/* ============================================================================
   Vessel6 — Institutional Due-Diligence Intelligence
   Design language: warm document paper · deep navy · brass gold
   Type: Noto Serif KR (display) · Pretendard (text) · IBM Plex Mono (figures)
   ========================================================================== */

:root {
  /* Ink & navy */
  --ink: #0b1420;
  --navy: #0e1c31;
  --navy-2: #142742;
  --navy-3: #1c3a63;
  --navy-text: #e9edf4;
  --navy-mute: #93a1b5;

  /* Brass / gold */
  --gold: #a8842f;
  --gold-2: #c9a75a;
  --gold-3: #e3cd96;
  --gold-pale: #f2e8cf;

  /* Paper */
  --paper: #f7f5ee;
  --paper-2: #f0ede3;
  --paper-3: #e7e3d6;
  --card: #ffffff;

  /* Lines */
  --line: #dcd6c6;
  --line-2: #c7c0ac;
  --line-dark: rgba(255, 255, 255, .13);

  /* Semantic */
  --text: #0b1420;
  --muted: #5f6874;
  --green: #1d7a4e;
  --amber: #a3761d;
  --orange: #b0561d;
  --red: #9e3530;
  --blue: #1d4e89;

  --maxw: 1180px;
  --head-h: 102px;
  --shadow: 0 18px 44px -22px rgba(11, 20, 32, .38);
  --shadow-lg: 0 34px 80px -34px rgba(11, 20, 32, .5);

  --serif: "Noto Serif KR", "Times New Roman", Times, serif;
  --sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
          "Malgun Gothic", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); letter-spacing: -.01em; }
p { margin: 0 0 1em; }
a { color: inherit; }
img, svg { display: block; }
canvas { display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* Mono utility ------------------------------------------------------------- */
.mono, .stat-num, .ax-val, .grade-score, .panel-no, .spec b, .spec i,
.ticker, .topbar, .sec-num, .step-num, .tier-code, .panel-meta, .trust-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* ============================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 26px; border-radius: 3px;
  font-family: var(--sans); font-weight: 600; font-size: 14px;
  letter-spacing: .02em; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: .18s ease; white-space: nowrap;
}
.btn-lg { padding: 17px 34px; font-size: 15px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--navy); color: #fff; border-color: var(--navy);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .25);
}
.btn-primary:hover { background: var(--navy-2); border-color: var(--navy-2); transform: translateY(-1px); }

.btn-outline { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-outline:hover { border-color: var(--ink); background: rgba(11, 20, 32, .04); }

.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: var(--gold-pale); border-color: var(--gold-pale); }

.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .38); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }

/* ============================================================================
   HEADER : utility strip + navigation
   ========================================================================== */
.site-head {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
}

.topbar {
  background: var(--ink); color: rgba(255, 255, 255, .68);
  font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px; height: 34px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-brand { color: var(--gold-2); }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; }
.topbar-item.sep { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, .16); }
.topbar-item b { color: #fff; font-weight: 500; }

.pulse {
  width: 6px; height: 6px; border-radius: 50%; background: #35c07f;
  box-shadow: 0 0 0 0 rgba(53, 192, 127, .6); animation: pulse 2.2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 7px rgba(53, 192, 127, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 192, 127, 0); }
}

.nav {
  background: rgba(247, 245, 238, .93);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 28px; height: 68px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.logo {
  display: flex; align-items: center; gap: 11px;
  text-decoration: none; color: var(--ink);
}
.logo svg { color: var(--gold); flex: none; }
.logo-word { font-family: var(--serif); font-weight: 700; font-size: 21px; letter-spacing: -.02em; }
.logo-six { color: var(--gold); }
.logo-sub {
  font-family: var(--mono); font-size: 9px; letter-spacing: .22em;
  color: var(--muted); border-left: 1px solid var(--line-2); padding-left: 11px;
  align-self: center; margin-top: 2px;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: 13.5px; font-weight: 500; letter-spacing: -.01em;
  padding: 8px 12px; border-radius: 2px; transition: .16s;
}
.nav-links a:hover { color: var(--ink); background: rgba(11, 20, 32, .05); }
.nav-cta {
  margin-left: 12px; padding: 10px 20px !important; font-size: 13px !important;
  background: var(--navy); color: #fff !important;
}
.nav-cta:hover { background: var(--navy-2) !important; color: #fff !important; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--ink); margin: 5px 0; transition: .3s; }

