:root {
  --bg: #071116;
  --bg-strong: #0b161d;
  --surface: rgba(14, 25, 32, 0.8);
  --surface-strong: #101d25;
  --ink: #ecf4f6;
  --muted: #96aab0;
  --line: rgba(199, 224, 230, 0.12);
  --accent: #3ec7b7;
  --accent-strong: #90efe4;
  --gold: #f0c36d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(240, 195, 109, 0.12), transparent 24%),
    radial-gradient(circle at top right, rgba(62, 199, 183, 0.14), transparent 30%),
    linear-gradient(180deg, #050b0f 0%, var(--bg) 48%, #09131a 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(236, 244, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(236, 244, 246, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 90%);
}

.page-shell {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 4rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.topbar-links {
  display: flex;
  gap: 1rem;
}

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

.topbar-links a,
.footer a {
  color: var(--accent-strong);
}

.hero {
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy,
.hero-panel {
  min-width: 0;
}

.hero-copy,
.hero-panel,
.section,
.footer {
  animation: rise 700ms ease both;
}

.hero-panel {
  animation-delay: 100ms;
}

.hero-logo {
  display: block;
  width: 220px;
  max-width: 100%;
  height: auto;
  margin: 0 0 1.5rem;
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.76rem;
  color: var(--accent-strong);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

h1,
h2 {
  font-family: "Manrope", sans-serif;
  font-weight: 800;
}

h1 {
  font-size: clamp(3.2rem, 8vw, 6.6rem);
  max-width: 10ch;
}

.lede {
  max-width: 58ch;
  margin: 1.5rem 0 0;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  background: var(--accent);
  color: #f7fcfb;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
}

.signal-card,
.feature-card,
.pillar,
.use-case,
.footer {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.signal-card {
  padding: 1.6rem;
  border-radius: 28px;
}

.signal-label {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-card h2 {
  font-size: clamp(2.1rem, 4.5vw, 3.5rem);
  margin-bottom: 1rem;
}

.signal-card p,
.pillar p,
.feature-card p {
  color: var(--muted);
  line-height: 1.7;
}

.signal-list {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  color: var(--ink);
}

.signal-list li + li {
  margin-top: 0.6rem;
}

.section {
  margin-top: 3.5rem;
  padding: 2rem;
  border-radius: 32px;
  background: rgba(10, 20, 27, 0.58);
  border: 1px solid rgba(199, 224, 230, 0.08);
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 1.6rem;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
}

.post-title {
  font-size: clamp(2.6rem, 6vw, 5rem);
  max-width: 14ch;
}

.post-body {
  max-width: 52rem;
  color: var(--ink);
  font-size: 1.04rem;
  line-height: 1.85;
}

.post-body > *:first-child {
  margin-top: 0;
}

.post-body h2,
.post-body h3 {
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}

.post-body p,
.post-body li {
  color: var(--muted);
}

.post-body ul,
.post-body ol {
  padding-left: 1.25rem;
}

.post-body code {
  padding: 0.15rem 0.35rem;
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

.post-body pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.24);
}

.post-body pre code {
  padding: 0;
  background: transparent;
}

.feature-grid,
.pillars,
.use-case-grid {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.model-figure {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 1.25rem;
  align-items: center;
  margin-top: 1.5rem;
}

.model-figure-copy p {
  color: var(--muted);
  line-height: 1.8;
}

.model-figure-frame {
  margin: 0;
  padding: 1rem;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.model-figure-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.model-figure-frame figcaption {
  margin-top: 0.85rem;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.96rem;
}

.demo-panel {
  margin: 0;
  padding: 1rem;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.demo-gif {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.demo-panel figcaption {
  margin-top: 0.85rem;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.96rem;
}

.feature-card,
.pillar,
.use-case {
  padding: 1.25rem;
  border-radius: 24px;
}

.feature-card h3,
.pillar span {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.section-accent {
  background:
    linear-gradient(135deg, rgba(62, 199, 183, 0.08), rgba(240, 195, 109, 0.05)),
    rgba(11, 22, 29, 0.8);
}

.pillars {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.use-case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.use-case {
  font-weight: 600;
}

.footer {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .model-figure,
  .feature-grid,
  .pillars,
  .use-case-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .topbar,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 1rem, 1160px);
  }

  .section {
    padding: 1.25rem;
    border-radius: 24px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .hero-logo {
    width: min(180px, 52vw);
    margin-bottom: 1.1rem;
  }
}