/* ============================================================
   AI DB Client — Website stylesheet
   Theme: deep dark, blueprint line art, cyan/violet accents
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* background */
  --bg-0: #0a0c10; /* page base */
  --bg-1: #0d1118; /* card surface */
  --bg-2: #11161f; /* elevated surface */

  /* lines */
  --line-1: #1a2030; /* dim grid */
  --line-2: #2a3441; /* primary hairline */
  --line-3: #3a465a; /* bright hairline */

  /* text */
  --text-0: #f4f6fb; /* primary heading */
  --text-1: #cfd6e4; /* body */
  --text-2: #8a96ad; /* secondary */
  --text-3: #5b6a85; /* muted / labels */
  --text-4: #3a465a; /* hint / captions */

  /* accent */
  --cyan: #00d4ff; /* primary accent */
  --cyan-soft: rgba(0, 212, 255, 0.4);
  --cyan-faint: rgba(0, 212, 255, 0.08);
  --violet: #7c5cff; /* secondary accent */
  --violet-soft: rgba(124, 92, 255, 0.4);
  --amber: #ffb547; /* warning */
  --red: #ff5a6e; /* blocked */

  /* radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;

  /* layout */
  --max-w: 1240px;
  --gutter: 32px;
  --section-pad-y: 120px;

  /* fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono:
    'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-1);
  background-color: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--cyan);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  color: var(--cyan);
  background: var(--cyan-faint);
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 500;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

/* ---------- Layout containers ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
}

/* ---------- Background layers ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 52, 65, 0.25) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 52, 65, 0.25) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 90%);
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle 600px at 15% 10%, rgba(0, 212, 255, 0.1), transparent 70%),
    radial-gradient(circle 500px at 85% 5%, rgba(124, 92, 255, 0.1), transparent 70%),
    radial-gradient(circle 800px at 50% 100%, rgba(0, 212, 255, 0.06), transparent 70%);
}

.bg-noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' /%3E%3C/svg%3E");
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.65);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-1);
  transition:
    border-color 0.2s ease,
    background 0.2s ease;
}

.nav.scrolled {
  border-bottom-color: var(--line-2);
  background: rgba(10, 12, 16, 0.85);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.brand:hover {
  color: var(--cyan);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
}

.brand-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.01em;
}

.brand-version {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--cyan);
  background: var(--cyan-faint);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 999px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  /* hidden until JS confirms a real version from GitHub */
  opacity: 0;
  transform: scale(0.85);
  transform-origin: center;
  transition:
    opacity 0.5s ease,
    transform 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

.brand-version[hidden] {
  display: none;
}

.brand-version.is-loaded {
  opacity: 1;
  transform: scale(1);
  animation: version-flash 0.9s ease-out;
}

@keyframes version-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.5);
  }
  40% {
    box-shadow: 0 0 0 6px rgba(0, 212, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: var(--r-sm);
  transition:
    color 0.2s ease,
    background 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-0);
  background: var(--bg-1);
}

.nav-github {
  color: var(--text-0) !important;
  border: 1px solid var(--line-2);
  margin-left: 8px;
}

.nav-github:hover {
  border-color: var(--cyan) !important;
  color: var(--cyan) !important;
  background: var(--cyan-faint) !important;
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text-1);
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}
.nav-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 168px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  /* hairline crosshair at hero top */
  content: '';
  position: absolute;
  top: 88px;
  left: 50%;
  width: 1px;
  height: 24px;
  background: var(--line-2);
}

.hero::after {
  content: '';
  position: absolute;
  top: 88px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-4);
  white-space: nowrap;
  letter-spacing: 0.2em;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(13, 17, 24, 0.6);
  margin-bottom: 28px;
  letter-spacing: 0.05em;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.eyebrow-sep {
  color: var(--line-3);
}

.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.06;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.hero-title .hl {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-title .hl-2 {
  position: relative;
  color: var(--text-0);
  white-space: nowrap;
}

.hero-title .hl-2::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 6px;
  background: linear-gradient(90deg, var(--cyan-faint), transparent);
  z-index: -1;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-sub strong {
  color: var(--text-0);
  font-weight: 600;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--cyan);
  color: #06121a;
  border-color: var(--cyan);
  box-shadow: 0 0 0 0 var(--cyan-soft);
}

