/* ============================================================
   KVANT INDUSTRIES — Template 03 · Futuristic Technical
   A command deck, not a brochure: graphite ground, signal-green
   telemetry, mono labels, HUD panels, spatial depth.
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: 'Sora';
  src: url('../fonts/sora.woff2') format('woff2');
  font-weight: 100 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('../fonts/mono-regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('../fonts/mono-semibold.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --font-main: 'Sora', 'Segoe UI', sans-serif;
  --font-mono: 'Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --ease: cubic-bezier(0.3, 0.9, 0.3, 1);
  --gutter: clamp(1.1rem, 3vw, 3rem);
  --sect: clamp(4.5rem, 10vh, 8rem);
  --rail-w: 4.6rem;
  --top-h: 3.8rem;
  --max: 92rem;
}

/* OPS — dark command deck (house theme) */
:root, :root[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0b0e12;
  --bg-raise: #10141a;
  --panel: rgba(232, 237, 242, 0.028);
  --panel-solid: #10151c;
  --ink: #e6ecf1;
  --ink-soft: rgba(230, 236, 241, 0.66);
  --ink-faint: rgba(230, 236, 241, 0.4);
  --line: rgba(230, 236, 241, 0.13);
  --line-soft: rgba(230, 236, 241, 0.07);
  --gridline: rgba(230, 236, 241, 0.045);
  --accent: #3fd68c;
  --accent-dim: rgba(63, 214, 140, 0.14);
  --accent-ink: #06251a;
  --warn: #e8b03f;
  --img-filter: saturate(0.85) contrast(1.05) brightness(0.92);
  --glow: 0 0 24px rgba(63, 214, 140, 0.18);
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
}

/* BLUEPRINT — engineering paper (light) */
:root[data-theme='light'] {
  color-scheme: light;
  --bg: #eef0ea;
  --bg-raise: #e6e9e2;
  --panel: rgba(18, 26, 22, 0.025);
  --panel-solid: #f7f8f4;
  --ink: #121a16;
  --ink-soft: rgba(18, 26, 22, 0.68);
  --ink-faint: rgba(18, 26, 22, 0.44);
  --line: rgba(18, 26, 22, 0.18);
  --line-soft: rgba(18, 26, 22, 0.09);
  --gridline: rgba(18, 26, 22, 0.055);
  --accent: #12744a;
  --accent-dim: rgba(18, 116, 74, 0.1);
  --accent-ink: #f2f6f1;
  --warn: #9a6d14;
  --img-filter: saturate(0.9) contrast(1.02);
  --glow: none;
  --shadow: 0 20px 44px -22px rgba(18, 26, 22, 0.3);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-main);
  font-size: clamp(0.9rem, 0.86rem + 0.15vw, 0.98rem);
  font-weight: 310;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: clip;
}
body.sheet-open { overflow: hidden; }

/* Blueprint grid ground */
.gridfield {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--gridline) 1px, transparent 1px),
    linear-gradient(90deg, var(--gridline) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 20%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 20%, black 30%, transparent 100%);
}

h1, h2, h3, h4 { font-family: var(--font-main); font-weight: 560; letter-spacing: -0.025em; line-height: 1.08; margin: 0; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: fixed; top: -4rem; left: var(--gutter); z-index: 400;
  background: var(--accent); color: var(--accent-ink);
  padding: 0.7rem 1.2rem; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  transition: top 0.3s;
}
.skip-link:focus-visible { top: 1rem; }

/* Layout shell: rail + content */
.shell { position: relative; z-index: 1; }
@media (min-width: 1080px) { .shell { padding-left: var(--rail-w); } }
.container { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Mono vocabulary ---------- */
.tag {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint);
}
.tag .acc { color: var(--accent); }
.tag--label::before { content: '// '; color: var(--accent); }

.display-xl { font-size: clamp(2.4rem, 6.2vw, 5.2rem); }
.display-lg { font-size: clamp(1.9rem, 4.2vw, 3.4rem); }
.display-md { font-size: clamp(1.4rem, 2.6vw, 2.1rem); }
.display-sm { font-size: clamp(1.1rem, 1.7vw, 1.4rem); }
.accent-txt { color: var(--accent); }

