:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --section-bg: #f3f4f6;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Navigation */
.navbar {
    opacity: 0;
    visibility: hidden;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    opacity: 1;
    visibility: visible;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .logo h1 {
    color: white;
}

.navbar.scrolled .nav-links a {
    color: white;
}

.navbar.scrolled .nav-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: white;
    font-size: 1.5rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero .subheading {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator span {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.scroll-indicator i {
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero .subheading {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--light-text);
}

/* Problem Section */
.problem {
    padding: 8rem 0;
    background: var(--section-bg);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.problem-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.problem-card i {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    transition: transform 0.3s ease;
}

.problem-card:hover i {
    transform: scale(1.1);
}

/* Solution Section */
.solution {
    padding: 8rem 0;
    background: var(--background);
    position: relative;
    overflow: hidden;
}

.solution::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.solution-image {
    position: relative;
    margin-top: 2rem;
}

.solution-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), transparent);
    pointer-events: none;
}

.solution-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.solution-image:hover img {
    transform: scale(1.02);
}

.solution-description {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1rem;
    background: var(--section-bg);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(37, 99, 235, 0.05);
    transform: translateX(5px);
}

.feature i {
    font-size: 1.8rem;
    color: var(--primary-color);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    transition: all 0.3s ease;
}

.feature:hover i {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* Preview Section */
.preview {
    padding: 6rem 0;
    background: var(--background);
}

.preview-images {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 2rem;
margin-top: 4rem;
}

.preview-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

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

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
}

.preview-overlay h4 {
    margin-bottom: 0.5rem;
}

/* Subscribe Section */
.subscribe {
    padding: 6rem 0 8rem;
    background: var(--section-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.subscribe::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.subscribe-content {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-group input {
    flex: 1;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group button {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-group button:hover {
    background: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--text-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

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

.contact-item a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero .subheading {
        font-size: 1.5rem;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .preview-images {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group input {
        margin-bottom: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
}