/* CSS Custom Properties */
:root {
    --primary-white: #FFFFFF;
    --primary-red: #E63946;
    --primary-red-dark: #DC2F02;
    --primary-blue: #0077B6;
    --primary-blue-dark: #023E8A;
    --gradient-primary: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-blue) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background: var(--primary-white);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-red);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

/* Spin Wheel Sidebar */
.spin-wheel-container {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 250px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-heavy);
    z-index: 100;
    transition: var(--transition);
}

.wheel-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

#skillWheel {
    border-radius: 50%;
    box-shadow: var(--shadow-medium);
    transition: transform 0.1s ease-out;
}

.wheel-pointer {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 15px solid var(--primary-red);
    z-index: 10;
}

.spin-button {
    margin-top: 15px;
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.spin-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.spin-button:active {
    transform: translateY(0);
}

.spin-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.selected-skills h3 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-align: center;
}

.skill-display {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-item {
    background: var(--gradient-secondary);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Main Content */
.main-content {
    margin-left: 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    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="50" cy="50" r="1" fill="%23E63946" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.highlight {
    color: var(--primary-red);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-3px);
}

.hero-visual {
    position: relative;
    height: 400px;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    animation: float 3s ease-in-out infinite;
    transition: var(--transition);
}

.floating-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.floating-card:nth-child(1) {
    top: 20px;
    right: 50px;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 120px;
    right: 20px;
    animation-delay: 1s;
}

.floating-card:nth-child(3) {
    top: 220px;
    right: 80px;
    animation-delay: 2s;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.floating-card h3 {
    color: var(--primary-blue);
    font-size: 1rem;
    font-weight: 600;
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about {
    background: var(--primary-white);
}

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

.about-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 3rem;
    text-align: center;
    line-height: 1.8;
}

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

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-text h4 {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.highlight-text p {
    color: #666;
    font-size: 0.9rem;
}

/* Experience Section */
.experience {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 10px;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-medium);
}

.timeline-content {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.timeline-content h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--primary-red);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
}

.timeline-content p {
    color: #666;
    margin-top: 1rem;
    line-height: 1.6;
}

/* Projects Section */
.projects {
    background: var(--primary-white);
}

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

.project-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    text-align: center;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.project-card h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tech-tag {
    background: var(--gradient-secondary);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 15px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-medium);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

/* Footer */
.footer {
    background: var(--primary-blue-dark);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-card {
        position: relative;
        margin: 10px;
        display: inline-block;
    }
    
    .floating-card:nth-child(1),
    .floating-card:nth-child(2),
    .floating-card:nth-child(3) {
        position: relative;
        top: auto;
        right: auto;
    }
    
    .spin-wheel-container {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 100%;
        margin: 20px 0;
        order: -1;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}