/* =========================================
   ATİK DERNEĞİ — ANA STİL SİSTEMİ
   style.css
   ========================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* =========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================= */
:root {
  /* Renkler */
  --primary:       #1B5FA8;
  --primary-dark:  #0D3D72;
  --primary-light: #2E7EC7;
  --teal:          #00B5C8;
  --teal-dark:     #0090A1;
  --teal-light:    #33C5D5;
  --navy:          #0D2B55;
  --sky-light:     #E8F4FD;
  --sky-bg:        #F0F8FF;
  --accent-green:  #2ECC71;
  --accent-orange: #F39C12;
  --accent-red:    #E74C3C;

  /* Metin */
  --text-dark:   #1A1A2E;
  --text-body:   #374151;
  --text-gray:   #6B7280;
  --text-light:  #9CA3AF;

  /* Arka Planlar */
  --bg-white:  #FFFFFF;
  --bg-light:  #F9FAFB;
  --bg-sky:    #F0F8FF;
  --bg-section:#EEF5FF;

  /* Tipografi */
  --font-heading: 'Outfit', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Boyutlar */
  --container:  1200px;
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  30px;

  /* Gölgeler */
  --shadow-sm:  0 2px 8px rgba(27,95,168,0.08);
  --shadow-md:  0 8px 24px rgba(27,95,168,0.12);
  --shadow-lg:  0 20px 48px rgba(27,95,168,0.16);
  --shadow-card:0 4px 20px rgba(0,0,0,0.07);

  /* Geçişler */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Navbar yüksekliği */
  --navbar-h: 72px;
}

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

/* Visually Hidden for SEO */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol { list-style: none; }

button {
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: var(--transition);
}

input, textarea, select {
  font-family: var(--font-body);
  outline: none;
}

/* =========================================
   LAYOUT UTILITIES
   ========================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-gray);
  margin-top: 12px;
  max-width: 540px;
}

.section-header {
  margin-bottom: 56px;
}

.section-header.center {
  text-align: center;
}

.section-header.center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--sky-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.badge.teal {
  background: rgba(0,181,200,0.12);
  color: var(--teal-dark);
}

/* Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: center;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(27,95,168,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27,95,168,0.45);
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.btn-teal {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,181,200,0.35);
}

.btn-teal:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,181,200,0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(27,95,168,0.08);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  height: 100%;
  max-width: 1400px; /* geniş menü için navbar'a ekstra alan */
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.navbar-logo img {
  height: 44px;
  width: auto;
}

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

.navbar-logo-text .brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.navbar-logo-text .brand-sub {
  font-size: 0.62rem;
  color: var(--text-gray);
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.navbar-link {
  position: relative;
  padding: 7px 11px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap; /* menü öğeleri asla iki satıra kırılmasın */
}

.navbar-link::before {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--teal));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.navbar-link:hover {
  color: var(--primary);
  background: var(--sky-light);
}

.navbar-link:hover::before,
.navbar-link.active::before {
  transform: scaleX(1);
}

.navbar-link.active {
  color: var(--primary);
  background: var(--sky-light);
}

.navbar-cta {
  margin-left: 0;
  white-space: nowrap;
}
/* Navbar responsive kademeleri pages.css sonundadır (yükleme sırası gereği) */

/* Hamburger */
.navbar-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  cursor: pointer;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* =========================================
   DROPDOWN MENU
   ========================================= */
.navbar-item {
  position: relative;
}

.navbar-item:hover > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  min-width: 220px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 48px rgba(13,43,85,0.15);
  border: 1px solid rgba(27,95,168,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  transition-delay: 0.28s;
  pointer-events: none;
  z-index: 1001;
  overflow: visible;
}

/* Menü linki ile dropdown arasındaki boşluğu dolduran görünmez köprü —
   fare aşağı inerken hover kesintiye uğramaz, menü erken kapanmaz */
.dropdown::after {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
  background: transparent;
}

.dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  margin-left: -7px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-left: 1px solid rgba(27,95,168,0.08);
  border-top: 1px solid rgba(27,95,168,0.08);
  transform: rotate(45deg);
}

