/* Readable Persian, quieter surfaces, and consistent roles.
   Peyda, the ink/blue palette, and the original editorial grid stay authoritative. */
:root {
  --type-body: 1rem;
  --type-label: .875rem;
  --type-meta: .75rem;
  --type-item: clamp(1.375rem, 1.8vw, 1.625rem);
  --type-section: clamp(1.875rem, 3.2vw, 2.75rem);
  --type-display: clamp(2.5rem, 4.8vw, 4.25rem);
  --reading-leading: 2;
  --reading-measure: 66ch;
  --radius-control: 6px;
  --muted: #a9afbb;
  --line: #323842;
  --primary-ink: #101827;
}
html[data-theme=light] {
  --bg: #f8f8f5;
  --surface: #eeefeb;
  --surface2: #e4e7e4;
  --fg: #20252d;
  --muted: #58616c;
  --line: #ced3d1;
  --accent: #315fc2;
  --button: #315fc2;
  --primary-ink: #fff;
}
html { scroll-padding-top: 112px; }
body { font-size: var(--type-body); line-height: var(--reading-leading); }
h1, h2, h3 { letter-spacing: normal; text-wrap: balance; }
p { text-wrap: pretty; }
button, input, a { touch-action: manipulation; }
button { -webkit-appearance: none; }
button:focus-visible, a:focus-visible, input:focus-visible,
[tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--bg); }
.en { letter-spacing: .04em; }
.tiny, .index { font-size: var(--type-meta); }
.page-shell { max-width: 1240px; padding-inline: 52px; }
.header-inner { max-width: 1344px; min-height: 88px; padding-inline: 52px; }
.desktop-nav { gap: 30px; font-size: var(--type-label); }
.desktop-nav a { padding-block: 10px; }
.header-actions { gap: 4px; }
.icon-button { width: 44px; height: 44px; border-radius: var(--radius-control); }
.hero { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 72px; padding-block: 80px 72px; min-height: 720px; }
.hero-copy { min-width: 0; }
.eyebrow { font-size: var(--type-label); gap: 12px; }
.eyebrow .en { font-size: .6875rem; letter-spacing: .08em; }
h1 { font-size: var(--type-display); font-weight: 700; line-height: 1.5; margin-block: 28px 24px; }
.hero-description { font-size: 1.125rem; line-height: 2; max-width: 47ch; margin-bottom: 32px; }
.hero-buttons { gap: 12px; }
.button { min-height: 52px; padding: 11px 20px; font-size: var(--type-label); font-weight: 500; border-radius: var(--radius-control); gap: 18px; }
.button.primary { color: var(--primary-ink); }
.hero-note { font-size: var(--type-meta); gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.portrait-frame { margin: 0 0 0 4px; padding: 10px; }
.portrait-frame > img { height: auto; aspect-ratio: 4 / 5; object-position: center 35%; filter: saturate(.85); }
.portrait-frame figcaption { right: 30px; left: 30px; bottom: 30px; font-size: var(--type-meta); }
.portrait-frame figcaption .en { font-size: 1.125rem; letter-spacing: .12em; }
.portrait-index { font-size: .6875rem; }
.intro-strip { padding-block: 28px; gap: 28px; }
.intro-strip p, .intro-strip > div { font-size: var(--type-label); }
.intro-strip > div { gap: 20px; flex-shrink: 0; }
.intro-strip b { font-size: var(--type-meta); }
.section { padding-top: 112px; }
.section-heading { margin-bottom: 40px; gap: 40px; }
h2 { font-size: var(--type-section); line-height: 1.65; font-weight: 600; }
.section-kicker { font-size: var(--type-label); margin-bottom: 12px; }
.section-kicker .en { font-size: var(--type-meta); }
.section-heading > p { font-size: var(--type-label); line-height: 2; max-width: 38ch; }
h3 { font-size: var(--type-item); line-height: 1.8; font-weight: 600; }
.experience-grid article { padding: 36px; }
.experience-grid h3 { font-size: 1.75rem; margin-bottom: 8px; }
.experience-top { margin-bottom: 28px; }
.role { font-size: var(--type-label); line-height: 2; margin-bottom: 16px; }
.experience-grid article > p:not(.role) { font-size: var(--type-body); min-height: 0; line-height: var(--reading-leading); margin-bottom: 20px; }
