/* ============================================================
   Davision Marketing — site styles
   Brand: warm paper / deep ink-blue / electric-blue accent
   Type: Inter (Google Fonts)
   ============================================================ */

:root {
  --paper: #F5F1EA;
  --paper-2: #EFEAE0;
  --ink: #0E1727;
  --ink-2: #1B2638;
  --ink-soft: #4A5468;
  --muted: #7A8294;
  --line: #E2DCCF;
  --accent: #2D5BFF;
  --accent-soft: #E1E7FF;

  --max: 1200px;
  --gutter: 32px;

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;

  --t-sans: "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --t-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--t-sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-size: 17px;
  line-height: 1.55;
  font-weight: 400;
}

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}
a:hover { border-bottom-color: var(--ink); }

a.subtle { color: var(--ink-soft); }
a.subtle:hover { color: var(--ink); }

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

::selection { background: var(--accent); color: #fff; }

/* ---------- layout ---------- */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section {
  padding: 120px 0;
  border-bottom: 1px solid var(--line);
}
section:last-of-type { border-bottom: 0; }

.section-eyebrow {
  font-family: var(--t-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 28px 0;
}

/* ---------- type ---------- */

h1, h2, h3, h4 {
  font-weight: 300;
  letter-spacing: -0.022em;
  line-height: 1.05;
  color: var(--ink);
  margin: 0;
}

h1 {
  font-size: clamp(44px, 6.4vw, 88px);
  letter-spacing: -0.032em;
}

h2 {
  font-size: clamp(34px, 4.4vw, 60px);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 400;
  letter-spacing: -0.012em;
  line-height: 1.2;
}

h4 {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0;
}

p { margin: 0 0 1em 0; }
p.lede {
  font-size: clamp(19px, 1.6vw, 24px);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 400;
  max-width: 680px;
}

.dot { color: var(--accent); }
em.accent { font-style: normal; color: var(--accent); }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 234, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  border: 0;
}
.nav-brand .dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 15px;
  color: var(--ink-soft);
  border: 0;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 500; }

.nav-cta {
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-sm);
  border: 0;
}
.nav-cta:hover { background: var(--accent); color: #fff; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  font-family: inherit;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--accent); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); }
.btn .arrow { transform: translateY(-1px); }

/* ---------- hero ---------- */

.hero {
  padding: 100px 0 120px;
  border-bottom: 1px solid var(--line);
}
.hero .eyebrow {
  font-family: var(--t-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.hero .eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}
.hero h1 { max-width: 14ch; }
.hero p.lede { margin-top: 28px; }
.hero .actions {
  margin-top: 40px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- stat band ---------- */

.stats {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.stat .num {
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--ink);
}
.stat .num .dot { color: var(--accent); }
.stat .label {
  font-family: var(--t-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 14px;
}

/* ---------- services grid ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.service-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 36px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.service-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.service-card .num {
  font-family: var(--t-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.service-card h3 { margin-bottom: 12px; }
.service-card p {
  color: var(--ink-soft);
  margin-bottom: 0;
}
.service-card ul {
  margin-top: 18px;
  padding: 0;
  list-style: none;
  font-size: 15px;
  color: var(--ink-soft);
}
.service-card li {
  padding: 6px 0;
  border-top: 1px dashed var(--line);
}
.service-card li:first-child { border-top: 0; }

/* ---------- two-col text ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

/* ---------- pricing ---------- */

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.tier {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
}
.tier.featured {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.tier.featured .price-num { color: var(--paper); }
.tier.featured h3 { color: var(--paper); }
.tier.featured ul li { color: rgba(245, 241, 234, 0.78); border-color: rgba(245, 241, 234, 0.12); }
.tier.featured .pilot { color: rgba(245, 241, 234, 0.65); }
.tier.featured .badge { background: var(--accent); color: #fff; }

