/* ============================================================
   VAIL CONSTRUCTION — base + 3 style themes
   themes: [data-style="corporate" | "industrial" | "editorial"]
   accent: [data-accent="navy" | "black" | "forest" | "rust"]
   ============================================================ */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&family=Newsreader:ital,opsz,wght@0,16..72,400;0,16..72,500;1,16..72,400&display=swap');

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

:root {
  --sans: "Pretendard Variable", Pretendard, -apple-system, system-ui, sans-serif;
  --display: "Archivo", var(--sans);
  --serif: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --maxw: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --accent: #1e3a5f;
  --accent-2: #2c5688;
  --photo1: url("assets/work/photo-1.jpg");
}

/* ---- accent options ---- */
[data-accent="navy"]   { --accent: #1e3a5f; --accent-2: #2c5688; }
[data-accent="black"]  { --accent: #1c1c1c; --accent-2: #3a3a3a; }
[data-accent="forest"] { --accent: #2f3f30; --accent-2: #475e48; }
[data-accent="rust"]   { --accent: #9c4a20; --accent-2: #b8531f; }

/* ============================================================
   THEME A — CORPORATE (light, structured, trustworthy)
   ============================================================ */
[data-style="corporate"] {
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --surface: #ffffff;
  --ink: #16191d;
  --ink-soft: #5b636d;
  --ink-faint: #9aa1aa;
  --line: #e3e6ea;
  --line-strong: #cdd2d8;
  --accent-ink: #ffffff;
  --head-font: var(--sans);
  --num-font: var(--sans);
  --radius: 10px;
  --hero-bg: var(--accent);
  --hero-ink: #ffffff;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
}

/* ============================================================
   THEME B — INDUSTRIAL (dark, technical, bold)
   ============================================================ */
[data-style="industrial"] {
  --bg: #14171a;
  --bg-alt: #1b1f24;
  --surface: #1d2228;
  --ink: #f1f3f5;
  --ink-soft: #aab2bb;
  --ink-faint: #6c757e;
  --line: #2c333a;
  --line-strong: #3c454e;
  --accent-ink: #ffffff;
  --head-font: var(--display);
  --num-font: var(--mono);
  --radius: 2px;
  --hero-bg: #14171a;
  --hero-ink: #f1f3f5;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
}

/* ============================================================
   THEME C — EDITORIAL (warm, airy, refined)
   ============================================================ */
[data-style="editorial"] {
  --bg: #f7f5f0;
  --bg-alt: #efece4;
  --surface: #fdfcfa;
  --ink: #221f1a;
  --ink-soft: #6a6256;
  --ink-faint: #a59c8c;
  --line: #e2ddd2;
  --line-strong: #cfc8b9;
  --accent-ink: #fdfcfa;
  --head-font: var(--serif);
  --num-font: var(--serif);
  --radius: 0px;
  --hero-bg: var(--bg-alt);
  --hero-ink: var(--ink);
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
}

body { background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
@media (max-width: 720px) { .wrap { padding: 0 20px; } }

/* ---------- shared eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
[data-style="industrial"] .eyebrow { color: var(--ink-soft); }
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  display: inline-block;
}

