:root {
  --ink: #07121f;
  --muted: #536173;
  --line: #d9e2ea;
  --surface: #f6f8fb;
  --white: #ffffff;
  --navy: #0b1f35;
  --teal: #0b8f9c;
  --teal-dark: #076874;
  --amber: #d58a26;
  --shadow: 0 22px 60px rgba(10, 31, 53, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 76px;
  padding: 16px clamp(20px, 5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 30px rgba(7, 18, 31, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-size: 18px;
}

sup {
  font-size: 0.58em;
}

.brand-text {
  max-width: 270px;
  font-size: 14px;
  line-height: 1.2;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  opacity: 0.86;
}

.nav a:hover {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  min-height: 760px;
  padding: 150px clamp(20px, 5vw, 72px) 56px;
  color: var(--white);
  overflow: hidden;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(4, 13, 24, 0.9) 0%, rgba(4, 13, 24, 0.72) 38%, rgba(4, 13, 24, 0.18) 74%),
    linear-gradient(180deg, rgba(4, 13, 24, 0.35) 0%, rgba(4, 13, 24, 0.68) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  max-width: 770px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #68d3dd;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.95;
}

h2 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.02;
}

h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.16;
}

.hero-copy {
  max-width: 670px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(18px, 2vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: var(--teal);
}

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

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
}

.hero-status {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  align-self: end;
  margin-top: 72px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(18px);
}

.hero-status div {
  min-height: 122px;
  padding: 24px;
  background: rgba(7, 18, 31, 0.42);
}

.hero-status strong,
.hero-status span {
  display: block;
}

.hero-status strong {
  margin-bottom: 8px;
  font-size: 16px;
}

.hero-status span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.section {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.8fr);
  gap: clamp(34px, 7vw, 100px);
  align-items: start;
  background: var(--white);
}

.intro > p,
.contact p {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
}

.section-heading {
  margin-bottom: 36px;
}

.services {
  background: var(--surface);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 290px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(7, 18, 31, 0.04);
}

.service-card p {
  margin: 0;
  color: var(--muted);
}

.card-index {
  display: inline-block;
  margin-bottom: 44px;
  color: var(--amber);
  font-weight: 800;
}

.method {
  color: var(--white);
  background: var(--navy);
}

.method .section-heading .eyebrow {
  color: #68d3dd;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.timeline-item {
  position: relative;
  padding: 34px 24px 0 0;
}

.timeline-item::before {
  position: absolute;
  top: -6px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--amber);
  content: "";
}

.timeline-item span {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 800;
}

.timeline-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.sectors {
  background: var(--white);
}

.sector-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.sector-list span {
  min-height: 82px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--navy);
  background: linear-gradient(135deg, #ffffff, #eef7f8);
  font-size: 20px;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 520px);
  gap: clamp(34px, 7vw, 92px);
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(11, 31, 53, 0.95), rgba(7, 104, 116, 0.9)),
    var(--navy);
}

.contact .eyebrow {
  color: #8ee7ef;
}

.contact h2 {
  margin-bottom: 24px;
}

.contact p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(104, 211, 221, 0.35);
  border-color: #8ee7ef;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.74);
  background: #06101c;
  font-size: 14px;
}

@media (max-width: 1000px) {
  .service-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .site-header {
    min-height: 70px;
    padding: 12px 18px;
  }

  .brand-text {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 70px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .nav a {
    padding: 14px;
  }

  .hero {
    min-height: 720px;
    padding-top: 116px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(4, 13, 24, 0.9), rgba(4, 13, 24, 0.55)),
      linear-gradient(180deg, rgba(4, 13, 24, 0.14), rgba(4, 13, 24, 0.84));
  }

  .hero-status,
  .service-grid,
  .timeline,
  .sector-list {
    grid-template-columns: 1fr;
  }

  .hero-status {
    margin-top: 44px;
  }

  .service-card {
    min-height: auto;
  }

  .card-index {
    margin-bottom: 28px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  h1 {
    font-size: 44px;
  }

  .button {
    width: 100%;
  }
}