/* FORGE LINE — industrial Swiss blueprint */
:root {
  --bg: #0c0e10;
  --bg-2: #12151a;
  --bg-3: #181c22;
  --ink: #e8eaed;
  --ink-dim: #9aa3ad;
  --ink-mute: #6b737c;
  --line: #2a3038;
  --line-strong: #3d4652;
  --amber: #d4a017;
  --amber-bright: #e8b84a;
  --amber-dim: rgba(212, 160, 23, 0.18);
  --amber-line: rgba(232, 184, 74, 0.45);
  --metal: #8a9199;
  --danger: #c44;
  --max: 1180px;
  --gutter: clamp(1rem, 3vw, 2rem);
  --nav-h: 64px;
  --rail-h: 36px;
  --font: "Bahnschrift", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "Consolas", "Cascadia Mono", "SF Mono", "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(232, 184, 74, 0.03) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(rgba(232, 184, 74, 0.03) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: none; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

.wrap {
  width: min(100% - var(--gutter) * 2, var(--max));
  margin-inline: auto;
}

.mono { font-family: var(--mono); letter-spacing: 0.04em; }
.amber { color: var(--amber-bright); }
.dim { color: var(--ink-dim); }
.mute { color: var(--ink-mute); }
.uppercase { text-transform: uppercase; }

/* —— Blueprint top rail —— */
.bp-rail {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--rail-h);
  background: var(--bg-2);
  border-bottom: 1px solid var(--amber-line);
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

.bp-rail__ticks {
  display: flex;
  flex: 1;
  align-items: flex-end;
  padding: 0 0.5rem 0;
  gap: 0;
  min-width: 0;
}

.bp-rail__tick {
  flex: 1;
  min-width: 12px;
  height: 8px;
  border-left: 1px solid var(--amber-line);
  position: relative;
}

.bp-rail__tick:nth-child(5n) {
  height: 14px;
  border-left-color: var(--amber-bright);
}

.bp-rail__tick:nth-child(5n)::after {
  content: attr(data-n);
  position: absolute;
  left: 2px;
  bottom: 16px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.bp-rail__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1rem;
  border-left: 1px solid var(--amber-line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-bright);
  white-space: nowrap;
  background: var(--bg-3);
}

.bp-rail__meta span { color: var(--ink-mute); }

/* —— Site header —— */
.site-header {
  position: sticky;
  top: var(--rail-h);
  z-index: 40;
  background: rgba(12, 14, 16, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--nav-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand__mark {
  width: 36px;
  height: 36px;
  border: 1px solid var(--amber-bright);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--amber-bright);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.brand__name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 0.45rem 0.65rem;
  border: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--amber-bright);
  border-color: var(--amber-line);
  background: var(--amber-dim);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--amber-bright);
  color: var(--bg);
  background: var(--amber-bright);
  transition: transform 0.12s, background 0.15s, color 0.15s;
  white-space: nowrap;
}

.btn:hover { background: #f0c75a; }
.btn:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  color: var(--amber-bright);
}

.btn--ghost:hover {
  background: var(--amber-dim);
  color: var(--amber-bright);
}

.btn--block { width: 100%; }

/* —— Page frame / side dimension —— */
.page {
  position: relative;
}

.page::before {
  content: "";
  position: fixed;
  left: 0;
  top: calc(var(--rail-h) + var(--nav-h));
  bottom: 0;
  width: 12px;
  border-right: 1px solid var(--amber-line);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0 22px,
      var(--amber-line) 22px 23px
    );
  pointer-events: none;
  z-index: 5;
  opacity: 0.55;
}

@media (max-width: 900px) {
  .page::before { display: none; }
}

/* —— Hero —— */
.hero {
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: min(78vh, 720px);
}

.hero__copy {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.25rem;
  border-right: 1px solid var(--line);
  padding-right: clamp(1rem, 3vw, 2.5rem);
}

.hero__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-bright);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--amber-bright);
}

.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

.hero__lead {
  color: var(--ink-dim);
  max-width: 38ch;
  font-size: 1.02rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.35rem;
}

