:root {
  --navy: #0b1530;
  --navy-2: #121f44;
  --ink: #0f172a;
  --muted: #5b6478;
  --line: #e3e7ef;
  --paper: #f7f8fb;
  --white: #ffffff;
  --cyan: #22d3ee;
  --cyan-deep: #0891b2;
  --amber: #f5b544;
  --radius: 18px;
  --max: 1160px;
  --head: "Space Grotesk", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

.wrap { width: min(var(--max), 100% - 48px); margin-inline: auto; }
.section { padding: 104px 0; }
.section--paper { background: var(--paper); }
.section--dark { background: var(--navy); color: #dbe3f5; }

.eyebrow {
  display: inline-block;
  font-family: var(--head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-deep);
  margin-bottom: 14px;
}
.section--dark .eyebrow { color: var(--cyan); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
.section-head p { margin-top: 16px; color: var(--muted); font-size: 1.1rem; }
.section--dark .section-head p { color: #a9b5d1; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 21, 48, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-family: var(--head); font-weight: 700; font-size: 1.25rem; }
.brand img { width: 32px; height: 32px; }
.brand b { color: var(--cyan); font-weight: 700; }
.nav__links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav__links a { color: #c8d2ea; text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.nav__links a:hover { color: #fff; }
.nav__cta { margin-left: 12px; }
.nav__toggle { display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600; font-size: 0.97rem;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--cyan); color: var(--navy); }
.btn--primary:hover { background: #67e8f9; }
.btn--ghost { color: #fff; border: 1px solid rgba(255, 255, 255, 0.28); }
.btn--ghost:hover { border-color: #fff; }
.btn--small { padding: 9px 16px; font-size: 0.9rem; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(34, 211, 238, 0.18), transparent 60%),
    radial-gradient(700px 500px at 10% 100%, rgba(245, 181, 68, 0.10), transparent 60%),
    var(--navy);
  color: #fff;
  padding: 120px 0 0;
}
.hero__grid { position: absolute; inset: 0; opacity: 0.22; pointer-events: none; }
.hero__content { position: relative; max-width: 820px; }
.hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); font-weight: 700; }
.hero h1 span { color: var(--cyan); }
.hero__lead { margin-top: 24px; font-size: 1.2rem; color: #b8c4e0; max-width: 680px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__tag { font-family: var(--head); font-size: 0.85rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber); margin-bottom: 22px; }

.journey {
  position: relative;
  margin: 96px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: grid; grid-template-columns: repeat(5, 1fr);
}
.journey__step { padding: 28px 18px 32px 0; }
.journey__step + .journey__step { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, 0.1); }
.journey__num { font-family: var(--head); font-size: 0.8rem; color: var(--cyan); letter-spacing: 0.1em; }
.journey__name { font-family: var(--head); font-weight: 600; font-size: 1.05rem; margin-top: 6px; }
.journey__step:last-child .journey__num, .journey__step:last-child .journey__name { color: var(--amber); }

/* About */
.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.about h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
.about p + p { margin-top: 18px; }
.about__text p { color: var(--muted); font-size: 1.08rem; }
.audience { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.audience span {
  padding: 8px 14px; border-radius: 999px;
  background: var(--paper); border: 1px solid var(--line);
  font-size: 0.9rem; font-weight: 500;
}

