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

:root {
    /* Color Palette */
    --color-white: #FFFFFF;
    --color-snow: #F5F5F5;
    --color-silver: #C0C0C0;
    --color-dark: #1a1a1a;
    --color-gray: #666666;
    --color-light-gray: #f8f9fa;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    --border-radius: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Section Styles */
section {
    scroll-snap-align: start;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-silver), var(--color-dark));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

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

.nav-logo {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--color-dark);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    color: var(--color-silver);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 400;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-silver);
}

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

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

/* Mobile Navigation */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--color-dark);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-snow) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 60px;
    min-height: 100vh;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    margin-bottom: 30px;
}

.hero-name {
    display: block;
    font-family: var(--font-secondary);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1.2;
}

.hero-subtitle {
    display: block;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--color-gray);
    font-weight: 300;
    margin-top: 10px;
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--color-gray);
    margin-bottom: 40px;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

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

.floating-icon {
    width: 120px;
    height: 120px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    animation: float 3s ease-in-out infinite;
}

.floating-icon i {
    font-size: 3rem;
    color: #4285f4;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--color-silver);
    position: relative;
    animation: scroll-bounce 2s infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -3px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--color-silver);
    border-bottom: 2px solid var(--color-silver);
    transform: rotate(45deg);
}

@keyframes scroll-bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-dark);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-silver);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--color-silver);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* About Section */
.about {
    background: var(--color-snow);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.stats-grid {
    display: grid;
    gap: 30px;
}

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

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

.stat-number {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-dark);
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--color-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Skills Section */
.skills {
    background: var(--color-white);
}

.skills-content {
    display: grid;
    gap: 60px;
}

.skills-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
}

.skill-chip {
    background: var(--color-snow);
    color: var(--color-dark);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    cursor: pointer;
}

.skill-chip:hover,
.skill-chip.active {
    background: var(--color-silver);
    color: var(--color-white);
    transform: translateY(-2px);
}

.skills-bars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.skills-column {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.skill-bar {
    transition: var(--transition-normal);
}

.skill-bar.highlighted {
    background: var(--color-white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    transform: scale(1.02);
}

.skill-bar.highlighted .skill-name {
    font-weight: 500;
    color: var(--color-dark);
}

.skill-bar.highlighted .skill-fill {
    background: linear-gradient(90deg, #4285f4, var(--color-dark));
}

.skill-bar {
    margin-bottom: 30px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.skill-name {
    font-weight: 500;
    color: var(--color-dark);
}

.skill-percentage {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.skill-progress {
    height: 8px;
    background: var(--color-snow);
    border-radius: 4px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-silver), var(--color-dark));
    border-radius: 4px;
    width: 0;
    transition: width 1s ease-out;
}

/* Experience Timeline */
.experience {
    background: var(--color-snow);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-silver);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 40px;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 40px;
    text-align: left;
}

.timeline-marker {
    position: absolute;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--color-dark);
    border: 4px solid var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-light);
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -8px;
}

.timeline-content {
    background: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

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

.timeline-period {
    color: var(--color-silver);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.timeline-title {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 5px;
}

.timeline-company {
    color: var(--color-gray);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.timeline-description {
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.timeline-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tool-badge {
    background: var(--color-snow);
    color: var(--color-dark);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Education Section */
.education {
    background: var(--color-white);
}

.education-content {
    max-width: 1000px;
    margin: 0 auto;
}

.education-item {
    display: flex;
    align-items: center;
    gap: 30px;
    background: var(--color-snow);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 60px;
    transition: var(--transition-normal);
}

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

.education-icon {
    width: 80px;
    height: 80px;
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.education-info h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: 5px;
}

.education-info p {
    color: var(--color-gray);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.education-period {
    color: var(--color-silver);
    font-size: 0.9rem;
    font-weight: 500;
}

