/* --------- Base --------- */
:root {
  --bg: #2a2f2a;
  --paper: #343a34;
  --card: rgba(255, 255, 255, 0.08);
  --card-strong: rgba(255, 255, 255, 0.12);
  --border: rgba(255, 255, 255, 0.16);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted2: rgba(255, 255, 255, 0.58);

  --accent: #5ee28c;
  --accent2: #66c7ff;

  --shadow: 0 18px 50px rgba(0, 0, 0, 0.30);
  --radius: 18px;
  --radius2: 26px;

  --max: 1100px;
  --pad: 22px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 700px at 20% 0%, rgba(94, 226, 140, 0.16), transparent 55%),
    radial-gradient(900px 600px at 80% 10%, rgba(102, 199, 255, 0.16), transparent 60%),
    linear-gradient(180deg, #2a2f2a 0%, #343a34 55%, #2a2f2a 100%);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: inherit;
}

.container {
  width: min(var(--max), calc(100% - 2 * var(--pad)));
  margin: 0 auto;
}

.muted {
  color: var(--muted2);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 12px;
  background: #3a3f3a;
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 9999;
}
.skip-link:focus {
  left: 12px;
}

/* --------- Header --------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(42, 47, 42, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, rgba(94, 226, 140, 0.26), rgba(102, 199, 255, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.2px;
}
.brand-sub {
  color: var(--muted2);
  font-size: 0.92rem;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a {
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--muted);
}
.nav a:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
}

/* --------- Hero --------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 54px 0 42px;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(42, 47, 42, 0.30) 0%, rgba(42, 47, 42, 0.88) 75%, rgba(42, 47, 42, 1) 100%),
    radial-gradient(900px 420px at 20% 20%, rgba(94, 226, 140, 0.22), transparent 55%),
    radial-gradient(800px 520px at 80% 25%, rgba(102, 199, 255, 0.20), transparent 60%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    url("./assets/hero.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.05);
  transform: scale(1.02);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
}

.hero-card {
  width: min(860px, 100%);
  background: rgba(52, 58, 52, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding: 26px;
  backdrop-filter: blur(14px);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  margin: 0 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
  font-size: 0.9rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 3.4vw, 3.3rem);
  letter-spacing: -0.5px;
}

.hero-lede {
  margin: 10px 0 18px;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-weight: 650;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.11);
}

.btn-primary {
  border-color: rgba(94, 226, 140, 0.42);
  background: linear-gradient(135deg, rgba(94, 226, 140, 0.26), rgba(102, 199, 255, 0.20));
}

.btn-ghost {
  color: var(--muted);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.meta-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  padding: 12px;
}
.meta-label {
  color: var(--muted2);
  font-size: 0.86rem;
  margin-bottom: 4px;
}

.hero-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 70px;
  background: radial-gradient(90px 40px at 20% 30%, rgba(94, 226, 140, 0.24), transparent 60%),
    radial-gradient(110px 50px at 55% 10%, rgba(102, 199, 255, 0.20), transparent 60%),
    linear-gradient(180deg, transparent 0%, rgba(42, 47, 42, 1) 80%);
  filter: blur(0.2px);
  opacity: 0.95;
}

/* --------- Strip --------- */
.strip {
  padding: 6px 0 26px;
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.strip-card {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
}

.strip-card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

/* --------- Sections --------- */
.section {
  padding: 54px 0;
}

.section-alt {
  background: radial-gradient(900px 520px at 20% 0%, rgba(94, 226, 140, 0.11), transparent 60%),
    radial-gradient(700px 520px at 90% 0%, rgba(102, 199, 255, 0.11), transparent 60%),
    rgba(255, 255, 255, 0.04);
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: -0.3px;
}

.section-sub {
  margin: 8px 0 0;
  color: var(--muted);
}

/* --------- FAQ --------- */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
  padding: 14px 14px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "＋";
  float: right;
  color: var(--muted);
}

details[open] summary::after {
  content: "—";
}

.faq-body {
  margin-top: 10px;
  color: var(--muted);
}

/* --------- Board --------- */
.board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.person-card {
  display: flex;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
}

.person-card h3 {
  margin: 0 0 3px;
  font-size: 1.05rem;
}

.avatar {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(94, 226, 140, 0.24), rgba(102, 199, 255, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.contact {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.contact a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.27);
}
.contact a:hover {
  border-bottom-color: rgba(94, 226, 140, 0.6);
}

.dot {
  opacity: 0.6;
}

/* --------- Links --------- */
.links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.link-card {
  display: block;
  text-decoration: none;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.link-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(94, 226, 140, 0.32);
}

.link-title {
  font-weight: 800;
}

.link-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.note {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

code {
  background: rgba(255, 255, 255, 0.09);
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.13);
}

/* --------- Footer --------- */
.footer {
  padding: 28px 0 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(0, 0, 0, 0.14);
}

.footer-inner {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 900;
}

.footer-links {
  display: flex;
  gap: 12px;
}
.footer-links a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid transparent;
}
.footer-links a:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
}

/* --------- Responsive --------- */
@media (max-width: 900px) {
  .strip-grid,
  .board-grid,
  .links-grid {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .brand {
    min-width: auto;
  }
}