/* ============================================================
   H.O.T AI — Hotragn Pettugani
   Design language: "Pathfinder" — night terrain, waypoints,
   signal amber + route teal on deep ink. No template DNA.
   ============================================================ */

:root {
  --ink: #06080d;
  --ink-2: #0a0f18;
  --ink-3: #0e1521;
  --line: rgba(148, 170, 212, 0.14);
  --line-strong: rgba(148, 170, 212, 0.3);
  --paper: #e9eef8;
  --fog: #93a3c2;
  --fog-dim: #5d6b88;
  --amber: #ffb454;
  --amber-soft: rgba(255, 180, 84, 0.14);
  --teal: #3ee6c4;
  --teal-soft: rgba(62, 230, 196, 0.12);
  --danger: #ff7a6e;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Topographic contour backdrop — faint, site-wide */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(62, 230, 196, 0.05), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 110%, rgba(255, 180, 84, 0.05), transparent 60%),
    var(--ink);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='700' height='700' viewBox='0 0 700 700'%3E%3Cg fill='none' stroke='%2393a3c2' stroke-opacity='0.05' stroke-width='1'%3E%3Cpath d='M50 350c0-160 130-290 300-290s300 130 300 290-130 290-300 290S50 510 50 350z'/%3E%3Cpath d='M120 350c0-125 100-225 230-225s230 100 230 225-100 225-230 225-230-100-230-225z'/%3E%3Cpath d='M190 350c0-90 70-160 160-160s160 70 160 160-70 160-160 160-160-70-160-160z'/%3E%3Cpath d='M260 350c0-50 40-90 90-90s90 40 90 90-40 90-90 90-90-40-90-90z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 700px 700px;
  pointer-events: none;
}

::selection { background: var(--amber); color: var(--ink); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: #1d2942; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #2a3a5e; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img, svg, canvas { display: block; max-width: 100%; }

/* ---------- custom cursor ---------- */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot { width: 6px; height: 6px; background: var(--amber); }
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid rgba(255, 180, 84, 0.5);
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out),
              border-color 0.25s, background 0.25s;
}
.cursor-ring.is-hover {
  width: 56px; height: 56px;
  border-color: var(--teal);
  background: rgba(62, 230, 196, 0.06);
}
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---------- shell ---------- */
.shell { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ---------- nav ---------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(6, 8, 13, 0.72);
  border-bottom: 1px solid var(--line);
}
.site-nav .shell {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--font-mono);
  font-size: 15px; letter-spacing: 0.08em;
  display: flex; align-items: center; gap: 10px;
}
.brand .sig {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.75); }
}
.brand b { color: var(--amber); font-weight: 600; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fog); padding: 8px 14px; border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--paper); background: rgba(148, 170, 212, 0.08); }
.nav-links a.active { color: var(--amber); }
.nav-links a.gh {
  border: 1px solid var(--line-strong); margin-left: 8px;
}
.nav-links a.gh:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- waypoint section label ---------- */
.wpt {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--fog-dim);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 18px;
}
.wpt::before {
  content: "◇"; color: var(--amber); font-size: 13px;
}
.wpt::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 64px;
}
#terrain {
  position: absolute; inset: 0; z-index: 0;
  opacity: 0.9;
}
.hero-inner { position: relative; z-index: 2; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 48px; align-items: center;
}
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-portrait { order: -1; max-width: 200px; margin: 0 auto; }
}

/* ---------- portrait ---------- */
.hero-portrait {
  position: relative; max-width: 380px; justify-self: end;
}
.hero-portrait .hp-frame {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 16px;
  background: linear-gradient(180deg, #182234 0%, #0b101a 78%);
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.06);
}
/* waypoint corner ticks — same signature as the project cards */
.hero-portrait .hp-frame::before, .hero-portrait .hp-frame::after {
  content: ""; position: absolute; width: 16px; height: 16px; z-index: 2;
  border-color: var(--amber); border-style: solid;
}
.hero-portrait .hp-frame::before { top: 12px; left: 12px; border-width: 1.5px 0 0 1.5px; }
.hero-portrait .hp-frame::after { bottom: 12px; right: 12px; border-width: 0 1.5px 1.5px 0; }
.hero-portrait img {
  width: 100%; height: 100%; object-fit: cover; object-position: center top;
  filter: grayscale(1) contrast(1.14) brightness(1.05);
  transition: filter 0.7s var(--ease-out);
}
.hero-portrait:hover img { filter: grayscale(0) contrast(1.05) saturate(1.02); }
/* static offset frame — editorial print-stack, no motion */
.hero-portrait .hp-orbit {
  position: absolute; inset: -13px; pointer-events: none;
  border: 1px dashed rgba(148, 170, 212, 0.4);
  border-radius: 20px;
  transform: rotate(2.2deg);
}
.hero-portrait .hp-chip {
  position: absolute; left: 6%; bottom: -14px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink);
  background: var(--amber); border-radius: 999px; padding: 7px 16px;
  font-weight: 600; box-shadow: 0 10px 30px rgba(255, 180, 84, 0.35);
}
@media (max-width: 880px) {
  .hero-portrait .hp-chip { left: 50%; transform: translateX(-50%); white-space: nowrap; }
}

