/* ============================================================
   QUIDSTONE — shared stylesheet
   Hybrid system: dark premium hero/footer (bookends),
   light readable body. Brand DNA kept: DM Serif Display,
   Manrope, antique gold. Mono numerals for finance figures.
   ============================================================ */

:root {
  /* Dark (bookends) */
  --ink:        #0B0F14;
  --ink-2:      #12171E;
  --ink-3:      #181F29;
  --on-ink:     #E8ECF1;
  --on-ink-dim: #93A0B0;

  /* Light (body) */
  --paper:      #F6F5F2;   /* soft, barely-warm document paper */
  --paper-2:    #FFFFFF;   /* cards */
  --paper-tint: #EEEDE7;   /* tinted bands */
  --on-paper:   #20262E;   /* primary text on light */
  --on-paper-dim: #5A636F;
  --on-paper-soft:#5A636F;

  /* Brand */
  --gold:       #C9A84C;   /* kept exactly */
  --gold-deep:  #9A7C28;   /* AA-legible gold on light */
  --gold-soft:  rgba(201,168,76,0.14);

  /* Functional (cost contrast) */
  --cost-high:  #B4543E;   /* muted brick — the expensive in-house number */

  /* Lines */
  --line-dark:  rgba(255,255,255,0.08);
  --line-light: rgba(20,26,34,0.10);
  --line-gold:  rgba(201,168,76,0.32);

  --maxw: 1180px;
  --r: 6px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  font-family: 'Manrope', system-ui, sans-serif;
  background: var(--paper);
  color: var(--on-paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.serif { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; }
.mono  { font-family: 'IBM Plex Mono', ui-monospace, monospace; font-feature-settings: "tnum" 1; }

a { color: inherit; }

/* ---------- layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: 2rem; padding-right: 2rem; }

.section { padding: 5.5rem 0; }
.section--dark  { background: var(--ink);  color: var(--on-ink); }
.section--paper { background: var(--paper); color: var(--on-paper); }
.section--tint  { background: var(--paper-tint); color: var(--on-paper); }

.eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--gold-deep); margin-bottom: 1.1rem;
}
.section--dark .eyebrow { color: var(--gold); }

.section-h {
  font-family: 'DM Serif Display', Georgia, serif; font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem); line-height: 1.12;
  max-width: 18ch; margin-bottom: 1rem;
}
.section-lead { font-size: 1.08rem; color: var(--on-paper-soft); max-width: 56ch; }
.section--dark .section-lead { color: var(--on-ink-dim); }

/* ---------- nav ---------- */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.15rem 2rem;
  background: rgba(11,15,20,0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-dark);
}
.logo { font-family: 'DM Serif Display', serif; font-size: 1.35rem; color: var(--on-ink); letter-spacing: 0.4px; text-decoration: none; }
.logo span { color: var(--gold); }
.nav-links { display: flex; gap: 2.2rem; align-items: center; }
.nav-links a {
  color: var(--on-ink-dim); text-decoration: none; font-size: 0.82rem;
  font-weight: 600; letter-spacing: 0.4px; text-transform: uppercase; transition: color .25s;
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  color: var(--gold) !important; border: 1px solid var(--line-gold);
  padding: 0.55rem 1.2rem; border-radius: var(--r); transition: background .25s;
}
.nav-cta:hover { background: var(--gold-soft); }
.menu-toggle { display: none; background: none; border: 0; color: var(--on-ink); cursor: pointer; }
.mobile-nav { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-weight: 600; font-size: 0.92rem; letter-spacing: 0.3px;
  padding: 0.95rem 1.8rem; border-radius: var(--r); text-decoration: none;
  border: 1px solid transparent; cursor: pointer; transition: transform .25s, box-shadow .25s, background .25s;
}
.btn svg { transition: transform .25s; }
.btn:hover svg { transform: translateX(3px); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #D4B45A; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(201,168,76,.28); }
.btn-ghost-dark { color: var(--on-ink); border-color: var(--line-dark); }
.btn-ghost-dark:hover { border-color: var(--gold); color: var(--gold); }
.btn-ghost-light { color: var(--on-paper); border-color: var(--line-light); }
.btn-ghost-light:hover { border-color: var(--gold-deep); color: var(--gold-deep); }

