/* Headwater marketing site — approved October 2026 identity.
   Minimalist, motion-forward, honest. No framework. */

:root {
  --navy: #0F1F2D;
  --green: #1E5D46;
  --orange: #B94F28;
  --water: #329AC1;
  --sky: #7EC8E6;
  --sun: #F4B13F;
  --slate: #294E63;
  --cream: #FAF7F0;

  --bg: var(--cream);
  --bg-2: #F3EEE3;
  --surface: #FFFFFF;
  --ink: var(--navy);
  --ink-2: #44525E;
  --ink-3: #5F6B75;
  --line: #E3DDD0;
  --accent: var(--orange);
  --accent-2: var(--green);
  --term-bg: #0B1620;
  --term-ink: #D9E6EE;
  --ok: #2E8B57;
  --warn: #C98A1B;
  --bad: #B3362C;
  --ok-text: #1E6B42;
  --warn-text: #8A5A00;
  --block-text: #A32F26;
  --hash-ink: #1A7A9F;
  --band: var(--navy);
  --band-line: transparent;
  --lip: rgba(255,255,255,.4);

  --font-display: "Inter Tight", "Inter Tight Fallback", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --t-fast: .25s;
  --t-med: .6s;
  --t-slow: .9s;

  --radius: 16px;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1F2D;
    --bg-2: #122535;
    --surface: #152A3B;
    --ink: #EEF4F7;
    --ink-2: #B9C7D1;
    --ink-3: #7F93A1;
    --line: #243B4D;
    --accent: #E07A4E;
    --accent-2: #5FB58F;
    --term-bg: #08121A;
    --ok-text: #5FD39A;
    --warn-text: #F4B13F;
    --block-text: #FF7B6B;
    --hash-ink: #329AC1;
    --band: #0A1824;
    --band-line: #1B3042;
    --lip: rgba(255,255,255,.06);
  }
}
:root[data-theme="dark"] {
  --bg: #0F1F2D; --bg-2: #122535; --surface: #152A3B; --ink: #EEF4F7; --ink-2: #B9C7D1;
  --ink-3: #7F93A1; --line: #243B4D; --accent: #E07A4E; --accent-2: #5FB58F; --term-bg: #08121A;
  --ok-text: #5FD39A; --warn-text: #F4B13F; --block-text: #FF7B6B; --hash-ink: #329AC1;
  --band: #0A1824; --band-line: #1B3042; --lip: rgba(255,255,255,.06);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
@font-face { font-family: "Inter Tight Fallback"; src: local("Arial"); size-adjust: 96%; ascent-override: 92%; descent-override: 23%; line-gap-override: 0%; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.08; margin: 0 0 .5em; font-weight: 600; }
h2 { font-size: clamp(30px, 4.2vw, 46px); max-width: 20ch; }
h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.center { margin-left: auto; margin-right: auto; text-align: center; }
.muted { color: var(--ink-3); }
.small { font-size: 14px; color: var(--ink-3); }
.mono { font-family: var(--font-mono); font-size: .92em; }
em { font-style: italic; color: var(--ink); }
.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
section { padding: clamp(64px, 8.5vw, 120px) 0; position: relative; }
.how { padding-top: clamp(56px, 7vw, 96px); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 18px;
}

.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }
.recall :focus-visible, .term :focus-visible, .blame :focus-visible, .panel :focus-visible { outline-color: var(--sky); }
section:focus, main:focus { outline: none; }

