/* ==========================================================================
   VNREX CRM — Website công khai
   Design language: editorial / warm / premium SaaS
   Fonts: Fraunces (display) · IBM Plex Sans (body) · JetBrains Mono (labels)
   ========================================================================== */

:root {
  --bg: #faf7f2;
  --bg-warm: #f4efe6;
  --card: #ffffff;
  --ink: #1c1917;
  --ink-soft: #44403c;
  --muted: #78716c;
  --soft: #a8a29e;
  --rule: #e7e2d5;
  --rule-soft: #f0ece2;
  --accent: #c2410c;
  --accent-hover: #9a3412;
  --accent-soft: #fde9dd;
  --teal: #0f766e;
  --amber: #b45309;
  --purple: #6d28d9;
  --chip: #f4f1ea;
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.04);
  --shadow-md: 0 8px 24px rgba(28, 25, 23, 0.07);
  --shadow-lg: 0 24px 60px rgba(28, 25, 23, 0.12);
  --maxw: 1200px;
  --radius: 4px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--ink);
}

.serif { font-family: 'Fraunces', Georgia, serif; }
.mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: 820px; margin: 0 auto; padding: 0 32px; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
}
.eyebrow.center::before { display: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 500;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink); background: var(--card); }
.btn-light { background: var(--card); color: var(--ink); border-color: var(--rule); }
.btn-light:hover { border-color: var(--ink); }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-arrow { transition: transform 0.2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.82);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.site-header.scrolled { border-bottom-color: var(--rule); box-shadow: var(--shadow-sm); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 9px;
}
.brand-mark {
  width: 11px;
  height: 11px;
  background: var(--accent);
  border-radius: 2px;
  transform: rotate(45deg);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 14.5px;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all 0.15s;
  position: relative;
}
.nav-links a:hover { color: var(--accent); background: var(--accent-soft); }
.nav-links a.active { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: all 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { padding: 88px 0 72px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin: 22px 0 24px;
  font-variation-settings: "opsz" 144;
}
.hero h1 em { font-style: italic; font-weight: 400; color: var(--accent); }
.hero .lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 13.5px; color: var(--soft); margin-top: 20px; display: flex; align-items: center; gap: 8px; }
.hero-note svg { color: var(--teal); flex-shrink: 0; }

/* Hero visual — stacked CRM cards */
.hero-visual { position: relative; }
.hv-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hv-bar { display: flex; align-items: center; gap: 6px; padding: 13px 16px; border-bottom: 1px solid var(--rule-soft); }
.hv-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--rule); }
.hv-title { font-size: 12px; color: var(--muted); margin-left: 8px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.05em; }
.hv-body { padding: 18px; }
.hv-pipe { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.hv-col-h { font-size: 10.5px; color: var(--muted); margin-bottom: 8px; font-weight: 500; display: flex; justify-content: space-between; }
.hv-deal {
  background: var(--bg);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius);
  padding: 8px 9px;
  margin-bottom: 6px;
}
.hv-deal .nm { font-size: 11px; font-weight: 500; }
.hv-deal .pr { font-size: 11px; color: var(--accent); font-weight: 500; margin-top: 2px; }
.hv-deal.hot { border-left: 2px solid var(--amber); }
.hv-deal.win { border-color: var(--teal); }
.hv-deal.win .pr { color: var(--teal); }
.hv-float {
  position: absolute;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 14px 16px;
}
.hv-float.f1 { bottom: -26px; left: -34px; }
.hv-float.f2 { top: -24px; right: -28px; }
.hv-float .lbl { font-size: 10.5px; color: var(--muted); font-family: 'JetBrains Mono', monospace; letter-spacing: 0.05em; }
.hv-float .val { font-family: 'Fraunces', serif; font-size: 26px; font-weight: 500; margin-top: 2px; }
.hv-float .val small { font-size: 13px; color: var(--teal); font-family: 'IBM Plex Sans'; }

/* ===== Logos strip ===== */
.logos { padding: 28px 0 8px; }
.logos-label { text-align: center; color: var(--soft); margin-bottom: 22px; }
.logos-row { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; opacity: 0.62; }
.logo-item { font-family: 'Fraunces', serif; font-size: 21px; font-weight: 600; color: var(--ink-soft); letter-spacing: -0.01em; }

