:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #0f172a;
  --muted: #5b6474;
  --line: #d9e1ec;
  --dark: #0b1220;
  --dark-2: #111a2b;
  --primary: #0f4c81;
  --primary-hover: #0b3c65;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --container: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(217, 225, 236, 0.8);
}

.header__inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--text);
  font-size: 0.98rem;
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  margin: 6px 0;
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  background:
    linear-gradient(90deg, rgba(11, 18, 32, 0.78) 0%, rgba(11, 18, 32, 0.55) 45%, rgba(11, 18, 32, 0.18) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  color: #fff;
  padding: 110px 0 80px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #7b8798;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

h1,
h2,
h3 {
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  margin-bottom: 22px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.hero__text,
.section-head p,
.section p,
.card p,
.contact-box p {
  color: inherit;
}

.hero__text {
  max-width: 640px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero__actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
}

.btn--primary {
  background: #fff;
  color: var(--text);
}

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

.btn--secondary {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.section {
  padding: 100px 0;
}

.section--light {
  background: var(--surface-2);
}

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

.section-head {
  max-width: 760px;
  margin: 0 auto 50px;
  text-align: center;
}

.section-head p {
  color: var(--muted);
}

.section-head--light p {
  color: rgba(255, 255, 255, 0.72);
}

.grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.grid--reverse {
  grid-template-columns: 1fr 1.1fr;
}

.section p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 16px;
}

.image-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}

.image-card img {
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.card p {
  color: var(--muted);
}

.cards--dark .card--dark {
  background: var(--dark-2);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.cards--dark .card--dark p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-box {
  margin-top: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.footer {
  padding: 28px 0;
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer__inner {
  text-align: center;
}

.footer p {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .grid,
  .grid--reverse,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 78vh;
  }

  .hero__content {
    padding: 100px 0 70px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 1002;
  }

  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 20px;
    right: 20px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 18px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .nav.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 80px 0;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .card,
  .contact-box {
    padding: 24px;
  }

  .image-card img {
    min-height: 280px;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}