/* ============================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative; overflow: hidden;
  padding: calc(var(--head-h) + 76px) 0 0;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(201, 167, 90, .17), transparent 62%),
    radial-gradient(760px 460px at -6% 34%, rgba(28, 58, 99, .1), transparent 60%),
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(11, 20, 32, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 20, 32, .05) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 20%, #000 25%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 50% 20%, #000 25%, transparent 78%);
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px;
  align-items: center; padding-bottom: 68px;
}

.hero-kicker {
  display: flex; align-items: center; gap: 14px; margin: 0 0 22px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--gold);
}
.kicker-label {
  font-family: var(--sans); font-size: 15px; font-weight: 600;
  letter-spacing: .02em; text-transform: none;
}

.hero-content h1 {
  font-size: clamp(34px, 4.4vw, 54px); line-height: 1.24; font-weight: 700;
  letter-spacing: -.028em; margin: 0 0 24px;
}
.highlight {
  color: var(--gold);
  background-image: linear-gradient(transparent 68%, rgba(201, 167, 90, .26) 68%);
}

.hero-sub {
  font-size: 17.5px; color: var(--muted); max-width: 540px;
  margin: 0 0 34px; line-height: 1.8;
}
.hero-sub strong { color: var(--ink); font-weight: 600; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 46px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-2);
}
.stat { padding: 20px 16px 0 0; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-num {
  display: block; font-size: 30px; font-weight: 600; color: var(--ink);
  line-height: 1.05; letter-spacing: -.03em;
}
.stat-num i { font-style: normal; font-size: 17px; color: var(--gold); margin-left: 1px; }
.stat-label {
  display: block; font-size: 11.5px; color: var(--muted); margin-top: 7px;
  letter-spacing: .01em; line-height: 1.5;
}

/* --- Assessment panel (dark) --- */
.hero-panel {
  background: linear-gradient(160deg, var(--navy-2) 0%, var(--navy) 58%, #0a1526 100%);
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: var(--shadow-lg);
  color: var(--navy-text);
  position: relative;
}
.hero-panel::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-2) 45%, transparent 100%);
}

.panel-top {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px; border-bottom: 1px solid var(--line-dark);
  font-family: var(--mono); font-size: 10px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--navy-mute);
}
.panel-live {
  display: inline-flex; align-items: center; gap: 6px;
  color: #5edda3; border: 1px solid rgba(94, 221, 163, .35);
  padding: 3px 8px;
}
.panel-title { color: var(--gold-2); }
.panel-no { margin-left: auto; letter-spacing: .1em; }

.panel-body {
  display: grid; grid-template-columns: 1fr auto; gap: 8px;
  align-items: center; padding: 22px 22px 6px;
}
.panel-radar { width: 260px; margin: 0 auto; }
.panel-radar canvas { width: 100%; height: auto; }

.panel-grade { text-align: right; padding-right: 4px; }
.grade-label {
  display: block; font-family: var(--mono); font-size: 9.5px;
  letter-spacing: .2em; color: var(--navy-mute); margin-bottom: 10px;
}
.grade-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 74px; height: 74px; border: 2px solid var(--gold-2);
  color: var(--gold-2); font-family: var(--serif); font-size: 42px;
  font-weight: 700; line-height: 1; border-radius: 50%;
  box-shadow: inset 0 0 0 5px rgba(201, 167, 90, .12);
}
.grade-score {
  display: block; font-size: 34px; font-weight: 600; letter-spacing: -.03em;
  margin-top: 12px; color: #fff;
}
.grade-score span { font-size: 15px; color: var(--navy-mute); font-weight: 400; }
.grade-note {
  display: inline-block; margin-top: 8px; font-family: var(--mono);
  font-size: 9.5px; letter-spacing: .1em; color: var(--gold-3);
  border: 1px solid rgba(201, 167, 90, .4); padding: 3px 7px;
}

.panel-axes { padding: 18px 22px; display: flex; flex-direction: column; gap: 9px; }
.bar-row { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.bar-row .ax {
  font-family: var(--mono); font-size: 10.5px; color: var(--gold-2);
  width: 20px; letter-spacing: .06em;
}
.bar-row .ax-name { width: 78px; color: var(--navy-mute); font-size: 12px; }
.bar-row .bar { flex: 1; height: 5px; background: rgba(255, 255, 255, .09); overflow: hidden; }
.bar-row .bar i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-3));
}
.bar-row .ax-val {
  width: 40px; text-align: right; font-size: 12px; color: #fff; font-weight: 500;
}

