/* ==========================================================================
   Assentra marketing site — the app's palette and type:
   midnight ink on warm paper, iris for actions, seal gold for signing.
   ========================================================================== */

:root {
  --ink: #1B1F3B;
  --ink-soft: #2A2F55;
  --paper: #F7F6F2;
  --paper-2: #EFEDE6;
  --surface: #FFFFFF;
  --tint: #E4E4FB;
  --iris: #5B5BD6;
  --iris-soft: #ECECFD;
  --gold: #C9A24A;
  --gold-soft: #F6EED9;
  --success: #2F7D57;
  --success-soft: #E3F1E9;
  --ins: #1D6E8C;
  --ins-soft: #E2F0F5;
  --del: #C0392B;

  --border: rgba(27, 31, 59, 0.12);
  --border-strong: rgba(27, 31, 59, 0.22);
  --muted: rgba(27, 31, 59, 0.62);

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(27, 31, 59, 0.04), 0 10px 30px rgba(27, 31, 59, 0.07);
  --shadow-lg: 0 2px 4px rgba(27, 31, 59, 0.04), 0 24px 60px rgba(27, 31, 59, 0.12);

  --font-display: "Fraunces", Georgia, serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-hand: "Caveat", "Segoe Script", cursive;

  --mark-cut: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 650; letter-spacing: -0.015em; line-height: 1.12; }
h2 { font-size: clamp(30px, 4vw, 42px); }
h3 { font-size: 20px; }
p { margin: 0; }
::selection { background: var(--tint); }
:focus-visible { outline: 2px solid var(--iris); outline-offset: 3px; border-radius: 6px; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.row { display: flex; gap: 12px; align-items: center; }
.wrap { flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 13.5px; }
.strong { font-weight: 700; }
.nowrap { white-space: nowrap; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11px; }

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.rule-accent {
  border: none; width: 40px; height: 2px; color: var(--gold); margin: 18px 0 14px;
  background-image: linear-gradient(to right, currentColor 50%, transparent 50%);
  background-size: 10px 2px; background-repeat: repeat-x;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 22px; border-radius: 999px;
  font-weight: 650; font-size: 15px; border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--iris); }
.btn-ghost { border-color: var(--border-strong); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 246, 242, 0.86);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-row { height: 68px; display: flex; align-items: center; gap: 32px; }
.brandmark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brandmark .mark { width: 30px; height: 30px; flex: none; }
.wordmark { font-family: var(--font-display); font-weight: 650; font-size: 22px; letter-spacing: -0.02em; line-height: 1; }
.nav { display: flex; gap: 26px; margin-right: auto; }
.nav a { font-size: 14.5px; font-weight: 600; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.topbar-actions { display: flex; align-items: center; gap: 20px; }
.link-quiet { font-size: 14.5px; font-weight: 600; color: var(--muted); }
.link-quiet:hover { color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: 84px 0 96px; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(600px 360px at 85% 20%, rgba(91, 91, 214, 0.10), transparent 70%),
    radial-gradient(500px 300px at 70% 90%, rgba(201, 162, 74, 0.12), transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.2vw, 62px); margin: 18px 0 22px; letter-spacing: -0.025em; }
.hero h1 em { font-style: italic; font-weight: 500; color: var(--iris); }
.lede { font-size: 18.5px; color: var(--muted); max-width: 33em; margin-bottom: 32px; }
.hero-points { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 8px; }
.hero-points li { font-size: 14.5px; color: var(--muted); padding-left: 22px; position: relative; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 2px;
  background: var(--gold); border-radius: 2px;
}

.hero-visual { position: relative; padding: 20px 30px 40px 0; }
.paper {
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
  box-shadow: var(--shadow-lg); padding: 30px 34px 34px;
  transform: rotate(-1.2deg);
}
.paper-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 12px; }
.stage-chip {
  font-size: 11.5px; font-weight: 700; letter-spacing: .04em; padding: 4px 10px; border-radius: 999px;
  background: var(--ins-soft); color: var(--ins);
}
.stage-chip-iris { background: var(--iris-soft); color: var(--iris); }
.paper-title { font-size: 22px; margin-bottom: 14px; }
.paper-text { font-family: "Times New Roman", Times, serif; font-size: 15.5px; line-height: 1.6; margin-bottom: 10px; color: #222; }
ins { text-decoration: underline; text-decoration-color: var(--ins); color: var(--ins); background: var(--ins-soft); }
del { color: var(--del); text-decoration-thickness: 1.5px; }
.paper-lines { display: grid; gap: 9px; margin: 18px 0 22px; }
.paper-lines i { display: block; height: 7px; border-radius: 4px; background: var(--paper-2); }
.sig-block { display: grid; gap: 3px; margin-left: auto; width: 78%; color: #333; }
.sig-line { display: flex; align-items: flex-end; justify-content: space-between; border-bottom: 1.5px solid var(--ink); margin: 8px 0 6px; padding-bottom: 2px; }
.sig { font-family: var(--font-hand); font-size: 34px; line-height: 1; color: var(--ink); }
.sig-ref { color: var(--muted); padding-bottom: 4px; }

.float-card {
  position: absolute; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 14px 16px;
}
.change-card { top: -6px; right: -6px; width: 240px; display: grid; gap: 8px; }
.change { display: flex; gap: 8px; align-items: center; font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 99px; flex: none; }
.ins-dot { background: var(--ins); }
.gold-dot { background: var(--gold); }
.change-actions { display: flex; gap: 6px; }
.pill {
  font-size: 12px; font-weight: 650; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--border-strong); color: var(--muted); white-space: nowrap;
}
.pill-ok { background: var(--success-soft); color: var(--success); border-color: transparent; }
.pill-wait { background: var(--gold-soft); color: #8A6A1F; border-color: transparent; }
.sealed-card { left: -28px; bottom: 0; display: flex; gap: 12px; align-items: center; }
.seal-icon { width: 36px; height: 36px; color: var(--ink); }

/* ---------- sections ---------- */
section { padding: 104px 0; }
.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head h2 { margin: 12px 0 14px; }
.section-head p { font-size: 17px; }

/* lifecycle */
.lifecycle { background: var(--surface); border-block: 1px solid var(--border); }
.stages {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 0;
  counter-reset: stage;
}
.stages li { position: relative; padding: 34px 16px 0 0; counter-increment: stage; }
.stages li::before {
  content: counter(stage); position: absolute; top: 0; left: 0; z-index: 1;
  width: 22px; height: 22px; border-radius: 99px; display: grid; place-items: center;
  font-size: 11px; font-weight: 700; background: var(--ink); color: var(--paper);
}
.stages li::after {
  content: ""; position: absolute; top: 10px; left: 22px; right: 0; height: 2px;
  background-image: linear-gradient(to right, var(--border-strong) 50%, transparent 50%);
  background-size: 8px 2px;
}
.stages li:last-child::after { display: none; }
.stages li.gold::before { background: var(--gold); color: var(--ink); }
.stages b { display: block; font-family: var(--font-display); font-size: 17px; font-weight: 650; margin-bottom: 6px; }
.stages span { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.5; }

/* pillars */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow);
}
.card h3 { margin: 18px 0 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--iris-soft);
  display: grid; place-items: center;
}
.card-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--iris); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* features */
.feature-alt { background: var(--paper-2); }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.feature-grid.reverse > :first-child { order: 2; }
.feature h2 { margin: 12px 0 16px; }
.feature p { font-size: 17px; }
.checks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 30px; font-size: 15.5px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 99px;
  background: var(--gold-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4.5 8.2 2.2 2.2 4.8-4.8' fill='none' stroke='%23A07F2E' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
}

.sigpage {
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px; box-shadow: var(--shadow-lg);
  padding: 40px 40px 26px; font-family: "Times New Roman", Times, serif; color: #222; font-size: 15px;
}
.sigpage-witness { margin-bottom: 30px; text-indent: 2em; line-height: 1.6; }
.sigpage-block { display: grid; gap: 4px; margin-left: 22%; line-height: 1.45; }
.sigpage-line { display: flex; align-items: flex-end; gap: 8px; margin: 12px 0 6px; }
.sigpage-line .by { padding-bottom: 6px; }
.stamp {
  flex: 1; border-left: 2px solid var(--gold); border-bottom: 2px solid var(--gold);
  border-radius: 0 0 0 8px; padding: 2px 0 2px 12px; display: grid;
}
.stamp-label { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-sans); font-size: 10.5px; font-weight: 600; color: var(--muted); }
.stamp-label svg { width: 13px; height: 13px; color: var(--ink); }
.sigpage-foot { text-align: center; font-size: 12.5px; color: #666; margin-top: 34px; }

.approval, .switcher {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 22px;
}
.approval-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; }
.approver, .org {
  display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center;
  padding: 12px 6px; border-top: 1px solid var(--border);
}
.approver b, .org b { display: block; font-size: 14.5px; font-weight: 650; }
.approver .muted, .org .muted { display: block; }
.avatar {
  width: 36px; height: 36px; border-radius: 99px; display: grid; place-items: center;
  border: 1px solid var(--border-strong); font-size: 12px; font-weight: 700;
}
.approval-note { display: flex; gap: 10px; align-items: center; border-top: 1px solid var(--border); padding: 14px 6px 2px; color: var(--muted); }

.switcher-head { padding: 0 6px 12px; }
.org { border-radius: 10px; border-top: none; padding: 12px; }
.org.active { background: var(--iris-soft); }
.org-badge {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: var(--ink); color: var(--paper); font-weight: 700; font-size: 13px;
}
.org-badge.b2 { background: var(--iris); }
.org-badge.b3 { background: var(--gold); color: var(--ink); }
.check { color: var(--iris); font-weight: 700; }

/* security */
.security { background: var(--ink); color: var(--paper); --mark-cut: var(--ink); }
.on-dark .eyebrow { color: var(--gold); }
.on-dark p { color: rgba(247, 246, 242, 0.7); }
.sec-grid { gap: 0; border-top: 1px solid rgba(247, 246, 242, 0.14); }
.sec { padding: 30px 30px 30px 0; border-bottom: 1px solid rgba(247, 246, 242, 0.14); }
.sec h3 { font-size: 19px; margin-bottom: 8px; color: var(--paper); }
.sec p { color: rgba(247, 246, 242, 0.68); font-size: 15px; }

/* cta */
.cta { text-align: center; }
.cta-inner { max-width: 640px; }
.cta-mark { width: 64px; height: 64px; color: var(--ink); margin-bottom: 22px; }
.cta h2 { margin-bottom: 14px; }
.cta p { font-size: 17px; margin-bottom: 30px; }
.center-row { justify-content: center; }

/* footer */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-row { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.footer .wordmark { font-size: 19px; }
.footer .mark { width: 26px; height: 26px; }
.footer-nav { display: flex; gap: 22px; margin-right: auto; }
.footer-nav a { font-size: 14px; font-weight: 600; color: var(--muted); }
.footer-nav a:hover { color: var(--ink); }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .stages { grid-template-columns: 1fr; gap: 22px; }
  .stages li { padding: 0 0 0 40px; }
  .stages li::after { top: 26px; left: 10px; right: auto; width: 2px; height: calc(100% - 4px);
    background-image: linear-gradient(to bottom, var(--border-strong) 50%, transparent 50%); background-size: 2px 8px; }
}
@media (max-width: 900px) {
  .hero { padding: 56px 0 72px; }
  .hero-grid, .feature-grid { grid-template-columns: 1fr; gap: 48px; }
  .feature-grid.reverse > :first-child { order: 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .nav { display: none; }
  .topbar-actions { margin-left: auto; }
  section { padding: 76px 0; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .hero-visual { padding: 36px 0 52px; }
  .paper { padding: 76px 20px 24px; }
  .change-card { right: -4px; top: -10px; width: 210px; }
  .sealed-card { left: 0; }
  .sig-block, .sigpage-block { width: auto; margin-left: 0; }
  .sigpage { padding: 26px 22px 20px; }
  .link-quiet { display: none; }
}