/* ============================================
   ADEM YAŞAR — KEYGENT AI LANDING PAGE
   Apple/Tesla Aesthetic — Minimal & Clean
   ============================================ */

/* === CSS Custom Properties === */
:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --dark: #0F172A;
  --text: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFC;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --bs-primary: #2563EB;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.02em;
  font-feature-settings: 'kern' 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  transition: all 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
}

/* === Section Utilities === */
.section-padding {
  padding: 120px 0;
}

.section-title {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 40px;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 17px;
  font-weight: 400;
  max-width: 500px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 16px;
}

/* === Card Hover Utility === */
.card-hover {
  transition: all 0.4s ease;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.10);
}


/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  padding: 14px 0;
  transition: all 0.3s ease;
  background: var(--bg-white);
  height: 72px;
  z-index: 1050;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.navbar.scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
  padding: 8px 0;
  height: 56px;
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-logo {
  height: 40px;
  width: auto;
  filter: brightness(0) saturate(100%) invert(30%) sepia(93%) saturate(1768%) hue-rotate(213deg) brightness(97%) contrast(93%);
  transition: all 0.3s ease;
}

.navbar.scrolled .navbar-logo {
  height: 24px;
}

.nav-link {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: var(--text) !important;
  padding: 8px 20px !important;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary) !important;
}

.navbar-toggler {
  border: none;
  padding: 4px 8px;
}

.navbar-toggler:focus {
  box-shadow: none;
}


/* ============================================
   HERO
   ============================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, #FFFFFF 0%, #EFF6FF 50%, #F8FAFC 100%);
  padding-top: 72px;
  overflow: hidden;
}

/* Hero content z-index */
.hero-content {
  position: relative;
  z-index: 1;
}

/* Decorative: Large circle — top right */
.hero-deco-circle-lg {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 1.5px solid rgba(37, 99, 235, 0.18);
  top: -100px;
  right: -100px;
  z-index: 0;
  animation: heroFloat 10s ease-in-out infinite;
}

/* Decorative: Medium circle — bottom left */
.hero-deco-circle-md {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1.5px solid rgba(37, 99, 235, 0.14);
  bottom: 50px;
  left: -80px;
  z-index: 0;
  animation: heroFloat 12s ease-in-out infinite;
  animation-delay: -3s;
}

/* Decorative: Small dot — left */
.hero-deco-dot-1 {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.25);
  top: 30%;
  left: 15%;
  z-index: 0;
  animation: heroFloat 5s ease-in-out infinite;
}

/* Decorative: Small dot — right */
.hero-deco-dot-2 {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.20);
  top: 40%;
  right: 20%;
  z-index: 0;
  animation: heroFloat 6s ease-in-out infinite;
  animation-delay: -2s;
}

/* Decorative: Blur blob — right */
.hero-deco-blob {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.10) 0%, transparent 70%);
  top: 10%;
  right: 5%;
  z-index: 0;
  filter: blur(60px);
  animation: heroFloat 8s ease-in-out infinite;
  animation-delay: -4s;
}

/* Decorative: SVG curved line */
.hero-deco-curve {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

/* Float animation */
@keyframes heroFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* Decorative: Small dot — bottom left */
.hero-deco-dot-3 {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.18);
  top: 60%;
  left: 10%;
  z-index: 0;
  animation: heroFloat 6s ease-in-out infinite;
  animation-delay: -1s;
}

/* Decorative: Small dot — top right */
.hero-deco-dot-4 {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.15);
  top: 25%;
  right: 30%;
  z-index: 0;
  animation: heroFloat 5s ease-in-out infinite;
  animation-delay: -3s;
}

/* Hero parallax transitions */
.hero-left {
  transition: transform 0.4s ease-out;
  will-change: transform;
}

.hero-form-card {
  transition: transform 0.4s ease-out, box-shadow 0.4s ease;
  will-change: transform;
}

.hero-deco-circle-lg,
.hero-deco-circle-md,
.hero-deco-dot-1,
.hero-deco-dot-2,
.hero-deco-dot-3,
.hero-deco-dot-4,
.hero-deco-blob {
  transition: transform 0.6s ease-out;
  will-change: transform;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

  .hero-deco-circle-lg,
  .hero-deco-circle-md,
  .hero-deco-dot-1,
  .hero-deco-dot-2,
  .hero-deco-dot-3,
  .hero-deco-dot-4,
  .hero-deco-blob {
    animation: none;
  }
}

/* Mobilde parallax devre dışı */
@media (max-width: 768px) {
  .hero-left,
  .hero-form-card,
  .hero-deco-circle-lg,
  .hero-deco-circle-md,
  .hero-deco-dot-1,
  .hero-deco-dot-2,
  .hero-deco-dot-3,
  .hero-deco-dot-4,
  .hero-deco-blob {
    transform: none !important;
    will-change: auto;
  }

