:root {
  --ink: #232a33;
  --ink-strong: #19212b;
  --anthracite: #232a33;
  --anthracite-deep: #1a212b;
  --accent: #2f6885;
  --accent-dark: #234f66;
  --accent-light: #8ab6ce;
  --accent-tint: #ecf1f4;
  --paper: #ffffff;
  --panel: #f4f6f8;
  --panel-2: #eef1f4;
  --muted: #5c6672;
  --line: #e4e8ec;
  --on-dark: #eef1f4;
  --wa: #25d366;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { max-width: 100%; }

h1, h2, h3, h4 { font-family: var(--sans); line-height: 1.14; margin: 0; color: var(--ink-strong); }
h1 { font-size: clamp(36px, 5vw, 58px); font-weight: 800; letter-spacing: -0.022em; }
h2 { font-size: clamp(25px, 3.2vw, 39px); font-weight: 800; letter-spacing: -0.02em; }
h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12.5px;
  letter-spacing: 0.14em;
}

/* ---------- Logo (inline SVG) ---------- */
.logo { height: 48px; width: auto; display: block; }
.logo text { font-family: var(--sans); }
.logo-mark { fill: var(--accent); }
.logo-mark-txt { fill: #fff; }
.logo-word { fill: currentColor; }
.logo-word-2 { fill: currentColor; opacity: 0.62; }
.logo-tag { fill: currentColor; opacity: 0.5; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  color: var(--ink);
}
.brand { display: inline-flex; align-items: center; text-decoration: none; color: var(--ink); }
nav {
  display: flex;
  gap: 30px;
  font-size: 14.5px;
  font-weight: 500;
  margin-left: auto;
}
nav a { text-decoration: none; color: var(--ink); opacity: 0.74; transition: opacity 140ms ease, color 140ms ease; }
nav a:hover { opacity: 1; color: var(--accent); }

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.button.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button.ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.button.ghost:hover { border-color: var(--accent); color: var(--accent); }
.button svg { width: 18px; height: 18px; flex: none; }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: stretch;
  background: linear-gradient(180deg, #ffffff 0%, #eef2f5 100%);
  border-bottom: 1px solid var(--line);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(44px, 6vw, 96px) clamp(20px, 4.4vw, 76px);
  color: var(--ink);
}
.hero-copy h1 { max-width: 13ex; }
.hero-copy h1 .accent { color: var(--accent); }
.hero-copy .lead { color: var(--muted); font-size: clamp(17px, 1.6vw, 20px); max-width: 540px; margin: 22px 0 0; }
.hero-media { position: relative; min-height: 360px; overflow: hidden; border-left: 1px solid var(--line); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: bottom center; display: block; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.trust { margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13.5px; color: var(--muted); }
.trust span { display: inline-flex; align-items: center; gap: 7px; }
.trust span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Metric band ---------- */
.intro-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.intro-band > div { background: var(--paper); padding: clamp(24px, 3.6vw, 42px); }
.metric { display: block; color: var(--accent); font-size: 38px; font-weight: 800; letter-spacing: -0.02em; line-height: 1; margin-bottom: 9px; }
.intro-band p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- Sections ---------- */
.section { max-width: var(--wrap); margin: 0 auto; padding: clamp(56px, 7vw, 100px) clamp(18px, 4vw, 40px); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head h2 { margin-top: 4px; }
.section-head p.sub { color: var(--muted); font-size: 17px; margin: 16px 0 0; }

.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.service-grid article {
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.service-grid article:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 14px 30px -22px rgba(35, 42, 51, 0.35); }
.service-ic { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 10px; background: var(--accent-tint); color: var(--accent); margin-bottom: 18px; }
.service-ic svg { width: 22px; height: 22px; }
.service-grid h3 { margin-bottom: 9px; }
.service-grid p { color: var(--muted); margin: 0; font-size: 14.5px; }

/* ---------- Questions ---------- */
.questions { background: var(--panel); max-width: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.questions .inner { max-width: var(--wrap); margin: 0 auto; }
.question-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.question-card {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 208px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.question-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 16px 34px -24px rgba(35, 42, 51, 0.4); }
.chip {
  width: fit-content;
  padding: 4px 11px;
  border-radius: 6px;
  background: var(--accent-tint);
  color: var(--accent-dark);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.question-card h3 { font-size: 18px; color: var(--ink-strong); }
.question-card p { color: var(--muted); font-size: 14px; margin: 0; }
.question-card .more { color: var(--accent); font-weight: 600; font-size: 13.5px; margin-top: auto; }

/* ---------- Contact ---------- */
.contact-band { background: var(--panel); border-bottom: 1px solid var(--line); }
.contact-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(52px, 6vw, 88px) clamp(18px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.contact-band h2 { max-width: 15ex; }
.contact-list { display: grid; gap: 20px; margin-top: 8px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-item .ic { width: 42px; height: 42px; flex: none; display: grid; place-items: center; border-radius: 10px; background: #fff; border: 1px solid var(--line); color: var(--accent); }
.contact-item .ic svg { width: 20px; height: 20px; }
.contact-item .lbl { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 3px; }
.contact-item a, .contact-item p { color: var(--ink); text-decoration: none; margin: 0; font-size: 15.5px; line-height: 1.5; }
.contact-item a:hover { color: var(--accent); }
.contact-actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 30px 28px; }
.contact-card h3 { font-size: 20px; margin-bottom: 8px; }
.contact-card p { color: var(--muted); font-size: 14.5px; margin: 0 0 18px; }
.contact-card .button { width: 100%; }

