/* Genel Yerleşim */
body {
    max-width: 1090px;
    margin: 0 auto;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #0b0e13; /* havacılık temalı koyu arka plan */
    color: #e6e9ed;
}

section {
    padding: 50px 30px;
    margin-bottom: 20px;
    border-radius: 8px;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: 0.5px;
}

p, li {
    line-height: 1.6;
}

/* Blok 1 — Offer */
#offer {
    background: linear-gradient(135deg, #1b263b, #415a77);
    text-align: center;
    min-height: 470px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #ffffff;
}

#offer .btn {
    display: inline-block;
    padding: 14px 28px;
    background-color: #e53e3e;
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    margin-top: 25px;
    transition: background 0.3s;
}

#offer .btn:hover {
    background-color: #c53030;
}

/* Kontrastlı blok renkleri */
#experts { background-color: #222831; }
#form { background-color: #2a3c4e; }
#reviews { background-color: #1f2933; }
#expert-activities { background-color: #243447; }
#products { background-color: #283845; }
#contact { background-color: #1b2631; }
footer { background-color: #11151c; text-align:center; padding:20px; }

/* Form stili */
form {
    display: flex;
    flex-direction: column;
    max-width: 420px;
    margin: 0 auto;
}

input[type="email"], input[type="text"], input[type="hidden"] {
    padding: 12px;
    border-radius: 4px;
    border: none;
    margin-bottom: 15px;
    background-color: #d9d9d9;
}

button {
    padding: 12px;
    border: none;
    border-radius: 4px;
    background-color: #e53e3e;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    transition: background 0.3s;
}

button:hover {
    background-color: #c53030;
}

/* Ürün listesi ve yazı */
#products ul li {
    margin-bottom: 10px;
    padding: 8px 5px;
    background-color: rgba(255, 255, 255, 0.04);
    border-left: 4px solid #e53e3e;
}

#products article {
    background-color: #0f1620;
    padding: 25px;
    margin-top: 30px;
    border-left: 6px solid #e53e3e;
    border-radius: 6px;
}

/* Uzmanlar ve yorumlar listesi */
ul li {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 10px;
    margin: 8px 0;
    border-radius: 4px;
}

/* Mobil uyum */
@media (max-width: 768px) {
    section { padding: 35px 20px; }
    #offer { padding: 20px; min-height: 420px; }
    h1 { font-size: 26px; }
    h2 { font-size: 22px; }
    .btn { padding: 12px 20px; }
}