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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
}

/* Main Wrapper - Tüm içeriği içine alır */
.main-wrapper {
    display: flex;
    flex-direction: column;
}

/* Navigation Bar - Sabit, #011C40 renginde */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(
        135deg,
        rgba(1, 28, 64, 0.7) 0%,
        rgba(1, 42, 92, 0.7) 25%,
        rgba(1, 61, 122, 0.7) 50%,
        rgba(1, 42, 92, 0.7) 75%,
        rgba(1, 28, 64, 0.7) 100%
    );
    background-size: 400% 400%;
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 18px 0;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.4),
        0 2px 8px rgba(0, 0, 0, 0.2),
        0 0 40px rgba(38, 101, 140, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(100, 181, 246, 0.3);
    transition: all 0.3s ease;
    animation: navbarGradient 8s ease infinite, navbarGlow 3s ease-in-out infinite alternate;
    position: relative;
    overflow: visible;
}

.navbar-video-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    transform: scaleY(-1);
}

.navbar-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: bottom;
    filter: blur(5px);
    z-index: 0;
    opacity: 0.96;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(100, 181, 246, 0.2),
        rgba(66, 165, 245, 0.3),
        rgba(100, 181, 246, 0.2),
        transparent
    );
    animation: navbarShimmer 4s ease-in-out infinite;
    z-index: 0;
}

.navbar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(17 22 60 / 72%);
    pointer-events: none;
    z-index: 0;
}

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

@keyframes navbarGlow {
    0% {
        box-shadow: 
            0 4px 20px rgba(0, 0, 0, 0.4),
            0 2px 8px rgba(0, 0, 0, 0.2),
            0 0 40px rgba(38, 101, 140, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }
    100% {
        box-shadow: 
            0 4px 20px rgba(0, 0, 0, 0.4),
            0 2px 8px rgba(0, 0, 0, 0.2),
            0 0 60px rgba(38, 101, 140, 0.5),
            inset 0 1px 0 rgba(255, 255, 255, 0.15);
    }
}

@keyframes navbarShimmer {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.navbar-toggle {
    display: none;
    width: 32px;
    height: 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 2;
}

.navbar-toggle-bar {
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    border-radius: 999px;
    background: #ffffff;
    transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease, bottom 0.3s ease;
}

.navbar-toggle-bar:nth-child(1) {
    top: 0;
}

.navbar-toggle-bar:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.navbar-toggle-bar:nth-child(3) {
    bottom: 0;
}

.logo a {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.logo a:hover {
    transform: translateY(-2px);
}

.logo-img {
    height: 55px;
    width: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.logo-img:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 4px 12px rgba(100, 181, 246, 0.4));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.nav-menu li {
    position: relative;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
}

.nav-menu li a i {
    font-size: 16px;
    transition: transform 0.3s ease;
    color: white;
}

.nav-menu li a:hover i {
    transform: scale(1.2);
}

/* Parlaklık efekti - Arka planda ton sur ton gradient animasyonu */
.nav-menu li a {
    color: white;
    /*background: linear-gradient(to right, rgba(1, 28, 64, 0.8), rgba(38, 101, 140, 0.9), rgba(45, 123, 168, 1), rgba(38, 101, 140, 0.9), rgba(1, 28, 64, 0.8));*/
    background-size: 400% 400%;
    /*animation: Gradient 15s ease infinite;*/
    position: relative;
    z-index: 1;
}

/* Alt çizgi efekti */
.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(100, 181, 246, 1), transparent);
    transform: translateX(-50%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.nav-menu li a:hover::after {
    width: 80%;
}

.nav-menu li a:hover {
    color: white;
    text-shadow: 0 0 15px rgba(100, 181, 246, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(100, 181, 246, 0.3);
}

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

.nav-menu li a:active {
    transform: translateY(-1px);
    transition: transform 0.1s ease;
}

/* Hero Section - Navigation bar'ın altında */
.hero-section {
    position: relative;
    width: 100%;
    /*margin-top: 80px;*/
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100vw;
    min-height: fit-content;
}

/* Video Container - Video ve karartıyı içine alır */
.video-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    z-index: 1;
    display: block;
}

.hero-video {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
    object-position: center;
}

/* Video Overlay - Karartı, video ile tam aynı boyutta */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #011C40;
    opacity: 0.6;
    z-index: 2;
    pointer-events: none;
}

/* Hero Content - İsim ve buton */
.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    text-align: center;
    color: white;
    padding: 0 20px;
    width: 100%;
    pointer-events: none;
}

