/* ==========================================================================
   SUMMIT 2024 - Premium Conference/Event Template
   Version: 3.0.0
   Author: SellWebsites
   Identity: Dynamic, Professional, Energetic
   Colors: Indigo + Pink + Cyan gradients
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    /* Primary - Indigo (Professional/Tech) */
    --color-primary-50: #eef2ff;
    --color-primary-100: #e0e7ff;
    --color-primary-200: #c7d2fe;
    --color-primary-300: #a5b4fc;
    --color-primary-400: #818cf8;
    --color-primary-500: #6366f1;
    --color-primary-600: #4f46e5;
    --color-primary-700: #4338ca;
    --color-primary-800: #3730a3;
    --color-primary-900: #312e81;

    /* Secondary - Pink (Energy/Excitement) */
    --color-secondary-50: #fdf2f8;
    --color-secondary-100: #fce7f3;
    --color-secondary-200: #fbcfe8;
    --color-secondary-300: #f9a8d4;
    --color-secondary-400: #f472b6;
    --color-secondary-500: #ec4899;
    --color-secondary-600: #db2777;
    --color-secondary-700: #be185d;
    --color-secondary-800: #9d174d;
    --color-secondary-900: #831843;

    /* Accent - Cyan (Innovation/Tech) */
    --color-accent-50: #ecfeff;
    --color-accent-100: #cffafe;
    --color-accent-200: #a5f3fc;
    --color-accent-300: #67e8f9;
    --color-accent-400: #22d3ee;
    --color-accent-500: #06b6d4;
    --color-accent-600: #0891b2;
    --color-accent-700: #0e7490;
    --color-accent-800: #155e75;
    --color-accent-900: #164e63;

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

    /* Light Mode */
    --color-background: #ffffff;
    --color-surface: #fafafa;
    --color-surface-elevated: #ffffff;
    --color-text-primary: #18181b;
    --color-text-secondary: #52525b;
    --color-text-tertiary: #a1a1aa;
    --color-border: #e4e4e7;
    --color-border-light: #f4f4f5;

    /* Typography Scale */
    --text-hero: clamp(3rem, 10vw, 6rem);
    --text-display: clamp(2.5rem, 6vw, 4.5rem);
    --text-h1: clamp(2rem, 4vw, 3rem);
    --text-h2: clamp(1.5rem, 3vw, 2.25rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-body: 1rem;
    --text-small: 0.875rem;
    --text-xs: 0.75rem;

    /* Typography */
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-sans: 'Inter', system-ui, sans-serif;

    /* Spacing */
    --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;
    --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-3xl: 2rem;
    --radius-full: 9999px;

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

    /* Glow Effects */
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.3);
    --shadow-glow-pink: 0 0 60px rgba(236, 72, 153, 0.3);
    --shadow-glow-cyan: 0 0 60px rgba(6, 182, 212, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-reveal: 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   DARK MODE
   ========================================================================== */

.dark {
    --color-background: #0a0a0b;
    --color-surface: #18181b;
    --color-surface-elevated: #27272a;
    --color-text-primary: #fafafa;
    --color-text-secondary: #d4d4d8;
    --color-text-tertiary: #71717a;
    --color-border: #27272a;
    --color-border-light: #18181b;

    /* Dark Mode Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

    /* Enhanced Glow for Dark Mode */
    --shadow-glow: 0 0 80px rgba(99, 102, 241, 0.4);
    --shadow-glow-pink: 0 0 80px rgba(236, 72, 153, 0.4);
    --shadow-glow-cyan: 0 0 80px rgba(6, 182, 212, 0.4);
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
}

.font-display {
    font-family: var(--font-display);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav-blur {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-link {
    position: relative;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   Gradient Backgrounds
   -------------------------------------------------------------------------- */
.gradient-bg {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #0f0f23 100%);
}

.gradient-mesh {
    background:
        radial-gradient(at 30% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 10%, rgba(236, 72, 153, 0.15) 0px, transparent 50%),
        radial-gradient(at 10% 80%, rgba(6, 182, 212, 0.15) 0px, transparent 50%);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --------------------------------------------------------------------------
   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-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; }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, #db2777 100%);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.4);
}

.btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-base);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

/* --------------------------------------------------------------------------
   Cards & Hover Effects
   -------------------------------------------------------------------------- */
.card-hover {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.dark .card-hover:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.speaker-card {
    transition: all var(--transition-base);
}

.speaker-card:hover {
    transform: translateY(-10px);
}

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

.speaker-image {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Countdown Timer
   -------------------------------------------------------------------------- */
.countdown-item {
    position: relative;
}

.countdown-number {
    font-family: var(--font-display);
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --------------------------------------------------------------------------
   Schedule Timeline
   -------------------------------------------------------------------------- */
.schedule-item {
    position: relative;
    padding-left: 2rem;
}

.schedule-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.schedule-item::after {
    content: '';
    position: absolute;
    left: -5px;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid white;
}

/* --------------------------------------------------------------------------
   Ticket Pricing
   -------------------------------------------------------------------------- */
.ticket-card {
    transition: all var(--transition-base);
}

.ticket-card:hover {
    transform: translateY(-10px);
}

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

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

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
input, textarea, select {
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dark input:focus, .dark textarea:focus, .dark select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

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

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.6); }
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 8s ease infinite;
}

/* --------------------------------------------------------------------------
   Selection & Scrollbar
   -------------------------------------------------------------------------- */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: inherit;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

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

/* --------------------------------------------------------------------------
   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;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    nav, footer, .no-print {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }
}

