* { box-sizing: border-box; }

:root {
  --ink: #101010;
  --ink-2: #171717;
  --muted: #666;
  --soft: #f5f5f2;
  --paper: #fafafa;
  --line: rgba(16, 16, 16, .14);
  --line-dark: rgba(255, 255, 255, .14);
  --steel: #a7adb0;
  --green: #00c58a;
  --mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  word-break: keep-all;
  line-height: 1.7;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
ul { list-style: none; padding: 0; margin: 0; }

.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  color: #fff;
  transition: background .28s ease, color .28s ease, border-color .28s ease, height .28s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  height: 68px;
  color: var(--ink);
  background: rgba(255,255,255,.94);
  border-bottom-color: rgba(0,0,0,.09);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: currentColor;
  color: #fff;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: -.04em;
}
.site-header:not(.is-scrolled) .brand-mark { background: #fff; color: #111; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 15px; font-weight: 900; letter-spacing: -.06em; }
.brand-copy small { margin-top: 4px; font-family: var(--mono); font-size: 9px; letter-spacing: .18em; opacity: .62; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 700; letter-spacing: -.035em; }
.site-nav a { opacity: .78; transition: opacity .2s ease; }
.site-nav a:hover { opacity: 1; }
.menu-button { display: none; width: 42px; height: 42px; border: 0; background: transparent; }
.menu-button span:not(.sr-only) { display:block; width:24px; height:2px; background:currentColor; margin:7px auto; transition:transform .2s ease; }
.menu-button[aria-expanded="true"] span:not(.sr-only):first-child { transform: translateY(4.5px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:not(.sr-only):nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: #fff;
  overflow: hidden;
  padding: 126px 5vw 72px;
}
.hero-media {
  position: absolute;
  inset: -8%;
  background: url("./images/segye/hero-storefront.webp") center / cover no-repeat;
  will-change: transform;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8,8,8,.78) 0%, rgba(8,8,8,.48) 46%, rgba(8,8,8,.22) 100%),
    linear-gradient(180deg, rgba(8,8,8,.18), rgba(8,8,8,.72));
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px);
  background-size: 42px 42px;
}
.hero-content { position: relative; z-index: 2; max-width: 850px; }
.eyebrow, .section-label, .card-label, .panel-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: rgba(255,255,255,.78); }
.eyebrow span { width: 7px; height: 7px; border-radius: 999px; background: var(--green); }
.hero h1 {
  margin: 28px 0 0;
  max-width: 900px;
  font-size: clamp(3rem, 6vw, 6.25rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.09em;
}
.hero-text { max-width: 690px; margin: 32px 0 0; color: rgba(255,255,255,.84); font-size: clamp(1rem, 1.3vw, 1.16rem); font-weight: 500; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:50px; padding:0 22px; border:1px solid transparent; font-size:14px; font-weight:800; letter-spacing:-.04em; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background:#fff; color:#111; }
.btn-ghost { border-color:rgba(255,255,255,.38); color:#fff; background:rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.btn-outline { border-color: var(--line); color: var(--ink); background: transparent; }
.hero-status {
  position: absolute;
  z-index: 2;
  left: 5vw;
  right: 5vw;
  bottom: 34px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,.22);
  color: #fff;
}
.hero-status div { padding: 20px 24px 0 0; }
.hero-status strong { display: block; font-size: 22px; font-weight: 900; letter-spacing: -.08em; }
.hero-status span { display: block; margin-top: 4px; color: rgba(255,255,255,.68); font-size: 12px; }

.section-pad { padding: 132px 5vw; }
.section-head { max-width: 760px; margin-bottom: 76px; }
.section-head h2, .center-head h2, .care-copy h2, .showroom-card h2, .contact-box h2, .faq-head h2 {
  margin: 18px 0 0;
  font-size: clamp(2.25rem, 4.8vw, 5rem);
  line-height: 1.16;
  letter-spacing: -.085em;
  font-weight: 900;
}
.section-head > p:last-child, .center-head > p, .care-copy > p, .showroom-card > p, .contact-box > p, .faq-head > p { margin: 24px 0 0; max-width: 680px; color: inherit; opacity: .68; }
.center-head { max-width: 820px; margin: 0 auto 58px; text-align: center; }
.section-label { color: #858585; }

.standard { background: var(--ink-2); color: #fff; }
.standard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; max-width: 1120px; }
.standard-card { position:relative; padding: 38px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.035); }
.standard-card.muted { background: rgba(0,0,0,.22); }
.standard-card h3 { margin: 18px 0 0; font-size: 19px; letter-spacing: -.06em; }
.standard-card ul { margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: grid; gap: 14px; }
.standard-card li { position: relative; padding-left: 20px; color: rgba(255,255,255,.76); font-size: 14px; }
.standard-card li::before { content: "○"; position:absolute; left:0; top:0; color:rgba(255,255,255,.38); }
.standard-card .check-list li::before { content:"✓"; color: var(--green); font-weight: 900; }
.corner-label { position:absolute; right:28px; top:0; transform:translateY(-50%); background:#fff; color:#111; padding:5px 11px; font-family:var(--mono); font-size:10px; font-weight:900; letter-spacing:.18em; }

