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

        :root {
            --primary: #0ea5e9;
            --secondary: #6366f1;
            --dark: #0f172a;
            --darker: #020617;
            --light: #f8fafc;
            --gray: #64748b;
            --accent: #8b5cf6;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: var(--darker);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        

        /* Hero Section */
        .hero {
            max-width: 100%;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 8rem 2rem 4rem;
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
            overflow: hidden;
        }

        #particleCanvas {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
        }

        .hero-content {
            max-width: 1200px;
            position: relative;
            z-index: 1;
            text-align: center;
        }

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

        .hero h1 {
            font-size: 4.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #ffffff 0%, #38bdf8 25%, #6366f1 50%, #a78bfa 75%, #ffffff 100%);
            background-size: 300% 300%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            animation: nameShimmer 5s ease infinite;
        }

        .hero .subtitle {
            font-size: 1.8rem;
            color: var(--gray);
            margin-bottom: 2rem;
            font-weight: 400;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 3rem;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
            font-size: 1.1rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(14, 165, 233, 0.4);
        }

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

        .btn-secondary:hover {
            background: var(--primary);
            color: white;
        }

        /* Tech Stack */
        .tech-stack {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 4rem;
            padding: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .tech-icon {
            font-size: 2.5rem;
            opacity: 0.6;
            transition: all 0.3s;
            cursor: pointer;
        }

        .tech-icon:hover {
            opacity: 1;
            transform: translateY(-5px);
        }

        /* Section Styles */
        section {
            padding: 6rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            text-align: center;
            color: var(--gray);
            font-size: 1.2rem;
            margin-bottom: 4rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* About Section */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .about-text p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .skill-item {
            background: rgba(14, 165, 233, 0.1);
            padding: 1rem;
            border-radius: 10px;
            border: 1px solid rgba(14, 165, 233, 0.2);
            transition: all 0.3s;
        }

        .skill-item:hover {
            background: rgba(14, 165, 233, 0.2);
            transform: translateX(5px);
        }

        .skill-item h4 {
            color: var(--primary);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        .skill-bar {
            background: rgba(255, 255, 255, 0.1);
            height: 8px;
            border-radius: 10px;
            overflow: hidden;
            margin-top: 0.5rem;
        }

        .skill-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 10px;
            transition: width 1s ease;
        }

        /* Projects Grid */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
            cursor: pointer;
        }

        .project-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
            box-shadow: 0 20px 40px rgba(14, 165, 233, 0.2);
        }

        .project-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            opacity: 0.8;
        }

        .project-content {
            padding: 2rem;
        }

        .project-content h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--light);
        }

        .project-content p {
            color: var(--gray);
            margin-bottom: 1.5rem;
        }

        .project-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
        }

        .tag {
            background: rgba(14, 165, 233, 0.2);
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .project-links {
            display: flex;
            gap: 1rem;
        }

        .project-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: gap 0.3s;
        }

        .project-link:hover {
            gap: 0.8rem;
        }

        /* Experience Timeline */
        .timeline {
            position: relative;
            padding-left: 3rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
        }

        .timeline-item {
            position: relative;
            margin-bottom: 3rem;
            padding-left: 2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -3.5rem;
            top: 0;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--darker);
            box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.2);
        }

        .timeline-item h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--light);
        }

        .timeline-item .company {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .timeline-item .date {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .timeline-item p {
            color: var(--gray);
            line-height: 1.8;
        }

        /* Contact Section */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: rgba(14, 165, 233, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .form-group label {
            color: var(--gray);
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea {
            padding: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: var(--light);
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.08);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 150px;
        }

        /* Footer */
footer {
  background: var(--dark);
  padding: 1rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Yeni yapı: footer içeriğini yan yana hizala */
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap; /* küçük ekranlarda alt alta düşer */
}

/* Yazılar */
.footer-text p {
  margin: 0;
  color: var(--gray);
}

/* Sosyal ikonlar */
.social-links {
  display: flex;
  gap: 15px;
  margin-right: 20px; /* ikonları biraz sola kaydırır */
}

.social-btn {
  color: var(--gray);
  font-size: 1.2rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.social-btn:hover {
  color: #38bdf8;
  transform: scale(1.2);
}


        /* Responsive */
        @media (max-width: 768px) {
            nav ul {
                gap: 1.5rem;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero .subtitle {
                font-size: 1.3rem;
            }

