:root {
  --navy: #2c3e50;
  --navy-deep: #1c2a36;
  --green: #3d6e6b;
  --green-dark: #315b58;
  --green-soft: #dfe9e7;
  --ink: #17232c;
  --muted: #66757f;
  --paper: #fbfcfb;
  --surface: #f3f6f5;
  --line: #dce4e1;
  --white: #ffffff;
  --warning: #8a6740;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(27, 45, 56, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--navy-deep);
  border-radius: 10px;
}

.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 228, 225, 0.88);
  background: rgba(251, 252, 251, 0.93);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  width: min(var(--max), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 15px; letter-spacing: 0.03em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 11px; }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a {
  position: relative;
  color: #46545d;
  font-size: 14px;
  font-weight: 600;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 2px;
  background: var(--green);
  transition: right 180ms ease;
}
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { right: 0; }
.site-nav .nav-cta {
  padding: 10px 17px;
  color: var(--white);
  background: var(--navy);
  border-radius: 999px;
}
.site-nav .nav-cta::after { display: none; }

.menu-toggle {
  position: relative;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy);
  transition: 180ms ease;
}

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 112px 0; }
.section.compact { padding: 76px 0; }
.section.tint { background: var(--surface); }
.section.dark { color: var(--white); background: var(--navy-deep); }

.eyebrow {
  margin: 0 0 20px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.dark .eyebrow { color: #8db6b2; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--navy-deep); line-height: 1.2; letter-spacing: -0.025em; }
.dark h1, .dark h2, .dark h3 { color: var(--white); }
h1 { font-size: clamp(44px, 6.2vw, 80px); }
h2 { font-size: clamp(34px, 4.2vw, 54px); }
h3 { font-size: 24px; }
.lead { max-width: 760px; color: #4f5f68; font-size: clamp(18px, 2vw, 23px); }
.dark .lead { color: #c9d4d9; }
.muted { color: var(--muted); }

.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--white); background: var(--green); }
.button.primary:hover { background: var(--green-dark); }
.button.secondary { color: var(--navy); border-color: #bfcac7; background: transparent; }
.dark .button.secondary { color: var(--white); border-color: #5f707a; }

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(251, 252, 251, 0.98) 0%, rgba(251, 252, 251, 0.93) 52%, rgba(239, 244, 242, 0.8) 100%),
    radial-gradient(circle at 82% 50%, rgba(61, 110, 107, 0.14), transparent 36%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: clamp(48px, 8vw, 112px);
  padding: 80px 0;
}
.hero h1 { max-width: 800px; margin-bottom: 28px; }
.hero .lead { max-width: 650px; }
.hero-credentials { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 28px; color: var(--muted); font-size: 13px; }
.hero-credentials span { position: relative; padding-left: 14px; }
.hero-credentials span::before { content: ''; position: absolute; left: 0; top: .72em; width: 5px; height: 5px; background: var(--green); border-radius: 50%; }
.text-link { display: inline-flex; gap: 10px; align-items: center; margin-top: 34px; color: var(--green-dark); font-size: 14px; font-weight: 700; }
.text-link span { font-size: 18px; }

.brand-hero h1 { font-size: clamp(46px, 5.1vw, 70px); }
.hero-copy { min-width: 0; }
.hero-proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; }
.hero-proof-grid article { min-height: 116px; padding: 18px 16px; border-top: 2px solid var(--green); background: rgba(255,255,255,.52); }
.hero-proof-grid strong, .hero-proof-grid span { display: block; }
.hero-proof-grid strong { margin-bottom: 8px; color: var(--navy-deep); font-size: 14px; }
.hero-proof-grid span { color: var(--muted); font-size: 12px; line-height: 1.65; }

.loss-ledger {
  position: relative;
  padding: 34px 34px 26px;
  border: 1px solid #cad6d2;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
  border-radius: 28px;
}
.loss-ledger::before { display: none; }
.loss-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}
.loss-row strong { color: var(--green); font-size: 30px; }
.loss-row span { color: #53636c; font-size: 15px; }

