:root {
     --bg-color: #030303;
     --text-primary: #e8e8e8;
     --text-secondary: #909090;
     --metallic-light: #d4d4d4;
     --metallic-silver: #a8a8a8;
     --metallic-dark: #1f1f1f;
     --accent-color: #5a5a5a;
 }

 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     cursor: none;
 }

 html {
     scroll-behavior: smooth;
     scrollbar-gutter: stable;
 }

 /* Custom Scrollbar */
 ::-webkit-scrollbar {
     width: 8px;
 }

 ::-webkit-scrollbar-track {
     background: var(--bg-color);
 }

 ::-webkit-scrollbar-thumb {
     background: var(--accent-color);
     border-radius: 10px;
 }

 ::-webkit-scrollbar-thumb:hover {
     background: var(--metallic-silver);
 }

 body {
     background-color: var(--bg-color);
     color: var(--text-primary);
     font-family: 'Inter', sans-serif;
     line-height: 1.6;
     overflow-x: hidden;
     position: relative;
 }

 h1,
 h2,
 h3,
 blockquote,
 .logo,
 .footer-logo {
     font-family: 'Playfair Display', serif;
 }

 /* Custom Cursor */
 .cursor-dot {
     width: 6px;
     height: 6px;
     background-color: #fff;
     border-radius: 50%;
     position: fixed;
     top: 0;
     left: 0;
     pointer-events: none;
     z-index: 100010;
     transform: translate(-50%, -50%);
     transition: width 0.2s, height 0.2s;
 }

 .cursor-outline {
     width: 30px;
     height: 30px;
     border: 1px solid rgba(255, 255, 255, 0.5);
     border-radius: 50%;
     position: fixed;
     top: 0;
     left: 0;
     pointer-events: none;
     z-index: 100009;
     transform: translate(-50%, -50%);
     transition: width 0.2s, height 0.2s, background-color 0.2s;
 }

 /* Modal açıkken arka plan scroll kilidi */
 body.modal-open {
     overflow: hidden !important;
 }

 a:hover~.cursor-outline,
 button:hover~.cursor-outline,
 input:hover~.cursor-outline,
 textarea:hover~.cursor-outline,
 .lang-btn:hover~.cursor-outline {
     width: 50px;
     height: 50px;
     background-color: rgba(255, 255, 255, 0.05);
 }

 .scroll-progress {
     position: fixed;
     top: 0;
     left: 0;
     width: 0%;
     height: 3px;
     background: linear-gradient(to right, #444, #fff);
     z-index: 1000;
 }

 /* Navbar */
 nav {
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding: 1.5rem 5%;
     position: fixed;
     width: 100%;
     top: 0;
     background: rgba(3, 3, 3, 0.85);
     backdrop-filter: blur(15px);
     -webkit-backdrop-filter: blur(15px);
     border-bottom: 1px solid rgba(255, 255, 255, 0.05);
     z-index: 100;
 }

 .logo {
     font-size: 1.8rem;
     font-weight: 700;
     letter-spacing: 3px;
     color: #fff;
     text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
 }

 .nav-links {
     list-style: none;
     display: flex;
     gap: 2rem;
 }

 .nav-links a {
     color: var(--text-secondary);
     text-decoration: none;
     font-size: 0.85rem;
     text-transform: uppercase;
     letter-spacing: 2px;
     transition: color 0.3s ease;
 }

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

 .nav-links a.active-nav {
     color: #fff;
     position: relative;
 }

 .nav-links a.active-nav::after {
     content: '';
     position: absolute;
     bottom: -4px;
     left: 0;
     width: 100%;
     height: 1px;
     background: #fff;
     opacity: 0.5;
     border-radius: 1px;
 }

 /* Nav Right & Lang Toggle */
 .nav-right {
     display: flex;
     align-items: center;
     gap: 1.5rem;
 }

 .nav-socials {
     display: flex;
     gap: 1rem;
 }

 .nav-socials a {
     color: var(--text-secondary);
     font-size: 1.1rem;
     transition: color 0.3s, transform 0.3s;
     text-decoration: none;
 }

 .nav-socials a:hover {
     color: #fff;
     transform: translateY(-2px);
 }

 .sound-toggle,
 .theme-toggle {
     cursor: pointer;
     font-size: 1.15rem;
     color: var(--text-secondary);
     transition: color 0.3s, transform 0.2s;
     display: flex;
     align-items: center;
     justify-content: center;
     width: 32px;
     height: 32px;
     border-radius: 50%;
 }

 .sound-toggle:hover,
 .theme-toggle:hover {
     color: #fff;
     transform: scale(1.1);
 }

 .sound-toggle.muted {
     color: #555;
     opacity: 0.7;
 }

 .mobile-sound-btn,
 .mobile-theme-btn {
     background: transparent;
     border: 1px solid rgba(255, 255, 255, 0.15);
     color: var(--text-primary);
     width: 38px;
     height: 38px;
     border-radius: 50%;
     display: inline-flex;
     align-items: center;
     justify-content: center;
     font-size: 1rem;
     cursor: pointer;
     transition: all 0.3s ease;
 }

 .mobile-sound-btn:hover,
 .mobile-theme-btn:hover {
     border-color: #fff;
     color: #fff;
 }

 .mobile-sound-btn.muted {
     opacity: 0.5;
 }

 .lang-toggle {
     display: flex;
     align-items: center;
     gap: 0.5rem;
     font-size: 0.85rem;
     font-weight: 600;
     color: var(--text-secondary);
     user-select: none;
 }

 .lang-btn {
     transition: color 0.3s;
 }

 .lang-btn.active {
     color: #fff;
 }

 .lang-separator {
     color: #444;
 }

 .nav-btn {
     text-decoration: none;
     font-size: 0.8rem;
 }

 .metallic-btn-small {
     padding: 0.6rem 1.2rem;
     background: transparent;
     color: var(--metallic-light);
     border: 1px solid var(--accent-color);
     border-radius: 20px;
     text-transform: uppercase;
     letter-spacing: 1px;
     transition: all 0.3s ease;
 }

 .metallic-btn-small:hover {
     background: var(--metallic-dark);
     color: #fff;
     border-color: #fff;
 }

 /* Hero Section */
 .hero {
     min-height: 100vh;
     display: flex;
     align-items: center;
     justify-content: center;
     text-align: center;
     padding: 8rem 1rem 3rem;
     position: relative;
     overflow: hidden;
 }

 .hero-bg-grid {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background-image:
         linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
         linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
     background-size: 50px 50px;
     mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
     z-index: 0;
 }

 .hero-content {
     max-width: 900px;
     display: flex;
     flex-direction: column;
     align-items: center;
     position: relative;
     z-index: 10;
 }

 .metallic-text {
     font-size: clamp(2.5rem, 8vw, 5rem);
     background: linear-gradient(180deg, #ffffff 0%, #b3b3b3 40%, #5a5a5a 100%);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     text-transform: uppercase;
     letter-spacing: 8px;
     margin-bottom: 0.5rem;
     filter: drop-shadow(0px 8px 10px rgba(0, 0, 0, 0.9));
 }

 /* Typewriter */
 .typewriter-wrapper {
     display: flex;
     align-items: center;
     gap: 0.5rem;
     font-family: 'Inter', sans-serif;
     font-size: 1.1rem;
     letter-spacing: 2px;
     text-transform: uppercase;
     color: var(--text-secondary);
     margin-bottom: 3.5rem;
     min-height: 1.8em;
 }

 .typewriter-prefix {
     color: var(--metallic-silver);
     font-weight: 600;
 }

 .typewriter-text {
     color: var(--metallic-light);
     font-weight: 300;
 }

 .typewriter-cursor {
     color: var(--metallic-light);
     font-weight: 100;
     animation: blink 0.8s step-end infinite;
 }

 @keyframes blink {
     50% {
         opacity: 0;
     }
 }

 /* Profile Image */
 .profile-container {
     position: relative;
     width: 280px;
     height: 280px;
     margin: 0 auto 3.5rem;
     /* vanilla-tilt will handle transform */
 }

 .profile-img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     border-radius: 50%;
     filter: grayscale(100%) contrast(1.1) brightness(0.85);
     position: relative;
     z-index: 2;
     box-shadow: 0 15px 40px rgba(0, 0, 0, 1);
     transition: filter 0.5s ease;
 }

 .profile-container:hover .profile-img {
     filter: grayscale(40%) contrast(1.1) brightness(1);
     /* Reveals some color on hover */
 }

 .metallic-ring {
     position: absolute;
     top: -15px;
     left: -15px;
     right: -15px;
     bottom: -15px;
     border-radius: 50%;
     background: conic-gradient(from 0deg, #111, #666, #222, #888, #111);
     z-index: 1;
     box-shadow: 0 0 30px rgba(0, 0, 0, 0.9), inset 0 0 20px rgba(0, 0, 0, 0.9);
     animation: rotateRing 20s linear infinite;
 }

 @keyframes rotateRing {
     0% {
         transform: rotate(0deg);
     }

     100% {
         transform: rotate(360deg);
     }
 }

 .bio {
     font-size: 1.15rem;
     color: var(--text-secondary);
     max-width: 700px;
     font-weight: 300;
     line-height: 1.8;
 }

