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

:root {
  --bg:          #040912;
  --bg2:         #07101f;
  --bg3:         #0b1628;
  --surface:     rgba(255,255,255,0.032);
  --surface-h:   rgba(255,255,255,0.06);
  --border:      rgba(148,163,184,0.1);
  --border-h:    rgba(148,163,184,0.2);

  --primary:     #3b82f6;
  --primary-glow:rgba(59,130,246,0.32);
  --cyan:        #38bdf8;
  --cyan-glow:   rgba(56,189,248,0.22);
  --teal:        #2dd4bf;
  --green:       #34d399;
  --purple-soft: #818cf8;

  --text:        #f1f5f9;
  --text-muted:  #94a3b8;
  --text-dim:    #475569;

  --font-body:   'Inter', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;

  --transition:  0.35s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection { background: var(--primary); color: #fff; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ═══════════════════════════════════════════════════
   AMBIENT ORBS
═══════════════════════════════════════════════════ */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  animation: orb-drift 18s ease-in-out infinite alternate;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.14) 0%, transparent 70%);
  top: -200px; left: -200px;
}
.orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(56,189,248,0.09) 0%, transparent 70%);
  bottom: 10%; right: -150px;
  animation-delay: -6s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(129,140,248,0.08) 0%, transparent 70%);
  top: 50%; left: 40%;
  animation-delay: -12s;
}
@keyframes orb-drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(40px,30px) scale(1.1); }
}

/* ═══════════════════════════════════════════════════
   PARTICLE CANVAS
═══════════════════════════════════════════════════ */
#particles-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ═══════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 64px;
  background: rgba(8,11,20,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(8,11,20,0.92);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.nav-logo span { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--primary);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* ═══════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: none;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 rgba(59,130,246,0);
}
.btn-primary::before { background: rgba(255,255,255,0.12); }
.btn-primary:hover { box-shadow: 0 0 24px var(--primary-glow), 0 4px 12px rgba(59,130,246,0.4); transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-h);
}
.btn-ghost::before { background: var(--surface-h); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.8rem;
}

/* ═══════════════════════════════════════════════════
   SECTION COMMON
═══════════════════════════════════════════════════ */
.section {
  position: relative;
  z-index: 1;
  padding: 7rem 0;
}
.section-alt { background: var(--bg2); }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 5%;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--primary);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.15;
}
.section-line {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 2px;
  margin: 1.25rem auto 0;
}

/* ═══════════════════════════════════════════════════
   AOS (INTERSECTION OBSERVER CLASSES)
═══════════════════════════════════════════════════ */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-aos="fade-left"] {
  transform: translateX(40px);
}
[data-aos="fade-left"].aos-visible {
  transform: translateX(0);
}
[data-aos="fade-right"] {
  transform: translateX(-40px);
}
[data-aos="fade-right"].aos-visible {
  transform: translateX(0);
}

/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 9rem 5% 5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  width: fit-content;
}
.dot-pulse {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform: scale(1); box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  50%      { opacity:0.8; transform: scale(0.95); box-shadow: 0 0 0 6px rgba(52,211,153,0); }
}

.hero-name {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1rem;
}
.name-first { color: var(--text); }
.name-last {
  color: transparent;
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 60%, #34d399 100%);
  -webkit-background-clip: text;
  background-clip: text;
  display: inline-block;
  position: relative;
}
.name-last::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 3px;
  opacity: 0.4;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.highlight {
  color: var(--cyan);
  font-weight: 600;
}

.typing-wrapper {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  margin-bottom: 2.5rem;
  width: fit-content;
  min-width: 340px;
}
.typing-prefix { color: var(--green); margin-right: 0.35rem; }
.cursor {
  display: inline-block;
  color: var(--primary);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.stat-plus { color: var(--primary); font-size: 1.2rem; }
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-h);
}

/* ── Code Card ── */
.hero-visual { display: flex; justify-content: center; }

.code-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-width: 340px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(59,130,246,0.12);
  animation: code-float 6s ease-in-out infinite;
}
@keyframes code-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

.code-card-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
}
.traffic-light {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.traffic-light.red    { background: #ff5f57; }
.traffic-light.yellow { background: #febc2e; }
.traffic-light.green  { background: #28c840; }

.code-card-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: auto;
  margin-right: auto;
}

.code-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2;
}
.code-line { display: block; }
.c-brace  { color: #ccc; }
.c-key    { color: var(--cyan); }
.c-colon  { color: #ccc; }
.c-str    { color: #fbbf24; }
.c-num    { color: #f97316; }
.c-punc   { color: #6b7280; }
.c-green  { color: var(--green) !important; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}
.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid var(--text-dim);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}
.scroll-wheel {
  width: 3px; height: 7px;
  background: var(--text-muted);
  border-radius: 2px;
  animation: scroll-wheel 2s ease-in-out infinite;
}
@keyframes scroll-wheel {
  0%   { opacity:1; transform: translateY(0); }
  100% { opacity:0; transform: translateY(12px); }
}

/* ═══════════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 1.02rem;
  line-height: 1.8;
}
.about-text strong { color: var(--text); font-weight: 600; }
.about-text em { color: var(--cyan); font-style: normal; }

.about-info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}
.about-info-card:hover { border-color: var(--border-h); }
.info-card-glow {
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}
.info-item:last-child { border-bottom: none; padding-bottom: 0; }
.info-icon {
  width: 36px; height: 36px;
  background: rgba(59,130,246,0.12);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.info-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  margin-bottom: 0.15rem;
}
.info-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

/* ═══════════════════════════════════════════════════
   TIMELINE / EXPERIENCE
═══════════════════════════════════════════════════ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0 1.75rem;
  padding-bottom: 2.5rem;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.timeline-connector::after {
  content: '';
  flex: 1;
  width: 1px;
  background: linear-gradient(to bottom, var(--primary-glow), transparent);
  margin-top: 0.5rem;
}
.timeline-item:last-child .timeline-connector::after { display: none; }

.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--text-dim);
  background: var(--bg);
  flex-shrink: 0;
  margin-top: 1.6rem;
  transition: var(--transition);
}
.timeline-dot.active {
  border-color: var(--primary);
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}
.timeline-dot.viettel   { border-color: var(--teal); }
.timeline-dot.muted     { border-color: var(--text-dim); }

/* ── Exp Card ── */
.exp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.exp-card:hover {
  border-color: var(--border-h);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.exp-card-accent {
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--primary), transparent);
  border-radius: 0 0 0 var(--radius-md);
}
.exp-card-accent.viettel { background: linear-gradient(180deg, var(--teal), transparent); }
.exp-card-accent.muted   { background: linear-gradient(180deg, var(--text-dim), transparent); }

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.exp-company {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.exp-company.viettel-text { color: var(--teal); }
.exp-company.muted-text   { color: var(--text-dim); }

.exp-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.exp-period {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
  background: rgba(255,255,255,0.04);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.exp-duration {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.exp-bullets {
  padding-left: 0;
  margin-bottom: 1.25rem;
}
.exp-bullets li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.55rem;
  line-height: 1.65;
}
.exp-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.75rem;
  top: 0.15rem;
}
.exp-bullets li strong { color: var(--text); font-weight: 600; }

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag {
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--purple-soft);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.tag-teal {
  background: rgba(45,212,191,0.1);
  border-color: rgba(45,212,191,0.25);
  color: var(--teal);
}
.tag-muted {
  background: rgba(75,79,106,0.15);
  border-color: rgba(75,79,106,0.3);
  color: var(--text-dim);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0.65rem;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge-active {
  background: rgba(52,211,153,0.12);
  border: 1px solid rgba(52,211,153,0.3);
  color: var(--green);
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

