:root{
    --ink:#111111;
    --paper:#FAFAF7;
    --paper-dim:#F1F1EF;
    --signal:#10C26B;
    --signal-dark:#097D45;
    --signal-soft:#E6FAF1;
    --signal-glow:#6EEFB0;
    --line:#E4E4E1;
    --ink-soft:#64686F;
    --radius:22px;
    --wrap:1160px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Inter',system-ui,sans-serif;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Poppins',system-ui,sans-serif;
    font-weight:700;
    letter-spacing:-0.02em;
    margin:0;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
  :focus-visible{outline:2px solid var(--signal-dark);outline-offset:3px;}
  ::selection{background:var(--signal-glow);color:var(--ink);}

  /* -------- NAV -------- */
  .nav{
    position:sticky; top:0; z-index:40;
    background:rgba(250,250,247,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;}
  .nav-logo{display:flex;align-items:center;gap:8px;}
  .nav-logo img{height:26px;width:auto;}
  .nav-links{display:flex;align-items:center;gap:24px;font-size:13.5px;font-weight:500;color:var(--ink-soft);}
  .nav-links a:hover{color:var(--ink);}
  .nav-links a.primary{font-weight:600;font-size:14px;color:var(--ink);position:relative;}
  .nav-links .nav-sep{width:1px;height:16px;background:var(--line);}
  .nav-cta{display:flex;align-items:center;gap:10px;}
  .nav-links-mobile{display:none;}
  @media (max-width:820px){
    .nav-links{display:none;}
    .nav-links-mobile{
      display:flex;
      border-top:1px solid var(--line);
    }
    .nav-links-mobile a{
      flex:1;text-align:center;padding:11px 0;
      font-size:13.5px;font-weight:600;color:var(--ink);
    }
    .nav-links-mobile a:first-child{border-right:1px solid var(--line);}
  }

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-family:'Inter',sans-serif;font-weight:600;font-size:14.5px;
    padding:11px 20px;border-radius:999px;border:1.5px solid transparent;
    cursor:pointer;transition:transform .15s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, filter .2s ease;
    white-space:nowrap;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn:active{transform:translateY(0);}
  .btn-solid{background:var(--ink);color:#fff;box-shadow:0 6px 16px -8px rgba(17,17,17,.45);}
  .btn-solid:hover{background:#000;box-shadow:0 12px 24px -8px rgba(17,17,17,.55);}
  .btn-signal{
    background:linear-gradient(135deg, var(--signal-glow) 0%, var(--signal) 100%);color:var(--ink);
    box-shadow:0 8px 20px -8px rgba(16,194,107,.55);
  }
  .btn-signal:hover{box-shadow:0 14px 28px -8px rgba(16,194,107,.65);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
  .btn-ghost:hover{border-color:var(--ink);background:var(--paper-dim);}
  .btn-lg{padding:14px 26px;font-size:15.5px;}

  /* -------- HERO -------- */
  .hero{position:relative;padding:76px 0 56px;overflow:hidden;}
  .hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:40px;align-items:center;}
  @media (max-width:900px){ .hero-grid{grid-template-columns:1fr;gap:36px;} }

  .hero-visual{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 0;}
  .hero-visual::before{
    content:'';position:absolute;inset:-30px;z-index:0;
    background:radial-gradient(circle, var(--signal-soft) 0%, transparent 68%);
  }
  .hero-hint{
    position:relative;z-index:1;margin:8px 0 0;
    font-size:13px;font-weight:500;color:var(--ink-soft);
    text-align:center;
  }

  .hero-phones{position:relative;z-index:1;width:100%;max-width:640px;height:540px;margin:0 auto;--fan-offset:150px;}
  .hp{position:absolute;left:50%;top:50%;transition:opacity .4s ease, filter .2s ease;}
  .hp .phone{width:300px;box-shadow:0 30px 60px -20px rgba(17,17,17,.4);}
  .hp-left{transform:translate(calc(-50% - var(--fan-offset)), -50%) rotate(-8deg);z-index:1;cursor:pointer;}
  .hp-left .phone{animation-delay:.6s;opacity:.96;}
  .hp-right{transform:translate(calc(-50% + var(--fan-offset)), -50%) rotate(8deg);z-index:2;cursor:pointer;}
  .hp-right .phone{animation-delay:1.1s;opacity:.97;}
  .hp-main{transform:translate(-50%,-50%);z-index:3;}
  .hp-left:hover, .hp-right:hover, .hp-left:focus-visible, .hp-right:focus-visible{filter:brightness(1.04);}
  .hp-left:hover .phone, .hp-right:hover .phone,
  .hp-left:focus-visible .phone, .hp-right:focus-visible .phone{opacity:1;}

