/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background-color: #f0f2f5;
    --text-color: #2d3436;
    --gradient-1: linear-gradient(135deg, #2c3e50, #3498db);
    --gradient-2: linear-gradient(135deg, #3498db, #2c3e50);
    --gradient-3: linear-gradient(135deg, #f95959, #c0392b);
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(44, 62, 80, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 95%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 80px 0 40px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.1;
}

.profile-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.profile-image img {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(44, 62, 80, 0.25);
    transition: var(--transition);
}

.profile-image img:hover {
    transform: scale(1.05);
    border-color: white;
    box-shadow: 0 8px 32px rgba(52, 152, 219, 0.3);
}

.profile-image-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    border: 3px dashed rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.profile-image-placeholder:hover {
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
}

.profile-image-placeholder i {
    font-size: 50px;
    margin-bottom: 10px;
}

.profile-info {
    flex: 1;
}

.profile-info h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.profile-info #title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    opacity: 0.9;
    font-weight: 500;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.contact-info p {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 24px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info p:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.contact-info i {
    font-size: 1.2rem;
    color: #f8f9fa;
}

/* Navigation Styles */
nav {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav ul {
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

nav li {
    margin: 0 20px;
}

nav a {
    color: var(--primary-color);
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 30px;
    transition: var(--transition);
    position: relative;
}

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

nav a:hover {
    color: var(--secondary-color);
}

/* Main Content Styles */
main {
    padding: 60px 0;
}

.section {
    margin-bottom: 80px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.section:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.section h2 {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 24px 30px;
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.section-content {
    padding: 35px;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--secondary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--background-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.timeline-item:hover {
    transform: translateX(10px);
    background: white;
    box-shadow: var(--box-shadow);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -46px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    border: 4px solid white;
    box-shadow: 0 0 0 3px var(--secondary-color);
}

.timeline-date {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.timeline-content h3 {
    margin-bottom: 8px;
    color: var(--primary-color);
}

/* Project Styles */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(44, 62, 80, 0.05);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--secondary-color);
    transform: scaleY(0);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(44, 62, 80, 0.15);
    border-color: rgba(44, 62, 80, 0.1);
}

.project-card:hover::before {
    transform: scaleY(1);
}

.project-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.tag {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tag:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #3498db, #2c3e50);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Skills Styles */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-list li {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-list li:hover {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 30px 0;
    text-align: center;
    margin-top: 60px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(44, 62, 80, 0.1);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--background-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.submit-btn {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: block;
    width: 100%;
    margin-top: 30px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .contact-info {
        justify-content: center;
    }

    nav ul {
        flex-wrap: wrap;
        gap: 10px;
    }

    nav li {
        margin: 0;
    }

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

    .skills-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .profile-image img {
        width: 180px;
        height: 180px;
    }

    .profile-info h1 {
        font-size: 2.5rem;
    }

    .section h2 {
        font-size: 1.5rem;
        padding: 15px 20px;
    }

    .section-content {
        padding: 20px;
    }
}

/* Notification Styles */
.notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    transform: translateX(150%);
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification i {
    font-size: 1.2rem;
}

.notification.success i {
    color: #2ecc71;
}

.notification.error i {
    color: #e74c3c;
}

.notification-message {
    color: var(--text-color);
    font-size: 0.95rem;
}

.notification-close {
    background: none;
    border: none;
    color: #95a5a6;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s;
}

.notification-close:hover {
    color: #7f8c8d;
}