:root {
  --navy: #0b1630;
  --navy-2: #12224a;
  --ink: #0f172a;
  --muted: #5b6577;
  --line: #e3e7ef;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --accent: #3ee6a8;
  --accent-ink: #0a7a55;
  --radius: 14px;
  --max: 1140px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Space Grotesk", var(--font);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent-ink); margin-bottom: 14px;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; }
.section-head { max-width: 680px; margin-bottom: 48px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 22, 48, .96); backdrop-filter: blur(8px);
  color: #fff;
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 1.25rem; letter-spacing: .02em; }
.brand img { width: 32px; height: 32px; }
.brand .wordmark b { color: var(--accent); font-weight: inherit; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; font-weight: 500; font-size: .95rem; color: #cfd7ea; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .15s;
  font-family: var(--font);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--navy); }
.btn-primary:hover { background: #5bf0ba; }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; }
.btn-dark { background: var(--navy); color: #fff; }
.nav-links .btn { color: var(--navy); padding: 9px 18px; }

/* Hero */
.hero {
  background:
    radial-gradient(900px 400px at 85% 10%, rgba(62,230,168,.18), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff; padding: 110px 0 120px; position: relative; overflow: hidden;
}
.hero .lead { color: #c3cce0; font-size: 1.2rem; }
.hero h1 span { color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero-chart { width: 100%; height: auto; opacity: .95; }

.page-hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 80px 0 72px; }
.page-hero .lead { color: #c3cce0; }

/* Cards */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: #c9d2e3; box-shadow: 0 10px 30px rgba(15, 23, 42, .06); }
.card p { color: var(--muted); margin: 0; }
.card ul { color: var(--muted); padding-left: 1.1em; margin: 12px 0 0; }
.card li { margin-bottom: 6px; }
.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(62,230,168,.14); color: var(--accent-ink); margin-bottom: 18px;
}
.icon svg { width: 24px; height: 24px; }

.audience { padding: 36px; }
.audience h3 { font-size: 1.4rem; }

/* Steps */
.steps { counter-reset: step; }
.step { position: relative; padding-top: 56px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: 0; left: 0; font-family: var(--display); font-weight: 700;
  font-size: 2rem; color: var(--accent-ink);
}
.step p { color: var(--muted); }

/* Service detail */
.service { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 36px 0; border-top: 1px solid var(--line); }
.service:first-child { border-top: 0; }
.service .icon { margin: 0; width: 56px; height: 56px; }
.service p { color: var(--muted); max-width: 720px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag { font-size: .82rem; background: var(--bg-soft); border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px; color: var(--muted); }

/* CTA band */
.cta-band { background: var(--navy); color: #fff; border-radius: 20px; padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { margin: 0 0 8px; }
.cta-band p { color: #c3cce0; margin: 0; }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.field .opt { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; font: inherit; color: var(--ink);
  border: 1px solid #cdd4e1; border-radius: 10px; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent-ink); box-shadow: 0 0 0 3px rgba(62,230,168,.25);
}
.field textarea { min-height: 140px; resize: vertical; }
.hidden { position: absolute; left: -9999px; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 12px; }
.checklist { list-style: none; padding: 0; margin: 24px 0 0; }
.checklist li { padding-left: 30px; position: relative; margin-bottom: 14px; color: var(--muted); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b1630' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat;
}

/* Footer */
.site-footer { background: var(--navy); color: #9aa6c2; padding: 48px 0 32px; font-size: .92rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 32px; padding-top: 20px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-chart { max-width: 460px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .hero { padding: 72px 0 80px; }
  .grid-2, .grid-3, .form-row { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--navy); padding: 8px 20px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; }
  .nav-links .btn { display: inline-flex; margin-top: 8px; padding: 10px 18px; }
  .service { grid-template-columns: 1fr; gap: 14px; }
  .cta-band { padding: 36px 24px; }
  .form { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}