/* Base */

:root {
    --color-background: #ffffff;
    --color-surface: #f7f7f7;
    --color-surface-alt: #0f0f0f;
    --color-text: #111111;
    --color-text-muted: #666666;
    --color-text-inverse: #ffffff;
    --color-border: #e5e5e5;
    --color-primary: #111111;
    --color-primary-hover: #333333;
    --color-accent: #2b7a4c;
    --color-accent-light: #e8f5ec;
    --color-error: #c92a2a;
    --color-error-bg: #fff5f5;
    --color-success: #2b7a4c;
    --color-success-bg: #e8f5ec;
    --color-sale: #c92a2a;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Menlo, Consolas, monospace;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);

    --transition-fast: 150ms ease-out;
    --transition-base: 200ms ease-out;
    --transition-slow: 300ms ease-out;

    --container-width: 1280px;
    --container-padding: 1.5rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Motion utilities */

@media (prefers-reduced-motion: no-preference) {
    .js .reveal {
        opacity: 0;
        transition: opacity 600ms cubic-bezier(0.22, 1, 0.36, 1),
                    transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
        will-change: opacity, transform;
    }

    .js .reveal.is-visible {
        opacity: 1;
        transform: none;
        will-change: auto;
    }

    .js .reveal-up {
        transform: translateY(28px);
    }

    .js .reveal-scale {
        transform: scale(0.96);
    }

    .js .reveal-left {
        transform: translateX(-28px);
    }

    .js .reveal-right {
        transform: translateX(28px);
    }

    .js .reveal-stagger > .reveal {
        transition-delay: calc(var(--reveal-index, 0) * 70ms);
    }

    .js .reveal-delay-1 { transition-delay: 80ms; }
    .js .reveal-delay-2 { transition-delay: 160ms; }
    .js .reveal-delay-3 { transition-delay: 240ms; }
    .js .reveal-delay-4 { transition-delay: 320ms; }
    .js .reveal-delay-5 { transition-delay: 400ms; }
    .js .reveal-delay-6 { transition-delay: 480ms; }
}

@media (prefers-reduced-motion: reduce) {
    .js .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Card components */

.card {
    position: relative;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 1.25rem;
    padding: var(--spacing-lg);
    overflow: hidden;
    transition: transform 200ms ease-out, box-shadow 200ms ease-out, border-color 200ms ease-out;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(43, 122, 76, 0.35), transparent);
    opacity: 0.7;
    transition: opacity 200ms ease-out, left 200ms ease-out, right 200ms ease-out;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
}

.card:hover::before {
    opacity: 1;
    left: 0.5rem;
    right: 0.5rem;
}

.card__icon {
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-surface) 0%, #ffffff 100%);
    border: 1px solid var(--color-border);
    border-radius: 0.875rem;
    font-weight: 800;
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.card__title {
    font-size: 0.9375rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 var(--spacing-xs);
}

.card__text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

.card--dark {
    background: linear-gradient(135deg, #1e1e1e 0%, #141414 100%);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.08);
}

.card--dark::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

.card--dark .card__text {
    color: rgba(255, 255, 255, 0.7);
}

.card--dark .card__icon {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.card--warning {
    background-color: #fffbf5;
    border-color: #f5e6d3;
}

.card--warning::before {
    background: linear-gradient(90deg, transparent, rgba(201, 42, 42, 0.3), transparent);
}

/* Typography */

.page-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 var(--spacing-md);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

/* Buttons */

.btn {
    --btn-shadow-color: rgba(17, 17, 17, 0.08);

    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    box-shadow: 0 1px 2px var(--btn-shadow-color), 0 0 0 0 transparent;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.12), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
    border-radius: inherit;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--btn-shadow-color), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.btn:hover:not(:disabled)::before {
    opacity: 1;
}

.btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 6px var(--btn-shadow-color);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(43, 122, 76, 0.25), 0 4px 12px var(--btn-shadow-color);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary {
    background: linear-gradient(135deg, #1a1a1a 0%, #111111 100%);
    color: var(--color-text-inverse);
    border-color: #1a1a1a;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    border-color: #2a2a2a;
}

.btn-secondary {
    background-color: var(--color-background);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-text);
    background-color: var(--color-surface);
}

.btn-large {
    padding: 1.0625rem 2.25rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.625rem 1.125rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: transparent;
    border-bottom: none;
}

.header-top {
    background-color: var(--color-surface-alt);
    color: var(--color-text-inverse);
    padding: var(--spacing-xs) 0;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.header-top-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.header-top-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-inverse);
    transition: opacity var(--transition-fast);
}

.header-top-link:hover {
    opacity: 0.8;
}

.header-top-icon svg {
    width: 0.875rem;
    height: 0.875rem;
}

.header-top-badge {
    display: none;
    color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 640px) {
    .header-top-badge {
        display: inline;
    }
}

