/* ============================================
   OPTION SELLERS SCHOOL — Design System
   Inspired by onlypeterpru.com
   ============================================ */

/* --- Google Fonts loaded via HTML link tags ---
   Manrope: body, nav, buttons
   Merriweather: section headings
*/

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green: #188C6B;
  --green-hover: #14785B;
  --green-muted: #48896C;
  --green-light: #D4E9E5;
  --green-tint: rgba(24, 140, 107, 0.08);
  --dark: #0E0F12;
  --dark-card: #181A1F;
  --dark-border: #2A2D35;
  --white: #FFFFFF;
  --off-white: #F7F8FA;
  --text-emphasis: #111111;
  --text-primary: #222222;
  --text-heading: #3E3E3E;
  --text-body: #555555;
  --text-muted: #707070;
  --text-light: rgba(255, 255, 255, 0.9);
  --text-light-muted: rgba(255, 255, 255, 0.6);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 100px;
  --max-width: 1200px;
  --section-pad: 100px;
  --section-pad-mobile: 60px;
  --transition: 0.3s ease;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Merriweather', Georgia, serif;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol { list-style: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-emphasis);
  line-height: 1.3;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
}

h4 {
  font-size: 1.15rem;
  font-family: var(--font-body);
  font-weight: 700;
}

p {
  color: var(--text-body);
  margin-bottom: 1rem;
  line-height: 1.8;
}

p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-body);
  max-width: 640px;
  line-height: 1.8;
}

/* ---- Container ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1400px;
}

/* ---- Section ---- */
.section {
  padding: var(--section-pad) 0;
}

.section--dark {
  background: var(--dark);
  color: var(--text-light);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--white);
}

.section--dark p {
  color: var(--text-light-muted);
}

.section--dark .eyebrow {
  color: var(--green);
}

.section--green-tint {
  background: var(--green-tint);
}

.section--off-white {
  background: var(--off-white);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 48px);
  max-width: 1100px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  transition: all var(--transition);
}

.nav.scrolled {
  top: 8px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-emphasis);
  white-space: nowrap;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--green);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 0.75rem;
}

.nav__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.footer__logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-heading);
  transition: color var(--transition);
  white-space: nowrap;
}

.nav__link:hover { color: var(--green); }

.nav__cta {
  background: var(--green);
  color: white;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav__cta:hover {
  background: var(--green-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(24, 140, 107, 0.3);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-emphasis);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.nav__mobile-menu.active {
  display: flex;
}

.nav__mobile-menu a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-emphasis);
}

.nav__mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-emphasis);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-align: center;
}

.btn--primary {
  background: var(--green);
  color: white;
}

.btn--primary:hover {
  background: var(--green-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(24, 140, 107, 0.35);
}

.btn--secondary {
  background: transparent;
  color: var(--green);
  border: 2px solid var(--green);
}

.btn--secondary:hover {
  background: var(--green);
  color: white;
  transform: translateY(-2px);
}

.btn--white {
  background: white;
  color: var(--text-emphasis);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--dark {
  background: var(--dark);
  color: white;
}

.btn--dark:hover {
  background: #1a1c22;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn--lg {
  padding: 20px 48px;
  font-size: 1.05rem;
}

.btn--sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.btn--full {
  width: 100%;
}

.btn-arrow {
  transition: transform var(--transition);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ---- Cards ---- */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card--dark {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.card--dark:hover {
  border-color: var(--green);
}

.card--dark h3, .card--dark h4 { color: var(--white); }
.card--dark p { color: var(--text-light-muted); }

.card--green {
  background: var(--green);
  color: white;
  border: none;
}

.card--green h3, .card--green h4, .card--green p {
  color: white;
}

.card--bordered {
  box-shadow: none;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.card--bordered:hover {
  border-color: var(--green);
}

/* ---- Grid Layouts ---- */
.grid {
  display: grid;
  gap: 24px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.grid--offset {
  grid-template-columns: 5fr 7fr;
  gap: 60px;
  align-items: center;
}