/* ---------- progress ---------- */
.progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; background: transparent; }
.progress span { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, var(--water), var(--sky)); will-change: transform; }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  transition: background var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease), backdrop-filter var(--t-med);
}
.nav.is-scrolled {
  padding: 10px var(--gutter);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__name { font-family: var(--font-display); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); font-size: 17px; }
.nav__links { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 500; }
.nav__links a:not(.btn) { position: relative; color: var(--ink-2); transition: color var(--t-fast); }
.nav__links a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1.5px; background: var(--accent-2); transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out); }
.nav__links a:not(.btn):hover { color: var(--ink); }
.nav__links a:not(.btn):hover::after { transform: scaleX(1); }
.nav__toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.nav__toggle span { display: block; height: 2px; background: var(--ink); margin: 6px 0; transition: transform var(--t-med) var(--ease), opacity var(--t-fast); transform-origin: center; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile[hidden] { display: none; }
.mobile { position: fixed; inset: 0; z-index: 45; background: var(--bg); display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 0 var(--gutter); }
.mobile a { font-family: var(--font-display); font-size: 34px; font-weight: 600; padding: 10px 0; border-bottom: 1px solid var(--line); opacity: 0; transform: translateY(14px); animation: rise .6s var(--ease-out) forwards; }
.mobile a:nth-child(2) { animation-delay: .06s } .mobile a:nth-child(3) { animation-delay: .12s } .mobile a:nth-child(4) { animation-delay: .18s } .mobile a:nth-child(5) { animation-delay: .24s }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (min-width: 861px) { .mobile { display: none !important; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  font-weight: 600; font-size: 15px; line-height: 1;
  border: 1.5px solid transparent;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-med);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--green); color: #fff; box-shadow: 0 10px 30px -14px rgba(30, 93, 70, .7); }
.btn--primary:hover { background: #17503B; box-shadow: 0 16px 36px -14px rgba(30, 93, 70, .8); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink-3); }
.btn--small { padding: 9px 16px; font-size: 14px; background: var(--ink); color: var(--bg); }
.btn--small:hover { background: var(--green); color: #fff; }
.btn--large { padding: 16px 26px; font-size: 17px; font-family: var(--font-mono); font-weight: 500; letter-spacing: .01em; }

/* ---------- reveal system ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out); transition-delay: var(--d, 0ms); }
.js .reveal:not(.is-in) { will-change: opacity, transform; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.hero { min-height: 100svh; display: grid; align-items: center; padding-top: 120px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.river { width: 100%; height: 100%; animation: drift 14s ease-in-out 6s infinite alternate; will-change: transform; }
.river__path { fill: none; stroke: url(#riverGrad); stroke-width: 1.4; stroke-linecap: round; stroke-dasharray: 2400; stroke-dashoffset: 2400; opacity: .55; animation: flow 18s var(--ease-out) infinite; }
.river__path.r2 { animation-delay: .4s; opacity: .4; }
.river__path.r3 { animation-delay: .8s; opacity: .3; }
@keyframes flow { 0% { stroke-dashoffset: 2400; } 33% { stroke-dashoffset: 0; } 85% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -2400; } }
@keyframes drift { from { transform: translateY(0); } to { transform: translateY(-14px); } }

.hero__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.display { font-size: clamp(38px, 5.3vw, 70px); font-weight: 700; line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 28px; }
.display .line { display: block; overflow: hidden; padding-bottom: .08em; }
.display .line.sub { font-weight: 500; color: var(--ink-2); font-size: .72em; letter-spacing: -0.025em; margin-top: .18em; }
.display .word { display: inline-block; }
.js .display .word { transform: translateY(110%); opacity: 0; animation: wordUp .8s var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 45ms + 80ms); }
.js .display .word.is-in { animation: none; opacity: 1; transform: none; }
.display .accent { color: var(--accent); }
.display .green { color: var(--accent-2); }
@keyframes wordUp { to { transform: none; opacity: 1; } }
.lede { font-size: clamp(17px, 1.4vw, 20px); color: var(--ink-2); max-width: 56ch; margin-bottom: 30px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__art { position: relative; display: grid; place-items: center; }
.receipt {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px 18px;
  box-shadow: 0 30px 80px -40px rgba(15, 31, 45, .45), 0 2px 0 var(--lip) inset;
  font-family: var(--font-mono);
  font-size: 13.5px;
  transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .5s var(--ease-out);
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }
.receipt__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.receipt__id { color: var(--ink-3); }
.receipt__rows { margin: 0; display: grid; gap: 9px; }
.receipt__rows div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; align-items: baseline; }
.receipt__rows dt { color: var(--ink-3); }
.receipt__rows dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.hash { position: relative; color: var(--hash-ink) !important; }
.js .hash__sizer { visibility: hidden; }
.hash__typed { position: absolute; inset: 0; }
.js .hash__typed::after { content: "▍"; animation: caret 1s steps(1) infinite; color: var(--ink-3); }
.hash.is-done .hash__typed::after { content: ""; }
@keyframes caret { 50% { opacity: 0; } }
.receipt__foot { margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--ink-3); font-size: 12px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-family: var(--font-mono); white-space: nowrap; }
.chip--ok { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok-text); }
.chip--drill { background: color-mix(in srgb, var(--sun) 14%, transparent); color: var(--sun); }
.chip--open { background: color-mix(in srgb, var(--ok) 14%, transparent); color: #5FD39A; }
.tick { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 20; stroke-dashoffset: 20; animation: tickLoop 6s var(--ease-out) 2.4s infinite; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes tickLoop { 0% { stroke-dashoffset: 20; } 14% { stroke-dashoffset: 0; } 90% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: 20; } }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot--live { background: var(--ok); box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 50%, transparent); animation: ping 2.2s var(--ease-out) infinite; }
@keyframes ping { to { box-shadow: 0 0 0 10px transparent; } }

