/* ───────────── fonts (self-hosted, variable) ───────────── */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ───────────── tokens ───────────── */
:root {
  --bg: #0a0b0d;
  --bg-deep: #060708;
  --surface: #101216;
  --surface-2: #15181d;
  --surface-3: #1c1f25;
  --border: rgba(255, 255, 255, 0.06);
  --border-2: rgba(255, 255, 255, 0.12);
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-faint: #8e9099;
  --accent: #34d399;
  --accent-dim: #10b981;
  --accent-soft: rgba(52, 211, 153, 0.08);
  --danger: #fb7185;
  --gold: #f5b942;
  --blue: #60a5fa;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --shadow-soft: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 20px 40px -20px rgba(0, 0, 0, 0.5), 0 1px 0 0 rgba(255, 255, 255, 0.04) inset;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
*::selection {
  background: var(--accent);
  color: #06251a;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 1200px 600px at 75% -10%, rgba(52, 211, 153, 0.1), transparent 60%),
    radial-gradient(ellipse 900px 500px at 10% 30%, rgba(96, 165, 250, 0.05), transparent 60%);
  background-attachment: fixed;
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

/* fixed grain - only on a pointer-events-none overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  opacity: 0.035;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}
@media (max-width: 700px) {
  .container {
    padding: 0 20px;
  }
}

/* ───────────── nav ───────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(10, 11, 13, 0.6);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 18px;
}
.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  color: var(--text-muted);
  font-size: 14.5px;
}
.nav-links a {
  transition: color 0.2s var(--ease);
  white-space: nowrap;
}
.nav-links a:hover {
  color: var(--text);
}
@media (max-width: 1200px) {
  .nav-links {
    gap: 22px;
    font-size: 13.5px;
  }
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--text);
  color: var(--bg);
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.005em;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    transform 0.2s var(--ease),
    background 0.2s var(--ease);
}
.nav-cta:hover {
  transform: translateY(-1px);
}
.nav-cta:active {
  transform: translateY(0) scale(0.98);
}
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
}

/* ───────────── hero ───────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  padding: 96px 0 72px;
  display: grid;
  align-items: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .hero {
    padding: 64px 0 56px;
    min-height: auto;
  }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 6.2vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-top: 28px;
  color: var(--text);
}
.hero h1 .accent {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero h1 .strike {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(251, 113, 133, 0.5);
  color: var(--text-faint);
  font-weight: 400;
}
.hero p.lead {
  margin-top: 28px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-muted);
  max-width: 56ch;
  line-height: 1.55;
}
.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #052016;
  font-weight: 600;
  letter-spacing: -0.005em;
  font-size: 15.5px;
  transition:
    transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
  box-shadow:
    0 12px 30px -10px rgba(52, 211, 153, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  will-change: transform;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -12px rgba(52, 211, 153, 0.6);
}
.btn-primary:active {
  transform: translateY(0) scale(0.98);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 22px;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  transition:
    background 0.2s var(--ease),
    transform 0.2s var(--ease);
}
.btn-ghost:hover {
  background: var(--surface-2);
  transform: translateY(-1px);
}

.hero-meta {
  margin-top: 36px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-meta .tick {
  color: var(--accent);
}

/* ── floating alert mockup ── */
.tg-mock {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  box-shadow:
    var(--shadow-card),
    0 60px 120px -40px rgba(0, 0, 0, 0.7);
  transform: rotate(-1.5deg);
  animation: float 7s var(--ease) infinite;
  font-family: var(--font-body);
}
@keyframes float {
  0%,
  100% {
    transform: rotate(-1.5deg) translateY(0);
  }
  50% {
    transform: rotate(-1.5deg) translateY(-8px);
  }
}
.tg-mock::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.tg-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}
.tg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  display: grid;
  place-items: center;
  color: #062017;
  font-weight: 700;
  font-size: 14px;
}
.tg-head-meta {
  display: flex;
  flex-direction: column;
}
.tg-head-meta .who {
  font-size: 14.5px;
  font-weight: 600;
}
.tg-head-meta .when {
  font-size: 12px;
  color: var(--text-faint);
  font-family: var(--font-mono);
}
.tg-head .live {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.tg-head .live .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.18);
}