.grid--offset-reverse {
  grid-template-columns: 7fr 5fr;
  gap: 60px;
  align-items: center;
}

/* ---- Hero ---- */
.hero {
  padding: 160px 0 var(--section-pad);
  position: relative;
  overflow: hidden;
}

.hero--dark {
  background: var(--dark);
  color: var(--text-light);
}

.hero--dark h1 { color: white; }
.hero--dark p { color: var(--text-light-muted); }

.hero__content {
  max-width: 680px;
}

.hero__content h1 {
  margin-bottom: 20px;
}

.hero__content p {
  font-size: 1.15rem;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero--centered {
  text-align: center;
}

.hero--centered .hero__content {
  margin: 0 auto;
  max-width: 780px;
}

/* ---- Trust Bar / Logo Strip ---- */
.trust-bar {
  padding: 40px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.5;
}

.trust-bar__item {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-heading);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.section--dark .trust-bar {
  border-color: var(--dark-border);
}

.section--dark .trust-bar__item {
  color: var(--text-light-muted);
}

/* ---- Feature Rows ---- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 40px 0;
}

.feature-row--reverse {
  direction: rtl;
}

.feature-row--reverse > * {
  direction: ltr;
}

.feature-row__content h2 {
  margin-bottom: 16px;
}

.feature-row__content p {
  margin-bottom: 24px;
}

.feature-row__visual {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.section--dark .feature-row__visual {
  background: var(--dark-card);
}

/* ---- Check List ---- */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.check-list__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-primary);
}

.check-list__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.check-list__icon svg {
  width: 14px;
  height: 14px;
  stroke: white;
  stroke-width: 3;
  fill: none;
}

.section--dark .check-list__item {
  color: var(--text-light);
}

/* ---- Testimonials ---- */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.testimonial-card__stars {
  color: #F5A623;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-emphasis);
}

.section--dark .testimonial-card {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.section--dark .testimonial-card__text {
  color: var(--text-light-muted);
}

.section--dark .testimonial-card__author {
  color: var(--white);
}

/* ---- Testimonial Carousel ---- */
.testimonial-carousel {
  overflow: hidden;
  position: relative;
}

.testimonial-carousel__track {
  display: flex;
  gap: 24px;
  animation: scroll-testimonials 40s linear infinite;
}

.testimonial-carousel__track:hover {
  animation-play-state: paused;
}

.testimonial-carousel .testimonial-card {
  min-width: 380px;
  flex-shrink: 0;
}

@keyframes scroll-testimonials {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- FAQ ---- */
.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.section--dark .faq-item {
  border-color: var(--dark-border);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-emphasis);
  text-align: left;
}

.section--dark .faq-item__question {
  color: var(--white);
}

.faq-item__question:hover {
  color: var(--green);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-size: 1.1rem;
  color: var(--text-muted);
}

.section--dark .faq-item__icon {
  background: var(--dark-card);
}

.faq-item.active .faq-item__icon {
  background: var(--green);
  color: white;
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer p {
  padding-bottom: 24px;
  font-size: 1rem;
  line-height: 1.8;
}

/* ---- Pricing Card ---- */
.pricing-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  border: 2px solid rgba(0, 0, 0, 0.06);
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green), var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: white;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.pricing-card__price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-emphasis);
  margin: 16px 0 4px;
}

.pricing-card__period {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.pricing-card__divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
  margin: 24px 0;
}

.pricing-card .check-list {
  text-align: left;
  margin-bottom: 32px;
}

.section--dark .pricing-card {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.section--dark .pricing-card__price {
  color: var(--white);
}

.section--dark .pricing-card:hover {
  border-color: var(--green);
}

/* ---- Product Card (for courses listing) ---- */
.product-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--green);
}

.product-card__image {
  height: 200px;
  background: linear-gradient(135deg, var(--dark) 0%, #1a2332 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-card__image-icon {
  font-size: 3rem;
  color: var(--green);
}

.product-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__title {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-emphasis);
  margin-bottom: 8px;
}

.product-card__desc {
  font-size: 0.9rem;
  color: var(--text-body);
  margin-bottom: 20px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.product-card__price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-emphasis);
}

