/* ===========================================================
   Estudio Polino — sitio institucional
   Identidad "carta náutica nocturna" (tokens del dashboard v2)
   =========================================================== */

:root {
  --ink:           #0A1628;
  --abyssal:       #112236;
  --rule:          #1F3550;
  --rule-soft:     #17283F;
  --chart-white:   #E8EEF5;
  --fog:           #7C90A8;
  --fog-dim:       #4A5C75;
  --amber:         #F4B73C;
  --amber-rgb:     244, 183, 60;
  --ais-green:     #3ECF8E;
  --buoy-red:      #E04338;
  --running-light: #5AB0FF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--chart-white);
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* Retícula de carta náutica */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--rule) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

a { color: var(--running-light); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 28px;
  border-bottom: 1px solid var(--rule);
  background: rgba(10, 22, 40, 0.94);
  backdrop-filter: blur(6px);
}

.brand {
  font-family: 'Boldonse', 'Inter', sans-serif;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--chart-white);
  display: flex;
  align-items: center;
  gap: 13px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }

.lozenge {
  width: 9px; height: 9px;
  flex-shrink: 0;
  background: var(--amber);
  transform: rotate(45deg);
  box-shadow: 0 0 6px rgba(var(--amber-rgb), 0.5);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px 22px;
  flex-wrap: wrap;
}
.main-nav a {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fog);
  padding: 10px 2px;
  border-bottom: 2px solid transparent;
  transition: color 140ms;
}
.main-nav a:hover { color: var(--chart-white); text-decoration: none; }
.main-nav a.active { color: var(--amber); border-bottom-color: var(--amber); }

.cta-track {
  background: var(--amber);
  color: var(--ink) !important;
  border-radius: 6px;
  padding: 10px 16px !important;
  font-weight: 700;
  border-bottom: none !important;
  box-shadow: 0 0 14px rgba(var(--amber-rgb), 0.25);
  transition: filter 140ms;
}
.cta-track:hover { filter: brightness(1.08); text-decoration: none; }

/* ---------- Layout ---------- */
.page {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 48px 28px 72px;
  flex: 1;
}

.section-label {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 48px 0 18px;
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

h1 {
  font-family: 'Boldonse', 'Inter', sans-serif;
  font-size: clamp(26px, 4.5vw, 42px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  font-weight: 400;
  margin-bottom: 18px;
}
h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
p { margin-bottom: 14px; }
.muted { color: var(--fog); }

/* ---------- Hero (inicio) ---------- */
.hero { padding: 26px 0 8px; }
.hero .kicker {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero .lead {
  max-width: 640px;
  color: var(--fog);
  font-size: 17px;
}

.formula {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: clamp(14px, 2.4vw, 18px);
  letter-spacing: 0.04em;
  background: var(--abyssal);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 22px 26px;
  margin: 30px 0;
  display: inline-block;
}
.formula .op { color: var(--amber); font-weight: 700; padding: 0 8px; }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 8px 0 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 6px;
  padding: 13px 20px;
  min-height: 46px;
  transition: filter 140ms, background 140ms;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn-amber {
  background: var(--amber);
  color: var(--ink);
  font-weight: 700;
  box-shadow: 0 0 16px rgba(var(--amber-rgb), 0.25);
}
.btn-ghost {
  border: 1px solid var(--rule);
  color: var(--chart-white);
  background: var(--abyssal);
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.card {
  background: var(--abyssal);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 20px 22px;
  display: block;
  color: var(--chart-white);
  transition: border-color 140ms, box-shadow 140ms;
}
a.card:hover {
  text-decoration: none;
  border-color: var(--amber);
  box-shadow: 0 0 18px rgba(var(--amber-rgb), 0.18);
}
.card h3 {
  font-size: 15.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.card .card-tag {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 10px;
}
.card p { color: var(--fog); font-size: 14px; margin: 0; }

/* Bloque destacado tracking */
.tracking-panel {
  background: linear-gradient(135deg, var(--abyssal) 0%, #0E2A3E 100%);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--ais-green);
  border-radius: 10px;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}
.tracking-panel h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.tracking-panel p { color: var(--fog); margin: 0; max-width: 520px; }
.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ais-green);
  box-shadow: 0 0 8px var(--ais-green);
  animation: blink 2.4s infinite;
  flex-shrink: 0;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Servicios ---------- */
.service-list { list-style: none; }
.service-list li {
  padding: 12px 0 12px 26px;
  position: relative;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--chart-white);
}
.service-list li:last-child { border-bottom: none; }
.service-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 21px;
  width: 7px; height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
  opacity: 0.85;
}
.service-list strong { color: var(--chart-white); }
.service-list .detail { color: var(--fog); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  border: 1px solid var(--rule);
  background: var(--abyssal);
  border-radius: 999px;
  padding: 9px 16px;
  color: var(--chart-white);
}

