:root {
  --bg: #060911;
  --bg-2: #0b1120;
  --panel: rgba(18, 26, 44, 0.72);
  --panel-solid: #111a2e;
  --line: rgba(120, 150, 210, 0.16);
  --text: #e7edf8;
  --muted: #8a99b8;
  --brand: #38bdf8;
  --brand-2: #818cf8;
  --accent: #34d399;
  --warn: #fbbf24;
  --danger: #fb7185;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Pretendard", "Pretendard Variable", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Segoe UI", "Malgun Gothic", system-ui, sans-serif;
  letter-spacing: -0.005em;
  background: radial-gradient(1200px 700px at 50% -10%, #122036 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 150, 210, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 150, 210, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(900px 600px at 50% 0%, #000 30%, transparent 75%);
}

section, header, footer { position: relative; z-index: 1; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(6, 9, 17, 0.7);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.brand-mark { display: inline-flex; color: var(--brand); }
.brand-mark svg { width: 22px; height: 22px; display: block; }
/* language toggle */
.lang-btn {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  font-weight: 600; font-size: 13px; padding: 7px 12px; border-radius: 9px; cursor: pointer;
  font-family: inherit; transition: color .2s, border-color .2s; min-width: 64px; white-space: nowrap; line-height: 1;
}
.lang-btn:hover { color: var(--text); border-color: var(--brand); }
.brand .x { color: var(--brand); margin: 0 2px; }
.brand-sub { color: var(--brand); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-gh {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #061018 !important; font-weight: 700 !important;
  padding: 8px 14px; border-radius: 9px;
}

/* HERO */
.hero { max-width: 1000px; margin: 0 auto; padding: 76px 24px 36px; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--line); background: var(--panel);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
.hero h1 { font-size: clamp(28px, 5vw, 50px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.12; }
.grad { background: linear-gradient(120deg, var(--brand) 10%, var(--brand-2) 55%, var(--accent) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--muted); font-size: 17px; max-width: 680px; margin: 22px auto 0; }
.okr { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 28px; }
.chip { font-size: 13px; color: var(--text); border: 1px solid var(--line); background: var(--panel); padding: 8px 14px; border-radius: 10px; }

/* CONTROLS */
.controls { max-width: 1180px; margin: 18px auto 0; padding: 0 24px; }
.ctrl-row {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 18px 22px;
}
.ctrl-time { flex: 1; min-width: 260px; }
.ctrl-time label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.ctrl-time strong { color: var(--brand); font-family: var(--mono); margin-left: 6px; }
#hourSlider { width: 100%; accent-color: var(--brand); height: 5px; cursor: pointer; }
.ctrl-meta { display: flex; gap: 10px; flex-wrap: wrap; }
.meta-pill { font-size: 12px; color: var(--muted); border: 1px solid var(--line); padding: 7px 12px; border-radius: 9px; }
.meta-pill b { color: var(--text); }

/* SECTION */
.sec-title { max-width: 1180px; margin: 64px auto 24px; padding: 0 24px; font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.sec-sub { font-size: 14px; color: var(--muted); font-weight: 400; margin-left: 8px; }

/* PIPELINE */
.flow { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; justify-content: center; }
.flow-step {
  flex: 1; min-width: 200px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 22px 18px; text-align: center;
}
.flow-ico { width: 48px; height: 48px; margin: 0 auto; display: grid; place-items: center; color: var(--brand); background: rgba(56,189,248,.07); border: 1px solid rgba(56,189,248,.18); border-radius: 14px; }
.flow-ico svg { width: 24px; height: 24px; }
.flow-name { font-weight: 700; margin-top: 10px; font-size: 15px; }
.flow-desc { color: var(--muted); font-size: 12.5px; margin-top: 5px; }
.flow-code { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: 12px; color: var(--brand); background: rgba(56,189,248,.08); border: 1px solid rgba(56,189,248,.2); padding: 5px 10px; border-radius: 8px; }
.flow-arrow { align-self: center; color: var(--brand-2); font-size: 24px; font-weight: 700; }

