/* ═══════════════════════════════════════════════════════
   Router by Ramp — routing fabric design system
   dark · engineered · Swiss restraint · one signal green
   ═══════════════════════════════════════════════════════ */

@font-face {
  font-family: 'Inter Tight';
  src: url('../fonts/InterTight-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/IBMPlexMono-600.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}

:root {
  --bg: #0A0A09;
  --bg-2: #0F0F0E;
  --panel: #131311;
  --panel-2: #171715;
  --ink: #F2F0E9;
  --ink-dim: #C9C6BB;
  --muted: #8F8C81;
  --line: rgba(242, 240, 233, 0.12);
  --line-soft: rgba(242, 240, 233, 0.07);
  --green: #3DD68C;
  --green-dim: rgba(61, 214, 140, 0.14);
  --amber: #E8B558;
  --amber-dim: rgba(232, 181, 88, 0.13);
  --display: 'Inter Tight', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --gutter: clamp(20px, 5vw, 72px);
  --max: 1320px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* provider hues (data colors, distinct from signal green) */
:root {
  --p-anthropic: #DA7756;
  --p-openai: #ECE9E2;
  --p-google: #6EA8FE;
  --p-moonshot: #A78BFA;
  --p-deepseek: #22D3EE;
  --p-zhipu: #94A3B8;
  --p-xai: #C7C2B4;
  --p-alibaba: #FB7185;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 420;
  letter-spacing: 0.002em;
  overflow-x: hidden;
}

::selection { background: var(--green); color: #06130C; }

a { color: inherit; }

h1, h2, h3 {
  font-weight: 620;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0;
}

h1 { font-size: clamp(2.9rem, 7.2vw, 6rem); }
h2 { font-size: clamp(2.1rem, 4.6vw, 3.9rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }

code, pre, .mono-label { font-family: var(--mono); }

.mono-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--green);
  margin: 0 0 1.4rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--green);
  vertical-align: middle;
  margin-right: 12px;
  transform: translateY(-2px);
}

.accent { color: var(--green); }

.lede {
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  color: var(--ink-dim);
  max-width: 56ch;
  margin: 1.4rem 0 0;
  font-weight: 400;
}
.lede strong { color: var(--ink); font-weight: 560; }

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 200;
  background: var(--green);
  color: #06130C;
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 10px 16px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease),
              border-color 0.18s var(--ease), color 0.18s var(--ease), box-shadow 0.18s var(--ease);
  white-space: nowrap;
}
.btn--solid {
  background: var(--ink);
  color: #0B0B0A;
  border-color: var(--ink);
}
.btn--solid:hover { background: var(--green); border-color: var(--green); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(61, 214, 140, 0.22); }
.btn--ghost { color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--lg { min-height: 52px; padding: 0 28px; font-size: 0.9rem; }

/* ─── ticker ─── */
.ticker {
  background: var(--green);
  color: #06130C;
  overflow: hidden;
  padding: 7px 0;
  border-bottom: 1px solid rgba(6, 19, 12, 0.2);
}
.ticker__track {
  display: flex;
  gap: 2.6rem;
  width: max-content;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  white-space: nowrap;
  animation: ticker-scroll 30s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__track i { font-style: normal; opacity: 0.55; }
@keyframes ticker-scroll { to { transform: translateX(-50%); } }

/* ─── nav ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 9, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--line); background: rgba(10, 10, 9, 0.92); }
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 68px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.wordmark__type {
  font-weight: 640;
  font-size: 1.22rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  gap: 7px;
}
.wordmark__type em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  transform: translateY(-1px);
}
.nav__links {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
}
.nav__links a {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: 6px 0;
  transition: color 0.15s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__ctas { display: flex; gap: 10px; }
.nav__ctas .btn { min-height: 40px; padding: 0 16px; }
.nav__menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.nav__menu-btn span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.2s var(--ease);
}
.nav__menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav__menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
.nav__mobile[hidden] { display: none; }
.nav__mobile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px var(--gutter) 20px;
  border-bottom: 1px solid var(--line);
}
.nav__mobile a {
  padding: 12px 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}
.nav__mobile .btn { margin-top: 12px; }

