/* ============================================================
   English But Better — Shared Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --blue:       #1B9CD8;
  --blue-dark:  #1580B0;
  --blue-light: #E8F5FD;
  --black:      #111111;
  --text:       #333333;
  --text-light: #666666;
  --gray-light: #F5F7FA;
  --gray-mid:   #E2E8EE;
  --white:      #FFFFFF;
  --gold:       #F5A623;
  --green:      #27AE60;
  --red:        #E74C3C;
  --radius:     10px;
  --shadow:     0 4px 20px rgba(0,0,0,.09);
  --nav-h:      80px;
  --max-w:      1100px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a  { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

/* ── Layout helpers ─────────────────────────────────────────── */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section    { padding: 64px 0; }
.section-sm { padding: 40px 0; }
.text-center { text-align: center; }

/* ── Typography ─────────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.15; color: var(--black); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: var(--black); margin-bottom: 8px; }
h3 { font-size: 1.15rem; font-weight: 600; color: var(--black); margin-bottom: 6px; }
p  { margin-bottom: 12px; }
.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}
.lead { font-size: 1.1rem; color: var(--text-light); max-width: 620px; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-family: 'Poppins', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .18s ease;
  text-align: center;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(27,156,216,.35); }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-sm { padding: 8px 18px; font-size: .85rem; }

/* ══════════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════════ */
#navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  height: var(--nav-h);
  padding: 10px 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-mid);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
}
.nav-logo { flex-shrink: 0; line-height: 0; }
.nav-logo img { display: block; height: 54px; width: auto; max-width: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: 6px 13px;
  border-radius: 6px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
  transition: all .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--blue); background: var(--blue-light); }
.nav-right { display: flex; align-items: center; gap: 10px; }

/* Nav dropdown (Listening levels) */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 6px;
  min-width: 160px;
  z-index: 50;
  list-style: none;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu li a {
  display: block;
  padding: 8px 12px;
  border-radius: 7px;
  font-size: .86rem;
  font-weight: 500;
  color: var(--text);
}
.nav-dropdown-menu li a:hover { color: var(--blue); background: var(--blue-light); }
.nav-dropdown-soon {
  display: block;
  padding: 8px 12px;
  border-radius: 7px;
  font-size: .86rem;
  font-weight: 500;
  color: var(--text-light);
  opacity: .7;
  cursor: not-allowed;
}
.nav-dropdown-soon em { font-style: normal; font-size: .78rem; }
.nav-mobile-dropdown { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 20px 10px; }
.nav-mobile-dropdown a {
  font-size: .82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--gray-mid);
  color: var(--text);
}
.nav-mobile-dropdown a:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-light); }
.nav-mobile-soon {
  font-size: .82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--gray-mid);
  color: var(--text-light);
  opacity: .7;
  cursor: not-allowed;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--gray-light);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--gray-mid);
}
.lang-btn {
  padding: 4px 12px;
  border-radius: 999px;
  border: none;
  font-family: 'Poppins', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--text-light);
  transition: all .15s;
}
.lang-btn.active { background: var(--blue); color: var(--white); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all .2s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-mid);
  padding: 12px 24px 20px;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 10px 12px;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
}
.nav-mobile a:hover { color: var(--blue); background: var(--blue-light); }

/* ══════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════ */
.hero {
  background: linear-gradient(135deg, #EBF6FD 0%, #F5F7FA 60%, #DAEEF9 100%);
  padding: 72px 0 64px;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-text { flex: 1; }
.hero-text h1 { margin-bottom: 18px; }
.hero-text h1 span { color: var(--blue); }
.hero-text .lead { margin-bottom: 28px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-img { flex: 0 0 340px; }
.hero-img img { border-radius: 18px; box-shadow: var(--shadow); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue);
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* ══════════════════════════════════════════════════════════════
   TOPIC CARDS GRID
══════════════════════════════════════════════════════════════ */
.cards-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 36px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: all .2s;
  position: relative;
  overflow: hidden;
  text-align: center;
  flex: 1 1 220px;
  max-width: 280px;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--blue);
  border-radius: var(--radius) var(--radius) 0 0;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { margin-bottom: 6px; }
.card p  { font-size: .88rem; color: var(--text-light); margin: 0; }
.card-link { position: absolute; inset: 0; }

/* Level badge */
.badge {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.badge-a1 { background: #E3F5E9; color: #1E7A3A; }
.badge-a2 { background: #E8F5FD; color: #1580B0; }
.badge-b1 { background: #FFF3E0; color: #E65100; }
.badge-b2 { background: #F3E5F5; color: #6A1B9A; }
.badge-c1 { background: #FCE4EC; color: #880E4F; }

/* ══════════════════════════════════════════════════════════════
   GRAMMAR PAGE — EXPLANATION TABLES
══════════════════════════════════════════════════════════════ */
.grammar-wrap { display: flex; gap: 36px; align-items: flex-start; }
.grammar-content { flex: 1; min-width: 0; }
.grammar-sidebar {
  flex: 0 0 240px;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