.btn-primary:hover {
  background: #29dcff;
  border-color: #29dcff;
  color: #06121a;
  box-shadow:
    0 0 0 4px var(--cyan-faint),
    0 0 20px var(--cyan-soft);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-0);
  border-color: var(--line-2);
}

.btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-faint);
}

.btn-arrow {
  transition: transform 0.2s ease;
}
.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* download button (secondary primary — filled dark with cyan hairline) */
.btn-download {
  background: var(--bg-1);
  color: var(--text-0);
  border-color: var(--cyan);
  box-shadow: 0 0 0 0 var(--cyan-soft);
  position: relative;
}

.btn-download::before {
  /* tiny green pulse dot to indicate "live release" */
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 6px #4ade80;
  animation: pulse 2s ease-in-out infinite;
}

.btn-download:hover {
  background: var(--cyan-faint);
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow:
    0 0 0 4px var(--cyan-faint),
    0 0 20px var(--cyan-soft);
  transform: translateY(-1px);
}

.btn-download::before {
  /* tiny green pulse dot to indicate "live release" */
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 6px #4ade80;
  animation: pulse 2s ease-in-out infinite;
}

.btn-download:hover {
  background: var(--cyan-faint);
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow:
    0 0 0 4px var(--cyan-faint),
    0 0 20px var(--cyan-soft);
  transform: translateY(-1px);
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
  font-family: var(--font-mono);
}

.hero-bullets .tick {
  color: var(--cyan);
  margin-right: 8px;
  font-weight: 700;
}

/* hero visual */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 600 / 520;
  color: var(--text-3);
}

.hero-svg {
  width: 100%;
  height: 100%;
  color: inherit;
}

.hero-svg .corners,
.hero-svg .ruler,
.hero-svg .title-block,
.hero-svg .db-label text,
.hero-svg .annotation text {
  color: var(--text-3);
}

.hero-svg .db-cylinder line,
.hero-svg .db-cylinder path,
.hero-svg .db-cylinder ellipse {
  transition: stroke-opacity 0.3s ease;
}

.float-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  background: rgba(13, 17, 24, 0.92);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  white-space: nowrap;
  animation: floaty 6s ease-in-out infinite;
  backdrop-filter: blur(4px);
}

.float-tag-1 {
  top: 8%;
  left: -4%;
  animation-delay: 0s;
}

.float-tag-2 {
  top: 60%;
  left: -8%;
  animation-delay: 1.5s;
}

.float-tag-3 {
  bottom: 4%;
  right: -6%;
  animation-delay: 3s;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.ft-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.ft-dot-purple {
  background: var(--violet);
  box-shadow: 0 0 6px var(--violet);
}

.ft-dot-amber {
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber);
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  padding: 40px 0 80px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line-1);
  background: var(--bg-1);
  border-radius: var(--r-md);
  overflow: hidden;
}

.stat {
  padding: 32px 28px;
  border-right: 1px solid var(--line-1);
  position: relative;
}

.stat:last-child {
  border-right: none;
}

.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-soft), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stat:hover::before {
  opacity: 1;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  color: var(--text-0);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat:nth-child(1) .stat-num {
  color: var(--cyan);
}
.stat:nth-child(2) .stat-num {
  color: var(--violet);
}
.stat:nth-child(3) .stat-num {
  color: var(--amber);
}
.stat:nth-child(4) .stat-num {
  color: var(--text-0);
}

.stat-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-1);
  margin-bottom: 4px;
}

.stat-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.02em;
}

/* ============================================================
   SECTION HEAD
   ============================================================ */
.section-head {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-title .hl {
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-2);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  padding: var(--section-pad-y) 0;
  position: relative;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature {
  position: relative;
  padding: 36px 32px 32px;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}

.feature::before {
  /* corner accents */
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 16px;
  height: 16px;
  border-top: 1px solid var(--cyan);
  border-left: 1px solid var(--cyan);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 16px;
  height: 16px;
  border-bottom: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature:hover {
  border-color: var(--line-3);
  transform: translateY(-2px);
}

.feature:hover::before,
.feature:hover::after {
  opacity: 1;
}

.feature-glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, var(--cyan-faint) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.6;
}

.feature-lg {
  grid-column: span 1;
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  margin-bottom: 24px;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.04);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 20px;
}

.feature-desc em {
  color: var(--text-0);
  font-style: normal;
  font-weight: 500;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.feature-list li {
  padding-left: 18px;
  position: relative;
}

