:root {
  --navy:        #101F31;
  --navy-deep:   #08111E;
  --blue:        #5AB3E9;
  --blue-deep:   #2F8FC9;
  --blue-light:  #A8D7F1;
  --blue-pale:   #EAF5FC;
  --white:       #FFFFFF;
  --surface:     #F8FAFC;
  --surface-2:   #F1F5F9;
  --border:      rgba(0,0,0,0.08);
  --border-dark: rgba(255,255,255,0.12);
  --text-primary:   #1E293B;
  --text-secondary: #64748B;
  --text-tertiary:  #94A3B8;
  --green-pale:  #E1F5EE;
  --green-mid:   #0F6E56;
  --amber-pale:  #FAEEDA;
  --amber-mid:   #854F0B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; font-size: 15px; color: var(--text-primary); background: white; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2 { font-family: 'DM Serif Display', serif; color: var(--navy); }
h3 { font-weight: 500; color: var(--navy); }
p { line-height: 1.75; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section--dark { background: var(--navy); }
.section--surface { background: var(--surface); }
.section--surface-2 { background: var(--surface-2); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }

/* Buttons */
.btn-primary {
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 24px;
  padding: 12px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--blue-deep); }

.btn-dark {
  background: var(--navy);
  color: white;
  border: none;
  border-radius: 24px;
  padding: 12px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s;
}
.btn-dark:hover { background: #1c3149; }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid rgba(16,31,49,0.25);
  border-radius: 24px;
  padding: 12px 24px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--navy); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 11px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s;
}
.btn-outline:hover { border-color: var(--navy); }

/* Cards */
.card {
  background: white;
  border: 0.5px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

/* Badges */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
}
.badge-blue  { background: var(--blue-pale); color: var(--blue); }
.badge-green { background: var(--green-pale); color: var(--green-mid); }
.badge-amber { background: var(--amber-pale); color: var(--amber-mid); }
.badge-navy  { background: var(--navy); color: white; }

/* Featured section */
.featured-section { background: var(--surface); padding: 80px 0; }
.featured-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 56px;
  align-items: center;
}
.featured-copy h2 { font-size: 36px; line-height: 1.15; margin-top: 4px; }
.featured-copy > p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-top: 16px;
  max-width: 560px;
}
.featured-bullets {
  list-style: none;
  margin: 28px 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.featured-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-primary);
}
.featured-link {
  display: inline-block;
  color: var(--blue);
  font-weight: 500;
  font-size: 14px;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.featured-visual { display: flex; justify-content: center; align-items: center; }
.featured-phone-mockup { width: 420px; max-width: 100%; display: block; }
.css-phone-frame {
  position: relative;
  width: 290px;
  background: #101F31;
  border-radius: 44px;
  padding: 8px 5px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: 0 32px 64px rgba(16,31,49,0.28), 0 8px 24px rgba(16,31,49,0.14);
}
.css-phone-frame--no-shadow {
  box-shadow: none;
}
.css-phone-notch {
  width: 80px;
  height: 22px;
  background: #101F31;
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.css-phone-notch::after {
  content: '';
  display: block;
  width: 36px;
  height: 10px;
  background: #0a1624;
  border-radius: 8px;
  margin: 6px auto 0;
}
.css-phone-screen-img {
  width: 100%;
  border-radius: 34px;
  display: block;
  margin-top: 8px;
}
.phone-frame {
  width: 248px;
  background: var(--navy);
  border-radius: 36px;
  padding: 14px;
  box-shadow: 0 24px 60px rgba(15,23,42,0.18);
}
.phone-screen {
  background: white;
  border-radius: 26px;
  aspect-ratio: 9 / 18;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
}
.phone-screen-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 600;
}
.phone-streak {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--amber-pale);
  color: var(--amber-mid);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  align-self: flex-start;
}
.phone-score-block {
  margin-top: auto;
  margin-bottom: auto;
  text-align: center;
}
.phone-score {
  font-family: 'DM Serif Display', serif;
  font-size: 56px;
  color: var(--navy);
  line-height: 1;
}
.phone-score-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}
.phone-bar {
  height: 6px;
  background: var(--blue-pale);
  border-radius: 999px;
  overflow: hidden;
}
.phone-bar > span {
  display: block;
  height: 100%;
  width: 90%;
  background: var(--blue);
}
.phone-caption {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
}
@media (max-width: 820px) {
  .featured-grid { grid-template-columns: 1fr; gap: 36px; }
  .featured-visual { order: 1; }
}

/* Section label */
.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
  display: block;
}

/* Navigation */

.main-nav {
  background: white;
  border-bottom: 0.5px solid var(--border);
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow 0.2s;
}
.main-nav.nav-scrolled { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  text-decoration: none;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}
.nav-logo-img { height: 28px; width: auto; display: block; }
.logo-first { color: var(--navy); }
.logo-english { color: var(--blue); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--navy);
  font-weight: 500;
}
.nav-right { display: flex; align-items: center; gap: 12px; margin-left: auto; flex-shrink: 0; }
.nav-cta { flex-shrink: 0; }

/* Language selector */
.lang-selector { position: relative; }
.lang-trigger { background: transparent; border: none; cursor: pointer; padding: 6px 8px; border-radius: 8px; display: flex; align-items: center; gap: 4px; }
.lang-trigger:hover { background: #f8fafc; }
.lang-chevron { font-size: 12px; color: #9aa5bc; transition: transform 0.2s; }
.lang-selector.open .lang-chevron { transform: rotate(180deg); }
.lang-dropdown { display: none; position: absolute; top: calc(100% + 8px); right: 0; background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); padding: 6px; min-width: 160px; z-index: 100; }
.lang-selector.open .lang-dropdown { display: block; }
.lang-option { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 7px; }
.lang-label { font-size: 13px; }
.lang-option-active { background: #eef6ff; color: #5AB3E9; font-weight: 600; }
.lang-option-inactive { color: #9aa5bc; cursor: default; }
.lang-option-inactive:hover { background: #f8fafc; }
.lang-coming-soon { background: #f1f5f9; color: #9aa5bc; font-size: 10px; padding: 2px 6px; border-radius: 8px; margin-left: auto; white-space: nowrap; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 1px;
  transition: all 0.2s;
}
.mobile-menu {
  display: none;
  background: white;
  border-bottom: 0.5px solid var(--border);
  padding: 0 24px;
  flex-direction: column;
  gap: 12px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.mobile-menu.open {
  max-height: 400px;
  padding: 16px 24px;
}
.mobile-menu a {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 0.5px solid var(--border);
  display: block;
}
.mobile-menu .btn-primary {
  display: block;
  text-align: center;
  margin-top: 8px;
}

/* Footer */
.footer {
  background: var(--navy-deep);
  padding: 56px 24px 32px;
}
.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  padding-bottom: 40px;
}
.footer-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  margin-bottom: 12px;
  display: block;
}
.footer-logo .logo-first { color: white; }
.footer-logo .logo-english { color: var(--blue-light); }
.footer-tagline { font-size: 13px; color: rgba(255,255,255,0.4); margin-bottom: 12px; }
.footer-email { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-email a { color: rgba(255,255,255,0.55); text-decoration: none; }
.footer-email a:hover { color: white; }
.footer-col h4 { font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.8); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.45); transition: color 0.15s; }
.footer-col ul li a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  border-top: 0.5px solid var(--border-dark);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.4); }
.footer-legal { font-size: 12px; color: rgba(255,255,255,0.4); }
.footer-legal a { color: rgba(255,255,255,0.4); }
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* Hero */
.hero { background: white; padding: 88px 0 72px; }
.hero .container {
  display: grid;
  grid-template-columns: 45fr 55fr;
  gap: 48px;
  align-items: center;
  max-width: 1100px;
}
.hero-eyebrow {
  background: rgba(16,31,49,0.06);
  border: 0.5px solid rgba(16,31,49,0.14);
  border-radius: 20px;
  padding: 5px 14px;
  display: inline-block;
  margin-bottom: 20px;
  font-size: 12px;
  color: var(--navy);
  font-family: 'DM Sans', sans-serif;
}
.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 44px;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.hero h1 em { font-style: italic; color: var(--blue); }
.hero-para {
  margin-top: 20px;
  color: #4a5568;
  max-width: 460px;
  font-size: 16px;
}
.hero-btns {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-stats {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 0.5px solid rgba(0,0,0,0.08);
  display: flex;
  gap: 20px;
  flex-wrap: nowrap;
}
.hero-stat {
  min-width: 0;
}
.hero-stat .stat-val {
  font-size: 18px;
  font-weight: 600;
  color: #0f1624;
  margin-bottom: 4px;
  line-height: 1.2;
  white-space: nowrap;
}
.hero-stat .stat-label {
  font-size: 11px;
  color: #101F31;
  line-height: 1.4;
}

