/* ============================================
   MAIN CSS
   ============================================ */
@media (min-width: 576px) { .logo-text { display: block; } }

.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: var(--transition); position: relative; }
.nav-links a:hover { color: #fff; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--gradient-2); border-radius: 2px; transition: width 0.3s; }
.nav-links a:hover::after { width: 100%; }
.nav-cta { background: var(--gradient-1); color: #fff !important; padding: 0.5rem 1.5rem !important; border-radius: 50px; font-weight: 600 !important; }
.nav-cta::after { display: none !important; }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 1001; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* Hero Subtitle */
.hero-subtitle { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 2rem; }
.subtitle-item { display: flex; align-items: center; gap: 0.6rem; color: var(--text-secondary); font-size: 1rem; }
.subtitle-item i { color: var(--primary-light); font-size: 1.1rem; }

/* Stats */
.stats-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; margin: 0 0 5rem; position: relative; z-index: 10; }
.stat-card { background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 2rem 1.5rem; text-align: center; transition: var(--transition); }
.stat-card:hover { transform: translateY(-8px); border-color: var(--border); box-shadow: var(--shadow-lg); }
.stat-icon-wrap { width: 55px; height: 55px; margin: 0 auto 1rem; background: rgba(99,102,241,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.stat-icon-wrap i { color: var(--primary-light); font-size: 1.3rem; }
.stat-number { font-size: 2.5rem; font-weight: 800; background: var(--gradient-2); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 0.3rem; }
.stat-label { color: var(--text-muted); font-size: 0.85rem; }

/* Sections */
.section { padding: 5rem 0; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-badge { display: block; width: fit-content; margin: 0 auto 1.5rem; padding: 0.3rem 1.2rem; background: rgba(99,102,241,0.08); border: 1px solid var(--border); border-radius: 50px; color: var(--primary-light); font-size: 0.8rem; }
.section-header h2 { font-size: 2.5rem; font-weight: 700; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; display: block; margin-bottom: 1rem; }
.section-line { width: 60px; height: 3px; background: var(--gradient-2); border-radius: 3px; margin: 0 auto; }

/* About */
.about-card { background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius-xl); padding: 3rem; }
.about-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.about-text { color: var(--text-secondary); font-size: 1.05rem; line-height: 2; margin-bottom: 2rem; }
.about-text strong { color: var(--text); }
.about-highlights { display: flex; flex-direction: column; gap: 1rem; }
.highlight-item { display: flex; align-items: center; gap: 1rem; color: var(--text-secondary); }
.highlight-icon { width: 36px; height: 36px; background: rgba(34,197,94,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.highlight-icon i { color: #22c55e; font-size: 0.9rem; }
.about-stats { display: flex; flex-direction: column; gap: 1rem; }
.about-stat-card { background: rgba(99,102,241,0.05); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 1.5rem; text-align: center; transition: var(--transition); }
.about-stat-card:hover { border-color: var(--border); transform: translateX(-5px); }
.about-stat-icon { width: 45px; height: 45px; margin: 0 auto 0.8rem; background: rgba(99,102,241,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.about-stat-icon i { color: var(--primary-light); font-size: 1.1rem; }
.about-stat-number { display: block; font-size: 1.8rem; font-weight: 800; color: var(--primary-light); line-height: 1; margin-bottom: 0.2rem; }
.about-stat-label { color: var(--text-muted); font-size: 0.8rem; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 1.5rem; }
.skill-card { background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 2rem; display: flex; gap: 1.5rem; transition: var(--transition); position: relative; overflow: hidden; }
.skill-card::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--gradient-2); transform: scaleX(0); transition: transform 0.4s; }
.skill-card:hover { transform: translateY(-5px); border-color: var(--border); box-shadow: var(--shadow-glow); }
.skill-card:hover::after { transform: scaleX(1); }
.skill-icon-box { width: 55px; height: 55px; background: rgba(99,102,241,0.1); border-radius: 14px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.skill-icon-box i { color: var(--primary-light); font-size: 1.5rem; }
.skill-info { flex: 1; }
.skill-info h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.skill-info p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1rem; line-height: 1.7; }
.skill-progress { height: 6px; background: rgba(255,255,255,0.05); border-radius: 10px; overflow: hidden; margin-bottom: 0.5rem; direction: ltr; }
.skill-bar { height: 100%; background: var(--gradient-2); border-radius: 10px; width: 0; transition: width 1.8s ease; float: right; }
.skill-meta { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); }
.skill-meta span:last-child { color: var(--primary-light); font-weight: 600; }