  @media (max-width:700px){
    .hero-phones{max-width:420px;height:500px;--fan-offset:108px;}
    .hp .phone{width:220px;}
  }
  @media (max-width:480px){
    .hero-phones{max-width:310px;height:520px;--fan-offset:92px;}
    .hp .phone{width:190px;}
  }

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--signal-dark);
    background:var(--signal-soft);border-radius:999px;padding:6px 14px;
    margin-bottom:20px;
  }
  .eyebrow span.dot{width:6px;height:6px;border-radius:999px;background:var(--signal);display:inline-block;}

  .hero h1{font-size:clamp(38px,5.4vw,62px);line-height:1.02;}
  .hero h1 em{color:var(--signal-dark);font-style:normal;}
  .hero .mechanic{
    display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;
    font-family:'Poppins',system-ui,sans-serif;font-weight:600;font-size:14px;
    color:var(--ink);margin:18px 0 0;
  }
  .hero .mechanic .arrow{color:var(--signal-dark);font-weight:700;}
  .hero-audiences{display:flex;flex-direction:column;gap:10px;max-width:500px;margin:20px 0 18px;}
  .hero-audiences p{
    display:flex;align-items:flex-start;gap:10px;margin:0;
    font-size:17px;line-height:1.5;color:var(--ink);
  }
  .hero-audiences .dot{width:7px;height:7px;border-radius:999px;flex:none;margin-top:9px;background:var(--signal);}
  .hero-audiences p.for-business .dot{background:var(--ink);}
  .hero-audiences b{font-weight:700;}
  .hero p.lead{
    font-size:15.5px;line-height:1.6;color:var(--ink-soft);
    max-width:480px;margin:0 0 30px;
  }
  .hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px;}
  .hero-proof{display:flex;align-items:center;gap:18px;font-size:13.5px;color:var(--ink-soft);}
  .hero-proof strong{color:var(--ink);font-weight:600;}

  /* -------- HOW IT WORKS (home) -------- */
  .hiw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  @media (max-width:820px){ .hiw-grid{grid-template-columns:1fr;} }
  .hiw-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:28px 24px;text-align:center;
    box-shadow:0 4px 16px -12px rgba(17,17,17,.12);
  }
  .hiw-icon{
    position:relative;width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
    background:linear-gradient(135deg, var(--signal-glow), var(--signal));
    display:flex;align-items:center;justify-content:center;font-size:24px;
  }
  .hiw-icon::after{
    content:'';position:absolute;inset:0;border-radius:16px;
    border:1.5px solid var(--signal);
    animation:hiw-pulse 2.4s ease-out infinite;
  }
  @keyframes hiw-pulse{
    0%{transform:scale(1);opacity:.6;}
    100%{transform:scale(1.6);opacity:0;}
  }
  .hiw-card h3{font-size:17px;margin-bottom:8px;}
  .hiw-card p{font-size:14px;color:var(--ink-soft);line-height:1.55;margin:0;}

  /* -------- USE CASES (home) -------- */
  .uc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  @media (max-width:820px){ .uc-grid{grid-template-columns:1fr;} }
  .uc-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;
    box-shadow:0 4px 16px -12px rgba(17,17,17,.12);
  }
  .uc-icon{
    width:48px;height:48px;border-radius:14px;flex:none;
    background:linear-gradient(135deg, var(--paper-dim) 0%, #e2e2de 100%);
    display:flex;align-items:center;justify-content:center;font-size:22px;
    animation:uc-float 4.5s ease-in-out infinite;
  }
  @keyframes uc-float{ 0%,100%{transform:translateY(0);} 50%{transform:translateY(-5px);} }
  .uc-card h3{font-size:16px;margin:0;}
  .uc-card p{font-size:13.5px;color:var(--ink-soft);line-height:1.5;margin:0;}