.hero-content * {
    pointer-events: auto;
}

.typing-text {
    font-family: 'Dancing Script', 'Great Vibes', 'Satisfy', cursive;
    font-size: 5rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    min-height: 80px;
    letter-spacing: 2px;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
    color: white;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.95;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7),
                 0 0 18px rgba(100, 181, 246, 0.7),
                 0 0 36px rgba(100, 181, 246, 0.45);
    animation: fadeInUp 1s ease 0.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.95;
        transform: translateY(0);
    }
}

/* Glow Button - Video üzerindeki buton, YouTube butonu ile TAM AYNI efektler */
.glow-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 35px;
    background: linear-gradient(to right, rgba(1, 28, 64, 0.8), rgba(1, 28, 64, 0.9), rgba(1, 28, 64, 1), rgba(1, 28, 64, 0.9), rgba(1, 28, 64, 0.8));
    background-size: 400% 400%;
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    box-shadow: 0 4px 15px rgba(1, 28, 64, 0.4),
                0 0 20px rgba(1, 28, 64, 0.2);
    animation: Gradient 15s ease infinite, fadeInUp 1s ease 1s both, pulseGlowNavbar 2s ease-in-out infinite;
    transform: translateY(0) scale(1);
}

.glow-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
}

.glow-button:hover::before {
    left: 100%;
}

.glow-button span {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
    display: inline-block;
}

.glow-button:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 35px rgba(1, 28, 64, 0.7),
                0 0 40px rgba(1, 28, 64, 0.4);
}

.glow-button:hover span {
    transform: scale(1.1);
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(38, 101, 140, 0.4),
                    0 0 20px rgba(38, 101, 140, 0.2);
    }
    50% {
        box-shadow: 0 4px 20px rgba(38, 101, 140, 0.6),
                    0 0 30px rgba(38, 101, 140, 0.3);
    }
}

@keyframes pulseGlowNavbar {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(1, 28, 64, 0.4),
                    0 0 20px rgba(1, 28, 64, 0.2);
    }
    50% {
        box-shadow: 0 4px 20px rgba(1, 28, 64, 0.6),
                    0 0 30px rgba(1, 28, 64, 0.3);
    }
}

@keyframes shine {
    0% {
        left: -100%;
        top: -100%;
    }
    100% {
        left: 100%;
        top: 100%;
    }
}

/* About, YouTube and Contact Sections */
.about-section {
    min-height: 500px;
    padding: 50px 20px;
    background-color: #ffffff;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('arkaplan2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(3px);
    /*opacity: 0.15;*/
    z-index: 0;
}

.youtube-section,
.contact-section {
    min-height: 100vh;
    padding: 100px 20px;
    background-color: #f5f5f5;
}

.documents-section {
    min-height: 100vh;
    padding: 100px 20px;
    background-image: url(arkaplan2.jpg);
    background-size: 100% auto;
    background-position: center top;
    background-repeat: no-repeat;
    position: relative;
}

.documents-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    pointer-events: none;
}

.youtube-section {
    background: #0a0e27;
    color: white;
    padding: 100px 20px;
    position: relative;
    overflow: visible;
}

.youtube-section-reveal {
    position: relative;
    width: 100%;
}

.youtube-quote-box {
    position: absolute;
    top: 20px;
    right: 30px;
    left: auto;
    transform: none;
    background: transparent;
    border: 2px solid #ffffff;
    border-radius: 8px;
    padding: 15px 25px;
    font-size: 1.1rem;
    font-weight: 500;
    color: #ffffff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 
                0 0 40px rgba(255, 255, 255, 0.5);
    z-index: 10;
    animation: quoteGlow 2s ease-in-out infinite alternate;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@keyframes quoteGlow {
    0% {
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 
                    0 0 40px rgba(255, 255, 255, 0.5);
        border-color: rgba(255, 255, 255, 0.9);
    }
    100% {
        box-shadow: 0 0 30px rgba(255, 255, 255, 1), 
                    0 0 60px rgba(255, 255, 255, 0.7);
        border-color: rgba(255, 255, 255, 1);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #011C40;
    text-align: center;
    opacity: 0;
    transform: translateY(-30px);
    animation: slideInDown 0.8s ease-out 0.1s forwards;
}

/* Dökümanlar Section */
.documents-section .container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.documents-title {
    font-size: 2rem;
    font-weight: 700;
    color: #011C40;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
}

.documents-line {
    width: 80px;
    height: 3px;
    background: #64b5f6;
    margin: 0 auto 48px;
    border-radius: 2px;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 1fr;
    gap: 56px;
    align-items: stretch;
}

.document-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 0 16px 0 16px;
    padding: 32px;
    min-height: 220px;
    text-decoration: none;
    color: inherit;
    text-align: left;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.35s ease,
                filter 0.35s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: visible;
    cursor: pointer;
    transform-origin: center center;
}