.process { background: #f3f3f0; }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.process-card { background:#fff; border:1px solid rgba(16,16,16,.12); padding: 30px; min-height: 220px; transition:border-color .2s ease, transform .2s ease; }
.process-card:hover { border-color: rgba(16,16,16,.38); transform: translateY(-3px); }
.process-card span { font-family:var(--mono); color:#929292; font-size:11px; font-weight:800; letter-spacing:.12em; }
.process-card h3 { margin: 18px 0 0; font-size: 22px; letter-spacing:-.08em; }
.process-card p { margin: 14px 0 0; color:#666; font-size:14px; }

.solutions { background: var(--paper); }
.tab-list { display:flex; justify-content:center; flex-wrap:wrap; gap: 4px 22px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.tab-list button { border:0; border-bottom:2px solid transparent; background:transparent; padding:16px 8px; cursor:pointer; color:#888; font-size:14px; font-weight:800; letter-spacing:-.04em; }
.tab-list button.is-active { color:#111; border-bottom-color:#111; }
.tab-panels { max-width: 1120px; margin: 0 auto; }
.tab-panel { display:none; grid-template-columns: minmax(0,1.55fr) minmax(280px,.8fr); gap:38px; padding:42px; border:1px solid var(--line); background:#fff; box-shadow: 0 20px 64px rgba(0,0,0,.045); }
.tab-panel.is-active { display:grid; }
.panel-main h3 { margin: 18px 0 0; font-size: 26px; line-height:1.25; letter-spacing:-.08em; }
.panel-main strong { display:block; margin-top: 10px; font-size:14px; color:#555; }
.panel-main p:not(.panel-label) { margin: 26px 0 0; color:#606060; font-size:15px; }
.panel-main ul { margin-top: 28px; padding-top: 22px; border-top:1px solid rgba(16,16,16,.09); display:grid; gap:11px; }
.panel-main li { position:relative; padding-left: 16px; color:#333; font-size:14px; }
.panel-main li::before { content:""; width:5px; height:5px; border-radius:50%; background:#111; position:absolute; left:0; top:.72em; }
.panel-side { background:#f5f5f3; border:1px solid rgba(16,16,16,.06); padding: 30px; display:flex; flex-direction:column; justify-content:space-between; gap:28px; }
.panel-side p, .panel-side span { margin:0; font-family:var(--mono); color:#8a8a8a; font-size:10px; letter-spacing:.18em; font-style:normal; text-transform:uppercase; }
.panel-side strong { font-size:15px; line-height:1.8; letter-spacing:-.045em; }
.panel-side em { font-style:normal; font-size:13px; font-weight:800; line-height:1.7; }

.care { background: var(--ink-2); color:#fff; }
.care-inner { display:grid; grid-template-columns: minmax(0,1.1fr) minmax(320px,.9fr); gap: 8vw; align-items:center; }
.care-copy > p:last-child { max-width: 680px; }
.care-list { display:grid; gap:14px; }
.care-list article { padding: 24px; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); }
.care-list strong { display:block; color:var(--green); font-size:15px; }
.care-list span { display:block; margin-top:8px; color:rgba(255,255,255,.72); font-size:14px; }

.showroom { display:grid; grid-template-columns: minmax(0,1.1fr) minmax(360px,.9fr); gap: 5vw; align-items:center; background:#fff; }
.showroom-image { aspect-ratio: 4/3; overflow:hidden; border:1px solid var(--line); box-shadow: 0 26px 80px rgba(0,0,0,.10); }
.showroom-card { max-width: 640px; }
.showroom-card p { color:#626262; }
.showroom-card address { margin-top: 34px; font-style: normal; border-top:1px solid var(--line); }
.showroom-card address div { display:grid; grid-template-columns: 92px 1fr; gap:18px; padding:15px 0; border-bottom:1px solid rgba(16,16,16,.09); }
.showroom-card address span { color:#8a8a8a; font-size:13px; }
.showroom-card address strong { font-size:14px; font-weight:700; }
.showroom-links { display:flex; flex-wrap:wrap; gap:10px; margin-top:30px; }
.showroom-links a { padding:12px 17px; border:1px solid var(--line); font-size:13px; font-weight:800; }
.showroom-links a:first-child { background:#111; color:#fff; }

.contact { background:#f3f3f0; }
.contact-box { max-width: 900px; margin:0 auto; padding: clamp(40px, 6vw, 74px); text-align:center; background:#fff; border:1px solid rgba(16,16,16,.1); box-shadow: 0 24px 70px rgba(0,0,0,.08); }
.contact-box p { margin-left:auto; margin-right:auto; }
.contact-actions { display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin-top:34px; }
.contact-actions .btn-primary { background:#111; color:#fff; }
.contact-actions .btn-outline { background:#fff; }