.tier .badge {
  display: inline-block;
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.tier h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 8px;
}
.tier .audience {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 26px;
}
.tier.featured .audience { color: rgba(245, 241, 234, 0.6); }
.tier .price-num {
  font-size: 44px;
  font-weight: 300;
  letter-spacing: -0.022em;
  line-height: 1;
}
.tier .price-suffix {
  font-size: 14px;
  color: var(--muted);
  margin-left: 4px;
}
.tier .pilot {
  font-family: var(--t-mono);
  font-size: 12px;
  color: var(--accent);
  margin-top: 8px;
  letter-spacing: 0.04em;
}
.tier ul {
  list-style: none;
  margin: 28px 0 0 0;
  padding: 0;
  font-size: 15px;
  color: var(--ink-soft);
}
.tier ul li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.tier ul li::before {
  content: "·";
  color: var(--accent);
  margin-right: 10px;
  font-weight: 700;
}
.tier .cta-btn {
  margin-top: 28px;
}

/* ---------- proof / case studies ---------- */

.case-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 56px;
}
.case {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 36px;
}
.case .label {
  font-family: var(--t-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.case h3 { margin-bottom: 12px; }
.case .metric {
  font-size: 36px;
  font-weight: 300;
  letter-spacing: -0.022em;
  margin: 24px 0 6px;
}
.case .metric .dot { color: var(--accent); }
.case .metric-label {
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- big quote / manifesto ---------- */

.manifesto {
  background: var(--ink);
  color: var(--paper);
  padding: 140px 0;
  border-bottom: 1px solid var(--ink);
}
.manifesto h2 {
  color: var(--paper);
  max-width: 18ch;
  font-weight: 200;
  font-size: clamp(36px, 5vw, 64px);
}
.manifesto p {
  color: rgba(245, 241, 234, 0.7);
  max-width: 56ch;
  margin-top: 28px;
  font-size: clamp(17px, 1.4vw, 19px);
}
.manifesto .accent-dot {
  color: var(--accent);
  font-weight: 400;
}

/* ---------- process steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.step {
  border-top: 1px solid var(--ink);
  padding-top: 24px;
  position: relative;
}
.step .week {
  font-family: var(--t-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.step h3 {
  font-size: 28px;
  font-weight: 300;
  margin-bottom: 14px;
}
.step p {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0;
}

/* ---------- big CTA ---------- */

.cta-band {
  padding: 120px 0;
  text-align: center;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.cta-band h2 {
  max-width: 22ch;
  margin: 0 auto 24px;
}
.cta-band p {
  max-width: 52ch;
  margin: 0 auto 36px;
  color: var(--ink-soft);
}

/* ---------- form ---------- */

.form {
  display: grid;
  gap: 18px;
  max-width: 640px;
}
.form label {
  display: block;
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  transition: border-color 0.18s ease;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--ink);
}
.form textarea { min-height: 120px; resize: vertical; }
.form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form button {
  margin-top: 12px;
  align-self: start;
}

/* ---------- footer ---------- */

.foot {
  background: var(--ink);
  color: rgba(245, 241, 234, 0.7);
  padding: 80px 0 40px;
  border-bottom: 0;
  border-top: 1px solid var(--ink);
}
.foot a { color: rgba(245, 241, 234, 0.85); }
.foot a:hover { color: var(--paper); border-bottom-color: var(--paper); }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 64px;
}
.foot h4 {
  color: var(--paper);
  font-family: var(--t-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 18px;
}
.foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.foot .brand-block .word {
  font-size: 22px;
  font-weight: 500;
  color: var(--paper);
  margin-bottom: 10px;
}
.foot .brand-block .word .dot { color: var(--accent); }
.foot-bottom {
  border-top: 1px solid rgba(245, 241, 234, 0.12);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(245, 241, 234, 0.5);
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- utility ---------- */

.muted { color: var(--muted); }
.center { text-align: center; }
.mono {
  font-family: var(--t-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  section { padding: 80px 0; }
  .hero { padding: 64px 0 80px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .tier-grid { grid-template-columns: 1fr; }
  .case-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .nav-links { gap: 18px; }
  .nav-links li:nth-child(n+4) { display: none; } /* hide later items on small screens */
  .nav-cta { padding: 8px 14px; font-size: 13px; }
  .manifesto { padding: 80px 0; }
}

@media (max-width: 540px) {
  body { font-size: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-bottom { flex-direction: column; align-items: flex-start; }
}