.value-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.value-item { padding: 52px 42px; }
.value-item + .value-item { border-left: 1px solid var(--line); }
.value-item .num { display: block; margin-bottom: 24px; color: var(--green); font-size: 13px; font-weight: 700; }
.value-item h3 { margin-bottom: 14px; }
.value-item p { margin: 0; color: var(--muted); }
.section-intro { max-width: 820px; margin-bottom: 52px; }
.ai-entry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.ai-entry-card { min-height: 250px; padding: 30px; background: var(--white); border: 1px solid var(--line); border-radius: 20px; }
.ai-entry-card > span { color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.ai-entry-card h3 { margin: 28px 0 14px; }
.ai-entry-card p { color: #4f6068; }
.ai-entry-card small { display: block; margin-top: 24px; padding-top: 16px; color: var(--muted); border-top: 1px solid var(--line); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(48px, 9vw, 120px);
  align-items: start;
}
.split.reverse { grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr); }
.sticky-copy { position: sticky; top: 118px; }

.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.plain-list li:last-child { border-bottom: 1px solid var(--line); }
.plain-list strong { display: block; margin-bottom: 7px; color: var(--navy-deep); font-size: 19px; }
.plain-list span { color: var(--muted); }

.page-hero { padding: 112px 0 88px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 950px; margin-bottom: 26px; font-size: clamp(42px, 5.5vw, 70px); }

.method-line { margin-top: 58px; border-top: 1px solid var(--line); }
.method-step {
  display: grid;
  grid-template-columns: 90px minmax(180px, 0.45fr) 1fr;
  gap: 30px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.method-step .index { color: var(--green); font-size: 13px; font-weight: 700; }
.method-step h3 { margin: 0; }
.method-step p { margin: 0; color: var(--muted); }

.experience-quote {
  padding: clamp(34px, 6vw, 72px);
  color: var(--white);
  background: var(--navy);
  border-radius: 30px;
}
.experience-quote p { max-width: 820px; margin: 0; font-size: clamp(24px, 3vw, 38px); line-height: 1.5; }

.stage-list { counter-reset: stage; }
.stage {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 52px;
  padding: 58px 0;
  border-top: 1px solid var(--line);
}
.stage:last-child { border-bottom: 1px solid var(--line); }
.stage-label { color: var(--green); font-weight: 700; }
.stage h2 { margin-bottom: 20px; }
.stage ul { margin: 0 0 22px; padding-left: 1.2em; color: #52616a; }
.deliverable { color: var(--navy); font-weight: 700; }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 54px;
  overflow: hidden;
  background: #61737b;
  border: 1px solid #61737b;
  border-radius: var(--radius);
}
.principle { min-height: 230px; padding: 34px; background: var(--navy-deep); }
.principle h3 { color: var(--white); }
.principle p { color: #bdc9ce; }

.case {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: clamp(50px, 9vw, 124px);
  padding: 84px 0;
  border-top: 1px solid var(--line);
}
.case:last-of-type { border-bottom: 1px solid var(--line); }
.case-number { color: var(--green); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; }
.case h2 { margin-bottom: 26px; }
.case-metric { margin: 10px 0 28px; color: var(--green); font-size: clamp(42px, 6vw, 72px); font-weight: 700; line-height: 1; }
.case-copy { max-width: 720px; }
.case-copy p { color: #53636c; }
.case-goal { margin-top: 26px; color: var(--navy-deep); font-size: 23px; font-weight: 700; }
.source-note { margin-top: 22px; color: var(--muted); font-size: 13px; }
.source-note a { text-decoration: underline; text-underline-offset: 3px; }

.notice {
  padding: 24px 28px;
  color: #5f5140;
  background: #f7f2eb;
  border-left: 4px solid var(--warning);
  border-radius: 0 14px 14px 0;
}

