/* HIT Coach Pro - Landing Page Styles */

:root {
    --emerald: #10b981;
    --neon-green: #22c55e;
    --dark-bg: #0a0a0a;
    --card-bg: #111111;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(16, 185, 129, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo {
    background: linear-gradient(135deg, var(--emerald), var(--neon-green));
    color: #000;
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 900;
    font-size: 14px;
}

.brand-name {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--emerald);
}

.btn-nav {
    background: var(--emerald);
    color: #000 !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--neon-green);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: 20px;
    flex-direction: column;
    gap: 15px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 10px;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--emerald), var(--neon-green));
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(16, 185, 129, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #0d1f17 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.highlight {
    color: var(--emerald);
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--emerald);
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Sections Common */
section {
    padding: 100px 0;
}

section h2 {
    font-size: clamp(28px, 4vw, 42px);
    text-align: center;
    margin-bottom: 20px;
}

.section-intro {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 50px;
}

/* About Section */
.about {
    background: var(--dark-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.about-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.about-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--emerald);
}

.about-card p {
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: linear-gradient(180deg, var(--dark-bg) 0%, #0d1f17 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Protocols Section */
.protocols {
    background: var(--dark-bg);
}

.protocol-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.protocol-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.protocol-card.featured {
    border-color: var(--emerald);
}

.protocol-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
}

.protocol-badge {
    background: var(--emerald);
    color: #000;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 15px;
}

.protocol-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.protocol-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.protocol-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

.protocol-features li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 14px;
}

.protocol-features li::before {
    content: '✓';
    color: var(--emerald);
    margin-right: 10px;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #0d1f17 0%, var(--dark-bg) 100%);
    text-align: center;
    padding: 80px 0;
}

.cta h2 {
    margin-bottom: 15px;
}

.cta p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Contact Section */
.contact {
    background: var(--dark-bg);
    padding: 80px 0;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--emerald);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.contact-link {
    color: var(--emerald);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.contact-link:hover {
    color: var(--neon-green);
}

/* Footer */
.footer {
    background: #050505;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--emerald);
}

.footer-copy p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-stats {
        gap: 30px;
    }

    section {
        padding: 60px 0;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        text-align: center;
    }
}