/* ========================================
   SMART DON ENTERTAINMENT - MASTER THEME
   Professional Entertainment & Training Brand
   ======================================== */

/* ---------- CSS CUSTOM PROPERTIES (THEME VARIABLES) ---------- */
:root {
    /* Primary Brand Colors */
    --sd-primary: #1a237e;
    --sd-primary-dark: #0f1558;
    --sd-primary-light: #283593;
    
    /* Secondary Brand Colors */
    --sd-secondary: #ff4081;
    --sd-secondary-dark: #f50057;
    --sd-secondary-light: #ff80ab;
    
    /* Accent Colors */
    --sd-accent: #00bcd4;
    --sd-accent-dark: #0097a7;
    --sd-accent-light: #4dd0e1;
    
    /* Neutral Colors */
    --sd-dark: #121212;
    --sd-gray-900: #1e1e1e;
    --sd-gray-800: #2d2d2d;
    --sd-gray-700: #424242;
    --sd-gray-600: #616161;
    --sd-gray-500: #9e9e9e;
    --sd-gray-400: #bdbdbd;
    --sd-gray-300: #e0e0e0;
    --sd-gray-200: #eeeeee;
    --sd-gray-100: #f5f5f5;
    --sd-light: #ffffff;
    
    /* Semantic Colors */
    --sd-success: #4caf50;
    --sd-warning: #ff9800;
    --sd-error: #f44336;
    --sd-info: #2196f3;
    
    /* Gradients */
    --sd-gradient-primary: linear-gradient(135deg, var(--sd-primary) 0%, var(--sd-primary-light) 100%);
    --sd-gradient-secondary: linear-gradient(135deg, var(--sd-secondary) 0%, var(--sd-secondary-dark) 100%);
    --sd-gradient-accent: linear-gradient(135deg, var(--sd-accent) 0%, var(--sd-accent-dark) 100%);
    --sd-gradient-dark: linear-gradient(135deg, var(--sd-dark) 0%, var(--sd-gray-900) 100%);
    
    /* Typography */
    --sd-font-primary: 'Segoe UI', 'Poppins', 'Inter', system-ui, -apple-system, sans-serif;
    --sd-font-heading: 'Poppins', 'Segoe UI', 'Inter', system-ui, sans-serif;
    --sd-font-mono: 'SF Mono', 'Fira Code', monospace;
    
    /* Spacing Scale (rem = 16px) */
    --sd-space-1: 0.25rem;
    --sd-space-2: 0.5rem;
    --sd-space-3: 0.75rem;
    --sd-space-4: 1rem;
    --sd-space-5: 1.25rem;
    --sd-space-6: 1.5rem;
    --sd-space-8: 2rem;
    --sd-space-10: 2.5rem;
    --sd-space-12: 3rem;
    --sd-space-16: 4rem;
    --sd-space-20: 5rem;
    --sd-space-24: 6rem;
    
    /* Shadows */
    --sd-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --sd-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --sd-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --sd-shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.15);
    --sd-shadow-2xl: 0 24px 48px rgba(0, 0, 0, 0.2);
    --sd-shadow-primary: 0 8px 20px rgba(26, 35, 126, 0.25);
    --sd-shadow-secondary: 0 8px 20px rgba(255, 64, 129, 0.25);
    
    /* Borders */
    --sd-border-radius-sm: 0.375rem;
    --sd-border-radius-md: 0.5rem;
    --sd-border-radius-lg: 0.75rem;
    --sd-border-radius-xl: 1rem;
    --sd-border-radius-2xl: 1.5rem;
    --sd-border-radius-full: 9999px;
    
    /* Transitions */
    --sd-transition-fast: 150ms ease;
    --sd-transition-base: 250ms ease;
    --sd-transition-slow: 350ms ease;
    --sd-transition-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Container Widths */
    --sd-container-sm: 640px;
    --sd-container-md: 768px;
    --sd-container-lg: 1024px;
    --sd-container-xl: 1280px;
    --sd-container-2xl: 1536px;
}

