/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  --bg-deep:      #040C1A;
  --bg-base:      #06101F;
  --bg-elevated:  #0B1729;
  --surface:      rgba(255,255,255,0.04);
  --surface-hover:rgba(255,255,255,0.07);
  --fg:           #E2E8F0;
  --fg-muted:     #64748B;
  --accent:       #0EA5E9;
  --accent-glow:  rgba(14,165,233,0.18);
  --accent-dim:   rgba(14,165,233,0.08);
  --border:       rgba(255,255,255,0.08);
  --border-accent:rgba(14,165,233,0.3);
  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    18px;
  --font-sans:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --ease:         cubic-bezier(0.16, 1, 0.3, 1);
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
  --shadow-accent:0 0 30px rgba(14,165,233,0.12);
  --nav-h:        68px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ============================================
   CUSTOM CURSOR (desktop only)
   ============================================ */
@media (hover: hover) {
  *, a, button { cursor: none !important; }
  .cursor {
    position: fixed; top: 0; left: 0; z-index: 9999;
    width: 36px; height: 36px;
    border: 1.5px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width 0.2s var(--ease), height 0.2s var(--ease), opacity 0.2s, border-color 0.2s;
    opacity: 0;
  }
  .cursor-dot {
    position: fixed; top: 0; left: 0; z-index: 9999;
    width: 5px; height: 5px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: none;
    opacity: 0;
  }
  .cursor.visible, .cursor-dot.visible { opacity: 1; }
  .cursor.hovering { width: 52px; height: 52px; border-color: var(--accent); background: var(--accent-dim); }
}

/* ============================================
   UTILITIES
   ============================================ */
.mono { font-family: var(--font-mono); }
.accent { color: var(--accent); }
.muted { color: var(--fg-muted); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
}
.glass:hover { background: var(--surface-hover); border-color: var(--border-accent); transition: all 0.25s var(--ease); }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.3s, box-shadow 0.3s;
}
.navbar.scrolled {
  background: rgba(4,12,26,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono); font-weight: 700; font-size: 1.3rem;
  letter-spacing: -0.04em; color: var(--fg);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--accent); }
.nav-links {
  display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--fg-muted);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta {
  background: var(--accent-dim) !important;
  border: 1px solid var(--border-accent) !important;
  color: var(--accent) !important;
  padding: 6px 18px !important;
  border-radius: var(--radius-sm) !important;
  font-family: var(--font-mono) !important; font-size: 0.8rem !important;
}
.nav-cta:hover { background: rgba(14,165,233,0.15) !important; }
.nav-cta::after { display: none !important; }
.nav-toggle { display: none; background: none; border: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--fg); border-radius: 2px; transition: all 0.25s; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 80px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute; top: 20%; left: 50%; z-index: 0;
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(14,165,233,0.12) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; gap: 1.5rem;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 6px 14px; border-radius: 999px;
  font-size: 0.75rem; color: var(--accent);
  width: fit-content;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 8px rgba(34,197,94,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
.hero-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  color: #F8FAFC;
}
.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--accent);
  min-height: 2rem;
  display: flex; align-items: center; gap: 2px;
}
.cursor-blink { animation: blink 1s infinite; }
@keyframes blink { 0%,50%{opacity:1;} 51%,100%{opacity:0;} }
.hero-desc {
  font-size: 1.05rem; color: var(--fg-muted); max-width: 560px;
  line-height: 1.7;
}
.hero-stats {
  display: flex; align-items: center; gap: 2rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-size: 1.8rem; font-weight: 800;
  color: #F8FAFC; letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label { font-size: 0.75rem; color: var(--fg-muted); font-family: var(--font-mono); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 600;
  transition: all 0.22s var(--ease);
  border: none; cursor: pointer;
}
.btn-primary {
  background: var(--accent); color: #03070E;
  box-shadow: 0 0 20px rgba(14,165,233,0.3);
}
.btn-primary:hover { background: #38BDF8; box-shadow: 0 0 32px rgba(14,165,233,0.5); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--fg);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--border-accent); color: var(--accent); transform: translateY(-2px); }
.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--fg-muted); font-size: 0.7rem;
  animation: float 2.5s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateX(-50%) translateY(0);} 50%{transform:translateX(-50%) translateY(6px);} }
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-base); }
.section-label {
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.15; color: #F8FAFC;
  margin-bottom: 48px;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start;
}
.about-text p { color: var(--fg-muted); margin-bottom: 1.2rem; line-height: 1.75; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag {
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  color: var(--accent); padding: 6px 14px;
  border-radius: 999px; font-size: 0.8rem;
  font-family: var(--font-mono);
}
.about-card { padding: 28px; display: flex; flex-direction: column; gap: 18px; }
.info-row { display: flex; flex-direction: column; gap: 3px; font-size: 0.9rem; }
.info-row .mono { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; }

