/* ===================================================
   IELTSMaster – Styles
   Aesthetic: Editorial luxury meets academic authority
   Palette: Deep navy, champagne gold, crisp white
   =================================================== */

/* ---- CSS Variables ---- */
:root {
  --navy:       #0b1f3a;
  --navy-mid:   #152d52;
  --navy-light: #1e3f6e;
  --gold:       #c9a84c;
  --gold-light: #e8c97a;
  --gold-pale:  #f9f3e3;
  --white:      #ffffff;
  --off-white:  #f7f8fc;
  --gray-100:   #edf0f7;
  --gray-300:   #c4cad8;
  --gray-500:   #7a8499;
  --gray-700:   #3d4559;
  --text-dark:  #0d1a2e;
  --text-body:  #2c3a50;
  --success:    #22c55e;
  --error:      #ef4444;
  --warning:    #f59e0b;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm:  0 1px 4px rgba(11,31,58,.08);
  --shadow-md:  0 4px 20px rgba(11,31,58,.12);
  --shadow-lg:  0 12px 48px rgba(11,31,58,.18);
  --shadow-gold: 0 8px 30px rgba(201,168,76,.25);

  --transition: .25s cubic-bezier(.4,0,.2,1);
  --nav-h: 72px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }
input, select { font-family: var(--font-body); }
h1,h2,h3 { font-family: var(--font-display); line-height: 1.2; color: var(--text-dark); }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.25rem); }
.hidden { display: none !important; }

/* ---- Utility ---- */
.section-wrapper { max-width: 1160px; margin: 0 auto; padding: 80px 24px; }
.alt-bg { background: var(--off-white); }
.alt-bg .section-wrapper { padding: 80px 24px; }
.section-tag {
  font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 8px;
}
.section-header { text-align: center; margin-bottom: 52px; }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); color: var(--navy); }

/* ---- Buttons ---- */
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
  font-weight: 700;
  font-size: .9rem;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-gold);
  letter-spacing: .02em;
}
.btn-primary:hover, .btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201,168,76,.4);
  outline: none;
}
.btn-primary:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }
.btn-ghost {
  color: var(--navy); background: transparent;
  font-weight: 500; padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
.btn-ghost:hover { border-color: var(--gray-300); background: var(--gray-100); }
.btn-outline {
  background: transparent; color: var(--navy);
  border: 2px solid var(--navy); padding: 12px 28px;
  border-radius: var(--radius-md); font-weight: 600;
  transition: background var(--transition), color var(--transition);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.full-width { width: 100%; }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.navbar {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 32px;
  padding: 0 24px; height: var(--nav-h);
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0; color: var(--navy);
}
.logo-icon { font-size: 1.4rem; color: var(--gold); }
.logo-text { font-size: 1.15rem; font-family: var(--font-display); }
.logo-text strong { color: var(--gold); }
.nav-links {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto; flex: 1; justify-content: center;
}
.nav-link {
  font-size: .9rem; font-weight: 500; color: var(--gray-700);
  padding: 6px 14px; border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--navy); background: var(--gray-100); }
.nav-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--radius-sm);
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--navy); transition: transform .3s, opacity .3s;
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* User Menu */
.user-menu {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; padding: 6px 12px;
  border-radius: var(--radius-md);
  position: relative;
  border: 1.5px solid var(--gray-100);
  transition: border-color var(--transition);
  font-size: .9rem; font-weight: 500; color: var(--navy);
}
.user-menu:hover { border-color: var(--gold); }
.user-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy); font-weight: 700; font-size: .8rem;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  padding: 8px; min-width: 160px;
  display: none; z-index: 200;
}
.user-dropdown.open { display: block; }
.user-dropdown a {
  display: block; padding: 10px 14px;
  font-size: .88rem; color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.user-dropdown a:hover { background: var(--gray-100); color: var(--navy); }

/* ---- Pages ---- */
.page { min-height: calc(100vh - var(--nav-h)); }
.page-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  padding: 60px 24px 48px;
  text-align: center;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 40px, rgba(255,255,255,.02) 40px, rgba(255,255,255,.02) 80px);
}
.page-header h1 { color: var(--white); position: relative; }
.page-header p { color: var(--gray-300); margin-top: 8px; font-size: 1.05rem; position: relative; }

