@font-face {
  font-family: "Manrope";
  src: url("../assets/fonts/manrope-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Vazirmatn";
  src: url("../assets/fonts/vazirmatn-variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-block-start: var(--space-component); }
body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font: var(--weight-normal) var(--text-body)/var(--leading-body) var(--font-site);
}
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
a { color: var(--color-link); text-underline-offset: .24em; }
a:hover { color: var(--color-accent-contrast); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
.skip-link {
  position: absolute;
  inset: 8px auto auto 16px;
  z-index: 20;
  padding: 10px 16px;
  color: var(--color-bg);
  background: var(--color-accent-contrast);
  clip-path: inset(50%);
}
.skip-link:focus, .skip-link:hover { clip-path: none; color: var(--color-bg); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--color-heading); }
h1, h2 { font-weight: var(--weight-medium); line-height: var(--leading-heading); }
h1 { font-size: clamp(44px, 4.3vw, var(--text-hero)); letter-spacing: -.045em; }
h2 { font-size: var(--text-heading); letter-spacing: -.037em; }
h3 { font-size: var(--text-subheading); line-height: 1.25; font-weight: var(--weight-strong); letter-spacing: -.024em; }
p + p { margin-block-start: var(--space-compact); }
.container { width: min(var(--container-max), calc(100% - 2 * var(--container-padding))); margin-inline: auto; }
.section { padding-block: var(--space-section); }
.section-heading { max-width: var(--container-narrow); margin-block-end: var(--space-region); }
.section-heading .lead { margin-block-start: var(--space-component); }
.lead { font-size: var(--text-lead); line-height: var(--leading-lead); }
.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-compact);
  margin-block-end: 20px;
  color: var(--color-link);
  font-size: var(--text-label);
  font-weight: var(--weight-strong);
  letter-spacing: .13em;
  line-height: 1.4;
  text-transform: uppercase;
}
.route-signature { width: 43px; height: 23px; flex: 0 0 auto; }
.icon { inline-size: 24px; block-size: 24px; flex: 0 0 auto; }
.icon-tile {
  display: grid;
  place-items: center;
  inline-size: 54px;
  block-size: 54px;
  color: var(--color-link);
  background: var(--color-highlight);
  border-radius: var(--radius-action);
}
.icon-tile .icon { inline-size: 30px; block-size: 30px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 28px; margin-block-start: 32px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  padding: 13px 25px;
  border: 1px solid var(--color-link);
  border-radius: var(--radius-action);
  color: var(--color-accent-contrast);
  background: var(--color-accent);
  font-size: var(--text-action);
  font-weight: var(--weight-strong);
  line-height: 1.5;
  text-decoration: none;
  transition: background-color var(--duration-feedback) var(--ease-feedback);
}
.button:hover { color: var(--color-accent-contrast); background: var(--color-accent-hover); }
.button-secondary { color: var(--color-link); background: var(--color-bg); }
.button-secondary:hover { background: var(--color-highlight); }
.button:disabled { color: var(--color-text-muted); background: var(--color-highlight); border-color: var(--color-divider); cursor: default; }
.button .icon { inline-size: 19px; block-size: 19px; }

.site-header { border-block-end: 1px solid var(--color-divider); background: var(--color-bg); }
.header-inner { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 15px; flex-shrink: 0; text-decoration: none; }
.brand img { width: 60px; height: 60px; object-fit: contain; }
.brand-description { color: var(--color-text-muted); font-size: var(--text-label); line-height: 1.5; }
.header-nav, .fallback-nav { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-component); font-size: 14px; }
.header-nav a { color: var(--color-text); padding-block: 10px; text-decoration: none; }
.header-nav a:hover { color: var(--color-link); text-decoration: underline; }
.header-contact { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: var(--weight-strong); }
.header-contact .icon { width: 18px; height: 18px; }
.fallback-header, .fallback-footer { padding-block: var(--space-component); }
.fallback-nav { margin-block-start: var(--space-compact); }

.hero {
  padding-block: 92px 104px;
  background: var(--color-bg) url("../assets/backgrounds/hero-frames.svg") right center / cover no-repeat;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 60px; align-items: center; }
.hero-main .lead { max-width: 620px; margin-block-start: 28px; }
.hero-graphic-slot { display: grid; place-items: center; min-width: 0; }
.hero-art { width: 100%; height: auto; }

