@font-face {
  font-family:Tajawal;
  src:url('assets/fonts/tajawal-400.ttf') format('truetype');
  font-weight:400;
  font-display:swap;
}

@font-face {
  font-family:Tajawal;
  src:url('assets/fonts/tajawal-500.ttf') format('truetype');
  font-weight:500;
  font-display:swap;
}

@font-face {
  font-family:Tajawal;
  src:url('assets/fonts/tajawal-700.ttf') format('truetype');
  font-weight:700;
  font-display:swap;
}

@font-face {
  font-family:Tajawal;
  src:url('assets/fonts/tajawal-800.ttf') format('truetype');
  font-weight:800;
  font-display:swap;
}

:root {
  --paper:#f7f8f2;
  --green:#087b49;
  --deep:#153e30;
  --gold:#b48a35;
  --muted:#6c776e;
  --line:#dce2d7;
  --font:Tajawal,Arial,sans-serif;
  color-scheme:light;
}

* {
  box-sizing:border-box;
}

body {
  margin:0;
  background:var(--paper);
  color:var(--deep);
  font-family:var(--font);
  -webkit-font-smoothing:antialiased;
}

button,a {
  -webkit-tap-highlight-color:transparent;
}

button {
  font:inherit;
  cursor:pointer;
}

button,a {
  touch-action:manipulation;
}

button {
  color:inherit;
}

a {
  color:inherit;
  text-decoration:none;
}

button:focus-visible,a:focus-visible {
  outline:2px solid var(--green);
  outline-offset:6px;
}

button:disabled {
  cursor:default;
}

button {
  border:0;
}

svg {
  display:block;
}

button svg {
  width:20px;
  height:20px;
}

button {
  background:none;
}

::selection {
  background:#dbe8d7;
}

.site {
  --header-height:112px;
  position:relative;
  overflow:clip;
  background:linear-gradient(180deg,var(--paper) 0,var(--paper) 55%,#f4f4eb 100%);
}

.site:before {
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.23;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23818d79' opacity='.14' filter='url(%23n)' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
}

.header,.hero,.preamble-inner {
  width:min(1320px,calc(100% - 112px));
  margin-inline:auto;
  position:relative;
}

.header {
  height:112px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-bottom:1px solid var(--line);
  z-index:2;
}

.brand {
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}

.brand-mark {
  width:62px;
  height:57px;
  position:relative;
  overflow:hidden;
}

.brand-mark img {
  position:absolute;
  width:78px;
  height:78px;
  max-width:none;
  inset-inline-start:-8px;
  top:-13px;
}

.brand-name {
  display:flex;
  flex-direction:column;
  gap:7px;
}

.brand-name strong {
  font-size:16px;
  font-weight:700;
}

.brand-name>span {
  font-size:6.7px;
  letter-spacing:1px;
  color:var(--muted);
  font-family:Arial,sans-serif;
}

.navigation {
  display:flex;
  align-items:center;
  gap:27px;
}

.nav-link {
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  position:relative;
  padding:14px 0;
  color:#5f6b61;
}

.nav-link:hover {
  color:var(--green);
}

.nav-link.active {
  color:var(--green);
}

.nav-link.active:after {
  content:"";
  position:absolute;
  bottom:0;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--green);
  left:calc(50% - 2px);
}

.header-actions {
  display:flex;
  align-items:center;
  gap:26px;
}

.languages {
  display:flex;
  gap:9px;
  align-items:center;
  font-family:Arial,sans-serif;
  font-size:11px;
  letter-spacing:.8px;
}

.languages button {
  font-size:11px;
  padding:9px 2px;
}

.languages button:hover {
  color:var(--green);
}

.languages>span {
  color:#b3bcaf;
}

.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:30px;
  padding:18px 25px;
  border-radius:3px;
  font-size:16px;
  font-weight:700;
  min-height:56px;
  transition:background .2s,transform .2s,box-shadow .2s;
}

.button:hover {
  transform:translateY(-2px);
}

.header-register {
  min-height:43px;
  padding:12px 17px;
  gap:20px;
  background:var(--green);
  color:white;
  font-size:13px;
}

.direction-arrow {
  font-family:Arial,sans-serif;
  font-size:21px;
  font-weight:400;
}