.lede { font-size: clamp(1rem, 1.3vw, 1.18rem); line-height: 1.7; color: var(--ink-soft); font-weight: 300; max-width: 36em; }
.body-copy { color: var(--ink-soft); max-width: 40em; }
.body-copy strong { color: var(--ink); font-weight: 560; }

/* Status dot */
.status { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.status i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: none;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.reduced-motion .status i { animation: none; }

/* ---------- HUD panel ---------- */
.hud {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hud::before, .hud::after {
  content: ''; position: absolute; width: 14px; height: 14px; pointer-events: none;
  transition: border-color 0.3s;
}
.hud::before { top: -1px; left: -1px; border-top: 2px solid var(--accent); border-left: 2px solid var(--accent); }
.hud::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent); }
.hud--pad { padding: clamp(1.3rem, 2.5vw, 2.2rem); }

a.hud, .hud--hover { transition: transform 0.45s var(--ease), border-color 0.35s, box-shadow 0.45s, background 0.35s; }
@media (hover: hover) {
  a.hud:hover, .hud--hover:hover {
    transform: translateY(-5px);
    border-color: var(--line);
    background: var(--accent-dim);
    box-shadow: var(--glow), var(--shadow);
  }
}

/* Data rows with dotted leaders */
.data { display: grid; gap: 0.45rem; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.05em; }
.data > div { display: flex; align-items: baseline; gap: 0.7rem; }
.data dt { color: var(--ink-faint); text-transform: uppercase; font-weight: 400; flex: none; }
.data .lead { flex: 1; border-bottom: 1px dotted var(--line); translate: 0 -3px; min-width: 1rem; }
.data dd { margin: 0; color: var(--ink); font-weight: 600; text-align: right; }
.data dd.ok { color: var(--accent); }

/* ---------- Rail nav (desktop) ---------- */
.rail-nav {
  position: fixed; top: 0; bottom: 0; left: 0; width: var(--rail-w); z-index: 120;
  border-right: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none; flex-direction: column; align-items: center;
  padding: 1rem 0 1.2rem;
}
@media (min-width: 1080px) { .rail-nav { display: flex; } }
.rail-logo {
  font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; color: var(--ink);
  width: 2.6rem; height: 2.6rem; display: grid; place-items: center;
  border: 1px solid var(--line); margin-bottom: 2.2rem;
}
.rail-logo .acc { color: var(--accent); }
.rail-links { display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.rail-link {
  position: relative; width: 2.6rem; height: 2.6rem; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 600; color: var(--ink-faint);
  border: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.rail-link:hover, .rail-link[aria-current='page'] { color: var(--accent); border-color: var(--line); background: var(--panel); }
.rail-link .tip {
  position: absolute; left: calc(100% + 10px); top: 50%; translate: -6px -50%;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap;
  background: var(--panel-solid); border: 1px solid var(--line); color: var(--ink);
  padding: 0.35rem 0.7rem; opacity: 0; pointer-events: none;
  transition: opacity 0.25s, translate 0.3s var(--ease);
}
.rail-link:hover .tip, .rail-link:focus-visible .tip { opacity: 1; translate: 0 -50%; }
.rail-foot { font-family: var(--font-mono); font-size: 0.56rem; color: var(--ink-faint); writing-mode: vertical-rl; letter-spacing: 0.2em; text-transform: uppercase; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 110;
  height: var(--top-h);
  display: flex; align-items: center;
  border-bottom: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.topbar .container { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.crumb { font-family: var(--font-mono); font-size: 0.64rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.crumb .acc { color: var(--accent); }
.crumb .dim { color: var(--ink-faint); }
.topbar-tools { display: flex; align-items: center; gap: 1rem; }
.topbar .status { display: none; }
@media (min-width: 760px) { .topbar .status { display: inline-flex; } }

