/* =========================================================
   TOKENS
   ========================================================= */
:root {
  --color-ink:        #16283F;   /* başlıklar, ana metin */
  --color-ink-soft:   #3B4A5E;
  --color-teal:       #2F6F62;   /* birincil vurgu (sağlık/koruyucu hekimlik) */
  --color-teal-dark:  #234F46;
  --color-bordo:      #7A1F2B;   /* kurumsal vurgu, ikincil - az kullanılır */
  --color-bg:         #F7F6F2;   /* zemin */
  --color-surface:    #FFFFFF;
  --color-border:     #E3E0D8;
  --color-text-muted: #5B6472;

  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 10px;
  --max-width: 1120px;

  --shadow-sm: 0 1px 2px rgba(22, 40, 63, 0.06);
  --shadow-md: 0 8px 24px rgba(22, 40, 63, 0.08);
}

/* =========================================================
   RESET / BASE
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-ink);
  margin: 0;
  line-height: 1.15;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--color-teal-dark); }

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

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

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal-dark);
  margin: 0 0 12px;
}

/* focus visibility */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.header-side {
  display: flex;
  align-items: center;
}

.header-side--left { justify-content: flex-start; }
.header-side--right { justify-content: flex-end; }

.logo--sbu { height: 48px; width: auto; }
.logo--saglik-bakanligi { height: 40px; width: auto; }

.header-kicker {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg) 100%);
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--color-border);
}

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

.hero-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 600;
  max-width: 25ch;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  width: fit-content;
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-meta-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
}

.hero-meta-divider {
  width: 1px;
  align-self: stretch;
  background: var(--color-border);
}

/* =========================================================
   ABOUT
   ========================================================= */
.about { padding: 64px 0; }

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 48px;
}

.about-heading h2 { font-size: 1.7rem; }

.about-body p {
  color: var(--color-ink-soft);
  font-size: 1.02rem;
}

/* =========================================================
   INFO STRIP
   ========================================================= */
.info-strip { padding: 0 0 64px; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.info-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(47, 111, 98, 0.1);
  color: var(--color-teal-dark);
  margin-bottom: 16px;
}
.info-card-icon svg { width: 20px; height: 20px; }

.info-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.info-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* =========================================================
   PROGRAM
   ========================================================= */
.program {
  padding: 64px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.program h2 { font-size: 1.7rem; margin-bottom: 12px; }

.program-note {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 62ch;
  margin-bottom: 32px;
}

.program-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.program-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 640px;
}

.program-table thead th {
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
}

.program-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-ink-soft);
}

.program-table tbody tr:last-child td { border-bottom: none; }

.program-table td.cell-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
}

.program-table td.cell-course {
  font-weight: 600;
  color: var(--color-ink);
}

.instructor-chip {
  background: none;
  border: none;
  padding: 4px 10px;
  margin: -4px -10px;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  color: var(--color-teal-dark);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.instructor-chip:hover,
.instructor-chip:focus-visible {
  background-color: rgba(47, 111, 98, 0.12);
}

/* row highlight when an instructor is active */
.program-table tbody tr[data-dimmed="true"] {
  opacity: 0.35;
}

/* =========================================================
   EĞİTMENLER
   ========================================================= */
.egitmenler { padding: 64px 0; }

.egitmenler h2 { font-size: 1.7rem; margin-bottom: 12px; }

.instructor-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.instructor-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.instructor-card-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.instructor-name {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--color-ink);
}

.instructor-affiliation {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.instructor-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.instructor-toggle-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-teal-dark);
}

.instructor-chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
  color: var(--color-teal-dark);
}

.instructor-card[data-open="true"] .instructor-chevron {
  transform: rotate(180deg);
}

.instructor-card[data-open="true"] .instructor-card-trigger {
  background: rgba(47, 111, 98, 0.06);
}

.instructor-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.instructor-card[data-open="true"] .instructor-panel {
  grid-template-rows: 1fr;
}

.instructor-panel-inner {
  overflow: hidden;
}

.instructor-mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  border-top: 1px solid var(--color-border);
}

.instructor-mini-table td {
  padding: 12px 24px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-ink-soft);
}

.instructor-mini-table tr:last-child td { border-bottom: none; }

.instructor-mini-table td.cell-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
  width: 90px;
}

.instructor-mini-table td.cell-course {
  font-weight: 600;
  color: var(--color-ink);
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact { padding: 64px 0 80px; }

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.contact h2 { font-size: 1.7rem; }

.contact-details p {
  color: var(--color-ink-soft);
  font-size: 1rem;
}

.contact-details a {
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.75);
  padding: 40px 0 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-logos {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  padding: 10px 16px;
  border-radius: 8px;
}

.logo--footer { height: 34px; width: auto; }

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Alt kredi çubuğu (bottom bar) */
.footer-credit {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-credit-wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.footer-credit-text {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 720px) {
  /* Eğitim programı tablosu: yatay kaydırma yerine okunabilir kart görünümü */
  .program-table-wrap {
    overflow-x: visible;
    border: none;
  }

  .program-table { min-width: 0; }

  .program-table thead { display: none; }

  .program-table,
  .program-table tbody,
  .program-table tr,
  .program-table td {
    display: block;
    width: 100%;
  }

  .program-table tr {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    padding: 4px 0;
    background: var(--color-surface);
  }

  .program-table tbody tr:last-child { margin-bottom: 0; }

  .program-table td {
    padding: 10px 20px;
    border-bottom: none;
  }

  .program-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 4px;
  }

  .program-table td.cell-time { padding-top: 18px; }
  .program-table td:last-child { padding-bottom: 18px; }

  .instructor-chip { margin: -4px 0 -4px -10px; }
}

@media (max-width: 860px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .info-grid { grid-template-columns: 1fr; }

  .instructor-list { grid-template-columns: 1fr; }

  .hero { padding: 48px 0 40px; }

  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .hero-meta-divider { display: none; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  /* Header üç kolonlu (logo / başlık / logo) yapısını mobilde de korur */
  .header-inner {
    padding: 12px 14px;
    gap: 8px;
    column-gap: 6px;
  }

  .header-kicker {
    font-size: 0.62rem;
    line-height: 1.25;
    white-space: normal;
  }

  .logo--sbu { height: 30px; }
  .logo--saglik-bakanligi { height: 26px; }
}

@media (max-width: 400px) {
  .header-kicker { font-size: 0.56rem; }
  .logo--sbu { height: 26px; }
  .logo--saglik-bakanligi { height: 22px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.6rem; }
}