/* alert body - emoji here is content-as-screenshot */
.tg-msg {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
}
.tg-msg .title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 12px;
}
.tg-msg .title .arrow {
  color: var(--accent);
}
.tg-msg .stars {
  color: var(--gold);
  letter-spacing: 1px;
}
.tg-msg .row {
  display: grid;
  grid-template-columns: 18px 78px 1fr;
  gap: 8px;
  align-items: baseline;
  margin: 4px 0;
}
.tg-msg .row .k {
  color: var(--text-muted);
  font-size: 12.5px;
}
.tg-msg .row .v {
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.tg-msg .row .v.pos {
  color: var(--accent);
}
.tg-msg .plan {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.tg-msg .plan-h {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.tg-msg .plan-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 3px 0;
}
.tg-msg .plan-row .lbl {
  color: var(--text-muted);
}
.tg-msg .warn {
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(245, 185, 66, 0.08);
  border-left: 2px solid var(--gold);
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--text);
}
.tg-msg .btns {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.tg-msg .btns > span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 9px 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-align: center;
}

.tg-mock .badge-rr {
  position: absolute;
  top: -16px;
  right: 20px;
  background: var(--surface-2);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 8px 20px -6px rgba(52, 211, 153, 0.4);
}

/* ─── kinetic ticker ─── */
.ticker {
  margin-top: 64px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  background: rgba(0, 0, 0, 0.2);
}
.ticker::before,
.ticker::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.ticker::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}
.ticker::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg), transparent);
}
.ticker-track {
  display: flex;
  gap: 56px;
  padding: 18px 0;
  animation: scroll-x 50s linear infinite;
  width: max-content;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.ticker-track .sep {
  color: var(--text-faint);
}
.ticker-track .up {
  color: var(--accent);
}
.ticker-track .dn {
  color: var(--danger);
}
@keyframes scroll-x {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ───────────── section base ───────────── */
section {
  position: relative;
  z-index: 2;
  padding: 120px 0;
}
@media (max-width: 700px) {
  section {
    padding: 80px 0;
  }
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.section-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 18ch;
  margin-bottom: 24px;
}
.section-title .italic {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.section-lead {
  max-width: 62ch;
  color: var(--text-muted);
  font-size: 1.075rem;
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 {
  transition-delay: 0.08s;
}
.reveal-delay-2 {
  transition-delay: 0.16s;
}
.reveal-delay-3 {
  transition-delay: 0.24s;
}

/* ───────────── problem ───────────── */
.problem {
  background: radial-gradient(
    ellipse 700px 300px at 80% 50%,
    rgba(251, 113, 133, 0.07),
    transparent 70%
  );
}
.problem-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 1024px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
.problem-narrative {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 60ch;
}
.problem-narrative em {
  color: var(--text);
  font-style: normal;
  font-weight: 500;
  background: linear-gradient(180deg, transparent 65%, rgba(251, 113, 133, 0.22) 65%);
  padding: 0 2px;
}
.problem-narrative strong {
  font-weight: 500;
  color: var(--text);
}

.mistakes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.mistake {
  padding: 26px 24px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.mistake .num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--danger);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
.mistake h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.mistake p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}
@media (max-width: 600px) {
  .mistakes {
    grid-template-columns: 1fr;
  }
}

