:root{
    --white:#FFFFFF;
    --pale:#F1F7FC;
    --pale-alt:#E4EFF9;
    --ice:#D8EBFA;
    --navy:#123152;
    --slate:#4C6479;
    --blue:#1C6FA5;
    --blue-hover:#155585;
    --blue-deep:#0E4A78;
    --sky:#4FA8D8;
    --murky:#A9BFD1;
    --green:#2E8F5B;
    --line:rgba(18,49,82,0.14);
    --line-on-blue:rgba(255,255,255,0.22);
    --radius:10px;
    --radius-sm:6px;
    --shadow:0 10px 30px rgba(18,49,82,0.10);
    --maxw:1180px;
    font-size:16px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--pale);
    color:var(--navy);
    font-family:'Inter',system-ui,sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Zilla Slab',Georgia,serif;
    font-weight:700;
    line-height:1.12;
    margin:0 0 0.5em;
    letter-spacing:-0.01em;
    color:var(--navy);
  }
  p{margin:0 0 1em;color:var(--slate);}
  a{color:inherit;}
  img,svg{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;}
  .mono{font-family:'IBM Plex Mono',monospace;}

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

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
  section{padding:88px 0;}
  @media (max-width:720px){section{padding:64px 0;}}

  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    text-transform:uppercase;
    letter-spacing:0.14em;
    font-size:0.74rem;
    font-weight:600;
    color:var(--blue);
    margin-bottom:0.9em;
    display:inline-flex;
    align-items:center;
    gap:8px;
  }
  .eyebrow::before{
    content:"";
    width:18px;height:1px;
    background:currentColor;
  }
  .on-blue .eyebrow{color:var(--sky);}

  .section-head{max-width:640px;margin-bottom:48px;}
  .section-head h2{font-size:clamp(1.9rem,2.4vw + 1rem,2.6rem);}
  .section-head p{font-size:1.05rem;max-width:52ch;color:var(--slate);}

  .on-blue{background:var(--blue-deep);color:var(--pale);}
  .on-blue h1,.on-blue h2,.on-blue h3,.on-blue h4{color:var(--white);}
  .on-blue p{color:rgba(241,247,252,0.78);}

  .alt{background:var(--pale-alt);}

  /* ---------- NAV ---------- */
  header.site{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,0.96);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 24px;max-width:var(--maxw);margin:0 auto;
  }
  .logo{
    font-family:'Zilla Slab',serif;font-weight:700;font-size:1.4rem;
    color:var(--navy);text-decoration:none;letter-spacing:-0.01em;
    display:flex;align-items:center;gap:8px;
  }
  .nav-right{display:flex;align-items:center;gap:14px;}
  .phone{
    font-family:'IBM Plex Mono',monospace;font-size:0.88rem;color:var(--slate);
    text-decoration:none;white-space:nowrap;
  }

  .nav-menu-wrap{position:relative;}
  .menu-trigger{
    display:flex;align-items:center;gap:7px;background:none;
    border:1px solid var(--line);border-radius:20px;padding:9px 16px;
    font-family:'Inter',sans-serif;font-size:0.92rem;font-weight:600;color:var(--navy);
    cursor:pointer;
  }
  .menu-trigger:hover{border-color:var(--blue);color:var(--blue);}
  .menu-trigger svg{width:13px;height:13px;transition:transform .2s ease;}
  .menu-trigger[aria-expanded="true"] svg{transform:rotate(180deg);}
  .menu-panel{
    position:absolute;top:calc(100% + 10px);left:0;
    background:var(--white);border:1px solid var(--line);border-radius:12px;
    box-shadow:var(--shadow);padding:8px;min-width:230px;
    display:flex;flex-direction:column;gap:2px;
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity .18s ease, transform .18s ease, visibility .18s;
    z-index:60;
  }
  .menu-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
  .menu-panel a{
    padding:11px 14px;border-radius:8px;color:var(--navy);text-decoration:none;
    font-size:0.94rem;font-weight:500;
  }
  .menu-panel a:hover{background:var(--pale-alt);color:var(--blue);}

  @media (max-width:640px){
    .phone{display:none;}
  }

  /* ---------- BUTTONS ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:var(--radius-sm);
    font-weight:600;font-size:0.98rem;text-decoration:none;border:1px solid transparent;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  }
  .btn:hover{transform:translateY(-1px);}
  .btn-primary{background:var(--blue);color:var(--white);}
  .btn-primary:hover{background:var(--blue-hover);}
  .btn-ghost-ink{border-color:var(--line);color:var(--navy);background:transparent;}
  .btn-ghost-ink:hover{border-color:var(--blue);color:var(--blue);}
  .btn-teal{background:var(--blue-deep);color:var(--white);}
  .btn-teal:hover{background:var(--navy);}
  .btn-outline{border-color:var(--line);color:var(--navy);background:transparent;}
  .btn-outline:hover{border-color:var(--blue);color:var(--blue);}
  .btn-block{width:100%;}

  /* ---------- HERO ---------- */
  .hero{padding-top:64px;padding-bottom:72px;background:linear-gradient(180deg,var(--pale) 0%,var(--white) 100%);}
  .hero-text{max-width:660px;}
  .hero h1{font-size:clamp(2.2rem,3.4vw + 1rem,3.6rem);}
  .hero .lede{font-size:1.14rem;color:var(--slate);max-width:46ch;}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 36px;}
  .trust-strip{display:flex;gap:28px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line);}
  .trust-item{display:flex;align-items:center;gap:10px;font-size:0.88rem;color:var(--slate);}
  .trust-item svg{width:18px;height:18px;flex-shrink:0;color:var(--blue);}

  /* Filter journey diagram */
  .filter-journey{
    margin-top:44px;background:var(--white);border:1px solid var(--line);
    border-radius:16px;padding:28px 24px 22px;box-shadow:var(--shadow);
    max-width:420px;
  }
  .filter-journey-scroll svg{display:block;width:100%;height:auto;margin:0 auto;}
  .filter-journey-caption{font-size:0.82rem;color:var(--slate);margin-top:14px;margin-bottom:0;max-width:64ch;}

  /* ---------- PROBLEM CARDS ---------- */
  .card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  @media (max-width:860px){.card-grid-3{grid-template-columns:1fr;}}
  .stat-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 26px;
  }
  .stat-card svg{width:26px;height:26px;color:var(--blue);margin-bottom:16px;}
  .stat-card h3{font-size:1.15rem;margin-bottom:0.5em;}
  .stat-card p{font-size:0.95rem;margin-bottom:0;}

  .founder-block{display:flex;gap:26px;align-items:flex-start;max-width:760px;}
  .founder-avatar{
    width:52px;height:52px;border-radius:50%;background:var(--blue);color:var(--white);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:0.88rem;
  }
  .founder-kicker{font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:0.12em;font-size:0.72rem;color:var(--blue);margin-bottom:12px;font-weight:600;}
  .founder-quote{font-family:'Zilla Slab',serif;font-size:1.22rem;line-height:1.5;color:var(--navy);margin-bottom:14px;font-weight:500;}
  .founder-sign{font-size:0.92rem;color:var(--slate);margin-bottom:0;}
  @media (max-width:600px){.founder-block{flex-direction:column;gap:16px;}}

  .specialist-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:44px;
    margin-top:44px;padding-top:36px;border-top:1px solid var(--line);
  }
  @media (max-width:860px){.specialist-grid{grid-template-columns:1fr;gap:30px;}}
  .specialist-copy h3{font-size:1.05rem;margin-bottom:10px;}
  .specialist-copy p{font-size:0.94rem;}
  .specialist-copy ul{list-style:none;margin:14px 0 0;padding:0;}
  .specialist-copy li{
    display:flex;gap:10px;align-items:flex-start;font-size:0.9rem;padding:9px 0;
    border-top:1px solid var(--line);color:var(--navy);
  }
  .specialist-copy li:first-child{border-top:none;}
  .specialist-copy li svg{width:16px;height:16px;color:var(--green);flex-shrink:0;margin-top:2px;}