.grammar-block {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.grammar-block h2 { font-size: 1.2rem; border-bottom: 2px solid var(--blue-light); padding-bottom: 10px; margin-bottom: 18px; }

.g-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.g-table th {
  background: var(--blue);
  color: var(--white);
  padding: 9px 14px;
  text-align: left;
  font-size: .85rem;
  font-weight: 600;
}
.g-table td { padding: 8px 14px; font-size: .9rem; border-bottom: 1px solid var(--gray-mid); }
.g-table tr:last-child td { border-bottom: none; }
.g-table tr:nth-child(even) td { background: var(--gray-light); }
.g-table b { color: var(--blue); }

.example-box {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  margin: 12px 0;
  font-size: .92rem;
}
.example-box p { margin: 4px 0; }
.example-box .translation { color: var(--text-light); font-style: italic; font-size: .85rem; }

.tip-box {
  background: #FFFDE7;
  border: 1px solid #F9A825;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 16px 0;
  font-size: .9rem;
}
.tip-box strong { color: #E65100; }

/* Exercise inline link */
.exercise-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: var(--white);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  margin: 10px 0;
  transition: all .15s;
}
.exercise-link:hover { background: #219150; color: var(--white); transform: translateX(3px); }
.exercise-link::before { content: '✏️'; }

/* Sidebar nav */
.sidebar-card {
  background: var(--gray-light);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.sidebar-card h4 { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-light); margin-bottom: 12px; }
.sidebar-card ul { list-style: none; }
.sidebar-card ul li { margin-bottom: 6px; }
.sidebar-card ul a { font-size: .88rem; color: var(--text); display: flex; align-items: center; gap: 6px; padding: 4px 0; }
.sidebar-card ul a:hover { color: var(--blue); }
.sidebar-card ul a.current { color: var(--blue); font-weight: 600; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--text-light);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--text-light); }

/* ══════════════════════════════════════════════════════════════
   EXERCISES PAGE
══════════════════════════════════════════════════════════════ */
.exercise-container { max-width: 720px; }
.exercise-question {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 16px;
}
.exercise-question p { margin-bottom: 12px; font-weight: 500; }
.blank-input {
  display: inline-block;
  border: none;
  border-bottom: 2px solid var(--blue);
  background: transparent;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  min-width: 120px;
  padding: 2px 4px;
  color: var(--black);
  outline: none;
}
.blank-input.correct { border-color: var(--green); color: var(--green); }
.blank-input.wrong   { border-color: var(--red);   color: var(--red); }

.check-btn {
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 999px;
  padding: 11px 26px;
  font-family: 'Poppins', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: all .15s;
}
.check-btn:hover { background: var(--blue-dark); }
.feedback { margin-top: 10px; font-size: .88rem; font-weight: 500; }
.feedback.ok  { color: var(--green); }
.feedback.bad { color: var(--red); }
.score-banner {
  background: var(--blue-light);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  padding: 18px 24px;
  text-align: center;
  margin-top: 24px;
  font-weight: 600;
  font-size: 1.1rem;
  display: none;
}

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
#footer {
  background: var(--black);
  color: #AAA;
  padding: 48px 0 28px;
  margin-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-brand img { display: block; height: 50px; width: auto; max-width: none; margin-bottom: 14px; }
.footer-brand p { font-size: .88rem; line-height: 1.6; }
.footer-col h5 {
  color: var(--white);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: .88rem; color: #AAA; transition: color .15s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  text-align: center;
  font-size: .82rem;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  transition: opacity .15s, transform .15s;
}
.footer-social a:hover { opacity: .8; transform: scale(1.1); }
.footer-social a img { width: 40px; height: 40px; object-fit: contain; display: block; }

/* ══════════════════════════════════════════════════════════════
   MISC COMPONENTS
══════════════════════════════════════════════════════════════ */
.divider { height: 1px; background: var(--gray-mid); margin: 0; }
.page-header {
  background: linear-gradient(135deg, #EBF6FD 0%, #F5F7FA 100%);
  padding: 48px 0 40px;
  margin-bottom: 48px;
}
.page-header h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 8px; }
.page-header .lead { color: var(--text-light); font-size: 1rem; }

.tense-group { margin-bottom: 40px; }
.tense-group-title {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  border-bottom: 2px solid var(--blue-light);
  padding-bottom: 8px;
  margin-bottom: 18px;
}
.tense-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.tense-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  background: var(--white);
  transition: all .15s;
}
.tense-item:hover { border-color: var(--blue); background: var(--blue-light); }
.tense-item-left { display: flex; align-items: center; gap: 10px; }
.tense-item span { font-size: .92rem; font-weight: 500; }
.tense-item-links { display: flex; gap: 6px; }
.tense-item-links a {
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--gray-light);
  color: var(--text);
  transition: all .15s;
}
.tense-item-links a:hover { background: var(--blue); color: var(--white); }

/* ══════════════════════════════════════════════════════════════
   GRAMMAR PAGE — CONTENT + SIDEBAR LAYOUT
══════════════════════════════════════════════════════════════ */
.breadcrumb-bar {
  background: var(--gray-light);
  border-bottom: 1px solid var(--gray-mid);
  padding: 10px 0;
}
.breadcrumb-bar .breadcrumb { margin-bottom: 0; }

