/* Dana AI — colors sampled from the logo */
:root {
  --navy: #0d1a3a;
  --navy-2: #13244d;
  --blue: #2352d6;
  --teal: #1fb7c6;
  --ink: #18223a;
  --muted: #56627a;
  --line: #e3e8f1;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --grad: linear-gradient(100deg, var(--blue), var(--teal));
  --radius: 14px;
  --shadow: 0 1px 2px rgba(13, 26, 58, .04), 0 8px 24px rgba(13, 26, 58, .06);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--navy); letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
a { color: var(--blue); }

.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.eyebrow {
  font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blue); margin-bottom: .75em;
}
.eyebrow-light { color: var(--teal); }
.section-title { max-width: 720px; margin-bottom: 1.4em; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px;
  background: var(--grad); color: #fff; font-weight: 600; text-decoration: none;
  box-shadow: 0 6px 18px rgba(35, 82, 214, .25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(35, 82, 214, .32); }
.btn-small { padding: 8px 18px; font-size: .92rem; box-shadow: none; }
.btn-large { padding: 16px 32px; font-size: 1.1rem; }
.btn-ghost { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); }
.btn-light { background: #fff; color: var(--navy); box-shadow: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand img { display: block; height: 36px; width: auto; mix-blend-mode: multiply; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .96rem; }
.site-nav a:not(.btn):hover { color: var(--blue); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero {
  padding: 96px 0 104px;
  background:
    radial-gradient(800px 400px at 85% 10%, rgba(31, 183, 198, .12), transparent 70%),
    radial-gradient(700px 400px at 10% 90%, rgba(35, 82, 214, .08), transparent 70%),
    var(--bg-soft);
}
.hero-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 600px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-card {
  background: var(--navy); color: #c9d3e8; border-radius: 20px; padding: 36px;
  box-shadow: 0 24px 60px rgba(13, 26, 58, .25); position: relative; overflow: hidden;
}
.hero-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--grad);
}
.hero-card-word { font-size: 3rem; font-weight: 700; color: #fff; margin: 0; letter-spacing: -.02em; }
.hero-card-def { color: var(--teal); margin-bottom: 1.2em; }
.hero-card-note { margin: 0; font-size: .98rem; line-height: 1.65; }

/* Grids & cards */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.problem { border-bottom: 1px solid var(--line); }
.problem-item, .audience-item { border-top: 3px solid; border-image: var(--grad) 1; padding-top: 20px; }
.problem-item p, .audience-item p { color: var(--muted); margin: 0; }

.services { background: var(--bg-soft); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card p { color: var(--muted); margin: 0; }
.card-num { display: block; font-weight: 700; font-size: .9rem; color: var(--teal); margin-bottom: 14px; }
.card-accent { background: var(--navy); border-color: var(--navy); }
.card-accent h3 { color: #fff; }
.card-accent p { color: #c9d3e8; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.steps li { counter-increment: step; position: relative; padding-top: 64px; }
.steps li::before {
  content: counter(step); position: absolute; top: 0; left: 0;
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-weight: 700;
}
.steps li:not(:last-child)::after {
  content: ""; position: absolute; top: 22px; left: 56px; right: -12px; height: 2px; background: var(--line);
}
.steps p { color: var(--muted); margin: 0; }

.audience { background: var(--bg-soft); }
.audience-note { margin: 40px 0 0; font-weight: 500; color: var(--navy); }

/* Pilot band */
.pilot { padding: 56px 0; background: var(--grad); color: #fff; }
.pilot-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.pilot h2 { color: #fff; margin-bottom: .3em; }
.pilot p { margin: 0; max-width: 680px; opacity: .95; }
.pilot .btn { flex-shrink: 0; }

/* Soroush */
.soroush { background: var(--navy); color: #c9d3e8; }
.soroush h2 { color: #fff; font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: .2em; }
.soroush-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; }
.soroush-tagline { font-size: 1.2rem; color: var(--teal); font-weight: 500; }
.soroush .btn { margin-top: 12px; }
.soroush-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.soroush-points li {
  background: var(--navy-2); border: 1px solid rgba(255, 255, 255, .08); border-radius: var(--radius); padding: 20px 22px;
}
.soroush-points strong { display: block; color: #fff; margin-bottom: 4px; }
.soroush-points span { font-size: .96rem; }

/* About */
.about-intro { font-size: 1.15rem; color: var(--muted); max-width: 720px; margin-bottom: 40px; }
.person { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.person h3 { margin-bottom: .15em; }
.person .role { color: var(--blue); font-weight: 500; font-size: .95rem; }
.person .person-email { margin-top: 12px; font-size: .95rem; }
.person p:last-child { color: var(--muted); margin: 0; }

/* Contact */
.contact { background: var(--bg-soft); text-align: center; }
.contact-inner { max-width: 720px; }
.contact p { color: var(--muted); font-size: 1.1rem; margin-bottom: 32px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; font-size: .9rem; color: var(--muted); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.footer-inner img { height: 28px; width: auto; mix-blend-mode: multiply; }
.footer-legal { order: 1; flex-basis: 100%; }

/* Privacy statement page */
.legal { padding: 64px 0 88px; }
.legal-inner { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.6rem); }
.legal h2 { font-size: 1.3rem; margin-top: 1.8em; }
.legal p { color: var(--muted); }
.legal-updated { font-size: .92rem; }
.legal address { font-style: normal; color: var(--muted); line-height: 1.7; margin-bottom: 1em; }

/* Responsive */
@media (max-width: 900px) {
  section { padding: 64px 0; }
  .hero { padding: 64px 0 72px; }
  .hero-inner, .soroush-inner { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .steps li::after { display: none; }
  .pilot-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 16px 20px;
  }
  .site-nav.open { display: flex; }
  .site-nav.site-nav-static { display: flex; position: static; padding: 0; border: 0; background: none; }
  .site-nav a:not(.btn) { padding: 10px 0; width: 100%; }
  .site-nav .btn { margin-top: 8px; }
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .hero-card { padding: 28px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}