:root {
  --bg: #0b1020;
  --bg2: #0f172a;
  --card: rgba(17, 24, 39, 0.72);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e5eefc;
  --muted: #a9b7d3;
  --primary: #4f46e5;
  --accent: #22d3ee;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(34, 211, 238, 0.14), transparent 26%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg2) 100%);
  background-color: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(34, 211, 238, 0.14), transparent 26%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg2) 100%);
  background-color: var(--bg);
  background-repeat: no-repeat;
  background-size: cover;
  overflow-x: hidden;
}

.bg-orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.35;
  z-index: 0;
}

.orb-1 {
  width: 280px;
  height: 280px;
  background: rgba(79, 70, 229, 0.4);
  top: -60px;
  left: -60px;
}

.orb-2 {
  width: 320px;
  height: 320px;
  background: rgba(34, 211, 238, 0.25);
  bottom: -100px;
  right: -80px;
}

.container {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.hero {
  text-align: center;
  padding: 40px 18px 12px;
}

.hero-compact {
  min-height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.main-hero-logo {
  width: 140px;
  height: 140px;
  object-fit: contain;
  border-radius: 30px;
  margin-bottom: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

.brand-name {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-name.large {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 8px;
}

.brand-tagline {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 20px;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.subtitle {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.12rem);
  line-height: 1.7;
}

.subtitle.compact {
  width: min(640px, 100%);
  margin: 0 auto;
}

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 14px 20px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease, opacity 0.18s ease, border-color 0.18s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.28);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--card-border);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 36px 0 52px;
}

.card,
.notify-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card {
  padding: 24px;
  text-align: center;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.notify {
  margin-top: 0;
}

.notify-card {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 30px;
  text-align: center;
}

.notify-card h2 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.notify-card p {
  color: var(--muted);
}

.notify-form {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.notify-form input {
  width: min(420px, 100%);
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
}

.notify-form input::placeholder {
  color: #8fa2c5;
}

.form-message {
  min-height: 24px;
  margin-top: 14px;
  color: #b9f1ff;
}

.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  color: #8fa2c5;
  margin-top: 42px;
  font-size: 0.94rem;
}

.dot {
  opacity: 0.6;
}

@media (max-width: 900px) {
  .features {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 36px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 20px, 1100px);
  }

  .main-hero-logo {
    width: 112px;
    height: 112px;
    border-radius: 24px;
  }

  .notify-card,
  .card {
    border-radius: 18px;
  }

  .footer {
    flex-wrap: wrap;
  }
}

@media (min-width: 1100px) {
  .container {
    width: min(1180px, calc(100% - 64px));
  }

  .hero {
    padding-top: 48px;
  }

  .main-hero-logo {
    width: 180px;
    height: 180px;
    border-radius: 36px;
    margin-bottom: 24px;
  }

  .brand-name.large {
    font-size: 3.2rem;
  }

  .brand-tagline {
    font-size: 1.08rem;
  }

  .hero h1 {
    font-size: 5.8rem;
  }

  .subtitle.compact {
    max-width: 720px;
    font-size: 1.14rem;
  }

  .features {
    gap: 22px;
    margin-top: 42px;
  }

  .card {
    min-height: 170px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}