/* ==========================================================================
   Roof Intelligence — site v1
   Palette: deep navy + steel/silver, one warm accent (safety amber / copper).
   Type: Fraunces (display) + Public Sans (body) + IBM Plex Mono (data).
   No framework. No build step.
   ========================================================================== */

/* --- 1. Tokens ----------------------------------------------------------- */
:root {
  --ink-900: #060D15;
  --ink-800: #0B1622;
  --ink-700: #101F2E;
  --ink-600: #16293B;
  --ink-500: #1D3549;

  --line: #21374B;
  --line-soft: rgba(198, 210, 221, 0.13);

  --steel-050: #F3F7FA;
  --steel-100: #E2EAF2;
  --steel-300: #C2CFDB;
  --steel-500: #91A3B4;
  --steel-700: #63788B;

  --amber: #E9A13B;
  --amber-dim: #C9862A;
  --amber-soft: rgba(233, 161, 59, 0.11);
  --amber-line: rgba(233, 161, 59, 0.38);
  --copper: #C4703A;

  --paper: #F4F1EB;
  --paper-ink: #16232F;
  --paper-body: #3B4A57;
  --paper-line: #DDD6CB;
  --paper-soft: #EAE5DC;

  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 12px;

  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 18px 48px -24px rgba(0, 0, 0, 0.8);
  --pad-y: clamp(3.5rem, 8vw, 7rem);
}

/* --- 2. Base ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--ink-800);
  color: var(--steel-300);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  color: var(--steel-050);
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.35rem, 6.2vw, 4.25rem); }
h2 { font-size: clamp(1.85rem, 4.2vw, 2.9rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.45rem); letter-spacing: -0.01em; }
h4 { font-size: 1.0625rem; font-family: var(--body); font-weight: 700; letter-spacing: 0; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--steel-050); text-decoration-color: var(--amber-line); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--amber); }

img, svg { max-width: 100%; }
img { height: auto; display: block; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.15em; }
li { margin-bottom: 0.35em; }

strong { color: var(--steel-100); font-weight: 700; }

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

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

::selection { background: var(--amber); color: var(--ink-900); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--amber); color: var(--ink-900);
  padding: 0.7rem 1.1rem; font-weight: 700; z-index: 200;
}
.skip:focus { left: 0.75rem; top: 0.75rem; }

/* --- 3. Layout ----------------------------------------------------------- */
.wrap { width: min(100% - 2.25rem, 1160px); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.25rem, 780px); margin-inline: auto; }

.section { padding: var(--pad-y) 0; border-top: 1px solid var(--line-soft); }
.section:first-of-type { border-top: 0; }

.lede {
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  color: var(--steel-300);
  max-width: 62ch;
  text-wrap: pretty;
}

.head { max-width: 66ch; margin-bottom: clamp(2rem, 4vw, 3.25rem); }

.num, .tabular { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

.mono {
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.muted { color: var(--steel-500); }
.small { font-size: 0.875rem; line-height: 1.55; }
.tiny { font-size: 0.8125rem; line-height: 1.5; color: var(--steel-500); }

/* --- 4. Header / nav ----------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11, 22, 34, 0.86);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  display: flex; align-items: center; gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--steel-050);
  font-family: var(--display); font-weight: 600;
  font-size: 1.12rem; letter-spacing: -0.012em;
  margin-right: auto;
}
.brand:hover { color: #fff; }
.brand-mark { flex: 0 0 auto; color: var(--amber); }
.brand-mark svg { display: block; }
.brand em { font-style: normal; color: var(--steel-500); font-weight: 400; }

.nav-links {
  display: none;
  align-items: center; gap: 1.6rem;
  list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  text-decoration: none; color: var(--steel-300);
  font-size: 0.9375rem; font-weight: 500;
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--steel-050); border-bottom-color: var(--amber);
}

.nav-toggle {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent; border: 1px solid var(--line);
  color: var(--steel-100); border-radius: var(--r-md);
  padding: 0.5rem 0.75rem; font: inherit; font-size: 0.875rem;
  cursor: pointer;
}
.nav-toggle:hover { border-color: var(--steel-700); }