  .chlorine-note{
    display:flex;gap:20px;align-items:flex-start;
    background:var(--ice);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 28px;margin-top:24px;
  }
  .chlorine-note svg{width:28px;height:28px;color:var(--blue);flex-shrink:0;margin-top:2px;}
  .chlorine-note h3{font-size:1.05rem;margin-bottom:0.4em;}
  .chlorine-note p{font-size:0.95rem;margin-bottom:0;max-width:66ch;}

  /* ---------- FREE TEST STEPS ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
  @media (max-width:860px){.steps{grid-template-columns:1fr;}}
  .step{position:relative;padding-top:8px;}
  .step .num{
    font-family:'IBM Plex Mono',monospace;font-size:0.85rem;font-weight:600;
    color:var(--blue);background:var(--ice);
    width:34px;height:34px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  }
  .step h3{font-size:1.08rem;}
  .step p{font-size:0.95rem;}
  .test-cta-row{display:flex;align-items:center;gap:18px;margin-top:36px;flex-wrap:wrap;}
  .test-cta-row .note{font-size:0.88rem;color:var(--slate);}

  /* ---------- HOW IT WORKS / FLOW ---------- */
  .flow-wrap{position:relative;margin-top:16px;}
  .flow-line{
    position:absolute;left:34px;right:34px;top:34px;height:2px;
    background:linear-gradient(to right, var(--murky) 0%, var(--green) 40%, var(--blue) 70%, var(--navy) 100%);
    opacity:0.55;
  }
  @media (max-width:980px){.flow-line{display:none;}}
  .flow-row{
    display:flex;gap:18px;position:relative;z-index:1;flex-wrap:wrap;
  }
  .flow-card{
    flex:1 1 150px;min-width:150px;
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px 16px;box-shadow:0 4px 14px rgba(18,49,82,0.05);
  }
  .flow-card .badge{
    width:34px;height:34px;border-radius:50%;
    background:var(--ice);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;margin-bottom:14px;
    font-family:'IBM Plex Mono',monospace;font-size:0.82rem;color:var(--blue);
  }
  .flow-card svg{width:20px;height:20px;color:var(--blue);margin-bottom:10px;}
  .flow-card h4{font-size:0.98rem;margin-bottom:0.4em;}
  .flow-card p{font-size:0.83rem;color:var(--slate);margin-bottom:12px;}
  .tier-tag{
    display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:0.68rem;
    text-transform:uppercase;letter-spacing:0.06em;
    padding:3px 8px;border-radius:20px;border:1px solid;
  }
  .tier-tag.all{border-color:rgba(46,143,91,0.35);color:var(--green);background:rgba(46,143,91,0.07);}
  .tier-tag.plus{border-color:rgba(28,111,165,0.35);color:var(--blue);background:rgba(28,111,165,0.07);}
  .tier-tag.premium{border-color:rgba(18,49,82,0.35);color:var(--navy);background:rgba(18,49,82,0.06);}

  .flow-legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;padding-top:22px;border-top:1px solid var(--line);}
  .flow-legend .item{display:flex;align-items:center;gap:8px;font-size:0.84rem;color:var(--slate);}
  .flow-legend .dot{width:10px;height:10px;border-radius:50%;}

