/* =====================================================
   Design System
===================================================== */
:root {
  --bg:           #080C14;
  --bg-card:      #0D1524;
  --bg-card2:     #111D30;
  --border:       #1A2A42;
  --border-light: #243650;

  --text:         #CDD9E5;
  --text-muted:   #5D7494;
  --text-dim:     #3D5270;

  --accent:       #22D3EE;   /* cyan */
  --accent-2:     #818CF8;   /* indigo */
  --green:        #34D399;
  --yellow:       #FBBF24;
  --danger:       #F87171;

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

  --radius:    8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --nav-h:     64px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
}

/* =====================================================
   Reset
===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }
ul { list-style: none; }
strong { color: #fff; font-weight: 600; }
.mono { font-family: var(--font-mono); }

/* =====================================================
   Utilities
===================================================== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 6rem 0; }
.accent { color: var(--accent); }

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin-bottom: 3rem;
}

/* Tags */
.tag {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  background: rgba(26,42,66,0.8);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  transition: all 0.2s;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }
.tag.hl { border-color: rgba(34,211,238,0.3); color: var(--accent); }
.tag.small { padding: 0.2rem 0.5rem; font-size: 0.7rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s var(--ease);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #080C14;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); color: #080C14; }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-ghost:hover { background: rgba(34,211,238,0.08); transform: translateY(-1px); color: var(--accent); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* =====================================================
   Navbar
===================================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(8,12,20,0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
#navbar.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: #fff !important;
}
.logo-bracket { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

.btn-term-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-term-nav:hover { border-color: var(--accent); background: rgba(34,211,238,0.06); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* =====================================================
   Hero
===================================================== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-h) + 2rem);
  position: relative;
  overflow: hidden;
}

/* Subtle grid background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Badges */
.hero-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
}
.badge-available {
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  color: var(--green);
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.badge-location {
  background: rgba(26,42,66,0.6);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.hero-name {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.hero-role {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.btn-term-hero {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(34,211,238,0.06);
  border: 1.5px solid rgba(34,211,238,0.3);
  color: var(--accent);
  font-size: 0.88rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-term-hero:hover {
  background: rgba(34,211,238,0.12);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(34,211,238,0.15);
}

.key-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 1.75rem;
}
.key-hint kbd {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 0.68rem;
  color: var(--accent);
}

/* Tech strip */
.tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tech-pill {
  padding: 0.25rem 0.65rem;
  background: rgba(17,29,48,0.8);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  transition: all 0.2s;
}
.tech-pill:hover { border-color: var(--accent); color: var(--accent); }
.accent-pill { border-color: rgba(34,211,238,0.2); color: var(--text-muted); }

/* Hero widget */
.hero-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(34,211,238,0.08), 0 0 40px rgba(34,211,238,0.04);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.widget-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.dot.red    { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green  { background: #27C93F; }
.widget-title { flex: 1; text-align: center; font-size: 0.73rem; color: var(--text-muted); }

.widget-body {
  padding: 1.25rem 1.25rem 1.5rem;
  line-height: 1.9;
}
.wl { margin: 0; color: var(--text-muted); }
.wl-block {
  display: block;
  white-space: pre;
  margin: 0.25rem 0 0.5rem;
}
.wc-prompt { color: var(--green); }
.wc-cmd    { color: var(--text); }
.wc-key    { color: var(--accent-2); }
.wc-str    { color: #a5d6ff; }
.wc-accent { color: var(--accent); }
.wc-green  { color: var(--green); }
.wc-dim    { color: var(--text-dim); }
.cursor-blink { color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Scroll indicator */
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.scroll-bar {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDrop 1.8s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* =====================================================
   Impact Strip
===================================================== */
.impact-strip {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2rem 0;
}
.impact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.impact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  min-width: 100px;
}
.impact-val {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}
.impact-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.impact-unit {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.impact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}
.impact-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* =====================================================
   About
===================================================== */
#about { background: var(--bg); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-narrative p {
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  font-size: 0.95rem;
}
.about-narrative p:last-child { margin-bottom: 0; }
.about-narrative .section-title { margin-bottom: 1.5rem; }

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.persona-card:hover {
  border-color: rgba(34,211,238,0.3);
  transform: translateX(4px);
}
.persona-icon { font-size: 1.1rem; display: block; margin-bottom: 0.4rem; }
.persona-card h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.persona-card p {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =====================================================
   Experience
===================================================== */
#experience { background: var(--bg-card); }

.timeline {
  position: relative;
  padding-left: 2.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 12px; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, transparent 100%);
}

.tl-item {
  position: relative;
  margin-bottom: 3rem;
}
.tl-item:last-child { margin-bottom: 0; }

