/* ============================================================
   The Arpaciks — shared design system
   Used by all pages except bookatlas.html (which is self-contained).
   ============================================================ */

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

:root {
  /* surfaces */
  --bg: #fbf9f4;
  --bg-alt: #f3ede0;
  --paper: #ffffff;
  --paper-tint: #fdfcf8;

  /* ink */
  --ink: #2f2a25;
  --ink-soft: #5a544c;
  --muted: #9b8e7d;
  --line: #e6dfd1;
  --line-soft: #f0ebde;

  /* persona accents — set --persona on body to switch */
  --warm: #d8a378;
  --warm-soft: #f0d9c0;
  --warm-deep: #b3784a;
  --cool: #6b8e9c;
  --cool-soft: #c9dde4;
  --cool-deep: #4a6f7d;

  /* shared accents */
  --read: #a8c4a2;
  --toread: #e08c8c;

  /* default persona = neutral (overridden per page) */
  --persona: var(--ink);
  --persona-soft: var(--bg-alt);
  --persona-deep: var(--ink);

  --shadow-sm: 0 2px 8px rgba(120,100,70,.08);
  --shadow: 0 6px 20px rgba(120,100,70,.10);
  --shadow-lg: 0 14px 36px rgba(120,100,70,.16);

  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --serif: 'Georgia', 'Iowan Old Style', 'Palatino', serif;
  --sans:  'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
}

/* persona variants — set on <body class="persona-irem"> etc. */
.persona-irem { --persona: var(--warm); --persona-soft: var(--warm-soft); --persona-deep: var(--warm-deep); }
.persona-okan { --persona: var(--cool); --persona-soft: var(--cool-soft); --persona-deep: var(--cool-deep); }

html, body { min-height: 100%; }
body {
  font-family: var(--serif);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- topbar (sub-page chrome) ---------- */
.topbar {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
}
.topbar a {
  color: var(--ink);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 1px;
  transition: color .15s;
}
.topbar a:hover { color: var(--persona); }
.topbar .crumbs { display: flex; align-items: center; gap: 12px; }
.topbar .crumbs .sep { color: var(--muted); font-size: 11px; }
.topbar .brand {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 4px;
  color: var(--persona-deep);
}

/* ---------- page wrapper ---------- */
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 28px 64px;
}
.page-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 28px 64px;
}

/* ---------- profile header (sub-pages) ---------- */
.profile {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
}
.profile .avatar {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  background: var(--persona-soft);
  color: var(--persona-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  margin-bottom: 18px;
  font-family: var(--serif);
  box-shadow: 0 0 0 8px rgba(255,255,255,.6), var(--shadow-sm);
}
.profile h1 {
  font-size: 44px;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--ink);
}
.profile .tagline {
  margin-top: 10px;
  color: var(--muted);
  font-style: italic;
  font-size: 16px;
}

/* ---------- about block ---------- */
.about {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 38px;
  box-shadow: var(--shadow);
  margin-bottom: 48px;
}
.about p { color: var(--ink-soft); font-size: 16px; margin-bottom: 12px; }
.about p:last-child { margin-bottom: 0; }
.about code {
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 13px;
  background: var(--bg-alt);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink);
}

/* ---------- section titles ---------- */
.section-title {
  font-size: 12px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--sans);
  font-weight: 600;
  margin: 0 0 22px;
  text-align: center;
}
.section-title::before, .section-title::after {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--line);
  vertical-align: middle;
  margin: 0 14px;
}

/* ---------- feature cards (the Kitap Atlası pattern) ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-bottom: 56px;
}
.feature {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.feature::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--persona);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s;
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--persona-soft);
}
.feature:hover::before { transform: scaleX(1); }
.feature .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--persona-soft);
  color: var(--persona-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature h3 {
  font-weight: 400;
  font-size: 22px;
  margin-bottom: 8px;
  letter-spacing: .5px;
}
.feature p {
  color: var(--muted);
  font-size: 14.5px;
  flex: 1;
  margin-bottom: 18px;
}
.feature .go {
  color: var(--persona-deep);
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 1px;
  font-weight: 500;
}
.feature.disabled { opacity: .5; pointer-events: none; }
.feature.disabled .go { color: var(--muted); }
.feature.disabled .badge-soon {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--bg-alt);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 1.5px;
  padding: 3px 8px;
  border-radius: 8px;
  text-transform: uppercase;
}

/* ---------- post list ---------- */
.posts { list-style: none; }
.post {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--persona);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 14px;
  transition: transform .15s, box-shadow .15s;
}
.post:hover { transform: translateX(2px); box-shadow: var(--shadow-sm); }
.post .meta {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  display: flex;
  gap: 14px;
}
.post h4 {
  font-weight: 400;
  font-size: 20px;
  margin: 6px 0;
}
.post p { color: var(--ink-soft); font-size: 15px; }
.post a.read-more {
  display: inline-block;
  margin-top: 8px;
  color: var(--persona-deep);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 1px;
  text-decoration: none;
}
.post a.read-more:hover { text-decoration: underline; }

/* ---------- tag chips ---------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.tag {
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--persona-deep);
  padding: 5px 12px;
  border-radius: 14px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 1px;
}

/* ---------- footer ---------- */
.site-footer {
  text-align: center;
  margin-top: 56px;
  padding: 32px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 12px;
  font-family: var(--sans);
  letter-spacing: 2px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 11px 24px;
  border-radius: var(--radius-lg);
  border: none;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 1px;
  cursor: pointer;
  text-decoration: none;
  color: white;
  background: var(--persona);
  transition: background .15s, transform .1s;
}
.btn:hover { filter: brightness(.92); }
.btn:active { transform: scale(.97); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--bg-alt); filter: none; }

/* ---------- responsive ---------- */
@media (max-width: 680px) {
  .profile h1 { font-size: 32px; }
  .about { padding: 24px 22px; }
  .topbar { padding: 12px 16px; }
  .topbar .crumbs { gap: 8px; }
  .topbar a { font-size: 12px; letter-spacing: .5px; }
  .page, .page-narrow { padding: 36px 18px 48px; }
}
