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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
}

.logo-icon {
    color: var(--primary);
    font-size: 1.8rem;
}

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

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

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

.cta-button {
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--dark-light);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--dark-light);
    color: var(--white);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-preview {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 400px;
    height: 300px;
}

.card-header {
    background: var(--light);
    padding: 1rem;
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray);
    opacity: 0.3;
}

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

.card-body {
    padding: 2rem;
}

.chart-line {
    height: 100px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 10px;
    margin-bottom: 1.5rem;
    position: relative;
}

.chart-line::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--gradient);
}

.chart-bars {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 80px;
}

.bar {
    width: 15%;
    background: var(--gradient);
    border-radius: 5px 5px 0 0;
}

.bar:nth-child(1) { height: 40%; }
.bar:nth-child(2) { height: 60%; }
.bar:nth-child(3) { height: 80%; }
.bar:nth-child(4) { height: 55%; }
.bar:nth-child(5) { height: 90%; }

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray);
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--light);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

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

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: 6rem 0;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.feature-content > p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.feature-list li {
    padding: 0.75rem 0;
    color: var(--dark);
    font-size: 1.05rem;
}

.dashboard-preview {
    display: flex;
    background: var(--dark);
    border-radius: 16px;
    overflow: hidden;
    height: 300px;
}

.sidebar {
    width: 80px;
    background: var(--dark-light);
}

.main-panel {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.widget {
    background: var(--dark-light);
    border-radius: 8px;
    flex: 1;
}

.widget:first-child {
    flex: 2;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--dark);
    color: var(--white);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    line-height: 1.8;
}

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

.value h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.value p {
    color: rgba(255, 255, 255, 0.7);
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 0;
    background: var(--light);
}

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

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.testimonial-stars {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--dark);
}

.author-role {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
}

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

.pricing-card {
    background: var(--white);
    border: 2px solid var(--light);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.05) 0%, var(--white) 100%);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 2rem;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--gray);
    border-bottom: 1px solid var(--light);
}

.pricing-btn {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--dark-light);
    background: transparent;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.pricing-btn:hover {
    background: var(--dark-light);
    color: var(--white);
}

.pricing-btn.primary {
    background: var(--gradient);
    border-color: transparent;
    color: var(--white);
}

.pricing-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--dark);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid var(--light);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.submit-btn {
    background: var(--gradient);
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand span:first-child {
    color: var(--primary);
    font-size: 1.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color 0.3s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

    .feature-row {
        grid-template-columns: 1fr;
    }

    .feature-visual {
        order: -1;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

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

    .services-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}