/* Pythagore Initiative — dépôt des documents. Mobile first, light only. */

@font-face { font-family: "Plus Jakarta Sans"; src: url(fonts/jakarta-400.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url(fonts/jakarta-600.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Plus Jakarta Sans"; src: url(fonts/jakarta-700.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "IBM Plex Sans Arabic"; src: url(fonts/plex-arabic-400.woff2) format("woff2"); font-weight: 400; font-display: swap; unicode-range: U+0600-06FF, U+0750-077F, U+FB50-FDFF, U+FE70-FEFF, U+200C-200F; }
@font-face { font-family: "IBM Plex Sans Arabic"; src: url(fonts/plex-arabic-600.woff2) format("woff2"); font-weight: 600 700; font-display: swap; unicode-range: U+0600-06FF, U+0750-077F, U+FB50-FDFF, U+FE70-FEFF, U+200C-200F; }

:root {
  /* School colours: royal blue carries action; gold is an accent mark only, never under white text. */
  --blue: #003CB6;
  --blue-strong: #002C88;
  --blue-tint: #EAF0FC;
  --blue-wash: #F5F8FE;
  --blue-line: #A9BCE6;
  --gold: #FEC715;
  --ink: #131A2B;
  --ink-2: #4A5468;
  --line: #DCE1EA;
  --paper: #F6F5F1;
  --surface: #FFFFFF;
  --good: #17703A;
  --good-tint: #E8F5EC;
  --warn: #7A4E00;
  --warn-tint: #FFF4D3;
  --error: #B42318;
  --error-tint: #FDECEA;
  --radius: 16px;
  --radius-sm: 10px;
  --font: "Plus Jakarta Sans", "IBM Plex Sans Arabic", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-ar: "IBM Plex Sans Arabic", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  color-scheme: light;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

html[lang="ar"] body { font-family: var(--font-ar); font-size: 18px; line-height: 1.7; }

img { max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

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

:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

/* ---------- header ---------- */

.site-header {
  background: var(--surface);
  border-block-end: 1px solid var(--line);
  position: relative;
}
.site-header::after {
  /* the Pythagoras diagonal, as a thin rule: blue then gold */
  content: ""; position: absolute; inset-inline: 0; inset-block-end: -1px; height: 3px;
  background: linear-gradient(90deg, var(--blue) 0 62%, var(--gold) 62% 100%);
}
html[dir="rtl"] .site-header::after { background: linear-gradient(270deg, var(--blue) 0 62%, var(--gold) 62% 100%); }

.site-header-inner {
  max-width: 680px; margin: 0 auto; padding: 12px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}

.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; min-width: 0; }
.brand-crest { height: 52px; width: auto; flex: none; }
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-name { font-weight: 700; font-size: 17px; line-height: 1.2; color: var(--blue); }
.brand-sub { font-size: 14px; color: var(--ink-2); line-height: 1.3; }

.lang-toggle {
  flex: none; min-height: 44px; padding: 8px 16px;
  border: 1.5px solid var(--line); border-radius: 999px; background: var(--surface);
  font-weight: 600; font-size: 16px; color: var(--blue); cursor: pointer;
}
.lang-toggle:hover { border-color: var(--blue-line); background: var(--blue-wash); }

/* ---------- page ---------- */

.page { max-width: 680px; margin: 0 auto; padding: 28px 16px 48px; }

.intro { margin-block-end: 24px; }
.eyebrow {
  margin: 0 0 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2);
  display: flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: ""; width: 10px; height: 10px; background: linear-gradient(135deg, var(--blue) 50%, var(--gold) 50%); flex: none; }
html[lang="ar"] .eyebrow { letter-spacing: 0; text-transform: none; font-size: 15px; }
html[dir="rtl"] .eyebrow::before { background: linear-gradient(225deg, var(--blue) 50%, var(--gold) 50%); }

h1 { margin: 0 0 10px; font-size: clamp(26px, 6.4vw, 34px); line-height: 1.2; letter-spacing: -.015em; font-weight: 700; text-wrap: balance; }
html[lang="ar"] h1 { letter-spacing: 0; line-height: 1.4; }
.lead { margin: 0; color: var(--ink-2); max-width: 58ch; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 16px 22px; margin-block-end: 16px;
  box-shadow: 0 1px 2px rgba(19, 26, 43, .04);
}
@media (min-width: 560px) { .card { padding: 26px 28px 28px; } }

.step { display: flex; align-items: center; gap: 12px; margin: 0 0 18px; font-size: 20px; font-weight: 700; line-height: 1.3; }
.step-num {
  width: 32px; height: 32px; flex: none; display: grid; place-items: center;
  border-radius: 50%; background: var(--blue-tint); color: var(--blue); font-size: 16px; font-weight: 700;
}

