/* ============================================================
   Venu Gopal Ragiri — portfolio styles
   Design tokens first; tweak colors/spacing here.
   ============================================================ */
:root {
  --bg: #0b0f17;
  --bg-alt: #0f1522;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --text-dim: #9aa5b8;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
  --glow: 0 0 60px rgba(56, 189, 248, 0.25);
  --radius: 14px;
  --font: "Avenir Next", Avenir, "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  --max: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 17px; }
@media (max-width: 640px) { html { font-size: 16px; } }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
.accent { color: var(--accent); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--card-border); }
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0.9rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav-logo { font-weight: 800; font-size: 1.35rem; color: var(--text); letter-spacing: 0.02em; }
.nav-links { display: flex; gap: 1.6rem; list-style: none; }
.nav-links a {
  color: var(--text-dim); font-size: 0.92rem; font-weight: 500;
  transition: color 0.25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-actions { display: flex; align-items: center; gap: 0.8rem; }
.cmdk-hint {
  display: flex; gap: 3px; background: none; border: 1px solid var(--card-border);
  border-radius: 8px; padding: 5px 8px; cursor: pointer; transition: border-color 0.25s;
}
.cmdk-hint:hover { border-color: var(--accent); }
.cmdk-hint kbd { color: var(--text-dim); font-size: 0.75rem; font-family: inherit; }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-burger span {
  display: block; width: 22px; height: 2px; background: var(--text);
  margin: 5px 0; border-radius: 2px; transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 6.5rem 1.5rem 4rem;
}
.jarvis-canvas {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.hero-glow {
  position: absolute; width: 480px; height: 480px; border-radius: 50%;
  filter: blur(140px); opacity: 0.35; pointer-events: none;
}
.glow-1 { background: var(--accent); top: -10%; right: -12%; }
.glow-2 { background: var(--accent-2); bottom: -15%; left: -12%; opacity: 0.25; }
.hero-inner { max-width: 720px; width: 100%; text-align: center; position: relative; z-index: 1; }
.hero-photo {
  width: 180px; height: 180px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 1.3rem; border: 3px solid rgba(56, 189, 248, 0.4);
  box-shadow: var(--glow);
}
.hero-kicker {
  text-transform: uppercase; letter-spacing: 0.35em; font-size: 0.8rem;
  color: var(--accent); font-weight: 600; margin-bottom: 0.8rem;
}
.hero-title {
  font-size: clamp(2.4rem, 7vw, 4.2rem); font-weight: 800;
  letter-spacing: -0.02em; line-height: 1.08; margin-bottom: 0.8rem;
}
.hero-title .grad {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-roles { font-size: 1.15rem; color: var(--text-dim); min-height: 1.8em; margin-bottom: 0.6rem; }
.caret { animation: blink 1s step-end infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }
.hero-status {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--text-dim); margin-bottom: 2.2rem;
}

/* Chat panel */
.chat-panel {
  text-align: left; background: rgba(15, 21, 34, 0.85);
  border: 1px solid var(--card-border); border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden; backdrop-filter: blur(10px);
}
.chat-header {
  display: flex; align-items: center; gap: 6px;
  padding: 0.7rem 1rem; border-bottom: 1px solid var(--card-border);
}
.chat-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--card-border); }
.chat-header .chat-dot:nth-child(1) { background: #f87171; }
.chat-header .chat-dot:nth-child(2) { background: #fbbf24; }
.chat-header .chat-dot:nth-child(3) { background: #34d399; }
.chat-title { margin-left: 8px; font-size: 0.78rem; color: var(--text-dim); font-family: ui-monospace, monospace; }
.chat-log { padding: 1rem 1.1rem 0.4rem; max-height: 300px; overflow-y: auto; scroll-behavior: smooth; }
.chat-msg { margin-bottom: 0.85rem; display: flex; }
.chat-msg.bot { align-items: flex-end; }
.chat-avatar {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  object-fit: cover; object-position: top; margin-right: 8px;
  border: 1px solid rgba(56, 189, 248, 0.4); background: #fff;
}
.chat-msg .bubble {
  padding: 0.6rem 0.95rem; border-radius: 12px; font-size: 0.93rem; max-width: 85%;
}
.chat-msg.user { justify-content: flex-end; }
.chat-msg.user .bubble {
  background: var(--gradient); color: #08111c; font-weight: 600;
  border-bottom-right-radius: 4px;
}
.chat-msg.bot .bubble {
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--card-border);
  border-bottom-left-radius: 4px; color: var(--text);
}
.chat-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0.7rem 1.1rem 1rem; }
.chip {
  background: none; border: 1px solid var(--card-border); color: var(--text-dim);
  border-radius: 999px; padding: 0.42rem 0.9rem; font-size: 0.82rem;
  font-family: inherit; cursor: pointer; transition: all 0.25s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.chip:disabled { opacity: 0.35; cursor: default; transform: none; }
.hero-scroll {
  position: absolute; bottom: -1.8rem; left: 50%; transform: translateX(-50%);
  color: var(--text-dim); animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translate(-50%, 8px); } }

