/* Voltsoft — design tokens */
:root {
  --bg: #06070b;
  --bg-2: #0b0d13;
  --bg-3: #11141c;
  --card: rgba(255, 255, 255, 0.035);
  --card-hover: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #eef1f6;
  --muted: #9aa3b4;
  --dim: #7f889b;
  --volt: #c8ff3e;
  --cyan: #3ee2ff;
  --violet: #8d63ff;
  --grad: linear-gradient(100deg, var(--volt) 0%, var(--cyan) 55%, var(--violet) 100%);
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1200px;
  --font: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; color: var(--muted); }
h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.1; letter-spacing: -0.025em; font-weight: 700; color: var(--text); }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.2rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.035em; }
h3 { font-size: 1.25rem; }
ul { padding: 0; margin: 0; list-style: none; }
::selection { background: var(--volt); color: #000; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--volt); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 16px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--volt); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--volt); box-shadow: 0 0 12px var(--volt); }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 680px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px; font-weight: 600; font-size: .98rem;
  border: 1px solid var(--line-strong); transition: transform .2s, background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); border-color: var(--text); }
.btn-primary { background: var(--volt); color: #05060a; border-color: var(--volt); box-shadow: 0 0 0 0 rgba(200,255,62,.4); }
.btn-primary:hover { box-shadow: 0 10px 40px -8px rgba(200,255,62,.55); border-color: var(--volt); }
.btn-ghost { background: rgba(255,255,255,.03); backdrop-filter: blur(8px); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Header */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 7, 11, 0.72); backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.hdr.scrolled { border-bottom-color: var(--line); }
.hdr .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.2rem; letter-spacing: -0.03em; }
.logo svg { width: 32px; height: 32px; }
.logo span b { font-weight: 400; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 12px; border-radius: 999px; font-size: .92rem; color: var(--muted); transition: color .2s, background .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: rgba(255,255,255,.05); }
.nav .nav-cta { display: none; }
.hdr-cta { display: flex; align-items: center; gap: 10px; }
.lang { font-family: var(--mono); font-size: .8rem; padding: 7px 11px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--muted); }
.lang:hover { color: var(--text); border-color: var(--text); }
.hdr .btn { padding: 10px 18px; font-size: .9rem; }
.burger { display: none; background: none; border: 1px solid var(--line-strong); color: var(--text); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; }
.burger span { display: block; width: 18px; height: 2px; background: currentColor; margin: 4px auto; transition: transform .25s, opacity .25s; }

@media (max-width: 1180px) {
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; padding: 12px 16px 24px; background: rgba(6,7,11,.98); border-bottom: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s; gap: 2px; max-height: calc(100vh - 72px); overflow-y: auto; }
  .nav a { padding: 14px 12px; font-size: 1.05rem; border-radius: 10px; }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav .nav-cta { display: block; margin-top: 10px; text-align: center; background: var(--volt); color: #05060a; font-weight: 600; }
  .burger { display: block; }
  body.menu-open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.menu-open .burger span:nth-child(2) { opacity: 0; }
  body.menu-open .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* Hero */
.hero { position: relative; padding: 120px 0 96px; overflow: hidden; isolation: isolate; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .7; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 120%; z-index: -2;
  background:
    radial-gradient(40% 50% at 20% 30%, rgba(200,255,62,.13), transparent 70%),
    radial-gradient(35% 45% at 80% 20%, rgba(62,226,255,.13), transparent 70%),
    radial-gradient(40% 50% at 60% 80%, rgba(141,99,255,.12), transparent 70%);
  filter: blur(20px);
}
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 160px; background: linear-gradient(transparent, var(--bg)); z-index: -1; }
.hero h1 { max-width: 15ch; margin-bottom: 24px; }
.hero .lead { margin-bottom: 36px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 48px; }
.chip { display: inline-flex; align-items: center; gap: 8px; font-size: .86rem; color: var(--muted); padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.02); }
.chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.page-hero { padding: 72px 0 32px; }
.page-hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.4rem); max-width: 20ch; }
@media (max-width: 640px) {
  .hero { padding: 72px 0 64px; }
  .page-hero { padding: 48px 0 8px; }
  .section { padding: 80px 0; }
  .section-sm { padding: 48px 0; }
  .wrap { padding: 0 16px; }
}
.crumbs { font-family: var(--mono); font-size: .78rem; color: var(--dim); margin-bottom: 24px; display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a:hover { color: var(--text); }

