:root {
  --navy-950: #041219;
  --navy-900: #071821;
  --navy-800: #0b2530;
  --emerald: #12a66a;
  --lime: #a7e35a;
  --white: #f5f8f6;
  --mist: #aab8b7;
  --line: rgba(255, 255, 255, 0.16);
  --ink: #102227;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--navy-950);
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.site-header {
  align-items: center;
  background: rgba(4, 18, 25, 0.92);
  border-bottom: 1px solid var(--line);
  color: var(--white);
  display: flex;
  height: 90px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(24px, 6vw, 88px);
  position: absolute;
  right: 0;
  top: 0;
  z-index: 30;
}

.brand {
  align-items: center;
  display: inline-flex;
}

.brand-logo {
  display: block;
  height: auto;
  width: clamp(210px, 18vw, 268px);
}

.desktop-nav {
  align-items: center;
  display: flex;
  gap: clamp(26px, 3vw, 48px);
}

.desktop-nav a {
  color: rgba(245, 248, 246, 0.82);
  font-size: 14px;
  position: relative;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  background: var(--lime);
  bottom: -15px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  width: 100%;
}

.desktop-nav a:hover {
  color: var(--white);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.mobile-menu {
  display: none;
  position: relative;
}

.mobile-menu summary {
  cursor: pointer;
  list-style: none;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary span {
  background: var(--white);
  display: block;
  height: 2px;
  margin: 5px 0;
  width: 25px;
}

.hero {
  background: var(--navy-950);
  color: var(--white);
  min-height: 900px;
  overflow: hidden;
  padding-top: 90px;
  position: relative;
}

.hero-backdrop {
  background:
    linear-gradient(
      90deg,
      rgba(4, 18, 25, 0.98) 0%,
      rgba(4, 18, 25, 0.92) 28%,
      rgba(4, 18, 25, 0.64) 48%,
      rgba(4, 18, 25, 0.14) 75%,
      rgba(4, 18, 25, 0.3) 100%
    ),
    radial-gradient(circle at 78% 46%, rgba(18, 166, 106, 0.22), transparent 35%),
    url("hero-infrastructure.webp") center / cover no-repeat;
  inset: 90px 0 0;
  position: absolute;
}

.technical-grid {
  background-image:
    linear-gradient(rgba(167, 227, 90, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 227, 90, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  inset: 90px 0 0;
  mask-image: linear-gradient(90deg, black, transparent 68%);
  opacity: 0.45;
  position: absolute;
}

.hero-content {
  margin: 0 auto;
  max-width: 1440px;
  padding: clamp(105px, 13vh, 145px) clamp(24px, 6vw, 88px) 210px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  align-items: center;
  color: var(--mist);
  display: flex;
  font-size: 11px;
  font-weight: 650;
  gap: 11px;
  letter-spacing: 0.18em;
  margin: 0 0 28px;
  text-transform: uppercase;
}

.eyebrow span {
  background: var(--lime);
  height: 1px;
  width: 33px;
}

.hero h1 {
  font-size: clamp(48px, 5.1vw, 76px);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 1.02;
  margin: 0;
  max-width: 790px;
  text-wrap: balance;
}

.hero-copy {
  color: rgba(245, 248, 246, 0.76);
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.55;
  margin: 28px 0 0;
  max-width: 625px;
}

.hero-actions {
  align-items: center;
  display: flex;
  gap: 30px;
  margin-top: 38px;
}

.button {
  align-items: center;
  display: inline-flex;
  font-size: 15px;
  font-weight: 620;
  gap: 34px;
  justify-content: center;
  min-height: 57px;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button span {
  transition: transform 180ms ease;
}

.button:hover span {
  transform: translateX(4px);
}

.button-primary {
  background: var(--emerald);
  color: var(--navy-950);
  min-width: 212px;
  padding: 0 22px;
}

.button-primary:hover {
  background: var(--lime);
  transform: translateY(-2px);
}

.button-link {
  border-bottom: 1px solid var(--lime);
  color: var(--white);
  min-width: 190px;
}

