:root {
  --brand-claret: #7A1631;
  /* bordo */
  --brand-blue: #2A9DD8;
  /* mavi */
  --brand-dark: #0b132b;
  --brand-light: #f5f7fb;
  --radius: 1.25rem;
  /* modern ekler */
  --radius-lg: 1.5rem;
  --brand-teal: #2ec4b6;
  --brand-sand: #f2e9e4;
  --elev-low: 0 10px 30px rgba(11, 19, 43, .08);
  --elev-high: 0 24px 60px rgba(11, 19, 43, .15);
}

html,
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* Site genel loader */
.site-loader {
  position: fixed;
  inset: 0;
  background: #000; /* tamamen siyah, flaşı engeller */
  display: grid;
  place-items: center;
  z-index: 9999;
  transition: opacity .35s ease;
}
.site-loader.is-hidden { opacity: 0; pointer-events: none; }
.site-loader .spinner {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.25);
  border-top-color: #fff;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.navbar {
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(14, 23, 44, .35);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: background .25s ease, border-color .25s ease;
}

.navbar.scrolled {
  background: rgba(14, 23, 44, .9);
  border-bottom-color: rgba(255, 255, 255, .15);
}

.navbar-brand img {
  height: 80px;
}

/* Navbar link colors */
.navbar .nav-link {
  color: #ffffff !important;
}

.navbar .nav-link:hover {
  color: #ffffff !important;
}

.navbar .nav-link.active {
  color: #ffffff !important;
}

/* Navbar link underline animation */
.navbar .nav-link {
  position: relative;
} 

.navbar .nav-link::after {
  content: "";
  position:absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0.35rem;
  height: 1px;
  width: 0%;
  background: var(--brand-blue);
  border-radius: 1px;
  transition: width .25s ease;
}

.navbar .nav-link:hover::after,
.navbar .nav-link:focus-visible::after,
.navbar .nav-link.active::after {
  width: 50%;
}

.btn-brand {
  background: linear-gradient(135deg, var(--brand-claret), #9c2546);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  box-shadow: var(--elev-low);
}

.btn-brand:hover {
  transform: translateY(-2px);
  background: #fff;
  color: #9c2546;
}

.btn-ghost {
  border-radius: var(--radius);
  color: #fff;
  background: rgba(255,255,255,.06);
  backdrop-filter: saturate(120%);
  background-color: #2A9DD8;
}

.btn-ghost:hover {
  transform: translateY(-2px);
  background: #fff;
  color: #2A9DD8;
}

.text-gradient {
  background: linear-gradient(90deg, var(--brand-blue), #6ec3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  place-items: center;
  color: #fff;
  background-color: #000; /* video yüklenene kadar siyah arka plan */
}

/* Arka plan videosu kullanıldığı için statik görsel kaldırıldı */
.hero::before { content: none; }

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 19, 43, .92), rgba(122, 22, 49, .88));
  opacity: 0; /* başlangıçta gizle (maroon flaşı önle) */
  transition: opacity .35s ease;
}

/* Video oynayınca overlay'i yumuşakça göster */
.hero.is-playing::after { opacity: 1; }

.hero>.container {
  position: relative;
  z-index: 2;
  padding-top: 150px;
}

/* Videolu slider (carousel) stil */
.hero .carousel,
.hero .carousel-inner,
.hero .carousel-item {
  position: absolute;
  inset: 0;
}

.hero .carousel-item { transition: opacity .8s ease; }

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  filter: brightness(.85) contrast(1.02) saturate(.95);
}


.carousel-control-prev,
.carousel-control-next {
  z-index: 3;
}

.pill {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  background: slategray;
  border: 1px solid rgba(255, 255, 255, .25);
  padding: .375rem .75rem;
  border-radius: 999px;
  font-size: .9rem;
}

.kpi-card {
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #ffffff, #f1f4fa);
  box-shadow: 0 10px 30px rgba(11, 19, 43, .08);
  color: #0b132b;
}

.section-light {
  background: var(--brand-light);
}

.badge-soft {
  background: rgba(42, 157, 216, .12);
  color: var(--brand-blue);
  border: 1px solid rgba(42, 157, 216, .25);
  border-radius: 999px;
  padding: .4rem .75rem;
}

.timeline {
  position: relative;
  margin-left: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #e9edf5;
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1.25rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--brand-blue);
  box-shadow: 0 0 0 6px rgba(42, 157, 216, .15);
}

.card-rounded {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(11, 19, 43, .06);
  overflow: hidden;
}

.footer {
  background: linear-gradient(180deg, #0e172c, #0b132b);
  color: #c8d3f5;
}

.footer a {
  color: #e6f1ff;
  text-decoration: none;
}

.countdown .cell {
  min-width: 84px;
  border-radius: .75rem;
  background: #0e172c;
  color: #fff;
  padding: .75rem 1rem;
  text-align: center;
}

.countdown .value {
  font-size: 1.8rem;
  font-weight: 700;
}

.countdown .label {
  font-size: .8rem;
  opacity: .85;
}

.shadow-soft {
  box-shadow: 0 24px 60px -20px rgba(11, 19, 43, .25);
}

.form-check-input:checked {
  background-color: var(--brand-blue);
  border-color: var(--brand-blue);
}