/* ───────────── how it works ───────────── */
.flow {
  background: var(--bg-deep);
  position: relative;
}
.flow .container {
  position: relative;
  z-index: 2;
}
.flow-stage {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
  padding: 56px 0;
  border-top: 1px solid var(--border);
}
.flow-stage:last-of-type {
  border-bottom: 1px solid var(--border);
}
.flow-stage .index {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.flow-stage h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 8px 0 0;
}
.flow-stage h3 .quiet {
  color: var(--text-faint);
  font-weight: 400;
}
.flow-stage .body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.flow-stage p {
  color: var(--text-muted);
  max-width: 58ch;
}
.flow-engines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 14px;
}
.flow-engine {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--surface);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}
.flow-engine:hover {
  border-color: rgba(52, 211, 153, 0.4);
}
.flow-engine .icon {
  color: var(--accent);
  margin-bottom: 16px;
}
.flow-engine h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.flow-engine p {
  font-size: 13.5px;
  color: var(--text-muted);
}
.flow-engine .count {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}
@media (max-width: 900px) {
  .flow-stage {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 40px 0;
  }
  .flow-engines {
    grid-template-columns: 1fr;
  }
}

.gate-viz {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}
.gate-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.gate-col h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 500;
}
.gate-col h4 .num {
  color: var(--text);
  font-size: 24px;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.gate-col.in h4 .num {
  color: var(--text-muted);
}
.gate-col.out h4 .num {
  color: var(--accent);
}
.gate-col ul {
  list-style: none;
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
}
.gate-col ul li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.gate-col.out ul li {
  color: var(--text);
}
.gate-col.in ul li::before {
  content: '−';
  color: var(--danger);
  width: 14px;
}
.gate-col.out ul li::before {
  content: '+';
  color: var(--accent);
  width: 14px;
}
@media (max-width: 700px) {
  .gate-viz {
    grid-template-columns: 1fr;
  }
}

/* ───────────── signal arsenal (bento) ───────────── */
.signals .container {
  position: relative;
}
.bento {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
  margin-top: 56px;
}
.tile {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
  transition:
    border-color 0.4s var(--ease),
    transform 0.4s var(--ease);
  isolation: isolate;
}
.tile::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(52, 211, 153, 0.1),
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
  z-index: 0;
}
.tile:hover::before {
  opacity: 1;
}
.tile:hover {
  border-color: var(--border-2);
}
.tile > * {
  position: relative;
  z-index: 1;
}
.tile-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}
.tile-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent);
}
.tile-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tile-count strong {
  color: var(--accent);
  font-weight: 500;
  font-size: 14px;
}
.tile h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.tile p {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 14.5px;
}
.signal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition:
    background 0.2s var(--ease),
    color 0.2s var(--ease);
}
.chip:hover {
  background: var(--surface-3);
  color: var(--text);
}
.chip.featured {
  color: var(--accent);
  border-color: rgba(52, 211, 153, 0.3);
}

.tile.large {
  grid-row: span 2;
}
.tile.tall {
  min-height: 320px;
}
@media (max-width: 900px) {
  .bento {
    grid-template-columns: 1fr;
  }
  .tile.large {
    grid-row: auto;
  }
}

/* liquidation callout */
.liq-callout {
  margin-top: 22px;
  padding: 16px;
  border: 1px dashed rgba(251, 113, 133, 0.35);
  border-radius: 12px;
  background: rgba(251, 113, 133, 0.04);
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-body);
}
.liq-callout strong {
  color: var(--danger);
  font-weight: 500;
}
.liq-callout code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
  font-size: 11.5px;
}

/* ───────────── anatomy (zig-zag) ───────────── */
.anatomy .lead-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
}
@media (max-width: 900px) {
  .anatomy .lead-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.alert-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 64px;
  align-items: start;
}
@media (max-width: 900px) {
  .alert-compare {
    grid-template-columns: 1fr;
  }
}
.alert-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 28px;
  position: relative;
}
.alert-card.premium {
  border-color: rgba(52, 211, 153, 0.3);
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.04), var(--surface));
  transform: translateY(-12px);
}
@media (max-width: 900px) {
  .alert-card.premium {
    transform: none;
  }
}
.alert-card .badge {
  position: absolute;
  top: -14px;
  left: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text-muted);
}
.alert-card.premium .badge {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--bg);
}