/* ─── reveal on scroll ─── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ─── shared section chrome ─── */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 8rem) var(--gutter) 0;
}
.section__head { margin-bottom: clamp(2.2rem, 4vw, 3.6rem); }

/* dotted routing-fabric texture */
.hero__field, .final-cta__field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(242, 240, 233, 0.13) 1px, transparent 1.4px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 20%, transparent 75%);
}

/* ─── hero ─── */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
.hero__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 6.5rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2.2rem; }

.hero__counters {
  display: flex;
  gap: clamp(1.4rem, 3vw, 3rem);
  margin: 2.6rem 0 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.counter dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}
.counter dd {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* routing simulation */
.hero__sim { min-width: 0; }
.sim {
  background: linear-gradient(160deg, var(--panel-2), var(--panel) 60%);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(61, 214, 140, 0.04);
}
.sim__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.sim__title { overflow: hidden; text-overflow: ellipsis; }
.sim__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: sim-blink 1.6s ease-in-out infinite;
  flex: none;
}
@keyframes sim-blink { 50% { opacity: 0.35; } }
.sim__baseline { margin-left: auto; color: var(--amber); opacity: 0.85; }
.sim__feed {
  list-style: none;
  margin: 0;
  padding: 10px 12px;
  height: 380px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
}
.sim-item {
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  background: rgba(242, 240, 233, 0.02);
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 0.74rem;
  animation: sim-in 0.45s var(--ease);
}
@keyframes sim-in {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.sim-item__top {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-dim);
}
.sim-item__id { color: var(--muted); flex: none; }
.sim-item__prompt {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}
.sim-item__diff {
  flex: none;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.sim-item__diff--simple { color: var(--green); border-color: rgba(61, 214, 140, 0.35); }
.sim-item__diff--complex { color: var(--amber); border-color: rgba(232, 181, 88, 0.35); }
.sim-item__route {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line-soft);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.sim-item.is-routed .sim-item__route { opacity: 1; }
.sim-item__arrow { color: var(--green); flex: none; }
.sim-item__model { color: var(--ink); font-weight: 500; }
.sim-item__costs { margin-left: auto; flex: none; font-variant-numeric: tabular-nums; }
.sim-item__costs s { color: var(--muted); margin-right: 8px; }
.sim-item__costs b { color: var(--green); font-weight: 600; }
.sim-item__eval {
  margin-top: 8px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.sim-item.is-routed .sim-item__eval { display: none; }
.sim-item__eval::after {
  content: "…";
  animation: sim-dots 1s steps(3) infinite;
}
@keyframes sim-dots { 0% { content: ""; } 33% { content: "."; } 66% { content: ".."; } 100% { content: "..."; } }
.sim__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.sim__pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex: none;
}
.hero__scrollhint {
  position: relative;
  display: flex;
  justify-content: center;
  padding-bottom: 26px;
}
.hero__scrollhint span {
  width: 1px;
  height: 44px;
  background: linear-gradient(var(--line), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scrollhint span::after {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  width: 1px;
  height: 12px;
  background: var(--green);
  animation: scroll-drip 2s var(--ease) infinite;
}
@keyframes scroll-drip { to { transform: translateY(60px); } }

/* ─── provider strip ─── */
.providers {
  border-bottom: 1px solid var(--line-soft);
  padding: 2.2rem 0 2rem;
  text-align: center;
}
.providers__label { margin: 0 0 1.4rem; }
.providers__marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent); }
.providers__track {
  display: flex;
  gap: 3.5rem;
  width: max-content;
  align-items: center;
  animation: ticker-scroll 36s linear infinite;
  padding: 0 1.75rem;
}
.providers__marquee:hover .providers__track { animation-play-state: paused; }
.provider-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}
.provider-chip:hover { color: var(--ink); }
.provider-chip img { width: 20px; height: 20px; filter: invert(0.92) hue-rotate(180deg); opacity: 0.8; }

/* marks (dark source artwork → light on dark bg) */
.mark { filter: invert(0.92) hue-rotate(180deg); }