.chain { position: absolute; left: 50%; bottom: -34px; transform: translateX(-50%); display: flex; gap: 14px; }
.chain span { width: 8px; height: 8px; border-radius: 2px; background: var(--line); position: relative; animation: chainOn 3.2s var(--ease) infinite; }
.chain span + span::before { content: ""; position: absolute; right: 100%; top: 50%; width: 14px; height: 1px; background: var(--line); transform: translateY(-50%); }
.chain span:nth-child(2) { animation-delay: .25s } .chain span:nth-child(3) { animation-delay: .5s } .chain span:nth-child(4) { animation-delay: .75s } .chain span:nth-child(5) { animation-delay: 1s } .chain span:nth-child(6) { animation-delay: 1.25s }
@keyframes chainOn { 0%, 40%, 100% { background: var(--line); box-shadow: none; } 15% { background: var(--water); box-shadow: 0 0 0 3px color-mix(in srgb, var(--water) 25%, transparent); } }

/* ---------- the gap ---------- */
.gap { background: var(--bg-2); }
.gap__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.blame { margin: 0; background: var(--term-bg); color: var(--term-ink); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 80px -40px rgba(15, 31, 45, .6); font-family: var(--font-mono); font-size: 13.5px; }
.blame__bar, .term__bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: rgba(255,255,255,.04); border-bottom: 1px solid rgba(255,255,255,.06); }
.blame__bar span:not(.blame__title), .term__bar span:not(.term__title) { width: 10px; height: 10px; border-radius: 50%; background: #2A3B4A; }
.blame__title, .term__title { margin-left: 8px; color: #7F93A1; font-size: 12px; }
.blame__code { margin: 0; padding: 18px 20px 20px; overflow-x: auto; line-height: 1.75; scrollbar-width: none; }
.blame__code::-webkit-scrollbar { display: none; }
.blame__code:focus-visible { outline-offset: -3px; }
.ln { color: #7F93A1; display: inline-block; width: 2ch; text-align: right; margin-right: 10px; }
.blame .who { display: inline-block; min-width: 13ch; color: var(--sky); position: relative; transition: color var(--t-med); }
.blame .who.is-ai { color: var(--sun); }
.src { color: #D9E6EE; }
.blame__cap { padding: 10px 20px 14px; color: #7F93A1; font-size: 12px; border-top: 1px solid rgba(255,255,255,.06); display: flex; justify-content: space-between; }
.blame__label { transition: color var(--t-med); }
.blame__label.is-ai { color: var(--sun); }

