/* ============================================================
   PUERTO SEGURO — Sistema de diseño
   Estética: cartografía náutica editorial.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* Color */
  --ink:        #14232F;
  --ink-soft:   #3C4E5A;
  --navy-deep:  #0E1B26;
  --navy-mid:   #16303F;
  --paper:      #F4F6F4;
  --paper-card: #FFFFFF;
  --line:       #D8DED9;
  --ochre:      #B8863A;
  --ochre-dark: #93692A;
  --teal:       #2F6E67;
  --teal-soft:  #E4EEEC;
  --rose:       #8C3B4A;
  --rose-soft:  #F3E4E6;
  --map-blue:      #33628C;
  --map-blue-soft: #E2EAF1;

  /* Type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;

  --radius: 3px;
  --max-w: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1100px 480px at 12% -8%, rgba(184,134,58,0.10), transparent 60%),
    radial-gradient(1000px 460px at 100% 0%, rgba(47,110,103,0.12), transparent 55%),
    linear-gradient(180deg, #E8F1EE 0%, #F1EFE6 55%, #EDF2EE 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.brand-strip{
  height: 4px;
  background: linear-gradient(90deg, var(--ochre) 0%, var(--rose) 34%, var(--map-blue) 67%, var(--teal) 100%);
}
img{ max-width: 100%; display: block; }
a{ color: var(--teal); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--ochre);
  outline-offset: 3px;
}

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

/* ---------- Type ---------- */
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  color: var(--navy-deep);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.4rem, 5vw, 4rem); }
h2{ font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3{ font-size: clamp(1.25rem, 2vw, 1.5rem); }
p{ margin: 0 0 var(--space-2); color: var(--ink-soft); }
.lede{ font-size: 1.2rem; color: var(--ink-soft); max-width: 62ch; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ochre-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: var(--space-2);
}
.eyebrow::before{
  content: '';
  width: 18px;
  height: 1px;
  background: var(--ochre-dark);
  display: inline-block;
}

/* ---------- Header ---------- */
.site-header{
  background: var(--navy-deep);
  color: #EDEFEA;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.brand{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: #F4F6F4;
}
.brand svg{ flex-shrink: 0; }
.brand:hover{ text-decoration: none; opacity: 0.9; }

.main-nav{ display: flex; align-items: center; gap: var(--space-4); }
.main-nav ul{
  list-style: none;
  display: flex;
  gap: var(--space-3);
  margin: 0; padding: 0;
}
.main-nav a{
  color: #C9D2CE;
  font-size: 0.94rem;
  font-weight: 500;
}
.main-nav a:hover{ color: #fff; text-decoration: none; }
.main-nav a.active{ color: var(--ochre); }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid #3A4C58;
  border-radius: var(--radius);
  color: #EDEFEA;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.94rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color .15s ease;
}
.btn:hover{ text-decoration: none; transform: translateY(-1px); }
.btn-primary{ background: var(--ochre); color: #1A1305; }
.btn-primary:hover{ background: var(--ochre-dark); color: #fff; }
.btn-ghost{ background: transparent; border-color: #3A4C58; color: #EDEFEA; }
.btn-ghost:hover{ border-color: var(--ochre); }
.btn-outline{ background: transparent; border-color: var(--teal); color: var(--teal); }
.btn-outline:hover{ background: var(--teal); color: #fff; }

/* ---------- Hero ---------- */
.hero{
  background: var(--navy-deep);
  color: #EDEFEA;
  position: relative;
  overflow: hidden;
  padding: var(--space-6) 0 var(--space-5);
}
.hero .wrap{
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4);
  align-items: center;
}
.hero h1{ color: #fff; }
.hero .lede{ color: #B9C3BF; }
.hero-actions{ display: flex; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }
.hero-coords{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #7C8D96;
  margin-top: var(--space-4);
  letter-spacing: 0.04em;
}
.hero-route{ position: relative; }
.hero-route svg{ width: 100%; height: auto; }

/* ---------- Sections ---------- */
section{ padding: var(--space-5) 0; }
.section-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.section-alt{ background: var(--paper-card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- Trust strip ---------- */
.trust-strip{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) 0;
}
.trust-item{
  border-left: 2px solid var(--ochre);
  padding-left: var(--space-2);
}
.trust-item .num{
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--navy-deep);
  display: block;
}
.trust-item .label{ font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Cards / grid ---------- */
.grid-articles{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.card{
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover{ border-color: var(--ochre); transform: translateY(-2px); }
.card .tag{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--teal);
  background: var(--teal-soft);
  display: inline-block;
  padding: 0.25em 0.6em;
  border-radius: 2px;
  margin-bottom: var(--space-2);
  width: fit-content;
}
.tag-ochre{ color: #6E4C1E; background: rgba(184,134,58,0.14); }
.tag-teal{ color: var(--teal); background: var(--teal-soft); }
.tag-rose{ color: var(--rose); background: var(--rose-soft); }
.tag-blue{ color: var(--map-blue); background: var(--map-blue-soft); }
.card h3{ margin-bottom: 0.5rem; }
.card h3 a{ color: var(--navy-deep); }
.card h3 a:hover{ text-decoration: none; color: var(--ochre-dark); }
.card p{ font-size: 0.95rem; flex-grow: 1; }
.card .read-more{
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ochre-dark);
  margin-top: var(--space-2);
}