/* ============================================
   PORTFOLIO (UPDATED)
   ============================================ */
.portfolio-filter { display: flex; justify-content: center; gap: 0.8rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.filter-btn { padding: 0.6rem 1.5rem; background: rgba(255,255,255,0.02); border: 1px solid var(--border-light); border-radius: 50px; color: var(--text-secondary); cursor: pointer; font-family: inherit; font-size: 0.9rem; display: flex; align-items: center; gap: 0.5rem; transition: var(--transition); }
.filter-btn.active, .filter-btn:hover { background: var(--gradient-1); color: #fff; border-color: transparent; box-shadow: 0 8px 25px rgba(99,102,241,0.3); }

.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 2rem; }

.portfolio-card { 
    background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); 
    border: 1px solid var(--border-light); border-radius: var(--radius-lg); overflow: hidden; 
    transition: var(--transition); display: flex; flex-direction: column; 
}
.portfolio-card:hover { transform: translateY(-8px); border-color: var(--border); box-shadow: var(--shadow-lg); }

/* تصویر نمونه کار */
.portfolio-image { 
    height: 240px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; 
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.1));
    text-decoration: none; display: block;
}

/* استایل عکس */
.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.6s ease;
    position: relative;
    z-index: 1;
}
.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

/* آیکون fallback */
.portfolio-fallback-icon { 
    color: var(--primary-light); font-size: 3.5rem; transition: transform 0.5s; 
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 0;
}
/* آیکون fallback فقط وقتی عکس لود نشه دیده میشه */
.portfolio-image img[src] + .portfolio-fallback-icon { display: none; }
.portfolio-card:hover .portfolio-fallback-icon { transform: translate(-50%, -50%) scale(1.2) rotate(-10deg); }

/* Overlay */
.portfolio-overlay { 
    position: absolute; inset: 0; background: rgba(99,102,241,0.9); 
    display: flex; flex-direction: column; align-items: center; justify-content: center; 
    opacity: 0; transition: opacity 0.4s; color: #fff; text-align: center; z-index: 3; 
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay i { font-size: 2rem; margin-bottom: 0.5rem; }
.portfolio-overlay h3 { font-size: 1.2rem; margin-bottom: 0.2rem; }
.portfolio-overlay p { font-size: 0.85rem; opacity: 0.9; }

/* Badge */
.portfolio-badge { 
    position: absolute; top: 1rem; right: 1rem; padding: 0.3rem 1rem; 
    background: var(--primary); color: #fff; border-radius: 50px; font-size: 0.75rem; 
    font-weight: 600; z-index: 4; 
}

/* Body */
.portfolio-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }

.portfolio-title-link { text-decoration: none; color: inherit; }
.portfolio-title-link h3 { 
    font-size: 1.1rem; margin-bottom: 0.5rem; transition: color 0.3s; 
}
.portfolio-title-link:hover h3 { color: var(--primary-light); }

.portfolio-body > p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; flex: 1; }

.portfolio-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: auto; }
.portfolio-tags span { 
    padding: 0.25rem 0.8rem; background: rgba(99,102,241,0.08); 
    border: 1px solid var(--border); border-radius: 50px; color: var(--primary-light); font-size: 0.75rem; 
}