/* ---------- how ---------- */
.steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; z-index: 1; counter-reset: step; }
.step { position: relative; padding: 28px 22px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out), border-color var(--t-med); }
.step:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(15,31,45,.45); border-color: color-mix(in srgb, var(--accent-2) 40%, var(--line)); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; top: 18px; right: 20px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.step__icon { width: 56px; height: 56px; margin-bottom: 18px; color: var(--accent-2); }
.step__icon svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.step p { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.step .pulse { fill: var(--accent); stroke: none; transform-origin: 34px 33px; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(.7); opacity: .6; } }
.step .link { stroke: var(--water); stroke-dasharray: 4; animation: dashMove 1.2s linear infinite; }
@keyframes dashMove { to { stroke-dashoffset: -8; } }
.step .heart { stroke: var(--accent); }
.js .step .heart { stroke-dasharray: 120; stroke-dashoffset: 120; }
.step.is-in .heart { animation: heartLoop 5s var(--ease-out) .4s infinite; }
@keyframes heartLoop { 0% { stroke-dashoffset: 120; } 32% { stroke-dashoffset: 0; } 85% { stroke-dashoffset: 0; } 100% { stroke-dashoffset: -120; } }
.step .sweep { fill: color-mix(in srgb, var(--water) 30%, transparent); stroke: none; transform-origin: 24px 24px; animation: spin 4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- recall ---------- */
.recall { background: var(--band); color: #EEF4F7; border-top: 1px solid var(--band-line); border-bottom: 1px solid var(--band-line); }
.recall .eyebrow { color: var(--sky); }
.recall h2 { color: #fff; }
.recall p { color: #B9C7D1; }
.recall__grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.facts { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.facts li { display: grid; grid-template-columns: 90px 1fr; gap: 14px; align-items: baseline; color: #B9C7D1; font-size: 15.5px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.08); }
.facts strong { font-family: var(--font-display); font-size: 30px; font-weight: 600; color: #fff; letter-spacing: -0.02em; }
.recall__art { display: grid; gap: 18px; }
.panel { background: #152A3B; border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 18px 20px; font-family: var(--font-mono); font-size: 13px; color: #D9E6EE; box-shadow: 0 30px 80px -40px rgba(0,0,0,.7); }
.panel__head, .panel__foot { display: flex; justify-content: space-between; color: #7F93A1; font-size: 12px; }
.panel__foot { margin-top: 12px; }
.bars { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.bars li { display: grid; grid-template-columns: 140px 1fr 56px; gap: 12px; align-items: center; }
.bars__name { color: #D9E6EE; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bars__track { height: 8px; background: rgba(255,255,255,.06); border-radius: 4px; overflow: hidden; }
.bars__fill { display: block; height: 100%; width: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--sun), var(--orange)); transform: scaleX(var(--p, 0)); transform-origin: left; }
.js .bars__fill { transform: scaleX(0); }
.js .exposure.is-in .bars__fill { animation: barLoop 7s var(--ease-out) infinite; }
.bars li:nth-child(2) .bars__fill { animation-delay: .12s } .bars li:nth-child(3) .bars__fill { animation-delay: .24s }
@keyframes barLoop { 0% { transform: scaleX(0); } 20% { transform: scaleX(var(--p, 0)); } 88% { transform: scaleX(var(--p, 0)); } 100% { transform: scaleX(0); } }
.bars__n { text-align: right; color: #B9C7D1; font-variant-numeric: tabular-nums; }
.pr__title { font-size: 14px; color: #fff; display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.pr__icon { color: var(--sky); }
.pr__meta { display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; color: #B9C7D1; font-size: 12.5px; }
.pr__meta span { white-space: nowrap; }
.pr__files { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 6px; }
.pr__files li { display: flex; gap: 10px; align-items: baseline; }
.pr__files .muted { margin-left: auto; color: #7F93A1; font-size: 12px; }
.plus { color: #5FD39A; font-weight: 600; }
.pr__foot { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.08); color: var(--sky); font-size: 12.5px; }

/* ---------- evidence ---------- */
.evidence__head { max-width: 760px; }
.evidence__head p { color: var(--ink-2); }
.evidence__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 5vw, 64px); margin-top: 48px; align-items: start; }
.verify { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.verify li { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); align-items: start; }
.verify li:last-child { border-bottom: 1px solid var(--line); }
.verify h3 { font-size: 17px; margin-bottom: 4px; }
.verify p { margin: 0; color: var(--ink-2); font-size: 15px; }
.num { width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--line); display: grid; place-items: center; font-family: var(--font-mono); font-size: 13px; color: var(--accent-2); transition: background var(--t-med), color var(--t-med), border-color var(--t-med); }
.verify li:hover .num { background: var(--accent-2); color: #fff; border-color: var(--accent-2); }

.term { margin: 0; position: relative; background: var(--term-bg); color: var(--term-ink); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 80px -40px rgba(15,31,45,.6); font-family: var(--font-mono); font-size: 13.5px; }
.term__body { margin: 0; padding: 18px 20px 22px; min-height: 230px; line-height: 1.7; white-space: pre-wrap; overflow-wrap: anywhere; }
#verifyTerm { min-height: 330px; }
.term__body .ok { color: #5FD39A; }
.term__body .bad { color: #FF7B6B; }
.term__body .warn { color: var(--sun); }
.term__body .dim { color: #7F93A1; }
.term__body .cmd::before { content: "$ "; color: #7F93A1; }
.term__body .cursor::after { content: "▍"; animation: caret 1s steps(1) infinite; color: #7F93A1; }

