/* ===== Tokens ===== */
:root {
  /* Brand palette from the MAREX logo */
  --navy: #1B274F;
  --navy-dark: #121E43;
  --blue: #4C79BE;
  --blue-dark: #36579D;
  --blue-soft: #E9EFF8;
  --red: #CC2026;
  --ink: #121E43;
  --text: #46566A;
  --muted: #5F6E80;
  --line: #E3E8EE;
  --bg: #FFFFFF;
  --bg-alt: #F5F7FB;
  --error: #C4302B;
  --success: #1F7A4D;

  --west: #CC2026;
  --central: #1B274F;
  --east: #4C79BE;
  --orinoco: #E08A1E;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(15, 27, 42, .04), 0 8px 24px rgba(15, 27, 42, .06);
  --shadow-lg: 0 2px 4px rgba(15, 27, 42, .04), 0 16px 40px rgba(15, 27, 42, .10);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Montserrat", var(--font);
  --container: 1120px;
  --gutter: 16px;
  --header-h: 84px;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .5em;
  letter-spacing: -.02em;
}

h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }

p { margin: 0 0 1em; }
a { color: var(--navy); }
img, svg { display: block; max-width: 100%; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: calc(780px + var(--gutter) * 2); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font: 600 1rem/1 var(--font);
  text-decoration: none;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); box-shadow: 0 8px 20px rgba(76, 121, 190, .25); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--blue-dark); color: var(--blue-dark); }
.btn--sm { padding: 10px 18px; font-size: .9rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

/* ===== Header ===== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.header.is-scrolled { border-color: var(--line); box-shadow: 0 2px 12px rgba(15, 27, 42, .04); }

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: inline-flex; }
.logo img { height: 52px; width: auto; }
@media (min-width: 860px) { .logo img { height: 64px; } }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-toggle span {
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px var(--gutter) 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, transform .2s, visibility .2s;
}
.nav.is-open { transform: none; opacity: 1; visibility: visible; }
.nav ul { list-style: none; margin: 0 0 8px; padding: 0; }
.nav ul a {
  display: block;
  padding: 12px 4px;
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.nav ul a:hover { color: var(--blue-dark); }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .nav {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 28px;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav ul { display: flex; gap: 28px; margin: 0; }
  .nav ul a { padding: 6px 0; border: 0; font-size: .95rem; color: var(--text); }
}

/* ===== Hero ===== */
.hero {
  padding: calc(var(--header-h) + 48px) 0 64px;
  background:
    radial-gradient(900px 400px at 85% 0%, var(--blue-soft), transparent 70%),
    var(--bg);
}
.hero__inner {
  display: grid;
  gap: 40px;
  align-items: center;
}
.lead { font-size: 1.15rem; max-width: 34em; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
}
.badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 0 rgba(76, 121, 190, .5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 8px rgba(76, 121, 190, 0); }
  100% { box-shadow: 0 0 0 0 rgba(76, 121, 190, 0); }
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 40px; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  list-style: none;
  margin: 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.hero__stats strong { display: block; font-size: 1.5rem; color: var(--ink); letter-spacing: -.02em; }
.hero__stats span { font-size: .9rem; color: var(--muted); }

.hero__photo { position: relative; margin: 0 12px 12px 0; isolation: isolate; }
.hero__photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
/* Red accent block echoing the logo ring */
.hero__photo::before {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 45%;
  height: 45%;
  background: var(--red);
  border-radius: var(--radius);
  z-index: -1;
}

@media (min-width: 900px) {
  .hero { padding: calc(var(--header-h) + 80px) 0 96px; }
  .hero__inner { grid-template-columns: 1.05fr 1fr; gap: 56px; }
}

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section--alt { background: var(--bg-alt); }

.section__head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section__head--left { margin-left: 0; text-align: left; }

.eyebrow {
  margin-bottom: 10px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--red);
}

@media (min-width: 900px) {
  .section { padding: 112px 0; }
}

/* ===== Service cards ===== */
.cards { display: grid; gap: 20px; }
@media (min-width: 760px) { .cards { grid-template-columns: repeat(3, 1fr); gap: 24px; } }

.card {
  overflow: hidden;
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: box-shadow .25s, transform .25s, border-color .25s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }

.card__img {
  width: calc(100% + 56px);
  max-width: none;
  height: auto;
  margin: -32px -28px 0;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: -28px 0 18px;
  border: 4px solid #fff;
  border-radius: 14px;
  background: var(--blue-soft);
}
.card__icon svg, .benefits svg, .contact__list svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--navy);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card__list { list-style: none; margin: 20px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); }
.card__list li { position: relative; padding-left: 24px; margin-bottom: 8px; font-size: .95rem; }
.card__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .45em;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(-45deg);
}

