@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --ink: #18201c;
  --ink-soft: #334039;
  --mineral: #64736a;
  --steam: #eef0eb;
  --limestone: #e5dfd3;
  --paper: #f6f3ed;
  --white: #fffdf8;
  --bronze: #9a724d;
  --line: rgba(24, 32, 28, .17);
  --line-light: rgba(255, 253, 248, .24);
  --container: 1440px;
  --gutter: clamp(20px, 4vw, 64px);
  --section: clamp(80px, 9vw, 144px);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; }

figure { margin: 0; }

a { color: inherit; }

button, input, textarea { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid #d4a97e;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--white);
  color: var(--ink);
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.section { padding-block: var(--section); }

.section--tight { padding-block: clamp(64px, 7vw, 104px); }

.section--dark {
  color: var(--white);
  background: var(--ink);
}

.section--steam { background: var(--steam); }

.section--limestone { background: var(--limestone); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--mineral);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 1px;
  content: "";
  background: currentColor;
}

.section--dark .eyebrow, .hero .eyebrow { color: #d9d6cc; }

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  letter-spacing: -.045em;
  line-height: .98;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(48px, 6.6vw, 104px);
  font-weight: 500;
}

h2 {
  margin-bottom: 28px;
  font-size: clamp(40px, 5vw, 78px);
  font-weight: 500;
}

h3 {
  margin-bottom: 16px;
  font-size: clamp(25px, 2.4vw, 38px);
  font-weight: 600;
  line-height: 1.08;
}

.lede {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.55;
}

.section--dark .lede { color: #cfd4cf; }

.muted { color: var(--mineral); }

.meta {
  color: var(--mineral);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  flex: 0 0 auto;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.topbar {
  position: relative;
  z-index: 101;
  color: #e7e5dc;
  background: #27342e;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.topbar__inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.topbar .icon { width: 14px; height: 14px; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  background: rgba(246, 243, 237, .96);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 86px;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto auto auto;
  align-items: center;
  gap: clamp(16px, 2vw, 34px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
}

.brand__mark::before,
.brand__mark::after {
  width: 1px;
  height: 18px;
  content: "";
  background: var(--ink);
  transform: rotate(25deg);
}

.brand__mark::after {
  position: absolute;
  transform: rotate(-25deg);
}

.brand__name {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1;
}

.brand__descriptor {
  display: block;
  margin-top: 5px;
  color: var(--mineral);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
}

.nav__links a {
  position: relative;
  padding-block: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.nav__links a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s var(--ease);
}

.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: clamp(18px, 2.2vw, 42px);
}

.header-phone {
  display: block;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-align: right;
  text-decoration: none;
  white-space: nowrap;
}

.header-phone span {
  display: block;
  margin-bottom: 3px;
  color: var(--mineral);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.messenger {
  width: 44px;
  height: 44px;
  display: inline-grid;
  flex: 0 0 44px;
  place-items: center;
  color: var(--ink);
  border: 1px solid var(--line);
  background: transparent;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

.messenger:hover {
  color: var(--white);
  border-color: var(--ink);
  background: var(--ink);
}

.messenger .icon { width: 19px; height: 19px; }

.btn {
  position: relative;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  overflow: hidden;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), background-color .2s ease, color .2s ease, border-color .2s ease;
}

.btn::after {
  position: absolute;
  top: -80%;
  left: -35%;
  width: 24%;
  height: 260%;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  transform: rotate(18deg) translateX(-320%);
  animation: button-shine 6.4s 1.2s ease-in-out infinite;
  pointer-events: none;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  color: var(--white);
  background: #263a31;
}

.btn--primary:hover { background: #17261f; }

.btn--light {
  color: var(--ink);
  background: var(--white);
}

.btn--outline {
  color: inherit;
  border-color: currentColor;
  background: transparent;
}

.btn .icon { width: 18px; height: 18px; }

@keyframes button-shine {
  0%, 74% { transform: rotate(18deg) translateX(-320%); }
  88%, 100% { transform: rotate(18deg) translateX(660%); }
}

.menu-toggle {
  width: 48px;
  height: 48px;
  display: none;
  place-items: center;
  padding: 0;
  color: var(--ink);
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.menu-toggle .icon { width: 22px; height: 22px; }

.hero {
  position: relative;
  min-height: min(820px, calc(100svh - 120px));
  display: grid;
  align-items: center;
  color: var(--white);
  background-color: #3c3831;
  background-image: url("assets/images/hero-desktop.webp");
  background-position: center;
  background-size: cover;
  isolation: isolate;
}