.archive-section {
  background: var(--color-surface) url("../assets/backgrounds/archive-terrain.svg") right bottom / min(80%, 1150px) auto no-repeat;
  border-block: 1px solid var(--color-divider);
}
.archive-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: var(--space-region);
  align-items: center;
  padding-block-end: var(--space-component);
  border-block-end: 1px solid var(--color-divider);
  margin-block-end: 32px;
}
.archive-art { width: min(100%, 330px); height: auto; justify-self: end; }
.archive-date { display: flex; align-items: center; gap: 10px; margin-block-start: 18px; color: var(--color-text-muted); font-size: 15px; }
.archive-date .icon { width: 20px; height: 20px; color: var(--color-link); }
.archive-copy { max-width: none; }
.archive-copy > .lead { margin-block-end: 20px; }
.archive-copy h3 { margin-block-end: var(--space-compact); }
.archive-copy > a { display: inline-block; margin-block-start: 16px; }
.archive-details { margin-block: 28px; padding-block: 19px; border-block: 1px solid var(--color-divider); }
.archive-details summary { cursor: pointer; color: var(--color-link); font-weight: var(--weight-strong); }
.archive-details > div { padding-block-start: 16px; }

@media (min-width: 900px) {
  #business-trips .section-heading {
    max-width: none;
    background: url("../assets/backgrounds/trip-route.svg") right center / min(29%, 350px) auto no-repeat;
  }
  #business-trips .section-heading > :is(h2, .lead) { max-width: min(var(--container-narrow), 68%); }
}

.trip-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px 28px; }
.trip-panel {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 3;
  padding: 32px;
  border: 1px solid var(--color-divider);
  border-block-start: 3px solid var(--color-accent);
  border-radius: var(--radius-panel);
}
.trip-panel:nth-child(2) { border-block-start-color: var(--color-partner); }
.trip-panel h3 { font-size: 24px; }
.trip-panel p { font-size: var(--text-list); }
.trip-actions { justify-content: center; }

#about {
  --color-heading: var(--color-bg);
  --color-link: var(--color-link-inverse);
  --color-focus: var(--color-link-inverse);
  color: var(--color-surface);
  background: var(--color-deep) url("../assets/backgrounds/company-bridge.svg") center bottom / clamp(1040px, 100%, 1540px) auto no-repeat;
}
#about a:hover { color: var(--color-bg); }
.editorial-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 72px; align-items: start; }
.editorial-grid h2 { font-size: 36px; overflow-wrap: anywhere; }
.editorial-grid .prose { padding-inline-start: 28px; border-inline-start: 2px solid var(--color-link); }
.editorial-grid .prose > p + p { margin-block-start: 20px; }
.editorial-grid .prose > a { display: inline-block; margin-block-start: 20px; }

#services { background: var(--color-surface) url("../assets/backgrounds/services-banks.svg") center / 100% 100% no-repeat; }
.service-rows { display: flex; flex-direction: column; gap: 20px; }
.service-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 20px;
  width: calc(100% - 96px);
  padding: 30px 34px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
}
.service-row:nth-child(even) { align-self: end; background: var(--color-highlight); }
.service-row:nth-child(even) .icon-tile { color: var(--color-accent-contrast); background: var(--color-surface); }
.service-content h3 { margin-block-end: 13px; }
.service-body > p { color: var(--color-text-muted); font-size: var(--text-action); font-weight: var(--weight-medium); }
.service-body ul { columns: 2; column-gap: 36px; margin: 11px 0 0; padding-inline-start: 19px; }
.service-body li { break-inside: avoid; margin-block-end: 9px; padding-inline-start: 3px; font-size: var(--text-list); }
.service-body li::marker, .faq-list summary::marker { color: var(--color-link); }

