/* ==========================================================================
   1. DEĞİŞKENLER VE TEMEL SIFIRLAMA
   ========================================================================== */
:root {
    --side-bg: #1e1e26;
    --body-bg: #111116;
    --accent: #ffb400; /* Altın Sarısı */
    --text-white: #ffffff;
    --text-muted: #a9a9a9;
    --sidebar-width: 260px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ==========================================================================
   2. ORTAK SECTION & BAŞLIK AYARLARI
   ========================================================================== */
section {
    position: relative;
    width: 100%;
    display: block;
    clear: both;
    overflow: hidden;
    background-color: var(--body-bg);
}

.section-padding {
    padding: 60px 0;
}

.section-title {
    margin-bottom: 30px;
}

    .section-title .subtitle, .subtitle {
        color: var(--accent);
        letter-spacing: 5px;
        font-weight: 600;
        font-size: 0.8rem;
        display: block;
        margin-bottom: 10px;
        text-transform: uppercase;
    }

    .section-title .title {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--text-white);
    }

/* ==========================================================================
   3. SIDEBAR (SOL SABİT PANEL)
   ========================================================================== */
.sidebar-wrapper {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--side-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 0;
    border-right: 1px solid #2a2a35;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
}

.profile-section {
    text-align: center;
    margin-bottom: 30px;
    padding: 0 20px;
    cursor: default;
    transition: var(--transition);
}



.profile-img img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--accent);
    object-fit: cover;
    margin-bottom: 10px;
    transition: var(--transition);
}

    .profile-img img:hover {
        transform: scale(1.05);
    }

/* --- Profil İsmi (Varsayılan) --- */
.profile-name {
    color: var(--text-white);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
    transition: all 0.4s ease; /* Hareketin pürüzsüz olması için */
}

/* --- Profil Unvanı (Varsayılan) --- */
.profile-title {
    color: var(--accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    transition: all 0.4s ease;
}



/* İsim: Üstüne gelince sararır ve yükselir */
.profile-name:hover {
    color: var(--accent);
    transform: translateY(-3px);
    text-shadow: 0 4px 10px rgba(255, 180, 0, 0.4);
    cursor: default;
}

/* Unvan: Üstüne gelince beyazlaşır ve harfler hafif açılır */
.profile-title:hover {
    color: #ffffff;
    letter-spacing: 2px;
    transform: translateY(-2px);
    cursor: default;
}

.sidebar-menu {
    width: 100%;
    margin-top: 10px;
}

    .sidebar-menu ul li a {
        display: block;
        padding: 12px 30px;
        color: var(--text-muted);
        font-size: 0.9rem;
        position: relative;
        border-bottom: 1px solid #252531;
        overflow: hidden;
    }

        .sidebar-menu ul li a i {
            margin-right: 15px;
            color: var(--accent);
            width: 20px;
            text-align: center;
        }

        .sidebar-menu ul li a:hover {
            color: var(--text-white) !important;
            background: rgba(255, 180, 0, 0.05);
            padding-left: 40px;
        }

.social-footer {
    display: flex;
    flex-wrap: wrap; /* Sığmayan ikonları aşağı atar */
    justify-content: center;
    gap: 10px; /* İkonlar arası boşluk */
    padding: 20px 15px; /* Yanlardan biraz boşluk */
    margin-top: auto;
    max-width: 180px; /* 3 taneden sonrasını aşağı atmaya zorlar */
}

    .social-footer a {
        width: 35px;
        height: 35px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 8px;
        color: var(--text-muted);
        transition: var(--transition);
    }

        .social-footer a:hover {
            background: var(--accent);
            color: #111;
            transform: translateY(-3px);
        }

/* ==========================================================================
   4. ANA İÇERİK & HERO
   ========================================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    padding: 0 40px;
}

.hero-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

    .hero-title span {
        color: var(--accent);
    }

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 650px;
    margin-bottom: 40px;
}

.btn-hero {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 4px;
    display: inline-block;
    margin-right: 15px;
    font-size: 0.8rem;
}