 .bio p {
     margin-bottom: 1.2rem;
 }

 .bio strong {
    color: var(--metallic-light);
    font-weight: 600;
}

/* Hero Live Stats Counter */
.hero-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    max-width: 680px;
    width: 100%;
    margin: 2.2rem auto 1.5rem auto;
    justify-content: center;
}

.hero-stat-card {
    background: rgba(18, 18, 22, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.1rem 0.9rem;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    position: relative;
    overflow: hidden;
}

.hero-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0.6;
}

.hero-stat-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(26, 26, 32, 0.9);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55), 0 0 15px rgba(255, 255, 255, 0.04);
}

.hero-stat-number {
    font-size: 1.85rem;
    font-weight: 700;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.5px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.hero-stat-number .stat-symbol {
    color: #38bdf8;
    font-size: 1.35rem;
    font-weight: 600;
}

.hero-stat-label {
    font-size: 0.74rem;
    color: var(--text-secondary);
    line-height: 1.35;
    font-weight: 500;
}

/* Light mode for hero stats */
body.light-mode .hero-stat-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

body.light-mode .hero-stat-card::before {
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
}

body.light-mode .hero-stat-card:hover {
    background: #f8fafc;
    border-color: rgba(0, 0, 0, 0.18);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

body.light-mode .hero-stat-number {
    color: #0f172a;
}

body.light-mode .hero-stat-number .stat-symbol {
    color: #0284c7;
}

body.light-mode .hero-stat-label {
    color: #64748b;
}

@media (max-width: 768px) {
    .hero-stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.7rem;
        margin: 1.8rem auto 1.2rem auto;
    }

    .hero-stat-number {
        font-size: 1.45rem;
    }

    .hero-stat-card {
        padding: 0.9rem 0.5rem;
    }

    .hero-stat-label {
        font-size: 0.68rem;
    }
}

/* Hero Actions (CV Download & Quick GitHub) */
 .hero-actions {
     margin-top: 2rem;
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 1rem;
     flex-wrap: wrap;
 }

 .cv-download-btn {
     display: inline-flex;
     align-items: center;
     gap: 0.8rem;
     padding: 0.85rem 1.8rem;
     background: transparent;
     color: var(--metallic-light);
     border: 1px solid var(--accent-color);
     border-radius: 30px;
     text-decoration: none;
     text-transform: uppercase;
     font-size: 0.82rem;
     letter-spacing: 1.5px;
     transition: all 0.3s ease;
     font-family: 'Inter', sans-serif;
 }

 .cv-download-btn:hover {
     background: var(--metallic-dark);
     border-color: #fff;
     color: #fff;
     transform: translateY(-3px);
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
 }

 .hero-gh-btn {
     display: inline-flex;
     align-items: center;
     gap: 0.6rem;
     padding: 0.85rem 1.5rem;
     background: rgba(255, 255, 255, 0.04);
     color: var(--text-secondary);
     border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 30px;
     text-decoration: none;
     font-size: 0.82rem;
     text-transform: uppercase;
     letter-spacing: 1.5px;
     transition: all 0.3s ease;
 }

 .hero-gh-btn:hover {
     color: #fff;
     border-color: rgba(255, 255, 255, 0.3);
     background: rgba(255, 255, 255, 0.08);
     transform: translateY(-3px);
 }

 body.light-mode .hero-status-pill {
     background: rgba(0, 0, 0, 0.03);
     border-color: rgba(0, 0, 0, 0.08);
     color: #555;
 }

 body.light-mode .hero-gh-btn {
     background: rgba(0, 0, 0, 0.04);
     border-color: rgba(0, 0, 0, 0.12);
     color: #444;
 }

 body.light-mode .hero-gh-btn:hover {
     background: #000;
     color: #fff;
 }

 .scroll-down {
     margin-top: 2rem;
     color: var(--text-secondary);
     font-size: 1.5rem;
     animation: bounce 2s infinite;
     transition: color 0.3s;
 }

 .scroll-down:hover {
     color: #fff;
 }

 @keyframes bounce {

     0%,
     20%,
     50%,
     80%,
     100% {
         transform: translateY(0);
     }

     40% {
         transform: translateY(-15px);
     }

     60% {
         transform: translateY(-7px);
     }
 }

 /* Section Shared */
 .section-title {
     text-align: center;
     font-size: 2.8rem;
     margin-bottom: 4rem;
     color: #fff;
     letter-spacing: 2px;
     text-transform: capitalize;
 }

 /* Quote Section */
 .quote-section {
     padding: 7rem 1rem;
     background: linear-gradient(to right, #000, #0a0a0a, #000);
     text-align: center;
     border-top: 1px solid #1a1a1a;
     border-bottom: 1px solid #1a1a1a;
     box-shadow: inset 0 0 50px rgba(0, 0, 0, 1);
 }

 .quote-container {
     max-width: 850px;
     margin: 0 auto;
     padding: 3rem;
     background: rgba(10, 10, 10, 0.5);
     border-radius: 12px;
     border: 1px solid #1a1a1a;
 }

 .quote-icon {
     font-size: 2.5rem;
     color: #2a2a2a;
     margin-bottom: 2rem;
 }

 blockquote {
     font-size: clamp(1.5rem, 4vw, 2.5rem);
     font-style: italic;
     color: #f0f0f0;
     margin-bottom: 2rem;
     line-height: 1.5;
     text-shadow: 0 5px 15px rgba(0, 0, 0, 0.8);
 }

 cite {
     font-size: 0.95rem;
     color: var(--metallic-silver);
     text-transform: uppercase;
     letter-spacing: 4px;
     font-family: 'Inter', sans-serif;
 }

 /* Skills & Journey Section */
 .skills-section {
     padding: 8rem 5%;
     background: #030303;
 }
.skills-container {
    max-width: 1200px;
    margin: 0 auto 5rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* Skill group card - Premium dark glassmorphism */
.skill-group {
    background: linear-gradient(145deg, rgba(20, 20, 20, 0.7) 0%, rgba(10, 10, 10, 0.85) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 1.75rem 1.5rem 1.6rem;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.skill-group::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.skill-group:hover {
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.65), 0 0 25px rgba(255, 255, 255, 0.03);
}

.skill-group--full {
    grid-column: 1 / -1;
}

.skill-group-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.3rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.skill-group-icon {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--metallic-silver);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.skill-group h3 {
    font-size: 0.92rem;
    color: #ffffff !important;
    margin: 0;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    align-items: center;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.5rem 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    border-radius: 8px;
    font-size: 0.84rem;
    letter-spacing: 0.5px;
    transition: all 0.25s ease;
    white-space: nowrap;
    user-select: none;
}

.skill-tag:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.28);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

.skill-tag .skill-icon {
    font-size: 0.95rem;
    color: var(--metallic-silver);
    transition: color 0.25s, transform 0.25s;
}

.skill-tag:hover .skill-icon {
    color: #ffffff;
    transform: scale(1.1);
}

.skill-name {
    font-weight: 500;
}

/* Skill level badge */
.skill-level {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.18rem 0.55rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    font-size: 0.7rem;
    letter-spacing: 0.4px;
    color: #888;
    white-space: nowrap;
    transition: all 0.25s;
}

.skill-tag:hover .skill-level {
    color: #ccc;
    border-color: rgba(255, 255, 255, 0.25);
}

.skill-level--mid {
    background: rgba(168, 168, 168, 0.08);
    border-color: rgba(168, 168, 168, 0.22);
    color: var(--metallic-silver);
}

.skill-tag:hover .skill-level--mid {
    background: rgba(168, 168, 168, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}

.skill-level--adv {
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.28);
    color: #7dd3fc;
}

.skill-tag:hover .skill-level--adv {
    background: rgba(56, 189, 248, 0.16);
    border-color: rgba(56, 189, 248, 0.5);
    color: #bae6fd;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.skill-level--special {
    background: rgba(234, 179, 8, 0.08);
    border-color: rgba(234, 179, 8, 0.28);
    color: #facc15;
}

.skill-tag:hover .skill-level--special {
    background: rgba(234, 179, 8, 0.16);
    border-color: rgba(234, 179, 8, 0.5);
    color: #fef08a;
}

.skill-level--trait {
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.28);
    color: #86efac;
}

.skill-tag:hover .skill-level--trait {
    background: rgba(34, 197, 94, 0.16);
    border-color: rgba(34, 197, 94, 0.5);
    color: #bbf7d0;
}

@media (max-width: 992px) {
    .skills-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .skills-container {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .skill-group {
        padding: 1.4rem 1.2rem;
    }
    .skill-tag {
        width: 100%;
        justify-content: space-between;
    }
}

/* ===== Technology Matrix (Modern & Highly Readable) ===== */
.tech-matrix-container {
    max-width: 1200px;
    margin: 0 auto 5.5rem;
    padding: 0 1rem;
}

.tech-matrix-header-box {
    text-align: center;
    margin-bottom: 2.8rem;
}

.tech-matrix-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.5px;
    margin-bottom: 0.6rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.tech-matrix-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.6;
}

.tech-matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.25rem;
}

.tech-matrix-card {
    background: #080808;
    border: 1px solid #1f1f1f;
    border-radius: 14px;
    padding: 1.35rem 1.45rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.9rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.tech-matrix-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    opacity: 0.5;
    transition: opacity 0.3s;
}

.tech-matrix-card:hover {
    border-color: #333333;
    background: #0d0d0d;
    transform: translateY(-4px);
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.7);
}

