/* =========================================================
   LuckyGem Copyright & Policy Reference
   Stylesheet — Premium Gem / Archive Corporate Style
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --color-ivory: #f8f5ee;
  --color-ivory-soft: #fbf9f3;
  --color-paper: #ffffff;
  --color-graphite: #1f2a2e;
  --color-graphite-soft: #3a4a4f;
  --color-muted: #6b7a7f;
  --color-line: #e2dccd;
  --color-line-soft: #efeadd;
  --color-emerald: #1f6e54;
  --color-emerald-deep: #134634;
  --color-emerald-soft: #e6f1ec;
  --color-gold: #b08c4a;
  --color-gold-soft: #f1e9d4;

  --font-serif: "Cormorant Garamond", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-soft: 0 1px 2px rgba(31, 42, 46, 0.04), 0 8px 24px rgba(31, 42, 46, 0.06);
  --shadow-line: 0 0 0 1px var(--color-line);

  --container: 1180px;
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-graphite);
  background: var(--color-ivory);
  background-image:
    radial-gradient(1200px 600px at 90% -10%, rgba(176, 140, 74, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(31, 110, 84, 0.07), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-emerald);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-emerald-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-graphite);
  font-weight: 600;
  letter-spacing: 0.2px;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 2.2vw, 2rem); line-height: 1.25; }
h3 { font-size: 1.25rem; line-height: 1.35; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; }

ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 0.4em; }

::selection {
  background: var(--color-emerald-soft);
  color: var(--color-emerald-deep);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.section--tight { padding: 48px 0; }
.section--wide { padding: 96px 0; }

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-emerald);
  background: var(--color-emerald-soft);
  border: 1px solid rgba(31, 110, 84, 0.18);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-title {
  margin-bottom: 14px;
}

.section-lead {
  color: var(--color-graphite-soft);
  max-width: 720px;
  font-size: 1.05rem;
}

/* ---------- Top utility bar ---------- */
.utility-bar {
  background: var(--color-graphite);
  color: #d8e0e1;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  padding-bottom: 10px;
  gap: 16px;
}
.utility-bar a {
  color: #f1e9d4;
}
.utility-bar a:hover {
  color: #ffffff;
  text-decoration: none;
}
.utility-bar .util-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.utility-bar .util-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-gold);
  display: inline-block;
}

/* ---------- Header / Nav ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-graphite);
}
.brand:hover { text-decoration: none; color: var(--color-graphite); }

.brand-mark {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(145deg, #ffffff, var(--color-emerald-soft));
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
}

.brand-mark svg { width: 22px; height: 22px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-graphite);
}
.brand-sub {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  padding: 0; margin: 0;
}
.nav-links a {
  color: var(--color-graphite-soft);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover { color: var(--color-emerald-deep); text-decoration: none; }
.nav-links a.active {
  color: var(--color-emerald-deep);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--color-graphite);
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-emerald);
  color: #fff;
  border-color: var(--color-emerald);
}
.btn--primary:hover { background: var(--color-emerald-deep); border-color: var(--color-emerald-deep); color: #fff; }

.btn--ghost {
  background: transparent;
  color: var(--color-graphite);
  border-color: var(--color-line);
}
.btn--ghost:hover { border-color: var(--color-graphite); color: var(--color-graphite); background: #fff; }

.btn--gold {
  background: var(--color-gold);
  color: #fff;
  border-color: var(--color-gold);
}
.btn--gold:hover { filter: brightness(0.95); color: #fff; }

.btn--sm { padding: 8px 14px; font-size: 0.85rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-emerald-deep);
  margin-bottom: 18px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px; background: var(--color-gold); border-radius: 50%; display: inline-block;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.08;
  margin-bottom: 18px;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--color-graphite-soft);
  max-width: 600px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-note {
  border-left: 3px solid var(--color-gold);
  padding: 10px 16px;
  background: var(--color-ivory-soft);
  color: var(--color-graphite-soft);
  font-size: 0.95rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  max-width: 600px;
}

/* Hero visual: gem-inspired panel */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 460px;
  margin-left: auto;
}
.hero-visual .panel {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #ffffff, var(--color-emerald-soft) 70%, #ffffff);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.hero-visual .panel::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(31, 110, 84, 0.25);
  border-radius: 14px;
}
.hero-visual .gem {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 70%; height: 70%;
}
.hero-visual .seal {
  position: absolute;
  bottom: 22px; right: 22px;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--color-line);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-emerald-deep);
}
.hero-visual .seal .seal-dot {
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  margin-right: 8px;
}

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--color-paper);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.trust-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0;
  align-items: center;
}
.trust-item {
  display: flex; align-items: center; gap: 12px;
  color: var(--color-graphite-soft);
  font-size: 0.92rem;
}
.trust-item svg { width: 22px; height: 22px; color: var(--color-emerald); flex-shrink: 0; }

/* ---------- Card grids ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
}
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(31, 110, 84, 0.35);
}
.card .card-icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  background: var(--color-emerald-soft);
  color: var(--color-emerald-deep);
  border-radius: 8px;
  margin-bottom: 16px;
}
.card .card-icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--color-graphite-soft); margin-bottom: 14px; font-size: 0.95rem; }
.card .card-link {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-emerald-deep);
}
.card .card-link::after {
  content: " →";
  transition: margin-left 0.2s ease;
}
.card:hover .card-link::after {
  margin-left: 4px;
}

/* ---------- Two-column reference block ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.split--narrow { gap: 32px; }

.reference-panel {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}
.reference-panel h3 {
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--color-line-soft);
  padding-bottom: 12px;
  margin-bottom: 14px;
}
.reference-panel h3 svg { width: 18px; height: 18px; color: var(--color-gold); }
.reference-panel ul { padding-left: 1.1rem; color: var(--color-graphite-soft); }
.reference-panel li { margin-bottom: 6px; }