/* ─── chart panels ─── */
.chart-panel, .bench-panel {
  position: relative;
  background: linear-gradient(170deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: clamp(1.2rem, 2.5vw, 2rem);
  overflow: hidden;
}
.chart-panel__bar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
}
.chip {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 999px;
}
.chip--green { background: var(--green-dim); color: var(--green); border: 1px solid rgba(61, 214, 140, 0.3); }
.chip--amber { background: var(--amber-dim); color: var(--amber); border: 1px solid rgba(232, 181, 88, 0.3); }
.chart-legend {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}
.chart-legend span { display: inline-flex; align-items: center; gap: 7px; }
.swatch { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.swatch--default { background: rgba(242, 240, 233, 0.32); }
.swatch--flex { background: var(--green); }

.impact__chart { position: relative; }
.impact__chart svg { display: block; width: 100%; height: auto; }
.impact-bar { cursor: pointer; transition: opacity 0.15s var(--ease); }
.impact-bar:hover { opacity: 0.82; }
.impact-bar rect { transition: transform 1s var(--ease); transform-origin: bottom; transform-box: fill-box; }
.impact__chart:not(.is-drawn) .impact-bar rect { transform: scaleY(0); }

.impact__tooltip, .bench__tooltip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  background: #1D1D1A;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-dim);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55);
  max-width: 260px;
  line-height: 1.7;
}
.impact__tooltip b, .bench__tooltip b { color: var(--ink); font-weight: 600; }
.impact__tooltip .accent, .bench__tooltip .accent { font-weight: 600; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1.4rem;
}
.pillar {
  background: var(--bg-2);
  padding: 1.6rem 1.5rem;
  transition: background 0.25s var(--ease);
}
.pillar:hover { background: var(--panel-2); }
.pillar .mono-label { color: var(--ink); margin: 0 0 0.7rem; display: block; }
.pillar p:last-child { margin: 0; color: var(--muted); font-size: 0.94rem; }

/* ─── calculator ─── */
.calculator .methodology, .methodology {
  max-width: var(--max);
  margin: 1.6rem auto 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
}
.section .methodology { margin-top: 1.6rem; }
.methodology a { color: var(--ink-dim); }
.methodology code, .calc__note code {
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.78em;
  color: var(--ink-dim);
}
.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.calc__inputs, .calc__results {
  background: var(--bg-2);
  padding: clamp(1.6rem, 3vw, 2.6rem);
}
.calc__field { margin-bottom: 2.2rem; }
.calc__field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 10px;
}
.calc__field output {
  display: block;
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.calc__scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.64rem;
  color: var(--muted);
  margin-top: 8px;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 44px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: linear-gradient(90deg, var(--green) var(--fill, 50%), rgba(242, 240, 233, 0.18) var(--fill, 50%));
  border-radius: 1px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--green);
  margin-top: -10px;
  box-shadow: 0 0 0 5px rgba(61, 214, 140, 0.12);
  transition: box-shadow 0.15s var(--ease);
}
input[type="range"]:active::-webkit-slider-thumb { box-shadow: 0 0 0 9px rgba(61, 214, 140, 0.18); }
input[type="range"]::-moz-range-track { height: 2px; background: rgba(242, 240, 233, 0.18); }
input[type="range"]::-moz-range-progress { height: 2px; background: var(--green); }
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--green);
  box-shadow: 0 0 0 5px rgba(61, 214, 140, 0.12);
}
.calc__note { margin: 0; font-size: 0.85rem; color: var(--muted); line-height: 1.7; }
.calc__results { display: flex; flex-direction: column; justify-content: center; }
.calc__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.55rem 0;
}
.calc__k { font-size: 0.95rem; color: var(--muted); }
.calc__v {
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.calc__row--big .calc__k { color: var(--ink); font-weight: 560; }
.calc__row--big .calc__v { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 600; }
.calc__divider { height: 1px; background: var(--line); margin: 0.9rem 0; }
.calc__pct {
  margin: 1.1rem 0 0;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(61, 214, 140, 0.3);
  border-radius: 999px;
  padding: 5px 12px;
}

