/* ==========================================================================
   WorkCrew AWM — Landing 디자인 시스템 (랜딩 전용, 앱 style.css 와 격리)
   - 로컬 번들 폰트(폐쇄망 On-Premise 대응, CDN 금지)
   - 다크 베이스 + 글래스모피즘 + B2C→B2B 톤 그라데이션
   ========================================================================== */

/* ---------- 폰트 (로컬) ---------- */
@font-face {
  font-family: "Pretendard";
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
  src: url("../assets/fonts/PretendardVariable.woff2") format("woff2");
}
@font-face {
  font-family: "InterVar";
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
  src: url("../assets/fonts/InterVariable.woff2") format("woff2");
}

/* ---------- 토큰 ---------- */
:root {
  /* 베이스(슬레이트) */
  --bg-0: #070b16;          /* 최심부 */
  --bg-1: #0b1220;          /* 본문 배경 */
  --bg-2: #111a2e;          /* 섹션 대비 */
  --panel: #131d31;
  --border: #233149;
  --border-soft: #1b2740;

  /* 텍스트 */
  --text: #eaf0fb;
  --text-2: #b7c2d8;
  --muted: #8595b0;
  --faint: #5a6884;

  /* 액센트 — 상단 B2C 화려(시안/바이올렛) → 하단 B2B 신뢰(블루) */
  --sky: #38bdf8;
  --cyan: #22d3ee;
  --indigo: #6366f1;
  --violet: #a855f7;
  --emerald: #34d399;
  --amber: #fbbf24;
  --rose: #fb7185;

  /* 의미색 */
  --accent: var(--sky);
  --ok: var(--emerald);
  --warn: var(--amber);
  --danger: var(--rose);

  /* 그라데이션 */
  --grad-hero: linear-gradient(135deg, #22d3ee 0%, #6366f1 45%, #a855f7 100%);
  --grad-b2b: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
  --grad-text: linear-gradient(120deg, #e9f6ff 0%, #a5c8ff 40%, #c4b5fd 100%);

  /* 글래스 */
  --glass-bg: rgba(20, 30, 52, 0.55);
  --glass-bg-strong: rgba(22, 33, 58, 0.78);
  --glass-border: rgba(150, 180, 230, 0.14);
  --glass-blur: 16px;

  /* 라운드/그림자/간격 */
  --r-sm: 10px; --r-md: 16px; --r-lg: 22px; --r-xl: 30px;
  --shadow-sm: 0 4px 18px rgba(0,0,0,.28);
  --shadow-md: 0 18px 50px rgba(0,0,0,.40);
  --shadow-glow: 0 0 0 1px rgba(99,102,241,.25), 0 20px 60px rgba(56,189,248,.18);
  --container: 1160px;

  /* 폰트 패밀리 */
  --font-display: "InterVar", "Pretendard", system-ui, sans-serif;
  --font-body: "Pretendard", "InterVar", system-ui, sans-serif;
}

/* ---------- 리셋/베이스 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-1);
  line-height: 1.6;
  font-feature-settings: "ss01", "cv01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; letter-spacing: -0.02em; margin: 0; font-weight: 800; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; border-radius: 6px; }

/* 전역 배경 분위기(오로라 글로우) */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(99,102,241,.22), transparent 60%),
    radial-gradient(800px 600px at 95% 4%, rgba(34,211,238,.16), transparent 55%),
    radial-gradient(900px 700px at 60% 110%, rgba(168,85,247,.12), transparent 60%),
    var(--bg-1);
}
body::after { /* 미세 그레인/비네트 */
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(120% 120% at 50% 0%, transparent 60%, rgba(0,0,0,.35) 100%);
}

/* ---------- 레이아웃 ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { position: relative; padding: clamp(72px, 11vw, 140px) 0; }
.section--tight { padding: clamp(48px, 7vw, 90px) 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
.section-title { font-size: clamp(28px, 4.4vw, 46px); }
.section-sub { color: var(--text-2); font-size: clamp(16px, 1.6vw, 19px); max-width: 60ch; margin-top: 14px; }
.text-grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.text-accent { background: var(--grad-hero); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 글래스 카드 ---------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  box-shadow: var(--shadow-sm);
}
.glass--strong { background: var(--glass-bg-strong); }
.card { padding: 26px; border-radius: var(--r-lg); }
.card-hover { transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s, border-color .35s; }
.card-hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); border-color: rgba(99,102,241,.4); }

