/* ============================================
   Vertex Athletics - Landing Page Styles
   ============================================ */

:root {
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #0d1321;
    --color-bg-card: #141b2d;
    --color-accent: #00d4ff;
    --color-accent-light: #4de8ff;
    --color-accent-dark: #00a8cc;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a8b2d1;
    --color-text-muted: #64748b;
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 50%, var(--color-accent) 100%);
    --gradient-hero: radial-gradient(ellipse at top right, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at bottom left, rgba(0, 168, 204, 0.1) 0%, transparent 50%);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Oswald', 'Inter', sans-serif;
    --section-padding: 120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-primary); font-size: 16px; line-height: 1.6; color: var(--color-text-primary); background-color: var(--color-bg-primary); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 20px 0; background: rgba(10, 14, 26, 0.8); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(0, 212, 255, 0.1); }
.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: 2px; }
.logo-icon { width: 36px; height: 36px; color: var(--color-accent); }
.logo-icon svg { width: 100%; height: 100%; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link { padding: 10px 16px; font-size: 0.9rem; font-weight: 500; color: var(--color-text-secondary); border-radius: 6px; transition: 0.15s ease; }
.nav-link:hover { color: var(--color-text-primary); background: rgba(0, 212, 255, 0.1); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text-primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; font-family: var(--font-primary); font-size: 0.95rem; font-weight: 600; border-radius: 12px; border: none; cursor: pointer; transition: 0.3s ease; text-transform: uppercase; letter-spacing: 0.5px; }
.btn-primary { background: var(--gradient-accent); color: var(--color-bg-primary); box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5); }
.btn-outline { background: transparent; color: var(--color-text-primary); border: 1px solid rgba(0, 212, 255, 0.3); }
.btn-outline:hover { background: rgba(0, 212, 255, 0.1); border-color: var(--color-accent); }
.btn-light { background: var(--color-text-primary); color: var(--color-bg-primary); }
.btn-light:hover { background: var(--color-accent-light); }
.btn-large { padding: 16px 32px; font-size: 0.95rem; }
.btn-icon { width: 18px; height: 18px; }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 140px 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: var(--gradient-hero); pointer-events: none; }
.hero-grid { position: absolute; inset: 0; background-image: 
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px; pointer-events: none; }
.hero-container { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(0, 212, 255, 0.1); border: 1px solid rgba(0, 212, 255, 0.2); border-radius: 100px; font-size: 0.85rem; font-weight: 500; color: var(--color-accent); margin-bottom: 24px; text-transform: uppercase; letter-spacing: 1px; }
.badge-dot { width: 8px; height: 8px; background: var(--color-accent); border-radius: 50%; animation: pulse 2s infinite; box-shadow: 0 0 10px var(--color-accent); }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--color-accent); } 50% { opacity: 0.6; box-shadow: 0 0 20px var(--color-accent); } }
.hero-title { font-family: var(--font-display); font-size: clamp(3rem, 6vw, 5rem); font-weight: 700; line-height: 1.1; margin-bottom: 24px; text-transform: uppercase; letter-spacing: 2px; }
.text-gradient { display: block; background: var(--gradient-accent); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.3)); }
.hero-subtitle { font-size: 1.15rem; color: var(--color-text-secondary); max-width: 540px; margin-bottom: 32px; line-height: 1.7; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; }
.stat { display: flex; flex-direction: column; }
.stat-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--color-accent); text-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
.stat-label { font-size: 0.85rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Hero Visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-graphic { position: relative; width: 400px; height: 400px; }
.graphic-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(0, 212, 255, 0.2); }
.ring-1 { inset: 0; animation: rotate 20s linear infinite; }
.ring-2 { inset: 40px; border-color: rgba(0, 212, 255, 0.15); animation: rotate-reverse 15s linear infinite; }
.ring-3 { inset: 80px; border-color: rgba(0, 212, 255, 0.1); animation: rotate 25s linear infinite; }
.graphic-center { position: absolute; inset: 120px; display: flex; align-items: center; justify-content: center; background: var(--gradient-accent); border-radius: 50%; box-shadow: 0 0 60px rgba(0, 212, 255, 0.3); }
.graphic-center svg { width: 60px; height: 60px; color: var(--color-bg-primary); }
.graphic-pulse { position: absolute; inset: 100px; border-radius: 50%; border: 2px solid var(--color-accent); opacity: 0; animation: pulse-ring 3s ease-out infinite; }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes rotate-reverse { from { transform: rotate(360deg); } to { transform: rotate(0deg); } }
@keyframes pulse-ring { 0% { transform: scale(0.8); opacity: 0.8; } 100% { transform: scale(1.5); opacity: 0; } }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); }
.scroll-indicator { display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 2px; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--color-accent), transparent); animation: scroll-bounce 1.5s infinite; }
@keyframes scroll-bounce { 0%, 100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(10px); opacity: 0.5; } }