.content-with-sidebar {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}
.main-content {
  flex: 1;
  min-width: 0;
}
.sidebar {
  flex: 0 0 240px;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}
.sidebar h4 {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
}
.sidebar-links { list-style: none; }
.sidebar-links li { margin-bottom: 4px; }
.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 7px;
  font-size: .88rem;
  color: var(--text);
  transition: all .15s;
  border: 1px solid transparent;
}
.sidebar-links a:hover { background: var(--blue-light); border-color: var(--blue-light); color: var(--blue); }
.sidebar-links .sidebar-all { margin-top: 8px; border-top: 1px solid var(--gray-mid); padding-top: 8px; }
.sidebar-links .sidebar-all a { font-size: .84rem; font-weight: 600; color: var(--blue); }

/* Jump links */
.jump-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.jump-links a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  background: var(--gray-light);
  color: var(--text);
  border: 1px solid var(--gray-mid);
  transition: all .15s;
}
.jump-links a:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* Signal word chips */
.signal-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--blue-light);
  border: 1px solid var(--blue);
  color: var(--blue-dark);
  font-size: .82rem;
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════════════
   INLINE EXERCISES (fill-in + multiple choice)
══════════════════════════════════════════════════════════════ */
.ex-set {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.ex-desc { font-size: .9rem; color: var(--text-light); margin-bottom: 20px; }

.ex-item {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
  font-size: .93rem;
}
.ex-num { font-weight: 700; color: var(--blue); min-width: 20px; }
.ex-q   { flex: 1; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px; }

.ex-input {
  display: inline-block;
  border: none;
  border-bottom: 2px solid var(--blue);
  background: transparent;
  font-family: 'Poppins', sans-serif;
  font-size: .92rem;
  min-width: 150px;
  padding: 2px 4px;
  color: var(--black);
  outline: none;
  margin: 0 4px;
  transition: border-color .15s;
}
.ex-input:focus { border-color: var(--blue-dark); }
.ex-input.input-correct { border-color: var(--green); color: var(--green); }
.ex-input.input-wrong   { border-color: var(--red);   color: var(--red); }

.ex-feedback {
  font-size: .82rem;
  font-weight: 600;
  min-width: 60px;
}
.ex-correct { color: var(--green); }
.ex-wrong   { color: var(--red); }

.ex-score {
  margin-top: 12px;
  padding: 12px 18px;
  border-radius: var(--radius);
  background: var(--blue-light);
  border: 1px solid var(--blue);
  font-weight: 600;
  font-size: .95rem;
}
.score-perfect { background: #E8F5E9; border-color: var(--green); color: var(--green); }

/* Multiple choice */
.mc-item {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gray-mid);
}
.mc-item:last-of-type { border-bottom: none; }
.mc-q { font-size: .95rem; font-weight: 500; margin-bottom: 10px; }
.mc-opts { display: flex; flex-direction: column; gap: 8px; }
.mc-opts label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 7px;
  border: 1px solid var(--gray-mid);
  transition: all .15s;
}
.mc-opts label:hover { border-color: var(--blue); background: var(--blue-light); }
.mc-opts input[type=radio] { accent-color: var(--blue); width: 16px; height: 16px; }
.mc-feedback { margin-top: 8px; font-size: .85rem; font-weight: 600; padding: 6px 10px; border-radius: 6px; display: inline-block; }
.mc-correct { background: #E8F5E9; color: #1B5E20; }
.mc-wrong   { background: #FFEBEE; color: #B71C1C; }
.mc-warn    { background: #FFF3E0; color: #E65100; }

/* ══════════════════════════════════════════════════════════════
   GRAMMAR HUB (grammar/index.html)
══════════════════════════════════════════════════════════════ */
.grammar-hub {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  align-items: start;
}
.gh-section {
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  overflow: hidden;
}
.gh-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--blue);
  padding: 12px 18px;
  margin: 0;
}
.gh-icon { font-size: 1rem; }
.gh-list {
  list-style: none;
  padding: 8px 0;
  margin: 0;
}
.gh-list li { border-bottom: 1px solid var(--gray-light); }
.gh-list li:last-child { border-bottom: none; }
.gh-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  font-size: .88rem;
  color: var(--text);
  transition: all .13s;
}
.gh-list a:hover {
  background: var(--blue-light);
  color: var(--blue);
  padding-left: 24px;
}

/* ══════════════════════════════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════════════════════════════ */
.about-hero { display: flex; align-items: center; gap: 48px; }
.about-hero-text { flex: 1; }
.about-photo { flex-shrink: 0; width: 220px; height: 270px; object-fit: cover; object-position: center 10%; border-radius: 14px; box-shadow: var(--shadow); }
@media (max-width: 640px) {
  .about-hero { flex-direction: column-reverse; gap: 24px; }
  .about-photo { width: 160px; height: 195px; }
}
.about-block h2 { font-size: 1.4rem; margin-bottom: 14px; }
.about-block p  { color: var(--text-light); margin-bottom: 10px; }
.about-list { display: flex; flex-direction: column; gap: 20px; margin-top: 16px; }
.about-list-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px;
  background: var(--gray-light);
  border-radius: var(--radius);
  border: 1px solid var(--gray-mid);
}
.about-list-icon { font-size: 1.8rem; flex-shrink: 0; margin-top: 2px; }
.about-list-item strong { display: block; margin-bottom: 4px; color: var(--black); }
.about-list-item p { font-size: .9rem; margin: 0; color: var(--text-light); }