.hero__mobile-media { display: none; }

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(320px, 1.14fr);
  align-items: center;
}

.hero__content {
  max-width: 680px;
  padding-block: clamp(90px, 12vh, 150px);
}

.hero h1 {
  max-width: 770px;
  font-size: clamp(54px, 6.2vw, 98px);
}

.hero__text {
  max-width: 610px;
  margin-bottom: 34px;
  color: #e6e5df;
  font-size: clamp(18px, 1.45vw, 23px);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__caption {
  position: absolute;
  right: var(--gutter);
  bottom: 24px;
  padding: 7px 10px;
  color: rgba(255,255,255,.86);
  border: 1px solid rgba(255,255,255,.34);
  background: rgba(24,32,28,.35);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.proof-strip {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.proof-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-item {
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 24px clamp(18px, 2vw, 34px);
  border-left: 1px solid var(--line);
}

.proof-item:last-child { border-right: 1px solid var(--line); }

.proof-item strong {
  font-size: 18px;
  line-height: 1.25;
}

.proof-item span { color: var(--mineral); font-size: 13px; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .55fr);
  align-items: end;
  gap: 48px;
  margin-bottom: clamp(48px, 6vw, 88px);
}

.section-head h2 { margin-bottom: 0; }

.section-head .lede { margin-bottom: 3px; }

.route-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr .88fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.route-card {
  min-height: 420px;
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 3vw, 48px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.22);
  text-decoration: none;
  transition: color .32s ease, background-color .32s ease;
}

.route-card:hover {
  color: var(--white);
  background: var(--ink);
}

.route-card__number {
  margin-bottom: auto;
  color: var(--mineral);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.route-card:hover .route-card__number,
.route-card:hover p { color: #bdc7c0; }

.route-card h3 { max-width: 390px; }

.route-card p {
  max-width: 430px;
  margin-bottom: 28px;
  color: var(--mineral);
  transition: color .32s ease;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: max-content;
  font-size: 14px;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.text-link .icon { width: 17px; height: 17px; }

.engineering-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, .72fr);
  align-items: stretch;
}

.engineering-media {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  background: #7b827c;
}

.engineering-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-label {
  position: absolute;
  top: 22px;
  left: 22px;
  padding: 8px 10px;
  color: var(--ink);
  background: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.engineering-copy {
  padding: clamp(44px, 5vw, 82px);
  background: var(--white);
}

.layer-list {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: layers;
}

.layer-list li {
  position: relative;
  padding: 20px 0 20px 54px;
  border-top: 1px solid var(--line);
  counter-increment: layers;
}

.layer-list li::before {
  position: absolute;
  top: 21px;
  left: 0;
  content: counter(layers, decimal-leading-zero);
  color: var(--bronze);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.project-card {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  padding: clamp(28px, 3vw, 44px);
  background: var(--paper);
}

.project-card__top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: auto;
}

.project-card__status {
  color: var(--bronze);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.project-card h3 { max-width: 420px; }

.project-card p { color: var(--mineral); }

.project-card ul {
  margin: 20px 0 0;
  padding: 0;
  color: var(--ink-soft);
  list-style: none;
}

.project-card li {
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.visual-split {
  display: grid;
  grid-template-columns: minmax(340px, .7fr) minmax(0, 1.3fr);
  align-items: stretch;
}

.visual-split__copy {
  padding: clamp(44px, 6vw, 92px);
  color: var(--white);
  background: var(--ink-soft);
}

.visual-split__media {
  position: relative;
  min-height: 620px;
}

.visual-split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.price-card {
  min-height: 490px;
  display: flex;
  flex-direction: column;
  padding: clamp(30px, 3vw, 48px);
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.price-card__size {
  margin-bottom: 50px;
  color: #aeb9b2;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.price-card__price {
  margin-bottom: 12px;
  font-size: clamp(34px, 3vw, 52px);
  font-weight: 500;
  letter-spacing: -.05em;
  line-height: 1;
}

.price-card p { color: #bdc7c0; }

.price-card ul {
  margin: 24px 0 36px;
  padding: 0;
  list-style: none;
}

.price-card li {
  padding: 10px 0;
  border-top: 1px solid var(--line-light);
  color: #e5e8e5;
  font-size: 14px;
}

.price-card .text-link { margin-top: auto; }

.process-list { border-top: 1px solid var(--line); }

.process-step {
  display: grid;
  grid-template-columns: 86px minmax(240px, .55fr) minmax(300px, 1fr);
  align-items: start;
  gap: 34px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.process-step__num {
  color: var(--bronze);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}

