:root {
    --cream: #FBF3E6;
    --cream-soft: #F1E6D3;
    --surface: #FFFFFF;
    --ink: #15183A;
    --ink-soft: #565A82;
    --royal: #1E2BD1;
    --royal-ink: #101B8C;
    --coral: #FF5B49;
    --gold: #FFC94D;
    --lilac: #B7A3F2;
    --mint: #5FCFA5;
    --line: rgba(21, 24, 58, .14);
    --line-on-royal: rgba(255, 255, 255, .22);
    --shadow: 0 20px 50px -25px rgba(16, 19, 58, .35);
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --cream: #12142B;
      --cream-soft: #1B1E3D;
      --surface: #20233F;
      --ink: #F4EFE3;
      --ink-soft: #B7BAD9;
      --royal: #5C68FF;
      --royal-ink: #D7DAFF;
      --coral: #FF7C6C;
      --gold: #FFD873;
      --lilac: #C9B9FF;
      --mint: #78E7BC;
      --line: rgba(244, 239, 227, .16);
      --line-on-royal: rgba(255, 255, 255, .2);
      --shadow: 0 20px 50px -25px rgba(0, 0, 0, .6);
    }
  }

  :root[data-theme="dark"] {
    --cream: #12142B;
    --cream-soft: #1B1E3D;
    --surface: #20233F;
    --ink: #F4EFE3;
    --ink-soft: #B7BAD9;
    --royal: #5C68FF;
    --royal-ink: #D7DAFF;
    --coral: #FF7C6C;
    --gold: #FFD873;
    --lilac: #C9B9FF;
    --mint: #78E7BC;
    --line: rgba(244, 239, 227, .16);
    --line-on-royal: rgba(255, 255, 255, .2);
    --shadow: 0 20px 50px -25px rgba(0, 0, 0, .6);
  }

  * {
    box-sizing: border-box;
  }

  html {
    -webkit-text-size-adjust: 100%;
  }

  body {
    margin: 0;
    background: var(--cream);
    color: var(--ink);
    font-family: 'Literata', Georgia, 'Times New Roman', serif;
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: .001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .001ms !important;
      scroll-behavior: auto !important;
    }
  }

  h1,
  h2,
  h3,
  .display {
    font-family: 'Baloo 2', ui-rounded, 'Segoe UI', sans-serif;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -.01em;
    text-wrap: balance;
    color: var(--ink);
    margin: 0;
  }

  .eyebrow {
    font-family: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', monospace;
    font-weight: 600;
    font-size: .78rem;
    letter-spacing: .14em;
    text-transform: uppercase;
  }

  .mono {
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-variant-numeric: tabular-nums;
  }

  a {
    color: inherit;
  }

  img,
  svg {
    max-width: 100%;
  }

  .wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding-inline: 28px;
  }

  .band {
    padding-block: 96px;
  }

  @media (max-width:720px) {
    .band {
      padding-block: 64px;
    }

    .wrap {
      padding-inline: 20px;
    }
  }

  /* ---------- top bar ---------- */
  .sticky-head {
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .topbar {
    background: color-mix(in srgb, var(--cream) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
  }

  .topbar .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-block: 16px;
    gap: 12px 16px;
  }

  .brand {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 800;
    font-size: 1.05rem;
    min-width: 0;
  }

  @media (max-width: 480px) {
    .topbar .btn-coral {
      padding: 10px 16px;
    }
    .topbar .wa-phone {
      display: none;
    }
  }

  .brand span {
    color: var(--royal);
  }

  .quicknav {
    background: var(--cream-soft);
    border-bottom: 1px solid var(--line);
  }

  .quicknav-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-block: 12px;
  }

  .qn-btn {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: .8rem;
    padding: 8px 16px;
    border-radius: 100px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink-soft);
    text-decoration: none;
    transition: transform .15s ease, border-color .15s ease, color .15s ease;
  }

  .qn-btn:hover {
    border-color: var(--royal);
    color: var(--royal-ink);
    transform: translateY(-1px);
  }

  .qn-btn-accent {
    background: var(--royal);
    border-color: var(--royal);
    color: #fff;
  }

  .qn-btn-accent:hover {
    color: #fff;
    opacity: .92;
  }

  #curriculum,
  #precios {
    scroll-margin-top: 118px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: .9rem;
    padding: 11px 20px;
    border-radius: 100px;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: transform .15s ease, box-shadow .15s ease;
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
  }

  .btn-coral {
    background: var(--coral);
    color: #fff;
    box-shadow: 0 10px 24px -12px color-mix(in srgb, var(--coral) 70%, transparent);
  }

