:root {
    /* Tema Gelap (Default) */
    --primary: #0047FF;
    --primary-dark: #050B14;
    --secondary: #00F0FF;
    --accent: #7000FF;
    --text-light: #E2E8F0;
    --text-muted: #94A3B8;
    --text-heading: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-glow: rgba(0, 240, 255, 0.2);
    --nav-bg: rgba(5, 11, 20, 0.85);
    --footer-bg: #02060c;
    --card-shadow: rgba(0, 0, 0, 0.5);
    --btn-text: #FFFFFF;
    --marquee-text: #050B14;
}

/* Tema Terang */
body.light-mode {
    --primary: #4318FF; /* Deep modern purple/blue */
    --primary-dark: #F4F7FE; /* Clean light grey/blue background */
    --secondary: #4318FF; /* High contrast */
    --accent: #01B574; /* Green accent */
    --text-light: #2B3674; /* Dark blue-grey for body text */
    --text-muted: #A3AED0; /* Muted text */
    --text-heading: #2B3674; /* Dark blue-grey for headings */
    --glass-bg: #FFFFFF; /* Solid white for cards/sidebar in light mode */
    --glass-border: #E9EDF7;
    --glass-glow: rgba(67, 24, 255, 0.15);
    --nav-bg: #FFFFFF;
    --footer-bg: #FFFFFF;
    --card-shadow: rgba(112, 144, 176, 0.15);
    --btn-text: #FFFFFF;
    --marquee-text: #F4F7FE;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none !important;
}

/* Custom Cursor V2 */
.cursor-inner {
    position: fixed;
    top: 0; left: 0;
    width: 6px; height: 6px;
    background-color: var(--secondary);
    border-radius: 50%;
    z-index: 9999;
    pointer-events: none;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--secondary);
    transition: background-color 0.3s;
}
.cursor-outer {
    position: fixed;
    top: 0; left: 0;
    width: 36px; height: 36px;
    border: 1px solid var(--primary);
    border-radius: 50%;
    z-index: 9998;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background-color 0.3s, border-color 0.3s;
    mix-blend-mode: exclusion;
    background-color: rgba(0, 163, 255, 0.05);
}
body.light-mode .cursor-outer {
    mix-blend-mode: normal;
}
body.hovering .cursor-outer {
    width: 60px; height: 60px;
    background-color: var(--text-heading);
    border-color: transparent;
    mix-blend-mode: difference;
}
body.light-mode.hovering .cursor-outer {
    background-color: rgba(0, 163, 255, 0.2);
    mix-blend-mode: normal;
}
body.hovering .cursor-inner {
    opacity: 0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 71, 255, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 163, 255, 0.15), transparent 25%);
    background-attachment: fixed;
    transition: background-color 0.5s ease, color 0.5s ease;
}

h1, h2, h3, h4, h5, h6, .brand {
    font-family: 'Outfit', sans-serif;
    color: var(--text-heading);
    transition: color 0.5s ease;
}

/* Logo Theme Adaptation */
img[src*="logo.png"] {
    transition: filter 0.3s ease;
}
body:not(.light-mode) img[src*="logo.png"] {
    filter: brightness(0) invert(1) !important;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Theme Toggle Button */
.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: var(--text-heading);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}
body.light-mode .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
}
.theme-toggle:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
    border-color: var(--primary);
}
.theme-toggle .fa-moon { display: none; }
body.light-mode .theme-toggle .fa-sun { display: none; }
body.light-mode .theme-toggle .fa-moon { display: block; }

/* Preloader */
#preloader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100vh;
    background: var(--primary-dark);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.5s ease;
}
.loader-brand {
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-heading);
    letter-spacing: 2px;
    overflow: hidden;
}
.loader-brand span { color: var(--secondary); }
.loader-bar {
    position: absolute;
    bottom: 40%;
    width: 0%;
    height: 2px;
    background: var(--secondary);
    box-shadow: 0 0 15px var(--secondary);
}

.container { max-width: 1300px; margin: 0 auto; padding: 0 2rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: 100px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-glow {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--btn-text);
    border: none;
    box-shadow: 0 0 20px var(--glass-glow);
}
.btn-glow::before {
    content: '';
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    z-index: -1;
    transition: opacity 0.4s;
    opacity: 0;
}
.btn-glow:hover::before { opacity: 1; }
.btn-glow:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 71, 255, 0.4);
    color: white;
}

.btn-border {
    background: transparent;
    color: var(--text-heading);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}
.btn-border:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background: rgba(0, 163, 255, 0.05);
    box-shadow: inset 0 0 20px rgba(0, 163, 255, 0.1);
}

