/* ============================================
   OrtoIoT — Design System
   Tech / industrial / monospace
   ============================================ */

:root {
  /* Palette — light */
  --bg: #ffffff;
  --bg-sub: #fafafa;
  --bg-alt: #f4f4f2;
  --ink: #0a0a0a;
  --ink-2: #1a1a1a;
  --ink-3: #525252;
  --ink-4: #8a8a8a;
  --line: #e5e5e5;
  --line-2: #ececec;
  --accent: #00c26e;
  --accent-ink: #003d22;
  --warn: #d97706;

  /* Type */
  --f-sans: "Geist", "Neue Haas Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-mono: "JetBrains Mono", "Geist Mono", "SF Mono", ui-monospace, Menlo, monospace;

  /* Density (tweakable) */
  --d: 1;                    /* density multiplier 0.85..1.25 */
  --gap: calc(24px * var(--d));
  --pad: calc(32px * var(--d));
  --rail: calc(56px * var(--d));
  --page-pad: clamp(20px, 4vw, 48px);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-sub: #101010;
  --bg-alt: #141414;
  --ink: #fafafa;
  --ink-2: #e5e5e5;
  --ink-3: #a3a3a3;
  --ink-4: #737373;
  --line: #1f1f1f;
  --line-2: #262626;
  --accent: #22d98a;
  --accent-ink: #001f11;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv01";
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---------- Reusable ---------- */

.mono {
  font-family: var(--f-mono);
  font-feature-settings: "zero", "ss01";
  letter-spacing: -0.01em;
}
.tabular { font-variant-numeric: tabular-nums; }
.upper { text-transform: uppercase; letter-spacing: 0.08em; }
.hair { border-top: 1px solid var(--line); }
.hair-b { border-bottom: 1px solid var(--line); }
.rule { height: 1px; background: var(--line); width: 100%; }

.wrap {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}

/* Subtle grid background (graph paper) */
.paper {
  background-image:
    linear-gradient(to right, var(--line-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-2) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
}

/* Small UI atoms */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink-3);
  background: var(--bg);
  text-transform: uppercase;
}
.tag .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in oklab, var(--accent) 20%, transparent);
}
.tag.live .dot { animation: pulse 1.6s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease);
  text-transform: uppercase;
}
.btn:hover { transform: translateY(-1px); background: var(--ink-2); }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn.ghost:hover { border-color: var(--ink); background: transparent; }
.btn.accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn .arrow { font-family: var(--f-mono); }

/* Type scale */
.display {
  font-family: var(--f-sans);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  font-size: clamp(44px, 7vw, 96px);
}
.h1 {
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  font-size: clamp(36px, 5vw, 64px);
}
.h2 {
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-size: clamp(26px, 3vw, 40px);
}
.h3 {
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
  font-size: 20px;
}
.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.caption {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.02em;
}
.lede {
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.5;
  color: var(--ink-3);
  max-width: 62ch;
  text-wrap: pretty;
}

/* Sections */
section { border-top: 1px solid var(--line); }
section:first-of-type { border-top: none; }

/* Top nav */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.topbar nav {
  display: flex;
  gap: 4px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.topbar nav a {
  padding: 6px 10px;
  color: var(--ink-3);
  border-radius: 2px;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.topbar nav a:hover { color: var(--ink); background: var(--bg-sub); }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 24px; height: 24px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  border-radius: 2px;
}
.brand-name { letter-spacing: -0.02em; }
.brand-name b { font-weight: 600; }

.lang-pill {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  font-family: var(--f-mono);
  font-size: 11px;
}
.lang-pill button {
  background: transparent;
  border: 0;
  padding: 6px 10px;
  color: var(--ink-3);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}
.lang-pill button.on {
  background: var(--ink);
  color: var(--bg);
}

/* ---------- HERO ---------- */
.hero {
  padding: clamp(48px, 8vw, 120px) 0 clamp(56px, 8vw, 120px);
  position: relative;
}
.hero .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(32px, 5vw, 56px);
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.hero .meta-row .dot-sep { color: var(--line); }

.hero-title {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}
.hero-title .display {
  max-width: 15ch;
}
.hero-title .display em {
  font-style: normal;
  color: var(--ink-4);
}
.hero-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  margin-top: clamp(32px, 5vw, 72px);
  align-items: end;
}
.hero-bottom .ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-top: clamp(56px, 8vw, 96px);
}
.spec-strip .cell {
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}
.spec-strip .cell:last-child { border-right: 0; }
.spec-strip .k {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 10px;
}
.spec-strip .v {
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: clamp(28px, 3.2vw, 44px);
  letter-spacing: -0.03em;
  line-height: 1;
}
.spec-strip .v .u {
  font-size: 0.45em;
  color: var(--ink-3);
  margin-left: 4px;
  letter-spacing: 0;
  font-family: var(--f-mono);
}