/* ---------- fields ---------- */

.field { margin-block-end: 16px; }
.field:last-child { margin-block-end: 0; }
.field-row { display: grid; gap: 0 16px; }
.field-row > .field { margin-block-end: 16px; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }

label { display: block; font-weight: 600; margin-block-end: 6px; }

input[type="text"], select {
  width: 100%; min-height: 54px; padding: 12px 14px;
  border: 1.5px solid #C5CCD8; border-radius: var(--radius-sm); background: var(--surface);
  font-size: 17px; transition: border-color .15s, box-shadow .15s;
}
select {
  appearance: none; padding-inline-end: 44px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1.5l6 6 6-6' fill='none' stroke='%234A5468' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
html[dir="rtl"] select { background-position: left 16px center; }
input[type="text"]:hover, select:hover { border-color: #9AA5B8; }
input[type="text"]:focus, select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-tint); }
[aria-invalid="true"] { border-color: var(--error) !important; }

.field-error { margin: 6px 0 0; color: var(--error); font-size: 15px; font-weight: 600; }
.field-error:empty { display: none; }

/* ---------- tips ---------- */

.tips { margin-block-end: 18px; border-radius: var(--radius-sm); background: var(--blue-wash); border: 1px solid var(--blue-tint); }
.tips summary {
  cursor: pointer; padding: 12px 14px; font-weight: 600; color: var(--blue); list-style: none;
  display: flex; align-items: center; gap: 10px; min-height: 48px;
}
.tips summary::-webkit-details-marker { display: none; }
.tips summary::before {
  content: "i"; width: 22px; height: 22px; flex: none; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-size: 13px; font-weight: 700; font-family: Georgia, serif; font-style: italic;
}
.tips summary::after { content: ""; margin-inline-start: auto; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .2s; }
.tips[open] summary::after { transform: rotate(-135deg); }
.tips ul { margin: 0; padding: 0 16px 14px; padding-inline-start: 46px; color: var(--ink); font-size: 16px; }
.tips li + li { margin-block-start: 4px; }

/* ---------- documents ---------- */

.docs { display: grid; gap: 22px; }
@media (min-width: 640px) {
  .docs { grid-template-columns: 1fr 1fr; }
  .doc-portrait { grid-column: 1 / -1; }
}

.doc-head h3 { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.35; }
.doc-head p { margin: 2px 0 10px; font-size: 15px; color: var(--ink-2); }

.doc-drop {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  margin: 0; padding: 16px; border-radius: 14px; cursor: pointer; overflow: hidden;
  border: 2px dashed var(--blue-line); background: var(--blue-wash); color: var(--blue);
  aspect-ratio: 16 / 10; transition: border-color .15s, background-color .15s;
}
.doc-portrait .doc-drop { aspect-ratio: auto; height: 240px; }
.doc-drop:hover { border-color: var(--blue); background: var(--blue-tint); }
.doc-drop:has(input:focus-visible) { outline: 3px solid var(--blue); outline-offset: 2px; }
.doc.has-error .doc-drop { border-color: var(--error); background: var(--error-tint); }

.doc-cta {
  font-weight: 700; font-size: 16px; text-align: center; line-height: 1.3;
  padding: 10px 16px; border-radius: 999px; background: var(--surface); box-shadow: 0 1px 3px rgba(0, 44, 136, .12);
}

.doc-preview, .doc-checking { display: none; }
.doc-preview { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #1E2433; }
.doc-checking { position: absolute; inset: 0; align-items: center; justify-content: center; gap: 10px; background: rgba(245, 248, 254, .94); font-weight: 600; }

.doc:not([data-state="empty"]) .doc-drop { border-style: solid; border-color: var(--line); }
.doc:not([data-state="empty"]) .doc-empty,
.doc:not([data-state="empty"]) .doc-cta { display: none; }
.doc[data-state="good"] .doc-preview,
.doc[data-state="accepted"] .doc-preview,
.doc[data-state="warn"] .doc-preview,
.doc[data-state="error"] .doc-preview[src] { display: block; }
.doc[data-state="checking"] .doc-checking { display: flex; }

.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--blue-tint); border-top-color: var(--blue); animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2.4s; } }

.doc-status { display: none; margin-block-start: 10px; }
.doc:is([data-state="good"], [data-state="accepted"], [data-state="warn"], [data-state="error"]) .doc-status { display: block; }

.doc-message {
  margin: 0; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; line-height: 1.45;
  display: flex; gap: 8px; align-items: flex-start;
}
.doc-message::before { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 700; margin-block-start: 1px; }
.doc[data-state="good"] .doc-message,
.doc[data-state="accepted"] .doc-message { background: var(--good-tint); color: var(--good); }
.doc[data-state="good"] .doc-message::before,
.doc[data-state="accepted"] .doc-message::before { content: "✓"; background: var(--good); color: #fff; }
.doc[data-state="warn"] .doc-message { background: var(--warn-tint); color: var(--warn); }
.doc[data-state="warn"] .doc-message::before { content: "!"; background: var(--warn); color: #fff; }
.doc[data-state="error"] .doc-message { background: var(--error-tint); color: var(--error); }
.doc[data-state="error"] .doc-message::before { content: "×"; background: var(--error); color: #fff; }

