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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #4a4a4a;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background-color: #000000;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #333333;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: #000000;
    border: 2px solid #000000;
}

.btn-secondary:hover {
    background-color: #000000;
    color: #ffffff;
    transform: translateY(-2px);
}

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

/* App Store Button */
.app-store-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: #000000;
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-family: inherit;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.app-store-button:hover {
    background: #333333;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.app-store-button svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.app-store-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.download-text {
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.8;
}

.store-name {
    font-size: 1.1rem;
    font-weight: 600;
}

.cta-app-store {
    padding: 16px 24px;
    font-size: 1.1rem;
}

.cta-app-store .store-name {
    font-size: 1.2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e5e5;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-logo .logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: #000000;
}

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

.nav-links a {
    text-decoration: none;
    color: #4a4a4a;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #000000;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: #ffffff;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #000000 0%, #333333 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: #666666;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: #4a4a4a;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

/* App Mockup */
.app-screenshot {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.screenshot-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e5e5;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

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

.section-header p {
    font-size: 1.2rem;
    color: #666666;
    max-width: 600px;
    margin: 0 auto;
}

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

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #000000;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.step p {
    color: #4a4a4a;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.founder-info {
    background: #ffffff;
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid #e5e5e5;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.founder-avatar {
    width: 120px;
    height: 120px;
    background: #000000;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 3rem;
    margin: 0 auto 2rem;
}

.founder-info h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.founder-title {
    font-size: 1.2rem;
    color: #666666;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.founder-bio {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4a4a4a;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.founder-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: #0077b5;
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.linkedin-link:hover {
    background: #005885;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 119, 181, 0.3);
}

.linkedin-link svg {
    width: 16px;
    height: 16px;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: #000000;
    color: #ffffff;
    text-align: center;
}

.cta-content h2 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: #cccccc;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    font-size: 0.9rem;
    color: #999999;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 60px 0 20px;
}

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

.footer-logo .logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    display: block;
}

.footer-section h4 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #333333;
    padding-top: 2rem;
    text-align: center;
    color: #999999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .app-store-button {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .founder-info {
        padding: 2rem;
    }
    
    .founder-avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.step,
.founder-info {
    animation: fadeInUp 0.6s ease-out;
}

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