/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s var(--ease-out), background-color 0.2s, box-shadow 0.2s;
  text-align: center;
  white-space: nowrap;
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    transform: translateY(-2px);
  }
}

.btn:active {
  transform: scale(0.97);
  transition: transform 100ms var(--ease-out);
}

.btn--primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(244, 159, 32, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
}

.btn--secondary {
  background-color: var(--color-secondary-soft);
  color: var(--color-secondary);
}

.btn--secondary:hover {
  background-color: #F8D0D1;
}

.btn--outline {
  background-color: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-text);
}

/* Cards (Apple-inspired: translucent, bordered, soft shadows) */
.card {
  background-color: var(--glass-bg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: var(--radius-large);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .card.interactive:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 16px 40px rgba(244, 159, 32, 0.25);
    border-color: var(--color-primary);
  }
}

.card h3 {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: #ffffff;
  color: #ffffff;
}

.card__image-wrapper {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: var(--color-background-warm);
  overflow: hidden;
}

.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__content {
  padding: clamp(1rem, 3vw, 1.5rem);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Tags & Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
}

.badge--orange {
  background-color: var(--color-primary-soft);
  color: var(--color-warning);
}

.badge--red {
  background-color: var(--color-secondary-soft);
  color: var(--color-error);
}

.badge--green {
  background-color: #DCFCE7;
  color: var(--color-success);
}

/* Form Elements */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-label {
  font-weight: 500;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-small);
  background-color: var(--color-surface, #141414);
  color: var(--color-text);
  color-scheme: dark;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23F49F20' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px 16px;
  padding-right: 2.75rem;
  cursor: pointer;
}

.form-select:hover {
  border-color: rgba(244, 159, 32, 0.45);
}

.form-select option,
.form-select optgroup {
  background-color: #18181b;
  color: #F5F5F5;
  padding: 0.65rem 1rem;
}

.form-select option:disabled {
  color: #71717a;
  background-color: #121214;
}

.form-select option:checked {
  background-color: #F49F20 !important;
  color: #0A0A0A !important;
  font-weight: 600;
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Requirements Box (Departman Tanıtım ve Koşul Kutusu) */
.requirements-box {
  background: rgba(244, 159, 32, 0.04);
  border: 1px solid rgba(244, 159, 32, 0.2);
  border-radius: var(--radius-medium);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
  text-align: left;
}

.requirements-title {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.requirements-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.requirements-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.requirements-list li::before {
  content: "•";
  position: absolute;
  left: 0.5rem;
  color: var(--color-primary);
  font-weight: bold;
}

/* Form Radio & Checkbox Groups */
.form-radio-group,
.form-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.form-radio-label,
.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.07);
  transition: all 0.2s ease;
  line-height: 1.4;
}

.form-radio-label:hover,
.form-checkbox-label:hover {
  background: rgba(244, 159, 32, 0.06);
  border-color: rgba(244, 159, 32, 0.35);
}

.form-radio-label input[type="radio"],
.form-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin: 0;
  flex-shrink: 0;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-background-warm) 50%, var(--color-border) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-small);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* =========================================
   Navbar & Header Components
   ========================================= */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.65rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-family-display);
  flex-shrink: 0;
}

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(0.35rem, 0.8vw, 0.75rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
  flex-shrink: 0;
}

.nav-link,
.nav-toggle {
  font-size: 0.885rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-small);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  background: none;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  line-height: 1.2;
}

.nav-link:hover,
.nav-toggle:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link[aria-current="page"],
.nav-toggle.is-active {
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(244, 159, 32, 0.12);
  border-color: rgba(244, 159, 32, 0.28);
  box-shadow: 0 0 12px rgba(244, 159, 32, 0.08);
}

.nav-cta {
  margin-left: 0.25rem;
  flex-shrink: 0;
}

.nav-cta .btn {
  white-space: nowrap;
  padding: 0.5rem 1.15rem;
  font-size: 0.885rem;
  font-weight: 600;
}

.nav-submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  box-shadow: var(--shadow-md);
  padding: 0.5rem;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s var(--ease-out);
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.nav-item.is-open > .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-submenu--nested {
  position: absolute;
  top: 0;
  left: 100%;
  transform: translateX(10px) translateY(0);
  margin-top: -0.5rem;
  margin-left: 0.5rem;
}

.nav-item--nested.is-open > .nav-submenu--nested {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) translateY(0);
}

/* Hover logic for desktop (only > 1200px) */
@media (min-width: 1201px) {
  /* Invisible bridges to prevent hover loss when moving mouse between menus */
  .nav-submenu::before {
    content: "";
    position: absolute;
    top: -15px;
    left: 0;
    width: 100%;
    height: 15px;
  }
  .nav-submenu--nested::before {
    content: "";
    position: absolute;
    top: 0;
    left: -15px;
    width: 15px;
    height: 100%;
  }

  /* Open on hover */
  .nav-item:hover > .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }

  .nav-item--nested:hover > .nav-submenu--nested {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) translateY(0);
  }

  /* Maintain hover style on toggle when submenu is open */
  .nav-item--nested:hover > .nav-toggle {
    background: var(--color-background-soft);
    color: var(--color-primary);
  }

  /* Rotate SVG arrow on hover */
  .nav-item--nested:hover > .nav-toggle svg {
    transform: rotate(0deg);
  }
}

.nav-submenu a,
.nav-submenu .nav-toggle {
  padding: 0.75rem 1rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
  border-radius: var(--radius-small);
  transition: background 0.2s, color 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.nav-submenu .nav-toggle {
  justify-content: space-between;
}

.nav-submenu a:hover,
.nav-submenu a[aria-current="page"],
.nav-submenu .nav-toggle:hover,
.nav-item--nested.is-open > .nav-toggle {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

.nav-submenu .nav-toggle svg {
  transition: transform 0.3s var(--ease-out);
  transform: rotate(-90deg); /* Point right for desktop flyout */
}

.nav-item--nested.is-open > .nav-toggle svg {
  transform: rotate(0deg); /* Point down when opened */
}

.nav-cta {
  margin-left: 1rem;
}

.nav-cta .btn {
  padding: 0.55rem 1.4rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #F49F20 0%, #E8590C 100%);
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 16px rgba(244, 159, 32, 0.35);
  transition: all 0.25s var(--ease-out);
}

.nav-cta .btn:hover {
  background: linear-gradient(135deg, #F8AE3C 0%, #F06A1E 100%);
  box-shadow: 0 6px 24px rgba(244, 159, 32, 0.55);
  transform: translateY(-2px);
  color: #FFFFFF !important;
}

.menu-button {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  padding: 0.5rem;
  cursor: pointer;
}

/* Technological Animated Hamburger */
.hamburger-icon {
  display: none; /* Hide on desktop */
  width: 36px;
  height: 24px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  z-index: 101;
  overflow: visible;
}

.hamburger-line {
  display: block;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px; /* Sharp tech look */
  transition: all 0.4s cubic-bezier(0.68, -0.2, 0.265, 1.3);
  transform-origin: center;
}

/* Asymmetrical initial state */
.hamburger-icon .hamburger-line:nth-child(1) {
  width: 50%;
  align-self: flex-end;
}

.hamburger-icon .hamburger-line:nth-child(2) {
  width: 100%;
  box-shadow: 0 0 8px rgba(244, 159, 32, 0.4);
  background-color: var(--color-primary);
}

.hamburger-icon .hamburger-line:nth-child(3) {
  width: 50%;
  align-self: flex-start;
}

/* Hover tech pulse */
.hamburger-icon:hover .hamburger-line:nth-child(1) {
  width: 100%;
  background-color: var(--color-primary);
}
.hamburger-icon:hover .hamburger-line:nth-child(3) {
  width: 100%;
  background-color: var(--color-primary);
}

/* Expanded state (X shape with glowing neon effect) */
.hamburger-icon[aria-expanded="true"] .hamburger-line:nth-child(1) {
  width: 100%;
  transform: translateY(11px) rotate(45deg);
  background-color: var(--color-secondary);
  box-shadow: 0 0 10px var(--color-secondary);
}

