/* ============================================
   ANASAYFA.CSS — Ana Sayfa Özel Stilleri
   Mobile-first — Simya Koleji modern tasarım
   ============================================ */

/* ---------- Section Header (ortak) ---------- */
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-header__tag {
  display: inline-block;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  padding: .3rem .9rem;
  border-radius: 50px;
  margin-bottom: .75rem;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.section-header__title {
  font-size: 1.5rem;
  font-weight: var(--fw-extrabold);
  color: var(--c-dark);
  margin-bottom: .5rem;
  letter-spacing: -.01em;
}

.section-header__desc {
  color: var(--c-gray);
  font-size: .9375rem;
  max-width: 560px;
  margin: 0 auto;
}

.section-header__more {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--c-primary);
  font-weight: var(--fw-semibold);
  font-size: .875rem;
  margin-top: .75rem;
  transition: gap var(--transition);
}

.section-header__more:hover {
  color: var(--c-primary-dark);
  gap: .6rem;
}

.section-header--dark .section-header__title {
  color: var(--c-white);
}

/* ==========================================
   HERO (Full-width slider)
   ========================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #60a5fa 0%, #0072BC 50%, #004A7C 100%);
}

.hero__slider {
  position: relative;
  width: 100%;
}

.hero__slide {
  position: relative;
  display: none;
}

.hero__slide--active {
  display: block;
}

.hero__slide img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,74,124,.85) 0%, rgba(0,74,124,.4) 60%, transparent 100%);
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 540px;
  padding: 0 2.5rem;
}

.hero__badge-text {
  display: inline-block;
  background: var(--c-accent);
  color: var(--c-white);
  font-size: .6875rem;
  font-weight: var(--fw-bold);
  padding: .25rem .75rem;
  border-radius: 50px;
  margin-bottom: .75rem;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.hero__title {
  font-size: 1.5rem;
  font-weight: var(--fw-extrabold);
  color: var(--c-white);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.hero__title strong {
  color: var(--c-accent);
}

.hero__subtitle {
  color: rgba(255,255,255,.8);
  font-size: .875rem;
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.hero__actions {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}

.hero__actions .btn {
  font-size: .75rem;
  padding: .5rem 1rem;
}

/* Slider Arrows */
.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(4px);
  color: var(--c-white);
  border: 1px solid rgba(255,255,255,.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  transition: all var(--transition);
  z-index: 10;
}

.hero__arrow:hover {
  background: rgba(255,255,255,.3);
}

.hero__arrow--prev { left: .75rem; }
.hero__arrow--next { right: .75rem; }

/* ==========================================
   PROGRAMLAR
   ========================================== */
.programlar {
  padding: 2rem 0;
  background: var(--c-light);
}

.programlar__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  align-items: stretch;
}

.program-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: .875rem 1rem;
  transition: all .3s ease;
  color: inherit;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  border-left: 3px solid transparent;
}

.program-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.14);
  color: inherit;
}

.program-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--c-white);
  flex-shrink: 0;
  transition: transform .3s ease;
}

.program-card:hover .program-card__icon {
  transform: scale(1.08) rotate(-3deg);
}

.program-card__body {
  flex: 1;
  min-width: 0;
}

.program-card__title {
  font-size: .875rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: .03em;
  line-height: 1.3;
  margin-bottom: .125rem;
}

.program-card__desc {
  font-size: .75rem;
  color: var(--c-gray);
  line-height: 1.4;
  min-height: 2.8em;
}

.program-card__action {
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: gap .3s ease;
}

.program-card:hover .program-card__action {
  gap: .625rem;
}

/* Renk varyantları */
.program-card--purple { border-left-color: #7c3aed; }
.program-card--purple .program-card__icon { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.program-card--purple .program-card__title { color: #7c3aed; }
.program-card--purple .program-card__action { color: #7c3aed; }

.program-card--blue { border-left-color: var(--c-primary); }
.program-card--blue .program-card__icon { background: linear-gradient(135deg, var(--c-primary), #60a5fa); }
.program-card--blue .program-card__title { color: var(--c-primary); }
.program-card--blue .program-card__action { color: var(--c-primary); }

.program-card--teal { border-left-color: #0d9488; }
.program-card--teal .program-card__icon { background: linear-gradient(135deg, #0d9488, #5eead4); }
.program-card--teal .program-card__title { color: #0d9488; }
.program-card--teal .program-card__action { color: #0d9488; }