.tech-matrix-card:hover::before {
    opacity: 1;
}

.tech-matrix-top {
    display: flex;
    align-items: center;
    gap: 0.95rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid #161616;
}

.tech-matrix-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #ffffff;
    background: #111111;
    border: 1px solid #222222;
    border-radius: 10px;
    flex-shrink: 0;
    transition: transform 0.25s, color 0.25s, border-color 0.25s;
}

.tech-matrix-card:hover .tech-matrix-icon {
    transform: scale(1.08);
    border-color: #3d3d3d;
    color: #ffffff;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.05);
}

.tech-matrix-head-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.tech-matrix-name {
    font-size: 0.98rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.3px;
    margin: 0;
    line-height: 1.35;
    white-space: normal;
}

.tech-matrix-exp {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.55);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 500;
}

.tech-matrix-exp i {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.4);
}

.tech-matrix-desc {
    font-size: 0.86rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.72);
    margin: 0;
}

/* Badges - Sitenin Siyah & Metalik Monokrom Ruhuna Tam Uyumlu */
.tech-matrix-badge {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    padding: 0.28rem 0.65rem;
    border-radius: 6px;
    white-space: nowrap;
    flex-shrink: 0;
    border: 1px solid #262626;
    background: #121212;
    color: #a3a3a3;
    transition: all 0.25s ease;
}

/* Temel Düzey */
.tech-badge--base {
    background: #0f0f0f;
    color: #888888;
    border-color: #222222;
}

/* Orta Düzey */
.tech-badge--mid {
    background: #141414;
    color: #d1d5db;
    border-color: #2a2a2a;
}

/* İleri Düzey */
.tech-badge--adv {
    background: #1a1a1a;
    color: #ffffff;
    border-color: #383838;
}

/* Özel (Erasmus+) */
.tech-badge--special {
    background: #19160a;
    color: #eab308;
    border-color: #3b2f0a;
}

.tech-matrix-card:hover .tech-matrix-badge {
    border-color: #3d3d3d;
    color: #ffffff;
}

/* Filter Bar - Siyah & Metalik Zemin */
.tech-filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-bottom: 2.4rem;
}

.tech-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.15rem;
    background: #0a0a0a;
    border: 1px solid #1f1f1f;
    color: var(--text-secondary);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    user-select: none;
}

.tech-filter-btn:hover {
    color: #ffffff;
    background: #141414;
    border-color: #333333;
    transform: translateY(-2px);
}

.tech-filter-btn.active {
    background: #1c1c1c;
    color: #ffffff;
    font-weight: 600;
    border-color: #3f3f3f;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
}

/* Projects Connection Inside Cards */
.tech-matrix-projects {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding-top: 0.8rem;
    border-top: 1px dashed #1a1a1a;
    margin-top: 0.2rem;
}

.tech-proj-label {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 500;
}

.tech-proj-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.74rem;
    font-weight: 500;
    background: #111111;
    border: 1px solid #222222;
    color: #a3a3a3;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.tech-proj-badge:hover {
    background: #1c1c1c;
    border-color: #383838;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Project Target Highlight Animation */
@keyframes projectCardGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6), 0 0 30px rgba(56, 189, 248, 0.4);
        border-color: rgba(255, 255, 255, 0.8);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(255, 255, 255, 0), 0 0 50px rgba(56, 189, 248, 0.8);
        border-color: #ffffff;
    }
    100% {
        box-shadow: 0 0 0 0 transparent;
        border-color: rgba(255, 255, 255, 0.12);
    }
}

.project-card--highlight {
    animation: projectCardGlow 2.2s ease-out;
}

@media (max-width: 680px) {
    .tech-filter-bar {
        gap: 0.45rem;
        margin-bottom: 1.8rem;
    }

    .tech-filter-btn {
        padding: 0.45rem 0.85rem;
        font-size: 0.76rem;
    }
}

@media (max-width: 680px) {
    .tech-matrix-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tech-matrix-card {
        padding: 1.15rem 1.2rem;
    }

    .tech-matrix-title {
        font-size: 1.6rem;
    }
}

 /* Timeline */
 .timeline-container {
     max-width: 800px;
     margin: 0 auto;
 }

 .timeline-title {
     text-align: center;
     font-size: 2rem;
     color: #fff;
     margin-bottom: 3rem;
 }

 .timeline {
     position: relative;
     padding-left: 2rem;
 }

 .timeline::before {
     content: '';
     position: absolute;
     left: 0;
     top: 0;
     height: 100%;
     width: 2px;
     background: linear-gradient(to bottom, #444, #111);
 }

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

 .timeline-item:last-child {
     margin-bottom: 0;
 }

 .timeline-dot {
     position: absolute;
     left: -2.35rem;
     top: 0;
     width: 16px;
     height: 16px;
     border-radius: 50%;
     background: var(--metallic-light);
     border: 3px solid #000;
     box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
 }

 .timeline-dot-future {
     background: transparent;
     border: 3px solid var(--accent-color);
 }

 .timeline-content {
     background: rgba(10, 10, 10, 0.5);
     border: 1px solid #222;
     padding: 1.5rem;
     border-radius: 8px;
     transition: border-color 0.3s;
 }

 .timeline-content:hover {
     border-color: #555;
 }

 .timeline-content h4 {
     color: #fff;
     font-size: 1.3rem;
     margin-bottom: 0.3rem;
 }

 .timeline-date {
     color: var(--accent-color);
     font-size: 0.85rem;
     text-transform: uppercase;
     letter-spacing: 1px;
     margin-bottom: 1rem;
 }

 .timeline-content p {
     color: var(--text-secondary);
     font-size: 0.95rem;
 }

 /* Projects Section */
 .projects-section {
     padding: 8rem 5% 4rem;
     background: linear-gradient(to bottom, #030303, #0a0a0a);
     border-top: 1px solid #111;
 }

 .cards-container {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
     gap: 3rem;
     max-width: 1200px;
     margin: 0 auto;
 }

 /* Base card without hover transforms since vanilla-tilt handles it */
 .metallic-card {
     background: #080808;
     border: 1px solid #1f1f1f;
     padding: 2.2rem 2rem;
     border-radius: 14px;
     text-align: left;
     box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02), 0 15px 35px rgba(0, 0, 0, 0.8);
     display: flex;
     flex-direction: column;
     transform-style: preserve-3d;
     /* For 3D tilt effect */
     transition: border-color 0.3s ease, box-shadow 0.3s ease;
 }

 .metallic-card:hover {
     border-color: rgba(255, 255, 255, 0.2);
     box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 20px 40px rgba(0, 0, 0, 0.9);
 }

 .card-top {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 1.2rem;
 }

 .card-icon {
     font-size: 2rem;
     color: var(--metallic-light);
     margin-bottom: 0;
     transform: translateZ(40px);
 }

 .project-type-tag {
     font-size: 0.7rem;
     letter-spacing: 1.2px;
     text-transform: uppercase;
     color: #888;
     background: rgba(255, 255, 255, 0.03);
     border: 1px solid rgba(255, 255, 255, 0.08);
     padding: 3px 10px;
     border-radius: 12px;
 }

 .metallic-card h3 {
     font-size: 1.35rem;
     margin-bottom: 0.75rem;
     color: #fff;
     letter-spacing: 0.5px;
     transform: translateZ(25px);
 }

 .metallic-card p {
     color: var(--text-secondary);
     font-size: 0.88rem;
     line-height: 1.6;
     margin-bottom: 1.4rem;
     flex-grow: 1;
     transform: translateZ(15px);
 }

 /* Card tech tags */
 .card-tech-tags {
     display: flex;
     flex-wrap: wrap;
     gap: 0.4rem;
     margin-bottom: 1.4rem;
     transform: translateZ(15px);
 }

 .card-tech-tags span {
     padding: 0.25rem 0.65rem;
     background: rgba(255, 255, 255, 0.03);
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-radius: 6px;
     font-size: 0.72rem;
     color: #bbb;
     letter-spacing: 0.5px;
 }

 /* Card Security Note */
 .card-security-note {
     display: flex;
     align-items: flex-start;
     gap: 8px;
     font-size: 0.72rem;
     color: #999;
     background: rgba(255, 140, 0, 0.04);
     border: 1px solid rgba(255, 140, 0, 0.18);
     border-left: 2px solid #ff9800;
     padding: 8px 10px;
     border-radius: 6px;
     margin-bottom: 1.2rem;
     line-height: 1.45;
     transform: translateZ(15px);
 }

 .card-security-note i {
     color: #ff9800;
     font-size: 0.82rem;
     margin-top: 2px;
     flex-shrink: 0;
 }

 body.light-mode .card-security-note {
     background: rgba(255, 140, 0, 0.08);
     border-color: rgba(255, 140, 0, 0.25);
     border-left-color: #ff9800;
     color: #555;
 }

 .card-footer {
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding-top: 1.2rem;
     border-top: 1px solid rgba(255, 255, 255, 0.06);
     font-size: 0.85rem;
     transform: translateZ(15px);
 }