.hamburger-icon[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger-icon[aria-expanded="true"] .hamburger-line:nth-child(3) {
  width: 100%;
  transform: translateY(-11px) rotate(-45deg);
  background-color: var(--color-secondary);
  box-shadow: 0 0 10px var(--color-secondary);
}

/* =========================================
   Footer Components
   ========================================= */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-meta {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-meta a {
  color: inherit;
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--color-text);
}

/* =========================================
   Responsive Overrides for Header/Footer
   ========================================= */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1200px) {
  .menu-button,
  .hamburger-icon {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 66px; /* height of header approx */
    left: 0;
    width: 100%;
    height: calc(100vh - 66px);
    background: var(--color-background); /* Solid background to prevent text bleed */
    flex-direction: column;
    padding: var(--space-md) var(--space-lg); /* Reduced padding so it's not pushed too far down */
    gap: 0;
    overflow-y: auto;
    /* Cyber-tech circle reveal from the hamburger icon position */
    clip-path: circle(0% at 100% 0%);
    transition: clip-path 0.8s cubic-bezier(0.77, 0, 0.175, 1);
    align-items: stretch;
    z-index: 99;
  }
  
  .nav-menu.is-open {
    clip-path: circle(150% at 100% 0%);
  }

  /* Staggered cascading items for mobile menu */
  .nav-item {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: opacity 0.4s ease, transform 0.4s ease;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .nav-menu.is-open .nav-item {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  .nav-menu.is-open .nav-item:nth-child(1) { transition-delay: 0.1s; }
  .nav-menu.is-open .nav-item:nth-child(2) { transition-delay: 0.15s; }
  .nav-menu.is-open .nav-item:nth-child(3) { transition-delay: 0.2s; }
  .nav-menu.is-open .nav-item:nth-child(4) { transition-delay: 0.25s; }
  .nav-menu.is-open .nav-item:nth-child(5) { transition-delay: 0.3s; }
  .nav-menu.is-open .nav-item:nth-child(6) { transition-delay: 0.35s; }
  .nav-menu.is-open .nav-item:nth-child(7) { transition-delay: 0.4s; }
  .nav-menu.is-open .nav-item:nth-child(8) { transition-delay: 0.45s; }
  .nav-menu.is-open .nav-item:nth-child(9) { transition-delay: 0.5s; }
  .nav-menu.is-open .nav-item:nth-child(10) { transition-delay: 0.55s; }

  /* Bigger, bolder links for mobile tech feel */
  .nav-link, .nav-toggle {
    font-size: 1.25rem;
    font-family: var(--font-family-display);
    font-weight: 700;
    letter-spacing: 1px;
    padding: 1.25rem 0;
    width: 100%;
    justify-content: flex-start; /* Fix icon alignment for items like Ödüllerimiz */
    gap: 1rem;
  }
  
  .nav-toggle {
    justify-content: space-between; /* Only toggles should have space-between */
  }
  
  /* Active link styles for mobile */
  .nav-link[aria-current="page"] {
    color: var(--color-primary);
  }
  
  .nav-submenu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 1.25rem;
    border-left: 2px solid transparent; /* Start transparent for animation */
    margin-top: 0;
    margin-bottom: 0; /* Start at 0 for animation */
    display: flex; /* Flex is kept but height is controlled */
    flex-direction: column;
    max-height: 0; /* Hidden state */
    overflow: hidden; /* Hide overflow */
    opacity: 0;
    visibility: hidden;
    background: transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); /* Animation */
  }

  .nav-submenu a,
  .nav-submenu .nav-toggle {
    padding: 0.75rem 0;
    font-size: 1.1rem;
    font-family: inherit;
    font-weight: 500;
    color: var(--color-text-secondary);
  }
  
  .nav-submenu .nav-toggle svg {
    transform: rotate(0deg); /* Reset to down for mobile accordion */
  }
  