.section-title {
  font-family: var(--head-font);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}
[data-style="industrial"] .section-title { font-weight: 800; letter-spacing: -0.02em; text-transform: uppercase; }
[data-style="editorial"] .section-title { font-weight: 500; letter-spacing: -0.005em; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  height: 70px; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
@media (max-width: 720px) { .nav-inner { padding: 0 20px; height: 60px; } }
.brand { display: flex; align-items: center; gap: 13px; cursor: pointer; user-select: none; text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--display); font-weight: 800; font-size: 16px;
  border-radius: calc(var(--radius) - 2px);
}
[data-style="industrial"] .brand-mark { border-radius: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-en {
  font-family: var(--display); font-weight: 800; font-size: 16px;
  letter-spacing: .02em; color: var(--ink);
}
.brand-ko { font-size: 11px; color: var(--ink-soft); letter-spacing: .04em; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative;
  appearance: none; border: none; background: none; cursor: pointer;
  font-family: var(--sans); font-size: 15px; font-weight: 600;
  color: var(--ink-soft); padding: 9px 16px; text-decoration: none;
  border-radius: 7px; transition: color .2s, background .2s;
}
[data-style="industrial"] .nav-link { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; border-radius: 0; }
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--accent); }
[data-style="industrial"] .nav-link.active { color: var(--ink); }
.nav-link.active::after { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--hero-bg); color: var(--hero-ink);
  position: relative; overflow: hidden;
}
.hero-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 92px 32px 84px;
  position: relative; z-index: 2;
}
@media (max-width: 720px) { .hero-inner { padding: 60px 20px 56px; } }
.hero-eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: color-mix(in srgb, var(--hero-ink) 70%, transparent);
  display: flex; align-items: center; gap: 12px; margin-bottom: 28px; white-space: nowrap;
}
.hero-eyebrow::before { content: ""; width: 30px; height: 1px; background: currentColor; }
.hero h1 {
  font-family: var(--head-font);
  font-weight: 800; font-size: clamp(38px, 6.2vw, 76px); line-height: 1.02;
  letter-spacing: -0.02em; max-width: 16ch;
}
[data-style="editorial"] .hero h1 { font-weight: 500; letter-spacing: -0.01em; }
[data-style="industrial"] .hero h1 { text-transform: uppercase; }
.hero-sub {
  margin-top: 26px; font-size: clamp(15px, 1.6vw, 19px);
  color: color-mix(in srgb, var(--hero-ink) 80%, transparent);
  max-width: 46ch; line-height: 1.6;
}
.hero-en {
  margin-top: 10px; font-family: var(--mono); font-size: 13px; letter-spacing: .04em;
  color: color-mix(in srgb, var(--hero-ink) 60%, transparent);
}
.hero-actions { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  appearance: none; cursor: pointer; border: none;
  font-family: var(--sans); font-weight: 600; font-size: 15px;
  padding: 13px 24px; border-radius: var(--radius);
  display: inline-flex; align-items: center; gap: 9px;
  transition: transform .15s var(--ease), background .2s, color .2s, border-color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost {
  background: transparent; color: var(--hero-ink);
  border: 1px solid color-mix(in srgb, var(--hero-ink) 35%, transparent);
}
.btn-ghost:hover { border-color: var(--hero-ink); }
[data-style="industrial"] .btn { border-radius: 0; font-family: var(--mono); text-transform: uppercase; font-size: 13px; letter-spacing: .05em; }

/* hero decorative grid for industrial */
.hero-grid {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0;
}
[data-style="industrial"] .hero-grid {
  opacity: 1;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 80% 10%, #000 30%, transparent 75%);
}
.hero-photo {
  position: absolute; right: 0; top: 0; bottom: 0; width: 42%;
  background-size: cover; background-position: center; z-index: 1; opacity: 0;
}
@media (max-width: 900px) { .hero-photo { display: none; } }
[data-style="corporate"] .hero-photo {
  opacity: 1;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 38%);
  mask-image: linear-gradient(90deg, transparent, #000 38%);
}
[data-style="corporate"] .hero-photo::after { content: ""; position: absolute; inset: 0; background: color-mix(in srgb, var(--accent) 30%, transparent); }
[data-style="editorial"] .hero-photo {
  opacity: 1; width: 38%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 55%);
  mask-image: linear-gradient(90deg, transparent, #000 55%);
}
[data-style="industrial"] .hero-photo {
  opacity: 1; width: 46%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 45%);
  mask-image: linear-gradient(90deg, transparent, #000 45%);
}
[data-style="industrial"] .hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 35%, transparent) 60%, transparent 100%); }