.header-main {
    padding: 0.75rem 0;
    background-color: transparent;
}

.header-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--spacing-lg);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 800;
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.site-logo:hover {
    transform: scale(1.02);
}

.site-logo-img {
    height: 2.25rem;
    width: auto;
    display: block;
    border-radius: 50%;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: linear-gradient(135deg, #1a1a1a 0%, #111111 100%);
    color: var(--color-text-inverse);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 800;
}

.main-nav {
    display: none;
    justify-self: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast), transform var(--transition-fast);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-accent);
    transform: translateY(-1px);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    justify-self: end;
}

.header-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.header-action:hover {
    background-color: rgba(0, 0, 0, 0.04);
    transform: translateY(-1px);
}

.header-action:active {
    transform: translateY(0);
}

.header-action svg {
    width: 1.25rem;
    height: 1.25rem;
}

.cart-toggle {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 1.125rem;
    height: 1.125rem;
    padding: 0 0.25rem;
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

.hamburger {
    position: relative;
    display: block;
    width: 1.25rem;
    height: 2px;
    background-color: var(--color-text);
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast), top var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    top: 6px;
}

.mobile-menu {
    position: fixed;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 2000;
    padding: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.mobile-menu.is-open {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
}

.mobile-menu-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.mobile-menu-close:hover {
    background-color: var(--color-surface);
    transform: rotate(90deg);
}

.mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    font-size: 1.25rem;
    font-weight: 600;
    padding: var(--spacing-md) 0;
    display: block;
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transform: translateX(-1rem);
    transition: opacity var(--transition-base), transform var(--transition-base), color var(--transition-fast);
}

.mobile-menu.is-open .mobile-nav-link {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu.is-open .mobile-nav-list li:nth-child(1) .mobile-nav-link { transition-delay: 80ms; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(2) .mobile-nav-link { transition-delay: 140ms; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(3) .mobile-nav-link { transition-delay: 200ms; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(4) .mobile-nav-link { transition-delay: 260ms; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(5) .mobile-nav-link { transition-delay: 320ms; }
.mobile-menu.is-open .mobile-nav-list li:nth-child(6) .mobile-nav-link { transition-delay: 380ms; }

.mobile-nav-link:hover {
    color: var(--color-accent);
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }

    .main-nav {
        display: flex;
    }
}

@media (max-width: 1023px) {
    .header-action[aria-label="Search"] {
        display: none;
    }
}

@media (max-width: 767px) {
    .header-main {
        padding: 0.5rem 0;
    }

    .header-bar {
        margin: 0 0.75rem;
        padding: 0.5rem 0.75rem;
        border-radius: 0.75rem;
    }
}

/* Cart Drawer */

.cart-drawer {
    position: fixed;
    inset: 0;
    z-index: 3000;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.cart-drawer.is-open {
    pointer-events: auto;
    opacity: 1;
}

.cart-drawer-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: background-color var(--transition-base);
}

.cart-drawer.is-open .cart-drawer-overlay {
    background-color: rgba(0, 0, 0, 0.4);
}

.cart-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background-color: var(--color-background);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.cart-drawer.is-open .cart-drawer-panel {
    transform: translateX(0);
}

.cart-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.cart-drawer-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.cart-drawer-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
}

.cart-drawer-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg) var(--spacing-xl);
}

.cart-empty {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cart-empty-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.cart-items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.cart-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
}

.cart-item-image {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-surface);
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-name {
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.cart-item-price {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-sm);
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quantity-input {
    width: 60px;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.875rem;
}

.cart-remove-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.cart-remove-btn:hover {
    color: var(--color-error);
    background-color: var(--color-error-bg);
    transform: rotate(90deg);
}

.cart-drawer-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.cart-subtotal {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.cart-payment-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.payment-icon {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

/* Hero */

.home-hero {
    position: relative;
    padding-top: calc(var(--spacing-4xl) + var(--spacing-xl));
    padding-bottom: calc(var(--spacing-4xl) + var(--spacing-xl));
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.home-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    max-width: 400px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    pointer-events: none;
    opacity: 0.8;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 800;
    line-height: 1.05;
    margin: 0 0 var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto var(--spacing-xl);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }

    .hero-content {
        text-align: left;
        margin: 0;
    }

    .hero-description {
        margin-left: 0;
        margin-right: 0;
    }
}

@media (min-width: 1024px) {
    .hero-layout {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-4xl);
    }
}

/* Hero before/after card stack */

.hero-media-stack {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 500px;
    perspective: 1000px;
}

.hero-ba-card {
    position: absolute;
    width: 220px;
    height: 220px;
    aspect-ratio: 1 / 1;
    padding: 0;
    border: none;
    border-radius: 1.5rem;
    background-color: var(--color-background);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-slow), box-shadow var(--transition-slow), opacity var(--transition-base), filter var(--transition-base);
    will-change: transform, box-shadow;
}

.hero-ba-card--1 {
    transform: rotate(-6deg) translate(-44px, -122px);
    z-index: 1;
}

