@font-face { font-family: "Dana"; src: url("../fonts/dana-fanum-regular.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Dana"; src: url("../fonts/dana-fanum-medium.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Dana"; src: url("../fonts/dana-fanum-bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Dana"; src: url("../fonts/dana-fanum-extrabold.woff2") format("woff2"); font-weight: 800; font-display: swap; }

:root {
  --ink: #10302f;
  --ink-2: #3d5654;
  --ink-3: #5e7573;
  --akam: #018f8f;
  --akam-deep: #006a6a;
  --akam-tint: #e3f2f1;
  --paper: #f4f7f6;
  --rule: #d3e0dd;
  --rule-strong: #a9c2be;
  --plum: #7b3f7a;
  --danger: #b42318;
  --surface: #ffffff;
  --bg: #f4f7f6;
  --sheet: #fbfdfc;
  --font: "Dana", "Vazirmatn", Tahoma, system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;
  --radius: 10px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --focus: 0 0 0 3px var(--surface), 0 0 0 5px var(--akam);
  color-scheme: light;
}

@media not all /* حالت تاریک غیرفعال: هماهنگ با سایت اصلی که فقط روشن است */ {
  :root {
    --ink: #e4efed;
    --ink-2: #b8cbc8;
    --ink-3: #8fa6a3;
    --akam: #3cc0bd;
    --akam-deep: #6fd6d3;
    --akam-tint: #123433;
    --paper: #0f2221;
    --rule: #24403e;
    --rule-strong: #3a5d5a;
    --plum: #c58bc4;
    --danger: #ff8a7e;
    --surface: #132a29;
    --bg: #0c1c1b;
    --sheet: #102625;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.85 var(--font);
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; }
a { color: var(--akam-deep); }
a:hover { color: var(--akam); }
:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 4px; }
h1, h2, h3 { line-height: 1.45; margin: 0; }
p { margin: 0; }
[hidden] { display: none !important; }
.en { font-family: "Segoe UI", Roboto, system-ui, sans-serif; unicode-bidi: isolate; }

.wrap { width: min(1160px, 100%); margin-inline: auto; padding-inline: var(--gutter); }

/* Top bar */
.topbar { background: var(--surface); border-block-end: 1px solid var(--rule); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.125rem; }
.topbar__link { font-size: .875rem; }

/* Hero */
.hero { padding-block: clamp(2.5rem, 6vw, 4.5rem) 2rem; }
.hero h1 { font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.75rem); font-weight: 800; max-width: 22ch; letter-spacing: -.01em; }
.hero__lead { margin-block-start: 1rem; max-width: 62ch; font-size: 1.125rem; color: var(--ink-2); }
.promises { list-style: none; padding: 0; margin: 1.75rem 0 0; display: grid; gap: .6rem; max-width: 70ch; }
.promises li { position: relative; padding-inline-start: 1.75rem; color: var(--ink-2); }
.promises li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: .55em;
  width: 1rem; height: .55rem; border-inline-start: 2.5px solid var(--akam); border-block-end: 2.5px solid var(--akam);
  transform: rotate(-45deg) scaleX(-1);
}
.promises strong { color: var(--ink); font-weight: 700; }

/* Form + sheet */
.workspace { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 2rem; align-items: start; padding-block-end: 3rem; }
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); }
.panel h2 { font-size: 1.375rem; font-weight: 800; margin-block-end: 1.25rem; }

.types { border: 0; padding: 0; margin: 0 0 1.5rem; display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.types legend { font-weight: 700; margin-block-end: .5rem; padding: 0; }
.type { display: flex; align-items: center; gap: .6rem; padding: .8rem 1rem; border: 1.5px solid var(--rule); border-radius: var(--radius); cursor: pointer; font-weight: 500; line-height: 1.5; }
.type:has(input:checked) { border-color: var(--akam); background: var(--akam-tint); }
.type input { accent-color: var(--akam); width: 1.1rem; height: 1.1rem; flex: none; margin: 0; }

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.25rem; margin-block-end: 1rem; }
.field { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.field--wide { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: .9375rem; }
.field input, .field select {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1.5px solid var(--rule-strong); border-radius: 8px; padding: .55rem .8rem; min-height: 46px; width: 100%;
}
.field input[dir="ltr"] { text-align: left; font-family: "Segoe UI", Roboto, system-ui, sans-serif; }
.field input:focus, .field select:focus { border-color: var(--akam); box-shadow: 0 0 0 3px color-mix(in srgb, var(--akam) 22%, transparent); outline: none; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--danger); }
.hint { color: var(--ink-3); font-size: .8125rem; line-height: 1.6; }
.error { color: var(--danger); font-size: .8125rem; font-weight: 500; line-height: 1.6; }
.error:empty { display: none; }

