:root {
  --bg: #F6F7F2;
  --surface: #FFFFFF;
  --ink: #14171A;
  --ink-soft: #4A5058;
  --accent: #1E3A8A;
  --accent-dark: #14285F;
  --accent2: #C4F135;
  --line: #DDE1DA;
  --font-display: 'Cabinet Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'General Sans', ui-sans-serif, system-ui, sans-serif;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --space-sm: 8px;
  --space-md: 24px;
  --space-lg: 64px;
  --space-xl: 120px;
  --container: 1220px;
}

*, *::before, *::after { box-sizing: border-box; }
:where(html, body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd) { margin: 0; padding: 0; }
:where(h1, h2, h3, h4, h5, h6) { font: inherit; }
img, svg { display: block; max-width: 100%; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

@media (min-width: 900px) {
  .wrap { padding-inline: 40px; }
}

:where(a, a:link, a:visited) { color: inherit; text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--primary {
  background: var(--accent);
  color: #F7F8F5;
}
.btn--primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn--secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn--secondary:hover { background: rgba(30,58,138,0.06); transform: translateY(-1px); }
.btn--pill-outline-light {
  background: transparent;
  color: #F7F8F5;
  border-color: rgba(247,248,245,0.5);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,247,242,0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand__mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  position: relative;
  flex: none;
}
.brand__mark::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 3px;
  background: var(--accent2);
}
.nav {
  display: none;
}
@media (min-width: 980px) {
  .nav { display: block; }
}
.nav__list {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.nav__link:hover, .nav__link.is-active { color: var(--accent); }
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header__login {
  display: none;
}
@media (min-width: 980px) {
  .header__login { display: inline-flex; }
}
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}
@media (min-width: 980px) {
  .nav-toggle { display: none; }
}
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}
.nav-toggle__bar::before { position: absolute; top: -6px; }
.nav-toggle__bar::after { position: absolute; top: 6px; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.mobile-nav.is-open { display: block; }
.mobile-nav .wrap { padding-block: 16px; }
.mobile-nav__list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav__link { display: block; padding: 12px 4px; font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-nav__list li:last-child .mobile-nav__link { border-bottom: none; }

@media (min-width: 980px) {
  .mobile-nav { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: 56px 88px;
  overflow: hidden;
}
@media (min-width: 980px) {
  .hero { padding-block: 88px 120px; }
}
.hero__grid {
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: 32px; }
}
.hero__content { max-width: 560px; }
.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.hero__title mark {
  background: transparent;
  color: var(--ink);
  position: relative;
  padding: 0 2px;
}
.hero__title mark::after {
  content: '';
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 3px;
  height: 0.34em;
  background: var(--accent2);
  z-index: -1;
  border-radius: 2px;
}
.hero__subtext {
  margin-top: 22px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero__actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__visual {
  position: relative;
  min-height: 380px;
}
.hero__card {
  position: absolute;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.hero__card--main {
  inset: 0 8% 8% 0;
  background: linear-gradient(150deg, var(--accent) 0%, var(--accent-dark) 75%);
  box-shadow: 0 24px 48px -20px rgba(20,40,90,0.45);
}
.hero__card--main::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 22% 28%, rgba(196,241,53,0.28) 0, rgba(196,241,53,0) 42%),
    radial-gradient(circle at 78% 74%, rgba(247,248,245,0.14) 0, rgba(247,248,245,0) 40%);
}
.hero__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--accent2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__play svg { width: 22px; height: 22px; }
.hero__badge {
  position: absolute;
  right: 0;
  bottom: 0;
  transform: translate(6%, 12%);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: 0 18px 32px -18px rgba(20,23,26,0.28);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 230px;
}
.hero__badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent2);
  flex: none;
}
.hero__badge-text { font-size: 13px; font-weight: 500; color: var(--ink-soft); line-height: 1.4; }
.hero__badge-text strong { display: block; font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--ink); }

@media (max-width: 979px) {
  .hero__visual { min-height: 300px; }
  .hero__badge { max-width: 190px; padding: 12px 16px; }
}

/* ---------- Why section (bento) ---------- */
.why {
  padding-block: var(--space-lg) var(--space-xl);
}
.why__head {
  max-width: 620px;
  margin-bottom: 40px;
}
.why__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.why__head p {
  margin-top: 14px;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 52ch;
}
.why__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .why__grid { grid-template-columns: repeat(6, 1fr); }
}
.why__card {
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 200px;
}
@media (min-width: 760px) {
  .why__card--lead { grid-column: span 4; min-height: 280px; }
  .why__card--sm { grid-column: span 2; }
}
.why__card--lead {
  background: var(--accent);
  color: #F7F8F5;
}
.why__card--lead .why__icon { background: var(--accent2); }
.why__card--surface {
  background: var(--surface);
  border: 1px solid var(--line);
}
.why__card--ink {
  background: var(--ink);
  color: #F7F8F5;
}
.why__card--ink .why__icon { background: var(--accent2); }
.why__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.why__icon svg { width: 20px; height: 20px; }
.why__card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  margin-bottom: 8px;
}
.why__card p {
  font-size: 15px;
  line-height: 1.5;
  opacity: 0.86;
  max-width: 34ch;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Courses ---------- */
.courses {
  padding-block: var(--space-lg) var(--space-xl);
  scroll-margin-top: 90px;
}
.courses__head {
  max-width: 620px;
  margin-bottom: 40px;
}
.courses__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.courses__head p {
  margin-top: 14px;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 54ch;
}
.courses__layout {
  display: grid;
  gap: 24px;
}
@media (min-width: 900px) {
  .courses__layout { grid-template-columns: 0.9fr 1.1fr; align-items: stretch; }
}

