/* ===========================================
   TOKENS
=========================================== */
:root {
  --bg: #0A0E14;
  --bg-panel: #11161F;
  --bg-panel-raised: #161D29;
  --border: rgba(94, 234, 212, 0.12);
  --border-strong: rgba(94, 234, 212, 0.28);

  --text-primary: #E4E7EB;
  --text-secondary: #8590A6;
  --text-tertiary: #525B6E;

  --accent: #5EEAD4;
  --accent-dim: rgba(94, 234, 212, 0.5);
  --accent-glow: rgba(94, 234, 212, 0.18);

  --amber: #F0A868;
  --amber-glow: rgba(240, 168, 104, 0.18);

  --font-display: 'Space Mono', monospace;
  --font-body: 'Inter', sans-serif;

  --max-width: 1180px;
  --section-pad: clamp(80px, 12vh, 140px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
p { margin: 0 0 1em 0; }
h1, h2, h3 { margin: 0; }

::selection { background: var(--accent-glow); color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===========================================
   BACKGROUND ATMOSPHERE
=========================================== */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(94, 234, 212, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 75%);
  pointer-events: none;
}

.bg-scanline {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(94,234,212,0.03) 50%, transparent 100%);
  height: 200px;
  animation: scan 9s linear infinite;
  opacity: 0.6;
}

@keyframes scan {
  0% { transform: translateY(-200px); }
  100% { transform: translateY(100vh); }
}

/* ===========================================
   STATUS RAIL (desktop nav)
=========================================== */
.status-rail {
  position: fixed;
  left: 36px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.rail-line {
  display: none;
}

.rail-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s var(--ease);
}

.rail-item:hover { opacity: 0.85; }

.rail-item.active { opacity: 1; }

.rail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
}

.rail-item.active .rail-dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow), 0 0 0 3px var(--accent-glow);
}

.rail-label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  white-space: nowrap;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width 0.35s var(--ease), opacity 0.25s var(--ease);
}

.status-rail:hover .rail-label,
.rail-item.active .rail-label {
  max-width: 140px;
  opacity: 1;
}

.rail-item.active .rail-label { color: var(--accent); }

.rail-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.rail-status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (max-width: 900px) {
  .status-rail { display: none; }
}

/* ===========================================
   TOP BAR (mobile)
=========================================== */
.topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-mark {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--accent);
  font-weight: 700;
}

.cursor-blink {
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.menu-toggle {
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  width: 38px;
  height: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
}

.menu-toggle span {
  width: 16px;
  height: 1.5px;
  background: var(--accent);
  transition: all 0.25s var(--ease);
}

.menu-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 55;
  background: rgba(10, 14, 20, 0.97);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  transform: translateY(-100%);
  transition: transform 0.4s var(--ease);
}

.mobile-menu.open { transform: translateY(0); }

.mobile-link {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.mobile-link:hover { color: var(--accent); }

@media (max-width: 900px) {
  .topbar { display: flex; }
}

/* ===========================================
   LAYOUT / SECTIONS
=========================================== */
.section {
  position: relative;
  z-index: 1;
  padding: var(--section-pad) 24px;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 96px;
}

@media (max-width: 900px) {
  .section-inner { padding-left: 0; padding-top: 60px; }
}

.section-tag {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.section-lede {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 48px;
}

/* ===========================================
   HERO
=========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 0;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 96px;
  width: 100%;
}

@media (max-width: 900px) {
  .hero-inner { padding-left: 0; }
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}

.type-line {
  display: block;
  white-space: pre-wrap;
}

.type-line.accent { color: var(--accent); }

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.scroll-cue {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
}

.scroll-cue-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: scroll-cue-pulse 2s ease-in-out infinite;
}

@keyframes scroll-cue-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.6; }
  50% { transform: scaleY(1.3); opacity: 1; }
}

/* ===========================================
   FADE-UP (load animation, hero only)
=========================================== */
.fade-up {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s var(--ease) forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ===========================================
   SCROLL REVEAL
=========================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================================
   BUTTONS
=========================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.04em;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
  border: 1px solid transparent;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: #06121A;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px var(--accent-glow), 0 0 0 1px var(--accent-dim);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -8px var(--accent-glow);
}

.btn-large { padding: 16px 30px; font-size: 14px; }

.btn-arrow {
  transition: transform 0.3s var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ===========================================
   ABOUT
=========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  margin-bottom: 48px;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

.about-text p {
  font-size: 16px;
  color: var(--text-secondary);
}

.about-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  transition: border-color 0.3s var(--ease);
}

.panel:hover { border-color: var(--border-strong); }

.panel-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.panel-text {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.panel-text:last-child { margin-bottom: 0; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(94, 234, 212, 0.06);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.cert-list li {
  font-size: 14.5px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.cert-list li:last-child { border-bottom: none; }

.cert-list li.cert-new {
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cert-badge {
  font-family: var(--font-display);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--amber-glow);
  color: var(--amber);
  flex-shrink: 0;
  animation: pulse-dot 2.2s ease-in-out infinite;
}

