/* What To Pack For Antarctica Cruise - field-manual redesign */

:root {
  --color-bg:         #F4F1E7;
  --color-surface:    #FCFAF3;
  --color-surface-2:  #EAE4D3;
  --color-border:     #D9D1B8;
  --color-text:       #1B1A16;
  --color-muted:      #6B6452;
  --color-accent:     #C1440E;
  --color-accent-bg:  #FBE7D8;
  --color-warm:       #93690A;
  --color-warm-bg:    #F6EAC8;
  --color-ok:         #375E30;
  --color-ok-bg:      #E7EEDF;
  --color-danger:     #9C2B1F;
  --color-danger-bg:  #F5E4DC;
  --color-brand:      #1B1A16;
  --color-brand-bg:   #EAE4D3;
  --color-navy-deep:  #14130F;
  --radius:           2px;
  --radius-sm:        2px;
  --font-display:     'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:        'Inter', sans-serif;
  --font-mono:        'JetBrains Mono', monospace;
  --font-size-base:   16px;
  --line-height:      1.68;
  --max-width:        1120px;
  --shadow-sm:        0 1px 2px rgba(20, 19, 15, 0.08);
  --shadow-md:        0 14px 32px rgba(20, 19, 15, 0.16);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-accent); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  color: var(--color-text);
  scroll-margin-top: 130px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

h1 { font-size: 2.5rem; margin: 0 0 20px; letter-spacing: -0.01em; }

h2 {
  font-size: 1.5rem;
  margin: 68px 0 20px;
  padding-top: 0;
  position: relative;
}

h2 {
  border-top: 3px solid var(--color-text);
  padding-top: 20px;
}

h2 span.section-num {
  display: block;
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 6px;
}

h3 { font-family: var(--font-body); font-size: 1.05rem; font-weight: 700; margin: 32px 0 12px; letter-spacing: 0; text-transform: none; }

p { margin: 0 0 16px; }

table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }

/* ---------- Header ---------- */

.site-header {
  background: var(--color-bg);
  border-bottom: 3px solid var(--color-text);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.site-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-accent);
  background: none;
  border-color: var(--color-border);
}

.independence-bar {
  background: var(--color-navy-deep);
  color: #B8AF98;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 8px 0;
}

/* ---------- Hero band (full-bleed photo) ---------- */

.hero-band {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  background: #14130F;
  overflow: hidden;
  border-bottom: 3px solid var(--color-accent);
}

.hero-band__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: grayscale(35%) contrast(1.05);
}

.hero-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,9,7,0.4) 0%, rgba(10,9,7,0.6) 55%, rgba(10,9,7,0.92) 100%);
}

.hero-band .container {
  position: relative;
  z-index: 2;
  padding-top: 88px;
  padding-bottom: 64px;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  font-weight: 500;
  color: #F4F1E7;
  background: var(--color-accent);
  border: none;
  border-radius: 0;
  padding: 5px 12px;
  margin-bottom: 26px;
}

.hero-band h1 {
  color: #FCFAF3;
  max-width: 820px;
}

.hero-band .lede {
  font-size: 1.08rem;
  font-weight: 400;
  color: #D6D0BE;
  max-width: 700px;
  line-height: 1.75;
}

.hero-band.hero-band--sub .container {
  padding-top: 64px;
  padding-bottom: 48px;
}

.hero-band.hero-band--sub .lede { max-width: 640px; }

.photo-credit {
  font-size: 0.68rem;
  color: rgba(244,241,231,0.5);
  position: absolute;
  right: 16px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
}

.photo-credit a { color: rgba(244,241,231,0.75); }

/* ---------- Key Takeaways band ---------- */

.takeaways-band {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  background: var(--color-surface-2);
  border-bottom: 3px solid var(--color-text);
  padding: 0;
}

.key-takeaways { }

.takeaways-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
}

.takeaway-item {
  background: transparent;
  border: none;
  border-left: 1px solid var(--color-border);
  border-radius: 0;
  padding: 26px 22px;
  box-shadow: none;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.takeaway-item:first-child { border-left: none; }

