/* ===== ROOT VARIABLES ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1e1e2a;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #6a6a7a;
  --accent: #00d4aa;
  --accent-glow: rgba(0,212,170,0.25);
  --accent2: #6366f1;
  --accent2-glow: rgba(99,102,241,0.25);
  --gradient-1: linear-gradient(135deg, #00d4aa 0%, #6366f1 100%);
  --gradient-2: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(10,10,15,0.85); backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 68px;
}
.logo {
  font-weight: 800; font-size: 1.4rem; color: var(--text-primary);
  letter-spacing: -1px; display: flex; align-items: center; gap: 8px;
}
.logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--gradient-1); display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 700; color: #fff;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  text-decoration: none; color: var(--text-secondary); font-weight: 500; font-size: 0.88rem;
  transition: var(--transition); position: relative; letter-spacing: 0.2px;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px;
  background: var(--gradient-1); border-radius: 2px; transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }
.lang-switcher { display: flex; gap: 6px; align-items: center; margin-left: 16px; }
.lang-label { font-size: 0.7rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.lang-btn {
  border: 1px solid var(--border); background: transparent; padding: 5px 10px;
  border-radius: 6px; cursor: pointer; font-size: 0.72rem; font-weight: 600;
  color: var(--text-muted); transition: var(--transition);
}
.lang-btn:hover, .lang-btn.active { background: var(--accent); color: #0a0a0f; border-color: var(--accent); }
.mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-primary); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 140px 24px 80px;
  background: radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(0,212,170,0.06) 0%, transparent 50%),
              var(--bg-primary);
}
.hero-grid {
  max-width: 1100px; width: 100%; display: grid;
  grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 50px;
  background: rgba(0,212,170,0.1); border: 1px solid rgba(0,212,170,0.2);
  font-size: 0.82rem; font-weight: 600; color: var(--accent); margin-bottom: 24px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #00ff88; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1;
  margin-bottom: 16px; letter-spacing: -1.5px; color: var(--text-primary);
}
.hero h1 .gradient-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-tagline {
  font-size: clamp(1.05rem, 2vw, 1.25rem); font-weight: 400; color: var(--text-secondary);
  margin-bottom: 20px; line-height: 1.5;
}
.hero-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.hero-meta-item {
  display: flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--text-muted);
}
.hero-meta-item svg { width: 16px; height: 16px; color: var(--accent); }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px;
  border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 0.92rem;
  transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary { background: var(--gradient-1); color: #0a0a0f; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border); }
.btn-outline:hover { background: var(--bg-card); border-color: var(--border-hover); transform: translateY(-2px); }
.btn-social { padding: 12px 20px; }
.btn-social svg { width: 20px; height: 20px; }

/* Hero Image */
.hero-image-wrapper { position: relative; display: flex; justify-content: center; }
.hero-image-ring {
  width: 320px; height: 320px; border-radius: 50%; padding: 4px;
  background: var(--gradient-1); position: relative;
}
.hero-image-ring img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  border: 4px solid var(--bg-primary); filter: grayscale(0.3);
  transition: var(--transition);
}
.hero-image-ring:hover img { filter: grayscale(0); transform: scale(1.02); }
.hero-image-glow {
  position: absolute; inset: -20px; border-radius: 50%;
  background: var(--gradient-1); opacity: 0.15; filter: blur(40px); z-index: -1;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.75rem; font-weight: 500; animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%)translateY(0)} 50%{transform:translateX(-50%)translateY(-8px)} }