/* ---------- Section header ---------- */
.sec-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: clamp(40px, 6vw, 80px) 0 clamp(24px, 3vw, 40px);
  align-items: start;
}
.sec-head .idx {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 10px;
  border-top: 1px solid var(--ink);
  display: flex;
  justify-content: space-between;
}
.sec-head .lede { color: var(--ink-3); max-width: 52ch; }

/* ---------- Features list ---------- */
.feat-list {
  border-top: 1px solid var(--line);
  padding: clamp(24px, 4vw, 48px) 0 clamp(48px, 7vw, 96px);
}
.feat-row {
  display: grid;
  grid-template-columns: 60px 1.2fr 2fr 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background 0.2s var(--ease);
}
.feat-row:hover { background: var(--bg-sub); }
.feat-row .num {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.1em;
  padding-top: 4px;
}
.feat-row h3 {
  margin: 0;
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.feat-row p {
  margin: 0;
  color: var(--ink-3);
  max-width: 52ch;
  text-wrap: pretty;
}
.feat-row .vs {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-4);
  line-height: 1.5;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}
.feat-row .vs b {
  display: block;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
}

/* ---------- Process ---------- */
.process {
  padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 8vw, 120px);
  background: var(--bg-sub);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.process-steps .step {
  background: var(--bg);
  padding: 28px 24px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.process-steps .step .n {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}
.process-steps .step h4 {
  margin: 20px 0 12px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.process-steps .step p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
}

/* ---------- Gallery ---------- */
.gallery {
  padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 8vw, 120px);
}
.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-auto-rows: 280px;
  gap: 16px;
}
.gallery-grid .cell {
  position: relative;
  overflow: hidden;
  background: var(--bg-sub);
  border: 1px solid var(--line);
}
.gallery-grid .cell img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.gallery-grid .cell:hover img { transform: scale(1.03); }
.gallery-grid .cell .lbl {
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: rgba(10,10,10,0.7);
  padding: 4px 8px;
  backdrop-filter: blur(4px);
}
.gallery-grid .cell.tall { grid-row: span 2; }
.gallery-grid .cell.wide { grid-column: span 2; }

/* ---------- Presets ---------- */
.presets {
  padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 8vw, 120px);
  background: var(--bg-sub);
}
.presets-tbl {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 13px;
}
.presets-tbl .row {
  display: grid;
  grid-template-columns: 60px 2.2fr 1fr 1fr 120px;
  gap: 16px;
  padding: 18px 12px;
  align-items: center;
  border-top: 1px solid var(--line);
  transition: background 0.15s var(--ease);
}
.presets-tbl .row:hover { background: var(--bg); }
.presets-tbl .row.head {
  background: transparent;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding: 12px;
  border-top: 0;
}
.presets-tbl .row .name {
  font-family: var(--f-sans);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.presets-tbl .row .name small {
  display: block;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-4);
  font-weight: 400;
  margin-top: 2px;
  letter-spacing: 0.02em;
  text-transform: none;
}
.presets-tbl .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  color: var(--ink-3);
  width: fit-content;
}
.presets-tbl .badge.prog { color: var(--accent-ink); background: color-mix(in oklab, var(--accent) 30%, white); border-color: transparent; }
[data-theme="dark"] .presets-tbl .badge.prog { color: var(--accent); background: color-mix(in oklab, var(--accent) 15%, black); }
.presets-tbl .dl {
  font-size: 11px;
  padding: 8px 12px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: transform 0.15s var(--ease);
}
.presets-tbl .dl:hover { transform: translateY(-1px); }

/* ---------- Demo CTA ---------- */
.cta-block {
  padding: clamp(48px, 8vw, 120px) 0;
  border-top: 1px solid var(--line);
}
.cta-block .inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
}
.cta-card {
  position: relative;
  border: 1px solid var(--line);
  padding: clamp(24px, 3vw, 40px);
  background: var(--bg);
}
.cta-card h3 { margin: 0 0 8px; font-size: 26px; letter-spacing: -0.02em; font-weight: 500; }
.cta-card p { margin: 0 0 20px; color: var(--ink-3); }

/* Terminal-style demo preview */
.terminal-preview {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 12px;
  overflow: hidden;
  position: relative;
  min-height: 360px;
}
.terminal-preview .tp-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-sub);
}
.terminal-preview .tp-head .tp-dots {
  display: flex; gap: 6px;
}
.terminal-preview .tp-head .tp-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line);
}
.terminal-preview .tp-head .tp-title {
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.terminal-preview .tp-body {
  padding: 20px;
  display: grid;
  gap: 14px;
}
.terminal-preview .tp-row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 10px;
  align-items: center;
  color: var(--ink-3);
}
.terminal-preview .tp-row .k { color: var(--accent); }
.terminal-preview .tp-row .v {
  color: var(--ink);
  font-weight: 500;
}
.terminal-preview .tp-row .bar {
  position: relative;
  height: 4px;
  background: var(--line-2);
  overflow: hidden;
}
.terminal-preview .tp-row .bar::after {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--w, 70%);
  background: var(--ink);
}

