:root {
  --bg: #070b18;
  --bg-soft: #0d1328;
  --surface: rgba(18, 27, 53, 0.72);
  --surface-strong: #121a33;
  --card: rgba(16, 25, 50, 0.82);
  --text: #ebf1ff;
  --muted: #a4b3d9;
  --primary: #5b8cff;
  --primary-2: #7c67ff;
  --accent: #23c7b5;
  --line: rgba(132, 157, 220, 0.28);
  --shadow: 0 24px 64px rgba(3, 10, 30, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 540px at 10% -15%, #1a2c6c 0%, transparent 60%),
    radial-gradient(900px 440px at 92% 8%, rgba(53, 117, 255, 0.23) 0%, transparent 58%),
    linear-gradient(180deg, #070b18 0%, #080d1c 100%);
  color: var(--text);
  line-height: 1.68;
  letter-spacing: 0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: min(1140px, 92%); margin: 0 auto; }

header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(6, 10, 22, 0.68);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 76px;
  gap: 18px;
}

.brand {
  font-weight: 750;
  letter-spacing: 0.02em;
  font-size: 17px;
}

.brand-wrap { display: flex; align-items: center; gap: 11px; }
.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(140, 170, 255, 0.4);
  box-shadow: 0 0 0 4px rgba(91, 140, 255, 0.15);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 9px;
  transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links .active {
  color: #fff;
  background: rgba(91, 140, 255, 0.14);
}

.hero {
  padding: 94px 0 54px;
}

.hero h1 {
  font-size: clamp(34px, 5.5vw, 60px);
  line-height: 1.05;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.hero p {
  color: var(--muted);
  max-width: 790px;
  font-size: clamp(17px, 2.1vw, 20px);
  margin: 0 0 28px;
}

.badge {
  color: #d6e2ff;
  border: 1px solid rgba(116, 154, 255, 0.55);
  background: rgba(76, 116, 244, 0.16);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  margin-bottom: 14px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 650;
  font-size: 14px;
  border: 1px solid var(--line);
  transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  border: 0;
  color: white;
  background: linear-gradient(92deg, var(--primary), var(--primary-2));
  box-shadow: 0 14px 34px rgba(91, 140, 255, 0.38);
}

.btn-primary:hover {
  box-shadow: 0 16px 36px rgba(110, 122, 255, 0.45);
}

.btn-ghost {
  background: rgba(124, 145, 210, 0.08);
  border-color: rgba(124, 145, 210, 0.3);
}

.section {
  position: relative;
  padding: 54px 0;
}

.section h1,
.section h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 3.3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.section h3 { line-height: 1.28; }

.section-intro {
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 860px;
}

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(127, 160, 241, 0.24);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.card p,
.card li {
  color: var(--muted);
  font-size: 15px;
}

.approach-card { display: flex; flex-direction: column; gap: 10px; }

.approach-visual {
  width: 100%;
  height: 148px;
  object-fit: contain;
  border: 1px solid rgba(167, 190, 246, 0.2);
  border-radius: 12px;
  background: linear-gradient(180deg, #0d1731, #0c1530);
  padding: 10px;
}

.approach-step {
  color: #d2deff;
  font-size: 11.5px;
  letter-spacing: 0.95px;
  text-transform: uppercase;
  font-weight: 600;
}

.kpi {
  font-size: clamp(27px, 3.5vw, 36px);
  line-height: 1.2;
  font-weight: 760;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.list-clean {
  margin: 0;
  padding-left: 18px;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  background: #0a122a;
  color: var(--text);
  border: 1px solid rgba(123, 154, 231, 0.32);
  border-radius: 11px;
  padding: 11px 12px;
  margin-top: 8px;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: rgba(104, 151, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(70, 128, 255, 0.2);
}

.form label {
  font-size: 14px;
  color: #d3defd;
  display: block;
  margin-bottom: 10px;
}

.timeline {
  border-left: 2px solid rgba(124, 150, 217, 0.32);
  padding-left: 18px;
}

.timeline .item { margin-bottom: 16px; }
.timeline .item strong { color: #e2eaff; }

.blog-card h3 {
  margin: 4px 0 8px;
  font-size: 20px;
}

.blog-meta {
  color: #97ace4;
  font-size: 12px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

.blog-link {
  color: #a8c4ff;
  font-weight: 650;
  font-size: 14px;
}

footer {
  margin-top: 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0 34px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }

  .hero { padding-top: 70px; }
  .nav-links { display: none; }
  .card { padding: 18px; }
}