/* ---------- Footer ---------- */
.site-footer { background: var(--anthracite); color: #aab2bd; }
.site-footer .brand { color: #fff; }
.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 52px clamp(18px, 4vw, 40px) 32px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
}
.footer-inner .brand { margin-bottom: 16px; }
.footer-inner > div > p { color: #9aa2ad; font-size: 14px; margin: 0; max-width: 34ex; }
.footer-col h4 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: 0.09em; margin-bottom: 15px; font-weight: 600; }
.footer-col a, .footer-col p { display: block; color: #a7aeb9; text-decoration: none; font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px clamp(18px, 4vw, 40px);
  max-width: var(--wrap);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #868e9a;
}

/* ---------- Article ---------- */
.article { max-width: var(--wrap); margin: 0 auto; padding: clamp(30px, 4vw, 54px) clamp(18px, 4vw, 40px) clamp(44px, 6vw, 84px); }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.breadcrumb a { color: var(--accent); text-decoration: none; font-weight: 500; }
.article-head { max-width: 840px; }
.article-head h1 { font-size: clamp(29px, 4vw, 46px); margin: 12px 0 18px; letter-spacing: -0.02em; }
.article-head .lead { font-size: clamp(17px, 1.8vw, 21px); color: var(--muted); margin: 0; line-height: 1.5; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 328px; gap: 44px; align-items: start; margin-top: 44px; }
.article-content { max-width: 750px; font-size: 17px; }
.article-content p { color: #384049; margin: 0 0 18px; }
.article-content h2 { font-size: 25px; margin: 42px 0 16px; }
.article-content h2::after { content: ""; display: block; width: 42px; height: 3px; background: var(--accent); margin-top: 12px; border-radius: 2px; }

.key-facts { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 8px 22px; margin: 8px 0 4px; }
.key-facts div { display: grid; grid-template-columns: 220px 1fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.key-facts div:last-child { border-bottom: 0; }
.key-facts strong { font-weight: 600; color: var(--ink-strong); }
.key-facts span { color: var(--muted); }

.compare-table { display: grid; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.compare-table div { display: grid; grid-template-columns: 190px 1fr; gap: 18px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.compare-table div:last-child { border-bottom: 0; }
.compare-table strong { color: var(--accent-dark); font-weight: 600; }
.compare-table span { color: var(--muted); }

.source-list { padding-left: 20px; overflow-wrap: anywhere; }
.source-list li { margin: 9px 0; font-size: 14.5px; }
.source-list a { color: var(--accent); }

.notice { margin-top: 30px; padding: 18px 20px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; background: var(--panel); color: var(--muted); font-size: 14px; }
.notice strong { color: var(--ink-strong); }

.consult-box { position: sticky; top: 94px; border: 1px solid var(--line); border-radius: 14px; padding: 28px 26px; background: var(--anthracite); color: #d5dae1; }
.consult-box .eyebrow { color: var(--accent-light); }
.consult-box h3 { font-size: 21px; color: #fff; margin: 6px 0 10px; letter-spacing: -0.01em; }
.consult-box p { color: #b9c0ca; font-size: 14.5px; margin: 0 0 18px; }
.consult-box .button { width: 100%; }
.consult-box .button.primary { background: #fff; color: var(--ink-strong); border-color: #fff; }
.consult-box .button.primary:hover { background: var(--accent-tint); border-color: var(--accent-tint); }
.consult-box .mini { margin-top: 16px; font-size: 12.5px; color: #8b93a0; text-align: center; }

.related { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 36px; }
.related h2 { font-size: 21px; margin-bottom: 18px; }
.related-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-list a { border: 1px solid var(--line); border-radius: 10px; padding: 18px; text-decoration: none; font-weight: 500; font-size: 15px; color: var(--ink-strong); transition: border-color 140ms ease, color 140ms ease; }
.related-list a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Floating WhatsApp ---------- */
.fab-wa {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px 13px 15px;
  background: var(--wa);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-radius: 999px;
  box-shadow: 0 12px 30px -8px rgba(37, 211, 102, 0.5);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.fab-wa:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -8px rgba(37, 211, 102, 0.65); }
.fab-wa svg { width: 24px; height: 24px; flex: none; }
.fab-wa .fab-label { white-space: nowrap; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-media { min-height: 280px; order: -1; border-left: 0; border-bottom: 1px solid var(--line); }
  .intro-band, .service-grid, .question-list, .related-list { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .article-layout { grid-template-columns: 1fr; }
  .consult-box { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .service-grid, .footer-inner { grid-template-columns: 1fr; }
  .key-facts div, .compare-table div { grid-template-columns: 1fr; gap: 4px; }
  .question-card { min-height: auto; }
  .fab-wa .fab-label { display: none; }
  .fab-wa { padding: 14px; }
  .footer-bottom { flex-direction: column; }
}