:root {
    --board: #2b4a38;
    --board-dark: #1c3226;
    --board-light: #3a6350;
    --chalk: #f0ede6;
    --chalk-dim: rgba(240,237,230,.55);
    --chalk-faint: rgba(240,237,230,.12);
    --yellow: #f5c842;
    --yellow-hover: #fdd85a;
    --paper: #faf7f2;
    --white: #fff;
    --text: #1c2b24;
    --muted: #6a7c72;
    --border: #dde8e2;
    --wood: #8b5e3c;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--paper); color: var(--text); overflow-x: hidden; }

  /* NAV */
  .topbar { background: var(--board-dark); padding: .85rem 0; position: sticky; top: 0; z-index: 100; border-bottom: 4px solid var(--wood); }
  .brand { font-size: 1rem; font-weight: 900; color: var(--chalk); text-decoration: none; display: flex; align-items: center; gap: .6rem; letter-spacing: -.02em; }
  .nav-tel { font-size: .85rem; font-weight: 700; color: var(--chalk-dim); text-decoration: none; transition: color .2s; }
  .nav-tel:hover { color: var(--yellow); }
  .btn-nav { background: var(--yellow); color: var(--board-dark); font-weight: 800; font-size: .82rem; border: none; border-radius: 6px; padding: .5rem 1.2rem; text-decoration: none; transition: all .2s; }
  .btn-nav:hover { background: var(--yellow-hover); transform: translateY(-1px); color: var(--board-dark); }

  /* HERO */
  .hero { background: var(--board); padding: 5.5rem 0 5rem; position: relative; overflow: hidden; }
  .hero::before { content: ''; position: absolute; inset: 0; pointer-events: none; background-image: repeating-linear-gradient(0deg, transparent, transparent 28px, rgba(240,237,230,.025) 28px, rgba(240,237,230,.025) 29px); }
  .hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 14px; background: linear-gradient(180deg, var(--wood) 0%, #6e4a2e 100%); box-shadow: 0 -2px 0 rgba(0,0,0,.3); }
  .wood-top { position: absolute; top: 0; left: 0; right: 0; height: 14px; background: linear-gradient(180deg, #6e4a2e 0%, var(--wood) 100%); box-shadow: 0 2px 0 rgba(0,0,0,.25); z-index: 2; }
  .chalk-glow { position: absolute; border-radius: 50%; pointer-events: none; background: radial-gradient(circle, rgba(240,237,230,.06) 0%, transparent 70%); }
  .cg1 { width: 700px; height: 500px; top: -150px; right: -100px; }
  .cg2 { width: 400px; height: 400px; bottom: -100px; left: -50px; }
  .chalk-tag { display: inline-flex; align-items: center; gap: .5rem; background: rgba(245,200,66,.12); border: 1px solid rgba(245,200,66,.3); border-radius: 6px; padding: .3rem .85rem; font-size: .75rem; font-weight: 700; color: var(--yellow); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1.4rem; }
  .chalk-tag-dot { width: 5px; height: 5px; background: var(--yellow); border-radius: 50%; animation: blink 2s ease-in-out infinite; }
  @keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }
  .hero h1 { font-size: clamp(2.5rem, 5.2vw, 4.8rem); font-weight: 900; color: var(--chalk); line-height: 1.04; letter-spacing: -.04em; margin-bottom: 1.1rem; }
  .hero h1 em { font-style: normal; color: var(--yellow); }
  .hero-sub { font-size: 1.05rem; font-weight: 600; color: var(--chalk-dim); line-height: 1.75; max-width: 480px; margin-bottom: 2.2rem; }
  .btn-primary-chalk { background: var(--yellow); color: var(--board-dark); font-weight: 800; font-size: .95rem; border: none; border-radius: 8px; padding: .85rem 2rem; text-decoration: none; transition: all .2s; display: inline-block; letter-spacing: -.01em; }
  .btn-primary-chalk:hover { background: var(--yellow-hover); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(245,200,66,.3); color: var(--board-dark); }
  .btn-ghost-chalk { background: transparent; color: var(--chalk-dim); font-weight: 700; font-size: .95rem; border: 1.5px solid rgba(240,237,230,.22); border-radius: 8px; padding: .83rem 1.8rem; text-decoration: none; transition: all .2s; display: inline-block; }
  .btn-ghost-chalk:hover { border-color: var(--yellow); color: var(--yellow); }
  .board-cards { display: flex; flex-direction: column; gap: .9rem; }
  .bcard { background: rgba(240,237,230,.07); border: 1px solid rgba(240,237,230,.14); border-radius: 8px; padding: 1.1rem 1.3rem; display: flex; align-items: flex-start; gap: .9rem; position: relative; transition: all .25s; }
  .bcard::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--yellow); border-radius: 8px 0 0 8px; opacity: 0; transition: opacity .2s; }
  .bcard:hover { background: rgba(240,237,230,.11); border-color: rgba(245,200,66,.3); transform: translateX(4px); }
  .bcard:hover::before { opacity: 1; }
  .bcard-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; }
  .bcard-title { font-size: .92rem; font-weight: 800; color: var(--chalk); margin-bottom: .15rem; letter-spacing: -.01em; }
  .bcard-desc { font-size: .8rem; font-weight: 600; color: var(--chalk-dim); line-height: 1.55; }

