/* ============================================================
   Midnight Aurora · Terminal Edition — design system
   ============================================================ */
:root {
  --bg-0: #070710;
  --bg-1: #0d0d1f;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --magenta: #f472b6;
  --green: #34d399;
  --text: #f4f4f8;
  --muted: #9b9bb0;
  --glass: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--bg-0); }

body {
  font-family: var(--font-body);
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--violet); color: #fff; }

.mono { font-family: var(--font-mono); }

/* ============ 3D canvas + cursor glow ============ */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.cursor-glow {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.10) 0%, rgba(34, 211, 238, 0.05) 40%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.4s;
  opacity: 0;
}

main, .nav, .footer { position: relative; z-index: 2; }

/* ============ Nav ============ */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 10px 22px;
  border-radius: 999px;
  background: rgba(13, 13, 31, 0.55);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 10;
  width: max-content;
  max-width: calc(100vw - 32px);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo span {
  background: linear-gradient(120deg, var(--violet), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links { display: flex; gap: 4px; }

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 0.25s, background 0.25s;
}
.nav-link:hover { color: var(--text); }
.nav-link.is-active {
  color: var(--text);
  background: rgba(139, 92, 246, 0.18);
}

.lang-toggle { display: flex; align-items: center; gap: 2px; }
.lang-divider { color: var(--muted); font-size: 0.75rem; }
.lang-btn {
  background: none;
  border: none;
  color: var(--muted);
  font: 600 0.78rem var(--font-body);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  transition: color 0.2s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.is-active { color: var(--cyan); }

/* ============ Hero ============ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-eyebrow {
  color: var(--green);
  font-size: 0.9rem;
  margin-bottom: 18px;
  opacity: 0.9;
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 7.5rem);
  letter-spacing: -0.04em;
  line-height: 1.02;
  background: linear-gradient(115deg, var(--violet) 0%, var(--cyan) 50%, var(--magenta) 100%);
  background-size: 220% 220%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-pan 9s ease-in-out infinite;
  filter: drop-shadow(0 0 42px rgba(139, 92, 246, 0.35));
}

@keyframes gradient-pan {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-typed {
  margin-top: 22px;
  font-size: clamp(0.9rem, 2.4vw, 1.1rem);
  color: var(--cyan);
  min-height: 1.8em;
}
.typed-prompt { color: var(--magenta); margin-right: 8px; }

.caret {
  display: inline-block;
  width: 9px;
  height: 1.15em;
  margin-left: 3px;
  vertical-align: text-bottom;
  background: var(--cyan);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-headline {
  max-width: 620px;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(0.95rem, 2.1vw, 1.12rem);
}

.hero-chips {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.chip {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, border-color 0.35s;
  cursor: default;
}
.chip:hover { transform: translateY(-3px); }
.chip-violet:hover { border-color: var(--violet); box-shadow: 0 0 28px rgba(139, 92, 246, 0.45); }
.chip-cyan:hover { border-color: var(--cyan); box-shadow: 0 0 28px rgba(34, 211, 238, 0.45); }
.chip-magenta:hover { border-color: var(--magenta); box-shadow: 0 0 28px rgba(244, 114, 182, 0.45); }

.hero-cta { display: flex; gap: 14px; margin-top: 40px; flex-wrap: wrap; justify-content: center; }

.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 999px;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, background 0.35s, border-color 0.35s;
  will-change: transform;
}
.btn.mono { font-family: var(--font-mono); font-weight: 500; font-size: 0.88rem; }
.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--violet), #6d28d9);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover {
  box-shadow: 0 12px 48px rgba(139, 92, 246, 0.55);
  transform: translateY(-2px);
}
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--cyan); transform: translateY(-2px); }

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 1.5px solid var(--glass-border);
  border-radius: 14px;
  display: flex;
  justify-content: center;
}
.scroll-hint span {
  width: 3px;
  height: 8px;
  margin-top: 7px;
  border-radius: 3px;
  background: var(--cyan);
  animation: scroll-bob 1.8s ease-in-out infinite;
}
@keyframes scroll-bob {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60% { transform: translateY(12px); opacity: 0.2; }
}

/* ============ Sections ============ */
.section {
  max-width: 980px;
  margin: 0 auto;
  padding: 110px 24px;
}

.section-head { margin-bottom: 42px; }

.section-eyebrow {
  color: var(--green);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, var(--text) 30%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Stats row */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.stat {
  flex: 1 1 140px;
  padding: 20px 22px;
  border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: transform 0.35s var(--ease-out), border-color 0.35s;
}
.stat:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.4); }

.stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.9rem;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}