.takeaway-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
}

.takeaway-item:nth-child(2) .takeaway-icon { border-color: var(--color-ok); color: var(--color-ok); }
.takeaway-item:nth-child(3) .takeaway-icon { border-color: var(--color-warm); color: var(--color-warm); }
.takeaway-item:nth-child(4) .takeaway-icon { border-color: var(--color-danger); color: var(--color-danger); }

.takeaway-icon svg { width: 16px; height: 16px; }

.takeaway-label {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.takeaway-item p { margin: 0; font-size: 0.9rem; color: var(--color-muted); }

/* ---------- Anchor nav ---------- */

.anchor-nav-band {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  background: var(--color-text);
  border-bottom: none;
}

.anchor-nav {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 2px;
  padding: 0;
  scrollbar-width: thin;
}

.anchor-nav a {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: #C7BFA8;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 13px 16px;
  transition: background 0.15s ease, color 0.15s ease;
}

.anchor-nav a:hover,
.anchor-nav a.active {
  background: var(--color-accent);
  color: #FCFAF3;
}

/* ---------- Main content spacing ---------- */

main.container { padding-top: 8px; }

/* ---------- Pro Tip ---------- */

.pro-tip {
  background: var(--color-surface);
  border: 1px dashed var(--color-warm);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.95rem;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.pro-tip::before {
  content: "\1F4A1";
  flex-shrink: 0;
  font-size: 1.1rem;
  line-height: 1.5;
}

.pro-tip strong {
  color: var(--color-warm);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  margin-right: 6px;
}

/* ---------- Checklists ---------- */

ul.checklist {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

ul.checklist li {
  background: var(--color-surface);
  border: none;
  border-radius: 0;
  padding: 12px 14px 12px 26px;
  position: relative;
  font-size: 0.94rem;
  box-shadow: none;
}

ul.checklist li::before {
  content: "\2014";
  position: absolute;
  left: 10px;
  top: 11px;
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 0.85rem;
}

ul.checklist li.danger-item {
  background: var(--color-danger-bg);
  padding-left: 14px;
}

ul.checklist li.danger-item::before {
  content: none;
}

ul.luggage-limits,
ul.seasickness-list {
  padding-left: 20px;
  margin: 0 0 20px;
}

ul.luggage-limits li,
ul.seasickness-list li {
  margin-bottom: 8px;
  font-size: 0.96rem;
}

/* ---------- Interactive checklist ---------- */

.checklist-counter {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-surface);
  background: var(--color-text);
  border-radius: var(--radius-sm);
  display: inline-block;
  padding: 10px 20px;
  margin-bottom: 26px;
  box-shadow: none;
}

.checklist-category {
  margin-bottom: 30px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 22px 8px;
  box-shadow: none;
}

.checklist-category h4 {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin: 0 0 14px;
}

ul.checklist-interactive {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}

ul.checklist-interactive li {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 11px 14px 11px 40px;
  position: relative;
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, opacity 0.15s ease;
}

ul.checklist-interactive li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 13px;
  width: 15px;
  height: 15px;
  border: 2px solid var(--color-text);
  border-radius: 3px;
  background: var(--color-surface);
}

ul.checklist-interactive li.checked {
  text-decoration: line-through;
  opacity: 0.55;
  background: var(--color-ok-bg);
}

ul.checklist-interactive li.checked::before {
  background: var(--color-ok);
  border-color: var(--color-ok);
  content: "\2713";
  color: #fff;
  font-size: 11px;
  line-height: 13px;
  text-align: center;
  font-family: var(--font-body);
}

/* ---------- Tables ---------- */

.table-wrap {
  overflow-x: auto;
  margin: 0 0 24px;
  border: 1px solid var(--color-text);
  border-radius: 0;
  box-shadow: none;
}

table.data-table {
  min-width: 560px;
}

table.data-table th,
table.data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

table.data-table thead th {
  background: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #C7BFA8;
  cursor: pointer;
  white-space: nowrap;
}

table.data-table thead th:hover {
  color: #fff;
  background: var(--color-accent);
}

table.data-table thead th.sort-asc::after { content: " \25B2"; }
table.data-table thead th.sort-desc::after { content: " \25BC"; }

table.data-table tbody tr:nth-child(even) { background: var(--color-surface-2); }

table.data-table tbody tr:last-child td { border-bottom: none; }

table.data-table tbody tr:hover { background: var(--color-accent-bg); }

/* ---------- Brand spotlight ---------- */

.brand-spotlight {
  position: relative;
  background: var(--color-navy-deep);
  border: none;
  border-top: 4px solid var(--color-accent);
  border-radius: 0;
  padding: 44px 40px;
  margin: 48px 0;
  box-shadow: var(--shadow-md);
  color: #D6D0BE;
}

