/* Professional Design System - Enterprise Grade UI/UX */
:root {
    /* Color Palette - Blue */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-hover: #1d4ed8;
    
    /* Neutral Colors - Professional Grayscale */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Semantic Colors */
    --background: #ffffff;
    --surface: #ffffff;
    --surface-elevated: #fafafa;
    --text-primary: #000000;
    --text-secondary: #404040;
    --text-tertiary: #737373;
    --border: #e5e5e5;
    --border-strong: #d4d4d4;
    
    /* Footer */
    --footer-bg: #000000;
    --footer-text: #ffffff;
    --footer-text-muted: rgba(255, 255, 255, 0.7);
    
    /* Gradients - Blue */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.65) 0%, rgba(37, 99, 235, 0.75) 100%);
    --gradient-card-border: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    --gradient-soft: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.03) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.1) 100%);
    
    /* Professional Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius - Modern */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Typography - Professional */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Font Sizes - Professional Scale */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */
    --text-6xl: 3.75rem;    /* 60px */
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0em;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    
    /* Spacing Scale - Professional 8px grid */
    --space-0: 0;
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    
    /* Transitions - Smooth & Professional */
    --transition-all: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-colors: color 200ms cubic-bezier(0.4, 0, 0.2, 1), background-color 200ms cubic-bezier(0.4, 0, 0.2, 1), border-color 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-transform: transform 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-opacity: opacity 200ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --container-max: 1280px;
    --container-padding: 1.5rem;
    --section-padding-y: 6rem;
    --section-padding-y-sm: 4rem;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--text-primary);
    line-height: var(--leading-relaxed);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: var(--tracking-tight);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-colors);
}

a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

ul {
    list-style: none;
}

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

/* Ensure images are responsive */
.about-img img,
.feature-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Professional Typography System */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    letter-spacing: var(--tracking-tighter);
}

h1 {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    font-weight: var(--font-extrabold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
}

h2 {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: var(--leading-tight);
}

h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
}

h4 {
    font-size: clamp(var(--text-xl), 2.5vw, var(--text-2xl));
    font-weight: var(--font-semibold);
    line-height: var(--leading-snug);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

strong {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

/* Layout Utilities */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.section-padding {
    padding: var(--section-padding-y) 0;
}

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

/* Professional Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-all);
    border: none;
    gap: var(--space-2);
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--black);
    color: var(--white);
    border: 2px solid var(--black);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}


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

/* Prize Pool Responsive Styles */
.prize-table-desktop {
    display: block;
}

.prize-cards-mobile {
    display: none;
}

.prize-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-6);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition-all);
}

.prize-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.prize-card-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

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

.prize-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border);
}

.prize-item:last-of-type {
    border-bottom: none;
}

.prize-label {
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.prize-amount {
    color: var(--text-primary);
    font-weight: var(--font-semibold);
    font-size: var(--text-lg);
}

.prize-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) 0 0;
    margin-top: var(--space-4);
    border-top: 2px solid var(--primary);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
}

.prize-total span:first-child {
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
}

.prize-total span:last-child {
    color: var(--primary);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
}

@media (max-width: 768px) {
    .prize-table-desktop {
        display: none;
    }

    .prize-cards-mobile {
        display: block;
    }

    .prizes-section {
        padding: 2rem 1.5rem !important;
    }
}

/* Hide on mobile */
.hide-mobile {
    display: block;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Show only on mobile */
.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .show-mobile {
        display: block !important;
    }
}

/* Professional Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-all);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
    gap: var(--space-6);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-link {
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    position: relative;
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-4);
    transition: var(--transition-colors);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    height: 40px;
    line-height: 1;
}

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

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

.nav-link.active {
    color: var(--primary);
    font-weight: var(--font-semibold);
    background: rgba(37, 99, 235, 0.1);
}