/* Marquee */
.marquee { border-block: 1px solid var(--line); padding: 22px 0; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 40s linear infinite; }
.marquee span { font-family: var(--mono); font-size: .9rem; color: var(--dim); white-space: nowrap; }
.marquee span::before { content: "◆ "; color: var(--volt); opacity: .6; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Sections */
.section { padding: 112px 0; position: relative; }
.section-sm { padding: 72px 0; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }
.alt { background: var(--bg-2); border-block: 1px solid var(--line); }

/* Cards & grids */
.grid { display: grid; gap: 18px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

.card {
  position: relative; padding: 30px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
  transition: border-color .3s, background .3s, transform .3s;
  overflow: hidden;
}
.card:hover { border-color: var(--line-strong); background: var(--card-hover); }
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(200,255,62,.16), rgba(62,226,255,.12)); border: 1px solid rgba(200,255,62,.25);
  color: var(--volt);
}
.card .ico svg { width: 22px; height: 22px; }
.card .num { font-family: var(--mono); font-size: .8rem; color: var(--dim); position: absolute; top: 26px; right: 28px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; font-size: .92rem; color: var(--volt); }
.card-link:hover { gap: 10px; }
.card.glow::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(200,255,62,.09), transparent 45%);
  opacity: 0; transition: opacity .3s;
}
.card.glow:hover::after { opacity: 1; }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.bento .card:nth-child(1) { grid-column: span 3; }
.bento .card:nth-child(2) { grid-column: span 3; }
.bento .card:nth-child(n+3) { grid-column: span 2; }
@media (max-width: 960px) { .bento .card { grid-column: span 3 !important; } }
@media (max-width: 640px) { .bento .card { grid-column: span 6 !important; } }
.bento .card.feature { background: linear-gradient(160deg, rgba(200,255,62,.08), rgba(62,226,255,.04) 50%, rgba(255,255,255,.02)); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.tag { font-family: var(--mono); font-size: .72rem; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }

/* Scenario cards */
.scn { display: flex; flex-direction: column; }
.scn .dept { font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--cyan); margin-bottom: 14px; }
.scn dl { margin: 18px 0 0; display: grid; gap: 14px; }
.scn dt { font-size: .74rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--dim); margin-bottom: 2px; }
.scn dd { margin: 0; color: var(--muted); font-size: .95rem; }
.scn .kpi { margin-top: auto; padding-top: 18px; border-top: 1px dashed var(--line-strong); display: flex; gap: 10px; align-items: baseline; }
.scn .kpi b { color: var(--volt); font-weight: 600; font-size: .95rem; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.filters button { font: inherit; font-size: .88rem; padding: 9px 16px; border-radius: 999px; background: transparent; color: var(--muted); border: 1px solid var(--line-strong); cursor: pointer; transition: all .2s; }
.filters button[aria-pressed="true"], .filters button:hover { background: var(--text); color: #000; border-color: var(--text); }
[data-dept][hidden] { display: none !important; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); position: relative; }
.step::before { counter-increment: s; content: "0" counter(s); font-family: var(--mono); font-size: .85rem; color: var(--volt); display: block; margin-bottom: 40px; }
.step::after { content: ""; position: absolute; top: 38px; left: 64px; right: 24px; height: 1px; background: linear-gradient(90deg, var(--line-strong), transparent); }
.step .dur { font-family: var(--mono); font-size: .78rem; color: var(--cyan); margin-bottom: 8px; display: block; }

/* Packages */
.pkg { display: flex; flex-direction: column; }
.pkg.hot { border-color: rgba(200,255,62,.4); background: linear-gradient(180deg, rgba(200,255,62,.07), rgba(255,255,255,.02)); }
.pkg .badge { position: absolute; top: 22px; right: 22px; font-family: var(--mono); font-size: .7rem; background: var(--volt); color: #000; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.pkg .price { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; margin: 6px 0 4px; color: var(--text); }
.pkg .sub { font-size: .88rem; color: var(--dim); margin-bottom: 20px; }
.checks { display: grid; gap: 10px; margin: 8px 0 24px; }
.checks li { position: relative; padding-left: 28px; color: var(--muted); font-size: .95rem; }
.checks li::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: rgba(200,255,62,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%23c8ff3e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }
.pkg .btn { margin-top: auto; justify-content: center; }

/* Split / prose */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 40px; } }
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-top: 2em; }
.prose h3 { margin-top: 1.6em; }
.prose ul { list-style: none; margin: 0 0 1.2em; display: grid; gap: 8px; }
.prose li { color: var(--muted); padding-left: 22px; position: relative; }
.prose li::before { content: "→"; position: absolute; left: 0; color: var(--volt); }
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.note { font-size: .85rem; color: var(--dim); border-left: 2px solid var(--line-strong); padding-left: 14px; margin-top: 24px; }

/* Stack visual */
.stackviz { border-radius: var(--radius); border: 1px solid var(--line); background: var(--bg-3); padding: 12px; font-family: var(--mono); font-size: .85rem; }
.stackviz .layer { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 12px; border: 1px solid var(--line); margin: 8px; background: rgba(255,255,255,.02); color: var(--muted); transition: all .3s; }
.stackviz .layer:hover { border-color: var(--volt); color: var(--text); transform: translateX(6px); }
.stackviz .layer b { color: var(--text); font-weight: 600; }
.stackviz .layer em { font-style: normal; color: var(--dim); font-size: .75rem; text-align: right; }

/* Portfolio */
.pf { display: flex; flex-direction: column; min-height: 100%; }
.pf .cat { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--violet); margin-bottom: 14px; filter: brightness(1.4); }
.pf .vis { aspect-ratio: 16 / 9; margin: -30px -30px 24px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; background: var(--bg-3); }
.pf .vis svg { width: 100%; height: 100%; }
.pf a.ext { margin-top: auto; padding-top: 16px; font-size: .9rem; color: var(--cyan); }

/* Umbrella band */
.umbrella { border-radius: 28px; border: 1px solid var(--line); overflow: hidden; display: grid; grid-template-columns: 1fr 1fr; background: var(--bg-2); }
.umbrella > div { padding: 48px; }
.umbrella > div + div { border-left: 1px solid var(--line); background: linear-gradient(160deg, rgba(62,226,255,.06), transparent 60%); }
.umbrella .brand { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 6px; }
.umbrella .brand small { display: block; font-family: var(--mono); font-size: .75rem; color: var(--dim); font-weight: 400; letter-spacing: .1em; text-transform: uppercase; margin-top: 4px; }
@media (max-width: 800px) { .umbrella { grid-template-columns: 1fr; } .umbrella > div + div { border-left: 0; border-top: 1px solid var(--line); } .umbrella > div { padding: 32px; } }

/* FAQ */
.faq { max-width: 860px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 24px 40px 24px 0; font-weight: 600; font-size: 1.08rem; position: relative; color: var(--text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; font-weight: 300; color: var(--volt); transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details > div { padding: 0 0 24px; }

/* CTA */
.cta {
  position: relative; border-radius: 32px; padding: 80px 48px; text-align: center; overflow: hidden; isolation: isolate;
  border: 1px solid rgba(200,255,62,.25);
  background: radial-gradient(60% 120% at 50% 0%, rgba(200,255,62,.16), transparent 70%), var(--bg-2);
}
.cta h2 { max-width: 18ch; margin: 0 auto 18px; }
.cta .lead { margin: 0 auto 32px; }
.cta .btn-row { justify-content: center; }
@media (max-width: 640px) { .cta { padding: 56px 24px; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: .88rem; color: var(--muted); }
.form input, .form textarea, .form select {
  font: inherit; color: var(--text); background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.32);
  border-radius: 12px; padding: 13px 15px; transition: border-color .2s;
}
.form input:focus-visible, .form textarea:focus-visible, .form select:focus-visible { outline: none; border-color: var(--volt); box-shadow: 0 0 0 3px rgba(200,255,62,.35); }
.form textarea { min-height: 140px; resize: vertical; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form .row2 { grid-template-columns: 1fr; } }
.clist { display: grid; gap: 4px; }
.clist a, .clist div { display: flex; gap: 14px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.clist a:hover { color: var(--text); }
.clist b { display: block; color: var(--text); font-weight: 600; }

/* Footer */
.ftr { border-top: 1px solid var(--line); padding: 72px 0 36px; margin-top: 40px; background: var(--bg-2); }
.ftr-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 900px) { .ftr-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ftr-grid { grid-template-columns: 1fr; } }
.ftr h4 { font-size: .78rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--dim); font-weight: 500; margin-bottom: 16px; }
.ftr li { margin-bottom: 10px; }
.ftr li a { color: var(--muted); font-size: .94rem; display: inline-block; padding: 4px 0; }
.ftr li a:hover { color: var(--text); }
.ftr .sister { margin-top: 20px; display: inline-flex; gap: 10px; align-items: center; padding: 12px 16px; border: 1px solid var(--line); border-radius: 14px; font-size: .88rem; color: var(--muted); }
.ftr .sister:hover { border-color: var(--cyan); color: var(--text); }
.ftr-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: .82rem; color: var(--dim); }
.ftr-bottom a:hover { color: var(--text); }