/* ---------- Two column feature ---------- */
.feature{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-4);
  align-items: center;
}
.feature-list{ list-style: none; padding: 0; margin: var(--space-2) 0; }
.feature-list li{
  display: flex;
  gap: 0.7rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.feature-list li:last-child{ border-bottom: none; }
.feature-list svg{ flex-shrink: 0; margin-top: 3px; color: var(--teal); }

/* ---------- Newsletter / contact panel ---------- */
.signal-panel{
  background: var(--navy-deep);
  color: #EDEFEA;
  border-radius: var(--radius);
  padding: var(--space-4);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
}
.signal-panel h2{ color: #fff; }
.signal-panel .lede{ color: #B9C3BF; }
.form-row{ display: flex; gap: 0.6rem; flex-wrap: wrap; }
input, textarea, select{
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid #3A4C58;
  background: #0A141C;
  color: #EDEFEA;
  width: 100%;
}
input::placeholder, textarea::placeholder{ color: #8798A0; }
label{ font-size: 0.85rem; color: #B9C3BF; display: block; margin-bottom: 0.35rem; }
.form-note{ font-size: 0.8rem; color: #7C8D96; margin-top: 0.5rem; }

/* light contact form (used on contacto.html) */
.contact-card{
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
}
.contact-card label{ color: var(--ink-soft); }
.contact-card input, .contact-card textarea{
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
}
.contact-card input::placeholder, .contact-card textarea::placeholder{ color: #5A6870; }
.field{ margin-bottom: var(--space-2); }
.success-msg{
  display: none;
  background: var(--teal-soft);
  border: 1px solid var(--teal);
  color: var(--teal);
  padding: var(--space-2);
  border-radius: var(--radius);
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
}
.success-msg.show{ display: block; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--navy-deep);
  color: #9CACB2;
  padding: var(--space-5) 0 var(--space-3);
  margin-top: var(--space-5);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid #24333D;
}
.footer-grid h4{ color: #EDEFEA; font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.footer-grid ul{ list-style: none; padding: 0; margin: 0; }
.footer-grid li{ margin-bottom: 0.55rem; }
.footer-grid a{ color: #9CACB2; font-size: 0.9rem; }
.footer-grid a:hover{ color: var(--ochre); text-decoration: none; }
.footer-brand p{ color: #7C8D96; font-size: 0.88rem; max-width: 32ch; }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  font-size: 0.8rem;
  color: #93A0A6;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.disclaimer-strip{
  background: #0A141C;
  color: #7C8D96;
  font-size: 0.78rem;
  padding: 0.8rem 0;
  text-align: center;
}
.disclaimer-strip .wrap{ max-width: 900px; }

/* ---------- Article page ---------- */
.article-header{
  background: var(--navy-deep);
  color: #EDEFEA;
  padding: var(--space-5) 0 var(--space-4);
}
.article-header .wrap{ max-width: 780px; }
.article-header .lede{ color: #B9C3BF; }
.meta-row{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #7C8D96;
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}
.article-body{
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
}
.article-body h2{ margin-top: var(--space-4); font-size: 1.5rem; }
.article-body h3{ margin-top: var(--space-3); font-size: 1.15rem; }
.article-body p{ color: var(--ink); font-size: 1.05rem; }
.article-body ul, .article-body ol{ color: var(--ink); font-size: 1.05rem; padding-left: 1.3rem; }
.article-body li{ margin-bottom: 0.4rem; }
.pullquote{
  border-left: 3px solid var(--ochre);
  padding: 0.3rem 0 0.3rem var(--space-3);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--navy-deep);
  margin: var(--space-3) 0;
}
.callout{
  background: var(--teal-soft);
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin: var(--space-3) 0;
}
.callout p:last-child{ margin-bottom: 0; }
.callout .eyebrow{ color: var(--teal); }
.callout .eyebrow::before{ background: var(--teal); }
.author-box{
  display: flex;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: var(--space-4) 0;
}
.author-avatar{
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--teal);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600;
  flex-shrink: 0;
}
.author-box .author-name{ font-weight: 600; color: var(--navy-deep); font-size: 0.92rem; }
.author-box .author-role{ font-size: 0.82rem; color: var(--ink-soft); }
.related-strip{ background: var(--paper-card); border-top: 1px solid var(--line); padding: var(--space-5) 0; }

