/* ─── Reset & Base ─────────────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      background: #fff;
      color: #17183B;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; }
    button { font-family: inherit; cursor: pointer; }

    /* ─── Container ────────────────────────────────────────────────────── */
    .container {
      width: 100%;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }
    @media (min-width: 640px) {
      .container { padding-left: 2rem; padding-right: 2rem; }
    }
    @media (min-width: 1024px) {
      .container { padding-left: 3rem; padding-right: 3rem; max-width: 1200px; }
    }

    /* ─── Utility ──────────────────────────────────────────────────────── */
    .py-20 { padding-top: 5rem; padding-bottom: 5rem; }
    .bg-white { background-color: #fff; }
    .text-center { text-align: center; }
    .mb-8 { margin-bottom: 2rem; }
    .mb-10 { margin-bottom: 2.5rem; }
    .mb-12 { margin-bottom: 3rem; }
    .mt-2 { margin-top: 0.5rem; }
    .mt-4 { margin-top: 1rem; }
    .relative { position: relative; }
    .overflow-hidden { overflow: hidden; }

    /* ─── Grid helpers ─────────────────────────────────────────────────── */
    .grid { display: grid; }
    .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .gap-4 { gap: 1rem; }
    .gap-5 { gap: 1.25rem; }
    .gap-6 { gap: 1.5rem; }
    .gap-8 { gap: 2rem; }
    .gap-12 { gap: 3rem; }
    @media (min-width: 640px) {
      .sm-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
      .sm-col-span-2 { grid-column: span 2; }
    }
    @media (min-width: 768px) {
      .md-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    }
    @media (min-width: 1024px) {
      .lg-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
      .lg-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
      .lg-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    }

    /* ─── Flex helpers ─────────────────────────────────────────────────── */
    .flex { display: flex; }
    .flex-col { flex-direction: column; }
    .flex-wrap { flex-wrap: wrap; }
    .items-center { align-items: center; }
    .items-start { align-items: flex-start; }
    .justify-center { justify-content: center; }
    .justify-between { justify-content: space-between; }
    .justify-end { justify-content: flex-end; }

    /* ─── DVC Design System ────────────────────────────────────────────── */
    .notebook-grid {
      background-color: #fff;
      background-image:
        linear-gradient(rgba(0,100,200,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,100,200,0.07) 1px, transparent 1px);
      background-size: 32px 32px;
    }
    .dvc-yellow { background-color: #FFC700; }
    .dvc-warm { background-color: #FFFBF0; }

    .btn-coral {
      background-color: #FF5C4D;
      color: #fff;
      font-family: 'Montserrat', sans-serif;
      font-weight: 800;
      font-size: 1rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      border-radius: 50px;
      padding: 1rem 2.5rem;
      border: 3px solid #17183B;
      box-shadow: 4px 4px 0px #17183B;
      transition: all 0.15s ease;
      display: inline-block;
      text-align: center;
      text-decoration: none;
    }
    .btn-coral:hover { transform: translate(-2px,-2px); box-shadow: 6px 6px 0px #17183B; }
    .btn-coral:active { transform: translate(2px,2px); box-shadow: 2px 2px 0px #17183B; }

    .btn-sky {
      background-color: #00B8E6;
      color: #fff;
      font-family: 'Montserrat', sans-serif;
      font-weight: 800;
      font-size: 1rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      border-radius: 50px;
      padding: 1rem 2.5rem;
      border: 3px solid #17183B;
      box-shadow: 4px 4px 0px #17183B;
      transition: all 0.15s ease;
      display: inline-block;
      text-align: center;
      text-decoration: none;
    }
    .btn-sky:hover { transform: translate(-2px,-2px); box-shadow: 6px 6px 0px #17183B; }

    .dvc-badge {
      display: inline-block;
      background-color: #fff;
      color: #17183B;
      font-weight: 800;
      font-size: 0.85rem;
      letter-spacing: 0.03em;
      border-radius: 50px;
      padding: 0.35rem 1rem;
      border: 2.5px solid #FF5C4D;
    }
    .dvc-badge-sky { border-color: #00B8E6; color: #0A0F46; }
    .dvc-badge-dark { border-color: #17183B; }
    .dvc-badge-yellow { background: #FFC700; border-color: #FFC700; }

    .dvc-card {
      background: #fff;
      border-radius: 20px;
      border: 2.5px solid #17183B;
      box-shadow: 5px 5px 0px #17183B;
      padding: 1.75rem;
    }

    .dvc-heading {
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      color: #17183B;
      line-height: 1.1;
    }

    .step-circle {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background-color: #FFC700;
      border: 3px solid #17183B;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.5rem;
      color: #17183B;
      flex-shrink: 0;
      box-shadow: 3px 3px 0px #17183B;
    }

    /* ─── Hero ─────────────────────────────────────────────────────────── */
    #hero {
      background-color: #FFC700;
      position: relative;
      overflow: hidden;
      min-height: 100vh;
    }
    .hero-grid-overlay {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(23,24,59,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23,24,59,0.06) 1px, transparent 1px);
      background-size: 32px 32px;
      pointer-events: none;
    }
    .hero-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 1.5rem;
      padding-bottom: 1.5rem;
    }
    .coddy-logo-box {
      background: #17183B;
      border-radius: 10px;
      padding: 6px 14px;
      display: inline-flex;
      align-items: center;
    }
    .coddy-wordmark {
      font-family: 'Fredoka One', cursive;
      font-weight: 400;
      font-size: 1.6rem;
      color: #FFC700;
      letter-spacing: 0.02em;
      line-height: 1;
    }
    .dvc-logo-box {
      background: #fff;
      border-radius: 10px;
      padding: 8px 14px;
      border: 2.5px solid #17183B;
      box-shadow: 3px 3px 0px #17183B;
    }
    .dvc-logo-label {
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      font-size: 0.65rem;
      color: #17183B;
      letter-spacing: 0.05em;
      line-height: 1;
      text-transform: uppercase;
      opacity: 0.7;
    }
    .dvc-logo-name {
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      font-size: 1rem;
      color: #17183B;
      line-height: 1.1;
      text-transform: uppercase;
    }
    .hero-content {
      display: grid;
      align-items: center;
      gap: 2rem;
      min-height: calc(100vh - 100px);
      padding-bottom: 3rem;
    }
    @media (min-width: 1024px) {
      .hero-content { grid-template-columns: 1fr 1fr; }
    }
    .hero-h1 {
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      font-size: clamp(2.2rem, 5vw, 3.8rem);
      color: #17183B;
      line-height: 1.05;
      letter-spacing: -0.02em;
    }
    .hero-h1 .accent { color: #FF5C4D; }
    .hero-subtitle {
      font-family: 'Inter', -apple-system, sans-serif;
      font-weight: 400;
      font-size: 1.15rem;
      color: #17183B;
      line-height: 1.7;
      max-width: 480px;
      margin-top: 1.25rem;
    }
    .hero-date-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: #fff;
      border: 2.5px solid #17183B;
      border-radius: 50px;
      padding: 0.5rem 1.25rem;
      box-shadow: 3px 3px 0px #17183B;
      margin-top: 1.25rem;
      font-weight: 700;
      color: #17183B;
      font-size: 0.95rem;
    }
    .hero-cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-top: 1.5rem;
    }
    .hero-img-wrap {
      position: relative;
      max-width: 520px;
      width: 100%;
      margin: 0 auto;
    }
    @media (min-width: 1024px) {
      .hero-img-wrap { margin: 0 0 0 auto; }
    }
    .hero-img {
      width: 100%;
      border-radius: 24px;
      border: 3px solid #17183B;
      box-shadow: 8px 8px 0px #17183B;
    }
    .hero-sticker {
      position: absolute;
      top: -18px;
      right: -18px;
      background: #FF5C4D;
      color: #fff;
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      font-size: 0.85rem;
      border-radius: 50%;
      width: 80px;
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      border: 3px solid #17183B;
      box-shadow: 3px 3px 0px #17183B;
      line-height: 1.2;
      padding: 0.5rem;
    }
    .hero-wave {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      line-height: 0;
    }
    .hero-wave svg { display: block; width: 100%; }

    /* ─── About CODDY + Charity ────────────────────────────────────────── */
    .about-grid {
      display: grid;
      gap: 3rem;
      align-items: center;
    }
    @media (min-width: 1024px) {
      .about-grid { grid-template-columns: 1fr 1fr; }
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      margin-top: 0.5rem;
    }
    .stat-card {
      background: #FFC700;
      border-radius: 16px;
      border: 2.5px solid #17183B;
      box-shadow: 4px 4px 0px #17183B;
      padding: 1rem;
      text-align: center;
    }
    .stat-icon { font-size: 1.4rem; margin-bottom: 0.25rem; }
    .stat-num {
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      font-size: 1.2rem;
      color: #17183B;
      line-height: 1;
    }
    .stat-label {
      font-family: 'Inter', sans-serif;
      font-weight: 500;
      font-size: 0.7rem;
      color: #17183B;
      margin-top: 0.25rem;
      line-height: 1.3;
    }