  /* -------- PATH SELECT -------- */
  .path-select{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:12px;padding-bottom:12px;}
  @media (max-width:760px){ .path-select{grid-template-columns:1fr;} }
  .path-card{
    border:1.5px solid var(--line);border-radius:var(--radius);padding:28px 26px;
    background:#fff;transition:transform .15s ease, border-color .2s ease, box-shadow .2s ease;
    display:block;box-shadow:0 6px 20px -16px rgba(17,17,17,.2);
  }
  .path-card:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:0 16px 32px -18px rgba(17,17,17,.25);}
  .path-ic{
    width:46px;height:46px;border-radius:14px;
    background:linear-gradient(135deg, var(--signal-soft) 0%, #d3f5e6 100%);
    display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;
    transition:transform .2s ease;
  }
  .path-card:hover .path-ic{transform:scale(1.08) rotate(-4deg);}
  .path-card h2{font-size:19px;margin-bottom:8px;}
  .path-card p{font-size:14px;color:var(--ink-soft);line-height:1.55;margin:0 0 16px;}
  .path-arrow{font-size:13.5px;font-weight:600;color:var(--signal-dark);display:inline-block;transition:transform .2s ease;}
  .path-card:hover .path-arrow{transform:translateX(4px);}

  /* -------- SHOWCASE CAROUSEL -------- */
  .showcase-viewport{
    overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;padding:12px 4px 28px;margin:0 -4px;
  }
  .showcase-viewport::-webkit-scrollbar{display:none;}
  .showcase-track{display:flex;gap:20px;width:max-content;padding:0 4px;}
  .showcase-item{scroll-snap-align:center;flex:none;width:270px;text-align:center;}
  .showcase-item .phone{margin:0 auto;animation:none;}
  .showcase-item .caption{margin-top:14px;font-size:13px;color:var(--ink-soft);}
  .showcase-item .caption b{color:var(--ink);font-weight:600;}
  .showcase-nav{display:flex;justify-content:center;gap:12px;margin-top:4px;}
  .showcase-arrow{
    width:40px;height:40px;border-radius:999px;border:1.5px solid var(--line);
    background:#fff;font-size:18px;line-height:1;cursor:pointer;color:var(--ink);
    transition:border-color .2s ease, transform .15s ease, box-shadow .2s ease;
  }
  .showcase-arrow:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 16px -10px rgba(17,17,17,.3);}

  .phone{
    position:relative;z-index:1;
    width:270px;border-radius:38px;background:var(--ink);
    padding:10px;box-shadow:0 30px 60px -20px rgba(17,17,17,.35);
    animation:float 5s ease-in-out infinite;
  }
  @keyframes float{ 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }
  .phone-notch{width:70px;height:18px;background:var(--ink);border-radius:0 0 14px 14px;margin:0 auto;position:relative;z-index:2;}
  .phone-screen{
    background:#fff;border-radius:28px;overflow:hidden;margin-top:-18px;
  }
  .phone-hero{
    background:linear-gradient(160deg,#1c3f30 0%, #0d1f18 55%, #111111 100%);
    padding:34px 18px 20px;text-align:center;color:#fff;
  }
  .phone-avatar{
    width:52px;height:52px;border-radius:999px;margin:0 auto 10px;
    background:linear-gradient(135deg,var(--signal-glow),var(--signal));
    display:flex;align-items:center;justify-content:center;
    font-family:'Poppins';font-weight:700;color:var(--ink);font-size:18px;
    border:3px solid rgba(255,255,255,.9);
  }
  .phone-hero .name{font-family:'Poppins';font-weight:700;font-size:14.5px;}
  .phone-hero .desc{font-size:10.5px;color:rgba(255,255,255,.65);margin-top:3px;line-height:1.4;}
  .phone-status{
    display:inline-flex;align-items:center;gap:5px;margin-top:12px;
    background:rgba(255,255,255,.12);border-radius:999px;padding:5px 10px;font-size:9px;font-weight:600;
  }
  .phone-status span.dot{width:5px;height:5px;border-radius:999px;background:var(--signal-glow);}
  .phone.phone-sm{width:260px;}