/* ---------- 칩/뱃지/버튼 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: rgba(56,189,248,.10); border: 1px solid rgba(56,189,248,.22); color: var(--text-2);
}
.badge-roadmap {
  font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; color: var(--amber);
  background: rgba(251,191,36,.12); border: 1px solid rgba(251,191,36,.3);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 999px; font-weight: 700; font-size: 15px;
  cursor: pointer; border: 1px solid transparent; transition: transform .25s, box-shadow .25s, background .25s, border-color .25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary { color: #06101f; background: var(--grad-hero); box-shadow: 0 12px 34px rgba(56,189,248,.30); }
.btn--primary:hover { box-shadow: 0 16px 46px rgba(99,102,241,.45); transform: translateY(-2px); }
.btn--ghost { color: var(--text); background: rgba(255,255,255,.04); border-color: var(--glass-border); }
.btn--ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(150,180,230,.3); }
.btn--lg { padding: 16px 30px; font-size: 16px; }

/* ---------- 헤더(상단 고정 글래스 네비) ---------- */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8,13,24,.72); border-bottom-color: var(--border-soft);
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.wordmark { font-family: var(--font-display); font-weight: 800; font-size: 21px; letter-spacing: -.03em; color: var(--text); display: inline-flex; align-items: baseline; gap: 9px; }
.wordmark .tag { font-size: 11px; font-weight: 700; letter-spacing: .16em; color: var(--cyan); border: 1px solid rgba(34,211,238,.35); border-radius: 6px; padding: 2px 6px; transform: translateY(-2px); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14.5px; color: var(--text-2); font-weight: 600; transition: color .2s; }
.nav-links a:hover { color: var(--text); }

/* ---------- 스크롤 리빌 애니메이션 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

/* ---------- 그리드 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 반응형 ---------- */
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container { padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .float, .pulse-dot, .blink { animation: none !important; }
}

/* ==========================================================================
   섹션 전용 스타일
   ========================================================================== */

/* ---------- S1 히어로 ---------- */
.hero { padding-top: 150px; padding-bottom: 90px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6.2vw, 68px); font-weight: 850; letter-spacing: -.035em; }
.hero-sub { color: var(--text-2); font-size: clamp(17px, 1.9vw, 21px); margin-top: 22px; max-width: 30ch; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-trust { margin-top: 30px; display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; }
.hero-trust b { color: var(--text-2); font-weight: 700; }
.float { animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* 미니 3분할 워크스페이스 목업 */
.ws { padding: 14px; border-radius: var(--r-xl); display: grid; grid-template-columns: 64px 1fr 96px; gap: 10px; min-height: 360px; }
.ws-col { background: rgba(8,13,24,.5); border: 1px solid var(--border-soft); border-radius: var(--r-md); padding: 12px; }
.ws-row { height: 9px; border-radius: 4px; background: linear-gradient(90deg, rgba(150,180,230,.22), rgba(150,180,230,.06)); margin-bottom: 9px; }
.ws-row.w60 { width: 60%; } .ws-row.w80 { width: 80%; } .ws-row.w40 { width: 40%; }
.ws-mid { display: flex; flex-direction: column; }
.ws-bubble { align-self: flex-end; background: var(--grad-b2b); color: #06101f; font-size: 12px; font-weight: 600; padding: 8px 12px; border-radius: 12px 12px 4px 12px; margin-bottom: 12px; max-width: 70%; }

/* 사고 타임라인(라이브) */
.think { margin-top: auto; background: rgba(8,13,24,.6); border: 1px solid var(--border-soft); border-radius: var(--r-md); padding: 12px; }
.think-step { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--muted); padding: 4px 0; opacity: .4; transition: opacity .4s, color .4s; }
.think-step.active { opacity: 1; color: var(--text-2); }
.think-step.done { opacity: 1; color: var(--ok); }
.think-step .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex: none; }
.think-step.active .dot { animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(56,189,248,.5);} 50%{ box-shadow: 0 0 0 5px rgba(56,189,248,0);} }
.blink::after { content: "▍"; animation: blink 1s step-start infinite; color: var(--cyan); }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- 카드 콘텐츠 공통 ---------- */
.feat-ico { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; font-size: 22px; background: rgba(99,102,241,.14); border: 1px solid rgba(99,102,241,.28); margin-bottom: 16px; }
.feat-title { font-size: 19px; font-weight: 750; font-family: var(--font-display); }
.feat-desc { color: var(--text-2); font-size: 15px; margin-top: 9px; }

