/* ============================================================
   DESIGN SYSTEM v2 — SPACECRAFT ENGINEERING PORTFOLIO
   Aesthetic: Orbital navigation UI · Robotic control systems
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;1,300&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,500;1,8..60,300;1,8..60,400&display=swap');

/* ---- Design Tokens ---- */
:root {
  /* Background — chromatic near-black, layered */
  --bg:            #03080f;
  --bg-2:          #060c16;
  --bg-3:          #040a13;
  --bg-card:       rgba(6, 12, 22, 0.82);
  --bg-card-hover: rgba(8, 16, 30, 0.96);

  /* Text hierarchy */
  --text:          #dce8f0;
  --text-mid:      #8fa8be;
  --text-muted:    #526a82;
  --text-dim:      #2a3d52;

  /* Dual-temperature accent system */
  --cyan:          #00c8e8;
  --cyan-dim:      rgba(0, 200, 232, 0.10);
  --cyan-glow:     rgba(0, 200, 232, 0.22);
  --cyan-glow-hd:  rgba(0, 200, 232, 0.40);

  --amber:         #e8a020;
  --amber-dim:     rgba(232, 160, 32, 0.10);
  --amber-glow:    rgba(232, 160, 32, 0.22);

  /* Structural lines */
  --line:          rgba(0, 200, 232, 0.09);
  --line-mid:      rgba(0, 200, 232, 0.20);
  --line-bright:   rgba(0, 200, 232, 0.45);

  /* Typography */
  --font-hud:   'Barlow Condensed', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
  --font-body:  'Source Serif 4', serif;

  /* Layout */
  --header-h:    74px;
  --max-w:       1160px;
  --gap-section: 128px;

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast:    0.18s;
  --t-mid:     0.32s;
  --t-slow:    0.6s;

  --radius-sm: 3px;
  --radius:    5px;
  --radius-lg: 10px;
  --radius-xl: 16px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: crosshair;
}

a { color: inherit; text-decoration: none; cursor: crosshair; }
img { max-width: 100%; display: block; }
button { cursor: crosshair; font-family: var(--font-hud); border: none; background: none; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--line-bright); border-radius: 2px; }

/* ============================================================
   BACKGROUND LAYERS
   ============================================================ */
#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Deep-space atmosphere */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%,   rgba(0, 55, 88, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 15% 50%,  rgba(0, 35, 65, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 85% 100%, rgba(0, 28, 52, 0.12) 0%, transparent 60%);
}

/* Noise grain */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* Orbital arc overlay — injected by JS */
#orbital-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  z-index: 1;
  padding: var(--gap-section) 0;
}

/* ============================================================
   SECTION HEADER — HUD numbered labels
   ============================================================ */
.section-header { margin-bottom: 64px; }

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.section-index {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.5;
}

.section-title {
  font-family: var(--font-hud);
  font-size: clamp(30px, 4.5vw, 50px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
}

.section-intro {
  max-width: 760px;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-mid);
  margin-top: -28px;
  margin-bottom: 40px;
}

/* ============================================================
   SECTION DIVIDERS — dual-rule with breathing room
   ============================================================ */
.section-divider {
  position: relative;
  z-index: 1;
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    var(--line-mid) 15%,
    var(--line-mid) 85%,
    transparent 100%);
  overflow: visible;
}
.section-divider::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 25%;
  right: 25%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--line) 30%, var(--line) 70%, transparent);
}

/* ============================================================
   HEADER
   ============================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: transform var(--t-slow) var(--ease-out), background var(--t-mid) ease;
}
#site-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent 0%, var(--line-mid) 15%, var(--line-mid) 85%, transparent 100%);
  opacity: 0;
  transition: opacity var(--t-mid) ease;
}
#site-header.scrolled {
  background: rgba(3, 8, 15, 0.92);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
}
#site-header.scrolled::after { opacity: 1; }
#site-header.hidden { transform: translateY(-100%); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* Logo with bracket corners */
.header-initials {
  font-family: var(--font-hud);
  font-size: 27px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  position: relative;
  padding: 5px 10px;
  display: inline-block;
}
.header-initials .accent { color: var(--cyan); }
.header-initials::before,
.header-initials::after {
  content: '';
  position: absolute;
  width: 7px; height: 7px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.45;
  transition: opacity var(--t-mid) ease;
}
.header-initials::before { top: 0; left: 0; border-width: 1px 0 0 1px; }
.header-initials::after  { bottom: 0; right: 0; border-width: 0 1px 1px 0; }
.header-initials:hover::before,
.header-initials:hover::after { opacity: 1; }

