/* GravelRoadGuide.pages.dev — styles.css */
:root {
  --brown:      #5c3d1e;
  --brown-mid:  #7a5230;
  --tan:        #c9a96e;
  --tan-light:  #e8d5b0;
  --cream:      #faf6ef;
  --white:      #ffffff;
  --dark:       #1e1a14;
  --mid:        #4a3f2f;
  --gray:       #6b6456;
  --gray-light: #f2ede4;
  --border:     #d4c4a0;
  --green:      #4a6741;
  --green-light:#d4e8d0;
  --alert:      #8b3a0f;
  --alert-bg:   #fdf0e8;
  --max:        1100px;
  --radius:     6px;
  --shadow:     0 2px 8px rgba(92,61,30,0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: 'Georgia', serif;
  background: var(--cream);
  color: var(--dark);
  line-height: 1.75;
}

/* ── HEADER ── */
header {
  background: var(--brown);
  color: var(--white);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 1rem;
}
.site-logo {
  font-family: 'Georgia', serif;
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--tan-light);
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.site-logo span { color: var(--tan); }

nav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
nav a {
  color: var(--tan-light);
  text-decoration: none;
  font-family: sans-serif;
  font-size: 0.82rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  transition: background 0.15s;
}
nav a:hover, nav a.active { background: rgba(255,255,255,0.15); color: #fff; }

/* ── BREADCRUMB ── */
.breadcrumb {
  background: var(--gray-light);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.5rem;
  font-family: sans-serif;
  font-size: 0.78rem;
  color: var(--gray);
}
.breadcrumb-inner { max-width: var(--max); margin: 0 auto; }
.breadcrumb a { color: var(--brown-mid); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 0.35rem; }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--brown) 0%, var(--brown-mid) 60%, var(--tan) 100%);
  color: var(--white);
  padding: 3.5rem 1.5rem 3rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.25;
  margin-bottom: 0.75rem;
  color: var(--tan-light);
}
.hero p {
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto 1.5rem;
  color: rgba(255,255,255,0.88);
}
.btn {
  display: inline-block;
  background: var(--tan);
  color: var(--brown);
  font-family: sans-serif;
  font-weight: bold;
  font-size: 0.9rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: var(--tan-light); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--tan-light);
  color: var(--tan-light);
  margin-left: 0.5rem;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* ── MAIN LAYOUT ── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.page-body { padding: 2.5rem 1.5rem 3rem; }
.content-wrap { max-width: var(--max); margin: 0 auto; }

/* two-col layout */
.layout-2col {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  align-items: start;
}
@media(max-width:760px){ .layout-2col { grid-template-columns: 1fr; } }

/* ── TYPOGRAPHY ── */
h1 { font-size: 1.85rem; color: var(--brown); margin-bottom: 0.6rem; line-height: 1.25; }
h2 { font-size: 1.35rem; color: var(--brown); margin: 2rem 0 0.6rem; border-bottom: 2px solid var(--tan-light); padding-bottom: 0.3rem; }
h3 { font-size: 1.1rem; color: var(--brown-mid); margin: 1.4rem 0 0.4rem; }
h4 { font-size: 0.97rem; color: var(--mid); margin: 1rem 0 0.3rem; font-family: sans-serif; }
p  { margin-bottom: 1rem; }
ul, ol { margin: 0.5rem 0 1rem 1.5rem; }
li { margin-bottom: 0.35rem; }
strong { color: var(--brown-mid); }
a { color: var(--brown); }
a:hover { color: var(--brown-mid); }

/* ── ARTICLE PAGE ── */
.article-meta {
  font-family: sans-serif;
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 1.25rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 0.3rem; }

/* ── CALLOUT BOXES ── */
.callout {
  border-left: 4px solid var(--tan);
  background: var(--gray-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.callout.warning {
  border-color: var(--alert);
  background: var(--alert-bg);
}
.callout.tip {
  border-color: var(--green);
  background: var(--green-light);
}
.callout-title {
  font-family: sans-serif;
  font-size: 0.78rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
  color: var(--gray);
}
.callout.warning .callout-title { color: var(--alert); }
.callout.tip .callout-title { color: var(--green); }

/* ── CARDS / GRID ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(92,61,30,0.14); }
.card h3 { margin-top: 0; font-size: 1rem; }
.card p  { font-size: 0.9rem; margin-bottom: 0.5rem; }
.card a  { font-family: sans-serif; font-size: 0.82rem; font-weight: bold; }