/* ═══════════════════════════════════════════════════
   SKILLS
═══════════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(59,130,246,0.06), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.skill-card:hover {
  border-color: rgba(59,130,246,0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
.skill-card:hover::before { opacity: 1; }

.skill-card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.skill-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.pill {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.7rem;
  border-radius: 6px;
  transition: var(--transition);
}
.pill:hover {
  background: rgba(59,130,246,0.15);
  border-color: rgba(59,130,246,0.4);
  color: var(--primary);
}

/* ── Subtle achievements row ── */
.exp-achievements {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.07);
  border-left: 2px solid rgba(59,130,246,0.45);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.exp-achievement-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.83rem;
  color: var(--text-muted);
}
.ach-icon { font-size: 0.9rem; flex-shrink: 0; }
.ach-text strong { color: var(--text); font-weight: 600; }

/* ── Dim early-career card ── */
.exp-card-dim {
  opacity: 0.75;
  transition: opacity var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.exp-card-dim:hover { opacity: 1; }

.exp-role-dim { color: var(--text-muted); font-weight: 500; font-size: 1rem; }

.exp-era-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.exp-bullets-dim li { color: var(--text-dim); }
.exp-bullets-dim li strong { color: var(--text-muted); }


/* ═══════════════════════════════════════════════════
   EDUCATION
═══════════════════════════════════════════════════ */
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}
.edu-card:hover { border-color: var(--border-h); }

.edu-card-accent {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
}

.edu-icon { font-size: 3rem; flex-shrink: 0; }

.edu-school {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.edu-degree {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.edu-period {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.edu-gpa {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(250,191,36,0.1);
  border: 1px solid rgba(250,191,36,0.3);
  color: #fbbf24;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
}

.edu-decoration {
  position: absolute;
  right: 2rem;
  bottom: 1.5rem;
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.025);
  letter-spacing: -0.02em;
  pointer-events: none;
  user-select: none;
}

/* ═══════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  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;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.contact-link:hover {
  border-color: var(--border-h);
  background: var(--surface-h);
  transform: translateX(4px);
}
.contact-link-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-link-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 0.1rem;
}
.contact-link-value {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
}
.contact-arrow {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 0.75rem;
  transition: var(--transition);
}
.contact-link:hover .contact-arrow {
  color: var(--primary);
  transform: translateX(3px);
}

/* ── Terminal Card ── */
.terminal-card {
  background: #0d1117;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: #4b5563;
  margin-left: auto;
  margin-right: auto;
}
.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.83rem;
  line-height: 2.1;
}
.t-line { display: block; }
.t-prompt { color: #4ade80; margin-right: 0.5rem; }
.t-cmd    { color: #e2e8f0; }
.t-out    { color: #6b7280; padding-left: 0; }
.t-green  { color: #4ade80 !important; }
.t-blink { min-height: 1.5em; }

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 2.5rem 5%;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-muted);
}
.footer-logo span { color: var(--primary); }
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-dim);
}
.footer-socials {
  display: flex;
  gap: 1rem;
}
.footer-socials a {
  width: 36px; height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-socials a:hover {
  background: rgba(59,130,246,0.15);
  border-color: rgba(59,130,246,0.4);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 8rem;
  }
  .hero-visual { order: -1; }
  .hero-tag, .hero-cta, .hero-stats { justify-content: center; }
  .typing-wrapper { margin: 0 auto 2.5rem; }
  .scroll-indicator { display: none; }

  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-name { font-size: 3.5rem; }
  .hero-stats { gap: 1.2rem; }
  .stat-divider { height: 30px; }
  .timeline-item { grid-template-columns: 20px 1fr; gap: 0 1rem; }
  .edu-card { flex-direction: column; }
  .edu-decoration { display: none; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .code-card { min-width: unset; width: 100%; }
  .typing-wrapper { min-width: unset; width: 100%; }
}