/* Southwest Energy Landscape — shared styles (subpages) */
:root {
  --bg: #faf6ef;
  --ink: #1a1915;
  --muted: #6f6b60;
  --line: #e6dfd1;
  --accent: #c1633a;
  --accent-dark: #9a4d2a;
  --green: #2d4a2b;
  --cream: #f4ecdc;
  --shadow: 0 4px 24px rgba(26, 25, 21, 0.08);
  --radius: 14px;
  --serif: 'Playfair Display', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Helvetica Neue', Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; color: var(--ink); line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); margin-bottom: 0.5em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin: 1.5em 0 0.5em; }
h2 em { font-style: italic; color: var(--accent); }
h3 { font-size: 1.25rem; margin: 1.4em 0 0.4em; }
p { margin: 0 0 1em; max-width: 70ch; }
ul, ol { margin: 0 0 1em 1.4em; }
li { margin-bottom: 0.4em; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 780px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
}
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand-name { font-family: var(--serif); font-size: 1.35rem; color: var(--ink); }
.brand-tag { font-size: 0.7rem; letter-spacing: 0.18em; color: var(--muted); text-transform: uppercase; }
.site-nav ul { list-style: none; margin: 0; display: flex; gap: 28px; align-items: center; }
.site-nav a { color: var(--ink); font-size: 0.95rem; font-weight: 500; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: var(--bg) !important;
  padding: 10px 20px; border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent-dark); text-decoration: none; }

/* Hero */
.hero {
  padding: 70px 0 60px;
  border-bottom: 1px solid var(--line);
}
.hero .eyebrow {
  display: inline-block;
  font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); background: rgba(193, 99, 58, 0.08);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 62ch; margin-top: 18px; }

/* Content sections */
section { padding: 56px 0; }
section + section { border-top: 1px solid var(--line); }
section.band-cream { background: var(--cream); }

/* Cards grid */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 800px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .site-nav ul { gap: 14px; }
  .site-nav li:not(:last-child) { display: none; }
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.card a { color: var(--ink); text-decoration: none; }
.card .more { display: inline-block; margin-top: 12px; color: var(--accent); font-weight: 500; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; color: var(--bg); }
.btn-ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* Form */
form { display: grid; gap: 14px; }
.form-row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}

/* Breadcrumbs */
.breadcrumbs { font-size: 0.85rem; color: var(--muted); margin-bottom: 8px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--accent); }

/* Stat row */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat .num { font-family: var(--serif); font-size: 2.2rem; color: var(--accent); }
.stat .lbl { font-size: 0.85rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }

/* FAQ */
details.faq {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
details.faq summary {
  font-weight: 600;
  font-size: 1.08rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
details.faq summary::after {
  content: '+';
  position: absolute; right: 0; top: 0;
  font-size: 1.4rem; color: var(--accent); font-weight: 300;
}
details.faq[open] summary::after { content: '−'; }
details.faq p { margin-top: 10px; color: var(--muted); }

/* Footer */
.site-footer {
  background: var(--ink);
  color: #d6cfc0;
  padding: 60px 0 30px;
  margin-top: 80px;
}
.site-footer a { color: #fff; }
.site-footer .grid-footer {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 800px) { .site-footer .grid-footer { grid-template-columns: 1fr 1fr; } }
.site-footer h4 { color: #fff; font-family: var(--serif); font-size: 1.1rem; margin-bottom: 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 6px; font-size: 0.92rem; }
.site-footer .copy {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 40px; padding-top: 20px;
  font-size: 0.8rem; color: #8b8578;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--muted); }