/* CITY SEARCH */
.city-search { max-width: 1180px; margin: 0 auto 16px; padding: 0 24px; position: relative; }
.city-search input {
  width: 100%; background: var(--panel); color: var(--text);
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px 14px 46px;
  font-size: 15px; font-family: inherit; outline: none; transition: border-color .2s;
}
.search-ico { position: absolute; left: 42px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; z-index: 1; }
.search-ico svg { width: 18px; height: 18px; display: block; }
.city-search input:focus { border-color: var(--brand); }
.city-search input::placeholder { color: var(--muted); }
.search-results {
  display: none; position: absolute; left: 24px; right: 24px; top: 60px; z-index: 30;
  background: var(--panel-solid); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; box-shadow: 0 20px 50px -15px rgba(0,0,0,.6);
}
.search-results .sres { padding: 11px 18px; font-size: 14px; cursor: pointer; display: flex; justify-content: space-between; }
.search-results .sres:hover { background: rgba(56,189,248,.1); }
.search-results .sres .cc { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.rcard-code .rm { color: var(--danger); cursor: pointer; }
.rcard-code .rm:hover { text-decoration: underline; }

/* REGION GRID */
.region-grid { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(auto-fill, minmax(216px, 1fr)); gap: 16px; }
.rcard {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px;
  cursor: pointer; transition: border-color .2s, transform .15s, box-shadow .2s;
}
.rcard:hover { transform: translateY(-3px); border-color: rgba(56,189,248,.5); box-shadow: 0 10px 30px -12px rgba(56,189,248,.35); }
.rcard.sel { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand) inset; }
.rcard-top { display: flex; justify-content: space-between; align-items: flex-start; }
.rcard-name { font-weight: 700; font-size: 15px; }
.rcard-code { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 2px; }
.rcard-temp { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.rcard-temp small { font-size: 14px; color: var(--muted); font-weight: 500; }
.rcard-cond { font-size: 13px; color: var(--brand); margin-top: 2px; }
.rcard-rows { margin-top: 14px; display: grid; gap: 7px; }
.rrow { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; }
.rrow .k { color: var(--muted); }
.rrow .v { font-weight: 600; }
.rrow .raw { font-family: var(--mono); font-size: 10.5px; color: var(--brand-2); margin-left: 7px; opacity: .85; }
.badge { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 6px; }
.b-good { background: rgba(52,211,153,.14); color: var(--accent); }
.b-warn { background: rgba(251,191,36,.14); color: var(--warn); }
.b-bad { background: rgba(251,113,133,.16); color: var(--danger); }

/* STRUCT */
.struct-sec { max-width: 1180px; margin: 18px auto 0; padding: 0 24px; }
.struct-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 16px; }
.struct-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.struct-card h3 { font-size: 15px; margin-bottom: 14px; }
.code-block { font-family: var(--mono); font-size: 12.5px; line-height: 1.7; color: #cdd8ee; white-space: pre; overflow-x: auto; }
.code-block .ty { color: var(--brand); }
.code-block .nm { color: #e7edf8; }
.code-block .vl { color: var(--accent); }
.code-block .cm { color: var(--muted); }
.scale-table { display: grid; gap: 9px; }
.srow { display: grid; grid-template-columns: 1.1fr auto auto auto; gap: 8px; align-items: center; font-size: 12.5px; }
.srow .f { color: var(--muted); }
.srow .fl { font-family: var(--mono); }
.srow .op { color: var(--brand-2); font-family: var(--mono); font-size: 11px; }
.srow .it { font-family: var(--mono); font-weight: 700; color: var(--accent); text-align: right; }

/* AGENTS */
.agent-grid { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.agent-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 22px; overflow: hidden; position: relative; }
.agent-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; }
.agent-card.energy::before { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.agent-card.agri::before { background: linear-gradient(90deg, #34d399, #10b981); }
.agent-card.logi::before { background: linear-gradient(90deg, #38bdf8, #818cf8); }
.agent-head { display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }
.agent-ico { width: 44px; height: 44px; display: grid; place-items: center; color: var(--brand); background: rgba(56,189,248,.07); border: 1px solid rgba(56,189,248,.18); border-radius: 12px; }
.agent-ico svg { width: 22px; height: 22px; }
.agent-name { font-weight: 700; font-size: 16px; }
.agent-tag { font-size: 12px; color: var(--muted); }
.agent-body { display: grid; gap: 11px; }
.metric { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; }
.metric .k { color: var(--muted); }
.metric .v { font-weight: 700; font-family: var(--mono); }
.big-num { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.big-num small { font-size: 13px; color: var(--muted); font-weight: 500; }
.decision { margin-top: 6px; padding: 12px 14px; border-radius: 12px; font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 9px; }
.decision .lbl { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; opacity: .7; }
.d-sell { background: rgba(52,211,153,.12); color: var(--accent); border: 1px solid rgba(52,211,153,.3); }
.d-hold { background: rgba(251,191,36,.1); color: var(--warn); border: 1px solid rgba(251,191,36,.28); }
.d-buy, .d-alert { background: rgba(251,113,133,.12); color: var(--danger); border: 1px solid rgba(251,113,133,.3); }
.d-ok { background: rgba(56,189,248,.1); color: var(--brand); border: 1px solid rgba(56,189,248,.28); }
.q-meter { font-size: 11.5px; color: var(--muted); font-family: var(--mono); }