.header-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.header-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--t-fast) ease, background var(--t-fast) ease;
}
.header-nav a:hover,
.header-nav a.is-active,
.header-nav a[aria-current='page'] {
  color: var(--cyan);
  background: var(--cyan-dim);
}

.header-linkedin {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--line-mid);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  margin-left: 12px;
  transition: border-color var(--t-fast) ease, background var(--t-fast) ease;
}
.header-linkedin:hover {
  background: var(--cyan-dim);
  border-color: var(--line-bright);
}

.card:focus-visible,
.showcase-card:focus-visible,
.achievement-card:focus-visible,
.link-card:focus-visible,
.exp-item:focus-visible {
  outline: none;
  border-color: var(--line-bright);
  box-shadow: 0 0 0 2px var(--cyan-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}
.hamburger span {
  display: block; width: 20px; height: 1px;
  background: var(--text-mid);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ============================================================
   MOBILE NAV
   ============================================================ */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(3, 8, 15, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.mobile-nav.open { opacity: 1; pointer-events: all; display: flex; }
.mobile-nav a {
  font-family: var(--font-hud);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color var(--t-fast) ease;
}
.mobile-nav a:hover { color: var(--cyan); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 96px;
  align-items: center;
  width: 100%;
}

.hero-system-id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: anim-up 0.9s 0.2s var(--ease-out) forwards;
}
.hero-system-id::before {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background: var(--cyan);
  opacity: 0.5;
}
.hero-system-id .id-amber { color: var(--amber); opacity: 0.8; }

.hero-name {
  font-family: var(--font-hud);
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
  opacity: 0;
  animation: anim-up 0.9s 0.35s var(--ease-out) forwards;
}

.hero-title {
  font-family: var(--font-hud);
  font-size: clamp(13px, 1.7vw, 18px);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
  opacity: 0;
  animation: anim-up 0.9s 0.5s var(--ease-out) forwards;
}
.hero-title .hl { color: var(--cyan); }

.hero-intro {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-mid);
  max-width: 500px;
  margin-bottom: 44px;
  opacity: 0;
  animation: anim-up 0.9s 0.65s var(--ease-out) forwards;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  opacity: 0;
  animation: anim-up 0.9s 0.8s var(--ease-out) forwards;
}

/* Image side */
.hero-image-wrap {
  position: relative;
  opacity: 0;
  animation: anim-fade 1.2s 0.6s ease forwards;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-2);
  border: 1px solid var(--line);
}

/* HUD bracket corners on image */
.hud-bracket {
  position: absolute;
  width: 20px; height: 20px;
  z-index: 3;
  pointer-events: none;
}
.hud-bracket.tl { top: -1px; left: -1px; border-top: 1.5px solid var(--cyan); border-left: 1.5px solid var(--cyan); }
.hud-bracket.tr { top: -1px; right: -1px; border-top: 1.5px solid var(--cyan); border-right: 1.5px solid var(--cyan); }
.hud-bracket.bl { bottom: -1px; left: -1px; border-bottom: 1.5px solid var(--cyan); border-left: 1.5px solid var(--cyan); }
.hud-bracket.br { bottom: -1px; right: -1px; border-bottom: 1.5px solid var(--cyan); border-right: 1.5px solid var(--cyan); }

.hero-image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 50%, rgba(3, 8, 15, 0.65) 100%),
    linear-gradient(135deg, rgba(0, 200, 232, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.hero-image-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.8) contrast(1.05);
}

.hero-image-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* Side telemetry — vertical text readout */
.hero-telemetry {
  position: absolute;
  right: -52px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: center;
}
.hero-telem-item {
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.hero-telem-item .val { color: var(--amber); display: block; margin-top: 5px; }

