/* ================================================
   SARVAR SOLIJONOV PORTFOLIO — style.css
   ================================================ */

/* ── RESET & BASE ────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:    #050c1a;
  --bg-secondary:  #080f1f;
  --bg-card:       #0d1829;
  --bg-card-hover: #111e33;
  --accent:        #00d4ff;
  --accent2:       #7c3aed;
  --accent-glow:   rgba(0, 212, 255, 0.15);
  --text-primary:  #e2eaf5;
  --text-secondary:#8899b0;
  --text-muted:    #4a5f78;
  --border:        rgba(0, 212, 255, 0.12);
  --border-hover:  rgba(0, 212, 255, 0.35);
  --success:       #22c55e;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow:        0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow:   0 0 40px rgba(0, 212, 255, 0.12);
  --font:          'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ── SCROLLBAR ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ── SELECTION ───────────────────────────────── */
::selection { background: rgba(0, 212, 255, 0.25); color: var(--text-primary); }

/* ── NAVBAR ──────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(5, 12, 26, 0.92);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; height: 70px; gap: 32px;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 600;
  color: var(--text-primary); margin-right: auto;
}
.logo-bracket { color: var(--accent); }
.nav-links { display: flex; gap: 4px; }
.nav-link {
  padding: 8px 14px; border-radius: 8px; font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--accent); background: var(--accent-glow); }

.btn-resume {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 8px; font-size: 0.875rem; font-weight: 600;
  color: var(--accent); border: 1px solid var(--accent);
  transition: all var(--transition); white-space: nowrap;
}
.btn-resume:hover { background: var(--accent); color: var(--bg-primary); box-shadow: 0 0 20px rgba(0,212,255,0.3); }

.nav-actions { display: flex; align-items: center; gap: 20px; }
.lang-switcher { display: flex; gap: 8px; background: rgba(0, 212, 255, 0.05); padding: 4px; border-radius: 8px; border: 1px solid var(--border); }
.lang-link { font-size: 0.7rem; font-weight: 700; color: var(--text-muted); padding: 4px 8px; border-radius: 6px; transition: all var(--transition); }
.lang-link:hover { color: var(--accent); }
.lang-link.active { background: var(--accent); color: var(--bg-primary); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--text-secondary); border-radius: 2px; transition: all var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 120px 24px 80px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0,212,255,0.06) 0%, transparent 70%),
              radial-gradient(ellipse 50% 50% at 20% 80%, rgba(124,58,237,0.08) 0%, transparent 60%),
              var(--bg-primary);
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.particles { position: absolute; inset: 0; overflow: hidden; }

.hero-content {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 420px;
  gap: 64px; align-items: center; position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 500;
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.25);
  color: var(--success); margin-bottom: 20px; width: fit-content;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 10px var(--success); animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--success); }
  50% { opacity: 0.6; box-shadow: 0 0 16px var(--success); }
}

.hero-title { margin-bottom: 16px; }
.hero-greeting { display: block; font-size: 1.1rem; color: var(--text-secondary); font-weight: 400; margin-bottom: 8px; }
.hero-name {
  display: block; font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.1;
  background: linear-gradient(135deg, #e2eaf5 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-role {
  font-family: var(--font-mono); font-size: 1.1rem; color: var(--accent);
  margin-bottom: 20px; display: flex; align-items: center; gap: 4px;
}
.role-prefix { color: var(--text-muted); }
.typing-text { color: var(--accent); }
.cursor-blink { animation: blink 1.1s infinite; color: var(--accent); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc { color: var(--text-secondary); font-size: 1rem; max-width: 520px; margin-bottom: 32px; }
.hero-desc strong { color: var(--text-primary); }