/* ---------- retro theme toggle (nav) ---------- */
.retro-toggle {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; cursor: pointer;
  color: var(--teal); background: transparent;
  border: 1px dashed rgba(62, 230, 196, 0.5); border-radius: 8px;
  padding: 8px 13px; margin-left: 6px;
  transition: all 0.25s var(--ease-out);
}
.retro-toggle:hover {
  background: var(--teal); color: var(--ink); border-style: solid;
  box-shadow: 0 0 20px rgba(62, 230, 196, 0.4);
}
.hero-eyebrow {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 22px;
  display: flex; align-items: center; gap: 14px;
}
.hero-eyebrow .bars { display: inline-flex; align-items: flex-end; gap: 3px; height: 14px; }
.hero-eyebrow .bars i {
  width: 3px; background: var(--teal); border-radius: 1px;
  animation: signal 1.6s infinite var(--ease-out);
}
.hero-eyebrow .bars i:nth-child(1) { height: 5px; animation-delay: 0s; }
.hero-eyebrow .bars i:nth-child(2) { height: 8px; animation-delay: 0.15s; }
.hero-eyebrow .bars i:nth-child(3) { height: 11px; animation-delay: 0.3s; }
.hero-eyebrow .bars i:nth-child(4) { height: 14px; animation-delay: 0.45s; }
@keyframes signal {
  0%, 100% { opacity: 1; } 50% { opacity: 0.25; }
}
h1.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(44px, 7.2vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  max-width: 13ch;
}
h1.hero-title em {
  font-style: italic; font-weight: 400;
  color: var(--amber);
  position: relative; white-space: nowrap;
}
h1.hero-title em svg {
  position: absolute; left: 0; bottom: -0.12em; width: 100%; height: 0.22em;
  overflow: visible;
}
h1.hero-title em svg path {
  fill: none; stroke: var(--teal); stroke-width: 3;
  stroke-linecap: round; stroke-dasharray: 6 9;
  animation: routeDash 20s linear infinite;
}
@keyframes routeDash { to { stroke-dashoffset: -300; } }
.hero-sub {
  margin-top: 28px; max-width: 56ch;
  color: var(--fog); font-size: 18.5px; font-weight: 300;
}
.hero-sub b { color: var(--paper); font-weight: 500; }
.hero-cta { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 14px 26px; border-radius: 10px;
  border: 1px solid var(--line-strong);
  color: var(--paper); background: transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), border-color 0.25s,
              background 0.25s, color 0.25s, box-shadow 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  background: var(--amber); border-color: var(--amber);
  color: #171006; font-weight: 600;
}
.btn.primary:hover { box-shadow: 0 8px 32px rgba(255, 180, 84, 0.35); }
.btn.ghost:hover { border-color: var(--teal); color: var(--teal); }

/* hero stats strip */
.hero-stats {
  position: relative; z-index: 2;
  margin-top: 64px; padding: 22px 0;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.hstat .n {
  font-family: var(--font-display); font-size: 30px; font-weight: 600;
  color: var(--paper);
}
.hstat .n span { color: var(--teal); }
.hstat .n span[data-count] { color: var(--paper); } /* counters stay paper; accents stay teal */
.hstat .l {
  font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--fog-dim);
  margin-top: 4px;
}
@media (max-width: 720px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- ticker marquee ---------- */
.ticker {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; white-space: nowrap;
  padding: 13px 0;
  background: rgba(10, 15, 24, 0.6);
}
.ticker-track {
  display: inline-flex; gap: 48px;
  animation: ticker 42s linear infinite;
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--fog);
}
.ticker-track span::before { content: "✦ "; color: var(--amber); }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- sections & tabs ---------- */
section.block { padding: 96px 0 40px; }

