:root {
  --navy: #06152f;
  --blue-900: #0b2f68;
  --blue-800: #0f3f88;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --sky: #6ee7ff;
  --ice: #eef7ff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #dbe7f5;
  --white: #ffffff;
  --soft: #f8fbff;
  --shadow: 0 24px 80px rgba(8, 36, 83, .16);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--soft);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }

.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; }
.section-tight { padding: 64px 0; }
.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)); }

.top-strip {
  background: linear-gradient(90deg, var(--navy), var(--blue-900));
  color: #dbeafe;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.top-strip .container { display: flex; justify-content: space-between; gap: 18px; padding: 9px 0; flex-wrap: wrap; }
.top-strip a { color: white; font-weight: 700; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(219, 231, 245, .9);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}
.logo-link { display: inline-flex; align-items: center; gap: 12px; }
.logo-link img { height: 58px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; color: var(--blue-900); font-weight: 750; }
.nav-links a { opacity: .9; transition: .2s ease; }
.nav-links a:hover { color: var(--blue-600); opacity: 1; }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.mobile-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  color: var(--blue-900);
  border-radius: 14px;
  padding: 10px 12px;
  cursor: pointer;
}
.mobile-menu { display: none; border-top: 1px solid var(--line); padding: 0 0 16px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--blue-900); font-weight: 800; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 850;
  border: 1px solid transparent;
  transition: .2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  box-shadow: 0 12px 30px rgba(37, 99, 235, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(37, 99, 235, .34); }
.btn-ghost { background: white; color: var(--blue-900); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue-500); transform: translateY(-2px); }
.btn-white { background: white; color: var(--blue-900); }
.btn-outline-white { border-color: rgba(255,255,255,.65); color: white; background: rgba(255,255,255,.06); }
.btn-outline-white:hover { background: white; color: var(--blue-900); }
.btn-dark { background: var(--navy); color: white; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 10%, rgba(110, 231, 255, .24), transparent 28%),
    radial-gradient(circle at 80% 5%, rgba(59, 130, 246, .28), transparent 26%),
    linear-gradient(135deg, #06152f 0%, #0b2f68 52%, #1453b5 100%);
  color: white;
  padding: 96px 0 72px;
}
.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 85%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; gap: 54px; align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #dbeafe;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow:before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--sky); box-shadow: 0 0 18px var(--sky); }
.hero h1 { font-size: clamp(42px, 6vw, 76px); line-height: .94; letter-spacing: -.055em; margin: 20px 0 22px; }
.hero p { font-size: clamp(18px, 2vw, 22px); color: #dbeafe; max-width: 660px; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; }
.metric { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); border-radius: 20px; padding: 16px; backdrop-filter: blur(10px); }
.metric strong { display: block; font-size: 26px; line-height: 1; }
.metric span { color: #bfdbfe; font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; }
.product-frame {
  position: relative;
  border-radius: 32px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.06));
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: var(--shadow);
}
.product-frame img { width: 100%; aspect-ratio: 1.05 / .86; object-fit: cover; border-radius: 24px; }
.float-card {
  position: absolute;
  left: -24px;
  bottom: 28px;
  width: min(320px, 64%);
  padding: 18px;
  background: rgba(255,255,255,.94);
  color: var(--ink);
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.5);
}
.float-card strong { color: var(--blue-900); display: block; margin-bottom: 4px; }
.float-card p { margin: 0; color: var(--muted); font-size: 14px; }

.logo-cloud {
  margin-top: -1px;
  background: white;
  border-bottom: 1px solid var(--line);
}
.logo-cloud .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  color: var(--muted);
  font-weight: 800;
  flex-wrap: wrap;
}
.logo-cloud span { display: inline-flex; align-items: center; gap: 8px; }
.logo-cloud span:before { content: "✓"; color: var(--blue-600); font-weight: 900; }

.section-heading { margin-bottom: 34px; max-width: 760px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker { color: var(--blue-600); text-transform: uppercase; font-weight: 900; letter-spacing: .12em; font-size: 13px; margin-bottom: 10px; }
h2 { font-size: clamp(32px, 4vw, 50px); line-height: 1.02; letter-spacing: -.04em; color: var(--blue-900); margin: 0 0 14px; }
.section-heading p, .lead { color: var(--muted); font-size: 18px; margin: 0; }

.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(8, 36, 83, .06);
  overflow: hidden;
}
.lift { transition: .22s ease; }
.lift:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(59,130,246,.34); }
.pad { padding: 28px; }
.icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ice), #dbeafe);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-700);
  font-weight: 950;
  font-size: 22px;
  margin-bottom: 18px;
}
.card h3 { margin: 0 0 10px; color: var(--blue-900); font-size: 22px; line-height: 1.15; }
.card p { margin: 0; color: var(--muted); }
.clean-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.clean-list li { display: flex; gap: 10px; align-items: flex-start; color: #334155; }
.clean-list li:before { content: "✓"; color: var(--blue-600); font-weight: 950; }

.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 52px; align-items: center; }
.image-stack { position: relative; }
.image-stack .main-img { border-radius: 30px; box-shadow: var(--shadow); border: 1px solid white; aspect-ratio: 1.05 / .8; object-fit: cover; width: 100%; }
.image-badge {
  position: absolute;
  right: -20px;
  bottom: -20px;
  max-width: 260px;
  background: var(--navy);
  color: white;
  border-radius: 22px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.image-badge strong { display: block; font-size: 28px; }
.image-badge span { color: #bfdbfe; font-weight: 700; }