/* ══════════════════════════════════════════════════════════════
   CONTACT PAGE
══════════════════════════════════════════════════════════════ */
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: 'Poppins', sans-serif;
  font-size: .93rem;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-mid);
  border-radius: 8px;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-notice {
  margin-top: 4px;
  font-size: .82rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}
.form-notice::before { content: 'ℹ️'; }

/* ── Beta feedback floating button ──────────────────────────── */
.beta-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 16px;
  background: var(--blue);
  color: #fff;
  font-size: .85rem;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0,0,0,.2);
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}
.beta-fab:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.25); }
@media (max-width: 640px) {
  .beta-fab { right: 12px; bottom: 12px; padding: 10px 14px; font-size: .8rem; }
}

/* ══════════════════════════════════════════════════════════════
   GAMES PAGE
══════════════════════════════════════════════════════════════ */
.game-cards { display: flex; flex-direction: column; gap: 28px; }
.game-card {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
  border-radius: 14px;
  padding: 28px;
  transition: all .2s;
}
.game-card:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.game-card-soon { opacity: .7; }
.game-card-soon:hover { border-color: var(--gray-mid); box-shadow: none; }
.game-card-img {
  font-size: 3rem;
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-light);
  border-radius: 14px;
}
.game-card-img-logo {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.game-card-img-logo img { width: 100%; height: 100%; object-fit: contain; }
.game-card-body { flex: 1; }
.game-card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.game-tag {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-light);
  background: var(--gray-light);
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--gray-mid);
}
.game-card h2 { font-size: 1.2rem; margin-bottom: 8px; }
.game-card p  { font-size: .9rem; color: var(--text-light); margin-bottom: 14px; }
.game-features { list-style: none; margin-bottom: 18px; }
.game-features li {
  font-size: .85rem;
  color: var(--text-light);
  padding: 3px 0;
  padding-left: 18px;
  position: relative;
}
.game-features li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.coming-soon-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--gray-light);
  border: 1px solid var(--gray-mid);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-light);
}

/* ══════════════════════════════════════════════════════════════
   VIDEOS PAGE
══════════════════════════════════════════════════════════════ */
.yt-channel-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--blue-light);
  border: 1.5px solid var(--blue);
  border-radius: 12px;
  padding: 24px 28px;
  flex-wrap: wrap;
}
.yt-channel-banner h3 { font-size: 1.1rem; margin-bottom: 4px; }
.yt-channel-banner p  { font-size: .9rem; color: var(--text-light); margin: 0; }
.videos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.video-card { border: 1px solid var(--gray-mid); border-radius: 12px; overflow: hidden; background: var(--white); }
.video-embed { aspect-ratio: 16/9; background: var(--gray-light); overflow: hidden; }
.video-embed iframe { width: 100%; height: 100%; border: none; }
.video-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; color: var(--text-light);
}
.video-placeholder span { font-size: 2.5rem; opacity: .4; }
.video-placeholder p   { font-size: .82rem; margin: 0; }
.video-info { padding: 16px 18px; }
.video-info h3 { font-size: .98rem; margin: 8px 0 4px; }
.video-info p  { font-size: .85rem; color: var(--text-light); margin: 0; }

/* ══════════════════════════════════════════════════════════════
   EXERCISES HUB
══════════════════════════════════════════════════════════════ */
.ex-hub-grid { display: flex; flex-direction: column; gap: 36px; }
.ex-hub-list { display: flex; flex-direction: column; gap: 6px; }
.ex-hub-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: 9px;
  color: var(--text);
  font-size: .93rem;
  font-weight: 500;
  transition: all .15s;
}
.ex-hub-item:hover { border-color: var(--blue); background: var(--blue-light); color: var(--blue); }
.ex-hub-arrow { margin-left: auto; font-size: .82rem; opacity: .5; }
.ex-hub-item:hover .ex-hub-arrow { opacity: 1; }

/* ══════════════════════════════════════════════════════════════
   LEVEL TEST PAGE
══════════════════════════════════════════════════════════════ */
.result-card {
  background: var(--white);
  border: 1.5px solid var(--blue);
  border-radius: 14px;
  padding: 36px 32px;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.result-badge {
  font-size: 1.6rem;
  font-weight: 800;
  padding: 10px 28px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 18px;
}
.result-card h2 { font-size: 1.4rem; margin-bottom: 10px; }
.result-card p  { color: var(--text-light); }

/* Listenings coming soon section */
.coming-soon-section {
  text-align: center;
  padding: 60px 20px;
  background: var(--gray-light);
  border-radius: 16px;
  border: 1px solid var(--gray-mid);
}
.coming-soon-icon { font-size: 3.5rem; margin-bottom: 20px; }
.coming-soon-section h2 { margin-bottom: 12px; }
.coming-soon-section p { color: var(--text-light); margin-bottom: 12px; }