/* SHOWCASE */
.showcase { max-width: 1180px; margin: 0 auto; padding: 56px 24px 0; }
.showcase-lead { color: var(--muted); font-size: 14px; max-width: 760px; margin: -6px 0 26px; line-height: 1.6; }
.showcase-sub { font-size: 15px; font-weight: 700; margin: 30px 0 14px; color: var(--text); letter-spacing: -0.01em; }
.showcase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sc-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.sc-head { display: flex; align-items: flex-start; gap: 11px; }
.sc-ic { flex: none; width: 38px; height: 38px; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center; color: var(--brand); background: rgba(56,189,248,.1); border: 1px solid rgba(56,189,248,.22); }
.sc-ic svg { width: 21px; height: 21px; display: block; }
.sc-prod { font-weight: 700; font-size: 13.5px; letter-spacing: -0.01em; }
.sc-loc { font-size: 12px; color: var(--muted); margin-top: 2px; }
.sc-use { font-size: 12.5px; color: var(--muted); line-height: 1.5; min-height: 36px; }
.sc-result { border-radius: 11px; padding: 10px 12px; display: flex; flex-direction: column; gap: 3px; }
.sc-sigrow { display: flex; align-items: center; gap: 6px; }
.sc-sevic { width: 14px; height: 14px; display: block; flex: none; }
.sc-sig { font-size: 11px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.sc-act { font-size: 13px; font-weight: 600; }
.sc-result.sev-ok { background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.28); color: var(--accent); }
.sc-result.sev-warn { background: rgba(251,191,36,.1); border: 1px solid rgba(251,191,36,.28); color: var(--warn); }
.sc-result.sev-alert { background: rgba(251,113,133,.12); border: 1px solid rgba(251,113,133,.3); color: var(--danger); }
.sc-result.sev-ok .sc-act, .sc-result.sev-warn .sc-act, .sc-result.sev-alert .sc-act { color: var(--text); }
.sc-rat { font-size: 11.5px; color: var(--muted); line-height: 1.5; }
.sc-tag { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); }
.sc-tag code { font-family: var(--mono); font-size: 10.5px; color: var(--brand); }

/* MONEY */
.money-grid { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.money-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.money-card.accent { background: linear-gradient(160deg, rgba(56,189,248,.12), rgba(129,140,248,.08)); border-color: rgba(56,189,248,.32); }
.money-k { color: var(--muted); font-size: 13px; }
.money-v { font-size: 34px; font-weight: 800; margin: 8px 0 6px; letter-spacing: -0.02em; }
.money-v span { font-size: 14px; color: var(--muted); font-weight: 500; }
.money-d { font-size: 13px; color: var(--muted); }

/* FOOTER */
.footer { margin-top: 80px; border-top: 1px solid var(--line); background: rgba(6,9,17,.6); }
.footer-inner { max-width: 1180px; margin: 0 auto; padding: 40px 24px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.f-brand { font-weight: 800; font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.f-ico { display: inline-flex; color: var(--brand); }
.f-ico svg { width: 20px; height: 20px; display: block; }
.f-note { color: var(--muted); font-size: 12.5px; max-width: 640px; }
.f-gh { color: var(--brand); text-decoration: none; font-weight: 700; font-size: 14px; border: 1px solid var(--line); padding: 11px 18px; border-radius: 11px; white-space: nowrap; }
.f-gh:hover { background: var(--panel); }

@media (max-width: 1080px) { .showcase-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) {
  .struct-grid, .agent-grid, .money-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-gh) { display: none; }
  .flow-arrow { transform: rotate(90deg); }
}
@media (max-width: 560px) { .showcase-grid { grid-template-columns: 1fr; } }