:root{
    --blue-deep:#0A3A56;
    --blue-deep2:#082C42;
    --grid-line:rgba(255,255,255,0.075);
    --cyan:#7FE0F0;
    --cyan-dim:rgba(127,224,240,0.55);
    --paper:#F3F6F2;
    --paper-dim:#E7ECE6;
    --ink:#0C1F17;
    --ink-muted:#54655D;
    --green:#00BE7B;
    --green-ink:#0B7E52;
    --red:#D8432B;
    --radius:10px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--blue-deep);
    color:var(--paper);
    font-family:'Inter',sans-serif;
    line-height:1.55;
    overflow-x:hidden;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  .mono{font-family:'IBM Plex Mono',monospace;}
  .container{max-width:1180px; margin:0 auto; padding:0 24px;}
  section{padding:100px 0;}
  @media(max-width:640px){ section{padding:64px 0;} }
  a:focus-visible, button:focus-visible{outline:2px solid var(--cyan); outline-offset:3px;}

  /* blueprint grid backdrop for dark sections */
  .blueprint-bg{
    background-image:
      linear-gradient(var(--grid-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size:34px 34px;
    background-color:var(--blue-deep);
  }

  h1,h2,h3{
    font-family:'Space Grotesk',sans-serif;
    line-height:1.06;
    font-weight:700;
    letter-spacing:-0.01em;
  }
  h2{font-size:clamp(30px,4.4vw,46px); color:var(--paper); text-transform:uppercase;}
  .light-section h2{color:var(--ink);}
  h3{font-size:19px;}

  .tag{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono',monospace;
    font-size:11.5px; letter-spacing:0.14em; text-transform:uppercase;
    color:var(--cyan); font-weight:600;
  }
  .light-section .tag{color:var(--green-ink);}
  .tag::before{content:""; width:7px; height:7px; background:currentColor; display:inline-block; border-radius:1px; transform:rotate(45deg);}

  /* ================= TICKER ================= */
  .ticker{
    background:var(--blue-deep2);
    border-bottom:1px solid var(--grid-line);
    overflow:hidden; white-space:nowrap;
    padding:9px 0;
  }
  .ticker-track{
    display:inline-flex; gap:48px;
    animation:tickerMove 22s linear infinite;
    font-family:'IBM Plex Mono',monospace;
    font-size:12px; letter-spacing:0.06em; text-transform:uppercase;
    color:var(--cyan);
  }
  .ticker-track span{display:inline-flex; align-items:center; gap:10px; color:var(--paper);}
  .ticker-track b{color:var(--red);}
  @keyframes tickerMove{ from{transform:translateX(0);} to{transform:translateX(-50%);} }
  @media(prefers-reduced-motion:reduce){ .ticker-track{animation:none;} }

  /* ================= NAV / TITLE BLOCK ================= */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(10,58,86,0.92);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--grid-line);
  }
  nav.container{
    display:flex; align-items:center; justify-content:space-between;
    height:76px;
  }
  .brand-chip{
    background:var(--paper); border-radius:8px; padding:6px 14px;
    display:flex; align-items:center;
    border:1px solid rgba(0,0,0,0.06);
  }
  .brand-chip img{height:32px; width:auto;}
  .navlinks{display:flex; gap:30px; align-items:center;}
  .navlinks a{
    font-family:'IBM Plex Mono',monospace;
    font-size:12.5px; letter-spacing:0.06em; text-transform:uppercase;
    color:var(--cyan-dim); font-weight:500;
    transition:color .2s;
  }
  .navlinks a:hover{color:var(--cyan);}
  @media(max-width:880px){ .navlinks{display:none;} }

  /* stamp-style button */
  .stamp-btn{
    font-family:'IBM Plex Mono',monospace;
    font-weight:700; font-size:13px; letter-spacing:0.08em; text-transform:uppercase;
    display:inline-flex; align-items:center; gap:9px;
    padding:12px 22px;
    border:2px solid var(--red);
    border-radius:999px;
    color:var(--red);
    background:transparent;
    transform:rotate(-3deg);
    transition:transform .18s ease, background .18s ease, color .18s ease;
    white-space:nowrap;
  }
  .stamp-btn:hover{transform:rotate(0deg); background:var(--red); color:var(--paper);}
  .stamp-btn.solid{background:var(--red); color:var(--paper);}
  .stamp-btn.solid:hover{background:#c23a24;}
  .stamp-btn.cyan{border-color:var(--cyan); color:var(--cyan);}
  .stamp-btn.cyan:hover{background:var(--cyan); color:var(--blue-deep2);}
  .stamp-btn svg{width:15px; height:15px; flex:none;}

