/* Base Styles */
:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: url('../images/devops-bg.svg') no-repeat center center/cover, linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.8) 100%);
    text-align: center;
    position: relative;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero h2 {
    color: #3b82f6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* About Section */
.about {
    background-color: var(--bg-white);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.02) 0%, rgba(79, 70, 229, 0.02) 100%);
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
    margin-top: 3rem;
}

.about-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.image-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color, #4f46e5));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.image-placeholder i {
    font-size: 4rem;
    color: white;
    z-index: 1;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.about-stats {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    min-width: 120px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-intro h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.intro-text {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

.about-description p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    grid-column: span 2;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.highlight-item:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.highlight-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color, #4f46e5));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.highlight-item h4 {
    font-size: 1.125rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.highlight-item p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}

.about-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color, #4f46e5));
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* Skills Section Enhancements with Icons */
.skills {
    background-color: var(--bg-light);
}

.skills-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-button {
    background: #e5e7eb;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s ease;
}

.tab-button.active, .tab-button:hover {
    background: #2563eb;
    color: white;
}

.skills-content {
    display: none;
}

.skills-content.active {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #f8fafc;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    width: 120px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.skill-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.skill-item:hover .skill-icon {
    color: #1d4ed8;
    transform: scale(1.1);
}

.skill-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* Responsive Design for Skills Section */
@media (max-width: 768px) {
    .skills-content {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .skills-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .skills-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

.project-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

/* Enhanced Contact Section Design */
.contact {
    background-color: #f3f4f6;
    padding: 3rem 0;
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-method {
    font-size: 1.2rem;
    color: #2563eb;
    transition: color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: 2px solid transparent;
}

.contact-method:hover {
    color: #1d4ed8;
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    background-color: #e5e7eb;
    border-color: #1d4ed8;
}

.contact-method i {
    font-size: 1.5rem;
    margin-right: 0.75rem;
}

/* Certifications Section Enhancements */
.certifications-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    padding: 2rem 0;
}

.certification-card {
    background: #f8fafc;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    width: 300px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.certification-badge {
    width: 150px;
    height: 150px;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.certification-card:hover .certification-badge {
    transform: scale(1.1);
}

/* Footer */
footer {
    background-color: #1f2937;
    color: white;
    padding: 3rem 0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-content {
        text-align: center;
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .stat-item {
        min-width: 100px;
        padding: 1rem 0.75rem;
    }
    
    .about-cta {
        justify-content: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .about-highlights {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .about-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .about-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
}