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

:root {
  --green: #00c853;
  --green-glow: #00e676;
  --cyan: #00bcd4;
  --blue: #2196f3;
  --purple: #9c27b0;
  --orange: #ff6b35;
  --bg: #0d0d0d;
  --surface: #161616;
  --surface2: #1e1e1e;
  --border: rgba(255,255,255,0.08);
  --text: #ffffff;
  --muted: rgba(255,255,255,0.5);
  --nav-bg: rgba(13,13,13,0.8);
  --radius: 16px;
  --hero-grad: linear-gradient(135deg, #003d1a 0%, #001a0d 40%, #0d0d0d 70%);
  --hero-glow: rgba(0,230,118,0.18);
  --sparkle-color: #ffffff;
  --download-grad: linear-gradient(135deg, #001a0d 0%, #0a0020 50%, #00101a 100%);
  --download-glow: rgba(0,230,118,0.12);
  --phone-bg: #111;
  --phone-border: rgba(255,255,255,0.1);
  --mock-screen-bg: #0d0d0d;
  --mock-border: rgba(255,255,255,0.06);
  --mock-title-color: #fff;
  --choice-bg: rgba(255,255,255,0.04);
  --curr-terms-bg: rgba(255,255,255,0.02);
  --scrollbar-track: #1e1e1e;
  --scrollbar-thumb: #333;
}

html.light {
  --green: #00a843;
  --green-glow: #00c853;
  --bg: #f4f4f4;
  --surface: #ffffff;
  --surface2: #f0f0f0;
  --border: rgba(0,0,0,0.1);
  --text: #0d0d0d;
  --muted: rgba(0,0,0,0.5);
  --nav-bg: rgba(255,255,255,0.85);
  --hero-grad: linear-gradient(135deg, #d4f5e5 0%, #e8fdf2 40%, #f4f4f4 70%);
  --hero-glow: rgba(0,168,67,0.12);
  --sparkle-color: #00a843;
  --download-grad: linear-gradient(135deg, #e0f7ec 0%, #ede8ff 50%, #e0f4ff 100%);
  --download-glow: rgba(0,168,67,0.1);
  --phone-bg: #1a1a1a;
  --phone-border: rgba(0,0,0,0.15);
  --mock-screen-bg: #111;
  --mock-border: rgba(255,255,255,0.06);
  --mock-title-color: #fff;
  --choice-bg: rgba(0,0,0,0.04);
  --curr-terms-bg: rgba(0,0,0,0.02);
  --scrollbar-track: #e0e0e0;
  --scrollbar-thumb: #bbb;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 24px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.12em;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-cta {
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 100px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--surface);
  border-color: rgba(0,168,67,0.4);
  transform: rotate(20deg);
}
.theme-icon { line-height: 1; }
.theme-icon--light { display: none; }
html.light .theme-icon--dark { display: none; }
html.light .theme-icon--light { display: block; }

/* SPARKLES */
.sparkles { position: absolute; inset: 0; pointer-events: none; }
.sparkle {
  position: absolute;
  font-size: 24px;
  color: var(--sparkle-color);
  opacity: 0.7;
  animation: twinkle 3s ease-in-out infinite;
}
.s1 { top: 12%; left: 8%; animation-delay: 0s; font-size: 28px; }
.s2 { top: 20%; right: 12%; animation-delay: 0.8s; font-size: 16px; }
.s3 { bottom: 30%; left: 15%; animation-delay: 1.4s; font-size: 14px; }
.s4 { top: 45%; right: 6%; animation-delay: 2s; font-size: 22px; }
@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.2); }
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--hero-grad);
  transition: background 0.4s;
}
.hero-bg::after {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--hero-glow) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}
.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,168,67,0.12);
  border: 1px solid rgba(0,168,67,0.3);
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-heading {
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-heading .accent {
  background: linear-gradient(90deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 460px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  padding: 16px 36px;
  border-radius: 100px;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 40px rgba(0,168,67,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(0,168,67,0.4);
}
.btn-ghost {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  padding: 16px 20px;
  border-radius: 100px;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 32px;
  font-weight: 900;
  color: var(--green);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* PHONE MOCKUP */
.hero-mockup {
  position: relative;
  z-index: 2;
  opacity: 0.92;
  flex-shrink: 0;
  margin-left: auto;
}
.phone-frame {
  width: 280px;
  background: var(--phone-bg);
  border-radius: 36px;
  border: 1.5px solid var(--phone-border);
  padding: 24px 18px;
  box-shadow: 0 40px 120px rgba(0,0,0,0.4), 0 0 80px rgba(0,168,67,0.08);
}
.phone-screen { background: var(--mock-screen-bg); border-radius: 24px; overflow: hidden; }
.mock-header {
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--mock-border);
}
.mock-title {
  display: block;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--mock-title-color);
}
.mock-sub {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.mock-modules { padding: 8px 0 12px; }
.mock-module {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mock-icon {
  width: 32px; height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}
.mock-name {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}
.mock-desc { font-size: 9px; color: var(--muted); }

