/* ==========================================================================
   South Georgia Cruise Guide - stylesheet
   ========================================================================== */

:root {
  --color-bg:         #0A0F1A;
  --color-surface:    #111827;
  --color-surface-2:  #1C2333;
  --color-border:     #2D3A4F;
  --color-text:       #E8EFF7;
  --color-muted:      #7A8FA8;
  --color-accent:     #4A9EBF;
  --color-accent-bg:  #0D1E2A;
  --color-gold:       #C8A84B;
  --color-gold-bg:    #1A1500;
  --color-brand:      #1F6FEB;
  --color-brand-bg:   #0D1926;
  --color-verified:   #3FB950;
  --radius:           6px;
  --font-sans:        'Space Grotesk', 'Inter', sans-serif;
  --font-body:        'Inter', sans-serif;
  --max-width:        1140px;
}

/* -------------------------------------------------------------------------
   Reset
   ------------------------------------------------------------------------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 2.5em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
li { margin-bottom: 0.5em; }
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
section { padding: 2.5em 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* -------------------------------------------------------------------------
   Header
   ------------------------------------------------------------------------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}
.site-logo:hover { text-decoration: none; color: var(--color-accent); }
.site-logo img {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.site-nav a {
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--color-accent); text-decoration: none; }

.independence-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 8px 0;
}

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: radial-gradient(ellipse at top right, #12253a 0%, var(--color-bg) 55%);
  overflow: hidden;
  padding: 3.5em 0 2.5em;
  border-bottom: 1px solid var(--color-border);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(100deg, rgba(10,15,26,0.94) 0%, rgba(10,15,26,0.88) 30%, rgba(10,15,26,0.55) 60%, rgba(10,15,26,0.4) 100%),
    linear-gradient(0deg, var(--color-bg) 0%, transparent 18%);
}
@media (max-width: 700px) {
  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(10,15,26,0.75) 0%, rgba(10,15,26,0.88) 45%, rgba(10,15,26,0.94) 100%),
      linear-gradient(0deg, var(--color-bg) 0%, transparent 18%);
  }
}
.hero-credit {
  position: absolute;
  right: 12px;
  bottom: 10px;
  z-index: 1;
  font-size: 0.68rem;
  color: rgba(232,239,247,0.55);
  background: rgba(10,15,26,0.45);
  padding: 2px 8px;
  border-radius: 999px;
}
.hero-credit a { color: rgba(232,239,247,0.7); }
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-kicker {
  display: inline-block;
  color: var(--color-gold);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.8em;
}
.hero h1 {
  max-width: 780px;
  text-shadow: 0 2px 18px rgba(0,0,0,0.5);
}
.hero-subtitle {
  max-width: 640px;
  color: var(--color-muted);
  font-size: 1.1rem;
  margin-bottom: 1.6em;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2.2em;
}
.hero-ctas a {
  border: 1px solid var(--color-border);
  background: rgba(17,24,39,0.7);
  color: var(--color-text);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
}
.hero-ctas a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.stat-chips {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
@media (max-width: 800px) {
  .stat-chips { grid-template-columns: repeat(2, 1fr); }
}
.stat-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 10px;
  text-align: center;
}
.stat-chip strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.2rem;
  color: var(--color-accent);
}
.stat-chip span {
  display: block;
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* Anchor nav */
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 12px 0;
  position: sticky;
  top: 61px;
  z-index: 40;
  overflow-x: auto;
}
.anchor-nav .container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.anchor-nav a {
  font-size: 0.82rem;
  color: var(--color-muted);
  padding: 6px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.anchor-nav a:hover,
.anchor-nav a.active {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  text-decoration: none;
}

/* -------------------------------------------------------------------------
   Generic section styling
   ------------------------------------------------------------------------- */
main .container > section:first-of-type { padding-top: 1em; }

.section-lede {
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* Lists */
.advantages-list,
.tips-list,
.criteria-list {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.4em 1.4em 1.4em 2.6em;
}
.advantages-list li,
.tips-list li,
.criteria-list li { margin-bottom: 0.9em; }
.advantages-list li:last-child,
.tips-list li:last-child,
.criteria-list li:last-child { margin-bottom: 0; }
.advantages-list strong,
.tips-list strong,
.criteria-list strong { color: var(--color-text); }

/* Methodology link callout */
.methodology-callout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 1em;
  font-weight: 500;
}

