/* yai-soft.com: "D1 dim graphite" from the Stitch design (project 13934230835495295680, screen
   136b86b70e7c46d292d31e35c50e2074). A mid-grey grid-paper page, grey cards, dark code panels.
   Logical properties only (inline-start/end), so the same CSS serves RTL Hebrew and LTR English. */

@font-face {
  font-family: "Rubik";
  font-style: normal;
  font-display: swap;
  font-weight: 300 900;
  src: url("/fonts/rubik-hebrew.woff2") format("woff2");
  unicode-range: U+0307-0308, U+0590-05FF, U+200C-2010, U+20AA, U+25CC, U+FB1D-FB4F;
}
@font-face {
  font-family: "Rubik";
  font-style: normal;
  font-display: swap;
  font-weight: 300 900;
  src: url("/fonts/rubik-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url("/fonts/jetbrains-mono-latin.woff2") format("woff2");
}

:root {
  /* Page */
  --bg: #d9dde3;
  --grid: #c9ced6;
  --band: #cfd4db;
  --card: #eceef1;
  --card-head: #e2e5ea;
  --line: #bfc5ce;
  --ink: #0b1220;
  --muted: #3f4856;
  /* #1d4ed8 rather than #2563eb: 4.9:1 on --bg, so small blue text passes AA */
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --on-accent: #ffffff;
  --ok: #166534;
  /* Code panels */
  --code-bg: #0f172a;
  --code-head: #111c33;
  --code-line: #1e293b;
  --code-fg: #e2e8f0;
  --code-dim: #94a3b8;
  --syn-kw: #c4b5fd;
  --syn-str: #86efac;
  --syn-fn: #93c5fd;
  --syn-num: #fcd34d;
  --syn-ok: #4ade80;

  --sans: "Rubik", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 6px;
  --page: 76rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; margin: 0; }
p { margin: 0; }
code, pre, .mono { font-family: var(--mono); }
/* Latin snippets inside Hebrew text keep their own direction */
[dir="ltr"] { unicode-bidi: isolate; }

.wrap { max-width: var(--page); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; inset-inline-start: 1rem; top: -100px; z-index: 100;
  background: var(--ink); color: #fff; padding: 0.75rem 1rem; border-radius: var(--radius);
  font-weight: 600; text-decoration: none;
}
.skip:focus { top: 1rem; color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--card); border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 4rem; }
.wordmark {
  font-weight: 700; font-size: 1.25rem; color: var(--ink); text-decoration: none;
  letter-spacing: -0.01em; white-space: nowrap;
}
.wordmark:hover { color: var(--ink); }
.main-nav { margin-inline-start: auto; }
.main-nav ul { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.main-nav a {
  display: inline-block; padding: 0.5rem 0.75rem; border-radius: var(--radius);
  color: var(--muted); text-decoration: none; font-size: 0.95rem;
}
.main-nav a:hover { color: var(--ink); background: var(--card-head); }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.lang-switch {
  font-family: var(--mono); font-size: 0.85rem; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.75rem; min-height: 2.75rem; padding-inline: 0.75rem;
  border: 1px solid var(--line); border-radius: var(--radius); background: #f7f8fa;
  color: var(--ink); text-decoration: none;
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent); }
.status-line { border-top: 1px solid var(--line); background: var(--card-head); }
.status-line .wrap {
  display: flex; gap: 1rem; min-height: 1.75rem; align-items: center;
  font-family: var(--mono); font-size: 0.75rem; color: var(--muted);
}
.dot { display: inline-block; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--ok); margin-inline-end: 0.4rem; vertical-align: 0.05em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 2.75rem; padding: 0.65rem 1.25rem; border-radius: var(--radius);
  font: 600 1rem/1.2 var(--sans); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn-outline { background: #f7f8fa; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { min-height: 2.75rem; padding: 0.5rem 1rem; font-size: 0.95rem; }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2rem, 5vw, 3.5rem); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.eyebrow-chip {
  display: inline-block; font-family: var(--mono); font-size: 0.8rem; color: var(--accent);
  background: #eef2fb; border: 1px solid #b9c8ee; border-radius: var(--radius); padding: 0.25rem 0.6rem;
  margin-block-end: 1.25rem;
}
.hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.5rem); font-weight: 700; letter-spacing: -0.02em; }
.hero h1 span { display: block; color: var(--accent); }
.lede { margin-block: 1.25rem 2rem; font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 36rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.badges { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin: 1.75rem 0 0; padding: 0; list-style: none; font-size: 0.9rem; color: var(--muted); }
.badges li::before { content: "✓"; color: var(--ok); margin-inline-end: 0.4rem; font-weight: 700; }

/* ---------- Code panels ---------- */
.code-stack { display: grid; gap: 1rem; min-width: 0; margin: 0; }
.panel-code {
  background: var(--code-bg); color: var(--code-fg); border: 1px solid #020617;
  border-radius: var(--radius); overflow: hidden; box-shadow: 0 12px 30px -12px rgba(11, 18, 32, 0.45);
}
.panel-code .bar {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.55rem 0.9rem;
  background: var(--code-head); border-bottom: 1px solid var(--code-line);
  font-family: var(--mono); font-size: 0.75rem; color: var(--code-dim); white-space: nowrap;
}
.lights { display: inline-flex; gap: 0.35rem; }
.lights i { width: 0.65rem; height: 0.65rem; border-radius: 50%; background: #ef4444; }
.lights i:nth-child(2) { background: #f59e0b; }
.lights i:nth-child(3) { background: #22c55e; }
.bar .tab { color: var(--code-fg); border-bottom: 2px solid var(--syn-fn); padding-block: 0.1rem; }
.bar .end { margin-inline-start: auto; }
.bar .online { color: var(--syn-ok); }
.panel-code pre {
  margin: 0; padding: 0.9rem 0; overflow-x: auto; font-size: 0.82rem; line-height: 1.7;
  counter-reset: ln; tab-size: 2;
}
.panel-code pre .l { display: block; padding-inline: 0.9rem; white-space: pre; }
.panel-code pre.numbered .l::before {
  counter-increment: ln; content: counter(ln); display: inline-block; width: 1.5rem;
  margin-inline-end: 1rem; text-align: end; color: #8391a7; user-select: none;
}
.k { color: var(--syn-kw); } .s { color: var(--syn-str); } .f { color: var(--syn-fn); }
.n { color: var(--syn-num); } .c { color: var(--code-dim); } .ok { color: var(--syn-ok); } .p { color: var(--syn-fn); }

/* ---------- Stack strip ---------- */
.stack { border-block: 1px solid var(--line); background: var(--band); }
.stack .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; padding-block: 1rem; }
.stack ul { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; margin: 0; padding: 0; }
.chip {
  font-family: var(--mono); font-size: 0.8rem; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 4px; padding: 0.2rem 0.6rem;
}
.stack-label { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); margin-inline-start: auto; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 0.6rem; margin-block-end: 2.5rem; max-width: 46rem; }
.section-meta { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; font-family: var(--mono); font-size: 0.8rem; }
.section-meta .num { color: var(--accent); font-weight: 600; }
.section-meta .path { color: var(--muted); }
.section-head h2 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); font-weight: 700; letter-spacing: -0.015em; }
.section-head p { color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; list-style: none; margin: 0; padding: 0; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; flex-direction: column; min-width: 0;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.7rem 1.1rem; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 0.78rem;
}
.card-head .file { color: var(--accent); font-weight: 600; }
.card-head .tag { color: var(--muted); border: 1px solid var(--line); border-radius: 4px; padding: 0.05rem 0.4rem; background: #f4f5f7; font-size: 0.7rem; }
.card-body { padding: 1.1rem; display: grid; gap: 0.5rem; flex: 1; align-content: start; }
.card h3 { font-size: 1.2rem; font-weight: 600; }
.card-body p { color: var(--muted); font-size: 0.98rem; }
.card-foot {
  margin: 0 1.1rem 1.1rem; padding: 0.45rem 0.7rem; border-radius: 4px;
  background: var(--code-bg); color: var(--code-fg); font-family: var(--mono); font-size: 0.78rem;
  overflow-x: auto; white-space: nowrap;
}
.card-foot::before { content: "> "; color: var(--syn-ok); }

/* Process: a commit log */
.log { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: 1rem; }
.log::before {
  content: ""; position: absolute; inset-block: 1.2rem; inset-inline-start: 0.55rem;
  border-inline-start: 2px solid var(--line);
}
.log li { position: relative; padding-inline-start: 2.5rem; }
.log li::before {
  content: ""; position: absolute; inset-inline-start: 0.1rem; top: 1.35rem; width: 1rem; height: 1rem;
  border-radius: 50%; background: var(--card); border: 3px solid var(--accent);
}
.log li:nth-child(2)::before { border-color: #6d28d9; }
.log li:nth-child(3)::before { border-color: #b45309; }
.log li:nth-child(4)::before { border-color: var(--ok); }
.commit { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; display: grid; gap: 0.4rem; }
.commit-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-family: var(--mono); font-size: 0.78rem; }
.commit-meta .hash { background: var(--code-bg); color: var(--code-fg); border-radius: 4px; padding: 0.1rem 0.45rem; }
.commit-meta .type { color: var(--accent); font-weight: 600; }
.commit-meta .stage { color: var(--muted); margin-inline-start: auto; }
.commit h3 { font-size: 1.15rem; font-weight: 600; }
.commit p { color: var(--muted); }

/* Why us: JSON cards */
.json {
  margin: 1.1rem 1.1rem 0; padding: 0.8rem 0.9rem; border-radius: 4px; background: var(--code-bg); color: var(--syn-str);
  font-family: var(--mono); font-size: 0.8rem; overflow-x: auto; white-space: pre;
}
.card .foot-mono { margin: 0 1.1rem 1.1rem; padding-top: 0.75rem; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }

/* CTA band */
.band { padding-block: 0 clamp(3.5rem, 8vw, 6rem); }
.band-inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; justify-content: space-between;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem clamp(1.25rem, 3vw, 2rem);
}
.band-cmd { font-family: var(--mono); font-weight: 600; font-size: 1.05rem; }
.band-cmd .cursor { display: inline-block; width: 0.55em; height: 1.1em; background: var(--accent); vertical-align: -0.2em; margin-inline-start: 0.25rem; animation: blink 1.1s steps(1) infinite; }
.band-text { color: var(--muted); margin-top: 0.25rem; }
@keyframes blink { 50% { opacity: 0; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 1.25rem; align-items: start; }
.response { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.response .card-head .status { color: var(--ok); font-weight: 600; }
.response .json { margin: 1.1rem; }
.response-text { padding: 0 1.1rem 1.25rem; display: grid; gap: 0.4rem; }
.response-text h3 { font-size: 1.15rem; }
.response-text p { color: var(--muted); }

.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.form-body { padding: 1.25rem; display: grid; gap: 1.1rem; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: 0.35rem; }
.field label { font-weight: 500; font-size: 0.95rem; }
.field .req { color: #b91c1c; margin-inline-start: 0.2rem; }
.field .hint { color: var(--muted); font-weight: 400; font-size: 0.85rem; margin-inline-start: 0.3rem; }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: #f9fafb;
  border: 1px solid #6b7280; border-radius: var(--radius); padding: 0.65rem 0.8rem; min-height: 2.9rem;
}
.field textarea { min-height: 8rem; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #5f6b7a; }
.field input:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.field input[dir="ltr"] { text-align: start; }
.hp { position: absolute; inset-inline-start: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; justify-content: space-between; }
.form-note { font-size: 0.85rem; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--card); }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; padding-block: 1.5rem; font-size: 0.9rem; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; list-style: none; margin: 0; padding: 0; margin-inline-start: auto; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.site-footer .rights { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); }

/* Text pages (accessibility, privacy, sent, error, 404) */
.doc { padding-block: clamp(3rem, 8vw, 5rem); }
.doc article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 3rem); max-width: 50rem; }
.doc h1 { font-size: clamp(2rem, 4.5vw, 2.75rem); margin-block-end: 1.25rem; }
.doc h2 { font-size: 1.3rem; margin-block: 2rem 0.6rem; }
.doc p, .doc li { color: #232c3a; }
.doc p + p { margin-top: 0.8rem; }
.doc ul { padding-inline-start: 1.25rem; display: grid; gap: 0.4rem; }
.doc .back { margin-top: 2rem; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero .wrap, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main-nav { display: none; }
  .header-actions { margin-inline-start: auto; }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .grid-3, .row-2 { grid-template-columns: minmax(0, 1fr); }
  .actions .btn { width: 100%; }
  .stack-label { margin-inline-start: 0; }
  .commit-meta .stage { margin-inline-start: 0; }
  .status-line .build { display: none; }
  .bar .end:not(.online) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media print {
  body { background: #fff; }
  .site-header, .status-line, .band, .form, .skip { display: none; }
}