/* ============================================================
   Muhammad Azhar — AI Engineer Portfolio
   Aesthetic: deep ink + electric cyan/violet, terminal accents
   ============================================================ */

:root {
  --bg: #050714;
  --bg-2: #0a0f25;
  --panel: rgba(255, 255, 255, 0.025);
  --panel-2: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --text: #e9ecf5;
  --text-2: #c4cad8;
  --muted: #7e88a3;
  --dim: #6b7491;
  --cyan: #57bdda;
  --violet: #9f86e0;
  --mint: #62cdba;
  --amber: #d9a566;
  --rose: #df7184;
  --grad: linear-gradient(135deg, #57bdda 0%, #9f86e0 100%);
  --grad-2: linear-gradient(135deg, #62cdba 0%, #57bdda 100%);
  --shadow-soft: 0 30px 80px -30px rgba(87, 189, 218, 0.25);

  --fs-display: clamp(48px, 7vw, 112px);
  --fs-h1: clamp(40px, 5.5vw, 80px);
  --fs-h2: clamp(30px, 3.6vw, 52px);
  --fs-h3: clamp(20px, 1.6vw, 26px);
  --fs-body: 16px;
  --fs-mono: 13px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --max-w: 1280px;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

::selection { background: rgba(87, 189, 218, 0.35); color: #fff; }

a { color: inherit; text-decoration: none; }

/* anchor targets land below the fixed nav */
section[id] { scroll-margin-top: 88px; }

/* visible keyboard focus, invisible for mouse */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}
button { font: inherit; background: none; border: 0; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }

.mono { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: var(--fs-mono); letter-spacing: 0.02em; }
.muted { color: var(--muted); }
.dim { color: var(--dim); }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* =========================== Background field =========================== */
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
}
.bg-glow {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(800px 500px at 80% -10%, rgba(159, 134, 224, 0.18), transparent 60%),
    radial-gradient(700px 500px at 0% 30%, rgba(87, 189, 218, 0.14), transparent 60%),
    radial-gradient(900px 600px at 50% 100%, rgba(98, 205, 186, 0.08), transparent 70%);
}
.cursor-glow {
  position: fixed;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(159, 134, 224, 0.10), transparent 60%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.4s var(--ease-out);
  opacity: 0;
  mix-blend-mode: screen;
}
body:hover .cursor-glow { opacity: 1; }

/* =========================== Math equations field =========================== */
.bg-math {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  font-family: "Instrument Serif", "Times New Roman", serif;
  /* fade away from the dense hero-headline area to protect readability */
  mask-image:
    radial-gradient(ellipse 55% 40% at 28% 38%, transparent 0%, transparent 35%, black 80%),
    linear-gradient(black, black);
  -webkit-mask-image:
    radial-gradient(ellipse 55% 40% at 28% 38%, transparent 0%, transparent 35%, black 80%),
    linear-gradient(black, black);
  mask-composite: intersect;
  -webkit-mask-composite: source-in;
}
.bg-math .eq {
  position: absolute;
  font-style: italic;
  white-space: nowrap;
  color: var(--text);
  opacity: 0.055;
  letter-spacing: 0.01em;
  font-weight: 400;
  text-shadow: 0 0 30px rgba(87,189,218,0.15);
  will-change: transform, opacity;
  animation: eq-drift 90s linear infinite;
}
.bg-math .eq i { font-style: italic; }
.bg-math .eq sub, .bg-math .eq sup { font-size: 0.7em; opacity: 0.85; }

/* tinting a few for color variation */
.bg-math .eq-2,
.bg-math .eq-6,
.bg-math .eq-11 { color: var(--cyan); opacity: 0.05; }
.bg-math .eq-4,
.bg-math .eq-7,
.bg-math .eq-14 { color: var(--violet); opacity: 0.05; }
.bg-math .eq-5,
.bg-math .eq-12 { color: var(--mint); opacity: 0.045; }