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  display: flex; flex-direction: column;
}
.pillar__letter {
  width: 58px; height: 58px; border-radius: 14px;
  display: grid; place-items: center;
  font-family: var(--head); font-weight: 700; font-size: 1.8rem;
  background: var(--navy); color: var(--cyan);
  margin-bottom: 22px;
}
.pillar:nth-child(2) .pillar__letter { color: #fff; }
.pillar:nth-child(3) .pillar__letter { color: var(--amber); }
.pillar:nth-child(4) .pillar__letter { background: var(--cyan); color: var(--navy); }
.pillar h3 { font-size: 1.3rem; }
.pillar__summary { margin-top: 10px; color: var(--muted); font-size: 0.98rem; }
.pillar details { margin-top: auto; padding-top: 22px; }
.pillar summary {
  cursor: pointer; list-style: none;
  font-weight: 600; font-size: 0.92rem; color: var(--cyan-deep);
  display: flex; align-items: center; gap: 6px;
}
.pillar summary::-webkit-details-marker { display: none; }
.pillar summary::after { content: "+"; font-size: 1.1rem; line-height: 1; }
.pillar details[open] summary::after { content: "−"; }
.pillar ul { margin: 16px 0 0; padding-left: 18px; color: var(--muted); font-size: 0.92rem; }
.pillar li + li { margin-top: 7px; }
.initiatives { margin-top: 18px; font-size: 0.86rem; }
.initiatives strong { display: block; font-family: var(--head); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink); margin-bottom: 8px; }
.initiatives span { display: inline-block; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 4px 9px; margin: 0 4px 6px 0; color: var(--ink); }

/* Mission / vision */
.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mv__card {
  border-radius: var(--radius);
  padding: 44px 40px;
  background: var(--navy-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.mv__card h3 { color: #fff; font-size: 1.5rem; margin-bottom: 18px; }
.mv__card p { color: #b8c4e0; font-size: 1.1rem; }
.mv__card .eyebrow { margin-bottom: 10px; }

/* Objectives */
.objectives { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.objective { padding: 34px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.objective__num { font-family: var(--head); font-weight: 600; color: var(--cyan-deep); font-size: 0.9rem; }
.objective h3 { font-size: 1.2rem; margin-top: 10px; }
.objective p { margin-top: 10px; color: var(--muted); font-size: 0.97rem; }

/* Structure */
.committees { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.committee {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 24px;
}
.committee__dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); margin-top: 8px; }
.committee:nth-child(even) .committee__dot { background: var(--amber); }
.committee h3 { font-size: 1.06rem; }
.committee p { color: var(--muted); font-size: 0.94rem; margin-top: 4px; }

/* Join */
.join {
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(34, 211, 238, 0.22), transparent 60%),
    var(--navy);
  border-radius: 28px;
  padding: 72px 64px;
  color: #fff;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
}
.join h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
.join p { color: #b8c4e0; margin-top: 16px; font-size: 1.1rem; }
.join__ways { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.join__ways li { display: flex; gap: 12px; align-items: center; color: #dbe3f5; }
.join__ways li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); flex: none; }
.join__actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.contact__intro h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
.contact__intro p { margin-top: 16px; color: var(--muted); font-size: 1.08rem; }
.contact__direct a { color: var(--cyan-deep); font-weight: 600; }
.contact__form {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 36px;
  display: grid; gap: 18px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-weight: 600; font-size: 0.92rem; }
.optional { font-weight: 400; color: var(--muted); }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; width: 100%;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--cyan-deep); background: var(--white);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact__submit { justify-self: start; border: 0; cursor: pointer; font-family: inherit; }
.contact__submit:disabled { opacity: 0.6; cursor: wait; transform: none; }
.form-status { font-size: 0.95rem; min-height: 1.4em; }
.form-status--success { color: #15803d; }
.form-status--error { color: #b91c1c; }

/* Footer */
.footer { padding: 48px 0; border-top: 1px solid var(--line); }
.footer__inner { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; color: var(--muted); font-size: 0.92rem; }
.footer .brand { color: var(--ink); }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 1000px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .objectives { grid-template-columns: repeat(2, 1fr); }
  .about, .join, .contact { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav__links {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--navy); padding: 8px 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { display: block; padding: 12px 0; }
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .journey { grid-template-columns: 1fr; }
  .journey__step, .journey__step + .journey__step { padding: 16px 0; border-left: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); display: flex; gap: 14px; align-items: baseline; }
  .journey__name { margin-top: 0; }
  .mv, .committees { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .join { padding: 48px 28px; }
}
@media (max-width: 560px) {
  .pillars, .objectives, .field-row { grid-template-columns: 1fr; }
  .contact__form { padding: 24px; }
  .hero { padding-top: 88px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}