  .removed-heading{margin-top:44px;padding-top:36px;border-top:1px solid var(--line);}
  .removed-heading h3{font-size:1.15rem;margin-bottom:0.3em;}
  .removed-heading p{font-size:0.92rem;max-width:62ch;}
  .removed-grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
  .removed-chip{
    display:flex;align-items:center;gap:10px;
    background:var(--white);border:1px solid var(--line);border-radius:30px;
    padding:10px 16px 10px 12px;font-size:0.87rem;color:var(--navy);font-weight:500;
  }
  .removed-chip svg{width:18px;height:18px;color:var(--green);flex-shrink:0;}
  .removed-chip .tag-uv{font-family:'IBM Plex Mono',monospace;font-size:0.66rem;color:var(--slate);margin-left:4px;text-transform:uppercase;}

  /* ---------- PRICING ---------- */
  .compare-conventional{max-width:900px;margin-bottom:56px;}
  .compare-conventional .lead{font-size:1rem;max-width:66ch;margin-bottom:22px;}

  .pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
  @media (max-width:980px){.pricing-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto;}}
  .price-card{
    background:var(--white);border:1px solid var(--line);border-radius:14px;
    padding:32px 28px;display:flex;flex-direction:column;position:relative;
  }
  .price-card.featured{
    border-color:var(--blue);box-shadow:var(--shadow);
    background:linear-gradient(180deg,#EEF6FC,#FFFFFF 30%);
  }
  .ribbon{
    position:absolute;top:-13px;left:28px;
    background:var(--blue);color:var(--white);
    font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.06em;text-transform:uppercase;
    padding:5px 12px;border-radius:20px;
  }
  .ribbon.ribbon-alt{background:var(--green);}
  .price-card .tier-name{font-family:'IBM Plex Mono',monospace;font-size:0.78rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--blue);margin-bottom:10px;}
  .price-card h3{font-size:1.5rem;margin-bottom:4px;}
  .price-card .tagline{font-size:0.92rem;color:var(--slate);margin-bottom:6px;}
  .price-card .upgrade-note{font-size:0.82rem;color:var(--green);font-weight:600;margin-bottom:18px;}
  .price-card .price{font-family:'IBM Plex Mono',monospace;font-size:2.1rem;font-weight:600;color:var(--navy);margin-bottom:2px;}
  .price-card .includes-line{font-size:0.86rem;color:var(--slate);margin-bottom:22px;}
  .feature-list{list-style:none;margin:0 0 26px;padding:0;flex-grow:1;}
  .feature-list li{
    display:flex;gap:10px;align-items:flex-start;font-size:0.92rem;padding:8px 0;
    border-top:1px solid var(--line);color:var(--navy);
  }
  .feature-list li:first-child{border-top:none;}
  .feature-list li svg{width:17px;height:17px;color:var(--green);flex-shrink:0;margin-top:2px;}
  .feature-list li.included-base svg{color:var(--green);}
  .feature-list li strong{font-weight:600;}

  /* ---------- ADDON ---------- */
  .addon-card{
    background:var(--pale-alt);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
    max-width:760px;
  }
  .addon-left{display:flex;gap:18px;align-items:flex-start;}
  .addon-left svg{width:28px;height:28px;color:var(--blue);flex-shrink:0;margin-top:2px;}
  .addon-left h3{font-size:1.05rem;margin-bottom:4px;}
  .addon-left p{font-size:0.9rem;margin-bottom:0;max-width:46ch;}
  .addon-price{font-family:'IBM Plex Mono',monospace;font-size:1.3rem;font-weight:600;white-space:nowrap;color:var(--navy);}

  /* ---------- COMPARISON TABLE ---------- */
  .compare-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:0.92rem;}
  .compare-table th,.compare-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
  .compare-table th{font-family:'IBM Plex Mono',monospace;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--slate);font-weight:600;}
  .compare-table td.check{text-align:center;}
  .compare-table svg{width:16px;height:16px;color:var(--green);margin:0 auto;}
  .compare-table .dash{color:rgba(18,49,82,0.28);}
  .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:8px 18px;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:760px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;background:none;border:0;padding:20px 4px;text-align:left;
    display:flex;justify-content:space-between;align-items:center;gap:16px;
    font-size:1.02rem;font-weight:600;color:var(--navy);
  }
  .faq-q svg{width:18px;height:18px;color:var(--blue);flex-shrink:0;transition:transform .2s ease;}
  .faq-item.open .faq-q svg{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
  .faq-a p{padding:0 4px 20px;font-size:0.95rem;max-width:65ch;}

  /* ---------- BOOKING FORM ---------- */
  .booking-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
  @media (max-width:900px){.booking-grid{grid-template-columns:1fr;}}
  .booking-form{
    background:var(--white);border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:var(--shadow);
  }
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:0.85rem;color:var(--slate);margin-bottom:6px;}
  .field input,.field select{
    width:100%;padding:12px 14px;border-radius:var(--radius-sm);
    border:1px solid var(--line);background:var(--pale);color:var(--navy);
    font-family:'Inter',sans-serif;font-size:0.95rem;
  }
  .field input::placeholder{color:rgba(18,49,82,0.32);}
  .field input:focus,.field select:focus{border-color:var(--blue);}
  .radio-row{display:flex;gap:10px;flex-wrap:wrap;}
  .radio-pill{
    border:1px solid var(--line);border-radius:20px;padding:9px 16px;font-size:0.86rem;
    cursor:pointer;color:var(--slate);
  }
  .radio-pill input{position:absolute;opacity:0;pointer-events:none;}
  .radio-pill.checked{background:var(--blue);border-color:var(--blue);color:var(--white);font-weight:600;}
  .form-success{display:none;text-align:center;padding:40px 10px;}
  .form-success.show{display:block;}
  .form-success svg{width:44px;height:44px;color:var(--green);margin:0 auto 16px;}
  .form-note{font-size:0.8rem;color:var(--slate);margin-top:14px;}

  .list-plain{list-style:none;margin:24px 0 0;padding:0;}
  .list-plain.standard-checklist{max-width:640px;}
  .list-plain li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:0.95rem;color:var(--navy);}
  .list-plain li:first-child{border-top:none;}
  .list-plain svg{width:18px;height:18px;color:var(--green);flex-shrink:0;margin-top:2px;}

  /* ---------- TESTIMONIALS ---------- */
  .testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  @media (max-width:860px){.testimonial-grid{grid-template-columns:1fr;}}
  .testimonial{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;}
  .testimonial p.quote{font-size:0.98rem;color:var(--navy);margin-bottom:16px;}
  .testimonial .who{font-family:'IBM Plex Mono',monospace;font-size:0.8rem;color:var(--slate);}

  /* ---------- FINAL CTA ---------- */
  .final-cta{text-align:center;padding:96px 0;background:var(--ice);}
  .final-cta h2{font-size:clamp(2rem,3vw + 1rem,3rem);max-width:16ch;margin:0 auto 0.5em;}
  .final-cta p{max-width:46ch;margin:0 auto 32px;}

  /* ---------- FOOTER ---------- */
  footer{background:var(--blue-deep);border-top:1px solid var(--line-on-blue);padding:56px 0 28px;color:var(--pale);}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-on-blue);}
  @media (max-width:720px){.footer-grid{grid-template-columns:1fr;gap:32px;}}
  .footer-brand p{color:rgba(241,247,252,0.68);font-size:0.9rem;max-width:32ch;}
  .footer-brand .logo{color:var(--white);}
  footer h4{color:var(--white);font-size:0.85rem;text-transform:uppercase;letter-spacing:0.06em;font-family:'IBM Plex Mono',monospace;margin-bottom:16px;}
  footer ul{list-style:none;margin:0;padding:0;}
  footer li{margin-bottom:10px;}
  footer a{color:rgba(241,247,252,0.75);text-decoration:none;font-size:0.92rem;}
  footer a:hover{color:var(--sky);}
  .footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;flex-wrap:wrap;gap:12px;}
  .footer-bottom p{margin:0;font-size:0.82rem;color:rgba(241,247,252,0.5);}

