/* =====================================================================
   English Master — Home / Hub layout  (تخطيط الصفحة الرئيسية فقط)
   ---------------------------------------------------------------------
   خاص بصفحة الهَب index.html. المكوّنات القابلة لإعادة الاستخدام
   (الودجة، أشرطة التقدّم، الشريط السفلي) موجودة في shared.css.
   ===================================================================== */

.hub {
  max-width: 760px;
  margin: 0 auto;
}

/* ---------- هيرو الهوية (Brand Hero) ---------- */
.hub-hero {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.05);
  text-align: center;
  padding: 32px 24px 28px;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
}

/* شريط ملوّن رفيع أعلى الهيرو */
.hub-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg,
    var(--ink-blue), var(--ink-teal), var(--ink-green),
    var(--ink-orange), var(--ink-pink), var(--ink-purple));
}

.brand-logo {
  width: 76px;
  height: 76px;
  display: block;
  margin: 2px auto 12px;
  filter: drop-shadow(0 8px 16px rgba(30,58,138,0.28));
  animation: logoPop 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes logoPop {
  from { opacity: 0; transform: scale(0.8) translateY(-6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.hub-hero .brand-ar {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  color: var(--ink-blue);
  font-weight: 700;
  display: inline-block;
  text-decoration: underline;
  text-decoration-color: var(--ink-red);
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

.hub-hero .brand-en {
  font-family: var(--font-english);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-pink);
  direction: ltr;
  display: block;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

.hub-hero .brand-tag {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--ink-purple);
  margin-top: 10px;
}

/* ---------- شبكة بطاقات الأقسام ---------- */
.hub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 18px 0;
}

.section-card {
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-top: 4px solid var(--ink-blue);
  box-shadow: var(--shadow);
  padding: 20px 18px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  font: inherit;
  width: 100%;
  display: block;
  text-decoration: none;
  color: var(--text);
}

.section-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(30,58,138,0.14); }

.section-card.is-vocab { border-top-color: var(--ink-teal); }

.section-card .sc-ico { font-size: 2.4rem; line-height: 0; display: inline-flex; color: var(--ink-blue); }
.section-card.is-vocab .sc-ico { color: var(--ink-teal); }
.section-card .sc-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-blue);
  margin: 8px 0 4px;
}
.section-card.is-vocab .sc-title { color: var(--ink-teal); }
.section-card .sc-en {
  font-family: var(--font-english);
  font-size: 0.82rem;
  color: var(--text-muted);
  direction: ltr;
}
.section-card .sc-count {
  font-family: var(--font-hand);
  font-size: 1.15rem;
  color: var(--ink-purple);
  margin-top: 6px;
}
.section-card .sc-soon {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-orange);
  background: #fff7ed;
  border: 1px solid var(--ink-orange);
  border-radius: 12px;
  padding: 2px 10px;
}

@media (max-width: 600px) {
  .hub-grid { grid-template-columns: 1fr; }
}