/* ============================================================
   ST247 · 주식회사 247번지
   다크 테크 원페이지 · Pretendard + JetBrains Mono
   반경 규칙: 버튼/칩 = pill, 카드/패널 = 16px, 소형 요소 = 8px
   ============================================================ */

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #060a12;
  --bg-elevated: #0b1120;
  --bg-panel: #0d1424;
  --fg: #f3f6fb;
  --fg-muted: #99a3b8;
  --accent: #3dd68c;
  --accent-deep: #17925a;
  --accent-glow: rgba(61, 214, 140, 0.14);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --radius-card: 16px;
  --radius-sm: 8px;
  --font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1200px;
  /* z-scale: 1 콘텐츠 / 10 헤더 / 20 모바일메뉴 */
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: keep-all; /* 한국어 단어 중간 줄바꿈 방지 */
  overflow-wrap: break-word;
}

img, canvas { max-width: 100%; display: block; }

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

::selection { background: var(--accent-deep); color: #fff; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- 타이포 ---------- */
h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -0.03em; line-height: 1.25; }

/* 줄바꿈 품질: 제목은 줄 길이를 고르게(balance),
   본문은 마지막 줄에 한두 단어만 남는 것을 방지(pretty).
   미지원 브라우저에서는 무시되는 점진적 향상. */
h1, h2, h3, dt, .stat-label { text-wrap: balance; }
p, li, dd { text-wrap: pretty; }

/* 2~4줄짜리 짧은 블록은 줄 길이를 고르게(balance).
   윗줄만 길고 아랫줄에 몇 어절만 남는 현상을 막는다.
   브라우저가 긴 문단(6줄 초과)에는 적용하지 않으므로 안전하다. */
.hero-sub, .hero-quote p, .page-lead,
.contact-lead, .cta-lead, .contact-note-sub, .cta-mini,
.faq-item dd, .sw-quote, .panel-case, .clients-note, .sol-shots-note,
.value-body p, .process-step p, .delivery-step > p,
.th-item p, .timeline-body p, .own-desc, .own-tag,
.figure-meta span, .org-node > span, .org-mini-row span,
.detail-col li, .sol-features li, .sol-arch-row dd,
.work-card > p, .work-quote p, .contact-note {
  text-wrap: balance;
}

/* 괄호 병기처럼 중간에서 끊기면 안 되는 어구를 묶는 유틸리티 */
.nb { white-space: nowrap; }

.section { padding-block: clamp(96px, 12vw, 160px); }

.section-title {
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  margin-bottom: 24px;
}

.section-body {
  color: var(--fg-muted);
  max-width: 62ch;
  margin: 0;
}

.mono, .stat-value, .figure-num, .timeline-year, .work-period {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border-radius: 999px;
  font-weight: 600;
  padding: 14px 28px;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease-out), background-color 0.25s, border-color 0.25s, color 0.25s;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #05130c;
}
.btn-primary:hover { background: #55e6a2; }

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--fg);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* ---------- 헤더 ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 10;
  transition: transform 0.4s var(--ease-out), background-color 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 10, 18, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.site-header.hidden { transform: translateY(-100%); }

.header-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}
.brand-word {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav > a {
  font-size: 0.92rem;
  color: var(--fg-muted);
  transition: color 0.2s;
}
.main-nav > a:hover, .main-nav > a:focus-visible { color: var(--fg); }

/* 서비스 드롭다운 */
.nav-drop { position: relative; }

.nav-drop-btn {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.nav-drop-btn::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.25s var(--ease-out);
}
.nav-drop:hover .nav-drop-btn,
.nav-drop:focus-within .nav-drop-btn { color: var(--fg); }
.nav-drop:hover .nav-drop-btn::after,
.nav-drop:focus-within .nav-drop-btn::after { transform: rotate(225deg) translateY(-2px); }

.nav-drop-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 6px);
  padding-top: 14px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
  z-index: 11;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.nav-drop-panel {
  min-width: 240px;
  background: rgba(11, 17, 32, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.nav-drop-panel a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 8px;
  transition: background-color 0.2s;
}
.nav-drop-panel a:hover,
.nav-drop-panel a:focus-visible { background: rgba(61, 214, 140, 0.08); }
.nav-drop-panel strong { font-size: 0.92rem; color: var(--fg); }
.nav-drop-panel span { font-size: 0.78rem; color: var(--fg-muted); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 9;
  background: rgba(6, 10, 18, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 28px; text-align: center; }
.mobile-menu a { font-size: 1.5rem; font-weight: 600; color: var(--fg); }
.mobile-menu .mobile-cta { color: var(--accent); }
.mobile-menu .mobile-sub { font-size: 1.05rem; font-weight: 500; color: var(--fg-muted); }

/* ---------- 히어로 ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, black 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: 68px;
}