/* Section Headers */
.section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section-tag { display: inline-block; padding: 6px 14px; background: rgba(0, 212, 255, 0.1); border: 1px solid rgba(0, 212, 255, 0.2); border-radius: 100px; font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--color-accent); margin-bottom: 16px; }
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-secondary); }

/* Products Section */
.products { padding: var(--section-padding) 0; background: var(--color-bg-secondary); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: var(--color-bg-card); border: 1px solid rgba(0, 212, 255, 0.1); border-radius: 20px; overflow: hidden; transition: 0.3s ease; }
.product-card:hover { transform: translateY(-8px); border-color: rgba(0, 212, 255, 0.3); box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1); }
.product-card.featured { border-color: rgba(0, 212, 255, 0.3); background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, var(--color-bg-card) 100%); }
.product-image { height: 200px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 100%); border-bottom: 1px solid rgba(0, 212, 255, 0.1); }
.product-placeholder { width: 80px; height: 80px; color: var(--color-accent); opacity: 0.8; }
.product-placeholder svg { width: 100%; height: 100%; }
.product-content { padding: 32px; }
.product-badge { display: inline-block; padding: 4px 12px; background: var(--gradient-accent); color: var(--color-bg-primary); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; border-radius: 100px; margin-bottom: 12px; }
.product-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px; }
.product-desc { color: var(--color-text-secondary); margin-bottom: 20px; line-height: 1.7; font-size: 0.95rem; }
.product-features { display: flex; flex-direction: column; gap: 8px; }
.product-features li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--color-text-secondary); }
.product-features li::before { content: ''; width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; box-shadow: 0 0 8px var(--color-accent); }

/* Performance Section */
.performance { padding: var(--section-padding) 0; background: var(--color-bg-primary); position: relative; }
.performance::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent); }
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-card { padding: 40px; background: var(--color-bg-card); border: 1px solid rgba(0, 212, 255, 0.1); border-radius: 20px; transition: 0.3s ease; }
.feature-card:hover { background: #1a2340; border-color: rgba(0, 212, 255, 0.2); }
.feature-icon { width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; background: rgba(0, 212, 255, 0.1); border-radius: 16px; margin-bottom: 24px; color: var(--color-accent); }
.feature-icon svg { width: 32px; height: 32px; }
.feature-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px; }
.feature-desc { color: var(--color-text-secondary); line-height: 1.7; }

/* About Section */
.about { padding: var(--section-padding) 0; background: var(--color-bg-secondary); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-content .section-tag { margin-bottom: 16px; }
.about-content .section-title { margin-bottom: 24px; }
.about-text { color: var(--color-text-secondary); line-height: 1.8; margin-bottom: 20px; font-size: 1.05rem; }
.about-stats { display: flex; gap: 48px; margin-top: 40px; padding-top: 40px; border-top: 1px solid rgba(0, 212, 255, 0.1); }
.about-stat { display: flex; flex-direction: column; }
.about-stat-number { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--color-accent); }
.about-stat-label { font-size: 0.85rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; }
.about-visual { display: flex; justify-content: center; align-items: center; }
.about-graphic { position: relative; width: 300px; height: 300px; }
.about-ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(0, 212, 255, 0.2); animation: rotate 30s linear infinite; }
.about-ring::before { content: ''; position: absolute; inset: 20px; border-radius: 50%; border: 1px solid rgba(0, 212, 255, 0.1); animation: rotate-reverse 20s linear infinite; }
.about-center { position: absolute; inset: 60px; display: flex; align-items: center; justify-content: center; background: var(--gradient-accent); border-radius: 50%; box-shadow: 0 0 40px rgba(0, 212, 255, 0.2); }
.about-icon { font-family: var(--font-display); font-size: 4rem; font-weight: 700; color: var(--color-bg-primary); }