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

/* Align button with nav links */
.nav-links .btn {
    margin-left: var(--space-2);
    height: 40px;
    padding: 0 var(--space-6);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Professional Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Desktop / laptop hero poster */
    background: url('image/Agilisium marathon poster banner 1920x1080.jpg');
    background-size: contain;           /* show full poster without cropping */
    background-position: center center; /* center the full image */
    background-repeat: no-repeat;
    background-attachment: scroll;      /* avoid awkward cropping on some devices */
    color: var(--white);
    text-align: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: transparent;
    z-index: 0;
}

/* Desktop Hero - Poster Only */
.hero-desktop {
    display: flex;
}

/* Mobile Hero - Image only */
.hero-mobile {
    display: none;
    background: url('image/mobile.jpg');
    background-size: contain;           /* show full mobile poster without cropping */
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: scroll;
}

.hero-mobile::before {
    /* No overlay on mobile hero – show only the image */
    background: transparent;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

/* Hero section with only poster - minimal content */
.hero .hero-content:empty {
    padding: 0;
    min-height: 0;
}

.hero-content * {
    color: var(--white);
}

.hero-content h1 {
    color: var(--white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--space-6);
}

.hero-content p {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    font-size: var(--text-xl);
    font-weight: var(--font-normal);
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-content h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--primary);
    margin: var(--space-6) auto;
    border-radius: var(--radius-sm);
}

.hero-content p {
    font-size: 1.25rem;
    color: white;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Professional About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    margin-top: var(--space-8);
}

.about-grid.reverse {
    direction: rtl;
}

.about-grid.reverse > * {
    direction: ltr;
}

.about-img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
    position: relative;
}

.about-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, transparent 100%);
    z-index: 1;
    opacity: 0;
    transition: var(--transition-opacity);
}

.about-img:hover::before {
    opacity: 1;
}

.about-img img {
    transition: var(--transition-transform);
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

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

.about-content h2 {
    margin-bottom: var(--space-6);
    font-size: var(--text-4xl);
}

.about-content p {
    margin-bottom: var(--space-5);
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Professional Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-8);
}

/* Professional Feature Cards */
.feature-card {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-all);
    text-align: center;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-card h3 {
    margin-top: var(--space-4);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    margin: 0;
}

.feature-icon {
    font-size: var(--text-4xl);
    color: var(--text-primary);
    padding: var(--space-5);
    background: var(--gray-50);
    border-radius: var(--radius-full);
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    transition: var(--transition-all);
    border: 2px solid var(--border);
}

.feature-card:hover .feature-icon {
    transform: scale(1.05) rotate(5deg);
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

/* Professional Forms */
.contact-form-container {
    background: var(--white);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--border);
    position: relative;
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl) 0 0 var(--radius-2xl);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    font-family: inherit;
    transition: var(--transition-all);
    font-size: var(--text-base);
    background: var(--white);
    color: var(--text-primary);
    line-height: var(--leading-normal);
}

.form-control:hover {
    border-color: var(--border-strong);
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    background: var(--white);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
    font-family: inherit;
    line-height: var(--leading-relaxed);
}

/* Section Dividers */
/* Professional Section Divider */
.section-divider {
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
    margin: var(--space-12) auto;
    border-radius: var(--radius-full);
    position: relative;
    max-width: 100px;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: var(--radius-full);
    border: 3px solid var(--white);
    box-shadow: var(--shadow-sm);
}

/* Professional Stats Section */
.stats-section {
    background: var(--black);
    color: var(--white);
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
    opacity: 1;
    z-index: 0;
}

.stats-section .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-12);
}

.stat-item {
    text-align: center;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-all);
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
    font-weight: var(--font-extrabold);
    color: var(--primary);
    display: block;
    margin-bottom: var(--space-3);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
}

.stat-label {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: var(--tracking-wide);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    font-size: var(--text-sm);
}

/* Professional Footer */
.footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: var(--space-20) 0 var(--space-10);
    position: relative;
    margin-top: var(--space-20);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--space-6);
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    letter-spacing: var(--tracking-tight);
}

.footer-col p {
    color: var(--footer-text-muted);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin: 0;
}