.button-link:hover {
  color: var(--lime);
}

.capability-cue {
  align-items: center;
  color: rgba(245, 248, 246, 0.78);
  display: flex;
  flex-wrap: wrap;
  font-size: 11px;
  font-weight: 620;
  gap: 11px;
  letter-spacing: 0.17em;
  margin: 34px 0 0;
  text-transform: uppercase;
}

.capability-cue i {
  background: var(--lime);
  border-radius: 50%;
  height: 4px;
  width: 4px;
}

.hero-metrics {
  align-items: stretch;
  backdrop-filter: blur(18px);
  background: rgba(4, 18, 25, 0.78);
  border: 1px solid rgba(167, 227, 90, 0.3);
  bottom: 48px;
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  left: max(24px, calc((100% - 1440px) / 2 + 48px));
  max-width: 1344px;
  position: absolute;
  right: max(24px, calc((100% - 1440px) / 2 + 48px));
  z-index: 3;
}

.metrics-intro,
.metric {
  align-items: center;
  display: flex;
  min-height: 112px;
  padding: 22px 28px;
}

.metrics-intro {
  gap: 17px;
}

.metrics-intro p {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  margin: 0;
  max-width: 120px;
  text-transform: uppercase;
}

.pulse-ring {
  border: 1px solid var(--lime);
  border-radius: 50%;
  display: block;
  height: 43px;
  position: relative;
  width: 43px;
}

.pulse-ring::after {
  background: var(--emerald);
  border-radius: 50%;
  content: "";
  height: 9px;
  left: 16px;
  position: absolute;
  top: 16px;
  width: 9px;
}

.metric {
  border-left: 1px solid var(--line);
  flex-direction: column;
  justify-content: center;
}

.metric strong {
  color: var(--lime);
  font-size: clamp(25px, 2.4vw, 36px);
  font-weight: 520;
  letter-spacing: -0.04em;
  line-height: 1;
}

.metric span {
  color: var(--mist);
  font-size: 10px;
  letter-spacing: 0.1em;
  margin-top: 10px;
  text-align: center;
  text-transform: uppercase;
}

.intro-strip {
  align-items: stretch;
  background: #eef3ef;
  display: grid;
  gap: clamp(30px, 5vw, 74px);
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  padding: 64px clamp(24px, 6vw, 88px);
}

.intro-mandate {
  align-self: center;
  max-width: 880px;
}

.intro-mandate p {
  color: var(--emerald);
  font-size: 11px;
  font-weight: 680;
  letter-spacing: 0.15em;
  margin: 0 0 20px;
  text-transform: uppercase;
}

.intro-mandate strong {
  display: block;
  font-size: clamp(22px, 2.1vw, 32px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.intro-mandate span {
  color: #5c6a6d;
  display: block;
  font-size: 15px;
  line-height: 1.6;
  margin-top: 22px;
}

.intro-photo,
.section-photo,
.responsibility-visual,
.about-visual {
  margin: 0;
  overflow: hidden;
  position: relative;
}

.intro-photo {
  min-height: 260px;
}

.intro-photo img,
.section-photo img,
.responsibility-visual img,
.about-visual img {
  display: block;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
  width: 100%;
}

.intro-photo:hover img,
.section-photo:hover img,
.responsibility-visual:hover img,
.about-visual:hover img {
  transform: scale(1.025);
}

.intro-photo figcaption,
.section-photo figcaption {
  backdrop-filter: blur(12px);
  background: rgba(4, 18, 25, 0.84);
  bottom: 18px;
  color: var(--white);
  font-size: 11px;
  left: 18px;
  letter-spacing: 0.08em;
  line-height: 1.45;
  max-width: calc(100% - 36px);
  padding: 12px 15px;
  position: absolute;
  text-transform: uppercase;
}

.section {
  padding: clamp(88px, 10vw, 150px) clamp(24px, 6vw, 88px);
}

.section-light {
  background: var(--white);
}

.section-heading {
  align-items: end;
  display: grid;
  gap: 80px;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  margin: 0 auto 64px;
  max-width: 1440px;
}

.section-label {
  color: var(--emerald);
  font-size: 11px;
  font-weight: 680;
  letter-spacing: 0.17em;
  margin: 0 0 22px;
  text-transform: uppercase;
}

