/* ==========================================================================
   COSMIC AEI — Landing page styles
   Dark cosmic theme. Ocean-blue + sun-gold + warm white.
   ========================================================================== */

:root {
  --bg-deep: #050912;
  --bg-mid: #0a1428;
  --border-faint: #1a2540;
  --border-blue: #185FA5;
  --text-primary: #F4FAFE;
  --text-secondary: #B5D4F4;
  --text-muted: #85B7EB;
  --text-dim: #5F7BA8;
  --accent-gold: #FFC857;
  --accent-gold-light: #FFE08A;
  --accent-coral: #D85A30;
  --accent-blue: #378ADD;
  --accent-teal: #5DCAA5;
  --accent-teal-soft: #9FE1CB;
  --accent-coral-soft: #F0997B;
  --radius-md: 8px;
  --radius-lg: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Navigation ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  border-bottom: 0.5px solid var(--border-faint);
  position: sticky;
  top: 0;
  background: rgba(5, 9, 18, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 12px rgba(55, 138, 221, 0.35);
}

.nav-wordmark {
  font-size: 15px;
  font-weight: 500;
  color: var(--accent-gold);
  letter-spacing: 1.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.nav-links a.nav-cta {
  color: var(--accent-gold);
}

.lang-toggle {
  display: flex;
  border: 0.5px solid var(--border-blue);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-left: 6px;
}

.lang-btn {
  padding: 4px 10px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: background 0.2s, color 0.2s;
}

.lang-btn.active {
  background: var(--border-blue);
  color: var(--text-primary);
}

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 2rem 4.5rem;
  text-align: center;
  background: radial-gradient(
    ellipse at center top,
    rgba(24, 95, 165, 0.25) 0%,
    rgba(5, 9, 18, 0) 70%
  );
}

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 2rem;
  display: block;
  box-shadow:
    0 0 30px rgba(55, 138, 221, 0.5),
    0 0 60px rgba(216, 90, 48, 0.2);
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0 0 1.75rem;
}

.eyebrow.gold { color: var(--accent-gold); }
.eyebrow.blue { color: var(--accent-blue); }

.hero-line1,
.hero-line2 {
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 500;
  line-height: 1.3;
  max-width: 580px;
  margin: 0 auto 0.5rem;
}

.hero-line1 { color: var(--text-primary); }

.hero-line2 {
  color: var(--accent-gold);
  font-style: italic;
  margin-bottom: 2rem;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.cta-button,
.submit-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-coral) 100%);
  color: #042C53;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(255, 200, 87, 0.3);
  transition: transform 0.15s, box-shadow 0.2s;
}

.cta-button:hover,
.submit-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(255, 200, 87, 0.45);
}

.cta-button:active,
.submit-button:active {
  transform: translateY(0);
}

.hero-disclaimer {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 1.25rem;
  letter-spacing: 0.5px;
}

/* ---------- Sections ---------- */
.section {
  padding: 4.5rem 2rem;
  text-align: center;
  border-top: 0.5px solid var(--border-faint);
}

.section-deep {
  background: linear-gradient(
    180deg,
    var(--bg-deep) 0%,
    var(--bg-mid) 50%,
    var(--bg-deep) 100%
  );
}

.section-invite {
  background: radial-gradient(
    ellipse at center,
    rgba(24, 95, 165, 0.25) 0%,
    rgba(5, 9, 18, 0) 70%
  ),
  var(--bg-deep);
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section h2 {
  font-size: clamp(22px, 4vw, 26px);
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 1.75rem;
}

.body-text {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 1.25rem;
  line-height: 1.9;
}

.body-text:last-of-type {
  margin-bottom: 0;
}

.gold { color: var(--accent-gold); }
.gold-italic {
  color: var(--accent-gold);
  font-style: italic;
}

/* ---------- Cards (How it works) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.card {
  background: rgba(24, 95, 165, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  border: 0.5px solid;
  text-align: left;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
}

.card-blue {
  border-color: var(--border-blue);
  box-shadow: 0 0 20px rgba(55, 138, 221, 0.1);
}

.card-teal {
  border-color: #1D9E75;
  background: rgba(15, 110, 86, 0.1);
  box-shadow: 0 0 20px rgba(29, 158, 117, 0.1);
}