.btn-primary-hero {
    background-color: var(--accent);
    color: #111;
}

    .btn-primary-hero:hover {
        background: transparent;
        color: var(--accent);
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(255, 180, 0, 0.2);
        border: 1px solid var(--accent);
    }

.btn-outline-hero {
    border: 1px solid var(--text-muted);
    color: var(--text-white);
}

    .btn-outline-hero:hover {
        border-color: var(--accent);
        color: var(--accent);
        transform: translateY(-5px);
    }

/* ==========================================================================
   5. ABOUT (HAKKIMDA)
   ========================================================================== */
.about-img-frame {
    position: relative;
    display: inline-block;
    padding-right: 15px;
    padding-bottom: 15px;
    margin-right: 30px;
}

    .about-img-frame img {
        position: relative;
        z-index: 2;
        border-radius: 1.5rem;
        max-width: 400px;
    }

    .about-img-frame::after {
        content: "";
        position: absolute;
        top: 15px;
        left: 15px;
        width: 100%;
        height: 100%;
        border: 4px solid var(--accent);
        border-radius: 1.5rem;
        z-index: 1;
    }

.experience-badge {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: var(--accent);
    padding: 20px 25px;
    border-radius: 15px;
    text-align: center;
    color: #111;
    font-weight: 700;
    z-index: 3;
}

.about-details-box {
    background: rgba(255, 255, 255, 0.03);
    padding: 25px 35px;
    border-left: 5px solid var(--accent);
    margin-bottom: 30px;
}

/* ==========================================================================
   6. TIMELINE (YILAN METODU)
   ========================================================================== */
.timeline-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px 0;
}

    .timeline-wrapper::before {
        content: "";
        position: absolute;
        top: 0;
        left: 50%;
        width: 2px;
        height: 100%;
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(-50%);
    }

.timeline-item {
    width: 50%;
    margin-bottom: 30px;
    position: relative;
    clear: both;
}

.timeline-dot {
    position: absolute;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--body-bg);
    z-index: 10;
}

.timeline-item:nth-child(odd) {
    float: right;
    padding-left: 40px;
}

    .timeline-item:nth-child(odd) .timeline-dot {
        left: -8px;
    }

.timeline-item:nth-child(even) {
    float: left;
    padding-right: 40px;
    text-align: right;
}

    .timeline-item:nth-child(even) .timeline-dot {
        right: -8px;
    }

.timeline-content {
    background: rgba(255, 255, 255, 0.03);
    padding: 25px;
    border-radius: 15px;
    transition: var(--transition);
}

    .timeline-content:hover {
        background: rgba(255, 180, 0, 0.05);
        transform: translateY(-5px);
    }

/* ==========================================================================
   7. PORTFOLIO (PROJELER)
   ========================================================================== */
#portfolio {
    padding-top: 120px !important;
    clear: both;
}

.portfolio-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    width: 100%;
    padding: 20px 0;
}

.portfolio-card {
    flex: 0 0 calc(33.333% - 20px);
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: var(--side-bg);
    height: 200px;
}

.portfolio-img img {
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: 0.6s;
    display:block;
}

.portfolio-card:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: 0.4s;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}












/* ==========================================================================
   8. SKILLS (YETENEKLER)
   ========================================================================== */
/* 1. Ana Izgara (Grid) Yapısı - Kutuları yan yana dizer */
.skills-grid {
    display: grid;
    /* Her bir kutu en az 130px olsun, sığmazsa aşağı geçsin */
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

/* 2. Kare Kutular */
.skill-card {
    background: #1c1c1c; /* Koyu arka plan */
    aspect-ratio: 1 / 1; /* TAM KARE OLMASINI SAĞLAR */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid #333; /* Hafif belirgin çerçeve */
    border-radius: 12px; /* Modern, hafif köşeli */
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    padding: 15px;
    text-align: center;
    cursor: default;
}

    /* 3. İkon ve Yazı Stili */
    .skill-card i {
        width: 40px; /* Sabit bir genişlik veriyoruz */
        text-align: center; /* Merkeze hizalıyoruz */
        font-size: 2rem;
        color: #ffb400; /* Senin sarı rengin */
        margin-bottom: 12px;
        transition: transform 0.3s ease;
    }