/* ══════════════════════════════════════════════════════════════
   GRAMMAR LEVEL SELECTOR (grammar/index.html)
══════════════════════════════════════════════════════════════ */
.level-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  margin-top: 30px;
}
.level-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 24px;
  border-radius: 14px;
  border: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: transform .15s, box-shadow .15s;
  flex: 1 1 260px;
  max-width: 300px;
}
.level-card:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,.12); }
.level-card .lc-badge {
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.level-card .lc-name { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.level-card .lc-desc { font-size: .85rem; color: var(--text-light); line-height: 1.5; }
.level-a1  { background: #f0faf3; border-color: #27ae60; }
.level-a1  .lc-badge { color: #27ae60; }
.level-a2  { background: #eaf4fc; border-color: var(--blue); }
.level-a2  .lc-badge { color: var(--blue); }
.level-b1  { background: #fef6ee; border-color: #e67e22; }
.level-b1  .lc-badge { color: #e67e22; }
.level-b2  { background: #f5eeff; border-color: #8e44ad; }
.level-b2  .lc-badge { color: #8e44ad; }
.level-c1  { background: #fdecea; border-color: #c0392b; }
.level-c1  .lc-badge { color: #c0392b; }
.level-c2  { background: #f5f5f5; border-color: #555; }
.level-c2  .lc-badge { color: #555; }

/* Level-card variants used with plain markup (badge div + h2 + p + topics row) */
.level-card-badge { font-size: 1.55rem; font-weight: 800; margin-bottom: 10px; }
.level-card h2 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.level-card p { font-size: .85rem; color: var(--text-light); line-height: 1.5; flex: 1; margin: 0; }
.level-card-topics { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; font-size: .82rem; font-weight: 700; }
.level-card-arrow { font-size: 1.1rem; }
.level-a1 .level-card-badge { color: #27ae60; }
.level-a2 .level-card-badge { color: var(--blue); }
.level-b1 .level-card-badge { color: #e67e22; }
.level-b2 .level-card-badge { color: #8e44ad; }
.level-c1 .level-card-badge { color: #c0392b; }
.level-c2 .level-card-badge { color: #555; }

/* Level cards that aren't active yet (e.g. C2 "coming soon") */
.level-coming-soon {
  position: relative;
  opacity: 0.7;
  cursor: not-allowed;
}
.coming-soon-ribbon {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #555;
  color: #fff;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 3px 9px;
  border-radius: 999px;
}

/* Small secondary note under a level card's listening count (e.g. C1 "More coming soon") */
.level-card-more-soon {
  font-size: .75rem;
  color: var(--text-light);
  margin-top: 6px;
}

/* Level test CTA link under the listening page intro */
.level-test-cta { margin-top: 10px; }
.level-test-cta a { font-size: .9rem; font-weight: 600; color: var(--blue); text-decoration: none; }
.level-test-cta a:hover { text-decoration: underline; }

/* "What every listening includes" section */
.listen-includes { margin-bottom: 36px; text-align: center; }
.listen-includes h2 { font-size: 1.3rem; margin-bottom: 20px; }
.listen-includes-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.listen-includes-item {
  flex: 1 1 200px;
  max-width: 240px;
  padding: 20px;
}
.listen-includes-icon { font-size: 2rem; margin-bottom: 10px; }
.listen-includes-item strong { display: block; font-size: 1rem; margin-bottom: 6px; }
.listen-includes-item p { font-size: .85rem; color: var(--text-light); margin: 0; }

/* Level list pages — quick switch pills */
.level-switch-row { display: flex; justify-content: center; gap: 8px; margin-bottom: 24px; }
.level-switch-pill {
  padding: 6px 16px;
  border-radius: 999px;
  border: 2px solid var(--gray-mid);
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
}
.level-switch-pill:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }

/* ══════════════════════════════════════════════════════════════
   GRAMMAR LEVEL PAGES (a1.html – c1.html)
══════════════════════════════════════════════════════════════ */
.level-header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}
.level-big-badge {
  font-size: 3rem;
  font-weight: 900;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  line-height: 1;
}
.level-header-a1 { background: linear-gradient(135deg, #27ae60, #2ecc71); }
.level-header-a2 { background: linear-gradient(135deg, var(--blue-dark), var(--blue)); }
.level-header-b1 { background: linear-gradient(135deg, #ca6f1e, #e67e22); }
.level-header-b2 { background: linear-gradient(135deg, #6c3483, #8e44ad); }
.level-header-c1 { background: linear-gradient(135deg, #922b21, #c0392b); }
.level-header-a1 .eyebrow,
.level-header-a2 .eyebrow,
.level-header-b1 .eyebrow,
.level-header-b2 .eyebrow,
.level-header-c1 .eyebrow { color: rgba(255,255,255,.75); font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 4px; }
.level-header-a1 h1,
.level-header-a2 h1,
.level-header-b1 h1,
.level-header-b2 h1,
.level-header-c1 h1 { color: #fff; margin-bottom: 6px; }
.level-header-a1 .lead,
.level-header-a2 .lead,
.level-header-b1 .lead,
.level-header-b2 .lead,
.level-header-c1 .lead { color: rgba(255,255,255,.85); }

