/* Base Styles */
:root {
    /* Colors - Dark Theme with Purple */
    --primary-color: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary-color: #a855f7;
    --dark-color: #0f0f23;
    --darker-color: #0a0a15;
    --light-color: #1a1a2e;
    --gray-100: #1a1a2e;
    --gray-200: #16213e;
    --gray-300: #1f2937;
    --gray-400: #374151;
    --gray-500: #6b7280;
    --gray-600: #9ca3af;
    --gray-700: #d1d5db;
    --gray-800: #e5e7eb;
    --gray-900: #f3f4f6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --text-primary: #f3f4f6;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    
    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --base-font-size: 16px;
    --h1: 3.052rem;
    --h2: 2.441rem;
    --h3: 1.953rem;
    --h4: 1.563rem;
    --h5: 1.25rem;
    --h6: 1rem;
    
    /* Spacing */
    --spacing-unit: 1rem;
    --section-padding: 5rem 0;
    
    /* Border Radius */
    --border-radius: 0.25rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    
    /* Box Shadow */
    --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--base-font-size);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }
h4 { font-size: var(--h4); }
h5 { font-size: var(--h5); }
h6 { font-size: var(--h6); }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: none;
}

p {
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

/* Container */
.container {
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    margin-right: auto;
    margin-left: auto;
    max-width: 1200px;
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.5rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    color: #fff;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #5a6268;
    border-color: #545b62;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-outline {
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-large {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--primary-color);
}

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

.nav-links a {
    color: var(--gray-800);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--primary-color);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%234a6cf7" fill-opacity="0.05" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom no-repeat;
    background-size: 100% auto;
    opacity: 0.8;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1;
    min-width: 300px;
    padding-right: 2rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

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

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background-color: #fff;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.features h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: #fff;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(74, 108, 247, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    font-size: 1.75rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background-color: var(--primary-color);
    color: #fff;
    transform: rotateY(180deg);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--gray-600);
    margin-bottom: 0;
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding);
    background-color: var(--gray-100);
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%234a6cf7" fill-opacity="0.03" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom no-repeat;
    background-size: 100% auto;
    z-index: 0;
}

.pricing .container {
    position: relative;
    z-index: 1;
}

.pricing h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: #fff;
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--box-shadow-lg);
}

.popular-tag {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 1.5rem;
    transform: rotate(45deg) translate(30%, -50%);
    transform-origin: center;
    width: 150px;
    text-align: center;
}

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

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    line-height: 1;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray-600);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    text-align: left;
}

.pricing-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
}

.pricing-card ul li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.custom-plan {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    border: 1px dashed var(--primary-color);
}

/* About Section */
.about {
    padding: var(--section-padding);
    background-color: #fff;
}

.about .container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.about-content {
    flex: 1;
    min-width: 300px;
}

.about h2 {
    margin-bottom: 1.5rem;
}

.about p {
    margin-bottom: 1.5rem;
    color: var(--gray-700);
    line-height: 1.8;
}

.about-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.about-image img:hover {
    transform: rotate(-2deg) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* Testimonials */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--gray-100);
    text-align: center;
}

.testimonials h2 {
    margin-bottom: 3rem;
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial {
    background-color: #fff;
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--box-shadow);
    margin: 0 1rem;
    position: relative;
}

.testimonial::before {
    content: '\201C';
    font-family: Georgia, serif;
    font-size: 5rem;
    color: rgba(74, 108, 247, 0.1);
    position: absolute;
    top: 0.5rem;
    left: 1rem;
    line-height: 1;
}

.testimonial-content {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 1rem;
    border: 3px solid var(--primary-color);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.author-info p {
    color: var(--gray-600);
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background-color: #fff;
}

.contact .container {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.contact-content {
    flex: 1;
    min-width: 300px;
}

.contact h2 {
    margin-bottom: 1.5rem;
}

.contact p {
    margin-bottom: 2rem;
    color: var(--gray-700);
    max-width: 600px;
}

.contact-form {
    background-color: var(--gray-100);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-800);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 108, 247, 0.25);
}

.contact-info {
    flex: 1;
    min-width: 300px;
    padding: 2rem 0;
}

.info-box {
    display: flex;
    margin-bottom: 2rem;
    background-color: var(--gray-100);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.info-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(74, 108, 247, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.info-content h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.info-content p,
.info-content a {
    color: var(--gray-700);
    margin-bottom: 0;
    text-decoration: none;
}

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

/* FAQ Section */
.faq {
    padding: var(--section-padding);
    background-color: var(--gray-100);
}

.faq h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.faq-item {
    background-color: #fff;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

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

.faq-question i {
    transition: var(--transition);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: var(--gray-50);
}

.faq-answer-content {
    padding: 0 1.5rem 1.5rem;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3a5ae8 100%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom no-repeat;
    background-size: 100% auto;
    z-index: 0;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

.cta .btn-primary {
    background-color: #fff;
    color: var(--primary-color);
    border-color: #fff;
    font-weight: 600;
    padding: 0.75rem 2.5rem;
    font-size: 1.1rem;
}

.cta .btn-primary:hover {
    background-color: transparent;
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: #fff;
    padding: 5rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.footer-about .logo {
    color: #fff;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links h3 {
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

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

.footer-links a:hover {
    color: #fff;
    transform: translateX(5px);
}

.newsletter-form {
    display: flex;
    margin-top: 1.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-family: inherit;
    font-size: 0.9rem;
}

.newsletter-form button {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 0 1.5rem;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--primary-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

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

.footer-legal a:hover {
    color: #fff;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Responsive Styles */
@media (max-width: 1200px) {
    :root {
        --h1: 2.5rem;
        --h2: 2rem;
        --h3: 1.75rem;
        --h4: 1.5rem;
        --h5: 1.25rem;
        --h6: 1rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero .lead {
        font-size: 1.1rem;
    }
}

@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 1000;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        margin: 0.75rem 0;
        font-size: 1.1rem;
    }
    
    .hamburger {
        display: block;
        z-index: 1001;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 6rem 0 4rem;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .about .container,
    .contact .container {
        flex-direction: column;
    }
    
    .about-image,
    .contact-info {
        margin-top: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .stat {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-about {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    :root {
        --h1: 2rem;
        --h2: 1.75rem;
        --h3: 1.5rem;
        --h4: 1.25rem;
        --h5: 1.1rem;
        --h6: 1rem;
        --section-padding: 3rem 0;
    }
    
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        border-radius: var(--border-radius);
        margin-bottom: 0.5rem;
    }
    
    .newsletter-form button {
        border-radius: var(--border-radius);
        padding: 0.75rem;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        bottom: 1rem;
        right: 1rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease-out forwards;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.bg-light { background-color: var(--light-color); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-5 { margin-bottom: 3rem; }