/* ---------- Legal pages ---------- */
.legal-body{ max-width: 760px; margin: 0 auto; padding: var(--space-5) var(--space-3); }
.legal-body h2{ margin-top: var(--space-4); font-size: 1.3rem; }
.legal-body p, .legal-body li{ color: var(--ink-soft); font-size: 0.98rem; }
.legal-updated{ font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- Utility ---------- */
.text-center{ text-align: center; }
.mt-0{ margin-top: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .hero-route{ order: -1; }
  .feature{ grid-template-columns: 1fr; }
  .signal-panel{ grid-template-columns: 1fr; }
  .grid-articles{ grid-template-columns: repeat(2, 1fr); }
  .trust-strip{ grid-template-columns: repeat(2, 1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px){
  .main-nav ul{
    position: fixed; inset: 0 0 0 30%;
    background: var(--navy-deep);
    flex-direction: column;
    padding: 5rem var(--space-3) var(--space-3);
    transform: translateX(100%);
    transition: transform .25s ease;
    z-index: 40;
  }
  .main-nav ul.open{ transform: translateX(0); }
  .main-nav .btn-primary{ display: none; }
  .nav-toggle{ display: inline-flex; }
  .grid-articles{ grid-template-columns: 1fr; }
  .trust-strip{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .hero{ padding: var(--space-5) 0 var(--space-4); }
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
.reveal-stagger > *{ transition-delay: calc(var(--i, 0) * 70ms); }

/* ---------- Reading progress bar ---------- */
.progress-bar{
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--ochre);
  z-index: 100;
  transition: width 0.1s ease-out;
}

/* ---------- Trust strip icons ---------- */
.trust-item{ display: flex; gap: 0.8rem; align-items: flex-start; border-left: none; padding-left: 0; }
.trust-item .icon{
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--teal-soft);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
}
.trust-item .num{ display: block; }

/* ---------- Featured (hero) article card ---------- */
.featured-card{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
  background: var(--navy-deep);
  border-radius: var(--radius);
  padding: var(--space-4);
  color: #EDEFEA;
  overflow: hidden;
  position: relative;
}
.featured-card .badge{
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--ochre);
  color: #1A1305;
  padding: 0.3em 0.7em;
  border-radius: 2px;
  margin-bottom: var(--space-2);
  width: fit-content;
}
.featured-card h3{ color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.featured-card p{ color: #B9C3BF; }
.featured-visual svg{ width: 100%; height: auto; }

/* ---------- Article topic icon ---------- */
.topic-icon{
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(184, 134, 58, 0.15);
  border: 1px solid var(--ochre);
  color: var(--ochre);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
}
.topic-icon.icon-teal{ background: rgba(47,110,103,0.15); border-color: var(--teal); color: var(--teal); }
.topic-icon.icon-rose{ background: rgba(140,59,74,0.15); border-color: var(--rose); color: var(--rose); }
.topic-icon.icon-blue{ background: rgba(51,98,140,0.15); border-color: var(--map-blue); color: var(--map-blue); }

/* ---------- Stat box (in-article) ---------- */
.stat-box-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin: var(--space-3) 0;
}
.stat-box{
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ochre);
  border-radius: var(--radius);
  padding: var(--space-2);
}
.stat-box-grid.cat-teal .stat-box{ border-top-color: var(--teal); }
.stat-box-grid.cat-rose .stat-box{ border-top-color: var(--rose); }
.stat-box-grid.cat-blue .stat-box{ border-top-color: var(--map-blue); }
.stat-box .stat-num{
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--navy-deep);
  display: block;
  line-height: 1.1;
}
.stat-box .stat-label{ font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- Guides hub (filter) ---------- */
.filter-bar{
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.filter-btn{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--paper-card);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  padding: 0.5em 1em;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-btn:hover{ border-color: var(--ochre); color: var(--ochre-dark); }
.filter-btn.active{ background: var(--navy-deep); border-color: var(--navy-deep); color: #fff; }
.card[data-hidden="true"]{ display: none; }

/* ---------- Next-article nav (bottom of articles) ---------- */
.next-article{
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin: var(--space-4) 0;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.next-article .label{ font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--teal); }
.next-article h4{ font-family: var(--font-display); font-size: 1.15rem; margin: 0.2rem 0 0; color: var(--navy-deep); }

@media (max-width: 900px){
  .featured-card{ grid-template-columns: 1fr; }
  .featured-visual{ order: -1; }
  .stat-box-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .stat-box-grid{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal{ opacity: 1; transform: none; }
}