.theme-toggle {
  appearance: none; border: 1px solid var(--line); background: none; cursor: pointer; color: var(--ink);
  width: 2.3rem; height: 2.3rem; display: grid; place-items: center; position: relative;
  transition: border-color 0.3s;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle svg { width: 1rem; height: 1rem; position: absolute; transition: opacity 0.3s, transform 0.5s var(--ease); }
.theme-toggle .icon-sun { opacity: 0; transform: scale(0.4) rotate(90deg); }
.theme-toggle .icon-moon { opacity: 1; }
:root[data-theme='light'] .theme-toggle .icon-sun { opacity: 1; transform: none; }
:root[data-theme='light'] .theme-toggle .icon-moon { opacity: 0; transform: scale(0.4) rotate(-90deg); }

.demo-btn {
  display: none; font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--accent); padding: 0.55rem 1rem;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
@media (min-width: 760px) { .demo-btn { display: inline-block; } }
.demo-btn:hover { background: var(--accent); color: var(--accent-ink); box-shadow: var(--glow); }

.sheet-btn {
  appearance: none; border: 1px solid var(--line); background: none; cursor: pointer; color: var(--ink);
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.55rem 0.9rem;
}
@media (min-width: 1080px) { .sheet-btn { display: none; } }

/* ---------- Bottom sheet (mobile nav) ---------- */
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 220;
  background: var(--panel-solid); border-top: 1px solid var(--line);
  transform: translateY(104%); transition: transform 0.55s var(--ease);
  padding: 1.1rem var(--gutter) 2rem;
  max-height: 82svh; overflow: auto;
  box-shadow: var(--shadow);
}
body.sheet-open .sheet { transform: translateY(0); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; }
.sheet-close {
  appearance: none; border: 1px solid var(--line); background: none; cursor: pointer; color: var(--ink);
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.55rem 0.9rem;
  transition: border-color 0.3s, color 0.3s;
}
.sheet-close:hover { border-color: var(--accent); color: var(--accent); }
.sheet-nav { display: grid; }
.sheet-link {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.95rem 0.2rem; border-bottom: 1px solid var(--line-soft);
  font-size: 1.15rem; font-weight: 460; letter-spacing: -0.01em;
  transition: color 0.3s, padding-left 0.3s var(--ease);
}
.sheet-link .idx { font-family: var(--font-mono); font-size: 0.6rem; color: var(--ink-faint); }
.sheet-link:hover, .sheet-link[aria-current='page'] { color: var(--accent); }
.sheet-scrim {
  position: fixed; inset: 0; z-index: 210; background: rgba(5, 8, 10, 0.55);
  opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
body.sheet-open .sheet-scrim { opacity: 1; pointer-events: auto; }

/* ---------- Media ---------- */
.media { position: relative; overflow: hidden; background: var(--bg-raise); }
.media img { width: 100%; height: 100%; object-fit: cover; filter: var(--img-filter); transition: filter 0.5s; }
.media--hud { border: 1px solid var(--line-soft); }
.media-tag {
  position: absolute; left: 0.8rem; bottom: 0.8rem; z-index: 3;
  font-family: var(--font-mono); font-size: 0.58rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  background: color-mix(in srgb, var(--bg) 80%, transparent); color: var(--ink);
  border: 1px solid var(--line); padding: 0.35rem 0.6rem;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.media-tag .acc { color: var(--accent); }

.js .media[data-reveal-media] img { opacity: 0; transform: scale(1.04); }
.js .media[data-reveal-media].is-inview img {
  opacity: 1; transform: none;
  transition: opacity 0.7s ease-out, transform 1.1s var(--ease);
}
.js.reduced-motion .media[data-reveal-media] img { opacity: 1; transform: none; }

/* Reveal machinery — "boot" grammar: blink up */
.js [data-reveal] { opacity: 0; translate: 0 0.9rem; }
.js [data-reveal].is-inview {
  opacity: 1; translate: 0 0;
  transition: opacity 0.5s steps(3, jump-end), translate 0.55s var(--ease);
}
.js.reduced-motion [data-reveal] { opacity: 1; translate: 0 0; }
.js [data-trace] { border-color: transparent; }
.js [data-trace].is-inview { border-color: var(--line-soft); transition: border-color 0.8s ease 0.2s; }