.nav-panel {
  border-top: 1px solid var(--line-soft);
  padding: 0.75rem 0 1.25rem;
}
.nav-panel ul { list-style: none; margin: 0; padding: 0; }
.nav-panel li { margin: 0; border-bottom: 1px solid var(--line-soft); }
.nav-panel a {
  display: block; padding: 0.85rem 0; text-decoration: none;
  color: var(--steel-100); font-weight: 500;
}
.nav-panel .btn { margin-top: 1rem; width: 100%; }

@media (min-width: 62rem) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-panel { display: none !important; }
}

/* --- 5. Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--body); font-weight: 700; font-size: 0.9375rem;
  line-height: 1; letter-spacing: 0.005em;
  padding: 0.95rem 1.35rem; border-radius: var(--r-md);
  border: 1px solid transparent; cursor: pointer;
  text-decoration: none; text-align: center;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}
.btn-primary { background: var(--amber); color: var(--ink-900); }
.btn-primary:hover { background: #F5B357; }
.btn-ghost { background: transparent; color: var(--steel-050); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--steel-700); background: rgba(255, 255, 255, 0.03); }
.btn-sm { padding: 0.65rem 1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-weight: 700; font-size: 0.9375rem; text-decoration: none;
  color: var(--amber); border-bottom: 1px solid transparent; padding-bottom: 1px;
}
.link-arrow:hover { border-bottom-color: var(--amber); color: #F5B357; }

/* --- 6. Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(2.75rem, 7vw, 5.5rem) 0 clamp(3rem, 7vw, 5.5rem);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(120% 90% at 78% 6%, rgba(233, 161, 59, 0.13), transparent 58%),
    radial-gradient(100% 80% at 8% 100%, rgba(29, 53, 73, 0.85), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 62%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    repeating-linear-gradient(45deg, rgba(198, 210, 221, 0.035) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(-45deg, rgba(198, 210, 221, 0.035) 0 1px, transparent 1px 16px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 72%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 72%);
  pointer-events: none;
}

.hero-grid { display: grid; gap: clamp(2.25rem, 5vw, 3.5rem); align-items: start; }

.hero h1 { margin-bottom: 0.5em; }
.hero h1 .accent { color: var(--amber); }
.hero .lede { font-size: clamp(1.08rem, 2vw, 1.35rem); color: var(--steel-300); }
.hero .btn-row { margin-top: 2rem; }
.hero-fine { margin-top: 1.1rem; color: var(--steel-500); font-size: 0.875rem; }

.hero-media { display: grid; gap: 1rem; }

.hero-photo {
  position: relative; margin: 0;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; aspect-ratio: 16 / 9;
  background:
    linear-gradient(180deg, rgba(233, 161, 59, 0.08), transparent 45%),
    repeating-linear-gradient(112deg, #12222F 0 22px, #16293B 22px 44px),
    var(--ink-700);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo.is-missing img { display: none; }
.hero-photo::after {
  content: ""; position: absolute; inset: 0;
  box-shadow: inset 0 -70px 90px -50px rgba(6, 13, 21, 0.95);
  pointer-events: none;
}
.hero-photo figcaption {
  position: absolute; left: 0; bottom: 0; z-index: 2;
  padding: 0.5rem 0.8rem; font-family: var(--mono); font-size: 0.6875rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--steel-500);
  background: rgba(6, 13, 21, 0.72);
  border-top-right-radius: var(--r-md);
}

/* --- 7. Report card mock ------------------------------------------------- */
.report-card {
  background: linear-gradient(180deg, var(--ink-700), var(--ink-800));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.rc-head {
  display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; align-items: baseline;
  padding: 1rem 1.15rem; border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
.rc-head h3 { margin: 0; font-size: 1rem; font-family: var(--body); font-weight: 700; }
.rc-head .mono { color: var(--steel-500); margin-left: auto; }

.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.07em;
  text-transform: uppercase; padding: 0.28rem 0.5rem;
  border: 1px solid var(--line); border-radius: var(--r-sm);
  color: var(--steel-300); white-space: nowrap;
}
.badge-amber { border-color: var(--amber-line); color: var(--amber); background: var(--amber-soft); }
.badge-quiet { color: var(--steel-700); }