.link-dark:hover {
  color: var(--brand-claret) !important
}

/* Scroll offset for fixed navbar */
html {
  scroll-behavior: smooth;
}

section {
  scroll-margin-top: 100px; /* Navbar yüksekliği + padding */
}

/* Page animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Animation classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-in {
  animation: fadeIn 0.8s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out;
}

/* Staggered animations */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* Navbar active state */
.navbar-nav .nav-link.active {
  color: var(--brand-blue) !important;
  font-weight: 600;
}

.navbar-nav .nav-link:hover {
  color: #b8dfff !important;
}

/* Hover effects for cards */
.card {
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(11, 19, 43, 0.15) !important;
}

/* Button hover animations */
.btn {
  transition: all 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

/* Hero section entrance animation */
.hero .container > * {
  animation: fadeInUp 1s ease-out;
}

.hero .container > *:nth-child(1) { animation-delay: 0.1s; }
.hero .container > *:nth-child(2) { animation-delay: 0.2s; }
.hero .container > *:nth-child(3) { animation-delay: 0.3s; }
.hero .container > *:nth-child(4) { animation-delay: 0.4s; }

/* Avatar placeholder styles */
.avatar-placeholder {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border: 3px solid rgba(42, 157, 216, 0.1);
  transition: all 0.3s ease;
}

.avatar-placeholder:hover {
  transform: scale(1.05);
  border-color: rgba(42, 157, 216, 0.3);
  box-shadow: 0 8px 25px rgba(42, 157, 216, 0.15);
}

.avatar-placeholder i {
  transition: all 0.3s ease;
}

.avatar-placeholder:hover i {
  transform: scale(1.1);
}

/* Avatar image fits the circular container */
.avatar-placeholder .avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  filter: grayscale(70%);

}
/* Grileştirme olmaması istenen avatarlar için */
.avatar-placeholder .avatar-img.no-grayscale {
  filter: none;
}

/* Pink color for female members */
.text-pink {
  color: #e91e63 !important;
}

/* Galeri grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 992px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

.gallery-item {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(11, 19, 43, .08);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.gallery-item .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: linear-gradient(180deg, rgba(11,19,43,.05), rgba(11,19,43,.58));
  color: #fff;
  opacity: 0;
  transition: opacity .25s ease;
  font-weight: 600;
  backdrop-filter: blur(2px);
}

.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:hover .overlay { opacity: 1; }

.gallery-item .overlay i {
  transition: transform .25s ease;
}

.gallery-item:hover .overlay i {
  transform: scale(1.08);
}

/* Jury tabs - modern pill buttons */
#juryTabs {
  gap: .5rem;
}

#juryTabs .nav-link {
  position: relative;
  border-radius: 999px;
  padding: .6rem 1.1rem;
  background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(245,247,251,.95));
  backdrop-filter: saturate(120%) blur(4px);
  border: 1px solid rgba(11, 19, 43, .08);
  color: #0b132b;
  box-shadow: 0 8px 24px rgba(11, 19, 43, .06);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}

#juryTabs .nav-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(11, 19, 43, .12);
  border-color: rgba(11, 19, 43, .15);
}

#juryTabs .nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-blue), #6ec3ff);
  border-color: transparent;
  box-shadow: 0 16px 48px rgba(42, 157, 216, .3);
}

#juryTabs .nav-link.active::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 999px;
  box-shadow: 0 0 0 2px rgba(255,255,255,.25) inset;
  pointer-events: none;
}

.tab-content > .tab-pane {
  animation: fadeIn .3s ease;
}

@media (max-width: 576px) {
  #juryTabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: .25rem;
    scrollbar-width: thin;
  }
  #juryTabs .nav-link { white-space: nowrap; }
}

/* Modern PDF action buttons */
.pdf-toggle-btn {
  background: linear-gradient(135deg, var(--brand-blue), #6ec3ff) !important;
  border: none !important;
  border-radius: var(--radius);
  color: #fff !important;
  box-shadow: var(--elev-low);
  padding: .6rem 1rem; /* override btn-sm to be a tad larger */
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.pdf-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--elev-high);
  filter: saturate(110%);
}

.pdf-toggle-btn:active {
  transform: translateY(0);
}

.pdf-toggle-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 .25rem rgba(42, 157, 216, .35);
}

/* Projeler - etap çubuğu */
.stage-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: lightgrey;
  color: #000;
  padding: .6rem 1rem;
  border-radius: .5rem;
  box-shadow: var(--elev-low);
}
.stage-bar .stage-pill {
  background: #fff;
  color: #000;
  padding: .35rem .75rem;
  border-radius: .4rem;
  font-weight: 700;
}
.stage-bar .stage-title { font-weight: 700; }

