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

:root {
  --bg:        #0d1117;
  --bg-alt:    #0a0e16;
  --bg-card:   #161b22;
  --bg-card2:  #1c2230;
  --border:    #21262d;
  --green:     #00ff88;
  --cyan:      #00d4ff;
  --purple:    #a371f7;
  --orange:    #f78166;
  --yellow:    #e3b341;
  --text:      #e6edf3;
  --text-muted:#8b949e;
  --text-dim:  #484f58;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', system-ui, sans-serif;
  --radius:    8px;
  --radius-lg: 14px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --glow-g:    0 0 20px rgba(0,255,136,0.15);
  --glow-c:    0 0 20px rgba(0,212,255,0.15);
}

html { scroll-behavior: smooth; font-size: 16px; }

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

a { color: var(--green); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--cyan); }

strong { color: var(--text); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ===== LAYOUT ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 48px;
  letter-spacing: 0.02em;
}
.section-title .prompt { color: var(--green); margin-right: 8px; }

/* ===== FADE IN ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, padding 0.3s;
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  padding: 12px 32px;
}

.nav-brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.nav-brand .prompt { color: var(--green); }
.nav-brand .brand-name { color: var(--cyan); }

.cursor-blink {
  color: var(--green);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--green); }
.nav-links .nav-cta {
  color: var(--green);
  border: 1px solid var(--green);
  padding: 6px 16px;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}
.nav-links .nav-cta:hover { background: var(--green); color: var(--bg); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.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;
  justify-content: center;
  position: relative;
  padding: 100px 24px 60px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,255,136,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,136,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* Terminal window */
.terminal-window {
  background: #0a0e16;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--glow-g);
  overflow: hidden;
  font-family: var(--font-mono);
}
.terminal-window.small { font-size: 0.82rem; }

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #28ca41; }
.terminal-title {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  min-height: 160px;
  font-size: 0.88rem;
  line-height: 1.8;
}
.terminal-line { min-height: 1.6em; }
.terminal-cursor {
  display: inline;
  color: var(--green);
  animation: blink 1s step-end infinite;
}

/* Hero text */
.hero-text { display: flex; flex-direction: column; gap: 16px; }

.hero-name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--green);
  letter-spacing: 0.05em;
}

.hero-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.25);
  color: var(--green);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn-primary {
  padding: 12px 28px;
  background: var(--green);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-primary:hover {
  background: #00e67a;
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,255,136,0.3);
}

.btn-secondary {
  padding: 12px 28px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.hero-socials {
  display: flex;
  gap: 16px;
  margin-top: 4px;
}
.hero-socials a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.hero-socials a svg { width: 18px; height: 18px; }
.hero-socials a:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(0,255,136,0.05);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  animation: fadeInUp 2s ease 1.5s both;
}
.scroll-arrow {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:1} }
@keyframes fadeInUp { from{opacity:0;transform:translateX(-50%) translateY(10px)} to{opacity:1;transform:translateX(-50%) translateY(0)} }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text strong { color: var(--green); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: border-color 0.2s;
}
.stat:hover { border-color: var(--green); }
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.info-block { margin-bottom: 24px; }
.info-row {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.info-row:last-child { border-bottom: none; }
.info-row .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  min-width: 72px;
  padding-top: 1px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.info-row .value {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.info-row .value a { color: var(--cyan); }
.info-row .value a:hover { color: var(--green); }

.btn-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s;
}
.btn-download svg { width: 16px; height: 16px; }
.btn-download:hover { background: var(--green); color: var(--bg); }

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.skill-category:hover {
  border-color: rgba(0,255,136,0.3);
  box-shadow: var(--glow-g);
}
.skill-category h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-icon { font-size: 1.1rem; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s;
}
.tag:hover { border-color: var(--text-dim); color: var(--text); }
.tag-aws    { border-color: rgba(255,153,0,0.3);   color: #ff9900; background: rgba(255,153,0,0.06); }
.tag-iac    { border-color: rgba(163,113,247,0.3); color: var(--purple); background: rgba(163,113,247,0.06); }
.tag-k8s    { border-color: rgba(0,212,255,0.3);   color: var(--cyan); background: rgba(0,212,255,0.06); }
.tag-cicd   { border-color: rgba(0,255,136,0.3);   color: var(--green); background: rgba(0,255,136,0.06); }
.tag-sec    { border-color: rgba(247,129,102,0.3); color: var(--orange); background: rgba(247,129,102,0.06); }
.tag-obs    { border-color: rgba(227,179,65,0.3);  color: var(--yellow); background: rgba(227,179,65,0.06); }
.tag-script { border-color: rgba(0,212,255,0.3);   color: var(--cyan); background: rgba(0,212,255,0.06); }
.tag-virt   { border-color: rgba(163,113,247,0.3); color: var(--purple); background: rgba(163,113,247,0.06); }