.beyond {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
}

/* ===========================================
   PIVOT SECTION
=========================================== */
.pivot-section {
  background: linear-gradient(180deg, transparent, rgba(94, 234, 212, 0.025), transparent);
}

.pivot-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}

@media (max-width: 900px) {
  .pivot-grid { grid-template-columns: 1fr; gap: 32px; }
}

.pivot-text p {
  font-size: 16px;
  color: var(--text-secondary);
}

.status-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 0 40px -20px var(--accent-glow);
}

.status-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 18px;
}

.status-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
  animation: pulse-dot 1.6s ease-in-out infinite;
}

.status-card-main {
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.status-bar-track {
  height: 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}

.status-bar-fill {
  height: 100%;
  width: 38%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--amber), var(--accent));
  animation: grow-bar 1.6s var(--ease) forwards;
  transform-origin: left;
}

@keyframes grow-bar {
  from { width: 0%; }
  to { width: 38%; }
}

.pivot-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

@media (max-width: 1000px) {
  .pivot-pillars { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .pivot-pillars { grid-template-columns: 1fr; }
}

.pillar {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 20px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.pillar:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 12px 32px -16px var(--accent-glow);
}

.pillar-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
  background: var(--amber-glow);
  color: var(--amber);
}

.pivot-pillars .pillar:nth-child(3) .pillar-tag,
.pivot-pillars .pillar:nth-child(4) .pillar-tag {
  background: var(--accent-glow);
  color: var(--accent);
}

.pillar h3 {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.pillar p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ===========================================
   DATA & ANALYTICS SECTION
=========================================== */
.data-section {
  background: linear-gradient(180deg, transparent, rgba(240, 168, 104, 0.025), transparent);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 32px;
}

@media (max-width: 1000px) {
  .data-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .data-grid { grid-template-columns: 1fr; }
}

.data-tag {
  background: var(--accent-glow);
  color: var(--accent);
}

.data-callout {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 0 40px -24px var(--accent-glow);
}

.data-callout .status-pulse {
  margin-top: 5px;
  flex-shrink: 0;
}

.data-callout p {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin: 0;
}

/* ===========================================
   STACK
=========================================== */
.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.stack-chip {
  font-family: var(--font-display);
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-primary);
  transition: all 0.25s var(--ease);
}

.stack-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.stack-chip.learning {
  border-color: var(--amber-glow);
  background: var(--amber-glow);
  color: var(--amber);
}

.stack-note {
  font-size: 13px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber-glow);
  border: 1px solid var(--amber);
  display: inline-block;
}

/* ===========================================
   PROJECTS
=========================================== */
.project-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 800px) {
  .project-list { grid-template-columns: 1fr; }
}

.project-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 28px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px -20px var(--accent-glow);
}

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.project-kicker {
  font-family: var(--font-display);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.project-status {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 20px;
}

.status-live {
  background: rgba(94, 234, 212, 0.1);
  color: var(--accent);
}

.status-progress {
  background: var(--amber-glow);
  color: var(--amber);
}

.project-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.project-org {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-top: -6px;
  margin-bottom: 14px;
}

.project-card p {
  font-size: 14.5px;
  color: var(--text-secondary);
}

.project-note {
  font-size: 12.5px;
  color: var(--text-tertiary);
  margin: 0;
  font-style: italic;
}

.current-role-card {
  border-color: var(--amber-glow);
}

.current-role-card:hover {
  border-color: var(--amber);
  box-shadow: 0 16px 40px -20px var(--amber-glow);
}

.current-role-card .status-live {
  background: var(--amber-glow);
  color: var(--amber);
}

.placeholder-card {
  border-style: dashed;
  border-color: var(--amber-glow);
}

.placeholder-card:hover {
  border-color: var(--amber);
  box-shadow: 0 16px 40px -20px var(--amber-glow);
}

/* ===========================================
   EXPERIENCE TIMELINE
=========================================== */
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 44px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -33px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--bg), 0 0 12px var(--accent-glow);
}

.timeline-marker.current {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px var(--bg), 0 0 14px var(--amber-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

.timeline-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}

.timeline-top .timeline-role { margin-bottom: 0; }

.timeline-current-badge {
  font-family: var(--font-display);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--amber-glow);
  color: var(--amber);
}

.timeline-role {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.timeline-org {
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.timeline-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ===========================================
   CONTACT
=========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-details {
  border-top: 1px solid var(--border);
  padding-top: 4px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.detail-label {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.detail-value {
  font-size: 14.5px;
  color: var(--text-primary);
  text-align: right;
  transition: color 0.25s var(--ease);
}

.contact-details a.detail-value:hover {
  color: var(--accent);
}

.footer {
  max-width: var(--max-width);
  margin: 80px auto 0;
  padding: 28px 24px 0 96px;
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .footer { padding-left: 24px; }
}

.footer p {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--text-tertiary);
  margin: 0;
}