/* hero stat strip */
.hero-stats {
  border-top: 1px solid color-mix(in srgb, var(--hero-ink) 18%, transparent);
  margin-top: 56px; padding-top: 28px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 560px;
}
.hero-stat .num {
  font-family: var(--num-font); font-weight: 700; font-size: 34px; line-height: 1;
  color: var(--hero-ink);
}
.hero-stat .num span { font-size: 16px; font-weight: 500; margin-left: 3px; color: color-mix(in srgb, var(--hero-ink) 65%, transparent); }
.hero-stat .lbl { margin-top: 8px; font-size: 13px; color: color-mix(in srgb, var(--hero-ink) 70%, transparent); }
.hero-stat .lbl-en { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: color-mix(in srgb, var(--hero-ink) 45%, transparent); margin-top: 2px; }

/* ============================================================
   SECTION scaffolding
   ============================================================ */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); }
@media (max-width: 720px) { .section { padding: 56px 0; } }
.section-head { margin-bottom: 48px; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 { font-size: clamp(28px, 3.6vw, 44px); }
.section-head .lead { margin-top: 18px; font-size: 18px; color: var(--ink-soft); line-height: 1.65; }

/* ============================================================
   ABOUT — intro
   ============================================================ */
.about-intro { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .about-intro { grid-template-columns: 1fr; gap: 36px; } }
.intro-lead {
  font-family: var(--head-font); font-weight: 600;
  font-size: clamp(22px, 2.7vw, 30px); line-height: 1.4; letter-spacing: -0.01em;
}
[data-style="editorial"] .intro-lead { font-weight: 500; }
.intro-body { margin-top: 22px; font-size: 16.5px; line-height: 1.8; color: var(--ink-soft); }
.intro-en { margin-top: 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.7; color: var(--ink-faint); border-left: 2px solid var(--line-strong); padding-left: 14px; }

.field-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
.field-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.field-row .k { font-family: var(--head-font); font-weight: 700; font-size: 19px; white-space: nowrap; }
.field-row .v { white-space: nowrap; }
[data-style="industrial"] .field-row .k { text-transform: uppercase; }
.field-row .v { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }

/* ============================================================
   LICENSES
   ============================================================ */
.lic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 820px) { .lic-grid { grid-template-columns: 1fr; } }
.lic-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px 24px;
  position: relative; transition: border-color .2s, transform .2s;
  display: flex; flex-direction: column;
}
.lic-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.lic-idx {
  width: 30px; height: 30px; display: grid; place-items: center;
  border: 1px solid var(--line-strong); border-radius: 50%;
  font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--accent);
  margin-bottom: 22px;
}
[data-style="industrial"] .lic-idx { border-radius: 0; color: var(--ink); }
.lic-name { font-family: var(--head-font); font-weight: 700; font-size: 21px; line-height: 1.25; letter-spacing: -0.01em; }
[data-style="industrial"] .lic-name { text-transform: uppercase; }
.lic-focus { margin-top: 10px; font-size: 14px; color: var(--ink-soft); line-height: 1.5; }
.lic-reg {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.lic-reg .reg-label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); white-space: nowrap; }
.lic-reg .reg-no { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--ink); }

/* ============================================================
   BUSINESS REGISTRATION
   ============================================================ */
.biz-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 44px; align-items: stretch; }
@media (max-width: 860px) { .biz-grid { grid-template-columns: 1fr; gap: 28px; } }
.cert {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  aspect-ratio: 3 / 4; position: relative; overflow: hidden;
  display: grid; place-items: center; min-height: 320px;
}
.cert .ph-stripes { position: absolute; inset: 0; }
.cert .cert-label {
  position: relative; text-align: center; padding: 24px;
}
.cert .cert-label .mono { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); }
.cert .cert-label .big { margin-top: 10px; font-family: var(--head-font); font-weight: 700; font-size: 22px; color: var(--ink-soft); }
.cert .cert-tag {
  position: absolute; top: 14px; left: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  background: var(--accent); color: var(--accent-ink); padding: 5px 9px; border-radius: 3px;
}