/* positions, sizes, drift offsets — distributed across viewport */
.bg-math .eq-1  { top:  6%;  left:  3%;  font-size: 36px; animation-duration: 110s; animation-delay:  -8s; }
.bg-math .eq-2  { top: 11%;  right: 5%;  font-size: 28px; animation-duration:  95s; animation-delay: -22s; }
.bg-math .eq-3  { top: 22%;  left: 64%;  font-size: 44px; animation-duration: 130s; animation-delay: -45s; }
.bg-math .eq-4  { top: 32%;  left:  4%;  font-size: 32px; animation-duration: 120s; animation-delay: -12s; }
.bg-math .eq-5  { top: 40%;  right: 8%;  font-size: 38px; animation-duration: 105s; animation-delay: -60s; }
.bg-math .eq-6  { top: 48%;  left: 40%;  font-size: 26px; animation-duration:  88s; animation-delay: -30s; }
.bg-math .eq-7  { top: 56%;  left:  5%;  font-size: 40px; animation-duration: 140s; animation-delay: -18s; }
.bg-math .eq-8  { top: 62%;  right: 12%; font-size: 30px; animation-duration:  92s; animation-delay: -70s; }
.bg-math .eq-9  { top: 70%;  left: 50%;  font-size: 34px; animation-duration: 115s; animation-delay: -40s; }
.bg-math .eq-10 { top: 76%;  right: 3%;  font-size: 28px; animation-duration: 100s; animation-delay: -55s; }
.bg-math .eq-11 { top: 82%;  left:  7%;  font-size: 32px; animation-duration: 125s; animation-delay: -25s; }
.bg-math .eq-12 { top: 87%;  right: 30%; font-size: 36px; animation-duration:  98s; animation-delay: -10s; }
.bg-math .eq-13 { top: 92%;  left: 22%;  font-size: 28px; animation-duration: 118s; animation-delay: -50s; }
.bg-math .eq-14 { top: 95%;  right:  6%; font-size: 38px; animation-duration: 108s; animation-delay: -35s; }

@keyframes eq-drift {
  0%   { transform: translate3d(0, 0, 0); }
  50%  { transform: translate3d(-22px, -14px, 0); }
  100% { transform: translate3d(0, 0, 0); }
}

@media (max-width: 760px) {
  .bg-math { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .bg-math .eq { animation: none; }
}

/* =========================== Scroll progress =========================== */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 100;
}

/* =========================== Nav =========================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 0;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: linear-gradient(to bottom, rgba(5,7,20,0.7), rgba(5,7,20,0.3));
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; letter-spacing: -0.01em;
}
.logo-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--grad);
  display: grid; place-items: center;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700; color: #050714;
  font-size: 14px;
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: shine 4s ease-in-out infinite;
}
@keyframes shine { 0%, 60% { transform: translateX(-100%); } 70%, 100% { transform: translateX(100%); } }

.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--cyan); }
.nav-link.active::before {
  content: ""; position: absolute; left: 8px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.nav-link.active { padding-left: 22px; }

.nav-cta {
  padding: 9px 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 13px;
  font-family: "JetBrains Mono", monospace;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s var(--ease-out);
}
.nav-cta:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-1px); }
.nav-cta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px var(--mint);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: rgba(10, 15, 37, 0.6);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 5px;
  flex-shrink: 0;
  transition: border-color 0.2s;
  z-index: 60;
}
.nav-toggle .bar {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
body.menu-open .nav-toggle .bar:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
body.menu-open .nav-toggle .bar:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
body.menu-open .nav-toggle { border-color: var(--cyan); }

/* Mobile menu drawer */
.mobile-menu {
  position: fixed; inset: 0;
  z-index: 49;
  background: rgba(5, 7, 20, 0.85);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  backdrop-filter: blur(20px) saturate(140%);
  padding: 96px 24px 40px;
  display: flex; flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out), visibility 0.35s;
  overflow-y: auto;
}
body.menu-open .mobile-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-menu-inner { display: flex; flex-direction: column; gap: 4px; max-width: 480px; width: 100%; margin: 0 auto; }
.m-link {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  opacity: 0;
  transform: translateX(-12px);
}
body.menu-open .m-link { animation: m-link-in 0.5s var(--ease-out) forwards; }
body.menu-open .m-link:nth-child(1) { animation-delay: 0.06s; }
body.menu-open .m-link:nth-child(2) { animation-delay: 0.10s; }
body.menu-open .m-link:nth-child(3) { animation-delay: 0.14s; }
body.menu-open .m-link:nth-child(4) { animation-delay: 0.18s; }
body.menu-open .m-link:nth-child(5) { animation-delay: 0.22s; }
body.menu-open .m-link:nth-child(6) { animation-delay: 0.26s; }
@keyframes m-link-in { to { opacity: 1; transform: translateX(0); } }
.m-link .idx {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--cyan);
  width: 20px;
}
.m-link .m-arrow {
  margin-left: auto;
  font-family: "JetBrains Mono", monospace;
  color: var(--dim);
  transition: transform 0.2s, color 0.2s;
}
.m-link:active .m-arrow, .m-link.active .m-arrow { color: var(--cyan); transform: translateX(4px); }
.m-link.active { color: var(--cyan); }
.m-cta {
  display: inline-flex; align-items: center; gap: 10px;
  align-self: flex-start;
  margin-top: 28px;
  padding: 14px 22px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  color: var(--mint);
}
.m-cta .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--mint); box-shadow: 0 0 8px var(--mint);
  animation: pulse 2s ease-in-out infinite;
}
.m-channels {
  display: flex; gap: 24px; flex-wrap: wrap;
  margin-top: auto; padding-top: 32px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}
.m-channels a { color: var(--muted); }
.m-channels a:active { color: var(--cyan); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
}

