/* ════════════════════════════════════════════
   VARIANT I — Precision Mechanical
   Swiss watch movement × Apple Pro × Linear.app
   Off-white · Charcoal · Steel Blue
   ════════════════════════════════════════════ */

:root {
  --bg: #f7f7f5;
  --bg-2: #efefec;
  --bg-card: #ffffff;
  --ink: #1c1c1e;
  --ink-soft: #2f2f33;
  --ink-mute: #6b7280;
  --ink-faint: #9ca3af;
  --rule: rgba(28, 28, 30, 0.1);
  --rule-strong: rgba(28, 28, 30, 0.22);
  --steel: #4a6b8a;
  --steel-deep: #35506a;
  --steel-soft: #6a88a6;

  --sans: "Sora", "Noto Sans KR", "Pretendard", sans-serif;
  --mono: "JetBrains Mono", monospace;

  --max: 1280px;
  --gutter: clamp(24px, 4vw, 72px);
  --r: 14px;
  --r-lg: 20px;

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

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Subtle brushed steel gradient on body */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 40% at 50% -10%, rgba(74, 107, 138, 0.045), transparent 60%),
    linear-gradient(180deg, transparent 0%, rgba(28, 28, 30, 0.015) 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: transparent; }

main, nav, footer { position: relative; z-index: 2; }

/* ─────────────────────────────────────────── */
/* NAV                                         */
/* ─────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 16px var(--gutter);
  background: rgba(247, 247, 245, 0.82);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--rule);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.nav__brand .mark {
  width: 24px; height: 24px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--ink), var(--steel));
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--bg);
}
.nav__brand .dot { color: var(--steel); font-weight: 400; margin-left: 1px; }

.nav__links {
  display: flex;
  gap: 4px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.nav__links a {
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav__links a:hover { color: var(--ink); background: rgba(28, 28, 30, 0.04); }
.nav__links a.is-active {
  color: var(--ink);
  background: rgba(28, 28, 30, 0.06);
}

.nav__cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px 9px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav__cta:hover { background: var(--steel-deep); transform: translateY(-1px); }
.nav__cta::after { content: "→"; font-family: var(--mono); font-size: 13px; }

@media (max-width: 900px) {
  .nav { grid-template-columns: auto 1fr auto; gap: 12px; padding: 14px 20px; }
  .nav__links { justify-self: start; overflow-x: auto; max-width: 40vw; }
  .nav__links a { padding: 6px 10px; font-size: 11px; }
  .nav__cta { padding: 8px 14px; font-size: 12px; }
}
@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav { grid-template-columns: 1fr auto; }
}

/* ─────────────────────────────────────────── */
/* COMMON                                      */
/* ─────────────────────────────────────────── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(56px, 7vw, 112px) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.section--alt {
  background: var(--bg-2);
  max-width: none;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section--alt > .inner { max-width: var(--max); margin: 0 auto; position: relative; }

/* Tick mark divider (engineering feel) */
.ticks {
  position: relative;
  height: 1px;
  background: var(--rule);
  margin: 0;
}
.ticks::before,
.ticks::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 8px;
  background: var(--rule-strong);
  top: -3px;
}
.ticks::before { left: 0; }
.ticks::after { right: 0; }
.ticks--full {
  background-image:
    linear-gradient(90deg, var(--rule-strong) 1px, transparent 1px);
  background-size: 40px 1px;
  height: 8px;
  border-top: 1px solid var(--rule);
  margin-top: -1px;
  opacity: 0.4;
}

/* Kicker label */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}
.kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--steel);
}
.kicker::after {
  content: "├───┤";
  font-size: 10px;
  letter-spacing: -0.05em;
  color: var(--ink-faint);
  margin-left: 4px;
}
.kicker--plain::after { display: none; }

/* Section title */
.sec-title {
  margin: 18px 0 0;
  font-weight: 600;
  font-size: clamp(36px, 4.8vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.sec-title em {
  font-style: normal;
  color: var(--steel);
  font-weight: 500;
}
.sec-lede {
  margin-top: 22px;
  max-width: 56ch;
  color: var(--ink-mute);
  font-size: 17px;
  line-height: 1.65;
}

