/* ===== BASIC RESET AND VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #777;
    --white: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    width: 100px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

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

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--primary-color);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 100px 0 50px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    width: 100%;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.hero h2 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 400;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-img-container {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    border: 5px solid var(--secondary-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    background-color: var(--light-color);
}

.profile-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

.btn:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== SECTION STYLES ===== */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* ===== ABOUT SECTION ===== */
.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ===== SKILLS SECTION ===== */
.services {
    background-color: var(--light-color);
}

.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.services-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    text-align: center;
}

.services-card:hover {
    transform: translateY(-5px);
}

.services-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.services-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.services-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.custom-link {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.custom-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* ===== EDUCATION SECTION ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--secondary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    padding: 25px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.6;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    border: 4px solid var(--secondary-color);
    border-radius: 50%;
    top: 20px;
    z-index: 1;
}

.timeline-item:nth-child(odd)::after {
    right: -10px;
}

.timeline-item:nth-child(even)::after {
    left: -10px;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--light-color);
}

.contact-container {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-form {
    flex: 1;
}

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

.form-control {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

textarea.form-control {
    height: 150px;
    resize: vertical;
}

/* ===== CONTACT FORM MESSAGES ===== */
.success-message, .error-message {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    font-weight: 500;
    animation: fadeIn 0.5s ease;
}

.error-message {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
}

.success-message i, .error-message i {
    margin-right: 10px;
    font-size: 1.2rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .profile-img-container {
        width: 300px;
        height: 300px;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-item::after {
        left: 18px;
    }
}

/* Mobile Phones */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 10px 0;
        text-align: center;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .profile-img-container {
        width: 250px;
        height: 250px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .services-container {
        grid-template-columns: 1fr;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

/* Small Mobile Phones */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .profile-img-container {
        width: 200px;
        height: 200px;
    }
    
    .section {
        padding: 60px 0;
    }
}

/* Image compatibility fixes */
.profile-img-container,
.logo {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}