/* ---------- DECK HERO ---------- */
.deck {
  position: relative; min-height: calc(100svh - var(--top-h));
  display: grid; align-items: center;
  overflow: clip;
  padding-block: clamp(2rem, 5vh, 4rem);
}
.deck-grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 1080px) { .deck-grid { grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 4vw, 4rem); } }

.deck-copy { position: relative; z-index: 5; display: grid; gap: 1.5rem; justify-items: start; }
.deck-copy h1 .line { display: block; }
.js .deck-copy h1 .line { opacity: 0; }
.js.booted .deck-copy h1 .line { opacity: 1; transition: opacity 0.45s steps(3, jump-end); }
.js.booted .deck-copy h1 .line:nth-child(2) { transition-delay: 0.12s; }
.js.booted .deck-copy h1 .line:nth-child(3) { transition-delay: 0.24s; }
.js.reduced-motion .deck-copy h1 .line { opacity: 1; }

.deck-metrics { display: flex; flex-wrap: wrap; gap: 1rem 2.4rem; margin-top: 0.6rem; }
.deck-metrics .m { display: grid; gap: 0.15rem; }
.deck-metrics .v { font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; color: var(--ink); }
.deck-metrics .v .acc { color: var(--accent); }
.deck-metrics .k { font-family: var(--font-mono); font-size: 0.56rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); }

/* 3D scene */
.scene { position: relative; perspective: 1400px; min-height: 20rem; }
.scene-inner { position: relative; transform-style: preserve-3d; transition: transform 0.25s ease-out; }
.reduced-motion .scene-inner { transition: none; }
.scene-main { aspect-ratio: 4 / 3; }
.scene-card { position: absolute; z-index: 6; }
.scene-card--mission {
  top: -1.4rem; left: -2rem; width: min(15rem, 60%);
  transform: translateZ(70px);
}
.scene-card--feed {
  bottom: -1.6rem; right: -1.2rem; width: min(13rem, 52%);
  transform: translateZ(110px);
}
.scene-card--feed .media { aspect-ratio: 16 / 10; }
@media (max-width: 1079px) {
  .scene { margin-inline: 1.2rem; }
  .scene-card--mission { left: -1rem; }
  .scene-card--feed { right: -0.8rem; }
}
.scene-card .hud { background: color-mix(in srgb, var(--panel-solid) 88%, transparent); box-shadow: var(--shadow); }
.scene-card .hud--pad { padding: 0.9rem 1rem; }

/* boot blink for hero panels */
.js .boot { opacity: 0; }
.js.booted .boot { opacity: 1; transition: opacity 0.5s steps(4, jump-end); }
.js.booted .boot.boot-2 { transition-delay: 0.35s; }
.js.booted .boot.boot-3 { transition-delay: 0.6s; }
.js.reduced-motion .boot { opacity: 1; }

/* Scan sweep across hero media */
.scan { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.scan::after {
  content: ''; position: absolute; left: 0; right: 0; height: 34%;
  top: -40%;
  background: linear-gradient(180deg, transparent, var(--accent-dim), transparent);
  animation: scan-sweep 5.5s var(--ease) infinite;
}
@keyframes scan-sweep { 0% { top: -40%; } 55%, 100% { top: 110%; } }
.reduced-motion .scan::after { animation: none; display: none; }

/* ---------- Sections ---------- */
.section { position: relative; padding-block: var(--sect); }
.sect-head { margin-bottom: clamp(2rem, 5vh, 3.4rem); display: grid; gap: 1rem; }
.sect-head .row { display: flex; justify-content: space-between; align-items: baseline; gap: 2rem; flex-wrap: wrap; }
.sect-head h2 { max-width: 16em; }