.section-heading h2,
.flagship h2,
.responsibility h2,
.about h2,
.contact h2 {
  font-size: clamp(40px, 4.2vw, 66px);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}

.section-heading > p {
  color: #5c6a6d;
  font-size: 17px;
  line-height: 1.65;
  margin: 0 0 7px;
}

.section-photo {
  height: clamp(340px, 42vw, 580px);
  margin: 0 auto 56px;
  max-width: 1440px;
}

.section-photo::after,
.about-visual::after,
.responsibility-visual::after {
  border: 1px solid rgba(167, 227, 90, 0.58);
  content: "";
  inset: 20px;
  pointer-events: none;
  position: absolute;
}

.solution-grid {
  border-left: 1px solid #d8e2dd;
  border-top: 1px solid #d8e2dd;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1440px;
}

.solution-card {
  border-bottom: 1px solid #d8e2dd;
  border-right: 1px solid #d8e2dd;
  min-height: 390px;
  overflow: hidden;
  padding: 32px;
  position: relative;
  transition:
    background 220ms ease,
    color 220ms ease,
    transform 220ms ease;
}

.solution-card::after {
  background:
    linear-gradient(135deg, transparent 55%, rgba(167, 227, 90, 0.08) 55%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 17px,
      rgba(167, 227, 90, 0.06) 18px
    );
  content: "";
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 220ms ease;
}

.solution-card:hover {
  background: var(--navy-900);
  color: var(--white);
  transform: translateY(-4px);
}

.solution-card:hover::after {
  opacity: 1;
}

.card-topline {
  align-items: center;
  color: #738185;
  display: flex;
  font-size: 12px;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.card-topline i {
  border: 1px solid #bfcac5;
  border-radius: 50%;
  display: grid;
  font-size: 15px;
  font-style: normal;
  height: 40px;
  place-items: center;
  width: 40px;
}

.solution-card:hover .card-topline,
.solution-card:hover .solution-card p {
  color: var(--mist);
}

.solution-card:hover .card-topline i {
  border-color: var(--lime);
  color: var(--lime);
}

.solution-card h3 {
  font-size: clamp(23px, 2.2vw, 31px);
  font-weight: 570;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin: 86px 0 17px;
  max-width: 340px;
  position: relative;
  z-index: 1;
}

.solution-card p {
  color: #647276;
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
  max-width: 360px;
  position: relative;
  transition: color 220ms ease;
  z-index: 1;
}

.solution-card small {
  bottom: 30px;
  color: var(--emerald);
  font-size: 10px;
  font-weight: 680;
  left: 32px;
  letter-spacing: 0.13em;
  position: absolute;
  text-transform: uppercase;
  z-index: 1;
}

.solution-card:hover small {
  color: var(--lime);
}

.ev-feature {
  background: var(--navy-900);
  color: var(--white);
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  min-height: 780px;
}

.ev-visual {
  min-height: 640px;
  overflow: hidden;
  position: relative;
}

.ev-visual::after {
  background: linear-gradient(90deg, transparent 62%, rgba(7, 24, 33, 0.9));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.ev-visual img {
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.ev-badge {
  backdrop-filter: blur(16px);
  background: rgba(4, 18, 25, 0.88);
  border-left: 3px solid var(--lime);
  bottom: 52px;
  display: grid;
  gap: 8px;
  left: 52px;
  padding: 22px 26px;
  position: absolute;
  z-index: 1;
}

.ev-badge span {
  color: var(--lime);
  font-size: 9px;
  font-weight: 680;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.ev-badge strong {
  font-size: 20px;
  font-weight: 560;
}

.ev-copy {
  align-self: center;
  padding: 90px clamp(36px, 6vw, 94px);
}

.ev-copy h2 {
  font-size: clamp(42px, 4vw, 62px);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}

.ev-modes {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
  margin: 0 0 36px;
}

.ev-modes span {
  border: 1px solid rgba(167, 227, 90, 0.36);
  color: var(--lime);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
  padding: 13px 14px;
  text-transform: uppercase;
}

