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

:root {
    --color-indigo: #3D52A0;
    --color-indigo-light: #7091E6;
    --color-coral: #FF7A63;
    --color-coral-light: #FFB199;
    --color-text-dark: #1A1A2E;
    --color-text-medium: #4A4A5E;
    --color-text-light: #6B6B7E;
    --color-bg-white: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-border: #E5E5EA;

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header {
    background-color: var(--color-bg-white);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    flex-shrink: 0;
}

.brand-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-indigo);
    letter-spacing: -0.5px;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-medium);
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #2E3E7F;
}

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

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

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

.btn-outline:hover {
    border-color: var(--color-indigo);
    color: var(--color-indigo);
}

.btn-primary-large {
    background-color: var(--color-indigo);
    color: white;
    padding: 18px 36px;
    font-size: 18px;
}

.btn-primary-large:hover {
    background-color: #2E3E7F;
}

.btn-secondary-large {
    background-color: transparent;
    color: var(--color-coral);
    border: 2px solid var(--color-coral);
    padding: 18px 36px;
    font-size: 18px;
}

.btn-secondary-large:hover {
    background-color: var(--color-coral);
    color: white;
}

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    max-width: 540px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-img, .benefits-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.hero-img {
    max-height: 450px;
}

.benefits-img {
    max-height: 500px;
}

.placeholder-image {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius-lg);
    background-repeat: repeat;
    background-size: 20px 20px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
}

.features {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid var(--color-border);
    text-align: center;
}

.feature-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 15px;
    line-height: 1.6;
}

.how-it-works {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-light);
    text-align: center;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.step-card {
    text-align: center;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-coral);
    color: white;
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.step-card h3 {
    margin-bottom: var(--spacing-sm);
}

.benefits {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.benefits-text {
    text-align: left;
}

.benefits-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 16px;
    color: var(--color-text-dark);
}

.benefits-list svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.benefits-image .placeholder-image {
    height: 500px;
}

.products {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-light);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-text-medium);
    margin-bottom: var(--spacing-xl);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.product-card {
    background-color: var(--color-bg-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card.featured {
    border-color: var(--color-indigo);
    box-shadow: 0 8px 24px rgba(61, 82, 160, 0.15);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-coral);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.product-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.product-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-indigo);
    margin-top: var(--spacing-sm);
}

.product-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-medium);
}

.product-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.product-features li {
    padding: var(--spacing-xs) 0;
    font-size: 14px;
    color: var(--color-text-medium);
    position: relative;
    padding-left: 24px;
}

.product-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-coral);
    font-weight: 700;
}

.testimonials {
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: left;
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-dark);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    flex-shrink: 0;
}

.author-name {
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: 15px;
}

.author-title {
    font-size: 13px;
    color: var(--color-text-light);
}

.stats {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-indigo) 0%, var(--color-indigo-light) 100%);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    color: white;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

.cta-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-light);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.contact {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.contact-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
}

.contact-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    margin-bottom: var(--spacing-sm);
}

.contact-card a {
    color: var(--color-indigo);
    text-decoration: none;
    font-weight: 500;
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact-card p {
    font-size: 15px;
    line-height: 1.6;
}

.footer {
    background-color: var(--color-text-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo-wrapper {
    margin-bottom: var(--spacing-md);
}

.footer-brand .brand-name {
    color: white;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 15px;
    font-weight: 600;
}

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

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-column ul li a:hover {
    color: white;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

@media (max-width: 968px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .hero-image {
        order: -1;
    }

    .hero-img {
        max-height: 350px;
    }

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

    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .benefits-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .benefits-image {
        order: -1;
    }

    .benefits-img {
        max-height: 350px;
    }

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

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

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

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-img {
        max-height: 280px;
    }

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

    .hero-cta .btn {
        width: 100%;
    }

    .benefits-img {
        max-height: 280px;
    }

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

    .cta-buttons .btn {
        width: 100%;
    }

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

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