            .about-content,
            .contact-grid {
                grid-template-columns: 1fr;
            }

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

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

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

        .fade-in {
            animation: fadeInUp 0.8s ease-out;
        }

        /* Scroll Progress Bar */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: 9999;
            transition: width 0.1s;
        }
        .profile-pic {
         display: block;
         margin: 0 auto; /* yatay ortalama */
         width: 30vw;    /* responsive genişlik */
         max-width: 150px;
         height: auto;
         border-radius: 50%;
         object-fit: cover;
         border: 4px solid var(--primary);
         box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
        }
        /* Hover efekti */
        .profile-pic:hover {
         transform: scale(1.08);
         border-color: #38bdf8; /* açık mavi ton */
         box-shadow: 0 0 25px rgba(14, 165, 233, 0.6);
         transform: scale(1.08) rotate(3deg);
        }

         
 nav {
    background: #0f1724;
    padding: 10px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;    
}


.logo img {
    margin-right: 10px;
  width: 70px;
  height: 70px;
  border-radius: 50%; /* yuvarlak logo */
  object-fit: cover;
  border: 2px solid #38bdf8;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover efekti */
.logo img:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.6);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
}

nav ul li a {
  color: #e6eef6;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

nav ul li a:hover {
  color: #38bdf8;
}

/* Responsive */
@media (max-width: 768px) {
  nav .container {
    flex-direction: column;
  }
  nav ul {
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
  }
}



/* Navigation */
        

        nav .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        nav .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        

        nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: width 0.3s;
        }

        nav a:hover::after {
            width: 100%;
        }

        .tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
}

.tech-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  border: 2px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  font-size: 28px;
  transition: all 0.4s ease;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.2);
  cursor: pointer;
}

.tech-icon span {
  font-size: 12px;
  color: #e6eef6;
  margin-top: 6px;
  font-weight: 600;
}

/* Hover efekti */
.tech-icon:hover {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 0 25px rgba(14, 165, 233, 0.5);
  border-color: #38bdf8;
}

.social-links {
  margin-top: 20px;
  display: flex;
  gap: 15px;
  justify-content: center;
}
.social-links a {
    text-decoration: none; /* alt çizgi kaldır */
    color: inherit;         /* renk bozulmasın */
}


.social-btn {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 80%;
  font-size: 30px;
  cursor: pointer;
  transition: transform 0.3s ease, filter 0.3s ease;
  background: none; /* arka plan yok */
}

.social-btn i {
  color: inherit; /* ikon kendi renginde */
}
/* Küçük sürekli animasyon (hafif yukarı aşağı hareket) */
@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.social-btn {
  animation: floatIcon 3s ease-in-out infinite;
}

/* Hover efekti: hafif yukarı zıplama ve parlaklık */
.social-btn:hover {
  transform: translateY(-5px);
  filter: brightness(1.2);
}

/* Orijinal ikon renkleri */
.social-btn.instagram i { color: #E1306C; }
.social-btn.facebook i { color: #1877F2; }
.social-btn.linkedin i { color: #0A66C2; }

.project-image {
    width: 100%;       /* div genişliği */
    height: 200px;     /* div yüksekliği, istersen değiştirebilirsin */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;  /* taşan kısmı gizle */
    background: #f0f0f0; /* isteğe bağlı arkaplan */
}

.project-image img {
    width: 100%;       /* divin genişliğine göre ölçekle */
    height: 100%;      /* divin yüksekliğine göre ölçekle */
    object-fit: cover; /* kırpmadan div’i doldur */
}

nav {
  background: #0f1724;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-between; /* logo sola, menü sağa */
  align-items: center;
  padding: 10px 40px;
}

.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-links li a {
  text-decoration: none;
  color: white;
  font-weight: 500;
  
}

.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
}

/* Mobile görünüm */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 60px;
    right: 0;
    background: #0f1724;
    flex-direction: column;
    width: 200px;
    padding: 20px;
    box-shadow: -2px 2px 10px rgba(0,0,0,0.1);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
  }
}

.contact-form .form-group {
  display: flex;
  flex-direction: column; /* label üstte, input altında hizalanır */
  align-items: flex-start; /* sol hizalama */
  margin-bottom: 20px;
  width: 100%;
}