.process-step h3 { margin: 0; font-size: 25px; }

.process-step p { max-width: 670px; margin: 0; color: var(--mineral); }

.contact-cta {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .55fr);
  gap: clamp(48px, 8vw, 130px);
  align-items: end;
}

.contact-cta h2 { max-width: 950px; }

.contact-cta__aside {
  padding-top: 30px;
  border-top: 1px solid var(--line-light);
}

.contact-cta__phone {
  display: block;
  margin-bottom: 18px;
  font-size: clamp(28px, 3vw, 46px);
  font-weight: 500;
  letter-spacing: -.04em;
  line-height: 1.1;
  text-decoration: none;
}

.contact-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.page-hero {
  min-height: 600px;
  display: grid;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  background: var(--limestone);
}

.page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(420px, 1.12fr);
  align-items: stretch;
}

.page-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(70px, 8vw, 122px) clamp(34px, 6vw, 92px) clamp(70px, 8vw, 122px) 0;
}

.page-hero h1 { font-size: clamp(50px, 6vw, 92px); }

.page-hero__media {
  position: relative;
  min-height: 600px;
  overflow: hidden;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.fact-card {
  min-height: 260px;
  padding: clamp(28px, 4vw, 52px);
  background: var(--paper);
}

.fact-card .icon {
  width: 26px;
  height: 26px;
  margin-bottom: 54px;
  color: var(--bronze);
}

.fact-card p { max-width: 540px; color: var(--mineral); }

.content-grid {
  display: grid;
  grid-template-columns: minmax(240px, .38fr) minmax(0, 1fr);
  gap: clamp(52px, 9vw, 150px);
}

.content-nav {
  position: sticky;
  top: 128px;
  align-self: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.content-nav li { border-top: 1px solid var(--line); }

.content-nav a {
  display: block;
  padding: 15px 0;
  color: var(--mineral);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.article-section {
  padding: 0 0 clamp(64px, 8vw, 112px);
  scroll-margin-top: 130px;
}

.article-section + .article-section { padding-top: clamp(64px, 8vw, 112px); border-top: 1px solid var(--line); }

.article-section h2 { font-size: clamp(36px, 4.5vw, 64px); }

.article-section p, .article-section li { max-width: 780px; color: var(--ink-soft); font-size: 18px; }

.check-list { margin: 32px 0 0; padding: 0; list-style: none; }

.check-list li {
  position: relative;
  padding: 16px 0 16px 38px;
  border-top: 1px solid var(--line);
}

.check-list li::before {
  position: absolute;
  top: 20px;
  left: 0;
  width: 18px;
  height: 18px;
  content: "";
  background: var(--bronze);
  -webkit-mask: url("assets/icons/check.svg") center / contain no-repeat;
  mask: url("assets/icons/check.svg") center / contain no-repeat;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.contact-panel {
  min-height: 520px;
  padding: clamp(36px, 5vw, 76px);
  background: var(--paper);
}

.contact-panel--dark {
  color: var(--white);
  background: var(--ink);
}

.contact-row {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid currentColor;
  border-color: var(--line);
}

.contact-panel--dark .contact-row { border-color: var(--line-light); }

.contact-row .icon { margin-top: 4px; color: var(--bronze); }

.contact-row strong { display: block; margin-bottom: 4px; }

.contact-row a { text-decoration-thickness: 1px; text-underline-offset: 4px; }

.notice {
  padding: 22px 24px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.28);
  font-size: 14px;
}

.site-footer {
  color: #dfe3df;
  background: #111713;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) repeat(3, minmax(160px, .55fr));
  gap: clamp(32px, 5vw, 82px);
  padding-block: clamp(68px, 8vw, 110px);
}

.footer-brand { max-width: 430px; }

.footer-brand .brand { color: var(--white); }

.footer-brand .brand__mark { border-color: var(--white); }
.footer-brand .brand__mark::before, .footer-brand .brand__mark::after { background: var(--white); }

.footer-brand p { margin-top: 28px; color: #9eaaa3; }

.footer-col h3 {
  margin-bottom: 22px;
  color: #9eaaa3;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.footer-col a, .footer-col span {
  display: block;
  margin: 11px 0;
  font-size: 14px;
  text-decoration: none;
}

.footer-col a:hover { text-decoration: underline; text-underline-offset: 4px; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 24px;
  color: #89968e;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 11px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1260px) {
  .nav { grid-template-columns: 1fr auto auto; }
  .nav__links {
    position: fixed;
    z-index: 120;
    top: 120px;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 26px var(--gutter) 60px;
    color: var(--white);
    background: var(--ink);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity .24s ease, transform .24s var(--ease), visibility .24s;
  }
  .nav__links.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
  .nav__links a { padding: 20px 0; border-bottom: 1px solid var(--line-light); font-size: 24px; }
  .header-contact { margin-left: 0; }
  .nav > .btn { display: none; }
  .menu-toggle { display: grid; }
}

@media (max-width: 980px) {
  .section-head,
  .contact-cta { grid-template-columns: 1fr; align-items: start; }
  .route-grid { grid-template-columns: 1fr; }
  .route-card { min-height: 330px; }
  .engineering-grid,
  .visual-split,
  .page-hero__grid,
  .contact-grid { grid-template-columns: 1fr; }
  .engineering-media, .visual-split__media, .page-hero__media { min-height: 520px; }
  .price-grid, .project-grid { grid-template-columns: 1fr; }
  .price-card, .project-card { min-height: auto; }
  .price-card__size { margin-bottom: 34px; }
  .process-step { grid-template-columns: 56px minmax(220px, .6fr) 1fr; gap: 22px; }
  .page-hero__copy { padding-right: 0; }
  .page-hero__media { margin-inline: calc(var(--gutter) * -1); }
  .content-grid { grid-template-columns: 1fr; }
  .content-nav { position: static; display: flex; gap: 18px; overflow-x: auto; padding-bottom: 10px; }
  .content-nav li { min-width: max-content; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  :root { --section: 78px; }
  .topbar__inner { min-height: 38px; gap: 10px; overflow: hidden; }
  .topbar__item { font-size: 9px; }
  .topbar__item:first-child { overflow: hidden; text-overflow: ellipsis; }
  .site-header { top: 0; }
  .nav { min-height: 72px; grid-template-columns: 1fr auto auto; gap: 8px; }
  .brand__mark { width: 30px; height: 30px; }
  .brand__name { font-size: 17px; }
  .brand__descriptor { display: none; }
  .header-contact { gap: 6px; }
  .header-phone { font-size: 12px; }
  .header-phone span { display: none; }
  .messenger { width: 42px; height: 42px; flex-basis: 42px; }
  .menu-toggle { width: 42px; height: 42px; }
  .nav__links { top: 110px; }
  .hero {
    min-height: 0;
    display: flex;
    flex-direction: column;
    color: var(--white);
    background: var(--ink);
  }
  .hero__mobile-media {
    width: 100%;
    height: min(69svh, 700px);
    display: block;
    order: 0;
    overflow: hidden;
    background: #8a806e;
  }
  .hero__mobile-media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; }
  .hero__inner { order: 1; grid-template-columns: 1fr; }
  .hero__content { padding: 52px 0 72px; }
  .hero h1 { font-size: clamp(43px, 13vw, 66px); }
  .hero__text { font-size: 18px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__caption { top: calc(min(69svh, 700px) - 37px); right: 14px; bottom: auto; font-size: 8px; }
  .proof-strip__grid { grid-template-columns: 1fr 1fr; }
  .proof-item { min-height: 104px; border-bottom: 1px solid var(--line); }
  .proof-item:nth-child(odd) { border-left: 1px solid var(--line); }
  .section-head { gap: 24px; margin-bottom: 44px; }
  .route-card { min-height: 300px; }
  .engineering-media, .visual-split__media, .page-hero__media { min-height: 420px; }
  .engineering-copy, .visual-split__copy { padding: 40px 24px; }
  .project-card { min-height: 390px; }
  .process-step { grid-template-columns: 44px 1fr; }
  .process-step p { grid-column: 2; }
  .page-hero { min-height: 0; }
  .page-hero__copy { padding-block: 68px; }
  .page-hero h1 { font-size: clamp(44px, 13vw, 66px); }
  .fact-grid { grid-template-columns: 1fr; }
  .fact-card .icon { margin-bottom: 36px; }
  .article-section p, .article-section li { font-size: 16px; }
  .contact-panel { min-height: 0; padding: 38px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 420px) {
  .topbar__item:first-child { max-width: 54%; }
  .header-phone { font-size: 11px; }
  .proof-strip__grid { grid-template-columns: 1fr; }
  .proof-item { border-right: 1px solid var(--line); }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}