/* ===== VARIABLES ===== */
:root {
  --color-primary: #1B3D7A;
  --color-secondary: #2D2D2D;
  --color-accent: #F4821F;
  --color-light: #ffffff;
  --color-surface: #F4F8FF;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.3s ease;
  --shadow-card: 0 4px 24px rgba(27,61,122,0.10);
  --shadow-hover: 0 8px 32px rgba(27,61,122,0.18);
}

/* ===== GLOBAL ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: #2D2D2D; line-height: 1.7; }
img { max-width: 100%; height: auto; }
section { overflow: hidden; }

h1, h2, h3, h4, h5, h6, .heading-font {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
}

/* ===== TYPOGRAPHY ===== */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.section-title span { color: var(--color-accent); }

.section-subtitle {
  color: #6B7A99;
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

.section-title-line {
  display: block;
  width: 56px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 1.2rem;
}

.text-accent { color: var(--color-accent) !important; }
.text-primary-brand { color: var(--color-primary) !important; }

/* ===== BUTTONS ===== */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-light);
  border: 2px solid var(--color-accent);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.btn-accent i { transition: transform 0.25s ease; }
.btn-accent:hover {
  background-color: #d96a0c;
  border-color: #d96a0c;
  color: var(--color-light);
}
.btn-accent:hover i { transform: translateX(4px); }

.btn-outline-light-custom {
  background: transparent;
  color: var(--color-light);
  border: 2px solid var(--color-light);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-outline-light-custom:hover { background: var(--color-light); color: var(--color-primary); }

.btn-primary-brand {
  background-color: var(--color-primary);
  color: var(--color-light);
  border: 2px solid var(--color-primary);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.btn-primary-brand i { transition: transform 0.25s ease; }
.btn-primary-brand:hover { background-color: #142d5a; border-color: #142d5a; color: var(--color-light); }
.btn-primary-brand:hover i { transform: translateX(4px); }

/* ===== NAVBAR ===== */
.navbar {
  transition: var(--transition);
  padding: 1.1rem 0;
}
.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-light) !important;
  letter-spacing: -0.02em;
}
.navbar-brand span { color: var(--color-accent); }

.navbar .nav-link {
  color: rgba(255,255,255,0.88) !important;
  font-family: var(--font-heading);
  font-weight: 500;
  padding: 0.4rem 1rem !important;
  transition: color 0.2s ease;
}
.navbar .nav-link:hover { color: var(--color-accent) !important; }

.navbar.scrolled {
  background-color: var(--color-primary) !important;
  box-shadow: 0 2px 20px rgba(27,61,122,0.25);
  padding: 0.7rem 0;
}

/* Offcanvas */
.offcanvas { background: var(--color-primary); }
.offcanvas .nav-link { color: rgba(255,255,255,0.88) !important; }
.offcanvas .nav-link:hover { color: var(--color-accent) !important; }

/* ===== HERO ===== */
.hero-section {
  min-height: 100vh;
  background: url('https://images.unsplash.com/photo-1541339907198-e08756dedf3f?auto=format&fit=crop&w=1600&q=80') center center / cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,61,122,0.82) 0%, rgba(27,61,122,0.60) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-light);
}
.hero-badge {
  display: inline-block;
  background: rgba(244,130,31,0.20);
  border: 1px solid rgba(244,130,31,0.50);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}
.hero-content h1 {
  color: var(--color-light);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.hero-content h1 span { color: var(--color-accent); }
.hero-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 2rem;
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
}
.hs-item { text-align: center; }
.hs-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
}
.hs-label { font-size: 0.8rem; color: rgba(255,255,255,0.75); letter-spacing: 0.04em; }
.hs-divider { width: 1px; background: rgba(255,255,255,0.25); align-self: stretch; }

/* ===== ABOUT ===== */
.about-section { padding: 6rem 0; }
.about-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: visible;
}
.about-img-wrap img {
  border-radius: 20px;
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow-hover);
}
.experience-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--color-accent);
  color: var(--color-light);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  text-align: center;
  font-family: var(--font-heading);
  box-shadow: 0 8px 24px rgba(244,130,31,0.35);
}
.badge-num { display: block; font-size: 2.2rem; font-weight: 800; line-height: 1; }
.badge-label { font-size: 0.78rem; font-weight: 500; opacity: 0.92; }

.check-list { list-style: none; padding: 0; margin: 1.5rem 0; }
.check-list li {
  padding: 0.4rem 0;
  color: #4A5568;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
}
.check-list li i { color: var(--color-accent); font-size: 1rem; flex-shrink: 0; }

/* ===== PROGRAMS ===== */
.programs-section { background: var(--color-surface); padding: 6rem 0; }

.program-card {
  background: var(--color-light);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border-bottom: 3px solid transparent;
  height: 100%;
}
.program-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: rgba(244,130,31,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.program-icon-wrap i { font-size: 1.75rem; color: var(--color-accent); transition: var(--transition); }
.program-card h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
}
.program-card p { font-size: 0.9rem; color: #6B7A99; margin-bottom: 0; line-height: 1.65; }
.program-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-bottom-color: var(--color-accent); }
.program-card:hover .program-icon-wrap { background: var(--color-accent); }
.program-card:hover .program-icon-wrap i { color: var(--color-light); }

