:root {
  --teal: #42C4C6;
  --dark: #111111;
  --light: #ffffff;
  --accent: #ffce54;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Lato', sans-serif;
  background: #f7f9fb;
  color: var(--dark);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

header {
  background: linear-gradient(135deg, var(--teal), #29a7e0);
  color: var(--light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.nav-logo span {
  font-weight: 700;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

.nav-links a {
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.15);
}

.hero {
  background: linear-gradient(135deg, var(--teal), #37b8b8);
  color: var(--light);
  padding: 3.5rem 1rem 2.5rem;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2rem;
  align-items: center;
}

.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.hero-highlight {
  color: #ffdd73;
}

.hero-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  text-transform: lowercase;
}

.hero-text {
  max-width: 500px;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.2s ease;
}

.btn-primary {
  background: var(--dark);
  color: var(--light);
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn-outline {
  background: transparent;
  color: var(--light);
  border: 1px solid rgba(255,255,255,0.7);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.25);
}

.hero-illustration {
  text-align: center;
  font-size: 4rem;
  position: relative;
}


.hero-emoji{
  font-size: 4rem;
  line-height: 1;
}

.hero-flag svg{
  width: 4rem;
  height: auto;
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 900px){
  .hero-emoji{ font-size: 3.4rem; }
  .hero-flag svg{ width: 3.4rem; }
}

.float {
  animation: float 3s ease-in-out infinite;
  display: inline-block;
}

.float-delay-1 { animation-delay: 0.4s; }
.float-delay-2 { animation-delay: 0.8s; }

@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-tag {
  margin-top: 1rem;
  font-size: 1rem;
  text-transform: lowercase;
  letter-spacing: 1px;
}

section {
  padding: 2.5rem 1rem;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

.section-title span {
  color: var(--teal);
}

.section-title-left {
  text-align: left;
}

.section-lead {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 1.5rem;
}

.section-lead.small-center {
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--light);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.05);
}

.card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.card ul {
  list-style: none;
}

.card ul li {
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
}

.card ul li::before {
  content: "• ";
  color: var(--teal);
  font-weight: bold;
}

.zoom-section {
  background: #e5fbfd;
}

.zoom-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
  gap: 1.5rem;
  align-items: center;
}

.zoom-rules {
  background: #111111;
  color: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
}

.zoom-rules h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.zoom-rules ul {
  list-style: none;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.zoom-rules ul li {
  margin-bottom: 0.4rem;
}

.zoom-rules ul li::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: bold;
}

.btn-zoom {
  background: #6c63ff;
  color: #ffffff;
}

.zoom-meta {
  margin-top: 0.7rem;
}

.resource-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.pill-card {
  text-align: center;
  padding: 1.1rem;
  background: var(--light);
  border-radius: 0.9rem;
  box-shadow: 0 5px 14px rgba(0,0,0,0.06);
  font-size: 0.95rem;
}

.pill-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}


/* Clickable pill (details) */
.pill-detail {
  padding: 0;
}
.pill-detail > summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}
.pill-detail > summary::-webkit-details-marker { display: none; }
.pill-detail[open] > summary {
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
body.dark .pill-detail[open] > summary {
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.pill-detail-body{
  padding: 1rem 1.1rem 1.2rem;
  text-align: left;
}
.packages {
  background: #ffffff;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.package-card {
  text-align: center;
  border-radius: 1rem;
  padding: 1.5rem 1.2rem;
  box-shadow: 0 8px 18px rgba(0,0,0,0.06);
  background: #fdfdfd;
}

.badge {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin: 0 auto 0.75rem;
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #f2f2f2 30%, #d6d6d6 70%, #b9b9b9 100%);
  border: 3px solid rgba(0,0,0,0.05);
}

.badge-starter {
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #f2d2b6 35%, #cd7f32 78%, #9a5a2a 100%);
}

.badge-standard {
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #e0e0e0 40%, #d2d2d2 80%, #b4b4b4 100%);
}

.badge-intensive {
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #ffe7b0 30%, #ffdf77 60%, #ffce54 90%);
}

.package-card h3 {
  margin-bottom: 0.4rem;
  font-family: 'Montserrat', sans-serif;
}

.package-price {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--teal);
}

.package-details {
  font-size: 0.9rem;
  margin-bottom: 0.9rem;
}

.timetable-section {
  background: #e9f7ff;
}

.timetable-note {
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
}

details {
  background: #ffffff;
  border-radius: 0.8rem;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 4px 8px rgba(0,0,0,0.04);
}

summary {
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "➤ ";
  color: var(--teal);
  font-size: 0.85rem;
}

details ul {
  margin-top: 0.5rem;
  margin-left: 1rem;
  font-size: 0.9rem;
}

.contact {
  background: linear-gradient(135deg, var(--teal), #29a7e0);
  color: #ffffff;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 2fr);
  gap: 1.5rem;
  align-items: center;
}

.contact h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.contact-list {
  list-style: none;
  font-size: 0.95rem;
  margin-top: 1rem;
}

.contact-list li {
  margin-bottom: 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.contact-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  font-size: 1.1rem;
}