/* ---------- Sections ---------- */
.section { padding: 5.5rem 1.5rem; }
.section.alt { background: var(--bg-alt); }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section-inner.narrow { max-width: 820px; }
.section-head { text-align: center; margin-bottom: 3rem; }
.section-head.sub { margin-top: 4rem; margin-bottom: 1.6rem; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.3rem); font-weight: 800; letter-spacing: -0.01em; }
.section-head h3 { font-size: 1.35rem; font-weight: 700; }
.section-head p { color: var(--text-dim); margin-top: 0.4rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }

h2.inline-title { font-size: clamp(1.7rem, 4vw, 2.3rem); font-weight: 800; margin-bottom: 0.3rem; }
.sub-lead { color: var(--accent); font-weight: 600; margin-bottom: 1.3rem; }
.about-text p { color: var(--text-dim); margin-bottom: 1rem; font-size: 0.97rem; }

.glass-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 1.6rem;
  transition: border-color 0.3s, transform 0.3s;
}
.glass-card:hover { border-color: rgba(56, 189, 248, 0.35); }

/* Bobblehead figure */
.bobble-wrap { text-align: center; margin-bottom: 1.4rem; background: url(../assets/bobblehead-body.png);
  background-repeat: no-repeat;
  background-size: 230px;
  background-position: center;}
.bobble-wrap img {
  width: 250px; max-width: 40%; margin: 0 auto; border-radius: 12px;
  transform-origin: 50% 92%;
  animation: bobbleWobble 3.6s ease-in-out infinite;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.45));
}
.bobble-wrap img:hover { animation-duration: 0.9s; }
@keyframes bobbleWobble {
  0%, 100% { transform: rotate(-3deg); }
  50% { transform: rotate(3deg); }
}
@media (prefers-reduced-motion: reduce) { .bobble-wrap img { animation: none; } }

/* Stats */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.stat { text-align: center; padding: 1.4rem 1rem; }
.stat .num {
  font-size: 2.6rem; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat .lbl { color: var(--text-dim); font-size: 0.85rem; margin-top: 0.2rem; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.skill-card h3 { font-size: 1.05rem; margin-bottom: 0.9rem; display: flex; align-items: center; gap: 0.6rem; }
.skill-card h3 svg { color: var(--accent); flex-shrink: 0; }
.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; padding: 0.3rem 0.75rem; border-radius: 999px;
  background: rgba(56, 189, 248, 0.1); color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.2);
}
.badge img { width: 14px; height: 14px; display: block; }

/* Beyond Code */
.pull-quote {
  margin: 1.4rem 0; padding: 1.1rem 1.4rem;
  border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0;
  background: rgba(56, 189, 248, 0.07);
  font-style: italic; font-weight: 600; color: var(--text); font-size: 1.05rem;
}
.focus-card { margin-bottom: 1rem; padding: 1.3rem 1.5rem; }
.focus-card h3 {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 1.02rem; margin-bottom: 0.9rem;
}
.focus-card h3 svg { color: var(--accent); flex-shrink: 0; }
.focus-card ul { list-style: none; }
.focus-card li {
  position: relative; padding: 0.35rem 0 0.35rem 1.4rem;
  color: var(--text-dim); font-size: 0.92rem;
}
.focus-card li::before {
  content: "▸"; position: absolute; left: 0; color: var(--accent);
}
.beyond-cta { width: 100%; justify-content: center; margin-top: 0.4rem; }

/* Featured skill card (AI / vibe coding) */
.skill-card.featured {
  grid-column: 1 / -1; position: relative;
  border: 1px solid rgba(56, 189, 248, 0.45);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.10), rgba(129, 140, 248, 0.08));
  box-shadow: 0 0 34px rgba(56, 189, 248, 0.12);
}
.skill-card.featured:hover { border-color: rgba(56, 189, 248, 0.7); }
.featured-tag {
  position: absolute; top: -11px; right: 18px;
  padding: 0.2rem 0.8rem; border-radius: 999px;
  background: var(--gradient); color: #08111c;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}

/* Timeline */
.timeline { position: relative; max-width: 860px; margin: 0 auto; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
  opacity: 0.4;
}
.tl-item { position: relative; padding: 0 0 2.4rem 2.4rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: 0; top: 6px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.tl-item.current .tl-dot { box-shadow: 0 0 14px rgba(56, 189, 248, 0.7); }
.tl-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.6rem; margin-bottom: 0.7rem; }
.tl-id { display: flex; align-items: center; gap: 0.9rem; min-width: 0; }
.tl-logo {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  background: #fff; object-fit: contain; padding: 5px; box-sizing: border-box;
  border: 1px solid var(--card-border);
}
.tl-monogram {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(56, 189, 248, 0.12); color: var(--accent);
  font-weight: 800; font-size: 0.95rem; letter-spacing: 0.02em; padding: 0;
}
.tl-role { font-size: 1.15rem; font-weight: 700; }
.tl-meta { color: var(--text-dim); font-size: 0.88rem; margin-top: 0.15rem; }
.tl-period {
  align-self: flex-start; white-space: nowrap; font-size: 0.8rem; font-weight: 600;
  color: var(--accent); background: rgba(56, 189, 248, 0.1);
  border-radius: 999px; padding: 0.35rem 0.9rem;
}
.tl-desc { color: var(--text-dim); font-size: 0.93rem; margin-bottom: 0.9rem; }
.tl-tech { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.tl-tech span {
  font-size: 0.74rem; padding: 0.25rem 0.65rem; border-radius: 6px;
  background: rgba(255, 255, 255, 0.06); color: var(--text-dim);
}

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.project-card { display: flex; flex-direction: column; height: 100%; }
.project-card:hover { transform: translateY(-4px); }
.project-card h3 { font-size: 1.02rem; margin-bottom: 0.6rem; }
.project-card p { color: var(--text-dim); font-size: 0.88rem; flex-grow: 1; margin-bottom: 1rem; }
.other-projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
.op-item {
  display: flex; align-items: center; justify-content: space-between; gap: 0.8rem;
  padding: 0.9rem 1.1rem; border: 1px solid var(--card-border);
  border-radius: 10px; background: var(--card); transition: border-color 0.25s;
}
.op-item:hover { border-color: rgba(56, 189, 248, 0.35); }
.op-item h4 { font-size: 0.9rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.op-item p { font-size: 0.75rem; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.op-item a { flex-shrink: 0; display: flex; }
.op-item .min0 { min-width: 0; }

/* Carousel */
.carousel { position: relative; max-width: 780px; margin: 0 auto; }
.carousel-track-wrap { overflow: hidden; }
.carousel-track { display: flex; transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.t-slide { flex: 0 0 100%; min-width: 0; padding: 0 0.4rem; }
.t-card { text-align: center; padding: 2.4rem 2rem; }
.t-quote { font-size: 2.2rem; color: var(--accent); opacity: 0.5; line-height: 1; margin-bottom: 0.8rem; }
.t-text { font-style: italic; color: var(--text-dim); font-size: 0.98rem; max-width: 560px; margin: 0 auto 1.4rem; }
.t-name { font-weight: 700; border-top: 1px solid var(--card-border); display: inline-block; padding-top: 1rem; }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 40px; height: 40px; border-radius: 50%; font-size: 1.4rem; line-height: 1;
  background: rgba(15, 21, 34, 0.8); border: 1px solid var(--card-border);
  color: var(--text-dim); cursor: pointer; transition: all 0.25s;
}
.carousel-btn:hover { color: var(--accent); border-color: var(--accent); }
.carousel-btn.prev { left: -14px; }
.carousel-btn.next { right: -14px; }
.carousel-dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.6rem; }
.carousel-dots button {
  width: 9px; height: 9px; border-radius: 999px; border: 0; padding: 0;
  background: rgba(255, 255, 255, 0.2); cursor: pointer; transition: all 0.3s;
}
.carousel-dots button.on { width: 28px; background: var(--accent); }

/* Awards & education */
.award-item, .edu-item { margin-bottom: 0.9rem; padding: 1.1rem 1.3rem; }
.award-item h3, .edu-item h3 { font-size: 1rem; margin-bottom: 0.15rem; }
.award-item p, .edu-item p { color: var(--text-dim); font-size: 0.85rem; }
.edu-item .status { color: var(--accent); margin-top: 0.15rem; }
.col-title { display: flex; align-items: center; gap: 0.7rem; font-size: 1.4rem; font-weight: 800; margin-bottom: 1.4rem; }
.col-title svg { color: var(--accent); }

/* Contact */
.contact-wrap { text-align: center; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.8rem; }
.contact-item {
  display: flex; align-items: center; justify-content: center; gap: 0.7rem;
  padding: 1rem; border-radius: 10px; background: rgba(255, 255, 255, 0.05);
  color: var(--text); font-size: 0.92rem; transition: all 0.25s;
}
a.contact-item:hover { background: rgba(56, 189, 248, 0.12); color: var(--accent); }
.contact-item svg { color: var(--accent); flex-shrink: 0; }
.contact-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.95rem 2rem; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  transition: transform 0.25s, background 0.25s;
}
.btn-primary { background: var(--gradient); color: #08111c; box-shadow: var(--glow); }
.btn-primary:hover { transform: scale(1.04); }
.btn-ghost { border: 1px solid var(--accent); color: var(--accent); }
.btn-ghost:hover { background: rgba(56, 189, 248, 0.1); transform: scale(1.04); }

/* Footer */
.footer { border-top: 1px solid var(--card-border); padding: 2rem 1.5rem; text-align: center; }
.footer p { color: var(--text-dim); font-size: 0.85rem; }

/* Command palette */
.cmdk-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(5, 8, 14, 0.7);
  backdrop-filter: blur(4px); display: flex; align-items: flex-start; justify-content: center;
  padding-top: 18vh;
}
.cmdk-overlay[hidden] { display: none; }
.cmdk {
  width: min(480px, 92vw); background: var(--bg-alt);
  border: 1px solid var(--card-border); border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); overflow: hidden;
}
.cmdk input {
  width: 100%; background: none; border: 0; outline: 0;
  padding: 1rem 1.2rem; color: var(--text); font-size: 1rem; font-family: inherit;
  border-bottom: 1px solid var(--card-border);
}
.cmdk ul { list-style: none; max-height: 300px; overflow-y: auto; padding: 0.4rem; }
.cmdk li {
  padding: 0.7rem 1rem; border-radius: 8px; cursor: pointer;
  color: var(--text-dim); font-size: 0.93rem; display: flex; justify-content: space-between;
}
.cmdk li.sel, .cmdk li:hover { background: rgba(56, 189, 248, 0.12); color: var(--text); }
.cmdk li .hint { font-size: 0.75rem; opacity: 0.5; }

/* ---------- JARVIS suit-schematic companion ---------- */
#buddy {
  position: fixed; left: 20px; bottom: 16px; z-index: 90;
  width: 120px; cursor: pointer; user-select: none;
  animation: buddyFloat 4.5s ease-in-out infinite;
}
#buddy:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 12px; }
@keyframes buddyFloat { 50% { translate: 0 -7px; } }
#suitSvg {
  display: block; overflow: visible; will-change: transform;
  transition: transform 0.35s ease;
  filter: drop-shadow(0 0 14px rgba(56, 189, 248, 0.22));
}
#suitSvg .s-line {
  fill: rgba(56, 189, 248, 0.04); stroke: var(--accent);
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; opacity: 0.85;
}
#suitSvg .s-dim { fill: none; stroke: var(--accent-2); stroke-width: 1.3; stroke-linecap: round; opacity: 0.5; }
#suitSvg .s-joint {
  fill: rgba(56, 189, 248, 0.18); stroke: var(--accent); stroke-width: 1.2;
  animation: jointPulse 3s ease-in-out infinite;
}
@keyframes jointPulse { 50% { fill: rgba(56, 189, 248, 0.45); } }
#suitSvg .s-ring { fill: none; stroke: var(--accent); stroke-width: 1.5; opacity: 0.8; }
#suitSvg .s-reactor {
  fill: #a5e3ff; filter: drop-shadow(0 0 5px rgba(56, 189, 248, 1));
  transform-box: fill-box; transform-origin: center;
  animation: reactorPulse 2.2s ease-in-out infinite;
}
@keyframes reactorPulse { 50% { transform: scale(0.72); opacity: 0.7; } }
#suitSvg .s-repulsor {
  fill: rgba(165, 227, 255, 0.9);
  filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.9));
  animation: jointPulse 2.6s ease-in-out infinite;
}
#suitHead { will-change: transform; }
#buddyEyes { will-change: transform; }
#buddyEyes rect {
  fill: #a5e3ff;
  filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.9));
}
#buddyEyes .eyelids {
  transform-box: fill-box; transform-origin: center;
  transition: transform 90ms ease;
}
#buddyEyes.blink .eyelids { transform: scaleY(0.12); }
/* boot thrusters: shown while scrolling (svg gets .boost) */
#suitSvg .flames { opacity: 0; transition: opacity 0.2s ease; }
#suitSvg.boost .flames { opacity: 1; }
#suitSvg .flames path {
  fill: rgba(125, 216, 255, 0.85);
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 1));
  transform-box: fill-box; transform-origin: 50% 0;
  animation: flameFlicker 0.22s ease-in-out infinite alternate;
}
#suitSvg .flames path:last-child { animation-delay: 0.11s; }
@keyframes flameFlicker { from { transform: scaleY(0.55); } to { transform: scaleY(1.1); } }
/* diagnostic scan line sweeping the suit */
#suitSvg .scanline {
  stroke: rgba(165, 227, 255, 0.55); stroke-width: 1;
  animation: scanSweep 4s linear infinite;
}
@keyframes scanSweep {
  0% { transform: translateY(4px); opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { transform: translateY(232px); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  #buddy, #suitSvg .s-joint, #suitSvg .s-reactor, #suitSvg .s-repulsor,
  #suitSvg .flames path, #suitSvg .scanline { animation: none; }
  #suitSvg .scanline { display: none; }
}
.buddy-bubble {
  position: absolute; bottom: calc(100% + 12px); left: 6px;
  min-width: 170px; padding: 0.55rem 0.85rem;
  background: rgba(15, 21, 34, 0.95); border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 12px 12px 12px 3px;
  font-size: 0.8rem; color: var(--text); line-height: 1.4;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.buddy-bubble.show { opacity: 1; transform: none; }
/* smaller suit where the side gutter is tight */
@media (max-width: 1150px) { #buddy { width: 90px; } }
/* hide the suit on phones/tablets and any touch-first device */
@media (hover: none), (pointer: coarse), (max-width: 760px) { #buddy { display: none !important; } }

