/*
Theme Name: Isik Vize Premium V5.1 - Master Fix
Author: Gemini
Description: Mevcut V5.1 yapısı korunmuş, öne çıkanlar efektleri, buton hover ve mobil yama stabilize edilmiştir.
Version: 5.1
*/

:root {
    --navy: #001a3d;
    --cyan: #33c9ff;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #1a202c;
    --text-gray: #4a5568;
    --light-gray: #f1f5f9; /* Buton görselini tamir eden kritik renk */
}

/* ============================================================
   DOKUNULMAZ V5.1 ANA YAPI (Senin paylaştığın orijinal kod)
   ============================================================ */

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--bg-light); color: var(--text-dark); line-height: 1.6; }
a { text-decoration: none; transition: 0.3s ease; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* --- HEADER --- */
.main-header { background: var(--white); padding: 15px 0; box-shadow: 0 4px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; border-bottom: 4px solid var(--cyan); }
.header-flex { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-size: 28px; font-weight: 800; color: var(--navy); text-transform: uppercase; letter-spacing: -1px; }
.logo span { color: var(--cyan); }
.navigation ul { display: flex; list-style: none; gap: 30px; }
.navigation ul li a { font-weight: 700; color: var(--navy); font-size: 15px; }
.navigation ul li a:hover { color: var(--cyan); }

/* --- HERO --- */
.hero { 
    background: linear-gradient(135deg, rgba(0, 26, 61, 0.9) 0%, rgba(0, 26, 61, 0.85) 100%), 
                url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?q=80&w=2074&auto=format&fit=crop'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 120px 0 160px 0; 
    text-align: center; 
    color: var(--white);
    border-bottom: 5px solid var(--cyan);
}

.hero h1 { font-size: 3.5rem; font-weight: 800; margin-bottom: 20px; text-shadow: 0 4px 10px rgba(0,0,0,0.3); }
.hero p { font-size: 1.3rem; opacity: 0.9; max-width: 800px; margin: 0 auto 35px auto; }

.cta-main { 
    display: inline-block; 
    background: var(--cyan); 
    color: var(--navy); 
    padding: 18px 45px; 
    border-radius: 50px; 
    font-weight: 800; 
    text-transform: uppercase; 
    box-shadow: 0 10px 25px rgba(51, 201, 255, 0.3);
    border: 2px solid transparent;
}

.cta-main:hover { 
    transform: translateY(-5px) scale(1.03); 
    background: var(--white); 
    color: var(--navy);
    border-color: var(--cyan);
    box-shadow: 0 15px 35px rgba(51, 201, 255, 0.5);
}

/* --- TRUST BAR --- */
.trust-bar { background: var(--white); padding: 35px 0; margin-top: -55px; border-radius: 20px; box-shadow: 0 15px 35px rgba(0,0,0,0.1); position: relative; z-index: 10; }
.trust-flex { display: flex; justify-content: space-around; text-align: center; }
.trust-item i { font-size: 2.2rem; color: var(--cyan); margin-bottom: 12px; display: block; }

/* --- BLOG GRID & KARTLAR --- */
.main-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 40px; margin: 80px 0; }
.post-card { 
    background: var(--white); border-radius: 25px; overflow: hidden; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); border: 1px solid #edf2f7; 
    display: flex; flex-direction: column; transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.post-card:hover { transform: translateY(-12px); box-shadow: 0 25px 50px rgba(0,26,61,0.15); border-color: var(--cyan); }
.post-image { height: 240px; background-size: cover; background-position: center; border-bottom: 5px solid var(--cyan); }
.post-content { padding: 30px; flex-grow: 1; }
.post-content h2 { font-size: 1.6rem; color: var(--navy); margin-bottom: 8px; border-left: 5px solid var(--cyan); padding-left: 15px; }
.post-date { font-size: 0.85rem; color: var(--text-gray); margin-bottom: 15px; font-weight: 600; padding-left: 20px; }
.post-btn { display: inline-block; margin-top: 20px; padding: 10px 20px; background: var(--light-gray); color: var(--navy); border-radius: 10px; font-weight: 800; border: 1px solid #e2e8f0; }
.post-card:hover .post-btn { background: var(--cyan); border-color: var(--cyan); }

/* --- İÇERİK DETAY --- */
.entry-content { line-height: 2.0; font-size: 1.2rem; color: var(--text-gray); }
.entry-content h2 { color: var(--navy); font-size: 2.3rem; font-weight: 800; margin: 60px 0 30px 0 !important; padding-left: 20px; border-left: 8px solid var(--cyan); }
.entry-content p { margin-bottom: 30px !important; }
.entry-content ul { list-style: none; margin: 40px 0; padding: 0; }
.entry-content ul li { background: #fff; padding: 20px 20px 20px 60px; margin-bottom: 15px; border-radius: 15px; border: 1px solid #e2e8f0; position: relative; font-weight: 600; }
.entry-content ul li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 25px; color: #10b981; font-size: 1.3rem; }

