/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --border-color: #E5E7EB;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.floating-box {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    animation: float 20s infinite ease-in-out;
}

.floating-box:nth-child(1) {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    background: rgba(79, 70, 229, 0.2);
}

.floating-box:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    left: 20%;
    animation-delay: 2s;
    background: rgba(16, 185, 129, 0.2);
}

.floating-box:nth-child(3) {
    width: 180px;
    height: 180px;
    top: 30%;
    right: 15%;
    animation-delay: 4s;
    background: rgba(245, 158, 11, 0.2);
}

.floating-box:nth-child(4) {
    width: 120px;
    height: 120px;
    bottom: 20%;
    right: 25%;
    animation-delay: 6s;
    background: rgba(79, 70, 229, 0.15);
}

.floating-box:nth-child(5) {
    width: 160px;
    height: 160px;
    top: 70%;
    right: 10%;
    animation-delay: 8s;
    background: rgba(16, 185, 129, 0.15);
}

.floating-box:nth-child(6) {
    width: 140px;
    height: 140px;
    bottom: 10%;
    left: 15%;
    animation-delay: 10s;
    background: rgba(245, 158, 11, 0.15);
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, -50px) rotate(90deg);
    }
    50% {
        transform: translate(-30px, 30px) rotate(180deg);
    }
    75% {
        transform: translate(30px, 50px) rotate(270deg);
    }
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-img {
    width: 40px;
    height: 40px;
}

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

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

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

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s;
}

/* Hero Section */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--bg-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bg-white);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.feature-icon {
    font-size: 1.5rem;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

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

.btn-full {
    width: 100%;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Styles */
section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Why Choose Section */
.why-choose-section {
    background: var(--bg-white);
    position: relative;
    z-index: 1;
}

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

.feature-card-large {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card-large:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon-large {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card-large h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card-large p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Pricing Section */
.pricing-section {
    background: var(--bg-light);
    position: relative;
    z-index: 1;
}

.pricing-header {
    text-align: center;
    margin-bottom: 3rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-period {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-left: 0.5rem;
}

.pricing-savings {
    color: var(--secondary-color);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.pricing-features {
    flex: 1;
    margin-bottom: 2rem;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-feature:last-child {
    border-bottom: none;
}

.feature-check {
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.25rem;
}

.feature-cross {
    color: var(--text-light);
    font-weight: bold;
    font-size: 1.25rem;
}

/* Analytics Section */
.analytics-section {
    background: var(--bg-white);
    position: relative;
    z-index: 1;
}

.analytics-types {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.analytics-type-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.analytics-type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.analytics-type-header h3 {
    font-size: 2rem;
    color: var(--text-dark);
}

.analytics-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.analytics-badge.premium {
    background: var(--accent-color);
}

.analytics-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.analytics-image-placeholder {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-visualization {
    width: 100%;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 200px;
    gap: 1rem;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--primary-color), var(--primary-dark));
    border-radius: 4px 4px 0 0;
    min-width: 30px;
    animation: growBar 1s ease-out;
}

@keyframes growBar {
    from {
        height: 0;
    }
}

.chart-label {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

.ai-insights-visualization {
    width: 100%;
    position: relative;
    height: 200px;
}

.ai-pattern {
    position: relative;
    width: 100%;
    height: 100%;
}

.pattern-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    animation: pulse 2s infinite;
}

.pattern-line:nth-child(1) {
    width: 60%;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.pattern-line:nth-child(2) {
    width: 80%;
    top: 50%;
    left: 5%;
    animation-delay: 0.5s;
}

.pattern-line:nth-child(3) {
    width: 70%;
    top: 80%;
    left: 15%;
    animation-delay: 1s;
}

.pattern-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.pattern-dot:nth-child(4) {
    top: 15%;
    right: 20%;
    animation-delay: 0.3s;
}

.pattern-dot:nth-child(5) {
    top: 45%;
    right: 15%;
    animation-delay: 0.8s;
}

.pattern-dot:nth-child(6) {
    top: 75%;
    right: 25%;
    animation-delay: 1.3s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.analytics-features-list h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.25rem;
}

.analytics-features-list ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.analytics-features-list li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    line-height: 1.6;
}

.analytics-description {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
}

.analytics-hero {
    text-align: center;
    margin-bottom: 4rem;
}

.analytics-intro {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.analytics-intro h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.analytics-intro p {
    color: var(--text-dark);
    line-height: 1.8;
    font-size: 1.1rem;
}

.analytics-benefits {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.analytics-benefits h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.analytics-benefits p {
    color: var(--text-light);
    line-height: 1.8;
}

.analytics-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--bg-light);
    border-radius: 16px;
}

.analytics-cta h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.analytics-cta p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features-section {
    background: var(--bg-light);
    position: relative;
    z-index: 1;
}

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

.feature-detail-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.feature-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-detail-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-detail-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-detail-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: slideUp 0.3s;
}

.signup-modal-content {
    max-width: 500px;
}

.signup-modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.signup-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

.upgrade-modal-content {
    max-width: 600px;
}

.upgrade-modal-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.upgrade-subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 0.5rem;
    line-height: 1.6;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--text-dark);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.modal-buttons .btn {
    flex: 1;
}

/* Success Message */
.success-message {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--success-color);
    color: white;
    padding: 2rem 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    text-align: center;
    animation: slideUp 0.3s;
}

.success-message.show {
    display: block;
}

/* Profile Picture */
.profile-picture {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: var(--shadow-md);
}

.profile-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    z-index: 1000;
    overflow: hidden;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: background 0.3s;
    color: var(--text-dark);
    text-decoration: none;
    display: block;
}

.dropdown-item:hover {
    background: var(--bg-light);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Application Portal Styles */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.page-subtitle {
    color: var(--text-light);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h3 {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

.card-icon {
    font-size: 1.5rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.card-change {
    font-size: 0.875rem;
}

.card-change.positive {
    color: var(--success-color);
}

.card-change.warning {
    color: var(--warning-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .analytics-content {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .features-detailed-grid {
        grid-template-columns: 1fr;
    }
}