:root {
  /* Portfolio design tokens */
  --bg:           #0a0c10;
  --bg-2:         #11141b;
  --bg-3:         #1a1e28;
  --surface:      rgba(255,255,255,0.04);
  --surface-h:    rgba(255,255,255,0.08);
  --border-c:     rgba(255,255,255,0.08);
  --border-h:     rgba(255,255,255,0.16);

  --accent-c:     #4f8ef7;
  --accent-soft:  rgba(79,142,247,0.15);
  --accent-glow:  rgba(79,142,247,0.35);
  --gold:         #f0c060;
  --gold-soft:    rgba(240,192,96,0.12);
  --green:        #3ecf8e;
  --green-soft:   rgba(62,207,142,0.12);

  --text-1:  #f0f2f8;
  --text-2:  #9ba3b8;
  --text-3:  #5a6175;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Syne', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Fira Code', monospace;

  --max-w: 1180px;
  --nav-h: 64px;
  --radius: 16px;
  --radius-sm: 10px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t1: 0.25s;
  --t2: 0.45s;

  /* shadcn token compatibility */
  --background: var(--bg);
  --foreground: var(--text-1);
  --primary: var(--accent-c);
  --primary-foreground: #ffffff;
  --muted: var(--bg-2);
  --muted-foreground: var(--text-2);
  --border: var(--border-c);
  --ring: var(--accent-c);
  --accent: var(--surface);
  --accent-foreground: var(--text-1);
  --card: var(--bg-2);
  --card-foreground: var(--text-1);
  --popover: var(--bg-2);
  --popover-foreground: var(--text-1);
  --secondary: var(--surface);
  --secondary-foreground: var(--text-1);
  --destructive: #f56565;
  --input: var(--border-c);
  --radius-lg: var(--radius);
}

[data-theme="light"] {
  --bg:        #f4f5f9;
  --bg-2:      #ebedf5;
  --bg-3:      #e2e4ef;
  --surface:   rgba(0,0,0,0.04);
  --surface-h: rgba(0,0,0,0.07);
  --border-c:  rgba(0,0,0,0.09);
  --border-h:  rgba(0,0,0,0.18);
  --text-1:    #10131c;
  --text-2:    #4a5068;
  --text-3:    #8a91a8;
}

/* ── Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 20px); font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-c), var(--gold));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* Navigation */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.4s var(--ease), border-color 0.4s;
}
.navbar.scrolled {
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-c);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex; align-items: center; gap: 2rem;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-c);
  letter-spacing: -0.03em;
}
.nav-links { display: flex; gap: 0.25rem; margin-left: auto; }
.nav-link {
  font-size: 0.82rem; font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  letter-spacing: 0.02em;
  transition: color var(--t1), background var(--t1);
}
.nav-link:hover, .nav-link.active { color: var(--text-1); background: var(--surface); }
.nav-link.active { color: var(--accent-c); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border-c);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: background var(--t1), color var(--t1);
}
.theme-toggle:hover { background: var(--surface-h); color: var(--text-1); }
.btn-hire {
  font-size: 0.82rem; font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--accent-c);
  color: #fff;
  transition: opacity var(--t1), transform var(--t1);
}
.btn-hire:hover { opacity: 0.9; transform: translateY(-1px); }
.mobile-menu-btn {
  display: none; flex-direction: column; gap: 5px; padding: 4px;
}
.mobile-menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--text-2); border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border-c);
  padding: 1rem;
  z-index: 999;
}
.mobile-menu ul { display: flex; flex-direction: column; gap: 0.25rem; }
.mob-link {
  display: block; padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-2); font-weight: 500;
  transition: background var(--t1), color var(--t1);
}
.mob-link:hover { background: var(--surface); color: var(--text-1); }

/* Container / sections */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
.section-header { margin-bottom: 4rem; }
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent-c);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-1);
}
.section-header h2 em { font-style: italic; color: var(--accent-c); }
.section-sub { margin-top: 1rem; color: var(--text-2); font-size: 1rem; max-width: 640px; }