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

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

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

.cert-icon {
    width: 60px;
    height: 60px;
    background: var(--color-snow);
    color: var(--color-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.cert-card h4 {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.cert-card p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* Portfolio Section */
.portfolio {
    background: var(--color-snow);
}

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

.portfolio-item {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-normal);
}

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

.portfolio-image {
    height: 200px;
    background: var(--color-snow);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-placeholder {
    font-size: 3rem;
    color: var(--color-silver);
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-placeholder {
    transform: scale(1.1);
    color: var(--color-dark);
}

.portfolio-overlay {
    padding: 30px;
}

.portfolio-overlay h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: var(--color-gray);
    margin-bottom: 20px;
}

.portfolio-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.portfolio-stats .stat {
    background: var(--color-snow);
    color: var(--color-dark);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: var(--color-snow);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    background: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-silver);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.1);
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-methods {
    display: grid;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--color-snow);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--color-dark);
    transition: var(--transition-normal);
}

.contact-method:hover {
    background: var(--color-dark);
    color: var(--color-white);
    transform: translateX(10px);
}

.contact-method i {
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.contact-method.whatsapp:hover {
    background: #25d366;
}

.contact-method.telegram:hover {
    background: #0088cc;
}

.contact-method.linkedin:hover {
    background: #0077b5;
}

.contact-method.email:hover {
    background: #ea4335;
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.back-to-top {
    width: 50px;
    height: 50px;
    background: var(--color-silver);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top:hover {
    background: var(--color-white);
    color: var(--color-dark);
    transform: translateY(-3px);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--color-dark);
    color: var(--color-white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    transform: translateX(400px);
    transition: var(--transition-normal);
    z-index: 1001;
}

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

.toast-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.toast-content i {
    color: #4caf50;
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    section {
        padding-top: 100px;
        padding-bottom: 40px;
    }
    
    .skills-bars {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 70px !important;
        padding-right: 0 !important;
        text-align: left !important;
    }
    
    .timeline-marker {
        left: 22px !important;
        right: auto !important;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 15px;
    }
    
    section {
        padding-top: 90px;
        padding-bottom: 30px;
    }
    
    .skills-bars {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-medium);
        padding: 20px 0;
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-chips {
        justify-content: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .education-item {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        max-width: 300px;
    }
    
    .timeline-item {
        padding-left: 50px !important;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        left: 12px !important;
    }
    
    .contact-methods {
        gap: 15px;
    }
    
    .contact-method {
        padding: 15px;
    }
    
    .toast {
        right: 15px;
        left: 15px;
        transform: translateY(100px);
    }
    
    .toast.show {
        transform: translateY(0);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: var(--transition-slow);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: var(--transition-slow);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Focus States for Accessibility */
.btn:focus,
.nav-link:focus,
.contact-method:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--color-silver);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-gray: #000000;
        --color-silver: #000000;
    }
    
    .btn-secondary {
        border-color: var(--color-dark);
    }
}


/* Remove all previous lightbox styles */


/* Image Modal Styles */
.image-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 0;
    width: 90%;
    max-width: 1200px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.modal-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.modal-caption {
    color: #fff;
    font-size: 1.2rem;
    text-align: center;
    margin-top: 20px;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    max-width: 80%;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
    }
    
    .modal-image {
        max-height: 75vh;
    }
    
    .close-btn {
        top: 10px;
        right: 15px;
        font-size: 30px;
        width: 40px;
        height: 40px;
    }
    
    .modal-caption {
        font-size: 1rem;
        margin-top: 15px;
    }
}


/* Company-specific icon colors for certifications */
.cert-card .cert-icon i.fab.fa-google {
    color: #4285f4;
}

.cert-card .cert-icon i.fas.fa-play-circle {
    color: #a435f0; /* Udemy purple */
}

.cert-card .cert-icon i.fas.fa-chart-bar {
    color: #03a9f4; /* DataCamp blue */
}

.cert-card .cert-icon i.fas.fa-search {
    color: #ff6900; /* SEMrush orange */
}