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding: 2rem 0; }
.timeline::before { content: ''; position: absolute; right: 50%; top: 0; bottom: 0; width: 2px; background: var(--gradient-2); transform: translateX(50%); border-radius: 2px; }
.timeline-item { position: relative; margin-bottom: 2.5rem; width: 50%; }
.timeline-item:nth-child(odd) { padding-left: 3.5rem; margin-right: auto; }
.timeline-item:nth-child(even) { padding-right: 3.5rem; margin-left: auto; }
.timeline-marker { position: absolute; top: 0; width: 42px; height: 42px; background: var(--bg); border: 2px solid var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 2; box-shadow: 0 0 20px rgba(99,102,241,0.3); }
.timeline-marker i { color: var(--primary-light); font-size: 0.9rem; }
.timeline-item:nth-child(odd) .timeline-marker { right: -21px; }
.timeline-item:nth-child(even) .timeline-marker { left: -21px; }
.timeline-content { background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 1.5rem; }
.timeline-date { display: inline-block; padding: 0.2rem 0.8rem; background: rgba(99,102,241,0.1); border-radius: 50px; color: var(--primary-light); font-size: 0.8rem; font-weight: 600; margin-bottom: 0.5rem; }
.timeline-content h3 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.timeline-company { color: var(--text-muted); font-size: 0.85rem; display: block; margin-bottom: 0.5rem; }
.timeline-content p { color: var(--text-secondary); font-size: 0.9rem; }

/* Testimonials */
.testimonial-wrapper { max-width: 650px; margin: 0 auto; }
.testimonial-slider { overflow: hidden; border-radius: var(--radius-xl); }
.testimonial-track { display: flex; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.testimonial-card { min-width: 100%; background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius-xl); padding: 2.5rem; text-align: center; }
.quote-icon { font-size: 2.5rem; color: var(--primary); opacity: 0.2; margin-bottom: 1rem; }
.testimonial-text { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.9; margin-bottom: 1.5rem; }
.testimonial-stars { margin-bottom: 1.5rem; }
.testimonial-stars i { color: #f59e0b; margin: 0 2px; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 1rem; }
.author-avatar { width: 50px; height: 50px; border-radius: 50%; background: var(--gradient-1); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 0.85rem; }
.testimonial-controls { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin-top: 2rem; }
.testimonial-btn { width: 44px; height: 44px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border-light); color: var(--text); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.testimonial-btn:hover { background: var(--primary); border-color: var(--primary); }
.testimonial-dots { display: flex; gap: 0.6rem; }
.testimonial-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-light); cursor: pointer; transition: var(--transition); }
.testimonial-dots .dot.active { background: var(--primary); box-shadow: 0 0 12px rgba(99,102,241,0.6); transform: scale(1.2); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.5rem; }
.contact-info { display: flex; flex-direction: column; gap: 1rem; }
.contact-card { display: flex; align-items: center; gap: 1rem; padding: 1.2rem 1.5rem; background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius); text-decoration: none; color: inherit; transition: var(--transition); }
.contact-card:hover { transform: translateX(-5px); border-color: var(--border); box-shadow: var(--shadow-glow); }
.contact-icon-wrap { width: 50px; height: 50px; background: rgba(99,102,241,0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon-wrap i { color: var(--primary-light); font-size: 1.2rem; }
.contact-details { flex: 1; }
.contact-details h4 { font-size: 0.9rem; margin-bottom: 0.1rem; }
.contact-details span { color: var(--text-muted); font-size: 0.85rem; }
.contact-arrow { color: var(--text-muted); transition: var(--transition); }
.contact-card:hover .contact-arrow { color: var(--primary-light); transform: translateX(-3px); }
.contact-form { background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border: 1px solid var(--border-light); border-radius: var(--radius-lg); padding: 2rem; display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group input, .form-group textarea { width: 100%; padding: 1rem; background: rgba(255,255,255,0.02); border: 1px solid var(--border-light); border-radius: 12px; color: var(--text); font-family: inherit; font-size: 0.95rem; transition: var(--transition); outline: none; }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }

/* Footer */
.footer { background: var(--bg-card); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border-top: 1px solid var(--border-light); padding: 3rem 0; }
.footer-content { text-align: center; }
.footer-logo { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.footer-logo span { width: 48px; height: 48px; border-radius: 10px; background: var(--gradient-1); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; color: #fff; }
.footer-logo p { color: var(--text); font-weight: 600; }
.footer-social { display: flex; justify-content: center; gap: 1rem; margin-bottom: 1.5rem; }
.social-link { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.03); border: 1px solid var(--border-light); display: flex; align-items: center; justify-content: center; color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.social-link:hover { background: var(--gradient-1); color: #fff; border-color: transparent; transform: translateY(-3px); }
.footer-copy { color: var(--text-muted); font-size: 0.85rem; }