/* ============================================================
   Prof. Dr. Fatma Kafalı Yılmaz — site styles
   "E paleti": yeşil/toprak/gökyüzü palet sistemi
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* E paleti */
  --crest-bg: #1a3a24;
  --crest-text: #e6f5d8;
  --crest-accent: #a4d471;

  --nav-bg: #5a8a3a;
  --nav-ink: #fbfbf6;
  --nav-accent: #cbe7f3;

  --left-bg: #eaf2da;
  --left-ink: #1a2a1c;
  --left-rule: #bcd49a;

  --center-bg: #fbfbf6;
  --center-ink: #1a2a1c;

  --right-bg: #dceef5;
  --right-ink: #0f2730;
  --right-rule: #9cc8d8;

  --footer-bg: #f5dec0;
  --footer-text: #3a1f10;
  --footer-accent: #1a3a24;

  --green-deep: #1a3a24;
  --accent-leaf: #5a8a3a;
  --accent-sky: #1d7aa8;
  --accent-soil: #c25a2a;

  --rule: #cdddc4;
  --muted: #5d6e74;

  --soil-light: #f5dec0;
  --soil-dark: #3a1f10;
  --soil-rule: #d8a674;

  --sky-light: #dceef5;
  --sky-dark: #0f2730;
  --sky-rule: #9cc8d8;

  --leaf-light: #eaf2da;
  --leaf-dark: #1a2a1c;
  --leaf-rule: #bcd49a;

  /* Fonts */
  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

/* ─────────────  Base reset  ───────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--center-ink);
  background: var(--center-bg);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

input:focus, textarea:focus, select:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent-leaf);
  outline-offset: 2px;
}

/* ─────────────  Header  ───────────── */
.crest {
  background: var(--crest-bg);
  color: var(--crest-text);
  padding: 10px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.crest .crest-accent { color: var(--crest-accent); }

.site-nav {
  background: var(--nav-bg);
  padding: 22px 56px 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 2px solid var(--green-deep);
}
.site-nav .brand { flex: 0 1 auto; min-width: 0; }
.site-nav .brand-name {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--nav-ink);
  white-space: nowrap;
  text-decoration: none;
  display: block;
}
.site-nav .brand-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: rgba(251, 251, 246, 0.78);
  margin-top: 6px;
  font-weight: 400;
  white-space: nowrap;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0 0 4px 0;
  display: flex;
  gap: 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--nav-ink);
  flex: 0 0 auto;
}
.site-nav a {
  color: rgba(251, 251, 246, 0.85);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
  transition: color 0.12s, border-color 0.12s;
}
.site-nav a:hover { color: #fff; }
.site-nav a.active {
  color: #fff;
  border-bottom-color: var(--nav-accent);
}

/* ─────────────  Footer  ───────────── */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 14px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-footer .footer-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--footer-accent);
}
.site-footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.12s;
}
.site-footer a:hover { border-bottom-color: currentColor; }

/* ─────────────  Page shell  ───────────── */
.page {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* ─────────────  Common: stripe box (image placeholder)  ───────────── */
.stripe-box {
  width: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 12px 14px;
  background: repeating-linear-gradient(
    45deg,
    var(--stripe-bg, var(--rule)) 0 6px,
    var(--stripe-fg, rgba(0,0,0,0.18)) 6px 7px
  );
}
.stripe-box .stripe-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--stripe-text, rgba(0,0,0,0.55));
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ─────────────  Common: section kicker  ───────────── */
.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-leaf);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.kicker.kicker-soil { color: var(--accent-soil); }
.kicker.kicker-sky { color: var(--accent-sky); }

/* ─────────────  Responsive (tablet / mobile)  ───────────── */
@media (max-width: 960px) {
  .crest, .site-nav, .site-footer { padding-left: 24px; padding-right: 24px; }
  .site-nav { flex-wrap: wrap; gap: 16px; }
  .site-nav .brand-name { font-size: 24px; }
  .site-nav .brand-tag { font-size: 13px; white-space: normal; }
  .site-footer { flex-wrap: wrap; gap: 8px; }
}

@media (max-width: 600px) {
  .crest { font-size: 10px; gap: 8px; flex-wrap: wrap; }
  .crest span { white-space: normal; }
}