/* ---------- Contenedores ---------- */
.container-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.container-card {
  background: var(--abyssal);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 20px 22px;
}
.container-card h3 {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--amber);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule-soft);
}
.spec-group { margin-bottom: 12px; }
.spec-group:last-child { margin-bottom: 0; }
.spec-group h4 {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog);
  margin-bottom: 6px;
  font-weight: 500;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  padding: 3px 0;
}
.spec-row .k { color: var(--fog); }
.spec-row .v { color: var(--chart-white); text-align: right; }

/* ---------- Diccionario ---------- */
.letter-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 10px;
}
.letter-index a {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 13px;
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--abyssal);
  color: var(--chart-white);
}
.letter-index a:hover { border-color: var(--amber); text-decoration: none; }

.letter-block { margin-bottom: 8px; }
.letter-block h2 {
  font-family: 'Boldonse', 'Inter', sans-serif;
  font-weight: 400;
  font-size: 26px;
  color: var(--amber);
  margin: 40px 0 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  scroll-margin-top: 90px;
}
.letter-block h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}
dl.terms dt {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--chart-white);
  font-weight: 500;
  margin-top: 14px;
}
dl.terms dd {
  color: var(--fog);
  margin: 2px 0 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--rule-soft);
}
dl.terms dd ul { list-style: none; margin-top: 4px; }
dl.terms dd ul li { padding: 1px 0; }

/* ---------- Incoterms ---------- */
.incoterm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.incoterm-card {
  background: var(--abyssal);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 20px 22px;
}
.incoterm-card .code {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--amber);
  border-radius: 5px;
  padding: 3px 10px;
  display: inline-block;
  margin-bottom: 10px;
}
.incoterm-card h3 {
  font-size: 14.5px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--chart-white);
}
.incoterm-card p { color: var(--fog); font-size: 14px; margin: 0; }

/* ---------- Mercosur ---------- */
.norma {
  background: var(--abyssal);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 22px 24px;
  margin-bottom: 16px;
}
.norma .num {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  color: var(--amber);
  font-weight: 700;
  margin-right: 8px;
}
.norma p { margin-bottom: 10px; }
.norma .req {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--running-light);
  background: var(--ink);
  border: 1px solid var(--rule-soft);
  border-radius: 6px;
  padding: 10px 14px;
  display: block;
  margin: 0;
}
.norma .req-label {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog);
  display: block;
  margin-bottom: 6px;
}
.norma .sub { margin-left: 20px; margin-top: 14px; }

/* ---------- Contacto ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: start;
}
.contact-form {
  background: var(--abyssal);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 28px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog);
  margin-bottom: 7px;
}
.field label .req-star { color: var(--amber); }
.field input,
.field textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--chart-white);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  padding: 12px 14px;
  min-height: 46px;
  transition: border-color 140ms;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus,
.field textarea:focus {
  border-color: var(--amber);
  outline: none;
}
.contact-form button[type="submit"] {
  background: var(--amber);
  color: var(--ink);
  border: 0;
  border-radius: 6px;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 14px 26px;
  min-height: 48px;
  cursor: pointer;
  box-shadow: 0 0 16px rgba(var(--amber-rgb), 0.25);
  transition: filter 140ms;
}
.contact-form button[type="submit"]:hover { filter: brightness(1.08); }
.form-note { font-size: 13px; color: var(--fog); margin-top: 14px; }

.contact-data .card { margin-bottom: 16px; }
.contact-data .datum {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 13.5px;
  color: var(--chart-white);
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--rule);
  background: rgba(10, 22, 40, 0.9);
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  flex-wrap: wrap;
}
.foot-brand {
  font-family: 'Boldonse', 'Inter', sans-serif;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--chart-white);
}
.foot-brand .tagline {
  font-family: 'Inter', sans-serif;
  color: var(--fog);
  font-style: italic;
  letter-spacing: 0;
}
.foot-data {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  font-size: 12px;
  color: var(--fog);
  text-align: right;
  line-height: 1.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .contact-layout { grid-template-columns: 1fr; }
  .foot-data { text-align: left; }
}

@media (max-width: 540px) {
  .site-header { padding: 12px 18px; justify-content: center; }
  .main-nav { justify-content: center; gap: 2px 16px; }
  .page { padding: 32px 18px 56px; }
  .tracking-panel { padding: 22px 20px; }
  .formula { padding: 16px 18px; }
  .site-footer { justify-content: center; text-align: center; }
  .foot-data { text-align: center; }
}