.doc-actions { display: flex; flex-wrap: wrap; gap: 8px 12px; margin-block-start: 10px; }
.doc-actions .btn { display: none; }
.doc:is([data-state="warn"], [data-state="error"]) [data-action="retake"],
.doc[data-state="warn"] [data-action="keep"],
.doc:is([data-state="good"], [data-state="accepted"]) [data-action="change"] { display: inline-flex; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 10px 18px; border-radius: 12px; border: 0;
  font-weight: 700; font-size: 16px; line-height: 1.25; cursor: pointer; text-align: center;
  transition: background-color .15s, border-color .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-strong); }
.btn-secondary { background: var(--surface); color: var(--blue); border: 1.5px solid var(--blue-line); }
.btn-secondary:hover { border-color: var(--blue); background: var(--blue-wash); }
.btn-text { background: none; color: var(--ink-2); padding-inline: 8px; text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }
.btn-text:hover { color: var(--ink); }

/* ---------- send ---------- */

.consent {
  display: flex; gap: 12px; align-items: flex-start; font-weight: 400; cursor: pointer;
  padding: 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--line);
}
.consent:has(input:checked) { border-color: var(--blue-line); background: var(--blue-wash); }
.consent input { width: 22px; height: 22px; margin: 2px 0 0; flex: none; accent-color: var(--blue); cursor: pointer; }
.consent:has([aria-invalid="true"]) { border-color: var(--error); }

.form-alert {
  margin: 16px 0 0; padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--error-tint); color: var(--error); font-weight: 600; font-size: 15px;
}

.btn-submit { width: 100%; min-height: 58px; margin-block-start: 18px; font-size: 18px; border-radius: 14px; }
.btn-submit:disabled { cursor: progress; background: var(--blue-strong); }

.progress { height: 6px; margin-block-start: 10px; border-radius: 999px; background: var(--blue-tint); overflow: hidden; visibility: hidden; }
.progress > span { display: block; height: 100%; width: 0; background: var(--blue); border-radius: inherit; transition: width .2s; }
.is-sending .progress { visibility: visible; }

/* ---------- success ---------- */

.success { text-align: center; padding-block: 36px 32px; }
.success-mark { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; display: grid; place-items: center; background: var(--good-tint); color: var(--good); }
.success h2 { margin: 0 0 8px; font-size: 26px; outline: none; }
.success-body { margin: 0 auto 20px; max-width: 42ch; color: var(--ink-2); }
.reference-box {
  display: inline-flex; flex-direction: column; gap: 4px; padding: 14px 28px; margin-block-end: 10px;
  border: 1.5px dashed var(--blue-line); border-radius: 14px; background: var(--blue-wash);
}
.reference-label { font-size: 14px; color: var(--ink-2); font-weight: 600; }
.reference { font-size: 28px; letter-spacing: .08em; color: var(--blue); font-variant-numeric: tabular-nums; font-family: "Plus Jakarta Sans", system-ui, sans-serif; }
.muted { color: var(--ink-2); font-size: 15px; margin: 0 0 22px; }

/* ---------- footer ---------- */

.site-footer { margin-block-start: 28px; color: var(--ink-2); font-size: 14px; text-align: center; }
.site-footer p { margin: 0 0 6px; }
.site-footer a { color: var(--blue); font-weight: 600; }

/* ---------- deadline and closed page ---------- */

.deadline {
  display: inline-flex; align-items: center; gap: 8px; margin: 14px 0 0; padding: 8px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line); font-size: 15px; font-weight: 600; color: var(--ink);
}
.deadline::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 3px #FFF1C2; }
.closed-card { text-align: center; padding-block: 36px; }
.closed-card h1 { font-size: 26px; }
.closed-card h2 { font-size: 24px; margin: 0 0 8px; }
.closed-card hr { border: 0; border-top: 1px solid var(--line); margin: 24px 0; }
.closed-card .lead { margin-inline: auto; }
.closed-card [lang="ar"] { font-family: var(--font-ar); }

/* ---------- notes and the 9ème concours question ---------- */

.field-note { margin: -8px 0 16px; color: var(--ink-2); font-size: 15px; }
.option-check {
  display: flex; gap: 12px; align-items: flex-start; margin: 16px 0 0; padding: 14px; cursor: pointer;
  border-radius: var(--radius-sm); border: 1.5px solid var(--blue-line); background: var(--blue-wash); font-weight: 400;
}
.option-check:has(input:checked) { border-color: var(--blue); background: var(--blue-tint); }
.option-check input { width: 22px; height: 22px; margin: 2px 0 0; flex: none; accent-color: var(--blue); cursor: pointer; }
.option-check strong { display: block; font-weight: 700; color: var(--ink); }
.option-hint { display: block; margin-top: 2px; font-size: 15px; color: var(--ink-2); }