  /* Variantes de tema — mismos 5 temas que el selector de tema real del producto */
  .phone.theme-midnight .phone-hero{background:linear-gradient(160deg,#1e3a5f 0%, #16213e 55%, #0d1321 100%);}
  .phone.theme-midnight .phone-avatar{background:linear-gradient(135deg,#93C5FD,#3B82F6);}
  .phone.theme-midnight .phone-status span.dot{background:#93C5FD;}
  .phone.theme-midnight .phone-row.featured{background:#1e3a5f;border-color:#1e3a5f;}
  .phone.theme-midnight .phone-row.featured .ric{background:#3B82F6;}

  .phone.theme-sunset .phone-hero{background:linear-gradient(160deg,#7a3a1e 0%, #4a2414 55%, #211310 100%);}
  .phone.theme-sunset .phone-avatar{background:linear-gradient(135deg,#FDBA8C,#EA580C);}
  .phone.theme-sunset .phone-status span.dot{background:#FDBA8C;}
  .phone.theme-sunset .phone-row.featured{background:#7a3a1e;border-color:#7a3a1e;}
  .phone.theme-sunset .phone-row.featured .ric{background:#EA580C;}

  .phone.theme-mono .phone-hero{background:linear-gradient(160deg,#2e2e2e 0%, #1a1a1a 55%, #0a0a0a 100%);}
  .phone.theme-mono .phone-avatar{background:linear-gradient(135deg,#E5E5E5,#9CA3AF);}
  .phone.theme-mono .phone-status span.dot{background:#D1D5DB;}
  .phone.theme-mono .phone-row.featured{background:#2e2e2e;border-color:#2e2e2e;}
  .phone.theme-mono .phone-row.featured .ric{background:#9CA3AF;}

  .phone.theme-rose .phone-hero{background:linear-gradient(160deg,#6b1e46 0%, #421530 55%, #1f0f18 100%);}
  .phone.theme-rose .phone-avatar{background:linear-gradient(135deg,#F9A8D4,#DB2777);}
  .phone.theme-rose .phone-status span.dot{background:#F9A8D4;}
  .phone.theme-rose .phone-row.featured{background:#6b1e46;border-color:#6b1e46;}
  .phone.theme-rose .phone-row.featured .ric{background:#DB2777;}

  .phone.theme-violet .phone-hero{background:linear-gradient(160deg,#4c1d6b 0%, #2d1042 55%, #150a1f 100%);}
  .phone.theme-violet .phone-avatar{background:linear-gradient(135deg,#C4B5FD,#7C3AED);}
  .phone.theme-violet .phone-status span.dot{background:#C4B5FD;}
  .phone.theme-violet .phone-row.featured{background:#4c1d6b;border-color:#4c1d6b;}
  .phone.theme-violet .phone-row.featured .ric{background:#7C3AED;}

  .phone.theme-teal .phone-hero{background:linear-gradient(160deg,#0f4c4c 0%, #0a2e2e 55%, #081a1a 100%);}
  .phone.theme-teal .phone-avatar{background:linear-gradient(135deg,#5EEAD4,#0D9488);}
  .phone.theme-teal .phone-status span.dot{background:#5EEAD4;}
  .phone.theme-teal .phone-row.featured{background:#0f4c4c;border-color:#0f4c4c;}
  .phone.theme-teal .phone-row.featured .ric{background:#0D9488;}

  .phone.theme-amber .phone-hero{background:linear-gradient(160deg,#6b4a12 0%, #422d0a 55%, #1f1505 100%);}
  .phone.theme-amber .phone-avatar{background:linear-gradient(135deg,#FDE68A,#D97706);}
  .phone.theme-amber .phone-status span.dot{background:#FDE68A;}
  .phone.theme-amber .phone-row.featured{background:#6b4a12;border-color:#6b4a12;}
  .phone.theme-amber .phone-row.featured .ric{background:#D97706;}
  .phone-quick{display:flex;gap:6px;padding:12px;background:var(--paper-dim);}
  .phone-quick div{
    flex:1;background:#fff;border-radius:12px;padding:8px 4px;text-align:center;
    font-size:8px;font-weight:600;border:1px solid var(--line);
  }
  .phone-quick div .ic{font-size:14px;display:block;margin-bottom:3px;}
  .phone-list{padding:0 12px 16px;background:var(--paper-dim);display:flex;flex-direction:column;gap:6px;}
  .phone-more{text-align:center;font-size:8px;font-weight:600;color:var(--ink-soft);padding-top:2px;}
  .phone-row{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:9px 10px;display:flex;align-items:center;gap:8px;
  }
  .phone-row.featured{background:var(--ink);border-color:var(--ink);}
  .phone-row .ric{width:22px;height:22px;border-radius:999px;background:var(--paper-dim);flex:none;display:flex;align-items:center;justify-content:center;font-size:11px;line-height:1;}
  .phone-row.featured .ric{background:var(--signal);}
  .phone-row .rt{font-size:9px;font-weight:600;}
  .phone-row.featured .rt{color:#fff;}
  .phone-row .rs{font-size:7.5px;color:var(--ink-soft);}
  .phone-row.featured .rs{color:rgba(255,255,255,.55);}

