:root {
  --bg: #0b111a;
  --bg-2: #101827;
  --panel: rgba(16, 24, 39, 0.78);
  --panel-strong: #111a28;
  --border: rgba(0, 207, 255, 0.22);
  --border-strong: rgba(13, 110, 253, 0.55);
  --blue: #0d6efd;
  --cyan: #00cfff;
  --deep-blue: #1a2b4d;
  --text: #ffffff;
  --muted: #a7b0c0;
  --soft: #e6e8ef;
  --line: #2a3342;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Manrope, Montserrat, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 10%, rgba(13, 110, 253, 0.18), transparent 34%),
    radial-gradient(circle at 82% 8%, rgba(0, 207, 255, 0.1), transparent 28%),
    linear-gradient(180deg, #060b12 0%, #0b111a 42%, #07101b 100%);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, black, transparent 78%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(4, 9, 15, 0.86);
  backdrop-filter: blur(18px);
}

.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 174px;
}

.brand img {
  width: 154px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
}

.nav a.active::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 999px;
}

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

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  background: rgba(15, 25, 40, 0.9);
  color: var(--text);
}

.btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  background: rgba(16, 24, 39, 0.76);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(0,207,255,0.45);
  box-shadow: 0 14px 32px rgba(0, 107, 255, 0.16);
}

.btn.primary {
  border-color: rgba(13, 110, 253, 0.85);
  background: linear-gradient(135deg, #0d6efd, #009bff 54%, #00cfff);
  box-shadow: 0 18px 42px rgba(13, 110, 253, 0.34);
}

.btn.ghost {
  background: rgba(9, 16, 27, 0.7);
}

.btn.small {
  min-height: 36px;
  padding: 0 14px;
  font-size: 13px;
}

.hero {
  position: relative;
  isolation: isolate;
  max-width: var(--max);
  margin: 0 auto;
  min-height: 620px;
  padding: 74px 24px 38px;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  gap: 34px;
  align-items: center;
}

.hero-media {
  position: absolute;
  inset: 0 24px auto 42%;
  height: 580px;
  z-index: 0;
  opacity: 0.95;
  border-radius: 24px;
  overflow: hidden;
  pointer-events: none;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.08) contrast(1.08);
}

.hero-media::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, #060b12 0%, rgba(6,11,18,0.9) 16%, rgba(6,11,18,0.22) 54%, rgba(6,11,18,0.44) 100%),
    linear-gradient(180deg, rgba(6,11,18,0.08) 0%, #0b111a 96%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 520px;
}

.hero h1 {
  margin: 0 0 18px;
  max-width: 100%;
  font-size: clamp(36px, 4.2vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
  font-weight: 850;
  overflow-wrap: break-word;
}

.accent {
  color: var(--cyan);
  text-shadow: 0 0 28px rgba(0, 207, 255, 0.36);
}

.hero p {
  max-width: 590px;
  margin: 0 0 30px;
  color: var(--soft);
  font-size: 17px;
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(92px, 1fr));
  gap: 10px;
  max-width: 610px;
}

.metric {
  min-height: 96px;
  padding: 14px 12px;
  display: grid;
  place-items: center;
  text-align: center;
  border-left: 1px solid rgba(0,207,255,0.18);
  color: var(--soft);
}

.metric img {
  width: 28px;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 12px rgba(0, 207, 255, 0.45));
}

.feature-strip {
  max-width: var(--max);
  margin: -12px auto 0;
  padding: 0 24px 28px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.tile,
.panel,
.glass {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 26, 40, 0.86), rgba(9, 16, 28, 0.78));
  box-shadow: var(--shadow);
}

.tile {
  min-height: 136px;
  padding: 18px;
  overflow: hidden;
  position: relative;
}

.tile::after,
.panel::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at top right, rgba(0,207,255,0.16), transparent 40%);
  opacity: 0.75;
}

