/*
Theme Name: CalculateMaterials
Theme URI: https://www.calculatematerials.com
Author: CalculateMaterials
Author URI: https://www.calculatematerials.com
Description: Construction material calculators for pros and DIYers.
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: calculatematerials
*/

/* ── CSS VARIABLES ── */
:root {
  --bg: #111210;
  --surface: #1c1b18;
  --surface2: #252420;
  --border: #302e27;
  --orange: #e8621a;
  --yellow: #f0c040;
  --text: #ede8dc;
  --muted: #7a7568;
  --green: #5dab6e;
  --radius: 10px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

/* ── HEADER / NAV ── */
#site-header {
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17,18,16,0.96);
  backdrop-filter: blur(10px);
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 20px;
}
.site-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 2px;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo span { color: var(--orange); }

/* WordPress nav menu */
#site-nav ul {
  display: flex;
  gap: 4px;
  list-style: none;
  flex-wrap: wrap;
}
#site-nav ul li a {
  display: block;
  padding: 5px 13px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s;
  white-space: nowrap;
}
#site-nav ul li a:hover,
#site-nav ul li.current-menu-item a {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(232,98,26,0.07);
}

/* ── MAIN CONTENT WRAPPER ── */
#main-content {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}

/* ── HERO ── */
.hero {
  padding: 48px 0 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: end;
  margin-bottom: 32px;
}
.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.92;
  letter-spacing: 2px;
}
.hero h1 .accent { color: var(--orange); }
.hero p {
  color: var(--muted);
  margin-top: 14px;
  max-width: 480px;
  font-size: 15px;
  line-height: 1.65;
}
.hero-stats { display: flex; flex-direction: column; gap: 8px; text-align: right; }
.stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  color: var(--yellow);
  letter-spacing: 1px;
  line-height: 1;
}
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ── CATEGORY SECTION ── */
.calc-section { margin-bottom: 40px; }
.section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.section-icon {
  width: 32px; height: 32px;
  background: var(--orange);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.section-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  letter-spacing: 2px;
}
.section-count { margin-left: auto; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ── CALCULATOR GRID ── */
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}

/* ── CALCULATOR CARD (homepage grid) ── */
.calc-card-link {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.calc-card-link:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
.calc-card-link .card-icon { font-size: 28px; margin-bottom: 10px; }
.calc-card-link .card-title { font-weight: 600; font-size: 14px; color: var(--text); margin-bottom: 4px; }
.calc-card-link .card-desc { font-size: 12px; color: var(--muted); line-height: 1.5; }
.calc-card-link .card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--orange);
  font-weight: 600;
}

/* ── SINGLE CALCULATOR PAGE ── */
.calc-page-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}
.calc-page-wrap h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 5vw, 60px);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 8px;
}
.calc-page-wrap .calc-sub {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

/* ── CALCULATOR WIDGET ── */
.calc-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
}
.calc-widget-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.calc-widget-head .widget-icon {
  width: 32px; height: 32px;
  background: var(--orange);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.calc-widget-head h2 { font-size: 16px; font-weight: 600; }
.calc-widget-body { padding: 20px; }

/* ── FORM ELEMENTS ── */
.fg { margin-bottom: 14px; }
.fg label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.fg input[type=number],
.fg select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 10px 12px;
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  outline: none;
  -moz-appearance: textfield;
  transition: border-color 0.15s;
}
.fg input[type=number]:focus,
.fg select:focus { border-color: var(--orange); }
.fg input::-webkit-outer-spin-button,
.fg input::-webkit-inner-spin-button { -webkit-appearance: none; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

.calc-btn {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: 7px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
  letter-spacing: 0.3px;
}
.calc-btn:hover { filter: brightness(1.1); }
.calc-btn:active { transform: scale(0.98); }

/* ── RESULT BOX ── */
.result-box {
  margin-top: 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: none;
  animation: fadeIn 0.2s ease;
}
.result-box.show { display: block; }
@keyframes fadeIn { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:none; } }

.r-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 3px; }
.r-val {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 36px;
  color: var(--yellow);
  letter-spacing: 1px;
  line-height: 1.05;
}
.r-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.r-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 10px; }
.r-cell { background: var(--bg); border-radius: 6px; padding: 10px 12px; }
.r-cell .r-val { font-size: 24px; }
.r-tip {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  line-height: 1.6;
}
.r-tip strong { color: var(--text); }