.level-intro-box {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin-bottom: 32px;
  font-size: .95rem;
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════════
   SYLLABUS LIST (inside level pages)
══════════════════════════════════════════════════════════════ */
.syllabus-list { display: flex; flex-direction: column; gap: 28px; }
.syl-stage { }
.syl-stage-title {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--blue);
  border-bottom: 2px solid var(--blue-light);
  padding-bottom: 8px;
  margin-bottom: 10px;
}
.syl-items { display: flex; flex-direction: column; gap: 6px; }
.syl-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: 9px;
  text-decoration: none;
  color: var(--text);
  font-size: .92rem;
  transition: all .15s;
  pointer-events: none;
  opacity: .55;
}
.syl-item.syl-available {
  pointer-events: auto;
  opacity: 1;
}
.syl-item.syl-available:hover {
  border-color: var(--blue);
  background: var(--blue-light);
  color: var(--blue);
}
.syl-item.syl-preview {
  border-style: dashed;
  opacity: .4;
}
.syl-num {
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-light);
  min-width: 28px;
  text-align: center;
}
.syl-name { font-weight: 600; flex-shrink: 0; }
.syl-tag {
  font-size: .8rem;
  color: var(--text-light);
  margin-left: auto;
  text-align: right;
}
@media (max-width:560px) { .syl-tag { display: none; } }

.level-nav-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-mid);
  gap: 12px;
}

/* ══════════════════════════════════════════════════════════════
   WHEN / WHILE COMPARISON TABLE (used in past-continuous etc.)
══════════════════════════════════════════════════════════════ */
.ww-table {
  border: 1.5px solid var(--gray-mid);
  border-radius: 10px;
  overflow: hidden;
  font-size: .92rem;
}
.ww-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--gray-mid);
}
.ww-row:last-child { border-bottom: none; }
.ww-row > div {
  padding: 13px 18px;
  line-height: 1.5;
}
.ww-row > div:first-child { border-right: 1px solid var(--gray-mid); }
.ww-header {
  background: var(--blue-light);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .03em;
}
.ww-row:not(.ww-header):nth-child(even) { background: #fafafa; }

/* ══════════════════════════════════════════════════════════════
   GRAMMAR CONTENT PAGES — shared components
══════════════════════════════════════════════════════════════ */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 44px;
  align-items: start;
}
@media (max-width:860px) {
  .content-with-sidebar { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
}
.main-content { min-width: 0; }

.sidebar {
  position: sticky;
  top: 90px;
  background: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: 12px;
  padding: 20px;
}
.sidebar h4 { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-light); margin-bottom: 12px; }
.sidebar-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.sidebar-links li a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: var(--text);
  padding: 7px 10px;
  border-radius: 7px;
  text-decoration: none;
  transition: background .12s, color .12s;
}
.sidebar-links li a:hover { background: var(--blue-light); color: var(--blue); }
.sidebar-all { margin-top: 10px; border-top: 1px solid var(--gray-mid); padding-top: 10px; }
.sidebar-all a { font-weight: 700; color: var(--blue) !important; }

.jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.jump-links a {
  padding: 6px 14px;
  background: var(--blue-light);
  color: var(--blue);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .12s, color .12s;
}
.jump-links a:hover { background: var(--blue); color: var(--white); }

.example-box {
  padding: 8px 14px;
  background: #f8f9fa;
  border-left: 3px solid var(--blue);
  border-radius: 0 6px 6px 0;
  margin: 5px 0;
  font-size: .9rem;
  line-height: 1.5;
}

.signal-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  padding: 5px 13px;
  background: var(--blue-light);
  color: var(--blue-dark);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
}

/* Exercises */
.ex-set { background: var(--gray-light); border-radius: 12px; padding: 24px; }
.ex-desc { font-size: .9rem; color: var(--text-light); margin-bottom: 18px; }
.ex-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  font-size: .93rem;
}
.ex-num { font-weight: 700; min-width: 20px; color: var(--blue); }
.ex-q { flex: 1; line-height: 1.7; }
.ex-input {
  border: 1.5px solid var(--gray-mid);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: .9rem;
  min-width: 120px;
  font-family: inherit;
  transition: border-color .15s;
}
.ex-input:focus { outline: none; border-color: var(--blue); }
.input-correct { border-color: #27ae60 !important; background: #f0faf3; }
.input-wrong   { border-color: #e74c3c !important; background: #fdecea; }
.ex-feedback { font-size: .82rem; font-weight: 700; }
.ex-correct { color: #27ae60; }
.ex-wrong   { color: #e74c3c; }
.ex-score {
  margin-top: 14px;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: .95rem;
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
}
.score-perfect { border-color: #27ae60; color: #27ae60; background: #f0faf3; }

