/* RESET & CORE */
* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body, html {
    height: 100%;
    width: 100%;
    background:url('bg_form.jpg') no-repeat center center;
    background-size:cover;
    overflow: hidden; /* Desktop tetap 1 layar */
}

/* BACKGROUND GRID SEPERTI RESULT.PHP */
.welcome-page {
    background: url('../bg_welcome.jpg') no-repeat center center;
    background-size: cover;
}

.main-overlay {
    width: 100%;
    height: 100vh;
    /* Gradasi Radial + Grid Kotak-Kotak */
    background: 
        radial-gradient(circle at center, rgba(11, 20, 26, 0.7) 0%, #0b141a 100%),
        linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 45px 45px, 45px 45px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* CONTAINER UTAMA */
.hero-container {
    text-align: center;
    max-width: 800px;
    width: 90%;
    /* Menjaga elemen tidak terlalu jauh */
    display: flex;
    flex-direction: column;
    gap: 30px; 
}

/* LOGO - UKURAN PROPORSIONAL */
.logo-main {
    max-width: 320px;
    height: auto;
    filter: drop-shadow(0 0 15px rgba(255,255,255,0.1));
}

/* TIPOGRAFI - UKURAN DIATUR AGAR TIDAK TERLALU BESAR */
.main-title {
    display: flex;
    flex-direction: column;
    gap: 5px; /* Spasi antar baris teks dipersempit */
}

.sub-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 6px;
}

.main-highlight {
    font-size: clamp(32px, 6vw, 56px); /* Font tidak terlalu besar tapi dominan */
    font-weight: 900;
    color: #ce9c31;
    letter-spacing: -1px;
}

.accent-line {
    width: 60px;
    height: 3px;
    background: #ce9c31;
    margin: 15px auto 0;
}

/* BUTTON & FOOTER */
.btn-primary {
    display: inline-block;
    background: #ce9c31;
    color: #000;
    text-decoration: none;
    font-weight: 800;
    padding: 18px 50px;
    border-radius: 4px;
    font-size: 16px;
    letter-spacing: 2px;
    transition: 0.3s ease;
    box-shadow: 0 10px 30px rgba(206, 156, 49, 0.3);
}

.btn-primary:hover {
    background: #f1c40f;
    transform: translateY(-2px);
}

.brand-footer {
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 400;
}

/* RESPONSIVE: AKTIFKAN SCROLL DI MOBILE */
@media (max-width: 768px) {
    body, html { overflow-y: auto; height: auto; }
    .main-overlay { height: auto; min-height: 100vh; padding: 60px 20px; }
    .hero-container { gap: 40px; }
    .logo-main { max-width: 240px; }
    .main-highlight { font-size: 32px; }
    .sub-title { font-size: 0.9rem; letter-spacing: 3px; }
}