:root {
  --bg: #090d12;
  --bg-soft: #111823;
  --panel: rgba(13, 20, 29, 0.82);
  --panel-strong: rgba(18, 27, 38, 0.94);
  --line: rgba(136, 176, 212, 0.2);
  --text: #edf2f7;
  --muted: #9fb0c0;
  --accent: #86d6ff;
  --accent-warm: #ffb066;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --content-width: min(1180px, calc(100vw - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 122, 171, 0.35), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 166, 93, 0.16), transparent 24%),
    linear-gradient(180deg, #061018 0%, #090d12 38%, #05080c 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.9));
}

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

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

.page-shell {
  width: var(--content-width);
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0 1.5rem;
}

.brand-kicker,
.section-tag,
.eyebrow,
.topnav {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-kicker,
.section-tag,
.eyebrow {
  color: var(--accent);
  font-size: 0.8rem;
}

.topnav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.78rem;
  color: var(--muted);
}

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

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(17, 24, 35, 0.92), rgba(9, 14, 21, 0.78));
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
  overflow: hidden;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.25rem;
}

.hero h1,
.statement h2,
.split-copy h2,
.guide-header h2 {
  line-height: 0.98;
  margin: 0;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 6.1rem);
  max-width: 11ch;
  margin-top: 0.4rem;
}

.lede,
.statement p,
.split-copy p,
.guide article p,
.mini-card p,
.workflow-list,
.closing-quote {
  color: var(--muted);
  line-height: 1.65;
}

.lede {
  max-width: 56ch;
  margin: 1.2rem 0 0;
  font-size: 1.05rem;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.hero-notes span {
  border: 1px solid rgba(134, 214, 255, 0.22);
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  background: rgba(10, 18, 26, 0.72);
  color: var(--text);
  font-size: 0.95rem;
}

.hero-media img,
.detail-media img {
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) - 8px);
}

.content-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.statement,
.card-stack,
.split-section,
.guide,
.closing-panel {
  padding: 1.5rem;
}

.statement h2,
.split-copy h2,
.guide-header h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-top: 0.45rem;
  max-width: 12ch;
}

.card-stack {
  display: grid;
  gap: 1rem;
}

.mini-card {
  border: 1px solid rgba(159, 176, 192, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  background:
    linear-gradient(135deg, rgba(134, 214, 255, 0.08), transparent 55%),
    rgba(7, 12, 18, 0.76);
}

.card-label,
.guide h3 {
  color: var(--text);
  margin: 0 0 0.45rem;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.workflow-list {
  padding-left: 1.2rem;
  margin: 1.2rem 0 0;
}

.workflow-list li + li {
  margin-top: 0.75rem;
}

.guide {
  margin-top: 1.25rem;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.guide-grid article {
  min-height: 100%;
  border: 1px solid rgba(159, 176, 192, 0.14);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  background: rgba(8, 13, 20, 0.7);
}

.closing {
  margin-top: 1.25rem;
}

.closing-panel {
  position: relative;
  overflow: hidden;
}

.closing-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -45% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 176, 102, 0.2), transparent 68%);
}

.closing-quote {
  position: relative;
  z-index: 1;
  max-width: 26ch;
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.2;
  color: var(--text);
}

@media (max-width: 960px) {
  .hero,
  .content-grid,
  .split-section,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .statement,
  .card-stack,
  .split-copy,
  .guide,
  .closing-panel {
    padding: 0;
  }

  .hero,
  .statement,
  .card-stack,
  .split-section,
  .guide,
  .closing-panel {
    padding: 1rem;
  }

  .hero h1 {
    max-width: none;
  }
}

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

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

  .topnav {
    flex-wrap: wrap;
    gap: 0.7rem 1rem;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 14vw, 4.1rem);
  }

  .hero-notes span {
    width: 100%;
  }
}