.panel-meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark); padding: 12px 20px;
  font-size: 10px; letter-spacing: .06em; color: var(--navy-mute);
}
.panel-meta i {
  display: block; font-style: normal; font-size: 8.5px; letter-spacing: .18em;
  color: rgba(147, 161, 181, .62); margin-bottom: 3px;
}
.panel-meta span b, .panel-meta span { color: var(--navy-text); font-weight: 500; }

/* --- Ticker --- */
.ticker {
  position: relative; overflow: hidden;
  background: var(--ink); border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 11px 0;
}
.ticker::before, .ticker::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 70px; z-index: 2; pointer-events: none;
}
.ticker::before { left: 0; background: linear-gradient(90deg, var(--ink), transparent); }
.ticker::after { right: 0; background: linear-gradient(270deg, var(--ink), transparent); }
.ticker-track { display: flex; width: max-content; animation: tick 44s linear infinite; }
.ticker-group { display: flex; }
.tick {
  display: inline-flex; align-items: baseline; gap: 8px;
  padding: 0 30px; border-right: 1px solid rgba(255, 255, 255, .12);
  font-size: 11px; letter-spacing: .1em; white-space: nowrap;
}
.tick i { font-style: normal; color: rgba(255, 255, 255, .42); font-size: 10px; letter-spacing: .18em; }
.tick b { color: var(--gold-2); font-weight: 500; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ============================================================================
   ASSURANCE STRIP
   ========================================================================== */
.trust { background: var(--paper-2); border-bottom: 1px solid var(--line); padding: 0; }
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line);
}
.trust-item {
  position: relative; padding: 40px 28px 42px;
  border-right: 1px solid var(--line);
}
.trust-num {
  position: absolute; top: 18px; right: 20px;
  font-size: 11px; color: var(--line-2); letter-spacing: .1em;
}
.trust-item svg { width: 34px; height: 34px; color: var(--gold); margin-bottom: 18px; }
.trust-h { display: block; font-family: var(--serif); font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.trust-d { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ============================================================================
   SECTION BASE
   ========================================================================== */
.section { padding: 104px 0; }
.section-alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-header { margin-bottom: 56px; max-width: 780px; }
.sec-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.sec-num {
  font-size: 13px; font-weight: 600; color: var(--gold); letter-spacing: .1em;
}
.sec-rule { flex: 1; max-width: 90px; height: 1px; background: var(--line-2); }
.sec-label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .24em;
  text-transform: uppercase; color: var(--muted);
}
.section-header h2 {
  font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; line-height: 1.3;
  margin: 0; letter-spacing: -.024em;
}
.section-header h2 strong { color: var(--gold); font-weight: 700; }
.sec-sub { color: var(--muted); font-size: 16.5px; margin-top: 16px; line-height: 1.8; }

.card-label {
  display: inline-block; font-family: var(--mono); font-size: 9.5px;
  letter-spacing: .22em; color: var(--gold); text-transform: uppercase;
  margin-bottom: 12px;
}

/* ============================================================================
   01 · PROBLEM / SOLUTION
   ========================================================================== */
.problem-solution {
  display: grid; grid-template-columns: 1fr 60px 1fr; gap: 0; align-items: stretch;
}
.problem-card, .solution-card {
  background: var(--card); border: 1px solid var(--line);
  padding: 34px 32px 30px; box-shadow: var(--shadow);
}
.problem-card { border-top: 3px solid var(--muted); }
.solution-card { border-top: 3px solid var(--gold); background: linear-gradient(180deg, rgba(242, 232, 207, .34), #fff 130px); }

.problem-card h3, .solution-card h3 {
  font-size: 20px; margin: 0 0 22px; font-weight: 600;
}

.ledger { border-top: 1px solid var(--line); }
.ledger-row {
  display: grid; grid-template-columns: 96px 1fr; gap: 16px;
  padding: 13px 0; border-bottom: 1px solid var(--line);
  font-size: 14.5px; line-height: 1.6;
}
.ledger-k {
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em;
  color: var(--muted); text-transform: uppercase; padding-top: 3px;
}
.ledger-v { color: var(--text); }
.problem-card .ledger-v { color: var(--muted); }

.vs-divider {
  display: flex; align-items: center; justify-content: center;
  background: var(--ink);
}
.vs-divider span {
  font-family: var(--mono); color: var(--gold-2); font-size: 13px;
  letter-spacing: .16em; writing-mode: vertical-rl;
}