.hero-ba-card--2 {
    transform: rotate(4deg) translate(44px, 0);
    z-index: 2;
}

.hero-ba-card--3 {
    transform: rotate(-2deg) translate(-44px, 122px);
    z-index: 3;
}

.hero-ba-card__images {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
}

.hero-ba-card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-ba-card-img--before {
    clip-path: inset(0 50% 0 0);
}

.hero-ba-card-img--after {
    clip-path: inset(0 0 0 50%);
}

.hero-ba-card__label {
    position: absolute;
    bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(4px);
    color: var(--color-text);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: var(--radius-full);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    pointer-events: none;
}

.hero-ba-card__label--before {
    left: var(--spacing-sm);
}

.hero-ba-card__label--after {
    right: var(--spacing-sm);
}

.hero-media-stack:has(.hero-ba-card:hover) .hero-ba-card:not(:hover) {
    opacity: 0.72;
    filter: blur(1.5px);
}

.hero-ba-card:hover {
    transform: scale(1.12) rotate(0deg);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.18);
    z-index: 10;
}

.hero-ba-card:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(43, 122, 76, 0.35), 0 28px 70px rgba(0, 0, 0, 0.18);
}

@media (max-width: 640px) {
    .hero-media-stack {
        min-height: 400px;
    }

    .hero-ba-card {
        width: 180px;
        height: 180px;
    }

    .hero-ba-card--1 {
        transform: rotate(-6deg) translate(-36px, -100px);
    }

    .hero-ba-card--2 {
        transform: rotate(4deg) translate(36px, 0);
    }

    .hero-ba-card--3 {
        transform: rotate(-2deg) translate(-36px, 100px);
    }
}

@media (min-width: 1024px) {
    .hero-media-stack {
        min-height: 620px;
    }
}

/* Hero before/after modal */

.hero-ba-modal {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.hero-ba-modal.is-open {
    pointer-events: auto;
    opacity: 1;
}

.hero-ba-modal__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: background-color var(--transition-base);
}

.hero-ba-modal.is-open .hero-ba-modal__overlay {
    background-color: rgba(0, 0, 0, 0.65);
}

.hero-ba-modal__content {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: calc(100vh - var(--spacing-2xl));
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
    transform: scale(0.96);
    transition: transform var(--transition-slow);
    overflow: hidden;
}

.hero-ba-modal.is-open .hero-ba-modal__content {
    transform: scale(1);
}

.hero-ba-modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.hero-ba-modal__close:hover {
    background-color: var(--color-surface);
    transform: rotate(90deg);
}

.hero-ba-modal__close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(43, 122, 76, 0.35);
}

.hero-ba-modal__body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    max-height: calc(100vh - var(--spacing-2xl));
}

.hero-ba-modal__body .before-after-slider {
    border-radius: var(--radius-md);
    overflow: hidden;
}

@media (max-width: 640px) {
    .hero-ba-modal {
        padding: var(--spacing-md);
    }

    .hero-ba-modal__body {
        padding: var(--spacing-md);
    }
}

/* Sections */

.page-section {
    padding: calc(var(--spacing-4xl) + var(--spacing-md)) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.home-hero,
.purity-section,
.featured-products-section,
.location-section,
.before-after-section,
.reviews-section,
.faq-section {
    padding-top: calc(var(--spacing-4xl) + var(--spacing-xl));
    padding-bottom: calc(var(--spacing-4xl) + var(--spacing-xl));
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.purity-section,
.location-section,
.product-reviews,
.page-section--cart,
.page-section--catalog,
.page-section--collection {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.faq-section {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.featured-products-section,
.reviews-section {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

/* Purity */

.purity-section {
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.purity-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.purity-card {
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base);
    background-color: var(--color-background);
}

.purity-card:hover {
    border-color: transparent;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.purity-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-sm);
}

.purity-card p {
    color: var(--color-text-muted);
    margin: 0;
}

@media (min-width: 768px) {
    .purity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .purity-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Product Grid */

.featured-products-section {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.product-card {
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base);
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-card-image {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-surface);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: box-shadow var(--transition-base), border-radius var(--transition-fast);
}

.product-card:hover .product-card-image {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.product-badge--sold-out {
    background-color: var(--color-text);
    color: var(--color-text-inverse);
}

.product-badge--sale {
    background-color: var(--color-sale);
    color: var(--color-text-inverse);
}

.product-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-xs);
}

.product-card-title a:hover {
    color: var(--color-text-muted);
}

.product-card-category {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-sm);
}

.product-card-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.price {
    font-weight: 700;
}

.price--large {
    font-size: 1.5rem;
}

.compare-price {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.product-card-form {
    margin-top: auto;
}

/* Location */

.location-section {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.location-content {
    max-width: 560px;
}

.location-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.location-images img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}

@media (min-width: 1024px) {
    .location-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-4xl);
    }
}

/* Before / After Slider */

.before-after-section {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
    border-bottom: 1px solid var(--color-border);
}