.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px; font-size: 0.95rem; font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #0099bb);
  color: var(--bg-primary); border: none; cursor: pointer;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.4); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 10px; font-size: 0.95rem; font-weight: 600;
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-hover); transition: all var(--transition);
}
.btn-secondary:hover { background: rgba(0,212,255,0.06); border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.hero-stats {
  display: flex; align-items: center; gap: 24px;
}
.stat-item { display: flex; flex-direction: column; }
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Avatar Visual */
.hero-visual { display: flex; justify-content: center; align-items: center; position: relative; }
.avatar-ring {
  width: 300px; height: 300px; position: relative;
  display: flex; justify-content: center; align-items: center;
}
.avatar-inner {
  width: 160px; height: 160px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
  border: 2px solid var(--border-hover);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 60px rgba(0,212,255,0.15), inset 0 0 40px rgba(0,212,255,0.05);
  z-index: 2; position: relative;
}
.avatar-icon { 
  width: 100%; height: 100%; 
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; border-radius: 50%;
}

.ring {
  position: absolute; border-radius: 50%; border: 1px solid var(--border);
}
.ring-1 { width: 200px; height: 200px; animation: spin-slow 15s linear infinite; border-color: rgba(0,212,255,0.15); }
.ring-2 { width: 250px; height: 250px; animation: spin-slow 25s linear infinite reverse; border-color: rgba(124,58,237,0.1); border-style: dashed; }
.ring-3 { width: 300px; height: 300px; animation: spin-slow 35s linear infinite; border-color: rgba(0,212,255,0.06); }
@keyframes spin-slow { to { transform: rotate(360deg); } }

.tech-badge {
  position: absolute; padding: 6px 12px; border-radius: 20px; font-size: 0.72rem; font-weight: 600;
  background: rgba(13, 24, 41, 0.95); border: 1px solid var(--border-hover);
  color: var(--accent); backdrop-filter: blur(8px); white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.badge-mikrotik { top: 20px; right: 10px; animation: float1 4s ease-in-out infinite; }
.badge-vpn      { bottom: 40px; right: 0; animation: float2 5s ease-in-out infinite; }
.badge-server   { top: 60px; left: -10px; animation: float3 4.5s ease-in-out infinite; }
.badge-voip     { bottom: 80px; left: 10px; animation: float1 3.8s ease-in-out infinite; }

@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
@keyframes float3 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-6px)} }

.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 0.7rem; color: var(--text-muted); z-index: 1;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scroll-anim 2s ease-in-out infinite;
}
@keyframes scroll-anim { 0%,100%{opacity:0.4;transform:scaleY(1)} 50%{opacity:1;transform:scaleY(1.2)} }

/* ── SECTIONS ────────────────────────────────── */
.section { padding: 96px 24px; }
.section-dark { background: var(--bg-secondary); }
.container { max-width: 1200px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-tag { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); font-weight: 500; }
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-top: 8px;
  background: linear-gradient(135deg, var(--text-primary), rgba(226,234,245,0.6));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-sub { color: var(--text-secondary); margin-top: 12px; font-size: 1rem; }

/* ── ABOUT ───────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 400px; gap: 64px; align-items: start;
}
.about-intro { font-size: 1.05rem; color: var(--text-primary); margin-bottom: 16px; line-height: 1.75; }
.about-intro strong { color: var(--accent); }
.about-secondary { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.75; }
.about-secondary strong { color: var(--text-primary); }
.about-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.pill {
  padding: 6px 14px; border-radius: 20px; font-size: 0.82rem; font-weight: 500;
  background: rgba(0,212,255,0.08); border: 1px solid var(--border);
  color: var(--text-secondary); transition: all var(--transition);
}
.pill:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.info-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  transition: all var(--transition);
}
.info-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-2px); }
.card-icon { font-size: 1.4rem; }
.card-body { display: flex; flex-direction: column; }
.card-title { font-size: 0.72rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.card-value { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }

.timeline-mini {
  grid-column: 1 / -1;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.timeline-mini h4 { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.tl-item {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
  font-size: 0.85rem;
}
.tl-item:last-child { margin-bottom: 0; }
.tl-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted); flex-shrink: 0;
}
.tl-dot.active { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.tl-year { color: var(--accent); font-weight: 600; min-width: 60px; font-family: var(--font-mono); font-size: 0.8rem; }
.tl-desc { color: var(--text-secondary); }

