:root {
  color-scheme: dark;

  /* Palette — derived from unify.ai's emerald on near-black, warmed up a touch */
  --bg: #0a110f;
  --bg-deep: #060a09;
  --surface: #0f1815;
  --surface-2: #131e1a;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --ink: #f3f5f2;
  --ink-soft: rgba(243, 245, 242, 0.72);
  --ink-dim: rgba(243, 245, 242, 0.5);
  --ink-faint: rgba(243, 245, 242, 0.32);

  /* Unify green + a brighter interaction green */
  --green-deep: #1b5e3f;
  --green: #2ea36b;
  --green-soft: #9ad7b5;
  --cream: #f4ead6;
  --amber: #ffbd38;
  --danger: #ff6b5b;

  --radius-lg: 4px;
  --radius-md: 3px;
  --max: 1240px;

  --font-sans:
    "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco,
    Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}

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

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--green-soft);
}

/* subtle film grain, Hermes-style */
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(
      circle at 18% 22%,
      rgba(46, 163, 107, 0.12) 0%,
      transparent 45%
    ),
    radial-gradient(
      circle at 82% 8%,
      rgba(154, 215, 181, 0.06) 0%,
      transparent 40%
    ),
    radial-gradient(
      circle at 90% 90%,
      rgba(27, 94, 63, 0.18) 0%,
      transparent 55%
    );
  opacity: 0.95;
}

.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.035;
  mix-blend-mode: overlay;
}

.frame {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px 80px;
}

/* ────────────────────────────────────────────────
   NAV
   ──────────────────────────────────────────────── */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 28px;
  border-bottom: 1px solid var(--line);
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  color: var(--green);
  font-size: 1.25rem;
  transform: translateY(2px);
  display: inline-block;
  animation: pulse 2.6s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

.logo-text {
  font-family: var(--font-sans);
}

.logo-dim {
  color: var(--ink-dim);
  font-weight: 500;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav-links a {
  transition: color 160ms ease;
}

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

.nav-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 163, 107, 0.15);
  animation: pulse 2s ease-in-out infinite;
}

/* ────────────────────────────────────────────────
   HERO
   ──────────────────────────────────────────────── */

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--line);
  align-items: stretch;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 32px;
}

.eyebrow-tick {
  color: var(--ink-faint);
  margin: 0 4px;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.94;
  margin: 0 0 28px;
  color: var(--ink);
}

.hero-title em {
  font-size: 1em;
  color: var(--green-soft);
  letter-spacing: -0.02em;
  padding: 0 0.05em;
}

.hero-lede {
  max-width: 52ch;
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform 120ms ease, background 160ms ease, color 160ms ease,
    border-color 160ms ease;
  cursor: pointer;
}

.btn.primary {
  background: var(--green);
  color: #061210;
}

.btn.primary:hover {
  background: var(--green-soft);
}

.btn.ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

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

.hero-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--ink-dim);
  margin: 0;
  max-width: 48ch;
}

.quote-mark {
  color: var(--green);
  font-family: var(--font-serif);
}

.quote-attr {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Terminal-style panel */
.hero-right {
  display: flex;
  align-items: stretch;
}

.panel {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-deep);
}

.panel-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--ink-faint);
}

.panel-dot.red {
  background: var(--danger);
}
.panel-dot.amber {
  background: var(--amber);
}
.panel-dot.green {
  background: var(--green);
}

.panel-title {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-body {
  flex: 1;
  margin: 0;
  padding: 24px 22px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink);
  white-space: pre;
  overflow-x: auto;
}

.panel-body code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.panel-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.foot-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink-dim);
  text-transform: uppercase;
}

/* code syntax tokens */
.c-dim {
  color: var(--ink-faint);
}
.c-ok {
  color: var(--green);
}
.c-accent {
  color: var(--green-soft);
}
.c-str {
  color: var(--cream);
}
.c-fn {
  color: #b0d8ff;
}
.c-user {
  color: var(--amber);
}

/* ────────────────────────────────────────────────
   MANIFESTO STRIP
   ──────────────────────────────────────────────── */

.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 26px 28px;
  border-right: 1px solid var(--line);
  font-size: 0.96rem;
  color: var(--ink-soft);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.strip-item:last-child {
  border-right: 0;
}

.strip-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.08em;
}

/* ────────────────────────────────────────────────
   SECTIONS
   ──────────────────────────────────────────────── */

.section {
  padding: 96px 0 40px;
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 18px;
}

.section-title {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 18px;
  color: var(--ink);
}

.serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--green-soft);
  letter-spacing: -0.015em;
}

.section-sub {
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 58ch;
  margin: 0;
}

/* feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}

.feature {
  padding: 32px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 180ms ease;
}