  /* ================= HERO ================= */
  .hero{position:relative; padding:70px 0 90px; border-bottom:1px solid var(--grid-line);}
  .hero-grid{display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center;}
  @media(max-width:940px){ .hero-grid{grid-template-columns:1fr;} }
  .hero h1{
    font-size:clamp(34px,4.6vw,54px);
    text-transform:uppercase;
    color:var(--paper);
    margin:16px 0 20px;
  }
  .hero h1 .hl{color:var(--green);}
  .hero p.sub{color:rgba(243,246,242,0.72); font-size:16.5px; max-width:480px; margin-bottom:30px;}
  .cta-row{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:34px;}
  .measure-strip{display:flex; gap:0; border-top:1px dashed rgba(127,224,240,0.35); padding-top:16px;}
  .measure-item{
    flex:1; padding-right:16px; border-right:1px dashed rgba(127,224,240,0.25);
  }
  .measure-item:last-child{border-right:none;}
  .measure-item .v{font-family:'Space Grotesk',sans-serif; font-size:22px; color:var(--cyan); font-weight:700;}
  .measure-item .l{font-family:'IBM Plex Mono',monospace; font-size:10.5px; color:rgba(243,246,242,0.55); text-transform:uppercase; letter-spacing:0.06em; margin-top:2px;}

  /* house schematic svg */
  .schematic-wrap{position:relative;}
  .schematic-wrap svg{width:100%; height:auto; overflow:visible;}
  .draw{
    stroke-dasharray:900; stroke-dashoffset:900;
    animation:drawLine 1.6s ease forwards;
  }
  .leader{
    stroke-dasharray:260; stroke-dashoffset:260;
    animation:drawLine 0.9s ease forwards;
  }
  @keyframes drawLine{ to{ stroke-dashoffset:0; } }
  .marker-dot{
    animation:dotPulse 2.4s ease-in-out infinite;
    transform-origin:center;
  }
  @keyframes dotPulse{
    0%,100%{ transform:scale(1); opacity:1; }
    50%{ transform:scale(1.6); opacity:0.55; }
  }
  .label-fade{
    opacity:0; animation:labelFade 0.6s ease forwards;
  }
  @keyframes labelFade{ from{opacity:0; transform:translateY(4px);} to{opacity:1; transform:translateY(0);} }
  @media (prefers-reduced-motion: reduce){
    .draw, .leader{ stroke-dashoffset:0; animation:none; }
    .marker-dot{animation:none;}
    .label-fade{opacity:1; animation:none;}
  }

  /* ================= SPECIMEN CARDS (services) ================= */
  .light-section{background:var(--paper); color:var(--ink);}
  .section-head{max-width:620px; margin-bottom:44px;}
  .section-head h2{margin-top:10px;}
  .section-head p{color:var(--ink-muted); font-size:15.5px; margin-top:12px;}

  .specimen-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
  @media(max-width:860px){ .specimen-grid{grid-template-columns:repeat(2,1fr);} }
  @media(max-width:560px){ .specimen-grid{grid-template-columns:1fr;} }

  .specimen-card{
    position:relative;
    background:#fff;
    border:1px solid rgba(12,31,23,0.12);
    border-radius:8px;
    padding:24px 20px 22px;
    overflow:hidden;
  }
  .specimen-card::before{
    content:"";
    position:absolute; top:0; left:0; right:0; height:4px;
    background:repeating-linear-gradient(90deg, rgba(12,31,23,0.22) 0 6px, transparent 6px 12px);
  }
  .specimen-head{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px;}
  .case-no{font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--ink-muted); letter-spacing:0.05em;}
  .specimen-icon{width:38px; height:38px; color:var(--green-ink);}
  .specimen-card h3{text-transform:uppercase; font-size:17px; margin-bottom:8px;}
  .specimen-card p{font-size:13.8px; color:var(--ink-muted);}
  .specimen-stamp{
    position:absolute; bottom:14px; right:14px;
    font-family:'IBM Plex Mono',monospace; font-size:10px; font-weight:700; letter-spacing:0.08em;
    color:var(--red); border:1.5px solid var(--red); border-radius:5px;
    padding:3px 7px; transform:rotate(-8deg) scale(0.85);
    opacity:0; transition:opacity .25s ease, transform .25s ease;
  }
  .specimen-card:hover .specimen-stamp{opacity:1; transform:rotate(-8deg) scale(1);}
  .specimen-card:hover{border-color:rgba(0,190,123,0.4);}