.biz-types { display: flex; flex-direction: column; }
.biz-types .types-label { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-size: 14.5px; font-weight: 600; padding: 11px 17px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--surface); color: var(--ink);
}
[data-style="industrial"] .chip { border-radius: 0; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
[data-style="industrial"] .chip { background: transparent; }
.biz-note { margin-top: auto; padding-top: 26px; font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-cell {
  padding: 30px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.contact-cell:nth-child(2n) { border-right: none; }
.contact-cell.full { grid-column: 1 / -1; border-right: none; border-bottom: none; }
.contact-cell .c-label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; }
.contact-cell .c-value { font-size: 19px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.contact-cell .c-value.addr { font-size: 17px; font-weight: 500; line-height: 1.55; }
.contact-cell a.c-value { color: var(--accent); text-decoration: none; }
[data-style="industrial"] .contact-cell a.c-value { color: var(--ink); }
.contact-cell a.c-value:hover { text-decoration: underline; }

/* ============================================================
   WORK — year accordion
   ============================================================ */
.work-meta { display: flex; gap: 28px; flex-wrap: wrap; margin-bottom: 40px; }
.work-meta .wm {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); white-space: nowrap;
}
.work-meta .wm b { display: block; font-family: var(--head-font); font-size: 26px; color: var(--ink); letter-spacing: -0.01em; margin-top: 4px; }

.year-list { border-top: 1px solid var(--line-strong); }
.year-block { border-bottom: 1px solid var(--line-strong); }
.year-head {
  width: 100%; appearance: none; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 22px;
  padding: 26px 4px; text-align: left;
  transition: padding-left .25s var(--ease);
}
.year-head:hover { padding-left: 12px; }
.year-num {
  font-family: var(--num-font); font-weight: 800; font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1; letter-spacing: -0.02em; color: var(--ink);
  transition: color .25s;
}
.year-block.open .year-num { color: var(--accent); }
[data-style="industrial"] .year-block.open .year-num { color: var(--ink); }
.year-count {
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint); flex: 1;
}
.year-toggle {
  width: 40px; height: 40px; flex: none; border-radius: 50%;
  border: 1px solid var(--line-strong); display: grid; place-items: center;
  transition: background .25s, border-color .25s, transform .25s;
  color: var(--ink-soft);
}
[data-style="industrial"] .year-toggle { border-radius: 0; }
.year-block.open .year-toggle { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.year-toggle svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.year-block.open .year-toggle svg { transform: rotate(45deg); }

.year-body {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .4s var(--ease);
}
.year-block.open .year-body { grid-template-rows: 1fr; }
.year-body-inner { overflow: hidden; }
.project-list { padding: 6px 0 36px; display: flex; flex-direction: column; gap: 20px; }

/* project card */
.proj {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  display: grid; grid-template-columns: 1fr 380px; overflow: hidden;
}
@media (max-width: 880px) { .proj { grid-template-columns: 1fr; } }
.proj-info { padding: 30px 32px; display: flex; flex-direction: column; }
.proj-tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
[data-style="industrial"] .proj-tag { color: var(--ink-soft); }
.proj-name {
  font-family: var(--head-font); font-weight: 700; font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.28; letter-spacing: -0.01em; color: var(--ink);
}
.proj-fields { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
@media (max-width: 480px) { .proj-fields { grid-template-columns: 1fr; } }
.proj-field .pf-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.proj-field .pf-value { font-size: 16px; font-weight: 600; color: var(--ink); }
.proj-field.amount .pf-value { font-family: var(--num-font); }
.proj-field .pf-value .unit { font-size: 12px; font-weight: 500; color: var(--ink-soft); margin-left: 3px; }