/* ===== EXPERIENCE ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), var(--border), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-dot {
  position: absolute;
  left: -29px;
  top: 24px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid var(--bg);
}
.timeline-dot.current {
  background: var(--green);
  box-shadow: 0 0 10px rgba(0,255,136,0.6);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.25s;
}
.timeline-card:hover { border-color: rgba(0,255,136,0.25); }

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.job-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.company {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
}
.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.location {
  font-size: 0.78rem;
  color: var(--text-dim);
}
.badge-current {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.3);
  color: var(--green);
}

.job-points {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.job-points li {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding-left: 16px;
  position: relative;
}
.job-points li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}
.job-points strong { color: var(--text); }

.tech-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.tech {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.project-card:hover {
  border-color: rgba(0,212,255,0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow), var(--glow-c);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.project-icon { font-size: 2rem; }
.project-gh {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
  transition: color 0.2s;
}
.project-gh svg { width: 20px; height: 20px; }
.project-gh:hover { color: var(--text); }

.project-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.project-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.project-highlights li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.project-highlights li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.7rem;
  top: 3px;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--cyan);
}

/* ===== CERTIFICATIONS ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.cert-card:hover {
  border-color: rgba(0,255,136,0.3);
  box-shadow: var(--glow-g);
}
.cert-card.in-progress:hover {
  border-color: rgba(227,179,65,0.3);
  box-shadow: 0 0 20px rgba(227,179,65,0.1);
}

.cert-badge {
  width: 48px; height: 48px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 50%;
  color: var(--green);
}
.cert-badge svg { width: 24px; height: 24px; }
.in-progress .cert-badge {
  background: rgba(227,179,65,0.08);
  border-color: rgba(227,179,65,0.2);
  color: var(--yellow);
}

.cert-info h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.cert-level {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.cert-status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.earned-badge {
  background: rgba(0,255,136,0.1);
  border: 1px solid rgba(0,255,136,0.25);
  color: var(--green);
}
.progress-badge {
  background: rgba(227,179,65,0.1);
  border: 1px solid rgba(227,179,65,0.25);
  color: var(--yellow);
}

/* ===== ACHIEVEMENTS ===== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color 0.25s;
}
.achievement-card:hover { border-color: rgba(163,113,247,0.3); }
.ach-icon { font-size: 1.6rem; flex-shrink: 0; }
.achievement-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.achievement-card strong { color: var(--green); }

/* ===== EDUCATION ===== */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: border-color 0.25s;
}
.edu-card:hover { border-color: rgba(0,212,255,0.3); }
.edu-icon { font-size: 2rem; }
.edu-info h3 { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.edu-school { font-size: 0.88rem; color: var(--cyan); margin-bottom: 4px; }
.edu-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ===== CONTACT ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.contact-item svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--green); }
.contact-item:hover {
  border-color: var(--green);
  color: var(--text);
  background: rgba(0,255,136,0.04);
}

/* Terminal JSON colors */
.t-cmd  { color: var(--green); }
.t-green { color: var(--green); }
.t-cyan  { color: var(--cyan); }
.t-key   { color: var(--cyan); }
.t-str   { color: #a5d6ff; }
.t-bool  { color: var(--orange); }
.t-comment { color: var(--text-dim); font-style: italic; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}
.footer-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.footer-text .prompt { color: var(--green); }
.footer-text .t-green { color: var(--green); }
.footer-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
}
.footer-sub a { color: var(--text-dim); }
.footer-sub a:hover { color: var(--cyan); }

/* ===== TERMINAL TYPING COLORS ===== */
.t-prompt { color: var(--green); }
.t-output { color: var(--text-muted); }
.t-value  { color: var(--cyan); }
.t-label  { color: var(--text-dim); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .about-grid   { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .timeline-header { flex-direction: column; }
  .timeline-meta { align-items: flex-start; }
}

@media (max-width: 768px) {
  .navbar { padding: 14px 20px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(13,17,23,0.97);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 12px 24px;
    border-radius: 0;
  }
  .nav-links .nav-cta {
    margin: 8px 24px;
    text-align: center;
    display: block;
  }
  .hamburger { display: flex; }
  .section { padding: 64px 0; }
  .edu-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
}