/* App mockup */
.app-mockup {
  background: #1E293B;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.mockup-chrome {
  background: var(--navy);
  height: 36px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 6px;
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-nav-bar {
  background: var(--navy);
  padding: 10px 16px;
  display: flex;
  gap: 16px;
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  border-bottom: 0.5px solid rgba(255,255,255,0.06);
  flex-wrap: wrap;
}
.mockup-body {
  background: #1E293B;
  padding: 20px 16px;
}
.mockup-heading {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: white;
}
.mockup-subline {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
  margin-top: 2px;
}
.mockup-cards {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
}
.mockup-card {
  background: var(--navy);
  border-radius: 8px;
  overflow: hidden;
}
.mockup-card-body { padding: 8px; }
.mockup-level-badge {
  font-size: 9px;
  background: rgba(90,179,233,0.2);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--blue-light);
  display: inline-block;
}
.mockup-card-title {
  color: white;
  font-size: 10px;
  line-height: 1.4;
  margin-top: 4px;
}

/* Hero phone mockup */
.hero-phone-frame {
  width: 290px;
  max-width: 100%;
}



/* Audience cards */
.audience-card {
  display: block;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.audience-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.icon-square {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icon-square-sm {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

/* Content type cards */
.content-type-card {
  background: white;
  border: 0.5px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.content-type-card h3 { font-size: 17px; margin-bottom: 8px; margin-top: 0; }
.content-type-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }

/* CEFR strip */
.cefr-strip {
  background: var(--navy);
  padding: 32px 0;
}
.cefr-strip .container {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cefr-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.4); }
.cefr-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.cefr-pill {
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  border: 0.5px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.55);
}
.cefr-pill.active {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}
.cefr-note { margin-left: auto; font-size: 12px; color: rgba(255,255,255,0.35); }

/* How it works */
.step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--blue-pale);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}

/* Testimonials */
.testimonial-quote {
  font-size: 14px;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 12px;
}
.testimonial-name { font-size: 13px; font-weight: 500; color: var(--navy); }
.testimonial-role { font-size: 12px; color: var(--text-tertiary); }

/* CTA section */
.section-cta { padding: 88px 24px; text-align: center; background: #fff; }
.section-cta h2 { font-size: 36px; color: var(--navy); margin-bottom: 16px; }
.section-cta p { color: var(--text-secondary); font-size: 16px; max-width: 480px; margin: 0 auto 32px; }
.section-cta .btns { display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap; }

/* Feature check list */
.feature-list { display: flex; flex-direction: column; gap: 10px; }
.feature-item { display: flex; gap: 10px; font-size: 14px; color: var(--text-secondary); align-items: flex-start; }
.check { color: var(--blue); font-weight: 600; flex-shrink: 0; }

/* Form inputs */
input, select, textarea {
  width: 100%;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--text-primary);
  background: white;
  margin-bottom: 16px;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,140,216,0.1);
}
label {
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  display: block;
  margin-bottom: 6px;
}