  /* ================= CHECKLIST + SEALS (why us) ================= */
  .why-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;}
  @media(max-width:900px){ .why-grid{grid-template-columns:1fr;} }
  .checklist{display:flex; flex-direction:column; gap:18px;}
  .check-item{display:flex; gap:14px; align-items:flex-start;}
  .checkbox{
    flex:none; width:22px; height:22px; border:2px solid var(--green-ink); border-radius:5px;
    display:flex; align-items:center; justify-content:center; margin-top:2px;
  }
  .checkbox svg{width:13px; height:13px; color:var(--green-ink);}
  .check-item h3{font-size:16px; text-transform:none; margin-bottom:3px;}
  .check-item p{font-size:13.8px; color:var(--ink-muted);}

  .seal-cluster{display:flex; flex-wrap:wrap; gap:16px; justify-content:center;}
  .seal{
    width:130px; height:130px; border-radius:50%;
    border:2.5px solid var(--blue-deep);
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    text-align:center; position:relative;
    background:
      repeating-radial-gradient(circle, transparent 0 6px, rgba(10,58,86,0.05) 6px 7px);
  }
  .seal::before{
    content:""; position:absolute; inset:6px; border:1px dashed rgba(10,58,86,0.4); border-radius:50%;
  }
  .seal:nth-child(odd){ transform:rotate(-6deg); }
  .seal:nth-child(even){ transform:rotate(5deg); }
  .seal .n{font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:21px; color:var(--blue-deep);}
  .seal .l{font-family:'IBM Plex Mono',monospace; font-size:9px; letter-spacing:0.05em; text-transform:uppercase; color:var(--ink-muted); margin-top:3px; padding:0 10px;}

  /* ================= PROCESS RULER ================= */
  .ruler{position:relative; margin-top:10px;}
  .ruler-line{
    position:absolute; top:11px; left:0; right:0; height:1px;
    background:repeating-linear-gradient(90deg, rgba(255,255,255,0.35) 0 1px, transparent 1px 26px);
  }
  .process-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:30px; position:relative;}
  @media(max-width:760px){ .process-grid{grid-template-columns:1fr;} .ruler-line{display:none;} }
  .process-step{position:relative; padding-top:34px;}
  .process-step::before{
    content:""; position:absolute; top:0; left:0; width:22px; height:22px; border-radius:50%;
    background:var(--blue-deep); border:2px solid var(--cyan);
  }
  .process-step .step-tag{
    font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--cyan); letter-spacing:0.08em;
    display:block; margin-bottom:8px; text-transform:uppercase;
  }
  .process-step h3{text-transform:uppercase; margin-bottom:8px; color:var(--paper);}
  .process-step p{color:rgba(243,246,242,0.68); font-size:14.5px;}

  /* ================= AREAS ================= */
  .areas-wrap{display:flex; flex-wrap:wrap; gap:10px;}
  .area-chip{
    display:inline-flex; align-items:center; gap:7px;
    border:1px solid rgba(12,31,23,0.16); border-radius:6px;
    padding:8px 14px; font-size:12.8px; color:var(--ink-muted);
    font-family:'IBM Plex Mono',monospace;
    background:#fff;
  }
  .area-chip svg{width:11px; height:11px; color:var(--green-ink); flex:none;}

  /* ================= FIELD REPORTS (testimonials) ================= */
  .testi-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  @media(max-width:860px){ .testi-grid{grid-template-columns:1fr;} }
  .testi-card{
    background:#fff; border:1px solid rgba(12,31,23,0.12); border-radius:8px;
    padding:22px 22px 20px;
  }
  .testi-head{
    display:flex; justify-content:space-between; align-items:center;
    font-family:'IBM Plex Mono',monospace; font-size:10.5px; color:var(--ink-muted);
    text-transform:uppercase; letter-spacing:0.05em;
    border-bottom:1px dashed rgba(12,31,23,0.18); padding-bottom:10px; margin-bottom:14px;
  }
  .testi-head .stars{color:var(--green-ink); letter-spacing:1px;}
  .testi-card p.quote{font-size:14px; color:var(--ink); margin-bottom:14px;}
  .testi-sign{font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--ink-muted); border-top:1px dashed rgba(12,31,23,0.18); padding-top:10px;}