/* ---------- Other products ---------- */
.others {
  padding: clamp(40px, 6vw, 80px) 0 clamp(48px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.others-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 40px);
}
.prod-card {
  position: relative;
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--line);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 260px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}
.prod-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.prod-card .pc-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: auto;
}
.prod-card .pc-id {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.prod-card h3 {
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 24px 0 10px;
}
.prod-card p {
  margin: 0 0 20px;
  color: var(--ink-3);
  font-size: 14px;
  max-width: 42ch;
  text-wrap: pretty;
}
.prod-card .pc-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  justify-content: space-between;
}
.prod-card .pc-go .arr {
  transition: transform 0.25s var(--ease);
}
.prod-card:hover .pc-go .arr { transform: translateX(4px); }
.prod-card .pc-badge {
  font-family: var(--f-mono);
  font-size: 10px;
  padding: 3px 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  background: var(--accent);
  color: var(--accent-ink);
}

@media (max-width: 900px) {
  .others-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
footer.foot {
  border-top: 1px solid var(--line);
  padding: clamp(40px, 6vw, 72px) 0 24px;
  background: var(--bg);
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.foot-grid h4 {
  margin: 0 0 16px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.foot-grid a, .foot-grid p {
  display: block;
  margin: 0 0 6px;
  color: var(--ink-2);
  font-size: 14px;
}
.foot-grid a:hover { color: var(--accent); }
.foot-bot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Tweaks panel ---------- */
.tweaks {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  background: var(--bg);
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: 16px;
  width: 280px;
  font-family: var(--f-mono);
  font-size: 11px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  display: none;
}
.tweaks.open { display: block; }
.tweaks h5 {
  margin: 0 0 12px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tweaks .group { margin-bottom: 16px; }
.tweaks .group:last-child { margin-bottom: 0; }
.tweaks .seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.tweaks .seg button {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 8px 6px;
  font-family: inherit;
  font-size: 10px;
  color: var(--ink-3);
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tweaks .seg button:last-child { border-right: 0; }
.tweaks .seg button.on {
  background: var(--ink);
  color: var(--bg);
}
.tweaks input[type="range"] {
  width: 100%;
}
.tweaks .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  color: var(--ink-3);
}
.tweaks .val { color: var(--ink); }

/* ---------- Variant: terminal ---------- */
[data-variant="terminal"] {
  --f-sans: "JetBrains Mono", "Geist Mono", "SF Mono", ui-monospace, Menlo, monospace;
}
[data-variant="terminal"] .display,
[data-variant="terminal"] .h1,
[data-variant="terminal"] .h2,
[data-variant="terminal"] .h3 {
  letter-spacing: -0.02em;
  font-weight: 500;
}
[data-variant="terminal"] .display { font-size: clamp(36px, 5.5vw, 72px); line-height: 1; }
[data-variant="terminal"] .spec-strip .v { font-family: var(--f-mono); }
[data-variant="terminal"] .feat-row h3 { font-family: var(--f-mono); font-size: 18px; }

/* ---------- Variant: editorial ---------- */
[data-variant="editorial"] .display {
  font-size: clamp(56px, 10vw, 144px);
  letter-spacing: -0.05em;
  font-weight: 400;
}
[data-variant="editorial"] .hero { padding: clamp(64px, 10vw, 160px) 0; }
[data-variant="editorial"] .feat-row h3 { font-size: 28px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-bottom { grid-template-columns: 1fr; }
  .spec-strip { grid-template-columns: repeat(2, 1fr); }
  .spec-strip .cell:nth-child(2) { border-right: 0; }
  .spec-strip .cell:nth-child(1), .spec-strip .cell:nth-child(2) { border-bottom: 1px solid var(--line); }
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
  .feat-row { grid-template-columns: 40px 1fr; }
  .feat-row p, .feat-row .vs { grid-column: 2; }
  .feat-row .vs { border-left: 0; padding-left: 0; border-top: 1px dashed var(--line); padding-top: 10px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .gallery-grid .cell.wide, .gallery-grid .cell.tall { grid-column: auto; grid-row: auto; }
  .presets-tbl .row { grid-template-columns: 30px 1fr auto; font-size: 11px; }
  .presets-tbl .row .col-type, .presets-tbl .row .col-time { display: none; }
  .cta-block .inner { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .topbar nav { display: none; }
}