:root{
    --paper: #F2EFE0;
    --paper-soft: #EAE6D4;
    --rule-green: rgba(47,110,82,0.35);
    --ink: #1F2A3C;
    --ink-soft: #4A5568;
    --ledger-green: #2F6E52;
    --ledger-green-dark: #234f3c;
    --stamp-red: #A6392A;
    --stamp-red-dark: #872D21;
    --gold: #B98526;
    --white: #FFFFFF;
    --radius: 6px;
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }

  body{
    margin:0;
    background: var(--paper);
    color: var(--ink);
    font-family: 'Work Sans', sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }

  h1,h2,h3{
    font-family: 'Archivo Black', sans-serif;
    font-weight: 400;
    line-height: 1.1;
    margin: 0 0 0.5em 0;
    letter-spacing: -0.01em;
  }

  .mono{ font-family: 'IBM Plex Mono', monospace; }

  a{ color: inherit; }
  img,svg{ display:block; max-width:100%; }

  .wrap{
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
  }

  section{ scroll-margin-top: 84px; }

  /* ---------- Ledger paper texture ---------- */
  .ledger-bg{
    background-image:
      repeating-linear-gradient(
        to bottom,
        transparent, transparent 37px,
        var(--rule-green) 37px, var(--rule-green) 38px
      );
    position: relative;
  }
  .ledger-bg::before{
    content:"";
    position:absolute; top:0; bottom:0; left:64px;
    width:2px;
    background: rgba(166,57,42,0.28);
    pointer-events:none;
  }
  @media (max-width:640px){
    .ledger-bg::before{ left:32px; }
  }

  /* ---------- Header ---------- */
  header{
    position: sticky; top:0; z-index: 50;
    background: rgba(242,239,224,0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(31,42,60,0.12);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding: 14px 24px;
    max-width: 1120px; margin:0 auto;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
    font-family:'Archivo Black', sans-serif;
    font-size: 1.15rem;
    text-decoration:none;
  }
  .brand-mark{
    width:34px; height:34px; border-radius:50%;
    border: 2px solid var(--ledger-green);
    display:flex; align-items:center; justify-content:center;
    color: var(--ledger-green);
    font-size: 0.65rem;
    transform: rotate(-8deg);
    flex-shrink:0;
  }
  .nav-links{
    display:flex; gap: 28px; list-style:none; margin:0; padding:0;
    font-size: 0.92rem; font-weight:600;
  }
  .nav-links a{ text-decoration:none; opacity:0.85; }
  .nav-links a:hover{ opacity:1; color:var(--ledger-green); }

  .nav-cta{
    background: var(--ledger-green);
    color:#fff; text-decoration:none;
    padding: 9px 16px; border-radius: var(--radius);
    font-weight:700; font-size:0.88rem;
    white-space:nowrap;
  }
  .nav-cta:hover{ background: var(--ledger-green-dark); }

  .menu-btn{
    display:none; background:none; border:none; cursor:pointer;
    color:var(--ink); padding:6px;
  }

  @media (max-width: 860px){
    .nav-links{ display:none; }
    .menu-btn{ display:block; }
    .nav-cta{ display:none; }
  }

  .mobile-menu{
    display:none;
    flex-direction:column;
    padding: 8px 24px 18px;
    gap: 14px;
    border-top: 1px solid rgba(31,42,60,0.1);
  }
  .mobile-menu.open{ display:flex; }
  .mobile-menu a{ text-decoration:none; font-weight:600; }
  .mobile-menu .nav-cta{ display:inline-block; width:fit-content; }

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding: 14px 26px;
    border-radius: var(--radius);
    text-decoration:none;
    font-weight:700; font-size:1rem;
    border: 2px solid transparent;
    cursor:pointer;
    transition: transform 0.15s ease;
  }
  .btn:hover{ transform: translateY(-2px); }
  .btn:focus-visible{ outline: 3px solid var(--gold); outline-offset:2px; }

  .btn-primary{ background: var(--stamp-red); color:#fff; }
  .btn-primary:hover{ background: var(--stamp-red-dark); }

  .btn-ghost{
    background: transparent; border-color: var(--ink);
    color: var(--ink);
  }
  .btn-ghost:hover{ background: rgba(31,42,60,0.06); }

