:root {
  --bg: #020b3a;
  --bg-alt: #050f4e;
  --card-bg: #0b164f;
  --accent: #ff4c85;
  --accent-soft: #ff7ba3;
  --text: #f5f7ff;
  --muted: #9ca5d1;
  --border-soft: #232a6d;
  --btn-bg: #ff4c85;
  --btn-bg-hover: #ff678f;
  --btn-ghost-border: #525b9a;
  --code-bg: #050d3c;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #07145a 0, #000321 52%, #000114 100%);
  color: var(--text);
}

/* HEADER */

.site-header {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.logo-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.logo-text h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
}

.tagline {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav-links {
  display: flex;
  gap: 1.25rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links a:hover {
  color: var(--accent-soft);
}

/* HERO */

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2.25rem;
  align-items: center;
}

.hero-text h2 {
  font-size: 2.1rem;
  margin: 0 0 0.75rem;
}

.hero-text p {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.25rem 0 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
}

.btn.primary {
  background: linear-gradient(135deg, var(--btn-bg), var(--accent-soft));
  color: #fff;
  box-shadow: 0 10px 25px rgba(255, 76, 133, 0.48);
}

.btn.primary:hover {
  background: linear-gradient(135deg, var(--btn-bg-hover), var(--accent-soft));
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--btn-ghost-border);
}

.btn.ghost:hover {
  border-color: var(--accent-soft);
}

.hero-subtext {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
}

.hero-icon-wrap {
  align-self: flex-end;
}

.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
}

.hero-terminal {
  background: linear-gradient(145deg, var(--card-bg), #02092f);
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  background: rgba(3, 8, 40, 0.9);
  border-bottom: 1px solid #141c55;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.35rem;
}

.dot.red {
  background: #ff5f57;
}

.dot.yellow {
  background: #febc2e;
}

.dot.green {
  background: #28c840;
}

.terminal-title {
  margin-left: 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.terminal-body {
  margin: 0;
  padding: 0.9rem 0.9rem 1rem;
  font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: 0.78rem;
  background: radial-gradient(circle at top left, #18247a 0, #050d37 45%, #000321 100%);
  color: #e6e9ff;
  white-space: pre;
}

/* SECTIONS */

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.section-alt {
  background: radial-gradient(circle at top, #070f49 0, #02051e 65%);
}

.section h2 {
  margin-top: 0;
  font-size: 1.7rem;
}

.features-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.feature {
  background: rgba(3, 9, 48, 0.9);
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-soft);
}

.feature h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.feature p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: flex-start;
}

.steps {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.steps li {
  margin-bottom: 0.7rem;
}

.code-card {
  background: rgba(5, 11, 56, 0.95);
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
}

.code-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.code-card pre {
  margin: 0;
  font-family: "Cascadia Code", "Fira Code", Consolas, monospace;
  font-size: 0.78rem;
  background: var(--code-bg);
  border-radius: 10px;
  padding: 0.7rem 0.75rem;
  color: #dde2ff;
}

/* DOWNLOAD */

.download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.download-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: rgba(2, 9, 52, 0.95);
  border-radius: 16px;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.download-note {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.download-footer {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.download-actions {
  text-align: right;
}

.platform-tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(145, 164, 255, 0.12);
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.platform-tag.android {
  background: rgba(0, 200, 140, 0.14);
  color: #5af5c0;
}

/* FOOTER */

.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* RESPONSIVE */

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

  .hero-card {
    order: -1;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    margin-top: 0.5rem;
  }

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

  .download-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .download-actions {
    text-align: left;
  }
}

@media (min-width: 900px) {
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .hero-text h2 {
    font-size: 1.6rem;
  }

  .hero {
    padding-top: 1.5rem;
  }

  .logo-icon {
    width: 44px;
    height: 44px;
  }
}