/* ---- Hero ---- */
.hero {
  min-height: calc(100vh - var(--nav-h));
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 48px;
  max-width: 1200px; margin: 0 auto;
  padding: 80px 24px;
  position: relative;
}
.hero-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: -1;
  overflow: hidden;
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .35;
}
.orb1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--gold-pale), transparent);
  top: -100px; right: -120px;
}
.orb2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(30,63,110,.15), transparent);
  bottom: 80px; left: -80px;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--gray-100) 1px, transparent 1px),
    linear-gradient(90deg, var(--gray-100) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .4;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--gold-pale); color: var(--navy);
  border: 1px solid var(--gold-light);
  padding: 6px 16px; border-radius: 99px;
  font-size: .8rem; font-weight: 600; margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 900; line-height: 1.1;
  color: var(--navy); margin-bottom: 20px;
}
.hero-title em {
  font-style: italic;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc { font-size: 1.1rem; color: var(--gray-700); max-width: 480px; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.stat-item strong { display: block; font-size: 1.4rem; font-weight: 700; color: var(--navy); }
.stat-item span { font-size: .8rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: .08em; }
.stat-divider { width: 1px; height: 36px; background: var(--gray-300); }

/* Score Card */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.score-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
  width: 100%; max-width: 320px;
}
.score-card-header { font-weight: 600; font-size: .85rem; color: var(--navy); margin-bottom: 20px; }
.score-ring { position: relative; width: 120px; height: 120px; margin: 0 auto 20px; }
.ring-svg { width: 120px; height: 120px; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--gray-100); stroke-width: 8; }
.ring-fill {
  fill: none;
  stroke: url(#goldGrad);
  stroke-width: 8;
  stroke-linecap: round;
  stroke: var(--gold);
  stroke-dasharray: 213 251;
  transition: stroke-dasharray 1s ease;
}
.ring-label {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--navy);
}
.score-breakdown { display: flex; flex-direction: column; gap: 10px; }
.score-row { display: flex; align-items: center; gap: 10px; font-size: .78rem; }
.score-row span:first-child { width: 70px; color: var(--gray-700); }
.score-row span:last-child { width: 28px; text-align: right; font-weight: 600; color: var(--navy); }
.score-bar { flex: 1; height: 6px; background: var(--gray-100); border-radius: 99px; overflow: hidden; }
.score-bar div { height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius: 99px; }
.floating {
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---- Features Grid ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold-light);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: .9rem; color: var(--gray-700); }

/* ---- Exam Cards ---- */
.exam-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.exam-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.exam-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.exam-icon { font-size: 2.4rem; margin-bottom: 16px; }
.exam-card h3 { color: var(--navy); margin-bottom: 8px; }
.exam-card p { font-size: .9rem; color: var(--gray-700); margin-bottom: 16px; }
.exam-tag {
  display: inline-block; background: var(--gold-pale);
  color: var(--gold); border: 1px solid var(--gold-light);
  padding: 2px 10px; border-radius: 99px;
  font-size: .72rem; font-weight: 600; letter-spacing: .05em;
  margin-bottom: 8px;
}
.exam-arrow {
  position: absolute; bottom: 28px; right: 28px;
  font-size: 1.2rem; color: var(--gold);
  transition: transform var(--transition);
}
.exam-card:hover .exam-arrow { transform: translateX(4px); }

/* ---- Testimonials ---- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.testimonial-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.testimonial-stars { color: var(--gold); font-size: 1rem; }
.testimonial-card p { font-size: .9rem; color: var(--gray-700); flex: 1; font-style: italic; }
.testimonial-card footer { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  color: var(--gold); font-weight: 700; font-size: .9rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.testimonial-card footer strong { display: block; font-size: .9rem; color: var(--navy); }
.testimonial-card footer span { font-size: .78rem; color: var(--gray-500); }

