@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 40px;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 24px;
    font-weight: normal;
    font-style: normal;
    text-decoration: none;
    color: #333;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.7;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 400;
    transition: opacity 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 0.6;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #8b5cf6;
}

/* Page container aligned with header */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.05"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: bold;
    margin-bottom: 30px;
    letter-spacing: -2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.dropdown-container {
    display: inline-flex;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.dropdown {
    position: relative;
}

.dropdown-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Hero Variations */
.hero.projects-hero {
    height: 60vh;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.hero.contact-hero {
    height: 60vh;
    background: linear-gradient(135deg, #059669 0%, #0891b2 100%);
}

/* Main Content */
.main-content {
    padding: 100px 0;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: normal;
    margin-top: 30px;
    margin-bottom: 30px;
    color: #333;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 60px;
    max-width: 800px;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.project-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    background: white;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(45deg, #f0f9ff, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #8b5cf6;
    transition: all 0.3s ease;
}

.project-card:hover .project-image {
    background: linear-gradient(45deg, #e0e7ff, #c7d2fe);
}

.project-info {
    padding: 30px;
    background: white;
}

.project-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.project-description {
    color: #666;
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e5e5e5;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* Contact Info */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
}

.contact-info p {
    color: #666;
    margin-bottom: 40px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-details {
    display: grid;
    gap: 20px;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.contact-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    color: #333;
}

.contact-item strong {
    color: #8b5cf6;
    margin-right: 10px;
}

/* Footer */
footer {
    background: #f8f9fa;
    padding: 60px 40px;
    text-align: center;
    color: #666;
    border-top: 1px solid #e5e5e5;
}

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

.project-card {
    animation: fadeIn 0.6s ease forwards;
}

.project-card:nth-child(2) {
    animation-delay: 0.1s;
}

.project-card:nth-child(3) {
    animation-delay: 0.2s;
}

.project-card:nth-child(4) {
    animation-delay: 0.3s;
}

.project-card:nth-child(5) {
    animation-delay: 0.4s;
}

.project-card:nth-child(6) {
    animation-delay: 0.5s;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        padding: 15px 20px;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-links a {
        font-size: 14px;
    }

    .main-content {
        padding: 80px 20px;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .dropdown-container {
        flex-direction: column;
        align-items: center;
    }

    .dropdown-btn {
        font-size: 16px;
        padding: 12px 20px;
    }

    .hero {
        height: 80vh;
    }

    .hero.projects-hero,
    .hero.contact-hero {
        height: 50vh;
    }

    .contact-details {
        text-align: center;
    }
}

/* Universal Content Styles */
.content-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.content-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.content-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.content-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.content-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #ffffff;
}

.content-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    font-size: 1rem;
}

.content-link {
    display: inline-block;
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    padding: 12px 24px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
}

.content-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .content-card {
        padding: 30px 20px;
    }
    
    .content-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 15px;
    }

    .nav-links a {
        font-size: 13px;
    }

    .main-content {
        padding: 60px 15px;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 0 10px;
    }
}