    /* ─── What child gets ──────────────────────────────────────────────── */
    .gets-grid {
      display: grid;
      gap: 1.5rem;
    }
    @media (min-width: 640px) { .gets-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1024px) { .gets-grid { grid-template-columns: repeat(4, 1fr); } }
    .gets-card {
      background: #fff;
      border-radius: 20px;
      border: 2.5px solid #17183B;
      box-shadow: 5px 5px 0px #17183B;
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .gets-card:hover { transform: translate(-3px,-3px); box-shadow: 8px 8px 0px #17183B; }
    .gets-icon {
      width: 56px; height: 56px;
      background: #FFC700;
      border-radius: 14px;
      border: 2.5px solid #17183B;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.75rem;
      flex-shrink: 0;
    }
    .gets-title { font-weight: 800; font-size: 1rem; color: #17183B; line-height: 1.3; }
    .gets-desc { font-weight: 500; font-size: 0.9rem; color: #555; line-height: 1.6; }

    /* ─── Course Program ───────────────────────────────────────────────── */
    #course { background: #17183B; }
    .modules-grid {
      display: grid;
      gap: 1.25rem;
    }
    @media (min-width: 640px) { .modules-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (min-width: 1024px) { .modules-grid { grid-template-columns: repeat(3, 1fr); } }
    .module-card {
      background: rgba(255,255,255,0.06);
      border-radius: 16px;
      border: 1.5px solid rgba(255,199,0,0.3);
      padding: 1.5rem;
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }
    .module-num {
      font-family: 'Montserrat', sans-serif;
      font-weight: 900;
      font-size: 2rem;
      color: #FFC700;
      line-height: 1;
      flex-shrink: 0;
    }
    .module-title { font-weight: 800; color: #fff; font-size: 1rem; margin-bottom: 0.35rem; }
    .module-desc { font-weight: 500; color: rgba(255,255,255,0.65); font-size: 0.875rem; line-height: 1.5; }
    .capcut-promo {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      background: rgba(255,199,0,0.1);
      border-radius: 20px;
      border: 2px solid rgba(255,199,0,0.3);
      padding: 1.5rem 2.5rem;
      max-width: 500px;
      width: 100%;
      margin: 3rem auto 0;
    }
    .capcut-img { width: 80px; height: 80px; object-fit: contain; border-radius: 12px; flex-shrink: 0; }
    .capcut-title { font-weight: 800; color: #FFC700; font-size: 1.1rem; }
    .capcut-desc { font-weight: 500; color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-top: 0.25rem; }

    /* ─── How it works ─────────────────────────────────────────────────── */
    #how { background-color: #FFC700; position: relative; overflow: hidden; }
    .steps-grid {
      display: grid;
      gap: 2rem;
    }
    @media (min-width: 768px) { .steps-grid { grid-template-columns: repeat(3, 1fr); } }
    .step-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 1rem;
    }

    /* ─── About CODDY (facts) ──────────────────────────────────────────── */
    .coddy-grid {
      display: grid;
      gap: 3rem;
      align-items: start;
    }
    @media (min-width: 1024px) { .coddy-grid { grid-template-columns: 1fr 1fr; } }
    .facts-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
      margin-top: 0.5rem;
    }
    .fact-card {
      background: #FFFBF0;
      border-radius: 14px;
      border: 2px solid #17183B;
      padding: 1rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .fact-icon { font-size: 1.5rem; }
    .fact-num { font-weight: 900; font-size: 1.1rem; color: #17183B; }
    .fact-label { font-weight: 500; font-size: 0.75rem; color: #666; }

    /* ─── PDF links ────────────────────────────────────────────────────── */
    .pdf-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: #17183B;
      font-weight: 600;
      font-size: 0.875rem;
      text-decoration: none;
      padding: 0.5rem 0.75rem;
      background: #FFFBF0;
      border-radius: 8px;
      border: 1.5px solid #17183B;
      transition: all 0.15s;
    }
    .pdf-link:hover { background: #FFC700; transform: translateX(3px); }

