:root {
  --bg: #0b0b0c;
  --text: #e9e9ec;
  --muted: #b3b3b6;
  --card: #141416;
  --accent: #2f80ed;
  --link: #7ab6ff;
  --link-hover: #a6cbff;
  --link-border: rgba(122, 182, 255, 0.5);
  --link-border-hover: rgba(166, 203, 255, 0.7);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  background-color: var(--bg);
}

body {
  margin: 0;
  font-family: "Manrope", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100vh; /* fallback */
  min-height: 100dvh; /* account for iOS browser UI */
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1200px 800px at 50% -20%, #15151a 0%, rgba(11,11,12,0) 60%),
    radial-gradient(900px 600px at 85% 10%, rgba(47,128,237,0.18) 0%, rgba(47,128,237,0) 60%),
    radial-gradient(700px 500px at 10% 30%, rgba(168,85,247,0.14) 0%, rgba(168,85,247,0) 60%),
    linear-gradient(180deg, #0c0c10 0%, #0b0b0e 45%, #0b0b0c 100%);
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid var(--link-border);
  transition: color .2s ease, border-color .2s ease;
}

a:hover,
a:focus-visible {
  color: var(--link-hover);
  border-bottom-color: var(--link-border-hover);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8vh 16px 16vh;
  gap: 24px;
}

.hero { padding-top: calc(8vh + env(safe-area-inset-top)); }
.site-footer { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }

.email-form {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 8px;
  width: min(90vw, 560px);
  min-height: 56px;
  padding: 6px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #111116, #0e0e13);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 8px 26px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(255,255,255,0.04);
  overflow: hidden;
}

.email-form input[type="email"] {
  background: transparent;
  color: var(--text);
  border: none;
  outline: none;
  padding: 14px 18px;
  border-radius: 9999px 0 0 9999px;
  font-size: clamp(18px, 5vmin, 22px);
  line-height: 1.2;
  flex: 1 1 auto;
  min-width: 0;
}

.email-form input::placeholder {
  color: #8b8b92;
}

.email-form button[type="submit"] {
  background: linear-gradient(180deg, #2d2d33, #1a1a1f);
  color: #fff;
  font-weight: 800;
  border: none;
  border-radius: 9999px;
  padding: 14px 20px;
  cursor: pointer;
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.04);
  font-size: clamp(14px, 4vmin, 18px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.email-form button[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(255,255,255,0.06);
}

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

.is-hidden {
  display: none !important;
}

.app-icon {
  width: min(60vmin, 260px);
  height: auto;
  border-radius: 22%;
  box-shadow: 0 12px 40px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(255,255,255,0.06);
}

h1 {
  margin: 8px 0 0;
  font-size: clamp(40px, 8vmin, 72px);
  color: #F9EDED;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0;
  font-size: clamp(20px, 3.8vmin, 30px);
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding: 14px 22px;
  border-radius: 9999px;
  background: linear-gradient(180deg, #2d2d33, #1a1a1f);
  color: #fff;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: .2px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  line-height: 1.1;
  text-align: center;
}

.badge::before {
  content: "📱";
  display: inline-block;
  font-size: 22px;
  line-height: 1;
}

.site-footer {
  text-align: center;
  padding: 24px 16px 96px;
  color: #8c93a3;
  font-size: 18px;
  font-weight: 600;
}

@media (min-width: 768px) {
  .hero { gap: 28px; }
  .badge { font-size: 20px; padding: 16px 26px; }
}

@media (min-width: 1024px) {
  .site-footer { padding-bottom: 140px; }
}

@media (max-width: 480px) {
  .email-form { width: 100%; min-height: 64px; padding: 6px; }
  .email-form input[type="email"] { font-size: 18px; padding: 16px 18px; }
  .email-form button[type="submit"] { padding: 14px 18px; }
  .btn-text { display: none; }
  .btn-emoji { display: inline-block; font-size: 18px; }
}