.dropdown-item {
  position: relative;
}

.dropdown-item:hover > .dropdown-sub {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
  transition-delay: 0s;
}

.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-body);
  transition: var(--transition);
  white-space: nowrap;
  border-radius: 0;
}

.dropdown-link:first-child { border-radius: var(--radius-md) var(--radius-md) 0 0; }
.dropdown-item:last-child .dropdown-link { border-radius: 0 0 var(--radius-md) var(--radius-md); }

.dropdown-link:hover {
  background: var(--sky-light);
  color: var(--primary);
  padding-left: 22px;
}

.dropdown-link .arrow {
  font-size: 0.7rem;
  color: var(--text-light);
  transition: var(--transition);
}

.dropdown-item:hover .dropdown-link .arrow {
  color: var(--primary);
  transform: rotate(0deg);
}

/* 3. Seviye: Sub-dropdown */
.dropdown-sub {
  position: absolute;
  left: 100%;
  top: -4px;
  min-width: 210px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 48px rgba(13,43,85,0.15);
  border: 1px solid rgba(27,95,168,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  transition: var(--transition);
  transition-delay: 0.28s;
  pointer-events: none;
  z-index: 1002;
}

/* Alt-menü ile üst öğe arasındaki dikey boşlukta hover köprüsü */
.dropdown-sub::before {
  content: '';
  position: absolute;
  top: 0;
  left: -10px;
  width: 10px;
  height: 100%;
  background: transparent;
}

.dropdown-sep {
  height: 1px;
  background: rgba(27,95,168,0.07);
  margin: 4px 12px;
}

/* Navbar link ile dropdown için ok */
.navbar-link.has-dropdown {
  padding-right: 26px;
}

.navbar-link.has-dropdown::after {
  content: '▾';
  position: absolute;
  right: 11px;
  top: 50%;
  font-size: 0.62rem;
  color: var(--text-light);
  transform: translateY(-50%);
  transition: transform var(--transition), color var(--transition);
}

.navbar-item:hover > .navbar-link.has-dropdown::after {
  color: var(--primary);
  transform: translateY(-50%) rotate(180deg);
}

/* Mobile Menu — sağdan açılan tam ekran panel */
.navbar-mobile {
  display: none;
  position: fixed;
  top: var(--navbar-h);
  right: 0;
  bottom: 0;
  width: 100%;
  background: #fff;
  padding: 24px 22px 40px;
  flex-direction: column;
  gap: 2px;
  z-index: 999;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.navbar-mobile.open {
  transform: translateX(0);
  visibility: visible;
}

.navbar-mobile .navbar-link {
  padding: 15px 18px;
  font-size: 1.05rem;
}

/* Mobil Accordion */
.mobile-menu-item {
  border-bottom: none;
}

.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 15px 18px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-body);
  background: none;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 14px;
}

.mobile-menu-toggle:hover { color: var(--primary); background: var(--sky-light); }

.mobile-menu-toggle .toggle-arrow {
  font-size: 0.75rem;
  transition: var(--transition);
}

.mobile-menu-toggle.open { color: var(--primary); }
.mobile-menu-toggle.open .toggle-arrow { transform: rotate(180deg); }

.mobile-submenu {
  display: flex;
  flex-direction: column;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-left: 22px;
  border-left: 2px solid rgba(27,95,168,0.15);
  padding: 0 0 0 14px;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease,
              padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-submenu.open {
  max-height: 800px;
  opacity: 1;
  padding: 4px 0 12px 14px;
}

.mobile-submenu-link {
  padding: 12px 16px;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-gray);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 14px;
  transition: var(--transition);
}

.mobile-submenu-link:hover { color: var(--primary); background: var(--sky-light); }

.mobile-sub-submenu {
  display: flex;
  flex-direction: column;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-left: 8px;
  border-left: 2px solid rgba(0,181,200,0.2);
  padding: 0 0 0 12px;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.28s ease,
              padding 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-sub-submenu.open {
  max-height: 400px;
  opacity: 1;
  padding: 2px 0 6px 12px;
}