.process-line { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.process-card {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  min-height: 210px;
}
.process-num { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--blue-900); color: white; font-weight: 950; margin-bottom: 18px; }
.process-card h3 { font-size: 18px; margin: 0 0 8px; color: var(--blue-900); }
.process-card p { color: var(--muted); margin: 0; font-size: 15px; }

.band {
  background:
    radial-gradient(circle at 20% 20%, rgba(110, 231, 255, .18), transparent 28%),
    linear-gradient(135deg, var(--navy), var(--blue-900));
  color: white;
  border-radius: 34px;
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  box-shadow: var(--shadow);
}
.band h2 { color: white; }
.band p { color: #bfdbfe; font-size: 18px; margin: 0; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.product-card { display: flex; flex-direction: column; min-height: 100%; }
.product-img { height: 240px; background: #eef4ff; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: .3s ease; }
.product-card:hover .product-img img { transform: scale(1.04); }
.product-content { padding: 22px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.product-content h3 { margin: 0; color: var(--blue-900); font-size: 22px; }
.specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.spec { background: var(--soft); border: 1px solid var(--line); border-radius: 14px; padding: 10px; }
.spec small { color: var(--muted); display: block; font-weight: 850; text-transform: uppercase; letter-spacing: .06em; font-size: 11px; }
.spec b { color: var(--ink); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { background: #eaf4ff; color: var(--blue-900); border: 1px solid #cde4ff; padding: 6px 10px; font-size: 12px; border-radius: 999px; font-weight: 850; }
.price { font-weight: 950; color: var(--blue-900); font-size: 22px; }
.form-panel { margin-top: auto; background: var(--soft); border: 1px solid var(--line); border-radius: 18px; padding: 14px; display: grid; gap: 10px; }
.input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 13px;
  background: white;
  color: var(--ink);
  outline: none;
}
.input:focus, select:focus, textarea:focus { border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(59,130,246,.14); }
.quote-row { display: grid; grid-template-columns: 76px 1fr; gap: 10px; }

.article-hero { padding: 74px 0; background: linear-gradient(135deg, var(--navy), var(--blue-900)); color: white; }
.article-hero h1 { font-size: clamp(38px, 5vw, 64px); line-height: .98; letter-spacing: -.045em; margin: 16px 0; max-width: 900px; }
.article-hero p { color: #dbeafe; font-size: 20px; max-width: 780px; }
.article-card { background: white; border: 1px solid var(--line); border-radius: 24px; padding: 28px; box-shadow: 0 8px 30px rgba(8,36,83,.05); }
.article-card h3 { color: var(--blue-900); margin: 0 0 10px; font-size: 24px; }
.article-card ul { padding-left: 20px; color: #334155; }
.big-number { font-size: 38px; font-weight: 950; color: var(--blue-900); line-height: 1; margin-bottom: 10px; }
.calculator { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc-grid label span { display: block; color: var(--muted); font-size: 13px; font-weight: 800; margin-bottom: 6px; }
.result-box { background: linear-gradient(135deg, #eef7ff, #ffffff); border: 1px solid #cde4ff; border-radius: 18px; padding: 18px; display: grid; gap: 8px; color: var(--blue-900); font-weight: 850; }
.result-box strong { font-size: 22px; }

.quote-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: rgba(255,255,255,.96);
  border-top: 1px solid var(--line);
  box-shadow: 0 -20px 60px rgba(8,36,83,.14);
  transform: translateY(110%);
  transition: .25s ease;
}
.quote-bar.show { transform: translateY(0); }
.quote-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.show { display: flex; }
.backdrop { position: absolute; inset: 0; background: rgba(2,8,23,.62); backdrop-filter: blur(7px); }
.modal-card { position: relative; width: min(760px, 100%); max-height: 90vh; overflow: auto; background: white; border-radius: 24px; box-shadow: var(--shadow); }
.modal-head, .modal-foot { padding: 18px 22px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.modal-foot { border-bottom: 0; border-top: 1px solid var(--line); background: var(--soft); }
.modal-body { padding: 22px; display: grid; gap: 14px; }
.close { border: 0; background: transparent; color: var(--muted); font-size: 32px; cursor: pointer; line-height: 1; }

.footer { background: var(--navy); color: white; padding: 58px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .75fr .75fr 1fr; gap: 36px; }
.footer img { height: 72px; width: auto; margin-bottom: 16px; }
.footer p, .footer a, .footer li { color: #bfdbfe; }
.footer h3 { margin: 0 0 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 18px; display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; color: #93c5fd; font-size: 14px; }

.reveal { opacity: 0; transform: translateY(18px); transition: .55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1020px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .split, .calculator { grid-template-columns: 1fr; }
  .process-line { grid-template-columns: repeat(2, 1fr); }
  .band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1180px); }
  .nav-links, .nav-actions { display: none; }
  .mobile-toggle { display: inline-flex; }
  .mobile-menu.open { display: block; }
  .hero { padding: 66px 0 46px; }
  .hero-metrics, .grid-2, .grid-3, .grid-4, .product-grid, .process-line, .calc-grid, .footer-grid { grid-template-columns: 1fr; }
  .product-frame img { aspect-ratio: 1 / .9; }
  .float-card { position: static; width: auto; margin-top: 14px; }
  .section { padding: 64px 0; }
  .section-tight { padding: 44px 0; }
  .band { padding: 28px; border-radius: 26px; }
  .image-badge { position: static; margin-top: 14px; max-width: none; }
  .quote-bar .container { align-items: stretch; flex-direction: column; }
  .top-strip .container { font-size: 13px; }
}