/* ===== STATS ===== */
.stats-section {
  background: url('https://images.unsplash.com/photo-1580582932707-520aed937b7b?auto=format&fit=crop&w=1600&q=80') center center / cover no-repeat;
  position: relative;
  padding: 5rem 0;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(27,61,122,0.88);
}
.stats-section .container { position: relative; z-index: 2; }

.stat-box { text-align: center; padding: 1.5rem 1rem; }
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  display: block;
}
.stat-suffix { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--color-accent); }
.stat-label { color: rgba(255,255,255,0.85); font-size: 0.92rem; margin-top: 0.4rem; letter-spacing: 0.03em; display: block; }

/* ===== CAMPUS ===== */
.campus-section { padding: 6rem 0; }

.campus-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  cursor: pointer;
}
.campus-img-wrap { height: 280px; overflow: hidden; }
.campus-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.campus-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(27,61,122,0.88));
  padding: 2rem 1.5rem 1.25rem;
  color: var(--color-light);
}
.campus-overlay h5 { color: var(--color-light); font-family: var(--font-heading); font-weight: 700; margin-bottom: 0.2rem; }
.campus-overlay span { font-size: 0.85rem; color: rgba(255,255,255,0.75); }
.campus-card:hover .campus-img-wrap img { transform: scale(1.07); }

/* ===== TESTIMONIALS ===== */
.testimonials-section { background: var(--color-surface); padding: 6rem 0; }

.testimonial-card {
  background: var(--color-light);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-card);
  max-width: 700px;
  margin: 0 auto;
}
.quote-icon { font-size: 2.5rem; color: var(--color-accent); line-height: 1; margin-bottom: 0.75rem; display: block; }
.testimonial-card p { font-style: italic; color: #4A5568; font-size: 1rem; line-height: 1.75; margin-bottom: 1.25rem; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary); color: var(--color-light);
  font-family: var(--font-heading); font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.reviewer-name { font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); margin-bottom: 0.1rem; }
.reviewer-role { font-size: 0.85rem; color: #6B7A99; }
.stars i { color: var(--color-accent); font-size: 0.9rem; }

.carousel-control-prev, .carousel-control-next { width: auto; opacity: 1; }
.carousel-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-light); font-size: 1.1rem;
  transition: var(--transition);
}
.carousel-btn:hover { background: var(--color-accent); }
.carousel-indicators [data-bs-target] {
  background-color: var(--color-accent);
  width: 8px; height: 8px; border-radius: 50%;
  border: none; opacity: 0.35;
}
.carousel-indicators [data-bs-target].active { opacity: 1; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #1B3D7A 0%, #142d5a 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: rgba(244,130,31,0.12);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { color: var(--color-light); font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-section p { color: rgba(255,255,255,0.82); }

/* ===== FOOTER ===== */
.site-footer { background: #1A1A2E; padding: 4rem 0 0; color: rgba(255,255,255,0.72); }
.footer-brand { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; color: var(--color-light); }
.footer-brand span { color: var(--color-accent); }
.footer-tagline { font-size: 0.88rem; margin-top: 0.5rem; color: rgba(255,255,255,0.55); }
.site-footer h6 {
  color: var(--color-light);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 0.6rem; }
.site-footer ul li a { color: rgba(255,255,255,0.62); text-decoration: none; font-size: 0.9rem; transition: color 0.2s ease; }
.site-footer ul li a:hover { color: var(--color-accent); }

.footer-contact-item { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.85rem; font-size: 0.9rem; }
.footer-contact-item i { color: var(--color-accent); font-size: 1rem; margin-top: 0.1rem; flex-shrink: 0; }

.social-links { display: flex; gap: 0.6rem; margin-top: 1.25rem; }
.social-links a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.62); font-size: 0.95rem;
  text-decoration: none; transition: var(--transition);
}
.social-links a:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.42);
}

/* ===== SCROLL-TOP BTN ===== */
.scroll-top-btn {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-light);
  border: none; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; pointer-events: none;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(244,130,31,0.40);
  z-index: 999;
}
.scroll-top-btn.visible { opacity: 1; pointer-events: all; }
.scroll-top-btn:hover { background: #d96a0c; }

/* ===== STAT % FIX ===== */
.stat-box .d-flex-inline { display: inline; }

/* ===== KURUMSAL SAYFALAR ===== */
.page-hero { background: linear-gradient(135deg,#1B3D7A 0%,#142d5a 100%); padding: 7rem 0 3rem; }
.page-hero .breadcrumb-item a { color: rgba(255,255,255,.6); text-decoration: none; }
.page-hero .breadcrumb-item.active { color: rgba(255,255,255,.9); }
.page-hero h1 { color: #fff; font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; margin-bottom: .4rem; }
.page-hero p { color: rgba(255,255,255,.72); margin: 0; font-size: .97rem; }