/* ---------- hero ---------- */
.hero { background: var(--ink); color: var(--on-ink); position: relative; }
.hero-inner { max-width: var(--maxw); margin: 0 auto; padding: 9.5rem 2rem 5.5rem; }
.hero h1 {
  font-family: 'DM Serif Display', serif; font-weight: 400;
  font-size: clamp(2.7rem, 6vw, 4.6rem); line-height: 1.08; max-width: 14ch; margin-bottom: 1.6rem;
}
.hero h1 em { font-style: italic; color: var(--gold); }
.hero-sub { font-size: 1.18rem; color: var(--on-ink-dim); max-width: 54ch; line-height: 1.7; margin-bottom: 2.4rem; font-weight: 400; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* page (sub) hero for sector pages */
.subhero { background: var(--ink); color: var(--on-ink); }
.subhero-inner { max-width: var(--maxw); margin: 0 auto; padding: 8.5rem 2rem 4rem; }
.subhero h1 { font-family: 'DM Serif Display', serif; font-weight: 400; font-size: clamp(2.3rem, 4.6vw, 3.4rem); line-height: 1.12; max-width: 16ch; margin-bottom: 1.1rem; }
.subhero h1 em { font-style: italic; color: var(--gold); }
.subhero p { color: var(--on-ink-dim); font-size: 1.1rem; max-width: 52ch; }
.crumb { font-size: 0.8rem; color: var(--on-ink-dim); margin-bottom: 1.6rem; letter-spacing: .3px; }
.crumb a { color: var(--gold); text-decoration: none; }

/* ---------- stat strip ---------- */
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.stat { padding: 0.5rem 0; }
.stat-v { font-family: 'IBM Plex Mono', monospace; font-size: 2.4rem; color: var(--gold); line-height: 1; margin-bottom: .55rem; }
.section--paper .stat-v { color: var(--gold-deep); }
.stat-l { font-size: 0.88rem; color: var(--on-ink-dim); }
.section--paper .stat-l { color: var(--on-paper-soft); }

/* ---------- generic card grid ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; margin-top: 2.6rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.2rem; margin-top: 2.6rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.4rem; margin-top: 2.6rem; }

.card {
  background: var(--paper-2); border: 1px solid var(--line-light);
  border-radius: var(--r); padding: 1.9rem 1.7rem; transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(20,26,34,.07); border-color: var(--line-gold); }
.card h3 { font-size: 1.18rem; margin-bottom: .6rem; letter-spacing: -.01em; }
.card p { color: var(--on-paper-soft); font-size: 0.96rem; }
.card-ic { width: 40px; height: 40px; border-radius: var(--r); display: grid; place-items: center; background: var(--gold-soft); color: var(--gold-deep); margin-bottom: 1.1rem; }

/* sector card (links) */
.sector-card { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.sector-card .more { margin-top: auto; padding-top: 1rem; color: var(--gold-deep); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: .4rem; }
.sector-card:hover .more svg { transform: translateX(3px); }
.sector-card .more svg { transition: transform .25s; }

/* ---------- the ledger (signature) ---------- */
.ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2.6rem; align-items: stretch; }
.ledger-col { border-radius: var(--r); padding: 1.9rem 1.8rem; }
.ledger-inhouse { background: var(--paper-2); border: 1px solid var(--line-light); }
.ledger-quid { background: var(--ink); color: var(--on-ink); border: 1px solid var(--ink); }
.ledger-col .lh { font-size: 0.74rem; letter-spacing: 2px; text-transform: uppercase; font-weight: 700; margin-bottom: 1.3rem; }
.ledger-inhouse .lh { color: var(--cost-high); }
.ledger-quid .lh { color: var(--gold); }
.lrow { display: flex; justify-content: space-between; align-items: baseline; padding: 0.62rem 0; border-bottom: 1px dashed var(--line-light); font-size: 0.96rem; }
.ledger-quid .lrow { border-bottom-color: var(--line-dark); color: var(--on-ink-dim); }
.lrow .v { font-family: 'IBM Plex Mono', monospace; font-size: 0.96rem; }
.lrow.total { border-bottom: 0; padding-top: 1.1rem; font-weight: 700; color: var(--on-paper); }
.ledger-quid .lrow.total { color: var(--on-ink); }
.lrow.total .v { font-size: 1.5rem; }
.ledger-inhouse .lrow.total .v { color: var(--cost-high); }
.ledger-quid .lrow.total .v { color: var(--gold); }
.ledger-note { font-size: 0.84rem; color: var(--on-paper-soft); margin-top: 1.4rem; }