/* Glass */
.glass {
  background: var(--surface);
  border: 1px solid var(--border-c);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.9rem;
  transition: opacity var(--t1), transform var(--t1), box-shadow var(--t1), background var(--t1), border-color var(--t1);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent-c); color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover { opacity: 0.92; transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }
.btn-secondary {
  background: var(--surface); color: var(--text-1);
  border: 1px solid var(--border-c);
}
.btn-secondary:hover { background: var(--surface-h); border-color: var(--border-h); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  position: relative; overflow: hidden;
  padding: var(--nav-h) 2rem 4rem;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-c) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-c) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
  opacity: 0.4;
  pointer-events: none;
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.hero-orb-1 { width: 600px; height: 600px; background: var(--accent-soft); top: -15%; right: -10%; opacity: 0.6; }
.hero-orb-2 { width: 400px; height: 400px; background: var(--gold-soft); bottom: 0; left: -5%; opacity: 0.5; }
.hero-content { position: relative; z-index: 1; max-width: var(--max-w); margin: 0 auto; width: 100%; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--green-soft);
  border: 1px solid rgba(62,207,142,0.2);
  color: var(--green);
  padding: 0.4rem 1rem;
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.06em;
}
.hero-badge-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.hero-badge-row .hero-badge { margin-bottom: 0; }

.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(62,207,142,0.5); }
  50% { box-shadow: 0 0 0 6px rgba(62,207,142,0); }
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}
.hero-name em { font-style: italic; color: var(--accent-c); }
.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: var(--text-2);
  margin-bottom: 1.25rem;
  min-height: 1.6em;
  letter-spacing: 0.02em;
}
.cursor { animation: blink 1s infinite; color: var(--accent-c); }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
.hero-sub { font-size: 1rem; color: var(--text-2); margin-bottom: 2.5rem; line-height: 1.7; max-width: 620px; }
.hero-stats { display: flex; align-items: center; gap: 2.5rem; margin-bottom: 2.5rem; flex-wrap: wrap; }
.stat-num { font-family: var(--font-display); font-size: 2.5rem; color: var(--text-1); line-height: 1; }
.stat-suffix { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent-c); }
.stat-label { display: block; font-size: 0.78rem; color: var(--text-3); margin-top: 0.25rem; line-height: 1.4; }
.stat-divider { width: 1px; height: 50px; background: var(--border-c); }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-socials { display: flex; gap: 0.75rem; }
.hero-socials a {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--border-c);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: background var(--t1), border-color var(--t1), color var(--t1), transform var(--t1);
}
.hero-socials a:hover { background: var(--surface-h); border-color: var(--border-h); color: var(--text-1); transform: translateY(-2px); }

/* Recruiter bar */
.recruiter { padding: 4rem 0; background: var(--bg-2); border-top: 1px solid var(--border-c); border-bottom: 1px solid var(--border-c); }
.recruiter-inner { display: flex; flex-direction: column; gap: 2rem; }
.recruiter-label { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.tag-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em;
  background: var(--accent-soft); color: var(--accent-c);
  border: 1px solid rgba(79,142,247,0.3);
  padding: 0.3rem 0.8rem; border-radius: 99px;
  text-transform: uppercase;
}
.recruiter-label h2 { font-family: var(--font-display); font-size: 1.6rem; letter-spacing: -0.02em; }
.recruiter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.r-item {
  display: flex; align-items: flex-start; gap: 0.8rem;
  padding: 1rem 1.25rem;
  background: var(--surface); border: 1px solid var(--border-c);
  border-radius: var(--radius-sm);
}
.r-icon { font-size: 1.3rem; flex-shrink: 0; }
.r-item strong { font-size: 0.72rem; color: var(--text-3); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; display: block; }
.r-item span { font-size: 0.9rem; color: var(--text-1); font-weight: 500; }
.recruiter-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 340px; gap: 4rem; align-items: start; }
.about-lead { font-size: 1.12rem; color: var(--text-1); line-height: 1.7; margin-bottom: 1.25rem; }
.about-text p { color: var(--text-2); margin-bottom: 1rem; }
.about-highlights { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; }
.highlight-chip {
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
  border-radius: 99px;
  background: var(--surface); border: 1px solid var(--border-c);
  color: var(--text-2);
  transition: border-color var(--t1), color var(--t1);
}
.highlight-chip:hover { border-color: var(--accent-c); color: var(--accent-c); }
.about-card { padding: 2rem; text-align: center; position: sticky; top: calc(var(--nav-h) + 1.5rem); }
.about-card-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  margin: 0 auto 1rem;
  border: 2px solid var(--accent-c);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent-soft), var(--gold-soft));
  font-family: var(--font-display); font-size: 2.4rem; color: var(--accent-c);
}
.about-card h3 { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: -0.02em; }
.about-card-role { font-size: 0.85rem; color: var(--text-2); margin-bottom: 1.25rem; }
.about-card-list { text-align: left; display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.5rem; }
.about-card-list li { display: flex; align-items: center; gap: 0.6rem; font-size: 0.85rem; color: var(--text-2); }
.about-card-list svg { color: var(--accent-c); flex-shrink: 0; }
.about-card-langs { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.lang-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.7rem;
  border-radius: 99px;
  border: 1px solid var(--border-c);
  color: var(--text-2);
}

