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

:root {
    --primary-color: #1a1f36;
    --secondary-color: #635bff;
    --accent-color: #00d4ff;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #48bb78;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header and Navigation */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1.2rem 0;
}

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

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo .tagline {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    position: relative;
}

.nav-menu a:hover {
    color: var(--secondary-color);
    background-color: rgba(99, 91, 255, 0.05);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 70%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 140px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background-color: var(--white);
    color: var(--secondary-color);
    padding: 16px 48px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

.about h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 1rem;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 1.8rem;
    color: var(--text-dark);
}

.values {
    margin-top: 3rem;
    padding: 3rem;
    background: linear-gradient(135deg, rgba(99, 91, 255, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(99, 91, 255, 0.1);
    box-shadow: var(--card-shadow);
}

.values h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.values ul {
    list-style: none;
    display: grid;
    gap: 1.5rem;
}

.values li {
    padding: 1.2rem;
    font-size: 1.05rem;
    line-height: 1.7;
    background-color: var(--white);
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.values li:hover {
    transform: translateX(5px);
    box-shadow: var(--card-shadow);
}

.values li strong {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
}

.portfolio h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 1rem;
}

.portfolio h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.portfolio-grid {
    display: grid;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.portfolio-item {
    background-color: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.portfolio-item:hover::before {
    transform: scaleX(1);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--secondary-color);
}

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

.portfolio-header h3 {
    font-size: 2.2rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.badge {
    background: linear-gradient(135deg, var(--success-color), #3ecc7a);
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.3);
}

.portfolio-description {
    font-size: 1.1rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.portfolio-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(99, 91, 255, 0.03) 0%, rgba(0, 212, 255, 0.03) 100%);
    border-radius: 12px;
    border: 1px solid rgba(99, 91, 255, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.4rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.portfolio-highlights {
    margin-bottom: 1.5rem;
}

.portfolio-highlights h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.portfolio-highlights ul {
    list-style: none;
    padding-left: 0;
}

.portfolio-highlights li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.portfolio-highlights li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    background-color: rgba(99, 91, 255, 0.05);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.portfolio-link:hover {
    color: var(--white);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-color: var(--secondary-color);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(99, 91, 255, 0.3);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-light) 100%);
}

.contact h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 4rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 1rem;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info > p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-details {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--secondary-color);
}

.contact-item h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-item p {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

.contact-item a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.contact-item a:hover {
    color: var(--accent-color);
    transform: translateX(3px);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 91, 255, 0.5), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        width: 100%;
    }

    .nav-menu a::after {
        display: none;
    }

    .hero {
        padding: 100px 0;
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .cta-button {
        padding: 14px 36px;
        font-size: 1rem;
    }

    .about,
    .portfolio,
    .contact {
        padding: 60px 0;
    }

    .about h2,
    .portfolio h2,
    .contact h2 {
        font-size: 2.2rem;
        margin-bottom: 3rem;
    }

    .about h2::after,
    .portfolio h2::after,
    .contact h2::after {
        width: 60px;
        height: 3px;
    }

    .values {
        padding: 2rem;
    }

    .values h3 {
        font-size: 1.6rem;
    }

    .portfolio-item {
        padding: 2rem;
    }

    .portfolio-header h3 {
        font-size: 1.8rem;
    }

    .portfolio-stats {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .contact-item {
        padding: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-section ul li a:hover {
        transform: none;
    }
}