:root {
  --bg: #060b16;
  --bg-elev: #0b1224;
  --bg-soft: rgba(17, 27, 52, 0.72);
  --panel: rgba(10, 18, 35, 0.88);
  --card: rgba(13, 23, 44, 0.88);
  --line: rgba(116, 162, 255, 0.16);
  --text: #eaf2ff;
  --muted: #a8b6d8;
  --cyan: #37d8ff;
  --blue: #4b7cff;
  --violet: #9d6bff;
  --green: #47f5c2;
  --warning: #ffc857;
  --radius: 22px;
  --radius-sm: 16px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --glow: 0 0 0 1px rgba(55, 216, 255, 0.18), 0 0 32px rgba(55, 216, 255, 0.12);
  --container: min(1180px, calc(100vw - 32px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(55, 216, 255, 0.12), transparent 22%),
    radial-gradient(circle at 85% 10%, rgba(157, 107, 255, 0.14), transparent 18%),
    radial-gradient(circle at 70% 80%, rgba(71, 245, 194, 0.08), transparent 18%),
    linear-gradient(180deg, #040812 0%, #07101f 45%, #050914 100%);
  color: var(--text);
  line-height: 1.6;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 88px 0; position: relative; }
.section-tight { padding: 64px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}
h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 14px; font-weight: 800; }
h1 { font-size: clamp(2.7rem, 6vw, 5.4rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 3vw, 3.2rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
p { margin: 0 0 16px; color: var(--muted); }
ul { margin: 0; padding-left: 18px; color: var(--muted); }
li + li { margin-top: 8px; }
.small { font-size: 0.95rem; }
.muted { color: var(--muted); }
.center { text-align: center; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack-24 > * + * { margin-top: 24px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(5, 10, 20, 0.72);
  border-bottom: 1px solid rgba(122, 168, 255, 0.12);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand img {
  width: 156px;
  height: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links a {
  color: #dbe7ff;
  font-size: 0.95rem;
  position: relative;
}
.nav-links a.active,
.nav-links a:hover { color: #fff; }
.nav-links a.active::after,
.nav-links a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}
.nav-actions { display: flex; align-items: center; gap: 14px; }
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  color: #fff;
  font-size: 1.3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  font-weight: 700;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #031421;
  background: linear-gradient(135deg, var(--cyan), #7cf0ff 48%, var(--green));
  box-shadow: 0 16px 38px rgba(55, 216, 255, 0.22);
  border-color: transparent;
}
.btn-secondary {
  background: rgba(255,255,255,0.04);
  color: var(--text);
  box-shadow: var(--glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 74px;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 999px;
  filter: blur(30px);
  pointer-events: none;
}
.hero::before {
  top: 80px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: rgba(55, 216, 255, 0.12);
}
.hero::after {
  right: -30px;
  top: 140px;
  width: 280px;
  height: 280px;
  background: rgba(157, 107, 255, 0.12);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 34px;
  align-items: center;
}
.hero-copy p { font-size: 1.08rem; max-width: 64ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 24px; }
.proof-bar, .mini-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.proof-pill, .mini-stat {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(122, 168, 255, 0.15);
  background: rgba(255,255,255,0.04);
  color: #ddecff;
  font-size: 0.92rem;
}
.hero-visual {
  position: relative;
  min-height: 520px;
}
.hero-card {
  position: absolute;
  inset: 0;
  border-radius: 30px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(7, 14, 28, 0.9), rgba(6, 10, 20, 0.98));
  box-shadow: var(--shadow);
  border: 1px solid rgba(122, 168, 255, 0.16);
}
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.52;
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 9, 17, 0.06), rgba(5, 9, 17, 0.9)),
    repeating-linear-gradient(120deg, rgba(55,216,255,0.14) 0 2px, transparent 2px 40px);
}
.fiber-line {
  position: absolute;
  width: 70%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(55,216,255,0.4), rgba(157,107,255,0.85), transparent);
  filter: drop-shadow(0 0 10px rgba(55,216,255,.6));
  animation: drift 5.6s ease-in-out infinite;
}
.fiber-line.one { top: 22%; left: 10%; }
.fiber-line.two { top: 52%; left: 18%; animation-delay: 1.2s; }
.fiber-line.three { top: 72%; left: 8%; animation-delay: 2.3s; }
.float-panel {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: min(92%, 310px);
  padding: 20px;
  border-radius: 24px;
  background: rgba(6, 12, 24, 0.78);
  border: 1px solid rgba(115, 175, 255, 0.22);
  backdrop-filter: blur(14px);
  box-shadow: var(--glow);
}
.float-panel h3 { margin-bottom: 10px; }
.kicker {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(55,216,255,0.1);
  color: var(--cyan);
  font-size: 0.84rem;
  margin-bottom: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-body { padding: 26px; }
.card img.cover {
  width: 100%;
  height: 250px;
  object-fit: cover;
  background: #0b1224;
}
.card:hover { border-color: rgba(55,216,255,0.34); transform: translateY(-2px); transition: .25s ease; }
