:root {
  --paper: #f4efe5;
  --paper-soft: #faf7f0;
  --ink: #0b2236;
  --ink-2: #183448;
  --steel: #566570;
  --line: #cfc9be;
  --line-dark: #314657;
  --copper: #e35a2d;
  --copper-dark: #bc3f1a;
  --blue: #0c4a72;
  --white: #ffffff;
  --black: #111517;
  --success: #146c43;
  --error: #a32618;
  --max: 1240px;
  --shadow: 0 24px 80px rgba(11, 34, 54, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
::selection { background: rgba(227,90,45,.2); }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 9999;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  border-radius: 4px;
}
.skip-link:focus { top: 16px; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { position: relative; padding: 96px 0; border-top: 1px solid var(--line); }
.section-compact { padding: 64px 0; }
.section-dark { color: var(--paper-soft); background: var(--black); border-color: #2c3134; }
.section-ink { color: var(--paper-soft); background: var(--ink); border-color: #294357; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: var(--copper-dark);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 20px; height: 1px; background: currentColor; }
.section-dark .kicker, .section-ink .kicker { color: #ff8c65; }

.display,
h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.02;
  letter-spacing: -.035em;
}
h1 { font-size: clamp(3.1rem, 7vw, 6.8rem); }
h2 { font-size: clamp(2.15rem, 4.6vw, 4.55rem); }
h3 { font-size: clamp(1.35rem, 2vw, 2rem); }
p { margin: 0; }
.lead { max-width: 720px; color: var(--steel); font-size: clamp(1.05rem, 1.7vw, 1.28rem); line-height: 1.65; }
.section-dark .lead, .section-ink .lead { color: #c7d0d6; }
.emphasis { color: var(--copper); }
.muted { color: var(--steel); }
.micro { color: var(--steel); font-size: .82rem; }

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 19px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  font-weight: 780;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s ease, color .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(227,90,45,.38); outline-offset: 3px; }
.btn-primary { color: #fff; background: var(--ink); border-color: var(--ink); }
.btn-primary:hover { background: var(--ink-2); }
.btn-accent { color: #fff; background: var(--copper); border-color: var(--copper); }
.btn-accent:hover { background: var(--copper-dark); }
.btn-light { color: var(--ink); background: var(--paper-soft); border-color: var(--paper-soft); }
.btn-ghost-light { color: var(--paper-soft); border-color: #82909a; }
.btn-arrow::after { content: "→"; font-size: 1.15em; }

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid rgba(207,201,190,.85);
  background: rgba(244,239,229,.94);
  backdrop-filter: blur(16px);
}
.navbar { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 860; letter-spacing: -.025em; }
.brand img { width: 43px; height: 43px; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy small { margin-top: 4px; color: var(--steel); font-size: .66rem; font-weight: 680; letter-spacing: .07em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links > a:not(.btn) { position: relative; padding: 12px 13px; font-size: .9rem; font-weight: 720; }
.nav-links > a:not(.btn)::after { content: ""; position: absolute; right: 13px; bottom: 6px; left: 13px; height: 2px; background: var(--copper); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-links > a:not(.btn):hover::after,
.nav-links > a[aria-current="page"]::after { transform: scaleX(1); }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); background: transparent; cursor: pointer; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 21px; height: 2px; background: var(--ink); transition: .2s ease; }
.menu-toggle span { margin: 5px 0; }
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-7px) rotate(-45deg); }

.hero { overflow: hidden; padding: 88px 0 70px; }
.hero::before { content: ""; position: absolute; top: 78px; right: -12vw; width: 62vw; height: 62vw; max-width: 900px; max-height: 900px; border: 1px solid rgba(11,34,54,.09); border-radius: 50%; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); align-items: center; gap: 52px; }
.hero-copy h1 { max-width: 780px; }
.hero-copy .lead { margin-top: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--line); }
.hero-proof span { color: var(--steel); font-size: .82rem; font-weight: 650; }
.hero-proof strong { color: var(--ink); }
.hero-diagram { position: relative; padding: 10px; }
.hero-diagram::after { content: "SS"; position: absolute; z-index: -1; right: -24px; bottom: -42px; color: rgba(11,34,54,.035); font-size: 12rem; font-weight: 900; letter-spacing: -.12em; }
.hero-diagram img { width: 100%; filter: drop-shadow(0 30px 35px rgba(11,34,54,.08)); }