.hero-brand {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 20px;
}

/* 히어로 가치 슬라이드: 절대 배치 스택 + 페이드 전환 */
.hero-slides {
  position: relative;
  min-height: clamp(345px, 32vw, 425px);
  margin-bottom: 36px;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), visibility 0.7s;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.hero-headline {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.18;
  max-width: 18ch;
  color: var(--fg);
}
.hero-headline em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  color: var(--fg-muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  max-width: 46ch;
  margin: 24px 0 0;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* 슬라이드별 고객 후기: 주장 아래 곧바로 증거 */
.hero-quote {
  margin: 26px 0 0;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  max-width: 46ch;
}
.hero-quote p {
  margin: 0 0 7px;
  color: #cfd6e4;
  font-size: 0.98rem;
  line-height: 1.6;
}
.hero-quote cite {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* 슬라이드 진행 바 */
.hero-progress {
  display: flex;
  gap: 6px;
  margin-top: 44px;
}
.hero-progress button {
  width: 40px;
  height: 16px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  position: relative;
}
.hero-progress button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  transform: translateY(-50%);
  border-radius: 2px;
  background: var(--border-strong);
  transition: background-color 0.3s;
}
.hero-progress button:hover::after { background: var(--fg-muted); }
.hero-progress button.is-active::after { background: var(--accent); }

/* ---------- 지표 ---------- */
.stats { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-block: 48px;
}

.stat { display: flex; flex-direction: column; gap: 6px; }

.stat-value {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.stat-label { font-size: 0.88rem; color: var(--fg-muted); }

/* ---------- 회사소개 / 핵심가치 / 연혁 ---------- */
.about-head { margin-bottom: clamp(56px, 7vw, 88px); }
.about-head .section-body + .section-body { margin-top: 18px; }

.about-values {
  list-style: none;
  margin: 0 0 clamp(72px, 9vw, 120px);
  padding: 0;
}

.value-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: clamp(20px, 4vw, 48px);
  align-items: start;
  padding-block: 28px;
  border-top: 1px solid var(--border);
}

.value-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 4px;
}

.value-body h3 { font-size: 1.25rem; margin-bottom: 8px; }
.value-body p { margin: 0; color: var(--fg-muted); max-width: 58ch; }

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: 2px 1fr;
  gap: 0 clamp(28px, 5vw, 64px);
}

.timeline-track {
  position: relative;
  width: 2px;
  background: var(--border);
  border-radius: 1px;
}
.timeline-progress {
  position: absolute;
  inset: 0;
  background: linear-gradient(var(--accent), var(--accent-deep));
  transform-origin: top;
  transform: scaleY(0);
  border-radius: 1px;
}

.timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 80px);
}

.timeline-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: clamp(20px, 4vw, 48px);
  align-items: start;
}

.timeline-year {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  padding-top: 2px;
}

.timeline-body h3 { font-size: 1.25rem; margin-bottom: 8px; }
.timeline-body p { margin: 0; color: var(--fg-muted); max-width: 56ch; }

/* ---------- 일하는 방식 ---------- */
.process { background: var(--bg-elevated); border-block: 1px solid var(--border); }

.process-head { margin-bottom: clamp(48px, 6vw, 80px); }

.process-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 4vw, 56px);
  counter-reset: step;
}

.process-step {
  position: relative;
  padding-top: 24px;
}
.process-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--border);
}
.process-step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--accent);
}

.process-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}

.process-step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.process-step p { margin: 0; color: var(--fg-muted); font-size: 0.95rem; }

/* ---------- 사업영역 (스티키 스택) ---------- */
.services .section-title { margin-bottom: clamp(48px, 6vw, 88px); }

.service-stack { position: relative; }

/* 패널 섹션은 투명하게 두고 카드(.panel-inner)만 불투명 처리.
   핀 고정된 이전 카드 위로 다음 카드가 덮이는 스택 연출을 위해 필수.
   뒤 패널일수록 z-index를 높여 핀 고정(fixed)된 앞 카드를 덮게 한다. */
.service-panel {
  min-height: 92dvh;
  display: flex;
  align-items: center;
  position: relative;
}
.service-panel:nth-child(1) { z-index: 1; }
.service-panel:nth-child(2) { z-index: 2; }
.service-panel:nth-child(3) { z-index: 3; }
.service-panel:nth-child(4) { z-index: 4; }
.service-panel:nth-child(5) { z-index: 5; }
.service-panel:nth-child(6) { z-index: 6; }

.panel-inner {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: clamp(36px, 5vw, 72px);
}

.service-panel[data-panel="web"] .panel-inner {
  background: linear-gradient(145deg, #0d1424 0%, #101728 100%);
}
.service-panel[data-panel="app"] .panel-inner {
  background: linear-gradient(145deg, #0d1424 0%, #0f1220 100%);
}
.service-panel[data-panel="ai"] .panel-inner {
  background: linear-gradient(145deg, #0d1424 0%, #0d1626 100%);
}
.service-panel[data-panel="sism"] .panel-inner {
  background: linear-gradient(145deg, #0d1424 0%, #0a1a17 100%);
}
.service-panel[data-panel="rnd"] .panel-inner {
  background: linear-gradient(145deg, #0d1424 0%, #131028 100%);
}

.panel-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}

.panel-text h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 18px; }
.panel-text > p { color: var(--fg-muted); margin: 0 0 24px; max-width: 52ch; }

.panel-case {
  font-size: 0.9rem;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}
.panel-text .panel-case { margin-bottom: 28px; }

