/* ==========================================================================
   SuplementosMujer - Premium Design System 2026
   Brand: Coral Active + Verde Salud + Beige Premium
   Typography: Fraunces (Display) + DM Sans (Body)
   Version: 2.0 Premium
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. DESIGN TOKENS (CSS Custom Properties)
   -------------------------------------------------------------------------- */
:root {
    /* Brand Colors */
    --color-primary: #F43F5E;
    --color-primary-dark: #E11D48;
    --color-primary-light: #FFF1F2;
    --color-accent: #059669;
    --color-accent-light: #ECFDF5;
    --color-secondary: #f97316;
    --color-secondary-light: #FFF7ED;

    /* Neutrals */
    --color-bg: #FAFAF9;
    --color-surface: #FFFFFF;
    --color-text: #1C1917;
    --color-text-secondary: #57534E;
    --color-text-muted: #A8A29E;
    --color-border: #E7E5E4;
    --color-border-light: #F5F5F4;

    /* Dark Surfaces */
    --color-dark: #0C0A09;
    --color-dark-surface: #1C1917;
    --color-dark-border: #292524;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #F43F5E 0%, #f97316 100%);
    --gradient-soft: linear-gradient(135deg, rgba(244, 63, 94, 0.06) 0%, rgba(249, 115, 22, 0.06) 100%);
    --gradient-hero: linear-gradient(160deg, #F43F5E 0%, #FB923C 50%, #059669 100%);

    /* Typography */
    --font-display: 'Fraunces', 'Georgia', serif;
    --font-body: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing (8px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows (Elevation system) */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-brand: 0 8px 32px rgba(244, 63, 94, 0.18);

    /* Transitions */
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 200ms;
    --duration-base: 300ms;
    --duration-slow: 500ms;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0C0A09;
        --color-surface: #1C1917;
        --color-text: #FAFAF9;
        --color-text-secondary: #D6D3D1;
        --color-text-muted: #78716C;
        --color-border: #292524;
        --color-border-light: #1C1917;
        --color-primary-light: rgba(244, 63, 94, 0.15);
        --color-accent-light: rgba(5, 150, 105, 0.15);
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    }
}

/* --------------------------------------------------------------------------
   1. BASE / RESET
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    margin: 0;
    padding: 0;
    font-size: 17px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Headings use display font */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 4.5rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

/* --------------------------------------------------------------------------
   2. SKIP LINK (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: 700;
    z-index: 9999;
    transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
    top: var(--space-4);
    color: #fff;
}

/* --------------------------------------------------------------------------
   3. GRADIENT UTILITIES
   -------------------------------------------------------------------------- */
.gradient-primary {
    background: var(--gradient-primary);
}

.gradient-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-border {
    border-image: var(--gradient-primary) 1;
}

.gradient-bg-soft {
    background: var(--gradient-soft);
}

/* --------------------------------------------------------------------------
   4. TRANSITIONS & ANIMATIONS
   -------------------------------------------------------------------------- */
.smooth-transition {
    transition: all var(--duration-base) var(--ease-out);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
    animation: fadeInUp 600ms var(--ease-out) forwards;
}

/* Staggered animation for card groups */
.fade-in-up:nth-child(1) { animation-delay: 0ms; }
.fade-in-up:nth-child(2) { animation-delay: 80ms; }
.fade-in-up:nth-child(3) { animation-delay: 160ms; }
.fade-in-up:nth-child(4) { animation-delay: 240ms; }
.fade-in-up:nth-child(5) { animation-delay: 320ms; }
.fade-in-up:nth-child(6) { animation-delay: 400ms; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--duration-slow) var(--ease-out);
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.slide-in-left {
    animation: slideInLeft 600ms var(--ease-out);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.slide-in-right {
    animation: slideInRight 600ms var(--ease-out);
}

@keyframes pulse-soft {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.pulse-soft {
    animation: pulse-soft 3s ease-in-out infinite;
}

/* Counter animation */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Reading progress bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 100ms linear;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reading-progress { transition: none; }
}