/* Dark Mode Theme Variables */
[data-theme="dark"] {
    --sd-light: #121212;
    --sd-dark: #ffffff;
    --sd-gray-100: #1e1e1e;
    --sd-gray-200: #2d2d2d;
    --sd-gray-300: #424242;
    --sd-gray-400: #616161;
    --sd-gray-500: #9e9e9e;
    --sd-gray-600: #bdbdbd;
    --sd-gray-700: #e0e0e0;
    --sd-gray-800: #eeeeee;
    --sd-gray-900: #f5f5f5;
    --sd-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --sd-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --sd-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ---------- RESET & BASE STYLES ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--sd-font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--sd-gray-800);
    background-color: var(--sd-light);
    overflow-x: hidden;
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sd-font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--sd-primary);
    margin-bottom: var(--sd-space-4);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
}

h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

h5 {
    font-size: 1.25rem;
    font-weight: 600;
}

h6 {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: var(--sd-space-4);
    color: var(--sd-gray-700);
}

 p {
     color: #fff;
}

footer p {
    color: #fff;
}

a {
    color: var(--sd-primary);
    text-decoration: none;
    transition: all var(--sd-transition-fast);
}

a:hover {
    color: var(--sd-secondary);
}

/* Text Utilities */
.text-primary { color: var(--sd-primary) !important; }
.text-secondary { color: var(--sd-secondary) !important; }
.text-accent { color: var(--sd-accent) !important; }
.text-light { color: var(--sd-light) !important; }
.text-dark { color: var(--sd-dark) !important; }
.text-gray { color: var(--sd-gray-600) !important; }
.text-muted { color: var(--sd-gray-500) !important; }
.text-gradient-primary { background: var(--sd-gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-gradient-secondary { background: var(--sd-gradient-secondary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-gradient-accent { background: var(--sd-gradient-accent); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Font Weights */
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Letter Spacing */
.tracking-tight { letter-spacing: -0.02em; }
.tracking-normal { letter-spacing: 0; }
.tracking-wide { letter-spacing: 0.02em; }
.tracking-wider { letter-spacing: 0.05em; }

/* Line Heights */
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

/* ---------- SECTION TITLES (SMART DON SIGNATURE) ---------- */
.section-title {
    position: relative;
    padding-bottom: var(--sd-space-4);
    margin-bottom: var(--sd-space-8);
    font-weight: 700;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--sd-gradient-secondary);
    border-radius: var(--sd-border-radius-full);
}

.section-title.text-center {
    display: block;
    text-align: center;
}

.section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-title.text-white {
    color: var(--sd-light);
}

.section-title.text-white::after {
    background: var(--sd-gradient-accent);
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sd-space-2);
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: none;
    border-radius: var(--sd-border-radius-full);
    cursor: pointer;
    transition: all var(--sd-transition-base);
    position: relative;
    overflow: hidden;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Button Variants */
.btn-primary {
    background: var(--sd-gradient-primary);
    color: var(--sd-light);
    box-shadow: var(--sd-shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(26, 35, 126, 0.35);
    color: var(--sd-light);
}

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

.btn-secondary {
    background: var(--sd-gradient-secondary);
    color: var(--sd-light);
    box-shadow: var(--sd-shadow-secondary);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(255, 64, 129, 0.35);
    color: var(--sd-light);
}

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

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

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

.btn-outline-secondary:hover {
    background: var(--sd-secondary);
    color: var(--sd-light);
}

.btn-accent {
    background: var(--sd-gradient-accent);
    color: var(--sd-light);
}

.btn-accent:hover {
    transform: translateY(-2px);
    color: var(--sd-light);
}

.btn-light {
    background: var(--sd-light);
    color: var(--sd-primary);
}

.btn-light:hover {
    background: var(--sd-gray-200);
    color: var(--sd-primary);
}

.btn-dark {
    background: var(--sd-dark);
    color: var(--sd-light);
}

.btn-dark:hover {
    background: var(--sd-gray-800);
    color: var(--sd-light);
}

/* Button with Pulse Animation */
.btn-pulse {
    animation: sd-pulse 2s infinite;
}

@keyframes sd-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 64, 129, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(255, 64, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 64, 129, 0);
    }
}

/* ---------- CARDS ---------- */
.card {
    background: var(--sd-light);
    border-radius: var(--sd-border-radius-xl);
    overflow: hidden;
    box-shadow: var(--sd-shadow-md);
    transition: all var(--sd-transition-base);
    border: none;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sd-shadow-xl);
}

.card-header {
    padding: var(--sd-space-6);
    border-bottom: 1px solid var(--sd-gray-200);
    background: transparent;
}

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

.card-footer {
    padding: var(--sd-space-6);
    border-top: 1px solid var(--sd-gray-200);
    background: transparent;
}

/* Service Card (Signature Style) */
.service-card {
    text-align: center;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--sd-gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--sd-transition-base);
}