.panel-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.panel-tags li {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* 패널 비주얼: 순수 CSS 제너러티브 그래픽 */
.panel-visual {
  aspect-ratio: 1 / 1;
  max-width: 380px;
  width: 100%;
  justify-self: center;
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.visual-blueprint {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(61, 214, 140, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 214, 140, 0.12) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 65%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
}
.visual-blueprint::after {
  content: "";
  position: absolute;
  inset: 22%;
  border: 1px solid rgba(61, 214, 140, 0.5);
  border-radius: var(--radius-sm);
  background: rgba(61, 214, 140, 0.06);
}

.visual-pulse {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 50%, rgba(61, 214, 140, 0.08), transparent 70%);
}
.visual-pulse::before, .visual-pulse::after {
  content: "";
  position: absolute;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(61, 214, 140, 0.45);
}
.visual-pulse::after { width: 68%; border-color: rgba(61, 214, 140, 0.22); }

/* 웹·모바일: 반응형 화면 프레임 */
.visual-screens {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(61, 214, 140, 0.08), transparent 70%);
}
.visual-screens::before {
  content: "";
  position: absolute;
  inset: 20% 12% 30% 12%;
  border: 1px solid rgba(61, 214, 140, 0.45);
  border-radius: var(--radius-sm);
}
.visual-screens::after {
  content: "";
  position: absolute;
  right: 18%;
  bottom: 16%;
  width: 20%;
  height: 42%;
  border: 1px solid rgba(61, 214, 140, 0.6);
  border-radius: 12px;
  background: rgba(61, 214, 140, 0.07);
}

/* AI: 노드 매트릭스 + 중심 코어 */
.visual-ai {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(61, 214, 140, 0.14), transparent 55%),
    radial-gradient(rgba(120, 180, 155, 0.35) 1.5px, transparent 1.5px);
  background-size: 100% 100%, 34px 34px;
  background-position: 0 0, 8px 8px;
}
.visual-ai::before {
  content: "";
  position: absolute;
  inset: 33%;
  border: 1px solid rgba(61, 214, 140, 0.5);
  border-radius: 50%;
  background: rgba(61, 214, 140, 0.07);
}
.visual-ai::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(61, 214, 140, 0.8);
}

/* 모바일 앱: 폰 실루엣 */
.visual-app {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 50%, rgba(94, 106, 210, 0.1), transparent 70%);
}
.visual-app::before {
  content: "";
  width: 34%;
  aspect-ratio: 9 / 18;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(61, 214, 140, 0.1), transparent 65%);
}
.visual-app::after {
  content: "";
  position: absolute;
  bottom: 26%;
  left: 50%;
  transform: translateX(-50%);
  width: 10%;
  height: 3px;
  border-radius: 2px;
  background: rgba(61, 214, 140, 0.6);
}

.visual-orbit {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(94, 106, 210, 0.12), transparent 70%);
}
.visual-orbit::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px dashed rgba(255, 255, 255, 0.25);
  border-radius: 50%;
}
.visual-orbit::after {
  content: "";
  position: absolute;
  top: 14%;
  left: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- 솔루션 (메인 요약 타일) ---------- */
.sol-grid {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.sol-tile {
  grid-column: span 2;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.sol-tile:nth-child(1),
.sol-tile:nth-child(2) { grid-column: span 3; }
.sol-tile:hover { border-color: rgba(61, 214, 140, 0.5); transform: translateY(-4px); }

.sol-tile-name {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.sol-tile-name em,
.sol-name em { font-style: normal; color: var(--accent); }

.sol-tile strong { font-size: 0.95rem; }
.sol-tile p { margin: 2px 0 0; color: var(--fg-muted); font-size: 0.9rem; }

/* ---------- 자사 서비스 (메인) ---------- */
.own { border-top: 1px solid var(--border); }

.own-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.own-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: linear-gradient(160deg, var(--bg-panel), #0a1220 85%);
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.own-card:hover { border-color: rgba(61, 214, 140, 0.5); transform: translateY(-4px); }

.own-shot {
  margin: 0 0 8px;
}
.own-shot img {
  width: 100%;
  display: block;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}

.own-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.own-name { font-size: 1.5rem; letter-spacing: -0.02em; }
.own-name--mono { font-family: var(--font-mono); letter-spacing: 0.02em; }

.own-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid rgba(61, 214, 140, 0.45);
  border-radius: 999px;
  padding: 4px 12px;
}

.own-tag {
  margin: -6px 0 0;
  font-size: 0.9rem;
  color: var(--accent);
}

.own-desc {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

.own-card .link-more { margin-top: 10px; }

/* ---------- 솔루션 상세 (solutions.html) ---------- */
.sol-block {
  border-top: 1px solid var(--border);
  padding-block: clamp(56px, 7vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
}

.sol-head { position: sticky; top: 108px; }

.sol-cat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 14px;
}

.sol-name {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  letter-spacing: 0.01em;
  margin-bottom: 10px;
}

.sol-type { margin: 0; color: var(--fg-muted); font-size: 0.95rem; }

.sol-intro { color: var(--fg-muted); margin: 0 0 28px; max-width: 62ch; }

/* 솔루션 화면 미리보기 */
.sol-shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 12px;
}