.contact-form label {
  font-weight: 600;
  margin-bottom: 5px;
  color: #00bfff;
  width: 100%;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 10px;
  border: 1px solid #333;
  font-size: 15px;
  background: #1c1f26;
  color: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #00bfff;
  box-shadow: 0 0 8px #00bfff;
}

.contact-form button {
  padding: 15px 30px;
  background: #00bfff;
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

.contact-form button:hover {
  background: #0095e0;
}


/* Mobil uyum */
@media (max-width: 768px) {
  .contact-form-wrapper {
    padding: 30px 20px;
  }
}

iframe {
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* Popup genel */
.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 9999;
}

/* İçerik kutusu */
.popup-content {
  background: #fff;
  padding: 30px 50px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: fadeIn 0.4s ease;
}

.popup-icon {
  font-size: 3rem;
  color: #28a745;
  display: block;
  margin-bottom: 10px;
}

.popup h3 {
  margin: 0;
  font-size: 1.5rem;
  color: #222;
}

.popup p {
  margin-top: 8px;
  color: #555;
  font-size: 1rem;
}

/* Fade animasyonu */
@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes fadeOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.9); }
}


.project-card {
    width: 100%;
    max-width: 380px;
    min-width: 380px;
    margin: 0 auto;
}



.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.18);
    box-shadow: 0 10px 25px rgba(0,0,0,0.45);
}
.projects-container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

/* TOP IMAGE / VIDEO AREA */
.project-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 14px;
    overflow: hidden;
    position: relative;
}

.project-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none; /* tıklama engellemesin diye ÖNEMLİ */
    
}


/* text styles */
.project-content h3 {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 1.4rem;
    font-weight: 600;
}

.project-content p {
    color: #a5b0c0;
    font-size: 1rem;
    line-height: 1.55;
}

/* tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(52, 152, 219, 0.12);
    padding: 5px 12px;
    border-radius: 10px;
    font-size: 0.85rem;
    color: #9fc7ff;
}

/* Links */
.project-links {
    display: flex;
    gap: 18px;
    margin-top: 4px;
}

.project-link {
    color: #4da3ff;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
}

.project-link:hover {
    text-decoration: underline;
}


/* MODAL BACKDROP */
.video-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.video-modal-content {
    position: relative;
    max-width: 1000px;
    width: 90%;
    max-height: 90%;
}

#modalVideo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 14px;
    background: black;
}

.video-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 35px;
    color: white;
    cursor: pointer;
}

/* ── Custom Cursor ── */
* { cursor: none; }
.cursor {
    position: fixed;
    width: 36px; height: 36px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, border-color 0.2s, background 0.2s;
    mix-blend-mode: normal;
}
.cursor-dot {
    position: fixed;
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
}
.cursor.cursor--hover {
    width: 52px; height: 52px;
    border-color: var(--secondary);
    background: rgba(99,102,241,0.1);
}
@media (pointer: coarse) {
    .cursor, .cursor-dot { display: none; }
    * { cursor: auto !important; }
}

/* ── Availability Badge ── */
.avail-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16,185,129,0.12);
    border: 1px solid rgba(16,185,129,0.3);
    color: #10b981;
    padding: 0.4rem 1.1rem;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
}
.avail-dot {
    width: 8px; height: 8px;
    background: #10b981;
    border-radius: 50%;
    flex-shrink: 0;
    animation: pulse-green 1.6s infinite;
}
@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
    60%       { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

/* ── Services Section ── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.service-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.3s;
}
.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(14,165,233,0.15);
    transform: translateY(-6px);
}
.service-icon {
    width: 58px; height: 58px;
    background: linear-gradient(135deg, rgba(14,165,233,0.2), rgba(99,102,241,0.2));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary);
}
.service-card h3 { font-size: 1.25rem; color: var(--light); }
.service-card > p { color: var(--gray); font-size: 0.95rem; line-height: 1.7; flex: 1; }
.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}
.service-features li {
    color: var(--gray);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.service-features li i { color: #10b981; font-size: 0.75rem; }
.service-btn {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    margin-top: 0.3rem;
    transition: color 0.2s;
}
.service-btn:hover { color: var(--secondary); }

/* ── Easter Egg Animasyonları ── */
@keyframes matrixFadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes matrixFadeOut { from { opacity: 1; } to { opacity: 0; } }
@keyframes simsMoneyFall {
    0%   { transform: translateY(0)   rotate(0deg);   opacity: 1; }
    80%  { opacity: 1; }
    100% { transform: translateY(110vh) rotate(360deg); opacity: 0; }
}

