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

:root {
    --primary-color: #1E88E5;
    --primary-dark: #1565C0;
    --primary-light: #90CAF9;
    --secondary-color: #0D47A1;
    --text-dark: #1A237E;
    --text-light: #546E7A;
    --bg-light: #E3F2FD;
    --bg-white: #FFFFFF;
    --border-color: #BBDEFB;
    --success-color: #2ECC71;
    --shadow-sm: 0 2px 8px rgba(30, 136, 229, 0.1);
    --shadow-md: 0 4px 16px rgba(30, 136, 229, 0.15);
    --shadow-lg: 0 8px 32px rgba(30, 136, 229, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.75rem;
    line-height: 1.4;
    font-weight: 600;
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-light);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

/* Buttons */
.cta-button,
.cta-button-href,
.secondary-button,
.pricing-button {
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.cta-button,
.cta-button-href {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(30, 136, 229, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(30, 136, 229, 0.4);
}

.cta-button.large {
    padding: 18px 40px;
    font-size: 1.125rem;
}

.secondary-button {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.secondary-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #E3F2FD 0%, var(--bg-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(30, 136, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Comparison Slider */
.comparison-slider {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr 2px 1fr;
    height: 400px;
}

.comparison-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-image.before {
    background: linear-gradient(135deg, #E0E0E0 0%, #BDBDBD 100%);
}

.comparison-image.after {
    background: linear-gradient(135deg, #90CAF9 0%, var(--primary-color) 100%);
}

.comparison-divider {
    background: white;
    width: 2px;
}

.placeholder-box {
    text-align: center;
    color: white;
    padding: 40px;
}

.placeholder-box.bright {
    color: white;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.placeholder-box p {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.image-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    backdrop-filter: blur(10px);
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 4rem;
}

/* About Section */
.about {
    background: var(--bg-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.step {
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    background: var(--bg-light);
    position: relative;
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.step-icon {
    font-size: 4rem;
    margin: 2rem 0 1.5rem;
}

.step h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step p {
    font-size: 1rem;
}

/* Benefits */
.benefits {
    margin-top: 80px;
}

.benefits-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.benefit-card {
    padding: 32px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition);
}

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

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

.benefit-card h4 {
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.benefit-card p {
    font-size: 1rem;
}

/* Pricing Section */
.pricing {
    background: var(--bg-light);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 3rem;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--bg-light);
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.pricing-badge.popular {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.pricing-title {
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.pricing-price {
    margin-bottom: 2rem;
}

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

.price-period {
    font-size: 1rem;
    color: var(--text-light);
}

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

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-dark);
}

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

.pricing-features li.disabled {
    color: var(--text-light);
    opacity: 0.5;
}

.pricing-button {
    width: 100%;
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.pricing-card.featured .pricing-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
}

.pricing-button:hover {
    transform: translateY(-2px);
}

.pricing-note {
    text-align: center;
    padding: 24px;
    background: white;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.pricing-note p {
    margin: 0;
}

/* FAQ Section */
.faq {
    background: var(--bg-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    background: var(--bg-light);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 1.25rem;
    margin: 0;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 300;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 32px 24px;
    margin: 0;
}

/* Contacts Section */
.contacts {
    background: var(--bg-light);
}

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

.contact-form h3 {
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.contact-card {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-card p {
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-note {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
}

.cta-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px;
    border-radius: 20px;
    text-align: center;
}

.cta-banner h3 {
    color: white;
    margin-bottom: 1rem;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta-banner .cta-button,
.cta-banner .cta-button-href {
    background: white;
    color: var(--primary-color);
}

.cta-banner .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

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

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

.footer-column h4 {
    margin-bottom: 1.5rem;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

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

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 1.5rem;
}

.social-link {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: white !important;
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero-content,
    .contacts-content {
        grid-template-columns: 1fr;
    }

    .comparison-slider {
        height: 300px;
    }

    .steps,
    .pricing-cards {
        grid-template-columns: 1fr;
    }

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

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

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

    .nav {
        display: none;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 60px 0;
    }

    section {
        padding: 60px 0;
    }

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

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

    .comparison-slider {
        height: 250px;
        grid-template-columns: 1fr;
    }

    .comparison-divider {
        display: none;
    }

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

    .cta-banner {
        padding: 40px 24px;
    }
}