 .card-action-btn {
     text-decoration: none;
     font-size: 0.76rem;
     padding: 0.45rem 1rem;
     display: inline-flex;
     align-items: center;
     gap: 6px;
 }

 body.light-mode .metallic-card {
     background: #ffffff;
     border-color: #e2e2e2;
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
 }

 body.light-mode .project-type-tag {
     color: #666;
     background: #f0f0f0;
     border-color: #ddd;
 }

 body.light-mode .card-footer {
     border-top-color: #eee;
 }

 /* Coming Soon Badge */
 .coming-soon-badge {
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
     padding: 0.4rem 1rem;
     border: 1px dashed #444;
     border-radius: 20px;
     font-size: 0.75rem;
     color: #555;
     letter-spacing: 1px;
     text-transform: uppercase;
     cursor: default;
     transition: all 0.3s;
 }

 .coming-soon-badge:hover {
     border-color: #666;
     color: #777;
 }

 body.light-mode .coming-soon-badge {
     border-color: #bbb;
     color: #999;
 }

 body.light-mode .coming-soon-badge:hover {
     border-color: #999;
     color: #777;
 }

 /* Certificates & Achievements Section (Holographic) */
 .certificates-section {
     padding: 4rem 5% 8rem;
     background: linear-gradient(to bottom, #0a0a0a, #050505);
     position: relative;
 }

 .certs-container {
     display: flex;
     flex-wrap: wrap;
     justify-content: center;
     gap: 3rem;
     max-width: 1200px;
     margin: 0 auto;
     position: relative;
     z-index: 2;
 }

 .cert-card {
     width: 100%;
     max-width: 450px;
     background: #080808;
     border: 1px solid #1f1f1f;
     padding: 3rem 2.5rem;
     border-radius: 12px;
     text-align: center;
     position: relative;
     display: flex;
     flex-direction: column;
     align-items: center;
     transform-style: preserve-3d;
     box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02), 0 15px 35px rgba(0, 0, 0, 0.8);
 }

 .cert-icon {
     font-size: 3rem;
     color: var(--metallic-light);
     margin-bottom: 1.5rem;
     transform: translateZ(40px);
     background: linear-gradient(135deg, #fff, #888);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     filter: drop-shadow(0 5px 15px rgba(255, 255, 255, 0.1));
 }

 .cert-content {
     transform: translateZ(30px);
 }

 .cert-content h3 {
     font-size: 1.3rem;
     color: #fff;
     margin-bottom: 0.5rem;
     letter-spacing: 1px;
 }

 .cert-issuer {
     font-size: 0.8rem;
     color: var(--metallic-silver);
     text-transform: uppercase;
     letter-spacing: 2px;
     margin-bottom: 1rem;
     font-weight: 600;
 }

 .cert-desc {
     font-size: 0.95rem;
     color: var(--text-secondary);
     line-height: 1.5;
     margin-bottom: 1.5rem;
 }

 .cert-preview-btn {
     cursor: pointer;
     font-size: 0.8rem;
     padding: 0.55rem 1.2rem;
     border-radius: 20px;
     display: inline-flex;
     align-items: center;
     gap: 8px;
     transform: translateZ(35px);
     transition: all 0.3s ease;
 }

 .cert-preview-btn:hover {
     background: #fff;
     color: #000;
     border-color: #fff;
 }

 /* Holographic effect elements */
 .holographic-card::after {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: linear-gradient(135deg,
             rgba(255, 255, 255, 0) 0%,
             rgba(255, 255, 255, 0) 40%,
             rgba(255, 255, 255, 0.1) 50%,
             rgba(255, 255, 255, 0) 60%,
             rgba(255, 255, 255, 0) 100%);
     border-radius: 15px;
     opacity: 0;
     transition: opacity 0.5s ease;
     z-index: 10;
     pointer-events: none;
 }

 .holographic-card:hover {
     border-color: rgba(255, 255, 255, 0.3);
     box-shadow:
         0 20px 40px rgba(0, 0, 0, 0.9),
         0 0 20px rgba(255, 255, 255, 0.05),
         inset 0 0 15px rgba(255, 255, 255, 0.05);
 }

 .holographic-card:hover::after {
     opacity: 1;
     animation: holoShine 2s infinite linear;
 }

 @keyframes holoShine {
     0% {
         background-position: -200% -200%;
     }

     100% {
         background-position: 200% 200%;
     }
 }

 /* ==========================================================
   Certificate Lightbox & Formal Diploma Layout
   ========================================================== */
 .cert-modal-content {
     max-width: 700px !important;
     padding: 2.2rem !important;
 }

 .formal-cert-frame {
     position: relative;
     background: linear-gradient(145deg, #0d0e12, #070709);
     border: 2px solid rgba(255, 255, 255, 0.18);
     border-radius: 12px;
     padding: 2.5rem 2rem;
     box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8), 0 15px 35px rgba(0, 0, 0, 0.7);
     overflow: hidden;
 }

 .cert-watermark {
     position: absolute;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%) rotate(-25deg);
     font-size: 5rem;
     font-weight: 900;
     letter-spacing: 12px;
     color: rgba(255, 255, 255, 0.02);
     pointer-events: none;
     user-select: none;
     white-space: nowrap;
 }

 .formal-cert-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     border-bottom: 1px solid rgba(255, 255, 255, 0.1);
     padding-bottom: 1.2rem;
     margin-bottom: 1.8rem;
 }

 .eu-flag-box {
     display: flex;
     align-items: center;
     gap: 8px;
     font-size: 0.76rem;
     letter-spacing: 2px;
     font-weight: 600;
     color: #4da6ff;
 }

 .eu-flag-box i {
     font-size: 1.1rem;
 }

 .cert-badge-official {
     font-size: 0.7rem;
     padding: 3px 10px;
     border-radius: 12px;
     background: rgba(39, 201, 63, 0.1);
     border: 1px solid rgba(39, 201, 63, 0.3);
     color: #52e36b;
     letter-spacing: 1.5px;
 }

 .formal-cert-body {
     text-align: center;
 }

 .formal-cert-title {
     font-family: 'Playfair Display', serif;
     font-size: clamp(1.6rem, 4vw, 2.2rem);
     color: #fff;
     letter-spacing: 4px;
     margin-bottom: 0.6rem;
 }

 .formal-cert-subtitle {
     font-size: 0.85rem;
     color: var(--text-secondary);
     margin-bottom: 1.8rem;
 }

 .formal-cert-name {
     font-family: 'Playfair Display', serif;
     font-size: clamp(1.8rem, 5vw, 2.5rem);
     color: #ffffff;
     font-weight: 700;
     letter-spacing: 3px;
     text-transform: uppercase;
     background: linear-gradient(180deg, #fff 0%, #aaa 100%);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     margin-bottom: 0.3rem;
 }

 .formal-cert-school {
     font-size: 0.85rem;
     color: var(--metallic-silver);
     letter-spacing: 1px;
     margin-bottom: 2rem;
 }

 .formal-cert-details {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
     gap: 12px;
     background: rgba(255, 255, 255, 0.02);
     border: 1px solid rgba(255, 255, 255, 0.06);
     padding: 1.2rem;
     border-radius: 8px;
     text-align: left;
     margin-bottom: 2rem;
 }

 .detail-box {
     display: flex;
     flex-direction: column;
 }

 .detail-label {
     font-size: 0.7rem;
     color: #777;
     text-transform: uppercase;
     letter-spacing: 1px;
     margin-bottom: 2px;
 }

 .detail-val {
     font-size: 0.86rem;
     color: #eee;
     font-weight: 500;
 }

 .formal-cert-footer {
     display: flex;
     justify-content: space-between;
     align-items: flex-end;
     border-top: 1px solid rgba(255, 255, 255, 0.08);
     padding-top: 1.5rem;
 }

 .cert-signature-block {
     display: flex;
     flex-direction: column;
     text-align: left;
 }

 .sig-line {
     width: 140px;
     height: 1px;
     background: rgba(255, 255, 255, 0.25);
     margin-bottom: 6px;
 }

 .sig-title {
     font-size: 0.78rem;
     color: #ccc;
     font-weight: 600;
 }

 .sig-desc {
     font-size: 0.7rem;
     color: #777;
 }

 .cert-seal {
     width: 55px;
     height: 55px;
     border-radius: 50%;
     border: 2px dashed rgba(255, 215, 0, 0.5);
     background: rgba(255, 215, 0, 0.05);
     display: flex;
     align-items: center;
     justify-content: center;
     color: #ffd700;
     font-size: 1.6rem;
     box-shadow: 0 0 15px rgba(255, 215, 0, 0.1);
 }

 .cert-modal-actions {
     display: flex;
     justify-content: center;
     margin-top: 1.5rem;
 }

 /* Light mode for formal cert */
 body.light-mode .formal-cert-frame {
     background: linear-gradient(145deg, #ffffff, #f7f7f9);
     border-color: #ddd;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
 }

 body.light-mode .formal-cert-title,
 body.light-mode .formal-cert-name {
     color: #111;
     -webkit-text-fill-color: initial;
     background: none;
 }

 body.light-mode .formal-cert-details {
     background: #f7f7f7;
     border-color: #e5e5e5;
 }

 body.light-mode .detail-val {
     color: #222;
 }

 body.light-mode .sig-title {
     color: #333;
 }

 /* Light mode support for certificates */
 body.light-mode .certificates-section {
     background: #fdfdfd;
     border-top: 1px solid #eaeaea;
 }

 body.light-mode .cert-card {
     background: rgba(255, 255, 255, 0.8);
     border-color: #ddd;
     box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
 }

 body.light-mode .cert-content h3 {
     color: #111;
 }

 body.light-mode .cert-icon {
     background: linear-gradient(135deg, #111, #666);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
 }

 body.light-mode .holographic-card:hover {
     border-color: #aaa;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
 }