/* ============================================================================
   02 · PIPELINE
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  position: relative; background: var(--card); border: 1px solid var(--line);
  padding: 32px 28px 30px; box-shadow: var(--shadow);
}
.step::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--navy) 0%, var(--gold) 100%);
  transform: scaleX(0); transform-origin: left; transition: transform .7s ease .1s;
}
.step.visible::before { transform: scaleX(1); }

.step-num {
  font-size: 34px; font-weight: 600; color: var(--paper-3);
  line-height: 1; letter-spacing: -.04em; margin-bottom: 14px;
}
.step-phase {
  display: block; font-family: var(--mono); font-size: 10px;
  letter-spacing: .24em; color: var(--gold); margin-bottom: 8px;
}
.step h3 { font-size: 19px; margin: 0 0 12px; font-weight: 600; }
.step p { color: var(--muted); font-size: 14.5px; line-height: 1.75; margin-bottom: 18px; }
.step-detail { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-family: var(--mono); font-size: 10.5px; padding: 4px 9px;
  background: var(--paper-2); color: var(--muted);
  border: 1px solid var(--line); letter-spacing: .02em;
}

.spec-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  margin-top: 34px; background: var(--ink); border: 1px solid var(--ink);
}
.spec { padding: 20px 24px; border-right: 1px solid rgba(255, 255, 255, .11); }
.spec:last-child { border-right: 0; }
.spec i {
  display: block; font-style: normal; font-size: 9.5px; letter-spacing: .2em;
  color: var(--gold-2); margin-bottom: 7px;
}
.spec b { color: rgba(255, 255, 255, .84); font-weight: 400; font-size: 12.5px; letter-spacing: .02em; }

/* ============================================================================
   03 · SECURE INTAKE / DEMO
   ========================================================================== */
.demo-card { max-width: 760px; margin: 0 auto; }

.demo-upload {
  background: var(--navy); border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: var(--shadow-lg); padding: 0; color: var(--navy-text);
  position: relative;
}
.demo-upload::before {
  content: ''; position: absolute; inset: 7px; border: 1px dashed rgba(201, 167, 90, .34);
  pointer-events: none;
}

.upload-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 24px; border-bottom: 1px solid var(--line-dark);
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
}
.upload-lock { display: inline-flex; align-items: center; gap: 9px; color: var(--gold-2); }
.upload-chan { color: var(--navy-mute); }

.upload-drop {
  display: flex; align-items: center; gap: 22px; cursor: pointer;
  margin: 30px 34px 6px; padding: 30px 28px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(255, 255, 255, .14);
  transition: .2s;
}
.upload-drop:hover {
  background: rgba(201, 167, 90, .1);
  border-color: rgba(201, 167, 90, .55);
}
.upload-icon { color: var(--gold-2); flex: none; }
.upload-text b { display: block; font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 5px; }
.upload-text small { display: block; font-family: var(--mono); font-size: 11px; color: var(--navy-mute); letter-spacing: .08em; }

.demo-upload input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.upload-foot { padding: 24px 34px 32px; text-align: center; }
.upload-foot .btn-primary {
  background: var(--gold); border-color: var(--gold); color: #14100a;
  font-weight: 700; min-width: 240px;
}
.upload-foot .btn-primary:hover { background: var(--gold-2); border-color: var(--gold-2); }
.demo-hint {
  margin: 16px 0 0; font-family: var(--mono); font-size: 11px;
  color: var(--navy-mute); letter-spacing: .04em;
}

.demo-result {
  margin-top: 24px; padding: 28px; background: var(--card);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  animation: slideUp .35s ease;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.result-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 8px; }
.result-header h3 { font-size: 21px; margin: 0; }
.result-grade {
  padding: 10px 22px; font-family: var(--serif); font-weight: 700;
  font-size: 17px; color: #fff; letter-spacing: .02em; border-radius: 2px;
}
.result-grade.A { background: var(--green); }
.result-grade.B { background: var(--blue); }
.result-grade.C { background: var(--amber); }
.result-grade.D { background: var(--orange); }
.result-grade.E { background: var(--red); }

.result-radar { height: 230px; margin: 18px 0; display: flex; justify-content: center; }
.result-radar canvas { max-width: 100%; }

