/* ===================================================
   FİZİK ÖZEL DERS - Ana Stil Dosyası
   =================================================== */

/* --- Değişkenler --- */
:root {
  --primary: #0a0f1e;
  --secondary: #0d1b3e;
  --accent: #00d4ff;
  --accent2: #7b2fff;
  --accent3: #ff6b35;
  --text: #e8eaf6;
  --text-muted: #8892b0;
  --card-bg: rgba(13, 27, 62, 0.7);
  --card-border: rgba(0, 212, 255, 0.15);
  --glow: 0 0 30px rgba(0, 212, 255, 0.3);
  --font-main: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 16px;
  --section-gap: 120px;
}

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

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

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Utilities --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 212, 255, 0.05);
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
}

/* --- Minimal icon set (Font Awesome yerine) --- */
.fa-solid,
.fa-brands {
  font-style: normal;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.fa-solid::before,
.fa-brands::before {
  display: inline-block;
}

.fa-whatsapp {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3E%3Cpath fill='white' d='M380.9 97.1C339 55.1 283.2 32 223.9 32c-122.4 0-222 99.6-222 222 0 39.1 10.2 77.3 29.6 111L0 480l117.7-30.9c32.4 17.7 68.9 27 106.1 27h.1c122.3 0 224.1-99.6 224.1-222 0-59.3-25.2-115-67.1-157zm-157 341.6c-33.2 0-65.7-8.9-94-25.7l-6.7-4-69.8 18.3L72 359.2l-4.4-7c-18.5-29.4-28.2-63.3-28.2-98.2 0-101.7 82.8-184.5 184.6-184.5 49.3 0 95.6 19.2 130.4 54.1 34.8 34.9 56.2 81.2 56.1 130.5 0 101.8-84.9 184.6-186.6 184.6zm101.2-138.2c-5.5-2.8-32.8-16.2-37.9-18-5.1-1.9-8.8-2.8-12.5 2.8-3.7 5.6-14.3 18-17.6 21.8-3.2 3.7-6.5 4.2-12 1.4-32.6-16.3-54-29.1-75.5-66-5.7-9.8 5.7-9.1 16.3-30.3 1.8-3.7.9-6.9-.5-9.7-1.4-2.8-12.5-30.1-17.1-41.2-4.5-10.8-9.1-9.3-12.5-9.5-3.2-.2-6.9-.2-10.6-.2-3.7 0-9.7 1.4-14.8 6.9-5.1 5.6-19.4 19-19.4 46.3 0 27.3 19.9 53.7 22.6 57.4 2.8 3.7 39.1 59.7 94.8 83.8 35.2 15.2 49 16.5 66.6 13.9 10.7-1.6 32.8-13.4 37.4-26.4 4.6-13 4.6-24.1 3.2-26.4-1.3-2.5-5-3.9-10.5-6.6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  width: 1em;
  height: 1em;
}
.fa-whatsapp::before { content: ""; }
.fa-phone::before { content: "☎"; }
.fa-chevron-down::before { content: "⌄"; }
.fa-chevron-right::before { content: "›"; }
.fa-arrow-right::before { content: "→"; }
.fa-rocket::before { content: "🚀"; }
.fa-user::before { content: "👤"; }
.fa-calendar-check::before { content: "📅"; }
.fa-map-location-dot::before { content: "📍"; }
.fa-location-dot::before { content: "📍"; }
.fa-paper-plane::before { content: "✈"; }
.fa-circle-check::before { content: "✓"; }
.fa-clock::before { content: "🕒"; }
.fa-calendar::before { content: "📅"; }
.fa-turkish-lira-sign::before { content: "₺"; }
.fa-graduation-cap::before { content: "🎓"; }
.fa-star::before { content: "★"; }


/* ===================================================
   NAVİGASYON
   =================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.1;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  /* Variant 1 active: academic */
  background-image: url("../images/logo-mark-academic.svg");
  /* Variant 2 option: url("../images/logo-mark-modern.svg"); */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  color: transparent;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.26);
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.88rem;
}

.nav-links a.nav-cta {
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.28);
}

.nav-links a.nav-cta::after {
  display: none;
}

.nav-links a.nav-cta:hover,
.nav-links a.nav-cta.active {
  color: #ffffff;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: transparent;
  border: none;
  outline: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Drawer header sadece mobilde görünür */
.nav-drawer-header { display: none; }
.nav-backdrop { display: none; }

/* ===================================================
   NAV DROPDOWN (Bölgeler)
   =================================================== */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex !important;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.nav-dd-arrow {
  font-size: 0.65rem;
  transition: transform 0.25s ease;
}

.nav-dropdown:hover .nav-dd-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0,212,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  padding: 8px;
  min-width: 200px;
  z-index: 2000;
  flex-direction: column;
  gap: 2px;
}

.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 7px solid #fff;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-menu li {
  list-style: none;
}

.nav-dropdown-menu a {
  display: block;
  padding: 9px 16px;
  font-size: 0.88rem;
  color: #2d3748 !important;
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.nav-dropdown-menu a:hover {
  background: rgba(0,212,255,0.1);
  color: var(--accent) !important;
}

.nav-dropdown-menu a::after { display: none !important; }

.nav-dd-divider {
  border-top: 1px solid #f0f2f5;
  margin: 4px 8px;
}

/* ===================================================
   HERO BÖLÜMÜ
   =================================================== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 212, 255, 0.08) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 100% 50%, rgba(123, 47, 255, 0.1) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 0% 100%, rgba(255, 107, 53, 0.06) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-left { max-width: 580px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease forwards;
}

.hero-badge .dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s 0.1s ease both;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.stat-item { }

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s 0.3s ease both;
}

.atom-container {
  position: relative;
  width: 380px;
  height: 380px;
}

.atom-nucleus {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 70px; height: 70px;
  background: radial-gradient(circle, var(--accent), var(--accent2));
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.6), 0 0 80px rgba(123, 47, 255, 0.3);
  z-index: 2;
}

.atom-nucleus::before {
  content: 'φ';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  font-family: var(--font-display);
}

.orbit {
  position: absolute;
  top: 50%; left: 50%;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50%;
  transform-origin: center;
}

.orbit-1 {
  width: 160px; height: 160px;
  margin: -80px 0 0 -80px;
  animation: orbit1 4s linear infinite;
  border-color: rgba(0, 212, 255, 0.3);
}

.orbit-2 {
  width: 260px; height: 130px;
  margin: -65px 0 0 -130px;
  animation: orbit2 6s linear infinite;
  transform: rotate(60deg);
}

.orbit-3 {
  width: 340px; height: 170px;
  margin: -85px 0 0 -170px;
  animation: orbit3 8s linear infinite;
  transform: rotate(-60deg);
  border-color: rgba(123, 47, 255, 0.25);
}

.electron {
  position: absolute;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--accent);
  top: -7px; left: 50%;
  margin-left: -7px;
}

.orbit-2 .electron { background: var(--accent2); box-shadow: 0 0 15px var(--accent2); }
.orbit-3 .electron { background: var(--accent3); box-shadow: 0 0 15px var(--accent3); }

.floating-card {
  position: absolute;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
}

.fc-1 { top: 5%; right: -5%; animation: float 4s ease-in-out infinite; }
.fc-2 { bottom: 20%; left: -8%; animation: float 4s 1s ease-in-out infinite; }
.fc-3 { bottom: 5%; right: 5%; animation: float 4s 2s ease-in-out infinite; }

.fc-icon { font-size: 1.2rem; margin-bottom: 4px; }
.fc-value { font-size: 1.1rem; font-weight: 700; color: var(--accent); }

/* ===================================================
   KONULAR BÖLÜMÜ
   =================================================== */
#konular {
  padding: var(--section-gap) 0;
  position: relative;
}

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.subject-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.subject-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}

.subject-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: var(--glow);
}

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

.subject-icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  display: block;
}

.subject-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 6px;
}

.subject-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===================================================
   HİZMETLER / PAKETLER
   =================================================== */
#paketler {
  padding: var(--section-gap) 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.pricing-card.featured {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(123, 47, 255, 0.08));
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: var(--glow);
  transform: scale(1.03);
}

.pricing-card:hover:not(.featured) {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.3);
}

.featured-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-name {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-period {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pricing-divider {
  height: 1px;
  background: var(--card-border);
  margin-bottom: 28px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features li .check {
  width: 20px; height: 20px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--accent);
  flex-shrink: 0;
}

.pricing-features li.active { color: var(--text); }

.btn-full { width: 100%; justify-content: center; }

/* ===================================================
   HAKKIMDA
   =================================================== */
#hakkimda {
  padding: var(--section-gap) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 56px;
}

