/* Import Google Fonts (Poppins) agar font terlihat modern seperti di gambar */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

body {
    /* Gradient Background sesuai gambar: Gelap di atas, Biru terang di bawah */
    background: linear-gradient(180deg, #020c1b 0%, #0a2e5c 40%, #1877FF 100%);
    color: white;
    min-height: 100vh;
    font-family: 'Poppins', sans-serif;
    overflow-x: hidden; /* Mencegah scroll horizontal */
}

/* --- Navbar Styling --- */
.navbar {
    padding-top: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #1877FF;
}

.navbar-brand img {
    height: 40px; /* Sesuaikan ukuran logo */
}

/* Tombol Navbar */
.btn-nav-outline {
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: white;
    padding: 8px 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-nav-outline:hover {
    border-color: white;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-nav-solid {
    background-color: #3b82f6; /* Warna biru tombol Masuk */
    color: white;
    border: none;
    padding: 8px 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-nav-solid:hover {
    background-color: #2563eb;
    color: white;
}

/* --- Hero Section Styling --- */
.hero {
    padding-top: 80px; /* Memberi jarak dari navbar */
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    min-height: 80vh; /* Agar konten berada di tengah layar secara vertikal */
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #e0e0e0;
    margin-bottom: 2rem;
    max-width: 90%;
}

/* Tombol Gabung Sekarang */
.btn-cta {
    background-color: rgba(59, 130, 246, 0.8); /* Biru semi transparan */
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 30px;
    font-size: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-cta:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    color: white;
}

/* Image Styling */
.hero-img img {
    max-width: 100%;
    height: auto;
    /* Drop shadow agar gambar orang terlihat lebih menyatu/pop-up */
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3)); 
}

/* Responsiveness (Mobile) */
@media (max-width: 991px) {
    .hero {
        text-align: center;
        padding-top: 40px;
    }
    
    .hero-text {
        margin-bottom: 50px;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .navbar-nav {
        margin-top: 15px;
    }
    
    .d-flex.gap-3 {
        justify-content: center;
        margin-top: 10px;
    }
}

/* =========================================
   RESPONSIVE STYLING (TABLET & HP)
   ========================================= */

/* 1. Tampilan Tablet & Layar Kecil (Max Width: 991px) */
@media (max-width: 991px) {
    /* Navbar: Tombol pindah ke bawah saat di-toggle */
    .navbar-collapse {
        background: rgba(2, 12, 27, 0.95); /* Background gelap agar menu terbaca */
        padding: 20px;
        margin-top: 10px;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* Hero Section: Text di atas, Gambar di bawah */
    .hero {
        text-align: center; /* Rata tengah biar rapi */
        padding-top: 40px;
        padding-bottom: 40px;
        min-height: auto; /* Hilangkan min-height agar tidak terlalu panjang */
    }
    
    .hero-text {
        margin-bottom: 40px; /* Jarak antara teks dan gambar */
        padding-right: 0; /* Reset padding */
    }

    .hero-text h1 {
        font-size: 2rem; /* Kecilkan sedikit font judul */
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto; /* Tengahkan paragraf */
    }

    /* Gambar Hero */
    .hero-img {
        margin-top: 20px;
    }
    
    .hero-img img {
        max-width: 80%; /* Gambar jangan terlalu besar di tablet */
    }
}

/* 2. Tampilan HP / Mobile (Max Width: 576px) */
@media (max-width: 576px) {
    /* Navbar Logo */
    .navbar-brand img {
        height: 30px; /* Logo lebih kecil di HP */
    }

    /* Judul Utama */
    .hero-text h1 {
        font-size: 1.6rem; /* Font judul lebih kecil lagi */
        line-height: 1.3;
    }

    /* Paragraf */
    .hero-text p {
        font-size: 0.95rem; /* Font paragraf disesuaikan */
        padding: 0 10px; /* Memberi jarak kiri-kanan */
    }

    /* Tombol CTA (Gabung Sekarang) */
    .btn-cta {
        width: 100%; /* Tombol jadi lebar penuh di HP biar gampang dipencet */
        display: block;
    }

    /* Tombol Navbar (Daftar/Masuk) */
    .d-flex.gap-3 {
        flex-direction: column; /* Tombol navbar jadi vertikal (atas-bawah) */
        width: 100%;
    }

    .btn-nav-outline, .btn-nav-solid {
        width: 100%; /* Tombol navbar lebar penuh */
        text-align: center;
        display: block;
    }

    .hero-img img {
        max-width: 100%; /* Gambar full width di HP */
        margin-top: 10px;
    }
}