/* ==========================================================================
   CARGO MARINE INSPECTORS S.A.S. (CMI) — Design system
   Tokens per spec §3. 65% carbón/blanco · 25% gris · 10% cian (solo acentos).
   ========================================================================== */

:root {
  --color-carbon: #353535;
  --color-cyan: #10B5D5;
  --color-gray: #B2B2B2;
  --color-gray-light: #F2F2F2;
  --color-white: #FFFFFF;
  --color-text-dark: #222222;
  --color-text-muted: #8A8A8A;

  --font-heading: 'Oswald', 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', 'Source Sans 3', sans-serif;

  --radius: 6px;

  --container-w: 1200px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background: var(--color-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  color: var(--color-carbon);
}
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-2); }
.lead { font-size: 1.15rem; color: var(--color-text-muted); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-1);
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.section { padding: var(--space-6) 0; }
.section--alt { background: var(--color-gray-light); }
.section--carbon { background: var(--color-carbon); color: var(--color-white); }
.section--carbon h1, .section--carbon h2, .section--carbon h3 { color: var(--color-white); }

.center { text-align: center; }
.section-head { max-width: 640px; margin: 0 auto var(--space-5); }
.section-head.left { margin: 0 0 var(--space-5); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--color-cyan); color: var(--color-carbon); }
.btn-primary:hover { background: #0d99b5; }
.btn-secondary { border-color: var(--color-white); color: var(--color-white); }
.btn-secondary:hover { background: rgba(255,255,255,0.12); }
.btn-outline-dark { border-color: var(--color-carbon); color: var(--color-carbon); }
.btn-outline-dark:hover { background: var(--color-carbon); color: var(--color-white); }
.btn-whatsapp { background: #25D366; color: var(--color-white); }
.btn-whatsapp:hover { background: #1ebe5b; }
.btn-whatsapp svg { width: 22px; height: 22px; fill: #fff; flex-shrink: 0; }

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: inherit;
}
.whatsapp-link svg { width: 24px; height: 24px; padding: 4px; box-sizing: border-box; border-radius: 50%; background: #25D366; fill: #fff; flex-shrink: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-light);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo { display: flex; flex-direction: column; line-height: 1.05; max-width: 260px; }
.logo-img { height: 44px; width: auto; display: block; }
.logo .mark {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(0.85rem, 2.4vw, 1.2rem);
  text-transform: uppercase;
  color: var(--color-carbon);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo .mark span { color: var(--color-cyan); }
.logo .sub {
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.main-nav { display: flex; align-items: center; gap: var(--space-4); }
.main-nav ul { display: flex; gap: var(--space-3); }
.main-nav a.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-carbon);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
}
.main-nav a.nav-link:hover,
.main-nav a.nav-link.active { border-bottom-color: var(--color-cyan); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-carbon); }

/* ---------- Language switch ---------- */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}
.lang-switch a {
  color: var(--color-text-muted);
  padding: 2px 3px;
}
.lang-switch a.active {
  color: var(--color-carbon);
  border-bottom: 2px solid var(--color-cyan);
}
.lang-switch a:hover { color: var(--color-carbon); }
.lang-switch .sep { color: var(--color-gray); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    gap: var(--space-3);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; gap: var(--space-2); }
  .main-nav .btn { align-self: flex-start; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-carbon);
  background-size: cover;
  background-position: center;
  color: var(--color-white);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(53,53,53,0.35) 0%, rgba(53,53,53,0.85) 100%);
}
.hero-inner { position: relative; z-index: 1; padding-bottom: var(--space-6); }
.hero-inner .eyebrow { color: var(--color-cyan); }
.hero-inner h1 { color: var(--color-white); max-width: 820px; }
.hero-inner .support-line {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-gray);
  margin-bottom: var(--space-2);
}
.hero-inner .body-line { max-width: 560px; color: #E5E5E5; }
.hero-ctas { display: flex; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }

.hero--service { min-height: 52vh; }
.hero--home::before { background: linear-gradient(180deg, rgba(0,0,0,0) 25%, rgba(20,20,20,0.62) 100%); }


/* image hooks — fotos operacionales reales (extraídas del perfil corporativo) */
.hero--home {
  background-image: url('../images/home-hero.jpg');
}
@media (max-width: 700px) {
  .hero--home { background-image: url('../images/deck-lines-cubierta.jpg'); }
}
/* héroes de las páginas de servicio: sin foto por ahora (solo Home usa foto) */
.photo-block--team { background-image: url('../images/line-equipment-check.jpg'); }
.photo-block--valve { background-image: url('../images/valve-sample-check.jpg'); }
.photo-block--field { background-image: url('../images/field-measurement.jpg'); }
.photo-block--mersin { background-image: url('../images/mersin-express-terminal.jpg'); }
.photo-block--cape { background-image: url('../images/cape-sable-loading.jpg'); }

/* ---------- Photo blocks (non-hero) ---------- */
.photo-block {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--color-gray-light);
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
}
.photo-block--tall { aspect-ratio: 3 / 4; }

