/* ==========================================================================
   Shoestring Atlas — design tokens & base styles
   Palette: Night Indigo #1B2A4A · Passport Teal #2F6E6E · Stamp Coral #E8734A
            Luggage Tan #D9C9A8 · Ink #232323 · Brass #C9A227 · Paper #FAF8F4
   Type: Space Grotesk (display) / Work Sans (body) / IBM Plex Mono (data)
   ========================================================================== */

:root {
  --night: #1B2A4A;
  --night-2: #14213A;
  --teal: #2F6E6E;
  --teal-dark: #23504F;
  --coral: #E8734A;
  --tan: #D9C9A8;
  --tan-light: #EFE7D3;
  --ink: #232323;
  --brass: #C9A227;
  --paper: #FAF8F4;
  --paper-2: #F1ECE1;
  --white: #ffffff;
  --line: rgba(27, 42, 74, 0.14);

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(27,42,74,0.06), 0 6px 20px rgba(27,42,74,0.07);
  --container: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--night);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; margin-top: 1.6em; }
p { margin: 0 0 1.1em; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { line-height: 1.7; }
img, svg { max-width: 100%; display: block; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section--tight { padding: 40px 0; }
.section--alt { background: var(--tan-light); }
.section--night { background: var(--night); color: #E9E4D6; }
.section--night h2, .section--night h3 { color: #fff; }

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--coral); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
  font-family: var(--font-mono); font-size: 0.85rem;
}
.skip-link:focus { left: 0; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--brass);
  outline-offset: 2px;
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--coral);
  display: inline-block;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--night);
  border-bottom: 3px solid var(--brass);
}
.navbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.brand:hover { text-decoration: none; opacity: 0.9; }
.brand__mark { width: 30px; height: 30px; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: #D7DAE6; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.04em;
  padding: 10px 14px; border-radius: 6px; display: inline-block;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; background: rgba(255,255,255,0.08); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 2px solid rgba(255,255,255,0.3); border-radius: 6px; padding: 8px 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; margin: 4px 0; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; }
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--night-2); flex-direction: column; align-items: stretch;
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
    border-bottom: 3px solid var(--brass);
  }
  .nav-links.is-open { max-height: 480px; }
  .nav-links a { padding: 14px 24px; border-radius: 0; }
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--coral); color: #fff; }
.btn--primary:hover { background: #d5623a; }
.btn--outline { background: transparent; border-color: currentColor; color: var(--night); }
.btn--outline:hover { background: rgba(27,42,74,0.06); }
.btn--on-dark { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn--on-dark:hover { background: rgba(255,255,255,0.1); }

/* ---------- Hero (departure-board style) ---------- */
.hero { background: var(--night); color: #fff; position: relative; overflow: hidden; padding: 76px 0 64px; }
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 6px;
  background: repeating-linear-gradient(90deg, var(--brass) 0 18px, transparent 18px 30px);
  opacity: 0.6;
}
.hero__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero__ticker {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; color: var(--brass);
  border: 1px solid rgba(201,162,39,0.5); border-radius: 6px; padding: 10px 14px;
  display: inline-block; margin-bottom: 20px;
}
.hero h1 { color: #fff; }
.hero p.lead { color: #C6CCDC; font-size: 1.08rem; max-width: 44ch; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }

/* Boarding pass — signature element */
.pass {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.pass__top { padding: 20px 22px 16px; }
.pass__route {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-display); font-weight: 700; color: var(--night); font-size: 1.05rem;
}
.pass__route .code { font-family: var(--font-mono); font-size: 1.5rem; color: var(--teal); }
.pass__route .plane { color: var(--coral); font-size: 1.2rem; }
.pass__sub { font-family: var(--font-mono); font-size: 0.72rem; color: #6b6455; letter-spacing: 0.04em; margin-top: 6px; }
.pass__perf {
  position: relative; height: 0; border-top: 2px dashed var(--tan);
  margin: 0 0;
}
.pass__perf::before, .pass__perf::after {
  content: ""; position: absolute; top: -9px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--night);
}
.pass__perf::before { left: -9px; }
.pass__perf::after { right: -9px; }
.pass__stub { padding: 16px 22px 20px; background: var(--tan-light); }
.pass__fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 18px; }
.pass__field .label { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--teal-dark); }
.pass__field .value { font-family: var(--font-mono); font-size: 0.92rem; color: var(--night); font-weight: 600; }

/* Post cards grid */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 980px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 660px) { .card-grid { grid-template-columns: 1fr; } }

.post-card { display: flex; flex-direction: column; height: 100%; transition: transform 0.15s ease; }
.post-card:hover { transform: translateY(-3px); }
.post-card__body { padding: 16px 22px 4px; }
.post-card__cat { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--coral); }
.post-card h3 { margin-top: 8px; font-size: 1.1rem; }
.post-card p { color: #4b4638; font-size: 0.95rem; }
.post-card__link { font-family: var(--font-mono); font-size: 0.78rem; color: var(--teal); }

/* Category chips / filters */
.chip-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0 36px; }
.chip {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.02em;
  padding: 9px 16px; border-radius: 999px; border: 1.5px solid var(--night);
  background: transparent; color: var(--night); cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--night); color: #fff; }
.chip:hover { background: rgba(27,42,74,0.08); }
.chip[aria-pressed="true"]:hover { background: var(--night-2); }