.rc-plan {
  padding: 1.15rem 1.15rem 0.5rem;
  display: grid; gap: 1rem; grid-template-columns: 1fr;
}
.roof-plan { width: 100%; height: auto; display: block; }

.rc-stats {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px; background: var(--line); border-top: 1px solid var(--line);
}
.rc-stat { background: var(--ink-800); padding: 0.85rem 1.15rem; }
.rc-stat dt {
  font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--steel-700); margin-bottom: 0.25rem;
}
.rc-stat dd {
  margin: 0; font-size: 1.35rem; font-weight: 500;
  font-family: var(--display); color: var(--steel-050);
  font-variant-numeric: tabular-nums;
}
.rc-stat dd span { font-size: 0.8125rem; color: var(--steel-500); font-family: var(--body); }

.rc-tiers { padding: 1.15rem; border-top: 1px solid var(--line); }
.rc-tiers h4 { color: var(--steel-500); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--mono); font-weight: 400; margin-bottom: 0.85rem; }
.tier {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 0.6rem 0; border-bottom: 1px dashed var(--line);
}
.tier:last-of-type { border-bottom: 0; }
.tier-name { font-size: 0.9375rem; color: var(--steel-300); }
.tier-name b { display: block; color: var(--steel-050); font-weight: 700; }
.tier-range { font-family: var(--mono); font-size: 0.9375rem; color: var(--steel-050); white-space: nowrap; font-variant-numeric: tabular-nums; }

.rc-note {
  padding: 0.9rem 1.15rem; border-top: 1px solid var(--line);
  background: rgba(233, 161, 59, 0.05);
  font-size: 0.8125rem; line-height: 1.5; color: var(--steel-300);
}
.rc-note b { color: var(--amber); }

@media (min-width: 30rem) {
  .rc-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 64rem) {
  .hero-grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: clamp(2.5rem, 4vw, 4rem); }
}

/* --- 8. Proof strip ------------------------------------------------------ */
.proof {
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  background: var(--ink-900);
  padding: 1.6rem 0;
}
.proof-grid { display: grid; gap: 1.4rem; }
.proof-item { display: grid; gap: 0.3rem; }
.proof-item b {
  font-family: var(--display); font-size: 1.5rem; color: var(--steel-050);
  font-variant-numeric: tabular-nums; font-weight: 600; line-height: 1;
}
.proof-item span { font-size: 0.875rem; color: var(--steel-500); }
@media (min-width: 46rem) { .proof-grid { grid-template-columns: repeat(4, 1fr); } }

/* --- 9. Timeline --------------------------------------------------------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 0.44rem; top: 0.55rem; bottom: 0.55rem;
  width: 1px; background: linear-gradient(180deg, var(--amber), var(--line) 30%, var(--line) 82%, transparent);
}
.tl-item { position: relative; padding: 0 0 2rem 2.1rem; margin: 0; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: 0; top: 0.5rem;
  width: 0.9rem; height: 0.9rem; border-radius: 50%;
  background: var(--ink-800); border: 2px solid var(--line);
}
.tl-item:first-child::before { border-color: var(--amber); background: var(--amber); }
.tl-time {
  display: block; font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber);
  margin-bottom: 0.35rem; font-variant-numeric: tabular-nums;
}
.tl-item h3 { font-size: 1.15rem; margin-bottom: 0.35em; }
.tl-item p { color: var(--steel-300); font-size: 0.9688rem; margin-bottom: 0; }
.tl-item p + p { margin-top: 0.6em; }

@media (min-width: 52rem) {
  .timeline::before { left: 7.4rem; }
  .tl-item { padding-left: 9.5rem; }
  .tl-item::before { left: 6.96rem; }
  .tl-time {
    position: absolute; left: 0; top: 0.45rem; width: 6.2rem;
    text-align: right; margin: 0; font-size: 0.8125rem;
  }
}

