:root {
  --bg: #ffffff;
  --text: #161616;
  --muted: #5f5f5f;
  --line: #e8e8e8;
  --accent: #111111;
  --soft: #f7f7f7;
  --azul: #0044ff
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.menu {
  display: flex;
  gap: 20px;
}

.menu a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

.menu a:hover {
  color: #0044ff;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 13px;
  cursor: pointer;
}

.hero {
  padding: 96px 0;
  background: linear-gradient(180deg, #f8f8f8 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.hero-content {
  text-align: center;
  max-width: 820px;
}

h1 {
  margin: 0 0 16px;
  color: var(--text);
  font-size: clamp(2rem, 5vw, 3.9rem);
  line-height: 1.15;
}

.hero p {
  margin: 0 auto 26px;
  color: var(--muted);
  max-width: 680px;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.clients {
  padding-top: 56px;
  padding-bottom: 56px;
}

.clients h2 {
  text-align: center;
  margin-bottom: 18px;
}

.clients-marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.clients-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.clients-group {
  display: flex;
  align-items: center;
  gap: 72px;
  width: max-content;
  padding-right: 72px;
}

.clients-track img {
  height: 64px;
  width: auto;
  object-fit: contain;
  filter: none;
  opacity: 1;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  background: #ffffff;
  color: #0044ff;;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover {
  opacity: 0.92;
}

.section {
  padding: 82px 0;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  line-height: 1.2;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

.about {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 30px;
  align-items: center;
}

.about-centered {
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
  gap: 28px;
}

.about-text {
  max-width: 820px;
}

.about-counter {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.counter-item {
  padding: 6px 10px;
  text-align: center;
}

.counter-number {
  display: block;
  color: var(--text);
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 6px;
}

.counter-item p {
  margin: 0;
  font-size: 0.95rem;
}

.section-soft {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro {
  max-width: 620px;
  margin-bottom: 20px;
}

.services-grid {
  display: flex;
  gap: 0;
  transition: transform 0.35s ease;
}

.services-slider {
  overflow: hidden;
  border-radius: var(--radius);
}

.service-card {
  min-width: 100%;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: grid;
  grid-template-columns: 42% 58%;
  overflow: hidden;
  min-height: 430px;
}

.service-media {
  background: #efefef;
  height: 100%;
}

.service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #efefef;
}

.service-content {
  padding: 26px 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: #d8d8d8;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.service-number {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8a8a8a;
}

.service-card h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  color: var(--text);
  line-height: 1.3;
}

.service-card p {
  margin: 0 0 14px;
  line-height: 1.7;
}

.service-card h4 {
  margin: 2px 0 8px;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #666;
}

.service-card ul,
.service-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 7px;
}

.service-card li {
  margin-bottom: 0;
}

.services-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.services-btn {
  border: 1px solid #d6d6d6;
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
}

.services-btn:hover {
  border-color: #cfcfcf;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  display: grid;
  gap: 8px;
}

.contact-form label {
  font-weight: 500;
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #bdbdbd;
}

.error {
  min-height: 18px;
  font-size: 13px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}

.footer p {
  margin: 0;
  text-align: center;
}

@media (max-width: 900px) {
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .about-counter {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hero-content {
    max-width: 820px;
  }

  .service-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .service-media {
    max-height: 220px;
  }

  .service-card img {
    height: 220px;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .menu {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px 4%;
  }

  .menu.open {
    display: flex;
  }

  .menu a {
    padding: 12px 0;
  }

  .hero {
    padding: 80px 0;
  }
}