:root {
  --bg: #020817;
  --bg-soft: #0b1224;
  --surface: rgba(17, 34, 64, 0.88);
  --surface-strong: rgba(18, 41, 76, 0.96);
  --text: #ffffff;
  --text-muted: #b0bec5;
  --line: rgba(255, 255, 255, 0.1);
  --blue: #2196f3;
  --blue-deep: #1565c0;
  --gold: #ffd700;
  --green: #4caf50;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --container: 1100px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter, Outfit, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(33, 150, 243, 0.22), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 215, 0, 0.14), transparent 28%),
    linear-gradient(180deg, #06101f 0%, var(--bg) 52%, #081224 100%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(2, 8, 23, 0.78);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 12px;
}

.brand span {
  background: linear-gradient(135deg, #69b9ff 0%, #ffd54f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-muted);
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

main {
  padding: 40px 0 72px;
}

.hero {
  padding: 56px 0 28px;
}

.hero-card,
.content-card,
.feature-card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-strong) 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 42px;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.18), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  color: #d9ecff;
  background: rgba(33, 150, 243, 0.14);
  border: 1px solid rgba(105, 185, 255, 0.2);
  font-size: 0.92rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  max-width: 700px;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.hero p,
.page-intro,
.placeholder-copy {
  color: var(--text-muted);
}

.hero p {
  max-width: 620px;
  margin: 18px 0 0;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.playstore-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  color: #05111f;
  background: linear-gradient(135deg, #7ce38b 0%, #31b44a 100%);
  box-shadow: 0 16px 30px rgba(76, 175, 80, 0.28);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.playstore-button:hover,
.playstore-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(76, 175, 80, 0.34);
}

.hero-note {
  margin-top: 14px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.72);
}

.section {
  padding-top: 34px;
}

.section-header {
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.section-header p {
  margin: 10px 0 0;
  color: var(--text-muted);
}

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

.feature-card {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border-radius: 14px;
  color: #06101f;
  background: linear-gradient(135deg, #ffd54f 0%, #ffb300 100%);
  font-weight: 800;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.97rem;
}

.content-card {
  border-radius: 28px;
  padding: 32px;
}

.content-card h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-intro {
  margin: 14px 0 0;
  max-width: 720px;
}

.placeholder-block {
  margin-top: 28px;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.03);
}

.placeholder-block h2 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.placeholder-block p {
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 38px;
  background: rgba(1, 6, 16, 0.65);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.64);
}

.footer-copy img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text);
}

@media (max-width: 820px) {
  .hero-card,
  .content-card {
    padding: 28px 22px;
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    padding-top: 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .playstore-button {
    width: 100%;
  }
}