.problem-strip { padding: 0; }
.problem-layout { display: grid; grid-template-columns: 290px 1fr; }
.problem-intro { padding: 46px 36px 46px 0; border-right: 1px solid var(--line); }
.problem-intro h2 { font-size: 2.25rem; }
.problem-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.problem-item { min-height: 180px; padding: 38px 24px; border-right: 1px solid var(--line); }
.problem-item:last-child { border-right: 0; }
.problem-number { display: block; margin-bottom: 30px; color: var(--copper); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
.problem-item h3 { font-family: inherit; font-size: 1rem; line-height: 1.28; letter-spacing: -.015em; }
.problem-item p { margin-top: 10px; color: var(--steel); font-size: .86rem; }

.section-heading { display: grid; grid-template-columns: .75fr 1.25fr; align-items: end; gap: 42px; margin-bottom: 56px; }
.section-heading .lead { justify-self: end; }

.method-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.method-step { position: relative; min-height: 280px; padding: 32px 25px 26px; border-right: 1px solid var(--line); }
.method-step:last-child { border-right: 0; }
.method-step:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 33px; right: -9px; width: 18px; color: var(--steel); background: var(--paper); text-align: center; }
.method-step strong { display: block; margin-bottom: 42px; color: var(--copper); font-family: Georgia, serif; font-size: 2.35rem; }
.method-step h3 { font-family: inherit; font-size: 1.05rem; letter-spacing: -.01em; }
.method-step p { margin-top: 13px; color: var(--steel); font-size: .9rem; }

.solutions-shell { display: grid; grid-template-columns: 340px 1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.solutions-intro { padding: 44px 38px 44px 0; border-right: 1px solid var(--line); }
.solutions-intro h2 { font-size: 3rem; }
.solutions-intro .btn { margin-top: 28px; }
.solutions-list { display: grid; grid-template-columns: repeat(2, 1fr); }
.solution-row { display: grid; grid-template-columns: 54px 1fr auto; align-items: start; gap: 18px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.solution-row:nth-child(2n) { border-right: 0; }
.solution-row:nth-last-child(-n+2) { border-bottom: 0; }
.solution-icon { display: grid; width: 48px; height: 48px; place-items: center; color: var(--blue); border: 1px solid var(--line); font-weight: 850; }
.solution-row h3 { font-family: inherit; font-size: 1.04rem; letter-spacing: -.012em; }
.solution-row p { margin-top: 8px; color: var(--steel); font-size: .86rem; }
.solution-row > span:last-child { color: var(--copper); font-size: 1.2rem; }

.project-feature { display: grid; grid-template-columns: 350px 1fr; gap: 24px; }
.project-intro { padding-right: 34px; }
.project-intro h2 { font-size: 3.25rem; }
.project-intro .lead { margin-top: 22px; font-size: 1rem; }
.project-intro .text-link { display: inline-flex; margin-top: 28px; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #2f363a; }
.project-card { position: relative; min-height: 400px; padding: 31px 26px; overflow: hidden; border-right: 1px solid #2f363a; background: linear-gradient(160deg, #1a2024, #101315 68%); }
.project-card:last-child { border-right: 0; }
.project-card::before { content: ""; position: absolute; top: -65px; right: -65px; width: 180px; height: 180px; border: 1px solid #3e484e; border-radius: 50%; }
.project-card::after { content: ""; position: absolute; top: -20px; right: -20px; width: 90px; height: 90px; border: 1px solid #3e484e; border-radius: 50%; }
.project-tag { color: #ff8c65; font-size: .69rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.project-card h3 { position: relative; z-index: 2; margin-top: 48px; font-family: inherit; font-size: 1.45rem; letter-spacing: -.02em; }
.project-card p { position: relative; z-index: 2; margin-top: 18px; color: #bbc4c9; font-size: .91rem; }
.project-meta { position: absolute; right: 26px; bottom: 27px; left: 26px; display: flex; flex-wrap: wrap; gap: 7px; }
.project-meta span { padding: 4px 8px; color: #d6dde1; border: 1px solid #455159; font-size: .66rem; }