  /* CHALK TRAY */
  .chalk-tray { background: var(--wood); padding: 1.1rem 0; position: relative; box-shadow: 0 4px 12px rgba(0,0,0,.25); }
  .chalk-tray::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: rgba(255,255,255,.15); }
  .tray-inner { display: flex; align-items: center; justify-content: center; gap: 2.5rem; flex-wrap: wrap; }
  .tray-item { display: flex; align-items: center; gap: .55rem; font-size: .82rem; font-weight: 800; color: rgba(250,247,242,.85); white-space: nowrap; }
  .tray-sep { color: rgba(250,247,242,.25); }

  /* SECTIONS */
  .sec { padding: 5.5rem 0; }
  .sec-white { background: var(--white); }
  .sec-paper { background: var(--paper); }
  .sec-board { background: var(--board); position: relative; overflow: hidden; }
  .sec-board::before { content: ''; position: absolute; inset: 0; pointer-events: none; background-image: repeating-linear-gradient(0deg, transparent, transparent 28px, rgba(240,237,230,.02) 28px, rgba(240,237,230,.02) 29px); }
  .sec-board::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 8px; background: linear-gradient(180deg, var(--wood) 0%, #6e4a2e 100%); }
  .sec-label { font-size: .7rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--board-light); margin-bottom: .6rem; display: flex; align-items: center; gap: .5rem; }
  .sec-label::before { content: ''; display: block; width: 18px; height: 2px; background: var(--yellow); border-radius: 2px; }
  .sec-label-light { color: rgba(245,200,66,.7); }
  .sec-title { font-size: clamp(1.8rem, 3.2vw, 2.7rem); font-weight: 900; color: var(--text); line-height: 1.1; letter-spacing: -.03em; margin-bottom: .55rem; }
  .sec-title-light { color: var(--chalk); }
  .sec-body { font-size: .97rem; font-weight: 600; color: var(--muted); line-height: 1.75; }
  .sec-body-light { color: var(--chalk-dim); }

  /* FOR WHOM */
  .fcard { background: var(--white); border: 1.5px solid var(--border); border-radius: 14px; padding: 2.2rem; height: 100%; transition: all .25s; }
  .fcard:hover { border-color: var(--board-light); box-shadow: 0 14px 36px rgba(26,58,46,.1); transform: translateY(-4px); }
  .fcard-icon { font-size: 2.4rem; margin-bottom: 1rem; display: block; }
  .fcard h3 { font-size: 1.15rem; font-weight: 900; color: var(--text); margin-bottom: .45rem; letter-spacing: -.02em; }
  .fcard p { font-size: .88rem; font-weight: 600; color: var(--muted); line-height: 1.7; margin-bottom: 1.1rem; }
  .flist { list-style: none; padding: 0; margin: 0; }
  .flist li { font-size: .86rem; font-weight: 700; color: var(--text); padding: .42rem 0; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: .5rem; line-height: 1.5; }
  .flist li:last-child { border-bottom: none; }
  .flist-check { width: 16px; height: 16px; border-radius: 50%; background: var(--yellow); flex-shrink: 0; margin-top: 2px; display: flex; align-items: center; justify-content: center; font-size: .6rem; font-weight: 900; color: var(--board-dark); }