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}
@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.service-card:hover { border-color: var(--color-cyan); transform: translateY(-2px); }
.service-card .num {
  font-family: var(--font-heading);
  color: var(--color-cyan);
  font-size: 0.85rem;
  margin-bottom: var(--space-1);
}
.service-card h3 { margin-bottom: var(--space-1); }
.service-card p { font-size: 0.92rem; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.service-card .link { font-family: var(--font-heading); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-carbon); }
.service-card .link::after { content: ' \2192'; color: var(--color-cyan); }

/* ---------- Differentiators ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 700px) {
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .diff-grid { grid-template-columns: repeat(4, 1fr); }
}
.diff-item { border-top: 3px solid var(--color-cyan); padding-top: var(--space-2); }
.diff-item h3 { font-size: 1.05rem; }
.diff-item p { color: var(--color-text-muted); font-size: 0.92rem; }

/* ---------- Audience grid ---------- */
.audience-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.audience-chip {
  border: 1px solid var(--color-gray);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: var(--color-carbon);
}

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: var(--space-3); }
@media (min-width: 700px) {
  .steps--4 { grid-template-columns: repeat(4, 1fr); }
  .steps--8 { grid-template-columns: repeat(2, 1fr); }
}
.step { position: relative; padding-left: 48px; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-carbon);
  color: var(--color-cyan);
  font-family: var(--font-heading);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
}
.step h3 { font-size: 1rem; margin-bottom: 4px; }
.step p { font-size: 0.9rem; color: var(--color-text-muted); margin: 0; }

/* ---------- Quote block ---------- */
.quote-block {
  border-left: 3px solid var(--color-cyan);
  padding-left: var(--space-3);
  margin: var(--space-4) 0;
}
.quote-block p {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  text-transform: none;
  color: var(--color-carbon);
  font-style: italic;
  margin-bottom: var(--space-2);
}
.quote-block cite { font-size: 0.85rem; color: var(--color-text-muted); font-style: normal; }

/* ---------- Two-column layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split.reverse .split-media { order: 2; }
}

/* ---------- CTA banner ---------- */
.cta-banner { text-align: center; }
.cta-banner .contact-line { margin-top: var(--space-2); color: var(--color-gray); font-size: 0.95rem; }

/* ---------- Mapa de puertos ---------- */
.coverage-map {
  height: 440px;
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-gray-light);
  z-index: 0;
}
@media (max-width: 700px) { .coverage-map { height: 340px; } }
.map-pin { background: none; border: none; }
.map-pin span {
  display: block;
  width: 28px;
  height: 28px;
  background: var(--color-cyan);
  border: 3px solid var(--color-carbon);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}
.map-pin span::after {
  content: '';
  position: absolute;
  top: 6px; left: 6px;
  width: 8px; height: 8px;
  background: var(--color-white);
  border-radius: 50%;
}
.leaflet-tooltip.map-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-carbon);
  border: none;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}

/* ---------- Licencias y vigilancia ---------- */
.license-grid.license-grid--single { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
.license-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 700px) {
  .license-grid { grid-template-columns: repeat(2, 1fr); }
}
.license-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
  padding: var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius);
}
.license-card img { max-height: 60px; max-width: 100%; width: auto; }
.license-card .license-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-carbon);
  text-align: center;
}

/* ---------- Clientes ---------- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
@media (min-width: 700px) {
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
}
.client-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius);
}
.client-logo-card img {
  max-height: 64px;
  max-width: 100%;
  width: auto;
}
.client-logo-placeholder {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---------- Coverage / cards list ---------- */
.coverage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 800px) {
  .coverage-grid { grid-template-columns: repeat(3, 1fr); }
}
.coverage-card {
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.coverage-card .country { font-family: var(--font-heading); text-transform: uppercase; color: var(--color-cyan); font-size: 0.85rem; margin-bottom: var(--space-1); }
.coverage-card ul li { padding: 4px 0; border-bottom: 1px solid var(--color-gray-light); font-size: 0.92rem; }
.coverage-card ul li:last-child { border-bottom: none; }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: var(--space-2); max-width: 640px; }
.form-grid label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--color-carbon);
}
.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-gray);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-white);
}
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus { outline: 2px solid var(--color-cyan); border-color: var(--color-cyan); }
.form-row { display: grid; gap: var(--space-2); }
@media (min-width: 700px) { .form-row--2 { grid-template-columns: 1fr 1fr; } }

.contact-info-card {
  background: var(--color-gray-light);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.contact-info-card .item { margin-bottom: var(--space-2); }
.contact-info-card .item .label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-cyan);
  display: block;
  margin-bottom: 2px;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--color-carbon); color: var(--color-gray); padding: var(--space-5) 0 var(--space-3); }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-grid .logo .mark { color: var(--color-white); }
.footer-grid .logo .sub { color: var(--color-gray); }
.footer-grid p { color: var(--color-gray); font-size: 0.9rem; }
.footer-col h4 {
  color: var(--color-white);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; color: var(--color-gray); }
.footer-col a:hover { color: var(--color-cyan); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-3);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.text-muted { color: var(--color-text-muted); }