.header-register .direction-arrow {
  font-size:16px;
}

.menu-toggle {
  display:none;
}

.mobile-menu[hidden] {
  display:none;
}

.hero {
  min-height:calc(100svh - var(--header-height));
  display:flex;
  flex-direction:column;
  background:radial-gradient(ellipse at 21% 43%,#eaf0e340,transparent 50%);
}

.hero-body,.hero-bottom {
  position:relative;
}

.hero-body {
  display:grid;
  grid-template-columns:1fr 1.06fr;
  align-items:center;
  gap:32px;
  flex:1;
  min-height:630px;
  padding-block:40px 34px;
}

.hero-copy {
  padding-inline-start:5px;
  position:relative;
  z-index:1;
  animation:enter .9s ease-out both;
}

.eyebrow {
  display:flex;
  gap:12px;
  align-items:center;
  color:var(--green);
  font-size:15px;
  font-weight:500;
  margin-bottom:24px;
}

.small-line {
  display:inline-block;
  width:26px;
  height:2px;
  background:var(--gold);
  flex-shrink:0;
}

h1 {
  font-size:clamp(48px,4.8vw,73px);
  line-height:1.22;
  letter-spacing:-2px;
  font-weight:800;
  margin:0;
}

h1>span {
  display:block;
}

h1>span:nth-child(2) {
  color:var(--green);
}

h1 .hero-year {
  display:flex;
  justify-content:flex-end;
  gap:3px;
  font-family:Arial,sans-serif;
  font-size:88px;
  letter-spacing:-5px;
  line-height:1.15;
  font-weight:400;
  color:var(--gold);
  margin-block:2px 9px;
}

.year-period {
  color:var(--green);
  font-size:75px;
}

.french-title {
  font-size:13px;
  letter-spacing:.6px;
  text-align:right;
  margin:12px 0 23px;
  color:#738173;
}

.description {
  max-width:455px;
  font-size:19px;
  line-height:1.9;
  color:#657265;
  margin:0 0 30px;
  font-weight:400;
}

.hero-actions {
  display:flex;
  gap:14px;
  align-items:center;
}

.button-primary {
  background:var(--green);
  color:white;
  box-shadow:0 6px 15px #0d663a0b;
}

.button-primary:hover,.header-register:hover {
  background:#08663e;
  box-shadow:0 7px 20px #0d663a18;
}

.button-secondary {
  border:1px solid #ccd5c6;
  background:#ffffff20;
  font-weight:500;
}

.button-secondary:hover {
  background:#edf1e7;
}

.hero-art {
  position:relative;
  direction:ltr;
  width:100%;
  max-width:640px;
  aspect-ratio:1;
  justify-self:center;
  animation:enter 1.3s ease-out both;
}

.orbit-art {
  width:100%;
  height:100%;
  overflow:visible;
}

.central-logo {
  position:absolute;
  left:23%;
  top:27%;
  width:54%;
  height:43%;
  display:flex;
  align-items:center;
  justify-content:center;
}

.central-logo img {
  width:114%;
  height:auto;
  max-width:none;
  transform:translateY(3%);
}

.orbit-label {
  position:absolute;
  font-size:13px;
  font-weight:500;
  color:#697b65;
  background:var(--paper);
  padding:3px 8px;
}

.label-europe {
  left:26%;
  top:13.8%;
}

.label-asia {
  right:6%;
  top:34%;
}

.label-americas {
  left:1%;
  top:63%;
}

.label-africa {
  right:23%;
  bottom:7.7%;
}

.origin-label {
  position:absolute;
  top:65%;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:700;
  direction:rtl;
  white-space:nowrap;
}

.origin-dot {
  width:5px;
  height:5px;
  background:var(--green);
  border-radius:50%;
  box-shadow:0 0 0 4px #087b490a;
}

.origin-latin {
  position:absolute;
  top:27px;
  left:50%;
  transform:translateX(-50%);
  font-family:Arial,sans-serif;
  font-weight:400;
  font-size:8px;
  letter-spacing:2.5px;
  color:#899080;
}

.art-coordinate {
  position:absolute;
  font-family:Arial,sans-serif;
  font-size:8px;
  letter-spacing:2px;
  color:#8a9686;
}

.coordinate-top {
  left:5%;
  top:3%;
}

.coordinate-top span {
  padding:0 12px;
  color:var(--gold);
  font-size:13px;
}

.coordinate-bottom {
  right:7%;
  bottom:0;
  font-size:7px;
  letter-spacing:2.5px;
}

.art-caption {
  display:flex;
  align-items:center;
  gap:14px;
  position:absolute;
  bottom:-7%;
  left:50%;
  transform:translateX(-50%);
  white-space:nowrap;
  color:#6a7e65;
}

.art-caption p {
  font-size:17px;
  margin:0;
}

.caption-rule {
  width:28px;
  height:1px;
  background:#cbd4c3;
}

.travel-path {
  animation:travel 28s linear infinite;
}

.hero-bottom {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  border-top:1px solid var(--line);
  padding:28px 5px 29px;
  margin-top:18px;
}

.date-heading {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--muted);
  margin-bottom:12px;
}

.date-heading .small-line {
  width:18px;
  height:1px;
}

.date-detail {
  display:flex;
  gap:17px;
  align-items:center;
}

.date-days {
  font-family:Arial,sans-serif;
  letter-spacing:-1.7px;
  font-size:36px;
  font-weight:400;
  white-space:nowrap;
}

.date-days b {
  color:var(--gold);
  font-size:24px;
  font-weight:400;
  padding:0 2px;
}

.date-month {
  font-size:14px;
  line-height:1.4;
  border-inline-start:1px solid var(--line);
  padding-inline-start:15px;
  color:#63705f;
  white-space:pre-line;
}

.event-location {
  display:flex;
  align-items:center;
  gap:15px;
}

.event-location svg {
  width:25px;
  height:25px;
  color:var(--green);
}

.event-location>div {
  display:flex;
  flex-direction:column;
  gap:9px;
}

.event-location strong {
  font-size:16px;
  font-weight:500;
}

.event-location div>span {
  font-size:12px;
  color:var(--muted);
}

.event-note {
  display:flex;
  align-items:center;
  gap:17px;
}

.note-symbol {
  color:var(--gold);
  font-size:38px;
  font-family:Arial,sans-serif;
  font-weight:400;
}

.event-note p {
  font-size:14px;
  line-height:1.8;
  color:#687564;
  margin:0;
  white-space:pre-line;
}

.calendar-button {
  display:flex;
  align-items:center;
  gap:16px;
  font-size:13px;
  padding:12px 0;
  color:#526c52;
}

.calendar-button:hover {
  color:var(--green);
}

.identity-rule {
  height:4px;
  display:flex;
  direction:ltr;
  margin-top:9px;
}

.identity-rule span:nth-child(1) {
  width:76%;
  background:var(--green);
}

.identity-rule span:nth-child(2) {
  width:20%;
  background:#f6b905;
}

.identity-rule span:nth-child(3) {
  width:4%;
  background:#df201b;
}

.skip-link {
  position:fixed;
  top:-100px;
  right:20px;
  background:var(--green);
  color:white;
  padding:14px;
  z-index:10;
}

.skip-link:focus {
  top:10px;
}

dialog {
  border:1px solid var(--line);
  border-radius:8px;
  padding:45px;
  width:min(520px,calc(100% - 36px));
  background:var(--paper);
  color:var(--deep);
  box-shadow:0 25px 100px #153e3025;
}

dialog::backdrop {
  background:#14372a5e;
  backdrop-filter:blur(5px);
}

.dialog-close {
  position:absolute;
  inset-inline-end:14px;
  top:10px;
  font-family:Arial,sans-serif;
  font-size:28px;
  width:40px;
  height:40px;
}

.dialog-eyebrow {
  font-size:12px;
  color:var(--green);
}

dialog h2 {
  font-size:28px;
  margin-top:22px;
}

dialog p {
  font-size:18px;
  line-height:1.9;
  color:var(--muted);
  white-space:pre-line;
}

.dialog-done {
  min-height:45px;
  padding:12px 28px;
  font-size:14px;
  margin-top:12px;
}

body:has(dialog[open]) {
  overflow:hidden;
}

@keyframes enter {
  from {
    opacity:0;
    transform:translateY(12px);
  }
  to {
    opacity:1;
    transform:translateY(0);
  }
}

@keyframes travel {
  to {
    stroke-dashoffset:-190;
  }
}

html[dir=ltr] h1 .hero-year {
  justify-content:flex-start;
}

html[dir=ltr] .french-title {
  text-align:left;
}

html[dir=ltr] h1 {
  font-size:clamp(44px,4.2vw,64px);
  letter-spacing:-1.8px;
}

html[dir=ltr] .direction-arrow {
  transform:scaleX(-1);
}

html[dir=ltr] .brand-name strong {
  font-size:13px;
}

html[dir=ltr] .navigation {
  gap:19px;
}

html[dir=ltr] .nav-link {
  font-size:13px;
}

html[dir=ltr] .header-actions {
  gap:15px;
}

html[dir=ltr] .header-register {
  font-size:12px;
}

.hero-art {
  max-width:560px;
}

.hero-body {
  padding-block:28px 28px;
  min-height:610px;
}

@media(min-width:1500px) {
  .hero-body {
    min-height:680px;
  }
  .hero-art {
    max-width:600px;
  }
}

@media(max-width:1200px) {
  .header,.hero,.preamble-inner {
    width:calc(100% - 72px);
  }
  .navigation {
    gap:20px;
  }
  .header-actions {
    gap:17px;
  }
  .brand-name strong {
    font-size:14px;
  }
  .brand-name>span {
    font-size:5.5px;
  }
  .header {
    gap:18px;
  }
  .header-register {
    padding-inline:13px;
    font-size:12px;
    gap:12px;
  }
  .hero-body {
    gap:12px;
    min-height:610px;
  }
  h1 {
    font-size:58px;
  }
  .hero-bottom {
    gap:20px;
  }
  .event-note {
    gap:10px;
  }
  .event-note p {
    font-size:12px;
  }
  .event-location strong {
    font-size:14px;
  }
  .date-days {
    font-size:31px;
  }
  .calendar-button {
    font-size:12px;
    gap:10px;
  }
  .hero-year {
    font-size:80px!important;
  }
  .description {
    font-size:18px;
  }
  .button {
    gap:23px;
  }
  html[dir=ltr] .navigation {
    gap:13px;
  }
  html[dir=ltr] .brand-name>span {
    display:none;
  }
}

@media(max-width:1000px) {
  .header,.hero,.preamble-inner {
    width:calc(100% - 56px);
  }
  .navigation {
    display:none;
  }
  .hero-body {
    min-height:600px;
    grid-template-columns:1.05fr 1fr;
  }
  .hero-copy {
    padding-inline-start:0;
  }
  h1 {
    font-size:49px;
  }
  .description {
    font-size:17px;
  }
  .hero-actions {
    gap:10px;
  }
  .hero-actions .button {
    font-size:14px;
    gap:18px;
    padding:16px 19px;
    min-height:52px;
  }
  .eyebrow {
    font-size:14px;
  }
  .event-note {
    display:none;
  }
  .hero-bottom {
    padding-block:26px;
  }
  .menu-toggle {
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:6px;
    width:36px;
    height:40px;
    padding:8px;
  }
  .menu-toggle span {
    height:1px;
    width:20px;
    background:var(--deep);
  }
  .mobile-menu {
    position:absolute;
    top:90px;
    inset-inline-end:0;
    min-width:230px;
    padding:18px;
    display:flex;
    flex-direction:column;
    gap:4px;
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:4px;
    box-shadow:0 14px 40px #153e3015;
  }
  .mobile-menu a,.mobile-menu button {
    text-align:start;
    padding:13px;
    font-size:15px;
  }
  .mobile-menu a:hover,.mobile-menu button:hover {
    background:#eaf0e4;
  }
  .art-coordinate {
    font-size:6px;
  }
  .orbit-label {
    font-size:11px;
  }
  .art-caption p {
    font-size:14px;
  }
  .art-caption {
    gap:10px;
  }
  .caption-rule {
    width:19px;
  }
  .origin-label {
    font-size:15px;
  }
  .origin-latin {
    font-size:6px;
    letter-spacing:1.5px;
  }
  html[dir=ltr] h1 {
    font-size:46px;
  }
}

@media(max-width:700px) {
  .header,.hero,.preamble-inner {
    width:calc(100% - 40px);
  }
  .site {
    --header-height:91px;
  }
  .header {
    height:91px;
    gap:10px;
  }
  .brand {
    gap:6px;
  }
  .brand-mark {
    width:47px;
    height:48px;
  }
  .brand-mark img {
    width:66px;
    height:66px;
    top:-9px;
    inset-inline-start:-9px;
  }
  .brand-name strong {
    font-size:12px;
  }
  .brand-name>span {
    font-size:4.7px;
    letter-spacing:.55px;
  }
  .header-register {
    display:none;
  }
  .header-actions {
    gap:13px;
  }
  .languages {
    gap:7px;
  }
  .languages button {
    font-size:10px;
  }
  .hero-body {
    grid-template-columns:1fr;
    gap:9px;
    padding-top:39px;
    padding-bottom:34px;
    min-height:0;
  }
  .hero-copy {
    max-width:500px;
  }
  .eyebrow {
    margin-bottom:22px;
    font-size:13px;
  }
  h1 {
    font-size:clamp(44px,8.4vw,60px);
    line-height:1.25;
    letter-spacing:-1.5px;
  }
  h1 .hero-year {
    font-size:73px!important;
    margin-top:3px;
  }
  .year-period {
    font-size:64px;
  }
  .french-title {
    font-size:11px;
    margin-block:9px 19px;
    letter-spacing:.3px;
  }
  .description {
    font-size:17px;
    line-height:1.85;
    margin-bottom:24px;
    max-width:430px;
  }
  .hero-actions .button {
    font-size:15px;
    min-height:53px;
    padding:16px 21px;
    gap:23px;
  }
  .hero-art {
    width:92%;
    max-width:420px;
    margin-top:5px;
    margin-bottom:27px;
  }
  .art-coordinate {
    font-size:6px;
  }
  .coordinate-top {
    top:1%;
  }
  .art-caption {
    bottom:-5%;
  }
  .orbit-label {
    font-size:11px;
  }
  .origin-label {
    font-size:14px;
  }
  .origin-latin {
    top:23px;
  }
  .hero-bottom {
    display:grid;
    grid-template-columns:1fr auto;
    gap:25px 15px;
    margin-top:0;
    padding:25px 0;
  }
  .event-date {
    grid-column:1 / -1;
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  .date-heading {
    margin:0;
    font-size:13px;
  }
  .date-days {
    font-size:30px;
  }
  .date-detail {
    gap:13px;
  }
  .date-month {
    font-size:12px;
    padding-inline-start:12px;
  }
  .event-location {
    gap:10px;
  }
  .event-location strong {
    font-size:14px;
  }
  .event-location div>span {
    font-size:10px;
  }
  .event-location svg {
    width:21px;
    height:21px;
  }
  .calendar-button {
    gap:9px;
    font-size:12px;
  }
  .calendar-button svg {
    width:18px;
    height:18px;
  }
  .identity-rule {
    margin-top:0;
    height:3px;
  }
  html[dir=ltr] h1 {
    font-size:clamp(42px,8vw,58px);
  }
  html[dir=ltr] .brand-name strong {
    font-size:10px;
  }
  html[dir=ltr] .brand-name {
    max-width:155px;
  }
  html[dir=ltr] .hero-actions .button {
    font-size:13px;
    gap:18px;
  }
  html[dir=ltr] .event-date {
    gap:15px;
  }
  html[dir=ltr] .date-heading {
    font-size:11px;
  }
  html[dir=ltr] .date-days {
    font-size:27px;
  }
  html[dir=ltr] .event-location strong {
    font-size:12px;
  }
  html[dir=ltr] .calendar-button {
    font-size:11px;
  }
}

@media(max-width:370px) {
  .header,.hero,.preamble-inner {
    width:calc(100% - 32px);
  }
  .brand-name strong {
    font-size:11px;
  }
  .brand-name>span {
    display:none;
  }
  .header-actions {
    gap:7px;
  }
  .hero-actions .button {
    font-size:14px;
    padding-inline:15px;
    gap:17px;
  }
  .hero-bottom {
    column-gap:8px;
  }
  .date-days {
    font-size:26px;
  }
  .event-location div>span {
    font-size:9px;
  }
  .calendar-button {
    font-size:11px;
  }
  html[dir=ltr] .brand-name {
    max-width:120px;
  }
  html[dir=ltr] .hero-actions .button {
    font-size:12px;
    gap:12px;
    padding-inline:13px;
  }
}

@media(max-width:700px) {
  .hero-actions .button {
    flex:1;
    gap:12px;
    padding-inline:16px;
    white-space:nowrap;
  }
  .coordinate-bottom {
    display:none;
  }
  html[dir=ltr] .hero-actions .button {
    gap:10px;
    padding-inline:12px;
    font-size:12px;
  }
}

@media(max-width:370px) {
  .hero-actions .button {
    font-size:13px;
    padding-inline:12px;
    gap:10px;
  }
  html[dir=ltr] .hero-actions .button {
    font-size:11px;
    padding-inline:9px;
    gap:8px;
  }
}

@media(prefers-reduced-motion:reduce) {
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
    scroll-behavior:auto!important;
  }
}

/* ---- Hero backdrop: quiet depth drawn from the identity (arches, star lattice, one thread) ---- */

.hero-backdrop {
  position:absolute;
  top:0;
  bottom:-220px;
  left:calc(50% - 50vw);
  right:calc(50% - 50vw);
  pointer-events:none;
  z-index:0;
  overflow:hidden;
}

.backdrop-stars,.preamble:before {
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 96 96'%3E%3Cdefs%3E%3Cpath id='s' d='M0-6L1.41-1.94 5.71-1.85 2.28.74 3.53 4.85 0 2.4-3.53 4.85-2.28.74-5.71-1.85-1.41-1.94Z' fill='none' stroke='%23087b49' stroke-width='.7'/%3E%3C/defs%3E%3Cuse href='%23s' x='24' y='24'/%3E%3Cuse href='%23s' x='72' y='72'/%3E%3C/svg%3E");
  background-size:96px 96px;
}

.backdrop-stars {
  position:absolute;
  inset:0;
  opacity:.09;
  -webkit-mask-image:radial-gradient(ellipse 70% 62% at 50% 0,#000 0,transparent 100%);
  mask-image:radial-gradient(ellipse 70% 62% at 50% 0,#000 0,transparent 100%);
}

.backdrop-arches {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
}

.backdrop-arches path {
  stroke-width:1.2;
  vector-effect:non-scaling-stroke;
}

.backdrop-thread {
  stroke-width:1.4;
}

/* ---- Preamble ---- */

.preamble {
  --preamble-pad:clamp(80px,9.5vw,136px);
  position:relative;
  z-index:0;
  padding-top:var(--preamble-pad);
  border-bottom:1px solid var(--line);
}

.preamble:before {
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.1;
  -webkit-mask-image:radial-gradient(ellipse 42% 70% at 22% 85%,#000 0,transparent 100%);
  mask-image:radial-gradient(ellipse 42% 70% at 22% 85%,#000 0,transparent 100%);
}

html[dir=ltr] .preamble:before {
  -webkit-mask-image:radial-gradient(ellipse 42% 70% at 78% 85%,#000 0,transparent 100%);
  mask-image:radial-gradient(ellipse 42% 70% at 78% 85%,#000 0,transparent 100%);
}

.preamble-inner {
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  column-gap:clamp(40px,6vw,96px);
  align-items:end;
}

.preamble-copy {
  position:relative;
  align-self:start;
  padding-bottom:clamp(72px,9vw,140px);
  padding-inline-start:5px;
}

.preamble-thread {
  position:absolute;
  top:calc(-1 * var(--preamble-pad));
  inset-inline-start:17px;
  width:1px;
  height:calc(var(--preamble-pad) - 22px);
  background:linear-gradient(180deg,transparent,var(--gold));
  opacity:.75;
}

.section-heading {
  display:flex;
  align-items:center;
  gap:14px;
  margin:0 0 clamp(28px,3vw,40px);
}

.section-heading h2 {
  font-size:clamp(30px,2.8vw,40px);
  font-weight:700;
  letter-spacing:-.5px;
  line-height:1.2;
  margin:0;
  color:var(--deep);
}

.preamble-text {
  max-width:600px;
}

.preamble-text p {
  font-size:19px;
  line-height:2;
  font-weight:400;
  color:#4e5c51;
  margin:0 0 1.3em;
}

.preamble-text p:last-child {
  margin-bottom:0;
}

.preamble-text strong {
  font-weight:500;
  color:var(--deep);
  text-decoration:underline;
  text-decoration-color:#b48a3573;
  text-decoration-thickness:1px;
  text-underline-offset:.34em;
}

.preamble-figure {
  position:relative;
  margin:0;
  align-self:end;
  justify-self:end;
  width:min(100%,480px);
  margin-inline-end:-3%;
}

.preamble-figure picture,.preamble-figure img {
  display:block;
  width:100%;
  height:auto;
  position:relative;
}

.preamble-figure img {
  filter:drop-shadow(0 22px 28px #153e301c);
}

.figure-disc,.figure-ring {
  position:absolute;
  border-radius:50%;
  pointer-events:none;
}

.figure-disc {
  width:82%;
  aspect-ratio:1;
  top:9%;
  inset-inline-end:-8%;
  background:#e3eadb;
  opacity:.72;
}

.figure-ring {
  width:96%;
  aspect-ratio:1;
  top:-5%;
  inset-inline-start:-6%;
  border:1px solid #b48a3552;
}

.figure-ring:after {
  content:"";
  position:absolute;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--gold);
  top:14%;
  inset-inline-start:11%;
  opacity:.7;
}

/* ---- Scroll reveal (only when the script and the user's motion preference allow it) ---- */

.reveal-ready [data-reveal] {
  opacity:0;
  transform:translateY(18px);
  transition:opacity .9s ease-out,transform 1s cubic-bezier(.2,.7,.2,1);
  transition-delay:var(--reveal-delay,0s);
}

.reveal-ready .preamble-figure[data-reveal] {
  transform:translateY(28px);
}

.reveal-ready [data-reveal].is-visible {
  opacity:1;
  transform:none;
}

@media(prefers-reduced-motion:reduce) {
  .reveal-ready [data-reveal] {
    opacity:1;
    transform:none;
  }
}

/* ---- Preamble responsive ---- */

@media(max-width:1200px) {
  .preamble-inner {
    column-gap:48px;
  }
  .preamble-figure {
    width:min(100%,440px);
  }
  .preamble-text p {
    font-size:17.5px;
  }
}

@media(max-width:1000px) {
  .preamble-inner {
    grid-template-columns:minmax(0,1fr) minmax(0,.82fr);
    column-gap:32px;
  }
  .preamble-copy {
    padding-inline-start:0;
    padding-bottom:64px;
  }
  .preamble-thread {
    inset-inline-start:12px;
  }
  .preamble-figure {
    width:min(100%,380px);
    margin-inline-end:0;
  }
  .preamble-text p {
    font-size:16px;
    line-height:1.95;
  }
  .section-heading h2 {
    font-size:30px;
  }
}

@media(max-width:700px) {
  .preamble {
    --preamble-pad:64px;
  }
  .preamble-inner {
    grid-template-columns:minmax(0,1fr);
    row-gap:36px;
  }
  .preamble-copy {
    padding-bottom:0;
  }
  .preamble-text p {
    font-size:16px;
    line-height:1.9;
    margin-bottom:1.15em;
  }
  .section-heading {
    margin-bottom:22px;
  }
  .section-heading h2 {
    font-size:28px;
  }
  .preamble-figure {
    width:min(72%,300px);
    justify-self:center;
    margin-inline-end:0;
  }
  .preamble-figure img {
    filter:drop-shadow(0 14px 18px #153e3018);
  }
  .preamble:before {
    -webkit-mask-image:radial-gradient(ellipse 70% 40% at 50% 100%,#000 0,transparent 100%);
    mask-image:radial-gradient(ellipse 70% 40% at 50% 100%,#000 0,transparent 100%);
  }
  .hero-backdrop {
    bottom:-120px;
  }
}