@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #111111;
  --color-bg-card: #161616;
  --color-text: #ffffff;
  --color-text-muted: #888888;
  --color-accent: #ff6b00;
  --color-accent-soft: rgba(255,107,0,0.12);
  --font-main: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-fast: 200ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-med: 400ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-slow: 600ms cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1200px;
  --section-pad: clamp(60px, 10vw, 120px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-main); font-size: 16px; line-height: 1.6; color: var(--color-text); background: var(--color-bg); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; text-wrap: balance; }
h1 { font-size: clamp(3rem, 8vw, 6rem); font-weight: 900; text-transform: uppercase; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.2rem; font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; font-family: var(--font-main); font-size: 14px; font-weight: 600;
  border-radius: 999px; border: none; cursor: pointer; text-transform: uppercase; letter-spacing: 0.05em;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { box-shadow: 0 8px 30px rgba(255,107,0,0.3); }
.btn-outline { background: transparent; color: var(--color-text); border: 1.5px solid rgba(255,255,255,0.2); }
.btn-outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }
.btn .arrow { transition: transform var(--transition-fast); }
.btn:hover .arrow { transform: translateX(4px); }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0; background: rgba(10,10,10,0.8); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.header-logo img { height: 32px; width: auto; filter: brightness(10); }
.header-nav { display: flex; align-items: center; gap: 32px; }
.header-nav a { font-size: 13px; font-weight: 500; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; transition: color var(--transition-fast); }
.header-nav a:hover { color: var(--color-text); }
.header-cta { margin-left: 8px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 110; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: transform var(--transition-fast), opacity var(--transition-fast); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translateY(7px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translateY(-7px); }

/* Hero */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; text-align: center; padding-top: 80px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(to bottom, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.7) 60%, #0a0a0a 100%); }
.hero .container { position: relative; z-index: 2; }
.hero-label { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: var(--color-accent-soft); border: 1px solid rgba(255,107,0,0.2); border-radius: 999px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: 32px; }
.hero h1 { margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--color-accent); }
.hero-desc { font-size: 18px; color: var(--color-text-muted); max-width: 560px; margin: 0 auto 40px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; justify-content: center; }
.hero-stats { display: flex; gap: 48px; justify-content: center; margin-top: 80px; }
.hero-stat h3 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--color-accent); }
.hero-stat p { font-size: 13px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* Marquee */
.marquee { padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); overflow: hidden; white-space: nowrap; }
.marquee-inner { display: inline-flex; animation: marquee 30s linear infinite; }
.marquee-inner span { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-text-muted); padding: 0 24px; }
.marquee-inner span.star { color: var(--color-accent); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Gallery */
.gallery { padding: var(--section-pad) 0; }
.section-header { margin-bottom: 48px; }
.section-header h4 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-accent); margin-bottom: 12px; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-card { position: relative; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 3/4; cursor: pointer; }
.gallery-card img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.gallery-card:hover img { transform: scale(1.08); }
.gallery-card-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 16px; background: linear-gradient(transparent, rgba(0,0,0,0.8)); }
.gallery-card-info p { font-size: 13px; color: var(--color-text-muted); }

/* Helmets */
.helmets { padding: var(--section-pad) 0; background: var(--color-bg-alt); }
.helmets-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.helmet-card { background: var(--color-bg-card); border-radius: var(--radius-md); padding: 16px; text-align: center; transition: transform var(--transition-med), box-shadow var(--transition-med); border: 1px solid rgba(255,255,255,0.04); }
.helmet-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.helmet-card img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: 12px; }
.helmet-card h3 { font-size: 14px; margin-bottom: 4px; }
.helmet-card p { font-size: 12px; color: var(--color-text-muted); }

/* Split sections */
.split { padding: var(--section-pad) 0; }
.split .container { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-content h4 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-accent); margin-bottom: 12px; }
.split-content h2 { margin-bottom: 16px; }
.split-content p { color: var(--color-text-muted); margin-bottom: 24px; }
.split-img { border-radius: var(--radius-lg); overflow: hidden; }
.split-img img { width: 100%; height: 400px; object-fit: cover; }

/* Partners */
.partners { padding: 60px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.partners .container { text-align: center; }
.partners h2 { margin-bottom: 40px; }
.partner-logos { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.partner-logos img { height: 40px; opacity: 0.4; filter: brightness(10) grayscale(1); transition: opacity var(--transition-fast); }
.partner-logos img:hover { opacity: 0.8; }

/* CTA */
.cta-section { padding: var(--section-pad) 0; text-align: center; }
.cta-inner { background: linear-gradient(135deg, var(--color-bg-card) 0%, #1a1a1a 100%); border-radius: var(--radius-lg); padding: clamp(48px, 8vw, 80px); border: 1px solid rgba(255,255,255,0.06); position: relative; overflow: hidden; }
.cta-inner::before { content: ''; position: absolute; top: -100px; right: -100px; width: 300px; height: 300px; background: radial-gradient(circle, rgba(255,107,0,0.1) 0%, transparent 70%); }
.cta-inner h2 { margin-bottom: 16px; position: relative; }
.cta-inner p { color: var(--color-text-muted); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; position: relative; }

/* Footer */
.footer { padding: 64px 0 32px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand img { height: 28px; margin-bottom: 16px; filter: brightness(10); }
.footer-brand p { color: var(--color-text-muted); font-size: 14px; max-width: 280px; }
.footer-col h4 { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); margin-bottom: 16px; }
.footer-col a { display: block; padding: 4px 0; font-size: 14px; color: var(--color-text-muted); transition: color var(--transition-fast); }
.footer-col a:hover { color: var(--color-text); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--color-text-muted); }
.footer-bottom a { color: var(--color-text-muted); transition: color var(--transition-fast); }
.footer-bottom a:hover { color: var(--color-text); }

/* Quote */
.quote-section { padding: var(--section-pad) 0; text-align: center; }
.quote-text { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; font-style: italic; letter-spacing: -0.02em; max-width: 700px; margin: 0 auto 24px; line-height: 1.3; }
.quote-sig img { height: 40px; margin: 0 auto; opacity: 0.6; filter: brightness(10); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity var(--transition-slow), transform var(--transition-slow); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-stats { gap: 32px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .helmets-grid { grid-template-columns: repeat(3, 1fr); }
  .split .container { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .header-nav { display: none; }
  .header-nav.open { display: flex; flex-direction: column; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,10,10,0.98); backdrop-filter: blur(20px); justify-content: center; align-items: center; gap: 24px; z-index: 105; }
  .header-nav.open a { font-size: 20px; color: var(--color-text); }
  .nav-toggle { display: flex; }
  .hero { min-height: 90vh; }
  .hero h1 { font-size: 2.5rem; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .helmets-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-logos { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