.text-link { font-size: var(--type-label); min-height: 44px; gap: 16px; }
.capability { padding: 30px 28px 32px; }
.capability-top { margin-bottom: 24px; }
.capability h3 { font-size: 1.25rem; margin-bottom: 12px; }
.capability p { font-size: var(--type-body); line-height: var(--reading-leading); }
.work-toolbar { align-items: flex-end; gap: 24px; margin-bottom: 32px; }
.filters { gap: 26px; min-width: 0; }
.filter { font-size: var(--type-label); min-height: 52px; padding-block: 14px 18px; }
.filter span { font-size: var(--type-meta); padding: 2px 7px; }
#project-count { font-size: .6875rem; padding-bottom: 20px; white-space: nowrap; }
.work-toolbar > .project-count { flex-shrink: 0; }
body:has(dialog[open]) { overflow: hidden; }
.project-grid { gap: 52px 32px; }
.project-open { border-radius: 4px; }
.project-visual { border-radius: 6px; }
.project-meta { font-size: var(--type-meta); line-height: 1.8; margin-top: 20px; gap: 16px; }
.project-meta .en { font-size: .6875rem; }
.project-card h3 { font-size: var(--type-item); line-height: 1.8; margin-block: 10px 8px; }
.project-card p { font-size: var(--type-body); line-height: var(--reading-leading); margin-bottom: 18px; max-width: var(--reading-measure); }
.tags { gap: 7px; }
.tag { font-size: var(--type-meta); line-height: 1.9; padding: 3px 9px; border-radius: 4px; }
.project-card .project-case-link { font-size: var(--type-label); margin-top: 18px; min-height: 36px; }
.project-credit { font-size: var(--type-label); line-height: 2; margin-top: 20px; }
.archive-jump { margin-top: 36px; }
.archive-nav { gap: 12px 28px; padding-block: 14px; }
.archive-nav a { font-size: var(--type-label); min-height: 44px; }
.archive-entry { grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: 48px; padding-block: 56px; }
.archive-copy { min-width: 0; }
.archive-eyebrow { font-size: var(--type-meta); letter-spacing: .03em; line-height: 1.9; }
.archive-copy > h3 { font-size: 1.625rem; margin-bottom: 24px; }
.archive-paragraphs p { font-size: var(--type-body); line-height: var(--reading-leading); max-width: var(--reading-measure); margin-bottom: 20px; }
.archive-paragraphs p.archive-emphasis { font-size: 1.25rem; line-height: 1.95; }
.archive-paragraphs p.en { font-size: var(--type-label); line-height: 1.8; overflow-wrap: anywhere; }
.archive-paragraphs p.en.archive-emphasis { font-size: 1.75rem; line-height: 1.5; }
.text-only .archive-paragraphs { max-width: var(--reading-measure); }
.text-only .archive-paragraphs p { max-width: 100%; }
.archive-zoom { width: 36px; height: 36px; opacity: 1; transform: none; border-radius: 4px; }
.archive-photo { border-radius: 4px; }
.about-grid { gap: 64px; }
.about-text p { font-size: var(--type-body); line-height: var(--reading-leading); max-width: var(--reading-measure); margin-bottom: 24px; }
.about-text p.large-copy { font-size: 1.625rem; line-height: 1.95; margin-bottom: 28px; }
.education { margin-top: 32px; }
.education p { margin-bottom: 8px; }
.education > .muted { font-size: var(--type-label); }
.about-facts > div > span { font-size: var(--type-label); }
.about-facts strong { line-height: 1.7; }
.tools-intro { font-size: var(--type-body); line-height: 2; max-width: var(--reading-measure); margin-bottom: 28px; }
.tools-directory { gap: 10px; padding-top: 24px; }
.tools-directory a { font-size: var(--type-label); padding: 8px 14px; min-height: 44px; border-radius: var(--radius-control); }
.tool-group { margin-top: 44px; }
.tool-group-heading { gap: 12px; margin-bottom: 20px; }
.tool-group-title { gap: 10px; }
.tool-group-title h3 { font-size: 1.25rem; font-weight: 600; }
.tool-group-title > .index, .tool-group-count { font-size: var(--type-meta); }
.tool-group-heading > p { font-size: var(--type-label); line-height: 1.9; }
.tools-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tool-group .tool { gap: 14px; padding: 24px 18px; min-height: 116px; align-items: flex-start; }
.tool-group .tool-icon { margin-top: 3px; }
.tool-group .tool-name { font-size: var(--type-label); line-height: 1.75; overflow-wrap: anywhere; }
.tool-group .tool-name.fa-name { font-size: var(--type-body); }
.tool-group .tool small { font-size: var(--type-label); line-height: 1.9; margin-top: 6px; }
.tool-group .tool-status, .tool-status { font-size: var(--type-meta); padding: 1px 6px; }
.tools-draft-note { font-size: var(--type-label); line-height: 2; align-items: baseline; }
.process-tabs { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.process-tab { min-height: 68px; padding: 20px 14px; font-size: var(--type-label); }
.process-tab .en { font-size: var(--type-meta); }
.process-panel { gap: 48px; padding-block: 40px; }
.process-panel h3 { font-size: var(--type-item); margin-bottom: 16px; }
.process-panel p { font-size: var(--type-body); line-height: var(--reading-leading); }
.process-output { font-size: var(--type-label); line-height: 2; padding-top: 12px; border-top: 1px solid var(--line); }
.process-node { font-size: var(--type-meta); min-width: 68px; min-height: 76px; box-shadow: none; }
.contact-section { padding-block: 128px 96px; }
.contact-label { font-size: var(--type-label); }
.contact-section h2 { font-size: clamp(2rem, 4.6vw, 3.75rem); line-height: 1.65; margin-top: 18px; }
.contact-section > p { font-size: var(--type-body); margin-block: 24px; }
.contact-links { gap: 14px; max-width: 100%; }
.email-link { font-size: clamp(1.25rem, 3vw, 2rem); letter-spacing: 0; gap: 14px; min-width: 0; line-height: 1.8; }
.contact-meta { font-size: var(--type-label); gap: 28px; }
.contact-meta a { min-height: 44px; display: inline-flex; align-items: center; }
footer { padding-block: 28px; gap: 20px; }
footer p, footer > .en { font-size: var(--type-meta); }
.back-top { min-width: 44px; min-height: 44px; }
dialog { border-radius: 10px; }
.case-dialog { max-height: 90dvh; }
.dialog-close { width: 44px; height: 44px; }
.case-body { padding: 40px 48px; }
.case-body h2 { font-size: var(--type-section); line-height: 1.7; }
.case-summary { font-size: 1.125rem; line-height: 2; max-width: var(--reading-measure); }
.case-role { border: 1px solid var(--line); padding: 24px; font-size: var(--type-body); line-height: 2; border-radius: 6px; }
.case-role b { font-size: var(--type-label); margin-bottom: 12px; }
.case-columns { gap: 36px; }
.case-columns h3, .case-gallery-title { font-size: 1.25rem; margin-block: 28px 12px; }
.case-columns h3:first-child { margin-top: 0; }
.case-columns p { font-size: var(--type-body); line-height: 2; }
.case-gallery-title { margin-top: 32px; }
.case-caption, .case-next span { font-size: var(--type-meta); line-height: 2; }
.case-next button { font-size: var(--type-label); min-height: 44px; text-align: right; }
.search-dialog { padding: 32px; max-height: 85dvh; }
.search-heading h2 { font-size: 1.375rem; }
.search-dialog input { font-size: var(--type-body); min-height: 52px; border-radius: var(--radius-control); }
.search-result { font-size: var(--type-body); padding-block: 18px; line-height: 1.9; align-items: center; }
.search-result small { font-size: var(--type-meta); white-space: nowrap; }
.toast { font-size: var(--type-label); padding: 12px 20px; max-width: calc(100vw - 32px); text-align: center; border-radius: var(--radius-control); }
.browser-toolbar { min-height: 46px; height: auto; padding: 5px 10px; gap: 8px; }
.browser-address { min-width: 0; font-size: var(--type-meta); letter-spacing: 0; }
.browser-action { min-width: 36px; min-height: 36px; }
.browser-caption { font-size: var(--type-meta); line-height: 1.9; padding: 7px 12px; }
.browser-scroll-value { font-size: var(--type-meta); }