  .btn-royal {
    background: var(--royal);
    color: #fff;
    box-shadow: 0 10px 24px -12px color-mix(in srgb, var(--royal) 70%, transparent);
  }

  .btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1.5px solid var(--line);
  }

  .btn-sm {
    padding: 8px 16px;
    font-size: .8rem;
  }

  .ico-wa {
    flex: none;
    display: block;
  }

  /* ---------- hero ---------- */
  .hero {
    padding-top: 56px;
    padding-bottom: 80px;
  }

  .hero .wrap {
    display: grid;
    grid-template-columns: 1.15fr .95fr;
    gap: 56px;
    align-items: center;
  }

  @media (max-width:920px) {
    .hero .wrap {
      grid-template-columns: 1fr;
    }
  }

  .hero-tag {
    color: var(--royal-ink);
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  }

  .hero h1 em {
    font-style: normal;
    color: var(--royal-ink);
  }

  .hero-tagline {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
    font-style: normal;
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    color: var(--ink-soft);
    margin-top: 14px;
  }

  .hero-badge {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 700;
    font-size: .92rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--coral);
    margin-top: 16px;
  }

  .hero .lede {
    margin-top: 22px;
    font-size: 1.18rem;
    color: var(--ink-soft);
    max-width: 46ch;
  }

  .hero .meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
  }

  .chip {
    font-family: 'IBM Plex Mono', monospace;
    font-size: .82rem;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 100px;
    border: 1px solid var(--line);
    color: var(--ink-soft);
    background: var(--cream-soft);
  }

  .hero .cta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-top: 34px;
  }

  .cta-note {
    font-size: .86rem;
    color: var(--ink-soft);
  }

  .hero-photo {
    position: relative;
  }

  .hero-photo::before {
    content: "";
    position: absolute;
    top: -32px;
    right: -28px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: var(--lilac);
    z-index: 0;
  }

  .hero-photo img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4/5;
    object-fit: cover;
    object-position: center 15%;
    border-radius: 28px;
    box-shadow: var(--shadow);
  }

  .hero-photo figcaption {
    margin-top: 14px;
    font-size: .82rem;
    color: var(--ink-soft);
  }

  .hero-photo figcaption a {
    color: var(--royal-ink);
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  /* ---------- royal band (problem) ---------- */
  .royal-band {
    background: var(--royal);
    color: #fff;
  }

  .problem-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 48px;
    align-items: center;
  }

  @media (max-width:860px) {
    .problem-grid {
      grid-template-columns: 1fr;
    }
  }

  .problem-photo img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 20px 50px -25px rgba(0, 0, 0, .55);
  }

  .royal-band .eyebrow {
    color: var(--gold);
  }

  .royal-band h2 {
    color: #fff;
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    margin-top: 14px;
    max-width: 20ch;
  }

  .quote-big {
    font-family: 'Literata', serif;
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.2rem, 2.2vw, 1.55rem);
    color: var(--gold);
    max-width: 38ch;
    margin-top: 34px;
    line-height: 1.45;
  }

  .num-list {
    margin-top: 44px;
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(2, 1fr);
  }

  @media (max-width:640px) {
    .num-list {
      grid-template-columns: 1fr;
    }
  }

  .num-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }

  .num-item .idx {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    color: var(--coral);
    font-size: .95rem;
    padding-top: 3px;
  }

  .num-item p {
    margin: 0;
    font-family: 'Baloo 2', sans-serif;
    font-weight: 600;
    font-size: 1.08rem;
  }

  /* ---------- idea band ---------- */
  .idea-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
  }

  @media (max-width:800px) {
    .idea-head {
      grid-template-columns: 1fr;
    }
  }

  .idea-head blockquote {
    margin: 0;
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    color: var(--royal-ink);
  }

  .idea-head .body {
    color: var(--ink-soft);
    font-size: 1.08rem;
  }

  .idea-head .body p+p {
    margin-top: 14px;
  }

  .gain-list {
    margin-top: 56px;
    columns: 2;
    column-gap: 48px;
  }

  @media (max-width:640px) {
    .gain-list {
      columns: 1;
    }
  }

  .gain-list div {
    break-inside: avoid;
    display: flex;
    gap: 12px;
    padding-block: 13px;
    border-top: 1px solid var(--line);
  }

  .gain-list div:first-child {
    border-top: 0;
  }

  .gain-list .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 9px;
    flex: none;
    background: var(--coral);
  }

