/* ==========================================================================
   Mosamem Studio — shared design system
   Concept: a dark drawing studio. Ink room, paper sheets, one lamp.
   Ink 60 · Paper 25 · Lamp 10 · Amber 4 · Steel 1
   ========================================================================== */

:root {
  /* brand constants */
  --ink: #121417;
  --ink-2: #1A1D21;
  --ink-3: #24282D;
  --paper: #F3F2EE;
  --paper-2: #FAF9F6;
  --paper-3: #E6E4DD;
  --lamp: #FFB81F;
  --amber: #C97800;
  --steel: #5E5D58;

  /* semantic tokens — night (default) */
  --bg: var(--ink);
  --bg-2: var(--ink-2);
  --bg-3: var(--ink-3);
  --fg: var(--paper);
  --fg-2: #BDBCB6;
  --fg-3: #8E8D87;
  --line: #2E3238;
  --line-strong: #454A51;
  --accent-fill: var(--lamp);
  --on-accent: var(--ink);
  --accent-text: var(--lamp);
  --tick: rgba(243, 242, 238, .28);
  --ph-a: #1E2125;
  --ph-b: #24282D;
  --ph-fg: #9A9993;
  --focus: var(--lamp);
  --danger: #FF8A6B;
  --ok: #7FD69A;
  color-scheme: dark;

  /* type */
  --font-display: "Readex Pro", "Segoe UI", Tahoma, system-ui, sans-serif;
  --font-body: "Readex Pro", "Segoe UI", Tahoma, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Readex Pro", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-xs: .75rem;
  --fs-sm: .875rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.1875rem;
  --fs-lg: clamp(1.25rem, 1.1rem + .6vw, 1.5rem);
  --fs-xl: clamp(1.5rem, 1.2rem + 1.3vw, 2.125rem);
  --fs-2xl: clamp(2rem, 1.4rem + 2.6vw, 3.25rem);
  --fs-3xl: clamp(2.4rem, 1.5rem + 4.4vw, 5rem);

  /* space */
  --s-1: .25rem; --s-2: .5rem; --s-3: .75rem; --s-4: 1rem; --s-5: 1.5rem;
  --s-6: 2rem; --s-7: 3rem; --s-8: 4.5rem; --s-9: 6.5rem;
  --section: clamp(3.5rem, 2.5rem + 5vw, 7rem);

  --cut: 14px;
  --radius: 2px;
  --header-h: 72px;
  --maxw: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* daylight (lamp switched off) */
:root[data-theme="light"] {
  --bg: var(--paper);
  --bg-2: var(--paper-2);
  --bg-3: var(--paper-3);
  --fg: var(--ink);
  --fg-2: #45443F;
  --fg-3: var(--steel);
  --line: #D8D5CD;
  --line-strong: #B9B6AD;
  --accent-text: color-mix(in srgb, var(--amber) 68%, var(--ink));
  --tick: rgba(18, 20, 23, .35);
  --ph-a: #E4E2DB;
  --ph-b: #ECEAE4;
  --ph-fg: #5E5D58;
  --focus: var(--ink);
  --danger: #B3411F;
  --ok: #1F7A3E;
  color-scheme: light;
}

/* fixed bands — re-scope the semantic tokens */
.band--ink {
  --bg: var(--ink); --bg-2: var(--ink-2); --bg-3: var(--ink-3);
  --fg: var(--paper); --fg-2: #BDBCB6; --fg-3: #8E8D87;
  --line: #2E3238; --line-strong: #454A51;
  --accent-text: var(--lamp); --tick: rgba(243, 242, 238, .28);
  --ph-a: #1E2125; --ph-b: #24282D; --ph-fg: #9A9993;
  --focus: var(--lamp); --danger: #FF8A6B; --ok: #7FD69A;
  color-scheme: dark;
}
.band--paper {
  --bg: var(--paper); --bg-2: var(--paper-2); --bg-3: var(--paper-3);
  --fg: var(--ink); --fg-2: #45443F; --fg-3: var(--steel);
  --line: #D8D5CD; --line-strong: #B9B6AD;
  --accent-text: color-mix(in srgb, var(--amber) 68%, var(--ink)); --tick: rgba(18, 20, 23, .35);
  --ph-a: #E4E2DB; --ph-b: #ECEAE4; --ph-fg: #5E5D58;
  --focus: var(--ink); --danger: #B3411F; --ok: #1F7A3E;
  color-scheme: light;
}
.band--lamp {
  --bg: var(--lamp); --bg-2: #FFC64D; --bg-3: #F2AA0F;
  --fg: var(--ink); --fg-2: #2B2A26; --fg-3: #4A4430;
  --line: rgba(18, 20, 23, .22); --line-strong: rgba(18, 20, 23, .45);
  --accent-fill: var(--ink); --on-accent: var(--lamp); --accent-text: var(--ink);
  --tick: rgba(18, 20, 23, .45);
  --focus: var(--ink); --danger: #7A1E05; --ok: #0F4A24;
  color-scheme: light;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
html[lang="ar"] body { line-height: 1.8; }
img, svg, video { max-width: 100%; height: auto; display: block; }
svg text { direction: ltr; } /* drawing labels never mirror */
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--accent-text); }
strong, b { font-weight: 600; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  letter-spacing: -.01em;
}
html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4 { line-height: 1.35; letter-spacing: 0; }
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--lamp); color: var(--ink); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
[hidden] { display: none !important; }

