/* /assets/css/landing-style.css - Versi Tema Terang (Light Mode) */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&family=Poppins:wght@400;600;700&display=swap');

/* --- Variabel Warna Tema Terang --- */
:root {
    /* Warna Primer & Aksen */
    --blue-primary: #007aff;
    --blue-dark: #0056b3;
    --blue-light-bg: #f0f8ff; /* Latar belakang biru sangat terang */

    /* Warna Teks & Latar Belakang */
    --text-dark: #1d2d35;      /* Hitam lembut */
    --text-medium: #5a6a72;    /* Abu-abu untuk teks sekunder */
    --text-light: #ffffff;     /* Putih untuk teks di atas background berwarna */
    --bg-white: #ffffff;       /* Putih bersih untuk kartu */
    --bg-light-grey: #f8f9fa;  /* Abu-abu sangat terang untuk latar belakang utama */

    /* Shadow */
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* --- Global & Body --- */
.landing-body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light-grey);
    color: var(--text-dark);
    margin: 0;
    overflow-x: hidden;
}

/* --- Navigasi --- */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: background-color 0.3s, box-shadow 0.3s;
}
.landing-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.landing-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: color 0.3s;
}
.landing-logo:hover { color: var(--blue-primary); }
.landing-logo i { color: var(--blue-primary); font-size: 1.8rem; transition: transform 0.3s ease-in-out; }
.landing-logo:hover i { transform: rotate(15deg) scale(1.1); }

.nav-links a { color: var(--text-medium); text-decoration: none; margin-left: 2.5rem; font-weight: 600; transition: color 0.2s; }
.nav-links a:hover { color: var(--blue-primary); }
.nav-cta {
    background-color: var(--blue-primary);
    color: var(--text-light);
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.2);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 6px 20px rgba(0, 122, 255, 0.3); }

/* --- Hero Section --- */
.hero-section {
    position: relative;
    height: 100vh;
    background: linear-gradient(160deg, var(--bg-white) 0%, var(--blue-light-bg) 100%);
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
#hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.hero-content { position: relative; z-index: 2; padding: 0 1rem; animation: fadeInUp 1s ease-out; }
.hero-tagline { color: var(--blue-primary); font-weight: 700; margin-bottom: 1rem; letter-spacing: 1px; }
.hero-title { font-family: 'Orbitron', sans-serif; font-size: clamp(3rem, 7vw, 5.5rem); line-height: 1.1; margin-bottom: 1.5rem; }
.hero-subtitle { font-size: clamp(1.1rem, 2.5vw, 1.3rem); max-width: 700px; margin: 0 auto 3rem; color: var(--text-medium); }
.hero-cta-btn {
    background: var(--blue-primary);
    color: var(--text-light);
    font-size: 1.2rem;
    font-weight: 700;
    padding: 1.2rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}
.hero-cta-btn:hover { transform: translateY(-5px) scale(1.05); box-shadow: 0 15px 25px -5px rgba(0, 122, 255, 0.3); }

/* /assets/css/landing-style.css -> Tambahkan ini */

/* --- Stats Section --- */
.stats-section {
    background-color: var(--bg-white);
    padding: 3rem 2rem;
    border-bottom: 1px solid #e5e5ea;
}
.stats-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}
.stat-item {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    text-align: left;
}
.stat-item i {
    font-size: 3rem;
    color: var(--blue-primary);
}
.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}
.stat-label {
    font-size: 1rem;
    color: var(--text-medium);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }
    .stat-item {
        justify-content: flex-start;
    }
}

/* --- Sections --- */
.content-section { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-family: 'Orbitron', sans-serif; font-size: 3rem; margin-bottom: 1rem; }
.section-header p { font-size: 1.1rem; color: var(--text-medium); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid #e5e5ea;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.feature-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: var(--blue-primary); }
.feature-icon { font-size: 3rem; color: var(--blue-primary); margin-bottom: 1.5rem; }
.feature-card h3 { margin-bottom: 0.5rem; font-size: 1.5rem; color: var(--text-dark); }
.feature-card p { color: var(--text-medium); }

/* --- Visualizer Section --- */
.visualizer-section { background-color: var(--bg-white); padding-bottom: 8rem; }
.visualizer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.visualizer-text h2 { color: var(--text-dark); }
.visualizer-text p { color: var(--text-medium); margin-bottom: 2rem; }
.visualizer-text ul { list-style: none; padding: 0; }
.visualizer-text li { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.visualizer-text li i { color: var(--blue-primary); font-size: 1.2rem; }
.visualizer-canvas-wrapper {
    background: var(--blue-light-bg);
    border: 1px solid #e0e6f0;
    border-radius: 16px;
    padding: 1rem;
    aspect-ratio: 4 / 3;
}
#visualizer-canvas { width: 100%; height: 100%; }

/* --- Final CTA --- */
.final-cta {
    background: linear-gradient(160deg, var(--blue-primary) 0%, var(--blue-dark) 100%);
    color: var(--text-light);
    text-align: center;
    border-radius: 20px;
    padding: 4rem 2rem;
}
.final-cta h2 { color: var(--text-light); }
.final-cta p { color: var(--text-light); opacity: 0.8; }

/* --- Animasi --- */
.fade-in-section { opacity: 0; transform: translateY(50px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in-section.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* --- Responsivitas --- */
@media (max-width: 900px) {
    .visualizer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
}