/* Projeler - blob rozetler */
.projects-grid .blob-wrap {
  position: relative;
  width: 180px;
  height: 140px;
  margin-inline: auto;
  filter: drop-shadow(0 10px 16px rgba(0,0,0,.18));
}
.projects-grid .blob-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
  transform: rotate(-8deg);
}
.projects-grid .blob-yellow::before { background: #2A9DD8; }
.projects-grid .blob-teal::before { background: #9c2546; }

.projects-grid .badge-circle {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 110px;
  height: 110px;
  background: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 2.25rem;
  color: #50555c;
  box-shadow: 0 8px 20px rgba(0,0,0,.15);
  cursor: pointer; /* sadece orta daire tıklanabilir görünsün */
  pointer-events: auto;
}
.projects-grid .dot {
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
}
.projects-grid .blob-teal .dot { background: #fff; }
.projects-grid .dot-a { bottom: 8px; left: 18px; }
.projects-grid .dot-b { top: 18px; right: 22px; }

@media (max-width: 576px) {
  .projects-grid .blob-wrap { width: 150px; height: 120px; }
  .projects-grid .badge-circle { width: 96px; height: 96px; font-size: 1.9rem; }
}

/* Stage bar tabs */
.stage-bar .stage-tab {
  background: transparent;
  border: none;
  color: inherit;
  font-weight: 700;
  padding: .35rem .75rem;
  border-radius: .3rem;
}
.stage-bar .stage-tab:hover { background: rgba(255,255,255,.18); }
.stage-bar .stage-tab.active { background: #000; color: #fff; }

/* Stage panels */
.stage-panel { animation: fadeIn .25s ease; }
.stage-panel[hidden] { display: none !important; }

/* Proje kodu linki */
.project-code-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid rgba(0,0,0,.2);
  padding-bottom: 2px;
}
.project-code-link:hover {
  color: var(--brand-blue);
  border-bottom-color: var(--brand-blue);
}

/* Tanıtım Videosu split alanı */
.video-split {
  background: linear-gradient(90deg, #2A9DD8  0 50%, transparent 50%);
  overflow: hidden;
  box-shadow: var(--elev-low);
  position: relative;
}

@media (max-width: 992px) {
  .video-split { background: #f4c10f; }
}

.video-thumb img { display:block; }

.play-fab {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: #ffffff;
  color: #ff4d5a;
  display: grid;
  place-items: center;
  border: 4px solid rgba(255, 77, 90, .35);
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
  z-index: 3;
}

.play-fab i { font-size: 2rem; line-height: 1; }

.play-fab:hover { filter: brightness(1.05); }

/* Video alanı animasyonları */
@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 rgba(255, 77, 90, .45); }
  70% { box-shadow: 0 0 0 18px rgba(255, 77, 90, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 77, 90, 0); }
}

@keyframes bob {
  0%,100%{ transform: translate(-50%, -50%) translateY(0); }
  50%{ transform: translate(-50%, -50%) translateY(-4px); }
}

@keyframes imgReveal {
  0% { filter: grayscale(100%) contrast(.9) saturate(.8); transform: scale(1.04); }
  100% { filter: grayscale(0%) contrast(1) saturate(1); transform: scale(1); }
}

@keyframes shine {
  0% { background-position: -150% 0; }
  100% { background-position: 150% 0; }
}

.video-thumb { position: relative; overflow: hidden; }
.video-thumb img { animation: imgReveal .9s ease-out both; }

.video-thumb::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.4) 45%, transparent 60%);
  background-size: 250% 100%;
  animation: shine 2.2s ease-in-out 1.2s 2;
  pointer-events:none;
}

.play-fab { animation: pulseRing 1.8s ease-out infinite, bob 3.2s ease-in-out infinite; }

/* Scroll ile giriş animasyonu */
.video-split .col-lg-6 { opacity: 0; transform: translateY(14px); transition: all .6s ease; }
.video-split.revealed .col-lg-6 { opacity: 1; transform: none; }

/* Video alanında metin rengi (sol sütun) */
#tanitim-video .video-split { color: #fff; }
#tanitim-video .video-split h3 { color: #fff; }
#tanitim-video .video-split .btn-link { color: #fff !important; }
#tanitim-video .video-split .btn-link:hover { opacity: .9; }

/* Belge Listesi Stilleri */
.document-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.document-item {
  padding: 1.25rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border-radius: 0.5rem;
}

.document-item:last-child {
  border-bottom: none;
}

.document-item:hover {
  background-color: rgba(42, 157, 216, 0.04);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.document-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-claret) 100%);
  border-radius: 12px;
  color: white;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.document-item:hover .document-icon {
  transform: scale(1.1) rotate(5deg);
}

.document-item h6 {
  color: var(--brand-dark);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.document-item .text-muted {
  font-size: 0.875rem;
  line-height: 1.5;
}

.document-item .btn {
  transition: all 0.3s ease;
  font-weight: 500;
}

.document-item:hover .btn-dark {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(11, 19, 43, 0.2);
}

/* Responsive düzenlemeler */
@media (max-width: 991px) {
  .document-item {
    padding: 1rem;
  }
  
  .document-icon {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  
  .document-item h6 {
    font-size: 0.9rem;
  }
}