:root {
  --bg: #f3f4fd;
  --surface: #ffffff;
  --surface-soft: #f9f9fb;
  --surface-muted: #f5f5f7;
  --text: #181818;
  --text-muted: #6b6b6b;
  --line: #ebebeb;
  --primary: #0176d3;
  --primary-dark: #0b5cab;
  --accent: #032d60;
  --shadow: 0 18px 40px rgba(3, 45, 96, 0.08);
  --radius-sm: 5px;
  --radius-md: 15px;
  --radius-lg: 24px;
  --container: 1140px;
}

* { 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:
    radial-gradient(circle at top left, rgba(1, 118, 211, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 55%, #ffffff 100%);
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; }
h1, h2, h3 { margin: 0 0 1rem; line-height: 1.05; }
h1 { font-size: clamp(3rem, 5vw, 4.25rem); font-weight: 900; letter-spacing: -0.04em; }
h2 { font-size: clamp(2.25rem, 4vw, 3.25rem); font-weight: 800; letter-spacing: -0.03em; }
h3 { font-size: 1.25rem; font-weight: 800; }
ul { padding-left: 1.2rem; margin: 0; }

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}
.section { padding: 5.5rem 0; }
.section-tight { padding: 2.25rem 0 1rem; }
.centered { text-align: center; }
.narrow { max-width: 720px; margin-inline: auto; }
.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  color: var(--primary);
}
.lede {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent);
}
.section-heading { max-width: 740px; margin: 0 auto 2.5rem; }
.section-heading p:last-child { color: var(--text-muted); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(235, 235, 235, 0.9);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 82px;
}
.brand img { width: 180px; }
.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  font-weight: 600;
  color: var(--text-muted);
}
.site-nav a:hover { color: var(--text); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.35rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  border: 2px solid transparent;
  transition: 0.2s ease;
}
.button:hover { transform: translateY(-1px); }
.button-sm { padding: 0.7rem 1rem; }
.button-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.button-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.button-secondary {
  background: #fff;
  color: var(--primary-dark);
  border-color: #d7dde5;
}
.button-secondary:hover { background: #eaf5fe; border-color: #bfd7f1; }
.button-ghost {
  background: transparent;
  color: var(--text);
  border-color: #cfd8e3;
}
.button-ghost:hover { background: rgba(255,255,255,0.78); }

.hero { padding-top: 4.5rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}
.hero-copy { max-width: 620px; }
.hero-text { font-size: 1.1rem; color: var(--text-muted); max-width: 58ch; }
.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}
.center-actions { justify-content: center; }
.promo-card {
  display: inline-grid;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(135deg, rgba(1,118,211,0.1), rgba(3,45,96,0.04));
  border: 1px solid rgba(1, 118, 211, 0.14);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}
.promo-badge {
  width: fit-content;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
}
.card-stack {
  position: relative;
  min-height: 620px;
}
.device-card {
  position: absolute;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(235, 235, 235, 0.9);
  border-radius: 26px;
  box-shadow: var(--shadow);
}
.device-card img { width: 100%; height: 100%; object-fit: cover; }
.device-card.tall { inset: 0 auto 50px 0; width: 52%; }
.device-card.offset { inset: 70px 0 130px auto; width: 50%; }
.device-card.small { inset: auto 14% 0 auto; width: 40%; }

.social-proof { position: relative; z-index: 1; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.review-card,
.service-card,
.pain-card,
.plan-card,
.checklist-card,
.feature-panel,
.performance-card,
.faq-list details {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}
.review-card {
  padding: 1.5rem;
}
.review-card img { height: 52px; width: auto; margin-bottom: 1rem; }
.review-card p { color: var(--text-muted); margin: 0; }