/* Status badge */
.hero-status {
  position: absolute;
  bottom: -16px;
  left: 20px;
  background: var(--bg-2);
  border: 1px solid var(--line-mid);
  border-radius: var(--radius);
  padding: 12px 18px;
  z-index: 3;
}
.hero-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.hero-status-row:last-child { margin-bottom: 0; }
.status-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 5px var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}
.status-dot.amber {
  background: var(--amber);
  box-shadow: 0 0 5px var(--amber);
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Orbital rings */
.orbital-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--line);
  pointer-events: none;
  animation: spin-orbit 30s linear infinite;
}
.orbital-ring::after {
  content: '';
  position: absolute;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  top: -2.5px; left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 8px var(--cyan-glow);
}
.orbital-1 {
  width: 520px; height: 520px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.orbital-2 {
  width: 650px; height: 650px;
  top: 50%; left: 50%;
  animation-direction: reverse;
  animation-duration: 46s;
  opacity: 0.35;
}
.orbital-2::after { background: var(--amber); box-shadow: 0 0 8px var(--amber-glow); }
@keyframes spin-orbit {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-hud);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
}
.btn-primary:hover {
  background: #22d8f0;
  box-shadow: 0 0 24px var(--cyan-glow-hd);
}

.btn-outline {
  border: 1px solid var(--line-mid);
  color: var(--text-mid);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--line-bright);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.btn-ghost {
  color: var(--text-muted);
  background: transparent;
  padding: 11px 14px;
}
.btn-ghost:hover {
  color: var(--cyan);
  background: var(--cyan-dim);
}

/* ============================================================
   CARDS — HUD bracket corners
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--t-mid) ease, background var(--t-mid) ease;
  cursor: crosshair;
  position: relative;
}
/* Bracket corners */
.card::before,
.card::after {
  content: '';
  position: absolute;
  width: 11px; height: 11px;
  border-color: var(--line-mid);
  border-style: solid;
  transition: border-color var(--t-mid) ease;
  pointer-events: none;
}
.card::before { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.card::after  { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }
.card:hover { border-color: var(--line-bright); background: var(--bg-card-hover); }
.card:hover::before,
.card:hover::after { border-color: var(--cyan); }

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: var(--cyan-dim);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cyan);
}
.card-arrow {
  color: var(--text-dim);
  transition: color var(--t-fast) ease, transform var(--t-mid) var(--ease-out);
  flex-shrink: 0;
}
.card:hover .card-arrow { color: var(--cyan); transform: translate(3px, -3px); }

.card-title {
  font-family: var(--font-hud);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 8px;
  transition: color var(--t-fast) ease;
}
.card:hover .card-title { color: var(--cyan); }

.card-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.8;
}
.card-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 96px;
  align-items: start;
}
.about-text p {
  font-size: 17px;
  font-weight: 300;
  color: var(--text-mid);
  line-height: 1.85;
  margin-bottom: 22px;
}
.about-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 36px;
}
.trait-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) ease;
}
.trait-tag:hover {
  border-color: var(--line-mid);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.about-sidebar { display: flex; flex-direction: column; gap: 10px; }
.about-stat {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-mid) ease;
}
.about-stat:hover { border-color: var(--line-mid); }
.about-stat::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(to right, var(--cyan), transparent);
  opacity: 0.3;
}
.about-stat .stat-num {
  font-family: var(--font-hud);
  font-size: 38px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 5px;
  letter-spacing: -0.02em;
}
.about-stat .stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ============================================================
   EXPERIENCE TIMELINE
   ============================================================ */
.exp-timeline {
  position: relative;
  padding-left: 40px;
  max-width: 800px;
}
.exp-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 7px; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan) 0%, rgba(0,200,232,0.06) 100%);
}
.exp-item {
  position: relative;
  margin-bottom: 56px;
  cursor: crosshair;
  padding-left: 8px;
}
.exp-item:last-child { margin-bottom: 0; }
.exp-item::before {
  content: '';
  position: absolute;
  left: -44px; top: 7px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1.5px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,200,232,0.07);
  transition: background var(--t-mid) ease, box-shadow var(--t-mid) ease;
}
.exp-item:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(0,200,232,0.10), 0 0 10px var(--cyan-glow);
}
.exp-date {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.exp-role {
  font-family: var(--font-hud);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 4px;
  transition: color var(--t-fast) ease;
}
.exp-item:hover .exp-role { color: var(--cyan); }
.exp-org {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
  opacity: 0.8;
}
.exp-desc {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ============================================================
   EDUCATION
   ============================================================ */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