/* ---- Modules ---- */
.module-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  padding: 8px 18px; border-radius: 99px;
  border: 1.5px solid var(--gray-300);
  font-size: .85rem; font-weight: 500; color: var(--gray-700);
  background: var(--white); transition: all var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--navy); border-color: var(--navy); color: var(--white);
}
.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.module-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.module-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.module-thumb {
  height: 160px; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; position: relative;
}
.module-thumb-listening { background: linear-gradient(135deg, #0b1f3a, #1e3f6e); }
.module-thumb-reading   { background: linear-gradient(135deg, #1a3a1a, #2d6e2d); }
.module-thumb-writing   { background: linear-gradient(135deg, #3a1a0b, #6e3d1e); }
.module-thumb-speaking  { background: linear-gradient(135deg, #1a0b3a, #3d1e6e); }
.module-level {
  position: absolute; top: 12px; right: 12px;
  background: rgba(255,255,255,.15); color: var(--white);
  padding: 2px 10px; border-radius: 99px; font-size: .72rem; font-weight: 600;
}
.module-body { padding: 20px; }
.module-tag {
  font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  color: var(--gold); margin-bottom: 6px;
}
.module-body h3 { color: var(--navy); margin-bottom: 8px; }
.module-body p { font-size: .85rem; color: var(--gray-700); margin-bottom: 16px; }
.module-meta { display: flex; align-items: center; gap: 12px; font-size: .78rem; color: var(--gray-500); }
.module-meta span { display: flex; align-items: center; gap: 4px; }
.module-actions { display: flex; gap: 8px; margin-top: 16px; }
.module-actions .btn-primary { flex: 1; text-align: center; font-size: .82rem; padding: 10px 16px; }
.module-actions .btn-ghost { font-size: .82rem; padding: 10px 16px; border: 1.5px solid var(--gray-200); }

