:root {
  --ink: #172033;
  --muted: #61708a;
  --bg: #fbf7f0;
  --surface: #ffffff;
  --soft: #efe8dc;
  --primary: #6d4aff;
  --primary-dark: #4b32c7;
  --accent: #f4a261;
  --teal: #1f9d8a;
  --line: rgba(23, 32, 51, 0.12);
  --shadow: 0 24px 80px rgba(23, 32, 51, 0.12);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; }
.soft { background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(239,232,220,.8)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(251, 247, 240, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.03em; font-size: 1.1rem; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  color: white; background: linear-gradient(135deg, var(--primary), var(--teal));
  font-size: .85rem; box-shadow: 0 12px 30px rgba(109, 74, 255, .28);
}
.nav-menu { display: flex; align-items: center; gap: 28px; font-weight: 600; color: var(--muted); }
.nav-menu a:hover { color: var(--ink); }
.nav-toggle { display: none; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 10px 14px; font-weight: 700; }

.hero { padding-top: 112px; overflow: hidden; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: -200px -120px auto auto;
  width: 560px; height: 560px; border-radius: 50%;
  background: radial-gradient(circle, rgba(109,74,255,.24), transparent 64%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--primary-dark); font-weight: 800; text-transform: uppercase; letter-spacing: .11em; font-size: .76rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.6rem, 7vw, 5.7rem); line-height: .95; letter-spacing: -0.075em; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.02; letter-spacing: -0.055em; margin-bottom: 20px; }
h3 { font-size: 1.18rem; letter-spacing: -0.025em; margin-bottom: 10px; }
.hero-text { font-size: 1.2rem; color: var(--muted); max-width: 650px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 14px 20px; font-weight: 800; border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: white; background: var(--primary); box-shadow: 0 14px 28px rgba(109,74,255,.24); }
.button.primary:hover { background: var(--primary-dark); }
.button.secondary { background: rgba(255,255,255,.7); border-color: var(--line); }

.hero-card { position: relative; padding: 32px; border-radius: var(--radius); background: rgba(255,255,255,.78); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.card-glow { position: absolute; top: -90px; right: -80px; width: 230px; height: 230px; background: radial-gradient(circle, rgba(244,162,97,.55), transparent 68%); }
.hero-card h2 { font-size: 1.55rem; position: relative; }
.hero-card ul { padding: 0; margin: 24px 0 0; list-style: none; display: grid; gap: 16px; position: relative; }
.hero-card li { padding: 18px; border-radius: 18px; background: rgba(251,247,240,.84); border: 1px solid var(--line); font-weight: 700; }

.mission-strip { padding: 26px 0; background: var(--ink); color: white; }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mission-grid div { display: flex; gap: 14px; align-items: center; }
.stat { color: var(--accent); font-weight: 900; }
.mission-grid p { margin: 0; font-weight: 700; }

.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; }
.text-stack { color: var(--muted); font-size: 1.06rem; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading p:last-child { color: var(--muted); font-size: 1.08rem; }
.cards { display: grid; gap: 22px; }
.three { grid-template-columns: repeat(3, 1fr); }
.feature-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 14px 34px rgba(23,32,51,.06); }
.icon { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--soft); color: var(--primary-dark); margin-bottom: 24px; font-size: 1.2rem; }
.feature-card p, .list-item p { color: var(--muted); margin-bottom: 0; }

.platform-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 34px; align-items: start; }
.platform-panel { background: var(--ink); color: white; border-radius: var(--radius); padding: 36px; position: sticky; top: 100px; }
.platform-panel .eyebrow { color: var(--accent); }
.platform-panel p { color: rgba(255,255,255,.76); }
.platform-list { display: grid; gap: 16px; }
.list-item { padding: 24px; border-radius: 22px; border: 1px solid var(--line); background: rgba(255,255,255,.72); }

.sponsor-band { background: linear-gradient(135deg, var(--primary), var(--teal)); color: white; }
.sponsor-content { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.sponsor-content .eyebrow { color: rgba(255,255,255,.78); }
.sponsor-content p { color: rgba(255,255,255,.84); font-size: 1.08rem; }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; align-items: start; }
.contact p { color: var(--muted); }
.contact-note { margin-top: 24px; padding: 18px; border-radius: 18px; background: var(--soft); color: var(--muted); }
.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); display: grid; gap: 18px; }
label { display: grid; gap: 8px; font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px 15px; font: inherit; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(109,74,255,.18); border-color: var(--primary); }
.form-status { min-height: 24px; margin: 0; color: var(--teal) !important; font-weight: 700; }

.footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu { position: absolute; left: 20px; right: 20px; top: 78px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 13px 12px; }
  .hero-grid, .split, .platform-grid, .sponsor-content, .contact-grid { grid-template-columns: 1fr; }
  .three, .mission-grid { grid-template-columns: 1fr; }
  .platform-panel { position: static; }
  .section { padding: 68px 0; }
  .hero { padding-top: 82px; }
}

@media (max-width: 520px) {
  .container { width: min(100% - 28px, 1120px); }
  .hero-actions, .button { width: 100%; }
  .hero-card, .platform-panel, .contact-form { padding: 24px; }
}