/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #ffd700;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-outline {
    background: transparent;
    color: #4f46e5;
    padding: 0.75rem 1.5rem;
    border: 2px solid #4f46e5;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-outline:hover {
    background: #4f46e5;
    color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px; /* Add padding to prevent header overlap */
}

.hero-background-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slides-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.hero-slides {
    display: flex;
    width: 200%;
    height: 50%;
}

.hero-slides-top {
    animation: slideShow 25s linear infinite;
}

.hero-slides-bottom {
    animation: slideShowReverse 30s linear infinite;
}

.hero-bg-img {
    width: 16.66%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    filter: brightness(0.7);
}

@keyframes slideShow {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes slideShowReverse {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 3rem;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 40%, rgba(0, 0, 0, 0.3) 70%, transparent 100%);
    border-radius: 30px;
    backdrop-filter: blur(15px);
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.trust-badge {
    background: rgba(255, 215, 0, 0.2);
    color: #ffd700;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 215, 0, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 215, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
    }
}

.ai-models-preview {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.model-badge {
    background: rgba(79, 70, 229, 0.2);
    color: #a5b4fc;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(79, 70, 229, 0.3);
    animation: float 3s ease-in-out infinite;
}

.model-badge:nth-child(2) {
    animation-delay: 0.5s;
}

.model-badge:nth-child(3) {
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.gradient-text {
    background: linear-gradient(135deg, #ffd700, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: white;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

/* Free Tokens Banner */
.free-tokens-banner {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    padding: 2rem 0;
    margin: 0;
}

.free-tokens-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.tokens-icon {
    font-size: 3rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.tokens-text {
    flex: 1;
    color: white;
}

.tokens-text h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: white;
}

.tokens-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
}

.tokens-text strong {
    color: #fef08a;
    font-weight: 700;
}

.free-tokens-banner .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    color: white;
    white-space: nowrap;
}

.free-tokens-banner .btn-primary:hover {
    background: white;
    color: #16a34a;
    transform: translateY(-2px);
}

/* AI Models Section */
.ai-models {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

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

.model-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.2);
    background: rgba(0, 0, 0, 0.6);
}

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

.model-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.model-card .model-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ffd700;
    color: #333;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.model-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.model-features {
    list-style: none;
    text-align: left;
}

.model-features li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.model-features li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #4f46e5;
    font-weight: bold;
}

/* Use Cases Section */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.use-case-card {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.use-case-card:hover {
    transform: translateY(-3px);
    background: rgba(0, 0, 0, 0.5);
}

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

.use-case-card h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.use-case-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

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

.testimonial-card {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: rgba(0, 0, 0, 0.7);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.author-avatar {
    font-size: 2.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(79, 70, 229, 0.2);
    border-radius: 50%;
}

.author-info h4 {
    color: white;
    margin-bottom: 0.2rem;
}

.author-info span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Call to Action Section */
.cta-section {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
    padding: 4rem 0;
    text-align: center;
}

.cta-content h2 {
    color: white;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.cta-section .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    margin-top: 1rem;
}

.cta-section .btn-primary:hover {
    background: white;
    color: #4f46e5;
    transform: translateY(-2px);
}

/* Features */
.features {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

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

.feature-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(0, 0, 0, 0.6);
}

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

.feature-card h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem 1rem 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

/* Pricing */
.pricing {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

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

.pricing-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-card:hover {
    transform: translateY(-5px);
    background: rgba(0, 0, 0, 0.6);
}

.pricing-card.featured {
    transform: scale(1.05);
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.5);
}

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #ffd700;
    color: #333;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: #ffd700;
    margin-bottom: 1.5rem;
}

.price span {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.pricing-features li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.pricing-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

.pricing-note {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.pricing-note p {
    color: #ffd700;
    font-weight: 600;
    margin: 0;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-brand h3 {
    margin-bottom: 1rem;
    color: #ffd700;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 0 10px;
    }
    
    .nav-brand h1 {
        font-size: 1.2rem;
    }
    
    .nav-links {
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links a {
        font-size: 0.9rem;
        padding: 0.5rem 0.8rem;
    }
    
    .nav-links .btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .header {
        padding: 0.8rem 0;
    }
    
    .hero-content {
        margin: 0 1rem;
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .trust-indicators {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.3rem;
        margin-bottom: 1rem;
    }
    
    .trust-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        text-align: center;
        white-space: nowrap;
        flex: 0 1 auto;
    }
    
    .ai-models-preview {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.3rem;
        margin: 0.8rem 0;
    }
    
    .ai-models-preview .model-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        text-align: center;
        white-space: nowrap;
        flex: 0 1 auto;
    }
    
    .hero {
        padding-top: 100px; /* Increase padding for mobile header */
    }
    
    .hero-content {
        padding: 1.2rem;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.1rem;
    }
    
    .free-tokens-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .tokens-text h3 {
        font-size: 1.3rem;
    }
    
    .tokens-text p {
        font-size: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 0 5px;
    }
    
    .nav-links {
        gap: 0.3rem;
    }
    
    .nav-links a {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
    }
    
    .nav-links .btn-primary {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-content {
        padding: 0.8rem;
    }
    
    .trust-indicators {
        margin-bottom: 0.8rem;
        gap: 0.2rem;
    }
    
    .trust-badge {
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
        border-radius: 12px;
    }
    
    .ai-models-preview {
        margin: 0.6rem 0;
        gap: 0.2rem;
    }
    
    .ai-models-preview .model-badge {
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
        border-radius: 10px;
    }
    
    .hero {
        padding-top: 120px; /* Extra padding for very small screens */
        min-height: calc(100vh - 20px); /* Slightly reduce height to accommodate padding */
    }
    
    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }
}