  .nav-item--nested.is-open > .nav-toggle svg {
    transform: rotate(180deg); /* Point up when open */
  }
  
  .nav-submenu a[aria-current="page"] {
    color: var(--color-primary);
  }
  
  .nav-item.is-open > .nav-submenu {
    max-height: 500px; /* Expand height */
    opacity: 1;
    visibility: visible;
    border-left-color: var(--color-primary); /* Reveal tech line */
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    transform: none;
  }
  
  .nav-item--nested {
    border-bottom: none !important;
    padding-bottom: 0;
  }
  
  .nav-submenu--nested {
    position: static;
    margin-left: 0.5rem;
    border-left: 2px solid rgba(255,255,255,0.1);
    width: auto;
  }
  
  .nav-item--nested.is-open > .nav-submenu--nested {
    border-left-color: var(--color-secondary); /* Different color for deeper nesting */
  }
  
  .nav-cta {
    margin-left: 0;
    width: 100%;
    margin-top: 1rem;
  }
  
  .nav-cta .btn {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   Sponsor Marquee & Boxes
   ========================================= */
.sponsor-marquee {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: 1rem 0;
  margin-top: 2rem;
}

.sponsor-marquee::before,
.sponsor-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.sponsor-marquee::before {
  left: 0;
  background: linear-gradient(to right, var(--color-background-warm), transparent);
}
.sponsor-marquee::after {
  right: 0;
  background: linear-gradient(to left, var(--color-background-warm), transparent);
}

.sponsor-marquee__track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.sponsor-marquee:hover .sponsor-marquee__track {
  animation-play-state: paused;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 1rem)); }
}

.sponsor-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-large);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 100px;
  transition: all 0.3s var(--ease-out);
}

.sponsor-box:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.sponsor-logo {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
  transition: transform 0.3s var(--ease-out);
}

.sponsor-box:hover .sponsor-logo {
  transform: scale(1.05);
}

/* =========================================
   Modal (Popup) Components
   ========================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-out), visibility 0.3s var(--ease-out);
}

.modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  width: 90%;
  max-width: 500px;
  position: relative;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
  max-height: 90vh;
  overflow: hidden; /* Changed from overflow-y: auto to hide sliding overlay */
}

/* Rest of modal styles */
.modal-overlay.is-active .modal-content {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  z-index: 20; /* Ensure it stays above if needed, but we'll use a back button */
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.modal-body {
  max-height: calc(90vh - 5rem);
  overflow-y: auto;
  padding-right: 0.5rem; /* For scrollbar */
}

/* Modal specific typography & layout */
.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-primary);
  margin: 0 auto 1rem auto;
  display: block;
}

.modal-info-group {
  margin-bottom: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-medium);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-info-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
  display: block;
}

.modal-info-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.modal-education-layout {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.modal-university-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  background: white;
  border-radius: var(--radius-small);
  padding: 0.25rem;
}

.modal-education-details {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.modal-education-university {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

.modal-education-faculty {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.modal-education-major {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.career-history-toggle {
  width: 100%;
  margin-bottom: 1rem;
}

.career-history-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-surface);
  z-index: 10;
  padding: 2.5rem;
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out);
  overflow-y: auto;
}

.career-history-content.is-open {
  transform: translateY(0);
}

.career-history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.career-history-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.career-history-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.career-history-list li:last-child {
  border-bottom: none;
}

/* --- Preloader (Neon Pulse & Dynamic Status) --- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: radial-gradient(circle at 50% 45%, #18110b 0%, #0c0a09 50%, #050507 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.preloader__backdrop {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 159, 32, 0.14) 0%, rgba(218, 44, 46, 0.05) 50%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(50px);
  animation: preloaderAmbient 4s ease-in-out infinite alternate;
}

@keyframes preloaderAmbient {
  0% { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(1.2); opacity: 1; }
}

.preloader--completed .preloader__logo {
  filter: drop-shadow(0 0 35px rgba(244, 159, 32, 0.95)) drop-shadow(0 0 60px rgba(255, 180, 50, 0.7));
  transform: scale(1.08);
}