/* SECTIONS COMMON */
section { padding: 100px 0; }
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.section-heading {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 60px;
}

/* MODULES */
.modules { background: var(--surface); }
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.module-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s;
  cursor: default;
}
.module-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: attr(data-color);
  opacity: 0;
  transition: opacity 0.25s;
}
.module-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
}
.module-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 16px;
}
.module-icon {
  width: 44px; height: 44px;
  border: 2px solid;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.module-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.module-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 20px;
}
.module-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
}

/* HOW IT WORKS */
.how-it-works { background: var(--bg); }
.steps {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}
.step {
  flex: 1;
  min-width: 220px;
  display: flex;
  gap: 20px;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #000;
  font-weight: 900;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-content h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  margin-top: 10px;
}
.step-content p { font-size: 15px; color: var(--muted); line-height: 1.65; }
.step-arrow {
  font-size: 28px;
  color: var(--muted);
  padding-top: 10px;
  flex-shrink: 0;
}

/* SCENARIO SECTION */
.scenario-section { background: var(--surface); }
.scenario-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.scenario-features {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.scenario-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--muted);
}
.feature-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.scenario-card-wrap { display: flex; justify-content: center; }
.scenario-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.scenario-meta {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 12px;
  text-align: center;
}
.progress-dots {
  display: flex;
  gap: 5px;
  margin-bottom: 24px;
  justify-content: center;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
}
.dot.active { background: var(--orange); }
.scenario-q {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--text);
}
.choices { display: flex; flex-direction: column; gap: 10px; }
.choice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--choice-bg);
  border: 1px solid var(--border);
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  transition: background 0.2s;
}
.choice.correct {
  background: rgba(0,168,67,0.1);
  border-color: rgba(0,168,67,0.35);
  color: var(--text);
}
.choice-letter {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--muted);
}
.choice.correct .choice-letter {
  background: var(--green);
  color: #000;
}

/* PROGRESS SECTION */
.progress-section { background: var(--bg); }
.progress-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.accent-blue {
  background: linear-gradient(90deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.level-ring {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 4px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 40px;
  background: radial-gradient(circle, rgba(0,188,212,0.1) 0%, transparent 70%);
  box-shadow: 0 0 40px rgba(0,188,212,0.2);
}
.level-inner { text-align: center; }
.level-num {
  display: block;
  font-size: 44px;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
}
.level-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.skill-bars { display: flex; flex-direction: column; gap: 14px; }
.skill-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.skill-name {
  font-size: 12px;
  color: var(--muted);
  width: 130px;
  flex-shrink: 0;
}
.bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.07);
  border-radius: 3px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 3px;
  animation: barGrow 1.5s ease-out forwards;
  transform-origin: left;
}
@keyframes barGrow {
  from { width: 0 !important; }
}
.skill-val {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  width: 36px;
  text-align: right;
}
.progress-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}
.progress-features li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pf-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.progress-features strong { display: block; font-size: 15px; margin-bottom: 3px; }
.progress-features span { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* CURRICULUM */
.curriculum-section { background: var(--surface); }
.curriculum-example {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
}
.curriculum-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}
.curr-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}
.curr-title {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}
.curr-sub { font-size: 12px; color: var(--muted); }
.curriculum-sections { padding: 24px 28px; }
.curr-section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.curr-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.curr-section-header strong { font-size: 15px; font-weight: 800; flex: 1; }
.curr-count { font-size: 12px; color: var(--muted); font-weight: 700; }
.curr-subsection { margin-bottom: 20px; padding-left: 20px; }
.curr-sub-label {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.curr-terms {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.curr-terms li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--curr-terms-bg);
  border: 1px solid transparent;
}
.curr-terms li::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.curr-terms li.mastered {
  color: #fff;
  background: rgba(76,175,80,0.1);
  border-color: rgba(76,175,80,0.25);
}
.curr-terms li.mastered::before {
  background: #4caf50;
  box-shadow: 0 0 6px rgba(76,175,80,0.5);
}

