/* --- GERİ GETİRİLEN MAİ TONLU PROFESYONEL TEMA --- */

html {
    scroll-behavior: smooth;
}

:root {
    --primary-blue: #007bff; /* Elektrik Mavisi */
    --dark-navy: #0a192f;   /* Çok Koyu Lacivert (Arka Plan) */
    --light-navy: #112240;  /* Kart Arka Planları */
    --text-white: #e6f1ff;  /* Ana Metin Rengi */
    --text-gray: #8892b0;   /* Yardımcı Metin Rengi */
    --accent-blue: #64ffda; /* Detaylar için Turkuaz/Mavi dokunuşu */
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-white);
    background-color: var(--dark-navy);
    scroll-behavior: smooth;
}

/* Navigasyon - Cam Efekti */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

.logo {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li { margin-left: 25px; }

nav ul li a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.9rem;
    transition: 0.3s;
}

nav ul li a:hover { color: var(--primary-blue); }

/* Hero & Profil Kartı (Senin fotoğrafın için düzenlendi) */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 10% 40px;
    background: radial-gradient(circle at center, #112240 0%, #0a192f 100%);
}

.profile-card {
    display: flex;
    align-items: center;
    gap: 40px;
    background: var(--light-navy);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 123, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid var(--primary-blue);
    object-fit: cover;
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
}

.profile-text h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.sub-text {
    color: var(--text-gray);
    margin-bottom: 15px;
}

.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.tags span {
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Projeler Grid */
#projects { padding: 100px 10%; }

h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
    text-align: center;
}

h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 2px;
    background: var(--primary-blue);
    margin: 10px auto 0;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-card {
    background: var(--light-navy);
    padding: 30px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-10px); /* Hafif yukarı kalkma */
    box-shadow: 0 15px 35px rgba(56, 189, 248, 0.2); /* Mavi bir parlama */
    border-color: var(--primary-blue);
}

.project-card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.project-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

.tech {
    display: block;
    margin-top: 20px;
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Eğitim & Sertifikalar (Timeline) */
#resume {
    padding: 80px 10%;
    background: rgba(255, 255, 255, 0.02);
}

.resume-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.resume-item {
    position: relative;
    padding-left: 30px;
    border-left: 2px solid var(--primary-blue);
    margin-bottom: 30px;
}

.resume-dot {
    position: absolute;
    left: -9px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--primary-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-blue);
}

.school-name { font-weight: 600; color: var(--text-white); }
.date { color: var(--accent-blue); font-size: 0.85rem; margin: 5px 0; display: block; }
.description { font-size: 0.9rem; color: var(--text-gray); }

/* Footer */
footer {
    padding: 80px 10%;
    text-align: center;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.social-links a {
    color: var(--text-white);
    text-decoration: none;
    border: 1px solid var(--primary-blue);
    padding: 10px 25px;
    border-radius: 4px;
    margin: 0 10px;
    transition: 0.3s;
    display: inline-block;
}

.social-links a:hover {
    background: rgba(0, 123, 255, 0.1);
    transform: scale(1.05);
}

.copyright { margin-top: 30px; font-size: 0.8rem; color: var(--text-gray); }

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .profile-card { flex-direction: column; text-align: center; }
    .resume-container { grid-template-columns: 1fr; }
    nav ul { display: none; }
}

/* --- GENEL METİN DÜZENLEME --- */
p {
    color: var(--text-gray); /* Yazı rengini hafif gri/mavi yaparak gözü yormaz hale getirir */
    line-height: 1.8;        /* Satır aralığını açar, okumayı kolaylaştırır */
    font-size: 0.95rem;      /* Yazı boyutunu ideal seviyeye çeker */
    margin-bottom: 10px;     /* Paragraflar arasına küçük bir boşluk bırakır */
}