:root {
  --ink: #111512;
  --deep: #073b2a;
  --deep-2: #0b4a35;
  --orange: #f45a24;
  --page: #f5f6f3;
  --surface: #ffffff;
  --muted: #66736d;
  --line: #dde3df;
  --shadow: 0 20px 60px rgba(7, 59, 42, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Inter", "Noto Sans SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: auto; }
.site-head {
  position: sticky; top: 0; z-index: 30; height: 70px;
  background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.head-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--deep); color: #fff; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text small { margin-top: 5px; color: var(--muted); font-size: 9px; letter-spacing: .14em; }
.site-nav { display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 13px; font-weight: 600; }
.site-nav a:hover, .site-nav a.active { color: var(--orange); }
.head-actions { display: flex; align-items: center; gap: 9px; }
.lang-button { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--deep); font-size: 11px; font-weight: 800; cursor: pointer; }
.button {
  min-height: 42px; display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border: 1px solid transparent; border-radius: 9px;
  background: var(--deep); color: #fff; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(7,59,42,.16); }
.button.orange { background: var(--orange); }
.button.white { background: #fff; color: var(--ink); border-color: var(--line); }
.eyebrow { color: var(--orange); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.page-hero { padding: 92px 0 72px; background: #fff; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: end; }
.page-hero h1 { max-width: 780px; margin: 18px 0 24px; font-size: clamp(44px, 6vw, 76px); line-height: 1.04; letter-spacing: -.055em; }
.page-hero p { max-width: 720px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-note { padding: 28px; border-left: 4px solid var(--orange); background: #f6f7f4; }
.hero-note strong { display: block; margin-bottom: 10px; font-size: 18px; }
.hero-note p { font-size: 13px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.section { padding: 76px 0; }
.section.white { background: #fff; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 36px; }
.section-head h2 { margin: 10px 0 0; font-size: clamp(32px, 4vw, 48px); line-height: 1.12; letter-spacing: -.04em; }
.section-head p { max-width: 520px; margin: 0; color: var(--muted); line-height: 1.8; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.principle { min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; transition: .25s ease; }
.principle:hover { transform: translateY(-4px); border-color: rgba(244,90,36,.35); box-shadow: var(--shadow); }
.principle b { color: var(--orange); font-size: 11px; letter-spacing: .1em; }
.principle h3 { margin: 42px 0 12px; font-size: 22px; }
.principle p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.audience-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.audience-card { padding: 28px; border-radius: 18px; background: #eef2ef; }
.audience-card h3 { margin: 0 0 10px; font-size: 20px; }
.audience-card p { margin: 0; color: var(--muted); line-height: 1.75; }
.buyer-service {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: stretch;
  margin-top: 24px; padding: 28px; border: 1px solid #d7e3dc; border-radius: 20px;
  background: linear-gradient(135deg, #f3f8f4 0%, #e8f1ec 100%);
}
.buyer-service h3 { margin: 0 0 10px; font-size: 24px; }
.buyer-service p { margin: 0; color: var(--muted); line-height: 1.8; }
.buyer-service-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }
.buyer-service-list span {
  padding: 10px 12px; border: 1px solid #cfe0d5; border-radius: 10px;
  background: rgba(255,255,255,.62); color: #365345; font-size: 13px; font-weight: 700; text-align: center;
}
.buyer-service-list a {
  display: block; padding: 12px; border: 1px solid #cfe0d5; border-radius: 10px;
  background: rgba(255,255,255,.62); color: #365345; font-size: 14px; font-weight: 700;
  text-align: center; text-decoration: none;
}
.buyer-service-list a:hover { border-color: #8db5a0; background: #fff; }
.contact-section { background: #f3f7f4; }
.contact-phone-list { max-width: 760px; margin-top: 0; }
.buyer-service-contacts {
  display: flex; flex-direction: column; justify-content: center; gap: 10px;
  padding: 20px; border-radius: 16px; background: #173126; color: #fff;
}
.buyer-service-contacts strong { font-size: 15px; }
.buyer-service-contacts span { color: #b7d1c1; font-size: 13px; line-height: 1.6; }
.buyer-service-contacts[hidden] { display: none; }
.growth-flow { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }
.flow-step { min-height: 150px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.flow-step b { color: var(--orange); font-size: 11px; }
.flow-step h3 { margin: 24px 0 8px; font-size: 17px; }
.flow-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.tool-shell { display: grid; grid-template-columns: .85fr 1.15fr; gap: 22px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.tool-form { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; align-content: start; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 700; }
.field input, .field textarea, .field select { width: 100%; min-height: 44px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; background: #fafbf9; }
.field textarea { min-height: 90px; resize: vertical; }
.tool-output { min-height: 370px; padding: 24px; border-radius: 17px; background: var(--deep); color: #dce8e2; }
.tool-output-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; color: #fff; }
.tool-result { margin: 0; white-space: pre-wrap; font-size: 13px; line-height: 1.8; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 38px; border-radius: 22px; background: var(--deep); color: #fff; }
.cta-band h2 { margin: 0 0 8px; font-size: 30px; }
.cta-band p { margin: 0; color: #a8bbb2; }
.footer { padding: 50px 0 30px; background: #101411; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; }
.footer p, .footer a { color: #89958f; font-size: 13px; line-height: 1.9; }
.footer b { display: block; margin-bottom: 13px; font-size: 13px; }
.footnote { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #69746e; font-size: 12px; }

@media(max-width: 900px) {
  .site-nav { display: none; }
  .hero-grid, .tool-shell { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .growth-flow { grid-template-columns: repeat(2,1fr); }
}
@media(max-width: 620px) {
  .wrap { width: min(100% - 28px, 1180px); }
  .site-head { height: 64px; }
  .head-actions .button { padding: 8px 10px; font-size: 11px; }
  .page-hero { padding: 64px 0 50px; }
  .page-hero h1 { font-size: 42px; }
  .section { padding: 54px 0; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .audience-grid, .growth-flow, .tool-form, .footer-grid { grid-template-columns: 1fr; }
  .buyer-service { grid-template-columns: 1fr; padding: 22px; }
  .buyer-service-list { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .cta-band { align-items: flex-start; flex-direction: column; padding: 28px 22px; }
}
@media(prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}