/* --------------------------------------------------------------------------
   5. STICKY HEADER / NAVIGATION
   -------------------------------------------------------------------------- */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    background-color: rgba(255, 255, 255, 0.88);
    box-shadow: var(--shadow-xs);
    transition: box-shadow var(--duration-base) var(--ease-out),
                background-color var(--duration-base) var(--ease-out);
}

@media (prefers-color-scheme: dark) {
    .sticky-header {
        background-color: rgba(12, 10, 9, 0.88);
    }
}

.sticky-header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-link {
    position: relative;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--duration-base) var(--ease-out);
    text-decoration: none;
    padding: var(--space-2) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--duration-base) var(--ease-out);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active {
    font-weight: 600;
}

/* Mobile menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 400ms var(--ease-out);
    border-top: 1px solid var(--color-border-light);
}

.mobile-menu.open {
    max-height: 600px;
}

.mobile-menu-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
    text-decoration: none;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   6. BUTTONS
   -------------------------------------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: var(--gradient-primary);
    color: #ffffff;
    font-family: var(--font-body);
    font-weight: 700;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-out);
    font-size: 1rem;
    line-height: 1.5;
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand);
    color: #ffffff;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background-color: var(--color-surface);
    color: var(--color-primary);
    font-family: var(--font-body);
    font-weight: 700;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-primary);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-out);
    font-size: 1rem;
    line-height: 1.5;
    min-height: 48px;
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    color: var(--color-primary);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-outline-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    color: #ffffff;
    font-family: var(--font-body);
    font-weight: 700;
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.25);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-out);
    font-size: 1rem;
    line-height: 1.5;
    min-height: 48px;
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-hover {
    transition: all var(--duration-base) var(--ease-out);
}

.btn-hover:hover {
    transform: translateY(-2px);
}

.btn-hover:active {
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   7. CARD STYLES
   -------------------------------------------------------------------------- */
.card-hover {
    transition: all var(--duration-base) var(--ease-out);
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Silo / Category cards */
.silo-card {
    position: relative;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-base) var(--ease-out);
    overflow: hidden;
}

.silo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out);
}

.silo-card:hover::before {
    transform: scaleX(1);
}

.silo-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(244, 63, 94, 0.15);
}

/* Product cards */
.product-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-card .product-image {
    width: 100%;
    height: 220px;
    object-fit: contain;
    padding: var(--space-4);
    background-color: var(--color-bg);
    transition: transform var(--duration-base) var(--ease-out);
}

.product-card:hover .product-image {
    transform: scale(1.04);
}

.product-card .product-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-card .product-badge.badge-top {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.product-card .product-badge.badge-new {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
}

.product-card .product-badge.badge-sale {
    background-color: var(--color-secondary-light);
    color: var(--color-secondary);
}

.star-rating {
    color: #FBBF24;
    font-size: 0.875rem;
}

/* Blog post cards */
.blog-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-base) var(--ease-out);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.blog-card .blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.blog-card:hover .blog-image {
    transform: scale(1.04);
}

.blog-card .blog-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.feature-icon {
    transition: all 400ms var(--ease-spring);
}

.feature-icon:hover {
    transform: rotate(8deg) scale(1.1);
}

/* --------------------------------------------------------------------------
   8. TABLE STYLES
   -------------------------------------------------------------------------- */
.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    font-size: 0.9375rem;
}

.comparison-table thead th {
    background: var(--gradient-primary);
    color: #ffffff;
    font-weight: 600;
    padding: 1rem 1.25rem;
    text-align: left;
    white-space: nowrap;
    font-family: var(--font-body);
}

.comparison-table tbody td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:nth-child(even) {
    background-color: var(--color-bg);
}

.comparison-table tbody tr:hover {
    background-color: var(--color-primary-light);
}

.comparison-table .table-highlight {
    background-color: rgba(244, 63, 94, 0.04);
    font-weight: 600;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------------------
   9. BREADCRUMB
   -------------------------------------------------------------------------- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    list-style: none;
    margin: 0;
}

.breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb .breadcrumb-separator {
    color: var(--color-border);
}