  /* Mobile sticky CTA */
  .mobile-sticky{
    display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;
    background:var(--white);border-top:1px solid var(--line);
    padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));
  }
  @media (max-width:720px){.mobile-sticky{display:block;}
    body{padding-bottom:76px;}
  }

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{transition-duration:0.001ms !important; animation-duration:0.001ms !important;}
  }

  .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease, transform .5s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}


  /* Home page explore cards */
  .explore-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  @media (max-width:860px){.explore-grid{grid-template-columns:1fr;}}
  .explore-card{
    display:block;text-decoration:none;background:var(--white);border:1px solid var(--line);
    border-radius:var(--radius);padding:24px 22px;transition:border-color .15s ease, transform .15s ease;
  }
  .explore-card:hover{border-color:var(--blue);transform:translateY(-2px);}
  .explore-card svg{width:22px;height:22px;color:var(--blue);margin-bottom:14px;}
  .explore-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--navy);}
  .explore-card p{font-size:0.88rem;color:var(--slate);margin-bottom:0;}
  .explore-card .go{font-family:'IBM Plex Mono',monospace;font-size:0.78rem;color:var(--blue);margin-top:12px;display:block;}

  /* Blog & Areas listing */
  .post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  @media (max-width:720px){.post-grid{grid-template-columns:1fr;}}
  .post-card{
    display:block;text-decoration:none;background:var(--white);border:1px solid var(--line);
    border-radius:var(--radius);padding:26px 24px;transition:border-color .15s ease, transform .15s ease;
  }
  .post-card:hover{border-color:var(--blue);transform:translateY(-2px);}
  .post-card .tag{font-family:'IBM Plex Mono',monospace;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--blue);margin-bottom:10px;display:block;}
  .post-card h3{font-size:1.12rem;margin-bottom:8px;color:var(--navy);}
  .post-card p{font-size:0.92rem;color:var(--slate);margin-bottom:0;}
  .post-card .go{font-family:'IBM Plex Mono',monospace;font-size:0.78rem;color:var(--blue);margin-top:14px;display:block;}

  .area-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  @media (max-width:860px){.area-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:520px){.area-grid{grid-template-columns:1fr;}}
  .area-card{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    text-decoration:none;background:var(--white);border:1px solid var(--line);
    border-radius:var(--radius-sm);padding:18px 20px;transition:border-color .15s ease;
  }
  .area-card:hover{border-color:var(--blue);}
  .area-card span{font-weight:600;color:var(--navy);font-size:0.98rem;}
  .area-card svg{width:16px;height:16px;color:var(--blue);flex-shrink:0;}

  .breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:0.82rem;color:var(--slate);margin-bottom:18px;}
  .breadcrumb a{color:var(--blue);text-decoration:none;}
  .breadcrumb a:hover{text-decoration:underline;}

  .post-body{max-width:68ch;}
  .post-body p{font-size:1rem;margin-bottom:1.2em;}
  .post-body h2{font-size:1.4rem;margin-top:1.6em;}
  .post-meta{font-family:'IBM Plex Mono',monospace;font-size:0.8rem;color:var(--slate);margin-bottom:28px;}

/* Logo image */
.logo-icon{height:30px;width:auto;display:block;}
.footer-brand .logo{margin-bottom:14px;display:inline-flex;align-items:center;gap:8px;}
.footer-brand .logo-icon{height:38px;}
.footer-brand .logo{font-size:1.6rem;}

/* WhatsApp floating button */
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(0,0,0,0.28);z-index:70;transition:transform .15s ease;
}
.whatsapp-float:hover{transform:scale(1.08);}
.whatsapp-float svg{width:28px;height:28px;}
@media (max-width:720px){
  .whatsapp-float{bottom:90px;right:16px;width:50px;height:50px;}
  .whatsapp-float svg{width:25px;height:25px;}
}