/* a styled "telegram alert" rendered as content */
.alert-render {
  font-size: 13.5px;
  line-height: 1.65;
  font-family: var(--font-body);
}
.alert-render .alert-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 12px;
}
.alert-render .conviction {
  color: var(--gold);
  margin-bottom: 18px;
  font-size: 13px;
}
.alert-render .ar-line {
  display: grid;
  grid-template-columns: 22px 90px 1fr;
  gap: 10px;
  padding: 3px 0;
  align-items: baseline;
}
.alert-render .ar-line .k {
  color: var(--text-muted);
  font-size: 12.5px;
}
.alert-render .ar-line .v {
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.alert-render .ar-line .v.pos {
  color: var(--accent);
}
.alert-render .ar-block {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.alert-render .ar-block-h {
  font-size: 12.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
}
.alert-render .lock {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gold);
  padding: 1px 8px;
  background: rgba(245, 185, 66, 0.08);
  border-radius: 4px;
  display: inline-block;
}
.alert-render .ar-warn {
  margin-top: 16px;
  padding: 10px 12px;
  background: rgba(245, 185, 66, 0.08);
  border-left: 2px solid var(--gold);
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--text);
}
.alert-render .ar-buttons {
  margin-top: 18px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.alert-render .ar-buttons > span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 9px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  display: inline-block;
}

/* ───────────── ai copilot ───────────── */
.ai-bento {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.ai-tile {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  min-width: 0;
}
.ai-tile .ico {
  color: var(--accent);
  margin-bottom: 18px;
}
.ai-tile h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.ai-tile p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}
.ai-tile code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
}

.ai-tile.span-3 {
  grid-column: span 3;
}
.ai-tile.span-2 {
  grid-column: span 2;
}
.ai-tile.span-4 {
  grid-column: span 4;
}
.ai-tile.span-6 {
  grid-column: span 6;
}

.ai-tile-rr {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}
.ai-tile-rr .rr-snap {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  line-height: 1.8;
  min-width: 0;
}
.ai-tile-rr .rr-snap > .rr-h {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 11px;
  margin-bottom: 10px;
}
.ai-tile-rr .rr-snap .rr-r {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}
.ai-tile-rr .rr-snap .rr-r .k {
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .ai-bento {
    grid-template-columns: repeat(2, 1fr);
  }
  .ai-tile.span-3,
  .ai-tile.span-2,
  .ai-tile.span-4,
  .ai-tile.span-6 {
    grid-column: span 2;
  }
  .ai-tile-rr {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}
@media (max-width: 700px) {
  .ai-bento {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .ai-tile.span-3,
  .ai-tile.span-2,
  .ai-tile.span-4,
  .ai-tile.span-6 {
    grid-column: span 1;
  }
}

/* typewriter */
.typewriter {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.typewriter .prompt {
  color: var(--accent);
}
.typewriter .caret {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: var(--accent);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ───────────── deterministic on-demand ───────────── */
.deterministic-bento {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 18px;
  align-items: stretch;
}
.det-tile {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  overflow: hidden;
  min-width: 0;
  isolation: isolate;
  transition: border-color 0.25s var(--ease);
}
.det-tile:hover {
  border-color: var(--border-2);
}
.det-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgba(52, 211, 153, 0.08),
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
  z-index: 0;
}
.det-tile.spotlight:hover::before {
  opacity: 1;
}
.det-tile > * {
  position: relative;
  z-index: 1;
}
.det-tile .det-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}
.det-tile .det-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent);
}
.det-tile .det-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.det-tile .det-tag.free {
  color: var(--accent);
  border-color: rgba(52, 211, 153, 0.3);
  background: rgba(52, 211, 153, 0.05);
}
.det-tile h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 10px;
}
.det-tile p {
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.55;
}
.det-tile code {
  font-family: var(--font-mono);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
}
.det-tile.feature {
  padding: 36px;
}
.det-tile.feature h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
}

