:root {
  --bg: #ffffff;
  --bg-soft: #f7fbfc;
  --text: #0f1d2e;
  --muted: #5f6f80;
  --line: #dfe8ed;
  --accent: #0ba7ab;
  --accent-dark: #088a8f;
  --accent-soft: #e6f9f8;
  --blue-soft: #eaf3ff;
  --shadow: 0 24px 70px rgba(19, 45, 63, .10);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.section { padding: 92px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(223,232,237,.8);
}
.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand img { width: 172px; }
.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 600;
}
.nav-links a:hover { color: var(--accent-dark); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; }
.lang-switch button { border: 0; background: none; cursor: pointer; color: #80909f; padding: 6px 0; }
.lang-switch button.active { color: var(--accent-dark); }
.lang-switch span { color: #c3cdd3; }
.login-wrap { position: relative; }
.login-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 250px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 8px;
}
.login-menu a { display: block; padding: 12px 14px; border-radius: 12px; }
.login-menu a:hover { background: var(--bg-soft); }
.login-menu strong { display: block; font-size: 14px; }
.login-menu span { color: var(--muted); font-size: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #12b6b4, #079da4);
  color: white;
  box-shadow: 0 10px 24px rgba(11,167,171,.23);
}
.btn-primary:hover { box-shadow: 0 14px 30px rgba(11,167,171,.30); }
.btn-secondary { border-color: #bfd3dc; background: white; color: var(--accent-dark); }
.btn-ghost { border-color: #c9d6dd; background: white; color: var(--text); min-height: 40px; }

.hero { padding-top: 78px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 46px;
  align-items: center;
}
.eyebrow {
  color: #7b9bb2;
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 800;
  margin-bottom: 12px;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(48px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: -.045em;
  margin-bottom: 22px;
}
h2 {
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -.035em;
  margin-bottom: 18px;
}
h3 { font-size: 21px; line-height: 1.25; }
.lead { font-size: 19px; color: var(--muted); max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 26px; }
.mini-proof { display: flex; flex-wrap: wrap; gap: 18px; color: #718291; font-size: 12px; font-weight: 600; }
.mini-proof span::before { content: "•"; color: var(--accent); margin-right: 8px; }
.hero-art { position: relative; min-height: 480px; display: grid; place-items: center; }
.hero-art img { position: relative; z-index: 2; width: 100%; filter: drop-shadow(0 22px 35px rgba(20, 72, 93, .10)); }
.art-glow { position: absolute; width: 88%; height: 72%; border-radius: 50%; background: radial-gradient(circle, rgba(105,228,229,.25), rgba(105,228,229,0) 70%); }

.products-section { background: linear-gradient(180deg, #fff 0%, #fbfefe 100%); }
.split-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
.section-head p { color: var(--muted); max-width: 620px; margin-bottom: 0; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 38px; }
.product-card {
  position: relative;
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: white;
  box-shadow: 0 14px 40px rgba(23, 60, 80, .05);
}
.active-card { border-color: #bde9e7; background: linear-gradient(135deg, #ffffff, #f3fdfd); }
.muted-card { background: linear-gradient(135deg, #fbfcfd, #f5f7f9); }
.product-icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); font-size: 24px; margin-bottom: 20px; }
.product-icon.muted { background: #edf2f5; color: #7990a0; }
.product-card-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.product-card p { color: var(--muted); }
.status { padding: 5px 10px; border-radius: 99px; font-size: 11px; font-weight: 800; white-space: nowrap; }
.status-live { background: #dcf8e7; color: #208b4d; }
.status-dev { background: var(--blue-soft); color: #3976be; }
.feature-list { padding-left: 18px; color: #4f6271; margin: 20px 0 24px; }
.feature-list li { margin: 6px 0; }
.text-link { color: var(--accent-dark); font-weight: 800; font-size: 14px; }
.text-link.disabled { color: #9aa8b3; }

