/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Fluorescent Colors */
    --neon-yellow: rgb(222, 242, 94);
    --neon-cyan: #00f5ff;
    --neon-pink: #ff00ff;
    --neon-green: #39ff14;
    --neon-purple: #bf00ff;
    --electric-blue: #0066ff;
    
    /* Dark Theme */
    --bg-primary: #0a0e27;
    --bg-secondary: #141b3a;
    --bg-card: rgba(20, 27, 58, 0.6);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-yellow) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--neon-purple) 0%, var(--electric-blue) 100%);
    --gradient-mesh: radial-gradient(at 20% 30%, rgba(0, 245, 255, 0.15) 0px, transparent 50%),
                     radial-gradient(at 80% 70%, rgba(222, 242, 94, 0.15) 0px, transparent 50%),
                     radial-gradient(at 50% 50%, rgba(191, 0, 255, 0.1) 0px, transparent 50%);
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 10px rgba(0, 245, 255, 0.5));
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--neon-yellow);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* ===== BUTTONS ===== */
.btn-primary {
    background: rgb(222, 242, 94);
    color: #0a0e27;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 0 20px rgba(222, 242, 94, 0.3),
                0 4px 12px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(222, 242, 94, 0.5),
                0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 1;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 245, 255, 0.2) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(222, 242, 94, 0.15) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(222, 242, 94, 0.1);
    border: 1px solid rgba(222, 242, 94, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--neon-yellow);
    margin-bottom: 1.5rem;
    box-shadow: 0 0 20px rgba(222, 242, 94, 0.2);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: gradient-shift 3s ease infinite;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 30px rgba(0, 245, 255, 0.2);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== PHONE MOCKUP ===== */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 320px;
    height: 650px;
    background: linear-gradient(145deg, #1a1f3a, #0f1729);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5),
                0 0 40px rgba(0, 245, 255, 0.2),
                inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    animation: float-phone 6s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1e2542 0%, #0d1126 100%);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.app-header {
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.time {
    font-size: 0.85rem;
    font-weight: 600;
}

.status-bar {
    width: 80px;
    height: 25px;
    background: #000;
    border-radius: 15px;
}

.app-content {
    padding: 1rem;
}

.greeting {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.balance-card {
    background: rgba(222, 242, 94, 0.1);
    border: 1px solid rgba(222, 242, 94, 0.3);
    border-radius: 20px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 30px rgba(222, 242, 94, 0.2);
}

.balance-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.balance-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-yellow);
    margin-bottom: 1rem;
}

.balance-chart {
    height: 60px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(222, 242, 94, 0.3) 20%, 
        rgba(222, 242, 94, 0.5) 40%, 
        rgba(222, 242, 94, 0.3) 60%, 
        rgba(222, 242, 94, 0.6) 80%, 
        rgba(222, 242, 94, 0.4) 100%);
    border-radius: 8px;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.action-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.action-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.action-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    background: rgba(20, 27, 58, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: float-card 4s ease-in-out infinite;
}

.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 15%;
    left: -15%;
    animation-delay: 2s;
}

.card-title {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--neon-cyan);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
                0 0 40px rgba(0, 245, 255, 0.15);
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(222, 242, 94, 0.5));
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CALCULATOR SECTION ===== */
.calculator-section {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.02);
}

.calculator-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.calculator-features {
    margin-top: 2rem;
}

.calc-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.check-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.calculator-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.calc-input-group {
    margin-bottom: 2rem;
}

.calc-label {
    display: block;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.calc-slider {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    outline: none;
    -webkit-appearance: none;
    margin-bottom: 0.5rem;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--neon-yellow);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(222, 242, 94, 0.5);
    transition: all 0.3s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 30px rgba(222, 242, 94, 0.8);
}

.calc-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--neon-yellow);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 20px rgba(222, 242, 94, 0.5);
}

.calc-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-yellow);
    text-align: right;
}

.calc-result {
    background: rgba(222, 242, 94, 0.05);
    border: 2px solid rgba(222, 242, 94, 0.2);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.result-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--neon-yellow);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 30px rgba(222, 242, 94, 0.3);
}

.result-breakdown {
    display: flex;
    justify-content: space-around;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.breakdown-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.breakdown-item span:first-child {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breakdown-item span:last-child {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neon-cyan);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 6rem 0;
}

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

.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s ease;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--neon-purple);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
                0 0 40px rgba(191, 0, 255, 0.15);
    transform: translateY(-10px);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.service-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 10px rgba(222, 242, 94, 0.5));
}

.service-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--neon-yellow);
    font-weight: 700;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 6rem 0;
    position: relative;
}

.cta-box {
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, rgba(222, 242, 94, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 32px;
    padding: 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(222, 242, 94, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.trust-badges {
    display: flex;
    gap: 2rem;
}

.badge-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== FOOTER ===== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-desc {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--neon-yellow);
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--neon-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-phone {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(2deg);
    }
}

@keyframes float-card {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .calculator-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}