/* ── Floating Controls (sağ kenar — dil & tema) ── */
.floating-controls {
    position: fixed;
    right: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    z-index: 9990;
}
.lang-btn, .theme-btn {
    background: rgba(15,23,42,0.78);
    border: 1px solid rgba(255,255,255,0.18);
    color: #f8fafc;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer !important;
    transition: all 0.25s;
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.lang-btn:hover, .theme-btn:hover {
    background: rgba(14,165,233,0.3);
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(14,165,233,0.25);
}

/* ── Light Mode ── */
.light-mode {
    /* CSS değişkenlerini açık mod için eziyoruz */
    --light: #0f172a;
    --gray: #475569;
    --dark: #e2e8f0;
    --darker: #f1f5f9;
    background: #f1f5f9;
    color: #0f172a;
}

/* Nav */
.light-mode nav {
    background: #ffffff !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08) !important;
}
.light-mode .nav-links { background: #ffffff !important; }
.light-mode nav ul li a,
.light-mode .nav-links li a,
.light-mode nav a { color: #0f172a !important; }
.light-mode nav a::after { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.light-mode .hamburger,
.light-mode #hamburgerIcon { color: #0f172a !important; }
.light-mode .lang-btn, .light-mode .theme-btn {
    background: rgba(255,255,255,0.9) !important;
    border-color: rgba(0,0,0,0.12) !important;
    color: #0f172a !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.light-mode .lang-btn:hover, .light-mode .theme-btn:hover {
    background: rgba(14,165,233,0.15) !important;
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}

/* Hero */
.light-mode .hero {
    background: linear-gradient(135deg, #dce8f5 0%, #f1f5f9 100%) !important;
}
.light-mode .hero::before {
    background:
        radial-gradient(circle at 20% 50%, rgba(14,165,233,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99,102,241,0.08) 0%, transparent 50%);
}
.light-mode .hero p { color: #475569 !important; }
.light-mode .hero .subtitle { color: #334155 !important; }
.light-mode .hero h1 {
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 25%, #6366f1 55%, #7c3aed 80%, #0284c7 100%);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: nameShimmer 5s ease infinite;
}

/* Tech icons */
.light-mode .tech-icon {
    background: rgba(14,165,233,0.1) !important;
    border-color: rgba(14,165,233,0.3) !important;
}
.light-mode .tech-icon span { color: #1e293b !important; }

/* Sections genel */
.light-mode .section-subtitle { color: #475569 !important; }

/* About */
.light-mode .about-text h3 { color: var(--primary) !important; }
.light-mode .about-text p { color: #475569 !important; }
.light-mode .skill-item {
    background: rgba(14,165,233,0.08) !important;
    border-color: rgba(14,165,233,0.18) !important;
}
.light-mode .skill-item h4 { color: var(--primary) !important; }
.light-mode .skill-bar { background: rgba(0,0,0,0.1) !important; }

/* Cards */
.light-mode .project-card,
.light-mode .service-card,
.light-mode .testimonial-card {
    background: #ffffff !important;
    border-color: rgba(0,0,0,0.09) !important;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.light-mode .project-content h3,
.light-mode .service-card h3 { color: #0f172a !important; }
.light-mode .project-content p,
.light-mode .service-card > p,
.light-mode .service-features li { color: #475569 !important; }
.light-mode .project-image { background: #e2e8f0 !important; }
.light-mode .service-icon {
    background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(99,102,241,0.15)) !important;
}
.light-mode .tag {
    background: rgba(14,165,233,0.1) !important;
    color: #0369a1 !important;
}

/* Testimonials */
.light-mode .testimonial-text { color: #334155 !important; }
.light-mode .testimonial-author h4 { color: #0f172a !important; }
.light-mode .testimonial-card::before { color: var(--primary); opacity: 0.1; }

/* Timeline */
.light-mode .timeline-item h3 { color: #0f172a !important; }
.light-mode .timeline-item p { color: #475569 !important; }
.light-mode .timeline-item::before { background: var(--primary); border-color: #f1f5f9; }