.tl-marker {
  position: absolute;
  left: -2.85rem;
  top: 1.35rem;
}
.tl-dot {
  width: 14px; height: 14px;
  background: var(--bg-card);
  border: 2px solid var(--border-light);
  border-radius: 50%;
  transition: border-color 0.2s;
}
.tl-dot.current {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(34,211,238,0.15);
}
.tl-item:hover .tl-dot { border-color: var(--accent); }

.tl-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.2s;
}
.tl-card:hover { border-color: rgba(34,211,238,0.2); }

.tl-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.tl-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.tl-company-badge {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.tl-company-badge.s2 { background: rgba(34,211,238,0.1); color: var(--accent); border: 1px solid rgba(34,211,238,0.2); }
.tl-company-badge.bts { background: rgba(129,140,248,0.1); color: var(--accent-2); border: 1px solid rgba(129,140,248,0.2); }

.tl-head h3 { font-size: 1.15rem; color: #fff; margin-bottom: 0.2rem; }
.tl-company { font-size: 0.85rem; color: var(--accent); }
.tl-note { color: var(--text-muted); font-size: 0.8rem; }
.tl-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 0.4rem; flex-shrink: 0; }
.tl-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-muted); white-space: nowrap; }
.tl-badge {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: rgba(26,42,66,0.8);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.current-badge { background: rgba(52,211,153,0.1); color: var(--green); border-color: rgba(52,211,153,0.2); }

.tl-context {
  font-size: 0.83rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.tl-bullets { padding-left: 1.25rem; list-style: disc; margin-bottom: 1.25rem; }
.tl-bullets li {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  line-height: 1.6;
}
.tl-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; padding-top: 1rem; border-top: 1px solid var(--border); }

/* Client grid */
.client-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.client-card {
  background: rgba(8,12,20,0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  transition: border-color 0.2s;
}
.client-card:hover { border-color: rgba(34,211,238,0.2); }
.client-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}
.client-logo {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  flex-shrink: 0;
}
.client-logo.cartier { background: rgba(212,175,55,0.1); color: #D4AF37; border: 1px solid rgba(212,175,55,0.2); }
.client-logo.centex  { background: rgba(34,211,238,0.1); color: var(--accent); border: 1px solid rgba(34,211,238,0.15); }
.client-logo.ccc     { background: rgba(129,140,248,0.1); color: var(--accent-2); border: 1px solid rgba(129,140,248,0.15); }
.client-logo.abbott  { background: rgba(251,191,36,0.1); color: var(--yellow); border: 1px solid rgba(251,191,36,0.15); }
.client-tech-line { font-size: 0.7rem; color: var(--text-dim); font-family: var(--font-mono); }
.client-bullets { padding-left: 1rem; list-style: disc; }
.client-bullets li { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.25rem; line-height: 1.5; }

/* =====================================================
   Skills
===================================================== */
#skills { background: var(--bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s;
}
.skill-group:hover { border-color: rgba(34,211,238,0.2); }

.sg-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sg-icon { font-size: 1rem; }

/* Skill bars */
.skill-bars { display: flex; flex-direction: column; gap: 0.75rem; }
.sbar { display: flex; flex-direction: column; gap: 0.3rem; }
.sbar-name { font-size: 0.78rem; color: var(--text-muted); font-family: var(--font-mono); }
.sbar-track {
  height: 4px;
  background: var(--bg-card2);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.sbar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
  transition: width 1s var(--ease);
}
.skill-group.bar-animated .sbar-fill { width: var(--w); }

/* Tags block */
.tags-block { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* =====================================================
   Projects
===================================================== */
#projects { background: var(--bg-card); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.project-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.project-card:hover {
  border-color: rgba(34,211,238,0.25);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.proj-header { display: flex; justify-content: space-between; align-items: center; }
.proj-icon { font-size: 1.5rem; }
.proj-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  transition: all 0.2s;
}
.proj-link:hover { color: var(--accent); border-color: var(--accent); }

.project-card h3 { font-size: 1rem; color: #fff; font-weight: 600; }
.proj-desc { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.proj-stat {
  display: flex;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.proj-stat-item { font-size: 0.75rem; color: var(--text-dim); font-family: var(--font-mono); }
.text-muted { color: var(--text-dim) !important; }

.projects-cta { text-align: center; }

/* =====================================================
   Beyond the Code
===================================================== */
#beyond { background: var(--bg); }

.beyond-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.beyond-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}
.beyond-card:hover {
  border-color: rgba(129,140,248,0.3);
  transform: translateY(-2px);
}
.beyond-icon { font-size: 1.75rem; display: block; margin-bottom: 0.75rem; }
.beyond-card h3 { font-size: 0.95rem; color: #fff; font-weight: 600; margin-bottom: 0.6rem; }
.beyond-card p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1rem; }
.beyond-link {
  font-size: 0.8rem;
  color: var(--accent-2);
  font-weight: 500;
}
.beyond-link:hover { color: #fff; }