.faq-layout { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); gap: 62px; align-items: start; }
.faq-layout .section-heading { margin: 0; }
.faq-list details { padding: 20px 24px; border: 1px solid var(--color-divider); border-radius: var(--radius-action); background: var(--color-bg); }
.faq-list details + details { margin-block-start: 10px; }
.faq-list summary { cursor: pointer; font-size: 19px; font-weight: var(--weight-strong); }
.faq-list details p, .faq-answer { margin-block-start: 14px; font-size: var(--text-list); }
.faq-answer ul { margin: 0; padding-inline-start: 21px; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: 58px;
  align-items: start;
  padding: 52px;
  border-radius: var(--radius-panel);
  background: var(--color-highlight) url("../assets/backgrounds/contact-connections.svg") left bottom / min(64%, 750px) auto no-repeat;
}
.contact-intro .lead { margin-block-start: 22px; }
.contact-email { margin-block-start: 18px; }
.contact-form { padding: 30px; border: 1px solid var(--color-divider); border-radius: var(--radius-panel); background: var(--color-bg); box-shadow: var(--shadow-form); }
.contact-form h3 { margin-block-end: 23px; }
.form-field { margin-block-end: 17px; }
.form-field label { display: block; margin-block-end: 6px; font-size: 14px; font-weight: var(--weight-strong); }
.form-field input, .form-field textarea {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
}
.form-field textarea { min-height: 116px; resize: vertical; }
.form-note { margin-block-start: 13px; color: var(--color-text-muted); font-size: var(--text-label); line-height: 1.6; }
.form-standalone { max-width: 620px; }
.form-standalone h1 { margin-block: var(--space-component); font-size: var(--text-heading); }
.form-trap { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); }
.field-error { margin-block-start: 6px; color: var(--color-form-error); font-size: var(--text-label); }
.form-field [aria-invalid="true"] { border-color: var(--color-form-error); }
#form-status[data-error] { color: var(--color-form-error); }

.site-footer { padding-block: 50px 26px; background: var(--color-surface); border-block-start: 1px solid var(--color-divider); }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 62px; }
.footer-name { display: inline-block; margin-block-end: 13px; color: var(--color-heading); font-size: 34px; font-weight: var(--weight-strong); line-height: 1; text-decoration: none; }
.footer-identity p, .footer-contact p { max-width: 320px; color: var(--color-text-muted); font-size: var(--text-action); }
.footer-title { margin-block-end: 11px; font-size: var(--text-action); font-weight: var(--weight-strong); }
.footer-nav { display: grid; gap: 7px; font-size: 14px; }
.footer-contact > a { display: inline-block; margin-block-start: 13px; }
.footer-identity .route-signature { margin-block-start: 20px; }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-component); margin-block-start: 32px; padding-block-start: 18px; border-block-start: 1px solid var(--color-divider); color: var(--color-text-muted); font-size: var(--text-label); }
.back-to-top {
  position: fixed;
  inset: auto 18px 18px auto;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding-inline: 11px;
  color: var(--color-link);
  background: var(--color-bg);
  border: 1px solid var(--color-link);
  border-radius: var(--radius-action);
  font-size: var(--text-label);
  font-weight: var(--weight-strong);
  text-decoration: none;
}
.back-to-top:hover { background: var(--color-highlight); }
.back-to-top .icon { width: 16px; height: 16px; }

/* Keep the return link clear of the shared content column. */
@media (max-width: 1536px) {
  .back-to-top {
    position: static;
    display: flex;
    width: fit-content;
    margin-block: var(--space-compact);
    margin-inline: auto max(var(--container-padding), calc((100% - var(--container-max)) / 2));
  }
}

@media (max-width: 1100px) {
  h1 { font-size: var(--text-hero); }
  main, .site-footer { overflow-wrap: anywhere; }
  .hero { padding-block: var(--space-section); }
  .hero-grid { gap: var(--space-region); }
  .archive-heading { margin-block-end: var(--space-component); }
  .trip-columns { column-gap: var(--space-component); }
  .trip-panel { padding: var(--space-component); }
  .trip-panel h3 { font-size: clamp(22px, 2.6vw, 24px); }
  .editorial-grid { gap: var(--space-region); }
  .editorial-grid h2 { font-size: clamp(27px, 3.4vw, 36px); }
  .service-row {
    width: calc(100% - var(--space-region));
    gap: var(--space-component);
    padding: var(--space-component);
  }
  .service-body ul { column-gap: var(--space-component); }
  .faq-layout { gap: var(--space-region); }
  .contact-grid { gap: var(--space-region); padding: var(--space-region); }
  .footer-grid { gap: var(--space-region); }
}

@media (width < 900px) {
  #business-trips .section-heading {
    --trip-art-height: clamp(108px, 22vw, 156px);
    padding-block-end: var(--trip-art-height);
    background: url("../assets/backgrounds/trip-route.svg") right bottom / auto var(--trip-art-height) no-repeat;
  }
}

@media (max-width: 820px) {
  .editorial-grid, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  #about {
    padding-block-end: calc(var(--space-section) + clamp(44px, 9vw, 74px));
    background-position: left bottom;
    background-size: clamp(590px, 100%, 1040px) auto;
  }
  .editorial-grid .prose { padding-inline-start: var(--space-component); }
  .service-body ul { columns: 1; }
  .contact-grid {
    padding-block-end: clamp(106px, 23vw, 176px);
    background-size: min(100%, 600px) auto;
  }
  .contact-form { padding: var(--space-component); }
}

@media (max-width: 760px) {
  .hero {
    background-position: right bottom;
    background-size: auto clamp(250px, 60vw, 455px);
  }
  .hero-grid, .trip-columns, .faq-layout { grid-template-columns: minmax(0, 1fr); }
  .hero-main .lead { margin-block-start: var(--space-component); }
  .hero-graphic-slot { justify-self: center; width: min(100%, 460px); }
  .trip-panel { grid-template-rows: auto; grid-row: auto; gap: var(--space-compact); }
  .trip-actions { justify-content: flex-start; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-identity { grid-column: 1 / -1; }
}

@media (max-width: 650px) {
  .archive-section { background-size: min(115%, 690px) auto; }
  .archive-heading { grid-template-columns: minmax(0, 1fr); gap: var(--space-component); }
  .archive-art { width: min(100%, 280px); justify-self: start; }
}

@media (max-width: 600px) {
  .eyebrow { margin-block-end: var(--space-compact); }
  .actions { margin-block-start: var(--space-component); gap: var(--space-compact); }
  .actions > a:not(.button), .contact-email a { display: inline-flex; min-height: 44px; align-items: center; }
  .button { min-height: 48px; padding: 10px 16px; text-align: center; }
  .archive-details { padding-block: 0; }
  .archive-details summary { min-block-size: 44px; padding-block: var(--space-compact); }
  .archive-details > div { padding-block: 0 var(--space-component); }
  .icon-tile { inline-size: 44px; block-size: 44px; }
  .icon-tile .icon { inline-size: 26px; block-size: 26px; }
  .service-row { width: 100%; grid-template-columns: 44px minmax(0, 1fr); gap: var(--space-compact); }
  .service-content { display: contents; }
  .service-content h3 { margin-block-end: 0; align-self: center; }
  .service-body { grid-column: 1 / -1; }
  .faq-list details { padding: var(--space-micro) var(--space-component); }
  .faq-list details[open] { padding-block-end: var(--space-component); }
  .faq-list summary { min-block-size: 44px; padding-block: var(--space-micro); font-size: var(--text-list); }
  .contact-grid { padding-inline: var(--space-component); padding-block-start: var(--space-component); }
  .contact-intro .lead { margin-block-start: var(--space-component); }
  .contact-email { margin-block-start: var(--space-micro); }
  .site-footer { padding-block: var(--space-region) var(--space-component); }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-nav { gap: 0; }
  .footer-nav a { display: flex; min-block-size: 44px; align-items: center; width: fit-content; }
  .footer-bottom { flex-wrap: wrap; margin-block-start: var(--space-component); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}

html[dir="rtl"] { --font-site: var(--font-site-rtl); }
[dir="rtl"] :is(h1, h2, h3, .eyebrow) { letter-spacing: normal; }
[dir="rtl"] .hero { background-image: url("../assets/backgrounds/hero-frames-rtl.svg"); }
[dir="rtl"] .archive-section { background-image: url("../assets/backgrounds/archive-terrain-rtl.svg"); background-position: left bottom; }
[dir="rtl"] #business-trips .section-heading { background-image: url("../assets/backgrounds/trip-route-rtl.svg"); background-position: left center; }
[dir="rtl"] #about { background-image: url("../assets/backgrounds/company-bridge-rtl.svg"); }
[dir="rtl"] #services { background-image: url("../assets/backgrounds/services-banks-rtl.svg"); }
[dir="rtl"] .contact-grid { background-image: url("../assets/backgrounds/contact-connections-rtl.svg"); background-position: right bottom; }
.contact-email a, .footer-contact > a { direction: ltr; unicode-bidi: isolate; }

@media (width < 900px) {
  [dir="rtl"] #business-trips .section-heading { background-position: left bottom; }
}
@media (max-width: 820px) {
  [dir="rtl"] #about { background-position: right bottom; }
}
@media (max-width: 760px) {
  [dir="rtl"] .hero { background-position: left bottom; }
}