/* DVET — dvetai.com
   Self-contained: no external fonts, scripts or images. */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 300 700;
  src: url("../fonts/space-grotesk-latin-wght-normal.woff2") format("woff2-variations");
  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+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-display: swap;
  font-weight: 300 700;
  src: url("../fonts/space-grotesk-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("../fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
  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+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("../fonts/inter-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url("../fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2-variations");
}

:root {
  --bg: #04060b;
  --bg-2: #070b15;
  --panel: rgba(13, 19, 34, 0.66);
  --panel-solid: #0b1120;
  --panel-2: rgba(20, 28, 48, 0.7);
  --line: rgba(140, 170, 255, 0.13);
  --line-2: rgba(140, 170, 255, 0.24);
  --text: #e9eefb;
  --text-2: #c3cce0;
  --muted: #8a96b2;
  --cyan: #3ee6ff;
  --blue: #5b7cff;
  --violet: #a06bff;
  --green: #3dffa8;
  --amber: #ffb547;
  --red: #ff5d73;
  --grad: linear-gradient(100deg, #3ee6ff 0%, #5b7cff 48%, #a06bff 100%);
  --radius: 18px;
  --radius-sm: 10px;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --wrap: 1280px;
  --gutter: 24px;
  --nav-h: 68px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font-body);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
strong { color: var(--text); font-weight: 600; }
em { font-style: italic; color: var(--text); }
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: rgba(91, 124, 255, 0.12);
  border: 1px solid rgba(91, 124, 255, 0.2);
  padding: 0.05em 0.4em;
  border-radius: 6px;
  color: #cfe0ff;
}
.mono { font-family: var(--font-mono); font-feature-settings: normal; }
.small { font-size: 0.8rem; }
.muted { color: var(--muted); }
.ok { color: var(--green); }
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.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 { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 12px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: 860px; }

/* ---------------------------------------------------------------- background */
.bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bg-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(rgba(120, 150, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 150, 255, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.bg-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.bg-glow--a { width: 720px; height: 720px; left: -220px; top: -260px; background: radial-gradient(circle, rgba(62, 230, 255, 0.35), transparent 65%); animation: drift 22s ease-in-out infinite alternate; }
.bg-glow--b { width: 820px; height: 820px; right: -300px; top: 120px; background: radial-gradient(circle, rgba(160, 107, 255, 0.32), transparent 65%); animation: drift 28s ease-in-out infinite alternate-reverse; }
@keyframes drift { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(60px, 80px, 0); } }

/* ---------------------------------------------------------------- nav */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav-h);
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled, .nav.is-open {
  background: rgba(4, 6, 11, 0.72);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav.is-open { background: #05070d; -webkit-backdrop-filter: none; backdrop-filter: none; }
.nav-inner { max-width: var(--wrap); margin: 0 auto; height: 100%; padding: 0 var(--gutter); display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: 0.08em; }
.nav-links { display: flex; gap: 4px; margin-left: 12px; }
.nav-links a { color: var(--text-2); font-size: 0.92rem; padding: 7px 12px; border-radius: 999px; transition: color 0.2s, background 0.2s; }
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); text-decoration: none; }
.nav-links a.is-active { color: var(--text); background: rgba(91, 124, 255, 0.16); }
.nav-badge {
  margin-left: auto; display: inline-flex; align-items: center; gap: 8px;
  font: 500 0.78rem var(--font-mono); color: var(--text-2);
  padding: 6px 12px; border: 1px solid var(--line-2); border-radius: 999px; background: rgba(61, 255, 168, 0.05);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); display: inline-block; flex: none; }
.dot--ok { background: var(--green); box-shadow: 0 0 10px var(--green); }
.dot--bad { background: var(--red); box-shadow: 0 0 10px var(--red); }
.nav-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03); cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s ease, top 0.25s ease; }
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 25px; }
.nav.is-open .nav-toggle span:first-child { top: 20px; transform: rotate(45deg); }
.nav.is-open .nav-toggle span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 999px;
  font: 600 0.98rem var(--font-body); color: var(--text); border: 1px solid var(--line-2);
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary {
  background: var(--grad); color: #050811; border: 0;
  box-shadow: 0 10px 40px -10px rgba(91, 124, 255, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn--primary:hover { box-shadow: 0 14px 50px -8px rgba(91, 124, 255, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.btn--ghost { background: rgba(255, 255, 255, 0.03); }
.btn--ghost:hover { border-color: rgba(62, 230, 255, 0.5); background: rgba(62, 230, 255, 0.06); }