.sec-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}
.sec-head__meta {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
}
.sec-head__meta .steel { color: var(--steel); }
@media (max-width: 720px) {
  .sec-head { grid-template-columns: 1fr; }
  .sec-head__meta { text-align: left; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
  cursor: pointer;
}
.btn::after { content: "→"; font-family: var(--mono); font-size: 13px; }
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover { background: var(--steel-deep); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule-strong);
}
.btn--ghost:hover { border-color: var(--ink); }
.btn--text {
  padding: 6px 0;
  border-radius: 0;
  color: var(--steel);
  background: transparent;
  border-bottom: 1px solid var(--steel);
}
.btn--text:hover { color: var(--steel-deep); border-color: var(--steel-deep); }

/* ─────────────────────────────────────────── */
/* HERO                                        */
/* ─────────────────────────────────────────── */
.hero {
  padding: 130px var(--gutter) 56px;
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px 6px 6px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: var(--bg-card);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 40px;
}
.hero__eyebrow .pill {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--steel);
  color: var(--bg);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 72px;
  align-items: start;
}
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; gap: 48px; } }

.hero__title {
  font-weight: 600;
  font-size: clamp(48px, 7vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0;
  color: var(--ink);
}
.hero__title em {
  font-style: normal;
  color: var(--steel);
  font-weight: 500;
}
.hero__sub {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.hero__sub::before {
  content: "";
  width: 20px; height: 1px;
  background: var(--steel);
}
.hero__lede {
  margin: 32px 0 40px;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 52ch;
}
.hero__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero spec card (right side) */
.spec-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 28px 28px 24px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 20px 40px -20px rgba(28, 28, 30, 0.1);
}
.spec-card::before {
  content: "";
  position: absolute;
  top: -1px; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--steel-soft), transparent);
}
.spec-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 20px;
}
.spec-card__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.spec-card__title::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--steel);
  box-shadow: 0 0 0 3px rgba(74, 107, 138, 0.2);
}
.spec-card__meta {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.spec-rows { display: grid; gap: 4px; }
.spec-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px dashed var(--rule);
  align-items: baseline;
}
.spec-row:last-child { border-bottom: 0; }
.spec-row .k {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.spec-row .k .tol {
  font-size: 10px;
  color: var(--ink-faint);
  margin-left: 8px;
  letter-spacing: 0;
  text-transform: none;
}
.spec-row .v {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.spec-row .v sup { font-size: 0.6em; color: var(--steel); }
.spec-row .v .u {
  font-size: 0.7em;
  color: var(--ink-mute);
  margin-left: 4px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.spec-card__foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.spec-card__foot .steel { color: var(--steel); }

/* Hero full-bleed illustration (loaded from external SVG) */
.hero-bg-illustration {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-bg-illustration img {
  position: absolute;
  right: -6%;
  top: 50%;
  transform: translateY(-46%);
  width: 82%;
  max-width: 1100px;
  height: auto;
  opacity: 0.13;
  filter: contrast(1.02);
}
@media (max-width: 1100px) {
  .hero-bg-illustration img { width: 90%; right: -14%; opacity: 0.11; }
}
@media (max-width: 720px) {
  .hero-bg-illustration img { width: 140%; right: -40%; opacity: 0.06; }
}
.hero > *:not(.hero-bg-illustration) { position: relative; z-index: 1; }

/* Gauge symbol in spec card */
.spec-card__gauge {
  width: 44px;
  height: 22px;
  opacity: 0.8;
}
.spec-card__gauge svg { width: 100%; height: 100%; display: block; }

/* ─────────────────────────────────────────── */
/* TRUST STATS (4 figure band)                 */
/* ─────────────────────────────────────────── */
.trust-stats {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.trust-stats__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  position: relative;
}
.trust-stats__inner > div {
  padding: 36px 28px;
  border-right: 1px solid var(--rule);
  position: relative;
  display: grid;
  gap: 10px;
}
.trust-stats__inner > div::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -0.5px;
  width: 12px;
  height: 8px;
  border-left: 1px solid var(--steel);
  border-top: 1px solid var(--steel);
}
.trust-stats__inner > div:last-child { border-right: 0; }
@media (max-width: 860px) {
  .trust-stats__inner { grid-template-columns: 1fr 1fr; }
  .trust-stats__inner > div:nth-child(2n) { border-right: 0; }
  .trust-stats__inner > div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}
.trust-stats .k {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}
.trust-stats .v {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}
.trust-stats .v sup { font-size: 0.55em; color: var(--steel); }
.trust-stats .v .u {
  font-family: var(--mono);
  font-size: 0.4em;
  color: var(--ink-mute);
  margin-left: 4px;
  letter-spacing: 0.02em;
  font-weight: 500;
}
.trust-stats .dim {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}
.trust-stats .dim::before {
  content: "├";
  color: var(--steel);
  margin-right: 6px;
}
.trust-stats .dim::after {
  content: "┤";
  color: var(--steel);
  margin-left: 6px;
}