/* mini focus mockup keyboard preview */
.focus-kbd {
  margin-top: 22px;
  display: inline-flex;
  gap: 6px;
  padding: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.focus-kbd > span {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.focus-kbd > span.tf {
  background: var(--surface-3);
  color: var(--accent);
  border-color: rgba(52, 211, 153, 0.3);
}
.focus-kbd > span.dim {
  color: var(--text-muted);
}

.det-stack {
  display: grid;
  gap: 18px;
  grid-template-rows: 1fr 1fr;
}

@media (max-width: 900px) {
  .deterministic-bento {
    grid-template-columns: 1fr;
  }
  .det-stack {
    grid-template-rows: auto auto;
  }
}

/* ───────────── personalization ───────────── */
.perso-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.perso {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.25s var(--ease);
}
.perso:hover {
  border-color: var(--border-2);
}
.perso .ico {
  color: var(--accent);
  margin-bottom: 10px;
}
.perso h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.perso p {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.5;
}
.perso.c4 {
  grid-column: span 4;
}
.perso.c3 {
  grid-column: span 3;
}
.perso.c5 {
  grid-column: span 5;
}
.perso.c6 {
  grid-column: span 6;
}
.perso.c12 {
  grid-column: span 12;
}
@media (max-width: 900px) {
  .perso.c4,
  .perso.c3,
  .perso.c5,
  .perso.c6,
  .perso.c12 {
    grid-column: span 12;
  }
}

/* ───────────── honesty ───────────── */
.honesty {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.honesty-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 1024px) {
  .honesty-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
.scorecard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  position: relative;
}
.scorecard h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.scorecard h3 .tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 8px;
  background: rgba(52, 211, 153, 0.08);
  border-radius: 4px;
}
.sc-row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  align-items: center;
}
.sc-row .label {
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 14px;
}
.sc-row .val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text);
}
.sc-row .val.up {
  color: var(--accent);
}
.sc-row .val.dn {
  color: var(--danger);
}
.sc-bar {
  height: 6px;
  background: var(--surface-3);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}
.sc-bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  border-radius: 3px;
}
.disclaimer {
  margin-top: 18px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--text-faint);
  font-style: italic;
}

/* ───────────── pricing ───────────── */
.pricing .head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 56px;
}
@media (max-width: 900px) {
  .pricing .head {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.price-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}
.pt-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  align-items: center;
}
.pt-row > div {
  padding: 18px 22px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.pt-row:first-child > div {
  border-top: 0;
}
.pt-row .feature {
  color: var(--text-muted);
  font-size: 14px;
}
.pt-row .plan {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
}
.pt-row .plan.muted {
  color: var(--text-muted);
}
.pt-row .plan.no {
  color: var(--text-faint);
}
.pt-row .plan.featured {
  background: rgba(52, 211, 153, 0.04);
  color: var(--text);
}
.pt-head .feature {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.pt-head .plan-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.pt-head .plan-name .sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.pt-head .plan.featured {
  color: var(--accent);
}
.pt-price {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}
.pt-price strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
  font-weight: 500;
}
.pt-price .featured strong {
  color: var(--accent);
}

.pt-row.cta-row {
  background: var(--surface-2);
}
.pt-row.cta-row .feature {
  color: var(--text);
}
.pt-row.cta-row .plan {
  text-align: left;
}
.btn-row {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--surface-3);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border-2);
  transition: transform 0.2s var(--ease);
}
.btn-row:hover {
  transform: translateY(-1px);
}
.btn-row.featured {
  background: var(--accent);
  color: #052016;
  border-color: var(--accent);
  box-shadow: 0 8px 20px -6px rgba(52, 211, 153, 0.4);
}

@media (max-width: 900px) {
  .pt-row {
    grid-template-columns: 1fr;
  }
  .pt-row > div {
    padding: 14px 18px;
    border-top: 1px solid var(--border);
  }
  .pt-row .feature::before {
    content: '';
    display: block;
    height: 1px;
    background: var(--accent);
    width: 28px;
    margin-bottom: 8px;
  }
  .pt-row .plan::before {
    content: attr(data-plan);
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-faint);
    margin-bottom: 4px;
  }
}