.kurumsal-wrap { display: flex; align-items: flex-start; min-height: 80vh; }

.kurumsal-sidebar {
  width: 260px; flex-shrink: 0;
  position: sticky; top: 80px;
  align-self: flex-start;
  padding: 2rem 0;
}
.sidebar-label {
  font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  color: #9AA3B2; text-transform: uppercase;
  padding: 0 1.25rem; margin-bottom: .5rem; display: block;
}
.sidebar-nav { list-style: none; padding: 0; margin: 0; }
.sidebar-nav li a {
  display: flex; align-items: center; gap: .6rem;
  padding: .85rem 1.25rem; border-radius: 10px;
  font-family: var(--font-heading); font-weight: 600; font-size: .95rem;
  color: #4A5568; text-decoration: none;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav li a i { font-size: 1.1rem; width: 20px; text-align: center; color: #9AA3B2; transition: color .2s; }
.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  background: var(--color-surface); color: var(--color-primary); border-left-color: var(--color-accent);
}
.sidebar-nav li a:hover i,
.sidebar-nav li a.active i { color: var(--color-accent); }
.sidebar-divider { height: 1px; background: #E8EDF5; margin: .75rem 1.25rem; }

.kurumsal-content { flex: 1; min-width: 0; padding: 2.5rem 0 2.5rem 3rem; border-left: 1px solid #E8EDF5; }

.content-section { margin-bottom: 4rem; padding-bottom: 4rem; border-bottom: 1px solid #F0F4FB; }
.content-section:last-child { border-bottom: none; margin-bottom: 0; }
.content-section h2 { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 800; color: var(--color-primary); margin-bottom: .35rem; }
.content-section h2 span { color: var(--color-accent); }
.content-section p { color: #4A5568; font-size: .97rem; line-height: 1.8; margin-bottom: 1rem; }
.content-section p:last-child { margin-bottom: 0; }

.content-hero-img { width: 100%; height: 320px; object-fit: cover; border-radius: 16px; margin: 1.5rem 0; display: block; }

.vm-card { border-radius: 14px; padding: 1.5rem; height: 100%; }
.vm-card.vision { background: var(--color-surface); border-left: 4px solid var(--color-primary); }
.vm-card.mission { background: #FFF8F2; border-left: 4px solid var(--color-accent); }
.vm-card h5 { font-family: var(--font-heading); font-weight: 700; margin-bottom: .75rem; display: flex; align-items: center; gap: .5rem; }
.vm-card.vision h5 { color: var(--color-primary); }
.vm-card.mission h5 { color: var(--color-accent); }
.vm-card p { font-size: .93rem; color: #4A5568; line-height: 1.75; margin: 0; }

.yonetim-card { background: #fff; border: 1px solid #E8EDF5; border-radius: 14px; padding: 1.5rem; display: flex; align-items: flex-start; gap: 1rem; transition: box-shadow .25s; }
.yonetim-card:hover { box-shadow: var(--shadow-card); }
.yonetim-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary); color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.yonetim-card h6 { font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); margin-bottom: .2rem; }
.yonetim-title { font-size: .82rem; color: var(--color-accent); font-weight: 600; margin-bottom: .35rem; }
.yonetim-card p { font-size: .87rem; color: #6B7A99; margin: 0; line-height: 1.6; }

.kalite-badge { display: flex; align-items: center; gap: 1rem; padding: 1rem 1.25rem; background: var(--color-surface); border-radius: 12px; border: 1px solid #DDE8FA; margin-bottom: .75rem; }
.kalite-badge .kb-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.kalite-badge .kb-icon.accent { background: var(--color-accent); }
.kalite-badge .kb-icon i { color: #fff; font-size: 1.1rem; }
.kalite-badge h6 { font-family: var(--font-heading); font-weight: 700; color: var(--color-primary); margin-bottom: .1rem; font-size: .95rem; }
.kalite-badge p { font-size: .83rem; color: #6B7A99; margin: 0; }

.tarih-card { background: var(--color-surface); border-radius: 14px; padding: 1.25rem .75rem; text-align: center; }
.tarih-card.accent { background: #FFF8F2; }
.tarih-year { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--color-primary); display: block; }
.tarih-card.accent .tarih-year { color: var(--color-accent); }
.tarih-label { font-size: .82rem; color: #6B7A99; margin-top: .25rem; display: block; }

@media (max-width: 991px) {
  .kurumsal-sidebar { display: none; }
  .kurumsal-content { padding: 1.5rem 0; border-left: none; }
  .mobile-section-nav { display: flex !important; overflow-x: auto; gap: .5rem; padding-bottom: .5rem; margin-bottom: 2rem; -ms-overflow-style: none; scrollbar-width: none; }
  .mobile-section-nav::-webkit-scrollbar { display: none; }
  .mobile-section-nav a { white-space: nowrap; padding: .5rem 1rem; border-radius: 50px; background: var(--color-surface); color: var(--color-primary); font-family: var(--font-heading); font-weight: 600; font-size: .85rem; text-decoration: none; border: 1px solid #DDE8FA; flex-shrink: 0; }
  .mobile-section-nav a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
}
@media (min-width: 992px) { .mobile-section-nav { display: none; } }