:root {
  --blue: #159ee8;
  --blue-dark: #0879bb;
  --ink: #202225;
  --muted: #646b73;
  --paper: #ffffff;
  --soft: #f3f6f8;
  --line: #dce2e6;
  --shadow: 0 18px 44px rgba(18, 30, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.transition-note {
  padding: 7px 18px;
  color: #fff;
  background: var(--blue-dark);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 82px;
  padding: 14px clamp(20px, 5vw, 76px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.brand img {
  width: 230px;
}

nav {
  display: flex;
  gap: 30px;
}

nav a,
.header-phone {
  font-weight: 700;
  text-decoration: none;
}

nav a:hover,
.header-phone:hover,
.text-link:hover {
  color: var(--blue-dark);
}

.header-phone {
  justify-self: end;
  color: var(--blue-dark);
}

.hero {
  position: relative;
  min-height: min(720px, calc(100vh - 110px));
  display: flex;
  align-items: center;
  background: url("assets/hero.jpg") center 48% / cover no-repeat;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 18, 26, 0.84) 0%, rgba(8, 18, 26, 0.58) 48%, rgba(8, 18, 26, 0.08) 78%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, 90%);
  margin-left: clamp(20px, 8vw, 140px);
  padding: 70px 0;
  color: #fff;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.feature h2,
.details h2,
.reference h2,
.contact h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(3.1rem, 7vw, 6.7rem);
}

.hero-content > p:not(.eyebrow) {
  max-width: 650px;
  margin: 26px 0 34px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 2px solid transparent;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--blue);
}

.button-primary:hover {
  background: var(--blue-dark);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.75);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.services,
.feature,
.details,
.contact,
footer {
  width: min(1200px, calc(100% - 40px));
  margin-inline: auto;
}

.services {
  padding: 110px 0 80px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 40px;
}

.section-heading h2,
.feature h2,
.details h2,
.contact h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  overflow: hidden;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.service-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 220ms ease, transform 220ms ease;
}

.service-card:hover img {
  filter: grayscale(20%);
  transform: scale(1.02);
}

.service-card div {
  padding: 25px 27px 30px;
}

.service-card h3 {
  margin: 0 0 7px;
  font-size: 1.6rem;
}

.service-card p,
.feature-copy p,
.details-copy p,
.contact p {
  color: var(--muted);
}

.feature,
.details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  padding: 80px 0;
}

.feature-image img {
  width: 100%;
  min-height: 540px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.feature-copy p,
.details-copy p {
  margin: 24px 0;
  font-size: 1.06rem;
}

.text-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--blue-dark);
  font-weight: 800;
  text-decoration: none;
}

.details {
  grid-template-columns: 0.85fr 1.15fr;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.64em;
  left: 0;
  width: 15px;
  height: 3px;
  background: var(--blue);
}

.image-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.image-stack img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.image-stack img:nth-child(2) {
  margin-top: 0;
}

.reference {
  position: relative;
  min-height: 560px;
  margin: 90px 0 0;
  overflow: hidden;
}

.reference > img {
  width: 100%;
  height: 640px;
  object-fit: cover;
  filter: grayscale(100%);
}

.reference::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 18, 26, 0.82), rgba(8, 18, 26, 0.03) 70%);
}

.reference-overlay {
  position: absolute;
  z-index: 1;
  bottom: 70px;
  left: max(20px, calc((100% - 1160px) / 2));
  color: #fff;
}

.reference h2 {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  padding: 110px 0;
}

.contact-actions {
  display: grid;
  border-top: 1px solid var(--line);
}

.contact-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

a.contact-item:hover strong {
  color: var(--blue-dark);
}

.contact-item span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-item strong {
  line-height: 1.45;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 50px;
  padding: 44px 0 60px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-brand img {
  width: 190px;
  margin-bottom: 15px;
}

.footer-brand p,
.footer-legal p {
  margin: 4px 0;
}

.footer-legal {
  text-align: right;
}

.legal-links {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  padding-top: 8px;
}

.legal-links a,
.legal-back {
  color: var(--blue-dark);
  font-weight: 700;
}

.legal-page {
  background: var(--soft);
}

.legal-header {
  position: static;
}

.legal-main {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 100px;
}

.legal-main h1 {
  margin: 0 0 12px;
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.legal-intro {
  margin: 0 0 44px;
  color: var(--muted);
}

.legal-section {
  margin-top: 22px;
  padding: 28px clamp(22px, 5vw, 42px);
  background: var(--paper);
  box-shadow: 0 10px 28px rgba(18, 30, 43, 0.07);
}

.legal-section h2 {
  margin: 0 0 14px;
  font-size: 1.35rem;
  line-height: 1.25;
}

.legal-section h3 {
  margin: 24px 0 8px;
  font-size: 1.05rem;
}

.legal-section p,
.legal-section ul {
  margin: 8px 0;
}

.legal-section a {
  color: var(--blue-dark);
}

.legal-footer {
  width: min(880px, calc(100% - 40px));
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

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

  .service-card {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
  }

  .feature,
  .details,
  .contact {
    grid-template-columns: 1fr;
  }

  .image-stack img {
    height: 360px;
  }

  .contact {
    gap: 35px;
  }
}

@media (max-width: 620px) {
  .transition-note {
    font-size: 0.65rem;
  }

  .site-header {
    min-height: 72px;
    padding-inline: 18px;
  }

  .brand img {
    width: 155px;
  }

  .header-phone {
    font-size: 0.82rem;
  }

  .hero {
    min-height: 670px;
    background-position: 59% center;
  }

  .hero-shade {
    background: rgba(8, 18, 26, 0.69);
  }

  .hero-content {
    margin: 0 auto;
  }

  .hero h1 {
    font-size: clamp(3rem, 17vw, 4.6rem);
  }

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

  .services {
    padding-top: 80px;
  }

  .service-card {
    display: block;
  }

  .feature,
  .details {
    padding: 55px 0;
  }

  .feature-image img {
    min-height: 380px;
  }

  .image-stack {
    grid-template-columns: 1fr;
  }

  .image-stack img,
  .image-stack img:nth-child(2) {
    height: 310px;
    margin: 0;
  }

  .reference,
  .reference > img {
    min-height: 500px;
    height: 500px;
  }

  .reference-overlay {
    bottom: 45px;
  }

  .contact-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  footer {
    display: block;
  }

  .footer-legal {
    margin-top: 25px;
    text-align: left;
  }

  .legal-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}