.tabbar {
  position: sticky; top: 64px; z-index: 50;
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 12px 0;
  background: linear-gradient(rgba(6,8,13,0.92), rgba(6,8,13,0.85));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  margin-bottom: 52px;
}
.tabbar button {
  font-family: var(--font-mono); font-size: 12.5px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fog); background: transparent;
  border: 1px solid transparent; border-radius: 999px;
  padding: 10px 20px; cursor: pointer;
  transition: all 0.25s var(--ease-out);
}
.tabbar button:hover { color: var(--paper); border-color: var(--line-strong); }
.tabbar button.active {
  color: var(--ink); background: var(--teal);
  border-color: var(--teal); font-weight: 600;
}
.tabpanel { display: none; }
.tabpanel.active { display: block; animation: panelIn 0.5s var(--ease-out); }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

/* ---------- headings ---------- */
h2.sec-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.01em; margin-bottom: 14px;
}
h2.sec-title em { font-style: italic; font-weight: 400; color: var(--amber); }
.sec-lede { color: var(--fog); max-width: 62ch; margin-bottom: 44px; font-weight: 300; }

/* ---------- project cards ---------- */
.proj-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px;
}
@media (max-width: 860px) { .proj-grid { grid-template-columns: 1fr; } }

.pcard {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--ink-2), var(--ink-3));
  padding: 30px 28px 26px;
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s;
  overflow: hidden;
}
/* corner ticks */
.pcard::before, .pcard::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border-color: var(--amber); border-style: solid; opacity: 0;
  transition: opacity 0.3s;
}
.pcard::before { top: 10px; left: 10px; border-width: 1.5px 0 0 1.5px; }
.pcard::after { bottom: 10px; right: 10px; border-width: 0 1.5px 1.5px 0; }
.pcard:hover { transform: translateY(-5px); border-color: var(--line-strong);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45); }
.pcard:hover::before, .pcard:hover::after { opacity: 1; }

.pcard.featured { grid-column: span 2; }
@media (max-width: 860px) { .pcard.featured { grid-column: span 1; } }

.pcard .ptop {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 14px; margin-bottom: 12px;
}
.pcard h3 {
  font-family: var(--font-display); font-size: 25px; font-weight: 600;
}
.pcard .pid {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--fog-dim); white-space: nowrap;
}
.pcard .badge {
  display: inline-block; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--amber); border: 1px solid rgba(255, 180, 84, 0.4);
  border-radius: 999px; padding: 3px 11px; margin-bottom: 14px;
}
.pcard .badge.live { color: var(--teal); border-color: rgba(62, 230, 196, 0.45); }
.pcard p { color: var(--fog); font-size: 15.5px; font-weight: 300; }
.pcard .ptags {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px;
}
.pcard .ptags span {
  font-family: var(--font-mono); font-size: 11px; color: var(--fog);
  background: rgba(148, 170, 212, 0.08);
  border-radius: 6px; padding: 4px 9px;
}
.pcard .plinks { margin-top: 20px; display: flex; gap: 18px; }
.pcard .plinks a {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--teal);
  border-bottom: 1px dashed rgba(62, 230, 196, 0.4);
  padding-bottom: 2px; transition: color 0.2s, border-color 0.2s;
}
.pcard .plinks a:hover { color: var(--amber); border-color: var(--amber); }

/* three-across variant (collapses responsively — replaces inline styles) */
.proj-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .proj-grid.grid-3 { grid-template-columns: 1fr; } }

/* mini grid for smaller works */
.mini-grid {
  margin-top: 22px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
@media (max-width: 860px) { .mini-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .mini-grid { grid-template-columns: 1fr; } }
.mini {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 18px; background: var(--ink-2);
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}
.mini:hover { border-color: var(--teal); transform: translateY(-3px); }
.mini h4 { font-size: 15.5px; font-weight: 500; margin-bottom: 5px; }
.mini h4 a:hover { color: var(--teal); }
.mini p { font-size: 13px; color: var(--fog-dim); font-weight: 300; }

