:root {
  --bg: #070b16;
  --card: #121a2f;
  --line: #24304d;
  --text: #e8eefc;
  --muted: #9aabc9;
  --accent: #6ee7b7;
  --accent2: #60a5fa;
  --danger: #f87171;
  --shadow: 0 24px 80px rgba(0,0,0,.45);
  font-family: "DM Sans", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body.land {
  margin: 0; min-height: 100vh; color: var(--text);
  background: radial-gradient(1000px 500px at 15% -10%, #1a2748, var(--bg));
}
.bg {
  position: fixed; inset: 0; pointer-events: none; opacity: .16;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 40% 20%, black, transparent 72%);
}
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(14px);
  background: rgba(7,11,22,.72);
  border-bottom: 1px solid var(--line);
}
.nav.compact { border-bottom: none; background: transparent; }
.nav-brand { display: flex; gap: .85rem; align-items: center; }
.logo {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #041018; font-weight: 700; letter-spacing: .02em;
}
.nav-title { font-weight: 700; }
.nav-sub { color: var(--muted); font-size: .82rem; }
.nav-actions { display: flex; gap: .5rem; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  text-decoration: none; cursor: pointer; border-radius: 999px;
  padding: .65rem 1.1rem; border: 1px solid var(--line); color: var(--text);
  background: #0f172a; font-weight: 600; font-size: .92rem;
}
.btn.primary {
  background: linear-gradient(135deg, #34d399, #3b82f6);
  color: #041018; border: none;
}
.btn.ghost:hover { border-color: var(--accent2); }
.btn.lg { padding: .85rem 1.35rem; font-size: 1rem; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .65; cursor: wait; }

main { position: relative; max-width: 1040px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
.hero { max-width: 40rem; padding: 1.5rem 0 2.5rem; }
.eyebrow {
  color: var(--accent); text-transform: uppercase; letter-spacing: .14em;
  font-size: .72rem; margin: 0 0 .75rem; font-weight: 600;
}
.hero h1, .login-card h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400; font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08; margin: 0 0 1rem;
}
.lede { color: var(--muted); font-size: 1.08rem; line-height: 1.55; max-width: 38ch; margin: 0 0 1.5rem; }
.lede.small { font-size: .95rem; max-width: none; }
.cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: 1rem; }
.hint { color: var(--muted); font-size: .85rem; margin: 0; }
.hint.center { text-align: center; margin-top: 1.25rem; }
.hint a { color: var(--accent2); text-decoration: none; }
.hint a:hover { text-decoration: underline; }

.features {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem; margin-top: 1rem;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent), var(--card);
  border: 1px solid var(--line); border-radius: 18px; padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 .45rem; font-size: 1.05rem; }
.card p { margin: 0 0 1rem; color: var(--muted); font-size: .92rem; line-height: 1.5; }
.track-card .btn { margin-top: .25rem; }

.foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem;
  max-width: 1040px; margin: 0 auto; padding: 1.5rem;
  color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line);
}
.foot a { color: var(--accent2); text-decoration: none; }

/* Login */
.login-wrap {
  display: grid; place-items: center; min-height: calc(100vh - 100px);
  padding: 1rem 1.5rem 3rem;
}
.login-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,.04), transparent), var(--card);
  border: 1px solid var(--line); border-radius: 22px;
  padding: 2rem 1.75rem 1.75rem; box-shadow: var(--shadow);
}
.login-card h1 { font-size: 2.2rem; margin-bottom: .5rem; }
.login-form { display: grid; gap: 1rem; margin-top: 1.25rem; }
.login-form label { display: grid; gap: .35rem; font-size: .85rem; color: var(--muted); font-weight: 500; }
.login-form input {
  width: 100%; padding: .75rem .9rem; border-radius: 12px;
  border: 1px solid var(--line); background: #0b1324; color: var(--text);
  font: inherit; outline: none;
}
.login-form input:focus { border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(96,165,250,.2); }
.form-error {
  margin: 0; padding: .65rem .8rem; border-radius: 10px;
  background: rgba(248,113,113,.12); color: #fecaca; border: 1px solid rgba(248,113,113,.35);
  font-size: .88rem;
}

@media (max-width: 560px) {
  .nav-sub { display: none; }
  .hero { padding-top: .5rem; }
}