/* ── SKILLS ──────────────────────────────────── */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px;
}
.skill-category {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; transition: all var(--transition);
}
.skill-category:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.skill-cat-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.skill-cat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(0,212,255,0.12); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--accent); flex-shrink: 0;
}
.skill-cat-header h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 5px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 500;
  border: 1px solid; transition: all var(--transition); cursor: default;
}
.skill-tag.expert    { background: rgba(0,212,255,0.1); color: var(--accent); border-color: rgba(0,212,255,0.25); }
.skill-tag.advanced  { background: rgba(124,58,237,0.1); color: #a78bfa; border-color: rgba(124,58,237,0.25); }
.skill-tag.intermediate { background: rgba(245,158,11,0.1); color: #fbbf24; border-color: rgba(245,158,11,0.25); }
.skill-tag.learning  { background: rgba(34,197,94,0.08); color: #4ade80; border-color: rgba(34,197,94,0.2); }
.skill-tag.vendor    { background: rgba(56,189,248,0.08); color: #7dd3fc; border-color: rgba(56,189,248,0.2); }
.skill-tag:hover { transform: translateY(-1px); filter: brightness(1.15); }

.skill-legend {
  grid-column: 1 / -1; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  padding: 16px; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border);
}
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-secondary); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.legend-dot.expert      { background: var(--accent); }
.legend-dot.advanced    { background: #a78bfa; }
.legend-dot.intermediate{ background: #fbbf24; }
.legend-dot.learning    { background: #4ade80; }

/* ── EXPERIENCE ──────────────────────────────── */
.experience-timeline { position: relative; }
.exp-item { display: grid; grid-template-columns: 40px 1fr; gap: 24px; margin-bottom: 32px; }
.exp-left { display: flex; flex-direction: column; align-items: center; }
.exp-dot {
  width: 14px; height: 14px; border-radius: 50%; background: var(--text-muted);
  border: 2px solid var(--bg-primary); flex-shrink: 0; margin-top: 22px;
}
.pulse-dot {
  background: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,212,255,0.2);
  animation: pulse-accent 2.5s infinite;
}
@keyframes pulse-accent {
  0%,100%{box-shadow: 0 0 0 4px rgba(0,212,255,0.2)} 50%{box-shadow: 0 0 0 8px rgba(0,212,255,0.05)}
}
.exp-line { width: 2px; flex: 1; background: linear-gradient(to bottom, var(--border), transparent); margin-top: 8px; }

.exp-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; transition: all var(--transition);
}
.exp-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.active-job .exp-card { border-color: rgba(0,212,255,0.2); }

.exp-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; gap: 12px; }
.exp-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.exp-company { font-size: 0.875rem; color: var(--accent); margin-top: 4px; }
.exp-badge {
  padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
  white-space: nowrap; flex-shrink: 0;
}
.exp-badge.current { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.exp-badge.past    { background: rgba(72,72,100,0.3); color: var(--text-muted); border: 1px solid var(--border); }

.exp-meta { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.exp-meta span { display: flex; align-items: center; gap: 5px; font-size: 0.82rem; color: var(--text-muted); }

.exp-points { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.exp-points li {
  font-size: 0.9rem; color: var(--text-secondary); padding-left: 16px; position: relative;
}
.exp-points li::before {
  content: '→'; position: absolute; left: 0; color: var(--accent); font-size: 0.8rem;
}

.exp-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.exp-tags span {
  padding: 3px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 500;
  background: rgba(0,212,255,0.08); color: var(--accent); border: 1px solid var(--border);
}

/* ── PROJECTS ────────────────────────────────── */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

.project-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; transition: all var(--transition); position: relative; overflow: hidden;
}
.project-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0,212,255,0.04) 100%);
  border-color: rgba(0,212,255,0.2);
}

.project-glow {
  position: absolute; width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.08), transparent);
  top: -50px; right: -50px; pointer-events: none; transition: all var(--transition);
}
.project-card:hover .project-glow { transform: scale(1.5); opacity: 0.8; }