/* ─────────────────────────────────────────── */
/* TRUST BAR                                   */
/* ─────────────────────────────────────────── */
.trust-bar {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px var(--gutter) 56px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}
.trust-bar__label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.trust-bar__label .steel { color: var(--steel); }
.trust-bar__logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  align-items: center;
}
.trust-bar__logos > div {
  height: 40px;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--ink-faint);
  transition: color 0.25s var(--ease);
}
.trust-bar__logos > div:hover { color: var(--ink); }
@media (max-width: 900px) {
  .trust-bar { grid-template-columns: 1fr; gap: 20px; }
  .trust-bar__logos { grid-template-columns: repeat(3, 1fr); }
}

/* ─────────────────────────────────────────── */
/* INDUSTRIES                                  */
/* ─────────────────────────────────────────── */
.industries {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}
@media (max-width: 1100px) { .industries { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .industries { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .industries { grid-template-columns: 1fr; } }
.industry {
  background: var(--bg-card);
  padding: 32px 24px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: background 0.3s var(--ease);
  position: relative;
}
.industry:hover { background: var(--bg); }
.industry:hover .industry__icon { border-color: var(--steel); color: var(--steel); }
.industry__icon {
  width: 52px; height: 52px;
  border-radius: 10px;
  border: 1px solid var(--rule-strong);
  display: grid;
  place-items: center;
  color: var(--steel);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), transform 0.4s var(--ease);
  padding: 8px;
}
.industry__icon svg { width: 100%; height: 100%; display: block; stroke: currentColor; fill: none; }
.industry:hover .industry__icon { transform: rotate(15deg); }
.industry__name {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.industry__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-mute);
}
.industry__tag {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
}

/* ─────────────────────────────────────────── */
/* PROCESS CARDS                               */
/* ─────────────────────────────────────────── */
.processes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .processes { grid-template-columns: 1fr; } }
.process {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 32px 28px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.process:hover {
  transform: translateY(-3px);
  border-color: var(--steel);
}
.process__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.process__num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--steel);
  line-height: 1;
}
.process__id {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.process h3 {
  margin: 0 0 12px;
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.process h3 em { font-style: normal; color: var(--steel); font-weight: 500; }
.process p {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mute);
}
.process__specs {
  display: grid;
  gap: 6px;
  border-top: 1px dashed var(--rule);
  padding-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
}
.process__specs .row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}
.process__specs .k {
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 10px;
}
.process__specs .v { color: var(--ink); }
.process__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease);
  width: fit-content;
}
.process__link:hover { border-color: var(--steel); }

/* ─────────────────────────────────────────── */
/* SPEC BAND (Key figures)                     */
/* ─────────────────────────────────────────── */
.spec-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}
@media (max-width: 860px) { .spec-band { grid-template-columns: 1fr 1fr; } }
.spec-band > div {
  background: var(--bg-card);
  padding: 36px 28px;
}
.spec-band .k {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 18px;
}
.spec-band .k .steel { color: var(--steel); }
.spec-band .v {
  font-weight: 600;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.spec-band .v sup { font-size: 0.55em; color: var(--steel); }
.spec-band .v .u {
  font-family: var(--mono);
  font-size: 0.32em;
  color: var(--ink-mute);
  margin-left: 6px;
  letter-spacing: 0.04em;
  font-weight: 500;
  vertical-align: middle;
}
.spec-band__dim {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.spec-band__dim::before {
  content: "├";
  color: var(--steel);
  font-size: 14px;
  letter-spacing: 0;
}
.spec-band__dim::after {
  content: "┤";
  color: var(--steel);
  font-size: 14px;
  letter-spacing: 0;
}
.spec-band__dim span { flex: 1; text-align: center; }

/* ─────────────────────────────────────────── */
/* GRID CELLS (logos / certs)                  */
/* ─────────────────────────────────────────── */
.grid-cells {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.grid-cells > div {
  aspect-ratio: 3/2;
  background: var(--bg-card);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  transition: background 0.3s var(--ease);
}
.grid-cells > div:hover { background: var(--bg); }
.grid-cells > div strong {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  letter-spacing: -0.01em;
  text-transform: none;
}
@media (max-width: 860px) { .grid-cells { grid-template-columns: repeat(3, 1fr); } }