/* Sol üst köşe çizgileri – kutucuktan biraz uzakta */
.document-card::before {
    content: '';
    position: absolute;
    top: -14px;
    left: -14px;
    width: 50px;
    height: 50px;
    border-top: 3px solid #64b5f6;
    border-left: 3px solid #64b5f6;
    z-index: 2;
    transition: all 0.5s ease;
    pointer-events: none;
}

/* Sağ alt köşe çizgileri – kutucuktan biraz uzakta */
.document-card::after {
    content: '';
    position: absolute;
    bottom: -14px;
    right: -14px;
    width: 50px;
    height: 50px;
    border-bottom: 3px solid #64b5f6;
    border-right: 3px solid #64b5f6;
    z-index: 2;
    transition: all 0.5s ease;
    pointer-events: none;
}

.document-card:hover,
.document-card.scroll-reveal-in:hover {
    transform: scale(1.08);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.2),
                0 0 0 2px rgba(100, 181, 246, 0.3);
    filter: brightness(1.06) contrast(1.03);
}

.document-card:hover::before {
    top: -18px;
    left: -18px;
    width: 70px;
    height: 70px;
    border-color: #26658C;
}

.document-card:hover::after {
    bottom: -18px;
    right: -18px;
    width: 70px;
    height: 70px;
    border-color: #26658C;
}

/* Genetik Algoritma kutucuklarında köşe çizgileri yok */
.document-card-no-lines::before,
.document-card-no-lines::after {
    display: none !important;
}

.document-card:hover .document-card-icon {
    transform: scale(1.15);
    color: #26658C;
}

.document-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: #64b5f6;
    font-size: 1.75rem;
    transition: transform 0.4s ease,
                color 0.3s ease;
}

.document-card-icon,
.document-card-title,
.document-card-desc {
    position: relative;
    z-index: 1;
}

.document-card-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 12px;
    line-height: 1.35;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.document-card-desc {
    font-size: 0.98rem;
    color: #718096;
    line-height: 1.65;
    margin: 0;
    flex: 1;
}

.youtube-main-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(-30px);
    animation: slideInDown 0.8s ease-out 0.1s forwards;
}

.youtube-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.8s ease-out 0.3s forwards;
}

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

.about-section p,
.contact-section p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #333;
}

/* About Preview Section */
.about-preview {
    display: flex;
    gap: 80px;
    align-items: center;
    margin-top: 0;
    flex-direction: row;
}

.about-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* About Header */
.about-header {
    /*margin-bottom: 30px;*/
}

.about-title-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.about-line {
    display: block;
    width: 60px;
    height: 2px;
    background: #011C40;
}

.about-title {
    font-size: 1.4rem;
    font-weight: 400;
    color: #011C40;
    margin: 0;
    letter-spacing: 1px;
    text-transform: none;
}

.about-main-question {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.about-name {
    font-style: italic;
    font-weight: 300;
    color: #011C40;
}

.about-question {
    color: white;
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 0, 0, 0.3);
}

.about-description {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
    text-align: justify;
}

/* About Buttons */
.about-buttons {
    display: flex;
    gap: 20px;
    margin-top: 35px;
}

.btn-download-cv {
    display: inline-block;
    padding: 10px 30px;
    background: #011C40;
    color: white;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(1, 28, 64, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-download-cv::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-download-cv:hover::before {
    left: 100%;
}

.btn-download-cv:hover {
    background: #012a5c;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(1, 28, 64, 0.5), 0 0 30px rgba(1, 28, 64, 0.4);
    filter: brightness(1.2);
}

.btn-more {
    display: inline-block;
    padding: 10px 30px;
    background: transparent;
    color: #011C40;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    border: 2px solid #011C40;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(1, 28, 64, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-more:hover::before {
    left: 100%;
}

.btn-more:hover {
    background: #011C40;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(1, 28, 64, 0.5), 0 0 30px rgba(1, 28, 64, 0.4);
    filter: brightness(1.2);
}

.about-image {
    flex: 0 0 450px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 20px;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    border-top: 4px solid #011C40;
    border-left: 4px solid #011C40;
    z-index: 3;
    transition: all 0.5s ease;
    pointer-events: none;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60px;
    height: 60px;
    border-bottom: 4px solid #011C40;
    border-right: 4px solid #011C40;
    z-index: 3;
    transition: all 0.5s ease;
    pointer-events: none;
}

.about-image:hover::before {
    width: 80px;
    height: 80px;
    border-color: #012a5c;
}

.about-image:hover::after {
    width: 80px;
    height: 80px;
    border-color: #012a5c;
}

.profile-img-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: scale(0.95);
    animation: fadeInScale 0.8s ease-out 0.5s forwards;
}

