/* Nightclose — ledger-quiet design system
   bg paper #F3F5F4 · ink #16232B · gold #B07E1E · teal #167D71 · red #B33A2B */

:root {
  --paper: #f3f5f4;
  --paper-raise: #fbfcfb;
  --ink: #16232b;
  --ink-soft: #47565f;
  --ink-faint: #8b969c;
  --rule: #d8dedd;
  --rule-strong: #b9c3c2;
  --gold: #b07e1e;
  --gold-wash: #f4e9d2;
  --teal: #167d71;
  --teal-wash: #ddefeb;
  --red: #b33a2b;
  --red-wash: #f4ddd8;
  --serif: "IBM Plex Serif", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", monospace;
  --maxw: 1120px;
  --pad: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gold-wash); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); }
h1 { font-size: clamp(2.1rem, 4.8vw, 3.4rem); line-height: 1.08; letter-spacing: -0.015em; margin: 0 0 18px; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.05rem); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 14px; }
h3 { font-size: 1.12rem; line-height: 1.35; margin: 0 0 8px; }
p { margin: 0 0 16px; }
a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gold); }
img, svg { max-width: 100%; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.lede { font-size: 1.13rem; color: var(--ink-soft); max-width: 56ch; }
.num { font-family: var(--mono); font-feature-settings: "tnum"; }
.skip {
  position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff;
  padding: 8px 16px; z-index: 60;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
}
.site-head .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.wordmark {
  font-family: var(--serif); font-weight: 600; font-size: 1.28rem; letter-spacing: -0.01em;
  text-decoration: none; display: inline-flex; align-items: baseline; gap: 2px;
}
.wordmark::after {
  content: ""; width: 0.62em; height: 3px; background: var(--gold); border-radius: 2px;
  transform: translateY(-3px);
}
.site-nav { display: flex; gap: 26px; margin-left: auto; }
.site-nav a { text-decoration: none; color: var(--ink-soft); font-size: 0.95rem; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.head-cta { margin-left: 4px; }
.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1px solid var(--rule-strong);
  border-radius: 6px; padding: 6px 10px; font: inherit; cursor: pointer; color: var(--ink);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 7px; text-decoration: none;
  font-weight: 600; font-size: 0.98rem; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #0d171d; color: #fff; }
.btn-ghost { border-color: var(--rule-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: clamp(48px, 7vw, 88px) 0 clamp(40px, 6vw, 72px); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero .lede { margin-bottom: 26px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 18px; font-size: 0.88rem; color: var(--ink-faint); }
.hero-note strong { color: var(--ink-soft); font-weight: 600; }

/* ---------- ledger panel (the memorable thing) ---------- */
.ledger {
  background: var(--paper-raise);
  border: 1px solid var(--rule-strong);
  border-top: 3px solid var(--gold);
  border-radius: 10px;
  box-shadow: 0 14px 34px -22px rgba(22, 35, 43, 0.35);
  overflow: hidden;
}
.ledger-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 14px 18px 10px;
  font-family: var(--mono); font-size: 0.74rem; color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.ledger-rows { padding: 0 6px; }
.lrow {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 1fr 140px;
  gap: 8px; align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono); font-size: 0.82rem;
  font-feature-settings: "tnum";
  min-width: 0;
}
.lrow > * { min-width: 0; }
.lrow:last-child { border-bottom: none; }
.lrow .prov { font-family: var(--sans); font-weight: 600; font-size: 0.9rem; }
.lrow .burn { color: var(--ink-soft); }
.lrow .bal { text-align: right; font-weight: 500; }
.chip {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.66rem;
  font-weight: 600; text-align: center; white-space: nowrap; line-height: 1.5;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis;
}
.chip-ok { background: var(--teal-wash); color: var(--teal); }
.chip-warn { background: var(--gold-wash); color: #7a570f; }
.chip-dead { background: var(--red-wash); color: var(--red); }
.chip-idle { background: #e6e9e9; color: var(--ink-soft); }