  .btn-light{ background:#fff; color:var(--ink); }
  .btn-light:hover{ background: var(--paper-soft); }

  /* ---------- Hero ---------- */
  .hero{
    padding: 90px 0 70px;
  }
  .hero-grid{
    display:grid; grid-template-columns: 1.15fr 0.85fr;
    gap: 48px; align-items:center;
  }
  @media (max-width: 860px){
    .hero-grid{ grid-template-columns: 1fr; }
    .hero{ padding: 56px 0 48px; }
  }

  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem; letter-spacing:0.06em; text-transform:uppercase;
    color: var(--ledger-green-dark);
    background: rgba(47,110,82,0.1);
    padding: 5px 12px; border-radius: 999px;
    margin-bottom: 18px;
  }

  .hero h1{ font-size: clamp(2.1rem, 4.5vw, 3.2rem); color: var(--ink); }
  .hero h1 span{ color: var(--stamp-red); }

  .hero p.lead{
    font-size: 1.12rem; color: var(--ink-soft);
    max-width: 46ch; margin: 18px 0 30px;
  }

  .hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 16px; }

  .trust-line{
    font-size:0.9rem; color: var(--ink-soft);
    font-family:'IBM Plex Mono', monospace;
  }
  .trust-line strong{ color: var(--stamp-red); }

  /* stamp badge */
  .stamp-wrap{
    display:flex; align-items:center; justify-content:center;
  }
  .stamp{
    position:relative; width: 250px; height:250px;
    transform: rotate(-6deg);
  }
  .stamp svg{ width:100%; height:100%; }
  .stamp-ring{ fill:none; stroke:var(--stamp-red); stroke-width:2.5; }
  .stamp-ring-inner{ fill:none; stroke:var(--stamp-red); stroke-width:1.4; stroke-dasharray: 4 4; }
  .stamp-text{
    font-family:'IBM Plex Mono', monospace;
    font-size: 11.5px; letter-spacing: 2px; fill: var(--stamp-red);
    text-transform: uppercase;
  }
  .stamp-center{
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    flex-direction:column; text-align:center; color:var(--stamp-red);
  }
  .stamp-center strong{ font-family:'Archivo Black', sans-serif; font-size:1.3rem; line-height:1.1; }
  .stamp-center span{ font-family:'IBM Plex Mono', monospace; font-size:0.7rem; margin-top:4px; }

  @media (prefers-reduced-motion: no-preference){
    .stamp{ animation: stamp-in 0.6s ease-out; }
  }
  @keyframes stamp-in{
    from{ opacity:0; transform: rotate(-6deg) scale(0.85); }
    to{ opacity:1; transform: rotate(-6deg) scale(1); }
  }

  /* ---------- Section heading ---------- */
  .section{ padding: 72px 0; }
  .section-head{ max-width: 640px; margin-bottom: 44px; }
  .section-head .eyebrow{ margin-bottom: 14px; }
  .section-head h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
  .section-head p{ color: var(--ink-soft); font-size:1.02rem; }

  /* ---------- Masalah (pain points) ---------- */
  .pain-grid{
    display:grid; grid-template-columns: repeat(3,1fr); gap:24px;
  }
  @media (max-width:760px){ .pain-grid{ grid-template-columns:1fr; } }

  .pain-card{
    background:#fff; border-radius: var(--radius);
    padding: 26px 24px;
    border: 1px solid rgba(31,42,60,0.08);
  }
  .pain-icon{
    width:42px; height:42px; margin-bottom:16px;
    color: var(--stamp-red);
  }
  .pain-card h3{ font-size:1.05rem; font-family:'Work Sans',sans-serif; font-weight:700; margin-bottom:8px; }
  .pain-card p{ color: var(--ink-soft); font-size:0.94rem; margin:0; }

  /* ---------- Layanan ---------- */
  .service-grid{
    display:grid; grid-template-columns: repeat(4,1fr); gap:20px;
  }
  @media (max-width:960px){ .service-grid{ grid-template-columns: repeat(2,1fr); } }
  @media (max-width:560px){ .service-grid{ grid-template-columns: 1fr; } }