.about-visual {
  position: relative;
}

.about-img-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.about-photo {
  width: 100%;
  height: auto;
  display: block;
}

.about-img-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  border: 1px solid var(--card-border);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  position: relative;
  overflow: hidden;
}

.about-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.05) 0%, transparent 50%, rgba(123,47,255,0.05) 100%);
}

.about-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  min-width: 200px;
}

.about-card-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.about-card-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.about-content {}
.about-intro {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 28px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

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

.af-icon {
  width: 40px; height: 40px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.af-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 2px;
}

.af-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===================================================
   YORUMLAR
   =================================================== */
#yorumlar {
  padding: var(--section-gap) 0;
  overflow: hidden;
}

.testimonials-track {
  margin-top: 56px;
  position: relative;
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
}

.t-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: #ffd700;
  font-size: 0.9rem;
}

.t-text {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}

.t-text::before { content: '"'; color: var(--accent); font-size: 1.5rem; line-height: 0; vertical-align: -0.4em; }
.t-text::after { content: '"'; color: var(--accent); font-size: 1.5rem; line-height: 0; vertical-align: -0.4em; }

.t-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.t-avatar {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
  flex-shrink: 0;
}

.t-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.t-info {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===================================================
   BLOG SECTION (Hazır altyapı)
   =================================================== */
#blog {
  padding: var(--section-gap) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--glow);
}

.blog-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(10,15,30,0.5));
}

.blog-body { padding: 24px; }

.blog-category {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.blog-title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--text);
  transition: color 0.3s;
}

.blog-card:hover .blog-title { color: var(--accent); }

.blog-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-read-more {
  color: var(--accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s;
}

.blog-card:hover .blog-read-more { gap: 8px; }

.blog-sidebar {
  position: sticky;
  top: 105px;
  display: grid;
  gap: 16px;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 72px;
}

.blog-post-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 30px;
  align-items: start;
  margin-bottom: 72px;
}

.blog-layout > .blog-sidebar,
.blog-post-layout > .blog-sidebar {
  display: grid;
}

.blog-widget {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 18px;
}

.blog-widget h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-family: var(--font-display);
}

.blog-widget ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.blog-widget li {
  color: var(--text-muted);
}

.blog-widget a {
  color: var(--text);
  text-decoration: none;
}

.blog-widget a:hover {
  color: var(--accent);
}

.blog-cta-widget p {
  margin: 0 0 12px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.blog-contact-buttons {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.blog-contact-buttons .btn {
  width: 100%;
  justify-content: center;
}

/* ===================================================
   İLETİŞİM
   =================================================== */
#iletisim {
  padding: var(--section-gap) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  margin-top: 56px;
  align-items: start;
}

.contact-info { }

.contact-intro {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-map-wrap {
  margin-top: 18px;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.contact-map-wrap iframe {
  display: block;
  width: 100%;
  min-height: 280px;
}

.contact-section-full .contact-grid {
  grid-template-columns: 1.05fr 1fr;
  gap: 44px;
}

.contact-map-hero {
  margin-top: 34px;
}

.contact-map-wrap.contact-map-wrap-large iframe {
  min-height: 440px;
}

.contact-detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  margin-top: 20px;
  align-items: start;
}

.contact-info-panel {
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateX(6px);
}

.ci-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(123,47,255,0.1));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
  flex-shrink: 0;
}

.ci-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.ci-value {
  font-weight: 500;
  font-size: 0.95rem;
}

/* İletişim Formu */
.contact-form-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 28px;
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238892b0' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-group select option {
  background: var(--secondary);
  color: var(--text);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.bot-trap {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-feedback {
  margin-top: 12px;
  min-height: 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.contact-feedback.success {
  color: #00d68f;
}

.contact-feedback.error {
  color: #ff6b6b;
}

.contact-page-quick-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.compact-links .btn {
  min-height: 44px;
  justify-content: center;
  font-size: 0.95rem;
}

.compact-items {
  gap: 12px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(136, 146, 176, 0.5);
}

/* ===================================================
   CTA BANNER
   =================================================== */
#cta-banner {
  padding: 80px 0;
}

.cta-inner {
  background: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(123,47,255,0.08));
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 28px;
  padding: 70px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 200px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.15), transparent 70%);
  pointer-events: none;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 36px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================================
   FOOTER
   =================================================== */
footer {
  background: var(--secondary);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 280px;
}