/* ---------------------------------------------------------------- hero */
.hero { padding: calc(var(--nav-h) + 56px) 0 40px; position: relative; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  font: 500 0.82rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2);
  padding: 7px 14px 7px 12px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(13, 19, 34, 0.6);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(62, 230, 255, 0.6); animation: pulse 2.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(62, 230, 255, 0.55); } 70% { box-shadow: 0 0 0 12px rgba(62, 230, 255, 0); } 100% { box-shadow: 0 0 0 0 rgba(62, 230, 255, 0); } }
.hero-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.2rem, 3.7vw, 3.2rem); line-height: 1.06; letter-spacing: -0.025em; margin: 0 0 24px;
  text-wrap: balance;
}
.lead { font-size: clamp(1.02rem, 0.95rem + 0.3vw, 1.16rem); color: var(--text-2); max-width: 34em; margin: 0 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hud {
  position: relative; border-radius: 22px; padding: 14px; background: linear-gradient(180deg, rgba(16, 24, 44, 0.82), rgba(8, 12, 24, 0.82));
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 120px -40px rgba(62, 120, 255, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}
.hud::before {
  content: ""; position: absolute; inset: -1px; border-radius: 23px; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, rgba(62, 230, 255, 0.7), transparent 35%, transparent 65%, rgba(160, 107, 255, 0.7));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.hud-top { display: flex; align-items: center; gap: 12px; padding: 2px 4px 12px; border-bottom: 1px solid var(--line); }
.hud-dots { display: inline-flex; gap: 6px; }
.hud-dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.14); }
.hud-title { font-size: 0.76rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-net { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 0.74rem; color: var(--text-2); }
.hud-cols { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding: 12px 0 0; }
.hud-canvas { width: 100%; height: 360px; }
.hud-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 0.74rem; color: var(--muted); padding: 10px 4px 2px; border-top: 1px solid var(--line); }
.hud-status { color: var(--cyan); }
.hud-count b { color: var(--red); font-weight: 700; }

.stat-strip {
  list-style: none; margin: 72px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.stat-strip li { padding: 24px 26px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.stat-strip li:first-child { border-left: 0; }
.stat-strip b { font: 600 clamp(1.7rem, 1.2rem + 1.4vw, 2.3rem)/1.1 var(--font-display); letter-spacing: -0.02em; }
.stat-strip li > span { color: var(--muted); font-size: 0.9rem; line-height: 1.45; }

/* ---------------------------------------------------------------- sections */
.section { padding: 120px 0 40px; position: relative; }
.section-head { max-width: 780px; margin-bottom: 56px; }
.kicker { margin: 0 0 14px; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); }
.section h2, .closing h2 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -0.022em;
  font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem); line-height: 1.08; margin: 0 0 20px;
}
.section-lead { color: var(--text-2); font-size: 1.08rem; margin: 0; }
h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; font-size: 1.2rem; line-height: 1.25; margin: 0 0 10px; }

.card, .stage, .guarantee, .spec, .kpi, .verifier, .controls, .ledger, .timeline, .split, .tabs, .closing-card {
  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.spot::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity 0.3s ease;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(91, 124, 255, 0.13), transparent 45%);
}
.spot:hover::after { opacity: 1; }

/* ---------------------------------------------------------------- concept */
.chain { margin: 0 0 56px; padding: 28px 24px 18px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(180deg, rgba(13, 19, 34, 0.7), rgba(7, 11, 21, 0.5)); }
.chain-svg { width: 100%; height: auto; }
.chain-svg--v { display: none; }
.chain figcaption { margin-top: 10px; text-align: center; }
.ch-node rect { fill: rgba(17, 25, 46, 0.95); stroke: rgba(125, 147, 255, 0.45); stroke-width: 1.2; }
.ch-k { font: 600 11px var(--font-mono); letter-spacing: 0.12em; fill: #8fa3d6; }
.ch-k--red { fill: var(--red); }
.ch-v { font: 600 17px var(--font-display); fill: var(--text); }
.ch-v--sm { font-size: 13.5px; font-weight: 500; }
.ch-verb { font: 500 12px var(--font-mono); fill: #7d93ff; }
.ch-link { stroke: #7d93ff; stroke-width: 2; fill: none; stroke-dasharray: 6 6; animation: flow 1.2s linear infinite; }
.ch-dash { stroke: rgba(255, 93, 115, 0.55); stroke-width: 1.5; fill: none; stroke-dasharray: 4 6; animation: flow 1.6s linear infinite reverse; }
.ch-node--hit rect { stroke: rgba(255, 93, 115, 0.6); }
.ch-finding rect { fill: rgba(255, 93, 115, 0.08); stroke: rgba(255, 93, 115, 0.65); stroke-width: 1.2; }
@keyframes flow { to { stroke-dashoffset: -24; } }

.cards { display: grid; gap: 20px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card { padding: 28px; }
.card p { color: var(--text-2); margin: 0; }
.card-icon {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(140deg, rgba(62, 230, 255, 0.18), rgba(160, 107, 255, 0.18)); border: 1px solid var(--line-2);
}
.card-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--cyan); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------------------------------------------------------------- workflow */
.pipeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; counter-reset: none; }
.pipeline::before {
  content: ""; position: absolute; left: 20px; right: 20px; top: 31px; height: 2px;
  background: linear-gradient(90deg, rgba(62, 230, 255, 0.5), rgba(160, 107, 255, 0.5)); opacity: 0.45;
}
.pipeline::after {
  content: ""; position: absolute; top: 27px; left: 20px; width: 80px; height: 10px; border-radius: 10px;
  background: radial-gradient(closest-side, rgba(62, 230, 255, 0.95), transparent); filter: blur(1px);
  animation: travel 4.5s cubic-bezier(0.6, 0, 0.4, 1) infinite;
}
@keyframes travel { from { left: 0; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } to { left: calc(100% - 80px); opacity: 0; } }
.stage { padding: 22px 20px 22px; }
.stage-n {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; margin-bottom: 18px; position: relative; z-index: 1;
  font-size: 0.85rem; font-weight: 600; color: #050811; background: var(--grad); box-shadow: 0 0 24px rgba(91, 124, 255, 0.5);
}
.stage h3 { margin-bottom: 8px; }
.cmd { display: inline-block; margin-bottom: 12px; font-size: 0.78rem; color: var(--cyan); background: rgba(62, 230, 255, 0.08); border-color: rgba(62, 230, 255, 0.2); }
.stage p { margin: 0; color: var(--text-2); font-size: 0.93rem; }