/* ===== Sections ===== */
section { position: relative; }
.section { padding: 96px 0; }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(32px, 4vw, 46px); margin: 18px 0 18px; letter-spacing: -0.03em; }
.section-head p { font-size: 18px; color: var(--muted); margin: 0; }
.bg-warm { background: var(--bg-warm); }
.bg-ink { background: var(--ink); color: #e7e2d5; }
.bg-ink h2, .bg-ink h3 { color: #fff; }

/* ===== Pain points ===== */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--radius-lg); overflow: hidden; }
.pain-cell { background: var(--bg); padding: 32px 28px; transition: background 0.2s; }
.pain-cell:hover { background: var(--card); }
.pain-cell .pc-x { font-family: 'Fraunces', serif; font-size: 15px; color: var(--accent); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.pain-cell h3 { font-size: 19px; margin-bottom: 8px; }
.pain-cell p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ===== Feature blocks ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 96px;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row.flip .feature-text { order: 2; }
.feature-text .eyebrow { margin-bottom: 16px; }
.feature-text h3 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 16px; }
.feature-text p { font-size: 16.5px; color: var(--muted); margin-bottom: 22px; }
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li { display: flex; gap: 12px; padding: 9px 0; font-size: 15px; color: var(--ink-soft); border-bottom: 1px solid var(--rule-soft); }
.feature-list li:last-child { border-bottom: none; }
.feature-list svg { color: var(--teal); flex-shrink: 0; margin-top: 4px; }
.feature-visual {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  min-height: 280px;
}

/* mini mockups inside feature visuals */
.mini-head { padding: 14px 18px; border-bottom: 1px solid var(--rule-soft); display: flex; align-items: center; justify-content: space-between; }
.mini-head .t { font-weight: 500; font-size: 14px; }
.mini-head .m { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--soft); letter-spacing: 0.08em; }
.mini-body { padding: 18px; }
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.bar-row .bl { font-size: 12.5px; color: var(--muted); width: 92px; flex-shrink: 0; }
.bar-track { flex: 1; height: 8px; background: var(--rule-soft); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; }
.bar-row .bv { font-size: 12px; color: var(--ink-soft); width: 36px; text-align: right; }

.unit-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; }
.uc { height: 26px; border-radius: 3px; display: flex; align-items: center; justify-content: center; font-size: 9px; font-weight: 500; }
.uc.av { background: #d7eee5; color: #0f766e; }
.uc.hd { background: #fbead0; color: #b45309; }
.uc.dp { background: #dbeafe; color: #1d4ed8; }
.uc.ct { background: #ede9fe; color: #6d28d9; }
.uc.sd { background: var(--rule-soft); color: var(--soft); }

.kanban { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kb-col { background: var(--bg); border-radius: var(--radius); padding: 10px; }
.kb-h { font-size: 11px; font-weight: 500; color: var(--muted); margin-bottom: 8px; display: flex; justify-content: space-between; }
.kb-card { background: var(--card); border: 1px solid var(--rule-soft); border-radius: var(--radius); padding: 8px; margin-bottom: 6px; }
.kb-card .n { font-size: 11px; font-weight: 500; }
.kb-card .p { font-size: 10.5px; color: var(--accent); margin-top: 2px; }

/* ===== Feature grid (small cards) ===== */
.fcard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fcard {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  transition: all 0.2s;
}
.fcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--rule); }
.fcard .ic {
  width: 44px; height: 44px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; color: #fff;
}
.fcard h3 { font-size: 19px; margin-bottom: 9px; }
.fcard p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ===== Solutions / segments ===== */
.seg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.seg-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  position: relative;
  overflow: hidden;
}
.seg-card .seg-top { height: 3px; position: absolute; top: 0; left: 0; right: 0; }
.seg-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--soft); letter-spacing: 0.12em; }
.seg-card h3 { font-size: 23px; margin: 12px 0 12px; }
.seg-card > p { font-size: 15px; color: var(--muted); margin-bottom: 20px; }
.seg-list { list-style: none; padding: 0; margin: 0; }
.seg-list li { font-size: 14px; color: var(--ink-soft); padding: 8px 0; padding-left: 22px; position: relative; border-top: 1px solid var(--rule-soft); }
.seg-list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }

/* ===== Stats band ===== */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.stat-item { text-align: center; }
.stat-num { font-family: 'Fraunces', serif; font-size: clamp(40px, 5vw, 60px); font-weight: 500; line-height: 1; letter-spacing: -0.03em; }
.stat-num em { font-style: normal; color: var(--accent); }
.bg-ink .stat-num em { color: #fb923c; }
.stat-label { font-size: 14px; color: var(--muted); margin-top: 10px; }
.bg-ink .stat-label { color: #a8a29e; }

/* ===== Testimonial ===== */
.quote-block { max-width: 860px; margin: 0 auto; text-align: center; }
.quote-block .qmark { font-family: 'Fraunces', serif; font-size: 80px; line-height: 0.5; color: var(--accent); display: block; margin-bottom: 24px; }
.quote-block blockquote {
  font-family: 'Fraunces', serif;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.32;
  font-weight: 400;
  margin: 0 0 32px;
  letter-spacing: -0.02em;
}
.quote-author { display: flex; align-items: center; justify-content: center; gap: 14px; }
.qa-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-weight: 600; font-family: 'Fraunces', serif; font-size: 18px; }
.qa-meta { text-align: left; }
.qa-name { font-weight: 500; font-size: 15px; }
.qa-role { font-size: 13px; color: var(--muted); }

/* ===== Case study cards ===== */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  transition: all 0.2s;
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.case-tag { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); background: #d7eee5; padding: 4px 10px; border-radius: 20px; margin-bottom: 18px; }
.case-metric { font-family: 'Fraunces', serif; font-size: 44px; font-weight: 500; line-height: 1; letter-spacing: -0.03em; color: var(--accent); margin-bottom: 8px; }
.case-card h3 { font-size: 20px; margin-bottom: 10px; }
.case-card .cc-desc { font-size: 14.5px; color: var(--muted); margin-bottom: 20px; }
.case-card .cc-quote { font-size: 14.5px; color: var(--ink-soft); font-style: italic; border-left: 2px solid var(--rule); padding-left: 16px; margin-bottom: 16px; }
.case-card .cc-author { font-size: 13px; color: var(--muted); }
.case-card .cc-author strong { color: var(--ink); font-weight: 500; }

/* ===== Pricing ===== */
.price-toggle { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 48px; }
.price-toggle .pt-label { font-size: 14.5px; color: var(--muted); transition: color 0.2s; }
.price-toggle .pt-label.active { color: var(--ink); font-weight: 500; }
.pt-switch { width: 48px; height: 27px; background: var(--accent); border-radius: 20px; position: relative; cursor: pointer; transition: background 0.2s; border: none; padding: 0; }
.pt-switch .knob { position: absolute; top: 3px; left: 3px; width: 21px; height: 21px; background: #fff; border-radius: 50%; transition: transform 0.22s; }
.pt-switch.year .knob { transform: translateX(21px); }
.pt-save { font-size: 12px; color: var(--teal); background: #d7eee5; padding: 3px 9px; border-radius: 20px; font-weight: 500; }

.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.price-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured { border-color: var(--accent); border-width: 1.5px; box-shadow: var(--shadow-md); }
.price-badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: 11px; font-weight: 500; padding: 4px 14px; border-radius: 20px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.06em; white-space: nowrap; }
.price-tier { font-family: 'Fraunces', serif; font-size: 22px; font-weight: 500; }
.price-tier-desc { font-size: 13px; color: var(--muted); margin: 6px 0 22px; min-height: 38px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.price-amount .num { font-family: 'Fraunces', serif; font-size: 40px; font-weight: 500; letter-spacing: -0.02em; }
.price-amount .cur { font-size: 16px; color: var(--muted); }
.price-period { font-size: 13px; color: var(--soft); margin-bottom: 24px; }
.price-card .btn { width: 100%; margin-bottom: 24px; }
.price-feats { list-style: none; padding: 0; margin: 0; }
.price-feats li { display: flex; gap: 10px; font-size: 13.5px; color: var(--ink-soft); padding: 7px 0; }
.price-feats svg { color: var(--teal); flex-shrink: 0; margin-top: 3px; }
.price-feats li.muted { color: var(--soft); }
.price-feats li.muted svg { color: var(--soft); }

