:root {
  --navy-start: #0E2540;
  --navy-end: #173B67;
  --navy: #0F2A43;
  --accent: #2F80ED;
  --bg: #F6F8FB;
  --text: #0B1120;
  --muted: #6B7280;
  --white: #fff;
  --radius: 16px;
  --shadow: 0 18px 40px rgba(12, 25, 50, .18);
  --transition: .2s ease;
}

*, *::before, *::after { box-sizing: border-box }
html { scroll-behavior: smooth }
body { margin: 0; padding: 0; font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6 }
img { max-width: 100%; display: block }
a { color: inherit; text-decoration: none; transition: color var(--transition) }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px }
.center { text-align: center }
.small { font-size: 14px }

/* Focus — accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #eef1f6;
}
.site-header .wrap { display: flex; align-items: center; gap: 18px; padding: 12px 22px }
.brand-link { display: flex; align-items: center; gap: 10px }
.brand-mark { height: 44px; width: auto }
.site-nav { margin-left: auto; display: flex; gap: 16px; align-items: center }
.nav-link { color: #22324a; transition: color var(--transition) }
.nav-link:hover { color: var(--accent) }

/* Mobile nav toggle */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; color: var(--navy) }
.nav-toggle svg { width: 24px; height: 24px }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 16px; border-radius: 12px; font-weight: 700;
  background: var(--accent); color: #fff;
  box-shadow: var(--shadow);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none; cursor: pointer;
}
.btn:hover { background: #1b6fd9; transform: translateY(-1px); box-shadow: 0 22px 48px rgba(12, 25, 50, .22) }
.btn:active { transform: translateY(0) }
.btn.ghost { background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .42); color: #fff; box-shadow: none }
.btn.ghost:hover { background: rgba(255, 255, 255, .28) }
.btn.small { padding: 8px 12px; font-weight: 700 }
.btn.block { width: 100% }
.site-header .btn.cta { background: var(--accent); color: #fff; border: none }

/* ── Hero ── */
.hero {
  background: linear-gradient(180deg, var(--navy-start), var(--navy-end));
  color: #eaf0f7; padding: 72px 0 56px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center }
.hero-copy h1 { font-size: 48px; line-height: 1.08; margin: 0 0 12px }
.hero-copy p { font-size: 18px; opacity: .9; margin: 0 0 18px }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap }
.hero .card { background: #0f1f33; border-radius: 16px; padding: 16px; box-shadow: var(--shadow) }
.placeholder-img { width: 100%; height: auto; border-radius: 12px; display: block }

/* ── Sections ── */
.section { padding: 64px 0 }
.muted { color: var(--muted) }
.card {
  background: var(--white); border-radius: 16px;
  box-shadow: var(--shadow); padding: 22px;
  transition: box-shadow var(--transition);
}

/* ── Products ── */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 24px }
.plan { display: flex; flex-direction: column; min-height: 380px; transition: transform var(--transition), box-shadow var(--transition) }
.plan:hover { transform: translateY(-4px); box-shadow: 0 24px 52px rgba(12, 25, 50, .22) }
.plan h3 { margin: 4px 0 8px; color: var(--navy) }
.price { font-size: 28px; font-weight: 800; color: var(--navy); margin-bottom: 10px }
.price span { font-weight: 600; color: #64748b; font-size: 14px; margin-left: 4px }
.plan ul { margin: 0 0 18px 18px; color: #4b5563 }
.plan li { margin: 10px 0; line-height: 1.5 }
.plan .actions { margin-top: auto }
.plan.featured { border: 2px solid var(--accent); position: relative }
.pill {
  position: absolute; top: -12px; right: 12px;
  background: var(--accent); color: #fff;
  font-weight: 800; font-size: 12px;
  padding: 6px 10px; border-radius: 999px;
  box-shadow: var(--shadow);
}

/* ── About ── */
.list-single { list-style: disc; margin: 0 0 0 18px; color: #4b5563 }
.list-single li { margin: 12px 0; line-height: 1.6 }

/* ── Team ── */
.team-grid {
  display: flex; justify-content: center; align-items: flex-start;
  gap: 16px; flex-wrap: nowrap; margin-top: 12px;
}
.team-card {
  flex: 0 0 220px; width: 220px;
  background: #fff; border-radius: 16px;
  box-shadow: var(--shadow); padding: 12px 14px;
  text-align: center;
  transition: transform var(--transition);
}
.team-card:hover { transform: translateY(-4px) }
.team-card img { width: 96px; height: 96px; object-fit: cover; border-radius: 12px; margin: 0 auto 8px }
.team-card h4 { margin: 6px 0 4px; color: var(--navy) }
.team-card p { margin: 0; color: #4b5563; font-size: 14px }

/* ── Steps ── */
.steps { background: #fff }
.steps .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px }
.step-card {
  background: #fff; border-radius: 16px;
  box-shadow: var(--shadow); padding: 18px; position: relative;
  transition: transform var(--transition);
}
.step-card:hover { transform: translateY(-3px) }
.step-card .num {
  position: absolute; top: -12px; left: -12px;
  background: var(--accent); color: #fff;
  font-weight: 800; border-radius: 999px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow);
}
.step-card h4 { margin: 14px 0 6px; color: var(--navy) }
.step-card p { margin: 0; color: #4b5563 }

/* ── Demo embed ── */
.embed { border-radius: 12px; overflow: hidden; position: relative }
.embed iframe { width: 100%; height: 480px; border: none; border-radius: 12px }

/* ── Footer ── */
.site-footer { border-top: 1px solid #e9eef6; background: #fff; margin-top: 24px }
.site-footer .foot {
  display: flex; gap: 18px; align-items: center; justify-content: center;
  padding: 22px 0; color: #6b7280; flex-wrap: wrap; font-size: 14px;
}
.site-footer a:hover { color: var(--accent) }

/* ── Responsive ── */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr }
  .hero-copy h1 { font-size: 36px }
  .products-grid { grid-template-columns: 1fr }
  .steps .grid { grid-template-columns: 1fr 1fr }
  .team-grid { flex-wrap: wrap }
  .team-card { flex: 0 0 46%; width: 46%; max-width: 240px }
}

@media (max-width: 640px) {
  .site-nav .nav-link:not(.small) { display: none }
  .nav-toggle { display: flex }
  .site-nav.open .nav-link { display: block }
  .steps .grid { grid-template-columns: 1fr }
  .hero { padding: 48px 0 36px }
  .hero-copy h1 { font-size: 28px }
  .hero-copy p { font-size: 16px }
  .section { padding: 40px 0 }
  .team-card { flex: 0 0 100%; width: 100%; max-width: 280px }
  .embed iframe { height: 320px }
}

/* ── Print ── */
@media print {
  .site-header, .site-footer, .hero-cta, .btn, .nav-toggle { display: none }
  body { background: #fff; color: #000 }
  .card { box-shadow: none; border: 1px solid #ddd }
  .section { padding: 24px 0 }
}