.before-after-section .section-header {
    margin-bottom: var(--spacing-2xl);
}

.before-after-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-background);
    user-select: none;
    touch-action: none;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
}

.before-after-image {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.before-after-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.before-after-image--before {
    clip-path: inset(0 calc(100% - var(--reveal, 50%)) 0 0);
}

.before-after-label {
    position: absolute;
    bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.6);
    color: var(--color-text-inverse);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    pointer-events: none;
}

.before-after-label--before {
    left: var(--spacing-md);
}

.before-after-label--after {
    right: var(--spacing-md);
}

.before-after-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--reveal, 50%);
    width: 3rem;
    transform: translateX(-50%);
    background: transparent;
    border: none;
    cursor: ew-resize;
    padding: 0;
    z-index: 10;
}

.before-after-handle::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

.before-after-handle-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2.5rem;
    height: 2.5rem;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.before-after-handle-icon::before,
.before-after-handle-icon::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
}

.before-after-handle-icon::before {
    border-width: 6px 8px 6px 0;
    border-color: transparent var(--color-text) transparent transparent;
    margin-right: 3px;
}

.before-after-handle-icon::after {
    border-width: 6px 0 6px 8px;
    border-color: transparent transparent transparent var(--color-text);
    margin-left: 3px;
}

/* Reviews */

.reviews-section {
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.trustpilot-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.trustpilot-stars {
    color: #00b67a;
    letter-spacing: 0.1em;
}

.trustpilot-text {
    font-weight: 600;
    font-size: 0.9375rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.review-card {
    margin: 0;
    padding: var(--spacing-xl);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.review-stars {
    color: #00b67a;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.review-body {
    font-size: 1rem;
    margin: 0 0 var(--spacing-md);
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
}

.review-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    object-fit: cover;
}

@media (min-width: 768px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* FAQ */

.faq-section {
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item,
.product-faq-item {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item:hover,
.product-faq-item:hover {
    border-color: var(--color-text-muted);
}

.faq-item[open],
.product-faq-item[open] {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.faq-question,
.product-faq-item summary {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: background-color var(--transition-fast);
}

.faq-question:hover,
.product-faq-item summary:hover {
    background-color: var(--color-surface);
}

.faq-question::-webkit-details-marker,
.product-faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-question::after,
.product-faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1;
    transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after,
.product-faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-answer,
.product-faq-answer {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-muted);
}

.faq-answer p,
.product-faq-answer p {
    margin: 0;
}

/* Footer */

.site-footer {
    background-color: var(--color-surface-alt);
    color: var(--color-text-inverse);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-mark {
    background-color: var(--color-text-inverse);
    color: var(--color-surface-alt);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    max-width: 320px;
    margin: 0;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-md);
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-text-inverse);
    transform: translateX(4px);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    background-color: transparent;
    color: var(--color-text-inverse);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.newsletter-input:hover,
.newsletter-input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    outline: none;
}

.newsletter-form .btn {
    flex-shrink: 0;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-legal {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-text-inverse);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 2fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* Catalog */

.catalog-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.catalog-filters {
    order: 1;
}

.catalog-products {
    order: 0;
}

.filter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-sm);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    cursor: pointer;
}

.filter-option input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

.filter-hint {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-sm);
}

.filter-label {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.filter-range {
    width: 100%;
    accent-color: var(--color-primary);
}

.filter-output {
    font-weight: 700;
    margin-top: var(--spacing-xs);
}

.filter-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-background);
    font-size: 0.9375rem;
}

.catalog-toolbar {
    margin-bottom: var(--spacing-xl);
}

.filter-form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

@media (min-width: 1024px) {
    .catalog-layout {
        grid-template-columns: 260px 1fr;
    }

    .catalog-filters {
        order: 0;
    }

    .catalog-products {
        order: 1;
    }
}

/* Product Page */

.product-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.product-main-image {
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--color-surface);
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-shipping-note {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 600;
    margin: 0 0 var(--spacing-md);
}

.product-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 800;
    margin: 0 0 var(--spacing-md);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.stars {
    color: #00b67a;
    letter-spacing: 0.1em;
}

.review-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.product-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.stock-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.stock-badge--sold-out {
    background-color: var(--color-error-bg);
    color: var(--color-error);
}

.product-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.product-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.product-trust {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-banner {
    text-align: center;
}

.trust-banner-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-md);
}

.trust-payment-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

@media (min-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr 1fr;
    }
}

/* Cart Page */

.cart-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.cart-items-wrapper {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.cart-items--page {
    gap: var(--spacing-xl);
}

.cart-summary {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: sticky;
    top: calc(var(--spacing-4xl) + 1rem);
}

.cart-summary-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-lg);
}

.cart-note {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

@media (min-width: 1024px) {
    .cart-layout {
        grid-template-columns: 2fr 1fr;
    }
}