.terminal { margin-top: 28px; border-radius: var(--radius); border: 1px solid var(--line-2); background: rgba(5, 8, 16, 0.88); overflow: hidden; }
.terminal-top { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 0.76rem; color: var(--muted); }
.terminal-body { margin: 0; padding: 20px 22px 24px; font-size: 0.88rem; line-height: 1.95; color: var(--text); overflow-x: auto; white-space: pre; min-height: 11.6em; }
.t-p { color: var(--green); }
.t-c { color: #6c7a9c; }
.t-cursor { display: inline-block; width: 0.6em; height: 1.1em; vertical-align: -0.18em; background: var(--cyan); margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.terminal.is-typing .t-line { display: none; }
.terminal.is-typing .t-line.is-shown { display: inline; }

/* ---------------------------------------------------------------- tabs / checks */
.tabs { padding: 10px; }
.tablist { display: flex; gap: 6px; padding: 4px; border-radius: 14px; background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); flex-wrap: wrap; }
.tablist [role="tab"] {
  flex: 1 1 auto; display: inline-flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer;
  padding: 12px 16px; border-radius: 10px; border: 0; background: transparent; color: var(--text-2);
  font: 600 0.95rem var(--font-body); transition: background 0.2s, color 0.2s;
}
.tablist [role="tab"]:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.tablist [role="tab"][aria-selected="true"] { color: var(--text); background: linear-gradient(140deg, rgba(62, 230, 255, 0.16), rgba(160, 107, 255, 0.16)); box-shadow: inset 0 0 0 1px var(--line-2); }
.pill { font: 600 0.72rem var(--font-mono); padding: 2px 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); color: var(--text-2); }
.tabpanel { padding: 22px 14px 12px; animation: fadein 0.35s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.panel-note { margin: 0 0 18px; color: var(--muted); font-size: 0.95rem; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 10px; }
.checks li {
  display: grid; grid-template-columns: 74px 1fr auto; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: 12px; background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.checks li:hover { border-color: rgba(62, 230, 255, 0.4); background: rgba(62, 230, 255, 0.04); transform: translateY(-1px); }
.checks b { color: var(--cyan); font-size: 0.86rem; font-weight: 600; }
.checks span { color: var(--text-2); font-size: 0.93rem; line-height: 1.4; }
.sev { font: 600 0.7rem var(--font-mono); font-style: normal; padding: 3px 9px; border-radius: 999px; white-space: nowrap; letter-spacing: 0.02em; }
.sev--major { color: #ffd0d6; background: rgba(255, 93, 115, 0.16); box-shadow: inset 0 0 0 1px rgba(255, 93, 115, 0.35); }
.sev--minor { color: #ffe2b5; background: rgba(255, 181, 71, 0.14); box-shadow: inset 0 0 0 1px rgba(255, 181, 71, 0.32); }
.sev--obs { color: #cfe6ff; background: rgba(91, 160, 255, 0.14); box-shadow: inset 0 0 0 1px rgba(91, 160, 255, 0.32); }
.sev--q { color: #e4d6ff; background: rgba(160, 107, 255, 0.16); box-shadow: inset 0 0 0 1px rgba(160, 107, 255, 0.36); }

.challenge { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; }
.challenge p { color: var(--text-2); }
.challenge-viz { display: grid; gap: 12px; padding: 20px; border-radius: 14px; background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); }
.cv-row { display: grid; grid-template-columns: 64px 1fr 84px; align-items: center; gap: 12px; font-size: 0.82rem; }
.cv-bar { height: 8px; border-radius: 8px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.cv-bar i { display: block; height: 100%; border-radius: inherit; }
.cv-up { width: 86%; background: linear-gradient(90deg, rgba(61, 255, 168, 0.4), var(--green)); }
.cv-down { width: 24%; background: linear-gradient(90deg, rgba(255, 181, 71, 0.4), var(--amber)); }
.cv-mid { width: 52%; background: linear-gradient(90deg, rgba(160, 107, 255, 0.4), var(--violet)); }
.cv-tag { font: 600 0.7rem var(--font-mono); text-align: center; padding: 3px 0; border-radius: 999px; }
.cv-tag--ok { color: var(--green); background: rgba(61, 255, 168, 0.1); }
.cv-tag--warn { color: var(--amber); background: rgba(255, 181, 71, 0.1); }
.cv-tag--q { color: #cdb5ff; background: rgba(160, 107, 255, 0.12); }