.showcase-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; align-items: center; }
.showcase-copy p { color: var(--muted); font-size: 17px; }
.process-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-top: 26px; color: #44606f; font-weight: 700; font-size: 13px; }
.ui-preview {
  border: 1px solid #dbe6eb;
  border-radius: 20px;
  background: white;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-2deg) rotateX(1deg);
}
.preview-topbar { height: 58px; display: flex; align-items: center; gap: 18px; padding: 0 18px; border-bottom: 1px solid #e7eef2; }
.preview-brand { font-weight: 800; font-size: 16px; }
.preview-brand span { color: var(--accent); }
.preview-search { width: 34%; height: 10px; border-radius: 99px; background: #eef4f6; }
.preview-user { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, #10b2b0, #0a8391); margin-left: auto; }
.preview-body { display: grid; grid-template-columns: 92px 1fr; min-height: 340px; }
.preview-sidebar { padding: 18px 12px; border-right: 1px solid #edf2f5; background: #fbfdfe; }
.side-item { height: 14px; border-radius: 5px; background: #e7eef2; margin-bottom: 17px; }
.side-item.active { background: #bceeed; }
.preview-main { padding: 24px; }
.preview-title-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.preview-title { width: 120px; height: 18px; background: #233747; border-radius: 5px; }
.preview-button { width: 84px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, #12b6b4, #079da4); }
.preview-table { border: 1px solid #e5edf1; border-radius: 12px; overflow: hidden; }
.row { display: grid; grid-template-columns: 1.2fr 1fr .8fr 1fr; gap: 14px; align-items: center; min-height: 48px; padding: 0 14px; border-bottom: 1px solid #edf2f5; }
.row:last-child { border-bottom: 0; }
.row span { height: 9px; border-radius: 99px; background: #e9eff2; }
.row.head { background: #f8fafb; min-height: 40px; }
.row.head span { background: #dfe7eb; }
.row .device { width: 70%; background: #cfdce2; }
.row .badge { width: 54px; height: 18px; }
.row .green { background: #d7f7e4; }
.row .blue { background: #dcecff; }
.row .amber { background: #fff0c9; }

.why-section { background: #fbfdfe; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 34px; }
.benefit-grid article { padding-right: 16px; }
.benefit-icon { color: var(--accent); font-size: 28px; margin-bottom: 16px; }
.benefit-grid p { color: var(--muted); font-size: 14px; }

.vision-card {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
  align-items: center;
  padding: 38px;
  border-radius: 24px;
  border: 1px solid #d8eeee;
  background: linear-gradient(135deg, #f9ffff, #eefaf9);
}
.vision-card h2 { font-size: clamp(30px, 4vw, 44px); }
.vision-card p { color: var(--muted); max-width: 720px; margin-bottom: 0; }
.vision-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; }

.site-footer { border-top: 1px solid var(--line); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr .8fr; gap: 40px; }
.footer-brand img { width: 155px; margin-bottom: 12px; }
.footer-brand p { color: var(--muted); max-width: 330px; }
.site-footer h4 { margin: 0 0 12px; font-size: 13px; }
.site-footer a, .site-footer span { display: block; color: #607180; font-size: 13px; margin: 7px 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); }

@media (max-width: 920px) {
  .nav-links { display: none; }
  .hero-grid, .split-head, .showcase-grid, .vision-card { grid-template-columns: 1fr; }
  .hero-art { min-height: 0; }
  .product-grid, .benefit-grid { grid-template-columns: 1fr 1fr; }
  .vision-actions { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 68px 0; }
  .site-header { position: static; }
  .nav-wrap { min-height: 68px; gap: 12px; }
  .brand img { width: 138px; }
  .nav-actions { margin-left: auto; gap: 10px; }
  .lang-switch { display: none; }
  .btn-ghost { min-height: 38px; padding: 0 14px; }
  h1 { font-size: 44px; }
  .lead { font-size: 17px; }
  .hero { padding-top: 46px; }
  .product-grid, .benefit-grid, .footer-grid { grid-template-columns: 1fr; }
  .product-card-top { align-items: flex-start; }
  .preview-body { grid-template-columns: 64px 1fr; min-height: 290px; }
  .preview-main { padding: 16px; }
  .row { grid-template-columns: 1.2fr 1fr .8fr; }
  .row span:last-child { display: none; }
  .vision-card { padding: 28px 22px; }
  .footer-bottom { flex-direction: column; }
}