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

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

.footer-links a {
    color: var(--footer-text-muted);
    font-size: var(--text-sm);
    transition: var(--transition-colors);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(4px);
}

.footer-links i {
    color: var(--primary);
    width: 18px;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.copyright {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    color: var(--footer-text-muted);
    margin: 0;
    font-size: var(--text-sm);
}

/* Professional Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--text-xl);
    cursor: pointer;
    padding: var(--space-2);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    transition: var(--transition-colors);
    border-radius: var(--radius-md);
}

.mobile-menu-toggle:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.mobile-menu-toggle:hover {
    color: var(--primary);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Professional Responsive Design */

/* Large Desktop */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
}

/* Tablet and below */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-6);
    }

    .section-padding {
        padding: var(--space-16) 0;
    }

    h1 {
        font-size: var(--text-4xl);
    }

    h2 {
        font-size: var(--text-3xl);
    }

    .hero-content h1 {
        font-size: var(--text-4xl);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .about-grid {
        gap: var(--space-12);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile and Tablet */
@media (max-width: 768px) {
    /* More Than a Marathon Section - Mobile */
    .purpose-content-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    
    .purpose-content-grid h2 {
        font-size: 2rem !important;
    }
    
    .purpose-content-grid [style*="padding: 2.5rem"] {
        padding: 1.5rem !important;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .hero {
        min-height: 90vh;
        padding-top: 70px;
        background-attachment: scroll;
    }

    /* Show mobile hero, hide desktop hero on mobile */
    .hero-desktop {
        display: none !important;
    }

    .hero-mobile {
        display: flex !important;
        /* Mobile-specific hero poster */
        background: url('image/mobile.jpg') !important;
        background-size: cover !important;
        background-position: center !important;
        background-attachment: scroll !important;
    }

    .hero-mobile::before {
        /* Keep mobile hero as a plain image */
        background: transparent !important;
    }

    header.hero {
        min-height: 40vh !important;
        padding-top: 70px;
    }

    header.hero .hero-content h1 {
        font-size: 2rem;
    }

    header.hero .hero-content p {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .hero-content {
        padding: 2rem 0;
    }

    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-content h1::after {
        width: 60px;
        margin: 1rem auto;
    }

    .hero-content p {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }

    .nav-container {
        height: 64px;
    }

    .logo img {
        height: 48px !important;
    }

    .nav-links {
        position: fixed;
        top: 64px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 64px);
        background: var(--white);
        flex-direction: column;
        padding: var(--space-8);
        box-shadow: var(--shadow-xl);
        transition: left 300ms cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin-bottom: var(--space-4);
        width: 100%;
    }

    .nav-link {
        font-size: var(--text-base);
        padding: var(--space-3) var(--space-4);
        display: block;
        width: 100%;
        border-radius: var(--radius-lg);
    }

    .nav-links .btn {
        width: 100%;
        text-align: center;
        padding: var(--space-4);
        margin-top: var(--space-4);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .details-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    .kit-categories {
        gap: 2rem;
    }

    .kit-category-header {
        padding: 1.25rem 1.5rem;
        font-size: 1.25rem;
    }

    .kit-category-header h3 {
        font-size: 1.25rem;
    }

    .kit-items-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
        padding: 1.5rem;
    }

    .kit-item {
        padding: 1.25rem;
    }

    .kit-item-image {
        width: 80px;
        height: 80px;
    }

    .kit-item-image i {
        font-size: 2.5rem !important;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form-container {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }

    .form-group[style*="grid-template-columns"] {
        display: block !important;
    }

    .form-group[style*="grid-template-columns"] > div {
        margin-bottom: 1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .section-padding {
        padding: var(--section-padding-y-sm) 0;
    }

    .section-divider {
        margin: 3rem 0;
    }

    .section-divider::before,
    .section-divider::after {
        display: none;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Hero section responsive fixes */
    .hero-content > div[style*="margin-top"] {
        margin-top: 2rem !important;
    }

    .hero-content > div[style*="display: flex"] {
        flex-direction: column;
        gap: 1rem !important;
    }