/* ---------------------------------------------------------------- review app mock */
.app {
  border-radius: 20px; border: 1px solid var(--line-2); overflow: hidden;
  background: linear-gradient(180deg, rgba(14, 20, 36, 0.94), rgba(8, 12, 22, 0.94));
  box-shadow: 0 50px 140px -50px rgba(91, 124, 255, 0.6);
}
.app-top { display: flex; align-items: center; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.app-url { flex: 1; min-width: 0; font-size: 0.78rem; color: var(--text-2); padding: 6px 12px; border-radius: 8px; background: rgba(0, 0, 0, 0.3); border: 1px solid var(--line); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lock { color: var(--green); font-size: 0.6rem; vertical-align: 1px; margin-right: 4px; }
.app-who { font-size: 0.76rem; color: var(--muted); white-space: nowrap; }
.app-nav { display: flex; gap: 2px; padding: 0 12px; border-bottom: 1px solid var(--line); background: rgba(91, 124, 255, 0.06); overflow-x: auto; }
.app-nav [role="tab"] {
  padding: 12px 16px; border: 0; background: transparent; color: var(--muted); cursor: pointer; white-space: nowrap;
  font: 600 0.88rem var(--font-body); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.app-nav [role="tab"]:hover { color: var(--text); }
.app-nav [role="tab"][aria-selected="true"] { color: var(--text); border-bottom-color: var(--cyan); }
.app-body { padding: 18px; animation: fadein 0.3s ease; }
.app-split { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 18px; }
.app-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--line); }
.app-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; min-width: 520px; }
.app-table th { text-align: left; font: 600 0.7rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 11px 12px; background: rgba(255, 255, 255, 0.025); border-bottom: 1px solid var(--line); white-space: nowrap; }
.app-table td { padding: 11px 12px; border-bottom: 1px solid var(--line); color: var(--text-2); vertical-align: middle; }
.app-table tr:last-child td { border-bottom: 0; }
.app-table td.mono { font-size: 0.8rem; white-space: nowrap; color: var(--text); }
#findings-table tbody tr { cursor: pointer; transition: background 0.15s; }
#findings-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
#findings-table tbody tr.is-active { background: rgba(62, 230, 255, 0.07); box-shadow: inset 3px 0 0 var(--cyan); }
.app-table tr.gap td { background: rgba(255, 93, 115, 0.06); }
.app-table .miss { color: var(--red); }
.app-table .sugg { color: var(--violet); }
.app-table--matrix, .app-table--trf { min-width: 640px; }
.st { font: 600 0.7rem var(--font-mono); font-style: normal; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.st--p { color: var(--text-2); background: rgba(255, 255, 255, 0.07); font-style: italic; }
.st--o { color: #ffe2b5; background: rgba(255, 181, 71, 0.14); }
.st--c, .st--ok { color: var(--green); background: rgba(61, 255, 168, 0.1); }
.st--fail { color: var(--red); background: rgba(255, 93, 115, 0.12); }
.v { display: inline-grid; place-items: center; min-width: 40px; padding: 3px 8px; border-radius: 8px; font: 700 0.78rem var(--font-mono); font-style: normal; }
.v--p { color: var(--green); background: rgba(61, 255, 168, 0.1); box-shadow: inset 0 0 0 1px rgba(61, 255, 168, 0.3); }
.v--f { color: var(--red); background: rgba(255, 93, 115, 0.1); box-shadow: inset 0 0 0 1px rgba(255, 93, 115, 0.35); }
.v--nd { color: var(--amber); background: rgba(255, 181, 71, 0.1); box-shadow: inset 0 0 0 1px rgba(255, 181, 71, 0.3); }
.app-foot { margin: 12px 2px 0; font-size: 0.74rem; color: var(--muted); }
.app-detail { padding: 18px; border-radius: 12px; border: 1px solid var(--line); background: rgba(0, 0, 0, 0.22); min-width: 0; }
.app-detail h3 { font-size: 1.05rem; margin-bottom: 14px; }
.d-meta { margin: 0 0 8px; font-size: 0.76rem; color: var(--cyan); }
.d-label { margin: 0 0 8px; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; display: flex; justify-content: space-between; gap: 8px; }
.d-label .ok { text-transform: none; letter-spacing: 0; }
.d-quote { margin: 0; padding: 12px 14px; border-left: 3px solid var(--cyan); background: rgba(62, 230, 255, 0.06); border-radius: 0 10px 10px 0; color: var(--text); font-size: 0.92rem; }
.d-src { margin: 8px 0 14px; font-size: 0.74rem; color: var(--muted); }
.d-desc { margin: 0 0 14px; color: var(--text-2); font-size: 0.9rem; }
.d-prov { margin: 0 0 16px; font-size: 0.72rem; color: var(--muted); padding-top: 12px; border-top: 1px dashed var(--line-2); }
.d-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.fake-btn { display: inline-block; padding: 7px 14px; border-radius: 8px; font: 600 0.8rem var(--font-body); background: var(--grad); color: #050811; }
.fake-btn--ghost { background: transparent; color: var(--text-2); box-shadow: inset 0 0 0 1px var(--line-2); }
.fake-btn--sm { padding: 3px 10px; font-size: 0.72rem; }
.caption { margin: 14px 0 0; text-align: center; }

