:root {
  --ink: #0d1b2a;
  --navy: #092238;
  --blue: #0b5d7d;
  --teal: #12a3a8;
  --gold: #d69b2d;
  --paper: #f5f8fa;
  --line: #d9e4e9;
  --muted: #60707c;
  --white: #ffffff;
  --shadow: 0 20px 45px rgba(7, 32, 50, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition: none;
}

body.is-ready .site-header {
  transition: background 180ms ease, box-shadow 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open,
.is-initial-scrolled .site-header {
  background: rgba(8, 28, 45, 0.96);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.16);
  padding-block: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.1;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 32px);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.site-nav a {
  opacity: 0.82;
  white-space: nowrap;
}

.site-nav a:hover {
  opacity: 1;
  color: #cbeff0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(720px, 92vh, 960px);
  overflow: hidden;
  color: var(--white);
}

.hero img,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero img {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(3, 19, 33, 0.9) 0%, rgba(3, 27, 44, 0.66) 46%, rgba(3, 20, 32, 0.24) 100%),
    linear-gradient(0deg, rgba(7, 32, 50, 0.62), rgba(7, 32, 50, 0));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  max-width: calc(100vw - 36px);
  margin: auto auto clamp(120px, 13vh, 150px) clamp(18px, 7vw, 104px);
  padding-top: 120px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #b8f3f5;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--blue);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 740px;
  margin-bottom: 12px;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
  overflow-wrap: break-word;
}

.hero-subtitle {
  max-width: 650px;
  margin-bottom: 16px;
  color: #b8f3f5;
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border: 1px solid transparent;
  font-weight: 800;
  text-align: center;
}

.btn.primary {
  background: var(--teal);
  color: var(--navy);
}

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.46);
  color: var(--white);
}

.hero-panel {
  position: absolute;
  right: clamp(18px, 5vw, 70px);
  bottom: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(130px, 1fr));
  width: min(680px, calc(100% - 36px));
  background: var(--white);
  color: var(--navy);
  box-shadow: var(--shadow);
}

.hero-panel span {
  padding: 22px;
  border-right: 1px solid var(--line);
  font-weight: 800;
}

.hero-panel span:last-child {
  border-right: 0;
}

.section {
  padding: clamp(72px, 10vw, 120px) clamp(18px, 4vw, 56px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.about-grid,
.split-layout,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
}

.about-grid p,
.split-layout p,
.mission-grid p,
.contact-grid p {
  color: var(--muted);
  font-size: 17px;
}

.image-stack {
  position: relative;
}

.image-stack img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.metric-card {
  position: absolute;
  left: -24px;
  bottom: 28px;
  width: min(280px, 82%);
  padding: 22px;
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow);
}

.metric-card strong,
.metric-card span {
  display: block;
}

.metric-card strong {
  color: #b8f3f5;
  font-size: 28px;
  line-height: 1;
}

.services-section,
.industries-section {
  background: var(--white);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 252px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fbfdfe;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(18, 163, 168, 0.45);
  box-shadow: var(--shadow);
}

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

.vessel-section {
  background: linear-gradient(180deg, #eef5f7, #f8fbfc);
}

.vessel-list,
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.vessel-list span,
.industry-grid span {
  display: flex;
  min-height: 58px;
  align-items: center;
  padding: 16px 18px;
  border-left: 4px solid var(--teal);
  background: var(--white);
  color: var(--navy);
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(7, 32, 50, 0.07);
}

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

.why-grid,
.mission-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}

.why-card h2 {
  margin-bottom: 0;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  min-height: 54px;
  padding: 16px 16px 16px 42px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
}

.check-list li::before {
  position: absolute;
  left: 16px;
  top: 17px;
  content: "";
  width: 14px;
  height: 14px;
  border: 3px solid var(--teal);
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
}

.mission-section {
  background: var(--paper);
}

.mission-grid article {
  min-height: 330px;
  padding: clamp(28px, 4vw, 44px);
  background: var(--white);
  box-shadow: 0 14px 36px rgba(7, 32, 50, 0.08);
}