.mobile-sub-submenu-link {
  padding: 9px 14px;
  font-size: 0.83rem;
  color: var(--text-gray);
  border-radius: 12px;
  transition: var(--transition);
}

.mobile-sub-submenu-link:hover { color: var(--teal-dark); background: rgba(0,181,200,0.06); }

/* Mobil menü — yeni tasarım bileşenleri */
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-link {
  display: flex;
  align-items: center;
  padding: 15px 18px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-body);
  border-radius: 14px;
  transition: var(--transition);
}

.mobile-link:hover,
.mobile-link.active {
  color: var(--primary);
  background: var(--sky-light);
}

.mobile-menu-toggle.active,
.mobile-menu-toggle.active > .toggle-arrow { color: var(--primary); }

.mobile-sub-toggle {
  font-size: 0.96rem !important;
  color: var(--text-gray) !important;
  padding: 12px 16px !important;
}

.mobile-cta {
  margin-top: 26px;
  width: 100%;
  justify-content: center;
  border-radius: 16px;
}

.mobile-menu-footer {
  margin-top: auto;
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.mobile-menu-socials {
  display: flex;
  gap: 14px;
}

.mobile-menu-socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sky-light);
  color: var(--primary);
  transition: var(--transition);
}

.mobile-menu-socials a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.mobile-menu-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-gray);
  font-weight: 600;
  font-size: 0.95rem;
}

.mobile-menu-contact i { color: var(--primary); }

/* =========================================
   HERO SLIDER
   ========================================= */
.hero {
  position: relative;
  height: 72vh;
  min-height: 500px;
  max-height: 680px;
  overflow: hidden;
  margin-top: var(--navbar-h);
  background-color: var(--navy); /* geçiş sırasında beyaz zemin görünmesin */
}

.hero-slider {
  position: relative;
  height: 100%;
}

/* Crossfade: slaytlar üst üste durur, opacity ile geçer (yatay kayma/sızma yok) */
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  background-color: var(--navy); /* görsel yüklenene kadar koyu zemin */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  color: #fff;
}

.hero-slide-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero-slide-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-slide-desc {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-slide-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Slider Controls */
.hero-controls {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: var(--transition);
}

.hero-dot.active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.hero-arrow:hover {
  background: rgba(255,255,255,0.35);
}

.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

/* Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 36px;
  right: 40px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* =========================================
   STATS BAR
   ========================================= */
.stats-bar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--navy) 100%);
  padding: 36px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 16px 20px;
  border-right: 1px solid rgba(255,255,255,0.15);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-number span {
  color: var(--teal-light);
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

/* =========================================
   FAALİYETLER GRID
   ========================================= */
.activities-section {
  background: var(--bg-white);
}

.activity-card {
  position: relative;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid rgba(27,95,168,0.08);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
  cursor: pointer;
}

.activity-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  opacity: 0;
  transition: var(--transition);
  z-index: 0;
}

.activity-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.activity-card:hover::before {
  opacity: 1;
}

.activity-card:hover .activity-icon,
.activity-card:hover .activity-title,
.activity-card:hover .activity-desc {
  color: #fff;
}

.activity-card:hover .activity-icon-bg {
  background: rgba(255,255,255,0.2);
}

.activity-icon-bg {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  background: var(--sky-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.activity-icon {
  font-size: 2rem;
  color: var(--primary);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.activity-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.activity-desc {
  font-size: 0.87rem;
  color: var(--text-gray);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

/* =========================================
   HAKKIMIZDA BLOK
   ========================================= */
.about-section {
  background: var(--bg-sky);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-main img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.about-image-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-image-badge .badge-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
  display: block;
}

.about-image-badge .badge-text {
  font-size: 0.8rem;
  opacity: 0.9;
  margin-top: 4px;
}

.about-text .section-title {
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 28px 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.about-feature span {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