/* ─── catalog ─── */
.catalog__controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}
.catalog__filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-chip {
  min-height: 44px;
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.16s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.filter-chip i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--chip-c, var(--ink));
  display: inline-block;
}
.filter-chip:hover { color: var(--ink); border-color: var(--ink-dim); }
.filter-chip[aria-pressed="true"] {
  color: var(--ink);
  background: var(--panel-2);
  border-color: var(--ink-dim);
}
.catalog__sort { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.catalog__sort select {
  min-height: 44px;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.76rem;
  padding: 0 34px 0 12px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238F8C81' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.catalog__table-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-2);
}
.catalog__table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.catalog__table thead th {
  text-align: left;
  font-size: 0.64rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  white-space: nowrap;
}
.catalog__table th.num, .catalog__table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.catalog__table tbody td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-dim);
  white-space: nowrap;
}
.catalog__table tbody tr { transition: background 0.14s var(--ease); animation: sim-in 0.35s var(--ease); }
.catalog__table tbody tr:hover { background: rgba(242, 240, 233, 0.03); }
.catalog__table tbody tr:last-child td { border-bottom: none; }
.cell-model { display: flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 500; }
.cell-model img { width: 18px; height: 18px; flex: none; }
.cell-model .cell-provider { color: var(--muted); font-weight: 400; font-size: 0.68rem; }
.tier-pill {
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.tier-pill--frontier { color: var(--amber); border-color: rgba(232, 181, 88, 0.35); background: var(--amber-dim); }
.tier-pill--balanced { color: var(--ink-dim); border-color: var(--line); }
.tier-pill--budget { color: var(--green); border-color: rgba(61, 214, 140, 0.35); background: var(--green-dim); }
td.cell-cost { color: var(--ink); font-weight: 500; }
td.cell-cost.is-cheap { color: var(--green); }
.catalog__foot { margin-top: 1rem; }

/* ─── compare ─── */
.compare__prompt {
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  background: var(--bg-2);
  padding: 1.2rem 1.5rem;
  margin-bottom: 1.6rem;
  max-width: 760px;
}
.compare__prompt p { margin: 0.5rem 0 0; font-size: 1.05rem; color: var(--ink); }
.compare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 1.2rem;
  align-items: stretch;
}
.compare__vs {
  align-self: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
}
.compare__card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.compare__card--winner { border-color: rgba(61, 214, 140, 0.4); box-shadow: 0 0 40px rgba(61, 214, 140, 0.06); }
.compare__card header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
}
.compare__card header h3 { font-size: 0.98rem; }
.compare__card header .chip { margin-left: auto; }
.compare__code {
  margin: 0;
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--ink-dim);
  min-height: 190px;
  white-space: pre-wrap;
  word-break: break-word;
  flex: 1;
}
.compare__code .caret {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--green);
  vertical-align: -2px;
  animation: caret-blink 0.9s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }
.compare__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line-soft);
}
.compare__stats > div { padding: 12px 14px; border-right: 1px solid var(--line-soft); }
.compare__stats > div:last-child { border-right: none; }
.compare__stats dt {
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 5px;
}
.compare__stats dd { margin: 0; font-family: var(--mono); font-size: 0.85rem; font-weight: 500; }
.compare__takeaway {
  margin: 2rem 0 0;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  max-width: 60ch;
  color: var(--ink-dim);
  font-weight: 420;
}
.compare__takeaway .accent { font-weight: 560; }

/* ─── benchmark scatter ─── */
.bench-panel { padding-bottom: 1.2rem; }
.bench__plot { position: relative; }
.bench__plot svg { display: block; width: 100%; height: auto; }
.bench-point { cursor: pointer; }
.bench-point circle.core {
  transition: r 0.16s var(--ease), opacity 0.2s var(--ease);
}
.bench-point:hover circle.core, .bench-point.is-active circle.core { opacity: 1; }
.bench-point circle.halo { opacity: 0; transition: opacity 0.16s var(--ease); }
.bench-point:hover circle.halo, .bench-point.is-active circle.halo { opacity: 0.25; }
.bench-panel:not(.is-drawn) .bench-point { opacity: 0; transform: translateY(12px); }
.bench-point { transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); transition-delay: var(--d, 0s); }
.bench__annotation {
  position: absolute;
  top: 7%;
  left: 38%;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  line-height: 1.6;
  pointer-events: none;
}
.bench__annotation-arrow { font-size: 1.1rem; transform: translateY(-3px); }
.bench__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.bench__legend span { display: inline-flex; align-items: center; gap: 7px; }
.bench__legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.bench__ctas { margin-top: 1.8rem; display: flex; gap: 12px; flex-wrap: wrap; }