  /* STEPS */
  .step-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid rgba(240,237,230,.12); border-radius: 12px; overflow: hidden; }
  .scard { background: transparent; padding: 2rem 1.8rem; border-right: 1px solid rgba(240,237,230,.1); border-bottom: 1px solid rgba(240,237,230,.1); transition: background .2s; }
  .scard:nth-child(3n) { border-right: none; }
  .scard:nth-child(4), .scard:nth-child(5), .scard:nth-child(6) { border-bottom: none; }
  .scard:hover { background: rgba(240,237,230,.05); }
  .scard-num { font-size: .68rem; font-weight: 800; letter-spacing: .14em; color: rgba(245,200,66,.45); text-transform: uppercase; margin-bottom: .8rem; }
  .scard-icon { font-size: 1.7rem; margin-bottom: .7rem; display: block; }
  .scard h3 { font-size: .97rem; font-weight: 800; color: var(--chalk); margin-bottom: .45rem; letter-spacing: -.01em; line-height: 1.3; }
  .scard p { font-size: .81rem; font-weight: 600; color: var(--chalk-dim); line-height: 1.65; margin: 0; }
  .scard strong { color: var(--yellow); font-weight: 800; }

  /* APP */
  .app-box { background: var(--board); border: 1.5px solid rgba(240,237,230,.14); border-radius: 14px; padding: 3rem 2.5rem; text-align: center; position: relative; overflow: hidden; }
  .app-box::before { content: ''; position: absolute; inset: 0; pointer-events: none; background-image: repeating-linear-gradient(0deg, transparent, transparent 28px, rgba(240,237,230,.02) 28px, rgba(240,237,230,.02) 29px); }
  .app-box-icon { font-size: 3rem; margin-bottom: 1rem; display: block; position: relative; z-index: 1; }
  .app-box h3 { font-size: 1.2rem; font-weight: 900; color: var(--chalk); margin-bottom: .55rem; letter-spacing: -.02em; position: relative; z-index: 1; }
  .app-box p { font-size: .88rem; font-weight: 600; color: var(--chalk-dim); line-height: 1.7; margin-bottom: 1.8rem; position: relative; z-index: 1; }
  .btn-demo { background: var(--yellow); color: var(--board-dark); font-weight: 800; font-size: .95rem; border: none; border-radius: 8px; padding: .85rem 2rem; text-decoration: none; transition: all .2s; display: inline-block; position: relative; z-index: 1; }
  .btn-demo:hover { background: var(--yellow-hover); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(245,200,66,.3); color: var(--board-dark); }