  .gain-list div:nth-child(4n+2) .dot {
    background: var(--gold);
  }

  .gain-list div:nth-child(4n+3) .dot {
    background: var(--lilac);
  }

  .gain-list div:nth-child(4n+4) .dot {
    background: var(--mint);
  }

  /* ---------- curriculum ---------- */
  .curriculum {
    background: var(--cream-soft);
  }

  .curr-head {
    max-width: 56ch;
  }

  .curr-head h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.4rem);
    margin-top: 14px;
  }

  .curr-head p {
    color: var(--ink-soft);
    margin-top: 16px;
    font-size: 1.08rem;
  }

  .curr-photo {
    margin-top: 36px;
    max-width: 560px;
  }

  .curr-photo img {
    width: 100%;
    display: block;
    aspect-ratio: 640 / 271;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px -24px rgba(16, 19, 58, .3);
  }

  .curr-photo figcaption {
    margin-top: 10px;
    font-size: .82rem;
    color: var(--ink-soft);
  }

  .curr-list {
    margin-top: 52px;
    display: grid;
    gap: 0;
  }

  .curr-row {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 24px;
    padding-block: 28px;
    border-top: 1px solid var(--line);
  }

  .curr-row:last-child {
    border-bottom: 1px solid var(--line);
  }

  .curr-row .num {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1rem;
    color: var(--royal-ink);
    font-weight: 600;
  }

  .curr-row h3 {
    font-size: 1.25rem;
  }

  .curr-row p {
    margin: 8px 0 0;
    color: var(--ink-soft);
    max-width: 60ch;
  }

  /* ---------- story ---------- */
  .story {}

  .story .wrap {
    max-width: 760px;
  }

  .story .kicker {
    color: var(--coral);
  }

  .story h2 {
    font-size: clamp(1.9rem, 3.6vw, 2.7rem);
    margin-top: 16px;
  }

  .story .lede {
    margin-top: 20px;
    font-size: 1.15rem;
    color: var(--ink-soft);
  }

  .story-body {
    margin-top: 38px;
    font-size: 1.1rem;
  }

  .story-body p {
    margin: 0 0 20px;
  }

  .pull {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
    font-style: normal;
    font-size: clamp(1.3rem, 2.4vw, 1.7rem);
    color: var(--royal-ink);
    margin: 38px 0;
    padding-left: 22px;
    border-left: 4px solid var(--coral);
    line-height: 1.3;
  }

  .signoff {
    margin-top: 40px;
    display: flex;
    gap: 16px;
    align-items: center;
  }

  .signoff .avatar-photo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 15%;
    flex: none;
    box-shadow: 0 6px 16px -6px rgba(16, 19, 58, .4);
  }

  .signoff .name {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
  }

  .signoff .role {
    color: var(--ink-soft);
    font-size: .92rem;
  }

  /* ---------- proof stat ---------- */
  .proof {
    background: var(--coral);
    color: #fff;
  }

  .proof .wrap {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 48px;
    align-items: center;
  }

  @media (max-width:720px) {
    .proof .wrap {
      grid-template-columns: 1fr;
    }
  }

  .proof .stat {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: clamp(4rem, 10vw, 6.5rem);
    line-height: .9;
  }

  .proof .stat small {
    display: block;
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
    opacity: .85;
  }

  .proof h3 {
    color: #fff;
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    max-width: 26ch;
  }

  .proof p {
    margin-top: 16px;
    max-width: 52ch;
    color: rgba(255, 255, 255, .9);
    font-size: 1.05rem;
  }

  /* ---------- logistics table ---------- */
  .logi-head {
    max-width: 56ch;
  }

  .logi-head h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.4rem);
    margin-top: 14px;
  }

  table.logi {
    width: 100%;
    border-collapse: collapse;
    margin-top: 44px;
    font-size: .98rem;
  }

  table.logi th,
  table.logi td {
    text-align: left;
    padding: 16px 14px;
    border-top: 1px solid var(--line);
    vertical-align: top;
  }

  table.logi thead th {
    border-top: 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: .76rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 600;
  }

  table.logi td:first-child,
  table.logi th:first-child {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
    color: var(--royal-ink);
    white-space: nowrap;
  }

  .logi-wrap {
    overflow-x: auto;
  }

  .followup {
    margin-top: 40px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 28px 30px;
  }

  .followup h3 {
    font-size: 1.1rem;
  }

  .followup p {
    color: var(--ink-soft);
    margin-top: 10px;
  }

  /* ---------- tool teaser ---------- */
  .teaser {
    background: var(--royal);
    color: #fff;
  }

  .teaser .wrap {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: center;
  }

  @media (max-width:820px) {
    .teaser .wrap {
      grid-template-columns: 1fr;
    }
  }

