/* ===== Base ===== */
:root {
  --bg: #0b1220;
  --surface: #111b2e;
  --surface2: #0f1729;
  --text: #e9eef8;
  --muted: #b8c4da;
  --accent: #4da3ff;
  --border: rgba(255,255,255,0.12);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 14px;
  --max: 1100px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(77,163,255,0.20), transparent 55%),
              radial-gradient(900px 600px at 90% 10%, rgba(255,255,255,0.08), transparent 60%),
              var(--bg);
  color: var(--text);
}

a { color: inherit; }
.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

h1, h2, h3 { margin: 0 0 10px 0; }
h1 { font-size: clamp(1.8rem, 3.2vw, 3rem); letter-spacing: -0.4px; }
h2 { font-size: clamp(1.3rem, 2.1vw, 2rem); }
h3 { font-size: 1.1rem; }

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 8px 0 0 0;
}

.muted { color: var(--muted); }
.small { font-size: 0.92rem; }
.micro { font-size: 0.9rem; line-height: 1.45; }

/* ===== Pills / Notice ===== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 650;
  font-size: 0.92rem;
  margin: 0 0 12px 0;
}

.notice {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--muted);
  line-height: 1.5;
}

/* ===== Buttons ===== */
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: 0.2px;
  cursor: pointer;
}
.btn--primary {
  background: rgba(77,163,255,0.18);
  border-color: rgba(77,163,255,0.5);
}
.btn--ghost {
  background: rgba(255,255,255,0.04);
}
.btn:hover,
.btn:focus-visible {
  outline: none;
  transform: translateY(-1px);
  transition: transform 120ms ease;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(17, 27, 46, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--text);
  line-height: 1.05;
}
.brand__name {
  font-weight: 900;
  letter-spacing: 0.4px;
}
.brand__sub {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 650;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-nav a {
  text-decoration: none;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid transparent;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--border);
  background: rgba(255,255,255,0.05);
  outline: none;
}
.site-nav a.cta {
  border-color: rgba(77,163,255,0.45);
  background: rgba(77,163,255,0.12);
}

/* Hamburger (CSS-only) */
.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.nav-toggle-label {
  display: none;
  width: 44px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
  border-radius: 2px;
  content: "";
}
.nav-toggle-label span::before { position: absolute; top: -6px; }
.nav-toggle-label span::after  { position: absolute; top: 6px; }

@media (max-width: 760px) {
  .nav-toggle-label { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 62px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  .site-nav a { width: 100%; }

  .nav-toggle:checked ~ .site-nav { display: flex; }

  .nav-toggle:checked + .nav-toggle-label span { background: transparent; }
  .nav-toggle:checked + .nav-toggle-label span::before {
    top: 0; transform: rotate(45deg);
  }
  .nav-toggle:checked + .nav-toggle-label span::after {
    top: 0; transform: rotate(-45deg);
  }
}

/* ===== Layout Sections ===== */
.section { padding: 46px 0; }
.section--alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hero { padding: 44px 0 20px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: stretch;
}
.hero__copy { padding: 10px 0; }

.hero__card .card { height: 100%; }

.page-hero { padding: 34px 0 12px; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
}

/* ===== Cards / Panels ===== */
.card, .panel {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card__title { margin-bottom: 8px; }

.grid2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.twoCol {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 900px) {
  .grid2, .grid3, .twoCol { grid-template-columns: 1fr; }
}

/* Lists */
.checklist, .bullets {
  margin: 12px 0 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}
.checklist li { margin: 6px 0; }
.bullets li { margin: 6px 0; }

/* ===== Forms ===== */
.form {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}
label { display: grid; gap: 6px; font-weight: 700; }
input, select, textarea {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font: inherit;
}
textarea { resize: vertical; min-height: 110px; }

.contact-list { display: grid; gap: 8px; margin-top: 10px; }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  background: rgba(15, 23, 41, 0.7);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 12px;
  align-items: center;
}
.footer__brand { font-weight: 900; }
.footer__links { display: flex; gap: 12px; justify-content: flex-start; }
.footer__links a { color: var(--muted); text-decoration: none; }
.footer__links a:hover { color: var(--text); }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__links { justify-content: flex-start; }
}