/* Base styles */
:root {
  --bg: #ffffff;
  --bg-alt: #ffffff;
  --text: #0a0a0a;
  --muted: #3a3a3a;
  --primary: #0a0a0a;
  --primary-contrast: #ffffff;
  --card: #ffffff;
  --border: #e5e7eb;
  --success: #15803d;
  --danger: #dc2626;
}

/* Light theme */
:root.light {
  --bg: #ffffff;
  --bg-alt: #f7f9fc;
  --text: #17223b;
  --muted: #455a7d;
  --primary: #2858ff;
  --primary-contrast: #ffffff;
  --card: #ffffff;
  --border: #dbe3f4;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(160%) blur(8px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}
.logo { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.logo-text { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.logo-image { height: clamp(28px, 6vw, 40px); width: auto; display: block; }
.badge {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--primary) 35%, #ffffff 12%), var(--primary));
  color: var(--primary-contrast);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px -8px color-mix(in oklab, var(--primary) 40%, #000 20%);
}
.btn:hover {
  filter: brightness(1.05);
}
.btn:active { transform: translateY(1px); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-sm { padding: 0.5rem 0.75rem; }

/* Hero */
.hero { padding: 0 0 3.5rem 0; text-align: center; }
.hero.premium { background: var(--bg); }
.hero h1 {
  margin: 0 0 0.75rem 0;
  font-size: clamp(2rem, 3.2vw + 1rem, 3.5rem);
}
.lead { color: var(--muted); font-size: 1.125rem; }
.actions { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1rem; }

/* Brand mark */
.brand-mark { display: flex; justify-content: center; margin-bottom: 1.25rem; }
.brand-mark img { width: clamp(220px, 40vw, 420px); height: auto; max-width: 100%; }

/* Countdown */
.countdown { display: flex; gap: 1rem; justify-content: center; margin: 1.25rem 0; }
.countdown .time { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 0.75rem 1rem; min-width: 82px; }
.countdown .time span { display: block; font-size: 1.5rem; font-weight: 700; }
.countdown .time label { display: block; color: var(--muted); font-size: 0.8rem; }

/* Notify form */
.notify-form { display: inline-flex; gap: 0.5rem; margin-top: 0.5rem; flex-wrap: wrap; }
.notify-form input {
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 85%, #ffffff 10%);
  color: var(--text);
  width: min(360px, 70vw);
}
.notify-form input::placeholder { color: var(--muted); }
/* Make the optional note narrower on large screens */
#notifyMessage { width: min(260px, 60vw); }
/* Notify button: outline-only style */
.notify-form .btn {
  background: goldenrod;
  color: var(--text);
  box-shadow: none;
}
/* Notify button hover: remove darkening, add subtle zoom */
.notify-form .btn:hover {
  filter: none;
  transform: scale(1.03);
}
.notify-form .btn:active {
  transform: scale(1.02);
}

/* Sections */
.section { padding: 3rem 0; }
.section.alt { background: var(--bg-alt); }

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
}

/* Mobile & tablet responsiveness */
@media (max-width: 768px) {
  .header-inner { padding: 0.6rem 0; }
  .hero { padding: 0.75rem 0 2rem 0; }
  .hero h1 { font-size: clamp(1.6rem, 5.2vw + 0.6rem, 2.4rem); }
  .lead { font-size: 1rem; }
  .countdown { gap: 0.5rem; }
  .countdown .time { padding: 0.6rem 0.75rem; min-width: 72px; }
  .notify-form { width: 100%; justify-content: center; }
  .notify-form input { width: 100%; max-width: 500px; }
  #notifyMessage { width: 100%; max-width: 500px; }
  .notify-form .btn { width: 100%; max-width: 220px; }
}

@media (max-width: 480px) {
  .brand-mark img { width: clamp(160px, 62vw, 320px); }
  .countdown .time { min-width: 64px; }
  .container { width: 94%; }
}

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 8px 24px -10px rgba(0,0,0,0.35);
}
.card h3 { margin-top: 0; }
.card p { color: var(--muted); }

/* Contact form */
.contact-form { display: grid; gap: 1rem; max-width: 700px; }
.form-row { display: grid; gap: 0.5rem; }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 85%, #ffffff 10%);
  color: var(--text);
}
.form-row input::placeholder, .form-row textarea::placeholder { color: var(--muted); }
.error { color: var(--danger); min-height: 1.25rem; }
.form-actions { display: flex; gap: 0.75rem; }
.form-result { margin-top: 1rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.footer-inner {
  padding: 2rem 0;
  color: var(--muted);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}
.footer-inner span {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}