:root {
    --c-primary: #2563eb;
    --c-primary-dark: #1d4ed8;
    --c-ink: #0f172a;
    --c-muted: #64748b;
    --c-line: #e2e8f0;
    --c-soft: #f8fafc;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif; color: var(--c-ink); line-height: 1.6; background: #fff; }
img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-primary-dark); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
.container { width: min(1140px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); margin-inline: auto; }

/* header */
.topbar { background: var(--c-ink); color: #cbd5e1; font-size: 14px; padding: 8px 0; }
.topbar .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--c-line); }
.nav-bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.nav-bar .brand img { height: 40px; }
.nav-menu, .nav-menu ul { list-style: none; margin: 0; padding: 0; }
.nav-menu { display: flex; gap: 6px; align-items: center; }
.nav-menu > li { position: relative; }
.nav-menu a { display: block; padding: 8px 14px; color: var(--c-ink); font-weight: 600; border-radius: 8px; }
.nav-menu a:hover { background: var(--c-soft); color: var(--c-primary); }
.nav-menu .submenu { display: none; position: absolute; left: 0; top: 100%; min-width: 200px; background: #fff; border: 1px solid var(--c-line); border-radius: 10px; box-shadow: var(--shadow); padding: 6px; }
.nav-menu li:hover > .submenu, .nav-menu li:focus-within > .submenu { display: block; }
.nav-toggle { display: none; background: none; border: 1px solid var(--c-line); border-radius: 8px; padding: 8px 12px; font-size: 18px; cursor: pointer; }
@media (max-width: 860px) {
    .nav-toggle { display: block; }
    .nav-wrap { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--c-line); padding: 8px 16px 16px; }
    .nav-wrap.open { display: block; }
    .nav-menu { flex-direction: column; align-items: stretch; }
    .nav-menu .submenu { display: block; position: static; border: 0; box-shadow: none; padding: 0 0 0 14px; }
    .nav-bar { position: relative; }
}

/* sections */
.section { padding: 72px 0; }
.section:nth-of-type(even) { background: var(--c-soft); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 40px; }
.eyebrow { display: inline-block; margin: 0 0 8px; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--c-primary); font-weight: 700; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); }
.page-title { background: linear-gradient(135deg, var(--c-ink), #1e3a8a); color: #fff; padding: 56px 0; text-align: center; }
.page-title h1 { margin: 0; font-size: clamp(30px, 5vw, 46px); }
.btn { display: inline-block; background: var(--c-primary); color: #fff; padding: 12px 24px; border-radius: 999px; font-weight: 700; }
.btn:hover { background: var(--c-primary-dark); color: #fff; }

/* grids and cards */
.grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card-img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; background: var(--c-soft); }
.card-body { padding: 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 { font-size: 20px; margin: 0; }
.card-body h3 a { color: var(--c-ink); }
.card-meta { font-size: 13px; color: var(--c-muted); }
.card-text { color: var(--c-muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.person { text-align: center; padding: 24px 20px; }
.person img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; }
.person .role { color: var(--c-primary); font-weight: 600; margin: 0 0 8px; }
.person .links { display: flex; gap: 12px; justify-content: center; font-size: 14px; }
.service { padding: 28px 24px; }
.service .icon { width: 48px; height: 48px; border-radius: 12px; background: #dbeafe; color: var(--c-primary); display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; }
.service .price { color: var(--c-primary); font-weight: 700; }
.brands { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); align-items: center; }
.brand { border: 1px solid var(--c-line); border-radius: var(--radius); padding: 16px; text-align: center; background: #fff; }
.brand img { height: 60px; margin: 0 auto 8px; object-fit: cover; border-radius: 8px; }
.brand span { font-weight: 600; color: var(--c-ink); }
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 16px 20px; }
.faq-list summary { cursor: pointer; font-weight: 700; }
.faq-list details p { margin: 12px 0 0; color: var(--c-muted); }

/* hero slider */
.hero { background: var(--c-ink); }
.slides { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.slides::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; scroll-snap-align: start; position: relative; min-height: 460px; display: grid; align-items: center; color: #fff; background-size: cover; background-position: center; }
.slide::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,23,42,.85), rgba(15,23,42,.35)); }
.slide-inner { position: relative; padding: 48px 0; max-width: 620px; }
.slide-inner h2 { font-size: clamp(30px, 5vw, 52px); }
.slide-inner p { font-size: 18px; color: #e2e8f0; }

/* detail page */
.article { padding: 56px 0; }
.article h1 { font-size: clamp(28px, 4.5vw, 42px); }
.article .cover { border-radius: var(--radius); margin: 24px 0; width: 100%; max-height: 460px; object-fit: cover; }
.article .meta { color: var(--c-muted); }

/* pager */
.pagination { display: flex; gap: 8px; justify-content: center; list-style: none; padding: 0; margin: 40px 0 0; }
.pagination a { display: block; padding: 8px 14px; border: 1px solid var(--c-line); border-radius: 8px; color: var(--c-ink); }
.pagination .active a { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.pagination .disabled a { opacity: .4; pointer-events: none; }

/* cta, contact, footer */
.cta { background: var(--c-primary); color: #fff; text-align: center; }
.cta h2 { color: #fff; }
.cta .btn { background: #fff; color: var(--c-primary); }
.contact-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.contact-box { border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px; background: #fff; }
.site-footer { background: var(--c-ink); color: #cbd5e1; padding: 40px 0 20px; }
.site-footer a { color: #cbd5e1; }
.site-footer .cols { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer .copy { border-top: 1px solid #1e293b; margin-top: 24px; padding-top: 16px; font-size: 14px; }