:root {
  --color-primary: #009FDA;
  --color-secondary: #EAF6FC;
  --color-cream: #F5F0E8;
  --color-accent: #FDC82F;
  --color-bg: #FFFFFF;
  --color-text: #1E2B33;
  --color-text-soft: rgba(30, 43, 51, 0.68);
  --color-muted: #5B6B74;
  --color-line: rgba(30, 43, 51, 0.12);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}

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

.btn-primary:hover {
  filter: brightness(0.9);
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-secondary);
}

/* ===== TOP BAR ===== */
.top-bar {
  background: var(--color-bg);
}

.top-bar .wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 32px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.account-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

.account-link:hover {
  text-decoration: underline;
}

.account-link .icon-person {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}

.logo img {
  height: 46px;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav > ul {
  list-style: none;
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.site-nav a:hover {
  color: var(--color-primary);
}

.has-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0 0 2px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.dropdown-toggle::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
}

.dropdown-toggle:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.dropdown-menu {
  list-style: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  margin-top: 12px;
  padding: 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(30, 43, 51, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.dropdown-menu li a:hover {
  background: var(--color-secondary);
  color: var(--color-primary);
}

.nav-cta {
  padding: 11px 24px;
  font-size: 14px;
}

/* ===== HERO ===== */
.hero {
  padding: 40px 0 44px;
  background: var(--color-cream);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-flag {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.12;
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 17.5px;
  color: var(--color-text-soft);
  max-width: 520px;
  margin-bottom: 16px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin: 30px 0 36px;
  flex-wrap: wrap;
}

.hero-media {
  position: relative;
}

.hero-testimonial {
  position: absolute;
  top: 66%;
  left: 33%;
  width: min(320px, 60%);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: 0 12px 28px rgba(30, 43, 51, 0.18);
}

.hero-testimonial p {
  font-size: 15.5px;
  color: var(--color-text);
  margin: 0 0 8px;
}

.hero-testimonial cite {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  font-style: normal;
}

.img-placeholder {
  border-radius: 24px;
  background: var(--color-secondary);
  border: 1.5px dashed #AEDCEF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
}

.img-placeholder .ph-icon {
  font-size: 30px;
  opacity: 0.55;
}

.img-placeholder .ph-text {
  font-size: 13.5px;
  color: var(--color-primary);
  font-weight: 600;
  padding: 0 24px;
  max-width: 280px;
}

.hero-media .img-placeholder {
  aspect-ratio: 4 / 3.4;
}

/* ===== PROOF STRIP ===== */
.proof-strip {
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 32px 0;
}

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

.proof-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 0 24px;
}

.proof-num {
  font-size: 28px;
  font-weight: 800;
  color: #007DB8;
  letter-spacing: -0.01em;
}

.proof-num::after {
  content: '';
  display: block;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-accent);
  margin: 8px auto 0;
}

.proof-label {
  font-size: 15.5px;
  color: var(--color-muted);
  line-height: 1.4;
}

/* ===== BEST SELLERS ===== */
.best-sellers {
  background: var(--color-bg);
  padding: 64px 0;
}

.best-sellers h2 {
  font-size: 32px;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 32px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 4px 4px 10px rgba(30, 43, 51, 0.08);
}

.product-card .img-placeholder.product-card-media {
  aspect-ratio: 4 / 5;
  border-radius: 0;
  border: none;
  border-bottom: 1.5px dashed #AEDCEF;
}

.product-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px 22px;
}

.product-body h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.product-body p {
  font-size: 14px;
  color: var(--color-text-soft);
  line-height: 1.5;
  margin-bottom: 12px;
  flex: 1;
}

.product-price {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.product-body .btn {
  align-self: flex-start;
  padding: 10px 22px;
  font-size: 13.5px;
}

/* ===== CHALLENGE ===== */
.challenge {
  padding: 88px 0;
  background: var(--color-bg);
}

.row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.challenge-content h2 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 18px;
}

.challenge-intro,
.challenge-close {
  font-size: 16.5px;
  color: var(--color-text-soft);
}