/* Systems grid */
.sys-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .sys-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1240px) { .sys-grid { grid-template-columns: repeat(4, 1fr); } }
.sys-card { display: grid; gap: 1.1rem; align-content: start; }
.sys-card .media { aspect-ratio: 16 / 11; }
.sys-card h3 { font-size: 1.15rem; letter-spacing: -0.015em; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.sys-card h3 .code { font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; color: var(--accent); }
.sys-card p { margin: 0; font-size: 0.85rem; color: var(--ink-soft); }
.sys-card .data { margin-top: 0.3rem; }

/* Pipeline steps */
.pipeline { display: grid; gap: 1.2rem; grid-template-columns: 1fr; counter-reset: step; position: relative; }
@media (min-width: 900px) { .pipeline { grid-template-columns: repeat(4, 1fr); } }
.pipe-step { position: relative; padding: 1.4rem 1.3rem 1.5rem; }
.pipe-step .idx { font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; color: var(--accent); letter-spacing: 0.12em; }
.pipe-step h3 { font-size: 1.1rem; margin: 0.7rem 0 0.6rem; }
.pipe-step p { margin: 0; font-size: 0.84rem; color: var(--ink-soft); }
.pipe-step .arrow {
  position: absolute; top: 50%; right: -1rem; translate: 0 -50%; z-index: 2;
  color: var(--accent); font-family: var(--font-mono); display: none;
}
@media (min-width: 900px) { .pipe-step:not(:last-child) .arrow { display: block; } }

/* Stats band */
.stats-band { border-block: 1px solid var(--line-soft); padding-block: clamp(2.2rem, 5vh, 3.5rem); display: grid; gap: 2.2rem 1.5rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .stats-band { grid-template-columns: repeat(4, 1fr); } }
.stat { display: grid; gap: 0.5rem; }
.stat .v { font-family: var(--font-mono); font-weight: 600; font-size: clamp(1.7rem, 3.4vw, 2.7rem); line-height: 1; color: var(--ink); }
.stat .v sup { font-size: 0.5em; color: var(--accent); }
.stat .k { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); }

/* Featured deployment split */
@media (min-width: 1000px) { .deploy-split { grid-template-columns: 1.2fr 1fr; gap: clamp(2rem, 4vw, 4rem) !important; } }

/* Sector chips */
.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--line); color: var(--ink-soft); padding: 0.55rem 1rem;
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* Log list (briefings) */
.log { border-top: 1px solid var(--line); }
.log-row {
  display: grid; gap: 0.4rem 1.6rem; padding: 1.3rem 0.2rem; border-bottom: 1px solid var(--line-soft);
  grid-template-columns: 1fr; align-items: baseline;
  transition: background 0.3s, padding-left 0.35s var(--ease);
}
@media (min-width: 860px) { .log-row { grid-template-columns: 10rem 1fr auto auto; } }
.log-row:hover { background: var(--panel); padding-left: 0.8rem; }
.log-row .ts { font-family: var(--font-mono); font-size: 0.64rem; font-weight: 600; color: var(--accent); }
.log-row h3 { font-size: clamp(1.05rem, 1.8vw, 1.35rem); font-weight: 460; letter-spacing: -0.01em; transition: color 0.3s; }
.log-row:hover h3 { color: var(--accent); }
.log-row .cat { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }
.log-row .go { font-family: var(--font-mono); color: var(--ink-faint); transition: transform 0.35s var(--ease), color 0.3s; justify-self: end; }
.log-row:hover .go { transform: translateX(0.4rem); color: var(--accent); }
.log-row p { margin: 0; font-size: 0.85rem; color: var(--ink-soft); max-width: 46em; }
@media (min-width: 860px) { .log-row p { grid-column: 2 / 5; } }