.feature-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 600;
}

.code-snippet {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--bg-0);
  border: 1px solid var(--line-1);
  border-radius: var(--r-sm);
  overflow-x: auto;
}

.code-snippet pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-1);
}

.code-snippet .c-c {
  color: var(--text-3);
  font-style: italic;
}

/* permission grid */
.perm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 20px 0 14px;
}

.perm {
  padding: 14px 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--bg-0);
  text-align: center;
}

.perm-dev {
  border-color: rgba(0, 212, 255, 0.4);
}
.perm-staging {
  border-color: rgba(255, 181, 71, 0.4);
}
.perm-prod {
  border-color: rgba(255, 90, 110, 0.4);
}

.perm-env {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.perm-dev .perm-env {
  color: var(--cyan);
}
.perm-staging .perm-env {
  color: var(--amber);
}
.perm-prod .perm-env {
  color: var(--red);
}

.perm-powers {
  display: flex;
  justify-content: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
}

.perm-powers span {
  padding: 2px 6px;
  border-radius: 2px;
  border: 1px solid currentColor;
}

.perm-powers .ok {
  color: #4ade80;
  background: rgba(74, 222, 128, 0.08);
}
.perm-powers .warn {
  color: var(--amber);
  background: rgba(255, 181, 71, 0.08);
}
.perm-powers .no {
  color: var(--red);
  background: rgba(255, 90, 110, 0.08);
}

.perm-note {
  font-size: 12px;
  color: var(--text-3);
  font-family: var(--font-mono);
  line-height: 1.6;
}

.perm-note .warn {
  color: var(--amber);
}
.perm-note .no {
  color: var(--red);
}

/* ============================================================
   ARCHITECTURE
   ============================================================ */
.arch {
  padding: var(--section-pad-y) 0;
  position: relative;
}

.arch-board {
  position: relative;
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.02), transparent 30%), var(--bg-1);
  padding: 0;
  overflow: hidden;
}

.arch-board::before,
.arch-board::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyan);
  opacity: 0.4;
}
.arch-board::before {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}
.arch-board::after {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

.arch-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   ROADMAP
   ============================================================ */
.roadmap {
  padding: var(--section-pad-y) 0;
  position: relative;
}

.rmap {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rmap::before {
  content: '';
  position: absolute;
  left: 110px;
  top: 30px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--violet) 100%);
  opacity: 0.4;
}

.rmap-step {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  padding: 28px 0;
  position: relative;
  align-items: start;
}

.rmap-step:not(:last-child) {
  border-bottom: 1px dashed var(--line-1);
}

.rmap-marker {
  position: relative;
  text-align: right;
  padding-right: 28px;
}

.rmap-marker::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 8px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--line-3);
  background: var(--bg-0);
  border-radius: 50%;
  z-index: 1;
}

.rmap-step.done .rmap-marker::after {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-soft);
}

.rmap-step.current .rmap-marker::after {
  background: var(--violet);
  border-color: var(--violet);
  box-shadow: 0 0 12px var(--violet-soft);
  animation: pulse 2s ease-in-out infinite;
}

.rmap-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--text-0);
  line-height: 1;
  letter-spacing: -0.02em;
}

.rmap-step.done .rmap-num {
  color: var(--cyan);
}
.rmap-step.current .rmap-num {
  color: var(--violet);
}

.rmap-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-3);
  margin-top: 6px;
}

.rmap-step.done .rmap-status {
  color: var(--cyan);
}
.rmap-step.current .rmap-status {
  color: var(--violet);
}

.rmap-body {
  padding-top: 4px;
}

.rmap-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.rmap-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 16px;
  max-width: 640px;
}

.rmap-modules {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.rmap-modules span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  padding: 4px 10px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--bg-0);
}

.rmap-step.done .rmap-modules span {
  color: var(--cyan);
  border-color: rgba(0, 212, 255, 0.3);
}

/* ============================================================
   STACK
   ============================================================ */
.stack {
  padding: var(--section-pad-y) 0;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.stack-card {
  padding: 28px 24px;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.stack-card:hover {
  border-color: var(--line-3);
  transform: translateY(-2px);
}

.stack-tier {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.stack-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.stack-detail {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

/* ============================================================
   STATUS (current build snapshot)
   ============================================================ */
.status {
  padding: 0 0 var(--section-pad-y);
}