/* ---------------------------------------------------------------- privacy */
.section--privacy::before {
  content: ""; position: absolute; inset: 40px 0 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 30% 50%, rgba(91, 124, 255, 0.12), transparent 70%);
}
.privacy-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 48px; align-items: start; }
.shield { margin: 0; position: sticky; top: calc(var(--nav-h) + 24px); }
.shield svg { width: 100%; height: auto; max-width: 520px; margin: 0 auto; }
.shield-cap { display: flex; justify-content: center; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--muted); margin-top: 8px; }
.sh-field { fill: rgba(91, 124, 255, 0.03); }
.sh-boundary { fill: none; stroke-width: 2; filter: drop-shadow(0 0 8px rgba(91, 124, 255, 0.6)); }
.sh-boundary-dash { fill: none; stroke: rgba(140, 170, 255, 0.25); stroke-width: 1; stroke-dasharray: 2 8; transform-origin: 260px 260px; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.sh-ray { stroke: rgba(255, 93, 115, 0.35); stroke-width: 1.4; stroke-dasharray: 3 5; }
.sh-packet { fill: var(--red); filter: drop-shadow(0 0 6px var(--red)); animation: packet 3.2s ease-in infinite; }
.sh-packet--2 { animation-delay: 0.8s; }
.sh-packet--3 { animation-delay: 1.6s; }
.sh-packet--4 { animation-delay: 2.4s; }
@keyframes packet {
  0% { transform: translateY(0); opacity: 0; }
  12% { opacity: 1; }
  70% { transform: translateY(-86px); opacity: 1; }
  78%, 100% { transform: translateY(-86px); opacity: 0; }
}
.sh-x path { stroke: var(--red); stroke-width: 3; stroke-linecap: round; fill: none; }
.sh-x { opacity: 0.25; animation: xflash 3.2s ease-in infinite; }
.sh-x--2 { animation-delay: 0.8s; }
.sh-x--3 { animation-delay: 1.6s; }
.sh-x--4 { animation-delay: 2.4s; }
@keyframes xflash { 0%, 66% { opacity: 0.25; } 72% { opacity: 1; } 100% { opacity: 0.25; } }
.sh-ext { font: 500 13px var(--font-mono); fill: #5d6a88; text-decoration: line-through; }
.sh-orbit { fill: none; stroke: rgba(62, 230, 255, 0.35); stroke-width: 1.2; stroke-dasharray: 1 6; }
.sh-orbiter { fill: var(--cyan); filter: drop-shadow(0 0 6px var(--cyan)); transform-origin: 260px 260px; animation: spin 7s linear infinite; }
.sh-core-box { fill: rgba(16, 24, 46, 0.96); stroke: url(#sh-ring); stroke-width: 1.6; }
.sh-core-t { font: 700 22px var(--font-display); fill: var(--text); letter-spacing: 0.1em; }
.sh-core-s { font: 500 11px var(--font-mono); fill: var(--muted); }
.sh-sat rect { fill: rgba(13, 19, 34, 0.95); stroke: rgba(62, 230, 255, 0.4); stroke-width: 1; }
.sh-sat text { font: 500 12px var(--font-mono); fill: var(--text-2); }
.sh-loopback { font: 600 11px var(--font-mono); fill: var(--cyan); letter-spacing: 0.06em; }

.guarantees { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.guarantee { padding: 22px; }
.guarantee h3 { font-size: 1.04rem; display: flex; align-items: center; gap: 10px; }
.guarantee p { margin: 0; color: var(--text-2); font-size: 0.92rem; }
.g-ico { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; flex: none; font-size: 0.95rem; color: var(--cyan); background: rgba(62, 230, 255, 0.1); border: 1px solid rgba(62, 230, 255, 0.25); font-family: var(--font-mono); }

/* ---------------------------------------------------------------- accuracy */
.gauges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.gauge { position: relative; text-align: center; padding: 28px 22px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); }
.gauge svg { width: 140px; height: 140px; margin: 0 auto; transform: rotate(-90deg); }
.g-track { fill: none; stroke: rgba(255, 255, 255, 0.06); stroke-width: 7; }
.g-val { fill: none; stroke: url(#gauge-grad); stroke-width: 7; stroke-linecap: round; stroke-dasharray: 326.73; stroke-dashoffset: 326.73; transition: stroke-dashoffset 1.8s cubic-bezier(0.2, 0.8, 0.2, 1); filter: drop-shadow(0 0 6px rgba(62, 230, 255, 0.5)); }
.gauge[data-gauge-tone="ok"] .g-val { stroke: var(--green); filter: drop-shadow(0 0 6px rgba(61, 255, 168, 0.5)); }
.g-num { position: absolute; left: 0; right: 0; top: 28px; height: 140px; display: flex; align-items: center; justify-content: center; font: 600 2.1rem var(--font-display); letter-spacing: -0.02em; }
.g-num small { font-size: 0.55em; color: var(--muted); margin: 0.35em 0 0 2px; }
.g-num > span, .g-num { line-height: 1; }
.g-k { margin: 18px 0 6px; font: 600 1rem var(--font-display); }
.g-d { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }

.acc-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 20px; margin-bottom: 20px; }
.verifier { padding: 22px; overflow: hidden; }
.v-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 0.8rem; color: var(--text-2); }
.v-case { color: var(--muted); }
.v-block { padding: 14px 16px; border-radius: 12px; background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); }
.v-label { margin: 0 0 6px; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.v-quote, .v-src { margin: 0; font-size: 1rem; color: var(--text); min-height: 1.6em; }
.v-src mark { background: rgba(62, 230, 255, 0.18); color: var(--text); border-radius: 4px; padding: 0 3px; box-shadow: inset 0 -2px 0 var(--cyan); }
.verifier.is-bad .v-src mark { background: rgba(255, 93, 115, 0.16); box-shadow: inset 0 -2px 0 var(--red); }
.v-scan { position: relative; height: 26px; margin: 0 16px; }
.v-scan span { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); background: linear-gradient(180deg, transparent, var(--cyan), transparent); }
.v-scan span::after { content: ""; position: absolute; left: 50%; top: 0; width: 8px; height: 8px; margin-left: -4px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: drop 1.4s ease-in-out infinite; }
@keyframes drop { from { top: 0; opacity: 0; } 30% { opacity: 1; } to { top: 100%; opacity: 0; } }
.v-steps { list-style: none; margin: 16px 0; padding: 0; display: grid; gap: 6px; font-size: 0.8rem; }
.v-steps li { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; border-radius: 8px; background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line); color: var(--text-2); opacity: 0.35; transition: opacity 0.35s ease, border-color 0.35s ease; }
.v-steps li.is-on { opacity: 1; }
.v-steps li.is-on b { color: var(--green); }
.v-steps li.is-fail { opacity: 1; border-color: rgba(255, 93, 115, 0.45); }
.v-steps li.is-fail b { color: var(--red); }
.v-steps b { font-weight: 600; white-space: nowrap; }
.v-result { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; font-size: 0.88rem; color: var(--text-2); background: rgba(61, 255, 168, 0.06); border: 1px solid rgba(61, 255, 168, 0.3); opacity: 0; transform: translateY(6px); transition: opacity 0.4s ease, transform 0.4s ease; }
.v-result.is-on { opacity: 1; transform: none; }
.v-badge { font: 700 0.74rem var(--font-mono); letter-spacing: 0.1em; padding: 4px 10px; border-radius: 6px; color: #04140d; background: var(--green); flex: none; }
.verifier.is-bad .v-result { background: rgba(255, 93, 115, 0.07); border-color: rgba(255, 93, 115, 0.4); }
.verifier.is-bad .v-badge { background: var(--red); color: #19050a; }

.controls { padding: 26px; }
.control-list { margin: 14px 0 0; padding: 0; list-style: none; counter-reset: c; display: grid; gap: 14px; }
.control-list li { counter-increment: c; position: relative; padding-left: 42px; color: var(--text-2); font-size: 0.93rem; }
.control-list li::before { content: counter(c, decimal-leading-zero); position: absolute; left: 0; top: 1px; font: 600 0.75rem var(--font-mono); color: var(--cyan); padding: 3px 6px; border-radius: 6px; background: rgba(62, 230, 255, 0.08); border: 1px solid rgba(62, 230, 255, 0.2); }
.control-list b { color: var(--text); }

.ledger { padding: 26px; }
.ledger-head { display: flex; justify-content: space-between; gap: 24px; align-items: baseline; flex-wrap: wrap; margin-bottom: 16px; }
.ledger-head h3 { margin: 0; }
.ledger-head p { margin: 0; color: var(--muted); font-size: 0.92rem; max-width: 560px; }
.table-scroll { overflow-x: auto; border-radius: 12px; border: 1px solid var(--line); }
.ledger-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 0.9rem; }
.ledger-table th { text-align: left; font: 600 0.7rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 12px 14px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.ledger-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); color: var(--text-2); }
.ledger-table tr:last-child td { border-bottom: 0; }
.ledger-table td.mono { color: var(--text); font-size: 0.84rem; white-space: nowrap; }
.ledger-note { margin: 12px 2px 0; }

/* ---------------------------------------------------------------- effort */
.compare { position: relative; margin-bottom: 20px; padding: 28px; display: grid; gap: 22px; background: var(--panel); border: 1px solid var(--line-2); border-radius: var(--radius); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.cmp-row { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr) 110px; align-items: center; gap: 22px; }
.cmp-label { display: grid; gap: 2px; }
.cmp-label b { font: 600 1.05rem var(--font-display); color: var(--text); }
.cmp-label span { font-size: 0.84rem; color: var(--muted); line-height: 1.4; }
.cmp-track { height: 14px; border-radius: 10px; background: rgba(255, 255, 255, 0.05); overflow: hidden; }
.cmp-bar { display: block; height: 100%; width: 0; border-radius: inherit; transition: width 1.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.cmp-bar--manual { background: repeating-linear-gradient(135deg, rgba(255, 181, 71, 0.75) 0 10px, rgba(255, 181, 71, 0.5) 10px 20px); box-shadow: 0 0 14px rgba(255, 181, 71, 0.35); }
.cmp-bar--dvet { background: var(--grad); box-shadow: 0 0 14px rgba(62, 230, 255, 0.6); }
.cmp-val { font-size: 1.05rem; font-weight: 600; text-align: right; color: var(--text); white-space: nowrap; }
.cmp-note { margin: 0; color: var(--muted); }
.effort-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.kpi { padding: 26px 24px; overflow: hidden; }
.kpi::before { content: ""; position: absolute; left: 24px; right: 24px; top: 0; height: 2px; background: var(--grad); opacity: 0.8; border-radius: 0 0 2px 2px; }
.kpi b { display: block; font: 600 clamp(2rem, 1.4rem + 1.6vw, 2.6rem)/1.05 var(--font-display); letter-spacing: -0.02em; margin-bottom: 12px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kpi p { margin: 0; color: var(--text-2); font-size: 0.9rem; }

