/* ==========================================================================
   TOSBAĞA Siber Güvenlik Topluluğu - Main Stylesheet
   Domain: tosbaga.club
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;600;700&family=Outfit:wght@300;400;600;700;800;900&family=Orbitron:wght@700;900&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* CRT Scanline Overlay Effect */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 4px, 6px 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.7;
}

/* Matrix Background Canvas */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: none;
  pointer-events: none;
}

/* Container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 2;
}

/* Split Logo Layout: Enlarged Orijinal Turtle Icon (Left) + Cyber Text (Right) */
.tosbaga-split-logo-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  user-select: none;
}

.logo-icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.official-turtle-icon {
  height: 62px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.dark-icon-glow .official-turtle-icon {
  filter: drop-shadow(0 0 8px var(--accent-color));
}

.matrix-icon-glow .official-turtle-icon {
  filter: drop-shadow(0 0 10px rgba(0, 255, 65, 0.9));
}

.light-icon-dark .official-turtle-icon {
  filter: brightness(0.15) drop-shadow(0 0 4px rgba(0, 0, 0, 0.2));
}

/* Temporary Dynamic Logo Theme Glow Pulse Animation */
@keyframes logoThemePulse {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px var(--accent-color));
  }
  50% {
    transform: scale(1.22) rotate(-4deg);
    filter: drop-shadow(0 0 25px var(--accent-color)) drop-shadow(0 0 45px var(--accent-color));
  }
  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px var(--accent-color));
  }
}

.official-turtle-icon.pulse-glow {
  animation: logoThemePulse 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.tosbaga-split-logo-wrap:hover .official-turtle-icon {
  transform: scale(1.08) rotate(-2deg);
}

.logo-text-box {
  display: flex;
  flex-direction: column;
}

/* Perfect Turkish Character Font Engine ('Ğ', 'İ', 'Ü', 'Ş') for Logo Main Title */
.logo-main-title {
  font-family: 'Outfit', 'Fira Code', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: 3.5px;
  line-height: 1;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.logo-sub-title {
  font-family: 'Fira Code', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 0.3rem;
  opacity: 0.95;
}

/* Navbar Header */
.header-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Emoji-Free Clean Theme Selector Dropdown */
.theme-select-wrap {
  display: inline-flex;
  align-items: center;
}

.theme-select-dropdown {
  background: var(--btn-bg);
  color: var(--accent-color);
  border: 1px solid var(--border-color);
  font-family: 'Fira Code', monospace;
  font-size: 0.825rem;
  font-weight: 700;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
  transition: all 0.25s ease;
}

.theme-select-dropdown:hover {
  background: var(--btn-hover-bg);
  border-color: var(--accent-color);
  box-shadow: 0 0 12px var(--shadow-glow);
}

.theme-select-dropdown option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
}

.nav-btn {
  background: var(--btn-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-family: 'Fira Code', monospace;
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-btn:hover {
  background: var(--btn-hover-bg);
  border-color: var(--accent-color);
  box-shadow: 0 0 12px var(--shadow-glow);
  transform: translateY(-1px);
}

.matrix-exit-btn {
  background: rgba(0, 180, 255, 0.18) !important;
  color: #00f0ff !important;
  border: 1px solid #00b4ff !important;
  font-weight: 700 !important;
  box-shadow: 0 0 12px rgba(0, 180, 255, 0.5);
}

.matrix-exit-btn:hover {
  background: #00b4ff !important;
  color: #000000 !important;
  box-shadow: 0 0 22px #00f0ff !important;
}

.nav-btn.active-theme-btn {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Hero Section (Focus on Enlarged Shell Terminal) */
.hero-section {
  padding: 2rem 0 3rem 0;
}

.hero-top-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.domain-pill {
  background: var(--accent-glow-bg);
  border: 1px solid var(--border-color);
  color: var(--accent-color);
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  font-weight: 700;
}

.motto-pill {
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
}

.motto-pill:hover {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
  box-shadow: 0 0 15px var(--shadow-glow);
  transform: translateY(-2px);
}

/* Rozet & Certificate Portal Modal Styling */
.rozet-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s ease;
}

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

.rozet-modal-card {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-color);
  border-radius: 16px;
  max-width: 860px;
  width: 92%;
  padding: 2.25rem;
  box-shadow: 0 0 50px var(--shadow-glow);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.rozet-close-btn {
  position: absolute;
  top: 18px;
  right: 22px;
  background: transparent;
  border: none;
  color: var(--accent-color);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.rozet-modal-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.rozet-badge-tag {
  font-family: 'Fira Code', monospace;
  color: var(--accent-color);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.rozet-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.rozet-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-family: 'Fira Code', monospace;
  font-size: 0.95rem;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--shadow-glow);
}

.rozet-error-msg {
  color: #ff4d4d;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.rozet-submit-btn {
  width: 100%;
  background: var(--accent-color);
  color: #000;
  border: none;
  padding: 0.85rem;
  border-radius: 8px;
  font-family: 'Fira Code', monospace;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 0 20px var(--shadow-glow);
  transition: all 0.25s ease;
}