.contact-illustration {
  text-align: center;
}

.contact-emojis {
  font-size: 3rem;
  margin-bottom: 0.6rem;
}

.footer-note {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .hero-inner,
  .zoom-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .nav-links {
    display: none;
  }

  .hero-title {
    font-size: 2rem;
  }
}

/* ===== Level Test (Quiz) ===== */
.level-test.section { padding-top: 4rem; padding-bottom: 4rem; }
.level-test-grid{
  display:grid;
  grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
  align-items:start;
}
.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;}
.quiz-progress{flex:1;height:10px;background:#eef2f6;border-radius:999px;overflow:hidden;}
.quiz-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--teal),var(--accent));border-radius:999px;transition:width .2s ease;}
.quiz-meta{font-weight:800;color:#1b1b1b;font-family:'Montserrat',sans-serif;font-size:.95rem;}
.quiz-question{margin:0 0 1rem;}
.quiz-options{display:grid;gap:.75rem;margin-bottom:1rem;}
.quiz-option{border:1px solid #e6ebf1;background:#f7f9fb;border-radius:1rem;padding:.9rem 1rem;cursor:pointer;transition:transform .1s ease, box-shadow .1s ease, border-color .2s ease;}
.quiz-option:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.07);border-color:rgba(66,196,198,.55);}
.quiz-option input{display:none;}
.quiz-option.selected{border-color:var(--teal);background:#e5fbfd;}
.quiz-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:.25rem;}
.quiz-note{margin-top:.9rem;color:#556;font-size:.95rem;}
.quiz-level{font-family:'Montserrat',sans-serif;font-weight:900;font-size:1.15rem;margin:.35rem 0 .75rem;color:#0f2b4e;}
.result-title{margin-bottom:.25rem;}
.result-summary{margin-bottom:1rem;}
.result-block{border:1px solid #e6ebf1;border-radius:1rem;padding:1rem;background:#fbfcfe;margin:.9rem 0;}
.quiz-textarea{width:100%;border:1px solid #dfe6ee;border-radius:1rem;padding:.9rem 1rem;font-family:inherit;font-size:1rem;outline:none;}
.quiz-textarea:focus{border-color:rgba(66,196,198,.7);box-shadow:0 0 0 4px rgba(66,196,198,.15);}
.result-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem;}
.answers-panel{margin-top:1rem;border-top:1px solid #e6ebf1;padding-top:1rem;}
.answers-item{padding:.75rem 0;border-bottom:1px dashed #e6ebf1;}
.answers-item:last-child{border-bottom:none;}
.answers-q{font-weight:800;}
.answers-a{color:#0f2b4e;}
.answers-note{margin-top:.75rem;color:#556;font-size:.95rem;}
@media (max-width: 900px){
  .level-test-grid{grid-template-columns:1fr;}
}


/* ===== Theme Toggle ===== */
.theme-toggle{
  margin-left: .75rem;
  padding: .55rem .75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.12);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
}
.theme-toggle:hover{ transform: translateY(-1px); }

/* ===== Icons ===== */
.contact-icon .icon{
  width: 20px;
  height: 20px;
  display: block;
}

/* ===== Level Test ===== */
.level-test{ background:#fff; }
.level-test-wrap{
  display:grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 1.25rem;
  margin-top: 1rem;
}
.quiz-top{ display:flex; align-items:center; justify-content:space-between; gap: 1rem; margin-bottom: 1rem; }
.quiz-progress{ flex:1; height:10px; background:#eef2f6; border-radius:999px; overflow:hidden; }
.quiz-progress-bar{ height:100%; width:0%; background: linear-gradient(90deg, var(--teal), var(--accent)); transition: width .2s ease; }
.quiz-meta{ font-weight:800; font-family:'Montserrat',sans-serif; }
.quiz-options{ display:grid; gap:.7rem; margin-bottom: 1rem; }
.quiz-option{
  border: 1px solid #e6ebf1;
  background: #f7f9fb;
  border-radius: .9rem;
  padding: .85rem 1rem;
  cursor:pointer;
  transition: transform .1s ease, box-shadow .1s ease, border-color .2s ease;
}
.quiz-option:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0,0,0,.06);
  border-color: rgba(66,196,198,.55);
}
.quiz-option.selected{ border-color: var(--teal); background: #e5fbfd; }
.quiz-option input{ display:none; }
.quiz-actions{ display:flex; gap:.75rem; flex-wrap:wrap; }
.answer-key{ margin-top: 1rem; padding-top: .75rem; border-top: 1px solid #e8edf3; }
.answer-key h4{ margin: .25rem 0 .5rem; }
.answer-key ol{ padding-left: 1.1rem; }
.answer-key li{ margin: .25rem 0; }
.vocab-lists{ margin-top: .9rem; }
.vocab-detail{ margin-top: .6rem; border: 1px solid #e8edf3; border-radius: .9rem; background: #f9fbff; padding: .25rem .75rem; }
.vocab-detail summary{ cursor:pointer; padding: .45rem .2rem; }
.vocab-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: .25rem 1rem; margin: .5rem 0 .8rem; padding-left: 1rem; }
.tiny-note{ font-size: .9rem; color:#556; margin-top:.6rem; }