.lab-layout { display: grid; grid-template-columns: 300px 1fr; gap: 40px; }
.lab-intro h2 { font-size: 3.1rem; }
.lab-intro .lead { margin-top: 20px; font-size: 1rem; }
.lab-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.lab-item { min-height: 225px; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.28); }
.lab-visual { height: 82px; margin-bottom: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--paper-soft); }
.lab-bars { display: flex; height: 100%; align-items: flex-end; gap: 8px; padding: 14px; }
.lab-bars i { display: block; flex: 1; background: var(--blue); }
.lab-bars i:nth-child(1){height:36%}.lab-bars i:nth-child(2){height:68%}.lab-bars i:nth-child(3){height:48%}.lab-bars i:nth-child(4){height:82%}.lab-bars i:nth-child(5){height:61%}
.lab-flow { display: flex; height: 100%; align-items: center; justify-content: center; gap: 9px; padding: 12px; }
.lab-flow i { width: 24px; height: 24px; border: 2px solid var(--copper); transform: rotate(45deg); }
.lab-code { padding: 12px; color: #d7f0e1; background: #17211c; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .62rem; line-height: 1.55; }
.lab-item h3 { font-family: inherit; font-size: 1rem; line-height: 1.25; letter-spacing: -.01em; }
.lab-item a { display: inline-flex; margin-top: 18px; color: var(--ink); border-bottom: 1px solid var(--ink); font-size: .78rem; font-weight: 800; }

.trust-shell { display: grid; grid-template-columns: 280px 1fr; }
.trust-intro { padding: 50px 35px 50px 0; }
.trust-intro h2 { font-size: 2.6rem; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-left: 1px solid #343a3e; }
.trust-item { min-height: 205px; padding: 42px 28px; border-right: 1px solid #343a3e; border-bottom: 1px solid #343a3e; }
.trust-item:nth-last-child(-n+3) { border-bottom: 0; }
.trust-item .symbol { display: grid; width: 45px; height: 45px; margin-bottom: 26px; place-items: center; color: #ff8c65; border: 1px solid #5a6469; font-weight: 900; }
.trust-item h3 { font-family: inherit; font-size: 1rem; letter-spacing: 0; }
.trust-item p { margin-top: 10px; color: #aeb8bd; font-size: .84rem; }

.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.about-block { min-height: 390px; padding: 55px 48px 46px 0; border-right: 1px solid var(--line); }
.about-block:last-child { padding-right: 0; padding-left: 48px; border-right: 0; }
.about-block h2 { font-size: 3rem; }
.about-block .lead { margin-top: 24px; font-size: 1rem; }
.leadership { display: grid; grid-template-columns: 115px 1fr; align-items: center; gap: 26px; margin-top: 35px; }
.leadership-mark { display: grid; width: 112px; height: 132px; place-items: center; color: var(--paper-soft); background: var(--ink); font-family: Georgia, serif; font-size: 2.6rem; font-weight: 700; }
.leadership h3 { font-family: inherit; font-size: 1.25rem; letter-spacing: -.015em; }
.leadership p { margin-top: 7px; color: var(--steel); font-size: .88rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); border-bottom: 1px solid currentColor; font-weight: 800; }
.text-link::after { content: "→"; }
.section-dark .text-link, .section-ink .text-link { color: var(--paper-soft); }

.cta-band { padding: 0; }
.cta-grid { display: grid; grid-template-columns: .85fr 1.15fr; }
.cta-side { padding: 66px 50px 66px 0; }
.cta-main { padding: 66px 0 66px 55px; border-left: 1px solid #496075; }
.cta-main h2 { max-width: 780px; font-size: clamp(2.3rem,4.3vw,4.6rem); }
.cta-main .lead { margin-top: 22px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.page-hero { padding: 86px 0 72px; }
.page-hero-grid { display: grid; grid-template-columns: 1fr .75fr; align-items: end; gap: 50px; }
.page-hero .lead { justify-self: end; }
.page-index { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.page-index a { padding: 8px 11px; border: 1px solid var(--line); font-size: .75rem; font-weight: 800; }

.detail-list { border-top: 1px solid var(--line); }
.detail-row { display: grid; grid-template-columns: 85px 300px 1fr; gap: 32px; padding: 42px 0; border-bottom: 1px solid var(--line); }
.detail-row > strong { color: var(--copper); font-family: Georgia, serif; font-size: 2rem; }
.detail-row h2 { font-size: 2rem; }
.detail-row p { color: var(--steel); }
.detail-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px 22px; margin-top: 18px; }
.detail-points span { position: relative; padding-left: 17px; font-size: .87rem; }
.detail-points span::before { content: ""; position: absolute; top: .65em; left: 0; width: 6px; height: 6px; background: var(--copper); }