.program-card--orange { border-left-color: var(--c-accent); }
.program-card--orange .program-card__icon { background: linear-gradient(135deg, var(--c-accent), #fbbf24); }
.program-card--orange .program-card__title { color: var(--c-accent); }
.program-card--orange .program-card__action { color: var(--c-accent); }

/* ==========================================
   KAMPÜSLER
   ========================================== */
.kampusler {
  padding: 3rem 0;
  background: var(--c-light);
}

.kampusler__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

.kampus-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  background: var(--c-white);
}

.kampus-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.kampus-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.kampus-card__media {
  overflow: hidden;
  position: relative;
}

.kampus-card__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .4s ease;
}

.kampus-card:hover .kampus-card__media img {
  transform: scale(1.06);
}

.kampus-card__overlay {
  position: absolute;
  top: .75rem;
  left: .75rem;
}

.kampus-card__city {
  background: var(--c-primary);
  color: var(--c-white);
  font-size: .6875rem;
  font-weight: var(--fw-bold);
  padding: .25rem .75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.kampus-card__body {
  padding: 1.25rem;
}

.kampus-card__title {
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  color: var(--c-dark);
}

.kampus-card__text {
  color: var(--c-gray);
  font-size: .8125rem;
  margin-top: .25rem;
}

/* Kampüs Etiketleri */
.kampus-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  margin-top: .375rem;
}

.kampus-card__tag {
  display: inline-block;
  font-size: .625rem;
  font-weight: var(--fw-bold);
  color: var(--c-white);
  padding: .15rem .5rem;
  border-radius: 50px;
  letter-spacing: .02em;
  line-height: 1.4;
}

.kampus-card__tag--purple { background: #7c3aed; }
.kampus-card__tag--blue { background: var(--c-primary); }
.kampus-card__tag--teal { background: #0d9488; }
.kampus-card__tag--orange { background: #ea580c; }

.kampus-card__cta {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--c-primary);
  font-size: .8125rem;
  font-weight: var(--fw-semibold);
  margin-top: .75rem;
  transition: gap var(--transition);
}

.kampus-card:hover .kampus-card__cta {
  gap: .6rem;
}

/* ==========================================
   NEDEN SİMYA
   ========================================== */
.neden-simya {
  padding: 2.5rem 0;
  background: var(--c-white);
}

.neden-simya__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .625rem;
}

.feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-light);
  border-radius: var(--radius-md);
  padding: 1rem .75rem;
  text-align: center;
  transition: all .3s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: transparent;
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  margin: 0 auto .625rem;
  transition: all .3s ease;
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.08);
}

/* Renk varyantları */
.feature-card__icon {
  background: var(--c-primary-light);
  color: var(--c-primary);
}

.feature-card:hover .feature-card__icon {
  background: var(--c-primary);
  color: var(--c-white);
}

.feature-card__icon--accent {
  background: #fef3c7;
  color: #d97706;
}

.feature-card:hover .feature-card__icon--accent {
  background: #d97706;
  color: var(--c-white);
}

.feature-card__icon--green {
  background: #d1fae5;
  color: var(--c-green);
}

.feature-card:hover .feature-card__icon--green {
  background: var(--c-green);
  color: var(--c-white);
}

.feature-card__icon--purple {
  background: #ede9fe;
  color: var(--c-purple);
}

.feature-card:hover .feature-card__icon--purple {
  background: var(--c-purple);
  color: var(--c-white);
}

.feature-card__icon--orange {
  background: #ffedd5;
  color: var(--c-orange);
}

.feature-card:hover .feature-card__icon--orange {
  background: var(--c-orange);
  color: var(--c-white);
}

.feature-card__icon--teal {
  background: #ccfbf1;
  color: var(--c-teal);
}

.feature-card:hover .feature-card__icon--teal {
  background: var(--c-teal);
  color: var(--c-white);
}

.feature-card__title {
  font-size: .8125rem;
  font-weight: var(--fw-bold);
  color: var(--c-dark);
  margin-bottom: .25rem;
  line-height: 1.3;
}

.feature-card__text {
  color: var(--c-gray);
  font-size: .6875rem;
  line-height: 1.5;
}

/* ==========================================
   ETKİNLİKLER / HABERLER
   ========================================== */
.etkinlikler {
  padding: 3rem 0;
  background: var(--c-light);
}

.etkinlikler__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

.haber-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--c-white);
  transition: all var(--transition);
}

.haber-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.haber-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.haber-card__media {
  overflow: hidden;
}