.feature:hover {
  background: var(--surface-2);
}

.feature:nth-child(3n) {
  border-right: 0;
}

.feature:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.feature header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 2px;
}

.feature-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.08em;
}

.feature h3 {
  margin: 0;
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.feature p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-code {
  margin-top: auto;
  display: inline-block;
  padding: 8px 11px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green-soft);
  align-self: flex-start;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
}

.feature code {
  font-family: var(--font-mono);
  background: rgba(46, 163, 107, 0.1);
  color: var(--green-soft);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 0.9em;
}

/* terminal install */
.terminal {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}

.terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line);
}

.term-prompt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.copy-btn:hover {
  border-color: var(--green);
  color: var(--green);
}

.copy-btn.copied {
  background: var(--green);
  color: #061210;
  border-color: var(--green);
}

.terminal-body {
  margin: 0;
  padding: 28px 26px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink);
  overflow-x: auto;
}

.terminal-body code {
  font-family: inherit;
}

.install-note {
  color: var(--ink-soft);
  font-size: 0.92rem;
  margin: 0;
}

.install-note-secondary {
  margin-top: 10px;
}

.install-note a {
  color: var(--green-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(154, 215, 181, 0.35);
}

.install-note a:hover {
  color: var(--ink);
  border-bottom-color: var(--green);
}

.install-note strong {
  color: var(--green-soft);
  font-weight: 600;
}

/* architecture */
.arch-grid {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.arch-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  padding: 28px 32px;
  background: var(--surface);
  align-items: start;
  transition: background 180ms ease;
}

.arch-row:hover {
  background: var(--surface-2);
}

.arch-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.arch-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.14em;
}

.arch-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.arch-card h3 {
  margin: 0 0 10px;
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.arch-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.6;
  max-width: 62ch;
}

.arch-divider {
  height: 1px;
  background: var(--line);
}

/* closer */
.closer {
  padding-bottom: 80px;
  border-bottom: 0;
}

.closer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}

.signal-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.signal-head {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 18px;
}

.signal-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 163, 107, 0.18);
  animation: pulse 1.6s ease-in-out infinite;
}

.signal-quote {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-style: italic;
  color: var(--ink);
  margin: 0 0 14px;
  line-height: 1.25;
}

.signal-note {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.85rem;
  line-height: 1.55;
}

.signal-note a {
  color: var(--green-soft);
  border-bottom: 1px solid rgba(154, 215, 181, 0.35);
}

.signal-note a:hover {
  color: var(--ink);
  border-bottom-color: var(--green);
}

/* footer */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  margin-top: 48px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-dim);
  gap: 20px;
  flex-wrap: wrap;
}

.footer-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.footer-left a {
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--line-strong);
}

.footer-left a:hover {
  color: var(--green-soft);
}

.footer-right {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-right a {
  color: var(--ink-soft);
  transition: color 140ms ease;
}

.footer-right a:hover {
  color: var(--green);
}

/* ────────────────────────────────────────────────
   RESPONSIVE
   ──────────────────────────────────────────────── */

/* ────────────────────────────────────────────────
   IN-CONTEXT COMPARISON
   ──────────────────────────────────────────────── */

.context-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  margin-bottom: 22px;
}

.context-card {
  padding: 30px 26px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 180ms ease;
}

.context-card:last-child {
  border-right: 0;
}

.context-card.accent {
  background: rgba(46, 163, 107, 0.04);
}

.context-card header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.context-card h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.context-card.accent h3 {
  color: var(--green-soft);
}

.context-tag {
  margin: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.98rem;
  color: var(--ink-dim);
  line-height: 1.3;
}

.context-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.context-list li {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.context-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--ink-faint);
  font-size: 0.82rem;
}

.context-card.accent .context-list li::before {
  color: var(--green);
}

.context-note {
  font-size: 0.93rem;
  color: var(--ink-dim);
  max-width: 72ch;
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 1000px) {
  .context-grid {
    grid-template-columns: 1fr;
  }
  .context-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .context-card:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .feature:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .feature:nth-child(2n) {
    border-right: 0;
  }

  .feature:nth-last-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }

  .feature:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

  .strip-item:nth-child(2) {
    border-right: 0;
  }

  .strip-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .arch-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 680px) {
  .frame {
    padding: 0 18px 60px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    gap: 18px;
  }

  .hero {
    padding: 44px 0 52px;
  }

  .section {
    padding: 68px 0 32px;
  }

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

  .feature {
    border-right: 0 !important;
    border-bottom: 1px solid var(--line) !important;
  }

  .feature:last-child {
    border-bottom: 0 !important;
  }

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

  .strip-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .strip-item:last-child {
    border-bottom: 0;
  }
}