.rozet-submit-btn:hover {
  background: #ffffff;
  box-shadow: 0 0 30px #ffffff;
}

.success-banner {
  background: var(--accent-glow-bg);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 1rem;
  border-radius: 8px;
  font-family: 'Fira Code', monospace;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.canvas-wrap {
  text-align: center;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

#cert-canvas {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 0 30px var(--shadow-glow);
}

.cert-actions {
  text-align: center;
}

.cert-download-btn {
  background: var(--accent-color);
  color: #000;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-family: 'Fira Code', monospace;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 0 20px var(--shadow-glow);
  transition: all 0.25s ease;
}

.cert-download-btn:hover {
  background: #ffffff;
  box-shadow: 0 0 30px #ffffff;
  transform: translateY(-2px);
}

/* Teams Section */
.teams-section {
  padding: 3rem 0 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-tag {
  font-family: 'Fira Code', monospace;
  color: var(--accent-color);
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Team Category & 4-Column Side-By-Side Large Cards Grid */
.team-category-block {
  margin-bottom: 3rem;
}

.team-category-header {
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--accent-color);
  padding-left: 1rem;
}

.category-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.category-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Explicit 4 Columns Side-By-Side Layout on Desktop */
.members-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.member-card-large {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.member-card-large:hover {
  transform: translateY(-7px);
  border-color: var(--accent-color);
  box-shadow: 0 16px 45px var(--shadow-glow);
}

/* Large Executive Photo Header with Official TOSBAĞA Flag Backdrop */
.card-photo-header {
  position: relative;
  width: 100%;
  height: 225px;
  overflow: hidden;
  border-bottom: 2px solid var(--border-color);
  background-color: #040810;
  background-image: radial-gradient(circle at 50% 30%, var(--accent-glow-bg), transparent 75%),
                    url('../assets/images/turtle_icon_white.png');
  background-repeat: no-repeat;
  background-position: center 25%;
  background-size: cover, 110px auto;
}

.member-hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  filter: grayscale(100%) contrast(1.15);
  transition: transform 0.45s cubic-bezier(0.165, 0.84, 0.44, 1), filter 0.45s ease;
}

.member-card-large:hover .member-hero-photo {
  transform: scale(1.08);
  filter: grayscale(100%) contrast(1.25) brightness(1.1);
}

.card-inner-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.card-top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  min-height: 56px;
}

.member-handle-badge {
  font-family: 'Fira Code', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-color);
  background: var(--accent-glow-bg);
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.member-matrix-title {
  font-family: 'Fira Code', monospace;
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.member-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  line-height: 1.2;
  min-height: 32px;
  display: flex;
  align-items: center;
}

.member-role {
  color: var(--accent-color);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  min-height: 48px;
  display: flex;
  align-items: flex-start;
}

.member-bio {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  line-height: 1.45;
  min-height: 84px;
}

.member-skills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
  min-height: 76px;
  align-content: flex-start;
}

.skill-tag {
  font-family: 'Fira Code', monospace;
  font-size: 0.7rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  color: var(--text-primary);
}

.card-footer {
  display: flex;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
  margin-top: auto;
}

.social-link-btn {
  flex: 1;
  text-align: center;
  text-decoration: none;
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  transition: all 0.25s ease;
}

.social-link-btn:hover {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
}

.social-link-btn.linkedin-btn {
  background: rgba(10, 102, 194, 0.15);
  color: #0a66c2;
  border-color: rgba(10, 102, 194, 0.4);
}

.social-link-btn.linkedin-btn:hover {
  background: #0a66c2;
  color: #ffffff;
  border-color: #0a66c2;
  box-shadow: 0 0 12px rgba(10, 102, 194, 0.6);
}

/* Footer */
.main-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-nav);
  padding: 2.5rem 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent-color);
}

.copyright-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: 'Fira Code', monospace;
}

/* Comprehensive Responsive Media Queries */
@media (max-width: 1080px) {
  .members-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
  }

  .nav-actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .theme-select-dropdown,
  .nav-btn {
    font-size: 0.78rem;
    padding: 0.4rem 0.65rem;
  }

  .hero-top-bar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .section-title {
    font-size: 1.75rem;
  }
}

@media (max-width: 520px) {
  .official-turtle-icon {
    height: 44px;
  }

  .logo-main-title {
    font-size: 1.25rem;
  }

  .members-grid {
    grid-template-columns: 1fr;
  }

  .card-photo-header {
    height: 190px;
  }

  .member-card-large {
    border-radius: 12px;
  }

  .rozet-modal-card {
    padding: 1.25rem 1rem;
    width: 96%;
    border-radius: 12px;
  }

  .rozet-title {
    font-size: 1.35rem;
  }

  .cert-download-btn,
  .rozet-submit-btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.85rem;
  }
}