/* ---------- Back to top ---------- */
#toTop {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 50px; height: 50px; padding: 0; border-radius: 50%;
  background: rgba(15, 21, 34, 0.85); border: 1px solid var(--card-border);
  cursor: pointer; color: var(--accent);
  opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.25s;
  backdrop-filter: blur(6px);
}
#toTop.show { opacity: 1; transform: none; pointer-events: auto; }
#toTop:hover { border-color: var(--accent); }
#toTop svg { display: block; width: 100%; height: 100%; }
#toTop .ring-bg { fill: none; stroke: rgba(255, 255, 255, 0.08); stroke-width: 2.5; }
#toTopRing {
  fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round;
  transform: rotate(-90deg); transform-origin: center;
}
#toTop .arrow { fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Blog page (zig-zag timeline) ---------- */
.blog-hero { padding-top: 8rem; min-height: 100vh; }
.blog-timeline { position: relative; max-width: 1060px; margin: 0 auto; }
.blog-timeline::before {
  content: ""; position: absolute; left: 50%; top: 8px; bottom: 8px; width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
  opacity: 0.35;
}
.post-row { position: relative; width: calc(50% - 44px); margin-bottom: 2.2rem; }
.post-row.right { margin-left: auto; }
/* dot on the spine + connector to the card */
.post-dot {
  position: absolute; top: 22px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent); z-index: 1;
}
.post-row.left .post-dot { right: -52px; }
.post-row.right .post-dot { left: -52px; }
.post-row::after {
  content: ""; position: absolute; top: 29px; width: 44px; height: 2px;
  background: rgba(56, 189, 248, 0.25);
}
.post-row.left::after { right: -44px; }
.post-row.right::after { left: -44px; }
/* date pill floats on the opposite side of the spine */
.post-date {
  position: absolute; top: 19px; z-index: 1;
  display: inline-flex; align-items: center; gap: 0.45rem; white-space: nowrap;
  color: var(--accent); font-size: 0.82rem; font-weight: 600;
  background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.32rem 0.85rem; border-radius: 999px;
}
.post-row.left .post-date { left: calc(100% + 72px); }
.post-row.right .post-date { right: calc(100% + 72px); }
.post-card { padding: 0; overflow: hidden; }
.post-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  width: 100%; padding: 1.2rem 1.5rem; background: none; border: 0;
  cursor: pointer; text-align: left; font-family: inherit; color: var(--text);
}
.post-head { min-width: 0; }
.post-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.55rem; }
.post-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.post-tag {
  font-size: 0.72rem; padding: 0.18rem 0.65rem; border-radius: 999px;
  background: rgba(129, 140, 248, 0.12); color: #a5b4fc;
  border: 1px solid rgba(129, 140, 248, 0.28);
}
.post-toggle .chev { color: var(--text-dim); flex-shrink: 0; transition: transform 0.3s; }
.post-card.open .post-toggle .chev { transform: rotate(180deg); }
.post-content {
  display: none; padding: 0 1.5rem 1.5rem;
  color: var(--text-dim); font-size: 0.95rem; line-height: 1.7;
  overflow-wrap: break-word;
}
.post-card.open .post-content { display: block; }
/* single column on small screens */
@media (max-width: 860px) {
  .blog-timeline::before { left: 8px; transform: none; }
  .post-row, .post-row.right { width: auto; margin-left: 0; padding-left: 2.3rem; }
  .post-row::after { display: none; }
  .post-row.left .post-dot, .post-row.right .post-dot { left: 0; right: auto; }
  .post-row.left .post-date, .post-row.right .post-date {
    position: static; margin: 0 0 0.6rem 0;
  }
}
/* tame legacy blogger markup */
.post-content b, .post-content strong { color: var(--text); }
.post-content a { color: var(--accent); }
.post-content img {
  max-width: 100%; height: auto; border-radius: 10px;
  border: 1px solid var(--card-border); background: #fff; margin: 0.6rem 0;
}
.post-content pre, .post-content code, .post-content tt {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06); border-radius: 6px;
}
.post-content pre {
  padding: 1rem; overflow-x: auto; border: 1px solid var(--card-border); margin: 0.8rem 0;
}
.post-content code, .post-content tt { padding: 0.1em 0.4em; }
.post-content table { max-width: 100%; overflow-x: auto; display: block; border-collapse: collapse; }
.post-content td, .post-content th { border: 1px solid var(--card-border); padding: 0.4rem 0.7rem; }
.post-content div, .post-content span { background: transparent !important; color: inherit !important; }
.post-content h1, .post-content h2, .post-content h3, .post-content h4 {
  color: var(--text); margin: 1.2rem 0 0.5rem;
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .caret, .hero-scroll, .hero-status::before { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .skills-grid, .projects-grid, .other-projects { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.85rem; }
}
@media (max-width: 640px) {
  .nav-links {
    position: fixed; top: 58px; right: 0; left: 0;
    flex-direction: column; align-items: center; gap: 0;
    background: rgba(11, 15, 23, 0.97); border-bottom: 1px solid var(--card-border);
    max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
  }
  .nav-links.open { max-height: 440px; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 0.9rem; }
  .nav-burger { display: block; }
  .cmdk-hint { display: none; }
  .skills-grid, .projects-grid, .other-projects, .contact-grid, .stats-grid { grid-template-columns: 1fr; }
  .carousel-btn.prev { left: -6px; }
  .carousel-btn.next { right: -6px; }
  .section { padding: 4rem 1.2rem; }
  .chat-log { max-height: 240px; }
}