/* --- 10. Module cards ---------------------------------------------------- */
.modules { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.module { background: var(--ink-800); padding: 1.5rem 1.4rem; display: grid; align-content: start; gap: 0.55rem; }
.module:hover { background: var(--ink-700); }
.module-top { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.module h3 { margin: 0; font-size: 1.1rem; }
.module p { font-size: 0.9375rem; margin: 0; color: var(--steel-300); }
.module .badge { margin-left: auto; }
@media (min-width: 44rem) { .modules { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 70rem) { .modules { grid-template-columns: repeat(3, 1fr); } }

/* --- 11. Tables ---------------------------------------------------------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); }
table { border-collapse: collapse; width: 100%; min-width: 40rem; font-size: 0.9375rem; }
caption { text-align: left; padding: 0 0 0.9rem; color: var(--steel-500); font-size: 0.875rem; }
th, td { text-align: left; padding: 0.85rem 1.05rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--steel-500); font-weight: 400;
  background: var(--ink-900); border-bottom-color: var(--line);
}
tbody th { font-weight: 500; color: var(--steel-100); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
td.is-ri { color: var(--steel-050); background: rgba(233, 161, 59, 0.045); }
thead th.is-ri { color: var(--amber); background: rgba(233, 161, 59, 0.07); }
.cell-no { color: var(--steel-700); }

/* --- 12. Pricing --------------------------------------------------------- */
.plans { display: grid; gap: 1.25rem; }
.plan {
  display: grid; align-content: start; gap: 0.9rem;
  background: var(--ink-700); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.5rem 1.4rem;
}
.plan-flag { border-color: var(--amber-line); background: linear-gradient(180deg, rgba(233, 161, 59, 0.07), var(--ink-700) 42%); }
.plan h3 { margin: 0; font-size: 1.2rem; }
.plan-price {
  font-family: var(--display); font-size: 2.15rem; color: var(--steel-050);
  line-height: 1; font-variant-numeric: tabular-nums; font-weight: 600;
}
.plan-price span { font-family: var(--body); font-size: 0.875rem; color: var(--steel-500); font-weight: 400; }
.plan-sum { font-size: 0.9375rem; color: var(--steel-300); margin: 0; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; font-size: 0.9375rem; }
.plan li { position: relative; padding-left: 1.15rem; margin: 0; color: var(--steel-300); }
.plan li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 0.45rem; height: 1px; background: var(--amber);
}
.plan-over { font-size: 0.8125rem; color: var(--steel-500); border-top: 1px solid var(--line); padding-top: 0.85rem; margin: 0; }
.plan .btn { margin-top: 0.25rem; }
@media (min-width: 46rem) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 74rem) { .plans { grid-template-columns: repeat(4, 1fr); } }

.addons { display: grid; gap: 1.25rem; margin-top: 1.5rem; }
.addon { border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.25rem 1.35rem; background: var(--ink-900); }
.addon h3 { font-size: 1.05rem; margin-bottom: 0.4em; }
.addon p { margin: 0; font-size: 0.9375rem; }
.addon .price { font-family: var(--mono); color: var(--amber); font-size: 0.9375rem; display: block; margin-bottom: 0.5rem; }
@media (min-width: 46rem) { .addons { grid-template-columns: repeat(3, 1fr); } }

/* --- 13. Demo form ------------------------------------------------------- */
.demo {
  background: var(--paper); color: var(--paper-body);
  border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line);
}
.demo h2, .demo h3 { color: var(--paper-ink); }
.demo .lede, .demo p { color: var(--paper-body); }
.demo a { color: var(--paper-ink); text-decoration-color: var(--copper); }
.demo .tiny { color: #5D6B78; }
.demo-grid { display: grid; gap: clamp(2rem, 4vw, 3rem); align-items: start; }
@media (min-width: 60rem) { .demo-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); } }

.demo-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 0.85rem; }
.demo-list li { position: relative; padding-left: 1.6rem; margin: 0; font-size: 0.9688rem; }
.demo-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 0.75rem; height: 0.75rem; border: 2px solid var(--copper);
  border-right: 0; border-top: 0; transform: rotate(-45deg) translateY(-0.15em);
}