/* =========================== Section primitives =========================== */
section { position: relative; z-index: 1; }

.section-pad { padding: 140px 0; }
@media (max-width: 768px) { .section-pad { padding: 80px 0; } }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 40px; margin-bottom: 64px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.section-head h2 {
  font-size: var(--fs-h2);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1;
}
.section-head .gradient { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
}
.section-tag .square { width: 8px; height: 8px; background: var(--cyan); }
.section-meta { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--dim); white-space: nowrap; }

/* =========================== HERO =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 130px 0 100px;
  display: flex; align-items: center;
  overflow: hidden;
  isolation: isolate;
}

#hero-bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: -1;
  opacity: 0.7;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 40%, transparent 95%);
}

.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(159,134,224,0.15), transparent 45%),
    radial-gradient(circle at 10% 80%, rgba(87,189,218,0.12), transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Big floating orb behind headline */
.hero-orb {
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(159,134,224,0.45), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(87,189,218,0.4), transparent 55%);
  filter: blur(60px);
  top: 20%; left: 35%;
  transform: translate(-50%, -50%);
  z-index: -1;
  opacity: 0.45;
  animation: orb-drift 18s ease-in-out infinite;
  pointer-events: none;
}
@keyframes orb-drift {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  33% { transform: translate(-40%, -55%) scale(1.1); }
  66% { transform: translate(-55%, -45%) scale(0.95); }
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; align-items: center; }
}

.hero-status {
  display: inline-flex; align-items: center; gap: 12px;
  align-self: flex-start;
  padding: 8px 14px 8px 8px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(10, 15, 37, 0.6);
  backdrop-filter: blur(8px);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 28px;
}
.hero-status .avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  font-weight: 700; color: var(--bg);
  font-size: 11px;
}
.hero-status .ring { margin-left: 4px; }
.hero-status .sep { color: var(--dim); }
.hero-status .ring {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 var(--mint);
  animation: ring 2.4s ease-out infinite;
}
@keyframes ring {
  0% { box-shadow: 0 0 0 0 rgba(98, 205, 186, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(98, 205, 186, 0); }
  100% { box-shadow: 0 0 0 0 rgba(98, 205, 186, 0); }
}

.hero-name {
  font-size: 14px;
  font-family: "JetBrains Mono", monospace;
  color: var(--cyan);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.hero-headline {
  font-size: clamp(48px, 7.2vw, 108px);
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 0.95;
  margin-bottom: 32px;
  position: relative;
  text-wrap: balance;
}
.hero-headline .line { display: block; overflow: hidden; padding: 0.06em 0; }
.hero-headline .line > span {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 1.05s var(--ease-out) forwards;
}
.hero-headline .line:nth-child(2) > span { animation-delay: 0.12s; }
.hero-headline .line:nth-child(3) > span { animation-delay: 0.24s; }
.hero-headline .line:nth-child(4) > span { animation-delay: 0.36s; }
@keyframes rise { to { transform: translateY(0); } }

.hero-headline em {
  font-family: "Instrument Serif", "Cormorant Garamond", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: 0.08em;
  position: relative;
  background-size: 200% 100%;
  animation: grad-pan 8s ease-in-out infinite;
}
@keyframes grad-pan {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.scramble { display: inline-block; }

