/*
=================================================
  PANEL KONTROL TEMA (Edit bagian di bawah ini)
=================================================
*/
/* Import Font Bersih & Modern */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;800&display=swap');

:root {
    /* Ganti Skema Warna (Tema Tech/Aplikasi) */
    --warna-aksen-start: #007AFF;  /* Biru Apple */
    --warna-aksen-end: #00C6FF;    /* Biru Cerah */
    --warna-latar: #ffffff;
    --warna-permukaan: #f9f9f9;
    
    /* Warna Teks */
    --warna-teks-gelap: #222;
    --warna-teks-terang: #666;
    
    /* Font */
    --font-utama: 'Nunito', sans-serif;
    
    --border-radius: 10px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}
/* =============================================== */
/* Akhir dari Panel Kontrol */
/* =============================================== */

/* --- Reset & Global --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-utama);
    font-size: 16px;
    line-height: 1.7;
    background-color: var(--warna-latar);
    color: var(--warna-teks-terang);
    overflow-x: hidden;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; height: auto; }
section { padding: 80px 0; }
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--warna-teks-gelap);
    text-align: center;
    margin-bottom: 50px;
}

/* --- Animasi Fade-in --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Teks Gradient --- */
.gradient-text {
    background: linear-gradient(90deg, var(--warna-aksen-start), var(--warna-aksen-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Header --- */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    position: sticky; top: 0; z-index: 100;
}
.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.6rem; font-weight: 800; color: var(--warna-teks-gelap); text-decoration: none; }
.nav-menu { list-style: none; display: flex; align-items: center; gap: 30px; }
.nav-link { text-decoration: none; color: var(--warna-teks-terang); font-weight: 700; transition: color 0.3s; }
.nav-link:hover { color: var(--warna-aksen-start); }
.cta-button-nav {
    background: var(--warna-aksen-start);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 50px;
}
.cta-button-nav:hover { color: #fff !important; opacity: 0.85; }
.hamburger { display: none; cursor: pointer; background: none; border: none; flex-direction: column; gap: 5px; }
.hamburger .bar { display: block; width: 25px; height: 3px; background-color: var(--warna-teks-gelap); transition: all 0.3s ease-in-out; }

/* --- Hero Section --- */
.hero { padding-top: 60px; padding-bottom: 60px; }
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}
.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--warna-teks-gelap);
    line-height: 1.3;
    margin-bottom: 20px;
}
.hero-text .subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
}
.hero-image img {
    /* Animasi mockup 'melayang' */
    animation: float 4s ease-in-out infinite;
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* --- Tombol Download Store --- */
.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.store-button {
    text-decoration: none;
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s ease;
}
.store-button:hover {
    transform: scale(1.05);
}
.store-button span {
    font-size: 0.8rem;
    display: block;
    line-height: 1;
}
.store-button strong {
    font-size: 1.1rem;
    display: block;
    line-height: 1;
    font-weight: 700;
}
/* Tambahkan ikon (dari font) */
.store-button.app-store::before {
    content: ''; /* Logo Apple (bisa diganti ikon SVG) */
    font-size: 2rem;
}
.store-button.google-play::before {
    content: '►'; /* Logo Google Play (bisa diganti ikon SVG) */
    font-size: 1.5rem;
    transform: scaleX(0.8) translateY(-1px);
}

/* --- How it Works Section --- */
.how-it-works { background-color: var(--warna-permukaan); }
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}
.step-card {
    background: var(--warna-latar);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}
.step-card span {
    font-size: 2rem;
    font-weight: 800;
    color: var(--warna-aksen-start);
    background: linear-gradient(90deg, var(--warna-aksen-start), var(--warna-aksen-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 10px;
}
.step-card h3 {
    font-size: 1.4rem;
    color: var(--warna-teks-gelap);
    margin-bottom: 10px;
}

/* --- Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}
.feature-item span { /* Emoji Ikon */
    font-size: 2.5rem;
    margin-top: -5px;
}
.feature-item h3 {
    font-size: 1.3rem;
    color: var(--warna-teks-gelap);
    margin-bottom: 5px;
}

/* --- CTA Parallax Section --- */
.cta-parallax {
    padding: 100px 0;
    text-align: center;
    color: #fff;
    
    /* GANTI GAMBAR LATAR ANDA */
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    
    /* EFEK PARALLAX SEDERHANA */
    background-attachment: fixed; 
}
.cta-content h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 15px;
}
.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}
.cta-parallax .download-buttons {
    justify-content: center;
}
.cta-parallax .store-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #fff;
}
.cta-parallax .store-button:hover {
    background: #fff;
    color: #000;
}

/* --- Footer --- */
.footer {
    background-color: var(--warna-permukaan);
    color: var(--warna-teks-terang);
    text-align: center;
    padding: 40px 0;
    margin-top: 0;
    border-top: 1px solid #eee;
}

/* --- Media Query (Mobile) --- */
@media (max-width: 768px) {
    section { padding: 60px 0; }
    .nav-menu {
        position: fixed; top: 81px; left: -100%;
        background-color: var(--warna-latar);
        flex-direction: column; width: 100%;
        height: calc(100vh - 81px);
        padding: 40px; gap: 30px; transition: left 0.3s ease-in-out;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    .nav-menu.active { left: 0; }
    .nav-link { font-size: 1.2rem; }
    .hamburger { display: flex; }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .hero-split { grid-template-columns: 1fr; text-align: center; }
    .hero-image { order: -1; margin-bottom: 30px; }
    .hero-image img { max-width: 300px; margin: 0 auto; }
    .hero-text h1 { font-size: 2.5rem; }
    .download-buttons { justify-content: center; }
    
    .steps-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .feature-item { text-align: left; }
}