:root {
  --bg: #0B1220;
  --bg-soft: #0F1830;
  --card: #141F3D;
  --card-border: #223055;
  --text: #EAF0FF;
  --text-dim: #9AAAD1;
  --accent: #6EE7B7;
  --accent-2: #60A5FA;
  --orange: #F97316;
  --radius: 16px;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
  margin-right: auto;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
  border: 1px solid transparent;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #06251A;
}

.btn-ghost {
  background: transparent;
  border-color: var(--card-border);
  color: var(--text);
}

.btn-small {
  padding: 8px 18px;
  font-size: 0.875rem;
  background: var(--accent);
  color: #06251A;
}

/* Hero */
.hero {
  padding: 72px 0 40px;
  background: radial-gradient(circle at 20% 0%, rgba(96,165,250,0.15), transparent 45%),
              radial-gradient(circle at 90% 10%, rgba(110,231,183,0.12), transparent 45%);
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin: 0 0 18px;
}

.lede {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}

.hero-link:hover { color: var(--text); }

.download-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Hero mock dashboard visual */
.mock {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.mock-greeting {
  display: flex;
  flex-direction: column;
}

.mock-time {
  font-size: 1.8rem;
  font-weight: 700;
}

.mock-date {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.mock-weather {
  font-size: 1.3rem;
}

.mock-birthday {
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: #FDBA74;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.mock-day {
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 10px 8px;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mock-day-label {
  color: var(--text-dim);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.mock-pill {
  background: color-mix(in srgb, var(--c) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 45%, transparent);
  color: #fff;
  font-size: 0.7rem;
  padding: 4px 6px;
  border-radius: 6px;
}

.mock-flight {
  font-size: 0.65rem;
  color: var(--accent);
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.3);
  border-radius: 6px;
  padding: 4px 6px;
  margin-top: auto;
}

/* Features */
.features { padding: 90px 0; }

.features h2, .how h2, .setup h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 10px;
  text-align: center;
}

.section-sub {
  color: var(--text-dim);
  text-align: center;
  max-width: 56ch;
  margin: 0 auto 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature-card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.92rem;
}

.feature-card code {
  background: rgba(255,255,255,0.08);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* How it works */
.how {
  padding: 90px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  text-align: center;
  padding: 0 12px;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #06251A;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0;
}

/* Setup */
.setup { padding: 90px 0; }

.setup-inner { max-width: 900px; }

.setup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

.setup-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
}

.setup-card h3 {
  margin: 0 0 14px;
  font-size: 1.05rem;
}

.setup-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.setup-card li { margin-bottom: 8px; }

.setup-card pre {
  background: #06102A;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px;
  overflow-x: auto;
  font-size: 0.85rem;
  margin: 0 0 12px;
}

.setup-note {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
}

/* Footer */
.footer {
  padding: 30px 0 50px;
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-inner a {
  text-decoration: none;
  color: var(--text-dim);
}

.footer-inner a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .setup-grid { grid-template-columns: 1fr; }
  .mock-grid { grid-template-columns: repeat(3, 1fr); }
  .mock-day:nth-child(n+4) { display: none; }
}

@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .mock-grid { grid-template-columns: repeat(2, 1fr); }
}