.tile img,
.panel-icon {
  width: 34px;
  height: 34px;
  color: var(--cyan);
  margin-bottom: 14px;
  filter: drop-shadow(0 0 16px rgba(0, 207, 255, 0.32));
}

.tile h3,
.panel h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.25;
}

.tile p,
.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
  font-size: 13px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.08;
}

.section-head p {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.promo-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.9fr;
  gap: 14px;
}

.panel {
  position: relative;
  min-height: 210px;
  padding: 24px;
  overflow: hidden;
}

.panel strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 18px;
}

.price {
  margin: 12px 0;
  color: var(--cyan);
  font-size: 34px;
  font-weight: 850;
}

.price span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
}

.check-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  color: var(--soft);
  font-size: 14px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-list li::before {
  content: "";
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin-top: 1px;
  background: url("icons/ui/check.svg") center / contain no-repeat;
  filter: drop-shadow(0 0 10px rgba(0, 207, 255, 0.5));
}

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

.device-card img {
  width: 128px;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.4);
}

.status-grid,
.docs-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--success);
  font-size: 13px;
  font-weight: 800;
}

.status-dot::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.74);
}

.doc-list {
  display: grid;
  gap: 12px;
}

.doc-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  background: rgba(7, 13, 23, 0.54);
}

.doc-item span {
  color: var(--muted);
  font-size: 13px;
}

.form-card {
  grid-column: span 2;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field,
.textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: rgba(5, 10, 18, 0.62);
  color: var(--text);
  padding: 0 14px;
  outline: none;
}

.textarea {
  min-height: 150px;
  padding: 14px;
  resize: vertical;
}

.field:focus,
.textarea:focus {
  border-color: rgba(0,207,255,0.62);
  box-shadow: 0 0 0 3px rgba(0,207,255,0.12);
}

.form-row {
  margin-top: 12px;
}

.footer {
  margin-top: 38px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(5, 10, 17, 0.9);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 0.8fr);
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}

.footer img {
  width: 148px;
  margin-bottom: 12px;
}

.footer h4 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 14px;
}

.footer a,
.footer span {
  display: block;
  margin: 8px 0;
}

.sub-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 24px;
  color: rgba(167,176,192,0.72);
  font-size: 12px;
}

.page-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 70px 24px 24px;
  display: grid;
  gap: 18px;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1;
}

.page-hero p {
  max-width: 720px;
  margin: 0;
  color: var(--soft);
  font-size: 17px;
  line-height: 1.58;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-step {
  position: relative;
  padding-left: 38px;
}

.timeline-step::before {
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0,207,255,0.38);
  border-radius: 50%;
  color: var(--cyan);
  content: attr(data-step);
  font-size: 12px;
  font-weight: 800;
}

.notice {
  border: 1px solid rgba(245,158,11,0.32);
  background: rgba(245,158,11,0.08);
}

.mobile-nav {
  display: none;
}

@media (max-width: 980px) {
  .top-actions {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(6, 11, 18, 0.96);
  }

  .nav.open {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 48px;
  }

  .hero-media {
    position: relative;
    inset: auto;
    height: 320px;
    order: 2;
  }

  .feature-strip,
  .promo-grid,
  .status-grid,
  .docs-grid,
  .contact-grid,
  .detail-layout,
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .form-card {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .topbar-inner {
    padding: 14px 16px;
  }

  .brand img {
    width: 136px;
  }

  .hero,
  .section,
  .page-hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero h1 {
    font-size: clamp(27px, 7.4vw, 31px);
    line-height: 1.08;
  }

  .hero-copy {
    width: min(100%, calc(100vw - 32px));
    max-width: calc(100vw - 32px);
  }

  .hero p {
    max-width: calc(100vw - 32px);
    font-size: 15px;
  }

  .metric-row,
  .feature-strip,
  .promo-grid,
  .status-grid,
  .docs-grid,
  .contact-grid,
  .detail-layout,
  .footer-inner,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    grid-column: auto;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .device-card {
    align-items: flex-start;
    flex-direction: column;
  }
}