/* bilingual text — the hidden language disappears, the visible one is transparent to layout */
t-ar, t-en { display: contents; }
html[lang="ar"] t-en, html[lang="en"] t-ar { display: none; }

.skip {
  position: absolute;
  inset-inline-start: 16px;
  top: -100px;
  z-index: 100;
  background: var(--lamp);
  color: var(--ink);
  padding: .6rem 1rem;
  font-weight: 600;
  text-decoration: none;
}
.skip:focus { top: calc(env(safe-area-inset-top, 0px) + 8px); }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.ltr { direction: ltr; unicode-bidi: isolate; }
.mono { font-family: var(--font-mono); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- layout ---------- */
.wrap {
  width: 100%;
  max-width: calc(var(--maxw) + 2 * 24px);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) {
  .wrap {
    padding-left: max(24px, env(safe-area-inset-left, 0px));
    padding-right: max(24px, env(safe-area-inset-right, 0px));
  }
}
.wrap--narrow { max-width: calc(760px + 48px); }
.band, .band--ink, .band--paper, .band--lamp {
  background: var(--bg);
  color: var(--fg);
  position: relative;
}
.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * .6); }
.stack { display: flex; flex-direction: column; gap: var(--stack, var(--s-4)); }
.stack > * { min-width: 0; }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--cluster, var(--s-3)); }
.grid-2, .grid-3, .grid-auto { display: grid; gap: var(--grid-gap, var(--s-5)); }
.grid-2 > *, .grid-3 > *, .grid-auto > * { min-width: 0; }
@media (min-width: 760px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1000px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.section-head { display: grid; gap: var(--s-4); max-width: 46rem; margin-bottom: var(--s-7); }
.lede { font-size: var(--fs-md); color: var(--fg-2); max-width: 40rem; }
.muted { color: var(--fg-2); }
.small { font-size: var(--fs-sm); }

/* ---------- brand devices ---------- */

/* eyebrow — mono label with a short ruler tick */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-text);
  line-height: 1.4;
}
html[lang="ar"] .eyebrow { letter-spacing: 0; font-size: var(--fs-sm); }
.eyebrow::before {
  content: "";
  width: 22px;
  height: 9px;
  flex: none;
  background:
    linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 5px) 0 100% / 100% 5px no-repeat,
    linear-gradient(currentColor, currentColor) 0 0 / 1px 100% no-repeat;
  opacity: .9;
}

/* ruler — horizontal tick divider (major tick every 10 minor) */
.ruler {
  --h: 18px;
  height: var(--h);
  border-top: 1px solid var(--tick);
  background:
    repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 60px) 0 0 / 100% 100% no-repeat,
    repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 30px) 0 0 / 100% 70% no-repeat,
    repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 6px) 0 0 / 100% 38% no-repeat;
}
.ruler--lamp { --tick: var(--lamp); }
.ruler--flip { transform: scaleY(-1); }

/* beam — the lamp's light cone, decorative */
.beam {
  position: absolute;
  pointer-events: none;
  width: var(--beam-w, 360px);
  aspect-ratio: 1 / 1.25;
  max-width: 100%;
  background: linear-gradient(170deg, rgba(255, 184, 31, .55), rgba(255, 184, 31, 0) 78%);
  clip-path: polygon(0 0, 22% 0, 100% 72%, 100% 100%, 34% 100%);
}
.beam::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 22%;
  height: 4.5%;
  background: var(--lamp);
}

/* 45° cut corner (top-left, from the icon) */
.cut {
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}
.panel {
  --cut: 18px;
  background: var(--bg-2);
  color: var(--fg);
  padding: clamp(1.25rem, 1rem + 1.2vw, 2rem);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  min-width: 0;
}
.panel--line { box-shadow: inset 0 0 0 1px var(--line); }

/* spec line — the engineer voice */
.spec {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-3);
  direction: ltr;
  unicode-bidi: isolate;
  font-variant-numeric: tabular-nums;
}

/* dimension line — a value drawn like a technical drawing:
   |<———— 1,250 EGP ————>|  */
.dim {
  --dim-c: var(--fg-3);
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .75rem;
  direction: ltr;
  padding-block: .5rem;
  color: var(--fg);
}
.dim::before, .dim::after {
  content: "";
  height: 1px;
  background: var(--dim-c);
}
.dim__val {
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.dim > .dim__end {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--dim-c);
}
.dim > .dim__end--a { left: 0; }
.dim > .dim__end--b { right: 0; }
/* arrowheads */
.dim > .dim__end::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border-block: 4px solid transparent;
  transform: translateY(-50%);
}
/* arrowheads point outward, tips touching the extension lines */
.dim > .dim__end--a::after { left: 1px; border-right: 8px solid var(--dim-c); }
.dim > .dim__end--b::after { right: 1px; border-left: 8px solid var(--dim-c); }
.dim__cap {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* striped photo placeholder — paper-grey stripes, never a fake photo */
.ph {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: var(--ph-ratio, 4 / 3);
  max-width: 100%;
  background: repeating-linear-gradient(135deg, var(--ph-a) 0 14px, var(--ph-b) 14px 28px);
  color: var(--ph-fg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  text-align: center;
  padding: 1rem;
  overflow: hidden;
}

/* chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  font-family: var(--font-mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .2rem .55rem;
  border: 1px solid var(--line-strong);
  color: var(--fg-2);
  line-height: 1.5;
  white-space: nowrap;
}
html[lang="ar"] .chip { letter-spacing: 0; font-size: .75rem; }
.chip--live { border-color: transparent; background: var(--accent-fill); color: var(--on-accent); }
.chip--live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.chip--soon { border-style: dashed; }

/* buttons */
.btn {
  --cut: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  min-height: 48px;
  padding: .7rem 1.35rem;
  border: 0;
  background: var(--bg-3);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: background-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { color: var(--fg); background: var(--line-strong); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--on-accent, var(--fg)); outline-offset: -6px; }
.btn--lamp { background: var(--accent-fill); color: var(--on-accent); }
.btn--lamp:hover { background: var(--fg); color: var(--bg); }
.btn--ink { background: var(--fg); color: var(--bg); }
.btn--ink:hover { background: var(--accent-fill); color: var(--on-accent); }
.btn--ghost { background: transparent; box-shadow: inset 0 0 0 1.5px var(--line-strong); }
.btn--ghost:hover { background: transparent; box-shadow: inset 0 0 0 1.5px var(--fg); color: var(--fg); }
.btn--ghost:focus-visible { outline-color: var(--focus); }
.btn--wa { background: #1FAF54; color: #fff; }
.btn--wa:hover { background: #18923F; color: #fff; }
.btn--sm { min-height: 40px; padding: .45rem .9rem; font-size: var(--fs-sm); --cut: 8px; }
.btn--block { display: flex; width: 100%; }
.ico { width: 1.15em; height: 1.15em; flex: none; display: inline-block; vertical-align: -.2em; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.arrow { display: inline-block; transition: transform .2s var(--ease); }
html[dir="rtl"] .arrow { transform: scaleX(-1); }
.btn:hover .arrow { transform: translateX(3px); }
html[dir="rtl"] .btn:hover .arrow { transform: scaleX(-1) translateX(3px); }
html[dir="rtl"] p.spec, html[dir="rtl"] div.spec { text-align: right; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  font-weight: 500;
  color: var(--accent-text);
  text-decoration: none;
}
.link-arrow:hover { text-decoration: underline; }

/* numbered steps — only for real sequences */
.steps { list-style: none; display: grid; gap: var(--s-4); counter-reset: step; }
.steps > li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: var(--s-4);
  align-items: start;
  padding-block: var(--s-4);
  border-top: 1px solid var(--line);
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--accent-text);
  padding-top: .2em;
  direction: ltr;
  justify-self: start;
}
.steps h3 { font-size: var(--fs-md); margin-bottom: .25rem; }
.steps p { color: var(--fg-2); }

/* FAQ */
.faq { display: grid; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  padding-block: var(--s-4);
  font-weight: 500;
  font-size: var(--fs-md);
  min-height: 48px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--accent-text);
  flex: none;
  transition: transform .2s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding-bottom: var(--s-5); color: var(--fg-2); max-width: 60ch; }

/* ---------- forms ---------- */
.form { display: grid; gap: var(--s-5); }
.form__row { display: grid; gap: var(--s-5); }
@media (min-width: 640px) { .form__row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: grid; gap: .45rem; min-width: 0; }
.field__label {
  font-weight: 500;
  font-size: var(--fs-sm);
  color: var(--fg);
  display: flex;
  gap: .4em;
  align-items: baseline;
  flex-wrap: wrap;
}
.field__label .opt { font-weight: 300; color: var(--fg-3); font-size: var(--fs-xs); }
.field__hint { font-size: var(--fs-xs); color: var(--fg-3); }
.field__err { font-size: var(--fs-sm); color: var(--danger); font-weight: 500; }
.field__err:empty { display: none; }
.input {
  width: 100%;
  min-height: 50px;
  padding: .7rem .9rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.4;
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
.band--paper .input, :root[data-theme="light"] .band:not(.band--ink) .input { background: var(--paper-2); }
.input::placeholder { color: var(--fg-3); opacity: 1; }
.input:hover { border-color: var(--fg-3); }
.input:focus { outline: none; border-color: var(--accent-text); box-shadow: 0 0 0 3px color-mix(in srgb, var(--lamp) 35%, transparent); }
.input[aria-invalid="true"] { border-color: var(--danger); }
textarea.input { min-height: 120px; resize: vertical; }
select.input {
  padding-inline-end: 2.4rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-2) 50%), linear-gradient(135deg, var(--fg-2) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
html[dir="rtl"] select.input { background-position: 15px 55%, 20px 55%; }
input[type="tel"].input, input[type="email"].input, input[type="url"].input, input[type="number"].input { direction: ltr; text-align: start; }
html[dir="rtl"] input[type="tel"].input, html[dir="rtl"] input[type="email"].input, html[dir="rtl"] input[type="url"].input, html[dir="rtl"] input[type="number"].input { text-align: right; }

/* choice cards (radio / checkbox) */
.choices { display: grid; gap: var(--s-2); grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); border: 0; padding: 0; margin: 0; min-width: 0; }
.choices legend { padding: 0; margin-bottom: .45rem; }
.choice { position: relative; display: block; min-width: 0; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.choice__box {
  display: grid;
  gap: .15rem;
  min-height: 52px;
  height: 100%;
  padding: .7rem .9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  font-size: var(--fs-sm);
  font-weight: 500;
  line-height: 1.35;
  transition: border-color .15s var(--ease), background-color .15s var(--ease);
}
.band--paper .choice__box, :root[data-theme="light"] .band:not(.band--ink) .choice__box { background: var(--paper-2); }
.choice__box small { font-weight: 300; color: var(--fg-3); font-size: var(--fs-xs); }
.choice input:hover + .choice__box { border-color: var(--fg-3); }
.choice input:checked + .choice__box {
  border-color: var(--fg);
  box-shadow: inset 0 0 0 1px var(--fg);
  background: color-mix(in srgb, var(--lamp) 16%, var(--bg));
}
.choice input:focus-visible + .choice__box { outline: 2px solid var(--focus); outline-offset: 2px; }

/* segmented control */
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 3px; gap: 3px; margin: 0; min-width: 0; }
.seg legend { padding: 0; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: .4rem .9rem;
  font-size: var(--fs-sm); font-weight: 500; border-radius: 1px; cursor: pointer;
}
.seg input:checked + span { background: var(--fg); color: var(--bg); }
.seg input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 1px; }

.form__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }
.form__note { font-size: var(--fs-xs); color: var(--fg-3); }
.hp { position: absolute !important; top: 0; inset-inline-start: 0; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; opacity: 0; pointer-events: none; }
.form { position: relative; }

/* ticket — the confirmation, styled like a job ticket */
.ticket {
  --cut: 22px;
  position: relative;
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem);
  display: grid;
  gap: var(--s-5);
  --fg: var(--ink); --fg-2: #45443F; --fg-3: var(--steel); --line: #D8D5CD; --line-strong: #B9B6AD;
  --accent-text: color-mix(in srgb, var(--amber) 68%, var(--ink)); --tick: rgba(18, 20, 23, .35); --bg: var(--paper); --bg-2: var(--paper-2);
  --focus: var(--ink);
}
.ticket__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-3); align-items: baseline; }
.ticket__ref { font-family: var(--font-mono); font-size: var(--fs-xl); font-weight: 500; letter-spacing: .04em; direction: ltr; }
.ticket__rows { display: grid; gap: 0; border-top: 1px dashed var(--line-strong); margin: 0; }
.ticket__rows > div { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: var(--s-4); padding-block: .55rem; border-bottom: 1px dashed var(--line); font-size: var(--fs-sm); }
.ticket__rows dt { color: var(--steel); font-family: var(--font-mono); font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; padding-top: .15em; }
html[lang="ar"] .ticket__rows dt { letter-spacing: 0; font-family: var(--font-body); }
.ticket__rows dd { margin: 0; overflow-wrap: anywhere; white-space: pre-line; }
@media (max-width: 520px) { .ticket__rows > div { grid-template-columns: 1fr; gap: .1rem; } }
.ticket__status { font-size: var(--fs-sm); display: flex; gap: .5em; align-items: center; }
.ticket__status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--steel); flex: none; }
.ticket__status[data-state="ok"]::before { background: #1F7A3E; }
.ticket__status[data-state="warn"]::before { background: var(--amber); }
.ticket .ruler { --tick: rgba(18, 20, 23, .35); }

/* ---------- header ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  z-index: 60;
  background: var(--ink);
}
:root[data-theme="light"] body::before { background: var(--paper); }
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  min-height: var(--header-h);
}
.site-header__bar {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  min-height: var(--header-h);
}
.site-header__logo { display: block; flex: none; line-height: 0; }
.site-header__logo img { width: 124px; height: auto; }
.logo--on-light { display: none !important; }
:root[data-theme="light"] .logo--on-dark { display: none !important; }
:root[data-theme="light"] .logo--on-light { display: block !important; }
.band--ink .logo--on-dark { display: block !important; }
.band--ink .logo--on-light { display: none !important; }
.band--paper .logo--on-dark { display: none !important; }
.band--paper .logo--on-light { display: block !important; }

.nav { display: none; margin-inline-start: auto; }
.nav ul { list-style: none; display: flex; gap: .25rem; align-items: center; }
.nav a {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  min-height: 44px;
  padding: .4rem .7rem;
  font-size: var(--fs-sm);
  font-weight: 400;
  text-decoration: none;
  color: var(--fg-2);
  white-space: nowrap;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }
.nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--accent-fill); }
.nav .chip { padding: .05rem .35rem; font-size: .625rem; }
.header-tools { display: flex; align-items: center; gap: .35rem; margin-inline-start: auto; }
.nav + .header-tools { margin-inline-start: var(--s-2); }
.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35em;
  min-width: 44px;
  min-height: 44px;
  padding: 0 .55rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--fg);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
}
.tool-btn:hover { border-color: var(--line-strong); }
.tool-btn--lang { font-family: var(--font-body); font-size: .95rem; }
.lamp-switch svg { width: 26px; height: 32px; overflow: visible; }
.lamp-switch .lamp-body { fill: var(--fg); transition: fill .3s var(--ease); }
.lamp-switch .lamp-head { fill: var(--lamp); transition: fill .3s var(--ease); }
.lamp-switch .lamp-beam { opacity: 1; transition: opacity .35s var(--ease); }
:root[data-theme="light"] .lamp-switch .lamp-beam { opacity: 0; }
:root[data-theme="light"] .lamp-switch .lamp-head { fill: var(--steel); }
.menu-btn .bars { width: 22px; height: 14px; position: relative; display: block; }
.menu-btn .bars::before, .menu-btn .bars::after, .menu-btn .bars span {
  content: ""; position: absolute; inset-inline: 0; height: 2px; background: currentColor; transition: transform .25s var(--ease), opacity .2s;
}
.menu-btn .bars::before { top: 0; }
.menu-btn .bars span { top: 6px; }
.menu-btn .bars::after { top: 12px; }
.menu-btn[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .bars span { opacity: 0; }
.menu-btn[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }

/* reading ruler: header bottom edge measures how far down the page you are */
.read-ruler {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 7px;
  pointer-events: none;
  background:
    linear-gradient(var(--tick), var(--tick)) 0 100% / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 8px) 0 100% / 100% 4px no-repeat,
    repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 80px) 0 100% / 100% 7px no-repeat;
  opacity: .8;
}
.read-ruler__fill {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(var(--p, 0));
  background:
    linear-gradient(var(--lamp), var(--lamp)) 0 100% / 100% 2px no-repeat,
    repeating-linear-gradient(90deg, var(--lamp) 0 1px, transparent 1px 8px) 0 100% / 100% 4px no-repeat,
    repeating-linear-gradient(90deg, var(--lamp) 0 1px, transparent 1px 80px) 0 100% / 100% 7px no-repeat;
}
html[dir="rtl"] .read-ruler__fill { transform-origin: right center; }

/* mobile drawer */
.drawer {
  position: fixed;
  inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0 0;
  z-index: 49;
  background: var(--bg);
  overflow-y: auto;
  padding-top: var(--s-5);
  padding-bottom: calc(var(--s-7) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
}
.drawer ul { list-style: none; display: grid; }
.drawer li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  min-height: 60px;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-lg);
  font-weight: 500;
  text-decoration: none;
}
.drawer li a[aria-current="page"] { color: var(--accent-text); }
.drawer .drawer__cta { margin-top: var(--s-6); display: grid; gap: var(--s-3); }
body.menu-open { overflow: hidden; }
@media (min-width: 1040px) {
  .nav { display: block; }
  .menu-btn, .drawer { display: none !important; }
  .site-header__logo img { width: 136px; }
}

/* ---------- footer ---------- */
.site-footer { --bg: var(--ink); background: var(--ink); color: var(--paper); }
.site-footer.band--ink { padding-bottom: env(safe-area-inset-bottom, 0px); }
.footer-grid {
  display: grid;
  gap: var(--s-6);
  padding-block: var(--s-8) var(--s-6);
}
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-grid h2 { font-size: var(--fs-sm); font-family: var(--font-mono); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-3); margin-bottom: var(--s-3); }
html[lang="ar"] .footer-grid h2 { letter-spacing: 0; font-family: var(--font-body); }
.footer-grid ul { list-style: none; display: grid; gap: .2rem; }
.footer-grid a { text-decoration: none; color: var(--fg-2); display: inline-flex; min-height: 36px; align-items: center; gap: .4em; }
.footer-grid a:hover { color: var(--lamp); }
.footer-brand img { width: 150px; }
.footer-brand p { color: var(--fg-2); margin-top: var(--s-4); max-width: 30ch; font-size: var(--fs-sm); }
.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-3);
  padding-block: var(--s-5);
  border-top: 1px solid var(--line);
  color: var(--fg-3);
  font-size: var(--fs-xs);
}

/* floating WhatsApp */
.wa-float {
  position: fixed;
  z-index: 40;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  inset-inline-end: 16px;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: #1FAF54;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  transition: transform .2s var(--ease);
}
html[dir="ltr"] .wa-float { right: calc(16px + env(safe-area-inset-right, 0px)); }
html[dir="rtl"] .wa-float { left: calc(16px + env(safe-area-inset-left, 0px)); }
.wa-float:hover { transform: scale(1.06); color: #fff; }
.wa-float svg { width: 28px; height: 28px; }
body.menu-open .wa-float { display: none; }

/* language change: a paper sheet wipes across */
.lang-wipe {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  background: var(--lamp);
  transform: scaleX(0);
  transform-origin: left;
}
.lang-wipe.is-on { animation: wipe .5s var(--ease) forwards; }
@keyframes wipe {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  51% { transform: scaleX(1); transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* theme change: soft crossfade */
.theme-anim, .theme-anim * { transition: background-color .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease) !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .lang-wipe { display: none; }
}

@media print {
  .site-header, .wa-float, .drawer { display: none !important; }
}