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem; }
.skill-card { padding: 1.5rem; transition: transform var(--t2) var(--ease), border-color var(--t2), box-shadow var(--t2); }
.skill-card:hover { transform: translateY(-4px); border-color: var(--border-h); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
.skill-icon { font-size: 1.75rem; margin-bottom: 0.75rem; }
.skill-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.skill-card p { font-size: 0.78rem; color: var(--text-3); margin-bottom: 0.9rem; }
.skill-bar-wrap { background: var(--bg-3); border-radius: 99px; height: 5px; overflow: hidden; margin-bottom: 0.4rem; }
.skill-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent-c), var(--gold)); border-radius: 99px; transition: width 1.2s var(--ease); }
.skill-pct { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-c); }

/* Timeline */
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 12px; bottom: 12px;
  width: 1px; background: linear-gradient(to bottom, var(--accent-c), transparent);
}
.timeline-item { position: relative; margin-bottom: 2.5rem; }
.tl-dot {
  position: absolute; left: -2.15rem; top: 1.4rem;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--accent-c);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.tl-content { padding: 1.75rem; transition: transform var(--t2) var(--ease), border-color var(--t2); }
.tl-content:hover { transform: translateX(4px); border-color: var(--border-h); }
.tl-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.tl-header h3 { font-size: 1.1rem; font-weight: 700; }
.tl-company { font-size: 0.85rem; color: var(--text-2); display: block; margin-top: 0.15rem; }
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.72rem; color: var(--accent-c);
  background: var(--accent-soft);
  padding: 0.3rem 0.75rem; border-radius: 99px;
  white-space: nowrap;
}
.tl-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.9rem; }
.tl-tags span {
  font-size: 0.72rem; padding: 0.25rem 0.65rem; border-radius: 99px;
  background: var(--bg-3); border: 1px solid var(--border-c); color: var(--text-3);
}
.tl-list { padding-left: 1.1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.tl-list li { list-style: disc; font-size: 0.9rem; color: var(--text-2); line-height: 1.6; }
.tl-list li::marker { color: var(--accent-c); }
.tl-impact { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.2rem; }
.impact-chip {
  font-size: 0.78rem; padding: 0.3rem 0.75rem; border-radius: 99px;
  background: var(--green-soft); border: 1px solid rgba(62,207,142,0.2); color: var(--green);
}