.hero__dims {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  margin-top: 1rem;
}

.hero__dim {
  padding: 0.85rem 0.75rem 0.85rem 0;
  border-right: 1px solid var(--line);
}

.hero__dim:last-child { border-right: none; padding-right: 0; }

.hero__dim dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.3rem;
}

.hero__dim dd {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.hero__visual {
  position: relative;
  min-height: 320px;
  background: var(--bg-3);
  overflow: hidden;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  min-height: 320px;
}

.hero__callout {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--amber-line);
  background: rgba(12, 14, 16, 0.82);
  color: var(--amber-bright);
}

.corner-marks {
  position: absolute;
  inset: 10px;
  pointer-events: none;
}

.corner-marks::before,
.corner-marks::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--amber-bright);
}

.corner-marks::before {
  top: 0; left: 0;
  border-right: none;
  border-bottom: none;
}

.corner-marks::after {
  bottom: 0; right: 0;
  border-left: none;
  border-top: none;
}

/* —— Section chrome —— */
.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  border-bottom: 1px solid var(--line);
}

.section--tight { padding: clamp(2rem, 4vw, 3rem) 0; }

.section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem;
  align-items: end;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.section__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-bright);
  align-self: start;
  padding-top: 0.35rem;
}

.section h2 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  max-width: 18ch;
}

.section__sub {
  grid-column: 2;
  color: var(--ink-dim);
  max-width: 48ch;
  font-size: 0.98rem;
}

/* —— Blueprint track (horizontal product strip) —— */
.bp-track {
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
}

.bp-track__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: var(--bg-3);
}

.bp-track__bar strong { color: var(--amber-bright); font-weight: 500; }

.bp-track__scroll {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.bp-track__item {
  flex: 0 0 min(78vw, 320px);
  scroll-snap-align: start;
  border-right: 1px solid var(--line);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 180px;
}

.bp-track__item:last-child { border-right: none; }

.bp-track__id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber-bright);
}

.bp-track__item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
}

.bp-track__item p {
  color: var(--ink-dim);
  font-size: 0.92rem;
  flex: 1;
}

.bp-track__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-top: 1px dashed var(--line-strong);
  padding-top: 0.65rem;
}

/* —— Cutaway product rows —— */
.cutaway {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
}

.cutaway-row {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.cutaway-row:last-child { border-bottom: none; }
.cutaway-row--flip .cutaway-row__media { order: 2; }
.cutaway-row--flip .cutaway-row__body { order: 1; border-right: none; border-left: 1px solid var(--line); }

.cutaway-row__media {
  position: relative;
  min-height: 260px;
  background: var(--bg-3);
  overflow: hidden;
}

.cutaway-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
  min-height: 260px;
}

.cutaway-row__body {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  justify-content: center;
}

.cutaway-row__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-bright);
}

.cutaway-row h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  font-weight: 700;
  line-height: 1.2;
}

.cutaway-row p { color: var(--ink-dim); max-width: 48ch; }

.spec-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  margin-top: 0.35rem;
}

.spec-strip div {
  padding: 0.7rem 0.75rem;
  border-right: 1px solid var(--line);
}

.spec-strip div:last-child { border-right: none; }

.spec-strip dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.25rem;
}

.spec-strip dd {
  font-size: 0.95rem;
  font-weight: 600;
}

.dim-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}

.dim-line::before,
.dim-line::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--amber-line);
}

/* —— Catalog table (型号表) —— */
.catalog {
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow-x: auto;
}

.catalog table { min-width: 720px; }

.catalog thead th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-bright);
  text-align: left;
  padding: 0.85rem 1rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--amber-line);
  white-space: nowrap;
}

.catalog tbody td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 0.95rem;
}

.catalog tbody tr:last-child td { border-bottom: none; }
.catalog tbody tr:hover td { background: rgba(232, 184, 74, 0.04); }

.catalog .model {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-bright);
}

.catalog .name { font-weight: 700; }
.catalog .note { color: var(--ink-dim); font-size: 0.88rem; margin-top: 0.2rem; }