.status-board {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  padding: 28px 32px 24px;
  box-shadow: var(--shadow-1);
}

.status-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2.4s ease-in-out infinite;
}

.status-title {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  font-weight: 600;
}

.status-sub {
  font-size: 12px;
  color: var(--text-2);
  font-family: var(--font-inter);
  letter-spacing: 0;
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 32px;
  row-gap: 10px;
  font-size: 14px;
  color: var(--text-1);
  font-family: var(--font-inter);
}

.status-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.55;
}

.status-list .ok {
  color: var(--cyan);
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.status-list .wip {
  color: var(--accent-purple, #a78bfa);
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .status-list {
    grid-template-columns: 1fr;
  }

  .status-board {
    padding: 24px 20px;
  }
}

/* ============================================================
   CTA
   ============================================================ */
.cta {
  padding: 80px 0 var(--section-pad-y);
}

.cta-board {
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
  padding: 64px 48px;
  text-align: center;
}

.cta-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.cta-title {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.cta-title .hl {
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.cta-sub {
  font-size: 16px;
  color: var(--text-2);
  margin-bottom: 32px;
  font-family: var(--font-mono);
}

.cta-sub code {
  font-size: 0.95em;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--line-1);
  background: var(--bg-0);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-tag {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  max-width: 360px;
}

.footer-tag a {
  color: var(--cyan);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-h {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.footer-col a,
.footer-col span {
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--line-1);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}

.footer-sep {
  color: var(--line-3);
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    padding-top: 140px;
  }

  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

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

  .feature-lg {
    grid-column: span 1;
  }

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

  .stat:nth-child(2) {
    border-right: none;
  }

  .stat:nth-child(1),
  .stat:nth-child(2) {
    border-bottom: 1px solid var(--line-1);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --gutter: 20px;
    --section-pad-y: 80px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10, 12, 16, 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-2);
    padding: 12px 20px 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 8px;
    border-bottom: 1px solid var(--line-1);
    border-radius: 0;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-github {
    margin-left: 0;
    margin-top: 4px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-bullets {
    font-size: 13px;
  }

  .hero-cta {
    flex-wrap: wrap;
  }

  .float-tag {
    font-size: 10px;
    padding: 4px 8px;
  }

  .float-tag-1 {
    top: 4%;
    left: 0;
  }
  .float-tag-2 {
    top: 50%;
    left: 0;
  }
  .float-tag-3 {
    bottom: 4%;
    right: 0;
  }

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

  .stat {
    border-right: none;
    border-bottom: 1px solid var(--line-1);
  }

  .stat:last-child {
    border-bottom: none;
  }

  .stat-num {
    font-size: 36px;
  }

  .rmap::before {
    left: 20px;
  }

  .rmap-step {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-left: 48px;
  }

  .rmap-marker {
    position: absolute;
    top: 28px;
    left: 0;
    text-align: left;
    padding-right: 0;
  }

  .rmap-marker::after {
    right: auto;
    left: 14px;
    top: 8px;
  }

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

  .cta-board {
    padding: 40px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 26px;
  }

  .nav-inner {
    padding: 12px 20px;
  }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

/* selection */
::selection {
  background: var(--cyan-soft);
  color: var(--text-0);
}

/* ============================================================
   MULTI-PAGE EXTENSION — shared across product/docs/download/
   pricing/roadmap pages. Reuses tokens + .nav/.btn/.footer above.
   ============================================================ */

/* ---------- Brand logo in nav/footer ---------- */
.brand-logo {
  width: 26px;
  height: 26px;
  flex: none;
}
.footer .brand-logo {
  width: 22px;
  height: 22px;
}

/* ---------- Active nav link (current page) ---------- */
.nav-links a.active {
  color: var(--text-0);
  background: var(--cyan-faint);
}

/* ---------- Page hero (inner pages: docs/download/pricing/roadmap) ---------- */
.page-hero {
  padding: 140px 0 48px;
  position: relative;
  border-bottom: 1px solid var(--line-1);
}
.page-hero .eyebrow {
  margin-bottom: 20px;
}
.page-title {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-0);
}
.page-title .hl {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.page-lead {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 720px;
}
.page-lead strong {
  color: var(--text-0);
  font-weight: 600;
}

/* ---------- Generic section spacing for inner pages ---------- */
.page-body {
  padding: 64px 0 96px;
}
.page-body .container {
  max-width: var(--max-w);
}