.haber-card__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .4s ease;
}

.haber-card:hover .haber-card__media img {
  transform: scale(1.06);
}

.haber-card__body {
  padding: .75rem;
}

.haber-card__date {
  display: inline-block;
  color: var(--c-primary);
  font-size: .5625rem;
  font-weight: var(--fw-bold);
  margin-bottom: .25rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.haber-card__title {
  font-size: .8125rem;
  font-weight: var(--fw-semibold);
  color: var(--c-dark);
  margin-bottom: .25rem;
  line-height: 1.35;
}

.haber-card__excerpt {
  color: var(--c-gray);
  font-size: .6875rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================
   FOTO GALERİ
   ========================================== */
.galeri-section {
  padding: 3rem 0;
  background: #1a1a2e;
}

.galeri-section__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
}

.galeri-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.galeri-item img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  transition: transform .4s ease, filter .4s ease;
}

.galeri-item:hover img {
  transform: scale(1.08);
  filter: brightness(1.1);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  padding: 3rem 0;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: var(--c-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,.03);
}

.cta-section__title {
  font-size: 1.375rem;
  font-weight: var(--fw-extrabold);
  margin-bottom: .75rem;
  position: relative;
}

.cta-section__desc {
  font-size: 1rem;
  opacity: .85;
  margin-bottom: 1.5rem;
  position: relative;
}

.cta-section__actions {
  display: flex;
  gap: .75rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ==========================================
   BREAKPOINTS
   ========================================== */

/* -- Normal mobile (480px+) -- */
@media (min-width: 480px) {
  .neden-simya__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .galeri-section__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* -- Tablet (768px+) -- */
@media (min-width: 768px) {
  .section-header__title {
    font-size: 1.75rem;
  }

  .hero__slide img {
    height: 420px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__content {
    padding: 0;
  }

  .hero__actions .btn {
    font-size: .9375rem;
    padding: .65rem 1.5rem;
  }

  .programlar__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .kampusler__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .neden-simya__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .feature-card {
    padding: 1.25rem 1rem;
  }

  .feature-card__icon {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .feature-card__title {
    font-size: .9375rem;
  }

  .feature-card__text {
    font-size: .8125rem;
  }

  .etkinlikler__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .haber-card__body {
    padding: 1.25rem;
  }

  .haber-card__date {
    font-size: .6875rem;
    margin-bottom: .4rem;
  }

  .haber-card__title {
    font-size: 1rem;
    line-height: 1.4;
  }

  .haber-card__excerpt {
    font-size: .8125rem;
    line-height: 1.6;
  }

  .galeri-section__grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .cta-section__title {
    font-size: 1.625rem;
  }
}

/* -- Desktop (1200px+) -- */
@media (min-width: 1200px) {
  .section-header__title {
    font-size: 2.25rem;
  }

  .hero__slide img {
    height: 550px;
  }

  .hero__title {
    font-size: 2.75rem;
  }

  .hero__subtitle {
    font-size: 1.0625rem;
  }

  .hero__arrow {
    width: 48px;
    height: 48px;
    font-size: 1rem;
  }

  .hero__arrow--prev { left: 2rem; }
  .hero__arrow--next { right: 2rem; }

  .programlar {
    padding: 3.5rem 0;
  }

  .programlar__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }

  .program-card {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.25rem;
    border-left: none;
    border-bottom: 4px solid transparent;
  }

  .program-card--purple { border-bottom-color: #7c3aed; }
  .program-card--blue { border-bottom-color: var(--c-primary); }
  .program-card--teal { border-bottom-color: #0d9488; }
  .program-card--orange { border-bottom-color: var(--c-accent); }

  .program-card__icon {
    width: 72px;
    height: 72px;
    font-size: 1.75rem;
    margin-bottom: .75rem;
  }

  .program-card__title {
    font-size: 1.125rem;
  }

  .program-card__desc {
    font-size: .875rem;
    margin-bottom: .5rem;
  }

  .kampusler__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .neden-simya__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .feature-card {
    padding: 1.75rem 1.25rem;
  }

  .feature-card__icon {
    width: 56px;
    height: 56px;
    font-size: 1.375rem;
    margin-bottom: .875rem;
  }

  .feature-card__title {
    font-size: 1rem;
  }

  .feature-card__text {
    font-size: .875rem;
  }

  .etkinlikler__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .kampusler,
  .neden-simya,
  .etkinlikler,
  .galeri-section,
  .cta-section {
    padding: 5rem 0;
  }

  .cta-section__title {
    font-size: 2.25rem;
  }

  .cta-section__desc {
    font-size: 1.125rem;
  }
}