:root {
  --ink: #101820;
  --muted: #5a6572;
  --blue: #0a4f8f;
  --cyan: #1db4d8;
  --gold: #f7b500;
  --paper: #ffffff;
  --soft: #f3f6f8;
  --line: #dce4ea;
  --shadow: 0 24px 70px rgba(16, 24, 32, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand,
nav,
.actions,
footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 900;
}

.brand span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  border-radius: 8px;
  background: var(--blue);
}

nav {
  gap: 18px;
  color: var(--muted);
  font-weight: 800;
}

.phone {
  color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 67px);
  align-items: end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 24, 32, 0.86), rgba(16, 24, 32, 0.38), rgba(16, 24, 32, 0.12)),
    url("https://images.unsplash.com/photo-1600210491369-e753d80a41f3?auto=format&fit=crop&w=1800&q=85") center/cover;
}

.hero-content {
  position: relative;
  max-width: 820px;
  padding: clamp(42px, 8vw, 92px) clamp(18px, 5vw, 72px);
  color: #fff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: 0.94;
}

h2 {
  max-width: 800px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

p {
  color: var(--muted);
  line-height: 1.55;
}

.hero p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  font: inherit;
  font-weight: 900;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
}

.primary,
button {
  color: var(--ink);
  background: var(--gold);
}

.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.quick-offer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  padding: 18px;
  color: #fff;
  background: var(--blue);
}

.quick-offer span {
  color: rgba(255, 255, 255, 0.82);
}

.section,
.split,
.quote {
  padding: clamp(44px, 7vw, 92px) clamp(18px, 5vw, 72px);
}

.section-head {
  margin-bottom: 30px;
}

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

article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 24, 32, 0.06);
}

article img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

article h3,
article p {
  padding-inline: 20px;
}

article h3 {
  margin-top: 18px;
}

article p {
  padding-bottom: 22px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  background: var(--soft);
}

.split img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink);
}

.process div {
  padding: clamp(24px, 4vw, 42px);
  background: #172333;
}

.process span {
  color: var(--gold);
  font-weight: 900;
}

.process h3 {
  color: #fff;
}

.process p {
  color: rgba(255, 255, 255, 0.72);
}

.quote {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 0.65fr);
  gap: clamp(28px, 5vw, 72px);
  background: #fff;
}

form {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

input,
textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  border: 1px solid #c8d2dc;
  border-radius: 8px;
}

textarea {
  resize: vertical;
}

footer {
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 26px;
  padding: 26px;
  color: #fff;
  font-weight: 900;
  background: var(--ink);
}

@media (max-width: 900px) {
  .service-grid,
  .process,
  .split,
  .quote {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar,
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 10px;
  }

  .button,
  button {
    width: 100%;
  }
}