.challenge-intro {
  margin-bottom: 8px;
}

.challenge-close {
  margin-top: 22px;
}

.step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  counter-reset: step;
  margin: 20px 0;
}

.step-list li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 4px 4px 10px rgba(30, 43, 51, 0.08);
}

.step-list li::before {
  content: counter(step);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-list li p {
  font-size: 15.5px;
  color: var(--color-text-soft);
  padding-top: 3px;
}

.challenge-media .img-placeholder {
  aspect-ratio: 1 / 1;
}

/* ===== CONFIDENCE ===== */
.confidence {
  padding: 88px 0;
  background: var(--color-secondary);
}

.confidence-content h2 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 18px;
}

.confidence-content p {
  font-size: 16.5px;
  color: var(--color-text-soft);
  margin-bottom: 14px;
}

.confidence-media .img-placeholder {
  aspect-ratio: 1 / 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 20px 0;
}

.feature-box {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 4px 4px 10px rgba(30, 43, 51, 0.08);
}

.feature-box p {
  font-size: 15.5px;
  color: var(--color-text-soft);
  margin: 0;
}

.confidence-content p.confidence-close {
  margin-top: 22px;
  margin-bottom: 24px;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background: var(--color-cream);
  padding: 32px 0 64px;
}

.testimonial-carousel {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.testimonial-carousel::-webkit-scrollbar {
  display: none;
}

.testimonial-track {
  display: flex;
}

.testimonial-page {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.testimonial-card {
  box-sizing: border-box;
  background: var(--color-bg);
  border: 0.5px solid #E3EDF1;
  border-top: 3px solid var(--color-accent);
  border-radius: 16px;
  padding: 40px 48px;
}

.testimonial-card p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 16px;
}

.testimonial-card cite {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  font-style: normal;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.arrow-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 16px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease;
}

.arrow-btn:hover:not(:disabled) {
  background: var(--color-secondary);
}

.arrow-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== OFFER ===== */
.offer {
  background: var(--color-bg);
  padding: 64px 0;
}

.offer h2 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 auto 18px;
  max-width: 700px;
  text-align: center;
}

.offer-intro {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  font-size: 16.5px;
  color: var(--color-text-soft);
  max-width: 760px;
  margin-bottom: 38px;
}

.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.offer-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 4px 4px 10px rgba(30, 43, 51, 0.08);
}

.offer-card .img-placeholder.offer-card-media {
  aspect-ratio: 16 / 10;
  border-radius: 0;
  border: none;
  border-bottom: 1.5px dashed #AEDCEF;
}

.offer-card-body {
  padding: 22px 24px 26px;
}

.offer-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--color-accent);
  color: var(--color-text);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 14px;
}

.offer-card-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.offer-card-body p {
  font-size: 15.5px;
  color: var(--color-text-soft);
  line-height: 1.5;
}

.offer-cta {
  display: flex;
  justify-content: center;
}

/* ===== ABOUT ===== */
.about {
  background: var(--color-secondary);
  padding: 88px 0;
}

.about-media .img-placeholder {
  aspect-ratio: 4 / 5;
}

.about-content h2 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 18px;
}

.about-content p {
  font-size: 16.5px;
  color: var(--color-text-soft);
  margin-bottom: 14px;
}

.about-sign {
  margin-top: 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.about-sign span {
  display: block;
  font-weight: 500;
  color: var(--color-text-soft);
  font-size: 13.5px;
  margin-top: 2px;
}

.about-cta {
  margin-top: 20px;
}

/* ===== QUOTES ===== */
.quotes {
  background: var(--color-bg);
  padding: 88px 0;
}

.quotes-header {
  max-width: 640px;
  margin: 0 auto 36px;
  text-align: center;
}

.quotes-header h2 {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 14px;
}

.quotes-header p {
  font-size: 16.5px;
  color: var(--color-text-soft);
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.quote-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 18px;
  padding: 26px 26px 22px;
  box-shadow: 4px 4px 10px rgba(30, 43, 51, 0.08);
}