.tag-row, .badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
}
.tag, .badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: #dbe7ff;
  font-size: 0.84rem;
  border: 1px solid rgba(255,255,255,0.08);
}
.badge { background: rgba(55,216,255,.08); color: var(--cyan); }
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin: 18px 0 0;
}
.spec {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.spec strong {
  display: block;
  font-size: 1.05rem;
  color: #fff;
}
.icon-card {
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(12, 21, 40, 0.9), rgba(7, 13, 25, 0.92));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(55,216,255,.18), rgba(157,107,255,.14));
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 18px;
}
.stats-band {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 16px;
}
.stat-box {
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
}
.stat-box strong {
  display: block;
  font-size: 2rem;
  color: #fff;
  margin-bottom: 6px;
}
.panel {
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(10,18,35,.84), rgba(8,14,26,.96));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.cta-band {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: center;
}
.cta-form {
  display: grid;
  gap: 14px;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
input, select, textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #fff;
  font: inherit;
}
input::placeholder, textarea::placeholder { color: #92a2c7; }
textarea { min-height: 134px; resize: vertical; }
label { font-size: 0.9rem; color: #dbe7ff; display: block; margin-bottom: 8px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(55,216,255,0.6);
  box-shadow: 0 0 0 4px rgba(55,216,255,0.12);
}
.notice {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(71,245,194,0.08);
  border: 1px solid rgba(71,245,194,0.24);
  color: #dcfff5;
}
.page-hero {
  padding: 90px 0 52px;
  position: relative;
  overflow: hidden;
}
.page-hero .hero-shell {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 28px;
  align-items: center;
}
.page-hero-image {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.page-hero-image img { width: 100%; height: 100%; object-fit: cover; min-height: 340px; }
.section-head { max-width: 780px; margin-bottom: 26px; }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}
.checklist { list-style: none; padding: 0; }
.checklist li {
  position: relative;
  padding-left: 30px;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 800;
}
.product-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 24px;
}
.product-card img { height: 220px; object-fit: contain; padding: 22px; background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); }
.product-card .card-body { display: grid; gap: 12px; }
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .9rem;
  color: #dbe7ff;
}
.meta-row span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}
.timeline {
  display: grid;
  gap: 18px;
}
.step {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.step strong { color: #fff; display: block; margin-bottom: 8px; }
.quote-card {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.post-card img { height: 230px; object-fit: cover; }
.post-card .date { color: var(--cyan); font-size: 0.88rem; }
.faq-list { display: grid; gap: 16px; }
.faq-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 24px;
  background: transparent;
  color: #fff;
  font: inherit;
  font-weight: 700;
  border: 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner { padding: 0 24px 22px; }
.faq-item.open .faq-answer { max-height: 240px; }
.footer {
  padding: 42px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(4,8,18,0.8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .7fr .9fr;
  gap: 24px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px 18px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: #8ea0c7;
  font-size: 0.92rem;
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes drift {
  0%, 100% { transform: translateX(0); opacity: 0.55; }
  50% { transform: translateX(18px); opacity: 1; }
}

@media (max-width: 1080px) {
  .hero-grid,
  .page-hero .hero-shell,
  .split,
  .cta-band,
  .footer-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .product-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stats-band { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 860px) {
  .menu-toggle { display: inline-grid; place-items: center; }
  .nav-links {
    position: fixed;
    inset: 82px 12px auto 12px;
    background: rgba(7, 12, 24, 0.97);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 22px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-actions .btn { display: none; }
  .grid-3,
  .grid-2,
  .grid-4,
  .product-list,
  .stats-band,
  .form-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 74px; }
  .hero-visual { min-height: 420px; }
}

@media (max-width: 560px) {
  .section { padding: 72px 0; }
  .hero-card img { opacity: 0.44; }
  .float-panel { position: relative; inset: auto; width: auto; margin: 18px; }
  .brand img { width: 132px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .proof-bar { gap: 10px; }
}