  .teaser .eyebrow {
    color: var(--mint);
  }

  .teaser h2 {
    color: #fff;
    font-size: clamp(1.7rem, 3.2vw, 2.3rem);
    margin-top: 14px;
    max-width: 18ch;
  }

  .teaser p {
    color: rgba(255, 255, 255, .85);
    margin-top: 16px;
    font-size: 1.05rem;
    max-width: 48ch;
  }

  .demo-card {
    background: rgba(255, 255, 255, .07);
    border: 1px solid var(--line-on-royal);
    border-radius: 22px;
    padding: 26px;
  }

  .demo-card label {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: .78rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .65);
    margin-bottom: 10px;
  }

  .demo-row {
    display: flex;
    gap: 10px;
  }

  .demo-row input {
    flex: 1;
    min-width: 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.4rem;
    font-weight: 600;
    background: rgba(255, 255, 255, .1);
    border: 1.5px solid var(--line-on-royal);
    border-radius: 12px;
    padding: 12px 14px;
    color: #fff;
    letter-spacing: .04em;
  }

  .demo-row input::placeholder {
    color: rgba(255, 255, 255, .4);
  }

  .demo-row input:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 1px;
  }

  .demo-result {
    margin-top: 18px;
    min-height: 64px;
  }

  .demo-result .word {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 800;
    font-size: 2.1rem;
    color: var(--gold);
  }

  .demo-result .hint {
    margin-top: 6px;
    font-size: .9rem;
    color: rgba(255, 255, 255, .7);
  }

  .demo-card .btn {
    margin-top: 18px;
    width: 100%;
    justify-content: center;
  }

  /* ---------- pricing ---------- */
  .price-head {
    max-width: 56ch;
  }

  .price-head h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.4rem);
    margin-top: 14px;
  }

  .price-grid {
    margin-top: 44px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  @media (max-width:820px) {
    .price-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width:480px) {
    .price-grid {
      grid-template-columns: 1fr;
    }
  }

  .price-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 26px 22px;
  }

  .price-card.is-best {
    background: var(--coral);
    border-color: var(--coral);
    color: #fff;
  }

  .price-card .amount {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: 2.1rem;
  }

  .price-card .who {
    margin-top: 8px;
    font-size: .92rem;
    color: var(--ink-soft);
  }

  .price-card.is-best .who {
    color: rgba(255, 255, 255, .85);
  }

  .price-note {
    margin-top: 24px;
    font-size: .92rem;
    color: var(--ink-soft);
  }

  .price-cta {
    margin-top: 38px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: center;
  }

  /* ---------- faq ---------- */
  .faq {
    background: var(--cream-soft);
  }

  .faq-head h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  }

  .faq-list {
    margin-top: 44px;
    display: grid;
    gap: 0;
    max-width: 820px;
  }

  .faq-item {
    border-top: 1px solid var(--line);
    padding-block: 24px;
  }

  .faq-item:last-child {
    border-bottom: 1px solid var(--line);
  }

  .faq-item h3 {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
    font-size: 1.08rem;
  }

  .faq-item p {
    margin: 8px 0 0;
    color: var(--ink-soft);
  }

  /* ---------- contact ---------- */
  .contact {}

  .contact .card {
    background: var(--royal);
    color: #fff;
    border-radius: 28px;
    padding: 56px 48px;
  }

  @media (max-width:640px) {
    .contact .card {
      padding: 40px 24px;
    }
  }

  .contact h2 {
    color: #fff;
    font-size: clamp(1.8rem, 3.6vw, 2.6rem);
    max-width: 20ch;
  }

  .contact p {
    margin-top: 16px;
    color: rgba(255, 255, 255, .85);
    max-width: 46ch;
  }

  .contact .cta-row {
    margin-top: 32px;
  }

  .contact .phone {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 1.2rem;
    font-weight: 600;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    gap: 40px;
    align-items: center;
    text-align: left;
  }

  @media (max-width:720px) {
    .contact-grid {
      grid-template-columns: 1fr;
      text-align: center;
    }

    .contact-grid h2,
    .contact-grid p {
      margin-inline: auto;
    }

    .contact-grid .cta-row {
      justify-content: center;
    }

    .contact-photo {
      max-width: 220px;
      margin-inline: auto;
      order: -1;
    }
  }

  .contact-photo img {
    width: 100%;
    display: block;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: center 15%;
    border-radius: 20px;
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .4);
  }

  footer {
    padding-block: 40px;
  }

  footer .wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
    font-size: .86rem;
    color: var(--ink-soft);
  }

  footer a {
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .6s ease, transform .6s ease;
  }

  .reveal.in {
    opacity: 1;
    transform: none;
  }