/* Fervent Corp — shared stylesheet
   Theme system: data-theme attribute on <html>, stored in localStorage["fervent-theme"] */

:root {
  --forest: #1c3a2e;
  --forest-deep: #0e1f18;
  --copper: #b5652d;
  --copper-light: #d68a52;
  --paper: #f6f4ef;
  --paper-alt: #ebe7dd;
  --ink: #1c211e;
  --ink-soft: #525c56;
  --border: #dad4c4;
  --card-bg: #ffffff;
  --header-bg: rgba(246, 244, 239, 0.92);
  --shadow: 0 10px 30px rgba(28, 58, 46, 0.1);
  --radius: 10px;
  --max-width: 1140px;
  --font-body: "Segoe UI", -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
  --font-head: Georgia, "Times New Roman", serif;
}

html[data-theme="dark"] {
  --forest: #d68a52;
  --copper: #d68a52;
  --copper-light: #e6ab7e;
  --paper: #0d1512;
  --paper-alt: #131f1a;
  --ink: #eef1ee;
  --ink-soft: #a7b3ac;
  --border: #223129;
  --card-bg: #131f1a;
  --header-bg: rgba(13, 21, 18, 0.92);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  transition: background 0.2s ease, color 0.2s ease;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.brand .brand-accent { color: var(--copper); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--copper);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-hint {
  position: absolute;
  top: 50px;
  right: -8px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
  box-shadow: var(--shadow);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 200;
}

.theme-hint.show { opacity: 1; transform: translateY(0); }

.theme-hint::after {
  content: "";
  position: absolute;
  top: -5px;
  right: 16px;
  width: 10px;
  height: 10px;
  background: var(--ink);
  transform: rotate(45deg);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  cursor: pointer;
  font-size: 18px;
  color: var(--ink);
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--forest);
  color: var(--paper);
}
html[data-theme="dark"] .btn-primary { color: var(--forest-deep); }

.btn-primary:hover { box-shadow: var(--shadow); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-outline:hover { background: var(--ink); color: var(--paper); }

.btn-gold {
  background: var(--copper);
  color: #fff;
}
html[data-theme="dark"] .btn-gold { color: var(--forest-deep); }

/* ---- Hero ---- */
.hero {
  padding: 190px 0 110px;
  background: linear-gradient(180deg, var(--paper-alt) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--border);
}

.hero .eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 18px;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: 48px;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 780px;
}

.hero p.lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 0 34px;
}

.hero .hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---- Sections ---- */
section { padding: 90px 0; }

.section-alt { background: var(--paper-alt); }

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

.section-head h2 {
  font-family: var(--font-head);
  font-size: 34px;
  margin: 0 0 14px;
}

.section-head p { color: var(--ink-soft); margin: 0; }

/* ---- Grid / cards ---- */
.grid {
  display: grid;
  gap: 28px;
}

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

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
}

.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--copper);
}

.card h3 {
  font-family: var(--font-head);
  font-size: 21px;
  margin: 0 0 12px;
}

.card p { color: var(--ink-soft); margin: 0; font-size: 15px; }

/* ---- Stats ---- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat .num {
  font-family: var(--font-head);
  font-size: 40px;
  color: var(--copper);
}

.stat .label {
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---- CTA band ---- */
.cta-band {
  background: var(--forest);
  color: var(--paper);
  text-align: center;
  padding: 70px 0;
}
html[data-theme="dark"] .cta-band { background: var(--paper-alt); color: var(--ink); }

.cta-band h2 {
  font-family: var(--font-head);
  font-size: 30px;
  margin: 0 0 14px;
}

.cta-band p { opacity: 0.85; margin: 0 0 30px; }

/* ---- Page header (interior pages) ---- */
.page-header {
  padding: 150px 0 60px;
  background: var(--paper-alt);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-header .eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

.page-header h1 {
  font-family: var(--font-head);
  font-size: 40px;
  margin: 0;
}

/* ---- Two-column content ---- */
.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.two-col img,
.image-placeholder {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--paper-alt), var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 14px;
  text-align: center;
  padding: 20px;
}

/* ---- Team ---- */
.team-card {
  text-align: center;
}

.team-card .avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--paper-alt);
  border: 1px solid var(--border);
}

.team-card h3 { margin-bottom: 4px; }
.team-card .role {
  font-size: 13px;
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info .item {
  display: flex;
  gap: 16px;
  margin-bottom: 26px;
}

.contact-info .item .icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--copper);
  flex-shrink: 0;
}

.contact-info .item h4 { margin: 0 0 4px; font-size: 15px; }
.contact-info .item p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink-soft);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
}

.field textarea { resize: vertical; min-height: 120px; }

.note-callout {
  border: 1px dashed var(--copper);
  background: var(--paper-alt);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 18px;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--forest-deep);
  color: #d3ded8;
  padding: 60px 0 30px;
}

html[data-theme="dark"] .site-footer {
  background: var(--paper-alt);
  color: var(--ink-soft);
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: 0 0 18px;
}

html[data-theme="dark"] .footer-grid h4 { color: var(--ink); }

.footer-grid p, .footer-grid a {
  font-size: 14px;
  color: #a9bdb1;
  display: block;
  margin-bottom: 10px;
}

html[data-theme="dark"] .footer-grid p,
html[data-theme="dark"] .footer-grid a { color: var(--ink-soft); }

.footer-grid a:hover { color: var(--copper-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 13px;
  color: #87998e;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

html[data-theme="dark"] .footer-bottom { border-top-color: var(--border); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .two-col, .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .hero { padding: 150px 0 70px; }
  .hero h1 { font-size: 34px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