/* Content library scroll strip */
.lesson-strip { overflow-x: auto; display: flex; gap: 12px; padding-bottom: 8px; }
.lesson-card {
  width: 200px;
  flex-shrink: 0;
  background: white;
  border: 0.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}
.lesson-card-body { padding: 12px; }
.lesson-badge {
  position: absolute;
  top: 8px;
  left: 8px;
}
.lesson-title { font-size: 13px; font-weight: 500; color: var(--navy); margin-bottom: 4px; line-height: 1.4; }
.lesson-topic { font-size: 11px; color: var(--text-tertiary); }

/* Dark exam cards */
.exam-card {
  background: rgba(255,255,255,0.06);
  border: 0.5px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 24px;
}
.exam-card h3 { color: white; font-size: 17px; margin: 12px 0 8px; }
.exam-card p { color: rgba(255,255,255,0.55); font-size: 14px; }

/* Admin feature items */
.admin-feature { display: flex; flex-direction: column; }
.admin-feature h3 { font-size: 15px; margin-bottom: 6px; }
.admin-feature p { font-size: 14px; color: var(--text-secondary); }

/* Performance bars */
.perf-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.perf-label { font-size: 12px; color: var(--text-secondary); width: 120px; flex-shrink: 0; }
.perf-track { flex: 1; height: 8px; background: var(--surface-2); border-radius: 4px; position: relative; overflow: hidden; }
.perf-fill { position: absolute; left: 0; top: 0; height: 100%; background: var(--blue); border-radius: 4px; }
.perf-pct { font-size: 12px; color: var(--navy); font-weight: 500; width: 36px; text-align: right; flex-shrink: 0; }

/* Admin dashboard mockup */
.admin-mockup {
  background: #1E293B;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.admin-table { width: 100%; }
.admin-table th {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
  padding: 8px 12px;
  text-align: left;
  font-weight: 500;
}
.admin-table td {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  padding: 8px 12px;
}
.admin-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* Pricing toggle */
.pricing-toggle {
  display: inline-flex;
  background: white;
  border: 0.5px solid var(--border);
  border-radius: 24px;
  padding: 4px;
  margin-top: 24px;
}
.pricing-toggle button {
  background: none;
  border: none;
  border-radius: 20px;
  padding: 6px 18px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}
.pricing-toggle button.active {
  background: var(--navy);
  color: white;
}

/* Pricing card groups */
.pricing-group { display: none; }
.pricing-group.active { display: block; }

/* FAQ Accordion */
.faq-item {
  border-bottom: 0.5px solid var(--border);
  padding: 20px 0;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 16px;
}
.faq-q span:first-child { font-size: 15px; font-weight: 500; color: var(--navy); flex: 1; }
.faq-icon { font-size: 20px; color: var(--text-tertiary); flex-shrink: 0; line-height: 1; transition: transform 0.2s; }
.faq-a {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding-top 0.2s;
}
.faq-item.open .faq-a { max-height: 300px; padding-top: 12px; }

/* Content page alternating sections */
.content-section { padding: 72px 0; }
.content-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.content-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }

/* Phone mockup */
.phone-mockup {
  max-width: 260px;
  margin: auto;
  background: var(--navy);
  border-radius: 32px;
  padding: 16px 12px;
  border: 6px solid #1c3149;
}
.phone-logo { font-size: 12px; color: var(--blue); margin-bottom: 8px; font-family: 'DM Serif Display', serif; }
.phone-badge-row { display: flex; gap: 6px; align-items: center; margin-bottom: 10px; }

/* Demo page */
.demo-bullet { display: flex; gap: 12px; margin-bottom: 16px; }
.demo-dot { width: 12px; height: 12px; background: var(--blue); border-radius: 50%; flex-shrink: 0; margin-top: 4px; }
.demo-quote {
  border-left: 3px solid var(--blue);
  padding-left: 16px;
  margin-top: 48px;
}
.demo-quote p { font-size: 15px; font-style: italic; color: var(--text-secondary); line-height: 1.75; }
.demo-quote-author { display: flex; align-items: center; gap: 12px; margin-top: 12px; }