/* ---------- journey / experience timeline ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 1px;
  background: repeating-linear-gradient(
    var(--line-strong) 0 6px, transparent 6px 13px);
}
.tl-item { position: relative; padding-bottom: 42px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 7px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--ink); border: 2px solid var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 180, 84, 0.12);
}
.tl-item .when {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.14em; color: var(--teal); text-transform: uppercase;
}
.tl-item h3 { font-size: 20px; font-weight: 600; margin: 6px 0 2px; }
.tl-item .org { color: var(--fog); font-size: 15px; margin-bottom: 10px; }
.tl-item ul { list-style: none; }
.tl-item li {
  color: var(--fog); font-size: 15px; font-weight: 300;
  padding-left: 20px; position: relative; margin-bottom: 6px;
}
.tl-item li::before { content: "▹"; position: absolute; left: 0; color: var(--amber); }

.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 12px; }
@media (max-width: 720px) { .edu-grid { grid-template-columns: 1fr; } }
.edu {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; background: var(--ink-2);
}
.edu .deg { font-family: var(--font-display); font-size: 21px; font-weight: 600; }
.edu .sch { color: var(--fog); margin: 4px 0 10px; }
.edu .meta { font-family: var(--font-mono); font-size: 12px; color: var(--fog-dim); letter-spacing: 0.1em; }

/* ---------- research / honors ---------- */
.pub-list { display: grid; gap: 16px; }
.pub {
  display: grid; grid-template-columns: 92px 1fr; gap: 22px;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; background: var(--ink-2);
  transition: border-color 0.25s;
}
.pub:hover { border-color: var(--line-strong); }
.pub .ptype {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber);
  padding-top: 3px;
}
.pub h4 { font-size: 17px; font-weight: 500; margin-bottom: 4px; }
.pub p { color: var(--fog-dim); font-size: 14px; font-weight: 300; }
@media (max-width: 620px) { .pub { grid-template-columns: 1fr; gap: 6px; } }

.honor-row {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px;
}
.honor {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 9px 18px; color: var(--fog);
  transition: all 0.25s;
}
.honor:hover { color: var(--amber); border-color: var(--amber); transform: translateY(-2px); }
.honor.win { color: var(--amber); border-color: rgba(255, 180, 84, 0.5); }

/* ---------- skills ---------- */
.skill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 780px) { .skill-grid { grid-template-columns: 1fr; } }
.skill-set {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; background: var(--ink-2);
}
.skill-set h3 {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--teal);
  margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
}
.skill-set h3::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chips span {
  font-size: 13.5px; color: var(--paper); font-weight: 300;
  background: rgba(148, 170, 212, 0.07);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 13px; transition: all 0.2s;
}
.chips span:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- contact ---------- */
.contact-wrap {
  border: 1px solid var(--line-strong); border-radius: 20px;
  padding: 60px 48px; text-align: center;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(255, 180, 84, 0.07), transparent),
    var(--ink-2);
}
.contact-wrap h2 {
  font-family: var(--font-display); font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 600; margin-bottom: 14px;
}
.contact-wrap h2 em { font-style: italic; color: var(--amber); font-weight: 400; }
.contact-wrap p { color: var(--fog); max-width: 46ch; margin: 0 auto 34px; font-weight: 300; }
.contact-links { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- footer ---------- */
footer {
  margin-top: 90px; border-top: 1px solid var(--line);
  padding: 34px 0 44px;
}
footer .shell {
  display: flex; justify-content: space-between; align-items: center;
  gap: 18px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.1em; color: var(--fog-dim);
}
footer a { color: var(--fog); transition: color 0.2s; }
footer a:hover { color: var(--amber); }

/* ---------- reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.rv.in { opacity: 1; transform: none; }

/* ============================================================
   HOW I BUILD page — the loop + architecture receipts
   ============================================================ */
.loop-hero { padding: 150px 0 30px; }
.loop-wrap {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 44px;
  align-items: start; margin-top: 30px;
}
@media (max-width: 920px) { .loop-wrap { grid-template-columns: 1fr; } }