 /* FAQ Section */
 .faq-section {
     padding: 8rem 5%;
     background: #050505;
     border-top: 1px solid #111;
 }

 .faq-container {
     max-width: 800px;
     margin: 0 auto;
 }

 .faq-item {
     border-bottom: 1px solid #1a1a1a;
     margin-bottom: 0;
 }

 .faq-question {
     width: 100%;
     display: flex;
     justify-content: space-between;
     align-items: center;
     padding: 1.8rem 0;
     background: transparent;
     border: none;
     color: var(--text-primary);
     font-size: 1.1rem;
     font-family: 'Playfair Display', serif;
     text-align: left;
     cursor: none;
     transition: color 0.3s;
 }

 .faq-question:hover {
     color: #fff;
 }

 .faq-icon {
     font-size: 1rem;
     color: var(--text-secondary);
     transition: transform 0.4s ease;
     flex-shrink: 0;
     margin-left: 1rem;
 }

 .faq-item.active .faq-icon {
     transform: rotate(45deg);
     color: #fff;
 }

 .faq-answer {
     max-height: 0;
     overflow: hidden;
     transition: max-height 0.5s cubic-bezier(0.165, 0.84, 0.44, 1), padding 0.5s;
     padding: 0 0;
 }

 .faq-item.active .faq-answer {
     max-height: 400px;
     padding: 0 0 2rem 0;
 }

 .faq-answer p {
     color: var(--text-secondary);
     font-size: 1rem;
     line-height: 1.9;
     padding-left: 0.5rem;
     border-left: 2px solid var(--accent-color);
 }

 /* Contact Section */
 .contact-section {
     padding: 8rem 5%;
     background: #050505;
     border-top: 1px solid #111;
 }

 .contact-wrapper {
     max-width: 1100px;
     margin: 0 auto;
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 4rem;
 }

 .contact-details {
     margin-top: 3rem;
 }

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

 .contact-item i {
     font-size: 1.5rem;
     color: var(--metallic-light);
     width: 30px;
     text-align: center;
 }

 .contact-item a,
 .contact-item span {
     color: var(--text-primary);
     text-decoration: none;
     font-size: 1.1rem;
     transition: color 0.3s;
 }

 .contact-item a:hover {
     color: var(--metallic-silver);
 }

 /* Form Styles */
 .contact-form {
     background: #0a0a0a;
     padding: 3rem;
     border-radius: 8px;
     border: 1px solid #222;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
 }

 .form-group {
     margin-bottom: 1.5rem;
 }

 .form-group input,
 .form-group textarea {
     width: 100%;
     padding: 1rem 1.5rem;
     background: #111;
     border: 1px solid #333;
     color: #fff;
     border-radius: 4px;
     font-family: 'Inter', sans-serif;
     transition: border-color 0.3s, box-shadow 0.3s;
 }

 .form-group input:focus,
 .form-group textarea:focus {
     outline: none;
     border-color: var(--metallic-silver);
     background: #151515;
     box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
 }

 .submit-btn {
     width: 100%;
     padding: 1.2rem;
     background: #1f1f1f;
     color: #fff;
     border: 1px solid #444;
     cursor: none;
     font-size: 1rem;
     text-transform: uppercase;
     letter-spacing: 2px;
     transition: all 0.3s;
 }

 .submit-btn:hover {
     background: #2a2a2a;
     border-color: #888;
 }

 .form-status {
     margin-top: 1rem;
     padding: 0.8rem 1rem;
     border-radius: 4px;
     font-size: 0.9rem;
     text-align: center;
 }

 .form-status.success {
     background: rgba(26, 58, 26, 0.5);
     border: 1px solid #2a5a2a;
     color: #6abf6a;
 }

 .form-status.error {
     background: rgba(58, 26, 26, 0.5);
     border: 1px solid #5a2a2a;
     color: #bf6a6a;
 }

 /* Back to Top */
 .back-to-top {
     position: fixed;
     bottom: 30px;
     right: 30px;
     width: 50px;
     height: 50px;
     border-radius: 50%;
     background: rgba(20, 20, 20, 0.8);
     backdrop-filter: blur(5px);
     border: 1px solid #444;
     color: #fff;
     font-size: 1.2rem;
     display: flex;
     justify-content: center;
     align-items: center;
     z-index: 900;
     opacity: 0;
     visibility: hidden;
     transition: all 0.4s ease;
     cursor: none;
     /* Let custom cursor handle it */
 }

 .back-to-top.visible {
     opacity: 1;
     visibility: visible;
 }

 .back-to-top:hover {
     background: #fff;
     color: #000;
     transform: translateY(-5px);
 }

 /* Toast Notification */
 .toast {
     position: fixed;
     bottom: 30px;
     left: 50%;
     transform: translateX(-50%) translateY(100px);
     background: rgba(10, 10, 10, 0.95);
     backdrop-filter: blur(5px);
     color: #fff;
     padding: 1rem 2rem;
     border-radius: 30px;
     border: 1px solid #333;
     font-size: 0.9rem;
     font-weight: 600;
     letter-spacing: 1px;
     z-index: 9999;
     opacity: 0;
     transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
     display: flex;
     align-items: center;
     gap: 0.8rem;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
     cursor: auto;
 }

 .toast i {
     color: #4CAF50;
     font-size: 1.2rem;
 }

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

 body.light-mode .toast {
     background: rgba(255, 255, 255, 0.95);
     color: #111;
     border-color: #ddd;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
 }

 /* Footer */
 footer {
     text-align: center;
     padding: 4rem 5% 2rem;
     background: #000;
     border-top: 1px solid #111;
 }

 .footer-content {
     margin-bottom: 3rem;
 }

 .footer-logo {
     font-size: 2rem;
     color: var(--metallic-light);
     margin-bottom: 1rem;
 }

 .footer-socials {
     display: flex;
     justify-content: center;
     gap: 1.5rem;
     margin-top: 1.5rem;
 }

 .footer-socials a {
     color: var(--text-secondary);
     font-size: 1.3rem;
     transition: color 0.3s, transform 0.3s;
 }

 .footer-socials a:hover {
     color: #fff;
     transform: translateY(-3px);
 }

 .footer-content p {
     color: var(--text-secondary);
 }

 .footer-bottom {
     padding-top: 2rem;
     border-top: 1px solid #111;
     color: #444;
     font-size: 0.85rem;
     letter-spacing: 1px;
 }

 /* Reveal Animations */
 .reveal {
     opacity: 0;
     transform: translateY(50px);
     transition: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
 }

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

 /* Responsive Design */
 @media (max-width: 992px) {
     .contact-wrapper {
         grid-template-columns: 1fr;
     }

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

 /* ============================================
   RESPONSIVE — tek birleşik 768px bloğu
   ============================================ */
 @media (max-width: 768px) {

     .nav-links,
     .nav-btn,
     .nav-socials,
     .sound-toggle,
     .theme-toggle,
     .lang-toggle {
         display: none;
     }

     .hamburger {
         display: flex;
     }

     .metallic-text {
         letter-spacing: 4px;
     }

     .cursor-dot,
     .cursor-outline {
         display: none;
     }

     * {
         cursor: auto !important;
     }
 }

 .hamburger {
     display: none;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     gap: 5px;
     width: 40px;
     height: 40px;
     background: transparent;
     border: 1px solid #333;
     border-radius: 6px;
     cursor: pointer;
     padding: 8px;
     transition: border-color 0.3s;
     flex-shrink: 0;
     position: relative;
     z-index: 300;
 }

 .hamburger:hover {
     border-color: #666;
 }

 .hamburger span {
     display: block;
     width: 20px;
     height: 1.5px;
     background: var(--metallic-light);
     border-radius: 2px;
     transition: transform 0.35s ease, opacity 0.35s ease, width 0.35s ease;
     transform-origin: center;
 }

 /* X animasyonu — açık halde */
 .hamburger.open span:nth-child(1) {
     transform: translateY(6.5px) rotate(45deg);
 }

 .hamburger.open span:nth-child(2) {
     opacity: 0;
     width: 0;
 }

 .hamburger.open span:nth-child(3) {
     transform: translateY(-6.5px) rotate(-45deg);
 }

 /* Mobil nav overlay */
 .mobile-nav {
     display: none;
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(3, 3, 3, 0.97);
     backdrop-filter: blur(20px);
     -webkit-backdrop-filter: blur(20px);
     z-index: 200;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     gap: 2.5rem;
     opacity: 0;
     transition: opacity 0.35s ease;
 }

 .mobile-nav.open {
     display: flex;
     opacity: 1;
 }

 .mobile-nav a {
     color: var(--text-secondary);
     text-decoration: none;
     font-family: 'Playfair Display', serif;
     font-size: clamp(1.8rem, 6vw, 2.5rem);
     letter-spacing: 4px;
     transition: color 0.3s, transform 0.3s;
     transform: translateY(10px);
     opacity: 0;
     animation: mobileLinkIn 0.4s ease forwards;
 }

 .mobile-nav a:hover {
     color: #fff;
     transform: translateY(-2px);
 }

 /* Linklerin sırayla belirmesi */
 .mobile-nav a:nth-child(1) {
     animation-delay: 0.05s;
 }