.hero-subline {
  display: flex; align-items: center; gap: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 24px;
}
.hero-subline .arrow { color: var(--cyan); }
.typed-cursor {
  display: inline-block;
  width: 9px; height: 17px;
  background: var(--cyan);
  vertical-align: -2px;
  animation: blink 1.05s steps(1) infinite;
  margin-left: 4px;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  color: var(--text-2);
  font-size: 17px;
  line-height: 1.65;
  max-width: 540px;
  margin-bottom: 40px;
  text-wrap: pretty;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 56px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.25s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover { background: var(--cyan); color: var(--bg); transform: translateY(-2px); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}
.btn-primary:hover::after { transform: translateX(100%); }
.btn-ghost {
  border-color: var(--line-2);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--text); background: var(--panel-2); transform: translateY(-2px); }
.btn-arrow { transition: transform 0.25s var(--ease-out); }
.btn:hover .btn-arrow { transform: translate(4px, -4px); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  padding-top: 32px;
  position: relative;
}
.hero-stats::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: 80px; height: 2px;
  background: var(--grad);
}
.hero-stat {
  padding-right: 24px;
  border-right: 1px solid var(--line);
  position: relative;
}
.hero-stat:last-child { border-right: 0; }
.hero-stat .num {
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}
.hero-stat .lbl {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  z-index: 3;
  opacity: 0;
  animation: fade-in 1s var(--ease-out) 2s forwards;
}
.scroll-hint .rail {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, transparent, var(--line-2), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-hint .rail::after {
  content: "";
  position: absolute;
  top: -10px; left: 0;
  width: 1px; height: 10px;
  background: var(--cyan);
  animation: scroll-rail 2.2s var(--ease-out) infinite;
}
@keyframes scroll-rail {
  to { transform: translateY(46px); }
}
@keyframes fade-in { to { opacity: 1; } }
@media (max-width: 1024px) { .scroll-hint { display: none; } }
@media (max-width: 600px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stat:nth-child(2) { border-right: 0; }
  .hero-stat:nth-child(1), .hero-stat:nth-child(2) { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
  .hero-stat:nth-child(3), .hero-stat:nth-child(4) { padding-top: 24px; }
}

/* Hero right column — unified glass console */
.hero-right {
  position: relative;
  width: 100%;
  display: flex; flex-direction: column;
  gap: 16px;
  justify-content: center;
  perspective: 1400px;
}

.console {
  position: relative;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(12, 18, 38, 0.85), rgba(8, 12, 28, 0.75));
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  overflow: hidden;
  box-shadow:
    0 40px 100px -40px rgba(87, 189, 218, 0.4),
    0 0 0 1px rgba(255,255,255,0.02),
    inset 0 1px 0 rgba(255,255,255,0.08);
  display: flex; flex-direction: column;
}
.console::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(87,189,218,0.04) 0%, transparent 40%, rgba(159,134,224,0.04) 100%);
  pointer-events: none;
}

.console-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  position: relative;
}
.console-dots { display: flex; gap: 6px; }
.console-dots span {
  width: 10px; height: 10px; border-radius: 50%;
}
.console-dots span:nth-child(1) { background: #ff5f56; }
.console-dots span:nth-child(2) { background: #ffbd2e; }
.console-dots span:nth-child(3) { background: #27c93f; }
.console-title {
  flex: 1;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}
.console-title b { color: var(--text); font-weight: 500; }
.console-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--mint);
  padding: 3px 8px;
  border: 1px solid rgba(98,205,186,0.3);
  background: rgba(98,205,186,0.08);
  border-radius: 4px;
  letter-spacing: 0.08em;
  display: inline-flex; align-items: center; gap: 6px;
}
.console-tag .pip {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 6px var(--mint);
  animation: pulse 1.4s ease-in-out infinite;
}

/* Metrics strip */
.console-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}
.metric-cell {
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  position: relative;
}
.metric-cell:last-child { border-right: 0; }
.metric-cell .lbl {
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.metric-cell .val {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 4px;
}
.metric-cell .val .unit { font-size: 11px; color: var(--muted); font-weight: 400; }
.metric-cell .val .arrow { font-size: 11px; color: var(--mint); }
.metric-cell .val .arrow.down { color: var(--rose); }
.metric-cell .spark {
  position: absolute;
  bottom: 8px; right: 12px;
  width: 50px; height: 18px;
}
@media (max-width: 480px) {
  .console-metrics { grid-template-columns: repeat(2, 1fr); }
  .metric-cell { border-bottom: 1px solid var(--line); }
  .metric-cell:nth-child(even) { border-right: 0; }
  .metric-cell:nth-last-child(-n+2) { border-bottom: 0; }
}