/* slider */
.slider { position: relative; background: var(--bg-alt); min-height: 280px; overflow: hidden; }
@media (max-width: 880px) { .slider { min-height: 240px; aspect-ratio: 16/10; } }
.slides { position: absolute; inset: 0; display: flex; transition: transform .45s var(--ease); }
.slide { min-width: 100%; height: 100%; position: relative; background-size: cover; background-position: center; }
.slide .ph-stripes { position: absolute; inset: 0; }
.slide-caption {
  position: absolute; left: 14px; bottom: 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  background: color-mix(in srgb, #000 62%, transparent); color: #fff;
  padding: 5px 10px; border-radius: 4px; backdrop-filter: blur(4px);
}
[data-style="industrial"] .slide-caption { border-radius: 0; }
.slider-nav {
  position: absolute; bottom: 14px; right: 14px; display: flex; gap: 7px; z-index: 3;
}
.sld-btn {
  width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
  background: color-mix(in srgb, #fff 88%, transparent); color: #14171a;
  display: grid; place-items: center; transition: background .2s, transform .15s;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
[data-style="industrial"] .sld-btn { border-radius: 0; }
.sld-btn:hover { background: #fff; }
.sld-btn:active { transform: scale(.92); }
.sld-btn svg { width: 16px; height: 16px; }
.slide-dots { position: absolute; top: 14px; left: 14px; display: flex; gap: 6px; z-index: 3; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: color-mix(in srgb, #fff 55%, transparent); transition: background .2s, width .2s; cursor: pointer; }
.dot.active { background: #fff; width: 18px; border-radius: 4px; }
[data-style="industrial"] .dot { border-radius: 0; }

/* striped placeholder */
.ph-stripes {
  background-color: var(--bg-alt);
  background-image: repeating-linear-gradient(45deg,
    color-mix(in srgb, var(--ink) 6%, transparent) 0,
    color-mix(in srgb, var(--ink) 6%, transparent) 1px,
    transparent 1px, transparent 11px);
  display: grid; place-items: center;
}
.ph-stripes .ph-text { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--accent); color: var(--accent-ink); padding: 64px 0 40px; }
[data-style="industrial"] .footer { background: var(--bg-alt); color: var(--ink); border-top: 1px solid var(--line); }
.footer-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: flex-start; }
.footer .f-brand-en { font-family: var(--display); font-weight: 800; font-size: 26px; letter-spacing: .02em; }
.footer .f-brand-ko { margin-top: 6px; font-size: 14px; opacity: .8; }
.footer .f-tagline { margin-top: 16px; font-size: 14px; opacity: .75; max-width: 30ch; line-height: 1.6; }
.footer-contact { font-size: 14px; line-height: 1.9; opacity: .85; text-align: right; }
@media (max-width: 620px) { .footer-contact { text-align: left; } }
.footer-bottom {
  margin-top: 48px; padding-top: 20px;
  border-top: 1px solid color-mix(in srgb, var(--accent-ink) 22%, transparent);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  opacity: .7;
}
[data-style="industrial"] .footer-bottom { border-top-color: var(--line); }

/* ============================================================
   OVERVIEW GRID (회사개요)
   ============================================================ */
.overview-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
@media (max-width: 720px) { .overview-grid { grid-template-columns: 1fr; } }
.ov-cell {
  padding: 24px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.ov-cell:nth-child(2n) { border-right: none; }
.ov-cell:nth-last-child(-n+2) { border-bottom: none; }
@media (max-width: 720px) {
  .ov-cell:nth-child(2n) { border-right: none; }
  .ov-cell:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .ov-cell:last-child { border-bottom: none; }
}
.ov-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px;
}
.ov-value { font-size: 17px; font-weight: 600; color: var(--ink); }

/* ============================================================
   CEO SECTION (대표소개)
   ============================================================ */
.ceo-content { max-width: 800px; }
.ceo-profile { margin-bottom: 28px; }
.ceo-name-area { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; flex-wrap: wrap; }
.ceo-icon { vertical-align: -2px; margin-right: 4px; }
.ceo-name { font-family: var(--head-font); font-weight: 700; font-size: 28px; }
.ceo-title { font-size: 15px; color: var(--ink-soft); }
.ceo-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.ceo-badge {
  font-size: 13px; font-weight: 600; padding: 7px 14px;
  border: 1px solid var(--accent); border-radius: 999px;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent);
}
[data-style="industrial"] .ceo-badge { border-radius: 0; }
.ceo-quote {
  margin: 32px 0; padding: 24px 28px;
  border-left: 3px solid var(--accent); background: var(--surface);
  font-size: 16px; line-height: 1.75; color: var(--ink-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.ceo-timeline { margin-top: 36px; }
.timeline-title {
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 20px;
}

