:root {
  --bg: #0b0c0e;
  --elev: #111317;
  --muted: #0f1115;
  --text: #e6e8eb;
  --sub: #a6adbb;
  --accent: #7c5cff;
  --accent-2: #5ce1e6;
  --border: #1a1d24;
  --brandGrad: linear-gradient(135deg, var(--accent), var(--accent-2));
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f9fafb;
    --elev: #ffffff;
    --muted: #f3f4f6;
    --text: #0b0c0e;
    --sub: #495260;
    --accent: #5b4bff;
    --accent-2: #0fd6d6;
    --border: #e6e8eb;
    --shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
  }
}
* {
  box-sizing: border-box;
}
html,
body {
  padding: 0;
  margin: 0;
}
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, Apple Color Emoji, Segoe UI Emoji, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(32px, 6vw, 54px);
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(22px, 3.2vw, 32px);
}
h3 {
  font-size: clamp(18px, 2.2vw, 22px);
}
p {
  margin: 0 0 14px;
  color: var(--sub);
}
.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg), transparent 12%);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid color-mix(in oklab, var(--border), transparent 35%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.brand-initial {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--brandGrad);
  color: white;
}
.brand-name {
  opacity: 0.9;
}
.nav {
  display: flex;
  gap: 18px;
}
.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--sub);
}
.nav a:hover {
  color: var(--text);
  background: color-mix(in oklab, var(--muted), transparent 40%);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.menu-toggle .bar {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
}

@media (max-width: 880px) {
  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    display: none;
  }
  .nav.open {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .menu-toggle {
    display: flex;
  }
}

/* Hero */
.hero {
  padding: 80px 0;
  background: radial-gradient(
      1200px 600px at 20% -10%,
      color-mix(in oklab, var(--accent), transparent 86%),
      transparent
    ),
    radial-gradient(
      1200px 600px at 120% 10%,
      color-mix(in oklab, var(--accent-2), transparent 88%),
      transparent
    );
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 32px;
  align-items: center;
}
.hero-text .subtitle {
  font-size: clamp(16px, 2.2vw, 18px);
}
.cta-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.hero-card {
  display: grid;
  place-items: center;
}
.card-inner {
  width: 280px;
  aspect-ratio: 1/1;
  border-radius: 20px;
  background: var(--elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.avatar {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--brandGrad);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
}
.card-lines {
  position: absolute;
  inset: auto 0 0 0;
  height: 50%;
  display: grid;
  grid-template-rows: repeat(4, 1fr);
}
.card-lines span {
  border-top: 1px dashed color-mix(in oklab, var(--border), transparent 10%);
}
@media (max-width: 880px) {
  .hero {
    padding: 60px 0;
  }
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-card {
    order: -1;
    margin-bottom: 10px;
  }
  .card-inner {
    width: min(85%, 340px);
  }
}

/* Sections */
.section {
  padding: 56px 0;
}
.section.muted {
  background: var(--muted);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}
.feature-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.feature-list li {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in oklab, var(--elev), transparent 20%);
}
@media (max-width: 880px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 14px;
}
@media (max-width: 980px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .cards {
    grid-template-columns: 1fr;
  }
}
.card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--elev);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}
.card p {
  margin: 6px 0 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--elev), transparent 10%);
  color: var(--text);
  font-weight: 600;
  transition: 0.2s ease box-shadow, 0.2s ease transform;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.16);
}
.btn.primary {
  background: var(--brandGrad);
  border-color: transparent;
  color: #fff;
}
.btn.ghost {
  background: transparent;
}
.btn.large {
  padding: 14px 18px;
  font-size: 18px;
}

/* Contact CTA */
.contact-cta {
  padding: 26px;
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--elev), transparent 0%),
    color-mix(in oklab, var(--elev), transparent 6%)
  );
  border-radius: 16px;
  display: grid;
  gap: 10px;
  place-items: start;
}

/* Footer */
.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg), transparent 6%);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.socials {
  display: flex;
  align-items: center;
  gap: 10px;
}
.socials a {
  color: var(--sub);
}
.socials a:hover {
  color: var(--text);
}