.benefits {
  display: grid;
  gap: 24px;
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
}
@media (min-width: 600px) { .benefits { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .benefits { grid-template-columns: repeat(4, 1fr); } }
.benefits li { display: flex; gap: 14px; align-items: flex-start; }
.benefits svg { flex-shrink: 0; stroke: var(--blue); }
.benefits strong { display: block; color: var(--ink); }
.benefits span { font-size: .92rem; }

/* ===== Ports ===== */
.ports { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .ports { grid-template-columns: 1fr 1.1fr; gap: 64px; } }
.ports .section__head { margin-bottom: 32px; }

.regions { display: grid; gap: 12px; }
@media (min-width: 520px) { .regions { grid-template-columns: repeat(2, 1fr); } }

.region {
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.region h3 { display: flex; align-items: center; gap: 10px; font-size: 1rem; margin-bottom: 4px; }
.region p { margin: 0; font-size: .92rem; }
.region .region__note { margin-top: 6px; font-size: .85rem; color: var(--muted); }

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot--west { background: var(--west); }
.dot--central { background: var(--central); }
.dot--east { background: var(--east); }
.dot--orinoco { background: var(--orinoco); }

.map {
  margin: 0;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.map svg { width: 100%; height: auto; overflow: visible; }
.map__land { fill: #E6EEF5; stroke: #B9CADB; stroke-width: 1.5; stroke-linejoin: round; }
.map__lake { fill: #fff; stroke: #B9CADB; stroke-width: 1.2; }
.map__river { fill: none; stroke: #9FC3E0; stroke-width: 2; stroke-linecap: round; }
.map__pin circle { stroke: #fff; stroke-width: 2.5; }
.pin--west circle { fill: var(--west); }
.pin--central circle { fill: var(--central); }
.pin--east circle { fill: var(--east); }
.pin--orinoco circle { fill: var(--orinoco); }
.map__label text { font: 600 10px var(--font); fill: var(--ink); paint-order: stroke; stroke: #fff; stroke-width: 3px; }
/* Labels get too small to read on phones; the region cards already name the ports */
@media (max-width: 519px) { .map__label { display: none; } }

/* ===== CTA band ===== */
.cta {
  padding: 96px 0;
  color: #D5DEEC;
  text-align: center;
  background:
    linear-gradient(rgba(18, 30, 67, .74), rgba(18, 30, 67, .84)),
    url("assets/img/cta-sunset.jpg") center / cover;
}
.cta h2 { color: #fff; }
.cta p { max-width: 36em; margin: 0 auto 28px; font-size: 1.1rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--blue-soft); }
.btn--outline-light { color: #fff; border-color: rgba(255, 255, 255, .6); }
.btn--outline-light:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }

/* ===== FAQ ===== */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  position: relative;
  padding: 22px 48px 22px 0;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -7px;
  border-right: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
  transform: rotate(45deg);
  transition: transform .25s;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq summary:hover { color: var(--blue-dark); }
.faq details p { padding: 0 48px 22px 0; margin: 0; }

/* ===== Contact ===== */
.contact { display: grid; gap: 40px; }
@media (min-width: 900px) { .contact { grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; } }

.contact__list { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 16px; }
.contact__list li { display: flex; align-items: center; gap: 14px; }
.contact__list svg { padding: 10px; width: 44px; height: 44px; background: #fff; border: 1px solid var(--line); border-radius: 50%; }
.contact__list a { color: var(--ink); font-weight: 500; text-decoration: none; }
.contact__list a:hover { color: var(--blue-dark); }

.form {
  padding: 28px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
@media (min-width: 600px) { .form { padding: 36px; } }

.form__row { display: grid; gap: 0 16px; }
@media (min-width: 600px) { .form__row { grid-template-columns: 1fr 1fr; } }

.field { margin-bottom: 18px; }
.field label { display: block; margin-bottom: 6px; font-size: .9rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(76, 121, 190, .15);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--error); }
.field__error { margin: 6px 0 0; font-size: .85rem; color: var(--error); min-height: 0; }
.field__error:empty { display: none; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form__status { margin: 14px 0 0; font-size: .95rem; font-weight: 500; text-align: center; }
.form__status:empty { display: none; }
.form__status.is-success { color: var(--success); }
.form__status.is-error { color: var(--error); }

/* ===== Footer ===== */
.footer { background: var(--navy-dark); color: #B7C6D6; padding: 64px 0 0; font-size: .95rem; }
.footer__inner { display: grid; gap: 32px; padding-bottom: 40px; }
@media (min-width: 760px) { .footer__inner { grid-template-columns: 1.5fr 1fr 1.2fr; } }
.footer h3 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer a { color: #B7C6D6; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer .logo { margin-bottom: 16px; }
.footer .logo img { height: 90px; }
.footer__bottom { padding-top: 24px; padding-bottom: 24px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .85rem; }
.footer__bottom p { margin: 0; }

/* ===== Reveal on scroll ===== */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}