 .mobile-nav a:nth-child(2) {
     animation-delay: 0.10s;
 }

 .mobile-nav a:nth-child(3) {
     animation-delay: 0.15s;
 }

 .mobile-nav a:nth-child(4) {
     animation-delay: 0.20s;
 }

 .mobile-nav a:nth-child(5) {
     animation-delay: 0.25s;
 }

 .mobile-nav a:nth-child(6) {
     animation-delay: 0.30s;
 }

 @keyframes mobileLinkIn {
     to {
         opacity: 1;
         transform: translateY(0);
     }
 }

 .mobile-nav-socials {
     display: flex;
     gap: 2rem;
     margin-top: 1rem;
     opacity: 0;
     animation: mobileLinkIn 0.4s ease 0.35s forwards;
 }

 .mobile-nav-socials a {
     font-size: 1.5rem !important;
     letter-spacing: 0 !important;
     animation: none !important;
     opacity: 1 !important;
     transform: none !important;
 }

 /* Mobil toolbar (tema + dil) */
 .mobile-nav-toolbar {
     display: flex;
     align-items: center;
     gap: 1.5rem;
     opacity: 0;
     animation: mobileLinkIn 0.4s ease 0.32s forwards;
 }

 .mobile-lang-toggle {
     display: flex;
     align-items: center;
     gap: 0.5rem;
     font-size: 0.95rem;
     font-weight: 600;
     color: var(--text-secondary);
     user-select: none;
 }

 .mobile-sound-btn,
 .mobile-theme-btn {
     background: transparent;
     border: 1px solid #444;
     border-radius: 50%;
     width: 36px;
     height: 36px;
     color: var(--text-secondary);
     font-size: 1rem;
     display: flex;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     transition: color 0.3s, border-color 0.3s;
 }

 .mobile-sound-btn:hover,
 .mobile-theme-btn:hover {
     color: #fff;
     border-color: #fff;
 }

 body.light-mode .sound-toggle:hover {
     color: #000;
 }

 body.light-mode .mobile-sound-btn,
 body.light-mode .mobile-theme-btn {
     border-color: #ccc;
     color: #555;
 }

 body.light-mode .mobile-lang-toggle {
     color: #555;
 }

 body.light-mode .mobile-nav {
     background: rgba(245, 245, 245, 0.97);
 }

 body.light-mode .mobile-nav a {
     color: #555;
 }

 body.light-mode .mobile-nav a:hover {
     color: #000;
 }

 body.light-mode .hamburger {
     border-color: #ccc;
 }

 body.light-mode .hamburger span {
     background: #333;
 }

 /* LIGHT MODE VARIABLES */
 body.light-mode {
     --bg-color: #f5f5f5;
     --text-primary: #1a1a1a;
     --text-secondary: #555555;
     --metallic-light: #333333;
     --metallic-silver: #666666;
     --metallic-dark: #e0e0e0;
     --accent-color: #888888;
 }

 body.light-mode .hero-bg-grid {
     background-image:
         linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
         linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
 }

 body.light-mode .metallic-text {
     background: linear-gradient(180deg, #111 0%, #444 40%, #777 100%);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     filter: drop-shadow(0px 4px 6px rgba(0, 0, 0, 0.2));
 }

 body.light-mode .quote-section {
     background: linear-gradient(to right, #e8e8e8, #f0f0f0, #e8e8e8);
     border-color: #d0d0d0;
     box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.05);
 }

 body.light-mode .quote-container {
     background: rgba(255, 255, 255, 0.8);
     border-color: #d0d0d0;
 }

 body.light-mode blockquote {
     color: #222;
     text-shadow: none;
 }

 body.light-mode .skills-section {
     background: #f8fafc;
 }

 /* Light Mode: Skills Grid Cards */
 body.light-mode .skill-group {
     background: #ffffff;
     border-color: rgba(0, 0, 0, 0.08);
     box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
 }

 body.light-mode .skill-group:hover {
     border-color: rgba(0, 0, 0, 0.18);
     box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
 }

 body.light-mode .skill-group::before {
     background: linear-gradient(135deg, rgba(0, 0, 0, 0.06), transparent 60%);
 }

 body.light-mode .skill-group-header {
     border-bottom-color: rgba(0, 0, 0, 0.07);
 }

 body.light-mode .skill-group-icon {
     background: #f1f5f9;
     border-color: #e2e8f0;
     color: #334155;
 }

 body.light-mode .skill-group h3 {
     color: #0f172a !important;
 }

 body.light-mode .skill-tag {
     background: #f8fafc;
     border-color: #e2e8f0;
     color: #334155;
 }

 body.light-mode .skill-tag:hover {
     background: #f1f5f9;
     border-color: #cbd5e1;
     color: #0f172a;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
 }

 body.light-mode .skill-tag .skill-icon {
     color: #64748b;
 }

 body.light-mode .skill-tag:hover .skill-icon {
     color: #0f172a;
 }

 body.light-mode .skill-name {
     color: #1e293b;
 }

 body.light-mode .skill-level {
     background: #ffffff;
     border-color: #cbd5e1;
     color: #64748b;
 }

 body.light-mode .skill-level--mid {
     background: #e0f2fe;
     border-color: #bae6fd;
     color: #0284c7;
 }

 body.light-mode .skill-level--adv {
     background: #dcfce7;
     border-color: #bbf7d0;
     color: #16a34a;
 }

 body.light-mode .skill-level--special {
     background: #fef3c7;
     border-color: #fde68a;
     color: #d97706;
 }

 body.light-mode .skill-level--trait {
     background: #ecfdf5;
     border-color: #a7f3d0;
     color: #059669;
 }

 /* Light Mode: Technology Matrix */
 body.light-mode .tech-matrix-title {
     color: #0f172a;
     text-shadow: none;
 }

 body.light-mode .tech-matrix-subtitle {
     color: #64748b;
 }

 body.light-mode .tech-filter-btn {
     background: #ffffff;
     border-color: #e2e8f0;
     color: #64748b;
 }

 body.light-mode .tech-filter-btn:hover {
     background: #f1f5f9;
     color: #0f172a;
     border-color: #cbd5e1;
 }

 body.light-mode .tech-filter-btn.active {
     background: #0f172a;
     color: #ffffff;
     border-color: #0f172a;
     box-shadow: 0 4px 14px rgba(15, 23, 42, 0.25);
 }

 body.light-mode .tech-matrix-card {
     background: #ffffff;
     border-color: rgba(0, 0, 0, 0.08);
     box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
 }

 body.light-mode .tech-matrix-card::before {
     background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08), transparent);
 }

 body.light-mode .tech-matrix-card:hover {
     background: #f8fafc;
     border-color: rgba(0, 0, 0, 0.18);
     box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
 }

 body.light-mode .tech-matrix-top {
     border-bottom-color: rgba(0, 0, 0, 0.07);
 }

 body.light-mode .tech-matrix-icon {
     background: #f1f5f9;
     border-color: #e2e8f0;
     color: #0f172a;
 }

 body.light-mode .tech-matrix-card:hover .tech-matrix-icon {
     border-color: rgba(0, 0, 0, 0.25);
     box-shadow: 0 0 12px rgba(0, 0, 0, 0.08);
 }

 body.light-mode .tech-matrix-name {
     color: #0f172a;
 }

 body.light-mode .tech-matrix-exp {
     color: #64748b;
 }

 body.light-mode .tech-matrix-exp i {
     color: #94a3b8;
 }

 body.light-mode .tech-matrix-desc {
     color: #334155;
 }

 body.light-mode .tech-matrix-projects {
     border-top-color: rgba(0, 0, 0, 0.08);
 }

 body.light-mode .tech-proj-label {
     color: #94a3b8;
 }

 body.light-mode .tech-proj-badge {
     background: #f1f5f9;
     border-color: #e2e8f0;
     color: #334155;
 }

 body.light-mode .tech-proj-badge:hover {
     background: #0f172a;
     color: #ffffff;
     border-color: #0f172a;
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
 }

body.light-mode .tech-badge--base {
    background: #f8fafc;
    color: #64748b;
    border-color: #e2e8f0;
}

body.light-mode .tech-badge--mid {
    background: #f1f5f9;
    color: #334155;
    border-color: #cbd5e1;
}

body.light-mode .tech-badge--adv {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

body.light-mode .tech-badge--special {
    background: #fefce8;
    color: #a16207;
    border-color: #fef08a;
}

