@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;800&display=swap');

:root {
    --primary: #0ea5e9;
    --dark: #0f172a;
    --light-blue: #e0f2fe;
    --white: #ffffff;
    --gray: #64748b;
    --red: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden; /* Mencegah layar goyang ke samping di HP */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- NAVBAR (Optimasi Khusus Safari & Chrome) --- */
.navbar {
    background: #ffffff !important;
    min-height: 85px;
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    align-items: center;
    /* Dukungan Sticky untuk Safari iOS */
    position: -webkit-sticky; 
    position: sticky;
    top: 0;
    z-index: 9999;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    /* Trik agar elemen tidak hilang saat scroll di iPhone */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.navbar .container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo { 
    font-size: 1.6rem; 
    font-weight: 800; 
    color: var(--primary); 
    text-decoration: none;
    -webkit-user-select: none;
    user-select: none;
}

.logo span { color: var(--dark); }

.nav-links { 
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex; 
    list-style: none; 
    gap: 20px;
    align-items: center; 
}

.nav-links li a { 
    text-decoration: none; 
    color: var(--dark); 
    font-weight: 600; 
    font-size: 0.9rem;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

.nav-links li a:hover { 
    color: var(--primary); 
}

/* Tombol Login */
.btn-login {
    background: var(--primary);
    color: white !important;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 700;
}

/* --- HERO SECTION --- */
.hero {
    padding: 60px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-blue) 100%);
}

.hero-grid {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 50px 1fr;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 35px;
}

.hero-buttons { display: flex; gap: 15px; }

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 15px 35px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
}

.hero-image img { 
    width: 100%; 
    height: auto;
    -webkit-animation: float 3s ease-in-out infinite;
    animation: float 3s ease-in-out infinite; 
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* --- RESPONSIVE MOBILE (PENTING) --- */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 0;
        height: auto !important;
    }

    .navbar .container {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column !important;
        flex-direction: column !important;
        gap: 15px;
    }

    .nav-links { 
        display: -webkit-box !important;
        display: -ms-flexbox !important;
        display: flex !important; /* Paksa muncul di Safari */
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .nav-links li a {
        font-size: 0.85rem;
        padding: 5px 8px;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        -webkit-box-ordinal-group: 0;
        -ms-flex-order: -1;
        order: -1; /* Gambar di atas teks pada HP */
        margin-bottom: 20px;
    }
}