/* -------------------------------------------------------------------------
   Operators table
   ------------------------------------------------------------------------- */
.table-scroll { overflow-x: auto; margin: 1.5em 0; }
.operators-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 640px;
}
.operators-table caption {
  text-align: left;
  color: var(--color-muted);
  font-size: 0.85rem;
  padding-bottom: 0.6em;
}
.operators-table th,
.operators-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.92rem;
}
.operators-table thead th {
  background: var(--color-surface-2);
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  position: relative;
}
.operators-table thead th:hover { color: var(--color-accent); }
.operators-table thead th::after {
  content: '\2195';
  margin-left: 6px;
  color: var(--color-muted);
  font-size: 0.8em;
}
.operators-table thead th[aria-sort="ascending"]::after { content: '\2191'; color: var(--color-accent); }
.operators-table thead th[aria-sort="descending"]::after { content: '\2193'; color: var(--color-accent); }
.operators-table tbody tr:last-child td { border-bottom: none; }
.operators-table tbody tr:hover { background: var(--color-surface-2); }
.verify-note { color: var(--color-muted); font-size: 0.78rem; }

/* -------------------------------------------------------------------------
   Operator cards
   ------------------------------------------------------------------------- */
.operator-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 1.6em 0;
}
@media (max-width: 760px) {
  .operator-cards { grid-template-columns: 1fr; }
}
.operator-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.4em;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.operator-card__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 0.6em;
}
.operator-card__name h3 { margin-bottom: 0.3em; }
.operator-card__badge {
  display: inline-block;
  background: var(--color-accent-bg);
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.operator-card__specs {
  margin: 0 0 1.2em;
  font-size: 0.9rem;
}
.operator-card__specs dt {
  color: var(--color-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 0.8em;
}
.operator-card__specs dt:first-child { margin-top: 0; }
.operator-card__specs dd {
  margin: 2px 0 0;
  color: var(--color-text);
}
.operator-card__link {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.9rem;
}

/* -------------------------------------------------------------------------
   Brand spotlight (Poseidon editorial pick)
   ------------------------------------------------------------------------- */
.brand-spotlight {
  background: var(--color-brand-bg);
  border: 1px solid var(--color-brand);
  border-radius: var(--radius);
  padding: 2em;
  margin: 2em 0;
}
.brand-spotlight__badge {
  display: inline-block;
  background: var(--color-brand);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 1em;
}
.brand-spotlight h2 { margin-top: 0; }
.brand-spotlight__tagline {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 700px;
}
.brand-spotlight__specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1em 2em;
  margin: 1.6em 0;
  font-size: 0.92rem;
}
@media (max-width: 700px) {
  .brand-spotlight__specs { grid-template-columns: 1fr; }
}
.brand-spotlight__specs dt {
  color: var(--color-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.brand-spotlight__specs dd { margin: 2px 0 0; }
.brand-spotlight__cta {
  display: inline-block;
  background: var(--color-brand);
  color: #fff;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius);
}
.brand-spotlight__cta:hover {
  background: #1a5fd0;
  text-decoration: none;
}

/* -------------------------------------------------------------------------
   Season infographic
   ------------------------------------------------------------------------- */
.season-timeline {
  margin: 1.6em 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2em;
  overflow-x: auto;
}
.season-timeline svg { width: 100%; height: auto; min-width: 600px; }

.season-timeline-mobile {
  display: none;
  list-style: none;
  margin: 1.6em 0;
  padding: 0;
  border-left: 2px solid var(--color-border);
}
.season-timeline-mobile li {
  position: relative;
  padding: 0 0 1.1em 1.2em;
  margin: 0;
}
.season-timeline-mobile li::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}
.season-timeline-mobile li:last-child { padding-bottom: 0; }
.season-timeline-mobile__month {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.2em;
}
.season-timeline-mobile__event {
  display: block;
  font-size: 0.92rem;
  color: var(--color-text);
}
.season-timeline-mobile li.is-peak::before { background: var(--color-gold); }
.season-timeline-mobile li.is-peak .season-timeline-mobile__month { color: var(--color-gold); }

@media (max-width: 640px) {
  .season-timeline { display: none; }
  .season-timeline-mobile { display: block; }
}