/* ---------- S5 다이어그램 ---------- */
.diagram { padding: 30px; border-radius: var(--r-xl); }
.diagram svg { width: 100%; height: auto; }
.dg-node { transition: opacity .3s; cursor: default; }
.diagram.dim .dg-node:not(.hot) { opacity: .32; }
.dg-flow { stroke-dasharray: 6 8; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -28; } }

/* ---------- S6 RBAC: 같은 질문 다른 답 ---------- */
.rbac-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.rbac-card { padding: 22px; border-radius: var(--r-lg); }
.rbac-role { font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.rbac-card .ans { margin-top: 12px; font-size: 14px; color: var(--text-2); }
.rbac-card .scope { margin-top: 14px; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--border); padding-top: 12px; }
.r-exec { color: var(--violet); } .r-mgr { color: var(--sky); } .r-staff { color: var(--emerald); }

/* ---------- S7 Provenance 답변 카드 ---------- */
.ans-card { padding: 24px; border-radius: var(--r-lg); max-width: 560px; }
.ans-card .q { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.ans-card .a { font-size: 15.5px; line-height: 1.7; }
.src-list { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.src { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-2); padding: 8px 11px; border-radius: 10px; background: rgba(8,13,24,.5); border: 1px solid var(--border-soft); }
.src .tag { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 5px; flex: none; }
.src .tag.sql { background: rgba(56,189,248,.16); color: var(--sky); }
.src .tag.doc { background: rgba(52,211,153,.16); color: var(--emerald); }

/* ---------- S4 DnD 데모(Mock) ---------- */
.dnd-zone { border: 2px dashed var(--border); border-radius: var(--r-lg); padding: 40px; text-align: center; transition: border-color .3s, background .3s; background: rgba(8,13,24,.35); }
.dnd-zone.drag { border-color: var(--cyan); background: rgba(34,211,238,.08); }
.dnd-files { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; text-align: left; }
.dnd-file { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 12px; background: rgba(8,13,24,.55); border: 1px solid var(--border-soft); font-size: 13.5px; }
.dnd-file .bar { flex: 1; height: 5px; border-radius: 3px; background: rgba(150,180,230,.14); overflow: hidden; }
.dnd-file .bar > i { display: block; height: 100%; width: 0; background: var(--grad-b2b); transition: width 1.1s cubic-bezier(.2,.7,.2,1); }
.dnd-file.done .bar > i { width: 100%; }
.dnd-file .state { font-size: 11.5px; color: var(--muted); flex: none; width: 76px; text-align: right; }
.dnd-file.done .state { color: var(--ok); }

/* ---------- S8 스텝 ---------- */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.step { padding: 26px; border-radius: var(--r-lg); position: relative; }
.step::before { counter-increment: s; content: counter(s); font-family: var(--font-display); font-weight: 800; font-size: 15px; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--grad-hero); color: #06101f; margin-bottom: 16px; }

/* ---------- 신뢰(P1~P5) ---------- */
.principles { display: flex; flex-wrap: wrap; gap: 12px; }
.principle { display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; border-radius: var(--r-md); flex: 1 1 280px; }
.principle .k { color: var(--cyan); font-weight: 800; font-family: var(--font-display); flex: none; }

/* ---------- 최종 CTA ---------- */
.cta-final { text-align: center; padding: clamp(54px, 8vw, 96px) 30px; border-radius: var(--r-xl); position: relative; overflow: hidden; }
.cta-final::before { content:""; position:absolute; inset:0; background: var(--grad-hero); opacity:.10; }
.cta-final h2 { font-size: clamp(30px, 5vw, 52px); position: relative; }

/* ---------- 푸터 ---------- */
.footer { border-top: 1px solid var(--border-soft); padding: 44px 0; color: var(--muted); font-size: 14px; }
.footer-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }

/* 히어로/그리드 반응형 보강 */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-sub { max-width: none; }
  .rbac-grid, .steps { grid-template-columns: 1fr; }
}