.vision-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.vision-card h2 {
  max-width: 620px;
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.12;
}

.vision-card p:last-child {
  max-width: 560px;
  margin-bottom: 0;
}

.mission-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mission-grid .check-list {
  grid-template-columns: 1fr;
}

.mission-grid .check-list li {
  background: #f4f8fa;
  color: var(--ink);
}

.mission-list li {
  min-height: 64px;
  padding-left: 56px;
}

.mission-list li::before {
  top: 50%;
  left: 18px;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: var(--teal);
  transform: translateY(-50%);
}

.mission-list li::after {
  position: absolute;
  left: 25px;
  top: 50%;
  content: "";
  width: 10px;
  height: 6px;
  border-left: 3px solid var(--white);
  border-bottom: 3px solid var(--white);
  transform: translateY(-62%) rotate(-45deg);
}

.industry-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-section {
  position: relative;
  overflow: hidden;
  padding: clamp(78px, 10vw, 124px) clamp(18px, 4vw, 56px);
  background: var(--navy);
  color: var(--white);
}

.contact-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 34, 56, 0.96), rgba(9, 34, 56, 0.76)),
    url("assets/hero-vessel.jpg") center / cover;
}

.contact-grid {
  position: relative;
  z-index: 1;
}

.contact-grid p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-card {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.contact-card a {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 56px);
  background: #061727;
  color: rgba(255, 255, 255, 0.76);
}

.site-footer span {
  color: var(--white);
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1120px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .industry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .site-header {
    padding: 14px 18px;
  }

  .nav-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: rgba(8, 28, 45, 0.98);
  }

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

  .site-nav a {
    padding: 14px;
  }

  .hero {
    min-height: 860px;
  }

  .hero-content {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
    margin: auto 18px 210px;
    padding-top: 96px;
  }

  h1 {
    max-width: 680px;
    font-size: clamp(30px, 6.5vw, 52px);
  }

  .hero-subtitle {
    font-size: clamp(20px, 4vw, 28px);
  }

  .hero-panel {
    left: 18px;
    right: 18px;
    grid-template-columns: 1fr;
    width: auto;
  }

  .hero-panel span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .about-grid,
  .split-layout,
  .why-grid,
  .mission-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .image-stack img {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 640px) {
  .site-header {
    gap: 12px;
  }

  .brand {
    min-width: auto;
    gap: 10px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand small {
    display: none;
  }

  .brand strong {
    font-size: 15px;
  }

  .section {
    padding: 64px 18px;
  }

  h2 {
    font-size: 30px;
  }

  h1 {
    font-size: 32px;
  }

  .hero {
    min-height: 790px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(3, 19, 33, 0.94) 0%, rgba(3, 27, 44, 0.78) 62%, rgba(3, 20, 32, 0.58) 100%),
      linear-gradient(0deg, rgba(7, 32, 50, 0.7), rgba(7, 32, 50, 0));
  }

  .hero-content {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
    margin: auto 18px 220px;
    padding-top: 84px;
  }

  .hero-content h1,
  .hero-subtitle,
  .hero-copy {
    max-width: 100%;
  }

  .hero-subtitle {
    font-size: 21px;
  }

  .hero-copy {
    font-size: 14px;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 22px;
  }

  .btn {
    width: 100%;
    max-width: 100%;
  }

  .hero-panel {
    left: 18px;
    right: 18px;
  }

  .hero-panel span {
    min-height: 54px;
    padding: 14px 16px;
  }

  .service-grid,
  .vessel-list,
  .industry-grid,
  .check-list {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
    padding: 24px;
  }

  .metric-card {
    position: static;
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand strong {
    max-width: 170px;
  }

  h1 {
    font-size: 27px;
  }

  h2 {
    font-size: 27px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    margin: auto 14px 205px;
  }

  .hero-subtitle {
    font-size: 19px;
  }

  .hero-panel {
    left: 14px;
    right: 14px;
  }

  .contact-card,
  .mission-grid article {
    padding: 22px;
  }
}