/* ─── proof ─── */
.proof__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.proof__stat {
  background: var(--bg-2);
  padding: clamp(1.4rem, 2.6vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.25s var(--ease);
}
.proof__stat:hover { background: var(--panel-2); }
.proof__big {
  font-family: var(--mono);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.proof__quote {
  margin: 1.4rem 0 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(140deg, var(--panel-2), var(--bg-2));
  padding: clamp(1.8rem, 4vw, 3rem);
}
.proof__quote p {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
  max-width: 34ch;
}
.proof__quote footer {
  margin-top: 1.6rem;
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.proof__quote footer span { color: var(--muted); }

/* ─── voices ─── */
.voices__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.voice {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  padding: clamp(1.5rem, 2.6vw, 2.2rem);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.voice:hover { transform: translateY(-4px); border-color: var(--ink-dim); }
.voice p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink-dim);
  flex: 1;
}
.voice--lead {
  grid-row: span 1;
  background: linear-gradient(150deg, var(--panel-2), var(--bg-2));
  border-color: rgba(61, 214, 140, 0.35);
}
.voice--lead p { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -0.015em; color: var(--ink); font-weight: 460; }
.voice footer {
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.76rem;
}
.voice footer span { color: var(--muted); }

/* ─── getting started ─── */
.start__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1.4rem;
  align-items: start;
}
.code-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  overflow: hidden;
}
.code-panel__tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
}
.code-panel__tabs [role="tab"] {
  min-height: 48px;
  padding: 0 18px;
  background: none;
  border: none;
  border-right: 1px solid var(--line-soft);
  border-bottom: 2px solid transparent;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.code-panel__tabs [role="tab"]:hover { color: var(--ink); }
.code-panel__tabs [role="tab"][aria-selected="true"] {
  color: var(--ink);
  background: var(--bg-2);
  border-bottom-color: var(--green);
}
.code-panel__body pre {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 0.79rem;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--ink-dim);
  min-height: 300px;
}
.c-kw { color: #A78BFA; }
.c-str { color: var(--green); }
.c-cmt { color: var(--muted); font-style: italic; }
.c-num { color: var(--amber); }
.code-panel__foot {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.copy-btn {
  min-height: 44px;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.16s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.copy-btn:hover { border-color: var(--ink-dim); transform: translateY(-1px); }
.copy-btn.is-copied {
  color: var(--green);
  border-color: rgba(61, 214, 140, 0.45);
  background: var(--green-dim);
}
.copy-btn--agent { margin-left: auto; }
.start__side { display: flex; flex-direction: column; gap: 1.4rem; }
.start__cli {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  padding: 1.5rem;
}
.start__cli .mono-label { display: block; margin-bottom: 0.7rem; color: var(--ink); }
.start__cli-copy { margin: 0 0 1.1rem; font-size: 0.88rem; color: var(--muted); line-height: 1.65; }
.cli-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
}
.cli-box code {
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--ink-dim);
  word-break: break-all;
  flex: 1;
  min-width: 0;
}
.copy-btn--icon { flex: none; min-height: 44px; padding: 0 12px; }
.start__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  overflow: hidden;
}
.start__facts li {
  background: var(--bg-2);
  padding: 1.1rem 1.4rem;
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.6;
}
.start__facts .mono-label { display: block; margin-bottom: 5px; color: var(--green); }

