:root {
    --bg-color: #171717;
    --text-color: #ffffff;
    --primary-gradient: linear-gradient(to right, #003BFE, #0097FE);
    --primary-color: #003BFE;
    --secondary-color: #0097FE;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

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

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
}

.hero {
    padding: 80px 0;
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 80%;
    height: auto;
    border-radius: 12px;
}

h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 30px;
}

.cta-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-gradient);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: opacity 0.3s;
}

.cta-button:hover {
    opacity: 0.9;
}

.app-mockup {
    padding: 80px 0;
}

.mockup-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-bg {
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0.3;
    filter: blur(100px);
    border-radius: 30px;
}

.mockup-main {
    width: 300px;
    height: 600px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.mockup-secondary {
    width: 250px;
    height: 500px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-left: -100px;
    margin-top: 100px;
    z-index: 2;
}

.section {
    padding: 80px 0;
    text-align: center;
}

h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature {
    text-align: center;
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(  --text-color);
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.cta {
    padding: 80px 0;
    text-align: center;
    border-radius: 30px;
    background: var(--primary-gradient);
}

.cta h2 {
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.download-button {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    background-color: #000;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.download-button:hover {
    background-color: #333;
}

.download-button i {
    margin-right: 10px;
}

.reviews {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.review {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    max-width: 300px;
}

.review-author {
    font-weight: bold;
    margin-top: 10px;
}

footer {
    text-align: center;
    padding: 40px 0;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 10px;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-color);
        flex-direction: column;
        padding: 20px;
        align-items: stretch;
    }

    nav.active {
        display: flex;
    }

    nav a {
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
    }

    .mockup-secondary {
        display: none;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 40px 0;
    }

    .hero-content {
        text-align: center;
    }

    .hero p {
        margin: 0 auto 30px;
    }

    .hero-image {
        margin-top: 40px;
        padding: 0 20px;
    }
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-cta {
    background: var(--primary-gradient);
    padding: 8px 16px;
    border-radius: 20px;
    margin-left: 30px;
    transition: opacity 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
}

.nav-cta:hover {
    opacity: 0.9;
    color: var(--text-color) !important;
}

.app-store-badge {
    height: 50px;
    width: auto;
}

.download-button {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    background-color: #000;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s;
}

/* Update mobile styles */
@media (max-width: 768px) {
    .nav-cta {
        margin: 10px 0;
        height: auto;
        padding: 12px 24px;
    }
    
    .app-store-badge {
        height: 36px;
    }
    
    .download-button {
        padding: 8px 16px;
    }
}

/* How it works section */
.steps-section {
    padding: 100px 0;
}

.steps-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 30px;
    background: #242627;
    border-radius: 20px;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step-connector {
    height: 2px;
    flex: 0.5;
    background: var(--primary-gradient);
    margin-top: -30px;
}

/* Why ChatPDF section */
.benefits-section {
    padding: 100px 0;
}

.benefits-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.benefit-card {
    background: #242627;
    padding: 40px;
    border-radius: 20px;
    transition: transform 0.3s;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.benefit-list {
    list-style: none;
    margin-top: 20px;
    padding-left: 20px;
}

.benefit-list li {
    position: relative;
    padding: 8px 0;
    padding-left: 25px;
}

.benefit-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

/* Features section */
.features-section {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: #242627;
    padding: 30px;
    border-radius: 20px;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.main-feature {
    grid-column: 1 / -1;
    background: var(--primary-gradient);
    padding: 40px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Showcase section */
.showcase-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.showcase-container {
    position: relative;
    width: 100%;
    overflow-x: auto;
    margin: 0 -20px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.showcase-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.showcase-track {
    display: flex;
    gap: 20px;
    padding: 0 20px;
    width: max-content;
}

.showcase-item {
    flex: 0 0 auto;
    width: 300px;
    height: auto;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s;
}

.showcase-item:hover {
    transform: translateY(-5px);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

 

/* Update mobile styles */
@media (max-width: 768px) {
    .showcase-item {
        width: 250px;
    }

    .showcase-gradient-left,
    .showcase-gradient-right {
        width: 50px;
    }
} 

/* Reviews section */
.reviews-section {
    background: #242627;
    border-radius: 30px;
    margin: 40px 0;
}

