/* =========================================================
   Vishal Mahendra — Analytics Engineer
   Clean, modern portfolio with smooth animations
   Type: Instrument Sans (display) · Inter (body) · JetBrains Mono (data)
   ========================================================= */

:root {
  --bg:        #FFFFFF;
  --bg-2:      #F8F9FA;
  --surface:   #FFFFFF;
  --surface-2: #FAFBFC;
  --line:      rgba(0,0,0,.08);
  --line-2:    rgba(0,0,0,.12);
  --ink:       #111111;
  --ink-2:     #555555;
  --ink-3:     #888888;
  --accent:    #2563EB;
  --accent-600:#1D4ED8;
  --accent-weak:rgba(37,99,235,.08);
  --accent-ink:#FFFFFF;
  --tier-bronze:#9A7B5F;
  --tier-silver:#7A7D82;
  --tier-gold:  #B8943D;
  --card:      #111111;
  --card-ink:  #F5F5F5;
  --card-ink-2:#A0A0A0;
  --card-line: rgba(255,255,255,.15);
  --radius:    8px;
  --radius-sm: 6px;
  --maxw:      1200px;
  --ff-display:'Google Sans', 'Google Sans Text', system-ui, sans-serif;
  --ff-body:   'Google Sans Text', system-ui, -apple-system, sans-serif;
  --ff-mono:   'Google Sans Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--ff-body); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 600; color: var(--ink); }
.accent { color: var(--accent); }
.muted { color: var(--ink-3); }
.mono { font-family: var(--ff-mono); }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { left: 16px; top: 12px; }

/* subtle grid backdrop */
.backdrop {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(rgba(0,0,0,.03) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, rgba(0,0,0,.03) 1px, transparent 1px) 0 0 / 64px 100%;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 50%);
}

/* labels */
.eyebrow, .index { font-family: var(--ff-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 500; }
.pill { display: inline-flex; align-items: center; gap: 8px; font-family: var(--ff-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 7px 13px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; }
.dot--pulse { animation: pulse 1.9s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--ff-body); font-weight: 500; font-size: .94rem; padding: 14px 28px; border-radius: var(--radius-sm); border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); transition: all .25s cubic-bezier(0.4, 0, 0.2, 1); cursor: pointer; position: relative; overflow: hidden; }
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity .25s ease;
}
.btn:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.btn:hover::before { opacity: 1; }
.btn--primary { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 500; }
.btn--primary:hover { background: var(--accent); border-color: var(--accent); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--sm { padding: 10px 18px; font-size: .88rem; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark { display: grid; place-content: center; width: 36px; height: 36px; border-radius: var(--radius-sm); background: var(--ink); color: #fff; font-family: var(--ff-mono); font-weight: 600; font-size: .85rem; }
.brand__id { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--ff-display); font-weight: 600; font-size: 1rem; letter-spacing: -.005em; }
.brand__tag { font-family: var(--ff-mono); font-size: .6rem; letter-spacing: .1em; color: var(--ink-3); }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a { position: relative; font-size: .92rem; color: var(--ink-2); padding: 8px 16px; transition: color .2s ease; }
.nav__links a::after { content: ''; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1); border-radius: 1px; }
.nav__links a:hover { color: var(--ink); }
.nav__links a.is-active { color: var(--ink); font-weight: 500; }
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 38px; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-sm); cursor: pointer; }
.nav__toggle span { width: 18px; height: 1.5px; background: var(--ink); }

/* section */
.section { padding: 120px 0; position: relative; }
.section--tint { background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { margin-bottom: 64px; max-width: 64ch; }
.section__title { font-family: var(--ff-display); font-weight: 600; font-size: clamp(2rem, 3.5vw, 2.8rem); letter-spacing: -.025em; margin-top: 16px; line-height: 1.15; }
.section__sub { color: var(--ink-2); margin-top: 16px; font-size: 1.08rem; line-height: 1.65; }

/* subtle gradient accent */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

/* hero */
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; padding: 140px 0 100px; position: relative; }
.hero__eyebrow { margin-bottom: 26px; }
.hero__title { font-family: var(--ff-display); font-weight: 600; font-size: clamp(3rem, 6vw, 4.8rem); line-height: 1.02; letter-spacing: -.03em; }
.hero__sub { color: var(--ink-2); font-size: 1.15rem; max-width: 50ch; margin: 24px 0 36px; line-height: 1.7; }
.hero__skills { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.skill-tag { font-family: var(--ff-mono); font-size: .75rem; color: var(--ink-2); background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 14px; transition: all .2s ease; }
.skill-tag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-weak); }
.hero__stats { display: grid; grid-template-columns: repeat(3, auto); gap: 48px; padding: 32px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.hstat__num { display: block; font-family: var(--ff-display); font-weight: 600; font-size: 1.9rem; letter-spacing: -.02em; color: var(--ink); }
.hstat__label { font-family: var(--ff-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- architecture card — terminal panel, sharp corners ---------- */
.arch { background: var(--card); color: var(--card-ink); border: 1px solid var(--card-line); border-radius: var(--radius); padding: 22px; }
.arch__bar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; margin-bottom: 6px; border-bottom: 1px solid var(--card-line); }
.arch__bar .k { font-family: var(--ff-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--card-ink-2); }
.arch__live { font-family: var(--ff-mono); font-size: .62rem; letter-spacing: .12em; color: #4ADE80; display: flex; align-items: center; gap: 7px; }
.arch__row { border: 1px solid var(--card-line); border-radius: var(--radius-sm); padding: 12px 14px; margin-top: 10px; background: rgba(255,255,255,.03); }
.arch__row .k { font-family: var(--ff-mono); font-size: .58rem; letter-spacing: .1em; text-transform: uppercase; color: #93AAFB; }
.arch__row .v { font-weight: 500; font-size: .93rem; margin-top: 2px; color: var(--card-ink); }
.arch__conn { text-align: center; color: var(--card-ink-2); font-size: .8rem; line-height: .6; padding: 3px 0; }
.arch__nodes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.arch__node { border: 1px solid var(--card-line); border-radius: var(--radius-sm); padding: 11px 10px; text-align: center; background: rgba(255,255,255,.03); }
.arch__node:nth-child(1) .n { color: var(--tier-bronze); }
.arch__node:nth-child(2) .n { color: var(--tier-silver); }
.arch__node.is-gold { border-color: rgba(147,170,251,.5); background: rgba(147,170,251,.1); }
.arch__node.is-gold .n { color: #93AAFB; }
.arch__node .n { font-weight: 600; font-size: .78rem; }
.arch__node .s { font-family: var(--ff-mono); font-size: .56rem; color: var(--card-ink-2); text-transform: uppercase; letter-spacing: .06em; }
.arch__foot { color: var(--card-ink-2); font-size: .78rem; margin-top: 14px; }
.arch__row, .arch__nodes { opacity: 0; transform: translateY(6px); }
.arch.is-in .arch__row, .arch.is-in .arch__nodes { animation: archIn .5s ease forwards; }
.arch.is-in .arch__row:nth-of-type(3){animation-delay:.1s}
.arch.is-in .arch__nodes{animation-delay:.2s}
@keyframes archIn { to { opacity: 1; transform: none; } }
.arch.is-in .arch__conn { animation: connPulse 2.6s ease-in-out infinite; }
.arch.is-in .arch__conn:nth-of-type(4) { animation-delay: .5s; }
.arch.is-in .arch__conn:last-of-type { animation-delay: 1s; }
@keyframes connPulse { 0%, 45%, 100% { opacity: .4; color: var(--card-ink-2); } 20% { opacity: 1; color: #93AAFB; } }

/* focus grid */
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.focus { background: var(--surface); padding: 36px 32px; transition: all .3s ease; position: relative; }
.focus::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .3s ease;
}
.focus:hover { background: var(--bg-2); transform: translateY(-2px); }
.focus:hover::before { transform: scaleX(1); }
.focus h4 { font-family: var(--ff-display); font-weight: 600; font-size: 1.2rem; margin-bottom: 12px; letter-spacing: -.01em; }
.focus p { color: var(--ink-2); font-size: .96rem; line-height: 1.65; }
.focus .n { font-family: var(--ff-mono); font-size: .7rem; color: var(--accent); letter-spacing: .08em; font-weight: 500; }

/* card */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; transition: all .3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden; }
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}
.card:hover { border-color: var(--line-2); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.card:hover::before { opacity: 1; }
.project { display: flex; flex-direction: column; }
.project__meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.project__cat { font-family: var(--ff-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.project__num { font-family: var(--ff-mono); font-size: .78rem; color: var(--accent); }
.project h3 { font-family: var(--ff-display); font-weight: 600; font-size: 1.4rem; letter-spacing: -.01em; margin-bottom: 12px; line-height: 1.3; }
.project p { color: var(--ink-2); font-size: 1rem; line-height: 1.65; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0; }
.tags li { list-style: none; font-family: var(--ff-mono); font-size: .66rem; color: var(--ink-2); background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 9px; }
.metrics { display: flex; flex-wrap: wrap; gap: 0; margin-top: auto; padding-top: 6px; border-top: 1px solid var(--line); margin-top: 18px; }
.metric { flex: 1; padding: 12px 12px 0; }
.metric b { display: block; font-family: var(--ff-display); font-weight: 600; color: var(--ink); font-size: 1.02rem; }
.metric span { font-family: var(--ff-mono); font-size: .6rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
.project__links { display: flex; align-items: center; gap: 16px; margin-top: 18px; flex-wrap: wrap; }
.project__links a { font-family: var(--ff-mono); font-size: .76rem; color: var(--ink-2); border-bottom: 1px solid transparent; transition: .15s; }
.project__links a:hover { color: var(--accent); border-color: var(--accent); }
.project__links a.btn { font-family: var(--ff-body); border-bottom: none; }
.project__links a.btn--primary { color: #fff; }
.project__links a.btn--primary:hover { color: #fff; border-color: transparent; }

/* demo */
.demo { display: grid; grid-template-columns: .85fr 1.15fr; gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.03); }
.demo__body { padding: 36px; }
.demo__badge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--ff-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--accent-weak); border-radius: var(--radius-sm); padding: 8px 14px; margin-bottom: 18px; font-weight: 500; }
.demo h3 { font-family: var(--ff-display); font-weight: 600; font-size: 1.8rem; margin-bottom: 16px; letter-spacing: -.015em; line-height: 1.2; }
.demo p { color: var(--ink-2); font-size: 1rem; line-height: 1.7; }
.demo__frame { border-left: 1px solid var(--line); background: var(--bg-2); min-height: 460px; position: relative; }
.demo__frame iframe { width: 100%; height: 100%; min-height: 560px; border: 0; display: block; }
.demo__url { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); font-family: var(--ff-mono); font-size: .6rem; color: var(--ink-3); background: rgba(255,255,255,.92); padding: 3px 10px; border-radius: var(--radius-sm); border: 1px solid var(--line); z-index: 2; pointer-events: none; }

/* filter chips */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.chip { font-family: var(--ff-mono); font-size: .8rem; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 10px 18px; cursor: pointer; transition: all .2s ease; display: inline-flex; align-items: center; gap: 8px; }
.chip:hover { border-color: var(--ink); color: var(--ink); background: var(--bg-2); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip .count { font-size: .72rem; opacity: .7; }
.is-hidden { display: none !important; }

/* skills */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.skill { background: var(--surface); padding: 28px 24px; }
.skill h4 { font-family: var(--ff-mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; font-weight: 500; }
.skill ul { list-style: none; display: grid; gap: 10px; }
.skill li { color: var(--ink-2); font-size: .94rem; line-height: 1.5; }
/* facts */
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.fact { background: var(--surface); padding: 28px 24px; }
.fact h4 { font-family: var(--ff-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 16px; font-weight: 500; }
.fact ul { list-style: none; display: grid; gap: 10px; }
.fact li { color: var(--ink-2); font-size: .94rem; line-height: 1.5; }

/* prose */
.prose { max-width: 65ch; }
.prose p { color: var(--ink-2); margin-bottom: 18px; font-size: 1.05rem; line-height: 1.7; }

/* how grid */
.how { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 16px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.how li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; padding: 24px; background: var(--surface); }
.how .n { font-family: var(--ff-mono); color: var(--accent); font-size: .82rem; font-weight: 500; }