.bundle-card {
  position: relative;
  background: var(--accent);
  color: #F7F8F5;
  border-radius: var(--radius-md);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.bundle-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 85% -10%, rgba(196,241,53,0.24) 0, rgba(196,241,53,0) 46%);
  pointer-events: none;
}
.bundle-card__badge {
  display: inline-flex;
  align-self: flex-start;
  background: var(--accent2);
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}
.bundle-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  margin-bottom: 10px;
}
.bundle-card p {
  font-size: 15px;
  opacity: 0.88;
  max-width: 34ch;
  margin-bottom: 24px;
}
.bundle-card__price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 24px;
}
.bundle-card__price strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
}
.bundle-card__price span {
  font-size: 14px;
  opacity: 0.75;
}
.bundle-card .btn--primary {
  background: var(--accent2);
  color: var(--ink);
  align-self: flex-start;
  margin-top: auto;
}
.bundle-card .btn--primary:hover { background: #b3dd2c; }

.chapter-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}
.chapter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}
.chapter-list .chapter-row:last-child { border-bottom: none; }
.chapter-row__left {
  display: flex;
  align-items: center;
  gap: 16px;
}
.chapter-row__num {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
}
.chapter-row__title { font-weight: 600; font-size: 15.5px; }
.chapter-row__status {
  display: block;
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 2px;
}
.chapter-row__status.is-available { color: var(--accent); }
.chapter-row__right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
}
.chapter-row__price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  white-space: nowrap;
}
.chapter-row .btn {
  padding: 9px 18px;
  font-size: 13.5px;
}
.chapter-row .btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}
@media (max-width: 560px) {
  .chapter-row { flex-wrap: wrap; }
  .chapter-row__right { width: 100%; justify-content: space-between; }
}
/* ---------- Page hero (About / simple pages) ---------- */
.page-hero {
  padding-block: 56px 0;
}
.page-hero__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

/* ---------- About split ---------- */
.about-split {
  padding-block: var(--space-lg) var(--space-xl);
}
.about-split__grid {
  display: grid;
  gap: 40px;
  align-items: start;
}
@media (min-width: 900px) {
  .about-split__grid { grid-template-columns: 0.85fr 1.15fr; gap: 56px; }
}
.about-split__portrait {
  position: relative;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 5;
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dark) 70%);
  overflow: hidden;
}
.about-split__portrait::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 25% 20%, rgba(196,241,53,0.3) 0, rgba(196,241,53,0) 45%);
}
.about-split__portrait-badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 18px 32px -18px rgba(20,23,26,0.28);
}
.about-split__portrait-badge strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}
.about-split__portrait-badge span {
  font-size: 12.5px;
  color: var(--ink-soft);
}
.about-split__body p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  max-width: 60ch;
  margin-bottom: 18px;
}
.about-split__body p:first-child {
  font-size: 20px;
  color: var(--ink);
  font-weight: 500;
}

/* ---------- Mission strip ---------- */
.mission {
  padding-block: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--line);
}
.mission__grid {
  display: grid;
  gap: 32px;
}
@media (min-width: 760px) {
  .mission__grid { grid-template-columns: 1fr 1fr; }
}
.mission__item h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 10px;
}
.mission__item p {
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 44ch;
}

/* ---------- CTA band ---------- */
.cta-band {
  margin-block: var(--space-lg) var(--space-xl);
}
.cta-band__inner {
  background: var(--ink);
  color: #F7F8F5;
  border-radius: var(--radius-md);
  padding: 48px 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-band__inner h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  max-width: 20ch;
}
.cta-band .btn--primary {
  background: var(--accent2);
  color: var(--ink);
}
.cta-band .btn--primary:hover { background: #b3dd2c; }
/* ---------- Video embed ---------- */
.video-section {
  padding-block: 40px var(--space-xl);
}
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--ink);
  box-shadow: 0 30px 60px -30px rgba(20,23,26,0.35);
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-section__note {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--ink-soft);
  max-width: 60ch;
}
/* ---------- FAQ accordion ---------- */
.faq-list {
  border-top: 1px solid var(--line);
  max-width: 780px;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 4px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}
.faq-item__icon {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.faq-item__icon::before, .faq-item__icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  transition: transform 0.2s ease;
}
.faq-item__icon::before { width: 12px; height: 2px; }
.faq-item__icon::after { width: 2px; height: 12px; }
.faq-item.is-open .faq-item__icon::after { transform: scaleY(0); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-item.is-open .faq-item__a { max-height: 240px; }
.faq-item__a p {
  padding: 0 4px 24px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 60ch;
}
/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  gap: 20px;
  max-width: 720px;
}
@media (min-width: 640px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}
.contact-card {
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-card--phone { background: var(--surface); border: 1px solid var(--line); color: var(--ink); }
.contact-card--phone .contact-card__hint { color: var(--ink-soft); }
.contact-card--whatsapp { background: var(--accent); color: #F7F8F5; }
.contact-card--whatsapp .contact-card__icon { background: var(--accent2); }
.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
}
.contact-card__number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
}
.contact-card p.contact-card__hint {
  font-size: 14px;
  opacity: 0.85;
}
.video-section--feature .wrap { max-width: 1400px; }

/* ---------- One-page section anchors ---------- */
#about-us, #free-lessons, #faqs, #contact, #courses {
  scroll-margin-top: 90px;
}
.section {
  padding-block: var(--space-lg) var(--space-xl);
}
.section--bordered {
  border-top: 1px solid var(--line);
}
.section-head {
  max-width: 620px;
  margin-bottom: 40px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.section-head p {
  margin-top: 14px;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 54ch;
}