.card-gold {
  border-color: var(--accent-coral);
  background: rgba(216, 90, 48, 0.1);
  box-shadow: 0 0 20px rgba(255, 200, 87, 0.1);
}

.card-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 0.5px solid;
}

.card-blue .card-icon {
  background: rgba(55, 138, 221, 0.18);
  border-color: var(--accent-blue);
  color: var(--text-secondary);
}

.card-teal .card-icon {
  background: rgba(29, 158, 117, 0.2);
  border-color: var(--accent-teal);
  color: var(--accent-teal-soft);
}

.card-gold .card-icon {
  background: rgba(255, 200, 87, 0.18);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.card-icon i {
  font-size: 18px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-blue .card-title { color: var(--text-secondary); }
.card-teal .card-title { color: var(--accent-teal-soft); }
.card-gold .card-title { color: var(--accent-gold); }

.card-body {
  font-size: 12.5px;
  margin: 0;
  line-height: 1.7;
}

.card-blue .card-body { color: var(--text-muted); }
.card-teal .card-body { color: var(--accent-teal); }
.card-gold .card-body { color: var(--accent-coral-soft); }

.how-caption {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 2.25rem auto 0;
  line-height: 1.7;
  font-style: italic;
}

/* ---------- Invite form ---------- */
.invite-form {
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.invite-form input[type="email"],
.invite-form input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border-blue);
  background: rgba(24, 95, 165, 0.08);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.invite-form input::placeholder {
  color: var(--text-dim);
}

.invite-form input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(255, 200, 87, 0.15);
}

.submit-button {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

.hidden-field {
  display: none;
}

.form-success {
  max-width: 400px;
  margin: 0 auto;
  padding: 1.5rem;
  background: rgba(255, 200, 87, 0.08);
  border: 0.5px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  color: var(--accent-gold);
  font-size: 15px;
}

.inv-disclaimer {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2.25rem;
  letter-spacing: 0.3px;
}

/* ---------- Footer ---------- */
.footer {
  padding: 1.5rem 2rem;
  border-top: 0.5px solid var(--border-faint);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav {
    padding: 1rem 1.25rem;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding: 3.5rem 1.5rem 3rem;
  }

  .hero-logo {
    width: 90px;
    height: 90px;
  }

  .section {
    padding: 3.5rem 1.5rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav-wordmark {
    font-size: 13px;
    letter-spacing: 1px;
  }

  .hero-line1,
  .hero-line2 {
    font-size: 26px;
  }
}

/* ==========================================================================
   LAUNCH BUTTONS — added for two-product landing
   ========================================================================== */

.launch-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 520px;
  margin: 32px auto 24px;
  width: 100%;
}

@media (min-width: 720px) {
  .launch-buttons {
    flex-direction: row;
    max-width: 720px;
    gap: 20px;
  }
}

.launch-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  padding: 22px 24px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.launch-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  transition: opacity 0.25s ease;
  opacity: 0.7;
}

.launch-btn-purple::before {
  background: linear-gradient(90deg, #a78bfa, #c4b5fd);
}

.launch-btn-teal::before {
  background: linear-gradient(90deg, #38bdf8, #67e8f9);
}

.launch-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.launch-btn:hover::before {
  opacity: 1;
}

.launch-btn-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}

.launch-btn-eyebrow {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 215, 0, 0.7);
}

.launch-btn-purple .launch-btn-eyebrow {
  color: rgba(167, 139, 250, 0.85);
}

.launch-btn-teal .launch-btn-eyebrow {
  color: rgba(56, 189, 248, 0.85);
}

.launch-btn-title {
  font-size: 20px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.launch-btn-sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.02em;
}

.launch-btn i {
  font-size: 22px;
  color: rgba(255, 255, 255, 0.5);
  transition: transform 0.25s ease, color 0.25s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.launch-btn:hover i {
  transform: translateX(4px);
  color: #ffffff;
}

/* Launch section spacing */
.section-launch {
  text-align: center;
  padding-top: 80px;
  padding-bottom: 80px;
}

.section-launch .launch-buttons {
  margin-top: 40px;
  margin-bottom: 32px;
}

/* TEMP: hide FR toggle until encoding fix */
.lang-toggle { display: none !important; }