  /* FORM */
  .form-wrap { background: var(--white); border: 1.5px solid var(--border); border-radius: 14px; padding: 2.5rem; }
  .form-label { font-size: .78rem; font-weight: 800; color: var(--text); letter-spacing: .04em; text-transform: uppercase; margin-bottom: .4rem; display: block; }
  .form-control { font-family: 'Plus Jakarta Sans', sans-serif; font-size: .92rem; font-weight: 600; color: var(--text); background: var(--paper); border: 1.5px solid var(--border); border-radius: 8px; padding: .7rem 1rem; transition: border-color .2s, box-shadow .2s; width: 100%; }
  .form-control:focus { outline: none; border-color: var(--board-light); box-shadow: 0 0 0 3px rgba(61,122,96,.12); background: var(--white); }
  .form-control::placeholder { color: #b0bfb8; font-weight: 500; }
  textarea.form-control { resize: vertical; min-height: 120px; }
  .captcha-box { background: var(--board); border: 1.5px solid rgba(240,237,230,.14); border-radius: 10px; padding: 1rem 1.2rem; display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; position: relative; overflow: hidden; }
  .captcha-box::before { content: ''; position: absolute; inset: 0; pointer-events: none; background-image: repeating-linear-gradient(0deg, transparent, transparent 14px, rgba(240,237,230,.025) 14px, rgba(240,237,230,.025) 15px); }
  .captcha-text { font-family: 'Courier New', monospace; font-size: 1.4rem; font-weight: 900; letter-spacing: .25em; color: var(--chalk); padding: .4rem .9rem; background: rgba(240,237,230,.08); border: 1px dashed rgba(240,237,230,.2); border-radius: 6px; user-select: none; position: relative; z-index: 1; min-width: 140px; text-align: center; }
  .captcha-refresh { background: none; border: 1.5px solid rgba(240,237,230,.2); border-radius: 6px; color: var(--chalk-dim); font-size: .78rem; font-weight: 700; font-family: 'Plus Jakarta Sans', sans-serif; padding: .4rem .75rem; cursor: pointer; transition: all .2s; position: relative; z-index: 1; white-space: nowrap; }
  .captcha-refresh:hover { border-color: var(--yellow); color: var(--yellow); }
  .captcha-input { flex: 1; min-width: 120px; position: relative; z-index: 1; }
  .captcha-input .form-control { background: rgba(255,255,255,.08); border-color: rgba(240,237,230,.15); color: var(--chalk); }
  .captcha-input .form-control::placeholder { color: rgba(240,237,230,.3); }
  .captcha-input .form-control:focus { background: rgba(255,255,255,.12); border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(245,200,66,.12); }
  .btn-submit { background: var(--yellow); color: var(--board-dark); font-weight: 800; font-size: 1rem; font-family: 'Plus Jakarta Sans', sans-serif; border: none; border-radius: 8px; padding: .9rem 2rem; transition: all .2s; cursor: pointer; letter-spacing: -.01em; width: 100%; }
  .btn-submit:hover { background: var(--yellow-hover); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(245,200,66,.3); }
  .err-msg { font-size: .78rem; font-weight: 700; color: #dc3545; margin-top: .3rem; display: none; }
  .err-msg.show { display: block; }
  .input-err { border-color: #dc3545 !important; }
  .form-success { display: none; background: #f0faf4; border: 1.5px solid #a3d9b8; border-radius: 10px; padding: 2rem; text-align: center; }
  .form-success.show { display: block; }

  /* CTA BOX */
  .cta-box { background: rgba(240,237,230,.06); border: 1.5px solid rgba(240,237,230,.14); border-radius: 14px; padding: 2.2rem; }
  .clink { display: flex; align-items: center; gap: .6rem; background: rgba(240,237,230,.07); border: 1.5px solid rgba(240,237,230,.14); border-radius: 8px; padding: .7rem 1.1rem; text-decoration: none; color: white; font-size: .86rem; font-weight: 700; transition: all .2s; }
  .clink:hover { border-color: var(--yellow); color: var(--yellow); background: rgba(245,200,66,.08); }
  .clink-icon { font-size: 1.1rem; }
  .clink-small { font-size: .73rem; font-weight: 600; color: rgba(240,237,230,.35); display: block; margin-top: .05rem; }

  /* FOOTER */
  footer { background: var(--board-dark); padding: 1.8rem 0; border-top: 4px solid var(--wood); }
  .footer-brand { font-size: .95rem; font-weight: 900; color: var(--chalk-dim); }
  .footer-brand span { color: var(--yellow); }
  footer p { font-size: .78rem; color: rgba(240,237,230,.3); font-weight: 600; margin: 0; }
  footer a { color: rgba(240,237,230,.4); text-decoration: none; }
  footer a:hover { color: var(--yellow); }

  /* ANIMATIONS */
  .fi { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
  .fi.vis { opacity: 1; transform: none; }
  .d1{transition-delay:.08s} .d2{transition-delay:.16s} .d3{transition-delay:.24s}
  .d4{transition-delay:.32s} .d5{transition-delay:.4s}  .d6{transition-delay:.48s}

  @media(max-width:768px){
    .hero { padding: 5rem 0 4rem; }
    .step-grid { grid-template-columns: 1fr; }
    .scard { border-right: none !important; border-bottom: 1px solid rgba(240,237,230,.1) !important; }
    .scard:last-child { border-bottom: none !important; }
    .tray-sep { display: none; }
    .form-wrap { padding: 1.5rem; }
  }