/* Value prop / features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-card);
}
.feature .num { font-family: var(--font-mono); color: var(--brass); font-size: 0.78rem; letter-spacing: 0.1em; }

/* Testimonials */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) { .testi-grid { grid-template-columns: 1fr; } }
.testi {
  background: var(--white); border-left: 4px solid var(--teal); border-radius: 8px;
  padding: 22px; box-shadow: var(--shadow-card);
}
.testi p.quote { font-style: italic; color: #3c3830; }
.testi .who { font-family: var(--font-mono); font-size: 0.78rem; color: var(--night); }
.testi .who span { color: #7a7566; display: block; font-size: 0.72rem; }

/* Newsletter */
.newsletter { background: var(--teal); color: #fff; border-radius: var(--radius); padding: 34px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.newsletter h3 { color: #fff; margin: 0 0 6px; }
.newsletter p { margin: 0; color: #DCEFEC; }
.newsletter form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter input[type="email"] {
  padding: 12px 14px; border-radius: 6px; border: none; min-width: 240px; font-family: var(--font-body);
}
.newsletter .btn--primary { background: var(--coral); }

/* Category overview */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 980px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cat-grid { grid-template-columns: 1fr; } }
.cat-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  display: block; color: var(--ink);
}
.cat-card:hover { text-decoration: none; border-color: var(--teal); }
.cat-card .icon { width: 30px; height: 30px; color: var(--teal); margin-bottom: 10px; }
.cat-card h4 { font-family: var(--font-display); font-size: 1rem; margin: 0 0 6px; color: var(--night); }
.cat-card p { font-size: 0.86rem; color: #5c5748; margin: 0; }

/* Post page layout */
.post-hero { background: var(--night); color: #fff; padding: 52px 0 42px; }
.post-hero .eyebrow { color: var(--brass); }
.post-hero .eyebrow::before { background: var(--brass); }
.post-hero h1 { color: #fff; max-width: 30ch; }
.post-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 44px; padding: 48px 0 64px; align-items: start; }
@media (max-width: 860px) { .post-layout { grid-template-columns: 1fr; } }
.post-body h3 { color: var(--night); }
.post-body p.tip {
  background: var(--tan-light); border-left: 4px solid var(--coral); border-radius: 6px;
  padding: 16px 18px; margin-top: 28px; font-size: 0.97rem;
}
.sidebar { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 22px; }
.related-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.related-list a { font-family: var(--font-body); font-weight: 600; font-size: 0.92rem; }
.related-list .cat { display: block; font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; color: var(--coral); letter-spacing: 0.06em; }

/* Breadcrumb */
.breadcrumb { font-family: var(--font-mono); font-size: 0.75rem; color: #A9B0C4; }
.breadcrumb a { color: #C6CCDC; }

/* FAQ accordion */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.faq-item summary {
  cursor: pointer; padding: 16px 20px; font-family: var(--font-display); font-weight: 600;
  color: var(--night); list-style: none; display: flex; justify-content: space-between; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); color: var(--coral); font-size: 1.2rem; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-a { padding: 0 20px 18px; color: #4b4638; }

/* Forms (Contact) */
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-card); }
.form-row { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; color: var(--night); }
.form-row input, .form-row textarea, .form-row select {
  padding: 11px 12px; border: 1.5px solid var(--line); border-radius: 6px; font-family: var(--font-body); font-size: 0.95rem;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--teal); }
.form-note { font-size: 0.82rem; color: #7a7566; margin-top: 14px; }
.form-success { display: none; background: var(--tan-light); border-left: 4px solid var(--teal); padding: 14px 16px; border-radius: 6px; margin-top: 16px; }
.form-success.is-visible { display: block; }

/* Info cards (contact page) */
.info-card { background: var(--night); color: #E9E4D6; border-radius: var(--radius); padding: 24px; }
.info-card h4 { color: #fff; font-size: 1rem; }
.info-card .row { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 0.92rem; }
.info-card .row:last-child { border-bottom: none; }

/* Legal pages */
.legal p, .legal li { color: #3c3830; }
.legal h2 { margin-top: 1.6em; }
.legal .updated { font-family: var(--font-mono); font-size: 0.78rem; color: var(--teal); }

/* Footer */
.site-footer { background: var(--night-2); color: #B9BFCF; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h5 { color: #fff; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.site-footer a { color: #B9BFCF; font-size: 0.9rem; }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; margin-bottom: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; }
.social-row { display: flex; gap: 10px; }
.social-row a { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.social-row svg { width: 16px; height: 16px; }

/* Cookie banner */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 300;
  background: var(--night); color: #E9E4D6; border-top: 3px solid var(--brass);
  padding: 16px 20px; display: none;
}
.cookie-banner.is-visible { display: flex; }
.cookie-banner__inner { max-width: var(--container); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cookie-banner p { margin: 0; font-size: 0.88rem; max-width: 62ch; }
.cookie-banner a { color: var(--brass); }

/* 404 */
.error-page { text-align: center; padding: 90px 0; }
.error-page .code { font-family: var(--font-mono); font-size: 4.5rem; color: var(--coral); }

/* Utility */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }