/* Tasarım Sistemi & Sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: #030303;
}

body {
    /* Mat lüks saf derin siyah üzerine derinlik katan modern ince ızgara ve merkez ışık süzmesi */
    background-color: #030303;
    background-image: 
        linear-gradient(rgba(212, 175, 55, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.015) 1px, transparent 1px),
        radial-gradient(circle at center, #0e0e0e 0%, #030303 100%);
    background-size: 50px 50px, 50px 50px, 100% 100%;
    color: #e2e8f0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Üst Menü */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(3, 3, 3, 0.75);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.05);
}

.logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    letter-spacing: 2px;
    font-size: 1.1rem;
    color: #ffffff;
}

.nav-links {
    display: flex;
    gap: 0.8rem;
}

.nav-links a {
    color: #8a8a8a;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 18px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.nav-links a:hover {
    color: #d4af37;
    background: rgba(212, 175, 55, 0.05);
    border-color: rgba(212, 175, 55, 0.2);
    transform: translateY(-1px);
}

.nav-links a.active {
    color: #d4af37;
    background: rgba(212, 175, 55, 0.08);
    border-color: rgba(212, 175, 55, 0.3);
}

/* Giriş Alanı (Hero) */
.hero {
    height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 4rem;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 850px;
    text-align: center;
}

.hero-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: #d4af37;
    display: inline-block;
    margin-bottom: 1rem;
}

.hero-content h1 {
    font-family: 'Syne', sans-serif;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.1rem;
    color: #a3a3a3;
    max-width: 650px;
    margin: 0 auto;
}

/* Proje Alanları */
.content-section {
    padding: 4rem 0 10rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.title-line {
    width: 40px;
    height: 2px;
    background-color: #d4af37;
}

/* Proje Grid Yapısı */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.project-card {
    background-color: #0a0a0a;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.01);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.2);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: #000;
}

.video-container video, .video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 0;
}

.project-info {
    padding: 2.5rem;
}

.project-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: #d4af37;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.project-info h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: #ffffff;
}

.project-info p {
    color: #a3a3a3;
    font-size: 0.95rem;
}

/* Hakkımda Sayfası */
.about-page-section {
    padding: 10rem 0 8rem 0;
}

.about-wrapper {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-image-side {
    flex: 1;
    max-width: 40%;
}

.image-frame {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background-color: #0a0a0a;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(40%);
    transition: filter 0.4s, transform 0.4s;
}

.image-frame:hover img {
    filter: grayscale(0%);
    transform: scale(1.02);
}

.about-text-side {
    flex: 1.5;
}

.about-sub {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #d4af37;
    display: block;
    margin-bottom: 0.5rem;
}

.about-title {
    font-family: 'Syne', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

.highlight-text {
    font-size: 1.2rem;
    color: #ffffff;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border-left: 2px solid #d4af37;
    padding-left: 12px;
}

.about-text-side p {
    color: #a3a3a3;
    margin-bottom: 1.2rem;
    font-size: 1rem;
}

/* Footer & Alt Alan */
.footer {
    padding: 6rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.01);
}

.footer-sub {
    font-size: 0.75rem;
    font-weight: 700;
    color: #8a8a8a;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.email-link {
    font-size: 1.8rem;
    font-family: 'Syne', sans-serif;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s;
    display: inline-block;
    word-break: break-all;
}

.email-link:hover {
    color: #d4af37;
}

.social-links {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    color: #555555;
    text-decoration: none;
    font-size: 1.1rem;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.01);
}

.social-links a:hover {
    color: #d4af37;
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
    background: rgba(212, 175, 55, 0.02);
}

.copyright {
    margin-top: 4rem;
    font-size: 0.75rem;
    color: #262626 !important;
}

/* Sabit WhatsApp Baloncuğu */
.whatsapp-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background-color: #25d366; 
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 9999;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s, box-shadow 0.3s;
    text-decoration: none;
}

.whatsapp-fixed:hover {
    transform: translateY(-5px) scale(1.05);
    background-color: #20ba5a;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

/* MOBIL VE TABLET UYUMLULUK */
@media (max-width: 992px) {
    .navbar { padding: 1.2rem 2rem; }
    .hero { padding: 0 2rem; height: 60vh; }
    .hero-content h1 { font-size: 2.6rem; }
    .about-wrapper { flex-direction: column; gap: 3rem; }
    .about-image-side { max-width: 60%; width: 100%; }
}

@media (max-width: 768px) {
    /* Giriş alanının yüksekliğini mobilde daralttık, her şey tam sığacak kanka */
    .hero { 
        padding: 0 1.5rem; 
        height: 55vh; 
    }

    /* Telefonda dev gibi durup taşan başlığı zarafetle küçülttük */
    .hero-content h1 { 
        font-size: 1.8rem; 
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    /* Paragraf metnini de tam ekran sınırlarına sığacak moda getirdik */
    .hero-content p { 
        font-size: 0.9rem; 
        max-width: 92%; 
        margin: 0 auto;
        line-height: 1.5;
    }
    
    .about-title { font-size: 2.2rem; }
    
    /* Mobilde e-postanın taşmasını önleyen jilet ayar */
    .email-link { 
        font-size: 1.1rem; /* Yazıyı kibarlaştırdık, ekrana tam sığacak */
        word-break: break-all; 
    }
    
    .project-info { padding: 1.5rem; }
    
    /* Hakkımda sayfasındaki paragrafların mobildeki yayılımını toparladık */
    .about-text-side p {
        font-size: 0.95rem;
        padding: 0 0.5rem;
    }
    
    .about-image-side { max-width: 100%; }
    .whatsapp-fixed { bottom: 20px; right: 20px; width: 50px; height: 50px; font-size: 1.6rem; }
}