.profile-img {
    width: 450px;
    height: 450px;
    max-width: 100%;
    max-height: 100%;
    border-radius: 0 20px 0 20px;
    object-fit: cover;
    box-shadow: none;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.4s ease,
                filter 0.4s ease;
    position: relative;
    z-index: 2;
    filter: brightness(1.05) contrast(1.05);
}

.profile-img:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px rgb(1 28 64 / 51%), 0 15px 35px rgba(0, 0, 0, 0.3);
    filter: brightness(1.1) contrast(1.1);
}

@keyframes fadeInScale {
    to {
        opacity: 1;
        transform: scale(1);
    }
}


@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Scroll reveal – ekrana gelince giriş efektleri */
.scroll-reveal {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal[data-reveal="left"] {
    transform: translateX(-50px);
}

.scroll-reveal[data-reveal="right"] {
    transform: translateX(50px);
}

.scroll-reveal[data-reveal="up"] {
    transform: translateY(40px);
}

.scroll-reveal[data-reveal="down"] {
    transform: translateY(-40px);
}

.scroll-reveal.scroll-reveal-in {
    opacity: 1;
    transform: translate(0);
}

/* YouTube Section */
.youtube-profiles {
    display: flex;
    gap: 40px;
    margin: 60px 0;
    justify-content: center;
    flex-wrap: wrap;
    align-items: stretch;
}

.profile-card {
    flex: 0 0 calc(33.333% - 30px);
    max-width: 350px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    padding-top: 100px;
    display: flex;
    flex-direction: column;
}

.profile-card:nth-child(1) {
    animation: slideInUp 0.8s ease-out 0.5s forwards;
}

.profile-card:nth-child(2) {
    animation: slideInUp 0.8s ease-out 0.7s forwards;
}

.profile-card:nth-child(3) {
    animation: slideInUp 0.8s ease-out 0.9s forwards;
}

.profile-image-wrapper {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 200px;
    z-index: 2;
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    filter: brightness(1.1) contrast(1.05);
    box-shadow: 0 0 30px rgba(100, 181, 246, 0.3);
}

/* Birinci ve üçüncü kart için: sol üst ve sağ üst çizgiler */
.profile-card:nth-child(1) .profile-content::before,
.profile-card:nth-child(3) .profile-content::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    width: 50px;
    height: 50px;
    border-top: 3px solid #64b5f6;
    border-left: 3px solid #64b5f6;
    border-right: none;
    border-bottom: none;
    background: none !important;
    background-color: transparent !important;
    z-index: 4;
    transition: all 0.5s ease;
    filter: brightness(1.2);
    pointer-events: none;
}

.profile-card:nth-child(1) .profile-content::after,
.profile-card:nth-child(3) .profile-content::after {
    content: '';
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    border-top: 3px solid #64b5f6;
    border-right: 3px solid #64b5f6;
    border-left: none;
    border-bottom: none;
    background: none !important;
    background-color: transparent !important;
    z-index: 4;
    transition: all 0.5s ease;
    filter: brightness(1.2);
    pointer-events: none;
}

/* İkinci kart için: sol alt ve sağ alt çizgiler */
.profile-card:nth-child(2) .profile-content::before {
    content: '';
    position: absolute;
    bottom: -15px;
    left: -15px;
    width: 50px;
    height: 50px;
    border-bottom: 3px solid #64b5f6;
    border-left: 3px solid #64b5f6;
    border-top: none;
    border-right: none;
    background: none !important;
    background-color: transparent !important;
    z-index: 4;
    transition: all 0.5s ease;
    filter: brightness(1.2);
    pointer-events: none;
}

.profile-card:nth-child(2) .profile-content::after {
    content: '';
    position: absolute;
    bottom: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    border-bottom: 3px solid #64b5f6;
    border-right: 3px solid #64b5f6;
    border-top: none;
    border-left: none;
    background: none !important;
    background-color: transparent !important;
    z-index: 4;
    transition: all 0.5s ease;
    filter: brightness(1.2);
    pointer-events: none;
}

/* Hover efektleri - çizgiler uzasın */
.profile-card:hover .profile-content::before,
.profile-card:hover .profile-content::after {
    width: 70px;
    height: 70px;
    border-color: rgba(100, 181, 246, 0.9);
    filter: brightness(1.5);
}

.profile-content {
    background: rgba(20, 25, 45, 0.8);
    border-radius: 15px;
    padding: 25px;
    padding-top: 120px;
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    z-index: 1;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 181, 246, 0.2);
    margin-top: 0;
    transition: all 0.3s ease;
}

/* Birinci ve üçüncü kart için: sol üst ve sağ üst köşeler keskin */
.profile-card:nth-child(1) .profile-content,
.profile-card:nth-child(3) .profile-content {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* İkinci kart için: sol alt ve sağ alt köşeler keskin */
.profile-card:nth-child(2) .profile-content {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