/* Navbar */
#navbar {
    position: fixed; top: 0; left: 0; width: 100%;
    padding: 1.5rem 0; z-index: 1000;
    transition: all 0.5s ease;
    border-bottom: 1px solid transparent;
}
#navbar.scrolled {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 2rem; font-weight: 900; letter-spacing: -1px; color: var(--text-heading); }
.logo span { color: var(--secondary); text-shadow: 0 0 15px var(--glass-glow); }
.nav-links { display: flex; gap: 3rem; align-items: center; }
.nav-links a {
    font-size: 0.9rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
    position: relative; padding: 0.5rem 0; transition: color 0.3s;
    color: var(--text-heading);
}
.nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0%; height: 2px;
    background: var(--secondary); transition: width 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 0 10px var(--secondary);
}
.nav-links a:hover { color: var(--secondary); }
.nav-links a:hover::after { width: 100%; }

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center;
    padding-top: 100px;
}
.hero-bg-animated {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; overflow: hidden;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: orbFloat 20s infinite alternate ease-in-out;
}
body.light-mode .orb { opacity: 0.03; }
.orb-1 { width: 40vw; height: 40vw; background: var(--primary); top: -10%; left: -10%; }
.orb-2 { width: 30vw; height: 30vw; background: var(--accent); bottom: -10%; right: -5%; animation-delay: -5s; }
.orb-3 { width: 25vw; height: 25vw; background: var(--secondary); top: 30%; left: 40%; animation-duration: 25s; opacity: 0.3; }

@keyframes orbFloat {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    50% { transform: translate(100px, 50px) rotate(180deg) scale(1.2); }
    100% { transform: translate(-50px, 150px) rotate(360deg) scale(0.9); }
}

.hero-content { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 5rem; align-items: center; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 163, 255, 0.1);
    border: 1px solid rgba(0, 163, 255, 0.3);
    border-radius: 100px;
    font-size: 0.85rem; font-weight: 600; letter-spacing: 2px;
    text-transform: uppercase; color: var(--secondary);
    margin-bottom: 2rem;
    box-shadow: inset 0 0 20px rgba(0, 163, 255, 0.05);
    opacity: 0; transform: translateY(20px);
}
.hero-badge i { font-size: 1rem; animation: pulse 2s infinite; }

@keyframes pulse {
    0% { text-shadow: 0 0 0 var(--secondary); }
    50% { text-shadow: 0 0 15px var(--secondary); }
    100% { text-shadow: 0 0 0 var(--secondary); }
}

.hero-title {
    font-size: 4.8rem; font-weight: 900; line-height: 1.1; margin-bottom: 1.5rem;
}
.hero-title .line { overflow: hidden; display: block; padding-bottom: 5px; }
.hero-title .line span { display: inline-block; transform: translateY(100%); }
.text-gradient {
    background: linear-gradient(to right, var(--text-heading), var(--secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.25rem; color: var(--text-muted); margin-bottom: 3rem; max-width: 550px;
    line-height: 1.8; opacity: 0;
}

.hero-btns { display: flex; gap: 1.5rem; opacity: 0; }

/* 3D Glass Card */
.hero-visual { position: relative; perspective: 1000px; }
.glass-card-3d {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 3rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px var(--card-shadow), inset 0 0 0 1px rgba(255,255,255,0.1);
    transform-style: preserve-3d;
    opacity: 0;
    transition: background 0.5s, border-color 0.5s;
}
.glass-card-3d::before {
    content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0; transition: opacity 0.3s; pointer-events: none; transform: translateZ(1px);
}
.glass-card-3d:hover::before { opacity: 1; }

.card-inner { transform: translateZ(50px); }
.status-dot {
    display: inline-block; width: 10px; height: 10px; border-radius: 50%;
    background: var(--secondary); box-shadow: 0 0 10px var(--secondary);
    margin-right: 8px;
}
.card-tag {
    display: inline-flex; align-items: center;
    background: rgba(0, 163, 255, 0.15); padding: 0.5rem 1rem; border-radius: 8px;
    color: var(--secondary); font-size: 0.85rem; font-weight: 700; margin-bottom: 1.5rem;
}
.card-title { font-size: 1.8rem; font-weight: 800; color: var(--text-heading); margin-bottom: 1rem; }
.card-price { font-size: 2.5rem; font-weight: 900; color: var(--text-heading); margin: 1.5rem 0; display: flex; align-items: baseline; gap: 5px; }
.card-price span { font-size: 1rem; color: var(--text-muted); font-weight: 500; }

.floating-element {
    position: absolute; background: var(--nav-bg); backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border); border-radius: 15px; padding: 1rem;
    display: flex; align-items: center; gap: 1rem;
    box-shadow: 0 15px 35px var(--card-shadow);
    transform: translateZ(80px);
    color: var(--text-heading);
    transition: background 0.5s, border-color 0.5s;
}
.fe-1 { top: -20px; right: -40px; animation: floatObj 6s infinite ease-in-out; }
.fe-2 { bottom: -30px; left: -30px; animation: floatObj 7s infinite ease-in-out reverse; }

