/* ============================================================
   Latinum CTIA 2026 — Demo Landing Page Styles
   Branding: Gold (#C9A84C) + Black (#0D0D0D) + White (#FAFAFA)
   ============================================================ */

:root {
  --gold:        #C9A84C;
  --gold-light:  #E0C070;
  --gold-dark:   #A07830;
  --black:       #0D0D0D;
  --dark:        #1A1A1A;
  --dark-card:   #222222;
  --border:      #333333;
  --text:        #FAFAFA;
  --text-muted:  #AAAAAA;
  --error:       #E05555;
  --success:     #4CAF50;
  --radius:      8px;
  --shadow:      0 4px 24px rgba(0,0,0,0.6);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--black);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 0 1rem;
}

/* ---------- Language Toggle Bar ---------- */
.lang-bar {
  width: 100%;
  max-width: 520px;
  display: flex;
  justify-content: flex-end;
  padding: 1rem 0 0;
}

.lang-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:first-child { border-right: 1px solid var(--border); }

.lang-btn.active,
.lang-btn:hover {
  background: var(--gold);
  color: var(--black);
}

/* ---------- Card ---------- */
.card {
  width: 100%;
  max-width: 520px;
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  margin: 1.5rem 0 2rem;
  box-shadow: var(--shadow);
}

/* ---------- Logo / Branding ---------- */
.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
  gap: 0.5rem;
}

.brand-logo {
  width: 64px;
  height: 64px;
}

.brand-wordmark {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Event Badge ---------- */
.event-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--black);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}

/* ---------- Headings ---------- */
h1.page-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  line-height: 1.25;
  margin-bottom: 0.6rem;
}

p.page-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
  margin-bottom: 1.8rem;
}

/* ---------- Form ---------- */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-group input[type="email"] {
  width: 100%;
  background: var(--dark);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input[type="email"]::placeholder {
  color: #555;
}

.form-group input[type="email"]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.2);
}

.form-group input[type="email"].invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(224,85,85,0.15);
}

/* ---------- Error / Status Messages ---------- */
.field-error {
  font-size: 0.78rem;
  color: var(--error);
  margin-top: 0.35rem;
  min-height: 1.1rem;
  display: none;
}
.field-error.visible { display: block; }

.form-status {
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
}
.form-status.error   { background: rgba(224,85,85,0.12);  border: 1px solid var(--error);   color: var(--error);   display: block; }
.form-status.info    { background: rgba(201,168,76,0.10); border: 1px solid var(--gold);     color: var(--gold);   display: block; }

/* ---------- Submit Button ---------- */
.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--black);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.85rem 1rem;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: opacity 0.2s, transform 0.15s;
  margin-top: 0.4rem;
}
.btn-submit:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.btn-submit:active:not(:disabled){ transform: translateY(0); }
.btn-submit:disabled { opacity: 0.45; cursor: not-allowed; }

/* Spinner inside button */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Privacy Note ---------- */
.privacy-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1.2rem;
  line-height: 1.5;
}
.privacy-note a { color: var(--gold); text-decoration: none; }

/* ============================================================
   SUCCESS VIEW
   ============================================================ */
.success-view { text-align: center; }

.success-icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

h2.success-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

p.success-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  line-height: 1.6;
}

/* Demo URL box */
.demo-url-box {
  background: var(--dark);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.demo-url-text {
  font-size: 0.88rem;
  color: var(--gold-light);
  word-break: break-all;
  flex: 1;
}

.btn-copy {
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: 5px;
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
  flex-shrink: 0;
}
.btn-copy:hover { opacity: 0.85; }

/* Countdown timer */
.countdown-wrapper {
  margin-bottom: 1.8rem;
}

.countdown-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.countdown-timer {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 56px;
}

.countdown-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-name {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.countdown-sep {
  font-size: 1.8rem;
  color: var(--gold-dark);
  align-self: flex-start;
  margin-top: 0.1rem;
  font-weight: 300;
}

/* Launch button */
.btn-launch {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--black);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: opacity 0.2s, transform 0.15s;
  margin-bottom: 1rem;
}
.btn-launch:hover { opacity: 0.9; transform: translateY(-1px); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1rem 0 2rem;
  opacity: 0.7;
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 540px) {
  .card {
    padding: 2rem 1.25rem;
    border-radius: 12px;
  }

  h1.page-title { font-size: 1.3rem; }

  .countdown-value { font-size: 1.6rem; }
  .countdown-unit  { min-width: 44px; }

  .demo-url-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-copy { width: 100%; text-align: center; }
}

@media (max-width: 360px) {
  body { padding: 0 0.5rem; }
  .card { padding: 1.5rem 1rem; }
  .countdown-timer { gap: 0.4rem; }
  .countdown-sep { display: none; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden { display: none !important; }