  /* Mobilde taşmayı önle */
  body {
    overflow-x: hidden;
  }

  .hero-deco-circle-lg,
  .hero-deco-circle-md,
  .hero-deco-blob {
    display: none;
  }

  /* Mobilde navbar scroll'da küçülmesin */
  .navbar.scrolled {
    padding: 14px 0;
    height: 72px;
  }

  .navbar.scrolled .navbar-logo {
    height: 40px;
  }

  /* Mobilde logo genişliğini sınırla, toggler aynı satırda kalsın */
  .navbar-logo {
    height: 32px;
    max-width: 200px;
  }

  .navbar .container-lg {
    flex-wrap: nowrap;
  }
}

.hero-badge,
.hero-title,
.hero-subtitle,
.hero-buttons,
.hero-form-card {
  opacity: 0;
}

.hero-badge {
  display: inline-block;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
}

.hero-title {
  font-family: 'Lato', sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--dark);
  margin-top: 24px;
}

.hero-left {
  text-align: center;
}

.hero-subtitle {
  color: var(--text-secondary);
  max-width: 800px;
  font-size: 18px;
  font-weight: 300;
  margin-top: 24px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* Hero Form Card */
.hero-form-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.hero-form-title {
  font-family: 'Lato', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.hero-form-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.hero-form-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-input {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  width: 100%;
  color: var(--text);
  transition: border-color 0.3s ease;
}

.hero-input::placeholder {
  color: var(--text-muted);
}

.hero-input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.hero-input {
  resize: vertical;
  min-height: 80px;
}

.hero-kvkk {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.4;
}

.hero-kvkk input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.hero-submit-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 14px;
  width: 100%;
  font-size: 16px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-submit-btn:hover {
  background: var(--primary-hover);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
}

.hero-field {
  display: flex;
  flex-direction: column;
}

.hero-input.error {
  border-color: #EF4444;
}

.hero-input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
  border-color: #EF4444;
}

.hero-error {
  font-size: 12px;
  color: #EF4444;
  margin-top: 4px;
  min-height: 0;
  line-height: 1.3;
}

.hero-field-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: -6px 0 0 0;
  font-style: italic;
}

/* Hero Form Success */
.hero-form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 420px;
  border: 2px solid #22C55E;
  border-radius: 20px;
  background: #F0FDF4;
  padding: 36px 32px;
  animation: heroSuccessFadeIn 0.4s ease;
}

.hero-form-success.active {
  display: flex;
}

@keyframes heroSuccessFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.hero-success-title {
  font-family: 'Lato', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #166534;
  margin-top: 20px;
}

.hero-success-text {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: #6B7280;
  margin-top: 8px;
}

.hero-success-reset {
  color: var(--primary);
  font-weight: 500;
  font-size: 15px;
  margin-top: 24px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.hero-success-reset:hover {
  opacity: 0.7;
}

.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary-custom:hover {
  background: var(--primary-hover);
  color: #fff;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
}

.btn-outline-custom {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text);
  padding: 12px 36px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
  display: inline-block;
}

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

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s ease-in-out infinite;
  z-index: 1;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(10px);
  }
}


/* ============================================
   HAKKIMDA (ABOUT)
   ============================================ */
.about-img-wrapper {
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
}

.about-photo {
  width: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 3 / 4;
  transform: scale(1.15);
  transition: transform 0.1s linear;
  will-change: transform;
}

.about-text {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 0;
}

.about-text .reveal-word {
  color: #D1D5DB;
  transition: color 0.3s ease;
  display: inline;
}

.about-social {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.about-social-icon {
  width: 52px;
  height: 52px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: all 0.3s ease;
}

.about-social-icon:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--border);
  color: var(--primary);
}

.footer-mail-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-mail-link:hover {
  color: #fff;
}


/* ============================================
   MARKALARIM (BRANDS)
   ============================================ */
.brand-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid #E5E7EB;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.4s ease;
  cursor: pointer;
  overflow: hidden;
}

.brand-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 0 0 3px 3px;
  transition: width 0.4s ease;
}

.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.10);
  border-color: rgba(37, 99, 235, 0.3);
}

.brand-card:hover::before {
  width: 60%;
}

.brand-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
  position: relative;
}

.brand-card-link:hover {
  text-decoration: none;
  color: inherit;
}

.brand-hover-text {
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--primary);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}

.brand-card-link:hover .brand-hover-text {
  opacity: 1;
  transform: translateY(20px);
}

