/* Trip Printables — design system
   Display: Fraunces (warm serif) · Body: DM Sans
   Palette: cool white/gray + teal (primary) + terracotta (sparing secondary accent) —
   distinct identity from josephwilebski.com's dark steel/gold, same level of polish. */

:root {
  /* Background — cool, clean, not warm/tan */
  --bg: #f7fafa;
  --bg2: #ecf2f1;
  --bg3: #e0eae9;

  /* Text — cool charcoal, matches the cooler bg */
  --ink: #1e2827;
  --ink-muted: #5b6a68;
  --ink-dim: #9aacaa;

  /* Teal — PRIMARY: buttons, CTA pill, key accents */
  --teal: #1d6e68;
  --teal-light: #3d8f89;
  --teal-dim: #143f3c;

  /* Terracotta — SECONDARY: sparing accent only (section-label eyebrows) */
  --terracotta: #d96c4b;
  --terracotta-light: #e8896b;
  --terracotta-dim: #a84e34;

  --border: rgba(30, 40, 39, 0.12);
  --border-teal: rgba(29, 110, 104, 0.25);
  --card-shadow: 0 2px 8px rgba(20, 30, 30, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }

p { margin: 0 0 1rem; color: var(--ink); }
p.lede { font-size: 1.1rem; color: var(--ink-muted); }

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-light); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section label — small eyebrow above headings */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta-dim);
  margin-bottom: 0.75rem;
}
.section-label::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--terracotta);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}
.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: var(--teal-light); color: #fff; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); }
.btn-arrow::after { content: "→"; transition: transform 0.15s ease; }
.btn-arrow:hover::after { transform: translateX(3px); }

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(20, 30, 30, 0.1);
}

.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Nav */
nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 250, 250, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
nav.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: "Fraunces", serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
}
.nav-links { display: flex; gap: 2rem; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--ink-muted); }
.nav-links a:hover { color: var(--terracotta); }
.nav-links a.cta {
  background: var(--teal);
  color: #fff;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
}
.nav-links a.cta:hover { background: var(--teal-light); color: #fff; }

/* Mobile nav toggle (hamburger) — hidden on desktop, shown ≤640px below */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 60;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
/* Open state: hamburger morphs into an X */
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { padding: 5rem 0 4rem; text-align: center; }
.hero .lede { max-width: 560px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Sections */
section { padding: 4rem 0; }
section.alt { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Template download card (the core conversion unit) */
.download-block {
  background: var(--bg2);
  border: 1px solid var(--border-teal);
  border-radius: 16px;
  padding: 2rem;
  margin: 2rem 0;
}
.download-block h3 { margin-bottom: 1rem; }
.download-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.25rem; }

/* Footer */
footer.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--ink-dim);
  font-size: 0.85rem;
}
footer.site-footer .footer-links { display: flex; gap: 1.5rem; margin-top: 1rem; flex-wrap: wrap; }
footer.site-footer a { color: var(--ink-muted); }

/* Responsive */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0 2.5rem; }

  .nav-toggle { display: flex; }

  /* Closed by default: full-width overlay panel dropping from the nav, hidden off-screen */
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(247, 250, 250, 0.98);
    backdrop-filter: blur(12px);
    padding: 5.5rem 1.5rem 2rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
    z-index: 55;
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
  }
  .nav-links a.cta {
    text-align: center;
    margin-top: 0.75rem;
    border-bottom: none;
  }

  /* Prevent background scroll while the mobile menu is open */
  body.nav-open { overflow: hidden; }
}