.runway { border-top: 1px dashed var(--rule-strong); padding: 14px 18px 8px; }
.runway figcaption {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  font-family: var(--mono); font-size: 0.74rem; color: var(--ink-faint); margin-bottom: 8px;
}
.runway svg { display: block; width: 100%; height: auto; }
.chart-line { fill: none; stroke: var(--gold); stroke-width: 2.2; }
.chart-thresh { stroke: var(--red); stroke-width: 1; stroke-dasharray: 3 4; }
.chart-step { stroke: var(--rule-strong); stroke-width: 1; stroke-dasharray: 2 4; }
.chart-marker { stroke: var(--red); stroke-width: 1.2; }
.runway-flag {
  font-family: var(--mono); font-size: 11px; fill: var(--teal); font-weight: 500;
}
.axis-label { font-family: var(--mono); font-size: 10px; fill: var(--ink-faint); }

/* ---------- generic sections ---------- */
.section { padding: clamp(48px, 7vw, 84px) 0; }
.section + .section { border-top: 1px solid var(--rule); }
.section-head { max-width: 62ch; margin-bottom: clamp(28px, 4vw, 44px); }

/* steps — genuinely sequential */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: step; }
.step { counter-increment: step; position: relative; padding-top: 6px; }
.step::before {
  content: counter(step);
  font-family: var(--mono); font-weight: 500; font-size: 0.8rem; color: var(--gold);
  display: inline-grid; place-items: center; width: 26px; height: 26px;
  border: 1px solid var(--gold); border-radius: 50%; margin-bottom: 12px;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--ink-soft); font-size: 0.96rem; }

/* feature block: one wide + tight list, not a card grid */
.feat-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.feat-lead p { color: var(--ink-soft); max-width: 52ch; }
.feat-callout {
  margin-top: 22px; padding: 18px 20px; background: var(--paper-raise);
  border-left: 3px solid var(--gold); border-radius: 0 8px 8px 0;
  font-size: 0.95rem; color: var(--ink-soft);
}
.feat-callout strong { color: var(--ink); }
.feat-list { list-style: none; margin: 0; padding: 0; }
.feat-list li { padding: 13px 0 13px 26px; border-bottom: 1px solid var(--rule); position: relative; }
.feat-list li:last-child { border-bottom: none; }
.feat-list li::before {
  content: ""; position: absolute; left: 2px; top: 22px; width: 10px; height: 2px; background: var(--gold);
}
.feat-list b { font-weight: 600; }
.feat-list span { display: block; color: var(--ink-soft); font-size: 0.93rem; }

/* integrations */
.integrations {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  border: 1px solid var(--rule); border-radius: 10px; background: var(--paper-raise);
  overflow: hidden;
}
.intg { padding: 16px 18px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.intg b { display: block; font-weight: 600; font-size: 0.95rem; }
.intg span { font-size: 0.8rem; color: var(--ink-faint); font-family: var(--mono); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  background: var(--paper-raise); border: 1px solid var(--rule-strong); border-radius: 10px;
  padding: 26px 24px; display: flex; flex-direction: column;
}
.plan-focus { border-color: var(--gold); box-shadow: 0 12px 30px -20px rgba(176, 126, 30, 0.5); position: relative; }
.plan h3 { font-family: var(--sans); font-size: 1.02rem; }
.plan-price { font-family: var(--serif); font-size: 2rem; font-weight: 600; margin: 4px 0 2px; }
.plan-price small { font-family: var(--sans); font-size: 0.85rem; font-weight: 400; color: var(--ink-faint); }
.plan ul { list-style: none; padding: 0; margin: 14px 0 22px; flex: 1; }
.plan li { padding: 6px 0 6px 20px; position: relative; font-size: 0.93rem; color: var(--ink-soft); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 700; }
.badge {
  position: absolute; top: -11px; left: 24px; background: var(--gold); color: #fff;
  font-size: 0.68rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; letter-spacing: 0.03em;
}

/* quotes */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote { margin: 0; padding: 22px 22px 18px; background: var(--paper-raise); border: 1px solid var(--rule); border-radius: 10px; }
.quote p { font-size: 0.95rem; color: var(--ink); margin: 0 0 14px; }
.quote footer { font-size: 0.8rem; color: var(--ink-faint); font-family: var(--mono); }

/* faq */
.faq { max-width: 720px; }
.faq details { border-bottom: 1px solid var(--rule); padding: 4px 0; }
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 1.02rem; padding: 14px 28px 14px 0; position: relative; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 2px; top: 12px; font-family: var(--mono);
  color: var(--gold); font-size: 1.1rem;
}
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 0 16px; color: var(--ink-soft); max-width: 62ch; }

/* big statement */
.statement { padding: clamp(56px, 8vw, 96px) 0; text-align: left; }
.statement p {
  font-family: var(--serif); font-size: clamp(1.35rem, 3vw, 1.9rem); line-height: 1.35;
  max-width: 26ch; margin: 0 0 26px; font-weight: 500;
}
.statement .num-em { color: var(--gold); }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--rule); padding: 44px 0 36px; margin-top: 8px; }
.foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot-grid nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-grid a { text-decoration: none; color: var(--ink-soft); font-size: 0.9rem; }
.foot-grid a:hover { color: var(--ink); }
.foot-fine { margin-top: 22px; font-size: 0.8rem; color: var(--ink-faint); }

/* ---------- interior pages ---------- */
.page-head { padding: clamp(44px, 6vw, 72px) 0 8px; }
.page-head .lede { margin-top: 6px; }
.prose { max-width: 68ch; }
.prose h2 { margin-top: 40px; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul li, .prose ol li { margin-bottom: 6px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.mail-card {
  background: var(--paper-raise); border: 1px solid var(--rule-strong); border-top: 3px solid var(--gold);
  border-radius: 10px; padding: 24px;
}
.mail-card .num { font-size: 1.15rem; }
.timeline { list-style: none; padding: 0; max-width: 68ch; }
.timeline li { padding: 0 0 26px 24px; border-left: 2px solid var(--rule-strong); position: relative; }
.timeline li::before {
  content: ""; position: absolute; left: -6px; top: 6px; width: 10px; height: 10px;
  background: var(--gold); border-radius: 50%;
}
.timeline time { display: block; font-family: var(--mono); font-size: 0.75rem; color: var(--ink-faint); margin-bottom: 4px; }
.timeline b { font-weight: 600; }
.timeline p { color: var(--ink-soft); font-size: 0.94rem; margin: 4px 0 0; }

/* ---------- signup form (app.nightclose.com) ---------- */
.signup-form { padding: 18px 18px 22px; display: flex; flex-direction: column; gap: 14px; }
.signup-form label {
  display: flex; flex-direction: column; gap: 5px;
  font-size: 0.85rem; font-weight: 600; color: var(--ink-soft);
}
.signup-form input[type="email"], .signup-form select {
  font: inherit; font-size: 0.98rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule-strong); border-radius: 7px;
  padding: 11px 12px; width: 100%;
}
.signup-form input[type="email"]:focus-visible, .signup-form select:focus-visible {
  outline: 2px solid var(--ink); outline-offset: 1px; border-color: var(--ink);
}
.signup-form .hp-field { position: absolute; left: -9999px; }
.signup-form .btn { margin-top: 4px; }
.form-note { font-size: 0.83rem; color: var(--ink-faint); margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .hero-grid, .feat-split, .contact-grid { grid-template-columns: 1fr; }
  .steps, .plans, .quotes { grid-template-columns: 1fr; }
  .lrow { grid-template-columns: 1fr auto; }
  .lrow .prov { grid-column: 1; grid-row: 1; }
  .lrow .chip { grid-column: 2; grid-row: 1; justify-self: end; white-space: normal; }
  .lrow .bal { grid-column: 1; grid-row: 2; }
  .lrow .burn { grid-column: 2; grid-row: 2; text-align: right; }
}
@media (max-width: 780px) {
  .site-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--paper-raise);
    border-bottom: 1px solid var(--rule-strong); padding: 8px 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px var(--pad); }
  .head-cta { display: none; }
  .nav-toggle { display: inline-block; }
}
@media (prefers-reduced-motion: reduce) {
  .chart-line { stroke-dashoffset: 0 !important; transition: none !important; }
}