/* CSS Variables for Enhanced Dark Theme */
:root {
    --bg: #0a0a0a;
    --bg-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    --bg-soft: #1a1a2e;
    --bg-card: #1e1e3f;
    --bg-card-hover: #252547;
    --text: #ffffff;
    --text-muted: #a8b2d1;
    --text-secondary: #e2e8f0;
    --accent: #00d4aa;
    --accent-light: #26f7d3;
    --accent-dark: #00a085;
    --accent-gradient: linear-gradient(135deg, #00d4aa 0%, #26f7d3 100%);
    --accent-secondary: #6366f1;
    --accent-secondary-light: #8b5cf6;
    --border: #2d2d4a;
    --border-light: #4a4a6a;
    --border-accent: rgba(0, 212, 170, 0.2);
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
    --shadow-accent: 0 8px 32px rgba(0, 212, 170, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-gradient);
    background-attachment: fixed;
    direction: rtl;
    text-align: right;
    min-height: 100vh;
    position: relative;
}

/* Animated background elements */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.25rem;
    font-weight: 700;
}

h2 {
    font-size: 1.875rem;
    color: var(--accent);
    border-bottom: 2px solid var(--border);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

/* Header */
.header {
    background: rgba(26, 26, 46, 0.95);
    border-bottom: 1px solid var(--border-accent);
    box-shadow: var(--shadow-glow);
}


.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.profile-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid transparent;
    background: var(--accent-gradient);
    background-clip: padding-box;
    transition: var(--transition);
    position: relative;
}

.profile-image::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: var(--accent-gradient);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-accent);
}

.profile-image:hover::before {
    opacity: 1;
}

.profile-info .name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text);
}

.profile-info .title {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.icon-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: var(--transition);
    z-index: -1;
}

.icon-link:hover {
    color: var(--text);
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
    border-color: var(--accent);
}

.icon-link:hover::before {
    left: 0;
}

.icon-link:focus {
    outline: 2px solid var(--accent-light);
    outline-offset: 2px;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
    font-size: 0.875rem;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text);
    border-color: transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    transition: var(--transition);
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover::before {
    left: 0;
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-light);
    color: var(--text);
}

.qr-code {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-placeholder {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
}

.qr-placeholder:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.qr-placeholder small {
    font-size: 0.625rem;
    margin-top: 2px;
}

/* Main Content */
.main {
    padding: var(--spacing-2xl) 0 0;
}

.section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.section-icon {
    font-size: 1.5rem;
    filter: grayscale(1) brightness(1.2);
    transition: var(--transition);
}

.section:hover .section-icon {
    filter: grayscale(0) brightness(1);
    transform: scale(1.1);
}

/* Summary Section */
.summary-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

/* Achievements */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.achievement-card:hover::before {
    transform: scaleX(1);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
}

.achievement-text {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Skills */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.skill-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.skill-group:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--border-light);
}

.skill-group:hover::before {
    opacity: 1;
}

.skill-group-title {
    font-size: 1.25rem;
    color: var(--accent);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--bg-soft);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 24px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    transition: var(--transition);
    z-index: -1;
}

.skill-tag:hover {
    color: var(--text);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.skill-tag:hover::before {
    left: 0;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

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

.project-card:hover::after {
    opacity: 1;
}

.project-title {
    color: var(--accent);
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
}

.project-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.project-content strong {
    color: var(--text);
    font-weight: 600;
}

.project-content{
    text-align: justify;
}

.project-kpi {
    background: var(--bg-soft);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-lg) 0;
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.project-kpi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 212, 170, 0.1);
    border-radius: var(--radius);
    z-index: -1;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    margin-top: var(--spacing-lg);
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-secondary);
    background: var(--bg-card-hover);
}

.testimonial-card:hover::before {
    opacity: 1;
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    padding-right: var(--spacing-lg);
}

.testimonial-content p::before {
    content: '"';
    position: absolute;
    right: 0;
    top: -10px;
    font-size: 3rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.4;
}