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

.service-icon {
    font-size: 3rem;
    background: var(--sd-gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--sd-space-4);
    display: inline-block;
    transition: transform var(--sd-transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Academy Card */
.academy-card {
    background: var(--sd-light);
    border-left: 4px solid var(--sd-primary);
    padding: var(--sd-space-6);
    border-radius: 0 var(--sd-border-radius-lg) var(--sd-border-radius-lg) 0;
    box-shadow: var(--sd-shadow-sm);
    transition: all var(--sd-transition-base);
    cursor: pointer;
}

.academy-card:hover {
    transform: translateX(8px);
    border-left-color: var(--sd-secondary);
    box-shadow: var(--sd-shadow-md);
}

/* News Card */
.news-card {
    background: var(--sd-light);
    border-radius: var(--sd-border-radius-lg);
    padding: var(--sd-space-6);
    margin-bottom: var(--sd-space-6);
    box-shadow: var(--sd-shadow-sm);
    transition: all var(--sd-transition-base);
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sd-shadow-lg);
}

.news-date {
    font-size: 0.875rem;
    color: var(--sd-gray-500);
    margin-bottom: var(--sd-space-2);
    display: flex;
    align-items: center;
    gap: var(--sd-space-2);
}

/* ---------- FORMS ---------- */
.form-group {
    margin-bottom: var(--sd-space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--sd-space-2);
    font-weight: 500;
    color: var(--sd-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--sd-font-primary);
    color: var(--sd-gray-800);
    background-color: var(--sd-light);
    border: 1px solid var(--sd-gray-300);
    border-radius: var(--sd-border-radius-md);
    transition: all var(--sd-transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--sd-primary);
    box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
}

.form-input::placeholder {
    color: var(--sd-gray-400);
}

.form-error {
    color: var(--sd-error);
    font-size: 0.875rem;
    margin-top: var(--sd-space-1);
}

/* ---------- NAVIGATION ---------- */
.navbar {
    background: var(--sd-light);
    box-shadow: var(--sd-shadow-sm);
    padding: var(--sd-space-4) 0;
    transition: all var(--sd-transition-base);
}

.navbar-sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--sd-shadow-md);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--sd-gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.01em;
}

.nav-link {
    font-weight: 500;
    color: var(--sd-gray-700);
    padding: var(--sd-space-2) var(--sd-space-4);
    transition: all var(--sd-transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--sd-gradient-secondary);
    transition: width var(--sd-transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 30px;
}

/* ---------- HERO SECTION ---------- */
.hero {
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.8)), var(--sd-gradient-primary);
    background-size: cover;
    background-position: center;
    color: var(--sd-light);
    padding: var(--sd-space-20) 0;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--sd-light);
    margin-bottom: var(--sd-space-4);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--sd-gray-300);
    margin-bottom: var(--sd-space-8);
}

/* ---------- STATS SECTION ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--sd-space-8);
    text-align: center;
    padding: var(--sd-space-12) 0;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--sd-gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}

.stat-label {
    color: var(--sd-gray-600);
    font-weight: 500;
    margin-top: var(--sd-space-2);
}

/* ---------- COMPETITION SECTION (SIGNATURE) ---------- */
.competition-section {
    background: var(--sd-gradient-primary);
    color: var(--sd-light);
    border-radius: var(--sd-border-radius-xl);
    padding: var(--sd-space-12);
    position: relative;
    overflow: hidden;
}

.competition-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: sd-float-grid 20s linear infinite;
}

@keyframes sd-float-grid {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(-20px, -20px) rotate(360deg);
    }
}

.competition-content {
    position: relative;
    z-index: 1;
}

/* ---------- VIDEO THUMBNAIL ---------- */
.video-thumbnail {
    position: relative;
    border-radius: var(--sd-border-radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--sd-transition-base);
}

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

.video-thumbnail:hover {
    transform: scale(1.02);
}

.video-thumbnail:hover img {
    transform: scale(1.05);
}

.video-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    transition: background var(--sd-transition-base);
}

.video-thumbnail:hover::after {
    background: rgba(0, 188, 212, 0.2);
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
    z-index: 2;
    transition: transform var(--sd-transition-base);
}

.video-thumbnail:hover .video-play-icon {
    transform: translate(-50%, -50%) scale(1.1);
}

/* ---------- FOOTER (SMART DON SIGNATURE) ---------- */
.footer {
    background: var(--sd-dark);
    color: var(--sd-gray-400);
    padding: var(--sd-space-16) 0 var(--sd-space-8);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--sd-gradient-accent);
}

.footer h5,
.footer h6 {
    color: var(--sd-light);
    margin-bottom: var(--sd-space-6);
    position: relative;
    display: inline-block;
}

.footer h5::after,
.footer h6::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--sd-secondary);
}

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

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

.footer-links a {
    color: var(--sd-gray-400);
    transition: all var(--sd-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--sd-space-2);
}

.footer-links a:hover {
    color: var(--sd-accent);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: var(--sd-space-3);
    margin-top: var(--sd-space-6);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--sd-border-radius-full);
    color: var(--sd-light);
    transition: all var(--sd-transition-base);
}

.social-link:hover {
    background: var(--sd-gradient-secondary);
    transform: translateY(-3px);
}

/* ---------- SCROLLBAR (SMART DON SIGNATURE) ---------- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--sd-gray-200);
    border-radius: var(--sd-border-radius-full);
}

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

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

/* ---------- SCROLL PROGRESS BAR ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 9999;
}

.scroll-progress-bar {
    height: 3px;
    background: var(--sd-gradient-accent);
    width: 0%;
    transition: width 0.1s ease;
}

/* ---------- ANIMATIONS ---------- */
@keyframes sd-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes sd-fade-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes sd-fade-in-right {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes sd-zoom-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes sd-float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes sd-pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 188, 212, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 188, 212, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 188, 212, 0);
    }
}

/* Animation Classes */
.animate-fade-in {
    animation: sd-fade-in 0.6s ease forwards;
}

.animate-fade-in-left {
    animation: sd-fade-in-left 0.6s ease forwards;
}

.animate-fade-in-right {
    animation: sd-fade-in-right 0.6s ease forwards;
}

.animate-zoom-in {
    animation: sd-zoom-in 0.5s ease forwards;
}

.animate-float {
    animation: sd-float 3s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: sd-pulse-glow 2s infinite;
}

/* Animation Delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ---------- GRID & LAYOUT UTILITIES ---------- */
.container {
    width: 100%;
    max-width: var(--sd-container-xl);
    margin: 0 auto;
    padding: 0 var(--sd-space-6);
}

.container-sm { max-width: var(--sd-container-sm); }
.container-md { max-width: var(--sd-container-md); }
.container-lg { max-width: var(--sd-container-lg); }
.container-xl { max-width: var(--sd-container-xl); }

/* Flex Utilities */
.d-flex { display: flex; }
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.gap-1 { gap: var(--sd-space-1); }
.gap-2 { gap: var(--sd-space-2); }
.gap-3 { gap: var(--sd-space-3); }
.gap-4 { gap: var(--sd-space-4); }
.gap-5 { gap: var(--sd-space-5); }
.gap-6 { gap: var(--sd-space-6); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-1 { margin-top: var(--sd-space-1); }
.mt-2 { margin-top: var(--sd-space-2); }
.mt-3 { margin-top: var(--sd-space-3); }
.mt-4 { margin-top: var(--sd-space-4); }
.mt-5 { margin-top: var(--sd-space-5); }
.mt-6 { margin-top: var(--sd-space-6); }
.mb-1 { margin-bottom: var(--sd-space-1); }
.mb-2 { margin-bottom: var(--sd-space-2); }
.mb-3 { margin-bottom: var(--sd-space-3); }
.mb-4 { margin-bottom: var(--sd-space-4); }
.mb-5 { margin-bottom: var(--sd-space-5); }
.mb-6 { margin-bottom: var(--sd-space-6); }
.p-0 { padding: 0; }
.p-1 { padding: var(--sd-space-1); }
.p-2 { padding: var(--sd-space-2); }
.p-3 { padding: var(--sd-space-3); }
.p-4 { padding: var(--sd-space-4); }
.p-5 { padding: var(--sd-space-5); }
.p-6 { padding: var(--sd-space-6); }

/* ---------- RESPONSIVE BREAKPOINTS ---------- */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .container {
        padding: 0 var(--sd-space-4);
    }
    
    .competition-section {
        padding: var(--sd-space-6);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sd-space-6);
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn {
        padding: 0.5rem 1.25rem;
    }
}

/* ---------- PRINT STYLES ---------- */
@media print {
    .navbar,
    .footer,
    .btn,
    .scroll-progress {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    a {
        text-decoration: underline;
    }
}