@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700;900&family=Inter:wght@400;600;700;800&display=swap');

:root {
  --accent: #4F46E5;
  --green: #059669;
  --yellow: #D97706;
  --bg: #F9FAFB;
  --card: #FFFFFF;
  --text: #111827;
  --sub: #374151;
  --muted: #6B7280;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans KR', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 14px; }

/* HERO */
.hero {
  background: linear-gradient(160deg, #0F172A 0%, #1E1B4B 60%, #0F172A 100%);
  color: #fff; padding: 64px 40px 52px; position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; top: -100px; right: -60px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(99,102,241,.2) 0%, transparent 65%);
  border-radius: 50%; pointer-events: none;
}
.hero-inner { max-width: 860px; margin: 0 auto; position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: #818CF8;
  border: 1px solid rgba(129,140,248,.4); padding: 4px 14px; border-radius: 20px; margin-bottom: 22px;
}
.hero h1 { font-size: 40px; font-weight: 900; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 14px; }
.hero h1 em { font-style: normal; color: #A5B4FC; }
.hero-desc { font-size: 15px; color: #94A3B8; line-height: 1.8; max-width: 560px; margin-bottom: 36px; }
.hero-meta { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-meta-item { display: flex; flex-direction: column; gap: 3px; }
.meta-label { font-size: 10px; color: #475569; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.meta-value { font-size: 13px; font-weight: 600; color: #CBD5E1; }

/* KPI BAR */
.kpi-bar { background: var(--accent); padding: 22px 40px; }
.kpi-inner { max-width: 860px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; text-align: center; }
.kpi-num { font-family: 'Inter', sans-serif; font-size: 28px; font-weight: 800; color: #fff; line-height: 1.1; }
.kpi-desc { font-size: 11px; color: #C7D2FE; margin-top: 4px; }

/* LAYOUT */
.container { max-width: 860px; margin: 0 auto; padding: 56px 40px 80px; }
.section { margin-bottom: 60px; }

.sec-label {
  display: flex; align-items: center; gap: 10px; margin-bottom: 22px;
}
.sec-label .num { font-size: 10px; font-weight: 700; color: var(--accent); letter-spacing: .12em; text-transform: uppercase; }
.sec-label h2 { font-size: 20px; font-weight: 700; }
.sec-label .line { flex: 1; height: 1px; background: var(--border); }

/* CARD */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 26px 28px; margin-bottom: 14px; }

/* CASE TOP */
.case-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; gap: 12px; }
.brand-row { display: flex; align-items: center; gap: 13px; }
.brand-dot { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 900; color: #fff; flex-shrink: 0; }
.d-teal   { background: linear-gradient(135deg,#0D9488,#0284C7); }
.d-indigo { background: linear-gradient(135deg,#4F46E5,#7C3AED); }
.d-green  { background: linear-gradient(135deg,#059669,#0D9488); }
.brand-name { font-size: 16px; font-weight: 700; line-height: 1.3; }
.tag-row { display: flex; gap: 5px; margin-top: 4px; flex-wrap: wrap; }
.t { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 4px; }
.t-teal   { background: rgba(2,132,199,.1);  color: #0369A1; }
.t-indigo { background: rgba(79,70,229,.1);  color: #4338CA; }
.t-green  { background: rgba(5,150,105,.1);  color: #047857; }
.t-gray   { background: var(--border-light); color: var(--muted); }
.status { font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 20px; white-space: nowrap; flex-shrink: 0; }
.s-done { background: rgba(79,70,229,.08); color: var(--accent); border: 1px solid rgba(79,70,229,.2); }
.s-live { background: rgba(5,150,105,.08); color: var(--green); border: 1px solid rgba(5,150,105,.2); }

/* DIVIDER */
.hr { height: 1px; background: var(--border-light); margin: 18px 0; }

/* METRICS */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px,1fr)); gap: 7px; margin: 14px 0; }
.m { background: var(--bg); border: 1px solid var(--border-light); border-radius: 8px; padding: 11px 8px; text-align: center; }
.m.hi { background: rgba(79,70,229,.05); border-color: rgba(79,70,229,.14); }
.m-val { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 800; color: var(--accent); line-height: 1.1; }
.m-val.g { color: var(--green); }
.m-key { font-size: 10px; color: var(--muted); margin-top: 3px; font-weight: 500; line-height: 1.4; }

/* GRID */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.g2w { display: grid; grid-template-columns: 5fr 4fr; gap: 18px; align-items: start; }
.g3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }

/* CELL HEADING */
.ch { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 9px; }

/* DOT LIST */
.dl { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.dl li { display: flex; gap: 8px; font-size: 13px; color: var(--sub); line-height: 1.55; }
.dl li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 7px; }
.dl.g li::before { background: var(--green); }

/* FLOW */
.flow { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin: 10px 0; }
.fs { font-size: 11px; font-weight: 600; color: var(--accent); background: rgba(79,70,229,.07); border: 1px solid rgba(79,70,229,.14); padding: 3px 9px; border-radius: 5px; }
.fa { color: #D1D5DB; font-size: 13px; }

/* SOJAERO */
.sj-grid { display: flex; flex-direction: column; gap: 7px; }
.sj { border-radius: 8px; padding: 11px 13px; }
.sj.gold   { background: rgba(5,150,105,.05);  border: 1px solid rgba(5,150,105,.2); }
.sj.silver { background: rgba(79,70,229,.04);  border: 1px solid rgba(79,70,229,.14); }
.sj.bronze { background: rgba(217,119,6,.04);  border: 1px solid rgba(217,119,6,.18); }
.sj-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 3px; }
.sj-rank { font-size: 10px; font-weight: 700; }
.sj-rank.g { color: var(--green); }
.sj-rank.i { color: var(--accent); }
.sj-rank.y { color: var(--yellow); }
.sj-roas { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 800; }
.sj-roas.g { color: var(--green); }
.sj-roas.i { color: var(--accent); }
.sj-roas.y { color: var(--yellow); }
.sj-data { font-size: 10px; color: var(--muted); margin-bottom: 3px; }
.sj-desc { font-size: 11px; color: var(--sub); line-height: 1.5; }