/* Quote — terminal transmission */
.transmission { max-width: 50rem; }
.transmission .hud--pad { padding: clamp(1.6rem, 3.5vw, 2.6rem); }
.transmission blockquote {
  margin: 0; font-size: clamp(1.15rem, 2.4vw, 1.7rem); font-weight: 380; line-height: 1.5; letter-spacing: -0.015em;
}
.transmission blockquote .cursor-block {
  display: inline-block; width: 0.55em; height: 1.1em; background: var(--accent); vertical-align: text-bottom; margin-left: 0.2em;
  animation: pulse 1.1s steps(2, jump-none) infinite;
}
.transmission figcaption { margin-top: 1.2rem; }

/* CTA panel */
.cta-hud { text-align: center; padding: clamp(2.5rem, 7vh, 5rem) clamp(1.5rem, 4vw, 4rem); display: grid; gap: 1.6rem; justify-items: center; }
.cta-hud h2 { max-width: 14em; }

.btn {
  display: inline-flex; align-items: center; gap: 0.8rem;
  font-family: var(--font-mono); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  border: 1px solid var(--accent); color: var(--accent); padding: 0.95rem 1.7rem;
  background: none; cursor: pointer;
  transition: background 0.3s, color 0.3s, box-shadow 0.35s;
}
.btn:hover { background: var(--accent); color: var(--accent-ink); box-shadow: var(--glow); }
.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--solid:hover { background: transparent; color: var(--accent); }
.link-mono {
  font-family: var(--font-mono); font-size: 0.64rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: 0.5rem;
  transition: gap 0.3s var(--ease);
}
.link-mono:hover { gap: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line-soft); position: relative; z-index: 1; }
.footer-grid { display: grid; gap: 2.5rem; padding-block: clamp(2.6rem, 6vh, 4rem); grid-template-columns: 1fr; }
@media (min-width: 860px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; } }
.site-footer .col-tag { margin-bottom: 1.1rem; display: block; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.site-footer li a { color: var(--ink-soft); font-size: 0.86rem; transition: color 0.3s; }
.site-footer li a:hover { color: var(--accent); }
.footer-meta {
  border-top: 1px solid var(--line-soft); padding-block: 1.2rem;
  display: flex; flex-wrap: wrap; gap: 0.6rem 2.5rem; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint);
}

/* ---------- Inner-page components ---------- */
.page-head { padding-top: clamp(2.5rem, 6vh, 4rem); display: grid; gap: 1.3rem; }
.page-head h1 { max-width: 13em; }

/* Spec sheet: two-col data */
.spec-cols { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 860px) { .spec-cols { grid-template-columns: 1fr 1fr; } }

/* Changelog (about timeline) */
.changelog { border-left: 1px solid var(--line); display: grid; gap: 0; }
.change {
  position: relative; padding: 1.3rem 0 1.3rem 2rem;
}
.change::before {
  content: ''; position: absolute; left: -4px; top: 1.85rem; width: 7px; height: 7px;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}
.change .ver { font-family: var(--font-mono); font-size: 0.66rem; font-weight: 600; color: var(--accent); letter-spacing: 0.1em; }
.change h3 { font-size: 1.15rem; margin: 0.4rem 0 0.4rem; }
.change p { margin: 0; color: var(--ink-soft); font-size: 0.88rem; max-width: 46em; }

/* Team */
.team-grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 1024px) { .team-grid { grid-template-columns: repeat(4, 1fr); } }
.team-card { display: grid; gap: 0; align-content: start; }
.team-card .media { aspect-ratio: 3 / 4; }
.team-card .media img { filter: var(--img-filter) grayscale(1) contrast(1.05); transition: filter 0.5s; }
@media (hover: hover) { .team-card:hover .media img { filter: var(--img-filter) grayscale(0.2); } }
.team-card .meta { padding: 0.9rem 1rem 1.1rem; display: grid; gap: 0.2rem; }
.team-card h3 { font-size: 1rem; font-weight: 500; }
.team-card .role { font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); }

/* Comparison table */
.cmp-wrap { overflow-x: auto; }
.cmp { width: 100%; border-collapse: collapse; min-width: 40rem; font-size: 0.85rem; }
.cmp th, .cmp td { text-align: left; padding: 0.9rem 1rem; border: 1px solid var(--line-soft); }
.cmp thead th { font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); background: var(--panel); }
.cmp tbody th { font-family: var(--font-mono); font-size: 0.62rem; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); }
.cmp td { color: var(--ink-soft); }
.cmp td b { color: var(--ink); font-weight: 600; }