.product-card__price span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ---- Phases / Steps ---- */
.phase-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.phase-list::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 48px;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), var(--green-muted));
}

.phase-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  position: relative;
}

.phase-item__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--green);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  z-index: 1;
}

.phase-item__content h4 {
  margin-bottom: 6px;
}

.phase-item__content p {
  font-size: 0.95rem;
}

/* ---- Stat Row ---- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 4px;
}

.stat-item__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.section--dark .stat-item__label {
  color: var(--text-light-muted);
}

/* ---- CTA Banner ---- */
.cta-banner {
  background: var(--green);
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
  color: white;
}

.cta-banner h2 {
  color: white;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 32px;
}

/* ---- Footer ---- */
.footer {
  background: var(--dark);
  color: var(--text-light-muted);
  padding: 80px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 16px;
}

.footer__brand p {
  font-size: 0.9rem;
  color: var(--text-light-muted);
  line-height: 1.7;
}

.footer__col h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.footer__col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-light-muted);
  padding: 6px 0;
  transition: color var(--transition);
}

.footer__col a:hover {
  color: var(--green);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  padding: 0;
}

.footer__social a:hover {
  background: var(--green);
  color: white;
}

.footer__bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__disclaimer {
  font-size: 0.78rem;
  color: var(--text-light-muted);
  line-height: 1.7;
  max-width: 800px;
  margin-top: 24px;
  opacity: 0.6;
}

.footer__copyright {
  font-size: 0.85rem;
  color: var(--text-light-muted);
}

/* ---- Curriculum Accordion ---- */
.curriculum {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.curriculum__module {
  background: var(--off-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.section--dark .curriculum__module {
  background: var(--dark-card);
  border-color: var(--dark-border);
}

.curriculum__module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-emphasis);
  text-align: left;
}

.section--dark .curriculum__module-header {
  color: var(--white);
}

.curriculum__module-header:hover {
  color: var(--green);
}

.curriculum__lessons {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.curriculum__module.active .curriculum__lessons {
  max-height: 600px;
}

.curriculum__lesson {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px 12px 48px;
  font-size: 0.9rem;
  color: var(--text-body);
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.section--dark .curriculum__lesson {
  color: var(--text-light-muted);
  border-color: var(--dark-border);
}

.curriculum__lesson-duration {
  color: var(--text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- Badge ---- */
.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge--green {
  background: var(--green-tint);
  color: var(--green);
}

.badge--dark {
  background: var(--dark);
  color: var(--white);
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
  margin: 40px 0;
}

.section--dark .divider {
  background: var(--dark-border);
}

/* ---- Guarantee Badge ---- */
.guarantee {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--green-tint);
  border-radius: var(--radius-md);
  margin-top: 24px;
}

.guarantee__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
}

.guarantee__text {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.guarantee__text strong {
  color: var(--text-emphasis);
}

/* ---- Toggle (pricing monthly/yearly) ---- */
.toggle-group {
  display: inline-flex;
  background: var(--off-white);
  border-radius: var(--radius-pill);
  padding: 4px;
  gap: 4px;
}

.toggle-group__btn {
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.toggle-group__btn.active {
  background: var(--green);
  color: white;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--offset,
  .grid--offset-reverse { grid-template-columns: 1fr; gap: 40px; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row--reverse { direction: ltr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 60px;
  }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .hero {
    padding: 120px 0 60px;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .cta-banner {
    padding: 40px 24px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .stat-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .testimonial-carousel .testimonial-card {
    min-width: 300px;
  }

  .pricing-card {
    padding: 36px 28px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .phase-list::before {
    left: 19px;
  }

  .phase-item__number {
    width: 40px;
    height: 40px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .nav {
    padding: 10px 20px;
    width: calc(100% - 32px);
  }

  .card {
    padding: 28px 20px;
  }

  .testimonial-carousel .testimonial-card {
    min-width: 280px;
  }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-green { color: var(--green); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.gap-40 { gap: 40px; }
.gap-48 { gap: 48px; }