:root {
  --navy: #17304f;
  --navy-2: #23476f;
  --ink: #122033;
  --muted: #64748b;
  --line: #dbe4ee;
  --bg: #f6f9fc;
  --white: #ffffff;
  --accent: #e9f1f8;
  --success: #0f766e;
  --shadow: 0 14px 40px rgba(18, 32, 51, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfdff 0%, #f3f7fb 100%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(100% - 32px, var(--max)); margin: 0 auto; }
.small-container { width: min(100% - 32px, 840px); margin: 0 auto; }
.topbar {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
}
.brand img {
  width: 148px;
  height: auto;
  object-fit: contain;
}
.brand-mark {
  color: var(--navy);
  font-size: 1.25rem;
}
.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.nav-links a {
  color: var(--muted);
  font-weight: 600;
}
.nav-links a.active,
.nav-links a:hover { color: var(--navy); }
.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}
.pill, .button, button {
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: 180ms ease;
}
.pill {
  background: var(--accent);
  color: var(--navy);
}
.button, button.primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow);
}
.button.secondary, button.secondary {
  background: var(--white);
  color: var(--navy);
  border: 1px solid var(--line);
  box-shadow: none;
}
.button.ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line);
}
.button:hover, button:hover, .pill:hover { transform: translateY(-1px); }
.hero {
  padding: 72px 0 52px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 18px;
}
.hero h1, .page-header h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.02;
  margin: 0 0 18px;
  letter-spacing: -0.04em;
}
.hero p, .page-header p {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 690px;
}
.hero-card, .panel, .card, .product-card, .summary-card, .faq-card {
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(219,228,238,0.9);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
.hero-card { padding: 24px; }
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.metric {
  padding: 18px;
  border-radius: 16px;
  background: var(--bg);
  border: 1px solid var(--line);
}
.metric strong {
  display: block;
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.section { padding: 30px 0 70px; }
.section-title {
  margin-bottom: 22px;
}
.section-title h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 10px;
  letter-spacing: -0.03em;
}
.section-title p { color: var(--muted); max-width: 760px; line-height: 1.7; }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  padding: 24px;
}
.card h3, .product-card h3 { margin: 0 0 10px; }
.card p, .product-card p, .muted { color: var(--muted); line-height: 1.7; }
.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.product-image {
  aspect-ratio: 1 / 1;
  background: linear-gradient(160deg, #f0f5fb 0%, #dfeaf6 100%);
  display: grid;
  place-items: center;
  color: var(--navy-2);
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 18px;
  text-align: center;
}
.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.product-meta, .row-between {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  background: var(--accent);
  color: var(--navy);
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 700;
}
.price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--navy);
}
.page-header {
  padding: 52px 0 26px;
}
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.filter-chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
  cursor: pointer;
}
.filter-chip.active { background: var(--navy); color: var(--white); }
.input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  background: var(--white);
}
textarea { min-height: 140px; resize: vertical; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.form-grid .full { grid-column: 1 / -1; }
.split {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 26px;
}
.line-item {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.qty-control button {
  padding: 10px 14px;
  border-radius: 0;
  background: var(--white);
  color: var(--navy);
  box-shadow: none;
}
.qty-control span {
  min-width: 42px;
  text-align: center;
  font-weight: 800;
}
.summary-card { padding: 22px; position: sticky; top: 98px; }
.summary-card h3 { margin-top: 0; }
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  color: var(--muted);
}
.summary-row.total {
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-weight: 800;
  margin-top: 8px;
  padding-top: 16px;
}
.notice {
  padding: 16px 18px;
  border-radius: 14px;
  background: #f3faf8;
  border: 1px solid #cdece5;
  color: var(--success);
  font-weight: 600;
}
.footer {
  margin-top: 54px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 20px;
  padding: 34px 0;
}
.footer p, .footer li { color: var(--muted); line-height: 1.7; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 16px 0 30px;
  color: var(--muted);
  font-size: 0.95rem;
}
.empty-state {
  padding: 34px;
  text-align: center;
}
.inline-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.disclaimer {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
}
@media (max-width: 980px) {
  .hero-grid, .split, .footer-grid, .grid-4, .grid-3, .form-grid {
    grid-template-columns: 1fr;
  }
  .summary-card { position: static; }
  .nav { padding: 12px 0; align-items: flex-start; flex-direction: column; }
  .nav-links, .nav-actions { width: 100%; }
  .line-item { grid-template-columns: 1fr; }
}