.brand-logo {
  max-height: 48px;
  width: auto;
  margin-bottom: 16px;
}

.brand-logo-sm {
  max-height: 38px;
}

.brand-logo-xs {
  max-height: 40px;
}

.brand-yt-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.brand-yt-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-card h4 {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--dark);
}

.brand-yt-header h4 {
  font-size: 15px;
  margin-bottom: 0;
  line-height: 1.4;
}

.brand-card p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 0;
  line-height: 1.6;
}


/* ============================================
   EĞİTİM VE DANIŞMANLIK (ACCORDION)
   ============================================ */
.acc-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.acc-section-left {
  flex: 1;
}

.acc-section-btn {
  flex-shrink: 0;
  align-self: center;
}

.acc-list {
  border-bottom: 1px solid var(--border);
}

.acc-item {
  border-top: 1px solid var(--border);
  transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0;
}

.acc-item.active {
  background: var(--primary-light);
  border-radius: 16px;
  border-top-color: transparent;
  margin: -1px 0;
}

.acc-item.active + .acc-item {
  border-top-color: transparent;
}

.acc-header {
  display: flex;
  align-items: center;
  padding: 28px 32px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.acc-num {
  font-family: 'Lato', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-muted);
  width: 100px;
  flex-shrink: 0;
}

.acc-title {
  font-family: 'Lato', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--dark);
  flex: 1;
  margin-bottom: 0;
  transition: color 0.3s ease;
}

.acc-header:hover .acc-title {
  color: var(--primary);
}

.acc-icon {
  font-size: 24px;
  color: var(--text-muted);
  font-weight: 300;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 32px;
  text-align: center;
  flex-shrink: 0;
  line-height: 1;
}

.acc-item.active .acc-icon {
  transform: rotate(45deg);
}

.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.acc-item.active .acc-body {
  max-height: 420px;
}

.acc-body .row {
  padding: 0 10px 10px;
  margin-left: 100px;
  opacity: 0;
  transform: translateY(10px);
}

.acc-item.active .acc-body .row {
  animation: accContentIn 0.45s ease 0.3s forwards;
}

@keyframes accContentIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.acc-subtitle {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--dark);
  font-weight: 600;
  letter-spacing: 0;
  margin-bottom: 12px;
}

.acc-desc {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 0;
}

.acc-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  padding: 5px;
}

.acc-visual img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

.accordion-detail-btn {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  margin-top: 20px;
  display: inline-block;
  transition: all 0.3s ease;
}

.accordion-detail-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}


/* ============================================
   İÇERİK ÜRETİCİLİĞİ (YOUTUBE SLIDER)
   ============================================ */
.video-slider-wrapper {
  position: relative;
}

.video-slider {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding: 8px 0;
}

.yt-section-header {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.yt-section-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
}

.video-slider::-webkit-scrollbar {
  display: none;
}

.video-slide {
  flex: 0 0 calc(33.333% - 16px);
  scroll-snap-align: start;
  text-decoration: none;
  color: inherit;
}

.video-slide:hover {
  text-decoration: none;
  color: inherit;
}

.video-card {
  background: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  height: 100%;
  transition: all 0.3s ease;
}

.video-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.10);
}

.video-thumb {
  aspect-ratio: 16 / 9;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-btn {
  position: absolute;
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1;
}

.video-card:hover .play-btn {
  transform: scale(1.1);
  box-shadow: none;
}

.video-info {
  padding: 20px;
}

.video-info h6 {
  font-family: 'Lato', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--dark);
  margin-bottom: 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Slider Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: all 0.3s ease;
  color: var(--dark);
}

.slider-arrow:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.slider-arrow-left {
  left: -22px;
}

.slider-arrow-right {
  right: -22px;
}

.cta-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
}

.cta-link:hover {
  text-decoration: underline;
  color: var(--primary-hover);
}


/* ============================================
   İLETİŞİM (CONTACT)
   ============================================ */
.contact-section {
  background: #0F172A;
  scroll-margin-top: 88px;
}

.contact-card {
  background: #141B2D;
  border-radius: 24px;
  padding: 48px 40px;
  position: relative;
  border: none;
}

.contact-card::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(37, 99, 235, 1) 0%,
    rgba(37, 99, 235, 0.6) 25%,
    rgba(37, 99, 235, 0.2) 45%,
    transparent 65%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 2px;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.contact-card > * {
  position: relative;
  z-index: 1;
}

.contact-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-title {
  color: #fff !important;
}

.contact-desc {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 16px;
  margin-bottom: 0;
}

.form-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  width: 100%;
  transition: all 0.3s ease;
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

.kvkk-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  cursor: pointer;
  line-height: 1.5;
}

.kvkk-label input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.btn-submit {
  background: var(--primary);
  color: #fff;
  border: none;
  width: 100%;
  padding: 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-submit:hover {
  background: var(--primary-hover);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
}