.pricing-notes {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.pricing-notes p {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}
.pricing-notes p strong {
  color: var(--text);
  font-weight: 500;
}
@media (max-width: 900px) {
  .pricing-notes {
    grid-template-columns: 1fr;
  }
}

/* ───────────── faq ───────────── */
.faq {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 1024px) {
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}
.faq-item[open] {
  border-color: var(--border-2);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.015em;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '';
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  background:
    linear-gradient(currentColor, currentColor) center / 14px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1.5px 14px no-repeat;
  transition: transform 0.25s var(--ease);
  color: var(--accent);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: linear-gradient(currentColor, currentColor) center / 14px 1.5px no-repeat;
}
.faq-item .faq-answer {
  padding: 0 26px 22px;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.65;
  max-width: 70ch;
}

/* ───────────── final cta ───────────── */
.final {
  text-align: center;
  padding: 160px 0;
  position: relative;
  background: radial-gradient(
    ellipse 900px 400px at 50% 60%,
    rgba(52, 211, 153, 0.1),
    transparent 70%
  );
}
.final h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.04em;
  max-width: 16ch;
  margin: 0 auto;
}
.final h2 .italic {
  color: var(--accent);
  font-style: italic;
  font-weight: 400;
}
.final p {
  margin: 28px auto 0;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 1.075rem;
}
.btn-mega {
  margin-top: 44px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 22px 38px;
  border-radius: 999px;
  background: var(--accent);
  color: #052016;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
  box-shadow:
    0 24px 50px -16px rgba(52, 211, 153, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transition: transform 0.2s var(--ease);
  will-change: transform;
}
.btn-mega:hover {
  transform: translateY(-3px);
}
.btn-mega:active {
  transform: scale(0.98);
}

.final-meta {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* ───────────── footer ───────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

a.mail {
  color: var(--text);
  border-bottom: 1px dashed var(--border-2);
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
a.mail:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.faq-answer a.mail {
  color: var(--accent);
  border-bottom-color: rgba(52, 211, 153, 0.35);
}
.faq-answer a.mail:hover {
  border-bottom-color: var(--accent);
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.foot-brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
.foot-blurb {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 40ch;
  line-height: 1.55;
}
.foot-col h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
  font-weight: 500;
}
.foot-col a {
  display: block;
  color: var(--text-muted);
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.2s var(--ease);
}
.foot-col a:hover {
  color: var(--text);
}

.legal {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}
.legal a {
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border-2);
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.legal a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ───────────── a11y ───────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 10px 16px;
  background: var(--accent);
  color: #052016;
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  z-index: 100;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
.nav-cta:focus-visible,
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-mega:focus-visible,
.btn-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* reduced motion */
@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;
  }
}

/* ───────────── error pages (404 / 50x) ───────────── */
body.error-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 32px;
  text-align: center;
  background-image:
    radial-gradient(ellipse 1000px 500px at 50% -10%, rgba(52, 211, 153, 0.1), transparent 60%),
    radial-gradient(ellipse 800px 500px at 50% 110%, rgba(96, 165, 250, 0.05), transparent 60%);
}
body.error-page.is-5xx {
  background-image:
    radial-gradient(ellipse 1000px 500px at 50% -10%, rgba(245, 185, 66, 0.08), transparent 60%),
    radial-gradient(ellipse 800px 500px at 50% 110%, rgba(96, 165, 250, 0.05), transparent 60%);
}
.error-page .wrap {
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.error-page .err-code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.error-page.is-5xx .err-code {
  color: var(--gold);
}
.error-page .err-code::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.error-page.is-5xx .err-code::before {
  background: var(--gold);
}
.error-page h1 {
  font-weight: 500;
  font-size: clamp(2.4rem, 9vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}
.error-page.is-404 h1 {
  font-size: clamp(3.5rem, 14vw, 6rem);
  line-height: 0.95;
}
.error-page h1 .dim {
  color: var(--text-faint);
}
.error-page p {
  margin: 0 auto;
  max-width: 44ch;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}
.error-page .actions {
  margin-top: 10px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ───────────── blog ───────────── */
.article-wrap {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 96px 20px;
}