/* ============================================
   TIMELINE
   ============================================ */
.timeline { position: relative; display: flex; flex-direction: column; gap: 28px; }
.timeline::before {
  content: ''; position: absolute; left: 15px; top: 8px; bottom: 8px;
  width: 1px; background: linear-gradient(to bottom, var(--accent), var(--border), transparent);
}
.timeline-item { display: flex; gap: 32px; }
.timeline-dot {
  flex-shrink: 0; margin-top: 24px;
  width: 31px; height: 31px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg-deep);
  box-shadow: 0 0 12px var(--accent-glow);
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
}
.timeline-dot::after {
  content: ''; width: 9px; height: 9px;
  background: var(--accent); border-radius: 50%;
}
.timeline-content { flex: 1; padding: 24px; }
.timeline-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.job-title { font-size: 1.1rem; font-weight: 700; color: #F8FAFC; margin-bottom: 4px; }
.company { font-size: 0.875rem; color: var(--accent); font-family: var(--font-mono); }
.timeline-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.badge {
  font-size: 0.68rem; padding: 2px 10px;
  border: 1px solid var(--border-accent);
  color: var(--accent); border-radius: 999px;
  background: var(--accent-dim);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.job-bullets { color: var(--fg-muted); font-size: 0.875rem; line-height: 1.7; padding-left: 16px; list-style: disc; margin-bottom: 16px; }
.job-bullets li { margin-bottom: 6px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.stag {
  font-family: var(--font-mono); font-size: 0.72rem;
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--fg-muted); padding: 3px 10px; border-radius: var(--radius-sm);
  transition: border-color 0.2s, color 0.2s;
}
.stag:hover { border-color: var(--border-accent); color: var(--accent); }

/* ============================================
   SKILLS GRID
   ============================================ */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.skill-group { padding: 28px; transition: all 0.25s var(--ease); }
.skill-group:hover { box-shadow: var(--shadow-accent); transform: translateY(-3px); }
.skill-group-icon { font-size: 1.8rem; margin-bottom: 12px; line-height: 1; }
.skill-group-title { font-size: 1rem; font-weight: 700; color: #F8FAFC; margin-bottom: 16px; }

/* ============================================
   CERTIFICATIONS
   ============================================ */
.cert-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cert-card {
  padding: 28px 20px; text-align: center;
  transition: all 0.25s var(--ease); display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-accent); border-color: var(--border-accent); }
.cert-icon { font-size: 2.2rem; }
.cert-name { font-size: 1rem; font-weight: 700; color: #F8FAFC; }
.cert-body { font-size: 0.75rem; line-height: 1.4; }
.cert-tag {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent); border: 1px solid var(--border-accent);
  padding: 2px 10px; border-radius: 999px; background: var(--accent-dim);
}

/* ============================================
   EDUCATION
   ============================================ */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.edu-card { padding: 36px; display: flex; flex-direction: column; gap: 10px; transition: all 0.25s var(--ease); }
.edu-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-accent); }
.edu-year { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; }
.edu-degree { font-size: 1.3rem; font-weight: 800; color: #F8FAFC; }
.edu-field { font-size: 0.95rem; font-weight: 500; }
.edu-school { font-size: 0.875rem; color: var(--fg-muted); }
.edu-grade { font-size: 0.8rem; margin-top: 8px; color: var(--accent); }

/* ============================================
   CONTACT
   ============================================ */
.contact-sub { color: var(--fg-muted); margin-bottom: 40px; max-width: 500px; }
.contact-grid { display: flex; flex-direction: column; gap: 16px; max-width: 520px; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; gap: 18px; padding: 20px 24px;
  transition: all 0.22s var(--ease); color: var(--fg);
}
.contact-link:hover { border-color: var(--border-accent); transform: translateX(5px); color: var(--accent); }
.contact-link svg { color: var(--accent); flex-shrink: 0; }
.contact-link-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 2px; }

/* ============================================
   HERO LAYOUT (2-column)
   ============================================ */
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: center;
  position: relative; z-index: 1;
}
.hero-glow-2 {
  top: 70%; left: 20%;
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(99,102,241,0.08) 0%, transparent 70%);
}
.name-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── HUD corner decorations ── */
.hud-corner {
  position: absolute; width: 28px; height: 28px;
  pointer-events: none; z-index: 2;
  opacity: 0.5;
}
.hud-corner::before, .hud-corner::after {
  content: ''; position: absolute;
  background: var(--accent);
}
.hud-corner::before { width: 2px; height: 100%; }
.hud-corner::after  { width: 100%; height: 2px; }
.hud-tl { top: 80px; left: 16px; }
.hud-tr { top: 80px; right: 16px; transform: scaleX(-1); }
.hud-bl { bottom: 24px; left: 16px; transform: scaleY(-1); }
.hud-br { bottom: 24px; right: 16px; transform: scale(-1); }