    .hero-content > div[style*="display: flex"] .btn {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .hero-content > div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
        margin-top: 2.5rem !important;
    }

    .hero-content > div[style*="display: flex"][style*="gap: 30px"] {
        flex-direction: column;
        gap: 1rem !important;
        font-size: 0.95rem !important;
    }

        .hero-content > div[style*="display: flex"][style*="gap: 30px"] span {
        width: 100%;
        text-align: center;
        padding: 0.5rem 1rem !important;
    }

    /* Hero badge responsive */
    .hero-content > div[style*="margin-bottom: 1rem"] span {
        font-size: 0.75rem !important;
        padding: 0.4rem 1rem !important;
    }

    /* Hero info cards responsive */
    .hero-content > div[style*="display: grid"][style*="grid-template-columns"] > div {
        padding: 1.5rem !important;
    }

    .hero-content > div[style*="display: grid"][style*="grid-template-columns"] h3 {
        font-size: 1rem !important;
    }

    .hero-content > div[style*="display: grid"][style*="grid-template-columns"] p {
        font-size: 1.4rem !important;
    }

    /* Prize cards already handled above */

    /* Text adjustments */
    p {
        font-size: 0.95rem;
    }

    .text-center {
        padding: 0 1rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    header.hero {
        min-height: 35vh !important;
    }

    header.hero .hero-content h1 {
        font-size: 1.75rem;
    }

    header.hero .hero-content p {
        font-size: 0.9rem;
    }

    /* Hero badge small mobile */
    .hero-content > div[style*="margin-bottom: 1rem"] span {
        font-size: 0.7rem !important;
        padding: 0.35rem 0.85rem !important;
        display: block;
        text-align: center;
    }

    /* Hero info cards small mobile */
    .hero-content > div[style*="display: grid"][style*="grid-template-columns"] > div {
        padding: 1.25rem !important;
    }

    .hero-content > div[style*="display: grid"][style*="grid-template-columns"] h3 {
        font-size: 0.95rem !important;
        margin-bottom: 0.75rem !important;
    }

    .hero-content > div[style*="display: grid"][style*="grid-template-columns"] p {
        font-size: 1.2rem !important;
    }

    .hero-content > div[style*="display: flex"][style*="gap: 30px"] {
        font-size: 0.85rem !important;
    }

    .container {
        padding: 0 0.75rem;
    }

    .section-padding {
        padding: 2rem 0;
    }

    .contact-form-container {
        padding: 1.5rem 1rem;
        margin: 0 0.5rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.85rem;
        width: 100%;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Touch-friendly form inputs */
    .form-control {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    select.form-control {
        padding-right: 2.5rem;
    }

    .hero-content > div[style*="display: flex"] .btn {
        max-width: 100%;
    }

    .nav-links {
        padding: 1.5rem;
    }

    /* Better touch targets */
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 0.5rem 0;
    }

    .footer-links a,
    .footer-links li {
        min-height: 32px;
        display: flex;
        align-items: center;
    }

    .prize-card {
        margin-bottom: 1.25rem;
    }

    .prize-card-header {
        padding: 1rem 1.25rem;
        font-size: 1rem;
    }

    .prize-card-body {
        padding: 1.25rem;
    }

    .prize-item {
        padding: 0.875rem 0;
    }

    .prize-amount {
        font-size: 1rem;
    }

    .prize-total {
        font-size: 1.1rem;
        padding: 1rem 0 0;
    }

    .prize-total span:last-child {
        font-size: 1.25rem;
    }

    .kit-items-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
        padding: 1.25rem;
    }

    .kit-category-header {
        padding: 1rem 1.25rem;
        font-size: 1.1rem;
    }

    .kit-category-header h3 {
        font-size: 1.1rem;
    }

    .kit-item {
        padding: 1rem;
    }

    .kit-item h4 {
        font-size: 1rem;
    }

    .kit-item p {
        font-size: 0.85rem;
        min-height: auto;
    }

    .section-divider {
        margin: 2rem 0;
    }

    .footer {
        padding: 3rem 0 1.5rem;
    }

    .copyright {
        padding-top: 1.5rem;
        font-size: 0.85rem;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
}