.mc-item { margin-bottom: 22px; }
.mc-q { font-weight: 500; margin-bottom: 10px; line-height: 1.5; }
.mc-opts { display: flex; flex-direction: column; gap: 7px; padding-left: 8px; }
.mc-opts label { display: flex; align-items: center; gap: 9px; font-size: .9rem; cursor: pointer; }
.mc-opts input { margin: 0; cursor: pointer; }
.mc-feedback { font-size: .82rem; font-weight: 700; margin-top: 6px; padding-left: 8px; }
.mc-correct { color: #27ae60; }
.mc-wrong   { color: #e74c3c; }
.mc-warn    { color: #e67e22; }

/* Grammar table */
.g-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  margin-top: 12px;
}
.g-table th {
  background: var(--blue-light);
  color: var(--blue-dark);
  padding: 9px 14px;
  text-align: left;
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .03em;
}
.g-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-mid);
  line-height: 1.55;
  vertical-align: top;
}
.g-table tr:last-child td { border-bottom: none; }
.g-table tr:nth-child(even) td { background: #fafafa; }

/* Tip box */
.tip-box {
  background: #fff8e1;
  border-left: 4px solid #f39c12;
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  font-size: .9rem;
  line-height: 1.6;
}

/* Badges */
.badge-a1 { background: #e9f9ee; color: #27ae60; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-a2 { background: var(--blue-light); color: var(--blue); padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-b1 { background: #fef3e7; color: #e67e22; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-b2 { background: #f5eeff; color: #8e44ad; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-c1 { background: #fdecea; color: #c0392b; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.cs-feature-list {
  list-style: none;
  text-align: left;
  max-width: 440px;
  margin: 14px auto 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cs-feature-list li {
  font-size: .9rem;
  color: var(--text-light);
  padding-left: 22px;
  position: relative;
}
.cs-feature-list li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }

/* ══════════════════════════════════════════════════════════════
   LISTENING PAGE
══════════════════════════════════════════════════════════════ */
.listen-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.listen-filter {
  padding: 8px 20px;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--gray-mid);
  background: var(--white);
  color: var(--text);
  font-family: 'Poppins', sans-serif;
  transition: all .15s;
}
.listen-filter:hover { border-color: var(--blue); color: var(--blue); }
.listen-filter.active { background: var(--blue); color: var(--white); border-color: var(--blue); }

.listen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.listen-card {
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
  border-radius: 14px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow .15s, border-color .15s;
}
.listen-card:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.listen-card[hidden] { display: none !important; }

.listen-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.listen-speaker {
  font-size: .83rem;
  color: var(--text-light);
  font-weight: 500;
}
.listen-card h3 {
  font-size: 1rem;
  margin: 0;
  line-height: 1.35;
}
.listen-topic {
  font-size: .81rem;
  color: var(--text-light);
  margin: 0;
}
.listen-card audio {
  width: 100%;
  height: 36px;
  border-radius: 6px;
  outline: none;
}

/* Lesson page audio player — full width so the seek bar is easy to scrub */
.main-content audio {
  width: 100%;
  height: 40px;
  border-radius: 6px;
  outline: none;
  display: block;
  margin-bottom: 20px;
}

.listen-questions {
  background: var(--blue-light);
  border: 1px solid var(--blue);
  border-radius: 8px;
  padding: 13px 16px;
  font-size: .87rem;
}
.listen-questions p {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--blue-dark);
}
.listen-questions ol { margin: 0; padding-left: 18px; }
.listen-questions li { margin-bottom: 4px; color: var(--text); line-height: 1.45; }

.listen-transcript {
  border: 1px solid var(--gray-mid);
  border-radius: 8px;
  overflow: hidden;
  font-size: .87rem;
}
.listen-transcript summary {
  padding: 9px 14px;
  font-weight: 600;
  color: var(--blue);
  cursor: pointer;
  background: var(--gray-light);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 7px;
  user-select: none;
}
.listen-transcript summary::-webkit-details-marker { display: none; }
.listen-transcript summary::before { content: '▶'; font-size: .65rem; transition: transform .15s; }
.listen-transcript[open] summary::before { transform: rotate(90deg); }
.listen-transcript-body {
  padding: 14px 16px;
  color: var(--text-light);
  line-height: 1.75;
  max-height: 240px;
  overflow-y: auto;
}
.listen-credit {
  font-size: .78rem;
  color: var(--text-light);
  margin: 0;
}
.listen-credit a { color: var(--blue); }

.listen-ex-section { background: var(--gray-light); border: 1px solid var(--gray-mid); border-radius: 10px; padding: 16px 18px; }
.listen-ex-title { font-size: .76rem; font-weight: 700; color: var(--blue-dark); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--gray-mid); }
.listen-gap-row { font-size: .9rem; line-height: 2.8; }
.listen-gap-sel { font-family: 'Poppins', sans-serif; font-size: .88rem; border: 2px solid var(--gray-mid); border-radius: 6px; padding: 3px 8px; background: var(--white); color: var(--text); cursor: pointer; transition: border-color .15s; margin: 0 3px; }
.listen-gap-sel:focus { outline: none; border-color: var(--blue); }
.gap-correct { border-color: var(--green) !important; color: var(--green) !important; }
.gap-wrong   { border-color: var(--red)   !important; color: var(--red)   !important; }