/* ── Floating skill badges ── */
.float-badge {
  position: absolute;
  left: var(--x); top: var(--y);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(14,165,233,0.06);
  border: 1px solid rgba(14,165,233,0.25);
  color: var(--accent);
  padding: 5px 12px; border-radius: 999px;
  pointer-events: none; user-select: none;
  animation: floatBadge 4s ease-in-out var(--d, 0s) infinite;
  backdrop-filter: blur(8px);
  white-space: nowrap;
}
@keyframes floatBadge {
  0%,100% { transform: translateY(0px) translateX(0px); opacity: 0.7; }
  33%      { transform: translateY(-8px) translateX(3px); opacity: 1; }
  66%      { transform: translateY(4px) translateX(-3px); opacity: 0.85; }
}
@media (max-width: 900px) {
  .float-badge {
    transform: scale(0.8);
    opacity: 0.5;
    animation: floatBadgeMobile 4s ease-in-out var(--d, 0s) infinite;
  }
}
@keyframes floatBadgeMobile {
  0%,100% { transform: scale(0.8) translateY(0px) translateX(0px); opacity: 0.4; }
  33%      { transform: scale(0.8) translateY(-8px) translateX(3px); opacity: 0.7; }
  66%      { transform: scale(0.8) translateY(4px) translateX(-3px); opacity: 0.6; }
}

/* ── Terminal window ── */
.terminal {
  background: rgba(2,8,16,0.9);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(14,165,233,0.12), var(--shadow);
  backdrop-filter: blur(16px);
}
.terminal-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.tbar-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.tbar-title { font-size: 0.75rem; color: var(--fg-muted); flex: 1; text-align: center; }
.tbar-clock { font-size: 0.72rem; color: var(--accent); }
.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 2;
  min-height: 280px;
  color: var(--fg-muted);
}
.t-prompt { color: var(--accent); }
.t-cmd    { color: #F8FAFC; }
.t-out    { color: #94A3B8; }
.t-key    { color: #818CF8; }
.t-val    { color: #34D399; }
.t-line   { display: block; }
.t-blink  { animation: blink 1s infinite; color: var(--accent); }

/* ============================================
   FOOTER — rich 4-column
   ============================================ */
.footer {
  position: relative;
  padding: 72px 0 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  overflow: hidden;
}
.footer-glow {
  position: absolute; top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 200px;
  background: radial-gradient(ellipse, rgba(14,165,233,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}
.footer-logo {
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.04em; color: #F8FAFC;
  margin-bottom: 14px;
}
.footer-tagline {
  font-size: 0.875rem; color: var(--fg-muted);
  line-height: 1.7; margin-bottom: 24px;
  max-width: 240px;
}
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--fg-muted);
  transition: all 0.22s var(--ease);
}
.social-btn:hover { border-color: var(--border-accent); color: var(--accent); background: var(--accent-dim); }
.footer-col-title {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--accent); margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; color: var(--fg-muted);
}
.footer-links li svg { color: var(--accent); flex-shrink: 0; }
.footer-links a {
  color: var(--fg-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
  font-size: 0.8rem;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom-right { display: flex; align-items: center; gap: 6px; }
.back-top {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--fg-muted);
  transition: all 0.22s var(--ease);
}
.back-top:hover { border-color: var(--border-accent); color: var(--accent); transform: translateY(-3px); }

@media (max-width: 900px) {
  body:not(.boot-complete) { overflow: hidden; }

  .hero-layout {
    grid-template-columns: 1fr;
    grid-template-areas: "overlap";
    align-items: center;
  }
  
  .hero-content {
    grid-area: overlap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 1.5s ease 0.3s;
  }
  
  .terminal {
    grid-area: overlap;
    position: relative;
    z-index: 10;
    margin: 0;
    max-width: 100%;
    transition: opacity 1.2s ease, visibility 1.2s;
  }
  
  body.boot-complete .terminal {
    opacity: 0; visibility: hidden; pointer-events: none;
  }
  
  body.boot-complete .hero-content {
    opacity: 1; pointer-events: auto;
  }

  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================
   REVEAL ANIMATION
   ============================================ */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .edu-grid { grid-template-columns: 1fr; }
  .timeline-meta { align-items: flex-start; }
}
@media (max-width: 640px) {
  .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(4,12,26,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 32px 24px;
    gap: 2rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s var(--ease);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle { display: flex; z-index: 999; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .skills-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  
  .section { padding: 60px 0; }
  .section-title { font-size: 2.2rem; text-align: center; margin-bottom: 32px; }
  .section-label { text-align: center; }
  
  .hero { padding: calc(var(--nav-h) + 20px) 0 60px; }
  .hero-content { align-items: center; text-align: center; }
  .hero-desc { text-align: center; }
  .hero-actions { justify-content: center; width: 100%; }
  .btn { width: 100%; justify-content: center; }
  
  .hero-stats { gap: 1.5rem; justify-content: center; width: 100%; }
  .stat-divider { display: none; }
  
  .timeline::before { left: 11px; }
  .timeline-dot { width: 23px; height: 23px; margin-top: 5px; }
  .timeline-item { gap: 16px; }
  .timeline-content { padding: 20px 16px; }
  
  .about-card { padding: 20px; }
  .contact-link { padding: 16px; flex-direction: column; align-items: flex-start; text-align: left; gap: 12px; }
}
@media (max-width: 480px) {
  .hero-name { font-size: 2.5rem; }
  .stat-num { font-size: 1.5rem; }
  .footer-bottom { align-items: center; text-align: center; }
  .footer-bottom-right { flex-direction: column; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}