.flagship {
  background: var(--navy-950);
  color: var(--white);
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  min-height: 850px;
}

.flagship-visual {
  background:
    linear-gradient(180deg, transparent 56%, rgba(4, 18, 25, 0.78) 100%),
    url("flagship-mother-station.webp") center / cover no-repeat;
  min-height: 700px;
  position: relative;
}

.flagship-visual::before {
  border: 1px solid rgba(167, 227, 90, 0.48);
  content: "";
  inset: 45px;
  pointer-events: none;
  position: absolute;
}

.location-card {
  backdrop-filter: blur(16px);
  background: rgba(4, 18, 25, 0.85);
  border-left: 3px solid var(--lime);
  bottom: 76px;
  left: 76px;
  max-width: 360px;
  padding: 28px 30px;
  position: absolute;
}

.location-card span {
  color: var(--lime);
  display: block;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.location-card strong {
  font-size: 21px;
  font-weight: 550;
}

.location-card p {
  color: var(--mist);
  font-size: 13px;
  line-height: 1.5;
  margin: 8px 0 0;
}

.flagship-copy {
  align-self: center;
  padding: 90px clamp(36px, 6vw, 100px);
}

.flagship-copy h2 {
  font-size: clamp(42px, 4.1vw, 63px);
}

.lead {
  color: rgba(245, 248, 246, 0.72);
  font-size: 17px;
  line-height: 1.68;
  margin: 28px 0 35px;
  max-width: 650px;
}

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

.project-facts div {
  padding: 25px 20px 25px 0;
}

.project-facts div + div {
  border-left: 1px solid var(--line);
  padding-left: 20px;
}

.project-facts span {
  color: var(--mist);
  display: block;
  font-size: 9px;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.project-facts strong {
  color: var(--lime);
  font-size: clamp(16px, 1.4vw, 22px);
  font-weight: 540;
}

.project-scope {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
  list-style: none;
  margin: 32px 0;
  padding: 0;
}

.project-scope li {
  color: rgba(245, 248, 246, 0.72);
  font-size: 13px;
  line-height: 1.45;
  padding-left: 19px;
  position: relative;
}

.project-scope li::before {
  background: var(--emerald);
  content: "";
  height: 7px;
  left: 0;
  position: absolute;
  top: 6px;
  transform: rotate(45deg);
  width: 7px;
}

.text-action {
  align-items: center;
  border-bottom: 1px solid var(--lime);
  color: var(--white);
  display: inline-flex;
  font-size: 14px;
  font-weight: 620;
  gap: 28px;
  padding-bottom: 10px;
}

.text-action span {
  color: var(--lime);
  transition: transform 180ms ease;
}

.text-action:hover span {
  transform: translate(3px, -3px);
}

.approach {
  background: #eef3ef;
}

.process-grid {
  border-top: 1px solid #cfdad4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 auto;
  max-width: 1440px;
}

.process-grid article {
  min-height: 300px;
  padding: 32px 28px 24px 0;
  position: relative;
}

.process-grid article + article {
  border-left: 1px solid #cfdad4;
  padding-left: 28px;
}

.process-grid article::before {
  background: var(--emerald);
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  top: -2px;
  width: 56px;
}

.process-grid span {
  color: var(--emerald);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.process-grid h3 {
  font-size: 29px;
  font-weight: 580;
  letter-spacing: -0.04em;
  margin: 75px 0 16px;
}

.process-grid p {
  color: #637175;
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

.approach-photo {
  height: clamp(360px, 40vw, 560px);
}

.responsibility {
  align-items: stretch;
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.responsibility-copy {
  padding: clamp(90px, 10vw, 150px) clamp(36px, 7vw, 110px);
}

.responsibility-copy > p:last-child {
  color: #5d6b6e;
  font-size: 17px;
  line-height: 1.7;
  margin: 28px 0 0;
  max-width: 640px;
}

.responsibility-visual {
  height: 330px;
  margin-top: 40px;
}

.principle-grid {
  background: var(--navy-900);
  color: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.principle-grid article {
  align-content: end;
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  display: grid;
  min-height: 260px;
  padding: 36px;
  position: relative;
}