.breadcrumb .breadcrumb-current {
    color: var(--color-primary);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   10. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-dark);
    color: #D6D3D1;
}

.site-footer a {
    color: #D6D3D1;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.site-footer a:hover {
    color: #FECDD3;
}

.footer-heading {
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 2.5rem;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link-list li a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9375rem;
}

.footer-link-list li a::before {
    content: '\f054';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.625rem;
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-dark-border);
    padding-top: var(--space-8);
    margin-top: var(--space-12);
}

.affiliate-disclosure {
    background-color: rgba(244, 63, 94, 0.06);
    border: 1px solid rgba(244, 63, 94, 0.12);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-6);
    font-size: 0.8125rem;
    color: #A8A29E;
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   11. NEWSLETTER
   -------------------------------------------------------------------------- */
.newsletter-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-family: var(--font-body);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
    outline: none;
}

.newsletter-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(244, 63, 94, 0.12);
}

/* --------------------------------------------------------------------------
   12. TRUST / AUTHORITY
   -------------------------------------------------------------------------- */
.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-6);
    transition: transform var(--duration-base) var(--ease-out);
}

.trust-badge:hover {
    transform: translateY(-4px);
}

.trust-badge .trust-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    background: var(--gradient-soft);
}

.trust-badge .trust-icon i {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --------------------------------------------------------------------------
   13. VISUALLY HIDDEN
   -------------------------------------------------------------------------- */
.sr-only,
.schema-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --------------------------------------------------------------------------
   14. MISCELLANEOUS
   -------------------------------------------------------------------------- */
.section-divider {
    width: 5rem;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin: 0 auto;
}

.announcement-bar {
    background: var(--gradient-primary);
    color: #ffffff;
    text-align: center;
    padding: var(--space-3) var(--space-4);
    font-size: 0.875rem;
    font-weight: 500;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-display);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-original {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

/* Pros / Cons */
.pros-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-accent);
    margin-right: var(--space-2);
}

.cons-list li::before {
    content: '\f00d';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: #EF4444;
    margin-right: var(--space-2);
}

.pros-list, .cons-list {
    list-style: none;
    padding: 0;
}

.pros-list li, .cons-list li {
    padding: var(--space-1) 0;
}

/* TOC */
.toc {
    background-color: var(--color-primary-light);
    border: 1px solid rgba(244, 63, 94, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-8);
}

.toc-title {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
    font-size: 1.125rem;
}

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

.toc-list li {
    padding: var(--space-1) 0;
}

.toc-list a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all var(--duration-fast) var(--ease-out);
}

.toc-list a:hover {
    color: var(--color-primary-dark);
    padding-left: var(--space-4);
}

/* Content visibility for performance */
section {
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

/* --------------------------------------------------------------------------
   15. FOCUS & ACCESSIBILITY
   -------------------------------------------------------------------------- */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}

button:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Touch targets */
@media (pointer: coarse) {
    .btn-primary, .btn-secondary, .btn-outline-white,
    .mobile-menu-link, .nav-link {
        min-height: 44px;
        min-width: 44px;
    }
}

/* --------------------------------------------------------------------------
   16. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .comparison-table {
        font-size: 0.8125rem;
    }

    .comparison-table thead th,
    .comparison-table tbody td {
        padding: 0.625rem 0.75rem;
    }

    .breadcrumb {
        font-size: 0.8125rem;
    }

    .footer-heading::after {
        width: 2rem;
    }
}

@media (max-width: 480px) {
    .btn-primary,
    .btn-secondary,
    .btn-outline-white {
        padding: 0.625rem 1.5rem;
        font-size: 0.9375rem;
    }
}

/* --------------------------------------------------------------------------
   17. PRINT STYLES
   -------------------------------------------------------------------------- */
@media print {
    .sticky-header, .announcement-bar, .mobile-menu,
    .newsletter-input, .btn-primary, .btn-secondary,
    .skip-link, .reading-progress { display: none; }
    body { font-size: 12pt; line-height: 1.5; color: #000; background: #fff; }
    a { color: #000; text-decoration: underline; }
}