.project-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.project-icon { font-size: 2rem; }
.proj-status {
  padding: 4px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.status-live    { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }
.status-building{ background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px solid rgba(245,158,11,0.25); }
.status-idea    { background: rgba(124,58,237,0.12); color: #a78bfa; border: 1px solid rgba(124,58,237,0.25); }

.project-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.project-desc  { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }
.project-tech  { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tech span {
  padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 500;
  background: rgba(0,212,255,0.06); color: var(--text-muted); border: 1px solid var(--border);
}

/* ── GOALS ───────────────────────────────────── */
.goals-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.goal-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; position: relative; transition: all var(--transition);
}
.goal-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.goal-num {
  font-family: var(--font-mono); font-size: 2.5rem; font-weight: 800;
  color: rgba(0,212,255,0.08); position: absolute; top: 16px; right: 20px; line-height: 1;
}
.goal-icon { font-size: 1.8rem; margin-bottom: 12px; }
.goal-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
.goal-card p  { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 16px; }
.goal-tag {
  display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 600;
  background: rgba(0,212,255,0.1); color: var(--accent); border: 1px solid var(--border);
}

/* ── CERTIFICATIONS ────────────────────────────── */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 24px; }
.cert-card {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; transition: all var(--transition); position: relative; overflow: hidden;
}
.cert-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); transform: translateY(-3px); }

.cert-badge-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; flex-shrink: 0; width: 80px; }
.cert-badge-icon {
  width: 64px; height: 64px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-secondary); border: 1px solid var(--border);
  color: var(--text-muted); transition: all var(--transition);
}
.cert-badge-icon.earned { background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.3); color: var(--success); }
.cert-card:hover .cert-badge-icon { transform: scale(1.05); }

.cert-status { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 3px 8px; border-radius: 12px; text-align: center; }
.cert-status.earned { color: var(--success); background: rgba(34,197,94,0.1); }
.cert-status.preparing { color: #fbbf24; background: rgba(245,158,11,0.1); }

.cert-info { flex: 1; }
.cert-name { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.cert-org { font-size: 0.85rem; color: var(--accent); margin-bottom: 10px; font-weight: 500; }
.cert-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 16px; }

.cert-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 12px; }
.cert-date { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); font-family: var(--font-mono); }
.cert-verify {
  display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; font-weight: 600;
  color: var(--accent); transition: all var(--transition);
}
.cert-verify:hover { color: #fff; text-shadow: 0 0 8px var(--accent); }

/* ── EDUCATION ───────────────────────────── */
.education-grid { display: flex; flex-direction: column; gap: 20px; }
.edu-card {
  display: flex; gap: 24px; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; transition: all var(--transition);
}
.edu-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.edu-icon { font-size: 2rem; flex-shrink: 0; margin-top: 2px; }
.edu-body { flex: 1; }
.edu-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; gap: 12px; }
.edu-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.edu-org { font-size: 0.82rem; color: var(--accent); margin-top: 3px; }
.edu-desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.65; }
.edu-badge {
  padding: 4px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 700;
  white-space: nowrap; flex-shrink: 0;
}
.edu-badge.current { background: rgba(0,212,255,0.12); color: var(--accent); border: 1px solid rgba(0,212,255,0.25); }
.edu-badge.prep    { background: rgba(245,158,11,0.12); color: #fbbf24; border: 1px solid rgba(245,158,11,0.25); }
.edu-badge.sport   { background: rgba(34,197,94,0.12); color: var(--success); border: 1px solid rgba(34,197,94,0.25); }

/* Sport days widget */
.sport-days { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.day {
  width: 40px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 700; border: 1px solid var(--border);
  background: var(--bg-secondary); color: var(--text-muted); transition: all var(--transition);
}
.day.active {
  background: rgba(0,212,255,0.12); color: var(--accent);
  border-color: rgba(0,212,255,0.3); box-shadow: 0 0 10px rgba(0,212,255,0.12);
}
.day.rest { opacity: 0.35; }

