:root {
  --bg: #070c1a;
  --bg-2: #0d1633;
  --panel: rgba(20, 31, 66, 0.72);
  --panel-strong: rgba(16, 26, 58, 0.95);
  --line: rgba(135, 165, 255, 0.3);
  --text: #eef3ff;
  --muted: #9fb0dd;
  --wp: #21759b;
  --wp-2: #4a8fff;
  --ok: #73d7aa;
}
[data-theme="light"] {
  --bg: #eef3ff;
  --bg-2: #dfe8ff;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --line: rgba(58, 98, 200, 0.24);
  --text: #18254b;
  --muted: #4f6398;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: var(--text);
  overflow-x: hidden;
  background:
    radial-gradient(1200px 650px at 10% -15%, #1b3272 0%, transparent 62%),
    radial-gradient(1000px 520px at 100% 0%, #1a2c62 0%, transparent 56%),
    linear-gradient(180deg, var(--bg) 0%, #050914 100%);
}
[data-theme="light"] body {
  background:
    radial-gradient(1200px 650px at 10% -15%, #d7e3ff 0%, transparent 62%),
    radial-gradient(1000px 520px at 100% 0%, #d0ddff 0%, transparent 56%),
    linear-gradient(180deg, #f3f7ff 0%, #eaf0ff 100%);
}

.bg-orb {
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(44px);
  z-index: -1;
  pointer-events: none;
}
.bg-orb.one { background: rgba(33, 117, 155, 0.35); left: -140px; top: -100px; }
.bg-orb.two { background: rgba(74, 143, 255, 0.3); right: -120px; top: 15%; }

.container { width: min(1160px, calc(100% - 44px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(6, 10, 24, 0.75);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.01em;
}
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--wp), var(--wp-2));
  box-shadow: 0 10px 28px rgba(68, 142, 255, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.36);
  transition: transform 0.35s ease;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-letter {
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1;
}
.brand-text { letter-spacing: 0.01em; }

.nav { display: flex; gap: 20px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--wp), var(--wp-2));
  transition: width 0.25s ease;
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

.lang {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.lang a {
  text-decoration: none;
  color: var(--muted);
  padding: 7px 12px;
  font-size: 0.78rem;
  font-weight: 700;
}
.lang a.active {
  color: #fff;
  background: linear-gradient(140deg, var(--wp), var(--wp-2));
}

.theme-toggle {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 0.85rem;
}

.mobile-menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
}

.mobile-menu-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
}

.mobile-menu-toggle span:nth-child(1) { top: 12px; }
.mobile-menu-toggle span:nth-child(2) { top: 19px; }
.mobile-menu-toggle span:nth-child(3) { top: 26px; }

.mobile-menu-toggle.is-open span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}
.mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.is-open span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1000px 500px at 20% -10%, rgba(66, 122, 255, 0.2), transparent 60%),
    rgba(5, 9, 19, 0.96);
  backdrop-filter: blur(18px) saturate(1.15);
  z-index: 45;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.02);
  transition: opacity 0.33s ease, transform 0.33s ease;
}

.mobile-menu-inner {
  width: min(92vw, 720px);
  display: grid;
  gap: 12px;
  text-align: center;
}

.mobile-menu-inner a {
  text-decoration: none;
  color: var(--text);
  font-size: clamp(1.5rem, 5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.mobile-menu-open .mobile-menu {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.mobile-menu-open {
  overflow: hidden;
}

.hero { padding: 86px 0 60px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #9eb6f8;
  font-size: 0.72rem;
  font-weight: 700;
}
h1 {
  margin: 12px 0 14px;
  font-size: clamp(2.2rem, 6vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.lead {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
  font-size: 1.08rem;
  max-width: 710px;
}

.actions { margin-top: 24px; display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 11px 16px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--wp), var(--wp-2));
  color: #fff;
  box-shadow: 0 10px 26px rgba(66, 132, 255, 0.35);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
  color: var(--text);
}

.panel,
.card,
.stat,
.timeline-item,
.contact {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.panel {
  padding: 18px;
  transform-style: preserve-3d;
  transition: transform 0.25s ease;
}
.panel h3 { margin: 0 0 10px; }
.panel ul { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.75; }

.section { padding: 26px 0; }
h2 { margin: 0; font-size: clamp(1.45rem, 3.2vw, 2.4rem); }
.section-lead { margin: 10px 0 0; color: var(--muted); max-width: 760px; }

.stats, .cards { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { padding: 16px; transition: transform 0.2s ease, border-color 0.2s ease; }
.stat:hover { transform: translateY(-4px); border-color: rgba(157, 187, 255, 0.55); }
.stat strong { display: block; font-size: 2rem; }
.stat span { color: #a2b4e2; font-size: 0.9rem; }

.card {
  padding: 18px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(170, 196, 255, 0.6);
  background: rgba(26, 40, 80, 0.85);
}
[data-theme="light"] .card:hover {
  background: rgba(240, 246, 255, 0.95);
}
.card h3 { margin: 0 0 8px; font-size: 1.03rem; }
.card p { margin: 0; color: var(--muted); line-height: 1.7; }
.kpi { color: var(--ok); font-weight: 700; margin-bottom: 6px; }

.timeline { margin-top: 14px; display: grid; gap: 10px; }
.timeline-item { padding: 14px 16px; color: var(--muted); }
.timeline-item strong { color: #dce7ff; margin-right: 8px; }

.contact {
  margin-top: 16px;
  padding: 20px;
  background: var(--panel-strong);
}
.contact form {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.full { grid-column: 1 / -1; }
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(153, 178, 245, 0.38);
  border-radius: 10px;
  padding: 11px 12px;
  font: inherit;
  color: var(--text);
  background: rgba(7, 12, 26, 0.7);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(143, 183, 255, 0.86);
  box-shadow: 0 0 0 3px rgba(92, 145, 255, 0.18);
}
[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
  background: rgba(255, 255, 255, 0.96);
  color: #132142;
}
textarea { resize: vertical; }

.site-footer { margin-top: 40px; border-top: 1px solid var(--line); }
.site-footer .container {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #8ea2d8;
  font-size: 0.88rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .hero-grid, .stats, .cards, .contact form { grid-template-columns: 1fr; }
  .nav { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
}