/* Lesson mockup */
.lesson-mockup { background: white; border-radius: 14px; border: 0.5px solid var(--border); overflow: hidden; }
.lesson-mockup-img { position: relative; }
.lesson-img-overlay-badge { position: absolute; top: 10px; left: 10px; }
.lesson-img-overlay-title {
  position: absolute;
  bottom: 10px;
  left: 10px;
  color: white;
  font-size: 14px;
  font-weight: 500;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
  max-width: 80%;
}
.lesson-tabs { display: flex; gap: 16px; border-bottom: 0.5px solid var(--border); padding-bottom: 10px; margin-bottom: 14px; font-size: 12px; color: var(--text-secondary); }
.lesson-tab.active { color: var(--blue); font-weight: 500; border-bottom: 2px solid var(--blue); }
.lesson-q-label { font-size: 11px; text-transform: uppercase; color: var(--text-tertiary); letter-spacing: 0.05em; }
.lesson-q-word { font-size: 17px; font-weight: 500; color: var(--navy); }
.lesson-q-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; margin-top: 4px; }
.answer-option {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  border: 0.5px solid var(--border);
  margin-bottom: 8px;
  cursor: pointer;
}
.answer-option.selected { background: var(--blue-pale); border-color: var(--blue); }
.answer-letter { font-weight: 600; color: var(--text-tertiary); }

/* Audio player */
.audio-player { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.play-btn {
  width: 32px;
  height: 32px;
  background: var(--blue);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.progress-track { flex: 1; height: 4px; background: var(--surface-2); border-radius: 2px; position: relative; }
.progress-fill { position: absolute; left: 0; top: 0; height: 100%; background: var(--blue); border-radius: 2px; }
.time-label { font-size: 12px; color: var(--text-tertiary); flex-shrink: 0; }

/* Listening task rows */
.task-row {
  border-bottom: 0.5px solid var(--border);
  padding: 10px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.task-row.active { color: var(--navy); font-weight: 500; }
.task-row .task-check { color: var(--green-mid); }
.task-row .task-inactive { color: var(--text-tertiary); }

/* Grammar mockup */
.search-bar {
  background: var(--surface-2);
  border-radius: 8px;
  height: 36px;
  padding: 0 12px;
  font-size: 13px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  width: 100%;
  margin-bottom: 14px;
}
.level-filter { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.level-pill {
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  border: 0.5px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
}
.level-pill.active { background: var(--navy); color: white; border-color: var(--navy); }
.grammar-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.grammar-topic { background: var(--surface); border-radius: 8px; padding: 10px 12px; }
.grammar-topic-name { font-size: 13px; font-weight: 500; color: var(--navy); margin-bottom: 2px; }
.grammar-topic-count { font-size: 11px; color: var(--text-tertiary); }

/* Vocab quiz */
.vocab-progress { height: 3px; background: var(--surface-2); border-radius: 2px; margin-bottom: 12px; }
.vocab-progress-fill { height: 100%; background: var(--blue); border-radius: 2px; width: 10%; }
.vocab-q { font-size: 14px; font-weight: 500; color: var(--navy); margin-bottom: 10px; }
.vocab-answer {
  width: 100%;
  border: 0.5px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  padding: 12px;
  margin-bottom: 8px;
  text-align: left;
  cursor: pointer;
  background: white;
  display: block;
  font-family: 'DM Sans', sans-serif;
}
.vocab-answer.correct { background: var(--green-pale); border-color: var(--green-mid); }
.vocab-correct-note { font-size: 12px; color: var(--green-mid); margin-bottom: 8px; }
.vocab-next { float: right; }

/* Exam mockup */
.exam-parts { display: flex; gap: 4px; margin-bottom: 14px; flex-wrap: wrap; }
.exam-part {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 0.5px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
}
.exam-part.active { background: var(--navy); color: white; border-color: var(--navy); }
.exam-gap-box {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}
.letter-tiles { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.letter-tile {
  width: 28px;
  height: 28px;
  border: 0.5px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.inline-gap {
  background: var(--blue-pale);
  border-radius: 4px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
}
.inline-gap-empty {
  border: 1px dashed var(--border);
  border-radius: 4px;
  padding: 1px 10px;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Step flow (learners page) */
.step-flow { display: flex; gap: 0; align-items: flex-start; }
.step-col { flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 16px; position: relative; }
.step-col:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 18px;
  right: -16px;
  width: 32px;
  height: 1px;
  background: var(--border);
}
.step-circle {
  width: 36px;
  height: 36px;
  background: var(--blue);
  color: white;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.step-col h3 { font-size: 15px; margin-bottom: 8px; }
.step-col p { font-size: 13px; color: var(--text-secondary); }