.consent { border-block-start: 1px dashed var(--rule-strong); padding-block-start: 1.1rem; margin-block: .5rem 1.25rem; }
.check { display: flex; gap: .6rem; align-items: flex-start; cursor: pointer; line-height: 1.7; }
.check input { accent-color: var(--akam); width: 1.1rem; height: 1.1rem; margin-block-start: .3rem; flex: none; }
.consent .fields { margin-block-start: 1rem; }
.consent__note { grid-column: 1 / -1; font-size: .875rem; color: var(--ink-2); background: var(--akam-tint); border-radius: 8px; padding: .6rem .85rem; }

.btn { font: inherit; font-weight: 700; border-radius: 8px; padding: .7rem 1.4rem; min-height: 48px; cursor: pointer; border: 1.5px solid transparent; }
.btn--primary { background: var(--akam-deep); color: #fff; width: 100%; font-size: 1.0625rem; }
.btn--primary:hover { background: var(--akam); }
.btn--primary:disabled { opacity: .65; cursor: progress; }
.btn--quiet { background: transparent; color: var(--akam-deep); border-color: var(--rule-strong); padding: .45rem .9rem; min-height: 40px; font-size: .875rem; }
.btn--quiet:hover { border-color: var(--akam); color: var(--akam); }
.form-status { margin-block-start: .75rem; color: var(--ink-2); font-size: .9375rem; min-height: 1.6em; }
.form-status.is-error { color: var(--danger); }

/* The live request sheet — ledger paper with the stamp */
.sheet { position: sticky; top: 1.5rem; }
.sheet__paper {
  position: relative; overflow: hidden;
  background: var(--sheet);
  border: 1px solid var(--rule-strong); border-radius: 4px;
  padding: 1.25rem 1.4rem 2.5rem; min-height: 26rem;
  box-shadow: 0 1px 0 var(--rule), 0 18px 40px -28px rgba(16, 48, 47, .45);
}
.sheet__paper::before { /* margin rule, like an accounting ledger */
  content: ""; position: absolute; inset-block: 0; left: 2.1rem; width: 2px; background: color-mix(in srgb, var(--plum) 35%, transparent);
}
.sheet__title { font-weight: 800; font-size: 1.125rem; }
.sheet__sub { font-size: .8125rem; color: var(--ink-3); margin-block-end: .9rem; }
.sheet__lines {
  --line: 2.15rem;
  list-style: none; margin: 0 -1.4rem; padding: 0 1.4rem 0 2.9rem;
  font: .875rem/1 var(--mono);
  background-image: repeating-linear-gradient(to bottom, transparent 0, transparent calc(var(--line) - 1px), var(--rule) calc(var(--line) - 1px), var(--rule) var(--line));
}
.sheet__lines li { display: grid; grid-template-columns: 9.2rem minmax(0, 1fr); align-items: end; height: var(--line); padding-block-end: .45rem; white-space: nowrap; }
.sheet__lines .k { color: var(--akam-deep); }
.sheet__lines .v { font-family: var(--mono), var(--font); color: var(--ink); overflow: hidden; text-overflow: ellipsis; unicode-bidi: plaintext; text-align: left; }
.sheet__lines .v.is-empty { color: var(--ink-3); }
.sheet__lines .v.is-fixed { color: var(--ink-2); }

.stamp {
  position: absolute; inset-block-end: 1.4rem; inset-inline-end: 1.4rem;
  width: 6.4rem; height: 6.4rem; border-radius: 50%;
  border: 3px double var(--plum); color: var(--plum);
  display: grid; place-items: center; font: 800 1.05rem/1 var(--mono); letter-spacing: .04em;
  transform: rotate(-14deg) scale(1.6); opacity: 0;
  transition: opacity .25s ease, transform .35s cubic-bezier(.2, 1.4, .4, 1);
}
.stamp span { border-block: 1.5px solid var(--plum); padding: .3rem .4rem; }
.stamp.is-on { opacity: .85; transform: rotate(-14deg) scale(1); }

/* Result */
.result { padding-block: 0 3rem; }
.result h2 { font-size: 1.5rem; font-weight: 800; margin-block-end: .75rem; }
.result:focus { outline: none; }
.result__warn { border-inline-start: 4px solid var(--plum); background: var(--surface); padding: .9rem 1.1rem; border-radius: 0 8px 8px 0; margin-block-end: 1.25rem; max-width: 80ch; color: var(--ink-2); }
.result__warn strong { color: var(--ink); }
#download-zip { width: auto; }
.outputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-block: 1.5rem; }
.output h3 { font-size: 1.0625rem; font-weight: 800; margin-block-end: .5rem; }
.output h3 span { display: block; font-size: .8125rem; font-weight: 400; color: var(--ink-3); }
.output textarea {
  width: 100%; resize: vertical; font: .75rem/1.55 var(--mono); color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: 8px; padding: .6rem;
}
.output__actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: .5rem; }

/* Steps */
.steps { padding-block: 2.5rem; border-block-start: 1px solid var(--rule); }
.steps h2, .faq h2 { font-size: 1.5rem; font-weight: 800; margin-block-end: 1.5rem; }
.steps__list { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; }
.steps__list li { counter-increment: step; border-block-start: 2px solid var(--ink); padding-block-start: .9rem; }
.steps__list li::before { content: counter(step, persian); display: block; font-weight: 800; font-size: 1.75rem; color: var(--akam); line-height: 1.2; margin-block-end: .35rem; }
.steps__list h3 { font-size: 1.0625rem; font-weight: 800; margin-block-end: .35rem; }
.steps__list p { color: var(--ink-2); font-size: .9375rem; }

/* FAQ */
.faq { padding-block: 1rem 3.5rem; max-width: 860px; margin-inline-start: auto; margin-inline-end: auto; }
.faq details { border-block-end: 1px solid var(--rule); }
.faq summary { cursor: pointer; padding-block: 1rem; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--akam); font-weight: 800; font-size: 1.25rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding-block-end: 1rem; color: var(--ink-2); max-width: 72ch; }

/* Footer */
.footer { background: var(--surface); border-block-start: 1px solid var(--rule); font-size: .875rem; color: var(--ink-2); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; padding-block: 1.4rem; }

@media (max-width: 960px) {
  .workspace { grid-template-columns: 1fr; }
  .sheet { position: static; }
  .sheet__paper { min-height: 0; }
  .outputs { grid-template-columns: 1fr; }
  .steps__list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .types, .fields { grid-template-columns: 1fr; }
  .steps__list { grid-template-columns: 1fr; }
  .topbar__link { display: none; }
  .sheet__lines { font-size: .78rem; padding-left: 2.6rem; }
  .sheet__lines li { grid-template-columns: 7.6rem minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .stamp { transition: none; }
}

/* هدر و فوتر هماهنگ با سایت اصلی آکام داده */
.brand small { display: block; font-size: .7rem; font-weight: 500; color: var(--ink-3); line-height: 1.2; }
.topnav { display: flex; gap: 1.2rem; flex-wrap: wrap; font-size: .9rem; }
.topnav a { color: var(--ink-2); text-decoration: none; font-weight: 500; }
.topnav a:hover { color: var(--akam); }
.topmenu { display: none; position: relative; }
.topmenu summary { list-style: none; cursor: pointer; width: 42px; height: 42px; display: grid; place-content: center; gap: 5px; border: 1px solid var(--rule); border-radius: 10px; }
.topmenu summary::-webkit-details-marker { display: none; }
.topmenu summary span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }
.topmenu__panel { position: absolute; inset-inline-end: 0; inset-block-start: 50px; z-index: 20; min-width: 220px; background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: .5rem; display: grid; box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.topmenu__panel a { padding: .6rem .8rem; border-radius: 8px; color: var(--ink); text-decoration: none; }
.topmenu__panel a:hover { background: var(--akam-tint); }
@media (max-width: 860px) { .topnav { display: none; } .topmenu { display: block; } }
.footer__top { display: grid; gap: 1.6rem 2rem; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; padding-block: 2rem 1rem; }
.footer__top h3 { margin: 0 0 .6rem; font-size: 1rem; color: var(--ink); }
.footer__top ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
.footer__top a { text-decoration: none; }
.footer__brand p, .footer__contact p { margin: .6rem 0 0; line-height: 1.9; }
.footer__inner { border-block-start: 1px solid var(--rule); }
@media (max-width: 860px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__top { grid-template-columns: 1fr; } }