/* Roadmap */
.roadmap {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border-c);
  border-radius: var(--radius);
}
.roadmap-item {
  flex: 1; min-width: 140px; text-align: center;
  padding: 1.25rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-c);
  background: var(--bg);
  transition: border-color var(--t2), transform var(--t2);
}
.roadmap-item.active { border-color: rgba(79,142,247,0.35); background: var(--accent-soft); }
.roadmap-item.future { border-color: var(--gold); background: var(--gold-soft); animation: glow-pulse 2.5s infinite; }
@keyframes glow-pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(240,192,96,0.2); }
  50% { box-shadow: 0 0 20px rgba(240,192,96,0.3); }
}
.roadmap-item:hover { transform: translateY(-3px); }
.rm-icon { font-size: 1.8rem; margin-bottom: 0.6rem; }
.rm-label { font-size: 0.82rem; font-weight: 600; color: var(--text-1); line-height: 1.4; display: block; }
.rm-label small { font-weight: 400; color: var(--text-3); font-size: 0.72rem; display: block; margin-top: 0.2rem; }
.roadmap-arrow { color: var(--text-3); font-size: 1.3rem; }

/* Projects */
.filter-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.filter-btn {
  font-size: 0.82rem; font-weight: 500;
  padding: 0.45rem 1.1rem; border-radius: 99px;
  border: 1px solid var(--border-c);
  color: var(--text-2);
  background: var(--surface);
  transition: all var(--t1);
}
.filter-btn:hover { border-color: var(--border-h); color: var(--text-1); }
.filter-btn.active { background: var(--accent-c); border-color: var(--accent-c); color: #fff; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem; }
.project-card { padding: 1.75rem; display: flex; flex-direction: column; gap: 0.75rem;
  transition: transform var(--t2) var(--ease), border-color var(--t2), box-shadow var(--t2);
}
.project-card:hover { transform: translateY(-5px); border-color: var(--border-h); box-shadow: 0 20px 60px rgba(0,0,0,0.25); }
.project-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; }
.project-meta-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.p-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.25rem 0.6rem; border-radius: 99px;
  background: var(--accent-soft); color: var(--accent-c);
  border: 1px solid rgba(79,142,247,0.2);
}
.project-title { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: -0.02em; line-height: 1.25; }
.project-problem, .project-solution { font-size: 0.875rem; color: var(--text-2); line-height: 1.6; }
.project-impact { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; padding-top: 0.5rem; }
.pi-chip {
  font-size: 0.75rem; padding: 0.3rem 0.7rem; border-radius: 99px;
  background: var(--green-soft); color: var(--green);
  border: 1px solid rgba(62,207,142,0.15);
}

/* KPIs / Dashboard */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 2rem; }
.kpi-card {
  padding: 1.75rem 1.5rem; text-align: center;
  transition: transform var(--t2), border-color var(--t2);
}
.kpi-card:hover { transform: translateY(-4px); border-color: var(--border-h); }
.kpi-icon { font-size: 1.75rem; margin-bottom: 0.75rem; }
.kpi-num { font-family: var(--font-display); font-size: 2.75rem; color: var(--accent-c); line-height: 1; display: inline-block; }
.kpi-unit { font-family: var(--font-display); font-size: 1.5rem; color: var(--text-2); vertical-align: top; margin-top: 0.4rem; display: inline-block; }
.kpi-label { font-size: 0.9rem; font-weight: 600; margin-top: 0.6rem; }
.kpi-sub { font-size: 0.75rem; color: var(--text-3); margin-top: 0.2rem; }

/* Bar chart */
.bar-chart { display: flex; flex-direction: column; gap: 0.9rem; }
.bar-row { display: grid; grid-template-columns: 100px 1fr 50px; align-items: center; gap: 0.75rem; }
.bar-label { font-size: 0.82rem; color: var(--text-2); }
.bar-track { height: 8px; background: var(--bg-3); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent-c), var(--gold)); border-radius: 99px; transition: width 1.4s var(--ease); }
.bar-val { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent-c); text-align: right; }