.form-card {
  background: #FFFDFA; border: 1px solid var(--paper-line);
  border-radius: var(--r-lg); padding: clamp(1.35rem, 3vw, 1.9rem);
  box-shadow: 0 20px 50px -34px rgba(22, 35, 47, 0.55);
}
.field { display: grid; gap: 0.4rem; margin-bottom: 1rem; }
.field label { font-size: 0.875rem; font-weight: 700; color: var(--paper-ink); }
.field .hint { font-size: 0.8125rem; color: #5D6B78; }
.field input {
  font: inherit; font-size: 1rem; color: var(--paper-ink);
  padding: 0.8rem 0.85rem; border: 1px solid #C9C2B6; border-radius: var(--r-md);
  background: #fff; width: 100%;
}
.field input:focus-visible { outline: 2px solid var(--copper); outline-offset: 1px; border-color: var(--copper); }
.field input::placeholder { color: #99A3AD; }

.consent {
  display: grid; grid-template-columns: auto 1fr; gap: 0.7rem;
  align-items: start; margin: 1.25rem 0;
  border-top: 1px solid var(--paper-line); padding-top: 1.25rem;
}
.consent input { width: 1.15rem; height: 1.15rem; margin-top: 0.15rem; accent-color: var(--copper); }
.consent label { font-size: 0.8125rem; line-height: 1.5; color: #4A5865; }

.form-btn { background: var(--paper-ink); color: #FFF9F0; }
.form-btn:hover { background: #22384D; }

.form-status {
  margin-top: 1rem; font-size: 0.875rem; line-height: 1.5;
  padding: 0.8rem 0.9rem; border-radius: var(--r-md);
  border: 1px solid var(--paper-line); background: var(--paper-soft); color: var(--paper-ink);
}
.form-status[hidden] { display: none; }

/* --- 14. FAQ ------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1.15rem 2.5rem 1.15rem 0;
  position: relative; font-weight: 700; color: var(--steel-050); font-size: 1.0625rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0.35rem; top: 50%;
  transform: translateY(-50%); color: var(--amber);
  font-size: 1.4rem; line-height: 1; font-weight: 400;
}
.faq details[open] summary::after { content: "\2212"; }
.faq summary:hover { color: var(--amber); }
.faq .answer { padding: 0 0 1.35rem; max-width: 78ch; color: var(--steel-300); font-size: 0.9688rem; }

/* --- 15. Callout / CTA band --------------------------------------------- */
.callout {
  border: 1px solid var(--amber-line); border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(233, 161, 59, 0.08), rgba(11, 22, 34, 0)) , var(--ink-700);
  padding: clamp(1.6rem, 4vw, 2.6rem);
}
.callout h2 { margin-bottom: 0.4em; }
.callout p { max-width: 58ch; }

.note {
  border-left: 2px solid var(--amber); padding: 0.15rem 0 0.15rem 1.1rem;
  color: var(--steel-300); font-size: 0.9375rem; max-width: 70ch;
}

.prose h2 { margin-top: 2.4em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.9em; }
.prose li { color: var(--steel-300); }
.prose { max-width: 74ch; }

.two-col { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (min-width: 56rem) { .two-col { grid-template-columns: repeat(2, 1fr); } }

.stack-lg { display: grid; gap: clamp(1.5rem, 3vw, 2.25rem); }

/* --- 16. Footer ---------------------------------------------------------- */
.site-footer {
  background: var(--ink-900); border-top: 1px solid var(--line);
  padding: clamp(2.5rem, 5vw, 4rem) 0 2.5rem; margin-top: 0;
  font-size: 0.9375rem;
}
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 56rem) { .footer-grid { grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); } }
.site-footer h4 { color: var(--steel-500); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--mono); font-weight: 400; margin-bottom: 0.9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.site-footer a { color: var(--steel-300); text-decoration: none; }
.site-footer a:hover { color: var(--steel-050); text-decoration: underline; text-decoration-color: var(--amber); }
.footer-legal {
  margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; align-items: baseline;
  color: var(--steel-700); font-size: 0.8125rem;
}
.footer-legal p { margin: 0; }

/* --- 17. Motion ---------------------------------------------------------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.reveal { animation: rise .62s cubic-bezier(.2, .7, .3, 1) both; }
.reveal-2 { animation-delay: .1s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}