/* ---------- Workflow steps ---------- */
.workflow {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.workflow .step {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
  counter-increment: step;
}
.workflow .step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-gold);
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}
.workflow .step h4 { margin-bottom: 6px; font-family: var(--font-serif); font-size: 1.1rem; }
.workflow .step p { color: var(--color-graphite-soft); font-size: 0.92rem; margin: 0; }

/* ---------- Document / article styling ---------- */
.doc {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}
.doc-toc {
  position: sticky;
  top: 96px;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 18px;
}
.doc-toc h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.doc-toc ol { padding-left: 1.2rem; margin: 0; }
.doc-toc li { font-size: 0.92rem; margin-bottom: 6px; }
.doc-toc a { color: var(--color-graphite-soft); }
.doc-toc a:hover { color: var(--color-emerald-deep); }

.doc-body {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 40px 44px;
  box-shadow: var(--shadow-soft);
}
.doc-body h2 {
  border-bottom: 1px solid var(--color-line-soft);
  padding-bottom: 10px;
  margin-top: 36px;
  margin-bottom: 16px;
}
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { margin-top: 24px; }
.doc-body p, .doc-body li { color: var(--color-graphite-soft); }
.doc-body strong { color: var(--color-graphite); }

.callout {
  border-left: 3px solid var(--color-emerald);
  background: var(--color-emerald-soft);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  color: var(--color-graphite);
  font-size: 0.97rem;
}
.callout--gold {
  border-left-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.meta-line {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.meta-line .pill {
  background: var(--color-emerald-soft);
  color: var(--color-emerald-deep);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

/* ---------- Page header ---------- */
.page-head {
  padding: 60px 0 30px;
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.6), rgba(248,245,238,0)) ,
    radial-gradient(600px 200px at 20% 0%, rgba(31, 110, 84, 0.08), transparent 60%);
}
.page-head .breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.page-head .breadcrumbs a { color: var(--color-graphite-soft); }
.page-head .breadcrumbs span.sep { margin: 0 8px; color: var(--color-line); }
.page-head h1 { margin-bottom: 10px; }
.page-head p.subtitle { color: var(--color-graphite-soft); max-width: 720px; margin: 0; }

/* ---------- Forms ---------- */
.form {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-graphite);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.form-group label .req { color: var(--color-gold); margin-left: 4px; }
.form-group input,
.form-group textarea,
.form-group select {
  border: 1px solid var(--color-line);
  background: var(--color-ivory-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-graphite);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-emerald);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(31, 110, 84, 0.12);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-help {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 6px;
}

.form-actions {
  display: flex; gap: 10px; align-items: center; margin-top: 8px;
  flex-wrap: wrap;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.form-success,
.form-error {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  margin-bottom: 16px;
  display: none;
}
.form-success {
  background: var(--color-emerald-soft);
  color: var(--color-emerald-deep);
  border: 1px solid rgba(31, 110, 84, 0.25);
}
.form-error {
  background: #fdecec;
  color: #8a2a2a;
  border: 1px solid #f3c4c4;
}

/* ---------- Contact info ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}
.contact-card h3 { display: flex; align-items: center; gap: 10px; }
.contact-card h3 svg { width: 18px; height: 18px; color: var(--color-emerald); }
.contact-meta { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.contact-meta .row { display: flex; gap: 10px; align-items: baseline; font-size: 0.95rem; }
.contact-meta .label { width: 130px; color: var(--color-muted); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; }
.contact-meta .value { color: var(--color-graphite); }
.contact-meta a { font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    linear-gradient(135deg, var(--color-emerald-deep), var(--color-emerald));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 30px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  right: -120px; top: -120px;
  background: radial-gradient(circle at center, rgba(255,255,255,0.16), transparent 60%);
  border-radius: 50%;
}
.cta-band h3 { color: #fff; font-size: 1.7rem; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,0.85); margin: 0; }
.cta-band .cta-actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
.cta-band .btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
.cta-band .btn--ghost:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-graphite);
  color: #cfd6d8;
  padding: 60px 0 20px;
  margin-top: 64px;
}
.site-footer a { color: #e6dec5; }
.site-footer a:hover { color: #fff; text-decoration: none; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand-mark {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: #b1b9bb; }
.footer-brand p {
  color: #b1b9bb;
  font-size: 0.92rem;
  margin-top: 14px;
  max-width: 320px;
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; font-size: 0.93rem; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: 0.85rem;
  color: #9ca5a8;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .legal-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Misc ---------- */
.divider {
  height: 1px;
  background: var(--color-line);
  border: 0;
  margin: 40px 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.tag {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-ivory-soft);
  border: 1px solid var(--color-line);
  color: var(--color-graphite-soft);
  border-radius: 999px;
  padding: 4px 10px;
}

/* Updates / metadata footer for pages */
.page-meta {
  background: var(--color-ivory-soft);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.page-meta .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin: 0 auto; max-width: 380px; }
  .cards, .cards--3 { grid-template-columns: repeat(2, 1fr); }
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .trust-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; }
  .doc-toc { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; }
  .cta-band .cta-actions { justify-content: flex-start; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 40px; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.is-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-line);
    gap: 12px;
    align-items: flex-start;
  }
  .site-header { position: relative; }
  .nav { position: relative; }
  .cards, .cards--3, .cards--2 { grid-template-columns: 1fr; }
  .workflow { grid-template-columns: 1fr; }
  .trust-strip-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .doc-body { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .utility-bar .container { flex-direction: column; align-items: flex-start; }
}

/* ---------- Accessibility helpers ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-emerald);
  outline-offset: 2px;
}