.diagnostic-shell {
  display: grid;
  grid-template-columns: 0.62fr 1.38fr;
  gap: 56px;
  align-items: start;
}
.diagnostic-aside { position: sticky; top: 116px; }
.progress-label { margin-bottom: 12px; color: var(--muted); font-size: 13px; }
.progress-track { height: 5px; overflow: hidden; background: var(--line); border-radius: 99px; }
.progress-bar { width: 33.333%; height: 100%; background: var(--green); transition: width 240ms ease; }

.form-panel {
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: 26px;
}
.form-step[hidden], .result-panel[hidden] { display: none; }
.form-step h2 { margin-bottom: 12px; }
.form-help { margin-bottom: 30px; color: var(--muted); }
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.choice {
  position: relative;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border 160ms ease, background 160ms ease;
}
.choice:hover { border-color: #9db1ac; background: #f8faf9; }
.choice input { width: 18px; height: 18px; accent-color: var(--green); }
.choice:has(input:checked) { border-color: var(--green); background: #edf4f2; }
.choice.block { align-items: flex-start; min-height: 94px; }
.choice strong { display: block; margin-bottom: 3px; color: var(--navy-deep); }
.choice small { color: var(--muted); }
.form-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 34px; }
.form-actions .button { border: 0; }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 34px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--navy-deep); font-size: 14px; font-weight: 700; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  border: 1px solid #cbd6d2;
  background: var(--white);
  border-radius: 10px;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(61, 110, 107, 0.12); }
.field textarea { min-height: 118px; resize: vertical; }
.consent { display: flex; align-items: flex-start; gap: 10px; margin-top: 22px; color: var(--muted); font-size: 13px; }
.consent input { margin-top: 5px; accent-color: var(--green); }
.honeypot { position: absolute !important; left: -10000px !important; opacity: 0 !important; }
.form-error { min-height: 24px; margin: 16px 0 0; color: #9d4037; font-size: 14px; }
.result-level { color: var(--green); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; }
.result-panel h2 { margin: 10px 0 20px; }
.result-panel p { color: #52616a; }
.six-efficiency { padding: 38px 34px 30px; }
.model-kicker { margin: 0 0 10px; color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .16em; }
.six-efficiency h2 { margin: 0 0 26px; font-size: 26px; letter-spacing: -.02em; }
.six-factor-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.six-factor-grid article { min-height: 108px; display: flex; flex-direction: column; justify-content: space-between; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.six-factor-grid strong { color: var(--green-dark); font-size: 34px; line-height: 1; }
.six-factor-grid span { color: #55656d; font-size: 12px; }
.model-foot { margin: 22px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.personal-position { background: var(--navy-deep); }
.positioning-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(54px, 10vw, 130px); align-items: start; }
.personal-position h2 { color: var(--white); }
.positioning-copy p { color: #bac8ce; font-size: 17px; }
.positioning-copy .definition { color: var(--white); font-size: 21px; line-height: 1.75; }
.personal-position .text-link { color: #8fc5bf; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 25px 40px 25px 0; color: var(--navy-deep); font-size: 19px; font-weight: 700; cursor: pointer; }
