:root {
  --ink: #111827;
  --muted: #526070;
  --line: #d8dee8;
  --paper: #f6f8fb;
  --white: #ffffff;
  --steel: #1f3b57;
  --navy: #0d1723;
  --teal: #0f766e;
  --amber: #c88a24;
  --amber-soft: #fff4df;
  --shadow: 0 18px 50px rgba(17, 24, 39, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  min-width: 320px;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: rgba(10, 18, 30, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 0 1 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.06));
  font-weight: 900;
}

.brand strong,
.brand small,
.values strong,
.values span,
.contact-box span,
.contact-box strong,
.footer strong,
.footer span {
  display: block;
}

.brand strong {
  white-space: nowrap;
}

.brand small {
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  content: "";
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.nav a:hover,
.header-call:hover {
  color: var(--white);
}

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

.header-call {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 34px;
  padding: 7px 9px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 900;
}

.lang-switch a + a {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--navy);
  background: var(--amber);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
  color: var(--white);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 94svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 390px);
  align-items: end;
  gap: clamp(26px, 5vw, 72px);
  padding: 142px clamp(18px, 5vw, 72px) 46px;
  color: var(--white);
  background: url("assets/elevator-hero.png") center / cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 13, 24, 0.92), rgba(13, 23, 35, 0.64) 48%, rgba(13, 23, 35, 0.18)),
    linear-gradient(0deg, rgba(6, 13, 24, 0.64), rgba(6, 13, 24, 0.08));
}

.hero-content,
.hero-card {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  padding-bottom: 30px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
li,
strong,
span {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(29px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 14px 0 10px;
  font-size: 21px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 20px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid transparent;
  font-weight: 900;
}

.btn.primary {
  background: var(--amber);
  color: #101820;
}

.btn.primary.dark {
  background: var(--steel);
  color: var(--white);
}

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.48);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn.outline {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-row span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 800;
}

.hero-card {
  align-self: end;
  padding: 26px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.hero-card .card-label {
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.1;
}

.hero-card p {
  margin: 12px 0 20px;
  color: var(--muted);
}

.hero-card a,
.text-link {
  color: var(--teal);
  font-weight: 900;
}

.section {
  padding: clamp(62px, 8vw, 108px) clamp(18px, 5vw, 72px);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--line);
}

.stat {
  position: relative;
  padding: 34px clamp(18px, 4vw, 44px);
  background: var(--white);
}

.stat::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 4px;
  content: "";
  background: var(--amber);
}

.stat strong {
  display: block;
  color: var(--teal);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(230px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(28px, 5vw, 72px);
  background: var(--paper);
}

.section-intro {
  max-width: 460px;
}

.section-intro.wide {
  max-width: 780px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 294px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(17, 24, 39, 0.05);
}

.card:hover {
  border-color: rgba(15, 118, 110, 0.38);
  box-shadow: 0 16px 40px rgba(17, 24, 39, 0.1);
}

.card p,
.about p,
.band p,
.contact p,
.process p {
  color: var(--muted);
}

.card ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.card li {
  position: relative;
  padding-left: 22px;
  color: var(--steel);
  font-weight: 800;
}

.card li::before {
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 9px;
  height: 9px;
  content: "";
  background: var(--amber);
}

.icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--white);
  background: var(--steel);
  font-size: 24px;
  font-weight: 900;
}

.band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 450px);
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
  background:
    linear-gradient(135deg, rgba(31, 59, 87, 0.98), rgba(13, 23, 35, 0.98)),
    var(--steel);
  color: var(--white);
}

.band p {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.project-list {
  display: grid;
  gap: 10px;
}

.project-list div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.project-list strong,
.project-list span {
  display: block;
}

.project-list span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.process {
  background: var(--white);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.process-grid article {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--white), #f9fbfd);
}

.process-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  color: var(--teal);
  background: #e5f4f2;
  font-weight: 900;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 450px);
  gap: clamp(26px, 5vw, 70px);
  background: var(--paper);
}

.about-copy {
  max-width: 780px;
}

.text-link {
  display: inline-flex;
  margin-top: 10px;
}

.values {
  display: grid;
  gap: 1px;
  align-self: start;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
}

.values div {
  padding: 24px;
  background: var(--white);
}

.values strong {
  color: var(--steel);
}

.values span {
  margin-top: 6px;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
  gap: clamp(26px, 5vw, 70px);
  align-items: start;
  background: linear-gradient(180deg, var(--white), var(--paper));
}

.contact-box {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-box a,
.contact-box div {
  display: block;
  padding: 24px;
  background: var(--white);
}

.contact-box a:hover {
  background: #f1f7f7;
}

.contact-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.contact-box strong {
  margin-top: 5px;
  font-size: 19px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.76);
  background: var(--navy);
}

.footer strong,
.footer a {
  color: var(--white);
  font-weight: 900;
}

.footer span {
  margin-top: 4px;
}

@media (max-width: 1080px) {
  .header-call {
    display: none;
  }

  .nav {
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }

  .header-right {
    gap: 10px;
    margin-left: auto;
  }

  .nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 18px 18px;
    background: rgba(17, 24, 39, 0.96);
  }

  .nav.is-open {
    display: flex;
  }

  .lang-switch {
    order: -1;
  }

  .nav a {
    padding: 14px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .nav a::after {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    background-position: 58% center;
  }

  .hero-card {
    max-width: 520px;
  }

  .stats,
  .split,
  .band,
  .process-grid,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 540px) {
  .site-header {
    min-height: 68px;
    gap: 10px;
    padding-inline: 12px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .brand small {
    display: none;
  }

  .brand {
    gap: 9px;
  }

  .brand strong {
    max-width: 108px;
    overflow: hidden;
    font-size: 15px;
    text-overflow: ellipsis;
  }

  .lang-switch a {
    min-width: 32px;
    min-height: 32px;
    padding: 6px 7px;
    font-size: 11px;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
    padding: 8px;
  }

  .nav {
    top: 68px;
    padding-inline: 16px;
  }

  .hero {
    padding: 104px 16px 26px;
  }

  h1 {
    font-size: clamp(32px, 10vw, 38px);
    line-height: 1.06;
  }

  h2 {
    font-size: clamp(26px, 8vw, 30px);
  }

  h3 {
    font-size: 20px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions,
  .contact-actions {
    margin-top: 22px;
  }

  .btn {
    min-height: 48px;
    padding: 11px 16px;
  }

  .hero-actions .btn,
  .contact-actions .btn {
    width: 100%;
  }

  .trust-row span {
    width: 100%;
  }

  .section {
    padding-inline: 16px;
    padding-block: 54px;
  }

  .card,
  .process-grid article,
  .hero-card {
    padding: 22px;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 360px) {
  .site-header {
    padding-inline: 10px;
  }

  .brand {
    gap: 7px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
    font-size: 13px;
  }

  .brand strong {
    max-width: 88px;
    font-size: 14px;
  }

  .header-right {
    gap: 6px;
  }

  .lang-switch a {
    min-width: 28px;
    min-height: 30px;
    padding: 5px 6px;
    font-size: 10px;
  }

  .menu-toggle {
    width: 34px;
    height: 34px;
    padding: 7px;
  }

  .menu-toggle span {
    margin: 4px 0;
  }

  .hero {
    padding-inline: 14px;
  }

  .section {
    padding-inline: 14px;
  }

  .card,
  .process-grid article,
  .hero-card,
  .values div,
  .contact-box a,
  .contact-box div {
    padding: 18px;
  }
}