/* SIDEBAR & FOOTER */
.sidebar-box { background: var(--navy); color: var(--white); padding: 40px; border-radius: 25px; position: sticky; top: 110px; }
footer { background: var(--navy); color: #fff; padding: 80px 0; text-align: center; margin-top: 80px; }


/* ============================================================
   EKLEME ALANI (Sadece eksikleri tamamlayan ek kalkanlar)
   ============================================================ */

/* 1. Öne Çıkan Rehberler Efekt Paketi (Efektler Geri Geldi) */
.featured-section { margin-top: 80px; }
.section-title { font-size: 2.2rem; color: var(--navy); font-weight: 800; margin-bottom: 30px; border-left: 8px solid var(--cyan); padding-left: 20px; }
.featured-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.featured-card { 
    background-size: cover !important; background-position: center !important; 
    border-radius: 25px; overflow: hidden; position: relative; height: 380px; 
    transition: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); display: block; 
}
.featured-card:hover { transform: translateY(-10px) scale(1.02); box-shadow: 0 25px 50px rgba(0,26,61,0.25); }
.featured-overlay { 
    position: absolute; bottom: 0; left: 0; right: 0; top: 0; 
    background: linear-gradient(to top, rgba(0,26,61,0.9) 0%, rgba(0,26,61,0.3) 60%, transparent 100%); 
    padding: 40px 30px; display: flex; flex-direction: column; justify-content: flex-end; color: white; 
}
.featured-card h3 { font-size: 1.8rem; color: white; margin-bottom: 5px; font-weight: 800; }
.featured-card .badge { align-self: flex-start; background: var(--cyan); color: var(--navy); padding: 5px 15px; border-radius: 6px; font-weight: 800; font-size: 0.75rem; margin-bottom: 12px; }

/* 2. REHBERİ İNCELE Buton Hover Fix */
.post-btn:hover { background: var(--cyan) !important; border-color: var(--cyan) !important; color: var(--navy) !important; }

/* 3. 404 Hatası */
.error-404 { padding: 100px 0; text-align: center; }
.error-404 i { font-size: 5rem; color: var(--cyan); margin-bottom: 20px; display: block; animation: float 3s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

/* 4. MOBİL KORUMA (Masaüstü yapıyı bozmaz, sadece mobilde çalışır) */
@media (max-width: 768px) {
    .header-flex { flex-direction: column; gap: 15px; text-align: center; }
    .navigation ul { justify-content: center; gap: 15px; font-size: 13px; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1.1rem; }
    .trust-bar { margin-top: -30px; padding: 25px 15px; }
    .trust-flex { flex-direction: column; gap: 20px; }
    .featured-grid { grid-template-columns: 1fr; }
    .main-grid { grid-template-columns: 1fr; }
}
/* ... Önceki V5.1 kodların burada olduğu gibi duruyor ... */

/* ============================================================
   EKLEME: DUYURU HABERCİSİ (NEWSLETTER) TASARIMI
   ============================================================ */
.newsletter-inline-box {
    background: var(--white);
    border-radius: 30px;
    padding: 40px;
    margin: 60px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    box-shadow: 0 20px 40px rgba(0, 26, 61, 0.08);
    border: 1px solid #edf2f7;
    position: relative;
    overflow: hidden;
}

.newsletter-inline-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 6px; height: 100%;
    background: var(--cyan);
}

.nl-left { display: flex; align-items: center; gap: 25px; flex: 1; }
.nl-icon { 
    width: 70px; height: 70px; background: #f0f9ff; color: var(--cyan); 
    border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.nl-text h3 { color: var(--navy); font-size: 1.6rem; font-weight: 800; margin-bottom: 5px; }
.nl-text p { color: var(--text-gray); font-size: 1rem; }

.nl-right { flex: 1.2; }
.nl-form { display: flex; gap: 15px; margin-bottom: 15px; }
.nl-form input { 
    flex: 1; padding: 15px 20px; border-radius: 12px; border: 1px solid #e2e8f0; 
    background: #f8fafc; font-size: 0.95rem; outline: none; transition: 0.3s;
}
.nl-form input:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(51, 201, 255, 0.1); }
.nl-form button { 
    background: var(--navy); color: white; padding: 0 30px; border-radius: 12px; 
    border: none; font-weight: 700; cursor: pointer; transition: 0.3s;
}
.nl-form button:hover { background: var(--cyan); color: var(--navy); transform: translateY(-2px); }
.nl-info { font-size: 0.8rem; color: #a0aec0; display: flex; align-items: center; gap: 8px; }

/* Mobil Uyumluluk İçin Ek */
@media (max-width: 992px) {
    .newsletter-inline-box { flex-direction: column; text-align: center; padding: 30px; }
    .nl-left { flex-direction: column; }
    .nl-form { flex-direction: column; }
    .nl-form button { padding: 15px; }
    .nl-info { justify-content: center; }
}