.faq-list details p { max-width: 900px; margin: 0 0 25px; color: var(--muted); }
.origin-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(52px, 9vw, 120px); }
.origin-copy { padding-top: 3px; }
.origin-copy p { margin-bottom: 24px; color: #52616a; font-size: 18px; }
.method-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px, 8vw, 100px); align-items: start; }
.method-layout .method-line { margin-top: 0; }
.light-principles { background: var(--line); border-color: var(--line); }
.light-principles .principle { background: var(--white); }
.light-principles .principle h3 { color: var(--navy-deep); }
.light-principles .principle p { color: var(--muted); }
.result-intro { font-size: 18px; line-height: 1.8; }
.profile-summary { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.profile-summary span { padding: 6px 10px; color: var(--green-dark); background: #e7efed; border-radius: 99px; font-size: 12px; }
.ai-recommendations { margin: 34px 0; }
.ai-recommendations > h3 { margin-bottom: 18px; font-size: 22px; }
.ai-direction { padding: 22px 0; border-top: 1px solid var(--line); }
.ai-direction:last-child { border-bottom: 1px solid var(--line); }
.ai-direction h4 { margin: 0 0 8px; color: var(--navy-deep); font-size: 18px; }
.ai-direction p { margin: 0 0 8px; }
.ai-direction small { color: var(--green-dark); }
.pilot-block { margin: 28px 0; padding: 22px 24px; background: #eef3f1; border-radius: 15px; }
.pilot-block > span { color: var(--green-dark); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.pilot-block p { margin: 8px 0; color: var(--navy-deep); }
.pilot-block small { color: var(--muted); }
.human-boundary { margin: 22px 0; padding: 18px 20px; border: 1px solid #e4d7c7; background: #faf6ef; border-radius: 12px; }
.human-boundary strong { color: #765b3d; }
.human-boundary p { margin: 6px 0 0; }
.result-judgments { display: grid; gap: 10px; margin: 24px 0; }
.result-judgments p { margin: 0; padding: 14px 18px; background: #f4f7f6; border-left: 3px solid var(--green); border-radius: 0 10px 10px 0; }
.hypothesis { margin: 28px 0; padding: 22px 24px; background: var(--navy-deep); border-radius: 16px; }
.hypothesis span { color: #78bbb4; font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.hypothesis p { margin: 9px 0 0; color: var(--white); font-size: 18px; }
.estimate-form { margin: 30px 0; padding: 26px; background: #f6f3eb; border: 1px solid #e3ddd0; border-radius: 18px; }
.estimate-form h3 { margin: 0 0 20px; }
.estimate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.estimate-grid label { display: grid; gap: 8px; color: var(--navy-deep); font-size: 13px; font-weight: 700; }
.number-input { display: flex; align-items: center; overflow: hidden; background: var(--white); border: 1px solid #cbd6d2; border-radius: 10px; }
.number-input input { width: 100%; min-width: 0; padding: 12px; border: 0; outline: 0; }
.number-input em { padding-right: 12px; color: var(--muted); font-size: 12px; font-style: normal; white-space: nowrap; }
.estimate-help { margin: 13px 0 18px !important; font-size: 12px; }
.estimate-result { margin-top: 20px; padding-top: 18px; border-top: 1px solid #d8d1c4; }
.estimate-result p { margin: 0 0 8px; }
.estimate-result strong { color: var(--green-dark); font-size: 20px; }
.estimate-result small, .result-guidance small { color: var(--muted); line-height: 1.6; }
.result-guidance { margin: 24px 0; }
.privacy-note { margin: 28px 0 0 !important; padding-top: 18px; font-size: 12px; border-top: 1px solid var(--line); }