.reviews {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.review-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: transform 0.3s;
}

.review-card:hover {
    transform: translateY(-5px);
}

.review-stars {
    display: flex;
    gap: 5px;
}

.star-icon {
    width: 20px;
    height: 20px;
    color: #FFD700;
}

.review-content {
    font-size: 16px;
    line-height: 1.6;
    color: #e0e0e0;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: auto;
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-info h4 {
    font-size: 16px;
    margin: 0;
    color: var(--text-color);
}

.author-info p {
    font-size: 14px;
    margin: 0;
    color: #888;
}

@media (max-width: 768px) {
    .reviews {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }

    .review-card {
        padding: 20px;
    }
} 

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-subtitle {
    font-size: 18px;
    color: #888;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 30px;
    }

    .section-subtitle {
        font-size: 16px;
        padding: 0 20px;
    }
} 

/* Contact page styles */
.contact-hero {
    padding: 60px 0;
    text-align: center;
}

.contact-section {
    padding: 40px 0 80px;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: #242627;
    padding: 40px;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #444;
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
}

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

@media (max-width: 768px) {
    .contact-form-container {
        margin: 0 20px;
        padding: 30px;
    }
}

/* Legal pages styles */
.legal-hero {
    padding: 60px 0;
    text-align: center;
}

.legal-content {
    padding: 40px 0 80px;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    background: #242627;
    padding: 40px;
    border-radius: 20px;
}

.legal-container h2 {
    color: var(--text-color);
    font-size: 24px;
    margin: 40px 0 20px;
}

.legal-container h2:first-child {
    margin-top: 0;
}

.legal-container p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.legal-container ul {
    margin: 20px 0;
    padding-left: 20px;
}

.legal-container li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.legal-container a {
    color: var(--secondary-color);
    text-decoration: none;
}

.legal-container a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .legal-container {
        margin: 0 20px;
        padding: 30px;
    }
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

/* Mobile-specific adjustments */
@media (max-width: 768px) {
    /* Header & Navigation */
    header {
        padding: 15px 0;
    }

    .logo img {
        height: 32px;
    }

    /* Hero section */
    .hero {
        padding: 40px 0;
        gap: 30px;
    }

    .hero h1 {
        font-size: 32px;
        line-height: 1.3;
    }

    .hero p {
        font-size: 16px;
        padding: 0 20px;
    }

    .hero-image img {
        max-width: 100%;
        padding: 0 20px;
    }

    /* Steps section */
    .steps-container {
        flex-direction: column;
        gap: 30px;
    }

    .step {
        padding: 25px;
    }

    .step-connector {
        width: 2px;
        height: 30px;
        margin: 0 auto;
    }

    /* Benefits section */
    .benefits-container {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }

    .benefit-card {
        padding: 30px;
    }

    /* Features section */
    .features-grid {
        padding: 0 20px;
    }

    .feature-card {
        padding: 25px;
    }

    .main-feature {
        padding: 30px;
    }

    /* Showcase section */
    .showcase-container {
        padding: 0 10px;
    }

    .showcase-item {
        width: 280px;
    }

    /* Reviews section */
    .reviews {
        padding: 0 20px;
    }

    .review-card {
        padding: 25px;
    }

    /* CTA section */
    .cta {
        margin: 0 20px;
        padding: 40px 20px;
    }

    .cta h2 {
        font-size: 28px;
        line-height: 1.3;
    }

    .cta p {
        font-size: 16px;
        padding: 0 20px;
    }

    /* Section headers */
    .section-header {
        padding: 0 20px;
    }

    h2 {
        font-size: 28px;
        line-height: 1.3;
    }

    .section-subtitle {
        font-size: 16px;
    }

    /* General section spacing */
    .section {
        padding: 60px 0;
    }

    /* Footer */
    footer {
        padding: 30px 20px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    .footer-links a {
        margin: 5px 0;
    }
}

/* Additional adjustments for very small screens */
@media (max-width: 380px) {
    .hero h1 {
        font-size: 28px;
    }

    .showcase-item {
        width: 260px;
    }

    .cta h2 {
        font-size: 24px;
    }

    .app-store-badge {
        height: 40px;
    }
}