/* ==========================================================================
   Philalethic Logic / For the Love of Truth -- site stylesheet
   ========================================================================== */

:root {
  --color-ink:        #1c2740;
  --color-ink-light:  #364566;
  --color-gold:       #b8863b;
  --color-gold-dark:  #96692a;
  --color-cream:      #faf6ee;
  --color-cream-dark: #f0e9d8;
  --color-paper:      #fffdf9;
  --color-border:     #e2d8c3;
  --color-text:       #2a2a2a;
  --color-text-soft:  #55524a;
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans:  'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --max-width: 1080px;
  --radius: 10px;
  --shadow-soft: 0 2px 14px rgba(28, 39, 64, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.6;
}

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  color: var(--color-ink);
  line-height: 1.25;
  margin-top: 0;
}

a {
  color: var(--color-gold-dark);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

p { margin: 0 0 1em; }

/* ---------- Header / nav ---------- */

.site-header {
  background: var(--color-ink);
  border-bottom: 3px solid var(--color-gold);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-gold);
  line-height: 1;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; color: #fff; }
.brand-sub  { font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-cream-dark); }

.site-nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.nav-link {
  color: #f2ede1;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 6px;
}
.nav-link:hover { background: rgba(255,255,255,0.08); text-decoration: none; }
.nav-link.active { background: var(--color-gold); color: var(--color-ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  display: block;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--color-ink) 0%, #2b3a5e 100%);
  color: #f4f0e6;
  padding: 72px 0 84px;
}

.hero .wrap { text-align: center; }

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 14px;
}

.hero h1 {
  color: #fff;
  font-size: 2.6rem;
  max-width: 780px;
  margin: 0 auto 14px;
}

.hero .subtitle {
  font-size: 1.2rem;
  color: var(--color-cream-dark);
  max-width: 640px;
  margin: 0 auto 34px;
  font-family: var(--font-serif);
  font-style: italic;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }

.btn-gold {
  background: var(--color-gold);
  color: var(--color-ink);
}
.btn-gold:hover { background: #cf9a4d; }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.55);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-ink {
  background: var(--color-ink);
  color: #fff;
}
.btn-ink:hover { background: var(--color-ink-light); }

.btn-small { padding: 8px 18px; font-size: 0.85rem; }

/* ---------- Generic sections ---------- */

section { padding: 64px 0; }
.section-alt { background: var(--color-paper); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.section-head { text-align: center; max-width: 700px; margin: 0 auto 44px; }
.section-head h2 { font-size: 2rem; }
.section-head p { color: var(--color-text-soft); font-size: 1.05rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--color-gold-dark);
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Resource cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.card p { color: var(--color-text-soft); flex-grow: 1; }
.card-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

.card-tag {
  display: inline-block;
  background: var(--color-cream-dark);
  color: var(--color-ink);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
  width: fit-content;
}

/* ---------- Why / distinctives list ---------- */

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 700px) { .feature-list { grid-template-columns: 1fr; } }

.feature-item {
  display: flex;
  gap: 14px;
}
.feature-num {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-gold-dark);
  font-size: 1.4rem;
  line-height: 1;
}
.feature-item h4 { margin-bottom: 6px; font-size: 1.05rem; }
.feature-item p { color: var(--color-text-soft); margin: 0; }

/* ---------- Reading / sample-content pages ---------- */

.reading-header {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0 30px;
}

.reading-header h1 { font-size: 2.1rem; margin-bottom: 6px; }
.reading-header .reading-meta { color: var(--color-text-soft); font-size: 0.98rem; }

.reading-toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.reading-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 20px;
  font-family: var(--font-serif);
  font-size: 1.08rem;
}

.reading-body h2 {
  font-size: 1.5rem;
  margin-top: 2.2em;
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--color-gold);
}
.reading-body h2:first-child { margin-top: 0; }

.reading-body h3 {
  font-size: 1.2rem;
  margin-top: 1.8em;
  color: var(--color-gold-dark);
}

.reading-body p { margin: 0 0 1.1em; }
.reading-body ul, .reading-body ol { margin: 0 0 1.1em; padding-left: 1.4em; }
.reading-body li { margin-bottom: 0.5em; }
.reading-body blockquote {
  margin: 1.6em 0;
  padding: 1em 1.4em;
  border-left: 4px solid var(--color-gold);
  background: var(--color-cream);
  font-style: italic;
  color: var(--color-ink);
}
.reading-body .attribution {
  display: block;
  text-align: right;
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin-top: 0.5em;
}
.reading-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-family: var(--font-sans);
  font-size: 0.92rem;
}
.reading-body th, .reading-body td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}
.reading-body thead th {
  background: var(--color-ink);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 700;
}
.reading-body tbody tr:nth-child(even) { background: var(--color-cream); }

.reading-body hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5em 0;
}
.reading-body .chapter-divider {
  text-align: center;
  color: var(--color-gold-dark);
  margin: 2.5em 0;
  font-size: 1.3rem;
  letter-spacing: 0.3em;
}

.sample-note {
  background: var(--color-cream-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-soft);
  max-width: 760px;
  margin: 0 auto 8px;
}

.reading-cta {
  max-width: 760px;
  margin: 40px auto 60px;
  padding: 32px;
  text-align: center;
  background: var(--color-ink);
  color: #f4f0e6;
  border-radius: var(--radius);
}
.reading-cta h3 { color: #fff; margin-bottom: 10px; }
.reading-cta p { color: var(--color-cream-dark); }

/* ---------- Forms ---------- */

.form-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-soft);
}

.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 0.92rem; color: var(--color-ink); }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
  background: #fff;
}
.field textarea { resize: vertical; min-height: 120px; }

.hp-field { position: absolute; left: -9999px; top: -9999px; }

.alert {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 22px;
  font-size: 0.95rem;
}
.alert-success { background: #e6f2e6; border: 1px solid #b7d8b7; color: #23532a; }
.alert-error   { background: #fbe9e7; border: 1px solid #f0b8ae; color: #8a2c1f; }

/* ---------- Seminars ---------- */

.seminar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
@media (max-width: 800px) { .seminar-grid { grid-template-columns: 1fr; } }

.seminar-card {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}
.seminar-card h3 { font-size: 1.4rem; }
.seminar-card .seminar-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0 16px;
}
.pill {
  background: var(--color-cream-dark);
  color: var(--color-ink);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}
.seminar-card ul { padding-left: 1.2em; color: var(--color-text-soft); }
.seminar-card ul li { margin-bottom: 6px; }

/* ---------- Purchase ---------- */

.purchase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  max-width: 900px;
  margin: 0 auto 40px;
}
@media (max-width: 700px) { .purchase-grid { grid-template-columns: 1fr; } }

.purchase-card {
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.purchase-card .price-note {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-gold-dark);
  margin: 10px 0;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-ink);
  color: var(--color-cream-dark);
  margin-top: 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 30px;
  padding: 48px 0 30px;
}
@media (max-width: 700px) { .footer-inner { grid-template-columns: 1fr; } }

.footer-brand { color: #fff; margin-bottom: 12px; }
.footer-blurb { color: #b9c0d4; font-size: 0.92rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #cdd3e2; }
.footer-links a:hover { color: var(--color-gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 18px 0 28px;
  font-size: 0.82rem;
  color: #98a1ba;
}

/* ---------- Misc pages (about) ---------- */

.prose {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--color-text);
}
.prose h2 { margin-top: 1.6em; }

/* ---------- Responsive nav ---------- */

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-ink);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .nav-link { padding: 12px 4px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
}