#loopSvg { width: 100%; height: auto; }
#loopSvg .orbit {
  fill: none; stroke: var(--line-strong); stroke-width: 1.4;
  stroke-dasharray: 5 8;
  animation: orbitSpin 60s linear infinite;
  transform-origin: 300px 300px;
}
@keyframes orbitSpin { to { transform: rotate(360deg); } }
#loopSvg .flow {
  fill: none; stroke: var(--teal); stroke-width: 2;
  stroke-dasharray: 4 10; stroke-linecap: round; opacity: 0.85;
  animation: flowDash 1.6s linear infinite;
}
@keyframes flowDash { to { stroke-dashoffset: -14; } }
#loopSvg .node circle.core {
  fill: var(--ink-3); stroke: var(--line-strong); stroke-width: 1.5;
  transition: stroke 0.3s, fill 0.3s;
  cursor: pointer;
}
#loopSvg .node circle.halo {
  fill: none; stroke: var(--amber); stroke-width: 1.2; opacity: 0;
}
#loopSvg .node text {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.1em;
  fill: var(--fog); text-anchor: middle; pointer-events: none;
  text-transform: uppercase;
}
#loopSvg .node .idx {
  font-size: 10px; fill: var(--fog-dim);
}
#loopSvg .node.active circle.core { stroke: var(--amber); fill: #161206; }
#loopSvg .node.active text { fill: var(--amber); }
#loopSvg .node.active circle.halo { opacity: 1; animation: halo 2s var(--ease-out) infinite; }
@keyframes halo {
  from { transform: scale(1); opacity: 0.9; }
  to { transform: scale(1.7); opacity: 0; }
}
#loopSvg .node { transition: opacity 0.3s; }
#loopSvg .center-label {
  font-family: var(--font-display); font-style: italic;
  font-size: 21px; fill: var(--paper); text-anchor: middle;
}
#loopSvg .center-sub {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.2em;
  fill: var(--fog-dim); text-anchor: middle;
}

.stage-panel {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--ink-2); padding: 32px;
  min-height: 380px;
  position: sticky; top: 96px;
}
.stage-panel .snum {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.22em;
  color: var(--teal); text-transform: uppercase; margin-bottom: 10px;
}
.stage-panel h3 {
  font-family: var(--font-display); font-size: 30px; font-weight: 600;
  margin-bottom: 14px;
}
.stage-panel .sdesc { color: var(--fog); font-weight: 300; margin-bottom: 22px; }
.stage-panel .slabel {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fog-dim); margin-bottom: 9px;
}
.stage-panel .receipt {
  border-left: 2px solid var(--amber);
  padding: 4px 0 4px 16px; margin-bottom: 10px;
  color: var(--paper); font-size: 14.5px; font-weight: 300;
}
.stage-panel .receipt b { color: var(--amber); font-weight: 500; }
.stage-panel .fade { animation: panelIn 0.45s var(--ease-out); }

/* ---------- 3D exploded architecture viewer (three.js) ---------- */
#tg3d {
  position: relative; height: 400px; margin: 8px 0 26px;
  border: 1px solid var(--line-strong); border-radius: 14px;
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(62, 230, 196, 0.06), transparent 60%),
    var(--ink);
  overflow: hidden; cursor: grab;
}
#tg3d:active { cursor: grabbing; }
#tg3d canvas { width: 100% !important; height: 100% !important; }
#tg3d .tg3d-hint {
  position: absolute; top: 12px; left: 14px; z-index: 2; pointer-events: none;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fog-dim);
}
#tg3d .tg3d-hint b { color: var(--teal); font-weight: 400; }

/* ---------- computer-architecture block strips ---------- */
.arch-strip {
  display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap;
  margin: 8px 0 26px;
}
.arch-strip .as-box {
  flex: 1 1 160px; min-width: 150px;
  border: 1px solid var(--line-strong); border-radius: 12px;
  background: var(--ink-2); padding: 16px 16px 14px;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}
.arch-strip .as-box:hover { border-color: var(--amber); transform: translateY(-3px); }
.arch-strip .as-box svg { width: 26px; height: 26px; color: var(--teal); margin-bottom: 10px; }
.arch-strip .as-box b {
  display: block; font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber);
  font-weight: 600; margin-bottom: 3px;
}
.arch-strip .as-box span { font-size: 13px; color: var(--fog); font-weight: 300; }
.arch-strip .as-arrow {
  align-self: center; color: var(--fog-dim); font-size: 17px; flex: 0 0 auto;
}
@media (max-width: 700px) { .arch-strip .as-arrow { display: none; } }

