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

:root {
    --primary-blue: #0066FF;
    --success-green: #22C55E;
    --error-red: #EF4444;
    --neutral-gray: #F8FAFC;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --gradient-start: #0066FF;
    --gradient-end: #0052CC;
    --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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: -0.5px;
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 15px;
}

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

.btn-nav {
    background: var(--primary-blue);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: var(--gradient-end);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.language-selector {
    display: flex;
    align-items: center;
}

.language-dropdown {
    padding: 8px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--white);
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231F2937' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.language-dropdown:hover {
    border-color: var(--primary-blue);
}

.language-dropdown:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -1px;
}

.hero-description {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

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

.stat-number {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.preview-header {
    background: var(--neutral-gray);
    padding: 12px 16px;
    display: flex;
    gap: 8px;
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #CBD5E1;
}

.preview-content {
    display: flex;
    height: 400px;
}

.preview-sidebar {
    width: 80px;
    background: #F1F5F9;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preview-item {
    height: 40px;
    background: #CBD5E1;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.preview-item.active {
    background: var(--primary-blue);
}

.preview-main {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.preview-card {
    background: var(--neutral-gray);
    border-radius: 12px;
    padding: 20px;
    flex: 1;
}

.preview-card-header {
    height: 24px;
    background: #CBD5E1;
    border-radius: 6px;
    margin-bottom: 16px;
    width: 60%;
}

.preview-card-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preview-line {
    height: 12px;
    background: #E2E8F0;
    border-radius: 4px;
}

.preview-line.short {
    width: 70%;
}

/* Value Proposition Section */
.value-prop {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    margin-bottom: 60px;
}

.section-header.centered {
    text-align: center;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 20px;
    color: var(--text-light);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.value-card {
    padding: 40px 32px;
    background: var(--neutral-gray);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.value-icon svg {
    width: 28px;
    height: 28px;
    color: var(--white);
}

.value-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Product Section */
.product {
    padding: 100px 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.modules-wrapper {
    display: grid;
    gap: 32px;
}

.module-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 32px;
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.module-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.module-icon {
    width: 120px;
    height: 120px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--gradient-end) 100%);
    position: relative;
}

.module-icon svg {
    width: 56px;
    height: 56px;
    color: var(--white);
    stroke-width: 2;
}

.module-content h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.module-content > p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.module-features {
    list-style: none;
    display: grid;
    gap: 10px;
}

.module-features li {
    padding-left: 28px;
    position: relative;
    color: var(--text-light);
}

.module-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: 700;
}

/* Spotlight Section */
.spotlight {
    padding: 100px 0;
    background: var(--neutral-gray);
    overflow-x: hidden;
}

.spotlight-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.spotlight-badge {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spotlight-text h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.spotlight-intro {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--white);
}

.status-success {
    background: var(--success-green);
}

.status-analysis {
    background: var(--primary-blue);
}

.status-history {
    background: #8B5CF6;
}

.status-workflow {
    background: #F59E0B;
}

.feature-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Price Buffer Demo */
.price-buffer-demo {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.demo-header {
    padding: 24px;
    background: var(--neutral-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border-color);
}

.demo-header h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.demo-badge {
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
}

.demo-badge.pending {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-green);
}

.demo-table {
    font-size: 14px;
}

.demo-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 1fr 1fr 1fr;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.demo-row.header {
    background: var(--neutral-gray);
    font-weight: 600;
    color: var(--text-dark);
}

.demo-row:not(.header) {
    color: var(--text-light);
    transition: background 0.2s ease;
}

.demo-row:not(.header):hover {
    background: var(--neutral-gray);
}

.demo-row .price-up {
    color: var(--error-red);
}

.demo-row .price-down {
    color: var(--success-green);
}

.demo-row .negative {
    color: var(--error-red);
    font-weight: 600;
}

.demo-row .positive {
    color: var(--success-green);
    font-weight: 600;
}

.demo-row .neutral {
    color: var(--text-light);
}

.demo-footer {
    padding: 20px 24px;
    background: var(--neutral-gray);
    font-size: 16px;
    font-weight: 500;
    text-align: right;
}

.demo-footer strong {
    font-size: 18px;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
}

.about-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.about-intro {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-content > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 40px;
    font-size: 16px;
}

.about-content h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.service-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.service-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-card {
    background: var(--neutral-gray);
    padding: 32px;
    border-radius: 16px;
}

.about-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.expertise-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.expertise-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-light);
}

.expertise-list svg {
    width: 20px;
    height: 20px;
    color: var(--success-green);
    flex-shrink: 0;
}

.comparison-table {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 12px;
    align-items: center;
    font-size: 14px;
}

.comparison-challenge {
    text-align: right;
    color: var(--text-light);
}

.comparison-arrow {
    color: var(--primary-blue);
    font-weight: 700;
}

.comparison-solution {
    color: var(--text-dark);
    font-weight: 600;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.contact-intro {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

.benefits-list h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.benefits-list ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.benefits-list li {
    padding-left: 28px;
    position: relative;
    color: var(--text-light);
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: 700;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    transition: all 0.3s ease;
    color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo-text {
    color: var(--white);
    font-size: 32px;
    margin-bottom: 12px;
    display: block;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content,
    .spotlight-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .module-card {
        grid-template-columns: 100px 1fr;
        gap: 24px;
        padding: 32px;
    }

    .module-icon {
        width: 100px;
        height: 100px;
    }

    .demo-row {
        grid-template-columns: 1.5fr 1fr 0.8fr 0.8fr 0.8fr 0.8fr;
        gap: 8px;
        padding: 12px 16px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .nav-right {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 20px;
        padding: 20px;
        box-shadow: var(--shadow-md);
        display: none;
    }

    .nav-right.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }

    .language-selector {
        margin-left: 0;
    }

    .language-dropdown {
        padding: 6px 12px;
        font-size: 13px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }

    .module-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .module-icon {
        margin: 0 auto;
    }

    .module-features {
        text-align: left;
    }

    .spotlight-text h2,
    .about-content h2,
    .contact-info h2 {
        font-size: 32px;
    }

    .price-buffer-demo {
        overflow-x: auto;
    }

    .demo-row {
        min-width: 600px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section-header,
    .value-prop,
    .product,
    .spotlight,
    .about,
    .contact {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .spotlight-text h2,
    .about-content h2,
    .contact-info h2 {
        font-size: 28px;
    }

    .module-content h3 {
        font-size: 22px;
    }

    .stat-number {
        font-size: 32px;
    }
}

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

.hero-content > * {
    animation: fadeInUp 0.8s ease-out;
}

.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-blue);
    color: var(--white);
}