/* Contact */
.light-mode .contact-item h4 { color: #0f172a !important; }
.light-mode .contact-item p { color: #475569 !important; }
.light-mode .contact-icon {
    background: rgba(14,165,233,0.12) !important;
    color: var(--primary) !important;
}
.light-mode .contact-form input,
.light-mode .contact-form textarea {
    background: #ffffff !important;
    border-color: rgba(0,0,0,0.15) !important;
    color: #0f172a !important;
}
.light-mode .contact-form input::placeholder,
.light-mode .contact-form textarea::placeholder { color: #94a3b8 !important; }
.light-mode .contact-form button {
    background: var(--primary) !important;
    color: #ffffff !important;
}

/* Footer */
.light-mode footer { background: #e2e8f0 !important; }
.light-mode .footer-text p { color: #475569 !important; }

/* Cursor */
.light-mode .cursor { border-color: var(--primary); }
.light-mode .cursor-dot { background: var(--primary); }

@media (max-width: 768px) {
    .light-mode .nav-links { background: #ffffff !important; box-shadow: 0 8px 20px rgba(0,0,0,0.1) !important; }
}

/* React & Next.js icon colors */
.tech-icon [class*="fa-react"] {
    color: #61DAFB;
}
.tech-icon--nextjs svg {
    color: #e2e8f0;
}

/* ── Testimonials ── */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.15;
    line-height: 1;
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(14, 165, 233, 0.15);
    transform: translateY(-5px);
}

.testimonial-stars {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
    flex-shrink: 0;
}
.testimonial-avatar--logo {
    background: #000;
    border: 1px solid rgba(14,165,233,0.3);
    border-radius: 10px;
    width: 72px;
    height: 56px;
    padding: 4px;
    overflow: hidden;
    flex-shrink: 0;
}
.testimonial-avatar--logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.92;
    border-radius: 6px;
}
.light-mode .testimonial-avatar--logo {
    background: #111;
    border-color: rgba(14,165,233,0.2);
}
.light-mode .testimonial-avatar--logo img {
    opacity: 0.88;
}

.testimonial-author h4 {
    color: var(--light);
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.testimonial-author span {
    color: var(--primary);
    font-size: 0.85rem;
}

/* ── WhatsApp Floating Button ── */
.whatsapp-btn {
    position: fixed;
    bottom: 5rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    text-decoration: none;
    z-index: 9998;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: #111827;
    color: white;
    padding: 0.4rem 0.9rem;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(8px);
    transition: all 0.3s;
    pointer-events: none;
    border: 1px solid rgba(255,255,255,0.1);
}

@keyframes whatsappPulse {
    0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-btn {
    animation: whatsappPulse 2.5s infinite;
}

.whatsapp-btn:hover {
    animation: none;
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .whatsapp-btn {
        bottom: 4.5rem;
        right: 1.2rem;
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
    }
    .floating-controls {
        right: 0.6rem;
        gap: 0.5rem;
    }
    .lang-btn, .theme-btn {
        width: 40px;
        height: 40px;
        font-size: 0.78rem;
        border-radius: 10px;
    }
}

/* ════════════════════════════════
   Yeni Özellikler
   ════════════════════════════════ */

/* ── Floating Calculator Button ── */
.calc-float-btn {
    position: fixed;
    top: 5rem;
    right: 1.2rem;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer !important;
    z-index: 9990;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(14,165,233,0.4);
    transition: all 0.25s;
}
.calc-float-btn:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(14,165,233,0.55); }

/* ── Calculator Modal ── */
.calc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 9994;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 6rem 1.2rem 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
    backdrop-filter: blur(3px);
}
.calc-modal-overlay.open { opacity: 1; pointer-events: all; }
.calc-modal-box {
    background: #0f1724;
    border: 1px solid rgba(14,165,233,0.25);
    border-radius: 18px;
    padding: 1.5rem;
    width: 100%;
    max-width: 380px;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(-10px) scale(0.97);
    transition: transform 0.25s;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.calc-modal-overlay.open .calc-modal-box { transform: translateY(0) scale(1); }
.calc-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.3rem; }
.calc-modal-header h3 { font-size: 1.1rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.calc-modal-close { background: rgba(255,255,255,0.08); border: none; color: var(--light); width: 30px; height: 30px; border-radius: 50%; cursor: pointer; font-size: 0.85rem; transition: all 0.2s; flex-shrink: 0; }
.calc-modal-close:hover { background: rgba(239,68,68,0.3); color: #ef4444; }
.calc-modal-sub { font-size: 0.8rem; color: var(--gray); margin-bottom: 1rem; }
.calc-modal-section { margin-bottom: 1rem; }