@media (max-width: 900px){
  .level-test-wrap{ grid-template-columns: 1fr; }
}

/* ===== Dark Mode ===== */
body.dark{
  background: #0b1220;
  color: #e9eef8;
}
body.dark .nav{ background: rgba(9,14,26,0.85); }
body.dark .hero{ background: radial-gradient(1200px 600px at 10% 10%, rgba(46,196,198,0.25), transparent 45%), radial-gradient(900px 520px at 90% 40%, rgba(21,61,119,0.35), transparent 55%), #0b1220; }
body.dark .card{ background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.10); }
body.dark .quiz-option{ background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); }
body.dark .quiz-option.selected{ background: rgba(46,196,198,0.18); }
body.dark .quiz-progress{ background: rgba(255,255,255,0.10); }
body.dark a{ color: #bfeff0; }
body.dark .vocab-detail{ background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.10); }


/* ===== Dark mode readability fixes ===== */
body.dark .section-title,
body.dark h1, body.dark h2, body.dark h3, body.dark h4,
body.dark .hero-title,
body.dark .nav-logo,
body.dark .zoom-rules h3{
  color: #e9eef8;
}
body.dark p,
body.dark li,
body.dark .section-lead,
body.dark summary,
body.dark .quiz-note,
body.dark .quiz-meta{
  color: #d7e1f3;
}
body.dark .hero-subtitle{ color: #bfeff0; }
body.dark .section-title span,
body.dark .hero-highlight{ color: var(--teal); }
body.dark .nav-links a{ color: #e9eef8; }
body.dark .nav-links a:hover{ color: var(--teal); }
body.dark .contact-list a{ color: #bfeff0; }
body.dark .contact-icon{ color: #bfeff0; }


.btn-small{ padding:.55rem .85rem; font-size:.92rem; }
.resource-cta{ margin:.75rem 0 .6rem; color:#556; }
.subsection-title{ margin-top: 1.2rem; font-family: 'Montserrat', sans-serif; }


/* ===== Dark Mode – Strong Contrast Fixes ===== */
body.dark section{ background: transparent; }
body.dark #whats-here,
body.dark .zoom-section,
body.dark .timetable-section,
body.dark .packages,
body.dark .contact{ background: transparent; }
body.dark .pill-card{ background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.10); color:#e9eef8; }
body.dark .pill-icon{ color: var(--teal); }

/* Clickable pill (details) */
.pill-detail {
  padding: 0;
}
.pill-detail > summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}
.pill-detail > summary::-webkit-details-marker { display: none; }
.pill-detail[open] > summary {
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
body.dark .pill-detail[open] > summary {
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.pill-detail-body{
  padding: 1rem 1.1rem 1.2rem;
  text-align: left;
}
body.dark .zoom-rules{ background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.10); }
body.dark .zoom-meta{ color:#d7e1f3; }
body.dark details{ background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.10); }
body.dark details summary{ color:#e9eef8; }
body.dark details ul li{ color:#d7e1f3; }
body.dark .package-card{ background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.10); }
body.dark .package-price{ color: var(--teal); }
body.dark .footer-note{ color:#d7e1f3; }
body.dark .resource-cta{ color:#d7e1f3; }
body.dark .vocab-detail{ background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.10); }
body.dark .tiny-note{ color:#d7e1f3; }


/* ===== Hero icons (consistent across devices) ===== */
.hero-illustration{ text-align:center; font-size: 4rem; position: relative; }
.hero-icon{
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25em;
  height: 1.25em;
  border-radius: 999px;
  padding: 0.18em;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 10px 22px rgba(0,0,0,0.12);
  margin: 0 0.18rem;
}
.hero-icon svg{ width: 1em; height: 1em; }
body.dark .hero-icon{
  background: rgba(0,0,0,0.28);
  border-color: rgba(255,255,255,0.14);
  box-shadow: 0 10px 22px rgba(0,0,0,0.35);
}

.icon-eiffel{ color: var(--accent); }
body.dark .icon-eiffel{ color: #e9eef8; }

.icon-baguette{ color: #c98f2d; }
body.dark .icon-baguette{ color: #f5d9a8; }

.icon-flag{ color: var(--accent); }
body.dark .icon-flag{ color: #e9eef8; }
.icon-flag svg{ width: 1.1em; height: 0.75em; }


/* ===== Clickable learning tools ===== */
.pill-link{
  text-decoration: none;
  color: inherit;
}
.pill-link:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.10);
}

/* ===== Dark mode readability fixes ===== */
body.dark .package-card,
body.dark .package-details,
body.dark .timetable-note,
body.dark .timetable-section,
body.dark .zoom-section,
body.dark .packages,
body.dark #whats-here{
  color: #e9eef8;
}

body.dark .timetable-section{ background: transparent !important; }
body.dark .packages{ background: transparent !important; }
body.dark #whats-here{ background: transparent !important; }

body.dark .package-details,
body.dark .timetable-note{
  color: #d7e1f3;
}

body.dark .badge{
  border-color: rgba(255,255,255,0.10);
}