/* ── CONTENT AREA (for page/post text below calculator) ── */
.calc-content { margin-top: 40px; }
.calc-content h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px;
  letter-spacing: 1.5px;
  color: var(--orange);
  margin: 32px 0 10px;
}
.calc-content h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 1px;
  color: var(--text);
  margin: 24px 0 8px;
}
.calc-content p { color: var(--muted); font-size: 14px; line-height: 1.75; margin-bottom: 14px; }
.calc-content p strong { color: var(--text); }
.calc-content ul { list-style: none; margin-bottom: 14px; }
.calc-content ul li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  padding-left: 18px;
  position: relative;
  margin-bottom: 4px;
}
.calc-content ul li::before { content: '—'; position: absolute; left: 0; color: var(--orange); }

/* Data table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 20px 0;
  font-size: 13px;
}
.data-table thead tr { background: var(--surface2); }
.data-table th {
  padding: 10px 16px;
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}
.data-table td { padding: 10px 16px; border-top: 1px solid var(--border); color: var(--muted); }
.data-table td.mono { font-family: 'DM Mono', monospace; color: var(--text); text-align: right; }
.data-table tr.highlight td { background: var(--surface2); color: var(--text); font-weight: 600; }
.data-table tr.highlight td.mono { color: var(--yellow); }

/* ── BLOG POSTS ── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px,1fr));
  gap: 16px;
  margin-top: 24px;
}
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.post-card:hover { border-color: var(--orange); transform: translateY(-2px); }
.post-card-body { padding: 20px; }
.post-meta { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.post-card h2 { font-size: 16px; font-weight: 600; line-height: 1.3; margin-bottom: 8px; }
.post-card h2 a { color: var(--text); text-decoration: none; }
.post-card h2 a:hover { color: var(--orange); }
.post-card p { font-size: 13px; color: var(--muted); line-height: 1.55; }
.post-card-footer { padding: 12px 20px; border-top: 1px solid var(--border); }
.read-more {
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
}

/* Single post */
.post-wrap { max-width: 720px; margin: 0 auto; padding: 48px 32px 80px; }
.post-wrap h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px,5vw,60px);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 12px;
}
.post-wrap .post-meta-bar {
  display: flex; gap: 16px; align-items: center;
  font-size: 12px; color: var(--muted);
  padding-bottom: 24px; margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.post-wrap .entry-content h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 26px; letter-spacing: 1.5px;
  color: var(--orange); margin: 32px 0 10px;
}
.post-wrap .entry-content h3 {
  font-size: 18px; font-weight: 600;
  color: var(--text); margin: 24px 0 8px;
}
.post-wrap .entry-content p { color: var(--muted); font-size: 14px; line-height: 1.75; margin-bottom: 14px; }
.post-wrap .entry-content p strong { color: var(--text); }
.post-wrap .entry-content a { color: var(--orange); }
.post-wrap .entry-content ul, .post-wrap .entry-content ol { padding-left: 20px; margin-bottom: 14px; }
.post-wrap .entry-content li { color: var(--muted); font-size: 14px; line-height: 1.75; margin-bottom: 4px; }
.post-wrap .entry-content blockquote {
  border-left: 3px solid var(--orange);
  padding-left: 16px;
  margin: 20px 0;
  color: var(--muted);
  font-style: italic;
}

/* ── AD SLOTS ── */
.ad-wrap { margin: 8px 0 16px; }
.ad-box {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── FOOTER ── */
#site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 32px;
  text-align: center;
  margin-top: 40px;
}
.footer-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.footer-logo span { color: var(--orange); }
#site-footer p { font-size: 12px; color: var(--muted); max-width: 520px; margin: 0 auto 16px; line-height: 1.6; }
.footer-nav { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.footer-nav a { font-size: 12px; color: var(--muted); text-decoration: none; transition: color 0.15s; }
.footer-nav a:hover { color: var(--orange); }

/* ── BACK BUTTON ── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 7px 16px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  margin-bottom: 28px;
  text-decoration: none;
  transition: all 0.15s;
  font-family: 'DM Sans', sans-serif;
}
.back-btn:hover { border-color: var(--orange); color: var(--orange); }

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
  #site-header { padding: 0 16px; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; gap: 10px; }
  #main-content { padding: 24px 16px 60px; }
  .hero { grid-template-columns: 1fr; padding: 32px 0 24px; }
  .hero-stats { flex-direction: row; }
  .calc-page-wrap, .post-wrap { padding: 28px 16px 60px; }
  .row2, .row3 { grid-template-columns: 1fr; }
  .r-grid-3 { grid-template-columns: 1fr 1fr; }
}