/* ---------- pricing ---------- */
.price-card { background: var(--paper-2); border: 1px solid var(--line-light); border-radius: var(--r); padding: 1.7rem 1.5rem; display: flex; flex-direction: column; }
.price-card .pc-h { font-size: 1.05rem; margin-bottom: .9rem; }
.price-from { font-size: 0.74rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--on-paper-soft); }
.price-v { font-family: 'IBM Plex Mono', monospace; font-size: 1.9rem; color: var(--on-paper); margin: .15rem 0 .15rem; }
.price-unit { font-size: 0.9rem; color: var(--on-paper-soft); margin-bottom: 1rem; }
.price-vs { font-size: 0.85rem; color: var(--gold-deep); margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line-light); }

/* ---------- process ---------- */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.4rem; margin-top: 2.6rem; }
.step .num { font-family: 'IBM Plex Mono', monospace; font-size: 0.95rem; color: var(--gold); letter-spacing: 1px; }
.section--paper .step .num { color: var(--gold-deep); }
.step h3 { font-size: 1.1rem; margin: .6rem 0 .4rem; }
.step p { font-size: 0.94rem; color: var(--on-ink-dim); }
.section--paper .step p { color: var(--on-paper-soft); }
.step { border-top: 1px solid var(--line-dark); padding-top: 1rem; }
.section--paper .step { border-top-color: var(--line-light); }

/* ---------- list (what's included) ---------- */
.checklist { list-style: none; margin-top: 1.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: .85rem 2rem; }
.checklist li { display: flex; gap: .7rem; font-size: 0.98rem; color: var(--on-paper); align-items: flex-start; }
.checklist svg { flex: none; color: var(--gold-deep); margin-top: 3px; }

/* pains */
.pain { border-left: 2px solid var(--line-gold); padding: .2rem 0 .2rem 1.3rem; }
.pain h3 { font-size: 1.1rem; margin-bottom: .35rem; }
.pain p { color: var(--on-paper-soft); font-size: 0.97rem; }

/* ---------- contact ---------- */
.contact-box { max-width: 720px; margin: 0 auto; text-align: center; }
.contact-box h2 { font-family: 'DM Serif Display', serif; font-size: clamp(2rem,4vw,2.7rem); font-weight: 400; margin-bottom: .8rem; }
.contact-box > p { color: var(--on-ink-dim); margin-bottom: 2.2rem; }
.form { text-align: left; margin-top: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.fgroup { margin-bottom: 1rem; display: flex; flex-direction: column; }
.fgroup label { font-size: 0.8rem; color: var(--on-ink-dim); margin-bottom: .4rem; letter-spacing: .3px; }
.fgroup input, .fgroup textarea {
  background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: var(--r);
  padding: .85rem 1rem; color: var(--on-ink); font-family: inherit; font-size: 0.98rem; transition: border-color .25s;
}
.fgroup input::placeholder, .fgroup textarea::placeholder { color: #54606e; }
.fgroup input:focus, .fgroup textarea:focus { outline: none; border-color: var(--gold); }
.fgroup textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--on-ink-dim); margin-top: .8rem; text-align: center; }

/* ---------- footer ---------- */
footer { background: var(--ink); color: var(--on-ink-dim); padding: 2.4rem 2rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; font-size: 0.9rem; }
.footer-links { display: flex; gap: 1.6rem; align-items: center; }
.footer-links a { color: var(--on-ink-dim); text-decoration: none; display: inline-flex; align-items: center; gap: .4rem; transition: color .25s; }
.footer-links a:hover { color: var(--gold); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .mobile-nav { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--ink-2);
    border-bottom: 1px solid var(--line-dark); flex-direction: column; padding: 1rem 2rem; z-index: 99; }
  .mobile-nav.open { display: flex; }
  .mobile-nav a { color: var(--on-ink); text-decoration: none; padding: .7rem 0; border-bottom: 1px solid var(--line-dark); }
  .grid-3, .grid-4, .stats, .steps, .ledger, .checklist { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .steps { gap: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

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