  /* -------- SECTION SHELL -------- */
  section{padding:64px 0;}
  .section-head{max-width:620px;margin-bottom:48px;}
  .kicker{
    font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
    color:var(--signal-dark);margin-bottom:12px;display:block;
  }
  .section-head h2{font-size:clamp(28px,3.4vw,38px);line-height:1.12;}
  .section-head p{font-size:16.5px;color:var(--ink-soft);margin-top:14px;line-height:1.6;}

  /* -------- ZONE INTRO -------- */
  .zone-intro{padding:16px 0 4px;}
  .zone-intro-inner{display:flex;align-items:flex-start;gap:18px;}
  .zone-intro-ic{
    width:52px;height:52px;border-radius:14px;flex:none;
    background:linear-gradient(135deg, var(--paper-dim) 0%, #e2e2de 100%);
    display:flex;align-items:center;justify-content:center;font-size:26px;
  }
  .zone-intro h2{font-size:clamp(24px,3vw,32px);margin-top:8px;}
  .zone-intro p{color:var(--ink-soft);font-size:15px;margin-top:8px;max-width:520px;}
  @media (max-width:600px){ .zone-intro-inner{flex-direction:column;gap:12px;} }

  /* -------- BEFORE / AFTER -------- */
  .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  @media (max-width:760px){ .compare{grid-template-columns:1fr;} }
  .compare-card{
    border-radius:var(--radius);padding:32px;border:1px solid var(--line);
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .compare-card:hover{transform:translateY(-3px);}
  .compare-card.before{background:var(--paper-dim);}
  .compare-card.after{
    background:var(--ink);color:#fff;border-color:var(--ink);
    box-shadow:0 20px 40px -20px rgba(17,17,17,.5);
  }
  .compare-card h3{font-size:19px;margin-bottom:18px;}
  .compare-card.after h3{color:var(--signal-glow);}
  .compare-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px;}
  .compare-card li{display:flex;gap:10px;font-size:14.5px;line-height:1.5;color:var(--ink-soft);}
  .compare-card.after li{color:rgba(255,255,255,.75);}
  .compare-card li .mark{flex:none;font-weight:700;}
  .compare-card.before li .mark{color:#B5533E;}
  .compare-card.after li .mark{color:var(--signal-glow);}

  /* -------- STEPS -------- */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
  @media (max-width:820px){ .steps{grid-template-columns:1fr;} }
  .steps.steps-4{grid-template-columns:repeat(4,1fr);}
  @media (max-width:980px){ .steps.steps-4{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .steps.steps-4{grid-template-columns:1fr;} }
  .step{
    position:relative;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);padding:26px 22px 24px;
    box-shadow:0 4px 16px -12px rgba(17,17,17,.12);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:0 16px 32px -16px rgba(17,17,17,.2);border-color:var(--signal);}
  .step .num{
    font-family:'Poppins';font-weight:800;font-size:44px;
    color:var(--signal-dark);
    background:linear-gradient(135deg, var(--signal-dark) 0%, #065f34 100%);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
    display:block;margin-bottom:8px;
  }
  .step h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
  .step-ic{font-size:19px;}
  .step p{font-size:14.5px;color:var(--ink-soft);line-height:1.6;margin:0;}

