/* ==========================================================================
   about.css — تنسيقات صفحة "عن المشروع"
   --------------------------------------------------------------------------
   - متغيرات تتبع نظام التصميم الموجود (gleason.css)
   - دعم كامل RTL/LTR عبر منطق logical properties
   - تصميم متجاوب: mobile-first
   ========================================================================== */

/* ---------- Design tokens (مع fallbacks لو ما كانت معرّفة عالمياً) ---------- */
:root {
  --about-bg: #0b1220;
  --about-bg-elev: #131c2e;
  --about-bg-elev-2: #1a2540;
  --about-border: rgba(255, 255, 255, 0.08);
  --about-border-strong: rgba(255, 255, 255, 0.16);
  --about-text: #e6edf6;
  --about-text-muted: #9aa7ba;
  --about-accent: #4ea1ff;
  --about-accent-strong: #7ab8ff;
  --about-success: #22c55e;
  --about-warning: #f59e0b;
  --about-danger: #ef4444;

  --about-radius-sm: 8px;
  --about-radius-md: 14px;
  --about-radius-lg: 20px;

  --about-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
  --about-shadow-hover: 0 8px 32px rgba(78, 161, 255, 0.18);

  --about-max-width: 980px;
  --about-pad: clamp(16px, 4vw, 32px);

  --about-font-ar: 'Cairo', 'Tajawal', system-ui, -apple-system, sans-serif;
  --about-font-en: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ---------- Base ---------- */
.about-page {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, rgba(78, 161, 255, 0.08), transparent 60%),
    var(--about-bg);
  color: var(--about-text);
  font-family: var(--about-font-ar);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

.about-page[lang='en'] {
  font-family: var(--about-font-en);
}

.about-container {
  max-width: var(--about-max-width);
  margin: 0 auto;
  padding: var(--about-pad);
}

/* ---------- Top bar: back + language toggle ---------- */
.about-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0 24px;
  flex-wrap: wrap;
}

.about-back-link {
  color: var(--about-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: var(--about-radius-sm);
  border: 1px solid var(--about-border);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.about-back-link:hover {
  color: var(--about-text);
  border-color: var(--about-border-strong);
  background: var(--about-bg-elev);
}

.about-lang-toggle {
  background: var(--about-bg-elev);
  color: var(--about-text);
  border: 1px solid var(--about-border-strong);
  padding: 8px 18px;
  border-radius: var(--about-radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  min-width: 64px;
}

.about-lang-toggle:hover {
  background: var(--about-accent);
  border-color: var(--about-accent);
  color: #fff;
}

/* ---------- Hero ---------- */
.about-hero {
  text-align: center;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--about-border);
  margin-bottom: 40px;
}

.about-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin: 0 0 12px;
  font-weight: 800;
  background: linear-gradient(120deg, var(--about-accent-strong), var(--about-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-hero p {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--about-text-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* ---------- Sections ---------- */
.about-section {
  margin-bottom: 56px;
}

.about-section h2 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  margin: 0 0 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-section h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 24px;
  background: var(--about-accent);
  border-radius: 2px;
}

.about-section p {
  color: var(--about-text);
  font-size: 1rem;
  margin: 0 0 14px;
}

/* ---------- Cards grid (goals, roles, phases) ---------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.about-card {
  background: var(--about-bg-elev);
  border: 1px solid var(--about-border);
  border-radius: var(--about-radius-md);
  padding: 20px;
  transition: all 0.25s ease;
}

.about-card:hover {
  border-color: var(--about-accent);
  box-shadow: var(--about-shadow-hover);
  transform: translateY(-2px);
}

.about-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--about-accent-strong);
  font-weight: 700;
}

.about-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--about-text-muted);
  line-height: 1.6;
}

.about-card .about-card-icon {
  font-size: 1.6rem;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Roadmap phases — status badges ---------- */
.about-card[data-status='done'] {
  border-color: rgba(34, 197, 94, 0.3);
}

.about-card[data-status='inprogress'] {
  border-color: rgba(245, 158, 11, 0.3);
}

.about-card[data-status='planned'] {
  border-color: rgba(154, 167, 186, 0.2);
}

.about-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.about-badge[data-status='done'] {
  background: rgba(34, 197, 94, 0.15);
  color: var(--about-success);
}

.about-badge[data-status='inprogress'] {
  background: rgba(245, 158, 11, 0.15);
  color: var(--about-warning);
}

.about-badge[data-status='planned'] {
  background: rgba(154, 167, 186, 0.12);
  color: var(--about-text-muted);
}