/* ---------- Claude Corps hero: capability → community flow ---------- */
.cc-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}
@media (max-width: 940px) { .cc-grid { grid-template-columns: 1fr; } }
.cc-anim { position: relative; }
.cc-anim svg { width: 100%; height: auto; }
.cc-anim .ccf {
  fill: none; stroke: var(--teal); stroke-width: 1.6;
  stroke-dasharray: 5 9; stroke-linecap: round; opacity: 0.85;
  animation: flowDash 1.4s linear infinite;
}
.cc-anim .ccf.warm { stroke: var(--amber); animation-duration: 1.1s; }
.cc-anim .ccn { fill: var(--ink-2); stroke: var(--line-strong); stroke-width: 1.4; }
.cc-anim .ccn.hot { stroke: var(--amber); }
.cc-anim .cct {
  font-family: var(--font-mono); font-size: 11px; fill: var(--fog);
  text-anchor: middle; letter-spacing: 0.1em; text-transform: uppercase;
}
.cc-anim .cct.big { fill: var(--paper); font-size: 13px; }
.cc-anim .cct.dim { fill: var(--fog-dim); font-size: 9.5px; }
.cc-anim .cchalo {
  fill: none; stroke: var(--amber); stroke-width: 1.2;
  transform-box: fill-box; transform-origin: center;
  animation: halo 2.4s var(--ease-out) infinite;
}
.cc-anim .ccglyph { fill: var(--teal); font-size: 15px; text-anchor: middle; }
.cc-cap {
  text-align: center; margin-top: 14px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--fog-dim);
}
.cc-cap b { color: var(--teal); font-weight: 400; }

/* architecture receipts */
.arch-grid { display: grid; gap: 26px; margin-top: 40px; }
.arch {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ink-2); padding: 30px; overflow: hidden;
}
.arch h3 { font-family: var(--font-display); font-size: 23px; font-weight: 600; margin-bottom: 4px; }
.arch .sub { color: var(--fog-dim); font-size: 14px; margin-bottom: 22px; font-weight: 300; }
.arch svg { width: 100%; height: auto; }
.arch .box {
  fill: var(--ink-3); stroke: var(--line-strong); stroke-width: 1.2; rx: 8;
}
.arch .box-label {
  font-family: var(--font-mono); font-size: 11.5px; fill: var(--paper);
  text-anchor: middle; letter-spacing: 0.04em;
}
.arch .box-sub { font-size: 9.5px; fill: var(--fog-dim); text-anchor: middle; font-family: var(--font-mono); }
.arch .wire {
  fill: none; stroke: var(--fog-dim); stroke-width: 1.4;
  marker-end: url(#arr);
}
.arch .wire.hot {
  stroke: var(--teal); stroke-dasharray: 4 8; stroke-width: 1.8;
  animation: flowDash 1.4s linear infinite;
}
.arch .wire.warn {
  stroke: var(--danger); stroke-dasharray: 3 7;
  animation: flowDash 1.1s linear infinite;
}
.arch .gate { fill: rgba(255,180,84,0.08); stroke: var(--amber); stroke-width: 1.4; }
.arch .gate-label { fill: var(--amber); }
.arch .note {
  font-family: var(--font-mono); font-size: 10px; fill: var(--fog-dim);
  letter-spacing: 0.08em;
}

/* ============================================================
   COMMUNITY page
   ============================================================ */
.comm-hero { padding: 150px 0 20px; }
.role-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 780px) { .role-grid { grid-template-columns: 1fr; } }
.role {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ink-2); padding: 28px;
  position: relative; overflow: hidden;
  transition: transform 0.3s var(--ease-out), border-color 0.3s;
}
.role:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.role .org-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 10px;
}
.role h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.role p { color: var(--fog); font-size: 14.5px; font-weight: 300; }

.impact-band {
  margin: 70px 0; padding: 44px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
@media (max-width: 720px) { .impact-band { grid-template-columns: 1fr 1fr; } }
.impact-band .n {
  font-family: var(--font-display); font-size: 42px; font-weight: 600; color: var(--amber);
}
.impact-band .l {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fog-dim); margin-top: 6px;
}

/* ============================================================
   PREMIUM LAYER — view transitions, glass, sheen, progress,
   magnetic buttons, counters
   ============================================================ */

/* cross-page view transitions (recent CSS feature; no-op where unsupported) */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vtOut 0.28s var(--ease-out) both; }
::view-transition-new(root) { animation: vtIn 0.34s var(--ease-out) both; }
@keyframes vtOut { to { opacity: 0; transform: translateY(-10px); } }
@keyframes vtIn { from { opacity: 0; transform: translateY(12px); } }

/* scroll progress hairline */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  z-index: 300; pointer-events: none;
  box-shadow: 0 0 12px rgba(62, 230, 196, 0.55);
}

/* glass treatment + inner top-light on cards */
.pcard, .role, .edu, .skill-set, .pub, .mini, .stage-panel, .arch, .contact-wrap {
  backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045);
}

/* sheen sweep on hover (role/mini/edu — pcard keeps its corner ticks) */
.role, .mini, .edu, .skill-set {
  position: relative; overflow: hidden;
}
.role::after, .mini::after, .edu::after, .skill-set::after {
  content: ""; position: absolute; top: 0; left: -80%;
  width: 55%; height: 100%; pointer-events: none;
  background: linear-gradient(105deg, transparent, rgba(233, 238, 248, 0.05), transparent);
  transform: skewX(-18deg);
  transition: left 0.7s var(--ease-out);
}
.role:hover::after, .mini:hover::after, .edu:hover::after, .skill-set:hover::after { left: 130%; }

/* pcard: lift the gradient with a soft radial key-light */
.pcard {
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(148, 170, 212, 0.06), transparent 55%),
    linear-gradient(160deg, var(--ink-2), var(--ink-3));
}

/* ticker edge fade */
.ticker {
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

/* magnetic buttons */
.btn { will-change: transform; }

/* hero intro states (GSAP animates these in; visible by default as fallback) */
.gsap-ready .hero-eyebrow, .gsap-ready .hero-title, .gsap-ready .hero-sub,
.gsap-ready .hero-cta, .gsap-ready .hstat { visibility: visible; }

/* focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 6px;
}

/* ============================================================
   CLAUDE CORPS page (unlisted) — model stack & fit cards
   ============================================================ */
.cc-hero { padding: 150px 0 26px; }
.cc-note {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fog-dim);
  border: 1px dashed var(--line-strong); border-radius: 999px;
  padding: 6px 16px; margin-bottom: 26px;
}
.cc-note i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }

.cert-strip {
  display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 10px;
}
.cert {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid rgba(62, 230, 196, 0.4); border-radius: 12px;
  padding: 13px 20px; background: var(--teal-soft);
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.06em;
}
.cert .ok { color: var(--teal); font-weight: 600; }

.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 780px) { .stack-grid { grid-template-columns: 1fr; } }
.stack-row {
  display: grid; grid-template-columns: 150px 1fr; gap: 18px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--ink-2); padding: 20px 22px;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
  backdrop-filter: blur(8px);
}
.stack-row:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.stack-row .tool {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; color: var(--amber);
}
.stack-row .tool small {
  display: block; color: var(--fog-dim); font-weight: 400;
  font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; margin-top: 4px;
}
.stack-row p { color: var(--fog); font-size: 14.5px; font-weight: 300; }
.stack-row p b { color: var(--paper); font-weight: 500; }
.stack-row.wide { grid-column: 1 / -1; border-color: rgba(255, 180, 84, 0.35); }
@media (max-width: 560px) { .stack-row { grid-template-columns: 1fr; gap: 8px; } }

.fit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .fit-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .fit-grid { grid-template-columns: 1fr; } }
.fit {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ink-2); padding: 24px;
  backdrop-filter: blur(8px);
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}
.fit:hover { border-color: var(--amber); transform: translateY(-3px); }
.fit .cat {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 10px;
}
.fit h4 { font-size: 16.5px; font-weight: 600; margin-bottom: 8px; }
.fit p { color: var(--fog); font-size: 13.5px; font-weight: 300; }
.fit a { color: var(--teal); border-bottom: 1px dashed rgba(62,230,196,0.4); }
.fit a:hover { color: var(--amber); border-color: var(--amber); }