/* Terminal Q&A */
.term-qa { display: grid; gap: 1rem; max-width: 50rem; }
.term-qa .hud--pad { padding: 1.3rem 1.5rem; }
.term-qa .q { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; color: var(--accent); margin-bottom: 0.6rem; }
.term-qa .q::before { content: '> '; }
.term-qa .a { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

/* Article/briefing body */
.briefing { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .briefing { grid-template-columns: 15rem 1fr; gap: clamp(2rem, 4vw, 4rem); } }
.briefing-side .inner { position: sticky; top: calc(var(--top-h) + 1.5rem); display: grid; gap: 1.5rem; }
.briefing-body { max-width: 44rem; color: var(--ink-soft); font-size: 0.98rem; line-height: 1.85; }
.briefing-body .lede-para { font-size: 1.15rem; color: var(--ink); font-weight: 380; line-height: 1.65; }
.briefing-body h2 {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem); margin: 2.2em 0 0.7em; color: var(--ink);
}
.briefing-body h2::before { content: '// '; color: var(--accent); font-family: var(--font-mono); font-weight: 600; font-size: 0.8em; }
.briefing-body figure { margin: 2.2em 0; }
.callout {
  border: 1px solid var(--line-soft); border-left: 2px solid var(--accent);
  background: var(--panel); padding: 1.2rem 1.4rem; margin: 2em 0;
  font-size: 0.9rem;
}
.callout .tag { display: block; margin-bottom: 0.5rem; }

/* Form */
.form-grid { display: grid; gap: 1.3rem; }
.field-row { display: grid; gap: 1.3rem; }
@media (min-width: 700px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-family: var(--font-mono); font-size: 0.58rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.5rem; }
.field input, .field select, .field textarea {
  width: 100%; appearance: none; background: var(--panel); color: var(--ink);
  border: 1px solid var(--line); border-radius: 0; padding: 0.8rem 0.95rem;
  font-family: var(--font-main); font-size: 0.92rem; font-weight: 330;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.field select option { background: var(--panel-solid); color: var(--ink); }
.field textarea { resize: vertical; min-height: 7rem; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--glow); background: var(--bg);
}
.form-note { font-family: var(--font-mono); font-size: 0.62rem; color: var(--ink-faint); letter-spacing: 0.05em; }
.form-success {
  display: none; border: 1px solid var(--accent); background: var(--accent-dim);
  padding: 1.5rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink);
}
.form-success.is-visible { display: block; }
.form-success::before { content: '> ACK — '; color: var(--accent); font-weight: 600; }

/* Next nav */
.next-nav { border-top: 1px solid var(--line-soft); }
.next-nav a {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: clamp(1.8rem, 4.5vh, 3rem) 0;
}
.next-nav h2 { font-size: clamp(1.5rem, 3.4vw, 2.6rem); transition: color 0.3s; }
.next-nav a:hover h2 { color: var(--accent); }

.back-link { font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); transition: color 0.3s; }
.back-link:hover { color: var(--accent); }

/* Case cards (deployments) */
.case-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 860px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
.case-card { display: grid; align-content: start; }
.case-card .media { aspect-ratio: 16 / 9; }
.case-card .body { padding: 1.2rem 1.3rem 1.4rem; display: grid; gap: 0.7rem; }
.case-card h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.015em; transition: color 0.3s; }
.case-card:hover h3 { color: var(--accent); }
.case-card .sub { margin: 0; font-size: 0.85rem; color: var(--ink-soft); }

@media (max-width: 759px) {
  :root { --top-h: 3.4rem; }
  .scene-card--mission { top: -0.8rem; }
}

@media print {
  .rail-nav, .topbar, .sheet, .sheet-scrim, .gridfield, .scan { display: none !important; }
}