/* ============================================
   KADRO.CSS — Kadro Sayfası
   v3 — Premium Edition
   ============================================ */

/* ---- HERO ---- */
.hero {
  position: relative;
  background: var(--bg);
  padding: 72px 28px 56px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,168,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,168,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  animation: gridSlide 25s linear infinite;
}

@keyframes gridSlide {
  0%   { background-position: 0 0; }
  100% { background-position: 48px 48px; }
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0,168,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-glow);
  border: 1px solid var(--border-active);
  border-radius: 24px;
  padding: 6px 16px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeUp 0.5s 0.05s cubic-bezier(0.22,1,0.36,1) both;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.5s 0.15s cubic-bezier(0.22,1,0.36,1) both;
}

.hero h1 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 15px;
  color: var(--gray);
  font-weight: 300;
  line-height: 1.7;
  max-width: 420px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  animation: fadeUp 0.5s 0.25s cubic-bezier(0.22,1,0.36,1) both;
}

/* ---- KADRO ALANI ---- */
.kadro-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 40px 28px 64px;
}

.kadro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

/* ---- ÖĞRETMEn KARTI — GLASSMORPHISM ---- */
.teacher-card {
  background: rgba(13, 17, 23, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  position: relative;

  /* Giriş animasyonu */
  opacity: 0;
  transform: translateY(28px) scale(0.97);
  transition:
    opacity 0.45s cubic-bezier(0.22,1,0.36,1),
    transform 0.45s cubic-bezier(0.22,1,0.36,1),
    box-shadow 0.35s cubic-bezier(0.22,1,0.36,1),
    border-color 0.22s ease;
}

.teacher-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, rgba(0,168,255,0.04) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s;
}

.teacher-card:hover::before { opacity: 1; }

.teacher-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.teacher-card:hover {
  transform: translateY(-8px) scale(1.012);
  border-color: var(--border-active);
  box-shadow:
    0 24px 64px rgba(0,0,0,0.5),
    0 0 0 1px var(--border-active),
    0 0 48px rgba(0,168,255,0.08);
}

/* Fotoğraf alanı */
.teacher-photo-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #0a0f14;
}

.teacher-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.22,1,0.36,1);
}

.teacher-card:hover .teacher-photo {
  transform: scale(1.06);
}

/* Üst renk şeridi */
.card-stripe {
  height: 2px;
  background: linear-gradient(90deg, var(--blue-dim), var(--blue), #00e5ff, var(--blue-dim));
  background-size: 300% 100%;
  animation: stripeShine 4s ease infinite;
}

@keyframes stripeShine {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Bilgi alanı */
.teacher-info {
  padding: 16px 18px 20px;
}

.teacher-dept {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 6px;
}

.teacher-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  margin-bottom: 4px;
  color: var(--white);
  transition: color 0.2s;
}

.teacher-card:hover .teacher-name { color: var(--blue); }

.teacher-title {
  font-size: 13px;
  color: var(--gray);
}

/* ---- MODAL — PREMIUM ---- */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
  padding: 20px;
}

.modal-bg.open {
  opacity: 1;
  pointer-events: all;
}

.modal-bg.closing {
  opacity: 0;
}

.modal {
  background: rgba(13,17,23,0.95);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-active);
  border-radius: 16px;
  width: 100%;
  max-width: 460px;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(16px);
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1);
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px rgba(0,168,255,0.08);
}

.modal-bg.open .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(0,168,255,0.06);
  border: 1px solid var(--border);
  color: var(--gray);
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10;
}

.modal-close:hover {
  background: rgba(255,60,60,0.1);
  border-color: rgba(255,60,60,0.3);
  color: #ff6b6b;
}

/* Modal header */
.modal-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 24px 0;
}

.modal-photo {
  width: 80px;
  height: 80px;
  border-radius: 14px;
  object-fit: cover;
  border: 2px solid var(--border-active);
  box-shadow: 0 0 20px rgba(0,168,255,0.1);
}

.modal-top-info {
  flex: 1;
  min-width: 0;
}

.modal-dept {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 4px;
}

.modal-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
  line-height: 1.2;
}

.modal-title-el {
  font-size: 13px;
  color: var(--gray);
  margin-top: 2px;
}

/* Modal body */
.modal-body {
  padding: 20px 24px 24px;
}

.modal-bio {
  font-size: 14px;
  line-height: 1.75;
  color: #99aabb;
  margin-bottom: 16px;
}

.modal-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.modal-tag {
  font-size: 11px;
  color: var(--blue);
  background: rgba(0,168,255,0.06);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s;
}

.modal-tag:hover {
  border-color: var(--border-active);
  background: rgba(0,168,255,0.12);
}

/* ---- MOBİL ---- */
@media (max-width: 600px) {
  .hero { padding: 48px 20px 40px; }
  .kadro-section { padding: 28px 16px 48px; }
  .kadro-grid { grid-template-columns: 1fr; gap: 16px; }
  .modal { max-width: 100%; margin: 10px; }
  .modal-photo { width: 64px; height: 64px; }
}