/* —— Process steps (quote flow) —— */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}

.process__step {
  padding: 1.25rem 1rem;
  border-right: 1px solid var(--line);
  background: var(--bg-2);
  min-height: 160px;
}

.process__step:last-child { border-right: none; }

.process__n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-bright);
  margin-bottom: 0.75rem;
}

.process__step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process__step p {
  color: var(--ink-dim);
  font-size: 0.92rem;
}

/* —— Split content —— */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
}

.split__col {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--bg-2);
}

.split__col + .split__col { border-left: 1px solid var(--line); }

.split__col h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.split__col p,
.split__col li {
  color: var(--ink-dim);
  font-size: 0.95rem;
}

.split__col ul { display: grid; gap: 0.55rem; }

.split__col li {
  padding-left: 1rem;
  position: relative;
}

.split__col li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--amber);
  font-size: 0.75rem;
  top: 0.15rem;
}

/* —— Fact bar —— */
.fact-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: var(--bg-2);
}

.fact-bar__item {
  padding: 1.25rem 1rem;
  border-right: 1px solid var(--line);
}

.fact-bar__item:last-child { border-right: none; }

.fact-bar__item strong {
  display: block;
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--amber-bright);
  margin-bottom: 0.35rem;
  font-family: var(--mono);
}

.fact-bar__item span {
  font-size: 0.88rem;
  color: var(--ink-dim);
}

/* —— Solutions —— */
.sol-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
}

.sol-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1rem;
  align-items: start;
  padding: 1.25rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.sol-item:last-child { border-bottom: none; }

.sol-item__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber-bright);
  padding-top: 0.2rem;
}

.sol-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.sol-item p { color: var(--ink-dim); max-width: 60ch; }

.sol-item__mods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
  max-width: 220px;
}

/* —— Pricing —— */
.price-note {
  border: 1px solid var(--amber-line);
  background: var(--amber-dim);
  padding: 1rem 1.15rem;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.price-note strong { color: var(--amber-bright); }

.quote-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0;
  border: 1px solid var(--line);
}

.quote-grid__main,
.quote-grid__side {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--bg-2);
}

.quote-grid__side {
  border-left: 1px solid var(--line);
  background: var(--bg-3);
}

.quote-list {
  display: grid;
  gap: 0;
}

.quote-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0.75rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.quote-list li:last-child { border-bottom: none; }

.quote-list .n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--amber-bright);
  letter-spacing: 0.08em;
}

.quote-list h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.quote-list p {
  color: var(--ink-dim);
  font-size: 0.9rem;
}

.range-table td,
.range-table th {
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 0.9rem;
}

.range-table th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}

.range-table .val {
  font-family: var(--mono);
  color: var(--amber-bright);
  white-space: nowrap;
}

/* —— About —— */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  min-height: 360px;
}

.about-hero__text {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  border-right: 1px solid var(--line);
}

.about-hero__text h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  line-height: 1.12;
  max-width: 12ch;
}

.about-hero__media {
  position: relative;
  min-height: 280px;
  background: var(--bg-3);
  overflow: hidden;
}

.about-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  min-height: 280px;
}

.timeline {
  border: 1px solid var(--line);
}

.timeline li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  padding: 1.1rem 1.15rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.timeline li:last-child { border-bottom: none; }

.timeline time {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--amber-bright);
  letter-spacing: 0.08em;
}

.timeline h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.timeline p { color: var(--ink-dim); font-size: 0.92rem; }

/* —— Contact —— */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border: 1px solid var(--line);
}

.contact-info,
.contact-form {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--bg-2);
}

.contact-form { border-left: 1px solid var(--line); }

.contact-block {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-block:last-child { border-bottom: none; }

.contact-block h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.45rem;
}

.contact-block a,
.contact-block p {
  font-size: 1.1rem;
  font-weight: 600;
}

.contact-block a:hover { color: var(--amber-bright); }

.form-row {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-row label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--amber-bright);
}

.form-row textarea { min-height: 120px; resize: vertical; }

.form-row--2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-note {
  font-size: 0.85rem;
  color: var(--ink-mute);
  margin-top: 0.75rem;
}

.form-ok {
  display: none;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--amber-line);
  background: var(--amber-dim);
  color: var(--amber-bright);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.form-ok.is-on { display: block; }

/* —— Page hero (inner pages) —— */
.page-hero {
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.page-hero__code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-bright);
  margin-bottom: 0.75rem;
}

.page-hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 14ch;
  margin-bottom: 0.85rem;
}

.page-hero p {
  color: var(--ink-dim);
  max-width: 48ch;
  font-size: 1.02rem;
}

/* —— CTA band —— */
.cta-band {
  background: var(--bg-3);
  border-top: 1px solid var(--amber-line);
  border-bottom: 1px solid var(--amber-line);
  padding: clamp(2rem, 5vw, 3rem) 0;
}

.cta-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.cta-band h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  max-width: 16ch;
  line-height: 1.2;
}

.cta-band p {
  color: var(--ink-dim);
  margin-top: 0.4rem;
  max-width: 40ch;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* —— Footer —— */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-grid h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.85rem;
}

.footer-grid p,
.footer-grid a {
  color: var(--ink-dim);
  font-size: 0.92rem;
  display: block;
  margin-bottom: 0.4rem;
}

.footer-grid a:hover { color: var(--amber-bright); }

.footer-brand .brand__name { margin-bottom: 0.5rem; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* —— Reveal (visible by default; hide only with js-ready) —— */
.reveal {
  opacity: 1;
  transform: none;
}

html.js-ready .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

html.js-ready .reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js-ready .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* —— Utility —— */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-row { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
}

/* —— Responsive —— */
@media (max-width: 960px) {
  .hero__grid,
  .cutaway-row,
  .cutaway-row--flip,
  .about-hero,
  .quote-grid,
  .contact-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero__copy {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-right: 0;
  }

  .cutaway-row__body,
  .cutaway-row--flip .cutaway-row__body {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .cutaway-row--flip .cutaway-row__media { order: 0; }
  .cutaway-row--flip .cutaway-row__body { order: 0; }

  .process,
  .fact-bar {
    grid-template-columns: 1fr 1fr;
  }

  .process__step:nth-child(2),
  .fact-bar__item:nth-child(2) {
    border-right: none;
  }

  .process__step:nth-child(1),
  .process__step:nth-child(2),
  .fact-bar__item:nth-child(1),
  .fact-bar__item:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sol-item {
    grid-template-columns: 1fr;
  }

  .sol-item__mods {
    justify-content: flex-start;
    max-width: none;
  }

  .section__head {
    grid-template-columns: 1fr;
  }

  .section__sub { grid-column: 1; }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem;
  }

  .nav.is-open { display: flex; }

  .nav a {
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    margin-bottom: 0.35rem;
  }

  .site-header { position: sticky; }
  .site-header__inner { position: relative; }

  .hero__dims,
  .spec-strip,
  .process,
  .fact-bar,
  .form-row--2 {
    grid-template-columns: 1fr;
  }

  .hero__dim,
  .spec-strip div,
  .process__step,
  .fact-bar__item {
    border-right: none !important;
    border-bottom: 1px solid var(--line);
  }

  .hero__dim:last-child,
  .spec-strip div:last-child,
  .process__step:last-child,
  .fact-bar__item:last-child {
    border-bottom: none;
  }

  .footer-grid { grid-template-columns: 1fr; }

  .bp-rail__meta { display: none; }

  .quote-grid__side { border-left: none; border-top: 1px solid var(--line); }
  .contact-form { border-left: none; border-top: 1px solid var(--line); }
  .about-hero__text { border-right: none; border-bottom: 1px solid var(--line); }
  .split__col + .split__col { border-left: none; border-top: 1px solid var(--line); }
}

@media (max-width: 480px) {
  .hero h1 { max-width: none; }
  .btn { width: 100%; }
  .hero__actions { width: 100%; }
}