/* ==========================================================================
   FORGE FITNESS CLUB - PREMIUM DESIGN SYSTEM
   A luxury fitness club template with bold athletic design
   Colors: Electric Orange (#f97316) + Deep Carbon (#09090b)
   Typography: Oswald (display) + Inter (body)
   ========================================================================== */

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

:root {
    /* Brand Colors - Electric Orange */
    --color-forge-50: #fff7ed;
    --color-forge-100: #ffedd5;
    --color-forge-200: #fed7aa;
    --color-forge-300: #fdba74;
    --color-forge-400: #fb923c;
    --color-forge-500: #f97316;
    --color-forge-600: #ea580c;
    --color-forge-700: #c2410c;
    --color-forge-800: #9a3412;
    --color-forge-900: #7c2d12;

    /* Neutral Colors - Carbon */
    --color-carbon-50: #fafafa;
    --color-carbon-100: #f4f4f5;
    --color-carbon-200: #e4e4e7;
    --color-carbon-300: #d4d4d8;
    --color-carbon-400: #a1a1aa;
    --color-carbon-500: #71717a;
    --color-carbon-600: #52525b;
    --color-carbon-700: #3f3f46;
    --color-carbon-800: #27272a;
    --color-carbon-900: #18181b;
    --color-carbon-950: #09090b;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #eab308;
    --color-error: #ef4444;

    /* Typography Scale */
    --text-hero: clamp(3.5rem, 10vw, 8rem);
    --text-display: clamp(2.5rem, 6vw, 5rem);
    --text-h1: clamp(2rem, 4vw, 3.5rem);
    --text-h2: clamp(1.75rem, 3vw, 2.5rem);
    --text-h3: clamp(1.25rem, 2vw, 1.75rem);
    --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: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Glow Effects */
    --glow-forge: 0 0 40px rgba(249, 115, 22, 0.3);
    --glow-forge-lg: 0 0 60px rgba(249, 115, 22, 0.4);
    --glow-forge-xl: 0 0 100px rgba(249, 115, 22, 0.5);

    /* 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(0.16, 1, 0.3, 1);
    --transition-bounce: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: var(--text-body);
    line-height: 1.6;
    color: var(--color-carbon-100);
    background-color: var(--color-carbon-950);
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: var(--color-forge-500);
    color: white;
}

/* Focus States */
:focus-visible {
    outline: 2px solid var(--color-forge-500);
    outline-offset: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-carbon-900);
}

::-webkit-scrollbar-thumb {
    background: var(--color-carbon-700);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-forge-500);
}

/* ==========================================================================
   SCREEN READER ONLY
   ========================================================================== */

.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: var(--space-4);
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

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

.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(9, 9, 11, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(249, 115, 22, 0.1);
    transition: all var(--transition-base);
}

.nav-container.scrolled {
    background: rgba(9, 9, 11, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--color-carbon-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-forge-500), var(--color-forge-400));
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: white;
}

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

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--color-carbon-700);
    border-radius: var(--radius-lg);
    color: var(--color-carbon-400);
    cursor: pointer;
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    background: var(--color-carbon-800);
    border-color: var(--color-forge-500);
    color: white;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(9, 9, 11, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-carbon-800);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

@media (max-width: 1023px) {
    .mobile-menu {
        display: block;
    }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--color-forge-500);
    color: white;
    font-size: var(--text-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--glow-forge);
}

.btn-primary:hover {
    background: var(--color-forge-600);
    transform: translateY(-2px);
    box-shadow: var(--glow-forge-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: transparent;
    color: white;
    font-size: var(--text-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: 1px solid var(--color-carbon-600);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--color-carbon-800);
    border-color: var(--color-forge-500);
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: var(--color-forge-500);
    color: white;
    font-size: var(--text-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: 2px solid var(--color-forge-500);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--glow-forge-lg);
}

.btn-hero-primary:hover {
    background: var(--color-forge-600);
    border-color: var(--color-forge-600);
    transform: translateY(-4px);
    box-shadow: var(--glow-forge-xl);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: white;
    font-size: var(--text-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: 2px solid var(--color-carbon-600);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(9, 9, 11, 0.95) 0%,
        rgba(9, 9, 11, 0.8) 40%,
        rgba(9, 9, 11, 0.9) 100%
    );
}

.hero-geometric {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.geo-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--color-forge-500), transparent);
    opacity: 0.1;
}

.geo-line-1 {
    top: 20%;
    left: 0;
    right: 0;
    height: 1px;
    transform: rotate(-5deg);
}

.geo-line-2 {
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    transform: rotate(3deg);
}

.geo-line-3 {
    top: 80%;
    left: 0;
    right: 0;
    height: 1px;
    transform: rotate(-2deg);
}

.hero-glow {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) translateX(-50%); }
    50% { transform: translateY(-10px) translateX(-50%); }
}

/* Stats */
.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-forge-500);
    line-height: 1;
    text-shadow: var(--glow-forge);
}

.stat-suffix {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--color-forge-400);
    margin-left: 2px;
}

.stat-label {
    font-size: var(--text-small);
    color: var(--color-carbon-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-2);
}

/* ==========================================================================
   SECTION STYLES
   ========================================================================== */

.section-label {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(249, 115, 22, 0.1);
    color: var(--color-forge-400);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.bg-grid-pattern {
    background-image:
        linear-gradient(rgba(249, 115, 22, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249, 115, 22, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

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

.feature-card {
    position: relative;
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--color-carbon-900) 0%, var(--color-carbon-950) 100%);
    border: 1px solid var(--color-carbon-800);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--color-forge-500), var(--color-forge-400));
    transition: height var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-forge-500);
    box-shadow: 0 20px 40px rgba(249, 115, 22, 0.1);
}