.form-input.error {
  border-color: #EF4444;
}

.contact-error {
  display: block;
  color: #EF4444;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  margin-top: 2px;
  min-height: 0;
}

.contact-field-hint {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  margin: -4px 0 0 0;
}

.contact-form-success {
  display: none;
  text-align: center;
  padding: 40px 0;
}

.contact-form-success.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 350px;
}

.contact-success-title {
  color: #fff;
  font-family: 'Lato', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 8px;
}

.contact-success-text {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  margin-bottom: 20px;
}

.contact-success-reset {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.contact-success-reset:hover {
  text-decoration: underline;
  color: var(--primary);
}


/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: #0a0a0a;
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  height: 28px;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #fff;
}

.footer-contact-title {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-contact-list {
  margin-bottom: 0;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
}

.footer-contact-item a,
.footer-contact-item span {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.3s ease;
}

.footer-contact-item a:hover {
  color: #fff;
}

.footer-contact-icon {
  width: 20px;
  height: 20px;
  color: rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer-social i[data-lucide="youtube"],
.footer-social i[data-lucide="linkedin"],
.footer-social i[data-lucide="twitter"],
.footer-social i[data-lucide="instagram"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-family: 'Inter', sans-serif;
  font-style: normal;
  line-height: 1;
}

.footer-social i[data-lucide="youtube"]::before {
  content: "▶";
  font-size: 12px;
  margin-left: 2px;
}

.footer-social i[data-lucide="linkedin"]::before {
  content: "in";
  font-size: 12px;
  font-weight: 800;
}

.footer-social i[data-lucide="twitter"]::before {
  content: "X";
  font-size: 13px;
  font-weight: 800;
}

.footer-social i[data-lucide="instagram"]::before {
  content: "◎";
  font-size: 18px;
  font-weight: 700;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  margin-top: 48px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
  margin-bottom: 0;
}


/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .section-padding {
    padding: 80px 0;
  }

  .hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
  }

  .video-slide {
    flex: 0 0 calc(50% - 12px);
  }

  .slider-arrow-left {
    left: -16px;
  }

  .slider-arrow-right {
    right: -16px;
  }
}

/* Mobile Landscape */
@media (max-width: 768px) {
  .contact-captcha-row {
    flex-direction: column !important;
  }

  .contact-captcha-row .cf-turnstile {
    width: 100%;
  }

  .contact-captcha-row .btn-submit {
    width: 100%;
  }

  .section-padding {
    padding: 64px 0;
  }

  .hero-section {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 80px;
    overflow: hidden;
  }

  .hero-left {
    text-align: center;
    overflow-wrap: break-word;
    word-break: break-word;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-form-card {
    margin-top: 40px;
  }

  .btn-primary-custom,
  .btn-outline-custom {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .scroll-indicator {
    display: none;
  }

  .video-slide {
    flex: 0 0 80%;
  }

  .slider-arrow {
    width: 36px;
    height: 36px;
  }

  .slider-arrow-left {
    left: -8px;
  }

  .slider-arrow-right {
    right: -8px;
  }

  .about-photo {
    margin-bottom: 40px;
  }

  .contact-card {
    padding: 32px 24px;
  }

  .contact-card .col-lg-5 {
    margin-bottom: 32px;
  }

  .acc-section-header {
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
    align-items: center;
    text-align: center;
  }

  .acc-section-btn {
    align-self: center;
  }

  .acc-num {
    font-size: 16px;
    width: 60px;
  }

  .acc-title {
    font-size: 18px;
  }

  .acc-header {
    padding: 24px 20px;
  }

  .acc-body .row {
    padding: 0 20px 24px;
    margin-left: 60px;
  }

  .footer-social {
    margin-top: 16px;
  }

  .navbar-collapse {
    background: var(--bg-white);
    padding: 16px 0;
    margin-top: 8px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    z-index: 1060;
  }

  .navbar-collapse .nav-link {
    padding: 12px 20px !important;
  }

  /* Profil fotoğrafı mobilde zoom kapat */
  .about-photo {
    transform: none !important;
  }

  /* İletişimde Kalın: yazı üstte, ikonlar bir satır altta yan yana */
  .about-social-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .about-social-icons-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }

  /* YouTube section başlığı mobilde küçült */
  .yt-section-header h2.section-title {
    font-size: 1.25rem;
  }

  .yt-section-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Mobile Portrait */
@media (max-width: 480px) {
  .yt-section-header h2.section-title {
    font-size: 1.1rem;
  }
}

@media (max-width: 375px) {
  .hero-badge {
    font-size: 13px;
    padding: 8px 18px;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .brand-card {
    padding: 28px 24px;
  }
}