/* Evolex identity, taken from the Evolex Insights dashboard: navy ink, cool paper, one family.
   Layout: a navy band carries the brand, then a step rail beside a single question column.
   Each step wears the colour its flow has in the dashboard (cod / cart / review / offers). */
:root {
  --paper: #f3f6fc; --panel: #ffffff; --field: #ffffff;
  --ink: #18203b; --ink-2: #4a5677; --ink-3: #66718f;
  --line: #d8e0ef; --line-2: #eef2f9;
  --band: #1b2340; --band-ink: #ffffff; --band-ink-2: #b9c4e0; --band-line: #333d63;
  --grad-a: #0ac8ff; --grad-b: #3080ff;
  --action: #2450ff; --action-ink: #ffffff; --action-soft: #e8edff;
  --focus: #2b5cff;
  --s-setup: #66718f; --s-cod: #1d4fe8; --s-cart: #e8742f; --s-review: #0f9d74; --s-offers: #9a5cf0;
  --good: #12804f; --good-bg: #e3f5ec;
  --warn: #9a5b00; --warn-bg: #fdf1dc;
  --bad: #b42335; --bad-bg: #fbe5e8;
  --font: 'IBM Plex Sans Arabic', system-ui, 'Segoe UI', Tahoma, sans-serif;
  --r-l: 18px; --r-s: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #121933; --panel: #1a2240; --field: #121933;
    --ink: #eef2fb; --ink-2: #b5c0dc; --ink-3: #93a0c2;
    --line: #2f3a60; --line-2: #222b4b;
    --band: #0d1329; --band-line: #29325a;
    --action: #3f63ff; --action-soft: #232f5e;
    --focus: #6d8dff;
    --s-setup: #93a0c2; --s-cod: #4a78ff; --s-cart: #d9692c; --s-review: #169a72; --s-offers: #9a72f2;
    --good: #5fd39a; --good-bg: #173b33; --warn: #f1b75a; --warn-bg: #3b3020; --bad: #ff8a97; --bad-bg: #42222b;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #121933; --panel: #1a2240; --field: #121933;
  --ink: #eef2fb; --ink-2: #b5c0dc; --ink-3: #93a0c2;
  --line: #2f3a60; --line-2: #222b4b;
  --band: #0d1329; --band-line: #29325a;
  --action: #3f63ff; --action-soft: #232f5e;
  --focus: #6d8dff;
  --s-setup: #93a0c2; --s-cod: #4a78ff; --s-cart: #d9692c; --s-review: #169a72; --s-offers: #9a72f2;
  --good: #5fd39a; --good-bg: #173b33; --warn: #f1b75a; --warn-bg: #3b3020; --bad: #ff8a97; --bad-bg: #42222b;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.65; font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, ol, ul, dl, dd, fieldset, legend { margin: 0; padding: 0; }
fieldset { border: 0; min-width: 0; }
ol, ul { list-style: none; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.wrap { max-width: 1080px; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

/* ---------- band */
.band { background: var(--band); color: var(--band-ink); }
.band-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 18px; }
.lockup { display: flex; align-items: center; gap: 10px; direction: ltr; }
.lockup svg { width: 44px; height: 44px; display: block; flex: none; }
.wordmark { font-weight: 700; font-size: 21px; letter-spacing: .08em; }
.nav { display: flex; gap: 4px; background: color-mix(in srgb, var(--band-ink) 8%, transparent); border-radius: 999px; padding: 3px; }
.nav button { border: 0; background: none; color: var(--band-ink-2); padding: 5px 16px; border-radius: 999px; font-size: 14px; }
.nav button[aria-current="page"] { background: var(--band-ink); color: #1b2340; font-weight: 600; }
.intro { padding-block: 10px 34px; max-width: 700px; }
.intro h1 { font-size: clamp(25px, 4.4vw, 36px); line-height: 1.3; font-weight: 600; text-wrap: balance; }
.intro p { color: var(--band-ink-2); margin-top: 10px; max-width: 62ch; }
.facts { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 14px; font-size: 14px; color: var(--band-ink); }
.facts li { display: flex; align-items: center; gap: 8px; }
.facts li::before { content: ""; width: 7px; height: 7px; transform: rotate(45deg); border-radius: 1.5px; background: var(--grad-a); flex: none; }

/* ---------- shell */
.shell { display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: 32px; padding-block: 28px 56px; align-items: start; }
.rail { position: sticky; top: calc(16px + env(safe-area-inset-top, 0px)); }
.rail ol { display: grid; gap: 2px; }
.rail button { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; text-align: start; padding: 8px 10px; border-radius: var(--r-s); color: var(--ink-2); font-size: 14.5px; line-height: 1.35; }
.rail button:disabled { color: var(--ink-3); cursor: default; opacity: .75; }
.rail button:not(:disabled):hover { background: var(--line-2); }
.rail button[aria-current="step"] { background: var(--panel); color: var(--ink); font-weight: 600; box-shadow: 0 0 0 1px var(--line); }
.rail .dot { width: 10px; height: 10px; border-radius: 2.5px; transform: rotate(45deg); flex: none; background: var(--c); }
.rail .tick { margin-inline-start: auto; color: var(--good); font-size: 13px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-l); min-width: 0; overflow: hidden; }
.bar { height: 4px; background: var(--line-2); }
.bar i { display: block; height: 100%; background: linear-gradient(270deg, var(--grad-a), var(--grad-b)); border-start-end-radius: 4px; border-end-end-radius: 4px; transition: width .25s ease; }
.step-body { padding: 26px clamp(18px, 4vw, 36px) 28px; }
.step-count { font-size: 13.5px; color: var(--ink-3); display: flex; align-items: center; gap: 8px; }
.step-count i { width: 9px; height: 9px; border-radius: 2px; transform: rotate(45deg); background: var(--c); }
.step-body h2 { font-size: 23px; font-weight: 600; line-height: 1.35; margin-top: 4px; }
.step-body h2:focus { outline: none; }
.lead { color: var(--ink-2); margin-top: 6px; max-width: 62ch; }
.note { margin-top: 14px; background: var(--action-soft); border-radius: var(--r-s); padding: 8px 12px; font-size: 14px; display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; justify-content: space-between; }
.link { border: 0; background: none; padding: 0; color: var(--focus); text-decoration: underline; font-size: inherit; }

/* ---------- questions */
.q { padding-block: 20px; border-bottom: 1px solid var(--line-2); display: grid; gap: 6px; min-width: 0; }
.q:last-child { border-bottom: 0; padding-bottom: 4px; }
.q-label, .q legend { font-weight: 600; font-size: 16.5px; line-height: 1.5; display: block; }
.q legend { margin-bottom: 6px; }
.opt-tag { font-weight: 400; color: var(--ink-3); font-size: 13.5px; margin-inline-start: 6px; }
.hint { color: var(--ink-2); font-size: 14px; }
.m { font-size: 13px; color: var(--ink-3); display: flex; align-items: baseline; gap: 7px; }
.m::before { content: ""; width: 7px; height: 7px; border-radius: 1.5px; transform: rotate(45deg) translateY(-1px); background: var(--c); flex: none; }
.m b { font-weight: 500; color: var(--ink-2); }
.control { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; min-width: 0; }
.input { height: 48px; border: 1px solid var(--line); background: var(--field); border-radius: var(--r-s); padding-inline: 14px; width: 100%; max-width: 440px; min-width: 0; }
.input.num { width: 150px; }
.input[dir="ltr"] { text-align: left; }
.input:disabled { opacity: .5; }
textarea.input { height: auto; min-height: 104px; padding-block: 12px; max-width: 100%; resize: vertical; }
.input[aria-invalid="true"] { border-color: var(--bad); }
.unit { color: var(--ink-2); font-size: 15px; }
.opts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.opt { position: relative; display: inline-flex; min-width: 0; }
.opt input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.opt span { display: block; border: 1px solid var(--line); background: var(--field); border-radius: var(--r-s); padding: 9px 14px; font-size: 15px; line-height: 1.4; }
.opt input:hover + span { border-color: var(--ink-3); }
.opt input:checked + span { background: var(--action); border-color: var(--action); color: var(--action-ink); font-weight: 500; }
.opt input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }
.opt.small span { padding: 6px 12px; font-size: 14px; }
.err { color: var(--bad); font-size: 14px; font-weight: 500; }

/* ---------- the one bold block: what returns cost today */
.estimate { background: var(--band); color: var(--band-ink); border-radius: var(--r-l); padding: 20px 22px; margin-top: 22px; }
.estimate .cap { color: var(--band-ink-2); font-size: 14.5px; }
.estimate .big { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; margin-block: 2px; }
.estimate .big b { font-size: clamp(36px, 8vw, 54px); line-height: 1.15; font-weight: 700; direction: ltr; background: linear-gradient(90deg, var(--grad-a), #7aa9ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.estimate .big span { color: var(--band-ink-2); font-size: 16px; }
.estimate .sum { color: var(--band-ink-2); font-size: 13.5px; }
.estimate.empty .big { display: none; }

/* ---------- actions */
.actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; padding: 18px clamp(18px, 4vw, 36px); border-top: 1px solid var(--line-2); }
.btn { border: 1px solid transparent; min-height: 46px; padding: 8px 24px; border-radius: 999px; font-weight: 600; font-size: 15.5px; }
.btn.primary { background: var(--action); color: var(--action-ink); margin-inline-start: auto; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.primary:disabled { opacity: .6; cursor: progress; }
.btn.ghost { background: none; border-color: var(--line); color: var(--ink-2); }
.btn.ghost:hover { border-color: var(--ink-3); }

/* ---------- review */
.group { margin-top: 24px; }
.group-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.group-head h3 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 9px; }
.group-head h3 i { width: 9px; height: 9px; border-radius: 2px; transform: rotate(45deg); background: var(--c); }
.rows { margin-top: 6px; }
.rows > div { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 12px; padding-block: 8px; border-bottom: 1px solid var(--line-2); font-size: 15px; }
.rows dt { color: var(--ink-2); min-width: 0; }
.rows dd { font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.rows dd.unk { font-weight: 400; color: var(--ink-3); }
.privacy { margin-top: 18px; font-size: 13.5px; color: var(--ink-3); }

/* ---------- done */
.done-mark { display: inline-flex; align-items: center; gap: 8px; border-radius: 999px; padding: 4px 12px; font-size: 14px; font-weight: 500; background: var(--good-bg); color: var(--good); }
.done-mark.warn { background: var(--warn-bg); color: var(--warn); }
.done h2 { margin-top: 12px; }
.copybox { width: 100%; max-width: 100%; height: 190px; margin-top: 14px; font-size: 13px; line-height: 1.6; direction: rtl; }
.row-btns { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.row-btns .btn.primary { margin-inline-start: 0; }
.ok-msg { color: var(--good); font-size: 14px; font-weight: 500; }

/* ---------- responses */
.resp-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.resp-head h2 { font-size: 23px; font-weight: 600; }
.resp-head p { color: var(--ink-2); font-size: 14.5px; }
.resp { padding-block: 28px 56px; }
.resp-list { display: grid; gap: 10px; }
.resp-item { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; }
.resp-item summary { cursor: pointer; padding: 14px 18px; display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 8px 16px; align-items: baseline; list-style: none; }
.resp-item summary::-webkit-details-marker { display: none; }
.resp-brand b { display: block; font-size: 16.5px; font-weight: 600; overflow-wrap: anywhere; }
.resp-brand small { color: var(--ink-3); font-size: 13px; }
.resp-kpi small { display: block; color: var(--ink-3); font-size: 12.5px; }
.resp-kpi span { font-weight: 600; font-size: 15px; }
.resp-body { padding: 0 18px 18px; border-top: 1px solid var(--line-2); }
.resp-empty { background: var(--panel); border: 1px dashed var(--line); border-radius: var(--r-l); padding: 36px 20px; text-align: center; color: var(--ink-2); }
.resp-state { color: var(--warn); background: var(--warn-bg); border-radius: var(--r-s); padding: 8px 12px; font-size: 14px; margin-bottom: 12px; }

@media (max-width: 820px) {
  .shell { grid-template-columns: minmax(0, 1fr); gap: 0; padding-block: 16px 40px; }
  .rail { display: none; }
  .resp-item summary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .resp-brand { grid-column: 1 / -1; }
  .rows > div { grid-template-columns: minmax(0, 1fr); gap: 0; }
}
@media (prefers-reduced-motion: reduce) { .bar i { transition: none; } }

/* ---------- hosted version */
.lockup img { width: 44px; height: 44px; display: block; flex: none; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.band-btn { background: none; border-color: var(--band-line); color: var(--band-ink); min-height: 38px; padding: 4px 18px; font-size: 14px; }
.btn-link { display: inline-flex; align-items: center; text-decoration: none; }
.login { max-width: 440px; margin-inline: auto; padding: 28px clamp(18px, 4vw, 32px); display: grid; gap: 10px; }
.login h2 { font-size: 23px; font-weight: 600; }
.login .btn.primary { margin-top: 8px; margin-inline-start: 0; justify-self: start; }