.feature-card:hover::before {
    height: 100%;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: rgba(249, 115, 22, 0.2);
    border-color: var(--color-forge-500);
    box-shadow: var(--glow-forge);
}

/* ==========================================================================
   CLASS CATEGORIES
   ========================================================================== */

.class-category {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-carbon-900);
    border: 1px solid var(--color-carbon-800);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.class-category:hover {
    border-color: var(--color-carbon-600);
    background: var(--color-carbon-800);
}

.class-category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.class-image-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.class-image-card img {
    transition: transform var(--transition-slow);
}

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

.class-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

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

.trainer-card {
    position: relative;
    background: var(--color-carbon-900);
    border: 1px solid var(--color-carbon-800);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.trainer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.trainer-image {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
}

.trainer-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: all var(--transition-slow);
}

.trainer-card:hover .trainer-image img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.trainer-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(9, 9, 11, 0.95) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.trainer-card:hover .trainer-overlay {
    opacity: 1;
}

.trainer-socials {
    display: flex;
    gap: var(--space-3);
}

.trainer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: white;
    transition: all var(--transition-base);
}

.trainer-socials a:hover {
    background: var(--color-forge-500);
    transform: translateY(-2px);
}

.trainer-info {
    padding: var(--space-6);
}

.trainer-specialty {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-forge-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

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

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-carbon-900);
    border: 2px solid var(--color-carbon-800);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card-featured {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, var(--color-carbon-900) 100%);
    border-color: var(--color-forge-500);
    box-shadow: var(--glow-forge);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: var(--color-forge-500);
    color: white;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    box-shadow: var(--glow-forge);
}

.pricing-header h3 {
    margin-bottom: var(--space-1);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    margin: var(--space-6) 0;
}

.pricing-currency {
    font-size: var(--text-h3);
    font-weight: 600;
    color: var(--color-carbon-400);
}

.pricing-amount {
    font-family: 'Oswald', sans-serif;
    font-size: var(--text-display);
    font-weight: 700;
    color: var(--color-forge-500);
    line-height: 1;
}

.pricing-period {
    font-size: var(--text-small);
    color: var(--color-carbon-400);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-carbon-800);
    color: var(--color-carbon-200);
    font-size: var(--text-small);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-cta {
    display: block;
    width: 100%;
    padding: var(--space-4);
    background: var(--color-carbon-800);
    color: white;
    font-size: var(--text-small);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.pricing-cta:hover {
    background: var(--color-carbon-700);
}

.pricing-cta-featured {
    background: var(--color-forge-500);
    box-shadow: var(--glow-forge);
}

.pricing-cta-featured:hover {
    background: var(--color-forge-600);
}

/* Billing Toggle */
.billing-toggle {
    position: relative;
    width: 60px;
    height: 32px;
    background: var(--color-carbon-800);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-base);
}

.billing-toggle.active {
    background: var(--color-forge-500);
}

.billing-toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-md);
}

.billing-toggle.active .billing-toggle-slider {
    transform: translateX(28px);
}

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

.facility-card {
    position: relative;
    background: var(--color-carbon-900);
    border: 1px solid var(--color-carbon-800);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.facility-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.facility-image {
    position: relative;
    aspect-ratio: 3/2;
    overflow: hidden;
}

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

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

.facility-content {
    padding: var(--space-6);
}

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

.testimonial-card {
    padding: var(--space-8);
    background: var(--color-carbon-900);
    border: 1px solid var(--color-carbon-800);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--color-carbon-700);
}

.testimonial-stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-quote {
    font-size: 1.125rem;
    color: var(--color-carbon-200);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

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

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-carbon-900);
    border: 1px solid var(--color-carbon-800);
    border-radius: var(--radius-lg);
    color: var(--color-carbon-400);
    transition: all var(--transition-base);
}

.footer-social:hover {
    background: var(--color-forge-500);
    border-color: var(--color-forge-500);
    color: white;
    transform: translateY(-2px);
}

.footer-link {
    color: var(--color-carbon-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--color-forge-500);
}

/* ==========================================================================
   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);
}

/* Stagger delays */
.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; }

/* ==========================================================================
   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 {
        opacity: 1;
        transform: none;
    }

    .hero-glow {
        animation: none;
    }
}

/* ==========================================================================
   LIGHT MODE (Optional)
   ========================================================================== */

html:not(.dark) body {
    background-color: var(--color-carbon-50);
    color: var(--color-carbon-900);
}

html:not(.dark) .nav-container {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: var(--color-carbon-200);
}

html:not(.dark) .nav-link {
    color: var(--color-carbon-600);
}

html:not(.dark) .nav-link:hover,
html:not(.dark) .nav-link.active {
    color: var(--color-carbon-900);
}

html:not(.dark) .feature-card,
html:not(.dark) .trainer-card,
html:not(.dark) .pricing-card,
html:not(.dark) .facility-card,
html:not(.dark) .testimonial-card {
    background: white;
    border-color: var(--color-carbon-200);
}

html:not(.dark) .mobile-menu {
    background: rgba(255, 255, 255, 0.98);
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */

@media (max-width: 768px) {
    .hero-section {
        min-height: 100svh;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }

    .stat-item {
        padding: var(--space-4);
    }

    .pricing-card {
        padding: var(--space-6);
    }
}

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

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

img {
    content-visibility: auto;
}

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

@media print {
    .nav-container,
    .mobile-menu,
    .theme-toggle,
    .footer-social,
    .scroll-indicator,
    .hero-glow,
    .hero-geometric {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

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