 /* Light Mode: Section Titles & Other Core Components */
 body.light-mode .section-title,
 body.light-mode .timeline-title {
     color: #0f172a;
     text-shadow: none;
 }

 body.light-mode .card-security-note {
     background: #f8fafc;
     border-color: #e2e8f0;
     color: #64748b;
 }

 body.light-mode .card-security-note i {
     color: #d97706;
 }

 body.light-mode .project-type-tag {
     background: #f1f5f9;
     border-color: #e2e8f0;
     color: #475569;
 }

 body.light-mode .metallic-btn-small {
     background: #ffffff;
     border-color: #cbd5e1;
     color: #1e293b;
 }

 body.light-mode .metallic-btn-small:hover {
     background: #0f172a;
     color: #ffffff;
     border-color: #0f172a;
 }

 body.light-mode .card-github-link {
     color: #64748b;
 }

 body.light-mode .card-github-link:hover {
     color: #0f172a;
 }

 body.light-mode .projects-section {
     background: linear-gradient(to bottom, #f8fafc, #f1f5f9);
     border-color: #e2e8f0;
 }

 body.light-mode .metallic-card {
     background: #ffffff;
     border-color: #ddd;
     box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
 }

 body.light-mode .metallic-card:hover {
     background: #fafafa;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
 }

 body.light-mode .metallic-card h3 {
     color: #111;
 }

 body.light-mode .contact-section {
     background: #eaeaea;
     border-color: #ddd;
 }

 body.light-mode .contact-form {
     background: #fff;
     border-color: #ddd;
     box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
 }

 body.light-mode .form-group input,
 body.light-mode .form-group textarea {
     background: #f9f9f9;
     border-color: #ccc;
     color: #333;
 }

 body.light-mode .form-group input:focus,
 body.light-mode .form-group textarea:focus {
     background: #fff;
 }

 body.light-mode .submit-btn {
     background: #e0e0e0;
     color: #111;
     border-color: #ccc;
 }

 body.light-mode .submit-btn:hover {
     background: #d0d0d0;
 }

 body.light-mode footer {
     background: #e0e0e0;
     border-color: #ccc;
 }

 body.light-mode .footer-bottom {
     border-color: #ccc;
 }

 body.light-mode .timeline-content {
     background: rgba(255, 255, 255, 0.8);
     border-color: #ddd;
 }

 body.light-mode .timeline-content h4 {
     color: #111;
 }

 body.light-mode nav {
     background: rgba(245, 245, 245, 0.85);
     border-bottom-color: rgba(0, 0, 0, 0.1);
 }

 body.light-mode .logo {
     color: #111;
     text-shadow: none;
 }

 body.light-mode .nav-links a:hover {
     color: #000;
 }

 body.light-mode .lang-btn.active {
     color: #111;
 }

 body.light-mode .cursor-dot {
     background-color: #111;
 }

 body.light-mode .cursor-outline {
     border-color: rgba(0, 0, 0, 0.5);
 }

 body.light-mode .back-to-top {
     background: rgba(255, 255, 255, 0.8);
     color: #111;
     border-color: #ccc;
 }

 body.light-mode .back-to-top:hover {
     background: #111;
     color: #fff;
 }

 body.light-mode .theme-toggle:hover {
     color: #000;
 }

 body.light-mode .metallic-ring {
     background: conic-gradient(from 0deg, #ccc, #fff, #ccc, #fff, #ccc);
     box-shadow: 0 0 30px rgba(0, 0, 0, 0.1), inset 0 0 20px rgba(0, 0, 0, 0.1);
 }

 body.light-mode .timeline::before {
     background: linear-gradient(to bottom, #ccc, #eee);
 }

 body.light-mode .cv-download-btn {
     color: #333;
     border-color: #bbb;
 }

 body.light-mode .cv-download-btn:hover {
     background: #ddd;
     color: #000;
 }

 body.light-mode .card-tech-tags span {
     background: rgba(0, 0, 0, 0.05);
     border-color: #ccc;
     color: #555;
 }

 body.light-mode .nav-socials a {
     color: #666;
 }

 body.light-mode .nav-socials a:hover {
     color: #000;
 }

 body.light-mode .footer-socials a {
     color: #666;
 }

 body.light-mode .footer-socials a:hover {
     color: #000;
 }

 body.light-mode .faq-section {
     background: #eaeaea;
     border-top-color: #ddd;
 }

 body.light-mode .faq-item {
     border-bottom-color: #ddd;
 }

 body.light-mode .faq-question {
     color: #222;
 }

 body.light-mode .faq-answer p {
     color: #555;
     border-left-color: #ccc;
 }

 /* ==========================================================
   PROFESSIONAL ENHANCEMENTS: Case Studies, Architecture, Notes
   ========================================================== */

 .section-header {
     text-align: center;
     max-width: 800px;
     margin: 0 auto 3rem auto;
 }

 .section-tag {
     display: inline-block;
     font-size: 0.75rem;
     font-weight: 600;
     letter-spacing: 2.5px;
     color: #999;
     text-transform: uppercase;
     margin-bottom: 0.8rem;
     padding: 4px 12px;
     background: rgba(255, 255, 255, 0.04);
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-radius: 4px;
 }

 .section-subtitle {
     color: var(--text-secondary);
     font-size: 0.95rem;
     line-height: 1.6;
     margin-top: 0.8rem;
 }



 /* Contact Availability & Form Select */
 .availability-badge {
     display: inline-flex;
     align-items: center;
     gap: 10px;
     margin-top: 2rem;
     padding: 8px 14px;
     background: rgba(39, 201, 63, 0.08);
     border: 1px solid rgba(39, 201, 63, 0.25);
     border-radius: 20px;
     font-size: 0.78rem;
     color: #b5e4c0;
 }

 .status-indicator {
     width: 8px;
     height: 8px;
     border-radius: 50%;
     background: #27c93f;
     box-shadow: 0 0 8px #27c93f;
     animation: pulseStatus 2s infinite ease-in-out;
 }

 @keyframes pulseStatus {

     0%,
     100% {
         opacity: 1;
         transform: scale(1);
     }

     50% {
         opacity: 0.4;
         transform: scale(0.85);
     }
 }

 .form-select {
     width: 100%;
     padding: 12px 16px;
     background: rgba(255, 255, 255, 0.04);
     border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 6px;
     color: var(--text-primary);
     font-family: 'Inter', sans-serif;
     font-size: 0.88rem;
     outline: none;
     transition: border-color 0.3s ease;
     appearance: none;
     -webkit-appearance: none;
     background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23AAAAAA%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.4-12.8z%22%2F%3E%3C%2Fsvg%3E");
     background-repeat: no-repeat;
     background-position: right 14px center;
     background-size: 10px;
 }

 .form-select:focus {
     border-color: rgba(255, 255, 255, 0.4);
 }

 .form-select option {
     background: #111;
     color: #eee;
 }

 body.light-mode .form-select {
     background-color: #f9f9f9;
     border-color: #ccc;
     color: #333;
 }

 body.light-mode .form-select option {
     background: #fff;
     color: #111;
 }

 body.light-mode .availability-badge {
     background: rgba(39, 201, 63, 0.12);
     border-color: rgba(39, 201, 63, 0.4);
     color: #166534;
 }

 /* Card Button Group & Links */
 .card-btn-group {
     display: flex;
     gap: 8px;
     align-items: center;
 }

 .preview-btn {
     cursor: pointer;
     font-size: 0.74rem;
     padding: 0.45rem 0.9rem;
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid rgba(255, 255, 255, 0.15);
     color: #e0e0e0;
     border-radius: 20px;
     transition: all 0.25s ease;
     display: inline-flex;
     align-items: center;
     gap: 5px;
 }

 .preview-btn:hover {
     background: #fff;
     color: #000;
     border-color: #fff;
 }

 .card-github-link {
     color: var(--text-secondary);
     font-size: 1.15rem;
     text-decoration: none;
     transition: color 0.25s ease, transform 0.25s ease;
     display: flex;
     align-items: center;
 }

 .card-github-link:hover {
     color: #fff;
     transform: translateY(-2px);
 }

 /* ==========================================================
   Project Preview Modal Window
   ========================================================== */
 .project-modal {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     z-index: 10000;
     display: flex;
     align-items: center;
     justify-content: center;
     padding: 1.5rem;
     opacity: 0;
     visibility: hidden;
     overflow-y: auto;
     overscroll-behavior: contain;
     transition: opacity 0.3s ease, visibility 0.3s ease;
 }

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

 .modal-backdrop {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: rgba(0, 0, 0, 0.85);
     backdrop-filter: blur(8px);
     -webkit-backdrop-filter: blur(8px);
     z-index: 1;
 }

 .modal-content {
     position: relative;
     max-width: 640px;
     width: 100%;
     background: #0d0d0d;
     border: 1px solid rgba(255, 255, 255, 0.15);
     border-radius: 16px;
     padding: 2rem;
     z-index: 10;
     box-shadow: 0 25px 50px rgba(0, 0, 0, 0.9);
     max-height: 85vh;
     overflow-y: auto;
     transform: scale(0.95);
     transition: transform 0.3s ease;
     cursor: default;
 }

 /* Modal içerisindeki scrollbar */
 .modal-content::-webkit-scrollbar {
     width: 6px;
 }

 .modal-content::-webkit-scrollbar-track {
     background: rgba(255, 255, 255, 0.02);
     border-radius: 4px;
 }

 .modal-content::-webkit-scrollbar-thumb {
     background: rgba(255, 255, 255, 0.2);
     border-radius: 4px;
 }

 .modal-content::-webkit-scrollbar-thumb:hover {
     background: rgba(255, 255, 255, 0.4);
 }

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

 .modal-close {
     position: absolute;
     top: 1.2rem;
     right: 1.5rem;
     background: transparent;
     border: none;
     color: #888;
     font-size: 1.8rem;
     cursor: pointer !important;
     line-height: 1;
     z-index: 30;
     transition: color 0.2s ease;
 }

 .modal-close:hover {
     color: #fff;
 }

 .modal-header {
     display: flex;
     align-items: center;
     gap: 1.2rem;
     margin-bottom: 1.5rem;
     padding-right: 2rem;
 }

 .modal-icon {
     width: 50px;
     height: 50px;
     background: rgba(255, 255, 255, 0.05);
     border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.5rem;
     color: #fff;
 }

