:root {
  --bg: #f4f1ea;
  --ink: #0a0a0a;
  --accent: #ff3b1f;
  --accent-2: #2d5bff;
  --muted: #6b6960;
  --dark-bg: #0a0a0a;
  --dark-ink: #f4f1ea;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }
.red { color: var(--accent); }

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  z-index: 100;
  mix-blend-mode: difference;
  color: #fff;
}
.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}
.logo span { color: var(--accent); }
.nav ul { display: flex; gap: 2rem; list-style: none; font-size: 0.9rem; }
.nav ul a:hover { color: var(--accent); }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 8rem 2.5rem 4rem;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(10,10,10,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,10,10,0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 1400px; }
.kicker {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  color: var(--muted);
}
.hero h1 {
  font-size: clamp(4rem, 14vw, 14rem);
  line-height: 0.85;
  margin-bottom: 1.5rem;
}
.hero h1 .vs {
  color: var(--accent);
  font-style: italic;
  display: inline-block;
  transform: rotate(8deg);
}
.tagline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.tagline em { color: var(--accent); font-style: italic; }
.hero-sub {
  max-width: 620px;
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 2px solid var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

.hero-marquee {
  position: absolute;
  bottom: 1.5rem;
  left: 0; right: 0;
  white-space: nowrap;
  overflow: hidden;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.hero-marquee span {
  display: inline-block;
  padding: 0 1rem;
  animation: scroll 30s linear infinite;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* SECTIONS */
.section {
  padding: 8rem 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}
.section.dark {
  background: var(--dark-bg);
  color: var(--dark-ink);
  max-width: none;
  margin: 0;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  margin-bottom: 4rem;
  border-top: 1px solid currentColor;
  padding-top: 2rem;
}
.num {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  color: var(--accent);
}
.section-head h2 {
  font-size: clamp(2.5rem, 6vw, 5rem);
}
.section-head h2 em { color: var(--accent); font-style: italic; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.lede {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.2;
}
.two-col p:not(.lede) { font-size: 1.1rem; color: var(--muted); }

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  border: 1px solid rgba(244, 241, 234, 0.2);
  padding: 2.5rem 2rem;
  transition: all 0.3s ease;
  background: rgba(244, 241, 234, 0.02);
}
.card:hover {
  background: var(--accent);
  color: var(--ink);
  transform: translateY(-4px);
}
.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border: 1px solid currentColor;
  margin-bottom: 2rem;
}
.card h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.card p { margin-bottom: 1rem; opacity: 0.85; }
.card-meta {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* BIG QUOTE */
.big-quote {
  margin-bottom: 3rem;
}
.big-quote p {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.1;
  max-width: 1100px;
}
.big-quote em { color: var(--accent); font-style: italic; }

.bullets {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  font-size: 1.3rem;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
}
.bullets li { display: flex; gap: 1rem; align-items: baseline; }
.bullets span { color: var(--accent); }

/* SPLIT */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.split-left p { margin-bottom: 1rem; font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); }
.split-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  aspect-ratio: 1;
}
.frame {
  border: 2px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}
.frame-1 { background: var(--ink); color: var(--bg); }
.frame-2 { background: var(--accent); color: var(--bg); }
.frame-3 {
  background: repeating-linear-gradient(45deg, var(--ink), var(--ink) 8px, var(--bg) 8px, var(--bg) 16px);
  color: var(--accent);
}
.frame-4 {
  background: var(--accent-2);
  color: var(--bg);
}

/* REGISTER */
.register {
  text-align: center;
  padding-top: 6rem;
  padding-bottom: 6rem;
}
.register h2 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: 1rem;
}
.register > p {
  max-width: 600px;
  margin: 0 auto 3rem;
  color: var(--muted);
  font-size: 1.1rem;
}
.reg-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.reg-form input, .reg-form select {
  padding: 1rem 1.25rem;
  border: 2px solid var(--ink);
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
}
.reg-form input:focus, .reg-form select:focus {
  outline: none;
  border-color: var(--accent);
}

/* FOOTER */
footer {
  background: var(--dark-bg);
  color: var(--dark-ink);
  padding: 4rem 2.5rem 2rem;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto 3rem;
}
.foot-grid p { font-size: 0.9rem; opacity: 0.7; margin-top: 0.5rem; }
.foot-label {
  font-size: 0.75rem !important;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent) !important;
  opacity: 1 !important;
  margin-bottom: 0.5rem !important;
}
.copy {
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.5;
  border-top: 1px solid rgba(244,241,234,0.1);
  padding-top: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* RESPONSIVE */
@media (max-width: 800px) {
  .nav { padding: 1rem 1.5rem; }
  .nav ul { display: none; }
  .hero { padding: 6rem 1.5rem 4rem; }
  .section { padding: 5rem 1.5rem; }
  .section.dark { padding-left: 1.5rem; padding-right: 1.5rem; }
  .two-col, .cards, .split, .bullets, .foot-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .section-head { flex-direction: column; gap: 0.5rem; }
}