/* Google Fonts - Modern ve Şık Yazı Tipi */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* Genel Ayarlar ve Sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #050505; 
    color: #f5f5f7;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased; 
}

/* --- ÜST BANNER (MENÜ) --- */
.top-banner {
    position: sticky;
    top: 0;
    z-index: 1000; 
    display: flex;
    justify-content: space-between; 
    align-items: center;
    background: rgba(10, 10, 10, 0.85); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px);
    padding: 15px 40px; 
    border-bottom: 1px solid rgba(255, 255, 255, 0.05); 
    transition: all 0.3s ease;
}

.top-banner h1 {
    position: absolute;
    left: 50%;
    transform: translateX(-50%); 
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-align: center;
}

.banner-menusu {
    display: flex;
    align-items: center;
    gap: 30px; 
    margin-left: auto; 
}

.nav-link {
    color: #cccccc;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #ffffff; 
}

.nav-buton {
    background-color: #ffffff; 
    color: #000000; 
    text-decoration: none;
    padding: 10px 24px;
    border-radius: 50px; 
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
}

.nav-buton:hover {
    background-color: #e0e0e0; 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(255,255,255,0.2);
}

/* --- AÇILIR MENÜ (DROPDOWN) AYARLARI --- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-icerik {
    display: none;
    position: absolute;
    top: 130%; 
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 15, 15, 0.95); 
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    min-width: 220px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
    z-index: 1001;
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dropdown-icerik a {
    color: #cccccc;
    padding: 15px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.dropdown-icerik a:last-child {
    border-bottom: none;
}

.dropdown-icerik a:hover {
    background-color: rgba(255, 255, 255, 0.08); 
    color: #ffffff;
}

.dropdown:hover .dropdown-icerik {
    display: block;
    opacity: 1;
    animation: asagi-kayma 0.3s ease forwards;
}

@keyframes asagi-kayma {
    from { top: 110%; opacity: 0; }
    to { top: 130%; opacity: 1; }
}

/* --- ANA GÖRSEL (HERO) ALANI --- */
.hero-section {
    background-image: url("arkaplan.jpeg");
    background-repeat: repeat-x;
    background-size: auto 100%;
    background-position: 0px center;
    animation: fon-kaydir 25s linear infinite; 
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 65vh; 
    position: relative;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.8) 100%); 
}

.hero-section h2 {
    position: relative;
    color: #ffffff;
    font-size: 4.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-align: center;
    text-shadow: 0 10px 30px rgba(0,0,0,0.8);
    padding: 0 20px;
}

@keyframes fon-kaydir {
    0% { background-position: 0px center; }
    100% { background-position: -2000px center; } 
}

/* --- MANİFESTO BÖLÜMÜ --- */
.manifesto-section {
    background-image: url('heykel.jpeg'); 
    background-size: cover;
    background-position: center;
    background-attachment: fixed; 
    padding: 120px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.manifesto-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85); 
}

.manifesto-content {
    position: relative;
    max-width: 900px;
    background: rgba(20, 20, 20, 0.4);
    padding: 60px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px); 
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.manifesto-content p {
    margin-bottom: 25px;
    color: #d1d1d6;
    font-size: 1.15rem;
    font-weight: 300;
    text-align: justify;
    text-indent: 40px; 
}

.manifesto-content .highlight-text {
    font-size: 1.6rem;
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    margin-top: 50px;
    font-style: italic;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 40px;
    text-indent: 0; 
}

.manifesto-content .final-text {
    text-align: center;
    font-weight: 500;
    margin-bottom: 0;
    color: #aaaaaa;
    letter-spacing: 1px;
    text-indent: 0; 
}

/* --- ANA SAYFA DÜŞÜNCELER BÖLÜMÜ (ALT ALTA) --- */
.ana-sayfa-dusunceler {
    display: flex;
    flex-direction: column; 
    width: 100%;
}

.ana-dusunce-karti {
    position: relative;
    width: 100%;
    height: 50vh; 
    background-size: cover;
    background-position: center;
    background-attachment: fixed; 
    text-decoration: none;
    overflow: hidden;
}

.ana-kart-katman {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.5s ease;
}

.ana-dusunce-karti h2 {
    color: #ffffff; 
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 4px;
    margin-bottom: 20px;
    text-shadow: 0 5px 15px rgba(0,0,0,0.9);
    transition: transform 0.5s ease;
    text-align: center;
}

.okumaya-basla {
    border: 1px solid rgba(255,255,255,0.4);
    padding: 12px 35px;
    border-radius: 50px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(5px);
    transition: all 0.4s ease;
}