  .service-card{
    padding: 24px 20px;
    border-radius: var(--radius);
    background: var(--paper-soft);
    border: 1px solid rgba(31,42,60,0.08);
    display:flex; flex-direction:column; gap:12px;
  }
  .service-icon{
    width:38px; height:38px; color:var(--ledger-green);
  }
  .service-card h3{ font-size:1rem; font-family:'Work Sans',sans-serif; font-weight:700; }
  .service-card p{ font-size:0.9rem; color:var(--ink-soft); margin:0; }

  /* ---------- Pricing (nota style) ---------- */
  .pricing-grid{
    display:grid; grid-template-columns: repeat(3,1fr); gap: 26px;
    align-items: stretch;
  }
  @media (max-width:900px){ .pricing-grid{ grid-template-columns:1fr; max-width:440px; margin:0 auto; } }

  .nota{
    background:#fff;
    border-radius: 2px;
    position:relative;
    padding: 34px 26px 28px;
    border: 1px solid rgba(31,42,60,0.1);
    display:flex; flex-direction:column;
  }
  .nota::before{
    content:"";
    position:absolute; top:-9px; left:0; right:0; height:18px;
    background-image: radial-gradient(circle at 12px 9px, var(--paper) 9px, transparent 9.5px);
    background-size: 24px 18px;
    background-repeat: repeat-x;
  }
  .nota--featured{
    background: var(--ink); color: var(--paper);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(31,42,60,0.18);
  }
  .nota--featured::before{
    background-image: radial-gradient(circle at 12px 9px, var(--paper) 9px, transparent 9.5px);
  }
  @media (max-width:900px){ .nota--featured{ transform:none; } }

  .nota-tag{
    position:absolute; top:14px; right:18px;
    font-family:'IBM Plex Mono', monospace; font-size:0.68rem;
    letter-spacing:0.05em; text-transform:uppercase;
    background: var(--gold); color:#2a1e05;
    padding:4px 9px; border-radius:999px;
  }
  .nota-name{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase;
    color: var(--ledger-green);
  }
  .nota--featured .nota-name{ color:#8FD6B4; }

  .nota h3{
    font-size:1.5rem; margin: 8px 0 2px;
    font-family:'Archivo Black', sans-serif;
  }
  .nota .price{
    font-family:'IBM Plex Mono', monospace;
    font-size:1.5rem; font-weight:600; color: var(--stamp-red);
    margin-bottom:6px;
  }
  .nota--featured .price{ color:#F0B199; }

  .nota .fit{
    font-size:0.85rem; color: var(--ink-soft);
    margin-bottom: 18px;
    padding-bottom:18px;
    border-bottom: 1px dashed rgba(31,42,60,0.2);
  }
  .nota--featured .fit{ color:#C7CEDA; border-bottom-color: rgba(242,239,224,0.25); }

  .nota ul{
    list-style:none; padding:0; margin:0 0 24px 0;
    display:flex; flex-direction:column; gap:11px;
    flex-grow:1;
  }
  .nota li{
    display:flex; gap:9px; font-size:0.92rem; align-items:flex-start;
  }
  .nota li svg{ flex-shrink:0; width:16px; height:16px; margin-top:3px; color: var(--ledger-green); }
  .nota--featured li svg{ color:#8FD6B4; }

  .nota .btn{ justify-content:center; width:100%; }

  .price-note{
    text-align:center; font-size:0.85rem; color:var(--ink-soft);
    margin-top: 28px;
  }

  /* ---------- Cara kerja ---------- */
  .steps{
    display:grid; grid-template-columns: repeat(4,1fr); gap:24px;
  }
  @media (max-width:860px){ .steps{ grid-template-columns: repeat(2,1fr); } }
  @media (max-width:560px){ .steps{ grid-template-columns: 1fr; } }

  .step{ position:relative; padding-top: 8px; }
  .step-num{
    font-family:'Archivo Black', sans-serif;
    font-size:2.2rem; color: rgba(31,42,60,0.14);
    margin-bottom: 6px;
  }
  .step h3{ font-size:1rem; font-family:'Work Sans',sans-serif; font-weight:700; margin-bottom:6px; }
  .step p{ font-size:0.9rem; color:var(--ink-soft); margin:0; }