/* ---------- guard ---------- */
.guard { background: var(--bg-2); }
.guard__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.guard__copy p { color: var(--ink-2); }
.term--guard .term__body { min-height: 210px; }
.verdicts { display: flex; gap: 10px; margin: 8px 0 14px; }
.verdict { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .08em; padding: 6px 12px; border-radius: 6px; border: 1px solid transparent; }
.verdict--allow { color: var(--ok-text); border-color: color-mix(in srgb, var(--ok) 40%, transparent); background: color-mix(in srgb, var(--ok) 10%, transparent); }
.verdict--warn { color: var(--warn-text); border-color: color-mix(in srgb, var(--sun) 60%, transparent); background: color-mix(in srgb, var(--sun) 18%, transparent); }
.verdict--block { color: var(--block-text); border-color: color-mix(in srgb, var(--bad) 40%, transparent); background: color-mix(in srgb, var(--bad) 10%, transparent); }

/* ---------- who ---------- */
.who__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.card { padding: 28px 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); transition: transform var(--t-med) var(--ease-out), box-shadow var(--t-med) var(--ease-out); position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--green), var(--water)); transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out); }
.card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(15,31,45,.45); }
.card:hover::before { transform: scaleX(1); }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }

/* ---------- principles ---------- */
.principles { padding-top: clamp(40px, 5vw, 64px); }
.principles__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 44px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle { padding: 28px 24px; border-right: 1px solid var(--line); }
.principle:last-child { border-right: 0; }
.principle__k { display: block; font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -0.01em; margin: 0 0 10px; color: var(--ink); }
.principle p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* ---------- cta ---------- */
.cta { padding-top: 40px; }
.cta__inner { text-align: center; padding: clamp(48px, 7vw, 90px) var(--gutter); border-radius: 28px; background: radial-gradient(1200px 500px at 50% -20%, color-mix(in srgb, var(--sky) 28%, transparent), transparent 60%), var(--surface); border: 1px solid var(--line); }
.cta__mark { margin: 0 auto 22px; animation: float 8s ease-in-out infinite; }
.cta h2 { margin-inline: auto; max-width: 18ch; }
.cta p { color: var(--ink-2); max-width: 54ch; margin: 0 auto 26px; }
.cta .small { margin-top: 16px; margin-bottom: 0; }

/* ---------- footer ---------- */
.foot { padding: 40px 0 48px; border-top: 1px solid var(--line); }
.foot__grid { display: grid; grid-template-columns: auto 1fr auto; gap: 16px 32px; align-items: center; }
.foot__motto { margin: 0; color: var(--accent-2); font-size: 14px; }
.foot__links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--ink-2); }
.foot__links a:hover { color: var(--ink); }
.foot__legal { grid-column: 1 / -1; margin: 10px 0 0; font-size: 12.5px; color: var(--ink-3); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .blame, .term { font-size: 12px; }
}
@media (max-width: 1000px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .principles__grid { grid-template-columns: repeat(2, 1fr); }
  .principle:nth-child(2) { border-right: 0; }
  .principle:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .hero { padding-top: 110px; min-height: auto; }
  .hero__grid, .gap__grid, .recall__grid, .evidence__grid, .guard__grid { grid-template-columns: 1fr; }
  .hero__art { margin-top: 24px; }
  .gap__grid > .blame { order: 2; }
  .guard__grid > .term { order: 2; }
  .who__grid { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr; }
  .receipt__rows div { grid-template-columns: 96px 1fr; }
  .bars li { grid-template-columns: 110px 1fr 48px; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .principles__grid { grid-template-columns: 1fr; }
  .principle { border-right: 0; border-bottom: 1px solid var(--line); }
  .principle:last-child { border-bottom: 0; }
  .facts li { grid-template-columns: 70px 1fr; }
  .facts strong { font-size: 24px; }
  .bars li { grid-template-columns: 1fr auto; grid-auto-flow: dense; row-gap: 6px; column-gap: 12px; }
  .bars__track { grid-column: 1 / -1; }
  .bars__name { overflow: visible; white-space: normal; }
  .pr__files li { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; row-gap: 2px; }
  .pr__files .muted { grid-column: 2; margin-left: 0; }
  body { font-size: 16px; }
  .lede { font-size: 17px; }
  .step p, .card p { font-size: 15px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .js .display .word { animation: none; opacity: 1; transform: none; }
  .river__path { stroke-dashoffset: 0; animation: none; }
  .js .bars__fill, .js .exposure .bars__fill { transform: scaleX(var(--p, 0)); animation: none; }
  .js .step .heart { stroke-dashoffset: 0; animation: none; }
  .tick { stroke-dashoffset: 0; animation: none; }
  .js .hash__typed::after, .cursor::after { content: ""; }
}