/* KOLDEXI — refined landing */
* { box-sizing: border-box; }
:root {
  --bg: #0b1020;
  --bg-alt: #0e1430;
  --text: #e7e9f0;
  --muted: #a8b0c7;
  --brand-grad: linear-gradient(135deg,#7cf7c2,#66b2ff 60%,#b88cff);
  --brand-strong: #66b2ff;
  --card: rgba(255,255,255,0.06);
  --stroke: rgba(255,255,255,0.12);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

html, body { height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text); background: radial-gradient(1200px 800px at 80% -20%, #1b244a 0%, #0b1020 40%), #0b1020;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }

.container { width: min(1120px, 92%); margin-inline: auto; }

a { color: var(--brand-strong); text-decoration: none; }
a:hover { text-decoration: underline; color: #7cf7c2; }

/* Header */
.header { position: sticky; top: 0; backdrop-filter: saturate(160%) blur(10px); background: rgba(11,16,32,0.7); border-bottom: 1px solid var(--stroke); z-index: 50;}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display:flex; gap: 10px; align-items: center; text-decoration: none; color: var(--text); font-weight: 700; letter-spacing: .2px;}
.brand img { filter: drop-shadow(0 6px 16px rgba(102,178,255,.45)); }
.menu { display: flex; gap: 22px; align-items: center; }
.menu a { color: var(--text); opacity: .86; text-decoration: none; transition: opacity .2s ease; }
.menu a:hover { opacity: 1; }
.btn { border: 1px solid var(--stroke); padding: 10px 16px; border-radius: 12px; text-decoration: none; display: inline-flex; gap: 8px; align-items: center; font-weight: 700; letter-spacing: .2px; }

/* Crystal‑clear primary button (no blur) */
.btn--primary {
  background: var(--brand-grad);
  color: #0b1020;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(102,178,255,.25);
  transition: transform .12s ease, box-shadow .2s ease, opacity .2s ease;
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(102,178,255,.35); }
.btn--ghost { background: transparent; color: var(--text); }
.btn--lg { padding: 14px 20px; border-radius: 14px; }

/* Burger */
.burger { display:none; background:none; border:0; padding:8px; }
.burger span { display:block; width:24px; height:2px; background:#cfe2ff; margin:5px 0; border-radius:2px; }

/* Hero */
.hero { position: relative; padding: 72px 0 0; overflow: clip; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.08; margin: 0 0 14px; letter-spacing: -0.02em; }
.lead { font-size: clamp(16px, 2vw, 18px); color: var(--muted); margin: 0 0 20px; }
.cta { display: flex; gap: 12px; margin: 12px 0 18px; flex-wrap: wrap; }
.trust { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 0; list-style: none; color: #c9d3f3; }
.trust li { display:flex; gap:10px; align-items:center; background: var(--card); border: 1px solid var(--stroke); padding: 10px 12px; border-radius: 12px; backdrop-filter: blur(6px); }
.trust img { width: 18px; opacity: .9; }
.hero__art { position: relative; }
.grad { background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.wave { position: absolute; bottom: -1px; left: 0; width: 100%; opacity: .8; }

/* Sections */
.section { padding: 72px 0; }
.section--alt { background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)); border-top:1px solid var(--stroke); border-bottom:1px solid var(--stroke); }
.two-col { display:grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
h2 { font-size: clamp(24px, 3.5vw, 36px); margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 26px; }
.checklist { list-style: none; padding:0; margin: 16px 0 0; display: grid; gap: 10px; }
.checklist li { display:flex; gap:10px; align-items:center; color:#d9e1ff; }
.checklist img { width:18px; }

.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; background: linear-gradient(180deg, rgba(102,178,255,0.12), rgba(124,247,194,0.10)); padding: 18px; border-radius: 16px; border:1px solid var(--stroke); box-shadow: var(--shadow); }
.kpi { text-align:center; background: rgba(0,0,0,0.2); border: 1px solid var(--stroke); padding: 18px 12px; border-radius: 14px; }
.kpi span { display:block; font-size: 22px; font-weight: 800; letter-spacing: .2px; }
.kpi small { color: var(--muted); }

/* Roles */
.grid { display: grid; gap: 18px; }
.roles { grid-template-columns: repeat(3, 1fr); }
.role { background: var(--card); border: 1px solid var(--stroke); border-radius: 16px; padding: 18px; transition: transform .15s ease, border-color .2s ease; }
.role:hover { transform: translateY(-2px); border-color: rgba(124,247,194,0.3); }
.role img { width: 64px; margin-bottom: 10px; filter: drop-shadow(0 8px 20px rgba(124,247,194,0.25)); }
.role h3 { margin: 8px 0 8px; letter-spacing: .2px; }
.role p { margin:0; color: #c6d0ee; }

/* Process */
.timeline { display:grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { background: var(--card); border: 1px solid var(--stroke); border-radius: 16px; padding: 18px; position: relative; }
.badge { position:absolute; top:-12px; left:14px; width:28px; height:28px; display:grid; place-items:center; border-radius:50%; background: var(--brand-grad); color:#001226; font-weight:800; box-shadow: var(--shadow); }

/* Contact */
.contact { display:grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: start; }
.contact__list { list-style:none; padding:0; margin:16px 0 0; display:grid; gap:10px; color:#d9e1ff; }
.contact__list img { width:18px; }
.form { background: var(--card); border: 1px solid var(--stroke); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.field { display:grid; gap:8px; margin-bottom: 12px; }
label { font-size: 14px; color:#cfdbff; }
input, select, textarea { background: #0c1536; border: 1px solid var(--stroke); border-radius: 12px; padding: 12px; color: var(--text); outline: none; }
input:focus, select:focus, textarea:focus { border-color:#66b2ff; box-shadow: 0 0 0 3px rgba(102,178,255,0.25); }
.checkbox { display:flex; gap:8px; align-items:center; font-size:14px; color:#cbd7ff; }
.form__footer { display:flex; align-items:center; justify-content: space-between; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.form__status { margin: 10px 0 0; min-height: 22px; color: #a8f7c8; font-weight: 700; }

/* Footer */
.footer { border-top:1px solid var(--stroke); padding: 28px 0; background: rgba(255,255,255,0.02); }
.footer__grid { display:grid; grid-template-columns: 1fr auto auto; align-items:center; gap: 12px; }
.footnav { display:flex; gap: 16px; }
.footnav a, .legal a { color:#d9e1ff; text-decoration:none; opacity:.8; }
.footnav a:hover, .legal a:hover { opacity:1; }
.brand--footer { opacity:.9; }
.legal { display:flex; gap: 14px; color:#96a3c7; }

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid, .two-col, .contact { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .roles { grid-template-columns: repeat(2, 1fr); }
  .menu { display:none; }
  .burger { display:block; }
}
@media (max-width: 640px) {
  .roles { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .form__footer { flex-direction: column; align-items: flex-start; gap: 14px; }
}