/* Kart hover efekti */
.profile-card:hover .profile-content {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 10px 40px rgba(100, 181, 246, 0.4),
                0 0 30px rgba(100, 181, 246, 0.3);
    border-color: rgba(100, 181, 246, 0.6);
    background: rgba(20, 25, 45, 0.95);
}

.profile-card:hover .profile-image {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(100, 181, 246, 0.5);
}

.profile-card:hover .profile-image-wrapper {
    transform: translateX(-50%) scale(1.05);
}

.profile-card {
    transition: all 0.3s ease;
}

.profile-image {
    transition: all 0.3s ease;
}

.profile-image-wrapper {
    transition: all 0.3s ease;
}

.profile-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
    text-align: left;
}

.profile-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    text-align: left;
}

.youtube-cta {
    text-align: center;
    margin-top: 50px;
    opacity: 0;
    transform: translateY(20px);
    animation: slideInUp 0.8s ease-out 1.1s forwards;
}

.youtube-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 35px;
    background: linear-gradient(to right, rgba(255, 0, 0, 0.8), rgba(255, 0, 0, 0.9), rgba(255, 0, 0, 1), rgba(255, 0, 0, 0.9), rgba(255, 0, 0, 0.8));
    background-size: 400% 400%;
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4),
                0 0 20px rgba(255, 0, 0, 0.2);
    animation: Gradient 15s ease infinite, pulseGlowRed 2s ease-in-out infinite;
}

.youtube-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.6s ease;
    z-index: 1;
}

.youtube-btn:hover::before {
    left: 100%;
}

.youtube-btn i {
    font-size: 1.5rem;
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.youtube-btn span {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.youtube-btn:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 35px rgba(255, 0, 0, 0.7),
                0 0 40px rgba(255, 0, 0, 0.4);
}

.youtube-btn:hover i,
.youtube-btn:hover span {
    transform: scale(1.1);
}

@keyframes pulseGlowRed {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4),
                    0 0 20px rgba(255, 0, 0, 0.2);
    }
    50% {
        box-shadow: 0 4px 20px rgba(255, 0, 0, 0.6),
                    0 0 30px rgba(255, 0, 0, 0.3);
    }
}

.youtube-placeholder {
    flex: 0 0 450px;
    height: 300px;
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.3);
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.8s ease-out 0.5s forwards;
}

.youtube-placeholder i {
    font-size: 5rem;
    margin-bottom: 20px;
}

.youtube-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* About Detail Page */
.about-detail-section {
    min-height: 100vh;
    padding: 120px 20px 100px;
    background-color: #f5f5f5;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 50px;
    color: #011C40;
    text-align: center;
}

/* Business Card */
.business-card {
    background: linear-gradient(135deg, #011C40 0%, #012a5c 100%);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    color: white;
}

.card-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: white;
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    color: white;
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.card-info p {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.card-info i {
    font-size: 1.2rem;
    width: 25px;
}

.card-info a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.card-info a:hover {
    color: rgba(100, 181, 246, 0.9);
}

/* Detail Sections */
.detail-section {
    background: white;
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.detail-section h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: #011C40;
    border-bottom: 3px solid #26658C;
    padding-bottom: 10px;
}

.detail-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
    text-align: justify;
}

/* Experience and Education Items */
.experience-item,
.education-item {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e0e0e0;
}

.experience-item:last-child,
.education-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.experience-item h3,
.education-item h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: #011C40;
}

.date {
    font-size: 1rem;
    color: #26658C;
    font-weight: 600;
    margin-bottom: 10px;
}

.experience-item p,
.education-item p {
    font-size: 1rem;
    color: #666;
    margin: 0;
}

.coming-soon {
    font-style: italic;
    color: #999;
    text-align: center;
    padding: 20px;
}

/* About Detail - Card Layout (Hakkımda sayfası) */
.about-cards-layout {
    background: linear-gradient(160deg, #f0f8ff 0%, #e8f4fc 50%, #eef6fc 100%);
    padding: 100px 24px 60px;
}

.about-cards-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: minmax(400px, auto) auto auto;
    gap: 24px;
    align-items: stretch;
}

.about-card {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 28px 24px;
    box-shadow: 4px 6px 20px rgba(0, 0, 0, 0.08),
                0 12px 40px rgba(0, 0, 0, 0.06),
                0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.35s ease,
                filter 0.35s ease;
}

@keyframes about-card-shine {
    0% { left: -100%; }
    50% { left: 150%; }
    100% { left: -100%; }
}

.about-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 8px 14px 32px rgba(0, 0, 0, 0.12),
                0 20px 50px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(255, 255, 255, 0.8),
                0 0 40px rgba(100, 181, 246, 0.15);
    filter: brightness(1.02);
}

