:root {
  --ink: #101820;
  --ink-soft: #45525f;
  --blue: #084aa8;
  --blue-deep: #062f68;
  --cyan: #1fb6ea;
  --green: #6f9f4c;
  --mist: #eef6fb;
  --line: #d9e4ec;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(6, 47, 104, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  background: #ffffff;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 54px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  padding-block: 10px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 35px rgba(16, 24, 32, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(132px, 15vw, 220px);
  height: 54px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--white);
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.main-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 700;
}

.main-nav a {
  opacity: 0.88;
}

.main-nav a:hover {
  opacity: 1;
  color: var(--cyan);
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-weight: 800;
  line-height: 1;
}

.nav-cta {
  padding: 0 20px;
  background: var(--cyan);
  color: #05263e;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: inherit;
  background: transparent;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(4, 25, 48, 0.9) 0%, rgba(4, 25, 48, 0.72) 38%, rgba(4, 25, 48, 0.18) 68%, rgba(4, 25, 48, 0.1) 100%),
    linear-gradient(0deg, rgba(4, 25, 48, 0.78), transparent 34%);
}

.hero-content {
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 92px);
  padding-top: 84px;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.03rem, 2vw, 1.3rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  padding: 0 24px;
}

.button.primary {
  color: #041930;
  background: var(--cyan);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.52);
  color: var(--white);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(820px, calc(100vw - 36px));
  margin-top: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.hero-metrics span {
  padding: 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.hero-metrics strong {
  display: block;
  color: var(--white);
  font-size: 1.05rem;
}

section {
  padding: clamp(72px, 9vw, 128px) clamp(18px, 6vw, 88px);
}

.intro-section,
.operations-section {
  background:
    linear-gradient(180deg, #ffffff, #f9fcfe);
}

.intro-grid,
.section-heading,
.case-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.25;
}

p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.intro-copy p {
  margin: 0 0 20px;
  font-size: 1.05rem;
}

.services-section {
  background: var(--ink);
  color: var(--white);
}

.services-section p,
.services-section .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

.section-heading {
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 62px);
}

.section-heading p {
  max-width: 560px;
  margin: 0;
  font-size: 1.04rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
}

.service-card .icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 34px;
  border-radius: 6px;
  color: #051d35;
  background: var(--cyan);
  font-weight: 900;
}

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

.visual-band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.62fr);
  gap: 0;
  padding: 0;
  background: var(--mist);
}

.visual-band > img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
}

.visual-panel {
  align-self: center;
  margin: clamp(22px, 4vw, 58px);
  padding: clamp(28px, 4vw, 54px);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.visual-panel p {
  margin-bottom: 0;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process article {
  position: relative;
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.process article span {
  display: block;
  width: 14px;
  height: 14px;
  margin-bottom: 36px;
  border: 3px solid var(--cyan);
  border-radius: 50%;
  outline: 8px solid rgba(31, 182, 234, 0.12);
}

.process article p {
  margin-bottom: 0;
}

.case-section {
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 47, 104, 0.95), rgba(16, 24, 32, 0.96)),
    var(--blue-deep);
}

.case-copy p,
.case-copy li {
  color: rgba(255, 255, 255, 0.76);
}

.case-copy ul {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.case-copy li {
  position: relative;
  padding-left: 24px;
}

.case-copy li::before {
  content: "";
  position: absolute;
  top: 0.74em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
}

.case-image {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.case-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.contact-section {
  align-items: center;
  background: #f6fafc;
}

.contact-section p {
  max-width: 620px;
  margin-bottom: 0;
}

.contact-actions {
  display: grid;
  gap: 14px;
}

.contact-card {
  display: grid;
  gap: 8px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 32px rgba(6, 47, 104, 0.08);
}

.contact-card span {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.contact-card strong {
  color: var(--blue);
  font-size: clamp(1.08rem, 2vw, 1.5rem);
  overflow-wrap: anywhere;
}

footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 6vw, 88px);
  border-top: 1px solid var(--line);
  background: var(--white);
}

footer img {
  width: 168px;
}

footer p,
footer a {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .main-nav,
  .nav-cta {
    display: none;
  }

  .menu-button {
    display: block;
    justify-self: end;
  }

  .site-header.is-open .main-nav {
    position: absolute;
    top: 74px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .site-header.is-open .main-nav a {
    padding: 16px;
  }

  .hero-content {
    margin-left: 18px;
    padding-top: 112px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(4, 25, 48, 0.94), rgba(4, 25, 48, 0.58)),
      linear-gradient(0deg, rgba(4, 25, 48, 0.86), transparent 40%);
  }

  .hero-metrics,
  .services-grid,
  .process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-grid,
  .section-heading,
  .case-section,
  .contact-section,
  .visual-band {
    grid-template-columns: 1fr;
  }

  .visual-band > img {
    min-height: 420px;
  }
}

@media (max-width: 640px) {
  .brand {
    width: 142px;
    height: 46px;
  }

  .hero {
    min-height: 920px;
    align-items: end;
  }

  .hero-media img {
    object-position: 68% center;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding: 116px 0 40px;
  }

  .hero h1 {
    max-width: 330px;
    font-size: clamp(2.35rem, 12vw, 3.15rem);
    line-height: 1.01;
  }

  .hero-copy {
    max-width: 330px;
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: min(100%, 330px);
  }

  .button {
    width: 100%;
  }

  .hero-metrics,
  .services-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .service-card,
  .process article {
    min-height: 0;
  }

  .visual-panel {
    margin: 18px;
  }

  footer {
    display: grid;
  }
}