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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 0 60px;
    position: relative;
}

.header .container {
    position: relative;
    z-index: 2;
}

.main-title {
    font-size: 3.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Navigation Styles */
.navbar {
    background: white;
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-links {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0;
}

.nav-link {
    display: block;
    color: #4a5568;
    text-decoration: none;
    padding: 20px 28px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: #667eea;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Main Content */
.main-content {
    padding: 0;
}

/* Section Styles */
.section {
    background: white;
    margin-bottom: 0;
    padding: 80px 0;
    border-bottom: 1px solid #e2e8f0;
}

.section:last-child {
    border-bottom: none;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    text-align: center;
}

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

.section-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #4a5568;
    font-weight: 400;
}

.section-content p:last-child {
    margin-bottom: 0;
}

/* Special styling for different sections */
#home {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-bottom: none;
}

#about {
    background: white;
}

#product {
    background: #f7fafc;
}

#contact {
    background: white;
    border-bottom: none;
}

/* Email Link */
.email-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.email-link:hover {
    color: #764ba2;
    transform: translateY(-1px);
}

.email-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.email-link:hover::after {
    width: 100%;
}

/* Contact Section Specific Styles */
.contact-info {
    margin-top: 32px;
}

.contact-cta {
    margin-top: 32px;
}

.contact-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    text-align: center;
    padding: 60px 0;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header {
        padding: 60px 0 50px;
    }

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

    .subtitle {
        font-size: 1.1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        padding: 16px 20px;
        font-size: 0.9rem;
    }

    .section {
        padding: 60px 0;
    }

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

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

    .contact-button,
    .cta-button {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }

    .header {
        padding: 50px 0 40px;
    }

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

    .subtitle {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link {
        padding: 16px 20px;
        text-align: center;
        border-bottom: 1px solid #e2e8f0;
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-link::after {
        display: none;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-content p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .contact-button,
    .cta-button {
        padding: 12px 24px;
        font-size: 0.9rem;
        display: block;
        text-align: center;
        margin: 0 auto;
        max-width: 200px;
    }

    .footer {
        padding: 40px 0;
    }
}

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

/* Animation for sections */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.section {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Add subtle floating animation to header */
.header {
    animation: float 6s ease-in-out infinite;
}

/* Gradient text effect for special elements */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Add modern glass morphism effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}