.about-profile-card {
    position: relative;
    overflow: hidden;
    grid-column: 1;
    grid-row: 1;
    background: #0a0e27;
    color: #fff;
    border: none;
    box-shadow: 6px 8px 24px rgba(0, 0, 0, 0.25),
                0 16px 48px rgba(0, 0, 0, 0.2);
}

.about-profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.12) 50%,
        transparent 100%
    );
    animation: about-card-shine 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

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

.about-profile-card:hover {
    box-shadow: 10px 14px 36px rgba(0, 0, 0, 0.35),
                0 24px 56px rgba(0, 0, 0, 0.25),
                0 0 0 1px rgba(255, 255, 255, 0.1),
                0 0 50px rgba(100, 181, 246, 0.2);
}

.profile-photo-wrap {
    width: 160px;
    height: 160px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.about-profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-profile-name {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.3;
    text-transform: uppercase;
    transition: text-shadow 0.35s ease;
}

.about-profile-card:hover .about-profile-name {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.9),
                 0 0 40px rgba(255, 255, 255, 0.5);
}

.about-profile-bio {
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    text-align: left;
}

.about-profile-bio p {
    margin: 0 0 1em 0;
}

.about-profile-bio p:last-child {
    margin-bottom: 0;
}

.about-contact {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px 14px;
    margin-bottom: 20px;
    text-align: center;
}

.about-contact-sep {
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    user-select: none;
}

.about-contact a {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.25s ease, text-shadow 0.25s ease;
}

.about-contact a:hover {
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 1.0),
                 0 0 24px rgba(100, 181, 246, 0.6);
}

.about-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.about-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    transition: color 0.2s ease, transform 0.2s ease;
}

.about-social a:hover {
    color: #fff;
    transform: scale(1.1);
}

.about-social i {
    font-size: 1.2rem;
}

.about-social a.social-x {
    color: #fff;
}

.about-social .x-logo {
    display: inline-block;
    font-size: 1.15rem;
    font-weight: 800;
    font-family: system-ui, -apple-system, sans-serif;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1;
}

.about-social a.social-x:hover .x-logo {
    color: #fff;
}

.about-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #2d3748;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(1, 28, 64, 0.15);
    transition: text-shadow 0.35s ease;
}

.about-card:hover .about-card-title {
    text-shadow: 0 0 18px rgb(146 161 246), 0 0 36px rgba(45, 55, 72, 0.5);
}

.about-timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-timeline-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 24px;
    align-items: start;
}

/* Sol sütun: Görev + Zamanlar */
.about-exp-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 140px;
}

.about-exp-role {
    font-size: 1rem;
    font-weight: 700;
    color: #1a202c;
    line-height: 1.3;
}

.about-exp-date {
    font-size: 0.85rem;
    font-weight: 400;
    color: #4a5568;
}

/* Sağ sütun: Yer + Detaylar */
.about-exp-right {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.about-exp-place {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1a202c;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.about-exp-details {
    font-size: 0.88rem;
    color: #718096;
    line-height: 1.6;
}

.about-hobbies-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #4a5568;
}

.about-hobbies-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5em;
}

.about-hobbies-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #011C40;
    font-weight: 700;
}

.about-hobbies-list li:last-child {
    margin-bottom: 0;
}

.about-publications-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-publications-links a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #011C40;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.about-publications-links a:hover {
    color: #26658C;
}

.about-publications-links i {
    font-size: 1rem;
    opacity: 0.85;
}

.about-experience-card {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-education-card {
    grid-column: 2;
    grid-row: 2 / 4;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-hobbies-card {
    grid-column: 1;
    grid-row: 2;
}

.about-publications-card {
    grid-column: 1;
    grid-row: 3;
}

/* Responsive - About cards */
@media (max-width: 900px) {
    .about-cards-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .about-profile-card,
    .about-experience-card,
    .about-education-card,
    .about-hobbies-card,
    .about-publications-card {
        grid-column: 1;
        grid-row: auto;
    }
    
    .about-timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .about-exp-left {
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .about-cards-layout {
        padding: 20px 16px 40px;

    }
    
    .about-card {
        padding: 20px 18px;
    }
    
    .profile-photo-wrap {
        width: 130px;
        height: 130px;
    }
    
    .about-profile-name {
        font-size: 1.15rem;
    }
    
    .about-profile-bio {
        font-size: 0.85rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 0;
    }
    
    .nav-container {
        padding: 0 25px;
    }
    
    /* Mobilde navbar parıltısı taşma yapmasın */
    .navbar::before {
        left: 0;
        width: 100%;
        animation: none;
    }
    