/* comparison table */
.compare-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--rule); font-size: 14px; }
.compare-table thead th { font-family: 'Fraunces', serif; font-size: 17px; font-weight: 500; }
.compare-table thead th:not(:first-child), .compare-table td:not(:first-child) { text-align: center; }
.compare-table tbody tr:hover { background: var(--bg-warm); }
.compare-table .grp td { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); padding-top: 24px; }
.compare-table svg.yes { color: var(--teal); }
.compare-table .no { color: var(--soft); }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; cursor: pointer; font-family: 'Fraunces', serif; font-size: 19px; font-weight: 500; list-style: none; }
.faq-q::-webkit-details-marker { display: none; }
.faq-icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; transition: transform 0.2s; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; }
.faq-icon::before { top: 10px; left: 2px; right: 2px; height: 2px; }
.faq-icon::after { left: 10px; top: 2px; bottom: 2px; width: 2px; transition: transform 0.2s; }
details[open] .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-a { padding: 0 0 24px; font-size: 15px; color: var(--muted); max-width: 660px; }

/* ===== Forms ===== */
.form-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13.5px; font-weight: 500; color: var(--ink-soft); }
.form-field label .req { color: var(--accent); }
.form-field input, .form-field select, .form-field textarea {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--card);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--soft); margin-top: 4px; }
.form-success {
  display: none;
  background: #d7eee5;
  border: 1px solid #0f766e33;
  color: #0f766e;
  padding: 16px 18px;
  border-radius: var(--radius);
  font-size: 14.5px;
  margin-bottom: 20px;
}
.form-success.show { display: block; }

/* ===== CTA band ===== */
.cta-band { text-align: center; padding: 84px 0; }
.cta-band h2 { font-size: clamp(34px, 4.5vw, 52px); margin-bottom: 20px; letter-spacing: -0.03em; }
.cta-band p { font-size: 18px; color: var(--muted); max-width: 540px; margin: 0 auto 32px; }
.bg-ink .cta-band p { color: #a8a29e; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--ink); color: #a8a29e; padding: 72px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 56px; }
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; max-width: 280px; line-height: 1.6; }
.footer-col h4 { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: #78716c; font-weight: 500; margin-bottom: 18px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { font-size: 14px; color: #d6d3d1; transition: color 0.15s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid #292524; padding-top: 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 13px; }
.footer-bottom .legal { display: flex; gap: 24px; }
.footer-bottom a:hover { color: #fff; }

/* ===== Page hero (interior pages) ===== */
.page-hero { padding: 72px 0 56px; border-bottom: 1px solid var(--rule); }
.page-hero.center { text-align: center; }
.page-hero h1 { font-size: clamp(40px, 5.5vw, 64px); margin: 20px 0 20px; letter-spacing: -0.035em; font-variation-settings: "opsz" 144; }
.page-hero h1 em { font-style: italic; font-weight: 400; color: var(--accent); }
.page-hero .lead { font-size: 19px; color: var(--muted); max-width: 620px; }
.page-hero.center .lead { margin: 0 auto; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 460px; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.flip .feature-text { order: 0; }
  .pain-grid, .fcard-grid, .seg-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .case-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr !important; gap: 40px !important; }
}
@media (max-width: 720px) {
  .container, .narrow { padding: 0 20px; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu-open .nav-links {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--rule);
    padding: 16px 20px; gap: 2px; box-shadow: var(--shadow-md);
  }
  .nav-menu-open .nav-links a { padding: 12px 14px; }
  .section { padding: 64px 0; }
  .form-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .compare-table { font-size: 12px; }
  .compare-table th, .compare-table td { padding: 10px 8px; }
}

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