/* =========================================
   SON HABERLER
   ========================================= */
.news-section {
  background: var(--bg-white);
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.news-card-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card-img img {
  transform: scale(1.05);
}

.news-card-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
}

.news-card-body {
  padding: 24px;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.news-card-date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.82rem;
  color: var(--text-light);
}

.news-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 10px;
  transition: var(--transition);
}

.news-card:hover .news-card-title {
  color: var(--primary);
}

.news-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.88rem;
}

.news-card-link:hover {
  color: var(--teal);
  gap: 10px;
}

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
  background: linear-gradient(135deg, var(--navy) 0%, var(--primary) 50%, var(--teal-dark) 100%);
  position: relative;
  overflow: hidden;
  padding: 90px 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(0,181,200,0.1);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner .section-title {
  color: #fff;
}

.cta-inner .section-subtitle {
  color: rgba(255,255,255,0.8);
  max-width: 100%;
  margin-top: 16px;
  margin-bottom: 36px;
}

/* =========================================
   SOSYAL MEDYA BANDİ
   ========================================= */
.social-strip {
  background: var(--bg-section);
  padding: 50px 0;
}

.social-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.social-strip-label {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-dark);
  font-size: 1.1rem;
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  color: #fff;
}

.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.social-btn.facebook  { background: #1877F2; }
.social-btn.instagram { background: linear-gradient(135deg, #E1306C, #833AB4, #405DE6); }
.social-btn.twitter   { background: #1DA1F2; }
.social-btn.youtube   { background: #FF0000; }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-logo img {
  height: 50px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-social-link {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social-link:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--teal);
  display: inline-block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--teal-light);
  gap: 12px;
}

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

.footer-contact-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-light);
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.footer-contact-text {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

.footer-contact-text strong {
  color: rgba(255,255,255,0.9);
  display: block;
  font-size: 0.8rem;
  margin-bottom: 2px;
}

.footer-bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-copyright {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

.footer-copyright a {
  color: var(--teal-light);
}

.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer-credit-wa {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.8rem;
  color: #fff;
  background: #25D366;
  transition: background 0.2s ease, transform 0.2s ease;
}

.footer-credit-wa:hover {
  background: #1da851;
  transform: translateY(-1px);
}

.footer-credit-wa i { font-size: 0.95rem; }

/* =========================================
   PAGE HEADER (İç sayfalar için)
   ========================================= */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--primary) 100%);
  padding: 100px 0 70px;
  margin-top: var(--navbar-h);
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-white);
  clip-path: ellipse(60% 100% at 50% 100%);
}

.page-header-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}

.page-header-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 12px;
}

.page-header-subtitle {
  font-size: 1.05rem;
  opacity: 0.8;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.88rem;
  opacity: 0.7;
}

.breadcrumb a:hover { opacity: 1; color: var(--teal-light); }

/* =========================================
   SCROLL REVEAL ANIMATIONS
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =========================================
   SCROLL TO TOP
   ========================================= */
.scroll-top {
  position: fixed;
  /* WhatsApp yüzen butonunun (bottom:22px, yükseklik:56px) hemen üstünde durur */
  bottom: 90px;
  right: 25px;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  pointer-events: none;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 768px) {
  :root { --navbar-h: 68px; }

  .section { padding: 60px 0; }
  .section-header { margin-bottom: 36px; }

  .navbar-menu, .navbar-cta { display: none; }
  .navbar-hamburger { display: flex; }
  .navbar-mobile { display: flex; }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; gap: 36px; }

  .about-content { grid-template-columns: 1fr; gap: 40px; }
  .about-image-badge { right: 10px; bottom: -10px; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-arrow { display: none; }
  .hero-scroll { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .social-strip-inner { gap: 12px; }
  .social-btn { padding: 10px 16px; font-size: 0.82rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { border-right: 1px solid rgba(255,255,255,0.1); }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-top: 1px solid rgba(255,255,255,0.1); }
  .hero-slide-title { font-size: 1.8rem; }
  .hero-slide-desc { font-size: 0.95rem; }
}