.sol-shot { margin: 0; }
.sol-shot img {
  width: 100%;
  display: block;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  transition: border-color 0.3s;
}
.sol-shot:hover img { border-color: rgba(61, 214, 140, 0.45); }
.sol-shot figcaption {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.sol-shots-note {
  margin: 0 0 32px;
  font-size: 0.8rem;
  color: #77839a;
}

.sol-feat-title { font-size: 0.95rem; margin-bottom: 14px; }

.sol-features {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 32px;
}
.sol-features li {
  position: relative;
  padding: 7px 0 7px 22px;
  color: var(--fg-muted);
  font-size: 0.95rem;
}
.sol-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 10px;
  height: 2px;
  background: var(--accent);
}

.sol-block .panel-case { margin-bottom: 0; }

/* 솔루션 기술 아키텍처 표 */
.sol-arch {
  margin: 0 0 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.sol-arch-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 14px 18px;
}
.sol-arch-row + .sol-arch-row { border-top: 1px solid var(--border); }

.sol-arch-row dt {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.sol-arch-row dd {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.92rem;
}

.sol-block .slide-works-grid { margin-bottom: 0; }

/* ---------- 팀 ---------- */
.team { background: var(--bg-elevated); border-block: 1px solid var(--border); }

.team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(48px, 7vw, 112px);
  align-items: start;
}

.team-figures {
  display: flex;
  flex-direction: column;
}

.figure {
  display: flex;
  align-items: baseline;
  gap: clamp(24px, 3vw, 44px);
  padding-block: 28px;
}
.figure + .figure { border-top: 1px solid var(--border); }

.figure-num {
  font-size: clamp(3rem, 6vw, 4.8rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 1.4ch;
}

.figure-meta { display: flex; flex-direction: column; gap: 4px; }
.figure-meta strong { font-size: 1.1rem; }
.figure-meta span { color: var(--fg-muted); font-size: 0.92rem; }

.stack-marquee {
  margin-top: clamp(64px, 8vw, 104px);
  overflow: hidden;
  border-top: 1px solid var(--border);
  padding-top: 40px;
  mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 12%, black 88%, transparent);
}

.marquee-track {
  display: inline-flex;
  gap: 48px;
  white-space: nowrap;
  will-change: transform;
}
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--fg-muted);
}

/* ---------- 프로젝트 (가로 스크롤) ---------- */
.work { padding-block: 0; }

.work-pin {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(40px, 5vw, 64px);
  padding-block: clamp(96px, 10vw, 140px);
  overflow: hidden;
}

/* flex 컬럼 안의 container는 auto 마진이 stretch를 막으므로 너비 명시 */
.work-head { width: 100%; }

.work-track {
  display: flex;
  gap: 28px;
  padding-inline: max(24px, calc((100vw - var(--container)) / 2 + 24px));
  width: max-content;
}

.work-card {
  width: min(420px, 78vw);
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-panel);
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}
.work-card:hover { border-color: rgba(61, 214, 140, 0.5); transform: translateY(-4px); }

.work-card[data-theme="a"] { background: linear-gradient(160deg, #0d1424, #0a1a17); }
.work-card[data-theme="b"] { background: linear-gradient(160deg, #0d1424, #101728); }
.work-card[data-theme="c"] { background: linear-gradient(160deg, #0d1424, #131028); }
.work-card[data-theme="d"] { background: linear-gradient(160deg, #0d1424, #0a1a17); }
.work-card[data-theme="e"] { background: linear-gradient(160deg, #0d1424, #101728); }

.work-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid rgba(61, 214, 140, 0.4);
  border-radius: 999px;
  padding: 4px 12px;
}

.work-card h3 { font-size: 1.35rem; }
.work-card p { margin: 0; color: var(--fg-muted); flex-grow: 1; }

.work-quote {
  margin: 0;
  border-left: 2px solid var(--accent);
  background: rgba(61, 214, 140, 0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px;
}
.work-quote p {
  margin: 0 0 6px;
  color: var(--fg);
  font-size: 0.88rem;
  line-height: 1.55;
  flex-grow: 0;
}
.work-quote cite {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.work-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.work-client { font-size: 0.85rem; color: var(--fg); font-weight: 600; }
.work-period { font-size: 0.82rem; color: var(--fg-muted); }

.work-head .section-body { margin-top: 4px; }

/* ---------- 자주 묻는 질문 ---------- */
.faq { background: var(--bg-elevated); border-top: 1px solid var(--border); }

.faq .section-title { margin-bottom: clamp(36px, 5vw, 56px); }

.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.faq-tab {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: none;
  color: var(--fg-muted);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 11px 26px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}
.faq-tab:hover { border-color: var(--accent); color: var(--fg); }
.faq-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #05130c;
}

.faq-panel[hidden] { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .faq-panel.entering { animation: faq-fade 0.4s var(--ease-out); }
  @keyframes faq-fade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
  }
}

.faq-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(40px, 6vw, 88px);
}

.faq-item {
  border-top: 1px solid var(--border);
  padding-block: 28px;
}

.faq-item dt {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.faq-item dt::before {
  content: "Q. ";
  color: var(--accent);
  font-family: var(--font-mono);
}
.faq-item dd { margin: 0; color: var(--fg-muted); font-size: 0.95rem; }

