/* ==========================================================
   HABİB UZUNSAKAL - MODERN KİŞİSEL PORTFÖY & DİJİTAL KARTVİZİT
   Design System & Modern Glassmorphism Styling
   ========================================================== */

:root {
  /* Dark Mode (Varsayılan) */
  --bg-base: #090a0f;
  --bg-surface: rgba(18, 22, 34, 0.72);
  --bg-surface-hover: rgba(28, 34, 52, 0.85);
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);
  --border-accent: rgba(79, 172, 254, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7c3aed;
  
  --linkedin-color: #0077b5;
  --linkedin-glow: rgba(0, 119, 181, 0.35);
  --whatsapp-color: #25d366;
  --whatsapp-glow: rgba(37, 211, 102, 0.35);
  --instagram-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  --phone-color: #3b82f6;
  --email-color: #ea4335;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 15px 35px -5px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --shadow-hover: 0 20px 45px -5px rgba(0, 242, 254, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);

  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-base: #f1f5f9;
  --bg-surface: rgba(255, 255, 255, 0.85);
  --bg-surface-hover: rgba(255, 255, 255, 0.95);
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-hover: rgba(255, 255, 255, 0.9);

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.18);
  --border-accent: rgba(14, 165, 233, 0.35);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --shadow-subtle: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 12px 30px -4px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  --shadow-hover: 0 20px 40px -5px rgba(14, 165, 233, 0.12), inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Ambient Background Lights */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.28;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.glow-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #00f2fe, #4facfe);
  top: -150px;
  right: -100px;
}

.glow-orb-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7c3aed, #ec4899);
  bottom: -200px;
  left: -150px;
  animation-duration: 25s;
}

.glow-orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #0077b5, #00f2fe);
  top: 40%;
  left: 30%;
  opacity: 0.12;
  animation-duration: 18s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, -40px) scale(1.1); }
  100% { transform: translate(-40px, 50px) scale(0.95); }
}

/* Layout Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  position: relative;
  z-index: 1;
}

/* Header & Top Bar */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
  padding: 10px 18px;
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.brand-mini {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.brand-mini-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.brand-mini:hover .brand-mini-logo {
  transform: rotate(6deg) scale(1.08);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* Hero Profile Card */
.hero-card {
  background: var(--bg-surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  margin-bottom: 30px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #00f2fe, #4facfe, #7c3aed, #00f2fe);
  background-size: 300% 100%;
  animation: shimmerBorder 6s infinite linear;
}

@keyframes shimmerBorder {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* Profile Avatar / Logo Display */
.avatar-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 24px;
}

.avatar-badge-glow {
  position: absolute;
  inset: -6px;
  border-radius: 36px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0.55;
  filter: blur(14px);
  transition: var(--transition);
  animation: pulseGlow 4s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
  0% { opacity: 0.4; transform: scale(0.96); }
  100% { opacity: 0.75; transform: scale(1.04); }
}

.avatar-container {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  background: #0f121d;
  border: 2px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.avatar-container img, .avatar-container svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.avatar-wrapper:hover .avatar-container {
  transform: translateY(-4px) scale(1.03);
}

.avatar-wrapper:hover .avatar-badge-glow {
  opacity: 0.9;
  filter: blur(18px);
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.3);
  color: #25d366;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #25d366;
  border-radius: 50%;
  box-shadow: 0 0 10px #25d366;
  animation: blink 2s infinite ease-in-out;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-name {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 24px;
  font-weight: 400;
}

/* Quick Action Badges */
.quick-actions-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  transition: var(--transition);
}

.btn-pill:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-pill.primary {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #0c101d;
  border: none;
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.3);
}

.btn-pill.primary:hover {
  box-shadow: 0 10px 28px rgba(0, 242, 254, 0.45);
  transform: translateY(-2px) scale(1.02);
}

/* Bento Grid Section */
.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin: 40px 0 20px 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title i {
  color: var(--accent-cyan);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 30px;
}

@media (max-width: 680px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
}

/* Card Base */
.bento-card {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.bento-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, var(--card-accent, transparent) 0%, transparent 65%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}

.bento-card:hover::after {
  opacity: 1;
}

/* Bento Card Internal Structure */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.bento-card:hover .card-icon-box {
  transform: scale(1.1) rotate(4deg);
}

.card-action-icon {
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
}

.bento-card:hover .card-action-icon {
  color: var(--text-primary);
  transform: translate(2px, -2px);
}

.card-body {
  margin-bottom: 16px;
}

.card-tag {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  word-break: break-word;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.card-btn-action {
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--card-color, var(--text-primary));
}

.btn-mini-copy {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.btn-mini-copy:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Card Themes */
/* 1. LinkedIn (Full Width on desktop for impact!) */
.card-linkedin {
  --card-color: var(--linkedin-color);
  --card-accent: var(--linkedin-glow);
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(0, 119, 181, 0.08) 0%, var(--bg-surface) 100%);
  border-color: rgba(0, 119, 181, 0.25);
}

.card-linkedin .card-icon-box {
  background: #0077b5;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 119, 181, 0.35);
}

/* 2. WhatsApp */
.card-whatsapp {
  --card-color: #25d366;
  --card-accent: var(--whatsapp-glow);
}

.card-whatsapp .card-icon-box {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

/* 3. Phone */
.card-phone {
  --card-color: #3b82f6;
  --card-accent: rgba(59, 130, 246, 0.25);
}

.card-phone .card-icon-box {
  background: #3b82f6;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
}

/* 4. Instagram */
.card-instagram {
  --card-color: #e1306c;
  --card-accent: rgba(225, 48, 108, 0.25);
}

.card-instagram .card-icon-box {
  background: var(--instagram-gradient);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(225, 48, 108, 0.35);
}

/* 5. Email */
.card-email {
  --card-color: #0078d4;
  --card-accent: rgba(0, 120, 212, 0.25);
}

.card-email .card-icon-box {
  background: #0078d4;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 120, 212, 0.35);
}

/* Logo Showcase Section */
.logo-showcase {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-top: 36px;
  box-shadow: var(--shadow-card);
}

.logo-showcase-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-showcase-title h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.logo-showcase-title p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 768px) {
  .logo-grid {
    grid-template-columns: 1fr;
  }
}

.logo-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
}

.logo-item-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.logo-preview-box {
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: #0a0d16;
  margin-bottom: 14px;
  padding: 16px;
  overflow: hidden;
}

.logo-preview-box img, .logo-preview-box svg {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.logo-item-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.logo-item-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.btn-download-logo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: var(--transition);
  margin-top: auto;
}

.btn-download-logo:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

/* Footer */
.footer {
  margin-top: 50px;
  text-align: center;
  padding: 30px 20px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

.footer-meta {
  margin-top: 8px;
  font-size: 0.78rem;
  opacity: 0.75;
}

/* Modal Popup (QR Kod vb.) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.qr-frame {
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius-md);
  margin: 20px auto;
  display: inline-block;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.qr-frame svg, .qr-frame img {
  display: block;
  width: 200px;
  height: 200px;
}

/* Toast Alert */
.toast-container {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #0f172a;
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.toast-container.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-icon {
  color: #25d366;
  font-size: 1.1rem;
}