.effort-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
.timeline, .split { padding: 28px; }
.tl { list-style: none; margin: 20px 0 0; padding: 0; position: relative; }
.tl::before { content: ""; position: absolute; left: 92px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--cyan), var(--violet)); opacity: 0.4; }
.tl li { display: grid; grid-template-columns: 80px 1fr; gap: 28px; padding: 0 0 22px; position: relative; }
.tl li:last-child { padding-bottom: 0; }
.tl li::before { content: ""; position: absolute; left: 87px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--cyan); box-shadow: 0 0 10px rgba(62, 230, 255, 0.6); }
.tl li:last-child::before { border-color: var(--green); box-shadow: 0 0 10px rgba(61, 255, 168, 0.6); }
.tl-t { font-size: 0.76rem; color: var(--cyan); text-align: right; padding-top: 2px; }
.tl b { display: block; color: var(--text); font-weight: 600; margin-bottom: 2px; }
.tl p { margin: 0; color: var(--text-2); font-size: 0.9rem; }

.split-cols { display: grid; grid-template-columns: 1.15fr 1fr; gap: 16px; margin-top: 20px; }
.split-col { padding: 18px; border-radius: 14px; border: 1px solid var(--line); }
.split-col--auto { background: linear-gradient(160deg, rgba(62, 230, 255, 0.08), rgba(91, 124, 255, 0.04)); border-color: rgba(62, 230, 255, 0.25); }
.split-col--human { background: rgba(255, 255, 255, 0.02); }
.split-k { margin: 0 0 12px; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.split-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.split-col li { position: relative; padding-left: 22px; font-size: 0.88rem; color: var(--text-2); line-height: 1.45; }
.split-col--auto li::before { content: ""; position: absolute; left: 0; top: 6px; width: 10px; height: 10px; border-radius: 3px; background: var(--grad); box-shadow: 0 0 8px rgba(62, 230, 255, 0.5); }
.split-col--human li::before { content: ""; position: absolute; left: 1px; top: 6px; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--text-2); }
.bars { margin-top: 24px; padding-top: 18px; border-top: 1px dashed var(--line-2); display: grid; gap: 9px; }
.bars .split-k { margin-bottom: 4px; }
.bar { display: grid; grid-template-columns: 74px 1fr 50px; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--text-2); }
.bar i { display: block; height: 7px; border-radius: 6px; background: var(--grad); width: 0; transition: width 1.4s cubic-bezier(0.2, 0.8, 0.2, 1); box-shadow: 0 0 10px rgba(91, 124, 255, 0.5); }
.bar b { font-weight: 500; color: var(--text); text-align: right; font-size: 0.74rem; }

/* ---------------------------------------------------------------- specs */
.specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.spec { padding: 24px; }
.spec .spec-k { margin: 0 0 14px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--cyan); }
.spec p { margin: 14px 0 0; color: var(--muted); font-size: 0.88rem; }
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font: 600 0.76rem var(--font-mono); padding: 5px 10px; border-radius: 8px; background: rgba(91, 124, 255, 0.1); border: 1px solid rgba(91, 124, 255, 0.28); color: #d8e2ff; }
.plain { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.plain li { position: relative; padding-left: 18px; color: var(--text-2); font-size: 0.92rem; line-height: 1.45; }
.plain li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 2px; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.hw { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.hw li { display: grid; gap: 2px; padding: 10px 12px; border-radius: 10px; background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line); }
.hw b { font: 600 0.78rem var(--font-mono); color: var(--text); }
.hw span { font-size: 0.86rem; color: var(--text-2); }

.quality { margin-top: 20px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.quality div { padding: 20px 22px; border-left: 1px solid var(--line); display: grid; gap: 4px; }
.quality div:first-child { border-left: 0; }
.quality b { font: 600 1.6rem var(--font-display); letter-spacing: -0.02em; }
.quality span { font-size: 0.84rem; color: var(--muted); line-height: 1.4; }

/* ---------------------------------------------------------------- faq */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); transition: border-color 0.2s; }
.faq details[open] { border-color: var(--line-2); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 54px 18px 22px; font: 600 1.04rem var(--font-display); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font: 400 1.4rem var(--font-mono); color: var(--cyan); transition: transform 0.25s ease; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { margin: 0; padding: 0 22px 20px; color: var(--text-2); }

/* ---------------------------------------------------------------- closing + footer */
.closing { padding: 120px 0 100px; }
.closing-card { text-align: center; padding: clamp(48px, 8vw, 88px) 24px; overflow: hidden; border-color: var(--line-2); }
.closing-card h2 { margin-bottom: 18px; }
.closing-card p { color: var(--text-2); margin: 0 auto 32px; max-width: 40em; }
.closing-glow { position: absolute; inset: auto -20% -60% -20%; height: 120%; background: radial-gradient(ellipse at 50% 100%, rgba(91, 124, 255, 0.4), transparent 60%); pointer-events: none; z-index: -1; }