.site-preview-heading { min-height: 64px; height: auto; }
.site-preview-heading h2 { font-size: var(--type-body); }
.site-preview-heading .icon-button { width: 44px; height: 44px; }
@media (hover: hover) and (pointer: fine) {
  html[data-theme=light] .button.primary:hover { background: #264eaa; }
  .project-open:hover h3 { color: var(--accent); }
  .text-link:hover { text-decoration: underline; text-decoration-thickness: 1px; }
}
@media (max-width: 1100px) {
  .page-shell { margin-inline: 24px; padding-inline: 36px; }
  .header-inner { padding-inline: 36px; gap: 20px; }
  .desktop-nav { gap: 20px; }
  .hero { gap: 40px; min-height: 640px; }
  h1 { font-size: clamp(2.5rem, 4.8vw, 3.5rem); }
  .eyebrow .en { display: none; }
  .intro-strip { align-items: flex-start; flex-direction: column; gap: 16px; }
  .work-toolbar > .en, .work-toolbar > .project-count { display: none; }
  .tools-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-group-heading { align-items: flex-start; flex-direction: column; }
  .tool-group-heading > p { padding-right: 0; }
  .tool-group .tool { padding: 22px 18px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 92px; }
  .header-inner { min-height: 76px; padding-inline: 20px; gap: 12px; }
  .wordmark { font-size: 27px; }
  .page-shell { margin-inline: 12px; padding-inline: 24px; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 44px; padding-block: 44px 40px; min-height: 0; }
  h1 { font-size: clamp(2.25rem, 7vw, 3.5rem); line-height: 1.55; margin-block: 24px; }
  .hero-description { font-size: var(--type-body); max-width: 48ch; }
  .hero-buttons .button { font-size: var(--type-label); padding: 11px 16px; gap: 14px; }
  .hero-note { font-size: var(--type-meta); gap: 10px; }
  .portrait-frame { max-width: 440px; width: 100%; margin: 0; }
  .portrait-frame > img { max-height: none; aspect-ratio: 4 / 4.6; }
  .portrait-index { display: none; }
  .intro-strip > div { gap: 12px; width: 100%; justify-content: space-between; }
  .intro-strip p, .intro-strip > div { font-size: var(--type-label); }
  .section { padding-top: 76px; }
  .section-heading { gap: 16px; margin-bottom: 28px; }
  .section-heading > p { font-size: var(--type-label); max-width: 100%; }
  .experience-grid { grid-template-columns: minmax(0, 1fr); }
  .experience-grid article:first-child { border-left: 0; border-bottom: 1px solid var(--line); padding: 28px 0; }
  .experience-grid article:last-child { padding: 28px 0; }
  .role { font-size: var(--type-label); min-height: 0; }
  .role span { display: inline; }
  .experience-grid article > p:not(.role) { font-size: var(--type-body); min-height: 0; }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability { padding: 24px 20px 28px; }
  .capability:nth-child(3n+1) { padding-right: 20px; }
  .capability:nth-child(2n+1) { padding-right: 0; }
  .capability h3 { font-size: 1.125rem; }
  .capability p { font-size: var(--type-body); }
  .filters { gap: 24px; overflow-x: auto; flex-wrap: nowrap; padding-inline: 4px; }
  .filter { font-size: var(--type-label); white-space: nowrap; }
  .work-toolbar { margin-bottom: 28px; }
  .project-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .project-visual { aspect-ratio: 1.45; }
  .project-meta .year { display: block; }
  .project-card h3 { font-size: 1.5rem; }
  .project-card p { font-size: var(--type-body); }
  .tag { font-size: var(--type-meta); }
  .project-credit { font-size: var(--type-label); }
  .archive-nav { gap: 8px 20px; }
  .archive-nav a { font-size: var(--type-label); }
  .archive-entry { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-block: 36px; }
  .archive-copy > h3 { font-size: 1.5rem; }
  .archive-paragraphs p { font-size: var(--type-body); }
  .archive-paragraphs p.archive-emphasis { font-size: 1.25rem; }
  .archive-eyebrow { font-size: var(--type-meta); }
  .about-grid { gap: 32px; }
  .about-text p.large-copy { font-size: 1.5rem; }
  .tools-intro { font-size: var(--type-body); }
  .tools-directory a { font-size: var(--type-label); padding: 8px 12px; }
  .tool-group-title h3 { font-size: 1.125rem; }
  .tool-group .tool { padding: 20px 14px; gap: 12px; min-height: 120px; }
  .tool-group .tool-name, .tool-group .tool small { font-size: var(--type-label); }
  .tool-group .tool-name.fa-name { font-size: var(--type-body); }
  .tool-group .tool-status, .tools-draft-note { font-size: var(--type-meta); }
  .tool-group-heading > p { font-size: var(--type-label); }
  .process-tabs { display: flex; overflow-x: auto; }
  .process-tab { flex: 0 0 124px; font-size: var(--type-label); padding: 16px 12px; }
  .process-tab .en { display: block; margin: 0 0 6px; }
  .process-panel { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-block: 28px; }
  .process-visual { min-height: 112px; }
  .contact-section { padding-block: 88px 56px; }
  .contact-section h2 { font-size: clamp(2rem, 6vw, 2.75rem); }
  .contact-section > p { font-size: var(--type-body); }
  .contact-links { gap: 8px; }
  .contact-meta { font-size: var(--type-label); gap: 12px 20px; justify-content: center; }
  .contact-links .icon-button { flex-shrink: 0; width: 44px; height: 44px; }
  footer > .en { font-size: .6875rem; }
  .case-body { padding: 28px 24px; }
  .case-columns { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .case-summary { font-size: var(--type-body); }
  .case-role { padding: 20px; }
  .case-next { flex-direction: column; align-items: flex-start; gap: 12px; }
  .case-next button { max-width: 100%; }
  .search-dialog { padding: 24px; }
  .search-result { gap: 12px; }
  .browser-toolbar { gap: 6px; padding-inline: 8px; }
  .browser-dots { display: none; }
  .browser-caption { font-size: .6875rem; padding-inline: 8px; }
  .browser-scroll-value { font-size: .6875rem; }
  .site-preview-heading h2 { font-size: var(--type-body); }
}
@media (max-width: 480px) {
  .page-shell { margin-inline: 8px; padding-inline: 20px; }
  .header-inner { padding-inline: 16px; }
  .header-actions { gap: 0; }
  .wordmark { font-size: 25px; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .hero-buttons .button { justify-content: space-between; }
  .portrait-frame figcaption { inset-inline: 24px; bottom: 24px; }
  .intro-strip > div { gap: 8px; }
  .intro-strip .strip-arrow { width: 12px; }
  .intro-strip b { display: none; }
  .capability-grid { grid-template-columns: minmax(0, 1fr); }
  .capability:nth-child(n) { border-left: 0; padding: 26px 0; }
  .capability-top { margin-bottom: 16px; }
  .capability h3 { font-size: 1.25rem; }
  .tools-grid { grid-template-columns: minmax(0, 1fr); }
  .tool-group .tool { min-height: 96px; padding: 20px; gap: 16px; }
  .tool-group .tool-icon { width: 40px; height: 40px; }
  .tool-group .tool-icon img { width: 28px; height: 28px; }
  .tool-group .tool-icon.wide-logo { width: 40px; }
  .tool-group .tool-name-row { align-items: center; gap: 6px; }
  .tool-group-title { flex-wrap: wrap; }
  .tools-draft-note { align-items: flex-start; }
  .email-link { font-size: clamp(1rem, 4.4vw, 1.25rem); gap: 8px; }
  .email-link .ui-icon { width: 18px; height: 18px; }
  .contact-links { gap: 4px; }
  .search-result { align-items: flex-start; flex-direction: column; gap: 4px; }
  .search-heading h2 { font-size: 1.25rem; }
}
@media print {
  :root { --bg: #fff; --fg: #111; --muted: #444; --line: #ccc; --accent: #315fc2; }
  .page-shell { max-width: none; margin: 0; padding: 0; }
  .hero { min-height: 0; padding-block: 24px; }
  .section { padding-top: 36px; }
  .contact-section { padding-block: 36px; }
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}