:root {
  --navy: #09264b;
  --navy-deep: #061a35;
  --burgundy: #850d20;
  --gold: #f4b323;
  --ivory: #faf8f2;
  --paper: #ffffff;
  --ink: #15243a;
  --muted: #697587;
  --line: #e6e8ec;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Inter", Arial, sans-serif;
  --persian: "Vazirmatn", Tahoma, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.65; }
body[dir="rtl"] { font-family: var(--persian); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.announcement { background: var(--burgundy); color: white; font-size: 11px; letter-spacing: .09em; text-transform: uppercase; }
.announcement-inner { min-height: 34px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.announcement-date { color: #ffd46b; font-weight: 700; white-space: nowrap; }
.site-header { background: white; border-bottom: 1px solid rgba(9,38,75,.08); position: sticky; top: 0; z-index: 50; }
.nav-wrap { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark { width: 45px; height: 45px; display: grid; place-items: center; position: relative; background: var(--navy); color: var(--gold); font: 800 22px var(--serif); letter-spacing: -4px; padding-right: 4px; border-radius: 2px; }
.brand-mark span { color: white; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
.brand-copy strong { font-size: 18px; color: var(--navy); letter-spacing: .06em; }
.brand-copy strong span { color: var(--burgundy); font-size: 12px; }
.brand-copy small { color: #737d8b; font-size: 9px; margin-top: 5px; letter-spacing: .025em; }
.main-nav { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 32px); font-size: 12px; font-weight: 600; color: #344257; }
.main-nav > a { transition: color .2s; }
.main-nav > a:hover { color: var(--burgundy); }
.nav-auth { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; padding: 0 12px; border: 1px solid var(--navy); border-radius: 2px; white-space: nowrap; }
.main-nav > .nav-auth-secondary { color: var(--navy); }
.main-nav > .nav-auth-primary { background: var(--burgundy); border-color: var(--burgundy); color: #fff; }
.main-nav > .nav-auth-primary:hover { color: #fff; background: #6f0b1a; }
.language-toggle { border: 1px solid #d7dce3; color: var(--navy); background: white; border-radius: 2px; padding: 8px 12px; font-size: 12px; cursor: pointer; font-weight: 700; }
.menu-toggle { display: none; border: 0; background: none; font-size: 24px; color: var(--navy); cursor: pointer; }
.hero { position: relative; overflow: hidden; background: var(--navy); color: white; }
.hero-pattern { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(30deg, transparent 49.7%, #8ba0bd 50%, transparent 50.3%), linear-gradient(150deg, transparent 49.7%, #8ba0bd 50%, transparent 50.3%); background-size: 78px 135px; mask-image: linear-gradient(90deg, transparent, black 65%); }
.hero-grid { min-height: 590px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px; padding-block: 68px 76px; position: relative; z-index: 1; }
.hero-content { max-width: 640px; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 10px; font-size: 10px; font-weight: 800; letter-spacing: .17em; color: var(--burgundy); }
.hero .eyebrow { color: var(--gold); margin-bottom: 24px; }
.eyebrow-dot { display: inline-block; width: 7px; height: 7px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 0 5px rgba(244,179,35,.12); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { font-size: clamp(42px, 5.2vw, 68px); line-height: 1.08; letter-spacing: -.045em; font-weight: 800; margin-bottom: 24px; }
h1 em, h2 em { font-family: var(--serif); font-weight: 400; color: var(--gold); letter-spacing: -.04em; }
.hero-lead { max-width: 535px; color: #d0d8e4; font-size: 14px; line-height: 1.9; margin-bottom: 30px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.button { min-height: 48px; padding: 0 19px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; border: 1px solid transparent; font-size: 11px; font-weight: 800; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-gold { background: var(--gold); color: var(--navy-deep); }
.button-outline { border-color: rgba(255,255,255,.32); color: white; }
.button-outline:hover { background: rgba(255,255,255,.08); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 25px; margin-top: 38px; color: #c0cad8; font-size: 11px; }
.hero-meta > div { display: flex; align-items: center; gap: 8px; }
.meta-icon { color: var(--gold); font-size: 18px; }
.hero-art { min-height: 400px; position: relative; display: grid; place-items: center; }
.orbit { position: absolute; border: 1px solid rgba(244,179,35,.42); border-radius: 50%; transform: rotate(-25deg); }
.orbit-one { width: 310px; height: 390px; }
.orbit-two { width: 390px; height: 270px; transform: rotate(38deg); border-color: rgba(255,255,255,.24); }
.orbit-three { width: 250px; height: 250px; border-style: dashed; border-color: rgba(255,255,255,.2); }
.hero-seal { width: 210px; height: 210px; background: var(--burgundy); border: 1px solid rgba(244,179,35,.75); outline: 8px solid rgba(133,13,32,.24); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: 0 30px 90px rgba(0,0,0,.24); transform: rotate(-7deg); }
.seal-small, .seal-bottom { color: #f9d97f; font-size: 8px; letter-spacing: .2em; font-weight: 700; }
.hero-seal strong { font: 800 52px var(--serif); letter-spacing: -.06em; margin: 5px 0; }
.seal-line { width: 46px; height: 2px; background: var(--gold); margin-bottom: 9px; }
.molecule { position: absolute; color: var(--gold); z-index: 2; }
.molecule-a { font-size: 28px; top: 20%; right: 15%; }
.molecule-b { font-size: 33px; bottom: 20%; left: 10%; color: #fff; }
.molecule-c { font-size: 50px; top: 28%; left: 12%; color: #9db3d0; }
.art-caption { position: absolute; bottom: 0; display: flex; align-items: center; gap: 10px; color: #aebcd0; font-size: 8px; letter-spacing: .2em; }
.caption-line { width: 25px; height: 1px; background: var(--gold); }
.hero-bottom-rule { position: absolute; bottom: 0; height: 5px; left: 0; right: 0; background: linear-gradient(90deg, var(--burgundy) 0 33%, var(--gold) 33% 66%, #d7dce3 66%); }
.quick-facts { background: var(--ivory); border-bottom: 1px solid #eeeae0; }
.facts-grid { min-height: 115px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.fact { padding: 14px 22px; border-right: 1px solid #e5e0d5; display: flex; flex-direction: column; gap: 4px; color: #687284; font-size: 10px; }
.fact:first-child { padding-left: 0; }
.fact:last-child { border-right: 0; }
.fact-number { color: var(--navy); font-size: 26px; line-height: 1.2; font-weight: 800; letter-spacing: -.04em; }
.fact-number small { font-size: 11px; color: var(--burgundy); letter-spacing: 0; }
.section { padding-block: 105px; }
.section-light { background: white; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.section-kicker { margin-bottom: 20px; }
h2 { color: var(--navy); font-size: clamp(32px, 4vw, 47px); line-height: 1.14; letter-spacing: -.045em; margin-bottom: 22px; }
h2 em { color: var(--burgundy); }
.section-copy { padding-top: 26px; color: #677385; font-size: 13px; line-height: 2; }
.section-copy p { margin-bottom: 20px; }
.text-link { display: inline-flex; gap: 12px; align-items: center; color: var(--burgundy); font-size: 12px; font-weight: 800; border-bottom: 1px solid #e5c4c9; padding-bottom: 7px; margin-top: 6px; }
.topics-section { background: var(--ivory); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 50px; margin-bottom: 42px; }
.section-heading h2 { margin-bottom: 0; }
.heading-aside { max-width: 320px; color: #727c8b; font-size: 12px; line-height: 1.9; margin-bottom: 6px; }
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #e3dfd4; border-left: 1px solid #e3dfd4; }
.topic-card { min-height: 230px; position: relative; padding: 30px; border-right: 1px solid #e3dfd4; border-bottom: 1px solid #e3dfd4; background: rgba(255,255,255,.55); transition: background .2s, transform .2s; }
.topic-card:hover { background: white; transform: translateY(-3px); }
.topic-index { position: absolute; right: 24px; top: 25px; font-size: 10px; color: #9aa1aa; letter-spacing: .1em; }
.topic-symbol { display: grid; place-items: center; width: 38px; height: 38px; color: var(--burgundy); border: 1px solid #e3c7cc; font-size: 21px; margin-bottom: 24px; }
.topic-card h3 { color: var(--navy); font-size: 17px; margin-bottom: 10px; }
.topic-card p { color: #737d8a; font-size: 11px; line-height: 1.8; margin-bottom: 0; }
.fine-print { color: #818896; font-size: 10px; margin: 18px 0 0; }
.dates-section { background: white; }
.dates-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; }
.dates-intro > p:last-child { color: #727c8b; max-width: 310px; font-size: 12px; line-height: 1.9; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 25px 1fr; gap: 22px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.timeline-marker { width: 11px; height: 11px; margin-top: 5px; border: 2px solid var(--burgundy); border-radius: 50%; box-shadow: 0 0 0 5px #f6e9eb; }
.timeline-label { color: var(--burgundy); font-size: 9px; letter-spacing: .15em; font-weight: 800; }
.timeline-content h3 { font-size: 25px; color: var(--navy); margin: 6px 0 8px; letter-spacing: -.03em; }
.timeline-content p { color: #707b8b; font-size: 11px; margin: 0; }
.submission-section { background: var(--navy-deep); padding-block: 85px; overflow: hidden; }
.submission-panel { display: grid; grid-template-columns: .65fr 1fr; gap: 65px; align-items: center; position: relative; }
.submission-decoration { color: rgba(255,255,255,.08); font: 800 clamp(80px, 14vw, 175px)/.8 var(--serif); letter-spacing: -.1em; white-space: nowrap; position: relative; }
.submission-decoration span { display: block; color: rgba(244,179,35,.25); font-size: .55em; margin-left: 45px; }
.submission-content { color: white; max-width: 610px; }
.submission-content .section-kicker { color: var(--gold); }
.submission-content h2 { color: white; }
.submission-content h2 em { color: var(--gold); }
.submission-content > p:not(.section-kicker):not(.submission-note) { color: #b9c5d6; font-size: 12px; line-height: 1.9; max-width: 520px; }
.submission-checklist { display: flex; flex-direction: column; gap: 10px; margin: 25px 0 28px; }
.submission-checklist > span { display: flex; gap: 13px; align-items: center; color: #e0e6ef; font-size: 11px; }
.submission-checklist b { color: var(--gold); font-size: 10px; }
.submission-note { color: #94a3b8; font-size: 10px; margin-top: 13px; }
.contact-strip { background: var(--ivory); padding-block: 42px; }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.contact-inner .section-kicker { margin-bottom: 8px; }
.contact-inner h2 { font-size: 23px; margin: 0; }
.contact-links { display: flex; flex-direction: column; gap: 8px; font-size: 12px; font-weight: 700; color: var(--navy); }
.contact-links a span { color: var(--burgundy); margin-left: 6px; }
.site-footer { background: #041329; color: #aeb9c9; }
.footer-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-footer .brand-mark { background: #17395f; }
.brand-footer .brand-copy strong { color: white; }
.brand-footer .brand-copy small { color: #9caabe; }
.footer-inner > p { margin: 0; font-size: 9px; text-align: center; }
.back-top { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid #34445c; color: var(--gold); font-size: 18px; }
[dir="rtl"] .announcement-inner, [dir="rtl"] .nav-wrap, [dir="rtl"] .main-nav, [dir="rtl"] .hero-meta, [dir="rtl"] .hero-actions, [dir="rtl"] .contact-inner, [dir="rtl"] .footer-inner { direction: rtl; }
[dir="rtl"] .hero h1, [dir="rtl"] h2, [dir="rtl"] .section-copy, [dir="rtl"] .timeline-content, [dir="rtl"] .topic-card, [dir="rtl"] .submission-content { text-align: right; }
[dir="rtl"] .hero-art { direction: ltr; }
[dir="rtl"] .fact { border-right: 0; border-left: 1px solid #e5e0d5; }
[dir="rtl"] .fact:last-child { border-left: 0; }
[dir="rtl"] .fact:first-child { padding-left: 22px; padding-right: 0; }
[dir="rtl"] .topic-grid { border-left: 0; border-right: 1px solid #e3dfd4; }
[dir="rtl"] .topic-card { border-right: 0; border-left: 1px solid #e3dfd4; }
[dir="rtl"] .topic-index { right: auto; left: 24px; }
[dir="rtl"] .submission-decoration span { margin-left: 0; margin-right: 45px; }
[dir="rtl"] .contact-links a span { margin-left: 0; margin-right: 6px; }
[dir="rtl"] .brand-mark { letter-spacing: -4px; padding-right: 4px; }
@media (max-width: 900px) {
  .main-nav { gap: 14px; }
  .main-nav a { font-size: 11px; }
  .hero-grid { gap: 15px; }
  .hero-art { transform: scale(.86); }
  .two-column { gap: 45px; }
  .dates-layout { gap: 55px; }
  .submission-panel { gap: 30px; }
}
@media (max-width: 700px) {
  .container { width: min(100% - 32px, 560px); }
  .announcement-inner { min-height: 38px; font-size: 9px; }
  .nav-wrap { min-height: 72px; }
  .menu-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 20px 24px; background: white; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 17px; box-shadow: 0 14px 24px rgba(9,38,75,.08); }
  .main-nav.open { display: flex; }
  .main-nav a { font-size: 13px; }
  .language-toggle { align-self: start; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 62px 55px; }
  .hero h1 { font-size: clamp(40px, 11vw, 58px); }
  .hero-art { min-height: 310px; transform: scale(.82); margin: -5px 0 -20px; }
  .hero-lead { font-size: 13px; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); padding-block: 12px; }
  .fact { padding: 15px 12px; border-bottom: 1px solid #e5e0d5; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3), .fact:nth-child(4) { border-bottom: 0; }
  .fact:first-child { padding-left: 12px; }
  .section { padding-block: 70px; }
  .two-column, .dates-layout { grid-template-columns: 1fr; gap: 22px; }
  .section-copy { padding-top: 0; }
  .section-heading { display: block; margin-bottom: 28px; }
  .heading-aside { margin-top: 20px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-card { padding: 22px 18px; min-height: 220px; }
  .topic-card h3 { font-size: 15px; }
  .topic-card p { font-size: 10px; }
  .dates-intro > p:last-child { max-width: 100%; }
  .submission-panel { grid-template-columns: 1fr; gap: 15px; }
  .submission-decoration { font-size: 95px; margin-bottom: 5px; }
  .contact-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner { padding-block: 24px; flex-wrap: wrap; }
  .footer-inner > p { order: 3; flex-basis: 100%; text-align: left; }
  [dir="rtl"] .footer-inner > p { text-align: right; }
}
@media (max-width: 400px) {
  .topic-grid { grid-template-columns: 1fr; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-meta { gap: 14px; }
  .brand-copy small { max-width: 180px; }
}