/* ---- Quiz ---- */
.quiz-categories { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.quiz-cat-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 28px 20px;
  cursor: pointer; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.quiz-cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold-light); }
.quiz-cat-icon { font-size: 2.4rem; margin-bottom: 12px; }
.quiz-cat-card h3 { color: var(--navy); margin-bottom: 6px; }
.quiz-cat-card p { font-size: .82rem; color: var(--gray-700); margin-bottom: 12px; }
.quiz-count { font-size: .75rem; font-weight: 600; color: var(--gold); }
.quiz-header {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--gray-100); margin-bottom: 32px;
  flex-wrap: wrap; gap: 12px;
}
.quiz-meta { flex: 1; display: flex; flex-direction: column; gap: 6px; }
#quizTitle { font-weight: 600; color: var(--navy); font-size: .9rem; }
.quiz-progress-bar {
  height: 6px; background: var(--gray-100); border-radius: 99px; overflow: hidden;
}
.quiz-progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 99px; transition: width .4s ease;
}
#quizCounter { font-size: .8rem; color: var(--gray-500); }
.quiz-timer { font-weight: 600; color: var(--navy); font-size: .9rem; }
.quiz-body { max-width: 680px; margin: 0 auto; }
.question-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 32px;
  box-shadow: var(--shadow-sm);
}
.question-text { font-size: 1.05rem; color: var(--text-dark); margin-bottom: 24px; line-height: 1.6; }
.options-list { display: flex; flex-direction: column; gap: 10px; }
.option-btn {
  background: var(--white); border: 2px solid var(--gray-200);
  border-radius: var(--radius-md); padding: 14px 18px;
  text-align: left; font-size: .92rem; color: var(--text-body);
  cursor: pointer; transition: all var(--transition);
  display: flex; align-items: center; gap: 12px;
}
.option-btn:hover:not(:disabled) { border-color: var(--gold); background: var(--gold-pale); }
.option-btn.correct { border-color: var(--success); background: #f0fdf4; color: #166534; }
.option-btn.wrong { border-color: var(--error); background: #fef2f2; color: #991b1b; }
.option-btn.reveal { border-color: var(--success); background: #f0fdf4; color: #166534; }
.option-letter {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gray-100); color: var(--gray-700);
  font-size: .78rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: all var(--transition);
}
.option-btn.correct .option-letter { background: var(--success); color: var(--white); }
.option-btn.wrong .option-letter { background: var(--error); color: var(--white); }
.feedback-panel {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
  box-shadow: var(--shadow-sm); margin-top: 16px;
}
.feedback-icon { font-size: 3rem; margin-bottom: 12px; }
.feedback-panel h3 { color: var(--navy); margin-bottom: 8px; }
.feedback-panel p { color: var(--gray-700); font-size: .9rem; margin-bottom: 20px; }
.results-card {
  max-width: 560px; margin: 0 auto; padding: 48px 32px;
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl); text-align: center; box-shadow: var(--shadow-lg);
}
.results-icon { font-size: 4rem; margin-bottom: 16px; }
.results-card h2 { color: var(--navy); margin-bottom: 16px; }
.results-score { font-size: 3.5rem; font-family: var(--font-display); font-weight: 700; color: var(--gold); margin-bottom: 8px; }
.results-card p { color: var(--gray-700); margin-bottom: 28px; }
.results-breakdown { background: var(--off-white); border-radius: var(--radius-md); padding: 16px; margin-bottom: 28px; font-size: .9rem; }
.results-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---- Progress ---- */
.progress-overview {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px; margin-bottom: 32px;
}
.overview-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 20px;
  display: flex; align-items: center; gap: 14px;
}
.ov-icon { font-size: 1.8rem; }
.overview-card strong { display: block; font-size: 1.6rem; font-weight: 700; color: var(--navy); }
.overview-card span { font-size: .78rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: .06em; }
.progress-charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-bottom: 32px; }
.chart-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); padding: 24px;
}
.chart-card h3 { color: var(--navy); margin-bottom: 20px; font-size: 1rem; }
.skill-bars { display: flex; flex-direction: column; gap: 14px; }
.skill-bar-item { display: flex; align-items: center; gap: 10px; font-size: .82rem; }
.skill-bar-item > span:first-child { width: 80px; color: var(--gray-700); }
.skill-bar-track { flex: 1; height: 10px; background: var(--gray-100); border-radius: 99px; overflow: hidden; }
.skill-bar-fill { height: 100%; background: linear-gradient(90deg, var(--navy), var(--gold)); border-radius: 99px; transition: width 1.2s cubic-bezier(.4,0,.2,1); }
.skill-score { width: 36px; text-align: right; font-weight: 600; color: var(--navy); }
.activity-chart { display: flex; align-items: flex-end; }
.recent-activity { }
.recent-activity h3 { color: var(--navy); margin-bottom: 16px; }
.activity-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0; border-bottom: 1px solid var(--gray-100);
  font-size: .88rem;
}
.activity-icon { font-size: 1.4rem; }
.activity-info { flex: 1; }
.activity-info strong { display: block; color: var(--text-dark); }
.activity-info span { color: var(--gray-500); font-size: .8rem; }
.activity-score { font-weight: 700; color: var(--gold); font-size: 1rem; }
.lock-screen { text-align: center; padding: 80px 24px; }
.lock-icon { font-size: 4rem; margin-bottom: 16px; }
.lock-screen h2 { color: var(--navy); margin-bottom: 8px; }
.lock-screen p { color: var(--gray-700); margin-bottom: 28px; }