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.social-btn {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-btn:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--accent);
}

.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===================================================
   ANİMASYONLAR
   =================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

@keyframes orbit1 {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes orbit2 {
  from { transform: rotate(60deg); }
  to { transform: rotate(420deg); }
}

@keyframes orbit3 {
  from { transform: rotate(-60deg); }
  to { transform: rotate(300deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  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; }

/* ===================================================
   HİZMET BÖLGELERİ
   =================================================== */
.bolge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.bolge-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 20px 28px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: var(--transition);
  overflow: hidden;
  cursor: pointer;
}

.bolge-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.04), transparent);
  opacity: 0;
  transition: var(--transition);
}

.bolge-card:hover {
  border-color: rgba(0, 212, 255, 0.45);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 212, 255, 0.12);
  color: var(--text);
}

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

.bolge-pin {
  font-size: 2rem;
  margin-bottom: 12px;
  transition: transform 0.3s ease;
  line-height: 1;
}

.bolge-card:hover .bolge-pin {
  transform: translateY(-4px) scale(1.15);
}

.bolge-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 5px;
  letter-spacing: -0.01em;
}

.bolge-info {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Merkez (Etimesgut) - öne çıkan */
.bolge-featured {
  background: linear-gradient(135deg, rgba(0,212,255,0.07), rgba(123,47,255,0.07));
  border-color: rgba(0, 212, 255, 0.3);
}

.bolge-featured .bolge-name { color: var(--accent); }

/* Online kart - en geniş (son sütun + ek alan) */
.bolge-online {
  grid-column: span 4;
  flex-direction: row;
  gap: 20px;
  padding: 28px 40px;
  background: linear-gradient(135deg,
    rgba(0, 212, 255, 0.06) 0%,
    rgba(123, 47, 255, 0.08) 50%,
    rgba(0, 212, 255, 0.06) 100%);
  border-color: rgba(0, 212, 255, 0.3);
  justify-content: center;
}

.bolge-online:hover {
  border-color: rgba(0, 212, 255, 0.6);
  box-shadow: var(--glow);
}

.bolge-online .bolge-pin { font-size: 2.4rem; margin-bottom: 0; }
.bolge-online .bolge-name { font-size: 1.3rem; }
.bolge-online .bolge-info { font-size: 0.88rem; }

.bolge-online-glow {
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 300px; height: 100px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.15), transparent 70%);
  pointer-events: none;
}

/* Rozet */
.bolge-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bolge-badge-online {
  background: linear-gradient(135deg, #00b38a, var(--accent));
}

@media (max-width: 1024px) {
  .bolge-grid { grid-template-columns: repeat(3, 1fr); }
  .bolge-online { grid-column: span 3; }
}

@media (max-width: 640px) {
  .bolge-grid { grid-template-columns: repeat(2, 1fr); }
  .bolge-online {
    grid-column: span 2;
    flex-direction: column;
    gap: 8px;
    padding: 28px 20px;
  }
}

/* ===================================================
   FLOATING WHATSAPP BUTONU
   =================================================== */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: #fff;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
  text-decoration: none;
}

.wa-float:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6);
}

.wa-tooltip {
  position: absolute;
  right: 68px;
  background: #1a1a2e;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  border: 1px solid rgba(255,255,255,0.1);
}

.wa-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: #1a1a2e;
}

.wa-float:hover .wa-tooltip {
  opacity: 1;
}

/* ===================================================
   MOBIL CTA BAR (ARA + WHATSAPP)
   =================================================== */
.mobile-cta-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1200;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(8, 13, 27, 0.96);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  overflow-x: clip;
}

.mobile-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  border-radius: 12px;
  padding: 12px 10px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

.mobile-cta-btn.call {
  background: #121b33;
  border-color: rgba(255, 255, 255, 0.14);
}

.mobile-cta-btn.whatsapp {
  background: linear-gradient(135deg, #00b38a, #25d366);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
}

/* ===================================================
   MOBİL RESPONSIVE
   =================================================== */
@media (max-width: 820px) {
  .blog-layout,
  .blog-post-layout {
    grid-template-columns: 1fr;
  }