.result-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin: 22px 0;
}
.result-metric { background: var(--card); padding: 16px 10px; text-align: center; }
.result-metric .val {
  display: block; font-family: var(--mono); font-size: 25px; font-weight: 500;
  color: var(--ink); letter-spacing: -.02em; line-height: 1.2;
}
.result-metric .lbl {
  display: block; font-family: var(--mono); font-size: 10px;
  color: var(--muted); letter-spacing: .16em; margin-top: 6px; text-transform: uppercase;
}
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.spinner {
  width: 16px; height: 16px; border: 2px solid rgba(0, 0, 0, .25);
  border-top-color: currentColor; border-radius: 50%;
  animation: spin .8s linear infinite; display: inline-block; margin-left: 6px;
  vertical-align: -3px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================================
   04 · PRICING
   ========================================================================== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.pricing-card {
  position: relative; background: var(--card); border: 1px solid var(--line);
  padding: 34px 30px 32px; transition: .25s ease; box-shadow: var(--shadow);
}
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pricing-card.popular {
  border-color: var(--gold); box-shadow: var(--shadow-lg);
  background: linear-gradient(180deg, rgba(242, 232, 207, .5), #fff 210px);
}
.pricing-card.popular::before {
  content: ''; position: absolute; top: -1px; left: -1px; right: -1px; height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-3));
}
.pricing-card header { padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.tier-code {
  display: block; font-size: 10px; letter-spacing: .2em; color: var(--gold);
  margin-bottom: 12px;
}
.pricing-card h3 { font-size: 23px; margin: 0 0 12px; font-weight: 600; }
.price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.price .amount {
  font-family: var(--mono); font-size: 33px; font-weight: 500;
  color: var(--ink); letter-spacing: -.03em;
}
.price .period { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.pricing-card header p { margin: 0; color: var(--muted); font-size: 13.5px; }

.pricing-card ul { list-style: none; padding: 0; margin: 0 0 26px; }
.pricing-card li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 0; font-size: 14.5px; border-bottom: 1px dotted var(--line);
}
.pricing-card li:last-child { border-bottom: 0; }
.pricing-card li::before {
  content: '✓'; color: var(--gold); font-weight: 700; font-size: 13px; line-height: 1.7;
}

.pricing-note {
  margin-top: 34px; padding: 26px 30px; background: var(--card);
  border: 1px solid var(--line); border-left: 3px solid var(--navy);
  font-size: 14.5px; color: var(--muted);
}
.pricing-note p { margin: 6px 0; }
.pricing-note strong { color: var(--ink); font-weight: 600; }

/* ============================================================================
   05 · TECHNOLOGY / TEAM
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.about-card {
  background: var(--card); border: 1px solid var(--line); padding: 32px 28px;
  box-shadow: var(--shadow);
}
.about-card h3 { font-size: 20px; margin: 0 0 20px; font-weight: 600; }

.spec-list { margin: 0; border-top: 1px solid var(--line); }
.spec-list > div {
  display: grid; grid-template-columns: 84px 1fr; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.spec-list dt {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em;
  color: var(--gold); text-transform: uppercase; padding-top: 3px;
}
.spec-list dd { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ============================================================================
   CTA
   ========================================================================== */
.cta-section {
  padding: 96px 0;
  background:
    radial-gradient(700px 340px at 50% 0%, rgba(201, 167, 90, .16), transparent 65%),
    var(--navy);
  border-top: 3px solid var(--gold);
}
.cta-card { max-width: 760px; margin: 0 auto; text-align: center; color: var(--navy-text); }
.seal { display: flex; justify-content: center; margin-bottom: 22px; color: var(--gold-2); opacity: .85; }
.cta-kicker {
  font-family: var(--mono); font-size: 11px; letter-spacing: .3em;
  color: var(--gold-2); margin-bottom: 16px;
}
.cta-card h2 {
  color: #fff; font-size: clamp(27px, 3.6vw, 40px); font-weight: 700;
  line-height: 1.35; margin: 0 0 16px; letter-spacing: -.025em;
}
.cta-card h2 strong { color: var(--gold-2); font-weight: 700; }
.cta-sub { color: var(--navy-mute); font-size: 17px; margin-bottom: 34px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-fine {
  margin: 30px 0 0; font-family: var(--mono); font-size: 11px;
  letter-spacing: .06em; color: rgba(147, 161, 181, .78);
}