/* shared prose helpers */
.prose {
  max-width: 760px;
}
.prose h2 {
  font-size: 24px;
  margin: 0 0 12px;
  color: var(--text-0);
  scroll-margin-top: 96px;
}
.prose h3 {
  font-size: 17px;
  margin: 28px 0 10px;
  color: var(--text-0);
}
.prose p {
  color: var(--text-2);
  margin-bottom: 14px;
  line-height: 1.7;
}
.prose p strong {
  color: var(--text-1);
}
.prose ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}
.prose ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-2);
  line-height: 1.65;
}
.prose ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan);
  font-weight: 700;
  font-family: var(--font-mono);
}
.prose code {
  font-family: var(--font-mono);
}

/* ---------- Code block (reusable) ---------- */
.code-block {
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  padding: 18px 20px;
  margin: 16px 0 22px;
  overflow-x: auto;
}
.code-block pre {
  margin: 0;
}
.code-block code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-1);
  background: none;
  padding: 0;
  line-height: 1.6;
  white-space: pre;
}
.code-block .c-c {
  color: var(--text-4);
}
.code-block .c-k {
  color: var(--cyan);
}

/* ---------- Data tables (docs/pricing) ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}
.data-table th,
.data-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-1);
  vertical-align: top;
}
.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom-color: var(--line-2);
}
.data-table td code {
  font-size: 12px;
}
.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

/* ---------- Callout / note ---------- */
.callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-md);
  background: var(--bg-1);
  margin: 16px 0 22px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}
.callout strong {
  color: var(--text-1);
}
.callout-icon {
  flex: none;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 700;
}
.callout.warn {
  border-left-color: var(--amber);
}
.callout.warn .callout-icon {
  color: var(--amber);
}

/* ============================================================
   DOCS PAGE — sidebar + content layout
   ============================================================ */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
}
.docs-sidebar {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 104px);
  overflow-y: auto;
  padding-right: 8px;
}
.docs-sidebar h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 22px 0 10px;
}
.docs-sidebar h4:first-child {
  margin-top: 0;
}
.docs-sidebar a {
  display: block;
  padding: 7px 12px;
  font-size: 13.5px;
  color: var(--text-2);
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  line-height: 1.4;
}
.docs-sidebar a:hover {
  color: var(--text-0);
  background: var(--bg-1);
}
.docs-sidebar a.active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--cyan-faint);
}
.docs-content {
  min-width: 0; /* allow code blocks to scroll instead of overflow */
}
.docs-content .prose {
  max-width: none;
}
.docs-content h2[id],
.docs-content h3[id] {
  scroll-margin-top: 96px;
}

@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .docs-sidebar {
    position: static;
    max-height: none;
    border-bottom: 1px solid var(--line-1);
    padding-bottom: 20px;
  }
}

/* ============================================================
   DOWNLOAD PAGE — platform cards + release meta
   ============================================================ */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}
.platform-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 26px;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}
.platform-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.platform-card.recommended {
  border-color: var(--cyan);
  box-shadow:
    0 0 0 1px var(--cyan-soft),
    0 0 28px rgba(0, 212, 255, 0.08);
}
.platform-card .rec-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: #06121a;
  background: var(--cyan);
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.platform-icon {
  width: 40px;
  height: 40px;
  color: var(--cyan);
  margin-bottom: 16px;
}
.platform-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 4px;
}
.platform-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 18px;
}
.platform-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}
.platform-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  transition: all 0.2s ease;
}
.platform-links a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-faint);
}
.platform-links .file-ext {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}

.release-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 28px 0 8px;
  font-size: 14px;
  color: var(--text-2);
}
.release-meta .release-tag {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
}
.release-meta .release-sep {
  color: var(--line-3);
}

@media (max-width: 820px) {
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   PRICING PAGE — hero tier card + feature matrix
   ============================================================ */
.pricing-hero-tier {
  position: relative;
  max-width: 560px;
  margin: 0 auto 56px;
  padding: 40px 36px;
  text-align: center;
  background: var(--bg-1);
  border: 1px solid var(--cyan);
  border-radius: var(--r-lg);
  box-shadow:
    0 0 0 1px var(--cyan-soft),
    0 0 60px rgba(0, 212, 255, 0.06);
  overflow: hidden;
}
.pricing-hero-tier::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--cyan-faint), transparent 60%);
  pointer-events: none;
}
.tier-badge {
  position: relative;
  display: inline-block;
  padding: 5px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan);
  background: var(--cyan-faint);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 999px;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.tier-price {
  position: relative;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-0);
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}
.tier-price .currency {
  font-size: 28px;
  vertical-align: top;
  color: var(--text-2);
  margin-right: 2px;
}
.tier-price .period {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-3);
}
.tier-tagline {
  position: relative;
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 26px;
}
.tier-cta {
  position: relative;
}