    .skill-card .skill-name {
        color: #fff;
        font-weight: 600;
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin: 0; /* Dış boşlukları sıfırla */
    }

    /* 4. HOVER (Üzerine Gelince) */
    .skill-card:hover {
        border-color: #ffb400;
        background: #222;
        transform: translateY(-8px); /* Yukarı zıplama */
        box-shadow: 0 10px 20px rgba(255, 180, 0, 0.15);
    }

        .skill-card:hover i {
            transform: scale(1.1) rotate(5deg); /* İkon hafif büyüsün ve dönsün */
        }

/* ==========================================================================
   9. TESTIMONIALS (REFERANSLAR) & SWIPER
   ========================================================================== */
.testimonials-slider {
    width: 100%;
    height: auto;
    overflow: hidden;
    padding-bottom: 40px !important;
    margin-top: 30px;
}

.testimonial-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

    .testimonial-item .testimonial-img {
        width: 80px;
        border-radius: 50%;
        border: 3px solid var(--accent);
        margin-bottom: 15px;
    }

    .testimonial-item h3 {
        color: var(--text-white);
        font-size: 1.2rem;
    }

    .testimonial-item h4 {
        color: var(--accent);
        font-size: 0.8rem;
        text-transform: uppercase;
    }

    .testimonial-item p {
        font-style: italic;
        color: var(--text-muted);
    }

/* PAGINATION (NOKTALAR) */
.swiper-pagination {
    position: relative !important;
    margin-top: 30px !important;
}

.swiper-pagination-bullet {
    background: #ffffff !important;
    opacity: 0.3 !important;
    width: 12px;
    height: 12px;
}

.swiper-pagination-bullet-active {
    background: var(--accent) !important;
    opacity: 1 !important;
    width: 30px !important;
    border-radius: 5px !important;
}

/* ==========================================================================
   10. CONTACT (İLETİŞİM)
   ========================================================================== */

.contact-wrapper {
    background: rgba(255, 255, 255, 0.02);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    border: 1px solid transparent; /* Geçişte titreme yapmasın diye */
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); /* Yumuşak ve profesyonel geçiş */
}

    .contact-card:hover {
        background: rgba(255, 180, 0, 0.05); /* Çok hafif sarımsı dolgu */
        transform: translateY(-8px); /* Projelerdeki gibi yukarı zıplama */
        border-color: var(--accent); /* Kenarlık altın sarısı olur */
        box-shadow: 0 10px 30px rgba(255, 180, 0, 0.15); /* Altın aura parlama */
        cursor: pointer;
    }

    /* İkon Kutusu Efekti */
    .contact-card .icon-box {
        width: 60px;
        height: 60px;
        background: rgba(255, 180, 0, 0.1);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        border-radius: 12px;
        transition: all 0.4s ease;
    }

    .contact-card:hover .icon-box {
        background: var(--accent); /* Kutu tamamen sarı olur */
        color: #111; /* İkon siyah olur */
        transform: scale(1.1) rotate(5deg); /* Hafif büyür ve döner */
    }

    .contact-card .info-label {
        display: block;
        color: var(--accent);
        font-size: 0.8rem;
        font-weight: 600;
        text-transform: uppercase;
        margin-bottom: 5px;
        transition: 0.3s;
    }

    .contact-card .info-label {
        display: block;
        color: var(--accent);
        font-size: 0.8rem;
        font-weight: 600;
        text-transform: uppercase;
        margin-bottom: 5px;
        transition: 0.3s;
    }

    .contact-card .info-content p {
        margin: 0;
        color: var(--text-white);
        font-size: 0.95rem;
    }

    .contact-card:hover .info-label {
        color: #ffffff; /* Üstüne gelince başlık beyazlaşsın */
        letter-spacing: 1px;
    }

/* ==========================================================================
   11. ANIMATIONS
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@media (max-width: 992px) {
    .portfolio-card {
        flex: 0 0 calc(50% - 13px);
    }

    .main-content {
        padding: 0 20px;
    }
}

@media (max-width: 576px) {
    .portfolio-card {
        flex: 0 0 100%;
    }
}