/* ============ Terminal window ============ */
.term {
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: rgba(9, 9, 20, 0.78);
  backdrop-filter: blur(14px);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--glass-border);
}

.term-dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.term-title {
  margin-left: 10px;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.term-body { padding: 22px 22px 18px; }

.term-line {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 16px;
}
.term-line:last-child { margin-bottom: 0; margin-top: 18px; }
.term-prompt { color: var(--green); margin-right: 8px; }

.term-caret {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  vertical-align: text-bottom;
  background: var(--green);
  animation: blink 1.1s steps(1) infinite;
}

/* Technical pills */
.pill-grid { display: flex; flex-wrap: wrap; gap: 10px; }

.pill {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s, background 0.35s, color 0.35s;
  cursor: default;
}
.pill:hover {
  transform: translateY(-3px);
  border-color: var(--green);
  background: rgba(52, 211, 153, 0.1);
  color: var(--green);
  box-shadow: 0 8px 28px rgba(52, 211, 153, 0.22);
}

.group-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  margin: 46px 0 20px;
}
.group-title::before { content: ""; }

/* Soft-skill metric cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 560px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  padding: 24px 24px 18px;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 18px 48px rgba(34, 211, 238, 0.14);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 12px;
}
.trend.up { color: var(--green); }

.card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.card p { color: var(--muted); font-size: 0.9rem; flex-grow: 1; }

.spark {
  width: 100%;
  height: 36px;
  margin-top: 16px;
  overflow: visible;
}
.spark polyline {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.85;
}

/* ============ Work — proof-of-work bento grid ============ */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.work-featured { grid-column: 1 / -1; }

.work-card {
  padding: 28px;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 18px 48px rgba(139, 92, 246, 0.14);
}

.work-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.status {
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}
.status-shipped {
  color: var(--green);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.3);
}
.status-wip {
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.work-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}
.work-featured h3 { font-size: 1.6rem; }

.work-desc { color: var(--muted); font-size: 0.92rem; }

.work-metric {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: auto;
}
.metric-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 2.1rem;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metric-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.work-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.work-tag {
  font-size: 0.72rem;
  padding: 5px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--muted);
}

.work-link {
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  width: fit-content;
}
.work-link:hover { text-decoration: underline; }

/* Reserved slots — skeleton shimmer until real case studies land */
.work-placeholder {
  border-style: dashed;
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.02);
}
.work-placeholder:hover {
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: none;
}

.ph-badge {
  color: var(--violet);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.ph-lines {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin: 8px 0;
}
.ph-lines span {
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 25%, rgba(255, 255, 255, 0.11) 50%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 2.4s linear infinite;
}
.ph-lines span:nth-child(1) { width: 82%; }
.ph-lines span:nth-child(2) { width: 64%; }
.ph-lines span:nth-child(3) { width: 73%; }
@keyframes shimmer { to { background-position: -200% 0; } }

.ph-text { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.04em; }

/* ============ Ethics — audit log ============ */
.principles { list-style: none; display: flex; flex-direction: column; gap: 12px; }

.principle {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  border-radius: 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
}
.principle:hover {
  transform: translateX(8px);
  border-color: rgba(52, 211, 153, 0.45);
  box-shadow: 0 12px 40px rgba(52, 211, 153, 0.1);
}

.log-check {
  color: var(--green);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.log-tag {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  padding: 4px 10px;
  border-radius: 6px;
  flex-shrink: 0;
}

.principle p { font-size: 0.98rem; }

/* ============ Contact ============ */
.contact-panel {
  text-align: center;
  padding: 72px 36px;
  border-radius: 28px;
  background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.14), transparent 65%), var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 560px;
  margin: 14px auto 36px;
}

.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============ Footer ============ */
.footer {
  text-align: center;
  padding: 32px 24px 40px;
  border-top: 1px solid var(--glass-border);
}

.footer-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.footer-sep { opacity: 0.5; }

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.8);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ============ Scroll reveal (hidden only when JS is running) ============ */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ============ Responsive ============ */
@media (max-width: 640px) {
  .nav { gap: 6px; padding: 8px 10px; }
  .nav-links { gap: 0; }
  .nav-link { padding: 5px 5px; font-size: 0.7rem; }
  .nav-logo { font-size: 1rem; }
  .lang-divider { display: none; }
  .lang-btn { padding: 3px 4px; font-size: 0.72rem; }
  .principle { flex-wrap: wrap; gap: 10px 14px; padding: 18px; }
  .work-grid { grid-template-columns: 1fr; }
  .term-body { padding: 16px 14px 14px; }
  .cursor-glow { display: none; }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-name { animation: none; }
  .scroll-hint span, .caret, .term-caret, .status-dot { animation: none; }
  .ph-lines span { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}