/* Vocabulary matching exercise (C1) */
.match-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-mid);
}
.match-item:last-of-type { border-bottom: none; }
.match-word { font-weight: 600; font-size: .92rem; }
.match-sel {
  font-family: 'Poppins', sans-serif;
  font-size: .85rem;
  border: 2px solid var(--gray-mid);
  border-radius: 6px;
  padding: 5px 10px;
  background: var(--white);
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s;
  flex: 1 1 260px;
  max-width: 360px;
}
.match-sel:focus { outline: none; border-color: var(--blue); }
.match-correct { border-color: var(--green) !important; color: var(--green) !important; }
.match-wrong   { border-color: var(--red)   !important; color: var(--red)   !important; }

/* Lesson page — sidebar "continue with next" box */
.listen-next-box {
  background: var(--blue-light);
  border: 1px solid var(--blue);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 20px;
}
.listen-next-label { font-size: .74rem; font-weight: 700; color: var(--blue-dark); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.listen-next-link { font-size: .92rem; font-weight: 600; color: var(--blue); line-height: 1.4; display: block; }
.listen-next-link:hover { text-decoration: underline; }

/* Listening index — teaser cards (link out to their own page) */
.listen-teaser {
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  transition: box-shadow .15s, border-color .15s;
}
.listen-teaser:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.listen-teaser[hidden] { display: none !important; }
.listen-teaser h3 { font-size: 1rem; margin: 0; color: var(--text); }
.listen-teaser-start { font-size: .85rem; font-weight: 700; color: var(--blue); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-img { flex: none; width: 100%; max-width: 320px; margin: 0 auto; }
  .hero-ctas { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grammar-wrap { flex-direction: column; }
  .grammar-sidebar { position: static; flex: none; width: 100%; }
  .content-with-sidebar { flex-direction: column; }
  .sidebar { position: static; flex: none; width: 100%; order: 1; }
  .main-content { order: 2; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 48px 0; }
  .section { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .game-card { flex-direction: column; }
  .yt-channel-banner { flex-direction: column; text-align: center; }
  .result-card { padding: 28px 20px; }
  .listen-grid { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════
   VOCABULARY PAGES (A1 level)
══════════════════════════════════════════════════════════════ */
.vocab-intro {
  font-size: .95rem;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.6;
}
.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}
.vocab-card {
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
  border-radius: 12px;
  padding: 16px 14px 12px;
  text-align: center;
  transition: border-color .15s, box-shadow .15s;
}
.vocab-card:hover { border-color: var(--blue); box-shadow: 0 4px 14px rgba(27,156,216,.12); }
.vocab-word { font-size: 1.15rem; font-weight: 800; color: var(--text); margin-bottom: 3px; }
.vocab-ipa  { font-size: .78rem; color: var(--text-light); font-style: italic; margin-bottom: 5px; letter-spacing: .01em; }
.vocab-es   { font-size: .88rem; font-weight: 600; color: var(--blue-dark); margin-bottom: 4px; }
.vocab-ex   { font-size: .76rem; color: var(--text-light); font-style: italic; line-height: 1.4; }

/* Number cards (bigger emphasis) */
.vocab-grid.numbers .vocab-card { padding-top: 20px; }
.vocab-grid.numbers .vocab-num  { font-size: 2rem; font-weight: 900; color: var(--blue); line-height: 1; margin-bottom: 4px; }
.vocab-grid.numbers .vocab-word { font-size: 1.05rem; }

/* Alphabet cards */
.vocab-grid.alphabet { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 10px; }
.vocab-grid.alphabet .vocab-card { padding: 12px 8px; }
.vocab-grid.alphabet .vocab-letter { font-size: 1.8rem; font-weight: 900; color: var(--blue); line-height: 1; }
.vocab-grid.alphabet .vocab-ipa { font-size: .72rem; }

/* Colour cards */
.vocab-grid.colours .vocab-card { padding-top: 0; overflow: hidden; }
.colour-swatch { height: 52px; width: 100%; border-radius: 9px 9px 0 0; }
.vocab-grid.colours .vocab-word { margin-top: 10px; }

/* Matching exercise */
.match-exercise { background: var(--gray-light); border-radius: 12px; padding: 24px; }
.match-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.match-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.match-item {
  padding: 9px 14px;
  background: var(--white);
  border: 1.5px solid var(--gray-mid);
  border-radius: 8px;
  font-size: .9rem;
  cursor: pointer;
  transition: border-color .12s, background .12s;
  user-select: none;
}
.match-item:hover    { border-color: var(--blue); background: var(--blue-light); }
.match-item.selected { border-color: var(--blue); background: var(--blue-light); font-weight: 700; }
.match-item.correct  { border-color: #27ae60; background: #f0faf3; color: #27ae60; font-weight: 700; }
.match-item.wrong    { border-color: #e74c3c; background: #fdecea; color: #e74c3c; }
@media (max-width:540px) { .match-cols { grid-template-columns: 1fr; } .vocab-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); } }