.brand-spotlight__inner {
  max-width: none;
  margin: 0;
  padding: 0;
}

.brand-spotlight__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-navy-deep);
  background: var(--color-accent);
  border: none;
  border-radius: 0;
  padding: 5px 12px;
  margin-bottom: 22px;
}

.brand-spotlight__header h3 { margin: 0 0 8px; color: #FCFAF3; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; text-transform: uppercase; }

.brand-spotlight__sub {
  color: #A69C82;
  font-size: 0.98rem;
  margin-bottom: 32px;
}

.brand-spotlight__triplet {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  margin-bottom: 32px;
  background: rgba(255,255,255,0.1);
}

.triplet-item {
  background: var(--color-navy-deep);
  border: none;
  border-radius: 0;
  padding: 22px 20px;
}

.triplet-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 12px;
  box-shadow: none;
}

.triplet-icon svg { width: 16px; height: 16px; }

.triplet-item strong {
  display: block;
  color: #FCFAF3;
  font-size: 0.94rem;
  margin-bottom: 8px;
}

.triplet-item p { margin: 0; font-size: 0.88rem; color: #A69C82; }

.brand-spotlight__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-bottom: 32px;
}

.brand-spotlight__meta-row span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: #C7BFA8;
  background: rgba(255,255,255,0.06);
  border: none;
  border-radius: 0;
  padding: 6px 12px;
}

.brand-spotlight__cta {
  display: inline-block;
  background: var(--color-accent);
  color: #FCFAF3 !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 28px;
  border: none;
  border-radius: 0;
  box-shadow: none;
  transition: background 0.15s ease;
}

.brand-spotlight__cta:hover { background: #D4550F; }

/* ---------- FAQ ---------- */

.faq-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  margin-bottom: 0;
  padding: 4px 0;
  box-shadow: none;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 18px 0;
  list-style: none;
  position: relative;
  padding-right: 30px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 14px;
  font-size: 1.3rem;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--color-accent);
}

.faq-item[open] summary::after { content: "\2212"; }
.faq-item[open] { box-shadow: none; }

.faq-item p {
  padding-bottom: 20px;
  color: var(--color-muted);
  margin: 0;
  max-width: 760px;
}

/* ---------- Figures ---------- */

.figure {
  margin: 40px 0;
}

.figure img {
  margin: 0 auto;
  border-radius: 0;
  border: 1px solid var(--color-text);
  box-shadow: none;
}

.figure figcaption {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 12px;
  text-align: center;
}

.figure figcaption .credit {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #948C77;
  margin-top: 2px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-navy-deep);
  color: #A69C82;
  margin-top: 64px;
  padding: 56px 0 32px;
  font-size: 0.9rem;
  border-top: 3px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FCFAF3;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.footer-col h4 {
  color: #FCFAF3;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  margin: 0 0 14px;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }

.site-footer a { color: #A69C82; text-decoration: none; }
.site-footer a:hover { color: var(--color-accent); text-decoration: underline; }

.site-footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  font-size: 0.8rem;
  color: #7A7260;
}

/* ---------- Utility ---------- */

.section-note {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.verify-flag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-warm);
  background: var(--color-warm-bg);
  border-radius: 2px;
  padding: 1px 6px;
}

@media (max-width: 700px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.25rem; margin-top: 52px; }
  .site-nav { display: none; }
  .brand-spotlight { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero-band .container { padding-top: 56px; padding-bottom: 40px; }
  .takeaway-item { border-left: none; border-top: 1px solid var(--color-border); }
  .takeaway-item:first-child { border-top: none; }
}