@keyframes floatObj {
    0%, 100% { transform: translateZ(80px) translateY(0); }
    50% { transform: translateZ(80px) translateY(-15px); }
}

/* Marquee */
.marquee-wrapper {
    background: var(--primary);
    padding: 1.5rem 0; overflow: hidden;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    transform: rotate(-2deg) scale(1.05);
    margin: 5rem 0;
    box-shadow: 0 0 40px rgba(0, 71, 255, 0.2);
}
.marquee { display: flex; white-space: nowrap; animation: marquee 30s linear infinite; }
.marquee span {
    font-size: 1.8rem; font-weight: 800; text-transform: uppercase; font-family: 'Outfit';
    margin: 0 2rem; color: var(--marquee-text);
    display: flex; align-items: center; gap: 1rem;
}
.marquee span i { color: var(--secondary); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Features Section */
.features { padding: 10rem 0; position: relative; }
.section-header { text-align: center; margin-bottom: 6rem; }
.section-title { font-size: 3.5rem; font-weight: 900; margin-bottom: 1.5rem; }
.section-title span { color: var(--secondary); }
.section-desc { font-size: 1.2rem; color: var(--text-muted); max-width: 700px; margin: 0 auto; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.feature-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: 24px; padding: 3rem 2rem;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative; overflow: hidden;
    opacity: 0; transform: translateY(50px);
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at top right, rgba(0,163,255,0.1), transparent 70%);
    opacity: 0; transition: opacity 0.5s; pointer-events: none;
}
.feature-card:hover { transform: translateY(-15px); border-color: rgba(0,163,255,0.3); box-shadow: 0 20px 40px var(--card-shadow); }
.feature-card:hover::before { opacity: 1; }

.f-icon {
    width: 70px; height: 70px; background: rgba(0,71,255,0.1); border-radius: 20px;
    display: flex; align-items: center; justify-content: center; font-size: 2rem;
    color: var(--secondary); margin-bottom: 2rem; border: 1px solid rgba(0,163,255,0.2);
    transition: all 0.5s;
}
.feature-card:hover .f-icon { background: var(--primary); color: white; transform: rotate(10deg) scale(1.1); box-shadow: 0 10px 20px rgba(0,71,255,0.3); }
.f-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-heading); }
.f-desc { color: var(--text-muted); line-height: 1.7; }

/* Stats */
.stats-wrap {
    padding: 5rem 0; border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border);
    background: linear-gradient(90deg, rgba(255,255,255,0.01), rgba(0,163,255,0.03), rgba(255,255,255,0.01));
}
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; text-align: center; gap: 3rem; }
.stat-box .num { font-size: 4.5rem; font-weight: 900; background: linear-gradient(to bottom, var(--text-heading), var(--text-muted)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; margin-bottom: 0.5rem; font-family: 'Outfit'; }
.stat-box .label { font-size: 1.1rem; font-weight: 600; color: var(--secondary); text-transform: uppercase; letter-spacing: 2px; }

/* CTA */
.cta-area { padding: 12rem 0; position: relative; text-align: center; }
.cta-glow {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 60vw; height: 60vw; background: radial-gradient(circle, rgba(0,71,255,0.1) 0%, transparent 60%);
    z-index: -1; pointer-events: none;
}
.cta-title { font-size: 4rem; font-weight: 900; margin-bottom: 2rem; }
.cta-title span { font-style: italic; color: var(--secondary); }

/* Footer */
footer { padding: 5rem 0 2rem; border-top: 1px solid var(--glass-border); background: var(--footer-bg); transition: background 0.5s; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.f-logo { font-size: 2.5rem; font-weight: 900; color: var(--text-heading); margin-bottom: 1.5rem; display: block; }
.f-logo span { color: var(--secondary); }
.socials { display: flex; gap: 1rem; margin-top: 2rem; }
.socials a { width: 45px; height: 45px; border-radius: 50%; background: var(--glass-bg); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: 0.3s; border: 1px solid var(--glass-border); color: var(--text-heading); }
.socials a:hover { background: rgba(0,163,255,0.1); border-color: var(--secondary); color: var(--secondary); transform: translateY(-5px); }
.f-heading { color: var(--text-heading); font-size: 1.2rem; font-weight: 700; margin-bottom: 1.5rem; }
.f-links li { margin-bottom: 1rem; }
.f-links a { color: var(--text-muted); transition: 0.3s; font-weight: 500; }
.f-links a:hover { color: var(--secondary); padding-left: 5px; }

@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; padding-top: 50px; }
    .hero-badge { margin: 0 auto 2rem; }
    .hero-desc { margin: 0 auto 3rem; }
    .hero-btns { justify-content: center; }
    .hero-visual { max-width: 500px; margin: 4rem auto 0; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .hero-title { font-size: 3.5rem; }
    .nav-links { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .marquee span { font-size: 1.2rem; }
    .stat-box .num { font-size: 3.5rem; }
}