/* =====================================================
   Certifications
===================================================== */
#certs { background: var(--bg-card); }

.certs-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 560px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.cert-card:hover { border-color: rgba(34,211,238,0.2); }

.cert-badge {
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  min-width: 44px;
  text-align: center;
  flex-shrink: 0;
}
.cert-badge.aws { background: rgba(255,153,0,0.1); color: #FF9900; border: 1px solid rgba(255,153,0,0.2); }
.cert-badge.sec { background: rgba(248,113,113,0.1); color: var(--danger); border: 1px solid rgba(248,113,113,0.2); }

.cert-name { font-size: 0.875rem; color: var(--text); font-weight: 500; }
.cert-issuer { font-size: 0.75rem; color: var(--text-muted); }

/* =====================================================
   Contact
===================================================== */
#contact { background: var(--bg); }

.contact-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-text .section-title { margin-bottom: 1rem; }
.contact-text p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0.75rem; }

.contact-links-block {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: all 0.2s;
}
.contact-row:hover { border-color: var(--accent); color: var(--text); }
.cr-icon { color: var(--text-dim); flex-shrink: 0; display: flex; }
.cr-arrow { margin-left: auto; color: var(--text-dim); transition: transform 0.2s; }
.contact-row:hover .cr-arrow { transform: translateX(3px); color: var(--accent); }

/* =====================================================
   Footer
===================================================== */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 1.75rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-logo { font-size: 0.85rem; color: var(--accent); }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-hint { font-size: 0.72rem; color: var(--text-dim); }

/* =====================================================
   Back to top
===================================================== */
#back-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 40px; height: 40px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
}
#back-top.visible { opacity: 1; pointer-events: all; }
#back-top:hover { border-color: var(--accent); color: var(--accent); }

/* =====================================================
   Terminal Overlay
===================================================== */
#term-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
#term-overlay.open { opacity: 1; pointer-events: all; }
#term-overlay.open #term-window { transform: translateY(0) scale(1); }

#term-window {
  width: 100%;
  max-width: 820px;
  max-height: 84vh;
  background: #080C14;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 100px rgba(0,0,0,0.8), 0 0 0 1px rgba(34,211,238,0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.25s var(--ease);
}

#term-topbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#term-title {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
}
#term-title strong { color: var(--accent); }
#term-close-btn {
  background: none; border: none;
  color: var(--text-muted); cursor: pointer;
  font-size: 0.85rem; padding: 0.1rem 0.3rem;
  border-radius: 3px; transition: color 0.2s;
}
#term-close-btn:hover { color: var(--danger); }

#term-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.25rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  scroll-behavior: smooth;
}
#term-body::-webkit-scrollbar { width: 4px; }
#term-body::-webkit-scrollbar-track { background: transparent; }
#term-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.t2-line { white-space: pre-wrap; word-break: break-word; margin: 0; color: var(--text); }
.t2-line a { text-decoration: underline; text-underline-offset: 2px; }
.t2-accent  { color: var(--accent); }
.t2-green   { color: var(--green); }
.t2-yellow  { color: var(--yellow); }
.t2-red     { color: var(--danger); }
.t2-dim     { color: var(--text-muted); }
.t2-indigo  { color: var(--accent-2); }
.t2-link    { color: var(--accent); }
.t2-link:hover { color: #fff; }
.t2-prompt-line { color: var(--text-muted); }

#term-form-wrapper {
  padding: 0.5rem 0 0.75rem;
  position: sticky;
  bottom: 0;
  background: #080C14;
  border-top: 1px solid var(--border);
  margin-top: 0.25rem;
  padding-top: 0.6rem;
}
#term-form { display: flex; align-items: center; gap: 0.5rem; }
#term-form label { flex-shrink: 0; white-space: nowrap; font-size: 0.82rem; cursor: text; }
#term-input {
  flex: 1;
  background: transparent;
  border: none; outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  caret-color: var(--accent);
  min-width: 0;
}
#term-input::placeholder { color: var(--text-dim); opacity: 0.5; }

/* =====================================================
   Responsive
===================================================== */
@media (max-width: 1024px) {
  .client-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-widget { max-width: 480px; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-block { grid-template-columns: 1fr; gap: 2rem; }
  .impact-divider { display: none; }
  .impact-inner { gap: 1.5rem 2rem; justify-content: center; }
  .client-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 4rem 0; }
  .hero-name { font-size: 3rem; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(8,12,20,0.97);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    gap: 1.25rem;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  .client-grid { grid-template-columns: 1fr; }
  .tl-head { flex-direction: column; gap: 0.5rem; }
  .tl-meta { align-items: flex-start; flex-direction: row; }
  .hero-scroll { display: none; }

  .footer-inner { justify-content: center; text-align: center; }
}