/* ---------- 문의 ---------- */
.contact { text-align: left; }

/* 메인 최종 CTA: 전환에 집중한 중앙 구성 */
.contact-final {
  background:
    radial-gradient(ellipse 55% 70% at 50% 100%, var(--accent-glow), transparent 65%),
    var(--bg);
  border-top: 1px solid var(--border);
}
.contact-final-inner {
  text-align: center;
  max-width: 760px;
}
.contact-final .contact-headline {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  margin-bottom: 24px;
}
.contact-lead {
  color: var(--fg-muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  max-width: 52ch;
  margin: 0 auto 40px;
}
.contact-cta-wrap { display: flex; justify-content: center; }
.btn-xl { padding: 22px 56px; font-size: 1.15rem; }
.contact-note-sub {
  margin: 24px 0 0;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* CTA 버튼 글로우 펄스 */
@media (prefers-reduced-motion: no-preference) {
  .cta-glow { animation: cta-pulse 3s ease-in-out infinite; }
  @keyframes cta-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.4); }
    55% { box-shadow: 0 0 0 16px rgba(61, 214, 140, 0); }
  }
}

/* 문의 절차 3단계 */
.cta-steps {
  list-style: none;
  margin: 0 auto 36px;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.cta-steps li { display: inline-flex; align-items: center; gap: 8px; }
.cta-steps li span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}
.cta-steps li + li::before {
  content: "→";
  color: var(--fg-muted);
  opacity: 0.5;
  margin-right: 18px;
}

/* 안심 칩 */
.cta-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.contact-final .cta-points { justify-content: center; }
.cta-points li {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* 신뢰 지표 스트립 */
.cta-trust {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  margin: 0 0 32px;
}

/* ---------- 서브페이지 CTA 패널 ---------- */
.cta-panel {
  border: 1px solid rgba(61, 214, 140, 0.25);
  border-radius: var(--radius-card);
  background:
    radial-gradient(ellipse 60% 90% at 100% 0%, var(--accent-glow), transparent 60%),
    linear-gradient(160deg, var(--bg-panel), #0a1220 85%);
  padding: clamp(32px, 5vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

.cta-panel h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  margin-bottom: 14px;
}
.cta-panel .cta-lead {
  margin: 0;
  color: var(--fg-muted);
  max-width: 52ch;
}

.cta-act {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}
.cta-mini { margin: 0; font-size: 0.85rem; color: var(--fg-muted); }

.contact-headline {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  letter-spacing: -0.03em;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

.contact-info dl { margin: 0; }
.contact-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid var(--border);
}
.contact-row dt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}
.contact-row dd { margin: 0; font-size: 1.05rem; }
.contact-row a:hover { color: var(--accent); }

.contact-action { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.contact-note { color: var(--fg-muted); font-size: 0.92rem; margin: 0; max-width: 52ch; }

/* ---------- 푸터 ---------- */
.site-footer { border-top: 1px solid var(--border); padding-block: 40px; }

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand { display: flex; align-items: baseline; gap: 16px; }
.footer-brand p { margin: 0; color: var(--fg-muted); font-size: 0.9rem; }
.footer-legal p { margin: 0; color: var(--fg-muted); font-size: 0.85rem; line-height: 1.8; }
.footer-copy { color: var(--fg-muted); font-size: 0.85rem; margin: 0; }

/* ---------- 리빌 초기 상태 (JS 활성 시에만) ---------- */
html.js-anim .reveal { opacity: 0; transform: translateY(28px); }
html.js-anim .hero-brand, html.js-anim .hero-cta { opacity: 0; }
/* 히어로 준비 전에는 활성 슬라이드도 숨김 → hero-ready가 붙으며 떠오른다 */
html.js-anim .hero:not(.hero-ready) .hero-slide.is-active {
  opacity: 0;
  visibility: hidden;
  transform: translateY(28px);
}

/* ---------- 포커스 ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 반응형 ---------- */
@media (max-width: 1023px) {
  .main-nav { display: none; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 1023px) and (min-width: 768px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; padding-block: 40px; }

  .value-row { grid-template-columns: 1fr; gap: 8px; }

  .process-grid { grid-template-columns: 1fr; gap: 32px; }

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

  .timeline { grid-template-columns: 2px 1fr; gap: 0 20px; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }

  .panel-inner { grid-template-columns: 1fr; }
  .panel-visual { max-width: 260px; }

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

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

  /* 모바일: 가로 스크롤 핀 대신 네이티브 스와이프 */
  .work-pin { min-height: auto; }
  .work-track {
    width: auto;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 16px;
  }
  .work-card { scroll-snap-align: start; }
}

/* ---------- 더 보기 링크 ---------- */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  transition: transform 0.25s var(--ease-out), color 0.2s;
}
.link-more:hover { transform: translateX(4px); color: #55e6a2; }

.stack-more { margin-top: 24px; }
.work-head .link-more { margin-top: 20px; }

/* ---------- 함께한 고객 ---------- */
.clients { border-top: 1px solid var(--border); }
.clients .section-title { margin-bottom: clamp(48px, 6vw, 72px); }

