:root {
  /* Core colors */
  --bg: #042a3b;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --faint: rgba(255,255,255,.12);
  --faint2: rgba(255,255,255,.08);
  --panel: rgba(255,255,255,.04);
  --panel2: rgba(255,255,255,.06);

  /* Blue accent palette */
  --accent: #64b5f6;
  --accent-hover: #90caf9;
  --accent-dark: #42a5f5;
  --accent-faint: rgba(100, 181, 246, .18);
  --accent-glow: rgba(100, 181, 246, .25);

  --radius: 16px;
  --transition: all 0.22s ease;
}

/* Reset & base */
*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 18% -12%, var(--accent-faint), transparent 60%),
    radial-gradient(1000px 650px at 100% 0%, rgba(100, 181, 246, .14), transparent 55%),
    var(--bg);
}

/* Typography */
h1 { font-size: clamp(2rem, 3.2vw, 3rem); letter-spacing: -0.02em; margin: 18px 0 10px; }
h2 { margin-top: 28px; font-size: 1.35rem; letter-spacing: -0.01em; }
h3 { margin: 0 0 6px; font-size: 1.12rem; letter-spacing: -0.01em; }
p { color: var(--muted); margin: 10px 0; }

/* Links */
a {
  color: inherit;
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* Layout */
.container {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

.site {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  padding: 28px 0 44px;
}

/* Navigation */
.nav {
  border-bottom: 1px solid var(--faint);
  background: rgba(3,20,33,.55);
  backdrop-filter: blur(10px);
}

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

.brand {
  font-weight: 750;
  letter-spacing: .2px;
  opacity: .95;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--muted);
  transition: var(--transition);
}

.nav-links a:hover {
  background: var(--faint2);
  color: var(--text);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  background: var(--accent-faint);
  color: var(--accent-hover);
  border: 1px solid rgba(100, 181, 246, .35);
}

/* Components */
.hero {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--faint);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
}

.kicker {
  display: inline-block;
  font-size: .95rem;
  color: var(--accent-hover);
  border: 1px solid rgba(100, 181, 246, .35);
  background: var(--accent-faint);
  padding: 6px 10px;
  border-radius: 999px;
}

/* Buttons */
.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--faint);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
  transition: var(--transition);
}

.btn:hover {
  background: var(--accent-faint);
  border-color: rgba(100, 181, 246, .40);
  color: var(--accent-hover);
}

.btn-secondary {
  border-color: rgba(100, 181, 246, .40);
  background: var(--accent-faint);
  color: var(--accent-hover);
}

.btn-secondary:hover {
  background: rgba(100, 181, 246, .28);
  border-color: rgba(100, 181, 246, .55);
}

.btn-ghost {
  background: transparent;
}

/* Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.card {
  grid-column: span 12;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--faint);
  background: var(--panel);
  transition: var(--transition);
}

.card p { margin: 8px 0 12px; }

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(100, 181, 246, .25);
  box-shadow: 0 12px 24px rgba(0,0,0,.18);
}

@media (min-width: 720px) {
  .card { grid-column: span 6; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .span-2 { grid-column: span 2; }
}

@media (min-width: 980px) {
  .card { grid-column: span 4; }
}

/* Utilities */
.hr {
  border: 0;
  border-top: 1px solid var(--faint);
  margin: 22px 0;
  opacity: .8;
}

.note {
  border: 1px solid var(--faint);
  background: rgba(255,255,255,.03);
  padding: 14px 16px;
  border-radius: var(--radius);
  color: var(--muted);
}

ul {
  margin: 10px 0 0 18px;
  color: var(--muted);
}

li { margin: 6px 0; }

/* Forms */
.form {
  margin-top: 14px;
  border: 1px solid var(--faint);
  background: rgba(255,255,255,.03);
  padding: 16px;
  border-radius: var(--radius);
}

.form-grid {
  display: grid;
  gap: 12px;
}

label {
  display: block;
  font-size: .95rem;
  color: var(--muted);
  margin-bottom: 6px;
}

input,
textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--faint);
  background: rgba(0,0,0,.22);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Footer */
.footer {
  border-top: 1px solid var(--faint);
  padding: 18px 0;
  color: var(--muted);
  font-size: .95rem;
}