  /* ================= FINAL CTA / STAMP ================= */
  .final-cta{text-align:center; border-top:1px solid var(--grid-line);}
  .final-cta .tag{display:block; margin-bottom:14px;}
  .final-cta h2{margin-bottom:16px;}
  .final-cta p{color:rgba(243,246,242,0.7); max-width:500px; margin:0 auto 34px;}
  .approval-stamp{
    width:220px; height:220px; margin:0 auto 34px; border-radius:50%;
    border:3px solid var(--green); position:relative;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    transform:rotate(-6deg);
  }
  .approval-stamp::before{
    content:""; position:absolute; inset:10px; border:1.5px dashed rgba(0,190,123,0.55); border-radius:50%;
  }
  .approval-stamp .top-text, .approval-stamp .bottom-text{
    font-family:'IBM Plex Mono',monospace; font-size:10.5px; letter-spacing:0.16em; color:var(--green); text-transform:uppercase;
  }
  .approval-stamp .phone{
    font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:26px; color:var(--paper); margin:8px 0;
  }
  .final-cta .cta-row{justify-content:center;}

  /* ================= TITLE BLOCK FOOTER ================= */
  footer{background:var(--blue-deep2); border-top:1px solid var(--grid-line); padding:0;}
  .titleblock{
    display:grid; grid-template-columns:1.2fr repeat(4,1fr); border-top:1px solid var(--grid-line);
  }
  @media(max-width:760px){ .titleblock{grid-template-columns:1fr 1fr;} }
  .tb-cell{
    padding:18px 20px; border-right:1px solid var(--grid-line); border-bottom:1px solid var(--grid-line);
  }
  .tb-cell:last-child{border-right:none;}
  .tb-label{font-family:'IBM Plex Mono',monospace; font-size:9.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--cyan-dim); margin-bottom:6px;}
  .tb-value{font-family:'IBM Plex Mono',monospace; font-size:13px; color:var(--paper);}
  .tb-logo{display:flex; align-items:center; gap:12px;}
  .tb-logo img{height:30px;}
  footer .foot-bottom{
    padding:16px 20px; text-align:center;
    font-family:'IBM Plex Mono',monospace; font-size:11px; color:rgba(243,246,242,0.5);
  }

  /* ================= STICKY MOBILE BAR ================= */
  .stickybar{
    position:fixed; bottom:0; left:0; right:0; z-index:60;
    display:none; background:var(--blue-deep2);
    border-top:1px solid var(--grid-line);
    padding:10px 14px; gap:10px;
  }
  .stickybar a{
    flex:1; text-align:center; padding:12px 10px; border-radius:8px;
    font-family:'IBM Plex Mono',monospace; font-weight:700; font-size:13px;
    display:flex; align-items:center; justify-content:center; gap:8px;
  }
  .stickybar .call{background:var(--red); color:var(--paper);}
  .stickybar .wa{background:var(--green); color:var(--blue-deep2);}
  .stickybar svg{width:16px; height:16px;}
  @media(max-width:760px){ .stickybar{display:flex;} footer{padding-bottom:70px;} }