.footer { border-top: 1px solid var(--line); padding: 36px 0 44px; background: rgba(2, 4, 8, 0.6); }
.footer-inner { display: grid; grid-template-columns: auto 1fr; gap: 18px 32px; align-items: center; }
.footer-brand { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.footer-brand .muted { font-size: 0.9rem; }
.footer-links { display: flex; gap: 20px; justify-content: flex-end; flex-wrap: wrap; }
.footer-links a { color: var(--text-2); font-size: 0.9rem; }
.footer-note { grid-column: 1 / -1; margin: 0; color: var(--muted); }

/* ---------------------------------------------------------------- reveal */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1100px) {
  .nav-links a { padding: 7px 9px; }
  .nav-badge { display: none; }
  .nav-links { margin-left: auto; }
  .pipeline { grid-template-columns: repeat(3, 1fr); }
  .pipeline::before, .pipeline::after { display: none; }
  .gauges, .effort-kpis { grid-template-columns: repeat(2, 1fr); }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .guarantees { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --gutter: 20px; --nav-h: 62px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: var(--nav-h); left: 0; right: 0; margin: 0; flex-direction: column; gap: 2px;
    padding: 10px var(--gutter) 18px; background: #05070d; border-bottom: 1px solid var(--line);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.8);
    display: none;
  }
  .nav.is-open .nav-links { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 1rem; border-radius: 10px; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: clamp(2.2rem, 1rem + 4.6vw, 3.2rem); }
  .hud-canvas { height: 300px; }
  .stat-strip { grid-template-columns: 1fr 1fr; margin-top: 48px; }
  .stat-strip li:nth-child(3) { border-left: 0; }
  .stat-strip li:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .section { padding-top: 88px; }
  .section-head { margin-bottom: 40px; }
  .cards--3 { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .challenge { grid-template-columns: 1fr; }
  .app-split { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; gap: 32px; }
  .shield { position: static; }
  .shield svg { max-width: 420px; }
  .guarantees { grid-template-columns: 1fr 1fr; }
  .acc-grid, .effort-grid { grid-template-columns: 1fr; }
  .quality { grid-template-columns: 1fr 1fr; }
  .quality div:nth-child(3) { border-left: 0; }
  .quality div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; }
  body { font-size: 15.5px; }
  .hero-title { font-size: clamp(2rem, 1rem + 6.4vw, 2.6rem); }
  .hero-cta .btn { flex: 1 1 100%; justify-content: center; }
  .hud { padding: 10px; border-radius: 18px; }
  .hud-title { display: none; }
  .hud-cols { font-size: 0.56rem; letter-spacing: 0.06em; }
  .hud-canvas { height: 260px; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat-strip li { border-left: 0; border-top: 1px solid var(--line); padding: 18px 20px; }
  .stat-strip li:first-child { border-top: 0; }
  .chain { padding: 20px 14px 14px; margin-bottom: 36px; }
  .chain-svg--h { display: none; }
  .chain-svg--v { display: block; max-width: 380px; margin: 0 auto; }
  #findings-table { min-width: 0; }
  #findings-table th:nth-child(4), #findings-table td:nth-child(4) { display: none; }
  #findings-table th, #findings-table td { padding: 10px 9px; }
  .pipeline { grid-template-columns: 1fr; }
  .terminal-body { font-size: 0.76rem; padding: 16px; }
  .checks li { grid-template-columns: 62px 1fr; }
  .checks li .sev { grid-column: 2; justify-self: start; }
  .app-top { gap: 10px; }
  .app-who { display: none; }
  .app-body { padding: 12px; }
  .guarantees { grid-template-columns: 1fr; }
  .effort-kpis { grid-template-columns: 1fr; }
  .gauges { grid-template-columns: 1fr 1fr; gap: 10px; }
  .gauge { padding: 18px 12px 18px; }
  .gauge svg { width: 104px; height: 104px; }
  .g-num { top: 18px; height: 104px; font-size: 1.6rem; }
  .g-k { margin-top: 12px; font-size: 0.92rem; }
  .g-d { font-size: 0.78rem; }
  .specs { grid-template-columns: 1fr; }
  .split-cols { grid-template-columns: 1fr; }
  .compare { padding: 20px; gap: 20px; }
  .cmp-row { grid-template-columns: 1fr auto; gap: 8px 12px; }
  .cmp-track { grid-column: 1 / -1; grid-row: 2; }
  .cmp-val { grid-row: 1; grid-column: 2; align-self: start; }
  .timeline, .split, .controls, .ledger { padding: 20px; }
  .tl::before { left: 74px; }
  .tl li { grid-template-columns: 64px 1fr; gap: 26px; }
  .tl li::before { left: 69px; }
  .quality { grid-template-columns: 1fr 1fr; }
  .quality b { font-size: 1.35rem; }
  .closing { padding: 80px 0 64px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .pipeline::after { display: none; }
  .sh-packet { opacity: 0; }
}

/* ---------------------------------------------------------------- 404 */
.nf { min-height: 100vh; display: grid; place-content: center; justify-items: center; text-align: center; gap: 4px; padding: 24px 16px; }
.nf h1 { font: 600 clamp(2rem, 1.2rem + 3vw, 3.2rem)/1.1 var(--font-display); letter-spacing: -0.02em; margin: 0 0 8px; }
.nf p.muted { margin: 0 0 28px; }