:root {
  --ink: #17191f;
  --muted: #5f6673;
  --line: #e3e7ed;
  --paper: #f7f8fa;
  --white: #ffffff;
  --red: #d71f2a;
  --red-dark: #a91520;
  --yellow: #f2c230;
  --green: #20bf55;
  --shadow: 0 22px 60px rgba(12, 18, 28, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 14px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(23, 25, 31, 0.92);
  color: var(--white);
  backdrop-filter: blur(14px);
}

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

.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.28));
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.94rem;
  font-weight: 600;
}

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

.header-call,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 800;
  line-height: 1;
}

.header-call {
  background: var(--green);
  color: var(--white);
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  overflow: hidden;
  color: var(--white);
}

.hero picture,
.hero img,
.hero-overlay {
  position: absolute;
  inset: 0;
  height: 100%;
}

.hero img {
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(9, 11, 15, 0.9) 0%, rgba(9, 11, 15, 0.58) 44%, rgba(9, 11, 15, 0.15) 100%),
    linear-gradient(0deg, rgba(9, 11, 15, 0.45), rgba(9, 11, 15, 0.05));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(780px, 100%);
  padding: clamp(96px, 14vw, 172px) clamp(20px, 6vw, 78px) 92px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yellow);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.1rem, 8vw, 6.9rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.hero-text {
  max-width: 680px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.08rem, 2.2vw, 1.45rem);
  line-height: 1.55;
}

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

.btn-primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 12px 34px rgba(32, 191, 85, 0.26);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

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

.quick-contact div {
  padding: 24px clamp(20px, 5vw, 72px);
  background: var(--white);
}

.quick-contact span,
.site-footer span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.quick-contact strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.section,
.region-band,
.contact-section {
  padding: clamp(64px, 9vw, 112px) clamp(20px, 6vw, 78px);
}

.section-split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
}

.section-copy {
  max-width: 640px;
}

.section-copy p:not(.eyebrow),
.contact-section p {
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article {
  min-height: 218px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.service-grid p {
  color: var(--muted);
  line-height: 1.6;
}

.icon {
  display: inline-grid;
  place-items: center;
  min-width: 46px;
  height: 38px;
  margin-bottom: 20px;
  padding: 0 10px;
  border-radius: 6px;
  background: var(--red);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 800;
}

.region-band {
  background: var(--ink);
  color: var(--white);
}

.region-band .section-copy {
  max-width: 900px;
}

.region-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.region-list li {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 700;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.gallery {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: repeat(2, minmax(220px, 280px));
  gap: 14px;
}

.gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--paper);
}

.gallery figure:first-child {
  grid-row: 1 / span 2;
}

.gallery img {
  height: 100%;
  object-fit: cover;
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--red-dark);
  color: var(--white);
}

.contact-section div {
  max-width: 730px;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 6vw, 78px);
  background: #101217;
  color: var(--white);
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  box-shadow: var(--shadow);
}

.whatsapp-float svg {
  width: 36px;
  height: 36px;
  fill: currentColor;
}

@media (max-width: 920px) {
  .site-header {
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    overflow-x: auto;
  }

  .section-split,
  .contact-section {
    grid-template-columns: 1fr;
    display: grid;
  }

  .region-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    position: relative;
    min-height: auto;
  }

  .brand-logo {
    width: 54px;
    height: 54px;
  }

  .header-call {
    width: 100%;
  }

  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background: linear-gradient(0deg, rgba(9, 11, 15, 0.88), rgba(9, 11, 15, 0.35));
  }

  .quick-contact,
  .service-grid,
  .region-list,
  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery {
    grid-template-rows: none;
  }

  .gallery figure,
  .gallery figure:first-child {
    grid-row: auto;
    min-height: 260px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 94px;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
  }
}