/* Forms */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    background-color: var(--color-background);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.form-input:hover,
.form-textarea:hover {
    border-color: var(--color-text-muted);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.08);
    transform: translateY(-1px);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    display: block;
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.contact-form,
.verify-form {
    max-width: 560px;
    margin: 0 auto;
}

.verify-info {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.verify-info p {
    margin: 0 0 var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.verify-info ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: var(--color-text-muted);
}

.verify-info li {
    margin-bottom: var(--spacing-xs);
}

/* Alert */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.alert--success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.alert--error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
}

/* Empty State */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

/* Links Page */

.links-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.links-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.links-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-lg);
}

.links-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.links-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.links-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Policy Page */

.policy-content {
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.8;
}

.policy-content p {
    margin-bottom: var(--spacing-md);
}

/* Error Page */

.error-section {
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.error-title {
    font-size: clamp(4rem, 15vw, 10rem);
    font-weight: 800;
    line-height: 1;
    margin: 0 0 var(--spacing-md);
}

.error-message {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Utilities */

.section-link {
    font-weight: 600;
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.section-link:hover {
    color: var(--color-primary);
}

/* Motion & Scroll Animations */

@media (prefers-reduced-motion: no-preference) {
    .home-hero > .container,
    .purity-section .section-header,
    .purity-grid,
    .featured-products-section .section-header,
    .product-grid,
    .before-after-section .section-header,
    .before-after-slider,
    .reviews-section .section-header,
    .reviews-grid,
    .location-grid,
    .faq-section .section-header,
    .faq-list,
    .page-header,
    .catalog-layout,
    .contact-form,
    .verify-form,
    .links-grid,
    .cart-layout,
    .empty-state {
        opacity: 0;
        transform: translateY(1.5rem);
        animation: fade-slide-up 0.6s ease-out forwards;
    }

    .purity-grid > *,
    .product-grid > *,
    .reviews-grid > *,
    .faq-list > *,
    .links-grid > * {
        opacity: 0;
        transform: translateY(1rem);
        animation: fade-slide-up 0.5s ease-out forwards;
    }

    .purity-grid > *:nth-child(1) { animation-delay: 0ms; }
    .purity-grid > *:nth-child(2) { animation-delay: 80ms; }
    .purity-grid > *:nth-child(3) { animation-delay: 160ms; }
    .purity-grid > *:nth-child(4) { animation-delay: 240ms; }

    .product-grid > *:nth-child(1) { animation-delay: 0ms; }
    .product-grid > *:nth-child(2) { animation-delay: 60ms; }
    .product-grid > *:nth-child(3) { animation-delay: 120ms; }
    .product-grid > *:nth-child(4) { animation-delay: 180ms; }
    .product-grid > *:nth-child(5) { animation-delay: 240ms; }
    .product-grid > *:nth-child(6) { animation-delay: 300ms; }
    .product-grid > *:nth-child(7) { animation-delay: 360ms; }
    .product-grid > *:nth-child(8) { animation-delay: 420ms; }

    .reviews-grid > *:nth-child(1) { animation-delay: 0ms; }
    .reviews-grid > *:nth-child(2) { animation-delay: 80ms; }
    .reviews-grid > *:nth-child(3) { animation-delay: 160ms; }
    .reviews-grid > *:nth-child(4) { animation-delay: 240ms; }
    .reviews-grid > *:nth-child(5) { animation-delay: 320ms; }
    .reviews-grid > *:nth-child(6) { animation-delay: 400ms; }
    .reviews-grid > *:nth-child(7) { animation-delay: 480ms; }
    .reviews-grid > *:nth-child(8) { animation-delay: 560ms; }
    .reviews-grid > *:nth-child(9) { animation-delay: 640ms; }

    .faq-list > *:nth-child(1) { animation-delay: 0ms; }
    .faq-list > *:nth-child(2) { animation-delay: 60ms; }
    .faq-list > *:nth-child(3) { animation-delay: 120ms; }
    .faq-list > *:nth-child(4) { animation-delay: 180ms; }
    .faq-list > *:nth-child(5) { animation-delay: 240ms; }
    .faq-list > *:nth-child(6) { animation-delay: 300ms; }
    .faq-list > *:nth-child(7) { animation-delay: 360ms; }
    .faq-list > *:nth-child(8) { animation-delay: 420ms; }
    .faq-list > *:nth-child(9) { animation-delay: 480ms; }
    .faq-list > *:nth-child(10) { animation-delay: 540ms; }

    @keyframes fade-slide-up {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Header language toggle & circle action */

.lang-toggle {
    text-decoration: none;
}

.lang-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.lang-toggle:hover .lang-circle {
    transform: scale(1.1);
    background-color: var(--color-accent);
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: 0.25rem;
    gap: 0.125rem;
}

.lang-switch-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    transition: color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.lang-switch-btn.is-active {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.lang-switch-btn:hover:not(.is-active) {
    color: var(--color-text);
    background-color: rgba(0, 0, 0, 0.04);
}

