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

:root {
    --primary-bg: #e0e0e0;
    --card-bg: #e0e0e0;
    --text-primary: #2c2c2c;
    --text-secondary: #666666;
    --text-light: #999999;
    --white: #ffffff;
    --black: #000000;
    --shadow-light: #ffffff;
    --shadow-dark: #bebebe;
    --border-radius: 20px;
    --border-radius-small: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Neumorphic Utility Classes */
.neumorphic {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
}

.neumorphic-inset {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 
        inset 8px 8px 16px var(--shadow-dark),
        inset -8px -8px 16px var(--shadow-light);
}

.neumorphic-pressed {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(224, 224, 224, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-placeholder {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        6px 6px 12px var(--shadow-dark),
        -6px -6px 12px var(--shadow-light);
    transition: var(--transition);
}

.logo-placeholder:hover {
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.logo-text {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.company-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    background: var(--card-bg);
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle:hover {
    background: var(--card-bg);
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: var(--card-bg);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
}

.cta-button:hover {
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.cta-button:active {
    box-shadow: 
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.about-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 
        12px 12px 24px var(--shadow-dark),
        -12px -12px 24px var(--shadow-light);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: center;
}

/* Projects Section */
.projects {
    padding: 80px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: 
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        12px 12px 24px var(--shadow-dark),
        -12px -12px 24px var(--shadow-light);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.project-button {
    background: var(--card-bg);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-small);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.project-button:hover {
    box-shadow: 
        2px 2px 4px var(--shadow-dark),
        -2px -2px 4px var(--shadow-light);
}

.project-button:active {
    box-shadow: 
        inset 2px 2px 4px var(--shadow-dark),
        inset -2px -2px 4px var(--shadow-light);
}

/* Footer Section */
.footer {
    background: var(--card-bg);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
    box-shadow: 
        0 -8px 16px var(--shadow-dark),
        0 8px 16px var(--shadow-light);
}

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

.footer-section {
    text-align: center;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.contact-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.contact-value {
    color: var(--text-primary);
}

.contact-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    background: var(--card-bg);
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
    display: inline-block;
    font-weight: 500;
}

.contact-link:hover {
    box-shadow: 
        2px 2px 4px var(--shadow-dark),
        -2px -2px 4px var(--shadow-light);
}

.contact-link:active {
    box-shadow: 
        inset 2px 2px 4px var(--shadow-dark),
        inset -2px -2px 4px var(--shadow-light);
}

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

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-small);
    transition: var(--transition);
    background: var(--card-bg);
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.social-link:hover {
    color: var(--text-primary);
    box-shadow: 
        2px 2px 4px var(--shadow-dark),
        -2px -2px 4px var(--shadow-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(190, 190, 190, 0.3);
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card-bg);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 
            0 8px 16px var(--shadow-dark),
            0 -8px 16px var(--shadow-light);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-container {
        padding: 1rem;
    }

    .company-name {
        font-size: 1.2rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

    .about-card {
        padding: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .project-card {
        padding: 2rem;
    }

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

    .contact-item {
        flex-direction: column;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

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

    .about, .projects {
        padding: 60px 0;
    }

    .about-card {
        padding: 1.5rem;
    }

    .project-card {
        padding: 1.5rem;
    }

    .footer {
        padding: 2rem 0 1rem;
    }
}

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

/* Focus styles for accessibility */
button:focus,
a:focus {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* Contact Page Styles */
.contact-hero {
    padding: 120px 0 60px;
    text-align: center;
}

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

.contact-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-form-section {
    padding: 60px 0 80px;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 
        12px 12px 24px var(--shadow-dark),
        -12px -12px 24px var(--shadow-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input,
.form-textarea {
    background: var(--card-bg);
    border: none;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-small);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
    box-shadow: 
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    box-shadow: 
        inset 6px 6px 12px var(--shadow-dark),
        inset -6px -6px 12px var(--shadow-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
}

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

.form-actions {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.submit-button {
    background: var(--card-bg);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
    position: relative;
    overflow: hidden;
    min-width: 180px;
}

.submit-button:hover {
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.submit-button:active {
    box-shadow: 
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.button-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-light);
    border-top: 2px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

.form-input.error,
.form-textarea.error {
    box-shadow: 
        inset 4px 4px 8px var(--shadow-dark),
        inset -4px -4px 8px var(--shadow-light),
        0 0 0 2px #e74c3c;
}

.success-message {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 
        8px 8px 16px var(--shadow-dark),
        -8px -8px 16px var(--shadow-light);
}

.success-icon {
    width: 60px;
    height: 60px;
    background: #27ae60;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.success-message h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.back-button {
    background: var(--card-bg);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-small);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

.back-button:hover {
    box-shadow: 
        2px 2px 4px var(--shadow-dark),
        -2px -2px 4px var(--shadow-light);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

.logo-link:hover .logo-placeholder {
    box-shadow: 
        4px 4px 8px var(--shadow-dark),
        -4px -4px 8px var(--shadow-light);
}

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

.hero-content,
.about-card,
.project-card,
.form-container {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design for Contact Page */
@media (max-width: 768px) {
    .contact-title {
        font-size: 2.5rem;
    }
    
    .form-container {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .contact-form {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .contact-hero {
        padding: 100px 0 40px;
    }
    
    .contact-title {
        font-size: 2rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .submit-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}