  /* ================= PROMO POPUP ================= */
  .promo-overlay{
    position:fixed; inset:0; background:rgba(6,20,30,0.78);
    backdrop-filter:blur(4px);
    display:none; align-items:center; justify-content:center;
    z-index:999; padding:20px;
  }
  .promo-overlay.show{display:flex; animation:fadeIn .25s ease;}
  @keyframes fadeIn{from{opacity:0;} to{opacity:1;}}
  .promo-card{
    position:relative; width:100%; max-width:440px;
    background:var(--paper); color:var(--ink);
    border:1px solid var(--paper-dim); border-radius:20px;
    box-shadow:0 40px 90px rgba(6,20,30,0.45), 0 0 0 1px rgba(255,255,255,0.4) inset;
    padding:38px 32px 30px;
    text-align:center;
    overflow:hidden;
    animation:popIn .4s cubic-bezier(.2,.9,.3,1.2);
  }
  .promo-card::before{
    content:""; position:absolute; top:0; left:0; right:0; height:6px;
    background:linear-gradient(90deg, var(--green) 0%, var(--cyan) 55%, var(--blue-deep) 100%);
  }
  .promo-card::after{
    content:""; position:absolute; top:-60px; right:-60px; width:180px; height:180px;
    background:radial-gradient(circle, rgba(0,190,123,0.14) 0%, rgba(0,190,123,0) 70%);
    pointer-events:none;
  }
  .promo-corner{position:absolute; width:16px; height:16px; border:var(--green-ink) solid; opacity:.55;}
  .promo-corner.tl{top:16px; left:16px; border-width:2px 0 0 2px; border-radius:4px 0 0 0;}
  .promo-corner.br{bottom:16px; right:16px; border-width:0 2px 2px 0; border-radius:0 0 4px 0;}
  @keyframes popIn{from{opacity:0; transform:translateY(24px) scale(.94);} to{opacity:1; transform:translateY(0) scale(1);}}
  .promo-close{
    position:absolute; top:14px; right:14px; width:32px; height:32px; z-index:2;
    border-radius:50%; border:1px solid var(--paper-dim); background:var(--paper);
    color:var(--ink-muted); font-size:15px; line-height:1; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 2px 6px rgba(0,0,0,0.08);
    transition:background .15s, transform .2s, color .15s;
  }
  .promo-close:hover{background:var(--red); color:var(--paper); transform:rotate(90deg);}
  .promo-icon{
    width:64px; height:64px; margin:0 auto 16px;
    border-radius:50%;
    background:linear-gradient(145deg, var(--green) 0%, var(--green-ink) 100%);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 10px 24px rgba(0,190,123,0.35), 0 0 0 6px rgba(0,190,123,0.12);
    animation:iconPop .5s .1s both cubic-bezier(.2,.9,.3,1.4);
  }
  @keyframes iconPop{from{opacity:0; transform:scale(.5) rotate(-12deg);} to{opacity:1; transform:scale(1) rotate(0);}}
  .promo-icon svg{width:30px; height:30px; color:var(--paper);}
  .promo-badge{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:.16em;
    text-transform:uppercase; color:var(--green-ink); border:1px solid var(--green-ink);
    border-radius:20px; padding:5px 14px; margin-bottom:14px;
    background:rgba(0,190,123,0.08);
  }
  .promo-badge::before{content:""; width:6px; height:6px; border-radius:50%; background:var(--green); box-shadow:0 0 0 4px rgba(0,190,123,0.2); animation:pulseDot 1.6s infinite;}
  @keyframes pulseDot{0%,100%{opacity:1;} 50%{opacity:.4;}}
  .promo-card h3{
    font-family:'Space Grotesk',sans-serif; font-size:27px; line-height:1.15;
    margin-bottom:10px; text-transform:uppercase; color:var(--ink); letter-spacing:-0.01em;
  }
  .promo-card h3 span{color:var(--green-ink);}
  .promo-card p{font-size:14.5px; color:var(--ink-muted); margin-bottom:20px; line-height:1.55;}
  .promo-timer{
    display:flex; align-items:center; justify-content:center; gap:8px;
    font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--red);
    margin-bottom:18px; letter-spacing:.04em;
  }
  .promo-timer b{font-size:14px; font-variant-numeric:tabular-nums;}
  .promo-stamp{
    display:flex; align-items:center; justify-content:center; gap:0;
    border:1.5px dashed var(--paper-dim); border-radius:12px;
    padding:14px 10px; margin-bottom:22px; background:var(--paper-dim);
  }
  .promo-stamp .stamp-item{display:flex; align-items:center; gap:10px; padding:0 14px;}
  .promo-stamp .stamp-div{width:1px; align-self:stretch; background:rgba(12,31,23,0.12);}
  .promo-stamp .num{font-family:'Space Grotesk',sans-serif; font-size:22px; font-weight:700; color:var(--ink);}
  .promo-stamp .lbl{font-family:'IBM Plex Mono',monospace; font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-muted); text-align:left; line-height:1.3;}
  .promo-actions{display:flex; gap:12px; flex-wrap:wrap; justify-content:center;}
  .promo-actions a{
    flex:1; min-width:150px; display:flex; align-items:center; justify-content:center; gap:8px;
    font-family:'IBM Plex Mono',monospace; font-weight:700; font-size:13.5px;
    padding:14px 16px; border-radius:9px; text-decoration:none;
    box-shadow:0 6px 16px rgba(0,0,0,0.12);
    transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
  }
  .promo-actions a:hover{transform:translateY(-3px); box-shadow:0 12px 24px rgba(0,0,0,0.2); filter:brightness(1.06);}
  .promo-actions .p-call{background:var(--red); color:var(--paper);}
  .promo-actions .p-wa{background:var(--green); color:var(--blue-deep2);}
  .promo-actions svg{width:16px; height:16px;}
  .promo-fine{margin-top:16px; font-family:'IBM Plex Mono',monospace; font-size:10.5px; color:var(--ink-muted); opacity:.85;}
  @media(max-width:480px){
    .promo-card{padding:32px 22px 24px;}
    .promo-card h3{font-size:22px;}
    .promo-stamp{flex-wrap:wrap; gap:10px 0;}
  }

