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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo .logo {
    height: 32px;
    width: auto;
    transition: height 0.3s ease;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #6366f1;
}

.cta-button {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 3rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.typewriter {
    color: #fbbf24;
    border-right: 2px solid #fbbf24;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { border-color: #fbbf24; }
    51%, 100% { border-color: transparent; }
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(251, 191, 36, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: white;
    color: #6366f1;
}

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

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: translateY(-5px);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

/* Key Offers Section */
.key-offers {
    padding: 80px 0;
    background: #f8fafc;
}

.offers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.offer-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.offer-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.offer-icon i {
    font-size: 2rem;
    color: white;
}

.offer-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.offer-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* UX Message Section */
.ux-message {
    padding: 80px 0;
    background: white;
}

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

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.step-content p {
    color: #6b7280;
}

/* Payment Message Section */
.payment-message {
    padding: 80px 0;
    background: #f8fafc;
}

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

.payment-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.payment-text p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.payment-features {
    list-style: none;
}

.payment-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: #374151;
}

.payment-features i {
    color: #10b981;
    font-size: 1.25rem;
}

.payment-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Logistics Message Section */
.logistics-message {
    padding: 80px 0;
    background: white;
}

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

.logistics-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.logistics-text p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.logistics-features {
    list-style: none;
}

.logistics-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: #374151;
}

.logistics-features i {
    color: #3b82f6;
    font-size: 1.25rem;
}

.logistics-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Customization Message Section */
.customization-message {
    padding: 80px 0;
    background: #f8fafc;
}

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

.customization-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.customization-text p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.customization-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.feature i {
    color: #8b5cf6;
    font-size: 1.25rem;
}

.customization-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Bragging Rights Section */
.bragging-rights {
    padding: 80px 0;
    background: linear-gradient(135deg, #1f2937, #374151);
    color: white;
}

.bragging-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

.bragging-text {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.audstack-benefits, .competitors {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
}

.audstack-benefits h3, .competitors h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.audstack-benefits ul, .competitors ul {
    list-style: none;
}

.audstack-benefits li, .competitors li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.audstack-benefits i {
    color: #10b981;
    font-size: 1.25rem;
}

.competitors i {
    color: #ef4444;
    font-size: 1.25rem;
}

/* Loan Section */
.loan-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    text-align: center;
}

.loan-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.loan-text {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.loan-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.loan-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.loan-feature i {
    font-size: 2rem;
}

.loan-feature span {
    font-weight: 600;
}

/* Reviews Section */
.reviews {
    padding: 80px 0;
    background: #f8fafc;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.review-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.reviewer-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
}

.reviewer-info p {
    color: #6b7280;
    font-size: 0.9rem;
}

.stars {
    color: #fbbf24;
}

.review-text {
    color: #6b7280;
    line-height: 1.6;
    font-style: italic;
}

/* How to Start Section */
.how-to-start {
    padding: 80px 0;
    background: white;
}

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

.step-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.step-card .step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.step-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: #f8fafc;
}

.pricing-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: #6b7280;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.pricing-feature {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-feature i {
    font-size: 2.5rem;
    color: #6366f1;
    margin-bottom: 1rem;
}

.pricing-feature h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.pricing-feature p {
    color: #6b7280;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    text-align: center;
    border-radius: 40px 40px 0 0;
    margin-top: 40px;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary.large {
    font-size: 1.25rem;
    padding: 20px 40px;
    border-radius: 12px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-logo .footer-logo-img {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #9ca3af;
    line-height: 1.6;
}

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

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    width: 80%;
    max-width: 800px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
}

.close:hover {
    opacity: 0.7;
}

#modalVideo {
    width: 100%;
    height: auto;
}

/* Responsive Design */
@media (min-width: 1200px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        gap: 1.5rem;
        justify-content: center;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 18px 36px;
        font-size: 1.2rem;
    }
    
    .hero-container {
        gap: 4rem;
    }
    
    .hero-img {
        max-width: 600px;
    }
}

@media (min-width: 1400px) {
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    .hero-container {
        max-width: 1400px;
        gap: 5rem;
    }
    
    .hero-img {
        max-width: 700px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-logo .logo {
        height: 28px;
    }

    .hero-container {
        gap: 2rem;
    }

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

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-content p {
        font-size: 1.1rem;
    }

    .btn-primary.large {
        font-size: 1.1rem;
        padding: 16px 32px;
    }

    .offers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .payment-content,
    .logistics-content,
    .customization-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .comparison {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .loan-features {
        flex-direction: column;
        gap: 1.5rem;
    }

    .hero-buttons {
        justify-content: center;
        align-items: center;
        flex-direction: column;
        gap: 1rem;
    }

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

    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

@media (max-width: 480px) {
    .nav-logo .logo {
        height: 24px;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 24px;
        font-size: 1rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .btn-primary.large {
        font-size: 1rem;
        padding: 14px 28px;
    }

    .cta-section {
        border-radius: 30px 30px 0 0;
        margin-top: 30px;
    }

    .container {
        padding: 0 15px;
    }

    .offers-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .offer-card,
    .review-card,
    .pricing-feature {
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation for typewriter */
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink 1s infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}