.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.contact-block { padding: 34px 0; border-top: 1px solid var(--line); }
.contact-block h3 { margin-bottom: 8px; }
.contact-block p { margin: 0; color: var(--muted); }
.contact-block a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 4px; }

.site-footer { padding: 54px 0; color: #9aabb3; background: var(--navy-deep); }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; align-items: flex-end; }
.footer-minimal { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 13px; }
.admin-link { color: #70858f; font-size: 11px; }
.admin-link:hover { color: #b8c7cc; }
.footer-brand { color: var(--white); font-weight: 700; }
.footer-copy { max-width: 620px; margin: 10px 0 0; color: #9aabb3; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; font-size: 13px; }

.fade-up { opacity: 0; transform: translateY(18px); transition: opacity 650ms ease, transform 650ms ease; }
.fade-up.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .fade-up { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: fixed;
    inset: 77px 0 0;
    z-index: 190;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: calc(100dvh - 77px);
    padding: 22px 28px 40px;
    overflow-y: auto;
    background: #ffffff;
    box-shadow: 0 30px 60px rgba(20, 39, 49, .18);
  }
  .menu-open .site-nav { display: flex; }
  .menu-open .site-header { background: #fff; backdrop-filter: none; }
  .menu-open main, .menu-open footer { visibility: hidden; }
  .site-nav a { padding: 17px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .site-nav a::after { display: none; }
  .site-nav .nav-cta { margin-top: 22px; text-align: center; border: 0; }
  .menu-open .menu-toggle { border-color: #87979e; background: #f5f7f6; }
  .menu-open .menu-toggle span { opacity: 0; }
  .menu-open .menu-toggle::before { content: "×"; position: absolute; left: 10px; top: 1px; width: auto; height: auto; margin: 0; color: var(--navy-deep); background: none; font-size: 32px; font-weight: 400; line-height: 40px; transform: none; }
  .menu-open .menu-toggle::after { display: none; }

  .hero-grid, .split, .split.reverse, .diagnostic-shell, .positioning-grid, .origin-grid, .method-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-grid { padding: 72px 0 88px; }
  .loss-ledger { max-width: 620px; }
  .value-strip { grid-template-columns: 1fr; }
  .value-item { padding: 36px 0; }
  .value-item + .value-item { border-left: 0; border-top: 1px solid var(--line); }
  .sticky-copy, .diagnostic-aside { position: static; }
  .principles { grid-template-columns: 1fr; }
  .ai-entry-grid { grid-template-columns: 1fr; }
  .principle { min-height: auto; }
  .case { grid-template-columns: 1fr; gap: 16px; padding: 64px 0; }
  .stage { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 640px) {
  .container, .nav-wrap { width: min(100% - 28px, var(--max)); }
  .brand-copy small { display: none; }
  .section { padding: 78px 0; }
  .section.compact { padding: 58px 0; }
  .page-hero { padding: 76px 0 62px; }
  h1 { font-size: clamp(40px, 13vw, 58px); }
  h2 { font-size: clamp(30px, 9vw, 42px); }
  .lead { font-size: 18px; }
  .hero-grid { gap: 42px; padding: 54px 0 66px; }
  .hero h1 { margin-bottom: 20px; font-size: 38px; line-height: 1.18; }
  .hero .lead { font-size: 17px; line-height: 1.75; }
  .hero-credentials { display: grid; gap: 8px; margin-top: 22px; }
  .hero-proof-grid { grid-template-columns: 1fr; gap: 0; margin-top: 26px; border-bottom: 1px solid var(--line); }
  .hero-proof-grid article { min-height: auto; padding: 14px 0; border-top: 1px solid var(--line); background: transparent; }
  .hero-proof-grid strong { margin-bottom: 3px; }
  .text-link { margin-top: 24px; }
  .button-row, .button-row .button { width: 100%; }
  .loss-ledger { padding: 28px 20px 24px; }
  .loss-row { grid-template-columns: 44px 1fr; }
  .loss-row strong { font-size: 26px; }
  .method-step { grid-template-columns: 52px 1fr; gap: 14px; }
  .method-step p { grid-column: 2; }
  .choice-grid, .field-grid, .contact-grid { grid-template-columns: 1fr; }
  .six-efficiency { padding: 26px 20px; }
  .six-factor-grid article { min-height: 94px; padding: 13px; }
  .six-factor-grid strong { font-size: 30px; }
  .positioning-copy .definition { font-size: 19px; }
  .ai-entry-card { min-height: auto; padding: 26px 22px; }
  .estimate-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .form-panel { padding: 24px 18px; border-radius: 18px; }
  .form-actions { flex-direction: column-reverse; }
  .form-actions .button { width: 100%; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
  .footer-minimal { align-items: flex-start; flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}