/* ===== SECTIONS ===== */
.section { padding: 100px 24px; max-width: 1200px; margin: 0 auto; }
.section-alt { background: var(--bg-secondary); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  display: inline-block; padding: 6px 14px; border-radius: 50px;
  background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
  font-size: 0.78rem; font-weight: 600; color: var(--accent2); text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-title { font-size: 2.4rem; font-weight: 800; color: var(--text-primary); letter-spacing: -1px; margin-bottom: 12px; }
.section-subtitle { color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; align-items: start; }
.about-image-wrapper { position: relative; }
.about-image-frame {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.about-image-frame img { width: 100%; display: block; transition: var(--transition); }
.about-image-frame:hover img { transform: scale(1.03); }
.about-image-badge {
  position: absolute; bottom: -12px; left: 50%; transform: translateX(-50%);
  padding: 8px 20px; border-radius: 50px; background: var(--bg-card);
  border: 1px solid var(--border); font-size: 0.8rem; font-weight: 600; color: var(--accent);
  box-shadow: var(--shadow); white-space: nowrap;
}
.about-info { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 32px; }
.about-info-item { padding: 16px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.about-info-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.about-info-value { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; font-size: 1.02rem; line-height: 1.7; }

/* ===== EXPERIENCE TIMELINE ===== */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2)); opacity: 0.3;
}
.timeline-item { position: relative; padding-left: 60px; margin-bottom: 40px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: 11px; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg-card); border: 3px solid var(--accent); box-shadow: 0 0 0 4px rgba(0,212,170,0.1);
}
.timeline-content {
  background: var(--bg-card); border-radius: var(--radius); padding: 28px;
  border: 1px solid var(--border); transition: var(--transition);
}
.timeline-content:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateX(4px); }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.timeline-role { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.timeline-company { font-size: 0.9rem; color: var(--accent); font-weight: 600; }
.timeline-period { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; background: var(--bg-secondary); padding: 4px 12px; border-radius: 50px; }
.timeline-desc { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.65; margin-top: 10px; }

/* ===== SKILLS ===== */
.skills-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.skill-item { display: flex; flex-direction: column; gap: 8px; }
.skill-header { display: flex; justify-content: space-between; align-items: center; }
.skill-name { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.skill-value { font-size: 0.85rem; font-weight: 700; color: var(--accent); }
.skill-bar { height: 8px; border-radius: 50px; background: var(--bg-secondary); overflow: hidden; border: 1px solid var(--border); }
.skill-bar-fill {
  height: 100%; border-radius: 50px; background: var(--gradient-1); width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1); position: relative;
}
.skill-bar-fill::after {
  content: ''; position: absolute; right: 0; top: 0; bottom: 0; width: 20px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.3)); border-radius: 0 50px 50px 0;
}

/* ===== HIGHLIGHTS / CARDS ===== */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.card {
  background: var(--bg-card); border-radius: var(--radius); padding: 32px;
  border: 1px solid var(--border); transition: var(--transition); position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-1); opacity: 0; transition: var(--transition);
}
.card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--gradient-1); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px; color: #fff; box-shadow: 0 4px 12px var(--accent-glow);
}
.card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.65; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 900px; margin: 0 auto; align-items: center; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item {
  display: flex; align-items: center; gap: 16px; padding: 20px;
  background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border);
  transition: var(--transition); text-decoration: none; color: inherit;
}
.contact-info-item:hover { border-color: var(--accent); background: var(--bg-card-hover); transform: translateX(4px); }
.contact-info-icon {
  width: 44px; height: 44px; border-radius: 12px; background: var(--gradient-1);
  display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0;
}
.contact-info-icon svg { width: 22px; height: 22px; }
.contact-info-text { display: flex; flex-direction: column; }
.contact-info-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-info-value { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; }
.contact-text { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }
.contact-text p { margin-bottom: 16px; }
.contact-status {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 16px;
  padding: 10px 20px; border-radius: 50px; background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.2); font-size: 0.85rem; font-weight: 600; color: var(--accent);
}
.contact-socials { display: flex; gap: 12px; margin-top: 24px; }
.contact-social-btn {
  display: flex; align-items: center; gap: 8px; padding: 12px 20px;
  border-radius: var(--radius-sm); background: var(--bg-card); border: 1px solid var(--border);
  text-decoration: none; color: var(--text-primary); font-weight: 600; font-size: 0.9rem;
  transition: var(--transition);
}
.contact-social-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.contact-social-btn svg { width: 20px; height: 20px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary); border-top: 1px solid var(--border);
  padding: 40px 24px; text-align: center; color: var(--text-muted); font-size: 0.9rem;
}
.footer-links { display: flex; gap: 24px; justify-content: center; margin-bottom: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-weight: 500; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }

/* ===== ABOUT INFO GRID ===== */
.about-info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 900px; margin: 60px auto 0; }
.about-info-item { padding: 24px; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.about-info-item:hover { border-color: var(--accent); transform: translateY(-4px); background: var(--bg-card-hover); }
.about-info-icon { font-size: 1.8rem; margin-bottom: 12px; }
.about-info-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.about-info-value { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; }

@media (max-width: 900px) {
  .about-info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .about-info-grid { grid-template-columns: 1fr; }
}

/* ===== LINKEDIN POSTS ===== */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 24px; }
.post-card {
  background: var(--bg-card); border-radius: var(--radius); padding: 28px;
  border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column;
  position: relative; overflow: hidden; text-decoration: none; color: inherit;
}
.post-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-2); opacity: 0; transition: var(--transition);
}
.post-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.post-card:hover::before { opacity: 1; }
.post-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.post-card-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.post-card-meta { display: flex; flex-direction: column; }
.post-card-author { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); }
.post-card-date { font-size: 0.75rem; color: var(--text-muted); }
.post-card-title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; line-height: 1.3; }
.post-card-excerpt { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; flex-grow: 1; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.post-card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.post-tag { padding: 4px 10px; border-radius: 50px; background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2); font-size: 0.72rem; font-weight: 600; color: var(--accent2); }
.post-card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; border-top: 1px solid var(--border); }
.post-card-stats { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text-muted); }
.post-card-stats span { display: flex; align-items: center; gap: 4px; }
.post-card-stats svg { width: 14px; height: 14px; }
.post-card-link { font-size: 0.85rem; font-weight: 600; color: var(--accent); display: flex; align-items: center; gap: 4px; transition: var(--transition); }
.post-card-link:hover { color: var(--text-primary); }

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ===== RTL ADJUSTMENTS ===== */
html[dir="rtl"] .nav-container { flex-direction: row-reverse; }
html[dir="rtl"] .hero-grid { direction: rtl; }
html[dir="rtl"] .about-grid { direction: rtl; }
html[dir="rtl"] .contact-grid { direction: rtl; }
html[dir="rtl"] .timeline { direction: ltr; }
html[dir="rtl"] .timeline-item { padding-left: 0; padding-right: 60px; }
html[dir="rtl"] .timeline-dot { left: auto; right: 11px; }
html[dir="rtl"] .timeline::before { left: auto; right: 20px; }
html[dir="rtl"] .timeline-content:hover { transform: translateX(-4px); }
html[dir="rtl"] .contact-info-item:hover { transform: translateX(-4px); }
html[dir="rtl"] .hero-buttons { flex-direction: row-reverse; }
html[dir="rtl"] .about-info { direction: rtl; }
html[dir="rtl"] .contact-socials { flex-direction: row-reverse; }
html[dir="rtl"] .footer-links { flex-direction: row-reverse; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-image-wrapper { order: -1; }
  .hero-image-ring { width: 220px; height: 220px; }
  .hero-meta { justify-content: center; }
  .hero-buttons { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image-wrapper { max-width: 300px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg-secondary); flex-direction: column; padding: 20px; gap: 16px;
    border-bottom: 1px solid var(--border); border-top: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: block; }
  .lang-switcher { display: none; }
  .section { padding: 70px 20px; }
  .section-title { font-size: 1.8rem; }
  .timeline-item { padding-left: 50px; }
  .timeline-dot { left: 6px; }
  .timeline::before { left: 15px; }
  html[dir="rtl"] .timeline-item { padding-right: 50px; padding-left: 0; }
  html[dir="rtl"] .timeline-dot { right: 6px; left: auto; }
  html[dir="rtl"] .timeline::before { right: 15px; left: auto; }
}