/* Level cards row */
.level-cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.level-card {
  border: 0.5px solid var(--border);
  border-radius: 12px;
  padding: 20px 12px;
  text-align: center;
  transition: border-color 0.2s;
  cursor: default;
}
.level-card:hover { border-color: var(--blue); }
.level-card .level-code { font-size: 22px; font-weight: 600; color: var(--navy); font-family: 'DM Sans', sans-serif; }
.level-card .level-name { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.level-card .level-desc { font-size: 12px; color: var(--text-tertiary); }

/* Problem section */
.problem-col .old-way { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: #DC2626; margin-bottom: 8px; font-weight: 500; }
.problem-col h3 { color: var(--text-secondary); font-weight: 400; font-size: 15px; line-height: 1.6; }
.problem-col .solution { color: var(--blue); font-size: 14px; font-weight: 500; margin-top: 10px; }

/* Page hero variants (non-home pages) */
.page-hero { background: white; padding: 80px 0; }
.page-hero h1 { font-family: 'DM Serif Display', serif; font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; color: #0f1624; margin-bottom: 20px; }
.page-hero p { color: #4a5568; max-width: 500px; margin-bottom: 28px; font-size: 16px; }

/* Learners two-column hero */
.lh-hero { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.lh-pill { display:inline-block; font-size:11px; font-weight:600; text-transform:uppercase; letter-spacing:0.08em; color:#5AB3E9; background:#eef6ff; border:0.5px solid #c2deff; border-radius:20px; padding:5px 12px; }
.lh-heading { font-family:'DM Serif Display',serif; font-size:34px; color:#101F31; letter-spacing:-0.5px; line-height:1.2; margin:18px 0 0; }
.lh-subhead { font-size:16px; color:#4a5568; line-height:1.65; max-width:420px; margin:14px 0 0; }
.lh-btns { display:flex; gap:12px; align-items:center; margin-top:24px; flex-wrap:wrap; }
.lh-btn-primary { background:#5AB3E9; color:#fff; font-size:14px; font-weight:500; padding:12px 24px; border-radius:24px; border:none; text-decoration:none; white-space:nowrap; transition:background 0.15s; }
.lh-btn-primary:hover { background:#2F8FC9; color:#fff; }
.lh-btn-secondary { font-size:14px; color:#4a5568; text-decoration:none; }
.lh-btn-secondary:hover { color:#101F31; }
.lh-friction { font-size:12px; color:#9aa5bc; margin:10px 0 0; }
.lh-statbar { display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:32px; padding-top:24px; border-top:0.5px solid #e2e8f0; }
.lh-stat-val { font-size:18px; font-weight:700; color:#101F31; }
.lh-stat-label { font-size:10px; color:#9aa5bc; margin-top:3px; }
.lh-right { display:flex; justify-content:center; align-items:center; }
.lh-phone-outer { width:220px; border-radius:32px; border:6px solid #1a1a1a; background:#fff; box-shadow:0 12px 40px rgba(0,0,0,0.2); overflow:hidden; }
@media(max-width:768px) {
  .lh-hero { grid-template-columns:1fr; }
  .lh-right { display:none; }
}

/* Content page hero */
.content-hero { background: var(--surface); padding: 72px 0; }
.content-hero h1 { font-family: 'DM Serif Display', serif; font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; color: var(--navy); margin-bottom: 20px; }
.content-hero p { color: var(--text-secondary); max-width: 560px; margin-bottom: 28px; font-size: 16px; }

/* Pricing header */
.pricing-header { background: var(--surface); padding: 72px 0; text-align: center; }
.pricing-header h1 { font-family: 'DM Serif Display', serif; font-size: 40px; color: var(--navy); margin-bottom: 16px; }
.pricing-header p { color: var(--text-secondary); max-width: 480px; margin: 0 auto; }