  /* ---------- Kenapa kami ---------- */
  .why-section{ background: var(--ink); color: var(--paper); }
  .why-grid{
    display:grid; grid-template-columns: repeat(2,1fr); gap: 22px;
  }
  @media (max-width:700px){ .why-grid{ grid-template-columns:1fr; } }
  .why-item{
    display:flex; gap:14px; padding: 18px;
    background: rgba(242,239,224,0.05);
    border: 1px solid rgba(242,239,224,0.12);
    border-radius: var(--radius);
  }
  .why-item svg{ flex-shrink:0; width:22px; height:22px; color:#8FD6B4; margin-top:2px; }
  .why-item h3{ font-size:0.98rem; font-family:'Work Sans',sans-serif; font-weight:700; margin-bottom:4px; }
  .why-item p{ font-size:0.88rem; color:#C7CEDA; margin:0; }
  .why-section .section-head p{ color:#C7CEDA; }
  .why-section .eyebrow{ background: rgba(143,214,180,0.14); color:#8FD6B4; }

  /* ---------- FAQ ---------- */
  .faq-item{
    border-bottom: 1px solid rgba(31,42,60,0.12);
  }
  .faq-q{
    width:100%; text-align:left; background:none; border:none;
    padding: 20px 0; font-family:'Work Sans',sans-serif; font-weight:700;
    font-size:1rem; color:var(--ink);
    display:flex; justify-content:space-between; align-items:center;
    cursor:pointer;
  }
  .faq-q .plus{ font-family:'IBM Plex Mono',monospace; font-size:1.2rem; color:var(--stamp-red); transition: transform 0.2s ease; }
  .faq-item.open .faq-q .plus{ transform: rotate(45deg); }
  .faq-a{
    max-height:0; overflow:hidden; transition: max-height 0.25s ease;
    color: var(--ink-soft); font-size:0.94rem;
  }
  .faq-a p{ margin:0 0 20px 0; max-width: 60ch; }
  .faq-item.open .faq-a{ max-height: 200px; }

  /* ---------- Final CTA ---------- */
  .final-cta{
    background: var(--stamp-red); color:#fff;
    border-radius: var(--radius);
    padding: 52px 40px;
    text-align:center;
    position:relative;
    overflow:hidden;
  }
  .final-cta h2{ color:#fff; font-size: clamp(1.5rem,3vw,2.1rem); }
  .final-cta p{ color:#F6D9D0; max-width:52ch; margin: 12px auto 28px; }
  .final-cta .phone{
    margin-top: 18px; font-family:'IBM Plex Mono',monospace; font-size:0.95rem; color:#F6D9D0;
  }

  /* ---------- Footer ---------- */
  footer{ padding: 40px 0 32px; border-top: 1px solid rgba(31,42,60,0.12); }
  .footer-grid{
    display:flex; justify-content:space-between; align-items:flex-start; gap:24px; flex-wrap:wrap;
  }
  .footer-note{ font-size:0.82rem; color: var(--ink-soft); max-width: 52ch; }
  .footer-links{ display:flex; gap:20px; list-style:none; padding:0; margin:0; font-size:0.88rem; font-weight:600; }
  .footer-links a{ text-decoration:none; }
  .footer-links a:hover{ color: var(--ledger-green); }
  .copyright{ font-size:0.8rem; color: var(--ink-soft); margin-top:22px; }

  /* ---------- Floating WhatsApp ---------- */
  .wa-float{
    position:fixed; bottom:22px; right:22px; z-index:60;
    background: var(--ledger-green); color:#fff;
    width:58px; height:58px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    text-decoration:none;
    box-shadow: 0 8px 22px rgba(31,42,60,0.28);
  }
  .wa-float svg{ width:28px; height:28px; }
  .wa-float:hover{ background: var(--ledger-green-dark); }
  @media (prefers-reduced-motion: no-preference){
    .wa-float{ animation: wa-pulse 2.4s infinite; }
  }
  @keyframes wa-pulse{
    0%{ box-shadow: 0 8px 22px rgba(31,42,60,0.28), 0 0 0 0 rgba(47,110,82,0.5); }
    70%{ box-shadow: 0 8px 22px rgba(31,42,60,0.28), 0 0 0 14px rgba(47,110,82,0); }
    100%{ box-shadow: 0 8px 22px rgba(31,42,60,0.28), 0 0 0 0 rgba(47,110,82,0); }
  }

  ::selection{ background: var(--gold); color:#fff; }