/* ── Fiyat Hesaplayıcı (ortak stiller) ── */
.calc-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
    align-items: start;
}
.calc-group-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1.2rem 0 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.calc-types { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.calc-type-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    color: var(--light);
}
.calc-type-btn:has(input:checked) { background: rgba(14,165,233,0.15); border-color: var(--primary); color: var(--primary); }
.calc-type-btn input { display: none; }
.calc-extras { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.2rem; }
.calc-extra-item { display: flex; align-items: center; gap: 0.6rem; font-size: 0.88rem; cursor: pointer; color: var(--light); padding: 0.3rem 0; }
.calc-extra-item input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }
.calc-right { display: flex; flex-direction: column; gap: 1.2rem; justify-content: center; position: sticky; top: 5rem; }
.calc-result-box { background: rgba(14,165,233,0.08); border: 1px solid rgba(14,165,233,0.25); border-radius: 16px; padding: 2rem; text-align: center; }
.calc-result-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gray); margin-bottom: 0.8rem; }
.calc-price { font-size: 1.7rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.8rem; transition: all 0.35s; }
.calc-note { font-size: 0.8rem; color: var(--gray); margin-top: 0.5rem; }
/* Calculator her zaman görünür */
#calculator { opacity: 1 !important; transform: none !important; }

/* ── Müşteri Logoları ── */
.clients-grid { display: flex; justify-content: center; align-items: center; gap: 2rem; flex-wrap: wrap; margin-top: 1rem; }
.client-logo-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 1.5rem 2.5rem; display: flex; align-items: center; justify-content: center; transition: all 0.3s; min-width: 160px; }
.client-logo-card:hover { background: rgba(14,165,233,0.08); border-color: rgba(14,165,233,0.3); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(14,165,233,0.12); }
.client-logo-card img { max-width: 130px; max-height: 65px; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.7; transition: opacity 0.3s; }
.client-logo-card:hover img { opacity: 1; }

/* ── Copy Hint ── */
.copy-hint { font-size: 0.72rem; color: var(--primary); opacity: 0.6; margin-left: 0.4rem; font-style: italic; }
#emailCopyItem:hover .copy-hint { opacity: 1; }

/* ── Toast ── */
.toast { position: fixed; bottom: 6rem; left: 50%; transform: translateX(-50%) translateY(16px); background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; padding: 0.65rem 1.8rem; border-radius: 50px; font-size: 0.88rem; font-weight: 600; z-index: 99998; opacity: 0; pointer-events: none; transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1); box-shadow: 0 4px 20px rgba(14,165,233,0.4); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Proje Talep Modalı ── */
.proj-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.75); z-index: 9995; display: flex; align-items: center; justify-content: center; padding: 1rem; opacity: 0; pointer-events: none; transition: opacity 0.3s; backdrop-filter: blur(4px); }
.proj-modal-overlay.open { opacity: 1; pointer-events: all; }
.proj-modal { background: #0f1724; border: 1px solid rgba(14,165,233,0.2); border-radius: 20px; padding: 2.5rem; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; position: relative; transform: scale(0.95); transition: transform 0.3s; }
.proj-modal-overlay.open .proj-modal { transform: scale(1); }
.proj-modal h2 { margin-bottom: 0.3rem; }
.proj-modal-close { position: absolute; top: 1rem; right: 1rem; background: rgba(255,255,255,0.08); border: none; color: var(--light); width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 1rem; transition: all 0.2s; }
.proj-modal-close:hover { background: rgba(239,68,68,0.3); color: #ef4444; }
.req-type-group, .req-budget-group { margin-bottom: 1.2rem; }
.req-type-label { font-size: 0.8rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; display: block; margin-bottom: 0.6rem; }
.req-types { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.req-type-chip { padding: 0.4rem 0.85rem; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; cursor: pointer; font-size: 0.82rem; transition: all 0.2s; color: var(--light); }
.req-type-chip:has(input:checked) { background: rgba(14,165,233,0.18); border-color: var(--primary); color: var(--primary); }
.req-type-chip input { display: none; }
#budgetSlider { width: 100%; accent-color: var(--primary); margin: 0.5rem 0 0.3rem; }
.budget-labels { display: flex; justify-content: space-between; font-size: 0.68rem; color: var(--gray); margin-bottom: 0.5rem; }
.budget-display { text-align: center; color: var(--primary); font-weight: 700; font-size: 1rem; margin-bottom: 0.5rem; }
.proj-req-form input[type="text"], .proj-req-form input[type="email"], .proj-req-form textarea { width: 100%; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); color: var(--light); padding: 0.75rem 1rem; border-radius: 10px; font-family: inherit; font-size: 0.9rem; margin-bottom: 0.8rem; transition: border-color 0.2s; box-sizing: border-box; }
.proj-req-form input:focus, .proj-req-form textarea:focus { outline: none; border-color: var(--primary); }
.proj-req-form textarea { resize: vertical; }