    .navbar-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-end;
        margin-left: auto;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        right: 25px;
        background: rgba(10, 14, 39, 0.96);
        border-radius: 12px;
        padding: 14px 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        display: none;
    }
    
    body.nav-open .nav-menu {
        display: flex;
    }
    
    body.nav-open .navbar-toggle-bar:nth-child(1) {
        top: 50%;
        transform: translateY(-50%) rotate(45deg);
    }
    
    body.nav-open .navbar-toggle-bar:nth-child(2) {
        opacity: 0;
    }
    
    body.nav-open .navbar-toggle-bar:nth-child(3) {
        bottom: auto;
        top: 50%;
        transform: translateY(-50%) rotate(-45deg);
    }
    
    .hero-section {
        margin-top: 0px!important;
        height: auto;
    }
    
    .typing-text {
        font-size: 3rem;
        margin-bottom: 0px;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .subtitle {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
    
    .nav-menu {
        gap: 5px;
    }
    
    .nav-menu li a {
        font-size: 16px;
        padding: 8px 15px;
    }
    
    .hero-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .about-title {
        font-size: 0.9rem;
    }
    
    .about-main-question {
        font-size: 2.5rem;
    }
    
    .about-description {
        font-size: 0.9rem;
    }
    
    .about-preview {
        flex-direction: column;
        gap: 50px;
    }
    
    .about-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-download-cv,
    .btn-more {
        width: 100%;
        text-align: center;
    }
    
    .about-image {
        flex: 0 0 auto;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .profile-img {
        width: 100%;
        max-width: 400px;
        height: 400px;
    }
    
    .youtube-main-title {
        font-size: 2rem;
    }
    
    .youtube-description {
        font-size: 1rem;
        margin-bottom: 40px;
    }
    
    .youtube-profiles {
        flex-direction: column;
        align-items: center;
        gap: 50px;
        margin: 40px 0;
    }
    
    .documents-title {
        font-size: 1.5rem;
        letter-spacing: 0.08em;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .document-card {
        padding: 26px;
        max-width: 70%;
        max-height: 250px;
        margin-bottom: 30px;
    }
    
    .profile-card {
        flex: 0 0 100%;
        max-width: 80%;
    }
    
    .profile-image-wrapper {
        width: 180px;
        height: 180px;
    }
    
    .business-card {
        padding: 30px 20px;
    }
    
    .card-content h2 {
        font-size: 2rem;
    }
    
    .detail-section {
        padding: 25px 20px;
    }

    .documents-section {
        padding: 20px 20px;
    }

}

@media (max-width: 480px) {
    .navbar {
        padding: 12px 0;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .hero-section {
        /*height: calc(100vh - 60px);*/
        margin-top: 60px;
    }
    
    .typing-text {
        font-size: 2.5rem;
        min-height: 60px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .nav-menu {
        gap: 3px;
    }
    
    .nav-menu li a {
        font-size: 14px;
        padding: 6px 12px;
    }
    
    .glow-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .hero-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .about-title {
        font-size: 0.85rem;
    }
    
    .about-main-question {
        font-size: 2rem;
    }
    
    .about-description {
        font-size: 0.85rem;
    }
    
    .about-preview {
        gap: 30px;
    }
    
    .about-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-download-cv,
    .btn-more {
        padding: 12px 30px;
        font-size: 0.9rem;
    }
    
    .about-image {
        max-width: 100%;
    }
    
    .profile-img {
        width: 100%;
        max-width: 100%;
        height: auto;
        aspect-ratio: 1/1;
    }
    
    .youtube-main-title {
        font-size: 1.8rem;
    }
    
    .youtube-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }
    
    .youtube-profiles {
        gap: 40px;
        margin: 30px 0;
    }
    
    .profile-image-wrapper {
        width: 150px;
        height: 150px;
    }
    
    .profile-content {
        padding: 20px;
        min-height: 0px;
        padding-top: 60px;
    }
    
    .profile-title {
        font-size: 1.2rem;
    }
    
    .profile-text {
        font-size: 0.9rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .business-card {
        padding: 25px 15px;
    }
    
    .card-content h2 {
        font-size: 1.8rem;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .card-info p {
        font-size: 0.95rem;
    }
    
    .business-card {
        padding: 25px 15px;
    }
    
    .card-content h2 {
        font-size: 1.8rem;
    }
    
    .detail-section {
        padding: 20px 15px;
    }
    
    .detail-section h2 {
        font-size: 1.5rem;
    }
    
    .experience-item h3,
    .education-item h3 {
        font-size: 1.2rem;
    }
    
    .youtube-quote-box {
        top: 15px;
        left: 50%;
        transform: translateX(-50%);
        padding: 8px 12px;
        font-size: 0.9rem;
        max-width: 90%;
        text-align: center;
    }
}