/* ============================================================
   ACHIEVEMENTS
   ============================================================ */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color var(--t-mid) ease, background var(--t-mid) ease;
  cursor: crosshair;
  position: relative;
  overflow: hidden;
}
.achievement-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--t-mid) ease;
}
.achievement-card:hover { border-color: var(--line-mid); background: var(--bg-card-hover); }
.achievement-card:hover::before { opacity: 1; }

.achievement-icon { font-size: 22px; flex-shrink: 0; line-height: 1; }
.achievement-title {
  font-family: var(--font-hud);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 5px;
  transition: color var(--t-fast) ease;
}
.achievement-card:hover .achievement-title { color: var(--cyan); }
.achievement-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================================
   SHOWCASE
   ============================================================ */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: crosshair;
  transition: border-color var(--t-mid) ease, background var(--t-mid) ease;
  display: flex;
  flex-direction: column;
  position: relative;
}
/* Top-right bracket */
.showcase-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 26px; height: 26px;
  border-top: 1px solid var(--line-mid);
  border-right: 1px solid var(--line-mid);
  border-radius: 0 var(--radius-lg) 0 0;
  z-index: 2;
  pointer-events: none;
  transition: border-color var(--t-mid) ease;
}
.showcase-card:hover { border-color: var(--line-bright); background: var(--bg-card-hover); }
.showcase-card:hover::before { border-color: var(--cyan); }

/* Thumbnail */
.showcase-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-3);
  overflow: hidden;
  position: relative;
}
.thumb-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,232,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,232,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.thumb-crosshair {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.thumb-crosshair::before,
.thumb-crosshair::after {
  content: '';
  position: absolute;
  background: var(--line-mid);
}
.thumb-crosshair::before { width: 1px; height: 28%; }
.thumb-crosshair::after  { width: 28%; height: 1px; }

.showcase-thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  z-index: 1;
}
.showcase-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out), filter 0.5s ease;
  filter: saturate(0.7);
}
.showcase-card:hover img { transform: scale(1.04); filter: saturate(1); }

/* Body */
.showcase-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.showcase-category {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 9px;
  opacity: 0.85;
}
.showcase-title {
  font-family: var(--font-hud);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 9px;
  transition: color var(--t-fast) ease;
}
.showcase-card:hover .showcase-title { color: var(--cyan); }
.showcase-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.showcase-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.showcase-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.showcase-arrow {
  color: var(--text-dim);
  transition: color var(--t-fast) ease, transform var(--t-mid) var(--ease-out);
}
.showcase-card:hover .showcase-arrow { color: var(--cyan); transform: translate(4px, -4px); }

/* ============================================================
   REFLECTION PREVIEW
   ============================================================ */
.reflection-preview {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 60px;
  position: relative;
  overflow: hidden;
}
.reflection-preview::before {
  content: '"';
  position: absolute;
  top: -10px; left: 44px;
  font-family: var(--font-body);
  font-size: 220px;
  line-height: 1;
  font-style: italic;
  color: var(--cyan);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}
.reflection-preview::after {
  content: '';
  position: absolute;
  top: 0; left: 60px; right: 60px;
  height: 1px;
  background: linear-gradient(to right, var(--cyan), transparent);
  opacity: 0.25;
}
.reflection-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 22px;
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 8px;
}
.reflection-label::before { content: 'â–º'; font-size: 8px; opacity: 0.6; }
.reflection-quote {
  font-family: var(--font-body);
  font-style: italic;
  font-size: clamp(17px, 2.2vw, 23px);
  font-weight: 300;
  line-height: 1.78;
  color: var(--text);
  max-width: 680px;
  margin-bottom: 36px;
}

/* ============================================================
   PROFESSIONAL LINKS
   ============================================================ */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}
.link-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color var(--t-mid) ease, background var(--t-mid) ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.link-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--t-mid) ease;
}
.link-card:hover { border-color: var(--line-mid); background: var(--bg-card-hover); }
.link-card:hover::after { opacity: 0.35; }