.lang-switch--large .lang-switch-btn {
    min-width: 3rem;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
}

.header-action--circle {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.header-action--circle:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.mobile-lang-switch {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
}

/* Peptide Guides & About Us pages */

.guides-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #111111 100%);
    color: #fff;
    padding: calc(var(--spacing-4xl) + var(--spacing-xl)) 0 var(--spacing-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.guides-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.guides-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    max-width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    pointer-events: none;
}

.guides-hero-badge {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.08);
    color: var(--color-accent, #2b7a4c);
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.guides-hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.95;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    font-style: italic;
    margin: 0 0 var(--spacing-md);
}

.guides-hero-intro {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.7);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.6;
}

@media (prefers-reduced-motion: no-preference) {
    .guides-hero-badge {
        opacity: 0;
        transform: translateY(12px);
        animation: heroFadeIn 700ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
    }

    .guides-hero-title {
        opacity: 0;
        transform: translateY(20px);
        animation: heroFadeIn 700ms cubic-bezier(0.22, 1, 0.36, 1) 120ms forwards;
    }

    .guides-hero-intro {
        opacity: 0;
        transform: translateY(16px);
        animation: heroFadeIn 700ms cubic-bezier(0.22, 1, 0.36, 1) 240ms forwards;
    }
}

@keyframes heroFadeIn {
    to {
        opacity: 1;
        transform: none;
    }
}

.guides-section {
    padding: calc(var(--spacing-3xl) + var(--spacing-md)) 0;
}

.guides-section--white {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.guides-section--steps {
    background-color: var(--color-surface);
    position: relative;
}

.guides-section--warning {
    background: linear-gradient(180deg, #fff8f0 0%, #fff 100%);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.guides-section-header {
    margin-bottom: var(--spacing-xl);
}

.guides-section-header h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
}

.guides-section-header p {
    color: var(--color-text-muted);
    max-width: 640px;
    font-size: 1.0625rem;
}

.guides-package-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 640px) {
    .guides-package-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .guides-package-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.guides-package-card {
    text-align: center;
}

.guides-package-card .card__icon {
    margin-left: auto;
    margin-right: auto;
}

.guides-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.guides-overview-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.guides-overview-text p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: 1.0625rem;
}

.guides-step-badge {
    display: inline-flex;
    align-items: center;
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.875rem;
}

.guides-video-card {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.guides-video-card iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.guides-steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    position: relative;
}

.guides-step-card {
}

.guides-step-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.guides-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #1a1a1a 0%, #111111 100%);
    color: #fff;
    font-weight: 900;
    border-radius: 0.875rem;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.guides-step-label {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.guides-step-card h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.guides-step-card p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.guides-step-card ul,
.guides-step-card ol {
    margin: 0 0 var(--spacing-md) 1.25rem;
    color: var(--color-text-muted);
}

.guides-step-card li {
    margin-bottom: var(--spacing-xs);
}

.guides-example {
    background: linear-gradient(135deg, var(--color-surface) 0%, #ffffff 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.guides-example-label {
    font-size: 0.6875rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.guides-example-value {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

.guides-mini-title {
    font-size: 0.6875rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.guides-dose-list {
    list-style: none;
    margin-left: 0;
    padding: 0;
}

.guides-dose-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--spacing-xs);
}

.guides-dose-list li::before {
    content: '→';
    color: var(--color-primary);
    font-weight: 900;
}

.guides-tip {
    font-size: 0.8125rem;
    font-style: italic;
    color: var(--color-text-muted);
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-md);
}

.guides-injection-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.guides-injection-image img {
    width: 100%;
    height: auto;
    display: block;
}

.guides-safety {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-error);
    background-color: var(--color-error-bg);
    border: 1px solid rgba(201, 42, 42, 0.12);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
}

.guides-storage-block {
    background: linear-gradient(135deg, var(--color-surface) 0%, #ffffff 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.guides-storage-block h4 {
    font-size: 0.8125rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--spacing-xs);
}

.guides-mistake-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .guides-mistake-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .guides-mistake-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.guides-mistake-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.guides-mistake-card .card__icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: var(--color-error-bg);
    border-color: rgba(201, 42, 42, 0.15);
    color: var(--color-error);
    flex-shrink: 0;
    margin-bottom: 0;
}

.guides-mistake-card p {
    margin: 0;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.5;
}

.guides-cta {
    background: linear-gradient(135deg, #1a1a1a 0%, #111111 100%);
    color: #fff;
    text-align: center;
    padding: calc(var(--spacing-3xl) + var(--spacing-md)) 0;
    position: relative;
    overflow: hidden;
}

.guides-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(43, 122, 76, 0.12) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.guides-cta h2 {
    position: relative;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.guides-cta p {
    position: relative;
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--spacing-lg);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* About Us */

.about-hero {
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-background) 100%);
    padding: calc(var(--spacing-4xl) + var(--spacing-md)) 0 calc(var(--spacing-3xl) + var(--spacing-md));
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(43, 122, 76, 0.06) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.about-hero-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
}