    /* ─── Form ─────────────────────────────────────────────────────────── */
    .form-wrap { max-width: 680px; margin: 0 auto; }
    .form-input {
      width: 100%;
      background: #fff;
      border: 2.5px solid #17183B;
      border-radius: 12px;
      padding: 0.875rem 1.25rem;
      font-family: 'Montserrat', sans-serif;
      font-size: 1rem;
      font-weight: 500;
      color: #17183B;
      outline: none;
      box-sizing: border-box;
      transition: border-color 0.15s, box-shadow 0.15s;
    }
    .form-input:focus { border-color: #FF5C4D; box-shadow: 3px 3px 0px #FF5C4D; }
    .form-input::placeholder { color: #999; font-weight: 400; }
    .form-label {
      font-weight: 700;
      font-size: 0.875rem;
      color: #17183B;
      margin-bottom: 0.35rem;
      display: block;
    }
    .form-grid {
      display: grid;
      gap: 1.25rem;
    }
    @media (min-width: 640px) { .form-grid { grid-template-columns: repeat(2, 1fr); } }
    .form-field-full { grid-column: 1 / -1; }
    .form-select {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2317183B' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 1rem center;
      padding-right: 2.5rem;
    }
    .form-textarea { resize: vertical; min-height: 90px; }
    .checkbox-row {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      cursor: pointer;
    }
    .checkbox-row input[type="checkbox"] {
      width: 20px; height: 20px;
      margin-top: 2px;
      accent-color: #FF5C4D;
      flex-shrink: 0;
      cursor: pointer;
    }
    .checkbox-text { font-weight: 500; font-size: 0.875rem; color: #555; line-height: 1.5; }
    .form-submit {
      width: 100%;
      font-size: 1.1rem;
      padding: 1.1rem 2rem;
      margin-top: 1.75rem;
    }
    .form-note { text-align: center; margin-top: 0.75rem; font-size: 0.8rem; color: #888; font-weight: 500; }

    /* ─── Success state ────────────────────────────────────────────────── */
    #success-state { display: none; }
    #success-state.visible { display: block; }
    #form-state.hidden { display: none; }

    /* ─── Footer ───────────────────────────────────────────────────────── */
    footer { background: #17183B; padding: 3rem 0 2rem; }
    .footer-grid {
      display: grid;
      gap: 2rem;
      margin-bottom: 2rem;
    }
    @media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }
    .footer-coddy-box {
      background: #FFC700;
      border-radius: 10px;
      padding: 6px 14px;
      display: inline-block;
      margin-bottom: 0.75rem;
    }
    .footer-coddy-name {
      font-family: 'Fredoka One', cursive;
      font-weight: 400;
      font-size: 1.4rem;
      color: #17183B;
      letter-spacing: 0.02em;
    }
    .footer-section-title { font-weight: 800; color: #FFC700; font-size: 1rem; margin-bottom: 0.75rem; }
    .footer-text { color: rgba(255,255,255,0.6); font-size: 0.875rem; line-height: 1.6; font-weight: 500; }
    .footer-link { color: #00B8E6; font-size: 0.875rem; font-weight: 600; text-decoration: none; margin-top: 0.5rem; display: inline-block; }
    .footer-link-light { color: rgba(255,255,255,0.7); font-size: 0.875rem; font-weight: 500; text-decoration: none; display: block; margin-bottom: 0.35rem; }
    .footer-note { color: rgba(255,255,255,0.5); font-size: 0.8rem; line-height: 1.5; margin-top: 0.75rem; }
    .footer-divider { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; text-align: center; }
    .footer-copy { color: rgba(255,255,255,0.35); font-size: 0.8rem; font-weight: 500; }

    /* ─── Toast notification ───────────────────────────────────────────── */
    #toast {
      position: fixed;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%) translateY(100px);
      background: #17183B;
      color: #fff;
      padding: 0.875rem 1.75rem;
      border-radius: 12px;
      font-weight: 600;
      font-size: 0.95rem;
      box-shadow: 0 8px 32px rgba(0,0,0,0.25);
      z-index: 9999;
      transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
      white-space: nowrap;
    }
    #toast.show { transform: translateX(-50%) translateY(0); }
    #toast.error { background: #FF5C4D; }
    .form-input.err{
      box-shadow: 3px 3px 0px #FF5C4D;
      border-color: #FF5C4D;
    }