/* feature matrix */
.matrix {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.matrix th,
.matrix td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-1);
  text-align: left;
  vertical-align: middle;
}
.matrix thead th {
  font-size: 13px;
  color: var(--text-1);
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 14px;
}
.matrix thead th.col-tier {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.matrix .group-row td {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg-1);
  border-bottom-color: var(--line-2);
  padding: 12px 16px;
}
.matrix td.feat {
  color: var(--text-1);
}
.matrix td.feat small {
  display: block;
  color: var(--text-3);
  font-size: 12px;
  margin-top: 2px;
}
.matrix td.has {
  text-align: center;
  color: var(--cyan);
  font-weight: 700;
}
.matrix td.has::before {
  content: '✓';
}
.matrix td.planned {
  text-align: center;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
}
.matrix-wrap {
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.matrix-wrap .matrix {
  margin: 0;
}
.matrix-wrap .matrix th:first-child,
.matrix-wrap .matrix td:first-child {
  padding-left: 24px;
}

/* ============================================================
   ROADMAP PAGE — detailed timeline (extends .rmap)
   ============================================================ */
.roadmap-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
}
.rm-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 24px;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
}
.rm-item.delivered {
  border-left: 3px solid var(--cyan);
}
.rm-item.planned {
  border-left: 3px solid var(--violet);
  opacity: 0.92;
}
.rm-item.p1 {
  border-left: 3px solid var(--amber);
}
.rm-marker {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.rm-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.01em;
}
.rm-item.planned .rm-num,
.rm-item.p1 .rm-num {
  color: var(--text-2);
}
.rm-status {
  display: inline-block;
  width: fit-content;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 999px;
}
.rm-item.delivered .rm-status {
  color: var(--cyan);
  background: var(--cyan-faint);
  border: 1px solid rgba(0, 212, 255, 0.25);
}
.rm-item.planned .rm-status {
  color: var(--violet);
  background: rgba(124, 92, 255, 0.1);
  border: 1px solid rgba(124, 92, 255, 0.25);
}
.rm-item.p1 .rm-status {
  color: var(--amber);
  background: rgba(255, 181, 71, 0.1);
  border: 1px solid rgba(255, 181, 71, 0.25);
}
.rm-body h3 {
  font-size: 18px;
  color: var(--text-0);
  margin-bottom: 8px;
}
.rm-body p {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 12px;
}
.rm-modules {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.rm-modules span {
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  background: var(--bg-0);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
}

@media (max-width: 700px) {
  .rm-item {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* ============================================================
   HOME — "why" problem/solution rows
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.why-card {
  padding: 28px 26px;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
}
.why-card .why-pain {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.why-card h3 {
  font-size: 17px;
  color: var(--text-0);
  margin-bottom: 10px;
}
.why-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}
.why-card p strong {
  color: var(--cyan);
}
@media (max-width: 820px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* capability grid (home) — compact feature cards */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.cap-card {
  padding: 28px 26px;
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}
.cap-card:hover {
  border-color: var(--line-3);
  transform: translateY(-2px);
}
.cap-icon {
  width: 36px;
  height: 36px;
  color: var(--cyan);
  margin-bottom: 16px;
}
.cap-card h3 {
  font-size: 17px;
  color: var(--text-0);
  margin-bottom: 8px;
}
.cap-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 14px;
}
.cap-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.cap-card ul li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 6px;
  line-height: 1.5;
}
.cap-card ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
@media (max-width: 960px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .cap-grid {
    grid-template-columns: 1fr;
  }
}

/* simple section header used on inner pages */
.s-head {
  margin-bottom: 8px;
}
.s-head .s-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.s-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.s-head h2 .hl {
  background: linear-gradient(90deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.s-head p {
  font-size: 16px;
  color: var(--text-2);
  max-width: 680px;
  line-height: 1.6;
}