/* Landscape orientation adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 0 3rem;
    }

    .nav-links {
        height: calc(100vh - 70px);
        max-height: 500px;
    }
}

/* Participant Kit Showcase */
.kit-categories {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.kit-category {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: var(--space-8);
}

.kit-category-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-6) var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.kit-category-header h3 {
    margin: 0;
    color: var(--white);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.kit-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
    padding: var(--space-8);
}

.kit-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    transition: var(--transition-all);
    border: 1.5px solid var(--border);
    position: relative;
    overflow: hidden;
}

.kit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.kit-item:hover::before {
    transform: scaleX(1);
}

.kit-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
    background: var(--gray-50);
}

.kit-item-image {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-all);
    border: 2px solid var(--border);
}

.kit-item-image i {
    color: var(--text-primary) !important;
    font-size: var(--text-4xl) !important;
}

.kit-item:hover .kit-item-image {
    background: var(--gradient-primary);
    transform: scale(1.08) rotate(5deg);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.kit-item:hover .kit-item-image i {
    color: var(--white) !important;
}

.kit-item h4 {
    color: var(--text-primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
    font-weight: var(--font-semibold);
}

.kit-item p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.kit-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    box-shadow: var(--shadow-sm);
}

/* Sponsors Section */
.sponsors-section {
    background: linear-gradient(to bottom, #fafafa 0%, #ffffff 100%);
    padding: var(--space-20) 0;
    position: relative;
}

.sponsors-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.sponsors-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.sponsors-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
}

.sponsors-header p {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    align-items: center;
    justify-items: center;
}

.sponsor-item {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition-all);
    width: 100%;
    max-width: 300px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.sponsor-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sponsor-item:hover::before {
    transform: scaleX(1);
}

.sponsor-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.sponsor-item img {
    max-width: 100%;
    max-height: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: var(--transition-all);
}

.sponsor-item:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-6);
    }
    
    .sponsor-item {
        height: 160px;
        padding: var(--space-6);
    }
    
    .sponsor-item img {
        max-height: 100px;
    }
}

/* Print styles */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .btn,
    .footer {
        display: none;
    }

    .hero {
        min-height: auto;
        background-attachment: scroll;
    }
    .section-padding {
        padding: 2rem 0;
    }
    
    /* Mobile adjustments for new designs */
    .stagger-item {
        animation-delay: 0s !important;
    }
    
    /* Responsive timeline */
    @media (max-width: 768px) {
        .details-grid {
            grid-template-columns: 1fr !important;
        }
        
        /* Timeline becomes vertical on mobile */
        [style*="left: 50%"] {
            left: 2rem !important;
            transform: none !important;
        }
        
        [style*="width: 48%"] {
            width: calc(100% - 4rem) !important;
            margin-left: 4rem !important;
            margin-right: 0 !important;
        }
    }
}

/* Sponsor image hover effect */
.sponsors-section img {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.sponsors-section .hover-lift:hover img {
    filter: grayscale(0%) !important;
    transform: scale(1.1);
}

/* Challenge Cards */
.challenge-card {
    transition: all 0.3s ease;
}

.challenge-card button:hover {
    background: var(--primary-dark) !important;
}

.challenge-card button[style*="#e5e7eb"]:hover {
    background: var(--primary) !important;
    color: white !important;
}

/* Responsive grids for inline sections on home page */
.event-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.kids-trophies-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.challenge-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* What's Included grid */
.whats-included-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Venue stats small grid */
.venue-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Prize money grid */
.prize-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

@media (max-width: 1024px) {
    .event-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .whats-included-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .kids-trophies-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .whats-included-grid {
        grid-template-columns: 1fr;
    }

    .venue-stats-grid {
        grid-template-columns: 1fr;
    }

    .prize-grid {
        grid-template-columns: 1fr;
    }
}