html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, sans-serif;
}

/* HERO */
.hero {
    height: 100vh;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: heroZoom 22s ease-in-out infinite;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-image.mobile { display: none; }

@media (max-width: 768px) {
    .hero-image.desktop { display: none; }
    .hero-image.mobile { display: block; }
}

/* POPUP */
.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.popup-overlay.hidden { display: none; }

.popup-box {
    position: relative;
    background: #ffffff;
    color: #111827;
    padding: 32px;
    border-radius: 14px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 25px 50px rgba(0,0,0,0.4);
    text-align: center;
}

/* CLOSE BUTTON FIX */
.popup-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    font-size: 22px;
    line-height: 22px;
    cursor: pointer;
    padding: 0;
}

/* FORM */
.popup-box h2 {
    font-size: 26px;
    margin-bottom: 12px;
}

.popup-box p {
    font-size: 18px;
    margin-bottom: 20px;
}

.popup-box input {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    margin-bottom: 14px;
    box-sizing: border-box;
}

.popup-box button[type="submit"] {
    width: 100%;
    padding: 12px;
    font-size: 18px;
    background: #2563eb;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 8px;
}