.article-back {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}
.article-back:hover {
  color: var(--accent);
}
.article-meta {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 4px;
  padding: 0;
  list-style: none;
}
.tag-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.tag-chip.tag-setup {
  color: var(--accent);
  border-color: rgba(52, 211, 153, 0.3);
}
.tag-chip.tag-info {
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.3);
}
.article-tags.card {
  margin: 14px 0 0;
  gap: 6px;
}
.article-tags.card .tag-chip {
  font-size: 10.5px;
  padding: 4px 10px;
}
.article h1,
.blog-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
  margin: 12px 0 8px;
}
.article {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-muted);
}
.article h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text);
  margin: 48px 0 16px;
}
.article h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 32px 0 12px;
}
.article p {
  margin: 16px 0;
}
.article a {
  color: var(--accent);
  border-bottom: 1px solid rgba(52, 211, 153, 0.35);
  transition: border-color 0.2s var(--ease);
}
.article a:hover {
  border-bottom-color: var(--accent);
}
.article strong {
  color: var(--text);
  font-weight: 500;
}
.article ul,
.article ol {
  margin: 16px 0;
  padding-left: 24px;
}
.article li {
  margin: 8px 0;
}
.article li::marker {
  color: var(--accent);
}
.article blockquote {
  margin: 24px 0;
  padding: 4px 20px;
  border-left: 2px solid var(--accent);
  color: var(--text-faint);
  font-style: italic;
}
.article table {
  display: block;
  width: 100%;
  margin: 28px 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.95rem;
  line-height: 1.5;
}
.article thead th {
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 500;
  text-align: left;
  letter-spacing: -0.01em;
}
.article th,
.article td {
  padding: 11px 14px;
  border: 1px solid var(--border);
  vertical-align: top;
}
.article tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}
.article code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}
.article pre {
  margin: 24px 0;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}
.article pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.7;
}
.article img {
  margin: 24px auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.chart-figure {
  margin: 36px 0;
}
.chart-figure svg {
  display: block;
  width: 100%;
  height: auto;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  font-family: var(--font-mono);
}
.chart-figure figcaption {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.55;
}
.chart-figure figcaption .up {
  color: var(--accent);
}
.chart-figure figcaption .down {
  color: var(--danger);
}
.chart-figure figcaption .info {
  color: var(--blue);
}
.chart-figure figcaption .level {
  color: var(--gold);
}
.article hr {
  margin: 40px 0;
  border: 0;
  border-top: 1px solid var(--border);
}
.article em {
  color: var(--text-faint);
}
.article-cta {
  display: inline-flex;
  align-items: center;
  margin-top: 48px;
  padding: 16px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #052016;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15.5px;
  box-shadow: 0 12px 30px -10px rgba(52, 211, 153, 0.5);
  transition: transform 0.2s var(--ease);
}
.article-cta:hover {
  transform: translateY(-2px);
}
.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-pager-link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-width: 46%;
}
.article-pager-link.next {
  margin-left: auto;
  align-items: flex-end;
  text-align: right;
}
.article-pager-dir {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  transition: color 0.2s var(--ease);
}
.article-pager-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}
.article-pager-link:hover .article-pager-dir {
  color: var(--accent);
}
.article-pager-link:hover .article-pager-title {
  color: var(--text);
}
@media (max-width: 560px) {
  .article-pager {
    flex-direction: column;
    gap: 28px;
  }
  .article-pager-link,
  .article-pager-link.next {
    max-width: 100%;
    align-items: flex-start;
    text-align: left;
    margin-left: 0;
  }
}
.blog-index {
  max-width: 1080px;
}
.blog-index .section-lead {
  max-width: 640px;
}
.blog-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
@media (max-width: 920px) {
  .blog-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .blog-list {
    grid-template-columns: 1fr;
  }