/* ============================================================
   TIMELINE (연혁·경력)
   ============================================================ */
.timeline { position: relative; padding-left: 24px; border-left: 2px solid var(--line-strong); }
.timeline-item { position: relative; padding: 0 0 24px 0; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -31px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
}
.section.alt .timeline-dot { border-color: var(--bg-alt); }
[data-style="industrial"] .timeline-dot { border-radius: 0; }
.timeline-text { display: flex; flex-direction: column; gap: 4px; }
.timeline-period {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent); font-weight: 600;
}
.timeline-desc { font-size: 16px; color: var(--ink); line-height: 1.5; }
.timeline-sub {
  display: block; font-size: 13.5px; color: var(--ink-soft); line-height: 1.55;
  padding-left: 4px;
}

/* ============================================================
   ENGINEER CARDS (기술인력)
   ============================================================ */
.engineer-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 820px) { .engineer-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .engineer-cards { grid-template-columns: 1fr; } }
.eng-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 22px; text-align: center;
  transition: border-color .2s, transform .2s;
  display: flex; flex-direction: column-reverse; gap: 4px; align-items: center;
}
.eng-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.eng-card.eng-special { border-color: var(--accent); }
.eng-card.eng-special .eng-grade { color: var(--accent); }
.eng-grade {
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 12px; font-weight: 600;
}
.eng-count { font-family: var(--num-font); font-weight: 800; font-size: 36px; color: var(--ink); }
.eng-unit { font-size: 14px; font-weight: 500; color: var(--ink-soft); margin-left: 2px; }
.eng-desc { margin-top: 8px; font-size: 13px; color: var(--ink-soft); }

/* ============================================================
   CTA BANNER (대표 강점 — 홈)
   ============================================================ */
.cta-banner {
  background: var(--accent); color: var(--accent-ink); padding: 72px 0;
}
.cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: .15em;
  text-transform: uppercase; opacity: .7; margin-bottom: 14px;
}
.cta-text h3 {
  font-family: var(--head-font); font-weight: 700;
  font-size: clamp(24px, 3.2vw, 34px); line-height: 1.3; letter-spacing: -0.01em;
}
.cta-text p {
  margin-top: 14px; font-size: 16px; opacity: .85; max-width: 48ch; line-height: 1.6;
}
.cta-banner .btn-primary {
  background: var(--accent-ink); color: var(--accent); flex-shrink: 0;
}
.cta-banner .btn-primary:hover {
  background: color-mix(in srgb, var(--accent-ink) 90%, var(--accent));
}

/* ============================================================
   FEATURED GRID (대표 시공실적 — 홈)
   ============================================================ */
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .featured-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .featured-grid { grid-template-columns: 1fr; } }
.featured-card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.featured-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.featured-photo {
  width: 100%; aspect-ratio: 16/10;
  background-size: cover; background-position: center;
}
.featured-info { padding: 20px 22px; }
.featured-name {
  font-family: var(--head-font); font-weight: 700; font-size: 17px;
  line-height: 1.35; color: var(--ink);
}
.featured-client { margin-top: 8px; font-size: 13px; color: var(--ink-soft); }

/* ============================================================
   MAP WRAP (카카오맵)
   ============================================================ */
.map-wrap {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
}
.map-wrap iframe { display: block; width: 100%; min-height: 300px; }

/* ============================================================
   SECTION MORE LINK
   ============================================================ */
.section-more { margin-top: 32px; }
.more-link {
  font-family: var(--mono); font-size: 13px; letter-spacing: .04em;
  color: var(--accent); text-decoration: none; font-weight: 600;
  transition: color .2s;
}
.more-link:hover { color: var(--accent-2); text-decoration: underline; }

/* ============================================================
   HOME CONTACT (연락처 + 지도 2col)
   ============================================================ */
.home-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 860px) { .home-contact { grid-template-columns: 1fr; } }
.home-contact .contact-grid.compact { border-radius: var(--radius); }

/* page transitions */
.page { animation: fadeUp .5s var(--ease) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }