/* Rah Negah landing: direction A (dark navy + amber).
   Colours are tokens; [data-theme] is set before first paint by the inline script in _Layout.
   Layout uses logical properties (inline/block) so the same rules work for RTL and LTR. */

@font-face {
  font-family: "Vazirmatn";
  src: url("/fonts/vazirmatn/Vazirmatn-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --accent: #F5A524;
  --on-accent: #0A1826;
  --radius: 18px;
  --container: 1200px;
  --font: "Vazirmatn", Tahoma, "Segoe UI", system-ui, sans-serif;
  --font-zh: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;

  /* dark (default) */
  --bg: #0A1826;
  --bg2: #0D1F31;
  --surface: #10243A;
  --icon-bg: #0A1826;
  --border: #1E3854;
  --border-strong: #2B4A6B;
  --text: #EEF2F6;
  --muted: #A3B3C4;
  --soft: #C9D5E1;
  --accent-ink: #F5A524;
  --link2: #5FB3F9;
  --chip-on: #1E3854;
  --cta-bg: #10243A;
  --marker-bg: #0A1826;
  --marker-fg: #FFFFFF;
  --note-bg: rgba(245, 165, 36, .08);
  --note-border: rgba(245, 165, 36, .35);
  --shadow: 0 10px 30px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #F7F9FC;
  --bg2: #EDF2F8;
  --surface: #FFFFFF;
  --icon-bg: #FFF4E0;
  --border: #DCE4EE;
  --border-strong: #C3D0DE;
  --text: #0B1B2B;
  --muted: #4E6074;
  --soft: #31465C;
  --accent-ink: #875B14;
  --link2: #0B5FD6;
  --chip-on: #E3EAF3;
  --cta-bg: #0A1826;
  --marker-bg: #FFFFFF;
  --marker-fg: #0A1826;
  --note-bg: #FFF7E8;
  --note-border: #F5D28A;
  --shadow: 0 10px 30px rgba(11, 27, 43, .08);
  color-scheme: light;
}

/* Without JavaScript the system preference still applies. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg: #F7F9FC; --bg2: #EDF2F8; --surface: #FFFFFF; --icon-bg: #FFF4E0; --border: #DCE4EE; --border-strong: #C3D0DE;
    --text: #0B1B2B; --muted: #4E6074; --soft: #31465C; --accent-ink: #875B14; --link2: #0B5FD6; --chip-on: #E3EAF3;
    --cta-bg: #0A1826; --marker-bg: #FFFFFF; --marker-fg: #0A1826; --note-bg: #FFF7E8; --note-border: #F5D28A;
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}
:lang(zh) body, body:lang(zh) { font-family: var(--font-zh); }

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-ink); }
h1, h2, h3, h4 { margin: 0; line-height: 1.4; }
p { margin: 0; }
button { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; inset-inline-start: 16px; top: -60px; z-index: 100;
  background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 10px; font-weight: 700;
}
.skip-link:focus { top: 12px; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.icon { flex: none; }
[dir="rtl"] .flip-rtl { transform: scaleX(-1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 26px; border-radius: 12px; font-size: 16px; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { color: var(--on-accent); background: #FFB53D; }
.btn-outline { border-color: var(--border-strong); color: var(--text); font-weight: 500; }
.btn-outline:hover { border-color: var(--accent); color: var(--text); }
.btn-sm { min-height: 44px; padding: 8px 18px; font-size: 15px; border-radius: 10px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--border); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; color: var(--text); white-space: nowrap; }
.brand:hover { color: var(--text); }
.brand img { height: 40px; width: auto; }
/* Logo artwork per theme: dark is the default palette, light when chosen or when the OS prefers it. */
.on-light { display: none; }
:root[data-theme="light"] .on-dark { display: none; }
:root[data-theme="light"] .on-light { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .on-dark { display: none; }
  :root:not([data-theme]) .on-light { display: block; }
}

.main-nav { display: flex; gap: 26px; font-size: 15px; }
.main-nav a { color: var(--text); padding-block: 6px; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }

.header-tools { display: flex; align-items: center; gap: 10px; }
.pill-group { display: flex; border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
.lang-switch a { padding: 6px 11px; border-radius: 999px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.lang-switch a[aria-current="true"] { background: var(--surface); color: var(--text); font-weight: 700; }
.lang-switch a:hover { color: var(--text); }
.theme-switch button { width: 36px; height: 36px; border: 0; border-radius: 999px; display: grid; place-items: center; cursor: pointer; background: transparent; color: var(--muted); }
.theme-switch button[aria-pressed="true"] { background: var(--chip-on); color: var(--text); }
.theme-switch button:hover { color: var(--text); }

.menu-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border); background: transparent; cursor: pointer; place-items: center; }
.menu-toggle .icon-close { display: none; }

@media (max-width: 1080px) {
  .header-cta { display: none; }
}
@media (max-width: 920px) {
  .menu-toggle { display: grid; }
  .header-row { flex-wrap: wrap; }
  .main-nav, .header-tools { display: none; width: 100%; }
  .site-header[data-open="true"] .main-nav { display: flex; flex-direction: column; gap: 4px; padding-block: 8px; }
  .site-header[data-open="true"] .main-nav a { padding: 10px 0; border: 0; border-bottom: 1px solid var(--border); }
  .site-header[data-open="true"] .header-tools { display: flex; flex-wrap: wrap; padding-bottom: 12px; }
  .site-header[data-open="true"] .header-cta { display: inline-flex; }
  .site-header[data-open="true"] .icon-open { display: none; }
  .site-header[data-open="true"] .icon-close { display: block; }
}

/* ---------- Sections ---------- */
.section { padding-block: 88px; }
.band { background: var(--bg2); border-block: 1px solid var(--border); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 40px; }
.section-head.center { flex-direction: column; align-items: center; text-align: center; }
.section-head .lead { max-width: 440px; }
.heading-group { display: flex; flex-direction: column; gap: 8px; max-width: 680px; }
.eyebrow { color: var(--accent-ink); font-weight: 700; font-size: 15px; }
.section-title { font-size: clamp(28px, 3.4vw, 38px); font-weight: 800; }
.lead { color: var(--muted); font-size: 16px; }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: center; gap: 40px; padding-block: 56px 80px; }
.hero-copy { display: flex; flex-direction: column; gap: 24px; }
.badge { align-self: flex-start; border: 1px solid var(--border); border-radius: 999px; padding: 6px 16px; font-size: 14px; color: var(--muted); }
.hero h1 { font-size: clamp(34px, 4.6vw, 54px); line-height: 1.35; font-weight: 800; letter-spacing: -.5px; }
:lang(en) .hero h1, :lang(zh) .hero h1 { line-height: 1.2; }
.hero h1 .accent { color: var(--accent-ink); }
.hero .lead { font-size: 19px; max-width: 560px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.stats { display: flex; gap: 32px; flex-wrap: wrap; padding-top: 16px; margin-top: 8px; border-top: 1px solid var(--border); }
.stat-value { font-size: 28px; font-weight: 800; line-height: 1.5; }
.stat-label { font-size: 14px; color: var(--muted); }

.globe-col { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.globe { position: relative; width: 100%; max-width: 540px; aspect-ratio: 1 / 1; }
.globe img, .globe canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.globe img { object-fit: contain; }
.globe canvas { touch-action: pan-y; cursor: grab; opacity: 0; transition: opacity .4s ease; }
.globe canvas.ready { opacity: 1; }
.globe-toggle { position: absolute; inset-inline-end: 4%; inset-block-end: 4%; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; padding: 0; background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); box-shadow: var(--shadow); cursor: pointer; opacity: .85; transition: opacity .2s ease; }
.globe-toggle:hover, .globe-toggle:focus-visible { opacity: 1; }
.globe-toggle[hidden], .globe-toggle .icon-play, .globe-toggle[aria-pressed="true"] .icon-pause { display: none; }
.globe-toggle[aria-pressed="true"] .icon-play { display: block; }
.legend { list-style: none; margin: 0; padding: 0; display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; font-size: 13px; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 8px; }
.globe-hint { font-size: 12px; color: var(--muted); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .globe-col { order: -1; }
  .globe { max-width: 420px; }
}

/* ---------- Mode cards ---------- */
.mode-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.mode-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 14px; transition: border-color .2s ease, transform .2s ease; }
.mode-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.icon-tile { width: 52px; height: 52px; border-radius: 14px; background: var(--icon-bg); display: grid; place-items: center; color: var(--accent-ink); }
.mode-card h3 { font-size: 22px; font-weight: 700; }
.mode-card h3 a:hover { color: var(--text); }
.mode-card p { color: var(--muted); font-size: 15px; }
.mode-card ul { margin: 0; padding-inline-start: 18px; color: var(--soft); font-size: 14px; display: flex; flex-direction: column; gap: 4px; }
.more-link { margin-top: auto; color: var(--accent-ink); font-weight: 700; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Extra services ---------- */
.extra-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.extra-item { background: var(--bg); padding: 28px; display: flex; gap: 16px; }
.band .extra-item { background: var(--bg2); }
.extra-item .icon { color: var(--link2); }
.extra-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.extra-item p { color: var(--muted); font-size: 14px; }

/* ---------- Process ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; counter-reset: step; }
.steps li { display: flex; flex-direction: column; gap: 10px; padding-top: 20px; border-top: 2px solid var(--border-strong); }
.steps li:first-child { border-top-color: var(--accent); }
.step-no { font-size: 15px; color: var(--muted); font-weight: 800; }
.steps li:first-child .step-no { color: var(--accent-ink); }
.steps h3 { font-size: 20px; font-weight: 700; }
.steps p { color: var(--muted); font-size: 15px; }

/* ---------- Post cards ---------- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px 24px; }
.post-card { display: flex; flex-direction: column; gap: 14px; }
.post-cover { aspect-ratio: 16 / 10; border-radius: 16px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); display: grid; place-items: center; color: var(--border-strong); }
.post-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.post-card:hover .post-cover img { transform: scale(1.03); }
.post-cover.placeholder { background: radial-gradient(120% 90% at 85% 10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 55%), linear-gradient(135deg, var(--surface), var(--bg2)); }
.post-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.post-meta .cat { color: var(--link2); }
.post-card h3 { font-size: 20px; font-weight: 700; line-height: 1.6; }
.post-card h3 a:hover { color: var(--accent-ink); }
.post-card p { color: var(--muted); font-size: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- FAQ ---------- */
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 48px; }
@media (max-width: 860px) { .faq-layout { grid-template-columns: 1fr; gap: 28px; } }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-list details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 24px; }
.faq-list summary { font-size: 17px; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--accent-ink); font-size: 22px; line-height: 1.2; }
.faq-list details[open] summary::after { content: "–"; }
.faq-list details p { margin-top: 12px; color: var(--muted); font-size: 15px; }
.faq-answer { white-space: pre-line; }

/* ---------- CTA ---------- */
.cta-box { border-radius: 24px; background: var(--cta-bg); color: #EEF2F6; padding: 56px 48px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px; position: relative; overflow: hidden; }
.cta-box::before { content: ""; position: absolute; inset-inline-end: -120px; top: -120px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(245, 165, 36, .18), transparent 70%); pointer-events: none; }
.cta-box h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.5; }
.cta-box p { color: #B9C7D6; font-size: 17px; }
.cta-copy { display: flex; flex-direction: column; gap: 10px; flex: 1 1 420px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-box .btn-outline { border-color: #3A5A7C; color: #EEF2F6; }
@media (max-width: 600px) { .cta-box { padding: 36px 24px; } }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; padding-block: 56px 32px; font-size: 15px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col .title { font-weight: 700; }
.footer-col a, .footer-col span.muted { color: var(--muted); }
.footer-col a:hover { color: var(--text); }
.footer-brand { display: block; }
.footer-brand img { width: auto; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 20px 32px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.footer-bottom a { display: inline-flex; align-items: center; gap: 6px; }
.ltr { direction: ltr; unicode-bidi: isolate; }

/* ---------- Inner pages ---------- */
.page-head { background: var(--bg2); border-bottom: 1px solid var(--border); }
.page-head .container { padding-block: 40px 52px; display: flex; flex-direction: column; gap: 16px; }
.page-head h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; line-height: 1.45; }
.page-head .lead { font-size: 18px; max-width: 760px; }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); }
.breadcrumbs li + li::before { content: "/"; margin-inline-end: 8px; color: var(--border-strong); }
.breadcrumbs a:hover { color: var(--text); }
.page-head-row { display: flex; gap: 20px; align-items: center; }
.page-head .icon-tile { width: 64px; height: 64px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border); }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; display: flex; gap: 14px; }
.feature .icon { color: var(--accent-ink); margin-top: 4px; }
.feature h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.feature p { color: var(--muted); font-size: 15px; }
.callout { background: var(--surface); border: 1px solid var(--border); border-inline-start: 4px solid var(--accent); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.callout h2 { font-size: 22px; font-weight: 800; }
.callout p { color: var(--soft); }
.stack { display: flex; flex-direction: column; gap: 56px; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; align-items: start; }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.contact-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 8px; }
.contact-card .icon { color: var(--accent-ink); }
.contact-card .label { color: var(--muted); font-size: 14px; }
.contact-card .value { font-size: 18px; font-weight: 700; word-break: break-word; }
.note { background: var(--note-bg); border: 1px solid var(--note-border); border-radius: 14px; padding: 18px 22px; font-size: 15px; }

.error-page { min-height: 55vh; display: grid; place-items: center; text-align: center; padding-block: 80px; }
.error-page .code { font-size: 96px; font-weight: 800; color: var(--accent-ink); line-height: 1; }
.error-page h1 { font-size: 30px; font-weight: 800; margin-block: 16px 8px; }
.error-page p { color: var(--muted); margin-bottom: 24px; }

/* ---------- Blog index ---------- */
.blog-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 14px; color: var(--muted); }
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip[aria-current="page"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 700; }
.search-box { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding-inline: 12px 4px; min-height: 46px; }
.search-box input { background: transparent; border: 0; color: var(--text); font: inherit; font-size: 15px; width: 200px; outline: none; }
.search-box button { border: 0; background: var(--chip-on); color: var(--text); border-radius: 9px; padding: 6px 14px; cursor: pointer; font-size: 14px; }
.empty { border: 1px dashed var(--border-strong); border-radius: 16px; padding: 48px 24px; text-align: center; color: var(--muted); }
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 48px; color: var(--muted); font-size: 15px; }

/* ---------- Article ---------- */
.article-head .container { max-width: 900px; }
.article-head .summary { font-size: 19px; color: var(--muted); }
.cat-chip { align-self: flex-start; background: color-mix(in srgb, var(--link2) 9%, transparent); color: var(--link2); font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.byline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.byline .author { color: var(--text); font-weight: 700; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--surface); border: 1px solid var(--border); display: grid; place-items: center; color: var(--muted); overflow: hidden; flex: none; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.article-cover { max-width: 1100px; margin: 32px auto 0; padding-inline: 24px; }
.article-cover img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 20px; border: 1px solid var(--border); }
.article-layout { max-width: 1100px; margin-inline: auto; padding: 48px 24px 72px; display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 56px; align-items: start; }
@media (max-width: 960px) { .article-layout { grid-template-columns: 1fr; gap: 28px; } }
.article-aside { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 20px; }
@media (max-width: 960px) { .article-aside { position: static; } }
.aside-box { border: 1px solid var(--border); border-radius: 16px; padding: 20px; background: var(--surface); }
.aside-box .title { font-weight: 800; margin-bottom: 8px; }
.toc ol { margin: 0; padding-inline-start: 20px; font-size: 14px; display: flex; flex-direction: column; gap: 6px; color: var(--muted); }
.toc li.level-3 { margin-inline-start: 14px; list-style: circle; }
.toc a[aria-current="true"] { color: var(--accent-ink); font-weight: 700; }
.share { display: flex; gap: 8px; flex-wrap: wrap; }
.share a, .share button { border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; font-size: 13px; background: transparent; cursor: pointer; color: var(--text); }
.share a:hover, .share button:hover { border-color: var(--accent); color: var(--text); }