/* ── Light mode — yeni bölümler ── */
.light-mode .calc-modal-box { background: #ffffff !important; border-color: rgba(0,0,0,0.1) !important; }
.light-mode .calc-modal-header h3 { -webkit-text-fill-color: unset; color: #0f172a; background: none; }
.light-mode .calc-modal-close { background: rgba(0,0,0,0.06); color: #0f172a; }
.light-mode .calc-type-btn { background: rgba(0,0,0,0.04) !important; border-color: rgba(0,0,0,0.1) !important; color: #0f172a !important; }
.light-mode .calc-type-btn:has(input:checked) { background: rgba(14,165,233,0.1) !important; border-color: var(--primary) !important; }
.light-mode .calc-extra-item { color: #0f172a !important; }
.light-mode .calc-result-box { background: rgba(14,165,233,0.06) !important; }
.light-mode .client-logo-card { background: #ffffff !important; border-color: rgba(0,0,0,0.08) !important; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.light-mode .client-logo-card img { filter: none; opacity: 0.85; }
.light-mode .proj-modal { background: #ffffff !important; }
.light-mode .proj-modal h2 { color: #0f172a; }
.light-mode .proj-modal-close { background: rgba(0,0,0,0.06); color: #0f172a; }
.light-mode .req-type-chip { background: rgba(0,0,0,0.04) !important; border-color: rgba(0,0,0,0.1) !important; color: #0f172a !important; }
.light-mode .proj-req-form input, .light-mode .proj-req-form textarea { background: #f8fafc !important; border-color: rgba(0,0,0,0.15) !important; color: #0f172a !important; }

/* ── Proje Talep Et Animasyonlu Buton ── */
@keyframes ctaPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(14,165,233,0.55), 0 4px 20px rgba(14,165,233,0.35); }
    50% { box-shadow: 0 0 0 12px rgba(14,165,233,0), 0 4px 28px rgba(14,165,233,0.5); }
}
@keyframes ctaShimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}
@keyframes badgeBounce {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-3px) scale(1.05); }
}

.proj-cta-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}
.proj-cta-badge {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    animation: badgeBounce 2s ease-in-out infinite;
}
.proj-cta-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, #a78bfa 100%);
    background-size: 200% auto;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    animation: ctaPulse 2.2s ease-in-out infinite, ctaShimmer 3s linear infinite;
    transition: transform 0.2s;
    overflow: hidden;
    text-decoration: none;
}
.proj-cta-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.22) 50%, transparent 60%);
    background-size: 200% 100%;
    animation: ctaShimmer 2.5s linear infinite;
}
.proj-cta-btn:hover { transform: scale(1.04) translateY(-2px); }
.proj-cta-btn i { font-size: 1.05rem; }
.proj-cta-sub {
    font-size: 0.78rem;
    color: var(--gray);
    margin: 0;
}

/* ── İletişim Form Başlığı ── */
.contact-form-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    margin-bottom: 1.2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(14,165,233,0.15);
}
.contact-form-header i {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 0.2rem;
}
.contact-form-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}
.contact-form-header p {
    font-size: 0.85rem;
    color: var(--gray);
    margin: 0;
}
.light-mode .contact-form-header { border-bottom-color: rgba(0,0,0,0.1); }
.contact-form-col { display: flex; flex-direction: column; gap: 0; }
.contact-form-col .contact-form { margin-top: 0; }

@media (max-width: 768px) {
    .calc-wrapper { grid-template-columns: 1fr; }
    .calc-right { position: static; }
    .proj-modal { padding: 1.8rem 1.2rem; }
    .client-logo-card { padding: 1rem 1.5rem; min-width: 120px; }
    .proj-cta-btn { font-size: 0.95rem; padding: 0.8rem 1.6rem; }
}