/* DOWNLOAD */
.download-section {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
  text-align: center;
}
.download-bg {
  position: absolute;
  inset: 0;
  background: var(--download-grad);
  transition: background 0.4s;
}
.download-bg::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--download-glow) 0%, rgba(0,188,212,0.06) 40%, transparent 70%);
  border-radius: 50%;
}
.download-content { position: relative; z-index: 2; }
.download-heading {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(90deg, var(--text) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.download-content > p {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 48px;
}
.store-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.store-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 28px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  text-decoration: none;
  color: #fff;
  transition: background 0.2s, transform 0.2s;
}
.store-btn:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.store-label { font-size: 11px; color: var(--muted); line-height: 1; margin-bottom: 3px; }
.store-name { font-size: 18px; font-weight: 800; }
.store-btn--soon {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

/* FOOTER */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.12em;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-tagline { font-size: 13px; color: var(--muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }

/* LIGHT MODE OVERRIDES for hardcoded dark values */
html.light .module-card {
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
html.light .module-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
html.light .scenario-card {
  box-shadow: 0 8px 40px rgba(0,0,0,0.1);
}
html.light .choice {
  color: rgba(0,0,0,0.7);
}
html.light .choice.correct {
  color: #0d0d0d;
}
html.light .choice-letter {
  background: rgba(0,0,0,0.07);
  color: rgba(0,0,0,0.5);
}
html.light .step-num {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #fff;
}
html.light .store-btn {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.15);
  color: #0d0d0d;
}
html.light .store-btn:hover {
  background: rgba(0,0,0,0.1);
}
html.light .download-heading {
  background: linear-gradient(90deg, #0d0d0d 0%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
html.light .download-content > p {
  color: rgba(0,0,0,0.55);
}
html.light .curr-terms li.mastered {
  color: #0a3d1a;
  background: rgba(0,168,67,0.1);
  border-color: rgba(0,168,67,0.25);
}
html.light .level-ring {
  border-color: var(--cyan);
  background: radial-gradient(circle, rgba(0,188,212,0.08) 0%, transparent 70%);
}
html.light body { transition: background 0.3s, color 0.3s; }
html.light .footer { border-top-color: rgba(0,0,0,0.1); }
html.light .mock-sub { color: rgba(255,255,255,0.5); }
html.light .mock-name { color: #fff; }
html.light .mock-desc { color: rgba(255,255,255,0.5); }
html.light .scenario-meta { color: rgba(0,0,0,0.45); }
html.light .scenario-features li { color: rgba(0,0,0,0.65); }
html.light .scenario-card { box-shadow: 0 8px 40px rgba(0,0,0,0.08); }
html.light .dot { background: rgba(0,0,0,0.12); }
html.light .hero-heading { color: #0d0d0d; }
html.light .hero-heading .accent {
  background: linear-gradient(90deg, #00a843, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
html.light .btn-ghost {
  color: rgba(0,0,0,0.6);
  border-color: rgba(0,0,0,0.15);
}
html.light .btn-ghost:hover { color: #0d0d0d; border-color: rgba(0,0,0,0.3); }
html.light .section-heading { color: #0d0d0d; }
html.light .accent-blue {
  background: linear-gradient(90deg, #1565c0, #7b1fa2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
html.light .stat-label { color: rgba(0,0,0,0.5); }
html.light .pf-icon { background: rgba(0,0,0,0.05); border-color: rgba(0,0,0,0.1); }
html.light .progress-features span { color: rgba(0,0,0,0.5); }
html.light .curr-sub { color: rgba(0,0,0,0.45); }
html.light .curr-count { color: rgba(0,0,0,0.45); }
html.light .curr-sub-label { color: rgba(0,0,0,0.4); }
html.light .curr-terms li { color: rgba(0,0,0,0.5); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-mockup { display: none; }
  .scenario-layout,
  .progress-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .steps { flex-direction: column; }
  .step-arrow { display: none; }
}
@media (max-width: 600px) {
  .hero { padding: 100px 20px 60px; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 24px; }
  section { padding: 70px 0; }
  .modules-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}