:root {
  --bg: #0b0d10;
  --panel: #12161b;
  --panel2: #171c22;
  --text: #f4f5f6;
  --muted: #a8afb8;
  --line: #293039;
  --accent: #ff5a1f;
  --accent2: #ff7a42;
  --max: 1180px;
  --radius: 18px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
}
a {
  text-decoration: none;
  color: inherit;
}
.container {
  width: min(var(--max), calc(100% - 40px));
  margin: auto;
}
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 13, 16, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.nav {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 22px;
}
.logo span {
  color: var(--accent);
}
.navlinks {
  display: flex;
  gap: 26px;
  color: #c7ccd2;
  font-size: 14px;
}
.navlinks a:hover {
  color: #fff;
}
.phone {
  font-weight: 800;
  font-size: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 12px;
  padding: 14px 20px;
  font-weight: 800;
  cursor: pointer;
  transition: 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 10px 30px rgba(255, 90, 31, 0.2);
}
.btn-primary:hover {
  background: var(--accent2);
  transform: translateY(-1px);
}
.btn-ghost {
  border: 1px solid var(--line);
  background: transparent;
  color: #fff;
}
.hero {
  min-height: 690px;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 38%, rgba(255, 90, 31, 0.2), transparent 25%),
    linear-gradient(
      90deg,
      rgba(11, 13, 16, 0.98) 0%,
      rgba(11, 13, 16, 0.82) 52%,
      rgba(11, 13, 16, 0.45) 100%
    ),
    url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1800&q=80")
      center/cover;
}
.hero-content {
  position: relative;
  padding: 90px 0 110px;
  max-width: 800px;
}
.eyebrow {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: #ff8a5d;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  font-size: 12px;
}
.eyebrow:before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
}
h1 {
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin: 20px 0;
}
h1 span {
  color: var(--accent);
}
.lead {
  font-size: 20px;
  color: #c4c9cf;
  max-width: 650px;
  margin: 0 0 30px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 70px;
  border-radius: 16px;
  overflow: hidden;
  max-width: 700px;
}
.stat {
  background: rgba(18, 22, 27, 0.88);
  padding: 18px;
}
.stat b {
  font-size: 27px;
  display: block;
}
.stat small {
  color: var(--muted);
}
section {
  padding: 100px 0;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
  margin-bottom: 45px;
}
.section-head h2 {
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
}
.section-head p {
  max-width: 520px;
  color: var(--muted);
  margin: 0;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  min-height: 220px;
  transition: 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: #414b55;
}
.icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 90, 31, 0.12);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 900;
  margin-bottom: 22px;
}
.card h3 {
  font-size: 21px;
  margin: 0 0 10px;
}
.card p {
  color: var(--muted);
  margin: 0;
}
.dark-alt {
  background: #0e1115;
}
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.step {
  padding: 30px;
  background: var(--panel);
  border-right: 1px solid var(--line);
}
.step:last-child {
  border: 0;
}
.step-num {
  color: var(--accent);
  font-weight: 900;
  font-size: 13px;
}
.step h3 {
  margin: 12px 0 8px;
}
.step p {
  color: var(--muted);
  font-size: 14px;
}
.materials {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}
.big-card {
  border-radius: 20px;
  min-height: 420px;
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(0deg, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.1)),
    url("https://images.unsplash.com/photo-1530124566582-a618bc2615dc?auto=format&fit=crop&w=1200&q=80")
      center/cover;
}
.big-card h3 {
  font-size: 36px;
  margin: 0 0 8px;
}
.big-card p {
  color: #d0d5da;
  margin: 0;
}
.list-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 35px;
}
.list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 25px;
}
.pill {
  border: 1px solid var(--line);
  padding: 13px 15px;
  border-radius: 12px;
  color: #d9dde1;
}
.quote {
  background: linear-gradient(135deg, #171b20, #0e1115);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 55px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
}
.quote h2 {
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.045em;
  margin: 0 0 16px;
}
.quote p {
  color: var(--muted);
  max-width: 560px;
}
form {
  display: grid;
  gap: 10px;
}
.input {
  width: 100%;
  background: #0b0d10;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 15px;
  color: #fff;
  font: inherit;
  outline: 0;
}
.input:focus {
  border-color: var(--accent);
}
textarea.input {
  min-height: 105px;
  resize: vertical;
}
footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: #8f979f;
  font-size: 13px;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
@media (max-width: 850px) {
  .navlinks,
  .phone {
    display: none;
  }
  .hero {
    min-height: 620px;
  }
  .hero-content {
    padding: 70px 0;
  }
  .grid {
    grid-template-columns: 1fr 1fr;
  }
  .process {
    grid-template-columns: 1fr 1fr;
  }
  .step:nth-child(2) {
    border-right: 0;
  }
  .materials,
  .quote {
    grid-template-columns: 1fr;
  }
  .quote {
    padding: 32px;
  }
  .quote h2 {
    font-size: 38px;
  }
}
@media (max-width: 560px) {
  .container {
    width: min(var(--max), calc(100% - 28px));
  }
  section {
    padding: 70px 0;
  }
  .grid,
  .process {
    grid-template-columns: 1fr;
  }
  .step {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .hero:before {
    background:
      linear-gradient(90deg, rgba(11, 13, 16, 0.96), rgba(11, 13, 16, 0.72)),
      url("https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1200&q=80")
        center/cover;
  }
  .list {
    grid-template-columns: 1fr;
  }
}