.about-hero-content {
    max-width: 640px;
}

.about-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8125rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.about-eyebrow::before {
    content: '';
    width: 1.5rem;
    height: 2px;
    background-color: var(--color-accent);
}

.about-hero h1 {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
}

.about-hero p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.about-circle-logo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin: 0 auto;
    box-shadow: 0 24px 70px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.about-circle-logo img {
    width: 60%;
    height: auto;
    object-fit: contain;
}

.about-circle-logo--large {
    width: 280px;
    height: 280px;
}

.about-section {
    padding: calc(var(--spacing-3xl) + var(--spacing-md)) 0;
}

.about-section-title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about-pillars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 640px) {
    .about-pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .about-pillars-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.about-pillar-card {
}

.about-section--brand {
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-brand-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-brand-content h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.about-brand-content p {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.about-promise-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-promise-list li {
    position: relative;
    padding: var(--spacing-sm) 0 var(--spacing-sm) 2rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    border-bottom: 1px solid var(--color-border);
}

.about-promise-list li:last-child {
    border-bottom: none;
}

.about-promise-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
    width: 1.25rem;
    height: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: #fff;
    border-radius: 50%;
    font-size: 0.625rem;
    font-weight: 900;
}

.about-section--research {
    background: linear-gradient(135deg, var(--color-surface) 0%, #ffffff 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-section--research::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(43, 122, 76, 0.05) 0%, transparent 50%);
    border-radius: 50%;
    pointer-events: none;
}

.about-section--research h2 {
    position: relative;
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
}

.about-section--research p {
    position: relative;
    color: var(--color-text-muted);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-cta-section {
    background: linear-gradient(135deg, #1a1a1a 0%, #111111 100%);
    color: #fff;
    padding: calc(var(--spacing-3xl) + var(--spacing-md)) 0;
    position: relative;
    overflow: hidden;
}

.about-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(43, 122, 76, 0.12) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
}

.about-cta-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
}

.about-cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.about-cta-content p {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}

.about-contact-card {
    background-color: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 1.25rem;
    padding: var(--spacing-xl);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 200ms ease-out, background-color 200ms ease-out;
}

.about-contact-card:hover {
    transform: translateY(-4px);
    background-color: rgba(255,255,255,0.1);
}

.about-contact-card h4 {
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.6);
    margin-bottom: var(--spacing-xs);
}

.about-contact-card a {
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
    word-break: break-word;
    transition: color 200ms ease-out;
}

.about-contact-card a:hover {
    color: var(--color-accent);
}

.about-disclaimer {
    background-color: var(--color-surface);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.about-disclaimer h4 {
    font-size: 0.75rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.about-disclaimer p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 900px;
}

@media (min-width: 768px) {
    .guides-overview-body {
        grid-template-columns: 1fr 1fr;
    }

    .guides-steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-hero-layout,
    .about-brand-layout,
    .about-cta-layout {
        grid-template-columns: 1fr 1fr;
    }

    .about-circle-logo {
        width: 260px;
        height: 260px;
    }
}


/* Checkout */
.page-section--checkout {
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.checkout-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 900px) {
    .checkout-layout {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.checkout-form-wrapper {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.checkout-section {
    margin-bottom: 2rem;
}

.checkout-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.checkout-form .form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 600px) {
    .checkout-form .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.checkout-form .form-group {
    margin-bottom: 1rem;
}

.checkout-form .form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: #374151;
}

.checkout-form .form-input,
.checkout-form .form-textarea,
.checkout-form .form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: #fff;
    font-size: 1rem;
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.checkout-form .form-input:focus,
.checkout-form .form-textarea:focus,
.checkout-form .form-select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.checkout-auth-hint {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 0.5rem;
    padding: 0.875rem 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.checkout-auth-hint a {
    font-weight: 600;
    color: #2563eb;
}

.checkout-user {
    margin-bottom: 1.5rem;
    color: #4b5563;
}

.discount-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 600px) {
    .discount-row {
        grid-template-columns: 1fr 1fr;
    }
}

.discount-field {
    margin-bottom: 0;
}

.input-button-group {
    display: flex;
    gap: 0.5rem;
}

.input-button-group .form-input {
    flex: 1;
}

.input-button-group .btn {
    white-space: nowrap;
}

.discount-message {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    min-height: 1.35em;
}

.discount-message.is-success {
    color: #15803d;
}

.discount-message.is-error {
    color: #b91c1c;
}

.checkout-summary {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 1.5rem;
}

.checkout-summary-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.checkout-items {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.checkout-item {
    display: flex;
    gap: 0.875rem;
    align-items: flex-start;
    padding: 0.875rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.checkout-item-image {
    width: 64px;
    height: 64px;
    border-radius: 0.5rem;
    overflow: hidden;
    background: #f3f4f6;
    flex-shrink: 0;
}