/* Network panel inside console */
.console-net {
  position: relative;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  flex-shrink: 0;
}
.console-net canvas { width: 100%; height: 100%; display: block; }
.net-label {
  position: absolute;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  z-index: 2;
  pointer-events: none;
}
.net-label.tl { top: 12px; left: 16px; display: inline-flex; align-items: center; gap: 8px; }
.net-label.tr { top: 12px; right: 16px; color: var(--mint); }
.net-label.bl { bottom: 12px; left: 16px; letter-spacing: 0.14em; }
.net-label.br { bottom: 12px; right: 16px; }
.net-label .arch-num { color: var(--cyan); }

/* Terminal log inside console */
.console-log {
  padding: 14px 18px 14px;
  height: 212px;
  flex-shrink: 0;
  overflow: hidden;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.7;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, black 10%, black 100%);
}
.console-log .log-row {
  display: flex; gap: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.console-log .ts { color: var(--dim); flex-shrink: 0; }
.console-log .lvl { width: 32px; flex-shrink: 0; font-weight: 600; }
.console-log .lvl.ok { color: var(--mint); }
.console-log .lvl.warn { color: var(--amber); }
.console-log .lvl.req { color: var(--violet); }
.console-log .lvl.inf { color: var(--cyan); }
.console-log .msg { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; }
.console-log .v { color: var(--cyan); }

/* Status footer bar */
.console-foot {
  display: flex; align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.console-foot .seg {
  display: inline-flex; align-items: center; gap: 6px;
  padding-right: 12px;
  border-right: 1px solid var(--line);
}
.console-foot .seg:last-child { border-right: 0; padding-right: 0; }
.console-foot .seg .lbl { color: var(--dim); }
.console-foot .seg .v { color: var(--text-2); }
.console-foot .seg.ok .v { color: var(--mint); }
.console-foot .grow { flex: 1; }
.console-foot .uptime {
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

/* Floating tech chips */
.hero-chip {
  position: absolute;
  background: rgba(10, 15, 37, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 7px 14px 7px 9px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text-2);
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 24px -10px rgba(0,0,0,0.6);
  z-index: 4;
  white-space: nowrap;
}
.hero-chip .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px currentColor;
  flex-shrink: 0;
}
.hero-chip .dot.violet { background: var(--violet); color: var(--violet); }
.hero-chip .dot.mint { background: var(--mint); color: var(--mint); }
.hero-chip .dot.amber { background: var(--amber); color: var(--amber); }

.hero-chip.chip-1 { top: -14px; left: 6%; animation: float-card 7s ease-in-out infinite; }
.hero-chip.chip-2 { top: -14px; right: 6%; animation: float-card 6s ease-in-out 1s infinite; }
.hero-chip.chip-3 { bottom: -14px; left: 6%; animation: float-card 8s ease-in-out 2s infinite; }
.hero-chip.chip-4 { bottom: -14px; right: 6%; animation: float-card 6.5s ease-in-out 1.5s infinite; }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (max-width: 600px) {
  .hero-chip.chip-1, .hero-chip.chip-4 { display: none; }
}

/* =========================== Marquee =========================== */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
  overflow: hidden;
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.015);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex; gap: 48px;
  white-space: nowrap;
  animation: marquee 50s linear infinite;
  width: max-content;
}
.marquee-item {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-2);
  display: inline-flex; align-items: center; gap: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
  transition: opacity 0.3s;
}
.marquee-item:hover { opacity: 1; color: var(--text); }
.marquee-item img {
  width: 24px; height: 24px;
  object-fit: contain;
}
.marquee-item::after {
  content: "✦";
  margin-left: 40px;
  color: var(--cyan);
  opacity: 0.4;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================== Skills =========================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
@media (max-width: 960px) { .skills-grid { grid-template-columns: 1fr; } }

.skill-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 600px) { .skill-stack { grid-template-columns: 1fr; } }

.skill-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: var(--panel);
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(87,189,218,0.12), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.skill-card:hover { border-color: var(--line-2); }
.skill-card:hover::before { opacity: 1; }