/* ============================================================
   Project detail modal
   ============================================================ */
[data-proj] { cursor: pointer; }
.pmodal { position: fixed; inset: 0; z-index: 1000; display: none; }
.pmodal.open { display: block; }
.pmodal .pm-backdrop {
  position: absolute; inset: 0;
  background: rgba(4, 6, 10, 0.78); backdrop-filter: blur(8px);
  animation: panelIn 0.3s var(--ease-out);
}
.pmodal .pm-panel {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: min(620px, 92vw); max-height: 86vh; overflow-y: auto;
  background: linear-gradient(165deg, var(--ink-3), var(--ink-2));
  border: 1px solid var(--line-strong); border-radius: 18px;
  padding: 36px 38px 32px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
  animation: pmIn 0.4s var(--ease-out);
}
@keyframes pmIn { from { opacity: 0; transform: translate(-50%, -46%) scale(0.96); } }
.pmodal .pm-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  background: transparent; border: 1px solid var(--line-strong);
  color: var(--fog); font-size: 14px; cursor: pointer;
  transition: all 0.2s;
}
.pmodal .pm-close:hover { border-color: var(--amber); color: var(--amber); transform: rotate(90deg); }
.pmodal .pm-thumb { width: 84px; height: 84px; color: var(--teal); margin-bottom: 18px; }
.pmodal .pm-thumb svg { width: 100%; height: 100%; }
.pmodal h3 { font-family: var(--font-display); font-size: 30px; font-weight: 600; }
.pmodal .pm-tag { color: var(--amber); font-style: italic; font-family: var(--font-display); font-size: 17px; margin: 2px 0 16px; }
.pmodal .pm-desc { color: var(--fog); font-weight: 300; font-size: 15.5px; }
.pmodal .pm-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--fog-dim); margin: 22px 0 10px;
}
.pmodal .pm-stack { display: flex; flex-wrap: wrap; gap: 8px; }
.pmodal .pm-stack span {
  font-family: var(--font-mono); font-size: 12px; color: var(--paper);
  border: 1px solid var(--line-strong); border-radius: 8px; padding: 5px 12px;
  background: rgba(148, 170, 212, 0.06);
}
.pmodal .pm-links { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

/* ============================================================
   Reel carousel
   ============================================================ */
.reel { position: relative; margin-top: 26px; }
.reel-track {
  display: flex; gap: 16px; overflow-x: auto;
  scroll-snap-type: x mandatory; padding: 4px 4px 16px;
  scrollbar-width: none; cursor: grab;
}
.reel-track::-webkit-scrollbar { display: none; }
.reel-track:active { cursor: grabbing; }
.reel-card {
  flex: 0 0 240px; scroll-snap-align: start;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ink-2); padding: 22px;
  transition: transform 0.3s var(--ease-out), border-color 0.3s;
  user-select: none;
}
.reel-card:hover { transform: translateY(-5px); border-color: var(--teal); }
.reel-card .rc-thumb { width: 52px; height: 52px; color: var(--teal); margin-bottom: 14px; }
.reel-card .rc-thumb svg { width: 100%; height: 100%; }
.reel-card h4 { font-family: var(--font-display); font-size: 18px; font-weight: 600; }
.reel-card .rc-tag { color: var(--fog-dim); font-size: 13px; font-weight: 300; margin: 3px 0 12px; }
.reel-card .rc-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.reel-card .rc-stack span {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--fog);
  background: rgba(148, 170, 212, 0.08); border-radius: 5px; padding: 3px 8px;
}
.reel-btn {
  position: absolute; top: 40%; z-index: 5;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--ink); border: 1px solid var(--line-strong);
  color: var(--paper); font-size: 16px; cursor: pointer;
  transition: all 0.25s;
}
.reel-btn:hover { border-color: var(--amber); color: var(--amber); }
.reel-btn.prev { left: -14px; }
.reel-btn.next { right: -14px; }

/* ============================================================
   Wordstrip — scroll-driven giant type dividers
   ============================================================ */
.wordstrip {
  overflow: hidden; white-space: nowrap;
  padding: 44px 0 30px; user-select: none;
  border-bottom: 1px solid var(--line);
}
.wordstrip .ws-track {
  display: inline-block;
  font-family: var(--font-display); font-weight: 600; font-style: italic;
  font-size: clamp(58px, 9vw, 120px); line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(148, 170, 212, 0.28);
  will-change: transform;
}
.wordstrip .ws-track b {
  color: var(--amber); -webkit-text-stroke: 0; font-weight: 600;
}
/* CSS fallback drift when GSAP is unavailable */
@keyframes wsDrift { to { transform: translateX(-25%); } }
.wordstrip.no-gsap .ws-track { animation: wsDrift 40s linear infinite; }

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

@media (max-width: 700px) {
  .brand { font-size: 12px; letter-spacing: 0.04em; }
}
@media (max-width: 640px) {
  .nav-links a:not(.gh) { padding: 8px 8px; }
  .contact-wrap { padding: 44px 22px; }
}