:root {
  --bg: #0a0f16;
  --bg-2: #0d1420;
  --line: rgba(201, 162, 75, 0.14);
  --ink: #eef1f5;
  --ink-dim: #9aa7b8;
  --gold: #c9a24b;
  --gold-bright: #e4c179;
  --font-display: "Cinzel", "Helvetica Neue", serif;
  --font-body: "Montserrat", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% -10%, #16202f 0%, var(--bg) 55%, var(--bg-2) 100%);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
  position: relative;
}

/* Latitude/longitude graticule backdrop */
.graticule {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, var(--line) 0, var(--line) 1px, transparent 1px, transparent 8vh),
    repeating-linear-gradient(90deg, var(--line) 0, var(--line) 1px, transparent 1px, transparent 8vh);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 30%, transparent 75%);
  animation: drift 90s linear infinite;
}

@keyframes drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 -400px, 400px 0; }
}

.wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  padding: 8vh 1.75rem 3rem;
  text-align: center;
}

.logo-mark {
  width: clamp(96px, 20vw, 140px);
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
}

.coord {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--gold);
  opacity: 0.75;
  margin-bottom: 1.75rem;
  text-transform: uppercase;
}

.mark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.mark-line {
  height: 1px;
  width: 2.5rem;
  background: linear-gradient(90deg, transparent, var(--gold));
  opacity: 0.6;
}

.mark .mark-line:last-child {
  background: linear-gradient(90deg, var(--gold), transparent);
}

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.wordmark .accent {
  color: var(--gold-bright);
}

.submark {
  margin: 0.5rem 0 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
}

.tagline {
  margin: 2rem 0 0.6rem;
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sub {
  margin: 0 auto 2.5rem;
  max-width: 420px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-dim);
}

.notify-form {
  display: flex;
  gap: 0.6rem;
  max-width: 420px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.notify-form input[type="email"] {
  flex: 1 1 220px;
  min-width: 0;
  padding: 0.85rem 1.1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(201, 162, 75, 0.3);
  border-radius: 4px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.notify-form input[type="email"]::placeholder {
  color: var(--ink-dim);
}

.notify-form input[type="email"]:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.05);
}

.notify-form button {
  flex: 0 0 auto;
  padding: 0.85rem 1.6rem;
  background: var(--gold);
  color: #10151d;
  border: 1px solid var(--gold);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.notify-form button:hover {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
}

.notify-form button:active {
  transform: translateY(1px);
}

.notify-form.is-success input,
.notify-form.is-success button {
  opacity: 0.5;
  pointer-events: none;
}

.form-message {
  min-height: 1.4em;
  margin: 0.9rem 0 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--gold-bright);
}

.form-message.error {
  color: #e08a8a;
}

.cities {
  margin: 2.5rem 0 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.footer {
  margin-top: 1.25rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  opacity: 0.6;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .graticule {
    animation: none;
  }
}