.prose { font-size: 18px; line-height: 2; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
:lang(en) .prose, :lang(zh) .prose { line-height: 1.85; }
.prose h2 { font-size: 28px; font-weight: 800; margin-top: 18px; scroll-margin-top: 96px; }
.prose h3 { font-size: 22px; font-weight: 700; margin-top: 8px; scroll-margin-top: 96px; }
.prose a { color: var(--link2); text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { margin: 0; padding-inline-start: 24px; display: flex; flex-direction: column; gap: 6px; }
.prose blockquote { margin: 4px 0; padding-block: 4px; padding-inline-start: 22px; border-inline-start: 4px solid var(--accent); font-size: 20px; font-weight: 500; color: var(--text); }
.prose img { border-radius: 14px; height: auto; }
.prose pre { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; overflow-x: auto; direction: ltr; font-size: 14px; }
.prose code { font-family: ui-monospace, Consolas, monospace; font-size: .9em; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--border); padding: 10px 14px; text-align: start; }
.prose th { background: var(--surface); }
.prose hr { border: 0; border-top: 1px solid var(--border); width: 100%; }
.prose .ql-align-center { text-align: center; }
.prose .ql-align-justify { text-align: justify; }
.prose .ql-align-right { text-align: right; }
.prose .ql-align-left { text-align: left; }
.inline-cta { background: var(--cta-bg); color: #EEF2F6; border-radius: 18px; padding: 28px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-top: 12px; }
.inline-cta .t { font-weight: 800; font-size: 20px; }
.inline-cta .s { color: #A3B3C4; font-size: 15px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; font-size: 14px; }
.tags a { background: var(--surface); border: 1px solid var(--border); padding: 4px 12px; border-radius: 8px; }
.author-box { display: flex; gap: 18px; border-top: 1px solid var(--border); padding-top: 24px; }
.author-box .avatar { width: 64px; height: 64px; }
.author-box .name { font-weight: 800; font-size: 17px; }
.author-box .bio { color: var(--muted); font-size: 15px; }
.prose a.btn { color: var(--on-accent); text-decoration: none; }
.prose .tags a { color: var(--text); text-decoration: none; }
.prose:lang(fa) ol { list-style-type: persian; }
.prose:lang(ar) ol { list-style-type: arabic-indic; }

/* ---------- Price inquiry form ---------- */
.inquiry { max-width: 880px; margin-inline: auto; display: flex; flex-direction: column; gap: 24px; scroll-margin-top: 90px; }
.inquiry-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; counter-reset: none; }
.inquiry-steps li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 14px; font-weight: 600; }
.inquiry-steps .step-no { width: 28px; height: 28px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--bg2); border: 1px solid var(--border-strong); font-size: 14px; }
.inquiry-steps li[aria-current] { border-color: var(--accent); color: var(--text); }
.inquiry-steps li[aria-current] .step-no { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.inquiry-steps li.done .step-no { background: var(--chip-on); color: var(--accent-ink); }
.inquiry:not(.is-stepped) .inquiry-steps { display: none; }
@media (max-width: 640px) { .inquiry-steps { grid-template-columns: repeat(4, auto); justify-content: space-between; } .inquiry-steps li { padding: 6px; border: 0; background: none; font-size: 0; } .inquiry-steps .step-no { font-size: 14px; } }

.inquiry-step { margin: 0; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.inquiry-step[hidden] { display: none; }
.inquiry-step legend { float: left; width: 100%; padding: 0; font-size: 20px; font-weight: 800; }
.inquiry-step legend + * { clear: both; }
.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field[hidden] { display: none; }
.field label, .field .label { font-weight: 600; font-size: 15px; }
.req { color: var(--accent-ink); }
/* A required field that is filled in correctly swaps its star for a green check. */
.req.ok { font-size: 0; }
.req.ok::before { content: "✓"; font-size: 16px; font-weight: 800; color: #16A34A; }
:root:not([data-theme="light"]) .req.ok::before { color: #4ADE80; }
.hint { color: var(--muted); font-size: 13px; }
.field-error { color: #F87171; font-size: 13px; min-height: 0; }
:root[data-theme="light"] .field-error { color: #B42318; }
.field-error:empty { display: none; }
.form-alert { background: rgba(248, 113, 113, .1); border: 1px solid rgba(248, 113, 113, .45); border-radius: 12px; padding: 12px 16px; font-size: 15px; }

.inquiry input:not([type="radio"]):not([type="file"]), .inquiry select, .inquiry textarea, .mobile-form input {
  width: 100%; min-height: 48px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border-strong);
  background: var(--bg); color: var(--text); font: inherit; font-size: 16px;
}
.inquiry textarea { resize: vertical; line-height: 1.7; }
.inquiry input:focus, .inquiry select:focus, .inquiry textarea:focus, .mobile-form input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.inquiry [aria-invalid="true"], .mobile-form [aria-invalid="true"] { border-color: #F87171; }
.inquiry input[type="file"] { font: inherit; font-size: 14px; color: var(--muted); }
.inquiry input[type="file"]::file-selector-button { font: inherit; margin-inline-end: 12px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--bg2); color: var(--text); cursor: pointer; }
/* A unit shown inside the field: USD always on the right, kg after the number (left in RTL, right in LTR). */
.input-unit { position: relative; }
.input-unit .unit { position: absolute; inset-block: 7px; display: grid; place-items: center; padding-inline: 12px; border-radius: 8px; background: var(--bg2); color: var(--muted); font-size: 14px; pointer-events: none; }
.input-unit.unit-right .unit { right: 7px; }
.input-unit.unit-right input { padding-right: 76px !important; }
.input-unit.unit-end .unit { inset-inline-end: 7px; }
[dir="rtl"] .input-unit.unit-end input { padding-left: 96px !important; }
[dir="ltr"] .input-unit.unit-end input { padding-right: 76px !important; }

.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; }
.photo-add { aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 10px; border: 2px dashed var(--border-strong); border-radius: 14px; background: var(--bg); color: var(--muted); font-size: 14px; font-weight: 600; text-align: center; cursor: pointer; }
.photo-add:hover, .photo-add:focus-within { border-color: var(--accent); color: var(--text); }
.photo-add[hidden] { display: none; }
.photo-add small { font-weight: 500; font-size: 12px; }
.photo { position: relative; aspect-ratio: 1; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--bg2); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo button { position: absolute; top: 6px; inset-inline-end: 6px; width: 32px; height: 32px; display: grid; place-items: center; border: 0; border-radius: 50%; background: rgba(10, 24, 38, .78); color: #FFF; cursor: pointer; }
.photo button:hover { background: #DC2626; }
.photo button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.inquiry.is-stepped [data-photos] input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.choice-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.choice-card { position: relative; display: flex; gap: 14px; align-items: flex-start; padding: 20px; border: 1px solid var(--border-strong); border-radius: 16px; cursor: pointer; background: var(--bg); }
.choice-card input, .chip-option input { position: absolute; opacity: 0; pointer-events: none; }
.choice-check { width: 24px; height: 24px; flex: none; border-radius: 7px; border: 2px solid var(--border-strong); margin-top: 3px; display: grid; place-items: center; }
.choice-card:has(input:checked) { border-color: var(--accent); background: var(--note-bg); }
.choice-card:has(input:checked) .choice-check { background: var(--accent); border-color: var(--accent); }
.choice-card:has(input:checked) .choice-check::after { content: ""; width: 6px; height: 11px; border: solid var(--on-accent); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg) translate(-1px, -1px); }
.choice-card:has(input:focus-visible), .chip-option:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.choice-text { display: flex; flex-direction: column; gap: 4px; }
.choice-text strong { font-size: 17px; }
.choice-text small { color: var(--muted); font-size: 14px; line-height: 1.7; }

.chip-options { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-option { position: relative; }
.chip-option span { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--border-strong); cursor: pointer; font-size: 15px; background: var(--bg); }
.chip-option input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 700; }

.packages { display: flex; flex-direction: column; gap: 10px; }
.packages[hidden] { display: none; }
.package-head, .package-row { display: grid; grid-template-columns: 32px repeat(3, minmax(0, 1fr)) minmax(84px, .8fr); gap: 10px; align-items: center; }
.package-head { color: var(--muted); font-size: 13px; font-weight: 600; }
.package-no { color: var(--muted); text-align: center; font-size: 14px; }
.package-kg { font-weight: 700; text-align: center; padding: 10px 6px; border-radius: 10px; background: var(--bg2); font-variant-numeric: tabular-nums; }
[data-package-rows] { display: flex; flex-direction: column; gap: 10px; }
@media (max-width: 520px) { .package-head, .package-row { grid-template-columns: 22px repeat(3, minmax(0, 1fr)) 64px; gap: 6px; } .package-row input { padding-inline: 8px !important; } }

.weight-summary { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.weight-summary div { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border); background: var(--bg); display: flex; flex-direction: column; gap: 4px; }
.weight-summary dt { color: var(--muted); font-size: 13px; }
.weight-summary dd { margin: 0; font-size: 20px; font-weight: 800; }
.weight-summary .final { border-color: var(--accent); background: var(--note-bg); }
@media (max-width: 560px) { .weight-summary { grid-template-columns: 1fr; } }

.inquiry-nav { display: flex; gap: 12px; justify-content: space-between; }
.inquiry-nav [data-submit], .inquiry-nav [data-next] { margin-inline-start: auto; }
.inquiry-nav [hidden] { display: none; }
.inquiry:not(.is-stepped) .inquiry-nav [data-submit] { display: inline-flex; }

/* ---------- Inquiry result ---------- */
.inquiry-result { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 28px; align-items: start; }
@media (max-width: 900px) { .inquiry-result { grid-template-columns: 1fr; } }
.price-card, .inquiry-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.price-card { border-color: var(--accent); }
.price-card h2, .inquiry-summary h2 { font-size: 20px; font-weight: 800; }
.price-amount { font-size: clamp(30px, 5vw, 44px); font-weight: 800; color: var(--accent-ink); line-height: 1.3; }
.price-amount span { font-size: 18px; font-weight: 600; color: var(--muted); }
.price-pending { background: var(--note-bg); border: 1px solid var(--note-border); border-radius: 14px; padding: 16px 18px; }
.mobile-form { display: flex; flex-direction: column; gap: 10px; padding-top: 16px; border-top: 1px solid var(--border); }
.mobile-form label { font-weight: 700; }
.mobile-row { display: flex; gap: 10px; }
.mobile-row input { flex: 1; text-align: left; }
@media (max-width: 480px) { .mobile-row { flex-direction: column; } }
.form-done { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; border-radius: 14px; background: rgba(52, 211, 153, .1); border: 1px solid rgba(52, 211, 153, .4); }
.form-done .icon { color: #34D399; margin-top: 4px; }
.inquiry-summary dl { margin: 0; display: flex; flex-direction: column; }
.inquiry-summary dl div { display: flex; justify-content: space-between; gap: 16px; padding-block: 10px; border-bottom: 1px solid var(--border); }
.inquiry-summary dt { color: var(--muted); }
.inquiry-summary dd { margin: 0; font-weight: 600; text-align: end; }
.inquiry-summary .final dd { color: var(--accent-ink); font-weight: 800; }
.package-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.package-table th, .package-table td { padding: 8px; text-align: center; border-bottom: 1px solid var(--border); }
.package-table th { color: var(--muted); font-weight: 600; }