/* -------------------------------------------------------------------------
   Route map
   ------------------------------------------------------------------------- */
.route-map {
  margin: 1.6em 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2em;
}
.route-map__media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}
.route-map img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  object-position: 50% 100%;
  display: block;
}
.route-map figcaption {
  color: var(--color-muted);
  font-size: 0.82rem;
  margin-top: 0.8em;
  text-align: center;
}

/* -------------------------------------------------------------------------
   Photo credits (shared)
   ------------------------------------------------------------------------- */
.photo-credits {
  margin: 2em 0;
  padding: 1.2em 1.4em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.78rem;
  color: var(--color-muted);
}
.photo-credits h3 {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 0.6em;
}
.photo-credits ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
  columns: 2;
  column-gap: 2em;
}
@media (max-width: 640px) {
  .photo-credits ul { columns: 1; }
}
.photo-credits li { margin-bottom: 0.4em; }
.photo-credits a { color: var(--color-muted); text-decoration: underline; }
.photo-credits a:hover { color: var(--color-accent); }

/* -------------------------------------------------------------------------
   Landing site cards
   ------------------------------------------------------------------------- */
.landing-sites {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 1.6em 0;
}
@media (max-width: 900px) {
  .landing-sites { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .landing-sites { grid-template-columns: 1fr; }
}
.landing-site-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.landing-site-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface-2);
}
.landing-site-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.landing-site-card__credit {
  position: absolute;
  right: 6px;
  bottom: 6px;
  font-size: 0.62rem;
  color: rgba(232,239,247,0.7);
  background: rgba(10,15,26,0.55);
  padding: 1px 7px;
  border-radius: 999px;
}
.landing-site-card__credit a { color: rgba(232,239,247,0.85); }
.landing-site-card__body { padding: 1.2em; }
.landing-site-card h3 {
  color: var(--color-gold);
  font-size: 1.05rem;
}
.landing-site-card ul { padding-left: 1.2em; margin-bottom: 0; font-size: 0.9rem; }

/* -------------------------------------------------------------------------
   Reviews comparison
   ------------------------------------------------------------------------- */
.reviews-comparison {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 1.6em 0;
}
@media (max-width: 700px) {
  .reviews-comparison { grid-template-columns: 1fr; }
}
.reviews-praised,
.reviews-concerns {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.4em;
}
.reviews-praised h3 { color: var(--color-verified); }
.reviews-concerns h3 { color: var(--color-gold); }
.reviews-praised ul,
.reviews-concerns ul { margin-bottom: 0; padding-left: 1.2em; font-size: 0.92rem; }

/* -------------------------------------------------------------------------
   Callout / warning boxes
   ------------------------------------------------------------------------- */
.callout-box {
  background: var(--color-gold-bg);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius);
  padding: 1em 1.2em;
  margin: 1.6em 0;
  font-size: 0.92rem;
}
.callout-box strong { color: var(--color-gold); }

/* -------------------------------------------------------------------------
   FAQ
   ------------------------------------------------------------------------- */
.faq-list { margin: 1.6em 0; }
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-item summary {
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--color-accent);
  font-size: 1.3rem;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: '\2212'; }
.faq-item .faq-answer {
  padding: 0 18px 16px;
  color: var(--color-muted);
  font-size: 0.94rem;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 2.5em 0 1.5em;
  margin-top: 3em;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2em;
  margin-bottom: 1.6em;
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid p { color: var(--color-muted); font-size: 0.9rem; }
.footer-grid nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-grid nav a { color: var(--color-muted); font-size: 0.9rem; }
.footer-grid nav a:hover { color: var(--color-accent); }
.footer-legal {
  color: var(--color-muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.2em;
  margin-bottom: 0;
}

/* -------------------------------------------------------------------------
   Simple pages (methodology / about / privacy)
   ------------------------------------------------------------------------- */
.page-hero {
  padding: 3em 0 1.5em;
  border-bottom: 1px solid var(--color-border);
}
.back-link { display: inline-block; margin-bottom: 1.5em; font-weight: 500; }
.methodology-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 1.6em 0;
  font-size: 0.92rem;
}
.methodology-table th,
.methodology-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.methodology-table thead th {
  background: var(--color-surface-2);
  font-family: var(--font-sans);
}
.methodology-table tbody tr:last-child td { border-bottom: none; }

.legal-page section { padding: 1.2em 0; }
.legal-disclaimer {
  color: var(--color-muted);
  font-style: italic;
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .anchor-nav { top: 0; }
}