/* ============================================================================
   FOOTER
   ========================================================================== */
.footer { background: var(--ink); color: rgba(255, 255, 255, .55); padding: 64px 0 30px; }
.footer-grid {
  display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-logo {
  font-family: var(--serif); font-weight: 700; font-size: 24px;
  color: #fff; text-decoration: none; display: inline-block; margin-bottom: 16px;
}
.footer-logo span { color: var(--gold-2); }
.footer-desc { font-size: 14px; line-height: 1.8; margin-bottom: 16px; }
.footer-addr { font-family: var(--mono); font-size: 12px; line-height: 1.9; color: rgba(255, 255, 255, .42); }
.footer h4 {
  color: #fff; font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase; margin: 0 0 18px;
  padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 11px; }
.footer a { color: rgba(255, 255, 255, .55); text-decoration: none; font-size: 14px; transition: .16s; }
.footer a:hover { color: var(--gold-2); }

.disclaimer {
  margin: 30px 0 0; font-size: 11.5px; line-height: 1.85;
  color: rgba(255, 255, 255, .34); padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; padding-top: 24px; font-size: 12px;
}
.footer-bottom p { margin: 0; }
.footer-meta { display: flex; gap: 20px; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: rgba(255, 255, 255, .36); }

/* ============================================================================
   REVEAL ANIMATION (progressive enhancement)
   ========================================================================== */
.js .section-header, .js .step, .js .pricing-card, .js .about-card,
.js .trust-item, .js .problem-card, .js .solution-card {
  opacity: 0; transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.js .section-header.visible, .js .step.visible, .js .pricing-card.visible,
.js .about-card.visible, .js .trust-item.visible,
.js .problem-card.visible, .js .solution-card.visible {
  opacity: 1; transform: none;
}
.js .steps > *:nth-child(2), .js .pricing-grid > *:nth-child(2),
.js .about-grid > *:nth-child(2), .js .trust-grid > *:nth-child(2) { transition-delay: .1s; }
.js .steps > *:nth-child(3), .js .pricing-grid > *:nth-child(3),
.js .about-grid > *:nth-child(3), .js .trust-grid > *:nth-child(3) { transition-delay: .2s; }
.js .trust-grid > *:nth-child(4) { transition-delay: .3s; }

/* ============================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 46px; }
  .hero-panel { max-width: 560px; width: 100%; }
  .problem-solution { grid-template-columns: 1fr; }
  .vs-divider { padding: 14px; }
  .vs-divider span { writing-mode: horizontal-tb; }
  .steps, .pricing-grid, .about-grid { grid-template-columns: 1fr; }
  .spec-strip { grid-template-columns: 1fr; }
  .spec { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .11); }
  .spec:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pricing-card.popular { order: -1; }
}

@media (max-width: 860px) {
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat { border-bottom: 1px solid var(--line); padding-bottom: 18px; }
  .stat:nth-child(2n) { border-right: 0; }
}

@media (max-width: 720px) {
  :root { --head-h: 102px; }
  .nav-links {
    position: fixed; top: var(--head-h); left: 0; right: 0;
    background: var(--paper); flex-direction: column; align-items: stretch;
    padding: 10px 16px 20px; gap: 0;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; min-height: calc(100vh - var(--head-h)); }
  .nav-links a { padding: 14px 8px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 15px; }
  .nav-cta { margin: 16px 0 0 !important; text-align: center; border-bottom: 0 !important; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .logo-sub { display: none; }
  .topbar-inner { padding: 0 20px; gap: 14px; }
  .topbar-brand { display: none; }
  .topbar-right { flex: none; white-space: nowrap; gap: 14px; }
  .topbar-item.sep { padding-left: 14px; }
  .topbar-item.sep:last-child { display: none; }

  .hero { padding-top: calc(var(--head-h) + 46px); }
  .container { padding: 0 20px; }
  .section { padding: 74px 0; }
  .panel-body { grid-template-columns: 1fr; text-align: center; gap: 18px; }
  .panel-grade { text-align: center; padding: 0; }
  .panel-radar { width: 230px; }
  .upload-drop { flex-direction: column; text-align: center; margin: 22px 20px 4px; padding: 26px 18px; }
  .upload-foot { padding: 20px 20px 26px; }
  .upload-foot .btn-primary { width: 100%; }
  .result-metrics { grid-template-columns: 1fr 1fr; }
  .ledger-row { grid-template-columns: 1fr; gap: 3px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .btn-lg { padding: 15px 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  .js .section-header, .js .step, .js .pricing-card, .js .about-card,
  .js .trust-item, .js .problem-card, .js .solution-card {
    opacity: 1; transform: none; transition: none;
  }
}