/* VertX Ventures — site styles */
:root {
  --bg: #0B0E1A;
  --surface: #11152A;
  --line: #1F2438;
  --line-strong: #2E3552;
  --text: #F3F5F7;
  --text-2: #D3D9DF;
  --muted: #A9B2BC;
  --subtle: #8B95A1;
  --dim: #6E7894;
  --accent: #22B8F0;
  --on-accent: #06090C;
  --error: #FF6B5C;
  --max: 1200px;
  --gutter: 24px;
  --sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; }
a:hover { color: #fff; }
h1, h2, h3, p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { border-bottom: 1px solid var(--line); }
.section > .container { padding-top: 112px; padding-bottom: 112px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.03em;
  max-width: 620px;
}
.muted { color: var(--muted); }
.section-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: 32px; margin-bottom: 64px;
}
.section-head > p { max-width: 360px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  border-radius: 6px; font: 500 15px/1 var(--sans);
  border: 1px solid var(--line-strong); background: transparent; color: var(--text);
  cursor: pointer; transition: background .15s, border-color .15s, opacity .15s;
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { color: var(--on-accent); opacity: .9; border-color: var(--accent); }
.btn-sm { min-height: 44px; padding: 0 16px; font-size: 14px; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 14, 26, 0.88);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.site-header .container { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo img { width: 52px; height: 52px; border-radius: 8px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav-links { display: flex; gap: 28px; font-size: 14px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.menu-btn { display: none; }

/* Hero */
.hero > .container { padding-top: 104px; padding-bottom: 64px; }
.hero-kicker {
  display: flex; align-items: center; gap: 10px; margin-bottom: 32px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--subtle);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 40px; }
.hero h1 {
  flex: 1 1 560px;
  font-size: clamp(44px, 7vw, 92px); line-height: 1; font-weight: 500; letter-spacing: -0.035em;
}
.hero h1 span { display: block; color: var(--dim); }
.hero-side { flex: 0 1 400px; }
.hero-side p { font-size: 18px; line-height: 1.6; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-img {
  width: 100%; height: clamp(240px, 36vw, 460px); margin-top: 72px;
  object-fit: cover; object-position: 60% 40%;
  border-radius: 12px; border: 1px solid var(--line);
}
.stats { border-top: 1px solid var(--line); }
.stats .container { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.stat { padding: 28px 24px; border-right: 1px solid var(--line); }
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-size: 32px; font-weight: 500; letter-spacing: -0.02em; }
.stat span { font-size: 14px; color: var(--subtle); }

/* Services */
.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.service { display: flex; flex-direction: column; gap: 16px; }
.service img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.service-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.num { font-family: var(--mono); font-size: 13px; color: var(--dim); }
.pill {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--muted);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 10px;
}
.service h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; }
.service p { color: var(--muted); }
.service ul {
  margin: auto 0 0; padding: 16px 0 0; list-style: none;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--text-2);
}

/* Portfolio */
.link-arrow { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 500; border-bottom: 1px solid var(--line-strong); }
.portfolio { border-top: 1px solid var(--line); }
.company {
  display: flex; flex-wrap: wrap; align-items: center; gap: 20px 40px;
  padding: 28px 0; border-bottom: 1px solid var(--line);
}
.company-img { flex: 0 0 200px; height: 128px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.company-img img { width: 100%; height: 100%; object-fit: cover; }
.company-img.light { background: #F4F7FB; }
.company-img.light img { object-fit: contain; }
.company-name { flex: 1 1 240px; min-width: 0; }
.company-name .num { display: block; font-size: 12px; margin-bottom: 6px; }
.company-name h3 { font-size: 28px; font-weight: 500; letter-spacing: -0.02em; }
.company-name p { font-size: 14px; color: var(--subtle); margin-top: 2px; }
.company-desc { flex: 2 1 280px; color: var(--muted); font-size: 15px; }
.tags { flex: 1 1 200px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; margin: 0; padding: 0; list-style: none; }
.tags li {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--muted);
  border: 1px solid var(--line-strong); border-radius: 4px; padding: 4px 8px;
}

/* About */
.about { display: flex; flex-wrap: wrap; gap: 64px; align-items: flex-start; }
.about-text { flex: 3 1 520px; min-width: 0; }
.about-text .lead { font-size: clamp(26px, 3vw, 36px); line-height: 1.3; font-weight: 400; letter-spacing: -0.02em; }
.about-text .lead span { color: var(--dim); }
.principles { margin-top: 56px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); border-top: 1px solid var(--line); }
.principles div { padding: 24px 24px 24px 0; border-bottom: 1px solid var(--line); }
.principles strong { display: block; font-weight: 500; }
.principles span { font-size: 14px; color: var(--subtle); }
.about-img { flex: 2 1 340px; min-width: 0; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); }

/* Contact */
.contact { display: flex; flex-wrap: wrap; gap: 64px; }
.contact-intro { flex: 1 1 340px; min-width: 0; }
.contact-intro h2 { font-size: clamp(36px, 5vw, 64px); line-height: 1.02; font-weight: 500; letter-spacing: -0.035em; }
.contact-intro p { margin-top: 28px; max-width: 420px; color: var(--muted); }
.contact-mail { margin-top: 36px; display: inline-flex; align-items: center; min-height: 44px; font-size: 20px; font-weight: 500; border-bottom: 1px solid var(--accent); }
.form {
  flex: 1 1 420px; min-width: 0;
  display: flex; flex-direction: column; gap: 20px;
  border: 1px solid var(--line); border-radius: 10px; padding: 32px; background: var(--surface);
}
.form-row { display: flex; flex-wrap: wrap; gap: 20px; }
.field { flex: 1 1 180px; display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--muted); }
.field input, .field textarea {
  width: 100%; min-height: 46px; padding: 0 14px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line-strong); border-radius: 6px;
  font: 15px/1.4 var(--sans);
}
.field textarea { padding: 12px 14px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
fieldset { margin: 0; padding: 0; border: 0; }
legend { font-size: 13px; color: var(--muted); margin-bottom: 8px; padding: 0; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choice {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 14px;
  border: 1px solid var(--line-strong); border-radius: 6px; font-size: 14px; cursor: pointer;
}
.choice input { margin: 0; accent-color: var(--accent); }
.choice:has(input:checked) { border-color: var(--accent); }
.form .btn-primary { align-self: flex-start; }
.form-message { font-size: 14px; padding: 12px 14px; border-radius: 6px; }
.form-message.ok { color: var(--accent); background: rgba(34, 184, 240, 0.1); }
.form-message.err { color: var(--error); background: rgba(255, 107, 92, 0.1); }

/* Footer */
.site-footer .container {
  padding-top: 48px; padding-bottom: 56px;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px;
  font-size: 13px; color: var(--subtle);
}
.footer-brand { display: flex; align-items: center; gap: 14px; color: var(--text); font-weight: 500; }
.footer-brand img { width: 40px; height: 40px; border-radius: 6px; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 8px 32px; }
.footer-meta a { color: var(--muted); }

/* Mobile */
@media (max-width: 760px) {
  .section > .container { padding-top: 80px; padding-bottom: 80px; }
  .hero > .container { padding-top: 64px; }
  .menu-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: 6px;
    background: transparent; color: var(--text); cursor: pointer;
  }
  .nav-links {
    display: none; position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 8px var(--gutter) 16px;
    background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; font-size: 16px; }
  .nav { gap: 12px; }
  .stat { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .company-img { flex-basis: 100%; height: 180px; }
  .tags { justify-content: flex-start; }
  .form { padding: 24px; }
}