  .blog-sidebar,
  .blog-layout > .blog-sidebar,
  .blog-post-layout > .blog-sidebar {
    position: static;
    min-width: 0;
  }
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 56px auto 0; }
  .pricing-card.featured { transform: scale(1); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: block; max-width: 520px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-section-full .contact-grid { grid-template-columns: 1fr; }
  .contact-detail-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-gap: 80px; }

  body {
    padding-bottom: calc(74px + env(safe-area-inset-bottom));
  }

  .mobile-cta-bar {
    display: grid;
  }

  .wa-float {
    display: none;
  }

  /* Navbar mobilde her zaman koyu arka plan */
  /* backdrop-filter kaldırıldı — fixed child positioning bozuyor */
  #navbar {
    background: rgba(10, 15, 30, 0.98) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
    padding: 14px 0 !important;
  }

  .hamburger { display: flex; }

  /* Sağ drawer — beyaz arka plan */
  .nav-links {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(340px, 84vw);
    background: #ffffff;
    border-left: 1px solid #e8eaf0;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 18px calc(18px + env(safe-area-inset-bottom));
    gap: 0;
    z-index: 1001;
    font-size: 1.05rem;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -6px 0 40px rgba(0, 0, 0, 0.18);
    overflow-y: auto;
  }

  .nav-links > li {
    width: 100%;
    list-style: none;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  /* Menü linkleri mobilde */
  .nav-links a {
    width: 100%;
    padding: 12px 12px;
    font-size: 1rem;
    border-bottom: 1px solid #f2f4f7;
    color: #1a1f2e;
    font-weight: 500;
    border-radius: 10px;
  }

  .nav-links a:hover,
  .nav-links a.active {
    color: var(--accent);
    background: rgba(0, 212, 255, 0.08);
    border-bottom-color: transparent;
  }

  .nav-links a::after { display: none; }

  /* CTA butonu mobil menüde */
  .nav-links .nav-cta {
    margin-top: auto;
    width: 100%;
    justify-content: center;
    border-bottom: none;
    padding: 12px 24px;
    border-radius: 50px;
    color: #fff !important;
    font-size: 1rem;
  }

  /* Drawer header mobilde göster */
  .nav-drawer-header { display: flex; }
  .nav-backdrop { display: block; }

  /* Drawer header içindeki logo */
  .nav-drawer-header a.logo {
    color: #1a1f2e !important;
    border: none !important;
    padding: 0 !important;
  }
  .nav-drawer-header a.logo span {
    color: var(--accent) !important;
  }
  .nav-drawer-header .logo-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent2)) !important;
    background-image: url("../images/logo-mark-academic.svg") !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
  }

  /* Backdrop — menü arkasındaki karartma */
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }

  .nav-backdrop.open {
    opacity: 1;
    pointer-events: all;
  }

  /* Menü içinde logo / kapat butonu */
  .nav-drawer-header {
    position: absolute;
    top: 0; left: 0; right: 0;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #e8eaf0;
    background: #fff;
    z-index: 2;
  }

  .nav-drawer-close {
    width: 40px; height: 40px;
    background: #f6f7fb;
    border: 1px solid #e8eaf0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #4a5568;
    font-size: 1.1rem;
    transition: var(--transition);
  }

  .nav-drawer-close:hover {
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.4);
    color: var(--accent);
  }

  /* Dropdown mobil accordion */
  .nav-dropdown-menu {
    display: none;
    position: static !important;
    transform: none !important;
    box-shadow: none !important;
    border: none !important;
    background: #f7f8fa !important;
    border-radius: 12px !important;
    padding: 6px 6px 6px 12px !important;
    margin: 4px 0 10px;
    min-width: unset !important;
  }

  .nav-dropdown.open .nav-dropdown-menu {
    display: flex !important;
  }

  .nav-dropdown-menu::before { display: none; }

  .nav-dropdown-menu a {
    color: #4a5568 !important;
    padding: 10px 12px !important;
    font-size: 0.9rem !important;
    border-bottom: 1px solid #edf0f4 !important;
    border-radius: 8px !important;
  }

  .nav-dropdown-menu a:last-child { border-bottom: none !important; }

  .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 12px 12px !important;
    border-bottom: 1px solid #f2f4f7;
    color: #1a1f2e !important;
  }

  .nav-dropdown.open .nav-dd-arrow {
    transform: rotate(180deg);
  }

  .subjects-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-slider { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-stats { gap: 24px; }
  .cta-inner { padding: 40px 24px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .about-features { grid-template-columns: 1fr; }

  .contact-map-wrap.contact-map-wrap-large iframe {
    min-height: 360px;
  }

  .contact-page-quick-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .subjects-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}