:root {
  --asphalt: #171b1d;
  --charcoal: #24292c;
  --concrete: #eef0ed;
  --line: #d8ddd7;
  --paper: #ffffff;
  --yellow: #f4bd2a;
  --yellow-dark: #d69a00;
  --green: #346f4c;
  --muted: #5b6468;
  --shadow: 0 22px 60px rgba(20, 25, 25, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--asphalt);
  background: var(--paper);
}

a {
  color: inherit;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(18px, 4vw, 54px);
  color: #fff;
  background: rgba(18, 22, 23, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: var(--asphalt);
  background: var(--yellow);
  font-weight: 900;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
  font-size: 14px;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: #fff;
}

.header-call,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}

.header-call {
  padding: 0 18px;
  background: var(--yellow);
  color: var(--asphalt);
}

svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex: 0 0 auto;
}

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 128px clamp(20px, 6vw, 80px) 80px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(17, 21, 22, 0.90), rgba(17, 21, 22, 0.68) 46%, rgba(17, 21, 22, 0.18)),
    url("./assets/hero-driveway.jpg");
  background-size: cover;
  background-position: center;
}

.hero-content {
  width: min(760px, 100%);
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  padding: 0 22px;
  font-size: 16px;
}

.btn-primary,
.btn-submit {
  background: var(--yellow);
  color: var(--asphalt);
}

.btn-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 760px;
  padding: 0;
  margin: 44px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.22);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.section,
.process,
.quote-band,
.footer {
  padding: 72px clamp(20px, 6vw, 80px);
}

.section-tight {
  margin-top: -34px;
  position: relative;
  z-index: 2;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  line-height: 1.15;
}

.section-head p,
.split p,
.process p,
.quote-copy p,
.footer p {
  color: var(--muted);
  line-height: 1.55;
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  display: block;
  min-height: 250px;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 36px rgba(25, 30, 30, 0.08);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(52, 111, 76, 0.55);
  box-shadow: 0 18px 42px rgba(25, 30, 30, 0.12);
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 34px;
  border-radius: 6px;
  background: var(--asphalt);
  color: var(--yellow);
  font-weight: 900;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.service-card strong {
  display: inline-block;
  margin-top: 18px;
  color: var(--green);
}

.page-hero {
  padding: 142px clamp(20px, 6vw, 80px) 74px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(17, 21, 22, 0.94), rgba(17, 21, 22, 0.70) 58%, rgba(17, 21, 22, 0.30)),
    url("./assets/hero-driveway.jpg");
  background-size: cover;
  background-position: center;
}

.page-hero-inner {
  max-width: 820px;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 74px);
  line-height: 1;
  letter-spacing: 0;
}

.page-hero p {
  max-width: 690px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.detail-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  padding: 72px clamp(20px, 6vw, 80px);
}

.detail-panel {
  padding: 24px;
  border-radius: 8px;
  background: var(--concrete);
  border: 1px solid var(--line);
}

.detail-panel h2,
.detail-copy h2 {
  font-size: clamp(30px, 3.4vw, 48px);
}

.detail-panel ul,
.detail-copy ul {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 17px;
}

.detail-copy p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 18px;
}

.service-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.process {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 42px;
  align-items: center;
  background: var(--concrete);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.steps span {
  min-height: 120px;
  display: flex;
  align-items: end;
  padding: 18px;
  border-radius: 8px;
  background: var(--paper);
  border-top: 5px solid var(--yellow);
  font-weight: 800;
  line-height: 1.25;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 52px;
  align-items: start;
}

.text-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--green);
  font-weight: 900;
}

.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.area-list span {
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--concrete);
  border: 1px solid var(--line);
  font-weight: 800;
}

.photo-section {
  background: var(--asphalt);
  color: #fff;
}

.photo-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

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

figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #111;
}

figure img {
  width: 100%;
  aspect-ratio: 1.25 / 1;
  object-fit: cover;
}

figcaption {
  padding: 16px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.quote-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 46px;
  align-items: start;
  background: linear-gradient(135deg, var(--green), #173424);
  color: #fff;
}

.quote-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 20px;
  border-radius: 8px;
  background: #fff;
  color: var(--asphalt);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: #2b3032;
  font-weight: 800;
}

.full,
.btn-submit,
.form-note {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfd6d1;
  border-radius: 8px;
  padding: 13px 12px;
  font: inherit;
  color: var(--asphalt);
  background: #fff;
}

textarea {
  resize: vertical;
}

.btn-submit {
  width: 100%;
  min-height: 52px;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #101314;
  color: #fff;
}

.footer p {
  max-width: 680px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.footer a {
  color: var(--yellow);
  font-size: 22px;
  font-weight: 900;
  white-space: nowrap;
}

.sticky-call {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: none;
  padding: 15px 18px;
  border-radius: 8px;
  background: var(--yellow);
  color: var(--asphalt);
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22);
}

@media (max-width: 980px) {
  .site-header {
    height: auto;
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .service-grid,
  .photo-grid,
  .process,
  .split,
  .quote-band,
  .detail-section {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .site-header {
    position: absolute;
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand small,
  .nav-links,
  .header-call {
    display: none;
  }

  .hero {
    min-height: 92vh;
    padding: 118px 18px 68px;
    background-position: center;
  }

  .page-hero {
    padding: 112px 18px 58px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero p {
    font-size: 18px;
  }

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

  .hero-points {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .section,
  .process,
  .quote-band,
  .footer {
    padding: 54px 18px;
  }

  .section-tight {
    margin-top: 0;
  }

  .section-head {
    display: block;
  }

  .quote-form {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .footer {
    display: block;
    padding-bottom: 86px;
  }

  .footer a {
    display: inline-block;
    margin-top: 18px;
  }

  .sticky-call {
    display: inline-flex;
    left: 18px;
    justify-content: center;
  }
}