.quote-card .mark {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-accent);
  margin-right: 2px;
}

.quote-card p {
  font-size: 15.5px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.quote-card cite {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-primary);
  font-style: normal;
}

.quotes-cta {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: var(--color-primary);
  padding: 88px 0;
  text-align: center;
}

.final-cta h2 {
  color: var(--color-bg);
  font-size: 34px;
  margin-bottom: 16px;
}

.final-cta p {
  color: var(--color-bg);
  font-size: 16.5px;
  max-width: 560px;
  margin: 0 auto 30px;
}

.final-cta .btn-primary {
  background: var(--color-bg);
  color: var(--color-primary);
}

.final-cta .btn-primary:hover {
  filter: none;
  background: var(--color-secondary);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-cream);
  padding: 54px 0 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand .logo img {
  height: 34px;
  margin-bottom: 12px;
}

.footer-brand {
  flex: 0 0 240px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--color-text-soft);
  max-width: 280px;
}

.footer-newsletter {
  flex: 1 1 320px;
  max-width: 380px;
}

.footer-newsletter h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.newsletter-form input {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 10px 14px;
}

.newsletter-form input::placeholder {
  color: var(--color-text-soft);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.newsletter-form .btn {
  align-self: flex-start;
  padding: 11px 28px;
  font-size: 14px;
  margin-top: 4px;
}

.newsletter-disclaimer {
  font-size: 12px;
  color: var(--color-muted);
  line-height: 1.5;
  max-width: 320px;
}

.footer-cols {
  display: flex;
  gap: 64px;
  flex: 0 0 auto;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.footer-col a {
  position: relative;
  display: block;
  font-size: 13.5px;
  color: var(--color-text-soft);
  margin-bottom: 9px;
  padding-left: 0;
  transition: padding-left 0.15s ease, color 0.15s ease;
}

.footer-col a:hover {
  color: var(--color-primary);
  padding-left: 12px;
}

.footer-col a:hover::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #CBEAF7;
  font-size: 12px;
  color: var(--color-text-soft);
}

/* ===== FREE LESSON MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(30, 43, 51, 0.55);
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  background: var(--color-bg);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(30, 43, 51, 0.25);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover {
  background: var(--color-line);
}

.modal h2 {
  font-size: 24px;
  margin-bottom: 12px;
  padding-right: 24px;
}

.modal-lead {
  color: var(--color-text-soft);
  font-size: 15px;
  margin-bottom: 24px;
}

#freeLessonForm {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text);
}

.form-row .req {
  color: var(--color-primary);
}

.form-row .opt {
  font-weight: 500;
  color: var(--color-muted);
}

.form-row input,
.form-row select {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 11px 14px;
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-row.field-invalid input,
.form-row.field-invalid select {
  border-color: #D64545;
}

.field-error {
  font-size: 12.5px;
  color: #D64545;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--color-text-soft);
  line-height: 1.5;
  cursor: pointer;
}

.form-checkbox input {
  margin-top: 3px;
  flex-shrink: 0;
}

.modal-submit {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

.modal-success {
  text-align: center;
}

.modal-success .modal-lead {
  margin-bottom: 24px;
}

.coupon-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--color-secondary);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.coupon-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.coupon-code {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.modal-done {
  width: 100%;
  justify-content: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 860px) {
  .row-grid {
    grid-template-columns: 1fr;
  }

  .challenge-media {
    order: -1;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .quote-grid {
    grid-template-columns: 1fr;
  }

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

  .offer-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-page {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .testimonial-card {
    padding: 28px 24px;
  }

  .footer-brand,
  .footer-newsletter,
  .footer-cols {
    flex: 1 1 100%;
    max-width: none;
  }

  .site-nav {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-media {
    order: -1;
  }

  .hero-testimonial {
    width: min(280px, 70%);
  }

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero-testimonial {
    position: static;
    width: 100%;
    margin-top: 16px;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .modal {
    padding: 32px 22px;
  }
}