.case-list { display: grid; gap: 18px; }
.case-row { display: grid; grid-template-columns: 180px 1fr 240px; gap: 32px; padding: 34px; border: 1px solid var(--line); background: rgba(255,255,255,.2); }
.case-row .case-code { color: var(--copper); font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.case-row h2 { margin-top: 10px; font-size: 2.5rem; }
.case-row p { color: var(--steel); }
.case-row .case-side { padding-left: 26px; border-left: 1px solid var(--line); }
.case-row .case-side strong { display: block; margin-bottom: 14px; font-size: .77rem; text-transform: uppercase; letter-spacing: .08em; }
.case-row .case-side span { display: block; margin-top: 8px; color: var(--steel); font-size: .84rem; }

.contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 62px; align-items: start; }
.contact-copy { position: sticky; top: 120px; }
.contact-copy h1 { font-size: clamp(3rem, 5.7vw, 5.7rem); }
.contact-copy .lead { margin-top: 25px; }
.contact-facts { display: grid; gap: 14px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.contact-facts div { display: grid; grid-template-columns: 115px 1fr; gap: 15px; font-size: .88rem; }
.contact-facts strong { color: var(--copper-dark); text-transform: uppercase; letter-spacing: .07em; }
.form-panel { padding: 42px; color: var(--paper-soft); background: var(--ink); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field { display: grid; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label { color: #dfe5e8; font-size: .78rem; font-weight: 760; letter-spacing: .04em; text-transform: uppercase; }
.field input, .field textarea, .field select { width: 100%; min-height: 52px; padding: 12px 14px; color: var(--paper-soft); border: 1px solid #587084; border-radius: 0; outline: 0; background: #102c42; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: #ff8c65; box-shadow: 0 0 0 3px rgba(255,140,101,.15); }
.field option { color: #111; background: #fff; }
.checkbox-label { display: flex; align-items: flex-start; gap: 9px; color: #dfe5e8; font-size: .86rem !important; font-weight: 500 !important; letter-spacing: 0 !important; line-height: 1.45; text-transform: none !important; }
.checkbox-label input[type="checkbox"] { width: 18px; min-width: 18px; height: 18px; min-height: 18px; margin: 2px 0 0; padding: 0; accent-color: var(--copper); }
.field-hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 24px; }
.form-status { min-height: 24px; color: #d4dce0; font-size: .84rem; }
.form-status.success { color: #83d6a9; }
.form-status.error { color: #ffac9e; }
.form-status a { text-decoration: underline; }

.privacy { max-width: 920px; }
.privacy h1 { font-size: clamp(3rem,6vw,5.5rem); }
.privacy h2 { margin-top: 54px; font-size: 2rem; }
.privacy p, .privacy li { color: var(--steel); }
.privacy p { margin-top: 16px; }
.privacy ul { padding-left: 23px; }

.site-footer { color: #ced7dc; background: #111517; border-top: 1px solid #30383c; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1fr; gap: 40px; padding: 58px 0 40px; }
.footer-brand .brand-copy strong { color: var(--paper-soft); }
.footer-brand .brand-copy small { color: #94a1a8; }
.footer-brand p { max-width: 310px; margin-top: 20px; color: #9faab0; font-size: .88rem; }
.footer-col strong { display: block; margin-bottom: 16px; color: var(--paper-soft); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; margin: 8px 0; color: #aeb9be; font-size: .86rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding: 22px 0 30px; color: #87949b; border-top: 1px solid #30383c; font-size: .76rem; }

.wa-float { position: fixed; z-index: 900; right: 18px; bottom: 18px; display: inline-flex; min-height: 48px; align-items: center; gap: 10px; padding: 11px 15px; color: #fff; background: #1f7a4c; box-shadow: 0 12px 35px rgba(0,0,0,.18); font-size: .78rem; font-weight: 800; }
.wa-float svg { width: 21px; height: 21px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.in { opacity: 1; transform: none; }

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

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 900px; }
  .hero-diagram { max-width: 760px; }
  .problem-layout, .solutions-shell, .project-feature, .lab-layout, .trust-shell { grid-template-columns: 1fr; }
  .problem-intro, .solutions-intro, .trust-intro { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .project-intro { padding: 0 0 20px; }
  .lab-intro { max-width: 650px; }
  .method-grid { grid-template-columns: repeat(3, 1fr); }
  .method-step:nth-child(3) { border-right: 0; }
  .method-step:nth-child(n+4) { border-top: 1px solid var(--line); }
  .method-step::after { display: none; }
  .trust-grid { border-left: 0; }
  .case-row { grid-template-columns: 150px 1fr; }
  .case-row .case-side { grid-column: 2; padding-left: 0; border-left: 0; }
}

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav-links { position: fixed; z-index: 999; top: 78px; right: 0; bottom: 0; left: 0; display: none; align-items: stretch; padding: 30px 20px 50px; overflow-y: auto; background: var(--paper); }
  .nav-links.open { display: flex; flex-direction: column; }
  .nav-links > a:not(.btn) { padding: 16px 0; border-bottom: 1px solid var(--line); font-family: Georgia, serif; font-size: 1.55rem; }
  .nav-links .btn { margin-top: 12px; }
  .hero { padding-top: 58px; }
  .hero-grid { gap: 30px; }
  .hero-diagram { padding: 0; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .problem-item:nth-child(2) { border-right: 0; }
  .problem-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-heading, .page-hero-grid, .about-layout, .cta-grid, .contact-layout { grid-template-columns: 1fr; }
  .section-heading .lead, .page-hero .lead { justify-self: start; }
  .solutions-list, .project-grid, .lab-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-row:nth-child(2n) { border-right: 0; }
  .solution-row:nth-last-child(-n+2) { border-bottom: 0; }
  .project-card:nth-child(2) { border-right: 0; }
  .project-card:nth-child(3) { border-top: 1px solid #2f363a; }
  .about-block, .about-block:last-child { min-height: 0; padding: 42px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .about-block:last-child { border-bottom: 0; }
  .cta-side { padding-right: 0; padding-bottom: 0; }
  .cta-main { padding-left: 0; border-left: 0; }
  .detail-row { grid-template-columns: 70px 1fr; }
  .detail-row > div:last-child { grid-column: 2; }
  .contact-copy { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 72px 0; }
  .brand-copy small { display: none; }
  .navbar { min-height: 70px; }
  .nav-links { top: 70px; }
  h1 { font-size: clamp(2.75rem, 14vw, 4.5rem); }
  h2 { font-size: clamp(2.1rem, 10vw, 3.4rem); }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .hero-proof { display: grid; gap: 8px; }
  .problem-grid, .solutions-list, .project-grid, .lab-grid, .trust-grid, .method-grid, .form-grid { grid-template-columns: 1fr; }
  .problem-item, .problem-item:nth-child(2), .solution-row, .solution-row:nth-child(2n), .project-card, .project-card:nth-child(2), .trust-item { border-right: 0; }
  .problem-item, .problem-item:nth-child(-n+2), .solution-row, .solution-row:nth-last-child(-n+2), .project-card, .project-card:nth-child(3), .trust-item, .trust-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .project-card { min-height: 360px; }
  .project-card:last-child, .solution-row:last-child, .trust-item:last-child { border-bottom: 0; }
  .method-step, .method-step:nth-child(3), .method-step:nth-child(n+4) { border-right: 0; border-top: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .method-step:last-child { border-bottom: 0; }
  .solution-row { grid-template-columns: 46px 1fr; }
  .solution-row > span:last-child { display: none; }
  .leadership { grid-template-columns: 86px 1fr; }
  .leadership-mark { width: 84px; height: 102px; }
  .case-row { grid-template-columns: 1fr; padding: 25px; }
  .case-row .case-side { grid-column: auto; padding-top: 20px; border-top: 1px solid var(--line); }
  .detail-row { grid-template-columns: 52px 1fr; gap: 16px; }
  .detail-points { grid-template-columns: 1fr; }
  .form-panel { padding: 26px 20px; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .wa-float span { display: none; }
  .wa-float { width: 50px; height: 50px; justify-content: center; padding: 0; }
}
/* HEADER_LOGO_MENU_V1 */
.site-header .brand > img {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  object-fit: cover;
  border-radius: 11px;
  background: #030b16;
  box-shadow: 0 0 0 1px rgba(10, 42, 75, 0.12);
}

@media (max-width: 720px) {
  .site-header .brand > img {
    width: 46px;
    height: 46px;
    flex-basis: 46px;
    border-radius: 9px;
  }
}