/* ── CONTACT ─────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; transition: all var(--transition);
}
.contact-card:hover { border-color: var(--border-hover); transform: translateX(4px); }
.contact-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.telegram-icon { background: rgba(0, 136, 204, 0.15); color: #29b6f6; }
.email-icon    { background: rgba(0, 212, 255, 0.1); color: var(--accent); }
.location-icon { background: rgba(239, 68, 68, 0.1); color: #f87171; }
.avail-icon    { background: rgba(34, 197, 94, 0.1); }
.status-dot-contact {
  width: 12px; height: 12px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 12px var(--success); display: block; margin: auto; animation: pulse-green 2s infinite;
}
.contact-detail { display: flex; flex-direction: column; }
.contact-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.contact-value { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); transition: color var(--transition); }
.contact-value:hover { color: var(--accent); }

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.form-group input,
.form-group textarea {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; color: var(--text-primary); font-family: var(--font); font-size: 0.9rem;
  transition: all var(--transition); resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

/* ── FOOTER ──────────────────────────────────── */
.footer { padding: 40px 24px; border-top: 1px solid var(--border); }
.footer-content { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-brand {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700;
  margin-bottom: 8px; display: block;
}
.footer-sub { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 20px; }
.footer-links { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 16px; }
.footer-links a { font-size: 0.85rem; color: var(--text-secondary); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }

/* ── PARTICLE  ───────────────────────────────── */
.particle {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.6), transparent);
  pointer-events: none;
}

/* ── ANIMATIONS on scroll ────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-desc { max-width: 100%; }
  .hero-badge { margin: 0 auto 20px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .about-cards { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
}

@media (max-width: 768px) {
  .nav-container { padding: 0 16px; justify-content: space-between; }
  .nav-logo { font-size: 1rem; margin-right: 0; }
  .btn-resume { display: none; }
  .nav-actions { margin-right: 12px; }
  .lang-switcher { padding: 2px; }
  .lang-link { padding: 3px 6px; font-size: 0.65rem; }
  
  .nav-links {
    display: flex; position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    flex-direction: column; justify-content: center; gap: 10px;
    background: #0a1120; border-left: 1px solid var(--border);
    padding: 80px 40px; z-index: 999; transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.1rem; font-weight: 600; padding: 12px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); }
  
  .hamburger { display: flex; z-index: 1000; }
  
  .hero { padding: 120px 0 60px; }
  .hero-content { padding: 0 20px; text-align: center; }
  .hero-title { font-size: 2rem; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; width: 100%; }
  .stat-divider { display: none; }
  
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-cards { order: -1; grid-template-columns: 1fr; gap: 16px; }
  .info-card { padding: 16px; flex-direction: row; align-items: center; justify-content: flex-start; text-align: left; }
  .info-card .card-body { margin-left: 0; }
  .card-value { font-size: 0.85rem !important; }
  
  .skills-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; padding: 20px; }
  .project-card { padding: 20px; }
  
  .section { padding: 60px 16px; }
  .partners-track { gap: 30px; }
  .partners-track span { font-size: 1rem; }
}

/* ── PARTNERS MARQUEE ────────────────────────── */
.section-partners {
  padding: 40px 0;
  background: rgba(0,212,255,0.02);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.partners-header {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 24px;
  font-weight: 700;
}
.partners-subtext {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: -16px;
  margin-bottom: 30px;
  opacity: 0.8;
}
.partners-marquee {
  position: relative;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}
.partners-track {
  display: flex;
  gap: 60px;
  width: max-content;
  animation: partnersScroll 40s linear infinite;
}
.partners-track span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
  opacity: 0.6;
  white-space: nowrap;
  transition: all var(--transition);
}
.partners-track span:hover {
  color: var(--accent);
  opacity: 1;
  transform: scale(1.1);
}
.partners-divider {
  width: 60px;
}
@keyframes partnersScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── SOCIALS ────────────────────────────────── */
.hero-socials {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}
.social-link {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.social-link.yt:hover {
  border-color: #ef4444;
  color: #ef4444;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 16px 0 24px;
}
.f-social {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.f-social:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .partners-track { gap: 30px; }
  .partners-track span { font-size: 1rem; }
}