.clients-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.client-tile {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  min-height: 108px;
  display: grid;
  place-items: center;
  transition: border-color 0.3s;
}
.client-tile:hover { border-color: var(--border-strong); }
.client-tile span {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}
.client-tile img { max-height: 40px; width: auto; opacity: 0.8; }

.clients-note {
  margin: 24px 0 0;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ---------- 서브페이지 공통 ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(68px + clamp(72px, 10vw, 128px)) 0 clamp(56px, 7vw, 88px);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 110% at 82% 10%, rgba(61, 214, 140, 0.16), transparent 60%),
    radial-gradient(ellipse 50% 90% at 15% 110%, rgba(94, 106, 210, 0.08), transparent 60%),
    var(--bg);
}

.page-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

/* 그리드 오버레이: 서브 헤더에서는 우측 상단에 집중 */
.page-hero .hero-grid-overlay {
  mask-image: radial-gradient(ellipse 65% 130% at 78% 30%, black 25%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 65% 130% at 78% 30%, black 25%, transparent 72%);
}

.page-hero .container { position: relative; z-index: 1; }
.page-hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 16px;
  text-transform: uppercase;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.page-lead { color: var(--fg-muted); max-width: 62ch; margin: 0; font-size: 1.05rem; }

/* ---------- CEO 인사말 (회사소개) ---------- */
.ceo-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

.ceo-head { position: sticky; top: 108px; }
.ceo-head .panel-kicker { margin-bottom: 14px; }
.ceo-head .section-title { margin-bottom: 0; }

.ceo-greeting {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.6;
  margin: 0 0 28px;
}

.ceo-body > p:not(.ceo-greeting):not(.ceo-sign) {
  color: var(--fg-muted);
  margin: 0 0 24px;
  max-width: 62ch;
}

.ceo-sign {
  margin: 44px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.ceo-sign span { font-size: 0.9rem; color: var(--fg-muted); }
.ceo-sign strong { font-size: 1.35rem; letter-spacing: 0.06em; }

/* ---------- 회사 개요 표 ---------- */
.info-table { margin: 0; }
.info-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  padding-block: 18px;
  border-bottom: 1px solid var(--border);
}
.info-row dt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.info-row dd { margin: 0; }

/* ---------- 사업영역 상세 블록 ---------- */
.detail-block {
  border-top: 1px solid var(--border);
  padding-block: clamp(56px, 7vw, 96px);
}
.detail-block .panel-kicker { margin-bottom: 12px; }
.detail-block h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 20px; }
.detail-intro { color: var(--fg-muted); max-width: 62ch; margin: 0 0 40px; }

.detail-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
  margin-bottom: 40px;
}
@media (min-width: 1024px) {
  .detail-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* 차별점 열: 그린 틴트 패널로 구분 */
.detail-col--diff {
  background: rgba(61, 214, 140, 0.05);
  border: 1px solid rgba(61, 214, 140, 0.22);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
}
.detail-col--diff h3 { color: var(--accent); }
.detail-col h3 {
  font-size: 0.95rem;
  color: var(--fg);
  margin-bottom: 14px;
}
.detail-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.detail-col li {
  position: relative;
  padding: 8px 0 8px 22px;
  color: var(--fg-muted);
  font-size: 0.95rem;
}
.detail-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 10px;
  height: 2px;
  background: var(--accent);
}

/* ---------- 프로젝트 연도별 리스트 ---------- */
.pyear-group { margin-bottom: clamp(48px, 6vw, 72px); }
.pyear {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}
.plist { list-style: none; margin: 0; padding: 0; }
.pitem {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding-block: 14px;
  border-bottom: 1px solid var(--border);
}
.pitem-title { font-size: 0.98rem; }
.pitem-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 3px 12px;
  white-space: nowrap;
}

/* ---------- 문의 폼 ---------- */
.inquiry-layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: clamp(48px, 6vw, 96px);
  align-items: start;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field-full { grid-column: 1 / -1; }

.field label { font-size: 0.9rem; font-weight: 600; }
.field label .req { color: var(--accent); }

.field input,
.field select,
.field textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 13px 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.field textarea { min-height: 160px; resize: vertical; line-height: 1.6; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--fg-muted) 50%), linear-gradient(135deg, var(--fg-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.field input::placeholder, .field textarea::placeholder { color: #6b7688; }

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 214, 140, 0.18);
}

.field-error {
  display: none;
  font-size: 0.82rem;
  color: #ff7b7b;
}
.field.invalid input, .field.invalid textarea { border-color: #e05252; }
.field.invalid .field-error { display: block; }

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  grid-column: 1 / -1;
}
.consent-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.consent-row label { font-size: 0.88rem; color: var(--fg-muted); font-weight: 400; }
.consent-row.invalid label { color: #ff7b7b; }

.form-actions { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.form-note { font-size: 0.85rem; color: var(--fg-muted); margin: 0; max-width: 52ch; }
.form-note.is-success { color: var(--accent); font-weight: 600; }
.form-note.is-error { color: #ff8b86; font-weight: 600; }

.form-actions .btn:disabled { opacity: 0.6; cursor: default; }

/* 봇 차단용 필드: 화면과 스크린리더 모두에서 제외 */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.inquiry-aside { display: flex; flex-direction: column; gap: 8px; }
.inquiry-aside h2 { font-size: 1.15rem; margin-bottom: 12px; }

/* ---------- 가로 연혁 (메인) ---------- */
.timeline-h {
  overflow-x: auto;
  cursor: grab;
  scrollbar-width: none;
  -ms-overflow-style: none;
  mask-image: linear-gradient(90deg, black 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, black 88%, transparent);
  touch-action: pan-x pan-y;
}
.timeline-h::-webkit-scrollbar { display: none; }
.timeline-h.dragging { cursor: grabbing; user-select: none; }

.timeline-h-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  width: max-content;
}

.th-item {
  width: 300px;
  flex-shrink: 0;
  border-top: 2px solid var(--border);
  padding: 28px 40px 8px 0;
  position: relative;
  scroll-snap-align: start;
}
.th-item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(61, 214, 140, 0.18);
}

.th-year {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}
.th-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
.th-item p { margin: 0; color: var(--fg-muted); font-size: 0.92rem; }

/* ---------- 조직 구성 (메인 요약) ---------- */
.org-mini { display: flex; flex-direction: column; }
.org-mini-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-block: 22px;
  border-top: 1px solid var(--border);
}
.org-mini-row strong { font-size: 1.05rem; }
.org-mini-row span { color: var(--fg-muted); font-size: 0.92rem; }
.org-mini .link-more { margin-top: 28px; }

/* 메인 팀 섹션 하단의 조직도 */
.team-org { margin-top: clamp(56px, 7vw, 88px); }
.team-org .link-more { margin-top: 36px; }

/* ---------- 조직도 (회사소개) ---------- */
.org-root {
  width: fit-content;
  margin-inline: auto;
  text-align: center;
  background: var(--bg-panel);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.org-root strong { font-size: 1.1rem; }
.org-root span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.org-trunk {
  width: 2px;
  height: 36px;
  background: var(--border-strong);
  margin-inline: auto;
}

.org-branch {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
/* 가로 연결선: 첫 노드 중심에서 마지막 노드 중심까지 */
.org-branch::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--border-strong);
}

.org-node {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
/* 노드별 세로 연결선 */
.org-node::before {
  content: "";
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-1px);
  width: 2px;
  height: 16px;
  background: var(--border-strong);
}

.org-node strong { font-size: 1.02rem; }
.org-node > span { color: var(--fg-muted); font-size: 0.88rem; }

.org-subs {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.org-subs li {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  color: var(--fg-muted);
  width: fit-content;
}

/* ---------- 사업영역 슬라이드 ---------- */
/* 기본(모바일·태블릿): 세로 나열. 데스크톱에서 JS가 .biz-active를 붙이면 핀 슬라이드 모드 */
.biz-nav { display: none; }

.biz-slide {
  border-top: 1px solid var(--border);
  padding-block: clamp(56px, 7vw, 96px);
}
.biz-slide:first-child { border-top: 0; padding-top: 0; }

.biz-slide h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  margin-bottom: 20px;
}
.biz-slide .panel-kicker { margin-bottom: 12px; }

.biz-nav-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 20px;
}

.biz-nav ol { list-style: none; margin: 0; padding: 0; }

.biz-nav-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0 16px 20px;
  border-left: 2px solid var(--border);
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
  word-break: keep-all;
}
.biz-nav-item span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-muted);
  transition: color 0.25s;
}
.biz-nav-item:hover { color: var(--fg); }
.biz-nav-item.active { color: var(--fg); border-left-color: var(--accent); }
.biz-nav-item.active span { color: var(--accent); }

@media (min-width: 1024px) {
  .biz-slides { padding-block: 0; }

  .biz-pin.biz-active { min-height: 100dvh; }

  .biz-active .biz-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: center;
    min-height: 100dvh;
    padding-top: 68px;
  }

  .biz-active .biz-nav { display: block; }

  .biz-active .biz-stage {
    position: relative;
    height: min(740px, calc(100dvh - 176px));
  }

  /* 슬라이드는 세로 중앙 정렬을 유지하되, 내용이 넘치면 위부터 스크롤.
     스크롤바는 숨긴다(휠 스크롤은 페이지 전환에 쓰이므로 시각적 노이즈 제거). */
  .biz-active .biz-slide {
    position: absolute;
    inset: 0;
    border-top: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .biz-active .biz-slide::-webkit-scrollbar { display: none; }
  .biz-active .biz-slide::before,
  .biz-active .biz-slide::after {
    content: "";
    flex: 0 0 auto;
    margin: auto;
  }

  /* 슬라이드 모드 수직 압축: 실적 카드까지 한 화면에 수납 */
  .biz-active .detail-col li { padding-block: 6px; }
  .biz-active .slide-work { padding: 13px 16px; }
  .biz-active .slide-works > h3 { margin-bottom: 10px; }
}

/* 화면 높이가 낮은 노트북: 슬라이드 콘텐츠를 더 압축해 스크롤 없이 수납 */
@media (min-width: 1024px) and (max-height: 899px) {
  .biz-active .biz-stage { height: calc(100dvh - 150px); }
  .biz-active .biz-slide h2 { font-size: 1.6rem; margin-bottom: 12px; }
  .biz-active .biz-slide .panel-kicker { margin-bottom: 8px; }
  .biz-active .detail-intro { font-size: 0.92rem; margin-bottom: 18px; }
  .biz-active .detail-cols { margin-bottom: 18px; gap: 20px; }
  .biz-active .detail-col h3 { margin-bottom: 8px; }
  .biz-active .detail-col li { padding-block: 4px; font-size: 0.88rem; }
  .biz-active .detail-col--diff { padding: 14px 16px; }
  .biz-active .slide-works > h3 { margin-bottom: 8px; }
  .biz-active .slide-work { padding: 10px 14px; }
  .biz-active .sw-head { margin-bottom: 5px; }
  .biz-active .sw-quote { font-size: 0.82rem; }
}

/* ---------- 슬라이드 실적 카드 ---------- */
.slide-works > h3 {
  font-size: 0.95rem;
  color: var(--fg);
  margin-bottom: 14px;
}

.slide-works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.slide-work {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  padding: 16px 18px;
}

.sw-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.sw-head strong { font-size: 0.92rem; }
.sw-head span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  white-space: nowrap;
}

.sw-quote {
  margin: 0;
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.55;
}
.sw-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.75rem;
  color: #77839a;
  margin-top: 6px;
}

/* 슬라이드 모드에서는 실적 카드가 들어갈 수직 공간 확보 */
.biz-active .detail-intro { margin-bottom: 28px; }
.biz-active .detail-cols { margin-bottom: 28px; }

@media (max-width: 767px) {
  .slide-works-grid { grid-template-columns: 1fr; }
}

/* ---------- 비교표 (사업영역) ---------- */
.compare-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 18px 22px;
  text-align: left;
  vertical-align: top;
  font-size: 0.92rem;
  line-height: 1.55;
  border-bottom: 1px solid var(--border);
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td { border-bottom: 0; }

.compare-table thead th {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}
.compare-table thead th.c-st247 {
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.compare-table tbody th[scope="row"] {
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  width: 130px;
}

.compare-table td { color: var(--fg-muted); }
.compare-table td.c-st247 {
  color: var(--fg);
  background: rgba(61, 214, 140, 0.055);
  border-left: 1px solid rgba(61, 214, 140, 0.25);
  border-right: 1px solid rgba(61, 214, 140, 0.25);
}
.compare-table thead th.c-st247 {
  background: rgba(61, 214, 140, 0.09);
  border-left: 1px solid rgba(61, 214, 140, 0.25);
  border-right: 1px solid rgba(61, 214, 140, 0.25);
}

.compare-note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ---------- 프로젝트 수행 체계 ---------- */
.delivery-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  border-left: 2px solid var(--border);
}

.delivery-step {
  position: relative;
  padding: 0 0 clamp(36px, 4vw, 52px) clamp(28px, 4vw, 48px);
}
.delivery-step:last-child { padding-bottom: 0; }
.delivery-step::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(61, 214, 140, 0.18);
}

.delivery-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.delivery-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}
.delivery-head h3 { font-size: 1.2rem; }
.delivery-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 3px 12px;
}
.delivery-step > p { margin: 0; color: var(--fg-muted); max-width: 62ch; font-size: 0.95rem; }

/* ---------- 서브페이지 반응형 ---------- */
@media (max-width: 1023px) and (min-width: 768px) {
  .org-branch { grid-template-columns: repeat(2, 1fr); }
  .org-branch::before { left: 25%; right: 25%; }
}

@media (max-width: 767px) {
  .clients-grid { grid-template-columns: repeat(2, 1fr); }

  .ceo-grid { grid-template-columns: 1fr; }
  .ceo-head { position: static; }
  .detail-cols { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; gap: 4px; }
  .inquiry-layout { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .pitem { grid-template-columns: 1fr; gap: 8px; }

  .th-item { width: 260px; }

  .sol-grid { grid-template-columns: 1fr; }
  .sol-tile,
  .sol-tile:nth-child(1),
  .sol-tile:nth-child(2) { grid-column: span 1; }

  .sol-block { grid-template-columns: 1fr; gap: 24px; }
  .sol-head { position: static; }
  .sol-features { grid-template-columns: 1fr; }
  .sol-arch-row { grid-template-columns: 1fr; gap: 4px; }
  .sol-shots { grid-template-columns: 1fr; }
  .own-grid { grid-template-columns: 1fr; }
  .cta-panel { grid-template-columns: 1fr; }
  .cta-steps { justify-content: flex-start; }
  .cta-steps li + li::before { display: none; }

  /* 모바일 조직도: 세로 스택, 연결선 숨김 */
  .org-branch { grid-template-columns: 1fr; gap: 12px; padding-top: 0; }
  .org-branch::before { display: none; }
  .org-node::before { display: none; }
  .org-trunk { height: 20px; margin-bottom: 12px; }
}

/* ---------- 모션 축소 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js-anim .reveal,
  html.js-anim .hero-brand, html.js-anim .hero-cta {
    opacity: 1;
    transform: none;
  }
  .marquee-track { transform: none !important; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}