/* Reset Basic */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0b1329;
    color: #ffffff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 1. Navbar */
.navbar {
    background-color: #0d1730;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-title {
    font-weight: 700;
    font-size: 1.3rem;
}

/* 2. Hero Section */
.hero-section {
    padding: 30px 20px 20px 20px;
    background-color: #0d1730;
    text-align: center;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-logo-wrapper {
    margin-bottom: 15px;
}

.hero-logo {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #38bdf8;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
    display: block;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #94a3b8;
}

.divider-white {
    height: 3px;
    background-color: #ffffff;
    width: 100%;
    margin: 10px 0 25px 0;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

/* 3. Grid Tata Letak 3 Kolom Presisi */
.app-grid-section {
    padding: 10px 15px 25px 15px;
}

.custom-layout-container {
    display: flex; /* Menggunakan Flexbox agar tinggi kolom kiri otomatis menyesuaikan kolom kanan */
    gap: 8px; 
    max-width: 1000px;
    margin: 0 auto;
}

/* Kolom Kiri (Memanjang Penuh ke Bawah mengikuti tinggi total tumpukan kanan) */
.vertical-card {
    flex: 1;
    background: #111c38;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
}

.vertical-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Kolom Tengah & Kanan (Tumpukan Kotak Kecil) */
.middle-grid-group, 
.right-grid-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.horizontal-card {
    background: #111c38;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.horizontal-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Responsif untuk HP */
@media (max-width: 768px) {
    .custom-layout-container {
        flex-direction: column;
    }
}

/* 4. Section Instruksi */
.instructions-section {
    padding: 20px 0;
}

.welcome-box {
    background-color: rgba(15, 23, 42, 0.8);
    border-left: 5px solid #0284c7;
    padding: 20px 24px;
    border-radius: 8px;
    margin-bottom: 25px;
}

.welcome-box h3 {
    font-size: 1.6rem;
    margin-bottom: 10px;
    color: #38bdf8;
    font-weight: 700;
}

.welcome-box p {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

.welcome-box ul {
    list-style: none;
    padding-left: 5px;
}

.welcome-box li {
    font-size: 1.15rem;
    color: #e2e8f0;
    margin-top: 6px;
    line-height: 1.5;
}

.instruction-text {
    font-size: 1.35rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #f1f5f9;
    font-weight: 500;
}

.note-text {
    font-size: 1.2rem;
    color: #f43f5e;
    font-style: italic;
    font-weight: 600;
    margin-bottom: 30px;
    background: rgba(244, 63, 94, 0.1);
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 4px solid #f43f5e;
}

.download-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 30px;
}

.btn-blue {
    background-color: #0284c7;
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.15rem;
    transition: all 0.2s ease;
    display: inline-block;
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
}

.btn-blue:hover {
    background-color: #0369a1;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(2, 132, 199, 0.5);
}

/* 5. Bottom Info & Widget Section */
.bottom-info-section {
    padding-bottom: 40px;
}

.info-blue-box {
    background: linear-gradient(135deg, #0369a1 0%, #0f172a 100%);
    border: 1px solid #38bdf8;
    padding: 22px 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.info-blue-box p {
    margin-bottom: 10px;
    font-size: 1.25rem;
    line-height: 1.5;
    color: #ffffff;
}

.info-blue-box p:last-child {
    margin-bottom: 0;
}

.info-blue-box strong {
    color: #7dd3fc;
}

.widget-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.widget-card {
    background-color: #1e293b;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.widget-card h5 {
    color: #38bdf8;
    font-size: 1rem;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    text-transform: uppercase;
    font-weight: 700;
}

.ip-info ul {
    list-style: none;
}

.ip-info li {
    display: flex;
    justify-content: space-between;
    font-size: 1.05rem;
    padding: 6px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.weather-display {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-top: 10px;
}

.weather-display .temp {
    font-size: 2.6rem;
    font-weight: 800;
    color: #38bdf8;
}

.cloud-icon {
    font-size: 2.2rem;
}

.footer {
    text-align: center;
    padding: 25px;
    color: #64748b;
    font-size: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}