/* ─── FAQ ─── */
.faq__list {
  border-top: 1px solid var(--line);
  max-width: 900px;
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  min-height: 64px;
  padding: 1rem 0;
  background: none;
  border: none;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 520;
  letter-spacing: -0.01em;
  text-align: left;
  cursor: pointer;
  transition: color 0.15s var(--ease);
}
.faq-item__q:hover { color: var(--green); }
.faq-item__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  flex: none;
}
.faq-item__icon {
  margin-left: auto;
  flex: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.faq-item__icon::before, .faq-item__icon::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}
.faq-item__icon::after { transform: rotate(90deg); }
.faq-item__q[aria-expanded="true"] .faq-item__icon { transform: rotate(45deg); border-color: var(--green); background: var(--green-dim); }
.faq-item__a {
  overflow: hidden;
  height: 0;
  transition: height 0.4s var(--ease);
}
.faq-item__a-inner {
  padding: 0 0 1.6rem calc(1.2rem + 24px);
  color: var(--ink-dim);
  font-size: 0.96rem;
  line-height: 1.7;
  max-width: 62ch;
}
.faq-item__a-inner a { color: var(--green); }
.faq-item__a-inner code {
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.82em;
}

/* ─── final CTA ─── */
.final-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(6rem, 12vw, 10rem) var(--gutter);
  margin-top: clamp(4.5rem, 9vw, 8rem);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.final-cta .eyebrow { justify-content: center; }
.final-cta .eyebrow::before { display: none; }
.final-cta h2 { font-size: clamp(2.6rem, 6.5vw, 5.4rem); }
.final-cta .hero__ctas { justify-content: center; margin-top: 2.6rem; }
.final-cta__fine { margin-top: 2.2rem; }
.final-cta__field {
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black 10%, transparent 70%);
}

/* ─── footer ─── */
.footer { padding: clamp(3rem, 6vw, 4.5rem) var(--gutter) 2rem; }
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 2rem;
}
.footer__tag { color: var(--muted); font-size: 0.86rem; margin-top: 1rem; max-width: 22ch; }
.footer__col { display: flex; flex-direction: column; gap: 2px; }
.footer__col .mono-label { margin-bottom: 6px; }
.footer__col a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 12px 0;
  transition: color 0.15s var(--ease);
}
.footer__col a:hover { color: var(--green); }
.footer__base {
  max-width: var(--max);
  margin: 3rem auto 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ═══ responsive ═══ */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero__sim { max-width: 640px; }
  .proof__grid { grid-template-columns: repeat(2, 1fr); }
  .voices__grid { grid-template-columns: 1fr; }
  .start__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav__links, .nav__ctas { display: none; }
  .nav__menu-btn { display: flex; margin-left: auto; }
  .calc { grid-template-columns: 1fr; }
  .compare__grid { grid-template-columns: 1fr; }
  .compare__vs { justify-self: center; }
  .pillars { grid-template-columns: 1fr; }
  .sim__baseline { display: none; }
  .sim__feed { height: 330px; }

  /* catalog → cards */
  .catalog__table thead {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .catalog__table, .catalog__table tbody, .catalog__table tr, .catalog__table td { display: block; width: 100%; }
  .catalog__table tbody tr {
    border-bottom: 1px solid var(--line);
    padding: 14px 16px;
  }
  .catalog__table tbody td {
    border: none;
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    white-space: normal;
  }
  .catalog__table tbody td::before {
    content: attr(data-label);
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
  }
  .catalog__table tbody td.cell-model-wrap { padding-bottom: 10px; }
  .catalog__table tbody td.cell-model-wrap::before { content: none; }
  .catalog__sort { margin-left: 0; width: 100%; }
  .catalog__sort select { flex: 1; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .btn { white-space: normal; text-align: center; }
  .hero__counters { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 1rem 1.4rem; }
  .counter dt { font-size: 0.56rem; }
  .counter dd { font-size: 1.05rem; }
  .proof__grid { grid-template-columns: 1fr; }
  .compare__stats { grid-template-columns: 1fr 1fr 1fr; }
  .compare__stats dt { font-size: 0.52rem; }
  .bench__annotation { position: static; margin: 0 0 1rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .wordmark__type em { display: none; }
}

/* ═══ reduced motion ═══ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .ticker__track, .providers__track { animation: none; }
  .reveal { opacity: 1; transform: none; }
  .impact__chart:not(.is-drawn) .impact-bar rect { transform: none; }
  .bench-panel:not(.is-drawn) .bench-point { opacity: 1; transform: none; }
}