/* ========== Projeler & Kurumsal Katkılar Sayfası ========== */
.projects-section {
    background: linear-gradient(160deg, #f0f8ff 0%, #e8f4fc 50%, #eef6fc 100%);
    padding: 100px 24px 80px;
    min-height: 100vh;
}

.projects-container {
    max-width: 900px;
    margin: 0 auto;
}

/* En alttaki kart: yatayda diğerlerinden daha geniş */
.projects-container--wide {
    max-width: 1100px;
}

.projects-page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #0a0e27;
    letter-spacing: 0.04em;
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 3px solid rgba(10, 14, 39, 0.2);
}

.project-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 32px;
    box-shadow: 4px 8px 24px rgba(0, 0, 0, 0.08),
                0 12px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 8px 16px 40px rgba(0, 0, 0, 0.12),
                0 0 0 1px rgba(10, 14, 39, 0.08);
}

.project-card-inner {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 0;
    align-items: center;
}

/* İlk iki kart: resim sütunu daha küçük */
.projects-container .project-card:nth-child(2) .project-card-inner,
.projects-container .project-card:nth-child(3) .project-card-inner {
    grid-template-columns: 260px 1fr;
}

/* Son kart: yazı alanı resim yüksekliğine uyumlu, alt-üst boşluk az */
.projects-container .project-card:nth-child(4) .project-card-inner {
    align-items: stretch;
}

.projects-container .project-card:nth-child(4) .project-image-wrap {
    display: flex;
    align-items: stretch;
}

.projects-container .project-card:nth-child(4) .project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.projects-container .project-card:nth-child(4) .project-content {
    padding: 20px 28px;
}

.projects-container .project-card:nth-child(4) .project-title {
    font-size: 1.02rem;
    line-height: 1.7;
    margin-bottom: 10px;
}

.projects-container .project-card:nth-child(4) .project-text {
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 14px;
}

.projects-container .project-card:nth-child(4) .project-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* Çocuk Kongresi kartı: kendi container'ında, resim yazı yüksekliğine uyumlu, üst/alt boşluk yok; grid oranı diğer kartlarla aynı */
.projects-container--wide .project-card-inner {
    align-items: stretch;
    grid-template-columns: 400px 1fr;
}

.projects-container--wide .project-image-wrap {
    display: flex;
    align-items: stretch;
}

.projects-container--wide .project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-image-wrap {
    background: #0a0e27;
    padding: 0;
    line-height: 0;
}

.project-image {
    width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}

.project-content {
    padding-top: 20px;
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #0a0e27;
    line-height: 1.35;
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}

.project-text {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

.project-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: #0a0e27;
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    align-self: flex-start;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid #0a0e27;
}

.project-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    transition: left 0.5s ease;
}

.project-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(10, 14, 39, 0.45),
                0 0 24px rgba(10, 14, 39, 0.2);
}

.project-btn:hover::before {
    left: 100%;
}

.project-btn span,
.project-btn i {
    position: relative;
    z-index: 1;
}

.project-btn i {
    font-size: 0.8rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .projects-section {
        padding: 20px 16px 60px;
    }
    
    .projects-page-title {
        font-size: 1.45rem;
        margin-bottom: 28px;
    }
    
    .project-card-inner {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
    }
    
    .project-image-wrap {
        padding: 0;
    }
    
    .project-image {
        width: 100%;
        height: auto;
    }
    
    .project-content {
        padding: 22px 20px;
    }
    
    .project-title {
        font-size: 1.05rem;
    }
    
    .project-text {
        font-size: 0.9rem;
    }
    
    .project-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========== Okuduklarım & Farkındalık sayfaları ========== */
.page-content-section {
    background: linear-gradient(160deg, #f0f8ff 0%, #e8f4fc 50%, #eef6fc 100%);
    padding: 100px 24px 80px;
    min-height: 100vh;
}

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

.page-content-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #0a0e27;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 3px solid rgba(10, 14, 39, 0.2);
}

.page-content-intro {
    font-size: 1.05rem;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 32px;
}

.page-content-body {
    font-size: 1rem;
    color: #2d3748;
    line-height: 1.8;
}

/* ========== Site Footer ========== */
.site-footer {
    background: #0a0e27;
    color: #fff;
    text-align: center;
    padding: 48px 24px 32px;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 42px;
    margin-bottom: 32px;
}

.footer-social a {
    color: #fff;
    font-size: 1.85rem;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.footer-social a:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.footer-x {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: inherit;
}

.footer-logo {
    margin-bottom: 24px;
}

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

.footer-copyright {
    font-size: 1rem;
    margin: 0 0 8px;
    color: #fff;
}

.footer-credits {
    font-size: 0.9rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
}