.testimonial-author strong {
    color: var(--text);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--bg-soft);
    border-top: 1px solid var(--border-accent);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent-gradient);
    opacity: 0.5;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-item {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.info-item strong {
    color: var(--text);
    font-weight: 600;
}

.footer-copyright {
    text-align: left;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .profile-section {
        justify-content: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    .action-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .btn {
        flex: 1;
        min-width: 120px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-copyright {
        text-align: center;
    }
    
    h1 {
        font-size: 1.875rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .achievements-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .achievement-number {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        padding: var(--spacing-md) 0;
    }
    
    .profile-image {
        width: 60px;
        height: 60px;
    }
    
    .profile-info .name {
        font-size: 1.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 320px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .profile-section {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .social-icons {
        gap: var(--spacing-xs);
    }
    
    .icon-link {
        width: 36px;
        height: 36px;
    }
}

/* Print Styles */
@media print {
    :root {
        --bg: #ffffff;
        --bg-soft: #f9f9f9;
        --bg-card: #ffffff;
        --text: #000000;
        --text-muted: #666666;
        --text-secondary: #333333;
        --accent: #000000;
        --border: #cccccc;
    }
    
    * {
        background: transparent !important;
        color: inherit !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .header {
        position: static;
        border-bottom: 2px solid var(--border);
        margin-bottom: 20pt;
        page-break-inside: avoid;
    }
    
    .header-content {
        flex-direction: row;
        flex-wrap: nowrap;
        padding: 10pt 0;
    }
    
    .qr-code {
        display: none;
    }
    
    .btn {
        display: none;
    }
    
    .btn-primary:first-of-type,
    .btn-secondary:first-of-type {
        display: inline-block;
        border: 1px solid var(--border);
        padding: 4pt 8pt;
        margin: 0 4pt;
        background: transparent;
        color: var(--text);
        text-decoration: none;
    }
    
    .section {
        margin-bottom: 15pt;
        page-break-inside: avoid;
    }
    
    .section-title {
        border-bottom: 1px solid var(--border);
        padding-bottom: 5pt;
        margin-bottom: 10pt;
    }
    
    .achievements-grid,
    .projects-grid,
    .testimonials-grid,
    .skills-container {
        display: block;
    }
    
    .achievement-card,
    .project-card,
    .testimonial-card,
    .skill-group {
        border: 1px solid var(--border);
        margin-bottom: 10pt;
        padding: 10pt;
        page-break-inside: avoid;
    }
    
    .skill-tags {
        display: block;
    }
    
    .skill-tag {
        display: inline-block;
        border: 1px solid var(--border);
        margin: 2pt;
        padding: 2pt 6pt;
        background: transparent;
    }
    
    .footer {
        border-top: 1px solid var(--border);
        margin-top: 20pt;
        padding-top: 10pt;
        font-size: 10pt;
    }
    
    a {
        color: var(--text);
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: var(--text-muted);
    }
    
    .testimonials-grid {
        display: none;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .project-link {
        color: var(--text);
        text-decoration: underline;
    }
    
    .icon-link {
        display: none;
    }
}

/* Focus and Accessibility */
*:focus {
    outline: 2px solid var(--accent-light);
    outline-offset: 2px;
}

.last-update{
    display: inline-block;
    direction: ltr;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #ffffff;
        --border-light: #ffffff;
        --text-muted: #ffffff;
        --text-secondary: #ffffff;
    }
}

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


/* Top Nav */
.top-nav { display:flex; gap: var(--spacing-sm); align-items:center; flex-wrap: wrap; }
.top-nav-link { color: var(--text-secondary); text-decoration:none; padding: var(--spacing-xs) var(--spacing-sm); border-radius: var(--radius); border:1px solid var(--border); transition: var(--transition); }
.top-nav-link:hover { color: var(--text); background: var(--bg-card); border-color: var(--border-light); }

/* Contact */
.contact-grid { display:grid; grid-template-columns: 1fr; gap: var(--spacing-lg); }
.contact-card { background: var(--bg-card); border:1px solid var(--border); border-radius: var(--radius-lg); padding: var(--spacing-xl); }
.contact-card a { color: var(--accent); text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }