/* ==========================================================================
   Base - reset, typography, layout primitives, buttons, forms, motion
   Logical properties throughout so Arabic (RTL) mirrors without overrides.
   ========================================================================== */

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

html { -webkit-text-size-adjust: 100%; background: var(--void); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--white); color: var(--ink); }

img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
ul[role="list"], ol[role="list"] { list-style: none; margin: 0; padding: 0; }

:focus-visible { outline: 1px solid var(--focus); outline-offset: 4px; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  margin: 0 0 var(--s-4);
  letter-spacing: -.005em;
  color: var(--white);
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
p { margin: 0 0 var(--s-4); }
em { font-style: italic; }
strong { font-weight: 500; color: var(--white); }

/* Running text is justified. */
.prose p, .lede, .justify { text-align: justify; text-justify: inter-word; hyphens: auto; }
.lede { font-size: var(--fs-md); color: var(--text-soft); }

/* Brushed-silver text, for the words that should carry the page. */
.sheen {
  background: var(--sheen);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sheen 9s linear infinite;
}
@keyframes sheen { to { background-position: -220% 0; } }

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

.skip-link {
  position: absolute; inset-inline-start: var(--s-4); top: -100px; z-index: 1000;
  background: var(--white); color: var(--ink); padding: var(--s-2) var(--s-4);
}
.skip-link:focus { top: var(--s-4); }

/* Layout ------------------------------------------------------------------ */

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--container-narrow); }

.section { position: relative; padding-block: var(--s-9); }
.section--tight { padding-block: var(--s-8); }
.section--raised { background: var(--bg-1); }
.section--line { border-block-start: 1px solid var(--line); }

.section-head { text-align: center; margin-block-end: var(--s-7); }
.section-head h2 { margin-block-end: var(--s-3); }
.section-head p { color: var(--text-mute); max-width: 60ch; margin-inline: auto; }
.section-head--start { text-align: start; }
.section-head--split { display: flex; align-items: end; justify-content: space-between; gap: var(--s-5); text-align: start; flex-wrap: wrap; }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--silver);
  margin-block-end: var(--s-4);
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; opacity: .6; }
.center .eyebrow::after, .section-head:not(.section-head--start):not(.section-head--split) .eyebrow::after {
  content: ""; width: 32px; height: 1px; background: currentColor; opacity: .6;
}

.hairline { height: 1px; border: 0; margin: 0; background: linear-gradient(90deg, transparent, var(--line-strong), transparent); }

/* Buttons ----------------------------------------------------------------- */

.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-3);
  min-height: 52px;
  padding: 0 var(--s-6);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border: 1px solid var(--white);
  background: var(--white);
  color: var(--ink);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space: nowrap;
}
/* A black wipe runs across the button on hover. */
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--ink);
  transform: scaleX(0); transform-origin: right;
  transition: transform .6s var(--ease-out);
}
[dir="rtl"] .btn::before { transform-origin: left; }
.btn:hover::before { transform: scaleX(1); transform-origin: left; }
[dir="rtl"] .btn:hover::before { transform-origin: right; }
.btn:hover { color: var(--white); }

.btn--ghost { background: transparent; color: var(--white); border-color: var(--line-strong); }
.btn--ghost::before { background: var(--white); }
.btn--ghost:hover { color: var(--ink); border-color: var(--white); }

.btn--block { width: 100%; }
.btn--sm { min-height: 40px; padding: 0 var(--s-4); }
.btn[disabled] { opacity: .4; pointer-events: none; }
.btn svg { width: 16px; height: 16px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: var(--s-3);
  font-size: var(--fs-xs); font-weight: 400; letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--white);
  padding-block-end: 4px;
  background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 100% 1px;
  transition: background-size .5s var(--ease-out);
}
.link-arrow:hover { background-size: 0 1px; background-position: 100% 100%; }
.link-arrow::after { content: "\2192"; transition: transform var(--dur) var(--ease); }
[dir="rtl"] .link-arrow::after { content: "\2190"; }
.link-arrow:hover::after { transform: translateX(6px); }
[dir="rtl"] .link-arrow:hover::after { transform: translateX(-6px); }

/* Forms ------------------------------------------------------------------- */

.field { display: grid; gap: var(--s-2); margin-block-end: var(--s-5); }
.field > label, .field .label {
  font-size: var(--fs-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-mute);
}
.field .hint { font-size: var(--fs-sm); color: var(--text-mute); margin: 0; }
.input, .field input:not([type="checkbox"]):not([type="radio"]):not([type="file"]), .field select, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--line-strong);
  background: var(--bg-1);
  color: var(--text);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--silver) 50%), linear-gradient(135deg, var(--silver) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-inline-end: var(--s-7); }
[dir="rtl"] .field select { background-position: 20px 50%, 15px 50%; }
.field textarea { min-height: 140px; resize: vertical; }
.input:focus, .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--white); background: var(--bg-2); }
.field input[type="file"] { padding: var(--s-4); border: 1px dashed var(--line-strong); background: var(--bg-1); width: 100%; }
::placeholder { color: var(--grey-1); opacity: 1; }
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); }

.field-validation-error, .text-danger { color: var(--white); font-size: var(--fs-sm); font-weight: 400; }
.field-validation-error::before { content: "\2014  "; color: var(--silver); }
.input-validation-error { border-color: var(--white) !important; box-shadow: inset 0 0 0 1px var(--white); }
.validation-summary-errors ul { margin: 0 0 var(--s-4); padding-inline-start: var(--s-5); }
.validation-summary-valid { display: none; }

.form-grid { display: grid; gap: 0 var(--s-5); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .span-2 { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

fieldset { border: 0; margin: 0 0 var(--s-6); padding: 0; min-width: 0; }
legend { font-family: var(--font-display); font-size: var(--fs-lg); color: var(--white); margin-block-end: var(--s-4); padding: 0; }

.check { display: flex; gap: var(--s-3); align-items: flex-start; font-size: var(--fs-sm); }
.check input { margin-block-start: 4px; accent-color: var(--white); width: 16px; height: 16px; }

.choice-group { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.choice-group input { position: absolute; opacity: 0; pointer-events: none; }
.choice-group label {
  display: inline-flex; align-items: center; gap: var(--s-2); min-height: 44px; padding: 0 var(--s-4);
  border: 1px solid var(--line-strong); cursor: pointer; font-size: var(--fs-sm); text-transform: none; letter-spacing: 0; color: var(--text-soft);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.choice-group label:hover { border-color: var(--white); color: var(--white); }
.choice-group input:checked + label { border-color: var(--white); background: var(--white); color: var(--ink); }
.choice-group input:focus-visible + label { outline: 1px solid var(--white); outline-offset: 2px; }

.notice { border: 1px solid var(--line-strong); padding: var(--s-4) var(--s-5); background: var(--bg-1); margin-block-end: var(--s-5); }

/* Utilities --------------------------------------------------------------- */

.center { text-align: center; }
.mute { color: var(--text-mute); }
.mb-0 { margin-bottom: 0; }
.upper { text-transform: uppercase; letter-spacing: var(--tracking-wide); font-size: var(--fs-xs); }

.ratio { position: relative; overflow: hidden; background: var(--bg-2); }
.ratio > img, .ratio > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ratio--1x1 { aspect-ratio: 1; }
.ratio--4x5 { aspect-ratio: 4 / 5; }
.ratio--3x4 { aspect-ratio: 3 / 4; }
.ratio--16x9 { aspect-ratio: 16 / 9; }

/* Motion ------------------------------------------------------------------ */

/* Elements fade and rise into place as they enter the viewport (site.js). */
[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out); transition-delay: calc(var(--i, 0) * 90ms); }
[data-reveal="fade"] { transform: none; }
[data-reveal="zoom"] { transform: scale(.94); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* Headline lines slide up out of a mask, one after another. */
.split-line { display: block; overflow: hidden; padding-block-end: .08em; }
.split-line > span { display: block; transform: translateY(105%); transition: transform 1.2s var(--ease-out); transition-delay: calc(var(--i, 0) * 120ms + 150ms); }
.is-in .split-line > span, .split-line.is-in > span { transform: none; }

/* Pictures open like a curtain. */
[data-reveal="curtain"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1.4s var(--ease-out); }
[data-reveal="curtain"].is-in { clip-path: inset(0 0 0 0); }

.no-js [data-reveal] { opacity: 1; transform: none; clip-path: none; }
.no-js .split-line > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; clip-path: none; }
  .split-line > span { transform: none; }
}