/* ─────────────────────────────────────────── */
/* CTA BAND                                    */
/* ─────────────────────────────────────────── */
.cta {
  margin: clamp(80px, 10vw, 140px) var(--gutter);
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  padding: clamp(48px, 6vw, 80px);
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--r-lg);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 48px;
  align-items: center;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 90% 50%, rgba(74, 107, 138, 0.3), transparent 60%);
  pointer-events: none;
}
.cta::after {
  content: "";
  position: absolute;
  top: 0; left: 32px; right: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--steel-soft), transparent);
}
.cta > * { position: relative; z-index: 1; }
@media (max-width: 820px) { .cta { grid-template-columns: 1fr; } }

.cta__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel-soft);
  margin-bottom: 20px;
}
.cta__kicker::before {
  content: "";
  width: 20px; height: 1px;
  background: var(--steel-soft);
}
.cta h2 {
  margin: 0;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  max-width: 20ch;
}
.cta h2 em { font-style: normal; color: var(--steel-soft); font-weight: 500; }
.cta p {
  margin: 18px 0 0;
  color: rgba(247, 247, 245, 0.7);
  font-size: 15px;
  line-height: 1.6;
  max-width: 42ch;
}
.cta__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta .btn--primary {
  background: var(--bg);
  color: var(--ink);
}
.cta .btn--primary:hover { background: var(--steel-soft); color: var(--bg); }
.cta .btn--ghost {
  color: var(--bg);
  border-color: rgba(247, 247, 245, 0.28);
}
.cta .btn--ghost:hover { border-color: var(--bg); }

/* ─────────────────────────────────────────── */
/* FOOTER                                      */
/* ─────────────────────────────────────────── */
.foot {
  border-top: 1px solid var(--rule);
  padding: 72px var(--gutter) 36px;
  background: var(--bg);
}
.foot__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 860px) { .foot__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot__inner { grid-template-columns: 1fr; } }
.foot h5 {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.foot p, .foot li {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot a:hover { color: var(--steel); }
.foot__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.foot__brand .mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--ink), var(--steel));
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--bg);
}
.foot__bottom {
  max-width: var(--max);
  margin: 64px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.foot__bottom .steel { color: var(--steel); }

/* ─────────────────────────────────────────── */
/* PAGE HEAD                                   */
/* ─────────────────────────────────────────── */
.pagehead {
  padding: 150px var(--gutter) 64px;
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.pagehead__meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.pagehead__meta .steel { color: var(--steel); }
.pagehead__title {
  margin: 48px 0 0;
  font-weight: 600;
  font-size: clamp(48px, 7.5vw, 120px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.pagehead__title em { font-style: normal; color: var(--steel); font-weight: 500; }
.pagehead__lede {
  margin-top: 28px;
  max-width: 54ch;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ─────────────────────────────────────────── */
/* TWO COLUMN ARTICLE                          */
/* ─────────────────────────────────────────── */
.article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
}
.article:first-of-type { border-top: 1px solid var(--rule); }
.article__tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}
.article__tag .num {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
  text-transform: none;
}
.article__body h3 {
  margin: 0 0 16px;
  font-weight: 600;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.article__body h3 em { font-style: normal; color: var(--steel); font-weight: 500; }
.article__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 60ch;
}
.article__body p + p { margin-top: 14px; }
@media (max-width: 720px) {
  .article { grid-template-columns: 1fr; gap: 24px; padding: 36px 0; }
}

/* ─────────────────────────────────────────── */
/* EQUIPMENT RACK                              */
/* ─────────────────────────────────────────── */
.rack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 860px) { .rack { grid-template-columns: 1fr; } }
.rack__cell {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 32px 28px 28px;
  display: grid;
  gap: 16px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.rack__cell:hover { border-color: var(--steel); transform: translateY(-2px); }
.rack__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.rack__id {
  font-weight: 600;
  font-size: 48px;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}
.rack__id em { font-style: normal; color: var(--steel); font-weight: 500; }
.rack__status {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(74, 107, 138, 0.1);
  color: var(--steel);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.rack__status.new {
  background: rgba(28, 28, 30, 0.08);
  color: var(--ink);
}
.rack__title {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.rack__rows {
  display: grid;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-family: var(--mono);
  font-size: 12px;
}
.rack__rows .row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px;
  align-items: baseline;
}
.rack__rows .k {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.rack__rows .v { color: var(--ink); }

