/* ==========================================================================
   1. RESET & VARIABLE LAYOUT CONFIGURATION
   ========================================================================== */
:root {
    --primary-navy: #1e3a8a;      /* Warna utama: Navy Blue */
    --primary-light: #2563eb;     /* Warna gradasi: Royal Blue */
    --accent-green: #10b981;      /* Warna aksen: Hijau CTA */
    --accent-hover: #059669;      /* Warna aksen saat hover */
    --text-dark: #1e293b;         /* Warna teks utama */
    --text-muted: #64748b;        /* Warna teks sekunder/pudar */
    --bg-light: #f8fafc;          /* Latar belakang halaman */
    --white: #ffffff;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

/* ==========================================================================
   2. HERO SECTION (2-KOLOM LAYOUT WITH FLEXBOX)
   ========================================================================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 100px 20px; /* Padding luas antar seksi agar bersih/minimalis */
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: flex;
    flex-direction: row; /* Membagi menjadi 2 kolom (Teks kiri, Gambar kanan) */
    align-items: center;
    gap: 50px; /* Jarak horizontal antar kolom */
}

/* Kolom Kiri: Konten Teks & Tombol */
.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 35px;
    max-width: 550px;
}

/* Tombol Call to Action (CTA) */
.btn-start {
    display: inline-block;
    padding: 16px 40px;
    background-color: var(--accent-green);
    color: var(--white);
    font-weight: bold;
    font-size: 1.05rem;
    text-decoration: none;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.btn-start:hover {
    transform: translateY(-3px);
    background-color: var(--accent-hover);
    box-shadow: 0 20px 25px -5px rgba(16, 185, 129, 0.4);
}

/* Kolom Kanan: Area Mockup Gambar */
.hero-mockup {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Desain ilustrasi berbasis CSS murni pengganti mockup fisik */
.mockup-display {
    width: 100%;
    max-width: 500px;
    height: 320px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    backdrop-filter: blur(5px);
}

.mockup-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.8;
}

.mockup-text {
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.6;
}

/* ==========================================================================
   3. INFO & BENEFITS SECTION (GRID LAYOUT)
   ========================================================================== */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.2rem;
    color: var(--primary-navy);
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid System untuk Kartu Manfaat */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Membagi rata menjadi 3 kolom simetris */
    gap: 30px; /* Jarak antar kartu */
}

/* Styling Komponen Card tunggal */
.card-benefit {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.card-benefit:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Dekorasi Nomor Urut pada Card */
.card-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-light);
    font-weight: bold;
    border-radius: 50%;
    margin-bottom: 20px;
}

.card-benefit h3 {
    font-size: 1.25rem;
    color: var(--primary-navy);
    margin-bottom: 12px;
}

.card-benefit p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}
.mockup-image {
    width: 100%;
    max-width: 500px;  /* Batas maksimal lebar gambar */
    height: auto;       /* Menjaga rasio gambar tetap proporsional */
    border-radius: 16px; /* Membuat sudut gambar sedikit melengkung agar estetik */
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3); /* Memberikan efek bayangan modern */
    object-fit: cover;
}
.hero-logo {
    height: 65px;               /* Mengatur tinggi logo */
    width: auto;                /* Menjaga rasio logo tetap proporsional */
    background-color: #ffffff;  /* Membuat kotak putih di belakang logo */
    padding: 10px 20px;         /* Memberikan ruang/jarak di dalam kotak putih agar logo tidak mepet */
    border-radius: 8px;         /* Membuat sudut kotak putih menjadi melengkung (halus) */
    margin-bottom: 25px;        /* Jarak antara kotak putih logo dengan judul H1 di bawahnya */
    object-fit: contain;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15); /* Memberikan bayangan halus agar kotak terlihat modern */
    display: inline-block;      /* Memastikan kotak membungkus logo dengan pas */
}

/* ==========================================================================
   4. RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 992px) {
    /* Mengubah Hero menjadi 1 kolom vertikal pada ukuran layar tablet */
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 60px;
    }
    .hero-content p {
        margin: 0 auto 35px auto;
    }
    /* Mengubah Grid Info menjadi 2 kolom */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 60px 20px;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .mockup-display {
        height: 240px;
    }
    .main-container {
        padding: 60px 20px;
    }
    /* Mengubah Grid Info menjadi 1 kolom penuh pada ukuran layar mobile */
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}