/* Main site and shared components */
@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --navy: #071825;
  --navy2: #0b2637;
  --sea: #36b5c7;
  --cream: #f5f7f5;
  --ink: #122d3a;
  --muted: #6f818b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "DM Sans",Arial,sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font: inherit;
}

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

.archive-note {
  min-height: 35px;
  background: #d3e9e9;
  color: #214454;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  padding: 9px 22px;
  font-size: 11px;
  letter-spacing: .015em;
  flex-wrap: wrap;
}

.archive-note strong {
  font-weight: 800;
  letter-spacing: .11em;
}

.archive-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}

.note-dot {
  height: 7px;
  width: 7px;
  border-radius: 50%;
  background: #13879b;
}

.site-header {
  height: 85px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px,5vw,85px);
  background: #071b29;
  color: white;
  position: relative;
  z-index: 10;
}

.brand img {
  width: 170px;
  height: 70px;
  object-fit: contain;
}

.desktop-nav {
  display: flex;
  gap: clamp(20px,2.7vw,46px);
  align-items: center;
}

.desktop-nav a,.portal-link {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .045em;
  transition: color .2s;
}

.desktop-nav a:hover,.portal-link:hover {
  color: #6ee0e9;
}

.portal-link {
  border: 1px solid #4e6a76;
  border-radius: 2px;
  padding: 14px 19px;
  white-space: nowrap;
}

.portal-link span {
  margin-left: 12px;
}

.menu-button {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
}

.menu-button span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px;
  background: #fff;
}

.mobile-menu {
  display: none;
}

.hero {
  height: min(760px,86vh);
  min-height: 620px;
  position: relative;
  background: #082638;
  color: white;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("assets/photos/titan-sub-over-under-bks_feature.jpg");
  background-size: cover;
  background-position: center 44%;
  transform: scale(1.01);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,rgba(3,21,32,.92) 2%,rgba(4,24,35,.74) 43%,rgba(4,22,30,.17) 94%),linear-gradient(0deg,rgba(3,20,31,.72),transparent 25%);
}

.hero-inner {
  position: relative;
  max-width: 1260px;
  margin: auto;
  padding: clamp(100px,11vw,168px) 30px 0;
}

.eyebrow,.kicker {
  font-size: 11px;
  letter-spacing: .19em;
  font-weight: 800;
  color: #197f94;
}

.eyebrow {
  color: #8eebed;
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow i {
  height: 7px;
  width: 7px;
  background: #5bced7;
  border-radius: 50%;
}

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

h1,h2,h3 {
  font-family: Manrope,Arial,sans-serif;
  letter-spacing: -.055em;
}

h1 {
  font-size: clamp(62px,7.1vw,110px);
  line-height: 1.05;
  font-weight: 700;
  margin: 23px 0 28px;
}

em {
  font-weight: 400;
  font-style: normal;
  color: #78d9dc;
}

.hero-copy {
  font-size: 18px;
  line-height: 1.75;
  color: #cfdddf;
  max-width: 570px;
}

.hero-copy strong {
  color: white;
  font-weight: 700;
}

.hero-actions {
  margin-top: 35px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: space-between;
  gap: 25px;
  padding: 19px 24px;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .07em;
}

.btn.primary {
  background: #8ce8e4;
  color: #07323a;
}

.btn:hover {
  filter: brightness(.94);
}

.text-link {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .045em;
}

.text-link span {
  margin-left: 9px;
  color: #82dfe0;
}

.hero-footer {
  position: absolute;
  bottom: 32px;
  left: 5.5%;
  right: 5.5%;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  color: #c0d0d5;
}

.stats-strip {
  background: #082333;
  color: white;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  padding: 40px max(30px,calc((100vw - 1200px)/2));
  gap: 25px;
}

.stats-strip>div {
  padding: 8px 24px;
  border-left: 1px solid #29485a;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.stats-strip strong {
  font-family: Manrope;
  font-size: 42px;
  letter-spacing: -.06em;
  line-height: 1;
}

.stats-strip .unit {
  font-size: 22px;
}

.stats-strip span:not(.unit) {
  color: #a9c1cd;
  font-size: 12px;
  line-height: 1.5;
  max-width: 210px;
}

.section {
  padding: 115px max(30px,calc((100vw - 1200px)/2));
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 50px;
  margin-bottom: 52px;
}

.section-head h2,.explore-intro h2,.mission-text h2,.archive-section h2 {
  font-size: clamp(42px,5.2vw,72px);
  line-height: 1.12;
  margin: 17px 0 0;
  font-weight: 700;
}

.section-head h2 em {
  color: #3c9ba7;
}

.section-head>p {
  max-width: 315px;
  color: #75868e;
  line-height: 1.8;
  font-size: 15px;
  margin-bottom: 4px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  min-height: 530px;
  background: #e9efef;
}

.feature-photo {
  position: relative;
  min-height: 460px;
}

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

.photo-label {
  position: absolute;
  bottom: 22px;
  left: 25px;
  background: #093346;
  color: white;
  padding: 13px 17px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
}

.feature-body {
  padding: clamp(35px,4.5vw,70px);
  align-self: center;
}

.chip {
  display: inline-block;
  border: 1px solid #bdd1d6;
  font-size: 10px;
  letter-spacing: .08em;
  padding: 10px 13px;
  text-transform: uppercase;
  color: #3e6f7c;
  font-weight: 700;
}

.feature-body h3 {
  font-size: clamp(35px,4vw,58px);
  line-height: 1.1;
  margin: 22px 0;
}

.feature-body p {
  color: #546e78;
  font-size: 14px;
  line-height: 1.8;
}

.historical-cta {
  margin-top: 17px;
  display: block;
  border-top: 1px solid #c6d4d6;
  padding-top: 20px;
  color: #2f8591;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.7;
  letter-spacing: .06em;
}

.footnote {
  margin-top: 15px;
  color: #899ca3;
  font-size: 11px;
  line-height: 1.6;
}

.exploration-section {
  background: #071f2e;
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9%;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 100px;
}

.kicker.light {
  color: #80d0d8;
}

.explore-intro h2 {
  margin: 24px 0 25px;
}

.explore-intro p {
  color: #b4c6cd;
  font-size: 17px;
  line-height: 1.9;
  max-width: 510px;
}

.label-inline {
  margin-top: 30px;
  font-size: 11px;
  letter-spacing: .11em;
  font-weight: 800;
  color: #7be0df;
}

.explore-image img {
  width: 100%;
  height: 530px;
  object-fit: cover;
}

.fleet-section {
  background: #f8faf8;
}

.fleet-layout {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 20px;
}

.image-tile {
  position: relative;
  overflow: hidden;
  height: 430px;
}

.image-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s;
}

.image-tile:hover img {
  transform: scale(1.035);
}

.image-tile:after {
  content: "";
  position: absolute;
  inset: 40% 0 0;
  background: linear-gradient(transparent,rgba(0,18,27,.75));
}

.tile-caption {
  position: absolute;
  z-index: 1;
  bottom: 28px;
  left: 30px;
  color: white;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tile-caption span {
  font-size: 10px;
  letter-spacing: .2em;
}

.tile-caption strong {
  font-family: Manrope;
  font-size: 34px;
  letter-spacing: -.04em;
}

.mission-section {
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #0b2938;
  color: #fff;
}

.mission-media img {
  width: 100%;
  height: 100%;
  min-height: 650px;
  object-fit: cover;
}

.mission-text {
  padding: clamp(60px,7vw,115px) clamp(35px,6vw,110px);
}

.mission-text h2 {
  font-size: clamp(38px,4.3vw,58px);
  margin: 22px 0 28px;
}

.mission-text p {
  line-height: 1.9;
  font-size: 15px;
  color: #c2d2d8;
}

.mission-text small {
  display: block;
  border-top: 1px solid #315261;
  padding-top: 20px;
  margin-top: 32px;
  color: #91a8b2;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 21px;
}

.gallery figure {
  margin: 0;
}

.gallery img {
  width: 100%;
  aspect-ratio: 1.15;
  object-fit: cover;
}

.gallery figcaption {
  font-size: 12px;
  font-weight: 700;
  color: #5c7985;
  padding-top: 15px;
}

.archive-section {
  background: #103140;
  color: white;
  padding: 90px max(30px,calc((100vw - 1200px)/2));
}

.archive-section h2 {
  margin: 20px 0 35px;
}

.archive-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.archive-cols p {
  font-size: 15px;
  line-height: 1.9;
  color: #bed0d6;
}

.archive-cols strong {
  color: #fff;
}

.footer {
  background: #061824;
  color: #c0d2d9;
  padding: 70px max(30px,calc((100vw - 1200px)/2)) 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 70px;
}

.footer-top img {
  width: 230px;
}

.footer-top>div {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer-top>div span {
  color: #6b9eab;
  font-size: 10px;
  letter-spacing: .16em;
  margin-bottom: 10px;
  font-weight: 800;
}

.footer-top a {
  font-size: 13px;
}

.footer-top a:hover {
  color: #90e7e5;
}

.footer-bottom {
  border-top: 1px solid #29414a;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 15px;
  color: #6f8b97;
  font-size: 11px;
}

.portal-page {
  min-height: 72vh;
  background: #eef4f4;
  padding: 100px 25px;
  text-align: center;
}

.portal-card {
  max-width: 680px;
  margin: auto;
  background: #fff;
  padding: 60px 45px;
  box-shadow: 0 14px 50px #08233111;
}

.portal-card h1 {
  font-size: 54px;
  color: #102e3d;
}

.portal-card p {
  line-height: 1.8;
  color: #647b85;
}

.portal-card .btn {
  margin-top: 20px;
}

@media (max-width:1000px) {
  .desktop-nav {
    gap: 16px;
  }

  .section {
    padding: 85px 35px;
  }

  .stats-strip {
    padding: 35px;
  }

  .feature-body {
    padding: 30px;
  }

  .mission-text {
    padding: 55px 35px;
  }

}

@media (max-width:760px) {
  .archive-note {
    font-size: 10px;
    text-align: center;
  }

  .archive-note span:not(.note-dot) {
    flex-basis: 100%;
  }

  .site-header {
    height: 72px;
    padding: 0 18px;
  }

  .brand img {
    width: 135px;
  }

  .desktop-nav {
    display: none;
  }

  .portal-link {
    font-size: 10px;
    padding: 11px;
  }

  .menu-button {
    display: block;
    margin-left: 10px;
  }

  .header-right {
    display: flex;
    align-items: center;
  }

  .mobile-menu.open {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: auto;
    background: #082635;
    z-index: 20;
    padding: 22px 28px;
    flex-direction: column;
    gap: 23px;
    color: #fff;
    font-size: 14px;
  }

  .hero {
    min-height: 610px;
    height: 77vh;
  }

  .hero-bg {
    background-position: 62% center;
  }

  .hero-inner {
    padding: 110px 26px 0;
  }

  .hero h1 {
    font-size: clamp(49px,11vw,72px);
  }

  .hero-copy {
    font-size: 15px;
  }

  .hero-actions {
    gap: 20px;
  }

  .hero-footer span:nth-child(2) {
    display: none;
  }

  .stats-strip {
    grid-template-columns: repeat(2,1fr);
    padding: 35px 15px;
    gap: 16px;
  }

  .stats-strip>div {
    padding: 10px 14px;
  }

  .stats-strip strong {
    font-size: 32px;
  }

  .section,.archive-section {
    padding: 75px 23px;
  }

  .section-head {
    display: block;
    margin-bottom: 32px;
  }

  .section-head>p {
    margin-top: 25px;
  }

  .section-head h2,.explore-intro h2,.archive-section h2 {
    font-size: 43px;
  }

  .feature-grid,.exploration-section,.mission-section {
    grid-template-columns: 1fr;
  }

  .feature-photo {
    min-height: 340px;
    height: 340px;
  }

  .feature-body {
    padding: 37px 27px;
  }

  .exploration-section {
    gap: 40px;
  }

  .explore-image img {
    height: 360px;
  }

  .fleet-layout {
    grid-template-columns: 1fr;
  }

  .image-tile {
    height: 300px;
  }

  .mission-media img {
    min-height: unset;
    height: 360px;
  }

  .mission-text {
    padding: 65px 26px;
  }

  .gallery {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }

  .gallery figure:last-child {
    grid-column: span 2;
  }

  .archive-cols {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer {
    padding: 65px 24px 25px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-top img {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
  }

}

@media (max-width:390px) {
  .portal-link {
    display: none;
  }

  .hero h1 {
    font-size: 48px;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery figure:last-child {
    grid-column: auto;
  }

}