.ana-dusunce-karti:hover .ana-kart-katman {
    background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.7) 100%);
}

.ana-dusunce-karti:hover h2 {
    transform: scale(1.05);
    color: #ffffff;
}

.ana-dusunce-karti:hover .okumaya-basla {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
    box-shadow: 0 10px 25px rgba(255,255,255,0.25);
}

/* --- KÜÇÜK VE PROFESYONEL SOSYAL MEDYA KARTLARI --- */
.instagram-section {
    background-color: #050505; 
    padding: 60px 20px;
    text-align: center;
}

.instagram-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; 
    max-width: 650px;
    margin: 0 auto;
}

.insta-card {
    background: rgba(15, 15, 15, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 20px 25px; /* İç boşluklar daraltıldı (küçültüldü) */
    border-radius: 12px;
    text-decoration: none; 
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease; 
    flex: 1;
    min-width: 220px;
    max-width: 280px; /* Genişlik küçültüldü */
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.insta-etiket {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #888888;
    margin-bottom: 6px;
    font-weight: 600;
}

.insta-card h3 {
    font-size: 1.05rem; /* Yazı boyutu küçültüldü */
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
    color: #ffffff;
}

.insta-buton-text {
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 5px 16px; /* Buton içi küçültüldü */
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}

/* Üzerine gelince (Hover efekti) */
.insta-card:hover {
    transform: translateY(-4px); 
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(25, 25, 25, 0.9);
}

.insta-card:hover .insta-buton-text {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

/* --- FOOTER & İLETİŞİM --- */
footer {
    background-color: #000000; 
    color: #777777; 
    text-align: center;
    padding: 35px 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-icerik {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-iletisim p {
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin: 0;
}

.footer-iletisim a {
    color: #ffffff; 
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-iletisim a:hover {
    color: #cccccc; 
}

.footer-copyright p {
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
}


/* ========================================= */
/* --- MOBİL UYUMLULUK KODLARI --- */
/* ========================================= */
@media (max-width: 768px) {
    
    .top-banner {
        flex-direction: column; 
        padding: 15px 10px; 
        gap: 15px; 
        align-items: center; 
        justify-content: center;
    }
    .top-banner h1 {
        position: relative; 
        left: auto;
        transform: none;
        font-size: 1.2rem; 
        letter-spacing: 3px; 
        text-align: center;
        width: 100%;
    }
    .banner-menusu {
        width: 100%;
        justify-content: center; 
        gap: 20px;
        margin-left: 0;
    }
    .nav-buton {
        padding: 8px 18px; 
        font-size: 0.85rem; 
    }
    .nav-link {
        font-size: 0.85rem;
    }

    .dropdown-icerik {
        position: relative;
        top: 0 !important;
        transform: none;
        left: 0;
        width: 100%;
        margin-top: 15px;
        box-shadow: none;
        background: rgba(25, 25, 25, 0.5);
    }
    .dropdown:hover .dropdown-icerik {
        animation: none; 
    }

    .hero-section {
        min-height: 40vh; 
    }
    .hero-section h2 {
        font-size: 2.2rem; 
        letter-spacing: 1px;
    }

    .manifesto-section {
        padding: 40px 15px;
        background-attachment: scroll; 
    }
    .manifesto-content {
        padding: 30px 20px;
        border-radius: 12px;
        background: rgba(15, 15, 15, 0.7); 
    }
    .manifesto-content p {
        font-size: 0.95rem; 
        line-height: 1.7; 
        margin-bottom: 20px;
        text-align: left; 
        color: #e0e0e0; 
        text-indent: 25px; 
    }
    .manifesto-content .highlight-text,
    .manifesto-content .final-text {
        text-indent: 0; 
    }
    .manifesto-content .highlight-text {
        font-size: 1.2rem;
        margin-top: 30px;
        padding-top: 30px;
        line-height: 1.5;
    }
    .manifesto-content .final-text {
        font-size: 0.9rem;
        margin-top: 10px;
    }
    
    .ana-dusunce-karti {
        height: 250px; 
        background-attachment: scroll; 
    }
    .ana-dusunce-karti h2 {
        font-size: 1.6rem; 
        letter-spacing: 2px;
    }

    .instagram-container {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        width: 100%;
    }
    .insta-card {
        width: 100%;
        max-width: 260px; /* Mobilde de küçük ve toplu durması sağlandı */
        padding: 18px 20px;
    }
}