/* Treasure Coast Maritime Test & Innovation Range
   Standalone responsive site ,  no frameworks or external fonts required. */

:root {
  --navy: #061d2d;
  --navy-2: #0a3048;
  --blue: #0e6785;
  --aqua: #2fc1c7;
  --seafoam: #bcebed;
  --sand: #f0e4cd;
  --white: #ffffff;
  --off-white: #f5f8f8;
  --ink: #102733;
  --muted: #5f717a;
  --line: rgba(16, 39, 51, 0.14);
  --header-height: 82px;
  --max-width: 1220px;
  --shadow: 0 24px 60px rgba(3, 30, 44, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(22px, 4vw, 64px);
  color: var(--white);
  background: rgba(4, 25, 39, 0.74);
  border-bottom: 1px solid rgba(255,255,255,0.13);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  width: 42px;
  height: 42px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.46);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after,
.brand-wave {
  content: "";
  position: absolute;
  left: -8px;
  width: 58px;
  height: 22px;
  border: 2px solid var(--aqua);
  border-color: var(--aqua) transparent transparent transparent;
  border-radius: 50%;
  transform: rotate(-8deg);
}

.brand-mark::before {
  top: 13px;
}

.brand-mark::after {
  top: 20px;
  opacity: 0.62;
}

.brand-wave {
  top: 6px;
  opacity: 0.33;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-text small {
  margin-top: 4px;
  color: rgba(255,255,255,0.7);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 34px);
}

.site-nav a {
  position: relative;
  text-decoration: none;
  color: rgba(255,255,255,0.82);
  font-size: 0.9rem;
  font-weight: 600;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--aqua);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 11px 16px;
  color: var(--white) !important;
  border: 1px solid rgba(255,255,255,0.48);
  border-radius: 999px;
}

.nav-cta:hover {
  background: var(--white);
  color: var(--navy) !important;
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  padding: 11px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 6px 0;
  background: var(--white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 70px) clamp(24px, 7vw, 110px) 70px;
  color: var(--white);
  background:
    radial-gradient(circle at 74% 25%, rgba(47,193,199,0.24), transparent 25%),
    linear-gradient(115deg, rgba(2,16,26,0.98) 10%, rgba(5,42,62,0.93) 58%, rgba(8,84,105,0.84) 100%),
    linear-gradient(180deg, #062233, #0b5d72);
}

.hero::before {
  content: "";
  position: absolute;
  right: -10vw;
  bottom: -34vh;
  width: 78vw;
  height: 78vw;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(255,255,255,0.025),
    0 0 0 140px rgba(255,255,255,0.018);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(255,255,255,0.04) 50%, transparent 50.2%);
  background-size: 180px 100%;
  opacity: 0.22;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to right, black, transparent 85%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(920px, 100%);
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

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

.hero h1 {
  max-width: 930px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 7vw, 6.7rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero h1 span {
  display: block;
  color: var(--seafoam);
}

.hero blockquote {
  max-width: 850px;
  margin: 35px 0 26px;
  padding-left: 22px;
  color: rgba(255,255,255,0.94);
  border-left: 3px solid var(--aqua);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2.3vw, 2rem);
  line-height: 1.45;
}

.hero-summary {
  max-width: 760px;
  color: rgba(255,255,255,0.72);
  font-size: 1.08rem;
}

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

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
  background: var(--aqua);
  color: var(--navy);
}

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

.button-secondary {
  color: var(--white);
  border-color: rgba(255,255,255,0.38);
  background: rgba(255,255,255,0.04);
}

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

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 860px;
  margin-top: 58px;
  border-top: 1px solid rgba(255,255,255,0.18);
}

.hero-facts div {
  padding: 22px 30px 5px 0;
}

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

.hero-facts strong {
  color: var(--seafoam);
  font-size: 0.83rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-facts span {
  margin-top: 7px;
  color: rgba(255,255,255,0.62);
  font-size: 0.84rem;
}

.scroll-cue {
  position: absolute;
  right: clamp(24px, 4vw, 64px);
  bottom: 38px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.55);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
  transform: rotate(90deg);
  transform-origin: right center;
}

.scroll-cue i {
  display: block;
  width: 44px;
  height: 1px;
  background: rgba(255,255,255,0.4);
}

.section {
  padding: 115px clamp(24px, 7vw, 110px);
}

.section > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  margin-bottom: 55px;
}

.section-heading h2 {
  max-width: 850px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 4.8vw, 4.7rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child:not(.eyebrow) {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading.light {
  color: var(--white);
}

.section-heading.light > p:last-child {
  color: rgba(255,255,255,0.66);
}

.intro-section {
  background: var(--off-white);
}

.intro-layout {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: clamp(35px, 8vw, 110px);
  align-items: start;
}

.intro-copy {
  max-width: 720px;
}

.intro-copy p {
  color: var(--muted);
  font-size: 1.04rem;
}

.intro-copy .lead {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 2.5vw, 2.15rem);
  line-height: 1.45;
}

