:root {
  --bg: #0b1220;
  --bg-soft: #0f172a;
  --card: #0b1220;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --primary: #0ea5e9;
  --accent: #14b8a6;
  --ring: 40 60% 50%;
  --radius: 14px;
  --bg-gradient:
    radial-gradient(1200px 800px at 80% -10%, #0ea5e920, transparent 60%),
    radial-gradient(1000px 700px at -10% 20%, #14b8a620, transparent 55%),
    linear-gradient(180deg, #0b1220, #0f172a 60%, #0b1220);
  --header-bg: #0b1220;
  --line: #243244;
  --line-strong: #1f2937;
  --field-bg: #0b1220;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg-gradient);
  line-height: 1.55;
  padding-top: 72px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--header-bg) 85%, transparent);
  border-bottom: 1px solid var(--line-strong);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
}

.brand .logo {
  width: 80px;
  height: 80px;
  border-radius: 22px;
  display: block;
  object-fit: cover;
  box-shadow: 0 6px 22px #0ea5e955, inset 0 0 0 1px #ffffff10;
  flex-shrink: 0;
}

.brand b {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.menu {
  display: flex;
  gap: 18px;
  align-items: center;
}

.menu a {
  color: var(--text);
  opacity: 0.9;
}

.menu a:hover {
  opacity: 1;
}

.theme {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  cursor: pointer;
  background: var(--card, #0b1220);
  color: var(--text, #e2e8f0);
  border: 1px solid #243244;
  border-radius: 999px;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 12px;
  padding: 2px;
  border-radius: 999px;
  border: 1px solid #243244;
  background: var(--card, #0b1220);
}

.lang-btn {
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}

.lang-btn:is(:hover, :focus-visible) {
  background: #0ea5e920;
  color: #7dd3fc;
}

.lang-btn.active {
  background: linear-gradient(180deg, #0ea5e9, #0284c7);
  color: #ffffff;
}

.cta {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid #20a2c2;
  color: #ffffff;
  background: linear-gradient(180deg, #0ea5e9, #0284c7);
  box-shadow: 0 6px 20px #0ea5e955, inset 0 0 0 1px #ffffff20;
}

.btn.alt {
  background: linear-gradient(180deg, #14b8a6, #0f766e);
  border-color: #1aa39a;
}

.hero {
  padding: 96px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #0ea5e920;
  color: #7dd3fc;
  border: 1px solid #0ea5e955;
  font-size: 14px;
}

h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin: 14px 0 16px;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 62ch;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.glass {
  border-radius: var(--radius);
  background: var(--card, #0b1220);
  border: 1px solid var(--line);
  box-shadow: 0 10px 40px rgba(2, 8, 23, 0.6), inset 0 0 80px #0ea5e911;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 16px 6px;
  border-bottom: 1px solid #1f2937;
}

.browser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.browser-dot--red {
  background: #ef4444;
}

.browser-dot--amber {
  background: #f59e0b;
}

.browser-dot--green {
  background: #10b981;
}

.browser-bar-label {
  margin-left: auto;
  color: #7aa6bd;
  font-size: 12px;
}

.preview-grid {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.card {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card, #0b1220);
}

section {
  scroll-margin-top: 90px;
  padding: 56px 0;
}

section h2 {
  font-size: clamp(22px, 3vw, 32px);
  margin: 0 0 14px;
}

section p.section-lead {
  color: var(--muted);
  margin: 0 0 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.product img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--card, #0b1220);
}

.product h3 {
  margin: 12px 0 8px;
  font-size: 20px;
}

.product ul {
  margin: 8px 0 0 18px;
  padding: 0;
  color: var(--muted);
}

.product-extra {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.product-extra ul {
  margin: 8px 0 0 18px;
  padding: 0;
}

.product .actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid #243244;
}

.feature .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff, #0ea5e9 60%, #0369a1);
  box-shadow: 0 0 18px #0ea5e988;
  margin-top: 8px;
}

.muted {
  color: var(--muted);
}

.refs {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 18px;
}

.map {
  aspect-ratio: 16 / 9;
  width: 100%;
  border: 1px solid #243244;
  border-radius: 12px;
  overflow: hidden;
}

.map iframe {
  border: 0;
  width: 100%;
  height: 100%;
}

footer {
  padding: 36px 0 56px;
  color: #9aa7b5;
  border-top: 1px solid var(--line);
  margin-top: 32px;
}

html[data-theme="light"] {
  --bg-gradient:
    radial-gradient(1200px 800px at 80% -10%, #7dd3fc33, transparent 60%),
    radial-gradient(1000px 700px at -10% 20%, #99f6e433, transparent 55%),
    linear-gradient(180deg, #ffffff, #f5f7fb 60%, #eef2f7);
  --header-bg: #ffffff;
  --card: #ffffff;
  --field-bg: #ffffff;
  --line: #d6dee8;
  --line-strong: #c5d0df;
  --text: #0f172a;
  --muted: #475569;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.brand-footer {
  margin-bottom: 8px;
}

.card-spaced {
  margin-bottom: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.form-label {
  display: block;
  font-size: 14px;
  color: #9fb1c1;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #294055;
  background: #ffffff;
  color: var(--text);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
}

.skip {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  left: 10px;
  top: 10px;
  width: auto;
  height: auto;
  background: #0ea5e9;
  color: #00202c;
  padding: 6px 10px;
  border-radius: 6px;
}

@media (max-width: 960px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .refs,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .menu {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}