/* ---- Shop ---- */
.shop-banner {
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-xl); padding: 32px 36px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-bottom: 36px; flex-wrap: wrap;
}
.shop-banner h2 { color: var(--white); margin-bottom: 6px; font-size: 1.4rem; }
.shop-banner p { color: var(--gray-300); font-size: .9rem; }
.shop-banner strong { color: var(--gold); }
.countdown { display: flex; gap: 12px; }
.cd-block {
  background: rgba(255,255,255,.1); border-radius: var(--radius-md);
  padding: 10px 14px; text-align: center; min-width: 56px;
}
.cd-block span { display: block; font-size: 1.6rem; font-weight: 700; color: var(--white); font-family: var(--font-display); }
.cd-block small { font-size: .65rem; color: var(--gray-300); text-transform: uppercase; letter-spacing: .06em; }
.shop-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.shop-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 20px; }
.shop-card {
  background: var(--white); border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.shop-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.shop-thumb {
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 3rem; position: relative;
}
.shop-thumb-bundle { background: linear-gradient(135deg, #0b1f3a, var(--gold)); }
.shop-thumb-pdf    { background: linear-gradient(135deg, #1a3a1a, #5a9e5a); }
.shop-thumb-course { background: linear-gradient(135deg, #3a1a0b, #b06030); }
.shop-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--error); color: var(--white);
  font-size: .7rem; font-weight: 700; padding: 2px 8px; border-radius: 99px;
}
.shop-body { padding: 20px; }
.shop-type { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--gold); margin-bottom: 6px; }
.shop-body h3 { color: var(--navy); font-size: 1rem; margin-bottom: 6px; }
.shop-body p { font-size: .82rem; color: var(--gray-700); margin-bottom: 14px; }
.shop-footer { display: flex; align-items: center; justify-content: space-between; }
.shop-price { font-family: var(--font-display); }
.shop-price strong { font-size: 1.4rem; color: var(--navy); }
.shop-price del { font-size: .85rem; color: var(--gray-500); margin-left: 4px; }
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--navy); color: var(--white);
  padding: 12px 20px; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); z-index: 999;
  font-size: .9rem; font-weight: 500;
  animation: slideInToast .3s ease;
}
@keyframes slideInToast { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(11,31,58,.6); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px; opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--white); border-radius: var(--radius-xl);
  padding: 40px 36px; width: 100%; max-width: 440px;
  box-shadow: var(--shadow-lg); position: relative;
  transform: translateY(20px); transition: transform .3s ease;
}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--gray-100); color: var(--gray-700);
  font-size: 1.2rem; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.modal-close:hover { background: var(--gray-300); }
.auth-tabs { display: flex; gap: 4px; margin-bottom: 28px; background: var(--gray-100); padding: 4px; border-radius: var(--radius-md); }
.auth-tab {
  flex: 1; padding: 8px; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 500; color: var(--gray-700);
  transition: all var(--transition);
}
.auth-tab.active { background: var(--white); color: var(--navy); box-shadow: var(--shadow-sm); font-weight: 600; }
.modal-title { font-size: 1.5rem; color: var(--navy); margin-bottom: 4px; }
.modal-sub { font-size: .88rem; color: var(--gray-700); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--gray-200); border-radius: var(--radius-md);
  font-size: .92rem; color: var(--text-dark);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white); outline: none;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.15);
}
.field-error { display: block; color: var(--error); font-size: .78rem; margin-top: 4px; min-height: 18px; }
.auth-hint { font-size: .78rem; color: var(--gray-500); text-align: center; margin-top: 12px; }

/* ---- Footer ---- */
.site-footer { background: var(--navy); color: var(--gray-300); padding-top: 60px; }
.footer-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px 48px;
  display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px;
}
.footer-brand .nav-logo { color: var(--white); margin-bottom: 14px; }
.footer-brand p { font-size: .85rem; color: var(--gray-500); max-width: 260px; }
.footer-links { display: contents; }
.footer-links > div h4 { color: var(--white); font-size: .85rem; font-weight: 600; margin-bottom: 14px; }
.footer-links > div ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links > div ul a { font-size: .82rem; color: var(--gray-500); transition: color var(--transition); }
.footer-links > div ul a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 24px; text-align: center; font-size: .78rem; color: var(--gray-500);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding: 60px 24px; }
  .hero-visual { display: none; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .nav-links {
    display: none; position: fixed; inset: var(--nav-h) 0 0 0;
    background: var(--white); flex-direction: column;
    padding: 24px; gap: 4px; z-index: 99;
    border-top: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { display: flex; }
  .nav-link { font-size: 1.1rem; padding: 12px 16px; }
  .hamburger { display: flex; }
  .nav-actions .btn-ghost { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .shop-banner { flex-direction: column; text-align: center; }
  .quiz-header { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .section-wrapper { padding: 56px 16px; }
  .modal-box { padding: 28px 20px; }
  .score-card { max-width: 280px; }
}

/* ---- Accessibility ---- */
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.skip-link {
  position: absolute; left: -9999px; top: auto;
  background: var(--gold); color: var(--navy); padding: 8px 16px;
  border-radius: var(--radius-sm); font-weight: 700; z-index: 1000;
}
.skip-link:focus { left: 16px; top: 16px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .floating { animation: none; }
}