.gallery-section { background: linear-gradient(180deg, rgba(1,118,211,0.05), rgba(255,255,255,0)); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.gallery-grid img {
  aspect-ratio: 0.83;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.feature-panel { padding: 2rem; background: linear-gradient(180deg, #fff, #f7faff); }
.feature-list { display: grid; gap: 1.25rem; }
.feature-list article { padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); }
.feature-list article:last-child { border-bottom: none; padding-bottom: 0; }
.feature-list p { color: var(--text-muted); margin-bottom: 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}
.service-card { padding: 1.6rem; }
.service-card img { width: 56px; height: 56px; margin-bottom: 1rem; }
.service-card p { color: var(--text-muted); margin-bottom: 0; }
.service-card-accent {
  background: linear-gradient(135deg, rgba(3,45,96,0.96), rgba(1,118,211,0.92));
  color: #fff;
}
.service-card-accent p { color: rgba(255,255,255,0.85); }

.split-banner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  padding: 2.25rem;
  background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(234,245,254,0.92));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.checklist-card { padding: 1.5rem 1.6rem; }
.checklist-card ul { display: grid; gap: 0.9rem; }
.checklist-card li::marker { color: var(--primary); }

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.pain-card { padding: 1.5rem; }
.pain-card h3 { font-size: 1.15rem; }
.pain-card p { color: var(--text-muted); margin-bottom: 0; }

.performance-grid { align-items: center; }
.bullet-list { display: grid; gap: 0.8rem; margin: 1.25rem 0 2rem; }
.bullet-list li::marker { color: var(--primary); }
.performance-card { padding: 1rem; }
.performance-card img { width: 100%; border-radius: 18px; }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.plan-card { padding: 2rem; }
.featured-plan {
  background: linear-gradient(180deg, rgba(1,118,211,0.08), rgba(255,255,255,0.98));
  border-color: rgba(1,118,211,0.22);
  transform: translateY(-8px);
}
.plan-name {
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}
.plan-price {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.35rem;
}
.plan-note { color: var(--text-muted); margin-bottom: 1.2rem; }
.plan-card ul { display: grid; gap: 0.7rem; color: var(--text-muted); margin: 0 0 1.5rem; }

.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  align-items: start;
}
.faq-list { display: grid; gap: 0.85rem; }
.faq-list details { padding: 1rem 1.15rem; }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding-right: 1.5rem;
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: -0.05rem;
  font-size: 1.25rem;
  color: var(--primary);
}
.faq-list details[open] summary::after { content: '–'; }
.faq-list p { color: var(--text-muted); margin: 0.9rem 0 0; }

.cta-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.2rem;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: #fff;
  box-shadow: var(--shadow);
}
.cta-strip p { color: rgba(255,255,255,0.82); }
.final-cta { padding-top: 3rem; }
.final-cta-inner { max-width: 760px; }
.final-cta p:not(.eyebrow) { color: var(--text-muted); }

.site-footer {
  padding: 2rem 0 1.5rem;
  background: #fff;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 1.5rem;
  padding-bottom: 1.5rem;
}
.footer-logo { width: 180px; margin-bottom: 1rem; }
.site-footer h3 { font-size: 1rem; margin-bottom: 0.8rem; }
.site-footer ul { list-style: none; padding: 0; display: grid; gap: 0.7rem; }
.site-footer p, .site-footer a { color: var(--text-muted); }
.footer-bottom {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
}

@media (max-width: 1080px) {
  .hero-grid,
  .two-column,
  .split-banner,
  .faq-layout,
  .footer-grid,
  .services-grid,
  .plans-grid,
  .pain-grid,
  .reviews-grid,
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-grid,
  .faq-layout,
  .footer-grid,
  .split-banner,
  .two-column { grid-template-columns: 1fr; }
  .card-stack { min-height: 520px; }
}

@media (max-width: 720px) {
  .section { padding: 4rem 0; }
  .site-nav { display: none; }
  .nav { min-height: 74px; }
  .hero { padding-top: 2.5rem; }
  .hero-actions, .cta-strip-inner { flex-direction: column; align-items: stretch; }
  .reviews-grid,
  .services-grid,
  .pain-grid,
  .plans-grid,
  .gallery-grid { grid-template-columns: 1fr; }
  .card-stack {
    min-height: auto;
    display: grid;
    gap: 1rem;
  }
  .device-card {
    position: static;
    width: 100% !important;
  }
  .device-card img { aspect-ratio: 0.83; }
  .split-banner, .cta-strip-inner { padding: 1.5rem; }
  .plan-price { font-size: 2.35rem; }
}