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

:root {
    /* Corporate Color Palette */
    --background: #ffffff;
    --foreground: #1e293b;
    --card: #ffffff;
    --card-foreground: #1e293b;
    --primary: #1e40af;
    --primary-foreground: #ffffff;
    --secondary: #f8fafc;
    --secondary-foreground: #1e293b;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --accent: #0ea5e9;
    --accent-foreground: #ffffff;
    --destructive: #dc2626;
    --destructive-foreground: #ffffff;
    --border: #e2e8f0;
    --light-bg: #f8fafc;
    
    /* Typography */
    --font-size: 16px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 8px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    font-size: var(--font-size);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container and Layout */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.bg-muted {
    background-color: var(--light-bg);
}

.bg-primary {
    background: var(--primary);
    color: var(--primary-foreground);
}

.bg-accent {
    background: var(--accent);
    color: var(--accent-foreground);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--foreground);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    line-height: 1.3;
}

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

p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    color: var(--muted-foreground);
}

/* Text Colors */
.text-white {
    color: #ffffff;
}

.text-foreground {
    color: var(--foreground);
}

.text-primary {
    color: var(--primary);
}

.text-accent {
    color: var(--accent);
}

.text-muted {
    color: var(--muted-foreground);
}

.text-gradient-blue {
    background: linear-gradient(135deg, #1e40af 0%, #0ea5e9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-logo {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    font-size: 0.95rem;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--foreground);
    transition: var(--transition);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: var(--primary-foreground);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: #1e3a8a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

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

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

.btn-outline-light {
    border-color: #ffffff;
    color: #ffffff;
    background: transparent;
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 20px 44px;
    font-size: 1.2rem;
}

.btn-full {
    width: 100%;
}

.icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 50%, #0ea5e9 100%);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(30, 64, 175, 0.85);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(30, 58, 138, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 120px 0 80px;
}

.hero-text {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 2rem;
}

.hero-badge span {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.hero-title {
    margin-bottom: 2rem;
    color: #ffffff;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    max-width: 650px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* Section Headers */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.2rem;
    color: var(--muted-foreground);
    max-width: 650px;
    margin: 0 auto;
}

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

/* Cards */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-foreground);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
}

.module-card {
    position: relative;
}

.module-number {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.module-features {
    list-style: none;
    margin-top: 1.5rem;
}

.module-features li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--muted-foreground);
    border-bottom: 1px solid var(--border);
}

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

.module-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.input-athletic {
    width: 100%;
    padding: 14px 18px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--foreground);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.input-athletic:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.input-athletic::placeholder {
    color: var(--muted-foreground);
}

/* Footer */
.footer {
    background: var(--foreground);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    max-width: 350px;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--background);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid,
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .btn-lg,
    .btn-xl {
        padding: 14px 28px;
        font-size: 1rem;
    }
}