/* Reveal */
.rv { transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.rv-on .rv:not(.in) { opacity: 0; transform: translateY(24px); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .btn:hover, .btn:hover .arr, .stackviz .layer:hover, .pf:hover .vis.photo img { transform: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Portfolio extras */
.pf .facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 2px; }
.pf .facts li { font-size: .78rem; font-weight: 600; color: var(--volt); background: rgba(200,255,62,.08); border: 1px solid rgba(200,255,62,.25); padding: 4px 10px; border-radius: 8px; }
.pf .vis.photo img { width: 100%; height: 100%; object-fit: cover; object-position: top; opacity: .92; transition: transform .6s, opacity .3s; }
.pf:hover .vis.photo img { transform: scale(1.04); opacity: 1; }
.pf .vis.photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 55%, rgba(6,7,11,.6)); }

.grid .step::before { content: none; }
.grid .step::after { display: none; }
.grid .step .dur { margin-bottom: 14px; }

/* Review fixes */
body.menu-open { overflow: hidden; }
.req { color: var(--volt); }
.form-status { margin: 0; padding: 12px 14px; border-radius: 12px; background: rgba(200,255,62,.08); border: 1px solid rgba(200,255,62,.3); color: var(--text); font-size: .92rem; }
.form-status a { color: var(--volt); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.faq summary:focus-visible { outline-offset: 6px; }
.burger:focus-visible { border-radius: 10px; }
@supports not ((-webkit-background-clip: text) or (background-clip: text)) { .grad { color: var(--volt); background: none; } }
@media (max-width: 640px) {
  .hero-chips .chip:nth-child(n+4) { display: none; }
  .hero .btn-row .btn, .cta .btn-row .btn { flex: 1 1 100%; justify-content: center; }
}

/* Animated architecture diagrams */
.arch { margin: 0; }
.arch-scroll { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-2); padding: 12px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.arch svg { display: block; width: 100%; min-width: 640px; height: auto; font-family: var(--font); }
.arch .at { fill: var(--text); font-size: 15px; font-weight: 600; }
.arch .as { fill: var(--dim); font-size: 11.5px; font-family: var(--mono); }
.arch .ak { font-size: 11px; font-family: var(--mono); letter-spacing: .08em; }
.arch figcaption { margin-top: 12px; max-width: 760px; }
.arch .aflow { stroke-dasharray: 3 13; animation: aflow 1.2s linear infinite; }
.arch .apulse { animation: apulse 2.8s ease-in-out infinite; }
.arch .ablink { animation: ablink 2.4s ease-in-out infinite; }
.arch .d2 { animation-delay: 1.2s; }
.arch .aring { transform-origin: 370px 170px; animation: aring 3s ease-out infinite; }
.arch .aspin { transform-origin: 370px 170px; animation: aspin 6s linear infinite; }
@keyframes aflow { to { stroke-dashoffset: -16; } }
@keyframes apulse { 50% { opacity: .7; } }
@keyframes ablink { 50% { opacity: .45; } }
@keyframes aring { from { transform: scale(.78); opacity: 1; } to { transform: scale(1.12); opacity: 0; } }
@keyframes aspin { to { transform: rotate(360deg); } }
.rv-on .arch:not(.in) * { animation-play-state: paused; }
@media (max-width: 700px) { .arch-scroll { padding: 8px; } }
@media (prefers-reduced-motion: reduce) {
  .arch *, .arch *::before { animation: none !important; }
  .arch .apk { display: none; }
}

/* Header CTA: short label on small screens, language link moves into the menu */
.l-short, .nav-lang { display: none; }
@media (max-width: 1180px) { .nav .nav-lang { display: block; color: var(--muted); } }
@media (max-width: 640px) {
  .hdr-cta .btn { padding: 10px 14px; font-size: .88rem; }
  .l-long { display: none; } .l-short { display: inline; }
  .hdr-cta .lang { display: none; }
}

/* Start options on home */
.door { display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.door p { flex: 1; }
.door .card-link { margin-top: 12px; }
.cta-note { margin: 14px 0 0; font-size: .85rem; color: var(--dim); }

/* Trust strip */
.marquee.trust .marquee-track span { color: var(--muted); }
.marquee.trust .marquee-track span::before { content: "◆"; color: var(--volt); margin-right: 14px; font-size: .7em; vertical-align: middle; }

/* Contact */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status.err { color: #ffc2cc; background: rgba(255,92,122,.08); border-color: rgba(255,92,122,.35); }
.next { margin: 12px 0 0; padding-left: 1.2em; color: var(--muted); line-height: 1.6; }
.next li { margin-bottom: 8px; }
.next li::marker { color: var(--volt); font-family: var(--mono); }

.sub-h { margin: 56px 0 20px; font-size: 1.25rem; color: var(--muted); font-weight: 600; }