.skill-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.skill-card-head h3 {
  font-size: 17px; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
}
.skill-card-head .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted);
}
.skill-card-head .dot-icon {
  width: 8px; height: 8px;
  background: var(--cyan);
}
.skill-card-head.violet .dot-icon { background: var(--violet); }
.skill-card-head.mint .dot-icon { background: var(--mint); }
.skill-card-head.amber .dot-icon { background: var(--amber); }

.skill-list {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.skill-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-size: 13px;
  color: var(--text-2);
  transition: all 0.2s;
}
.skill-chip:hover { border-color: var(--line-2); background: var(--panel-2); transform: translateY(-2px); }
.skill-chip img {
  width: 16px; height: 16px; object-fit: contain;
  filter: brightness(1.05);
}

/* Skills orbit */
.orbit-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  background: var(--panel);
  position: relative;
  aspect-ratio: 1 / 1.05;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.orbit-card .label-top {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; color: var(--muted);
  display: flex; justify-content: space-between;
  margin-bottom: 4px;
}
.orbit-card .title-mid {
  font-size: 16px; font-weight: 500; color: var(--text);
  margin-bottom: 0;
}
.orbit-stage {
  flex: 1;
  position: relative;
  display: grid; place-items: center;
}
.orbit-core {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  font-family: "JetBrains Mono", monospace;
  font-weight: 700; color: var(--bg);
  font-size: 18px;
  box-shadow: 0 0 40px rgba(159,134,224,0.5), 0 0 80px rgba(87,189,218,0.3);
  position: relative;
  z-index: 2;
}
.orbit-ring {
  position: absolute; top: 50%; left: 50%;
  border: 1px dashed var(--line);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin 30s linear infinite;
}
.orbit-ring.r1 { width: 55%; aspect-ratio: 1; animation-duration: 24s; }
.orbit-ring.r2 { width: 78%; aspect-ratio: 1; animation-duration: 40s; animation-direction: reverse; }
.orbit-ring.r3 { width: 100%; aspect-ratio: 1; animation-duration: 60s; }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.orbit-node {
  position: absolute;
  top: 50%; left: 50%;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(10, 15, 37, 0.9);
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
  transform-origin: 0 0;
  animation: counter-spin 24s linear infinite;
}
.orbit-node img { width: 22px; height: 22px; object-fit: contain; }
.orbit-node.r2 { animation: counter-spin 40s linear infinite reverse; }
.orbit-node.r3 { animation: counter-spin 60s linear infinite; }
@keyframes counter-spin { to { transform: translate(-50%, -50%) rotate(-360deg); } }

/* =========================== Experience =========================== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ""; position: absolute;
  left: 7px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--line) 8%, var(--line) 92%, transparent);
}
.tl-item {
  position: relative;
  padding-bottom: 56px;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -32px; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
}
.tl-dot::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--muted);
}
.tl-item.current .tl-dot { border-color: var(--cyan); }
.tl-item.current .tl-dot::after {
  background: var(--cyan);
  box-shadow: 0 0 0 0 var(--cyan);
  animation: ring 2s ease-out infinite;
}

.tl-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
}
@media (max-width: 800px) { .tl-row { grid-template-columns: 1fr; gap: 12px; } }

.tl-period {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  padding-top: 10px;
}
.tl-period .badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 8px;
  background: rgba(98, 205, 186, 0.1);
  border: 1px solid rgba(98, 205, 186, 0.3);
  border-radius: 999px;
  color: var(--mint);
  margin-top: 8px;
  font-size: 10px;
}
.tl-body {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  background: var(--panel);
  transition: border-color 0.3s, transform 0.3s;
}
.tl-body:hover { border-color: var(--line-2); transform: translateX(4px); }
.tl-body h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 6px; }
.tl-body .company { color: var(--cyan); font-family: "JetBrains Mono", monospace; font-size: 13px; margin-bottom: 16px; }
.tl-body p { color: var(--text-2); margin-bottom: 16px; line-height: 1.6; }
.tl-tech { display: flex; flex-wrap: wrap; gap: 6px; }
.tl-tech span {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* =========================== Projects =========================== */
.projects-stack { display: flex; flex-direction: column; gap: 24px; }

.project-card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  overflow: hidden;
  position: relative;
  transition: border-color 0.4s;
}
.project-card:nth-child(even) { grid-template-columns: 1.1fr 1fr; }
.project-card:nth-child(even) .project-img-wrap { order: 2; }
@media (max-width: 800px) {
  .project-card, .project-card:nth-child(even) { grid-template-columns: 1fr; }
  .project-card:nth-child(even) .project-img-wrap { order: 0; }
}
.project-card:hover { border-color: var(--line-2); }

