:root {
  --navy: #0b2148;
  --blue-900: #102c5c;
  --blue-700: #175cd3;
  --blue-500: #2e7cf6;
  --blue-100: #e4edfd;
  --red: #d92d20;
  --red-dark: #b4231e;
  --red-bright: #ff6b60;
  --ink: #141d2b;
  --muted: #5b6b7c;
  --bg: #ffffff;
  --bg-alt: #f3f6fc;
  --radius: 10px;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }
.center { text-align: center; }

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.01em; font-family: var(--font-display); }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin: 0.4em 0; font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0.3em 0 0.6em; font-weight: 800; }
h3 { font-size: 1.15rem; margin: 0 0 0.4em; font-weight: 700; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-700);
  margin: 0 0 10px;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  background: var(--red);
  margin-right: 10px;
}
.eyebrow-light { color: var(--red-bright); }
.accent { color: var(--red); }
.lead { font-size: 1.15rem; color: var(--muted); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e3e9f2;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-text { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; line-height: 1; letter-spacing: 0.01em; display: block; }
.brand-text .dot { color: var(--red); }
.brand-text small { display: block; font-weight: 500; font-size: 0.62rem; color: var(--muted); margin-top: 3px; letter-spacing: 0.02em; }
.site-nav { display: flex; gap: 26px; margin-left: auto; }
.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--blue-700); border-bottom-color: var(--red); }
.header-cta { margin-left: 4px; }
.nav-toggle { display: none; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}
.btn-sm { padding: 10px 18px; font-size: 0.9rem; white-space: nowrap; }
.btn-primary { background: var(--blue-700); color: #fff; }
.btn-primary:hover { background: var(--red); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: #fff; color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--red); color: #fff; }

/* Hero */
.hero {
  background-color: var(--navy);
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 22px 22px;
  color: #fff;
  padding: 76px 0 84px;
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: center; }
.hero .eyebrow {
  display: inline-block;
  color: #dbe6fa;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.75rem;
}
.hero .eyebrow::before { display: none; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
.hero .accent { color: var(--red-bright); }
.hero .lead { color: #c9d6ee; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 34px; }
.hero-stats { list-style: none; display: flex; gap: 0; padding: 22px 0 0; margin: 0; border-top: 1px solid rgba(255, 255, 255, 0.18); }
.hero-stats li { padding: 0 28px; }
.hero-stats li:first-child { padding-left: 0; }
.hero-stats li + li { border-left: 1px solid rgba(255, 255, 255, 0.18); }
.hero-stats strong { display: block; font-size: 1.5rem; font-family: var(--font-display); }
.hero-stats span { color: #c9d6ee; font-size: 0.88rem; }
/* Event ticket: white card, dashed stub divider, red stamp badge. */
.ticket {
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 30px 30px 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.ticket-badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 4px;
  margin: 0 0 14px;
}
.ticket-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin: 0 0 10px; line-height: 1.2; }
.ticket-text { color: var(--muted); margin: 0 0 18px; }
.ticket-meta {
  border-top: 2px dashed #d5dce8;
  padding-top: 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-700);
  margin: 0 0 12px;
}
.ticket-link { color: var(--red-dark); font-weight: 700; text-decoration: none; }
.ticket-link:hover { text-decoration: underline; }

/* Sections */
.section { padding: 64px 0; scroll-margin-top: 88px; }
.section-alt { background: var(--bg-alt); }
.section-cta { background: var(--blue-900); color: #fff; }
.section-cta p { color: #c9d6ee; }
.section-cta a { color: #fff; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.card {
  background: #fff;
  border: 1px solid #e0e7f1;
  border-radius: var(--radius);
  padding: 24px;
}
.card:hover { border-color: var(--blue-500); }
.card-top { display: flex; align-items: center; justify-content: space-between; margin: 0 0 18px; }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--blue-100);
  color: var(--blue-700);
}
.card-icon svg { width: 24px; height: 24px; }
.card-num { font-family: var(--font-display); font-weight: 700; font-size: 0.85rem; color: #9aa9c0; letter-spacing: 0.08em; }
.card p { color: var(--muted); margin: 0; font-size: 0.95rem; }

.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.check-list li { padding-left: 32px; position: relative; font-weight: 600; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 800; }

/* Form */
.join-form {
  display: grid;
  gap: 14px;
  max-width: 480px;
  margin: 32px auto 0;
  text-align: left;
}
.field span { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.field em { font-weight: 400; color: #c9d6ee; }
.field input, .field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
}
.field select option { color: var(--ink); }
.field input::placeholder { color: #9db1cf; }
.form-note { min-height: 1.4em; font-weight: 600; margin: 4px 0 0; }

/* Footer */
.site-footer { border-top: 1px solid #e3e9f2; padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); font-size: 0.9rem; }

/* Mobile */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .site-nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    border-bottom: 1px solid #e3e9f2;
  }
  .site-nav.open { display: flex; }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    margin-left: auto;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
  }
  .nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); }
  .header-cta { display: none; }
}

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .brand-text { font-size: 1.25rem; }
}