/* ==================== Global Styles ==================== */
:root {
    --primary-blue: #004AAD;
    --primary-blue-dark: #003A8C;
    --secondary-green: #00BF63;
    --secondary-orange: #FF954D;
    --dark-bg: #0A0E27;
    --dark-card: #1A1F3A;
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --gradient-primary: linear-gradient(135deg, #004AAD, #0066FF);
    --gradient-secondary: linear-gradient(135deg, #00BF63, #00E574);
    --gradient-accent: linear-gradient(135deg, #FF954D, #FFB366);
    --gradient-dark: linear-gradient(180deg, #0A0E27 0%, #151933 100%);
    --font-primary: 'Lato', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== Loading Screen ==================== */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

#loader.hide {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: 60px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
}

.loader-bar::before {
    content: '';
    display: block;
    height: 100%;
    width: 40%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: loader-slide 1.5s ease-in-out infinite;
}

@keyframes loader-slide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 39, 0.98);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-tag {
    font-size: 12px;
    background: rgba(0, 191, 99, 0.2);
    color: var(--secondary-green);
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 74, 173, 0.3);
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-dark);
}

.gradient-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 1;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--gradient-secondary);
    top: 50%;
    right: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--gradient-accent);
    bottom: -100px;
    left: 30%;
    animation-delay: 10s;
}

.orb-4 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #9B59B6, #B967E1);
    top: 30%;
    left: 50%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.05);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 191, 99, 0.2);
    color: var(--secondary-green);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 74, 173, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 74, 173, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== Phone Mockup ==================== */
.hero-visual {
    position: relative;
    animation: slideInRight 1s ease-out;
}

.phone-mockup {
    position: relative;
    width: 320px;
    height: 640px;
    margin: 0 auto;
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 10px;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 0 0 2px rgba(255, 255, 255, 0.1);
    transform: perspective(1000px) rotateY(-15deg);
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: perspective(1000px) rotateY(-15deg) translateY(0); }
    50% { transform: perspective(1000px) rotateY(-15deg) translateY(-20px); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #004AAD 0%, #0066FF 100%);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.app-header {
    display: flex;
    justify-content: space-between;
    padding: 10px 20px;
    color: white;
    font-size: 12px;
}

.app-status {
    display: flex;
    gap: 8px;
}

.app-content {
    padding: 20px;
    text-align: center;
}

.app-logo {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-blue);
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.app-content h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.tax-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.tax-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    color: #333;
}

.tax-amount {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}

.tax-progress {
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: 4px;
    transition: width 2s ease;
}

.tax-progress span {
    font-size: 12px;
    color: #666;
}

.app-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 12px 24px;
    border-radius: 25px;
}

.nav-icon {
    font-size: 20px;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.nav-icon.active {
    opacity: 1;
}

/* ==================== Floating Cards ==================== */
.floating-cards {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.float-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    padding: 12px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 18px;
}

.float-1 {
    top: 20%;
    left: -60px;
    animation: floatCard1 8s ease-in-out infinite;
}

.float-2 {
    top: 50%;
    right: -80px;
    animation: floatCard2 10s ease-in-out infinite;
}

.float-3 {
    bottom: 20%;
    left: -40px;
    animation: floatCard3 12s ease-in-out infinite;
}

@keyframes floatCard1 {
    0%, 100% { transform: translate(0, 0) rotate(-5deg); }
    50% { transform: translate(20px, -20px) rotate(5deg); }
}

@keyframes floatCard2 {
    0%, 100% { transform: translate(0, 0) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
}

@keyframes floatCard3 {
    0%, 100% { transform: translate(0, 0) rotate(-3deg); }
    50% { transform: translate(15px, -15px) rotate(3deg); }
}

/* ==================== Features Section ==================== */
.features {
    padding: 100px 0;
    background: var(--dark-bg);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out;
}

.section-badge {
    display: inline-block;
    background: rgba(0, 74, 173, 0.2);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--dark-card);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 74, 173, 0.5);
    box-shadow: 0 20px 40px rgba(0, 74, 173, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ==================== Tech Stack Section ==================== */
.tech-stack {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #0F1428 100%);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.tech-item {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.tech-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.tech-icon img,
.tech-icon svg {
    width: 36px;
    height: 36px;
}

.tech-item:hover .tech-icon {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.tech-item span {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.tech-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.tech-detail-card {
    background: var(--dark-card);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-detail-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.tech-detail-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== Screenshots Section ==================== */
.screenshots {
    padding: 100px 0;
    background: var(--dark-bg);
    overflow: hidden;
}

.screenshots-carousel {
    overflow-x: auto;
    padding: 20px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-blue) rgba(255, 255, 255, 0.1);
}

.screenshots-carousel::-webkit-scrollbar {
    height: 8px;
}

.screenshots-carousel::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.screenshots-carousel::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
}

.screenshot-container {
    display: flex;
    gap: 30px;
    padding: 0 20px;
}

.screenshot {
    flex-shrink: 0;
    text-align: center;
}

.screenshot img {
    width: 300px;
    height: 600px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.screenshot:hover img {
    transform: scale(1.05);
}

.screenshot-caption {
    margin-top: 16px;
    font-size: 16px;
    color: var(--text-secondary);
}

/* ==================== Metrics Section ==================== */
.metrics {
    padding: 100px 0;
    background: linear-gradient(180deg, #0F1428 0%, var(--dark-bg) 100%);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.metric-card {
    background: var(--dark-card);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.metric-value {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.metric-unit {
    font-size: 24px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.metric-label {
    margin-top: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

.metric-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 2s ease;
}

/* ==================== CTA Section ==================== */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== Footer ==================== */
.footer {
    padding: 60px 0 20px;
    background: #050815;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links h4,
.footer-tech h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-tech p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-secondary);
}

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        margin-top: 40px;
    }
    
    .floating-cards {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .phone-mockup {
        transform: scale(0.8);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
}

/* ==================== Scroll Reveal ==================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}