.principle-grid article::before {
  border: 1px solid rgba(167, 227, 90, 0.24);
  border-radius: 50%;
  content: "";
  height: 92px;
  position: absolute;
  right: 28px;
  top: 28px;
  width: 92px;
}

.principle-grid article::after {
  background: var(--lime);
  border-radius: 50%;
  content: "";
  height: 8px;
  position: absolute;
  right: 70px;
  top: 70px;
  width: 8px;
}

.principle-grid strong {
  color: var(--lime);
  font-size: 27px;
  font-weight: 520;
  letter-spacing: -0.03em;
}

.principle-grid span {
  color: var(--mist);
  font-size: 12px;
  line-height: 1.45;
  margin-top: 9px;
  max-width: 180px;
}

.about {
  background: var(--white);
  display: grid;
  gap: 90px;
  grid-template-columns: 1fr 1fr;
}

.about-statement,
.about-copy {
  max-width: 700px;
}

.about-visual {
  height: clamp(330px, 36vw, 480px);
  margin-top: 46px;
}

.about-copy > p {
  color: #4f5e61;
  font-size: 18px;
  line-height: 1.72;
  margin: 0 0 24px;
}

.value-row {
  border-top: 1px solid #d7e0dc;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
  margin-top: 42px;
  padding-top: 26px;
}

.value-row span {
  align-items: center;
  display: flex;
  font-size: 12px;
  font-weight: 650;
  gap: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.value-row span::before {
  background: var(--emerald);
  content: "";
  height: 6px;
  transform: rotate(45deg);
  width: 6px;
}

.contact {
  align-items: center;
  background:
    linear-gradient(
      90deg,
      rgba(4, 18, 25, 0.98) 0%,
      rgba(4, 18, 25, 0.9) 42%,
      rgba(4, 18, 25, 0.3) 72%,
      rgba(4, 18, 25, 0.55) 100%
    ),
    url("contact-partnership.webp") center / cover no-repeat;
  color: var(--white);
  display: grid;
  gap: 70px;
  grid-template-columns: 1.2fr 0.8fr;
  min-height: 570px;
  padding: clamp(75px, 8vw, 120px) clamp(24px, 6vw, 88px);
}

.contact .section-label {
  color: var(--lime);
}

.contact h2 {
  max-width: 880px;
}

.contact-actions {
  align-items: stretch;
  display: grid;
  gap: 22px;
  justify-items: start;
}

.contact .button-primary {
  background: var(--emerald);
  color: var(--navy-950);
  min-width: 290px;
}

.contact .button-primary:hover {
  background: var(--lime);
  color: var(--navy-950);
}

.contact-phone {
  display: grid;
  font-size: 20px;
  font-weight: 620;
  gap: 5px;
}

.contact-phone small {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

footer {
  background: var(--navy-950);
  color: var(--white);
  display: grid;
  gap: 50px;
  grid-template-columns: 2fr 0.7fr 0.7fr;
  padding: 80px clamp(24px, 6vw, 88px) 28px;
}

.footer-brand p {
  color: var(--mist);
  font-size: 13px;
  line-height: 1.6;
  margin: 26px 0 0;
  max-width: 430px;
}

.footer-links {
  display: grid;
  gap: 13px;
}

.footer-links p {
  color: var(--lime);
  font-size: 10px;
  font-weight: 680;
  letter-spacing: 0.14em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--mist);
  font-size: 13px;
  transition: color 180ms ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  color: #72858a;
  display: flex;
  font-size: 11px;
  grid-column: 1 / -1;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 26px;
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .mobile-menu nav {
    background: var(--navy-900);
    border: 1px solid var(--line);
    display: grid;
    gap: 4px;
    min-width: 230px;
    padding: 14px;
    position: absolute;
    right: 0;
    top: 44px;
  }

  .mobile-menu nav a {
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    padding: 13px 10px;
  }

  .hero {
    min-height: 980px;
  }

  .hero-content {
    padding-bottom: 350px;
  }

  .hero-metrics {
    bottom: 32px;
    grid-template-columns: 1fr 1fr;
  }

  .metrics-intro {
    grid-column: 1 / -1;
  }

  .metric:nth-last-child(1) {
    grid-column: 1 / -1;
  }

  .section-heading,
  .about,
  .contact {
    gap: 36px;
    grid-template-columns: 1fr;
  }