.project-img-wrap {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(87,189,218,0.08), rgba(159,134,224,0.08));
  min-height: 360px;
}
.project-img-wrap::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad);
  opacity: 0.04;
  z-index: 1;
}
.project-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out), filter 0.6s var(--ease-out);
  filter: grayscale(1) brightness(0.7) contrast(1.05);
}
.project-card:hover .project-img-wrap img {
  transform: scale(1.06);
  filter: grayscale(0) brightness(1) contrast(1.05) saturate(1.05);
}

/* tinted overlay matching each project's category */
.project-img-wrap::after {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, var(--tint-a, rgba(87,189,218,0.55)), var(--tint-b, rgba(159,134,224,0.45)));
  mix-blend-mode: color;
  opacity: 1;
  transition: opacity 0.6s var(--ease-out);
  pointer-events: none;
}
.project-card:hover .project-img-wrap::after { opacity: 0; }

/* per-project tints */
.project-card.tint-cyan    { --tint-a: rgba(87, 189, 218, 0.7);  --tint-b: rgba(46, 134, 222, 0.5); }
.project-card.tint-violet  { --tint-a: rgba(159, 134, 224, 0.7); --tint-b: rgba(120, 90, 220, 0.55); }
.project-card.tint-mint    { --tint-a: rgba(98, 205, 186, 0.65); --tint-b: rgba(87, 189, 218, 0.45); }
.project-cat {
  position: absolute;
  top: 18px; left: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text);
  background: rgba(10, 15, 37, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line-2);
  padding: 6px 12px;
  border-radius: 999px;
  z-index: 2;
}
.project-num {
  position: absolute;
  bottom: 18px; right: 18px;
  font-family: "Instrument Serif", serif;
  font-size: 56px;
  color: rgba(255,255,255,0.12);
  z-index: 2;
  line-height: 1;
}
.project-body {
  padding: 40px;
  display: flex; flex-direction: column;
  justify-content: center;
}
.project-body h3 {
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  line-height: 1.05;
}

/* Outcome metric strip */
.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 22px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.project-metric {
  display: flex; flex-direction: column;
  gap: 2px;
}
.project-metric .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.project-metric .v.gradient {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.project-metric .l {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-body p {
  color: var(--text-2);
  margin-bottom: 14px;
  line-height: 1.6;
}
.project-feature-list {
  list-style: none;
  margin-bottom: 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.project-feature-list li {
  font-size: 14px;
  color: var(--text-2);
  padding-left: 22px;
  position: relative;
}
.project-feature-list li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--cyan);
  font-family: "JetBrains Mono", monospace;
}
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.project-tech span {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--text-2);
  padding: 4px 10px;
  background: rgba(87,189,218,0.06);
  border: 1px solid rgba(87,189,218,0.2);
  border-radius: 6px;
}
.project-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 4px;
  align-self: flex-start;
  transition: gap 0.2s;
}
.project-link:hover { gap: 12px; }
@media (max-width: 800px) {
  .project-body { padding: 28px; }
}

/* =========================== Education =========================== */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .edu-grid { grid-template-columns: 1fr; } }

.edu-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  background: var(--panel);
  position: relative;
  transition: all 0.3s;
}
.edu-card:hover { border-color: var(--line-2); transform: translateY(-4px); }
.edu-card.current::before {
  content: "ACTIVE";
  position: absolute; top: 28px; right: 28px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--mint);
  padding: 3px 8px;
  border: 1px solid rgba(98, 205, 186, 0.3);
  background: rgba(98, 205, 186, 0.08);
  border-radius: 4px;
  letter-spacing: 0.1em;
}
.edu-short {
  font-family: "Instrument Serif", serif;
  font-size: 28px;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.edu-card h3 { font-size: 17px; font-weight: 500; margin-bottom: 8px; line-height: 1.3; }
.edu-card .inst { color: var(--text-2); font-size: 14px; margin-bottom: 16px; }
.edu-card .meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.edu-card .highlight {
  color: var(--amber);
  font-size: 12px;
  margin-top: 4px;
}