.checkout-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.checkout-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.checkout-item-name {
    font-weight: 600;
    color: #111827;
}

.checkout-item-description {
    font-size: 0.8rem;
    color: #6b7280;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.checkout-item-meta {
    font-size: 0.85rem;
    color: #6b7280;
}

.checkout-item-price {
    font-weight: 600;
    color: #111827;
    white-space: nowrap;
}

.checkout-summary-rows {
    border-top: 1px solid #e5e7eb;
    padding-top: 1rem;
}

.checkout-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.checkout-summary-row--discount {
    color: #15803d;
}

.checkout-summary-row--total {
    font-size: 1.15rem;
    font-weight: 700;
    border-top: 1px solid #e5e7eb;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

/* Invoice */
.page-section--invoice {
    padding-top: 2.5rem;
    padding-bottom: 4rem;
}

.container--narrow {
    max-width: 720px;
}

.invoice-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

@media (min-width: 600px) {
    .invoice-card {
        padding: 2.5rem;
    }
}

.invoice-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.invoice-header .page-title {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.invoice-email {
    text-align: center;
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.invoice-amount {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0.5rem;
}

.invoice-unique-code {
    text-align: center;
    font-size: 0.9rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

.invoice-status {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    background: #fef3c7;
    color: #92400e;
    width: fit-content;
    text-align: center;
}

.invoice-status[data-status="paid"] {
    background: #d1fae5;
    color: #065f46;
}

.invoice-qr-card {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.invoice-qr-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}

.invoice-qr {
    max-width: 260px;
    margin: 0 auto 1rem;
    border-radius: 0.75rem;
    overflow: hidden;
    background: #fff;
    padding: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.invoice-qr img {
    width: 100%;
    height: auto;
    display: block;
}

.invoice-hint {
    font-size: 0.9rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

.invoice-message {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    min-height: 1.35em;
}

.invoice-confirm {
    margin-top: 0.75rem;
}

.invoice-details {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 1.5rem;
}

.invoice-details h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.invoice-items {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.invoice-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.invoice-item:last-child {
    border-bottom: none;
}

.invoice-item-name {
    font-weight: 500;
    color: #111827;
}

.invoice-item-qty {
    color: #6b7280;
    font-size: 0.9rem;
}

.invoice-item-price {
    font-weight: 600;
    color: #111827;
    white-space: nowrap;
}

.invoice-summary-rows {
    border-top: 1px solid #e5e7eb;
    padding-top: 1rem;
}

.invoice-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.invoice-summary-row--discount {
    color: #15803d;
}

.invoice-summary-row--total {
    font-size: 1.1rem;
    font-weight: 700;
    border-top: 1px solid #d1d5db;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

/* Invoice success & contact */
.invoice-success {
    background: #d1fae5;
    border: 1px solid #a7f3d0;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.invoice-success-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.invoice-success-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #065f46;
    margin-bottom: 0.25rem;
}

.invoice-success-text {
    color: #047857;
    margin: 0;
}

.invoice-contact {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.invoice-contact h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.invoice-contact-text {
    color: #6b7280;
    margin-bottom: 1rem;
}

.invoice-contact-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Account page */
.page-section--account {
    padding-top: 2.5rem;
    padding-bottom: 4rem;
}

.account-card,
.account-orders {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    margin-bottom: 1.5rem;
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.account-header .page-title {
    margin: 0;
    font-size: 1.5rem;
}

.account-info {
    display: grid;
    gap: 1rem;
}

.account-info .form-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.account-value {
    font-weight: 600;
    color: #111827;
    margin: 0;
}

.account-orders h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.account-empty {
    text-align: center;
    padding: 2rem 0;
    color: #6b7280;
}

.order-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.order-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    background: #f9fafb;
    flex-wrap: wrap;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.order-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.order-card-main {
    display: grid;
    gap: 0.35rem;
    flex: 1;
}

.order-card-row {
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
}

.order-card-label {
    font-size: 0.8rem;
    color: #6b7280;
    min-width: 100px;
}

.order-card-value {
    font-weight: 500;
    color: #111827;
}

.order-card-value--price {
    font-weight: 700;
}

.order-card-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.order-status-badge {
    display: inline-flex;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: capitalize;
    background: #fef3c7;
    color: #92400e;
}

.order-status-badge--paid {
    background: #d1fae5;
    color: #065f46;
}

.order-status-badge--pending {
    background: #fef3c7;
    color: #92400e;
}

/* Invoice shipping */
.invoice-shipping-card {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.invoice-shipping-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.invoice-shipping-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.invoice-shipping-label {
    color: #4b5563;
    font-size: 0.9rem;
}

.invoice-shipping-value {
    font-weight: 600;
    color: #111827;
}

.invoice-shipping-value--code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    letter-spacing: 0.03em;
}

.invoice-tracking-hint {
    font-size: 0.8rem;
    color: #6b7280;
    margin: 0.75rem 0 0;
}