/* ==========================================================================
   FOODDASH - PREMIUM FOOD DELIVERY SAAS TEMPLATE
   Pulse-quality design system with glassmorphism and warm gradients
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {
    /* Brand Colors - Warm & Appetizing */
    --color-primary: #EF4444;
    --color-primary-dark: #DC2626;
    --color-primary-light: #F87171;
    --color-secondary: #F97316;
    --color-secondary-dark: #EA580C;
    --color-secondary-light: #FB923C;
    --color-accent: #FBBF24;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    /* Gradient Combinations */
    --gradient-primary: linear-gradient(135deg, #EF4444 0%, #F97316 100%);
    --gradient-warm: linear-gradient(135deg, #F97316 0%, #FBBF24 100%);
    --gradient-glow: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(249, 115, 22, 0.2) 100%);

    /* Neutral Colors - Light Mode */
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F9FAFB;
    --color-bg-tertiary: #F3F4F6;
    --color-text: #111827;
    --color-text-secondary: #6B7280;
    --color-text-tertiary: #9CA3AF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;

    /* Typography Scale */
    --text-hero: clamp(3rem, 8vw, 6rem);
    --text-display: clamp(2.5rem, 5vw, 4rem);
    --text-h1: clamp(2rem, 4vw, 3rem);
    --text-h2: clamp(1.5rem, 3vw, 2.25rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-h4: 1.125rem;
    --text-body: 1rem;
    --text-small: 0.875rem;
    --text-xs: 0.75rem;

    /* Spacing Scale (8px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 60px rgba(239, 68, 68, 0.3);
    --shadow-glow-lg: 0 0 100px rgba(239, 68, 68, 0.4);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #171717;
    --color-bg-tertiary: #262626;
    --color-text: #FFFFFF;
    --color-text-secondary: #D1D5DB;
    --color-text-tertiary: #9CA3AF;
    --color-border: #374151;
    --color-border-light: #262626;
    --glass-bg: rgba(23, 23, 23, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--text-body);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

::selection {
    background-color: var(--color-primary);
    color: white;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.text-hero {
    font-size: var(--text-hero);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.text-display {
    font-size: var(--text-display);
    line-height: 1.1;
    font-weight: 700;
}

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

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-lg {
    max-width: 1536px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

section {
    padding: var(--space-20) 0;
}

@media (min-width: 768px) {
    section {
        padding: var(--space-32) 0;
    }
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.navbar-menu {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-small);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.navbar-link:hover {
    color: var(--color-text);
}

.navbar-link.active {
    color: var(--color-primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

#theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

#theme-toggle:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-small);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text);
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-6);
    display: none;
    flex-direction: column;
    gap: var(--space-4);
}

.mobile-menu.active {
    display: flex;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0.1;
}

.hero-grid {
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.hero-content {
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: var(--text-hero);
    margin-bottom: var(--space-6);
}

.hero-description {
    font-size: var(--text-h4);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-visual {
    position: relative;
    z-index: 10;
}

.hero-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-mockup img {
    width: 100%;
    height: auto;
    filter: drop-shadow(var(--shadow-2xl));
}

/* Floating rings animation */
.pulse-ring {
    position: absolute;
    width: 400px;
    height: 400px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse-ring 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.pulse-ring:nth-child(2) {
    animation-delay: 1s;
}

.pulse-ring:nth-child(3) {
    animation-delay: 2s;
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-spring);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-spring);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.feature-card {
    text-align: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.feature-title {
    font-size: var(--text-h3);
    margin-bottom: var(--space-3);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Restaurant Card */
.restaurant-card {
    position: relative;
    overflow: hidden;
}

.restaurant-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

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

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

.restaurant-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-2) var(--space-3);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.restaurant-info {
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.restaurant-name {
    font-size: var(--text-h4);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.restaurant-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--text-small);
}

.rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-accent);
    font-weight: 600;
}

/* ==========================================================================
   PRICING SECTION
   ========================================================================== */

.pricing-grid {
    display: grid;
    gap: var(--space-8);
    margin-top: var(--space-16);
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    position: relative;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    transition: all var(--transition-spring);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-name {
    font-size: var(--text-h3);
    margin-bottom: var(--space-3);
}

.pricing-price {
    font-size: var(--text-display);
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.pricing-price span {
    font-size: var(--text-body);
    font-weight: 400;
    color: var(--color-text-secondary);
}

.pricing-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

.pricing-features svg {
    color: var(--color-success);
    flex-shrink: 0;
}

/* ==========================================================================
   ORDER TRACKING
   ========================================================================== */

.tracking-timeline {
    position: relative;
    padding-left: var(--space-12);
}

.tracking-step {
    position: relative;
    padding-bottom: var(--space-8);
}

.tracking-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 32px;
    width: 2px;
    height: calc(100% - 32px);
    background: var(--color-border);
}

.tracking-step.active:not(:last-child)::before {
    background: var(--gradient-primary);
}

.tracking-icon {
    position: absolute;
    left: -48px;
    top: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
}

.tracking-step.active .tracking-icon {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: white;
    animation: pulse-scale 2s ease-in-out infinite;
}

@keyframes pulse-scale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.tracking-content h4 {
    font-size: var(--text-h4);
    margin-bottom: var(--space-2);
}

.tracking-time {
    font-size: var(--text-small);
    color: var(--color-text-secondary);
}

/* ==========================================================================
   STATS SECTION
   ========================================================================== */

.stats-grid {
    display: grid;
    gap: var(--space-8);
    margin-top: var(--space-16);
}

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

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

.stat-card {
    text-align: center;
    padding: var(--space-8);
}

.stat-value {
    font-size: var(--text-display);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: var(--text-small);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

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

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
}

.footer-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.footer-column h4 {
    font-size: var(--text-body);
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-small);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    justify-content: space-between;
    color: var(--color-text-secondary);
    font-size: var(--text-small);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-blur {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-blur.active {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-glow);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-h1);
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--text-h4);
    color: var(--color-text-secondary);
}

.grid {
    display: grid;
    gap: var(--space-8);
}

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

@media (min-width: 768px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

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

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

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

.sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-blur {
        opacity: 1;
        transform: none;
        filter: none;
    }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    *,
    *::before,
    *::after {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    a,
    a:visited {
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }

    .navbar,
    footer,
    .btn,
    #theme-toggle {
        display: none !important;
    }
}

/* ==========================================================================
   PERFORMANCE OPTIMIZATIONS
   ========================================================================== */

section {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}

img {
    content-visibility: auto;
}