.preloader--completed .preloader__ring {
  transform: scale(1.2);
  opacity: 0;
  transition: all 0.5s ease;
}

.preloader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.04);
}

.preloader__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.2rem;
  max-width: 360px;
  width: 88%;
  position: relative;
  z-index: 2;
  text-align: center;
}

/* Logo Wrapper & Glow Rings */
.preloader__logo-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader__glow {
  position: absolute;
  inset: 12px;
  background: radial-gradient(circle, rgba(244, 159, 32, 0.45) 0%, rgba(218, 44, 46, 0.2) 55%, transparent 75%);
  border-radius: 50%;
  filter: blur(22px);
  animation: preloaderNeonAura 2.6s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes preloaderNeonAura {
  0% { transform: scale(0.92); opacity: 0.6; }
  100% { transform: scale(1.12); opacity: 1; filter: blur(26px); }
}

.preloader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.06);
  border-top: 2px solid #f49f20;
  border-right: 2px solid rgba(244, 159, 32, 0.45);
  box-shadow: 0 0 18px rgba(244, 159, 32, 0.35);
  animation: preloaderRingSpin 3.2s linear infinite;
  pointer-events: none;
}

.preloader__ring::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px dashed rgba(244, 159, 32, 0.25);
  animation: preloaderRingSpinReverse 5.5s linear infinite;
}

@keyframes preloaderRingSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes preloaderRingSpinReverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

.preloader__logo {
  width: 72px;
  height: auto;
  position: relative;
  z-index: 3;
  animation: preloaderLogoPulse 2.6s ease-in-out infinite;
  filter: drop-shadow(0 0 18px rgba(244, 159, 32, 0.75)) drop-shadow(0 0 38px rgba(218, 44, 46, 0.35));
  transition: transform 0.4s ease, filter 0.4s ease;
}

@keyframes preloaderLogoPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 16px rgba(244, 159, 32, 0.65)) drop-shadow(0 0 32px rgba(218, 44, 46, 0.3));
  }
  50% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 28px rgba(244, 159, 32, 0.95)) drop-shadow(0 0 50px rgba(244, 100, 32, 0.55));
  }
}

/* Info Panel (Percentage, Progress Bar, Status) */
.preloader__info {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.preloader__percent {
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 0 20px rgba(244, 159, 32, 0.55), 0 0 40px rgba(244, 159, 32, 0.25);
  font-variant-numeric: tabular-nums;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader__progress-bar {
  width: 100%;
  max-width: 260px;
  height: 5px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.6);
}

.preloader__progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #f49f20 0%, #ff7b1a 60%, #ffa733 100%);
  border-radius: 999px;
  box-shadow: 0 0 14px rgba(244, 159, 32, 0.9), 0 0 28px rgba(244, 159, 32, 0.5);
  transition: width 0.2s cubic-bezier(0.2, 0.8, 0.4, 1);
}

.preloader__progress::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 20px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8));
  filter: blur(1px);
}

.preloader__status {
  font-family: var(--font-family-sans, sans-serif);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.03em;
  font-weight: 500;
  min-height: 1.25rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* ========================================= */
/* Testimonials Infinite Marquee (Carousel)  */
/* ========================================= */
.testimonials-marquee-container {
  overflow: hidden;
  width: 100%;
  position: relative;
}

.testimonials-marquee-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  /* Animasyon süresi (25s) kayma hızını belirler */
  animation: scrollMarquee 25s linear infinite;
  padding-left: 1.5rem; /* Başlangıç boşluğu */
}

@media (hover: hover) and (pointer: fine) {
  .testimonials-marquee-track:hover {
    animation-play-state: paused;
  }
}

/* 
   2 grup kart olduğu için tam ortasında ( %50 ) bitirirsek,
   1. grubun bitişi 2. grubun başlangıcına mükemmel bağlanır.
   Gap hesabı: translateX(calc(-50% - 0.75rem))
*/
@keyframes scrollMarquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-50% - 0.75rem));
  }
}