 .modal-header h3 {
     font-size: 1.4rem;
     color: #fff;
     margin-bottom: 0.2rem;
 }

 /* Modal Mockup Windows */
 .modal-mockup {
     background: #050505;
     border: 1px solid rgba(255, 255, 255, 0.08);
     border-radius: 10px;
     overflow: hidden;
     margin-bottom: 1.5rem;
     box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
 }

 .mockup-bar {
     background: #141414;
     padding: 8px 12px;
     display: flex;
     align-items: center;
     gap: 6px;
     border-bottom: 1px solid rgba(255, 255, 255, 0.05);
 }

 .mockup-bar .dot {
     width: 10px;
     height: 10px;
     border-radius: 50%;
 }

 .mockup-bar .dot.red {
     background: #ff5f56;
 }

 .mockup-bar .dot.yellow {
     background: #ffbd2e;
 }

 .mockup-bar .dot.green {
     background: #27c93f;
 }

 .mockup-title {
     font-size: 0.72rem;
     color: #777;
     margin-left: 8px;
     font-family: monospace;
 }

 .mockup-screen {
     padding: 1.2rem;
     font-family: 'Inter', sans-serif;
 }

 /* App-specific mini previews inside mockup */
 .preview-grid-app {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 10px;
 }

 .mini-stat-box {
     background: rgba(255, 255, 255, 0.03);
     border: 1px solid rgba(255, 255, 255, 0.06);
     padding: 10px;
     border-radius: 6px;
 }

 .mini-stat-label {
     font-size: 0.7rem;
     color: #888;
     text-transform: uppercase;
 }

 .mini-stat-val {
     font-size: 1.1rem;
     font-weight: 600;
     color: #fff;
     margin-top: 2px;
 }

 .mini-table {
     width: 100%;
     margin-top: 10px;
     border-collapse: collapse;
     font-size: 0.75rem;
     color: #bbb;
 }

 .mini-table th,
 .mini-table td {
     padding: 6px 8px;
     text-align: left;
     border-bottom: 1px solid rgba(255, 255, 255, 0.05);
 }

 .mini-table th {
     color: #777;
     font-weight: 500;
 }

 .modal-body h4 {
     font-size: 0.95rem;
     color: #fff;
     margin-bottom: 0.8rem;
     font-family: 'Inter', sans-serif;
     font-weight: 600;
 }

 .modal-features {
     list-style: none;
     display: flex;
     flex-direction: column;
     gap: 8px;
     margin-bottom: 1.5rem;
 }

 .modal-features li {
     font-size: 0.85rem;
     color: var(--text-secondary);
     display: flex;
     align-items: center;
     gap: 8px;
 }

 .modal-features li i {
     color: #27c93f;
     font-size: 0.8rem;
 }

 .modal-actions {
     display: flex;
     flex-wrap: wrap;
     gap: 12px;
     border-top: 1px solid rgba(255, 255, 255, 0.08);
     padding-top: 1.2rem;
     position: relative;
     z-index: 20;
 }

 .modal-actions a,
 .modal-actions button {
     cursor: pointer !important;
     position: relative;
     z-index: 25;
     pointer-events: auto !important;
     display: inline-flex;
     align-items: center;
     gap: 8px;
     text-decoration: none;
 }

 /* Modallar açıkken imleç ve buton tıklama kesinliği */
 .project-modal a,
 .project-modal button,
 .modal-close {
     cursor: pointer !important;
     pointer-events: auto !important;
 }

 /* Light mode for modal */
 body.light-mode .modal-content {
     background: #ffffff;
     border-color: #ddd;
     box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
 }

 body.light-mode .modal-header h3,
 body.light-mode .modal-body h4,
 body.light-mode .mini-stat-val {
     color: #111;
 }

 body.light-mode .modal-close {
     color: #555;
 }

 body.light-mode .modal-close:hover {
     color: #000;
 }

 body.light-mode .modal-icon {
     background: #f0f0f0;
     border-color: #ddd;
     color: #111;
 }

 body.light-mode .modal-mockup {
     background: #fcfcfc;
     border-color: #e5e5e5;
 }

 body.light-mode .mockup-bar {
     background: #efefef;
     border-bottom-color: #e0e0e0;
 }

 body.light-mode .mini-stat-box {
     background: #f7f7f7;
     border-color: #e8e8e8;
 }

 body.light-mode .mini-table th,
 body.light-mode .mini-table td {
     border-bottom-color: #eee;
     color: #444;
 }

 body.light-mode .preview-btn {
     background: #f5f5f5;
     border-color: #ddd;
     color: #222;
 }

 body.light-mode .preview-btn:hover {
     background: #111;
     color: #fff;
 }

 .hp-field {
     position: absolute !important;
     left: -9999px !important;
     top: auto !important;
     width: 1px !important;
     height: 1px !important;
     opacity: 0 !important;
     overflow: hidden !important;
     pointer-events: none !important;
 }

 /* E-posta butonu: varsayılan buton görünümünü sıfırla */
 .email-shield-btn {
     background: none !important;
     border: none !important;
     padding: 0 !important;
     margin: 0 !important;
     font: inherit;
     color: inherit;
     text-align: left;
     -webkit-appearance: none;
     appearance: none;
     box-shadow: none;
 }

 .email-shield-btn .email-text {
     color: var(--text-primary);
     font-size: 1.1rem;
     transition: color 0.3s;
 }

 .email-shield-btn:hover .email-text {
     color: var(--accent, #ffffff);
 }

 .email-shield-btn:focus-visible {
     outline: 1px dashed rgba(255, 255, 255, 0.4);
     outline-offset: 4px;
 }

 /* Masaüstünde özel imleç varken butonların üstünde de gizli kalsın,
   dokunmatik / küçük ekranda normal imleç görünsün */
 @media (max-width: 768px) {
     * {
         cursor: auto !important;
     }
 }
/* Contact Form Privacy & Security Note */
.form-privacy-note {
    margin-top: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-size: 0.74rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.4;
}

.form-privacy-note i {
    color: #27c93f;
    font-size: 0.78rem;
}

body.light-mode .form-privacy-note {
    color: #64748b;
}

body.light-mode .form-privacy-note i {
    color: #16a34a;
}

/* Soft Skills Bar Under Tech Matrix */
.soft-skills-bar {
    margin-top: 2.8rem;
    background: #080808;
    border: 1px solid #1f1f1f;
    border-radius: 14px;
    padding: 1.5rem 1.8rem;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.soft-skills-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(52, 211, 153, 0.3), transparent);
}

.soft-skills-bar:hover {
    border-color: #333333;
    background: #0d0d0d;
    transform: translateY(-3px);
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.7);
}

.soft-skills-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid #161616;
}

.soft-skills-icon {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    background: rgba(52, 211, 153, 0.08);
    border: 1px solid rgba(52, 211, 153, 0.25);
    color: #34d399;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.soft-skills-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.soft-skills-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.3px;
}

.soft-skills-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.soft-skills-pills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
}

.soft-skill-pill {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    background: #0c0c0c;
    border: 1px solid #1f1f1f;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    transition: all 0.25s ease;
}

.soft-skill-pill:hover {
    background: #141414;
    border-color: #333333;
    transform: translateY(-2px);
}

.soft-skill-pill i {
    color: #34d399;
    font-size: 0.95rem;
}

.soft-skill-pill .pill-name {
    font-size: 0.85rem;
    color: #ffffff;
    font-weight: 500;
    flex: 1;
}

.soft-skill-pill .pill-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    background: rgba(34, 197, 94, 0.1);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
    text-transform: uppercase;
}

body.light-mode .soft-skills-bar {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
}

body.light-mode .soft-skills-bar:hover {
    background: #f8fafc;
    border-color: rgba(0, 0, 0, 0.18);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

body.light-mode .soft-skills-header {
    border-bottom-color: rgba(0, 0, 0, 0.06);
}

body.light-mode .soft-skills-icon {
    background: #ecfdf5;
    border-color: #a7f3d0;
    color: #059669;
}

body.light-mode .soft-skills-title {
    color: #0f172a;
}

body.light-mode .soft-skills-sub {
    color: #64748b;
}

body.light-mode .soft-skill-pill {
    background: #f8fafc;
    border-color: #e2e8f0;
}

body.light-mode .soft-skill-pill:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

body.light-mode .soft-skill-pill i {
    color: #059669;
}

body.light-mode .soft-skill-pill .pill-name {
    color: #1e293b;
}

body.light-mode .soft-skill-pill .pill-badge {
    background: #dcfce7;
    color: #16a34a;
    border-color: #bbf7d0;
}

@media (max-width: 680px) {
    .soft-skills-bar {
        padding: 1.2rem;
        margin-top: 2rem;
    }
    .soft-skills-pills {
        grid-template-columns: 1fr;
    }
}

/* Deactivated Download Buttons */
.btn-disabled,
button.btn-disabled,
a.btn-disabled {
    opacity: 0.35 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    filter: grayscale(1) !important;
    background: #111111 !important;
    border-color: #222222 !important;
    color: #555555 !important;
    box-shadow: none !important;
}

body.light-mode .btn-disabled,
body.light-mode button.btn-disabled,
body.light-mode a.btn-disabled {
    background: #e5e5e5 !important;
    border-color: #cccccc !important;
    color: #999999 !important;
}