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition:
    border-color 0.25s var(--ease),
    transform 0.25s var(--ease);
}
.blog-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}
.blog-card-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.blog-card h2,
.blog-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--text);
  margin: 10px 0 8px;
}
.blog-list.home {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 44px;
}
.blog-list.home .blog-card h3 {
  font-size: 1.2rem;
}
@media (max-width: 860px) {
  .blog-list.home {
    grid-template-columns: 1fr;
  }
}
.blog-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent);
  transition: color 0.2s var(--ease);
}
.blog-all:hover {
  color: var(--text);
}
.blog-card p {
  flex: 1;
  color: var(--text-muted);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ===== Docs ===== */
.docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 180px;
  gap: 2rem;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.5rem 28px 4rem;
}
.docs-sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
  max-height: calc(100vh - 108px);
  overflow-y: auto;
}
.docs-burger {
  display: none;
}
.docs-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.docs-nav-section {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin: 1.25rem 0 0.4rem;
}
.docs-nav-group > ul a {
  display: block;
  padding: 0.28rem 0.5rem;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
  border-left: 2px solid transparent;
}
.docs-nav-group > ul a:hover {
  background: var(--surface);
}
.docs-nav-group > ul a.active {
  border-left-color: var(--accent);
  color: var(--accent);
  background: var(--surface);
}
.docs-main {
  min-width: 0;
}
.docs-premium-badge {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.15rem 0.6rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.8rem;
}
.docs-article h2 {
  scroll-margin-top: 92px;
  margin-top: 2.25rem;
}
.docs-article code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}
.docs-article pre {
  margin: 1.25rem 0;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-width: 100%;
  overflow-x: auto;
}
.docs-article pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.7;
  white-space: pre;
}
.docs-article ul,
.docs-article ol {
  padding-left: 1.6rem;
  margin: 1rem 0;
}
.docs-article li {
  margin: 0.4rem 0;
  padding-left: 0.2rem;
}
.docs-article li::marker {
  color: var(--text-faint);
}
.docs-shot {
  margin: 1.5rem 0;
  padding: 0;
  border: 1px dashed var(--border-2);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.docs-shot figcaption {
  padding: 0.6rem 0.9rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px dashed var(--border-2);
}
.docs-shot .docs-shot-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.docs-shot.has-img {
  border: 1px solid var(--border);
  overflow: hidden;
}
.docs-shot.has-img img {
  display: block;
  width: 100%;
  height: auto;
}
.docs-toc {
  position: sticky;
  top: 92px;
  align-self: start;
  max-height: calc(100vh - 108px);
  overflow-y: auto;
  font-size: 0.85rem;
}
.docs-toc-title {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  color: var(--text-faint);
  margin-bottom: 0.5rem;
}
.docs-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.docs-toc a {
  display: block;
  padding: 0.2rem 0;
  color: var(--text-muted);
  text-decoration: none;
}
.docs-toc a:hover,
.docs-toc a.active {
  color: var(--accent);
}
.docs-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2.5rem 0;
}
.docs-pager-link {
  display: flex;
  flex-direction: column;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text);
}
.docs-pager-link.next {
  text-align: right;
}
.docs-pager-dir {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.docs-cta {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.4rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
}
@media (max-width: 1024px) {
  .docs-layout {
    grid-template-columns: 240px minmax(0, 1fr);
  }
  .docs-toc {
    display: none;
  }
}
@media (max-width: 700px) {
  .docs-layout {
    grid-template-columns: 1fr;
    padding: 1.5rem 20px 3rem;
  }
  .docs-sidebar {
    position: static;
    max-height: none;
  }
  .docs-burger {
    display: inline-block;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border-2);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
  }
  .docs-nav {
    display: none;
    margin-top: 0.75rem;
  }
  .docs-nav.open {
    display: block;
  }
}