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

:root {
    /* Colors - Indigo/Lilac Palette */
    --indigo-600: #4f46e5;
    --indigo-700: #4338ca;
    --indigo-50: #eef2ff;
    --lilac-100: #f3e8ff;
    --lilac-200: #e9d5ff;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;

    /* Typography */
    --font-serif: 'Source Serif 4', serif;
    --font-sans: 'Inter', sans-serif;

    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 12px;
    --border-radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--gray-900);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--indigo-600);
    color: var(--white);
    border-color: var(--indigo-600);
}

.btn-primary:hover {
    background-color: var(--indigo-700);
    border-color: var(--indigo-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--indigo-600);
    border-color: var(--indigo-600);
}

.btn-outline:hover {
    background-color: var(--lilac-100);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg);
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--indigo-600);
    margin: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--indigo-600);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--gray-700);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--indigo-50) 0%, var(--lilac-100) 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.hero-cta {
    margin-bottom: 3rem;
}

.hero-guarantee {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.social-proof-text {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.logo-bar {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo-placeholder {
    padding: 8px 16px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    color: var(--gray-600);
    box-shadow: var(--shadow-sm);
}

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

.mockup-container {
    perspective: 1000px;
}

.mockup {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
    width: 400px;
}

.mockup:hover {
    transform: rotateY(-2deg) rotateX(2deg);
}

.mockup-header {
    background-color: var(--gray-100);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mockup-dots {
    display: flex;
    gap: 4px;
}

.mockup-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--gray-400);
}

.mockup-title {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.mockup-content {
    padding: 2rem;
}

.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.upload-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.upload-button {
    background-color: var(--indigo-600);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    margin-top: 1rem;
    display: inline-block;
}

.progress-section {
    margin-top: 1rem;
}

.progress-bar {
    background-color: var(--gray-200);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    background: linear-gradient(90deg, var(--indigo-600), var(--lilac-200));
    height: 100%;
    width: 75%;
    border-radius: 10px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.progress-text {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

/* Benefits Section */
.benefits {
    padding: var(--section-padding);
    background-color: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    background-color: var(--gray-50);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.benefit-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.benefit-description {
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* How It Works Section */
.how-it-works {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 250px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--indigo-600);
    color: var(--white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background-color: var(--white);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.step-description {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.step-microcopy {
    font-size: 0.75rem;
    color: var(--indigo-600);
    font-weight: 500;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--gray-400);
    font-weight: bold;
}

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--white);
}

.testimonials-carousel {
    position: relative;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.testimonial {
    display: none;
    text-align: center;
    padding: 2rem;
}

.testimonial.active {
    display: block;
}

.testimonial-text {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 2rem;
    font-style: italic;
}

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

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

.author-name {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-role {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-300);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.dot.active {
    background-color: var(--indigo-600);
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding);
    background-color: var(--gray-50);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    margin-top: -1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--indigo-600);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--indigo-600);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.plan-description {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.plan-price {
    margin-bottom: 1rem;
}

.plan-limit {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 2rem;
    text-align: center;
}

.currency {
    font-size: 1.25rem;
    color: var(--gray-600);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
}

.period {
    font-size: 1rem;
    color: var(--gray-600);
}

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

.plan-features li {
    padding: 0.5rem 0;
    color: var(--gray-700);
}

.plan-extra {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Premium Add-on Section */
.premium-addon {
    padding: var(--section-padding);
    background-color: var(--indigo-50);
}

.addon-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
}

.addon-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.addon-subtitle {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.addon-features {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.addon-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.addon-icon {
    font-size: 1.25rem;
}

.addon-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--indigo-600);
}

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

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

.faq-item {
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 1rem;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--indigo-600);
}

.faq-question h3 {
    font-size: 1.125rem;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.2s ease;
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

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

.footer-description {
    color: var(--gray-400);
}

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

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

.footer-column a {
    display: block;
    color: var(--gray-400);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

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

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s ease;
}

.social-link:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 1rem;
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .steps-container {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

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

    .pricing-card.featured {
        transform: none;
    }

    .addon-card {
        flex-direction: column;
        text-align: center;
    }

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

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

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .mockup {
        width: 300px;
    }

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

    .addon-features {
        flex-direction: column;
        align-items: center;
    }
}