.faq-section { background:#fff; }
.faq-head { display:flex; align-items:end; justify-content:space-between; gap:40px; margin-bottom:56px; }
.faq-head h2 { font-size: clamp(2.2rem, 4vw, 4.2rem); }
.faq-head > p { max-width: 420px; color:#666; }
.faq-list { border-top:1px solid var(--line); }
.faq-item { border-bottom:1px solid var(--line); }
.faq-item summary { display:grid; grid-template-columns:64px 1fr 28px; align-items:center; gap:18px; padding: 28px 0; cursor:pointer; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary span { font-family:var(--mono); font-size:12px; color:#999; }
.faq-item summary strong { font-size:17px; letter-spacing:-.05em; }
.faq-item summary i { position:relative; width:22px; height:22px; }
.faq-item summary i::before, .faq-item summary i::after { content:""; position:absolute; left:50%; top:50%; width:18px; height:1.5px; background:#111; transform:translate(-50%,-50%); }
.faq-item summary i::after { transform:translate(-50%,-50%) rotate(90deg); transition:transform .2s ease; }
.faq-item[open] summary i::after { transform:translate(-50%,-50%) rotate(0); }
.faq-item > p { max-width: 820px; margin: 0 0 30px 82px; color:#606060; }

.site-footer { display:grid; grid-template-columns:1fr auto 1fr; align-items:end; gap:28px; padding: 54px 5vw 48px; background:#0f0f0f; color:rgba(255,255,255,.7); font-size:12px; }
.footer-brand { margin:0 0 5px; color:#fff; font-size:17px; font-weight:900; letter-spacing:-.06em; }
.site-footer p { margin-top:0; }
.footer-links { display:flex; gap:22px; font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; }
.footer-meta { justify-self:end; text-align:right; }
.gma-credit { display:inline-block; margin-top:8px; max-width:460px; opacity:.56; font-size:11px; transition:opacity .2s ease; }
.gma-credit:hover { opacity:1; }
.fixed-call { position:fixed; z-index:70; right:22px; bottom:22px; display:flex; overflow:hidden; border-radius:999px; box-shadow:0 18px 54px rgba(0,0,0,.24); }
.fixed-call a { display:flex; align-items:center; justify-content:center; min-height:48px; padding:0 18px; background:#fff; color:#111; font-size:13px; font-weight:900; }
.fixed-call a:first-child { background:#111; color:#fff; }

.reveal { opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity:1; transform:translateY(0); }

@media (max-width: 1020px) {
  .site-nav { gap:18px; }
  .hero { padding-top: 110px; }
  .hero h1 { font-size: clamp(2.75rem, 9vw, 5rem); }
  .standard-grid, .care-inner, .showroom { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .tab-panel { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .site-header { height:72px; padding: 0 22px; }
  .brand-copy small { display:none; }
  .menu-button { display:block; position:relative; z-index:100; }
  .site-header.menu-open { color:#fff; background: transparent; border-bottom-color: transparent; backdrop-filter:none; }
  .site-nav {
    position:fixed;
    inset:0;
    z-index:90;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:22px;
    width:100vw;
    height:100dvh;
    padding: 96px 28px 44px;
    background:#111;
    color:#fff;
    font-size: clamp(2rem, 10vw, 3.4rem);
    line-height:1;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-10px);
    transition:.25s ease;
  }
  .site-nav.is-open { opacity:1; visibility:visible; pointer-events:auto; transform:translateY(0); }
  .hero { min-height: 100svh; padding: 118px 24px 180px; }
  .hero-media { background-position: 44% center; }
  .hero-shade { background: linear-gradient(180deg, rgba(8,8,8,.56), rgba(8,8,8,.74)); }
  .hero h1 { font-size: clamp(2.45rem, 11vw, 4.5rem); }
  .hero-text { font-size:.98rem; }
  .hero-status { left:24px; right:24px; bottom:22px; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px 18px; }
  .hero-status div { padding: 14px 0 0; }
  .hero-status strong { font-size:20px; }
  .section-pad { padding: 96px 24px; }
  .standard-card, .tab-panel { padding: 28px; }
  .process-grid { grid-template-columns: 1fr; }
  .center-head { text-align:left; margin-left:0; margin-right:0; }
  .tab-list { justify-content:flex-start; overflow-x:auto; flex-wrap:nowrap; padding-bottom:0; }
  .tab-list button { white-space:nowrap; }
  .showroom-card address div { grid-template-columns: 74px 1fr; }
  .faq-head { display:grid; gap:16px; align-items:start; }
  .faq-item summary { grid-template-columns: 42px 1fr 24px; gap:12px; padding:23px 0; }
  .faq-item > p { margin-left: 54px; }
  .site-footer { grid-template-columns:1fr; gap:22px; padding-bottom: 106px; }
  .footer-links { flex-wrap:wrap; gap:14px; }
  .footer-meta { justify-self:start; text-align:left; }
  .fixed-call { left:14px; right:14px; bottom:14px; }
  .fixed-call a { flex:1; }
}

@media (max-width: 520px) {
  .hero-actions .btn { width: 100%; }
  .hero-status span { font-size:11px; }
  .standard-grid { gap:18px; }
  .section-head h2, .center-head h2, .care-copy h2, .showroom-card h2, .contact-box h2 { font-size: clamp(2rem, 11vw, 3.5rem); }
  .panel-main h3 { font-size:22px; }
}