  .intro-strip,
  .ev-feature {
    grid-template-columns: 1fr;
  }

  .intro-photo {
    min-height: 360px;
  }

  .ev-visual {
    min-height: 600px;
  }

  .ev-visual::after {
    background: linear-gradient(180deg, transparent 65%, rgba(7, 24, 33, 0.9));
  }

  .solution-grid {
    grid-template-columns: 1fr 1fr;
  }

  .flagship {
    grid-template-columns: 1fr;
  }

  .flagship-visual {
    min-height: 600px;
  }

  .process-grid {
    grid-template-columns: 1fr 1fr;
  }

  .process-grid article {
    border-bottom: 1px solid #cfdad4;
  }

  .responsibility {
    grid-template-columns: 1fr;
  }

  footer {
    grid-template-columns: 1.6fr 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 76px;
  }

  .brand {
    max-width: 190px;
  }

  .brand-logo {
    width: 188px;
  }

  .hero {
    min-height: 1060px;
    padding-top: 76px;
  }

  .hero-backdrop,
  .technical-grid {
    inset: 76px 0 0;
  }

  .hero-content {
    padding-top: 82px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .metrics-intro,
  .metric,
  .metric:nth-last-child(1) {
    grid-column: auto;
    min-height: 82px;
  }

  .metric {
    align-items: center;
    border-left: 0;
    border-top: 1px solid var(--line);
    flex-direction: row;
    justify-content: space-between;
  }

  .metric span {
    margin-top: 0;
    max-width: 125px;
    text-align: right;
  }

  .intro-strip {
    gap: 24px;
    padding-bottom: 52px;
    padding-top: 52px;
  }

  .intro-photo {
    min-height: 260px;
  }

  .section-photo {
    height: 300px;
    margin-bottom: 38px;
  }

  .section-photo::after,
  .about-visual::after,
  .responsibility-visual::after {
    inset: 12px;
  }

  .ev-visual {
    min-height: 420px;
  }

  .ev-badge {
    bottom: 24px;
    left: 24px;
    right: 24px;
  }

  .ev-copy {
    padding: 74px 24px;
  }

  .ev-copy h2 {
    font-size: 40px;
  }

  .ev-modes {
    grid-template-columns: 1fr;
  }

  .section {
    padding-bottom: 82px;
    padding-top: 82px;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .section-heading h2,
  .flagship h2,
  .responsibility h2,
  .about h2,
  .contact h2 {
    font-size: 40px;
  }

  .solution-grid {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: 340px;
  }

  .flagship-visual {
    min-height: 480px;
  }

  .flagship-visual::before {
    inset: 20px;
  }

  .location-card {
    bottom: 36px;
    left: 36px;
    right: 36px;
  }

  .flagship-copy {
    padding: 74px 24px;
  }

  .project-facts {
    grid-template-columns: 1fr;
  }

  .project-facts div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }

  .project-scope {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid article + article {
    border-left: 0;
    padding-left: 0;
  }

  .process-grid article {
    min-height: 260px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }

  .principle-grid article {
    min-height: 215px;
  }

  .responsibility-copy {
    padding: 82px 24px;
  }

  .responsibility-visual {
    height: 280px;
  }

  .about-visual {
    height: 300px;
    margin-top: 34px;
  }

  .value-row {
    grid-template-columns: 1fr;
  }

  .contact .button-primary {
    min-width: 0;
    width: 100%;
  }

  .contact {
    background-position: 62% center;
    min-height: 690px;
  }

  footer {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: start;
    flex-direction: column;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-content > * {
    animation: rise-in 600ms both;
  }

  .hero-content > :nth-child(2) {
    animation-delay: 80ms;
  }

  .hero-content > :nth-child(3) {
    animation-delay: 150ms;
  }

  .hero-content > :nth-child(4) {
    animation-delay: 220ms;
  }

  .hero-content > :nth-child(5) {
    animation-delay: 290ms;
  }

  @keyframes rise-in {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}