/* ---------- Contact email block ---------- */
.about-contact {
  margin-top: 18px;
  padding: 18px 22px;
  background: var(--about-bg-elev);
  border: 1px solid var(--about-border);
  border-radius: var(--about-radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.about-contact .label {
  color: var(--about-text-muted);
  font-size: 0.95rem;
}

.about-contact a {
  color: var(--about-accent-strong);
  font-weight: 600;
  text-decoration: none;
  font-size: 1.05rem;
  font-family: var(--about-font-en); /* البريد دائماً LTR */
  direction: ltr;
  unicode-bidi: isolate;
}

.about-contact a:hover {
  text-decoration: underline;
}

/* ---------- Wallet / donation block ---------- */
.about-wallet {
  background: linear-gradient(135deg, var(--about-bg-elev), var(--about-bg-elev-2));
  border: 1px solid var(--about-border-strong);
  border-radius: var(--about-radius-lg);
  padding: 28px;
  margin-top: 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

@media (max-width: 640px) {
  .about-wallet {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 20px;
  }
}

.about-wallet-qr {
  width: 200px;
  height: 200px;
  border-radius: var(--about-radius-md);
  background: #fff;
  padding: 12px;
  box-shadow: var(--about-shadow-card);
  display: block;
}

@media (max-width: 640px) {
  .about-wallet-qr {
    margin: 0 auto;
  }
}

.about-wallet-info {
  min-width: 0; /* للسماح بتقليص العرض */
}

.about-wallet-label {
  font-size: 0.85rem;
  color: var(--about-text-muted);
  margin-bottom: 6px;
}

.about-wallet-hint {
  font-size: 0.85rem;
  color: var(--about-text-muted);
  margin-top: 4px;
  margin-bottom: 14px;
}

.about-wallet-address-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-bottom: 8px;
}

.about-wallet-address {
  flex: 1;
  background: var(--about-bg);
  border: 1px solid var(--about-border);
  border-radius: var(--about-radius-sm);
  padding: 12px 14px;
  font-family: 'Menlo', 'Consolas', 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--about-text);
  word-break: break-all;
  direction: ltr;
  unicode-bidi: isolate;
  text-align: left;
  min-width: 0;
}

.about-copy-btn {
  background: var(--about-accent);
  color: #fff;
  border: none;
  padding: 0 18px;
  border-radius: var(--about-radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-height: 44px; /* touch target */
}

.about-copy-btn:hover {
  background: var(--about-accent-strong);
}

.about-copy-btn:active {
  transform: scale(0.97);
}

.about-copy-feedback {
  font-size: 0.85rem;
  margin-top: 8px;
  font-weight: 600;
  min-height: 1.2em;
  transition: opacity 0.2s ease;
}

.about-copy-feedback.is-hidden {
  opacity: 0;
}

.about-copy-feedback.is-success {
  color: var(--about-success);
}

.about-copy-feedback.is-error {
  color: var(--about-danger);
}

/* تنبيه شبكة TRC20 */
.about-wallet-warning {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(245, 158, 11, 0.08);
  border-inline-start: 3px solid var(--about-warning);
  border-radius: var(--about-radius-sm);
  font-size: 0.85rem;
  color: var(--about-text);
}

.about-wallet-warning strong {
  color: var(--about-warning);
  margin-inline-end: 6px;
}

/* ---------- Footer ---------- */
.about-footer {
  border-top: 1px solid var(--about-border);
  padding-top: 28px;
  margin-top: 56px;
  text-align: center;
  color: var(--about-text-muted);
  font-size: 0.9rem;
}

.about-footer-links {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.about-footer-links a {
  color: var(--about-accent-strong);
  text-decoration: none;
  font-weight: 500;
}

.about-footer-links a:hover {
  text-decoration: underline;
}

/* ---------- Accessibility: focus-visible ---------- */
:focus-visible {
  outline: 2px solid var(--about-accent-strong);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .about-card,
  .about-back-link,
  .about-lang-toggle,
  .about-copy-btn {
    transition: none;
  }
  .about-card:hover {
    transform: none;
  }
}

/* ============================================================
   الأسئلة الشائعة (FAQ) — تُستخدم في صفحة about
   ============================================================ */
.about-faq {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-faq-item {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 1rem;
}

.about-faq-item > summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.85rem 0;
  list-style: none;
  outline: none;
}

.about-faq-item > summary::-webkit-details-marker {
  display: none;
}

.about-faq-item > summary::after {
  content: "+";
  float: inline-end;
  opacity: 0.6;
  font-weight: 400;
}

.about-faq-item[open] > summary::after {
  content: "\2212"; /* − */
}

.about-faq-item > p {
  margin: 0 0 0.9rem;
  line-height: 1.85;
  opacity: 0.9;
}