:root {
  --navy: #0f2a4a;
  --navy-soft: #1c3a63;
  --ink: #0a1929;
  --muted: #4a5568;
  --line: #e2e8f0;
  --bg: #f7f8fa;
  --bg-alt: #eef2f7;
  --surface: #ffffff;
  --accent: #2b9d8f;
  --accent-dark: #1f7a6f;
  --warn: #c98a2b;
  --max: 1120px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.site-header .row { padding: 14px 0; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px;
  background: var(--navy); color: #fff;
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.brand-name { font-size: 18px; letter-spacing: -0.2px; }
.brand-tld { color: var(--muted); font-weight: 500; }

.site-nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.site-nav a { color: var(--muted); font-size: 14.5px; }
.site-nav a:hover { color: var(--ink); text-decoration: none; }
.site-nav .nav-cta {
  background: var(--navy); color: #fff;
  padding: 8px 14px; border-radius: 6px;
}
.site-nav .nav-cta:hover { background: var(--navy-soft); color: #fff; }

/* Hero */
.hero {
  padding: 72px 0 56px;
  background:
    radial-gradient(1200px 360px at 20% -40%, rgba(43,157,143,0.10), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 13px; color: var(--accent-dark); font-weight: 600;
  margin: 0 0 14px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin: 0 0 18px;
  color: var(--navy);
  max-width: 880px;
}
.hero .lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 760px;
  margin: 0 0 26px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-note { font-size: 14px; color: var(--muted); margin: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-soft); color: #fff; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); text-decoration: none; }

/* Sections */
.section { padding: 64px 0; border-bottom: 1px solid var(--line); }
.section-alt { background: var(--bg-alt); }
.section-cta { background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%); }
.section-title {
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: -0.3px;
  margin: 0 0 14px;
  color: var(--navy);
}
.section-lead { color: var(--muted); font-size: 17px; max-width: 800px; margin: 0 0 32px; }

/* Card grid (problem) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 22px 24px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--ink);
}
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Steps */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 20px;
  counter-reset: step;
}
.steps li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
}
.step-num {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px;
  background: var(--navy); color: #fff;
  border-radius: 50%;
  font-weight: 700; font-size: 18px;
}
.steps h3 { margin: 0 0 6px; font-size: 17px; color: var(--ink); }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* Categories */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.cat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 18px;
}
.cat h3 { margin: 0 0 6px; font-size: 15.5px; color: var(--ink); }
.cat p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Methodology */
.meth {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.meth h3 { margin: 0 0 6px; font-size: 16.5px; color: var(--ink); }
.meth p { margin: 0; color: var(--muted); font-size: 15px; }

/* Form */
.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  margin: 24px 0 14px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row label { font-size: 14px; color: var(--muted); }
.form-row input, .form-row select {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}
.form-row input:focus, .form-row select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15,42,74,0.10);
}
.form-actions { display: flex; gap: 12px; }
.form-msg { margin: 12px 0 0; font-size: 14px; min-height: 1.2em; }
.form-msg.ok  { color: var(--accent-dark); }
.form-msg.err { color: #b03a2e; }
.legal-note { font-size: 13px; color: var(--muted); }

/* Footer */
.site-footer { padding: 28px 0 36px; background: var(--surface); border-top: 1px solid var(--line); }
.footer-row { padding: 12px 0 20px; align-items: flex-start; }
.footer-brand { font-weight: 600; color: var(--ink); margin: 0 0 4px; }
.footer-small { color: var(--muted); font-size: 13.5px; margin: 0; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; align-items: flex-start; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--ink); text-decoration: none; }

/* Page hero (sub-pages) */
.page-hero {
  padding: 56px 0 40px;
  background:
    radial-gradient(900px 280px at 15% -40%, rgba(43,157,143,0.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.4px;
  color: var(--navy);
  margin: 0 0 16px;
  max-width: 880px;
}
.page-hero .lead {
  font-size: 17.5px;
  color: var(--muted);
  max-width: 780px;
  margin: 0;
}

/* Key-value list (despre) */
.kv {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  overflow: hidden;
  margin: 0;
}
.kv > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 18px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.kv > div:last-child { border-bottom: none; }
.kv dt { color: var(--muted); font-size: 14px; font-weight: 500; }
.kv dd { margin: 0; color: var(--ink); font-size: 15px; }

/* Founders list */
.people {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.people li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy);
  border-radius: 7px;
  padding: 12px 16px;
  font-weight: 500;
  color: var(--ink);
}

/* Domains grid (despre) */
.domains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.dom {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
}
.dom h3 { margin: 0 0 8px; font-size: 16.5px; color: var(--ink); }
.dom p  { margin: 0; color: var(--muted); font-size: 15px; }
.dom-highlight {
  border-color: var(--accent);
  background: linear-gradient(180deg, #fafffe 0%, #ffffff 60%);
}
.dom-highlight h3 { color: var(--accent-dark); }

/* CTA line / generic helpers */
.cta-line { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 0; }
.muted { color: var(--muted); }
.small { font-size: 13.5px; }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 1.4fr);
  gap: 24px;
  align-items: start;
}
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px 26px;
}
.contact-card h2 {
  margin: 0 0 16px;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.2px;
}
.contact-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.contact-list li { display: grid; gap: 4px; }
.contact-list .ci {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 12.5px;
  color: var(--muted);
  font-weight: 600;
}
.contact-list a { color: var(--navy); font-weight: 500; }
.contact-list address { font-style: normal; color: var(--ink); line-height: 1.55; }

.form-tight { padding: 0; border: none; margin: 0; background: transparent; }
.form-row textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
  min-height: 120px;
}
.form-row textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15,42,74,0.10);
}

/* Small screens */
@media (max-width: 640px) {
  .site-nav { gap: 14px; font-size: 14px; }
  .site-nav .nav-cta { padding: 6px 10px; }
  .hero { padding: 56px 0 40px; }
  .section { padding: 48px 0; }
  .steps li { grid-template-columns: 44px 1fr; gap: 14px; padding: 16px 18px; }
  .step-num { width: 36px; height: 36px; font-size: 16px; }
  .kv > div { grid-template-columns: 1fr; gap: 4px; }
  .contact-grid { grid-template-columns: 1fr; }
}