/* =========================== Publications =========================== */
.pub-list { display: flex; flex-direction: column; }
.pub-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  align-items: center;
  transition: padding 0.3s;
}
.pub-item:last-child { border-bottom: 1px solid var(--line); }
.pub-item:hover { padding-left: 12px; padding-right: 12px; }
.pub-item .type {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--violet);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.pub-item h3 { font-size: 18px; font-weight: 500; margin-bottom: 6px; line-height: 1.4; }
.pub-item .venue { color: var(--text-2); font-size: 13px; margin-bottom: 4px; }
.pub-item .authors { color: var(--muted); font-size: 12px; }
.pub-item .read {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--cyan);
  white-space: nowrap;
}
.pub-item .read .arrow { display: inline-block; transition: transform 0.2s; }
.pub-item:hover .read .arrow { transform: translateX(4px); }
@media (max-width: 800px) {
  .pub-item { grid-template-columns: 1fr; gap: 8px; }
}

/* =========================== Contact =========================== */
.contact-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 64px;
  background:
    radial-gradient(ellipse at top right, rgba(159,134,224,0.08), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(87,189,218,0.08), transparent 60%),
    var(--panel);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-card::before, .contact-card::after {
  content: "";
  position: absolute;
  width: 200%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.4;
  animation: scan 6s ease-in-out infinite;
}
.contact-card::before { top: 30%; left: -50%; }
.contact-card::after { bottom: 30%; left: -50%; animation-delay: 3s; }
@keyframes scan { 0%, 100% { transform: translateX(-50%); } 50% { transform: translateX(50%); } }

.contact-card .availability {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--mint);
  margin-bottom: 24px;
}
.contact-card .availability .ring {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--mint);
  animation: ring 2s ease-out infinite;
  box-shadow: 0 0 0 0 rgba(98, 205, 186, 0.6);
}
.contact-card h2 {
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
  margin-bottom: 24px;
}
.contact-card h2 em {
  font-family: "Instrument Serif", serif;
  font-style: italic;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.contact-card p {
  color: var(--text-2);
  font-size: 18px;
  max-width: 520px;
  margin: 0 auto 36px;
  text-wrap: pretty;
}
.contact-meta {
  display: flex; flex-wrap: wrap; gap: 36px; justify-content: center;
  margin-bottom: 32px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  position: relative; z-index: 2;
}
.contact-meta .item {
  display: flex; flex-direction: column;
  align-items: center;
  gap: 4px;
}
.contact-meta .item .v {
  color: var(--text);
  font-size: 14px;
  letter-spacing: -0.01em;
}
.contact-meta .item .v.mint { color: var(--mint); }
.contact-meta .item .l {
  color: var(--dim);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.contact-actions {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
  position: relative; z-index: 2;
}
.contact-channels {
  display: flex; flex-wrap: wrap; gap: 24px; justify-content: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-2);
}
.contact-channels a {
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.2s;
}
.contact-channels a:hover { color: var(--cyan); }
.contact-channels a .label { color: var(--muted); }
@media (max-width: 800px) {
  .contact-card { padding: 40px 24px; }
}

/* =========================== Footer =========================== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.footer .signature {
  display: flex; align-items: center; gap: 8px;
}
.footer .signature .ping {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

/* =========================== Reveal animations =========================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* =========================== Small-screen refinements =========================== */
@media (max-width: 600px) {
  .container { padding: 0 18px; }

  .hero { padding: 104px 0 72px; min-height: auto; }
  .hero-headline { font-size: clamp(38px, 12vw, 60px); margin-bottom: 24px; }
  .hero-desc { font-size: 16px; margin-bottom: 32px; }
  .hero-ctas { margin-bottom: 40px; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .hero-status { font-size: 11px; flex-wrap: wrap; }

  /* section heads stack instead of squeezing */
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 40px; }
  .section-meta { white-space: normal; }

  /* console fits comfortably + drops perf-heavy effects */
  .hero-right { perspective: none; min-width: 0; overflow: hidden; }
  .console { max-width: 100%; overflow: hidden; }
  .console-net { aspect-ratio: 16 / 10; }
  .console-log { height: 150px; }
  .log-row { overflow: hidden; }

  .project-img-wrap { min-height: 220px; }
  .project-body { padding: 24px; }
  .project-metrics { grid-template-columns: 1fr 1fr; }
  .project-metrics .project-metric:last-child { grid-column: span 2; }

  .contact-card { border-radius: 18px; }
  .contact-meta { gap: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* Avoid sticky :hover states getting stuck on touch devices */
@media (hover: none) {
  .cursor-glow { display: none; }
}