/* Volume tiers */
.volume-tiers { font-size: 13px; line-height: 2; color: var(--text-secondary); }

/* Demo page */
.demo-page { background: var(--surface); padding: 72px 0; }

/* ── GETTING STARTED section ────────────────────────────────────────────── */
.gs-section { background: #f8fafc; padding: 80px 0; }
.gs-header { text-align: center; margin-bottom: 56px; }
.gs-heading { font-family: 'DM Serif Display', serif; font-size: 34px; color: #101F31; letter-spacing: -0.4px; line-height: 1.2; margin-top: 10px; }
.gs-subhead { font-size: 16px; color: #4a5568; line-height: 1.65; margin-top: 12px; max-width: 480px; margin-left: auto; margin-right: auto; }

.gs-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 0;
}
.gs-arrow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 28px;
  color: #c5d3f5;
  font-size: 20px;
  padding-left: 8px;
  padding-right: 8px;
}
.gs-card {
  background: #fff;
  border-radius: 12px;
  border: 0.5px solid #e2e8f0;
  padding: 28px 24px;
}
.gs-ghost-num {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 48px;
  color: #eef3ff;
  line-height: 1;
  margin-bottom: 12px;
}
.gs-step-title { font-family: 'DM Serif Display', serif; font-size: 22px; color: #101F31; line-height: 1.25; margin-bottom: 10px; }
.gs-step-body { font-size: 16px; color: #4a5568; line-height: 1.65; margin-bottom: 16px; }
.gs-tag {
  display: inline-block;
  background: #eef6ff;
  border: 0.5px solid #c2deff;
  color: #5AB3E9;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.gs-cta { text-align: center; margin-top: 48px; }
.gs-cta-btn {
  display: inline-block;
  background: #5AB3E9;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: 28px;
  text-decoration: none;
  transition: background 0.2s;
}
.gs-cta-btn:hover { background: var(--blue-deep); }
.gs-cta-note { font-size: 13px; color: #9aa5bc; margin-top: 12px; }

@media (max-width: 768px) {
  .gs-steps { grid-template-columns: 1fr; }
  .gs-arrow { display: none; }
}

/* ── FOR TEACHERS & ADMINS section ─────────────────────────────────────── */
.ta-section { background: #fff; padding: 80px 0; }
.ta-header { max-width: 680px; margin-bottom: 64px; }
.ta-heading { font-family: 'DM Serif Display', serif; font-size: 34px; color: #101F31; letter-spacing: -0.4px; line-height: 1.2; margin-top: 10px; }
.ta-subhead { font-size: 16px; color: var(--text-secondary); line-height: 1.65; margin-top: 12px; }

.ta-divider { border: none; border-top: 0.5px solid #e2e8f0; margin: 64px 0; }

.ta-row { display: flex; flex-direction: column; gap: 28px; }

.ta-row-num {
  display: block;
  color: #5AB3E9;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ta-row-heading { font-family: 'DM Serif Display', serif; font-size: 26px; color: #101F31; line-height: 1.25; margin-bottom: 10px; }
.ta-row-para { font-size: 16px; color: #4a5568; line-height: 1.65; margin-bottom: 16px; }

.ta-bullets { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; }
.ta-bullet { display: flex; align-items: flex-start; gap: 8px; }
.ta-bullet .ti-check { color: #5AB3E9; font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.ta-bullet span { font-size: 16px; color: #4a5568; line-height: 1.45; }

.ta-visual {
  width: 100%;
  height: 320px;
  background: #f0f4f8;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ta-visual-label { font-size: 12px; color: #94a3b8; font-weight: 500; }
.ta-visual--iframe { background: none; border: none; border-radius: 0; padding: 0; height: auto; }
.ta-mockup-frame { display: block; width: 100%; height: 500px; border: none; border-radius: 12px; overflow: hidden; }
.ta-visual--img { background: none; border: none; height: auto; }
.ta-mockup-img { display: block; width: 100%; border-radius: 14px; box-shadow: 0 8px 32px rgba(16,31,49,0.12), 0 2px 8px rgba(16,31,49,0.06); }

@media (max-width: 768px) {
  .ta-bullets { grid-template-columns: 1fr; }
  .ta-visual { height: 200px; }
  .ta-divider { margin: 40px 0; }
}

/* ── WHAT STUDENTS GET section ─────────────────────────────────────────── */
.wsg-section { background: var(--surface-2); padding: 80px 0; }
.wsg-header { max-width: 640px; margin-bottom: 64px; }
.wsg-heading { font-size: 34px; font-weight: 700; color: #101F31; margin-top: 10px; line-height: 1.2; }
.wsg-subhead { color: var(--text-secondary); font-size: 16px; line-height: 1.7; margin-top: 12px; }

.wsg-divider { border: none; border-top: 0.5px solid #e2e8f0; margin: 80px 0 0; }
.wsg-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 80px;
}

.wsg-row-num {
  display: block;
  color: #5AB3E9;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.wsg-row-heading { font-size: 26px; font-weight: 700; color: #101F31; line-height: 1.25; margin-bottom: 12px; font-family: 'DM Serif Display', serif; }
.wsg-row-para { font-size: 16px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }

.wsg-bullets { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.wsg-bullet { display: flex; align-items: flex-start; gap: 8px; }
.wsg-bullet .ti-check { color: #5AB3E9; font-size: 15px; flex-shrink: 0; margin-top: 1px; }
.wsg-bullet span { font-size: 13px; color: #4a5568; line-height: 1.45; }

.wsg-visual { display: flex; justify-content: center; align-items: center; }
.wsg-visual-desktop {
  width: 100%;
  height: 280px;
  background: #f0f4f8;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wsg-visual-phone {
  width: 200px;
  height: 380px;
  background: #f0f4f8;
  border: 1px solid #e2e8f0;
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wsg-visual-label { font-size: 12px; color: #94a3b8; font-weight: 500; }

@media (max-width: 768px) {
  .wsg-row { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  .wsg-divider { margin: 48px 0 0; }
  .wsg-row--reversed .wsg-visual { order: 1; }
  .wsg-visual-desktop { height: 200px; }
  .wsg-visual-phone { width: 160px; height: 300px; }
}

/* Responsive two-column utility */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

/* School pricing card interior */
.pricing-card-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

@media (max-width: 768px) {
  .section { padding: 48px 0; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .hide-mobile { display: none; }
  .hero .container { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .content-section .container { grid-template-columns: 1fr; gap: 32px; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .level-cards { grid-template-columns: repeat(2, 1fr); }
  .step-flow { flex-direction: column; align-items: stretch; }
  .step-col::after { display: none; }
  .step-col { text-align: left; flex-direction: row; gap: 16px; align-items: flex-start; padding: 0 0 16px 0; }
  .step-col .step-circle { margin-bottom: 0; flex-shrink: 0; }
  .pricing-card-2col { grid-template-columns: 1fr; }
  .grammar-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-right { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .cefr-note { display: none; }
  .mockup-cards { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 30px; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px; flex-wrap: unset; }
  .lh-statbar { grid-template-columns: 1fr 1fr; gap: 16px; }
  .hero { padding: 36px 0 48px; }
  .page-hero { padding: 36px 0 48px; }
  .lh-hero-section { padding: 36px 0 48px !important; }
  .hero .container > div:first-child { text-align: center; }
  .hero-eyebrow { display: inline-block; }
  .hero-btns { justify-content: center; flex-direction: column; align-items: center; }
  .hero-btns .btn-primary { width: auto; text-align: center; }
  .hero-btns a:not(.btn-primary) { text-align: center; }
  .hero-stats { justify-items: center; }
  .hero-para { margin-left: auto; margin-right: auto; }
  .content-type-grid { grid-template-columns: 1fr !important; }
  .section-cta .btns { flex-direction: column; align-items: center; }
  .section-cta .btns .btn-primary { width: auto; }
}