/* ==========================================================================
   CSS Variables & Basic Setup
   ========================================================================== */
:root {
    --bg-dark: #0a0d14;
    --bg-darker: #05070a;
    --card-bg: rgba(20, 26, 38, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --gold: #e6c260;
    --gold-bright: #ffd700;
    --gold-glow: rgba(230, 194, 96, 0.25);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --green: #10b981;
    --red: #ef4444;
    --radius-lg: 20px;
    --radius-md: 12px;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Glow Background Effects */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
}
.glow-1 {
    top: -100px;
    right: -100px;
    background: radial-gradient(circle, rgba(230, 194, 96, 0.15), transparent 70%);
}
.glow-2 {
    top: 600px;
    left: -150px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1), transparent 70%);
}

/* Helpers & Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-green { color: var(--green); }
.bg-darker { background-color: var(--bg-darker); }

.grid {
    display: grid;
    gap: 2rem;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Glassmorphism Card Style */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--gold), #b89335);
    color: #000;
    box-shadow: 0 10px 20px var(--gold-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px var(--gold-glow);
}
.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--card-border);
}
.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--gold);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(20px);
    background: rgba(10, 13, 20, 0.8);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.brand-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
}
.brand-logo span { color: var(--gold); }
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}
.nav-links a:hover { color: var(--gold); }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: 160px 0 100px;
}
.hero-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}
.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(230, 194, 96, 0.1);
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}
.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}
.hero-title span {
    background: linear-gradient(135deg, #fff, var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}
.hero-stats {
    display: flex;
    gap: 2.5rem;
    border-top: 1px solid var(--card-border);
    padding-top: 1.5rem;
}
.stat-item h4 {
    font-size: 1.5rem;
    color: var(--gold);
}
.stat-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Trading Card Visual */
.trading-card {
    border-top: 2px solid var(--gold);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.badge-live {
    background: rgba(16, 185, 129, 0.1);
    color: var(--green);
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}
.status-online {
    font-size: 0.8rem;
    color: var(--green);
}
.metric-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.metric-row .value {
    font-size: 1.5rem;
    font-weight: 700;
}
.chart-box {
    margin: 1.5rem 0;
}
.chart-svg {
    width: 100%;
    height: 100px;
}
.trade-feed {
    background: rgba(0,0,0,0.3);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}
.feed-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.buy-tag {
    background: var(--green);
    color: #000;
    font-weight: bold;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

/* ==========================================================================
   Sections General
   ========================================================================== */
.section {
    padding: 100px 0;
}
.section-title {
    margin-bottom: 4rem;
}
.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}
.section-title p {
    color: var(--text-muted);
}

/* Cards & Features */
.feature-card {
    position: relative;
    transition: transform 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
}
.step-num {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255,255,255,0.05);
}
.icon-box {
    width: 50px;
    height: 50px;
    background: rgba(230, 194, 96, 0.1);
    color: var(--gold);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}
.benefit-icon {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

/* Calculator Section */
.calculator-card {
    max-width: 900px;
    margin: 0 auto;
}
.calc-header {
    margin-bottom: 2rem;
    text-align: center;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-sans);
}
.range-slider {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.slider-val {
    font-weight: bold;
    color: var(--gold);
}
.calc-results {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(0,0,0,0.2);
    padding: 2rem;
    border-radius: var(--radius-md);
}
.result-box {
    margin-bottom: 1.5rem;
}
.result-box h3 {
    font-size: 2rem;
    color: var(--gold);
}
.calc-note {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Performance Table */
.table-container {
    overflow-x: auto;
}
.performance-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.performance-table th, .performance-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--card-border);
}
.performance-table th {
    color: var(--gold);
    font-family: var(--font-heading);
}
.roi-val {
    color: var(--green);
    font-weight: 600;
}
.dd-val {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Footer / CTA */
.footer-cta {
    max-width: 1000px; /* Diperlebar agar 3 kolom muat leluasa tanpa empet-empetan */
    margin: 0 auto;
}

.contact-links {
    margin: 2.5rem 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 kolom sejajar di desktop */
    gap: 1.25rem;
}

.contact-card {
    display: flex;
    align-items: center;
    justify-content: center; /* Konten langsung di tengah kartu */
    gap: 0.85rem;
    background: rgba(15, 23, 42, 0.6);
    padding: 1.25rem 1rem;
    border-radius: 14px;
    text-decoration: none;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card:hover {
    border-color: var(--gold, #e6c260);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(230, 194, 96, 0.15);
    background: rgba(20, 30, 50, 0.8);
}

.contact-card i {
    font-size: 1.4rem;
    color: var(--gold, #e6c260);
    flex-shrink: 0;
}

.contact-card div {
    display: flex;
    align-items: center;
    min-width: 0;
}

.contact-card strong {
    font-size: 0.88rem; /* Ukuran pas agar teks email panjang tidak off-screen */
    font-weight: 600;
    color: #f8fafc;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.footer-quote {
    font-style: italic;
    color: var(--text-muted);
    margin-top: 2rem;
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    
    /* Otomatis berubah jadi 1 kolom tumpuk saat diakses via HP */
    .contact-links {
        grid-template-columns: 1fr;
    }
}