/* work grid */
.work-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.work-grid .card { border: 0; border-radius: 0; }

/* ---------- pet (Shiro) ---------- */
.pet { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 88px 0; min-height: 68vh; }
.pet h1 { font-family: var(--ff-display); font-weight: 600; font-size: clamp(2.8rem, 6.4vw, 4.6rem); letter-spacing: -.015em; margin: 14px 0; }
.pet p { color: var(--ink-2); font-size: 1.12rem; margin-bottom: 26px; }
.pet__photo { position: relative; }
.pet__photo img { width: 100%; border-radius: var(--radius); display: block; border: 1px solid var(--line); }
.pet__placeholder { aspect-ratio: 4/5; border-radius: var(--radius); border: 1px dashed var(--line-2); background: var(--bg-2); display: grid; place-content: center; text-align: center; gap: 8px; padding: 40px; }
.pet__placeholder .big { font-family: var(--ff-display); font-weight: 600; font-size: 1.9rem; color: var(--ink-3); }
.pet__placeholder code { font-family: var(--ff-mono); font-size: .8rem; color: var(--accent); background: var(--accent-weak); padding: 2px 8px; border-radius: var(--radius-sm); }

/* ---------- resume viewer ---------- */
.resume__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 26px; }
.resume__actions { display: flex; gap: 12px; }
.resume__viewer { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); position: relative; min-height: 600px; }
.resume__viewer iframe { width: 100%; height: 100%; min-height: 700px; border: 0; display: block; }
.resume__fallback { position: absolute; inset: 0; display: grid; place-content: center; gap: 16px; text-align: center; padding: 40px; background: var(--surface); z-index: 1; }
.resume__fallback { display: none; }
@media (max-width: 768px) {
  .resume__viewer iframe { display: none; }
  .resume__fallback { display: grid; }
}

/* ---------- footer ---------- */
.footer { background: var(--card); color: var(--card-ink); padding: 64px 0 28px; margin-top: 40px; }
.footer .brand__name { color: var(--card-ink); }
.footer .brand__mark { background: #fff; color: var(--card); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--card-line); }
.footer__brand p { color: var(--card-ink-2); font-size: .92rem; margin: 16px 0; max-width: 40ch; }
.footer__email { font-weight: 500; border-bottom: 1px solid var(--card-line); padding-bottom: 3px; }
.footer__email:hover { color: #93AAFB; border-color: #93AAFB; }
.footer__col h4 { font-family: var(--ff-mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--card-ink-2); margin-bottom: 16px; }
.footer__col a { display: block; color: var(--card-ink); font-size: .92rem; margin-bottom: 10px; transition: color .15s; }
.footer__col a:hover { color: #93AAFB; }
.footer__base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-family: var(--ff-mono); font-size: .7rem; color: var(--card-ink-2); }

/* reveal animation with stagger */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal:nth-child(1) { transition-delay: 0ms; }
.reveal:nth-child(2) { transition-delay: 100ms; }
.reveal:nth-child(3) { transition-delay: 200ms; }
.reveal:nth-child(4) { transition-delay: 300ms; }
.reveal:nth-child(5) { transition-delay: 400ms; }
.reveal:nth-child(6) { transition-delay: 500ms; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 44px; padding: 72px 0 52px; }
  .work-grid, .skills, .how, .facts { grid-template-columns: 1fr; }
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .demo { grid-template-columns: 1fr; }
  .demo__frame { border-left: 0; border-top: 1px solid var(--line); }
  .pet { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .pet__photo { max-width: 420px; margin: 0 auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__links { position: fixed; inset: 74px 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px; background: var(--bg); border-bottom: 1px solid var(--line); padding: 14px 24px 22px; transform: translateY(-140%); transition: transform .3s ease; }
  .nav__links.open { transform: none; }
  .nav__links a { padding: 12px 14px; }
  .nav__links a::after { display: none; }
}
@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .hero__stats { grid-template-columns: 1fr; gap: 16px; }
  .focus-grid, .footer__grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal, .arch__row, .arch__nodes, .arch__conn { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}