  /* ═══════════════════════════════════════════════
     MOBILE HERO — ALL DEVICES FIT (320px and up)
  ═══════════════════════════════════════════════ */

  /* Base hero adjustments */
  @media(max-width:940px){
    .hero{ padding:56px 0 64px; }
    .hero-grid{ grid-template-columns:1fr; gap:36px; }
    .hero h1{ font-size:clamp(26px,7vw,44px); margin:14px 0 16px; }
    .hero p.sub{ font-size:15px; max-width:100%; margin-bottom:24px; }
    .schematic-wrap{ max-width:520px; margin:0 auto; }
  }

  /* Small tablets & large phones */
  @media(max-width:640px){
    .hero{ padding:44px 0 52px; }
    .hero h1{ font-size:clamp(22px,8vw,36px); margin:12px 0 14px; line-height:1.12; }
    .hero p.sub{ font-size:14.5px; margin-bottom:20px; }

    /* Stack CTA buttons full-width */
    .cta-row{
      flex-direction:column;
      gap:12px;
      margin-bottom:24px;
    }
    .cta-row .stamp-btn{
      width:100%;
      justify-content:center;
      transform:none !important;  /* remove tilt on mobile */
      padding:14px 20px;
      font-size:14px;
    }
    .cta-row .stamp-btn:hover{ transform:none !important; }

    /* Measure strip: 2 columns */
    .measure-strip{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px 0;
      padding-top:14px;
    }
    .measure-item{
      padding-right:12px;
      border-right:1px dashed rgba(127,224,240,0.25);
    }
    .measure-item:nth-child(2){ border-right:none; }
    .measure-item:nth-child(3){ border-right:1px dashed rgba(127,224,240,0.25); }
    .measure-item:nth-child(4){ border-right:none; }
    .measure-item .v{ font-size:18px; }
    .measure-item .l{ font-size:10px; }

    /* Hide schematic on small phones to save space */
    .schematic-wrap{ display:none; }

    /* Tag */
    .tag{ font-size:10px; letter-spacing:0.1em; }
  }

  /* Very small phones (≤380px) */
  @media(max-width:380px){
    .hero{ padding:36px 0 44px; }
    .hero h1{ font-size:clamp(20px,8.5vw,28px); margin:10px 0 12px; }
    .hero p.sub{ font-size:13.5px; }

    .cta-row .stamp-btn{ padding:13px 16px; font-size:13px; }

    .measure-item .v{ font-size:16px; }
    .measure-item .l{ font-size:9.5px; }

    /* Container padding tighter */
    .container{ padding:0 16px; }
  }

  /* Landscape phone (short & wide) */
  @media(max-width:812px) and (max-height:480px){
    .hero{ padding:32px 0 40px; }
    .hero h1{ font-size:clamp(20px,4.5vw,30px); margin:8px 0 10px; }
    .hero p.sub{ font-size:13.5px; margin-bottom:14px; }
    .cta-row{ flex-direction:row; flex-wrap:wrap; }
    .cta-row .stamp-btn{ width:auto; }
    .measure-strip{
      display:flex;
      grid-template-columns:unset;
    }
    .measure-item{ border-right:1px dashed rgba(127,224,240,0.25) !important; }
    .measure-item:last-child{ border-right:none !important; }
    .schematic-wrap{ display:none; }
  }