/* ── SIDEBAR ── */
.sidebar { position: sticky; top: 80px; }
.sidebar-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}
.sidebar-box h4 {
  font-family: sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  margin-bottom: 0.75rem;
  margin-top: 0;
}
.sidebar-box ul { margin-left: 0; list-style: none; }
.sidebar-box li { margin-bottom: 0.4rem; }
.sidebar-box a { font-family: sans-serif; font-size: 0.85rem; color: var(--brown); text-decoration: none; }
.sidebar-box a:hover { text-decoration: underline; }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
table { width: 100%; border-collapse: collapse; font-family: sans-serif; font-size: 0.88rem; }
th { background: var(--brown); color: var(--white); padding: 0.6rem 0.85rem; text-align: left; }
td { padding: 0.55rem 0.85rem; border-bottom: 1px solid var(--border); }
tr:nth-child(even) td { background: var(--gray-light); }

/* ── FAQ ── */
.faq-section { margin: 2rem 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  font-family: sans-serif;
  font-weight: bold;
  font-size: 0.95rem;
  color: var(--brown);
  padding: 0.9rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-q::after { content: '+'; font-size: 1.2rem; flex-shrink: 0; color: var(--tan); }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { display: none; padding: 0 0 1rem; font-size: 0.93rem; }
.faq-item.open .faq-a { display: block; }

/* ── CALCULATOR / TOOL ── */
.tool-box {
  background: var(--white);
  border: 2px solid var(--tan);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin: 2rem 0;
  box-shadow: var(--shadow);
}
.tool-box h2 { border: none; padding: 0; margin-top: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
@media(max-width:520px){ .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
.form-group label { font-family: sans-serif; font-size: 0.82rem; font-weight: bold; color: var(--mid); }
.form-group input, .form-group select {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.93rem;
  background: var(--cream);
  color: var(--dark);
}
.form-group input:focus, .form-group select:focus {
  outline: 2px solid var(--tan);
  border-color: var(--tan);
}
.calc-btn {
  background: var(--brown);
  color: var(--white);
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-family: sans-serif;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 0.5rem;
}
.calc-btn:hover { background: var(--brown-mid); }
.result-box {
  background: var(--green-light);
  border: 1px solid var(--green);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1.25rem;
  display: none;
}
.result-box.visible { display: block; }
.result-box h3 { color: var(--green); margin-top: 0; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem; margin-top: 0.75rem; }
.result-item { background: var(--white); border-radius: var(--radius); padding: 0.75rem; text-align: center; }
.result-item .num { font-size: 1.6rem; font-weight: bold; color: var(--brown); font-family: sans-serif; }
.result-item .lbl { font-family: sans-serif; font-size: 0.75rem; color: var(--gray); }

/* ── STEPS ── */
.steps { counter-reset: step; margin: 1.5rem 0; }
.step {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: var(--brown);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: sans-serif;
  font-weight: bold;
  font-size: 0.85rem;
  margin-top: 0.15rem;
}
.step-body h4 { margin-top: 0; }

/* ── DOWNLOAD BANNER ── */
.download-banner {
  background: var(--brown);
  color: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}
.download-banner .icon { font-size: 2.5rem; flex-shrink: 0; }
.download-banner h3 { color: var(--tan-light); margin: 0 0 0.25rem; }
.download-banner p  { margin: 0; font-size: 0.9rem; color: rgba(255,255,255,0.85); }

/* ── FOOTER ── */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 2.5rem 1.5rem 1.5rem;
  font-family: sans-serif;
  font-size: 0.82rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 2rem;
}
.footer-col h5 {
  color: var(--tan);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.footer-col ul { list-style: none; margin: 0; }
.footer-col li { margin-bottom: 0.35rem; }
.footer-col a { color: rgba(255,255,255,0.65); text-decoration: none; }
.footer-col a:hover { color: var(--tan-light); }
.footer-bottom {
  max-width: var(--max);
  margin: 1.75rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.55); text-decoration: none; }
.footer-bottom a:hover { color: var(--tan); }

/* ── DISCLAIMER ── */
.disclaimer {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-family: sans-serif;
  font-size: 0.78rem;
  color: var(--gray);
  background: var(--gray-light);
  margin: 2rem 0 0;
}

/* ── RESPONSIVE ── */
@media(max-width:600px){
  header { padding: 0 1rem; }
  .header-inner { height: auto; padding: 0.5rem 0; flex-direction: column; align-items: flex-start; }
  nav { gap: 0.15rem; }
  .hero { padding: 2.5rem 1rem 2rem; }
  .page-body { padding: 1.75rem 1rem 2rem; }
}