.callout {
  position: relative;
  padding: 38px;
  color: var(--white);
  background: var(--navy-2);
  box-shadow: var(--shadow);
}

.callout-number {
  position: absolute;
  top: 18px;
  right: 24px;
  color: rgba(255,255,255,0.13);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4.7rem;
  line-height: 1;
}

.callout h3 {
  position: relative;
  margin: 25px 0 14px;
  font-size: 1.45rem;
}

.callout p {
  position: relative;
  color: rgba(255,255,255,0.68);
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,0.12);
  border-left: 1px solid rgba(255,255,255,0.12);
}

.feature-card {
  min-height: 290px;
  padding: 38px;
  border-right: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  transition: background 0.25s ease;
}

.feature-card:hover {
  background: rgba(255,255,255,0.035);
}

.feature-icon {
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.feature-card h3 {
  margin: 55px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.85rem;
  font-weight: 400;
}

.feature-card p {
  max-width: 470px;
  color: rgba(255,255,255,0.62);
}

.capability-list {
  border-top: 1px solid var(--line);
}

.capability-list article {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.capability-list article > span {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.capability-list h3 {
  margin: 0 0 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 400;
}

.capability-list p {
  margin: 0;
  color: var(--muted);
}

.partners-section {
  background: var(--sand);
}

.partner-bands {
  display: grid;
  gap: 10px;
}

.partner-bands div {
  display: grid;
  grid-template-columns: minmax(170px, 0.5fr) 1.5fr;
  gap: 25px;
  padding: 22px 26px;
  background: rgba(255,255,255,0.52);
  border-left: 4px solid var(--blue);
}

.partner-bands strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
}

.partner-bands span {
  color: #5c625f;
}

.roadmap-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(4,31,47,0.98), rgba(8,87,104,0.9)),
    var(--navy);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 39px;
  left: 3%;
  right: 3%;
  height: 1px;
  background: rgba(255,255,255,0.25);
}

.timeline article {
  position: relative;
  padding-top: 75px;
}

.timeline article::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 0;
  width: 15px;
  height: 15px;
  border: 3px solid var(--aqua);
  border-radius: 50%;
  background: var(--navy-2);
}

.timeline span {
  color: var(--aqua);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.timeline h3 {
  margin: 12px 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  font-weight: 400;
}

.timeline p {
  color: rgba(255,255,255,0.64);
}

.contact-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(40px, 8vw, 110px);
  align-items: center;
}

.contact-section > div {
  max-width: none;
}

.contact-section h2 {
  margin: 0 0 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 4vw, 4rem);
  font-weight: 400;
  line-height: 1.08;
}

.contact-section > div:first-child > p:last-child {
  color: var(--muted);
}

.contact-card {
  padding: 38px;
  color: var(--white);
  background: var(--navy);
  box-shadow: var(--shadow);
}

.contact-card h3 {
  margin-top: 0;
  font-size: 1.4rem;
}

.contact-card p {
  color: rgba(255,255,255,0.66);
}

.contact-card .button {
  margin-top: 10px;
}

footer {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 30px;
  padding: 42px clamp(24px, 7vw, 110px);
  color: rgba(255,255,255,0.75);
  background: #03131e;
}

footer strong {
  color: var(--white);
}

footer p {
  margin: 6px 0 0;
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  gap: 25px;
}

.footer-links a {
  text-decoration: none;
}

.copyright {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

@media (max-width: 1050px) {
  .menu-button {
    display: block;
    z-index: 1002;
  }

  .menu-button.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-button.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-button.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 18px;
    padding: 100px clamp(34px, 10vw, 120px);
    background:
      radial-gradient(circle at 75% 20%, rgba(47,193,199,0.2), transparent 28%),
      var(--navy);
    transform: translateX(100%);
    transition: transform 0.32s ease;
  }

  .site-nav.open {
    transform: translateX(0);
  }

  .site-nav a {
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.65rem, 5vw, 3rem);
    font-weight: 400;
  }

  .nav-cta {
    margin-top: 12px;
    font-family: "Segoe UI", Arial, sans-serif !important;
    font-size: 1rem !important;
  }

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

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

  .timeline::before {
    display: none;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 72px;
  }

  .site-header {
    padding-inline: 18px;
  }

  .brand-text small {
    max-width: 180px;
  }

  .hero {
    min-height: auto;
    padding-top: 130px;
    padding-bottom: 80px;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 13vw, 4.6rem);
  }

  .hero blockquote {
    font-size: 1.25rem;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .hero-facts div {
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }

  .scroll-cue {
    display: none;
  }

  .section {
    padding: 82px 22px;
  }

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

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

  .capability-list article {
    grid-template-columns: 46px 1fr;
    gap: 15px;
  }

  .partner-bands div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

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

  footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .copyright {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}