/* ─────────────────────────────────────────── */
/* TIMELINE                                    */
/* ─────────────────────────────────────────── */
.timeline {
  border-top: 1px solid var(--rule);
}
.tl-row {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: background 0.3s var(--ease);
}
.tl-row:hover { background: var(--bg-2); }
.tl-row .year {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--steel);
}
.tl-row .year::before {
  content: "├";
  margin-right: 10px;
  color: var(--ink-faint);
  font-weight: 400;
}
.tl-row h4 {
  margin: 0;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.tl-row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mute);
}
@media (max-width: 720px) {
  .tl-row { grid-template-columns: 100px 1fr; }
  .tl-row p { grid-column: 1 / -1; }
}

/* ─────────────────────────────────────────── */
/* LOG                                         */
/* ─────────────────────────────────────────── */
.log {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.log__row {
  display: grid;
  grid-template-columns: 110px 140px 1fr 110px;
  gap: 18px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  font-family: var(--mono);
  font-size: 12px;
}
.log__row:last-child { border-bottom: 0; }
.log__row:nth-child(odd) { background: rgba(74, 107, 138, 0.025); }
.log__row .time { color: var(--ink-faint); letter-spacing: 0.08em; }
.log__row .code { color: var(--steel); letter-spacing: 0.18em; text-transform: uppercase; }
.log__row .msg { font-family: var(--sans); font-size: 14px; color: var(--ink); }
.log__row .level {
  text-align: right;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}
@media (max-width: 720px) {
  .log__row { grid-template-columns: 1fr 1fr; gap: 6px; }
  .log__row .msg { grid-column: 1 / -1; }
  .log__row .level { text-align: left; }
}

/* ─────────────────────────────────────────── */
/* FORM                                        */
/* ─────────────────────────────────────────── */
.form {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 32px;
  display: grid;
  gap: 18px;
}
.form label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.form label::before {
  content: "├ ";
  color: var(--steel);
}
.form input, .form textarea, .form select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 0;
  border-color: var(--steel);
  background: var(--bg-card);
}
.form textarea { min-height: 130px; resize: vertical; }
.form .submit {
  justify-self: start;
  margin-top: 4px;
}

/* ─────────────────────────────────────────── */
/* CONTACT DIRECT CARDS                        */
/* ─────────────────────────────────────────── */
.channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  overflow: hidden;
}
@media (max-width: 860px) { .channels { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .channels { grid-template-columns: 1fr; } }
.channel {
  background: var(--bg-card);
  padding: 28px 24px;
  display: grid;
  gap: 10px;
  align-content: start;
  transition: background 0.3s var(--ease);
}
.channel:hover { background: var(--bg-2); }
.channel__k {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  justify-content: space-between;
}
.channel__k .steel { color: var(--steel); }
.channel__v {
  font-weight: 600;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  word-break: break-word;
}
.channel__v a:hover { color: var(--steel); }
.channel__note {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-size: 12px;
  color: var(--ink-mute);
}

/* ─────────────────────────────────────────── */
/* Placeholder (precision card)                */
/* ─────────────────────────────────────────── */
.ph {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  aspect-ratio: 16/9;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  position: relative;
  overflow: hidden;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px dashed var(--rule-strong);
  border-radius: 8px;
  pointer-events: none;
}
.ph__head, .ph__foot {
  display: flex;
  justify-content: space-between;
  z-index: 1;
}
.ph__head .id { color: var(--steel); }
.ph__body {
  z-index: 1;
  align-self: center;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--ink);
  text-align: center;
}
.ph--sq { aspect-ratio: 1/1; }
.ph--tall { aspect-ratio: 3/4; }

