@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Colors */
    --bg-primary: #090d16;
    --bg-secondary: #111827;
    --bg-card: #1f2937;
    --bg-card-hover: #2d3748;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.15);
    
    --secondary: #14b8a6;
    --secondary-hover: #0d9488;
    --secondary-glow: rgba(20, 184, 166, 0.15);

    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Shadows & Glows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --card-glow: 0 0 25px rgba(99, 102, 241, 0.03);
    
    /* Layout Constants */
    --max-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1.25rem; color: var(--text-secondary); font-size: 1rem; }
strong { color: var(--text-primary); font-weight: 600; }
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--primary-hover);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Layout Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.site-header.scrolled {
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 800;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary) !important;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.nav-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 5rem 0 6rem;
    background: radial-gradient(circle at 70% 30%, var(--primary-glow), transparent 45%),
                radial-gradient(circle at 10% 80%, var(--secondary-glow), transparent 45%);
    border-bottom: 1px solid var(--border-color);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-glow);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    color: var(--text-primary);
}

.btn-secondary {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* Mock Card Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.prepaid-card-mockup {
    width: 380px;
    height: 240px;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 40%, #4f46e5 100%);
    border-radius: 16px;
    padding: 1.8rem;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 40px rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.prepaid-card-mockup:hover {
    transform: rotate3d(1, 1, 0, 10deg) scale(1.03);
}

.card-mesh {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.15;
    background-image: radial-gradient(circle at 20% 30%, #fff 1px, transparent 1px), radial-gradient(circle at 75% 60%, #fff 1px, transparent 1px);
    background-size: 20px 20px;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 1;
}

.card-chip {
    width: 45px;
    height: 35px;
    background: linear-gradient(135deg, #ffd700 0%, #cca300 100%);
    border-radius: 6px;
    position: relative;
}

.card-chip::after {
    content: '';
    position: absolute;
    border: 1px solid rgba(0,0,0,0.2);
    top: 10%; left: 10%; right: 10%; bottom: 10%;
    border-radius: 4px;
}

.card-brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: rgba(255,255,255,0.9);
    font-family: var(--font-heading);
    font-style: italic;
}

.card-middle {
    z-index: 1;
    margin: 1.5rem 0;
}

.card-number {
    font-size: 1.4rem;
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 2px;
    word-spacing: 4px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.card-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    z-index: 1;
}

.card-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
}

.card-val {
    font-size: 0.9rem;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
}

/* Feature/Content Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-title-wrap {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}

.section-title {
    font-size: 2.25rem;
    position: relative;
    display: inline-block;
    padding-bottom: 0.75rem;
    border-bottom: none;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Content Layout (Article + Sidebar) */
.page-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 3.5rem;
}

.main-content {
    min-width: 0; /* Prevents overflow issues */
}

/* Sidebar styling */
.sidebar {
    position: sticky;
    top: 6rem;
    height: fit-content;
}

.sidebar-widget {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget-title {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quick-link-item a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.quick-link-item a:hover {
    color: var(--primary);
    padding-left: 5px;
}

/* Content cards / Info grids */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), var(--card-glow);
    border-color: var(--border-hover);
}

.info-card:hover::before {
    opacity: 1;
}

.info-card-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--primary-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-card-title {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

/* Steps Timeline */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    margin: 2rem 0;
    padding-left: 1rem;
}

.steps-list::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 1rem;
    bottom: 1rem;
    width: 2px;
    background: var(--border-color);
}

.step-item {
    display: flex;
    gap: 2rem;
    position: relative;
}

.step-num {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
    z-index: 1;
}

.step-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    flex-grow: 1;
}

.step-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

/* FAQ Accordion styling */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.faq-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
    color: var(--text-secondary);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--primary-glow);
}

.faq-item.active .faq-question {
    color: var(--primary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    padding-bottom: 1.5rem;
}

/* Interactive Widget Simulator styling */
.balance-widget {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.widget-step {
    display: none;
}

.widget-step.active {
    display: block;
    animation: fadeIn 0.4s ease-in-out;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.widget-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    display: none;
}

.widget-alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    display: block;
}

.widget-result-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-color);
}

.result-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-label {
    color: var(--text-secondary);
}

.result-value {
    font-weight: 600;
}

.result-value.success {
    color: var(--success);
}

/* Callouts / Warnings (E-E-A-T Disclaimers) */
.disclaimer-banner {
    background-color: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-left: 4px solid var(--warning);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
}

.disclaimer-banner p {
    color: #fcd34d;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Contact form */
.contact-form {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

/* Footer styling */
.site-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.9rem;
    max-width: 350px;
}

.footer-heading {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.footer-disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    max-width: 900px;
    line-height: 1.5;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Animation utilities */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .page-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.75rem; }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .hero-badge {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .prepaid-card-mockup {
        width: 100%;
        max-width: 360px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 4.5rem;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
        flex-direction: column;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}