* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #f5f7fa;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 16px;
}

.header {
    background: #0f172a;
    color: #fff;
    padding: 15px 0;
}

.header .container {
    display: flex;
    align-items: center;
}

.logo {
    margin-left: 15px;
    font-size: 22px;
}

.logo span {
    color: #38bdf8;
}

.menu-btn {
    font-size: 24px;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
}

/* Side Menu */
.side-menu {
    position: fixed;
    top: 0;
    left: -260px;
    width: 260px;
    height: 100%;
    background: #020617;
    padding-top: 60px;
    transition: 0.3s;
    z-index: 1001;
}

.side-menu ul {
    list-style: none;
}

.side-menu ul li a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid #1e293b;
}

.side-menu ul li a:hover {
    background: #0f172a;
}

/* Overlay */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    z-index: 1000;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    background: #38bdf8;
    color: #000;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 6px;
}

/* Packages */
.packages {
    padding: 60px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
}

.price {
    font-size: 24px;
    margin: 15px 0;
    color: #0f172a;
}

.card ul {
    list-style: none;
    margin-bottom: 20px;
}

.card ul li {
    margin: 8px 0;
}

.btn-outline {
    border: 2px solid #38bdf8;
    padding: 10px 20px;
    color: #38bdf8;
    text-decoration: none;
    border-radius: 6px;
}

.footer {
    background: #020617;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}
.detail-btn {
    width: 100%;
    margin: 15px 0;
    padding: 10px;
    background: #0f172a;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}

.detail-btn:hover {
    background: #1e293b;
}

.package-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    text-align: left;
}

.package-details ul {
    margin: 15px 0;
    padding-left: 20px;
}

.package-details ul li {
    margin: 8px 0;
    font-size: 14px;
}

/* Açık hali */
.package-details.active {
    max-height: 300px;
}