:root {
    --color-primary: #0070f1;
    --color-primary-dark: #0059c2;
    --color-primary-light: #3d8fff;
    --color-secondary: #0a1628;
    --color-accent: #00c9ff;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-bg-dark: #0f172a;
    --color-border: #e5e7eb;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter",
        sans-serif;
    --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);
}

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

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

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

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

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(
        135deg,
        var(--color-primary),
        var(--color-primary-light)
    );
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

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

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

.lang-switcher {
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.lang-switcher:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Hero Section */
.hero {
    margin-top: 70px;
    background: linear-gradient(135deg, #0a1628 0%, #001a3d 50%, #0070f1 100%);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #3d8fff 50%, #00c9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 20px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #00c9ff;
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.hero-visual {
    position: relative;
}

.hero-image {
    background: linear-gradient(
        135deg,
        rgba(0, 112, 241, 0.15),
        rgba(0, 201, 255, 0.1)
    );
    border: 2px solid rgba(61, 143, 255, 0.3);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 112, 241, 0.4);
}

.dashboard-preview {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.preview-header {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e5e7eb;
}

.preview-dot:nth-child(1) {
    background: #ef4444;
}
.preview-dot:nth-child(2) {
    background: #f59e0b;
}
.preview-dot:nth-child(3) {
    background: #10b981;
}

.preview-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.preview-card {
    background: var(--color-bg-light);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--color-border);
}

.preview-card-title {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.preview-bar {
    height: 8px;
    background: var(--color-primary);
    border-radius: 4px;
    margin-bottom: 8px;
}

.preview-bar:nth-child(3) {
    width: 80%;
    opacity: 0.7;
}
.preview-bar:nth-child(4) {
    width: 60%;
    opacity: 0.5;
}

/* CTA Buttons */
.cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    gap: 8px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(32, 163, 158, 0.4);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(32, 163, 158, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

/* Problem-Solution Section */
.problem-section {
    padding: 100px 0;
    background: var(--color-bg-light);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--color-secondary);
}

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

.pain-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.pain-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #0070f1, #00c9ff);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.pain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.pain-card:hover::before {
    transform: scaleY(1);
}

.pain-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.pain-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-secondary);
}

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

.solution-box {
    background: linear-gradient(135deg, #0070f1 0%, #3d8fff 50%, #00c9ff 100%);
    color: white;
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 112, 241, 0.3);
}

.solution-box h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.solution-box p {
    font-size: 20px;
    line-height: 1.7;
    opacity: 0.95;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--color-bg-light);
    border-radius: 20px;
    padding: 40px 32px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    background: white;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 24px;
    display: block;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-secondary);
}

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

.feature-highlight {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 12px;
}

/* Social Proof Section */
.social-proof {
    padding: 100px 0;
    background: var(--color-secondary);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.stat-card {
    text-align: center;
    padding: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.stat-card-number {
    font-size: 48px;
    font-weight: 800;
    color: #00c9ff;
    margin-bottom: 8px;
    display: block;
}

.stat-card-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.testimonial {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 48px;
    max-width: 900px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.testimonial-content {
    font-size: 24px;
    line-height: 1.7;
    margin-bottom: 32px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.95);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.author-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0070f1, #00c9ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: white;
}

.author-info h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.author-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
    background: var(--color-bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.pricing-card {
    background: white;
    border-radius: 24px;
    padding: 40px 32px;
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(32, 163, 158, 0.1);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: white;
    padding: 8px 24px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 14px;
}

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

.pricing-card.featured:hover {
    transform: translateY(-8px) scale(1.05);
}

.pricing-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-secondary);
}

.pricing-description {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 24px;
}

.pricing-price {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.pricing-period {
    color: var(--color-text-light);
    font-size: 16px;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

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

.check-icon {
    color: var(--color-success);
    font-weight: 700;
    flex-shrink: 0;
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: white;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.use-case-card {
    background: linear-gradient(135deg, var(--color-bg-light), white);
    border-radius: 24px;
    padding: 40px;
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
}

.use-case-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.use-case-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.use-case-icon {
    font-size: 40px;
}

.use-case-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-secondary);
}

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

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 20px;
    border: 2px solid var(--color-border);
    transition: all 0.3s ease;
    cursor: pointer;
}

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

.faq-question {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Final CTA Section */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a1628 0%, #001a3d 50%, #0070f1 100%);
    color: white;
    text-align: center;
}

.final-cta h2 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
}

.final-cta p {
    font-size: 24px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 48px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.trust-badge-icon {
    color: var(--color-success);
    font-size: 20px;
}

/* Footer */
.footer {
    background: var(--color-secondary);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: white;
    font-size: 24px;
    margin-bottom: 16px;
}

.footer-brand p {
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-links h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 16px;
    font-weight: 700;
}

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

.footer-links ul li {
    margin-bottom: 12px;
}

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

.footer-links a:hover {
    color: #3d8fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 42px;
    }

    .pain-points,
    .use-case-grid {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .hero-text p {
        font-size: 18px;
    }

    .section-header h2 {
        font-size: 32px;
    }

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

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

    .btn {
        width: 100%;
    }

    .final-cta h2 {
        font-size: 36px;
    }

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}