/* ==========================================================================
   UNIQUE: CONFERENCE/EVENT COMPONENTS
   ========================================================================== */

/* Event Badge/Pass */
.event-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-secondary-600));
    border-radius: var(--radius-2xl);
    color: white;
    position: relative;
    overflow: hidden;
}

.event-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--color-accent-400), var(--color-secondary-400), var(--color-primary-400));
}

.event-badge-type {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.event-badge-name {
    font-size: var(--text-h2);
    font-weight: 800;
    font-family: var(--font-display);
}

/* Live Indicator */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: #ef4444;
    border-radius: var(--radius-full);
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.live-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

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

/* Session Track Tags */
.track-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.track-keynote {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.track-workshop {
    background: var(--color-secondary-100);
    color: var(--color-secondary-700);
}

.track-panel {
    background: var(--color-accent-100);
    color: var(--color-accent-700);
}

.track-networking {
    background: var(--color-neutral-100);
    color: var(--color-neutral-700);
}

.dark .track-keynote {
    background: var(--color-primary-900);
    color: var(--color-primary-300);
}

.dark .track-workshop {
    background: var(--color-secondary-900);
    color: var(--color-secondary-300);
}

.dark .track-panel {
    background: var(--color-accent-900);
    color: var(--color-accent-300);
}

.dark .track-networking {
    background: var(--color-neutral-800);
    color: var(--color-neutral-300);
}

/* Venue Map Pin */
.venue-pin {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-primary-500);
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    color: white;
}

.venue-pin svg {
    transform: rotate(45deg);
}

.venue-pin::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: var(--color-primary-300);
    border-radius: 50%;
    opacity: 0.3;
}

/* Attendee Count Badge */
.attendee-count {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.attendee-avatars {
    display: flex;
}

.attendee-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-background);
    margin-left: -8px;
    overflow: hidden;
}

.attendee-avatar:first-child {
    margin-left: 0;
}

.attendee-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.attendee-more {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 600;
    margin-left: -8px;
}

.dark .attendee-count {
    background: var(--color-surface-elevated);
}

.dark .attendee-more {
    background: var(--color-primary-900);
    color: var(--color-primary-300);
}

/* Session Card */
.session-card {
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-bounce);
}

.session-card:hover {
    transform: translateX(8px);
    border-color: var(--color-primary-400);
    box-shadow: var(--shadow-lg);
}

.session-time {
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--color-primary-500);
    font-family: var(--font-display);
}

.session-title {
    font-size: var(--text-h3);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: var(--space-2) 0;
}

.session-speaker {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.session-speaker-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.dark .session-card {
    background: var(--color-surface);
    border-color: var(--color-border);
}

/* Sponsor Tier Cards */
.sponsor-tier {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--color-border);
}

.sponsor-tier.platinum {
    border-color: #e5e4e2;
    background: linear-gradient(135deg, #f5f5f5 0%, #e5e4e2 100%);
}

.sponsor-tier.gold {
    border-color: #ffd700;
    background: linear-gradient(135deg, #fff9e6 0%, #fff3cc 100%);
}

.sponsor-tier.silver {
    border-color: #c0c0c0;
    background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
}

.dark .sponsor-tier {
    background: var(--color-surface);
}

.dark .sponsor-tier.platinum {
    background: linear-gradient(135deg, var(--color-neutral-800) 0%, var(--color-neutral-700) 100%);
}

.dark .sponsor-tier.gold {
    background: linear-gradient(135deg, #3d3000 0%, #2d2400 100%);
}

/* Event Stats Counter */
.event-stat {
    text-align: center;
    padding: var(--space-8);
}

.event-stat-number {
    font-size: var(--text-display);
    font-weight: 800;
    font-family: var(--font-display);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.event-stat-label {
    font-size: var(--text-small);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-2);
}

/* Networking Card */
.networking-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.networking-card:hover {
    border-color: var(--color-accent-400);
    box-shadow: var(--shadow-glow-cyan);
}

.networking-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-accent-400), var(--color-accent-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.dark .networking-card {
    background: var(--color-surface);
}

/* Gradient Mesh Background for Events */
.gradient-mesh-event {
    background:
        radial-gradient(at 30% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 10%, rgba(236, 72, 153, 0.12) 0px, transparent 50%),
        radial-gradient(at 10% 80%, rgba(6, 182, 212, 0.12) 0px, transparent 50%),
        radial-gradient(at 90% 90%, rgba(99, 102, 241, 0.08) 0px, transparent 50%);
}

/* Text Gradient Event */
.text-gradient-event {
    background: linear-gradient(
        135deg,
        var(--color-primary-500) 0%,
        var(--color-secondary-500) 50%,
        var(--color-accent-500) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Confetti Animation */
@keyframes confetti-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    animation: confetti-fall 3s ease-in-out infinite;
}

/* Stage Light Effect */
@keyframes stage-light {
    0%, 100% {
        opacity: 0.3;
        transform: rotate(-15deg) scale(1);
    }
    50% {
        opacity: 0.5;
        transform: rotate(15deg) scale(1.1);
    }
}

.stage-light {
    position: absolute;
    width: 200px;
    height: 400px;
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.3) 0%, transparent 100%);
    clip-path: polygon(40% 0%, 60% 0%, 100% 100%, 0% 100%);
    animation: stage-light 4s ease-in-out infinite;
}

/* ==========================================================================
   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: 0;
}

:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

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

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

.animate-float,
.animate-pulse-glow,
.animate-gradient {
    transform: translateZ(0);
    will-change: transform;
}