/* styles.css - Bosfora Finansal Okuryazarlık Online Kursu */
/* Tarz: Modern Online Muhasebe - Temiz, profesyonel, güvenilir */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    color: #2d3436;
    line-height: 1.6;
    max-width: 1090px;
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
}

/* Bloklar için kontrastlı arka planlar */
.block {
    padding: 60px 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.block:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* Kontrastlı Blok Renkleri */
#teklif { background: linear-gradient(135deg, #2c3e50 0%, #1a2530 100%); color: #ecf0f1; min-height: 470px; display: flex; align-items: center; }
#yorumlar { background: #ffffff; border: 1px solid #dfe6e9; }
#urunler { background: #f1f8ff; }
#uzmanlar { background: #e8f5e9; }
#faaliyetler { background: #fff3cd; }
#abone-form { background: #f9f9fb; border-top: 4px solid #3498db; }
#iletisim { background: #ffffff; }
footer { background: #2d3436; color: #b2bec3; padding: 30px 20px; text-align: center; font-size: 0.9rem; }

/* Container */
.container {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

/* Başlıklar */
h1, h2, h3, h4 {
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

#teklif h1 { font-size: 2.4rem; margin-bottom: 18px; }
#teklif p { font-size: 1.15rem; margin-bottom: 28px; opacity: 0.95; }

/* Butonlar */
.btn-primary {
    display: inline-block;
    background: #e67e22;
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #d35400;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 84, 0, 0.4);
}

/* Form */
form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 420px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

form input[type="email"] {
    padding: 14px 18px;
    border: 2px solid #dfe6e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.3s ease;
}

form input[type="email"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

form button {
    align-self: center;
}

/* Ürünler */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.product {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.06);
    transition: transform 0.2s;
}

.product:hover {
    transform: scale(1.03);
}

.product h3 {
    color: #2c3e50;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.product p {
    font-size: 0.95rem;
    color: #636e72;
    margin-bottom: 12px;
}

.product strong {
    font-size: 1.4rem;
    color: #27ae60;
    font-weight: 700;
}

/* Makale - Vurgulu */
.tip-article {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-top: 40px;
    border-left: 5px solid #3498db;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: left;
}

.tip-article h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.tip-article h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: #3498db;
}

.tip-article ol {
    padding-left: 20px;
    margin: 20px 0;
}

.tip-article li {
    margin-bottom: 14px;
    font-size: 1rem;
    line-height: 1.5;
}

.tip-article li strong {
    color: #2c3e50;
}

/* Uzmanlar */
.experts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.expert {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.expert h4 {
    color: #27ae60;
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.expert p {
    font-size: 0.95rem;
    color: #636e72;
}

/* Yorumlar */
.reviews {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.review {
    background: #f8f9fa;
    padding: 18px;
    border-radius: 10px;
    font-style: italic;
    border-left: 4px solid #3498db;
}

.review strong {
    display: block;
    font-style: normal;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 1rem;
}

/* Harita */
iframe {
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Footer */
footer p {
    margin: 0;
}

.domainName {
    font-weight: 600;
    color: #74b9ff;
}

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    body {
        padding: 0 10px;
    }

    #teklif {
        min-height: 420px;
        padding: 50px 15px;
    }

    #teklif h1 {
        font-size: 2rem;
    }

    #teklif p {
        font-size: 1rem;
    }

    .btn-primary {
        padding: 12px 24px;
        font-size: 1rem;
    }

    form {
        max-width: 100%;
        padding: 16px;
    }

    .products,
    .experts,
    .reviews {
        grid-template-columns: 1fr;
    }

    .tip-article {
        padding: 20px;
        font-size: 0.95rem;
    }

    .tip-article h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    #teklif h1 {
        font-size: 1.8rem;
    }

    .block {
        padding: 40px 15px;
    }

    .product strong {
        font-size: 1.2rem;
    }
}