/* INFO BOX */
.info { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; font-size: 13px; color: var(--sub); line-height: 1.7; }
.info strong { color: var(--text); font-weight: 700; }

/* CALLOUT */
.insight { border-left: 3px solid var(--green); background: rgba(5,150,105,.04); border-radius: 0 8px 8px 0; padding: 11px 14px; margin-top: 14px; font-size: 13px; color: #065F46; line-height: 1.65; }
.insight strong { color: #047857; font-weight: 700; }
.trouble { border-left: 3px solid var(--yellow); background: rgba(217,119,6,.04); border-radius: 0 8px 8px 0; padding: 11px 14px; font-size: 13px; color: #78350F; line-height: 1.65; }
.trouble strong { color: #92400E; font-weight: 700; }

/* PROPOSAL */
.prop { border-radius: 9px; padding: 15px; }
.prop.gn { background: rgba(5,150,105,.04); border: 1px solid rgba(5,150,105,.18); }
.prop.in { background: rgba(79,70,229,.04); border: 1px solid rgba(79,70,229,.14); }
.prop-title { font-size: 12px; font-weight: 700; margin-bottom: 9px; }
.prop-title.g { color: var(--green); }
.prop-title.i { color: var(--accent); }

/* LOOP */
.loop { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; padding: 22px 0 18px; }
.ln { background: var(--card); border: 2px solid var(--border); border-radius: 10px; padding: 12px 15px; text-align: center; min-width: 100px; }
.ln.on { border-color: var(--accent); background: rgba(79,70,229,.04); }
.ln-icon { font-size: 17px; margin-bottom: 4px; }
.ln-title { font-size: 11px; font-weight: 700; }
.ln-sub { font-size: 10px; color: var(--muted); margin-top: 2px; }
.la { font-size: 15px; color: #D1D5DB; margin: 0 3px; }

/* PRINCIPLE */
.pg { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.pc { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 13px; }
.pc-head { font-size: 11px; font-weight: 700; color: var(--accent); margin-bottom: 5px; }
.pc-body { font-size: 12px; color: var(--muted); line-height: 1.65; }

/* SKILL */
.sg { display: grid; grid-template-columns: repeat(3,1fr); gap: 11px; }
.sb { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 15px 17px; }
.sb-title { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 9px; }
.stags { display: flex; flex-wrap: wrap; gap: 4px; }
.st { font-size: 11px; padding: 3px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 5px; color: var(--sub); font-weight: 500; }

/* STUDY */
.study { background: var(--card); border: 1px solid rgba(79,70,229,.2); border-radius: 10px; padding: 18px 22px; margin-top: 12px; }
.study-title { font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.study-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.study-col { font-size: 12px; color: var(--muted); line-height: 1.75; }

/* WHY */
.why { background: linear-gradient(155deg,#0F172A 0%,#1E1B4B 100%); border-radius: 16px; padding: 34px; color: #fff; }
.why-h { font-size: 19px; font-weight: 800; margin-bottom: 5px; }
.why-sub-text { font-size: 13px; color: #475569; margin-bottom: 24px; }
.ws-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; margin-bottom: 18px; }
.ws { background: rgba(79,70,229,.1); border: 1px solid rgba(99,102,241,.2); border-radius: 8px; padding: 13px; }
.ws-icon { font-size: 15px; margin-bottom: 5px; }
.ws-title { font-size: 12px; font-weight: 700; color: #A5B4FC; margin-bottom: 3px; }
.ws-desc { font-size: 11px; color: #64748B; line-height: 1.6; }
.wr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.wr { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 8px; padding: 15px; }
.wr-icon { font-size: 17px; margin-bottom: 5px; }
.wr-title { font-size: 13px; font-weight: 700; color: #E2E8F0; margin-bottom: 5px; }
.wr-desc { font-size: 12px; color: #64748B; line-height: 1.65; }
.wcta { margin-top: 18px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 9px; padding: 16px 18px; }
.wcta-label { font-size: 12px; font-weight: 700; color: #A5B4FC; margin-bottom: 6px; }
.wcta-text { font-size: 13px; color: #64748B; line-height: 1.75; }
.wcta-text strong { color: #CBD5E1; }

/* CTA BUTTON */
.cta-row { display: flex; justify-content: flex-end; margin-top: 14px; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: #2563EB; color: #fff;
  font-size: 12px; font-weight: 600;
  padding: 8px 16px; border-radius: 20px;
  text-decoration: none; transition: background .15s;
  border: none; cursor: pointer;
}
.cta-btn:hover { background: #1D4ED8; }
.cta-btn svg { width: 13px; height: 13px; flex-shrink: 0; }

/* FOOTER */
.footer { background: #0F172A; color: #fff; text-align: center; padding: 30px 40px; }
.footer-name { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.footer-sub { font-size: 12px; color: #374151; }

@media (max-width:640px) {
  .hero { padding: 44px 20px 36px; }
  .hero h1 { font-size: 27px; }
  .kpi-inner { grid-template-columns: repeat(2,1fr); }
  .container { padding: 36px 18px 56px; }
  .g2, .g2w, .g3, .ws-grid, .wr-grid, .sg, .study-grid, .pg { grid-template-columns: 1fr; }
}