/* ─────────────────────────────────────────── */
/* TESTIMONIALS                                */
/* ─────────────────────────────────────────── */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .testimonials { grid-template-columns: 1fr; } }
.testimonial {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 32px 28px 28px 36px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.testimonial:hover {
  border-color: var(--steel);
  transform: translateY(-2px);
}
.testimonial::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 0;
  bottom: 24px;
  width: 2px;
  background: var(--steel);
  border-radius: 0 2px 2px 0;
}
.testimonial::after {
  content: "“";
  position: absolute;
  top: 4px;
  right: 20px;
  font-family: "Noto Serif KR", Georgia, serif;
  font-size: 80px;
  line-height: 1;
  color: var(--steel);
  opacity: 0.1;
  pointer-events: none;
}
.testimonial__tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
}
.testimonial__tag::before {
  content: "├";
  color: var(--ink-faint);
  margin-right: 6px;
}
.testimonial__quote {
  margin: 0 0 20px;
  font-weight: 500;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.testimonial__cite {
  display: block;
  padding-top: 18px;
  border-top: 1px dashed var(--rule);
  font-size: 13px;
  color: var(--ink-mute);
  font-style: normal;
}
.testimonial__cite .role {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 2px;
}
.testimonials__note {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ─────────────────────────────────────────── */
/* HERITAGE TIMELINE                           */
/* ─────────────────────────────────────────── */
.heritage {
  position: relative;
  padding-left: 48px;
}
.heritage::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 12px;
  width: 1px;
  background: var(--rule-strong);
}
@media (max-width: 720px) {
  .heritage { padding-left: 32px; }
  .heritage::before { left: 8px; }
}
.heritage__row {
  position: relative;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 20px 0 28px;
  align-items: baseline;
}
.heritage__row::before {
  content: "";
  position: absolute;
  left: -42px;
  top: 28px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--steel);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.heritage__row:hover::before { background: var(--steel); transform: scale(1.2); }
@media (max-width: 720px) {
  .heritage__row { grid-template-columns: 1fr; gap: 4px; }
  .heritage__row::before { left: -26px; top: 24px; }
}
.heritage__year {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--steel);
  line-height: 1;
}
.heritage__body h4 {
  margin: 0 0 6px;
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.heritage__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mute);
  max-width: 48ch;
}

/* ─────────────────────────────────────────── */
/* INDUSTRY CARDS (Business page large)        */
/* ─────────────────────────────────────────── */
.industry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .industry-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .industry-cards { grid-template-columns: 1fr; } }
.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 28px 24px 24px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.industry-card:hover {
  border-color: var(--steel);
  transform: translateY(-3px);
}
.industry-card:hover .industry-card__icon { color: var(--steel-deep); transform: rotate(10deg); }
.industry-card__icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  border: 1px solid var(--rule);
  display: grid;
  place-items: center;
  padding: 10px;
  color: var(--steel);
  transition: color 0.3s var(--ease), transform 0.4s var(--ease);
}
.industry-card__icon svg { width: 100%; height: 100%; display: block; stroke: currentColor; fill: none; }
.industry-card__name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.industry-card__name .ko {
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.industry-card__name .en {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.industry-card__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-mute);
}
.industry-card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  transition: color 0.2s var(--ease);
}
.industry-card__link::after { content: "→"; }
.industry-card__link:hover { color: var(--steel-deep); }

/* ─────────────────────────────────────────── */
/* INDUSTRY DETAIL PAGE COMPONENTS             */
/* ─────────────────────────────────────────── */

/* Breadcrumb */
.breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 104px var(--gutter) 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.breadcrumb a { color: var(--ink-mute); transition: color 0.2s var(--ease); }
.breadcrumb a:hover { color: var(--steel); }
.breadcrumb .sep {
  display: inline-block;
  margin: 0 10px;
  color: var(--ink-faint);
}
.breadcrumb .current { color: var(--ink); }

/* Industry hero */
.ind-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px var(--gutter) 56px;
  position: relative;
  overflow: hidden;
}
.ind-hero__bg {
  position: absolute;
  right: -6%;
  top: 30px;
  width: 58%;
  max-width: 720px;
  opacity: 0.09;
  pointer-events: none;
  z-index: 0;
}
.ind-hero__bg svg { width: 100%; height: auto; display: block; stroke: var(--steel); fill: none; }
@media (max-width: 900px) { .ind-hero__bg { opacity: 0.05; width: 85%; right: -20%; } }
.ind-hero__grid {
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) { .ind-hero__grid { grid-template-columns: 1fr; } }
.ind-hero__meta {
  display: flex;
  justify-content: space-between;
  padding: 10px 0 20px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.ind-hero__meta .steel { color: var(--steel); }
.ind-hero__title {
  margin: 28px 0 0;
  font-weight: 600;
  font-size: clamp(44px, 6.8vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.ind-hero__title em {
  font-style: normal;
  font-weight: 500;
  color: var(--steel);
}
.ind-hero__title .en {
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.32em;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  margin-top: 10px;
}
.ind-hero__sub {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 44ch;
}
.ind-hero__ctas {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ind-hero__icon {
  width: 180px;
  height: 180px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  background: var(--bg-card);
  display: grid;
  place-items: center;
  padding: 36px;
  color: var(--steel);
  position: relative;
}
.ind-hero__icon::before {
  content: "";
  position: absolute;
  top: -1px; left: 20px; right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--steel), transparent);
}
.ind-hero__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; }
@media (max-width: 900px) {
  .ind-hero__icon { width: 140px; height: 140px; padding: 28px; justify-self: start; }
}