/* Testimonials / Partnership Section */
.testimonials { padding: var(--section-padding) 0; background: var(--color-bg-primary); position: relative; }
.testimonials::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent); }
.partnership-card { max-width: 900px; margin: 0 auto 80px; padding: 48px; background: var(--color-bg-card); border: 1px solid rgba(0, 212, 255, 0.2); border-radius: 28px; background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, var(--color-bg-card) 100%); }
.partnership-logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--color-accent); margin-bottom: 24px; }
.logo-lion { font-size: 2rem; }
.partnership-quote { font-size: 1.1rem; line-height: 1.8; color: var(--color-text-secondary); margin-bottom: 32px; font-style: italic; }
.partnership-author { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.author-avatar { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: var(--gradient-accent); color: var(--color-bg-primary); font-weight: 700; font-size: 0.9rem; border-radius: 50%; }
.author-name { display: block; font-weight: 600; color: var(--color-text-primary); }
.author-title { display: block; font-size: 0.9rem; color: var(--color-text-muted); }
.partnership-results { display: flex; gap: 48px; padding-top: 32px; border-top: 1px solid rgba(0, 212, 255, 0.1); }
.result-item { display: flex; flex-direction: column; }
.result-metric { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--color-accent); }
.result-label { font-size: 0.85rem; color: var(--color-text-muted); }
.client-logos { text-align: center; }
.logos-label { display: block; font-size: 0.85rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 32px; }
.logos-row { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.logo-placeholder { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--color-text-muted); opacity: 0.6; transition: 0.3s ease; letter-spacing: 1px; }
.logo-placeholder:hover { opacity: 1; color: var(--color-accent); }

/* CTA Section */
.cta { padding: var(--section-padding) 0; background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(13, 19, 33, 0.8) 100%); position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%); pointer-events: none; }
.cta-content { position: relative; max-width: 700px; margin: 0 auto; text-align: center; }
.cta-title { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 2px; }
.cta-subtitle { font-size: 1.15rem; color: var(--color-text-secondary); margin-bottom: 32px; }
.cta-features { display: flex; justify-content: center; gap: 32px; margin-bottom: 40px; flex-wrap: wrap; }
.cta-feature { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; color: var(--color-text-secondary); }
.cta-feature svg { width: 20px; height: 20px; color: var(--color-accent); }
.btn-cta { margin-bottom: 20px; }
.cta-note { font-size: 0.85rem; color: var(--color-text-muted); }

/* Footer */
.footer { padding: 80px 0 32px; background: var(--color-bg-secondary); border-top: 1px solid rgba(0, 212, 255, 0.1); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 64px; }
.footer-logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 2px; }
.logo-icon-small { width: 32px; height: 32px; color: var(--color-accent); }
.logo-icon-small svg { width: 100%; height: 100%; }
.footer-tagline { font-family: var(--font-display); font-size: 1rem; color: var(--color-accent); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.footer-desc { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; max-width: 320px; }
.footer-heading { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; color: var(--color-text-primary); }
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.9rem; color: var(--color-text-secondary); transition: 0.15s ease; }
.footer-links a:hover { color: var(--color-accent); }
.footer-email { display: block; font-size: 0.95rem; color: var(--color-accent); margin-bottom: 20px; transition: 0.15s ease; }
.footer-email:hover { color: var(--color-accent-light); }
.footer-social { display: flex; gap: 16px; }
.footer-social a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(0, 212, 255, 0.1); border-radius: 6px; color: var(--color-text-secondary); transition: 0.3s ease; }
.footer-social a:hover { background: rgba(0, 212, 255, 0.2); color: var(--color-accent); }
.footer-social svg { width: 20px; height: 20px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; border-top: 1px solid rgba(0, 212, 255, 0.1); }
.copyright { font-size: 0.85rem; color: var(--color-text-muted); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 0.85rem; color: var(--color-text-muted); transition: 0.15s ease; }
.footer-legal a:hover { color: var(--color-text-secondary); }

/* Responsive */
@media (max-width: 1024px) {
    :root { --section-padding: 80px; }
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-content { order: 1; }
    .hero-visual { order: 0; }
    .hero-graphic { width: 300px; height: 300px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; }
    .products-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; text-align: center; }
    .about-stats { justify-content: center; }
    .partnership-results { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu { position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; background: var(--color-bg-secondary); padding: 24px; gap: 8px; border-bottom: 1px solid rgba(0, 212, 255, 0.1); transform: translateY(-100%); opacity: 0; visibility: hidden; transition: 0.3s ease; }
    .nav-menu.active { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-link { width: 100%; text-align: center; padding: 16px; }
    .nav-toggle { display: flex; }
    .hero-graphic { width: 250px; height: 250px; }
    .graphic-center { inset: 80px; }
    .graphic-center svg { width: 40px; height: 40px; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .stat { align-items: center; }
    .partnership-card { padding: 32px; }
    .partnership-results { flex-direction: column; gap: 24px; align-items: center; }
    .cta-features { flex-direction: column; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-desc { margin: 0 auto; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}