.link-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: var(--cyan-dim);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cyan);
}
.link-card-label {
  font-family: var(--font-hud);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 2px;
}
.link-card-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  position: relative;
  z-index: 1;
  background: var(--bg-2);
  padding: 64px 0 44px;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent 0%, var(--line-mid) 15%, var(--line-mid) 85%, transparent 100%);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
}
.footer-logo {
  font-family: var(--font-hud);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}
.footer-logo span { color: var(--cyan); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--t-fast) ease, background var(--t-fast) ease;
}
.footer-links a:hover { color: var(--cyan); background: var(--cyan-dim); }
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 34px; height: 34px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--t-fast) ease;
}
.footer-social a:hover { color: var(--cyan); border-color: var(--line-mid); background: var(--cyan-dim); }
.footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes anim-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes anim-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   DETAIL / INNER PAGES
   ============================================================ */
.page-hero {
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
  margin-bottom: 80px;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(to right, var(--cyan), transparent 55%);
  opacity: 0.22;
}
.page-breadcrumb {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-breadcrumb a { color: var(--cyan); transition: color var(--t-fast) ease; }
.page-breadcrumb a:hover { color: var(--text); }
.page-title {
  font-family: var(--font-hud);
  font-size: clamp(28px, 5vw, 58px);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
}
.page-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 28px;
  text-transform: uppercase;
  opacity: 0.85;
}
.page-intro {
  font-size: 17px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 640px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
  position: relative;
  z-index: 1;
  padding-bottom: 120px;
}
.detail-content h2 {
  font-family: var(--font-hud);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  margin: 48px 0 18px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  width: fit-content;
}
.detail-content h2::before { content: 'â–¸'; color: var(--cyan); font-size: 11px; opacity: 0.7; }
.detail-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--cyan), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease-out);
}
.detail-content h2:hover::after { transform: scaleX(1); }
.detail-content h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.detail-content p {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 20px;
}
.detail-content ul { list-style: none; margin-bottom: 20px; }
.detail-content ul li {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.75;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}
.detail-content ul li::before { content: '—'; position: absolute; left: 0; color: var(--cyan); opacity: 0.6; }

.detail-placeholder-box {
  background: var(--bg-card);
  border: 1px dashed var(--line-mid);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
}
.detail-sidebar { position: sticky; top: calc(var(--header-h) + 24px); display: flex; flex-direction: column; gap: 10px; }
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}
.sidebar-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.sidebar-card-value {
  font-family: var(--font-hud);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

/* ============================================================
   REFLECTION PAGE
   ============================================================ */
.reflection-layout {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 120px;
  position: relative;
  z-index: 1;
}
.reflection-section-title {
  font-family: var(--font-hud);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text);
  margin: 72px 0 28px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  width: fit-content;
}
.reflection-section-title:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.reflection-section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--cyan), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-mid) var(--ease-out);
}
.reflection-section-title:hover::after { transform: scaleX(1); }
.reflection-body p {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 26px;
}
.reflection-body strong { color: var(--text); font-weight: 500; }
.reflection-pull-quote {
  border-left: 2px solid var(--cyan);
  padding: 22px 30px;
  margin: 44px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.reflection-pull-quote::before {
  content: '// NOTE';
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  opacity: 0.6;
  margin-bottom: 12px;
}
.reflection-pull-quote p {
  font-style: italic;
  font-size: 19px;
  color: var(--text) !important;
  margin: 0 !important;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 72px; }
  .hero-image-wrap { order: -1; max-width: 320px; margin: 0 auto; }
  .hero-telemetry { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
  .orbital-1, .orbital-2 { display: none; }
}
@media (max-width: 768px) {
  :root { --gap-section: 88px; }
  .container { padding: 0 24px; }
  .header-inner { padding: 0 24px; }
  .header-nav, .header-linkedin { display: none; }
  .hamburger { display: flex; }
  .section-header { margin-bottom: 44px; }
  .section-intro { margin-top: -18px; margin-bottom: 32px; }
  .reflection-preview { padding: 36px 28px; }
  .hero-status { display: none; }
}
@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .achievements-grid, .edu-grid { grid-template-columns: 1fr; }
}

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