/* Industry switcher (6 tabs) */
.ind-nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.ind-nav__inner {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.ind-nav a {
  padding: 20px 16px;
  border-right: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: grid;
  gap: 4px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.ind-nav a:last-child { border-right: 0; }
.ind-nav a .ko { color: var(--ink); font-family: var(--sans); font-size: 14px; letter-spacing: -0.01em; text-transform: none; font-weight: 600; }
.ind-nav a:hover { background: var(--bg-2); color: var(--steel); }
.ind-nav a.is-active { background: var(--ink); color: var(--bg); }
.ind-nav a.is-active .ko { color: var(--bg); }
@media (max-width: 900px) {
  .ind-nav__inner { grid-template-columns: repeat(3, 1fr); }
  .ind-nav a:nth-child(3n) { border-right: 0; }
  .ind-nav a:nth-child(-n+3) { border-bottom: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .ind-nav__inner { grid-template-columns: repeat(2, 1fr); }
  .ind-nav a { border-right: 1px solid var(--rule); }
  .ind-nav a:nth-child(2n) { border-right: 0; }
  .ind-nav a:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .ind-nav a:nth-child(-n+3) { border-bottom: 0; }
}

/* Challenges — 2x2 cards */
.challenges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 720px) { .challenges { grid-template-columns: 1fr; } }
.challenge {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 28px 28px 24px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
  position: relative;
}
.challenge:hover {
  border-color: var(--steel);
  transform: translateY(-2px);
}
.challenge__num {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}
.challenge__num::before { content: "├ "; color: var(--ink-faint); }
.challenge h3 {
  margin: 0;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
}
.challenge h3 em { font-style: normal; color: var(--steel); font-weight: 500; }
.challenge h3 .en {
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.55em;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  margin-top: 6px;
  text-transform: uppercase;
}
.challenge p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-mute);
}

/* Application tags */
.app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.app-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--bg-card);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.app-tag:hover { border-color: var(--steel); background: var(--bg-2); }
.app-tag::before {
  content: "·";
  color: var(--steel);
  font-weight: 700;
}

/* Material tags — subtle variant */
.mat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mat-tag {
  padding: 7px 13px;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: var(--bg);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.mat-tag:hover { border-color: var(--steel); color: var(--ink); }

/* Standards tags — with left accent */
.std-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.std-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--rule-strong);
  background: var(--bg-card);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  position: relative;
}
.std-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  background: var(--steel);
}

/* Industry processes — small card variant */
.ind-proc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .ind-proc-grid { grid-template-columns: 1fr; } }
.ind-proc {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: grid;
  gap: 14px;
  align-content: start;
  transition: border-color 0.3s var(--ease);
}
.ind-proc:hover { border-color: var(--steel); }
.ind-proc__code {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}
.ind-proc__name {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1.25;
}
.ind-proc__specs {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
  font-family: var(--mono);
  font-size: 12px;
}
.ind-proc__specs .row {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
}
.ind-proc__specs .k {
  color: var(--ink-mute);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.ind-proc__specs .v { color: var(--ink); }
.ind-proc__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}
.ind-proc__link::after { content: "→"; }
.ind-proc__link:hover { color: var(--steel-deep); }

/* ─────────────────────────────────────────── */
/* CTA BACKGROUND (jet engine SVG)             */
/* ─────────────────────────────────────────── */
.cta__deco {
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 380px;
  height: 380px;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
  color: var(--bg);
}
.cta__deco svg { width: 100%; height: 100%; display: block; stroke: currentColor; fill: none; }
@media (max-width: 820px) {
  .cta__deco { width: 240px; height: 240px; right: -50px; bottom: -50px; }
}