:root {
  --bg: #0b1220;
  --bg-soft: #111a2c;
  --panel: rgba(17, 26, 44, 0.8);
  --panel-border: rgba(148, 163, 184, 0.2);
  --text: #e5eefb;
  --muted: #9fb0ca;
  --accent: #61dafb;
  --accent-strong: #7c9cff;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 156, 255, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(97, 218, 251, 0.12), transparent 25%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(820px, calc(100% - 32px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(11, 18, 32, 0.75);
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}

.site-header .container,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header .container {
  min-height: 72px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.hero {
  padding: 88px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.eyebrow,
.section-label,
.card-label {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0 0 16px;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.2rem;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.08rem;
}

.lead.compact {
  max-width: 860px;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #041222;
}

.button.secondary {
  border: 1px solid rgba(148, 163, 184, 0.32);
  color: var(--white);
}

.hero-card,
.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 24px;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.cards {
  display: grid;
  gap: 20px;
  margin-top: 30px;
}

.cards.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  padding: 24px;
}

.card p,
.hero-card p {
  margin: 0;
  color: var(--muted);
}

.principles {
  margin: 28px 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.principles li + li {
  margin-top: 12px;
}

.waitlist-form {
  margin-top: 20px;
}

.waitlist-row {
  display: flex;
  gap: 8px;
}

.waitlist-row input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 0 14px;
  height: 44px;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,0.28);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.waitlist-row input[type="email"]:hover {
  border-color: rgba(255,255,255,0.45);
}

.waitlist-row input[type="email"]::placeholder {
  color: var(--muted);
}

.waitlist-row input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(97,218,251,0.2);
}

.waitlist-row button {
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #041222;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s ease;
}

.waitlist-row button:hover {
  transform: translateY(-1px);
}

.waitlist-row button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.waitlist-msg {
  margin: 10px 0 0;
  font-size: 0.88rem;
  min-height: 1.4em;
}

.waitlist-msg.ok  { color: var(--accent); }
.waitlist-msg.err { color: #f87171; }

.site-footer {
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ── Privacy Policy ── */
.policy-title {
  font-size: 1.2rem !important;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.policy-body {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text);
}

.policy-body h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 2.2rem 0 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--panel-border);
}

.policy-body h2:first-child {
  margin-top: 0;
}

.policy-body p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.policy-body ul {
  margin: 0.6rem 0 0;
  padding-left: 1.4rem;
  color: var(--muted);
}

.policy-body li {
  margin-bottom: 0.35rem;
}

.policy-body strong {
  color: var(--text);
  font-weight: 600;
}

.policy-body code {
  font-family: monospace;
  font-size: 0.85em;
  background: rgba(255,255,255,0.07);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

.policy-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.policy-history {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--panel-border);
}

.policy-history-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted) !important;
  margin: 0 0 0.5rem !important;
}

.policy-history ul {
  margin: 0 !important;
  font-size: 0.85rem;
}

.policy-history li {
  color: var(--muted);
  margin-bottom: 0.2rem !important;
}

/* ── Contact Form ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-row label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.form-row input,
.form-row textarea {
  background: var(--card-bg);
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  padding: 0.65rem 0.9rem;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
  resize: vertical;
}

.form-row input:hover,
.form-row textarea:hover {
  border-color: rgba(255,255,255,0.45);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.25);
}

.optional {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: 4px;
}

.required {
  font-size: 0.75rem;
  font-weight: 400;
  color: #f87171;
  margin-left: 4px;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 8px;
}

@media (max-width: 900px) {
  .hero-grid,
  .cards.three,
  .cards.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header .container,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .hero {
    padding-top: 64px;
  }
}