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

:root {
  --bg: #080808;
  --text: #f0ede8;
  --muted: #6b6863;
  --accent: #4af8bd;
  --accent-dim: #2fd9a0;
  --border: rgba(255, 255, 255, 0.08);
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

html, body {
  height: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  position: relative;
}

@media (min-width: 1025px) {
  body {
    overflow-x: hidden;
  }
}

/* Elegant multi-layer gradient */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(74, 248, 189, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(74, 248, 189, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 70%, rgba(20, 60, 50, 0.2) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Subtle film-grain noise */
.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
}

main {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 24px;
}

/* Header */
header {
  padding: 20px 0;
  display: flex;
  align-items: center;
}

.logo img {
  height: 44px;
  width: auto;
  display: block;
}

/* Hero */
.hero {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 480px 1fr;
  align-items: center;
  padding: 20px 0 40px;
  width: 100%;
}

.hero-content {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Mockups */
.mockup {
  display: flex;
  align-items: center;
  min-width: 0;
}

.mockup-left {
  grid-column: 1;
  justify-content: flex-end;
}

.mockup-right {
  grid-column: 3;
  justify-content: flex-start;
}

.mockup img {
  width: 100%;
  height: auto;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 28px;
  display: block;
  transform: scale(1.08);
  filter: drop-shadow(0 40px 80px rgba(74, 248, 189, 0.1)) drop-shadow(0 8px 32px rgba(0, 0, 0, 0.7));
}

/* Desktop: hide mobile-only elements */
.mobile-mockup-img {
  display: none;
}

.mobile-desc {
  display: none;
}

.version-tag {
  display: none;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(74, 248, 189, 0.25);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 40px;
}

h1 {
  font-size: clamp(56px, 10vw, 96px);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text);
}

h1 em {
  font-style: italic;
  color: var(--text);
  white-space: nowrap;
}

.feature-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  width: 100%;
  max-width: 420px;
}

.feature-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(74, 248, 189, 0.3));
}

.feature-title .feature-line:last-child {
  background: linear-gradient(to left, transparent, rgba(74, 248, 189, 0.3));
}

.feature-name {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

.subtitle {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--muted);
  max-width: 420px;
  margin-bottom: 56px;
}

.subtitle strong {
  font-weight: 500;
  color: var(--accent);
}

/* Email form */
.email-form {
  width: 100%;
  max-width: 420px;
}

.input-group {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  transition: border-color 0.2s;
}

.input-group:focus-within {
  border-color: rgba(74, 248, 189, 0.3);
}

input[type="email"] {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 300;
  padding: 10px 12px;
  min-width: 0;
}

input[type="email"]::placeholder {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

button[type="submit"] {
  position: relative;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #062018;
  border: none;
  border-radius: 9px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 11px 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: box-shadow 0.25s ease, transform 0.15s ease, filter 0.2s ease;
  flex-shrink: 0;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.35) inset,
    0 0 0 1px rgba(74, 248, 189, 0.35),
    0 8px 24px -8px rgba(74, 248, 189, 0.35);
}

button[type="submit"]:hover {
  filter: brightness(1.05);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.4) inset,
    0 0 0 1px rgba(74, 248, 189, 0.5),
    0 10px 32px -6px rgba(74, 248, 189, 0.55);
}

button[type="submit"]:active {
  transform: scale(0.97);
}

.disclaimer {
  margin-top: 14px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

/* Success state */
.email-form.success .input-group {
  display: none;
}

.email-form.success::before {
  content: "You're on the list.";
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: var(--accent);
  text-align: center;
  padding: 16px 0 2px;
}

.email-form.success .disclaimer {
  text-align: center;
  margin-top: 4px;
}

/* ============================
   Mobile / tablet (≤1024px)
   ============================ */
@media (max-width: 1024px) {
  html, body {
    overflow: hidden;
    height: 100dvh;
  }

  .mockup { display: none; }
  .subtitle { display: none; }
  .logo { display: none; }
  header { display: none; }

  .hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    height: 100dvh;
    overflow: hidden;
    padding-top: max(12px, env(safe-area-inset-top));
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    padding: 0 12px;
    flex: 1;
    min-height: 0;
  }

  .badge { display: none !important; }

  .version-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.18em;
    color: var(--muted);
    text-transform: uppercase;
    padding: 4px 11px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.02);
    margin: 4px 0 12px;
    flex: 0 0 auto;
  }

  .version-tag .dot {
    color: var(--accent);
    font-family: inherit;
  }

  h1 {
    font-size: clamp(34px, 10.5vw, 46px);
    font-weight: 300;
    line-height: 1.02;
    letter-spacing: -0.025em;
    margin: 0 0 8px;
  }

  .feature-title {
    margin: 4px 0 0;
    width: 100%;
    max-width: 320px;
    align-self: center;
    justify-content: center;
    gap: 14px;
  }

  .feature-name {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.24em;
  }

  .feature-line {
    flex: 1 1 30px;
    min-width: 24px;
    height: 1px;
    background: linear-gradient(to left, transparent, rgba(74, 248, 189, 0.55));
  }

  .feature-title .feature-line:last-child {
    background: linear-gradient(to right, transparent, rgba(74, 248, 189, 0.55));
  }

  .mobile-desc {
    display: block;
    font-size: 11.5px;
    font-weight: 300;
    line-height: 1.55;
    color: var(--muted);
    text-align: center;
    margin-top: 10px;
    padding: 0 4px;
  }

  .mobile-desc strong {
    color: var(--accent);
    font-weight: 500;
  }

  /* Mockup + form column stack */
  .mobile-mockup-wrap {
    position: relative;
    flex: 1 1 0;
    min-height: 0;
    width: calc(100% + 24px);
    max-width: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    margin-top: 0;
    gap: 10px;
    overflow: visible;
    z-index: 1;
    transform: translateY(-38px);
  }

  .mobile-mockup-img {
    display: block;
    flex: 1 1 0;
    min-height: 0;
    width: 95%;
    max-width: 95%;
    max-height: 100%;
    height: auto;
    object-fit: contain;
    object-position: center bottom;
    border-radius: 24px;
  }

  /* Form sits below mockup, above bottom safe area */
  .email-form {
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
    margin-top: 5px;
    width: 100%;
    max-width: 332px;
    background: linear-gradient(180deg, rgba(18, 18, 18, 0.92) 0%, rgba(6, 6, 6, 0.96) 100%);
    border-radius: 16px;
    padding: 12px;
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.04) inset,
      0 18px 48px rgba(0, 0, 0, 0.55),
      0 0 0 1px rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .email-form::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(180deg, rgba(74, 248, 189, 0.32) 0%, rgba(255, 255, 255, 0.05) 45%, rgba(255, 255, 255, 0.02) 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
  }

  .input-group {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.09);
    border-radius: 10px;
  }

  .disclaimer { display: none; }
}

/* Phone-specific tweaks */
@media (max-width: 480px) {
  .input-group {
    flex-direction: column;
    gap: 6px;
  }

  button[type="submit"] {
    width: 100%;
    padding: 12px;
  }
}