/* Certifications */
.certs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; }
.cert-card { display: flex; gap: 1.25rem; padding: 1.5rem; align-items: flex-start;
  transition: transform var(--t2), border-color var(--t2);
}
.cert-card:hover { transform: translateY(-4px); border-color: var(--border-h); }
.cert-logo { font-size: 2rem; flex-shrink: 0; }
.cert-body h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.4rem; line-height: 1.3; }
.cert-provider {
  font-family: var(--font-mono);
  font-size: 0.72rem; color: var(--accent-c);
  background: var(--accent-soft);
  padding: 0.15rem 0.6rem; border-radius: 99px;
  margin-right: 0.4rem;
}
.cert-year { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); }
.cert-skills { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }
.cert-skills span {
  font-size: 0.7rem; padding: 0.2rem 0.55rem; border-radius: 99px;
  background: var(--bg-3); border: 1px solid var(--border-c); color: var(--text-3);
}

/* Education */
.edu-timeline { display: flex; flex-direction: column; gap: 1.5rem; }
.edu-item { display: flex; gap: 2rem; padding: 2rem;
  transition: transform var(--t2), border-color var(--t2);
}
.edu-item:hover { transform: translateX(4px); border-color: var(--border-h); }
.edu-left { flex-shrink: 0; text-align: center; min-width: 90px; }
.edu-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.edu-year { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); line-height: 1.4; }
.edu-right h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.3rem; }
.edu-grade {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.6rem; border-radius: 99px;
  background: var(--green-soft); color: var(--green);
  border: 1px solid rgba(62,207,142,0.2);
  margin-left: 0.4rem;
}
.edu-school { font-size: 0.85rem; color: var(--accent-c); display: block; margin-bottom: 0.6rem; }
.edu-right p { font-size: 0.88rem; color: var(--text-2); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-lead { font-size: 1rem; color: var(--text-1); line-height: 1.7; margin-bottom: 2rem; }
.contact-links { display: flex; flex-direction: column; gap: 0.9rem; }
.contact-link {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem;
  transition: transform var(--t2), border-color var(--t2);
}
.contact-link:hover { transform: translateX(4px); border-color: var(--border-h); }
.contact-link svg { color: var(--accent-c); flex-shrink: 0; }
.contact-link strong { font-size: 0.72rem; color: var(--text-3); font-weight: 500; letter-spacing: 0.06em; display: block; text-transform: uppercase; }
.contact-link span { font-size: 0.9rem; color: var(--text-1); font-weight: 500; }
.contact-form { padding: 2rem; }
.contact-form h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-2); letter-spacing: 0.04em; }
.form-group input, .form-group textarea {
  background: var(--bg); border: 1px solid var(--border-c); color: var(--text-1);
  padding: 0.7rem 1rem; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.9rem;
  transition: border-color var(--t1), box-shadow var(--t1);
  outline: none; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent-c);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-success {
  margin-top: 1rem; padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--green-soft); border: 1px solid rgba(62,207,142,0.2);
  color: var(--green); font-size: 0.875rem; text-align: center;
}

/* Footer */
.footer { background: var(--bg); border-top: 1px solid var(--border-c); padding: 2rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-left { display: flex; align-items: center; gap: 0.75rem; }
.footer-logo { font-family: var(--font-display); font-size: 1.4rem; color: var(--accent-c); }
.footer-copy { font-size: 0.78rem; color: var(--text-3); }
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { font-size: 0.82rem; color: var(--text-3); transition: color var(--t1); }
.footer-links a:hover { color: var(--accent-c); }

/* FAB */
.fab {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent-c); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 25px var(--accent-glow);
  z-index: 999;
  transition: transform var(--t1), opacity var(--t1);
}
.fab:hover { transform: translateY(-3px) scale(1.05); }

/* Section bg helpers */
.bg-2 { background: var(--bg-2); }

/* Responsive */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; max-width: 400px; margin-left: auto; margin-right: auto; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-hire { display: none; }
  .mobile-menu-btn { display: flex; }
  .section { padding: 4rem 0; }
  .hero-stats { gap: 1.5rem; }
  .stat-divider { display: none; }
  .roadmap { flex-direction: column; }
  .roadmap-arrow { transform: rotate(90deg); }
  .projects-grid { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; text-align: center; }
  .edu-item { flex-direction: column; gap: 1rem; }
  .bar-row { grid-template-columns: 80px 1fr 40px; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-name { font-size: 3rem; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}