  /* -------- PRODUCTS -------- */
  .products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  @media (max-width:900px){ .products{grid-template-columns:1fr;} }
  .product{
    border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
    background:#fff;display:flex;flex-direction:column;
    box-shadow:0 4px 16px -12px rgba(17,17,17,.15);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .product:hover{transform:translateY(-4px);box-shadow:0 16px 32px -16px rgba(17,17,17,.25);border-color:var(--signal);}
  .product.highlight{
    border-color:var(--ink);position:relative;
    box-shadow:0 20px 40px -18px rgba(16,194,107,.35);
  }
  .product.highlight:hover{border-color:var(--ink);box-shadow:0 24px 48px -16px rgba(16,194,107,.45);}
  .product .tag{
    font-size:11.5px;font-weight:700;color:var(--signal-dark);
    background:linear-gradient(135deg, var(--signal-soft) 0%, #d3f5e6 100%);
    border-radius:999px;padding:4px 10px;
    align-self:flex-start;margin-bottom:16px;
  }
  .product h3{font-size:20px;margin-bottom:6px;}
  .product .price{font-family:'Poppins';font-weight:700;font-size:26px;margin:10px 0 4px;}
  .product .price span{font-size:13px;font-weight:500;color:var(--ink-soft);}
  .product p.desc{font-size:14px;color:var(--ink-soft);line-height:1.55;margin:8px 0 20px;flex:1;}

  /* -------- FEATURES -------- */
  .features{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
  @media (max-width:900px){ .features{grid-template-columns:repeat(2,1fr);} }
  .feature{background:#fff;padding:28px 24px;transition:background .2s ease;}
  .feature:hover{background:var(--signal-soft);}
  .feature .ic{
    width:36px;height:36px;border-radius:10px;
    background:linear-gradient(135deg, var(--signal-soft) 0%, #d3f5e6 100%);
    display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px;
  }
  .feature h3{font-family:'Poppins';font-weight:600;font-size:15px;margin-bottom:6px;}
  .feature p{font-size:13.5px;color:var(--ink-soft);line-height:1.55;margin:0;}

  /* -------- USE CASES -------- */
  .usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  @media (max-width:900px){ .usecases{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .usecases{grid-template-columns:1fr;} }
  .usecase{
    border:1px solid var(--line);border-radius:18px;padding:22px 20px;
    background:#fff;display:flex;align-items:center;gap:14px;
    box-shadow:0 4px 14px -12px rgba(17,17,17,.15);
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .usecase:hover{transform:translateY(-3px);box-shadow:0 14px 28px -16px rgba(17,17,17,.22);border-color:var(--signal);}
  .usecase .ic{
    font-size:24px;flex:none;width:44px;height:44px;border-radius:12px;
    background:linear-gradient(135deg, var(--paper-dim) 0%, #e8e8e4 100%);
    display:flex;align-items:center;justify-content:center;
  }
  .usecase h3{font-family:'Poppins';font-weight:600;font-size:15px;margin-bottom:3px;}
  .usecase p{font-size:13px;color:var(--ink-soft);margin:0;line-height:1.45;}

  /* -------- FAQ -------- */
  .faq{max-width:760px;display:flex;flex-direction:column;gap:12px;}
  .faq details{
    border:1px solid var(--line);border-radius:16px;padding:18px 22px;background:#fff;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq details:hover{border-color:var(--signal);box-shadow:0 6px 18px -14px rgba(17,17,17,.2);}
  .faq details[open]{border-color:var(--ink);}
  .faq summary{
    cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-family:'Poppins';font-weight:600;font-size:15.5px;
  }
  .faq summary::-webkit-details-marker{display:none;}
  .faq summary::after{
    content:'+';flex:none;font-size:20px;font-weight:400;color:var(--ink-soft);
    transition:transform .2s ease;
  }
  .faq details[open] summary::after{content:'−';color:var(--signal-dark);}
  .faq p.a{font-size:14.5px;color:var(--ink-soft);line-height:1.6;margin:12px 0 0;}

  /* -------- DEMO -------- */
  .demo{
    background:var(--paper-dim);border-radius:32px;padding:64px 40px;
    display:grid;grid-template-columns:1fr auto;align-items:center;gap:40px;
  }
  @media (max-width:820px){ .demo{grid-template-columns:1fr;text-align:center;} .demo .btn{margin:0 auto;} }
  .demo h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
  .demo p{color:var(--ink-soft);font-size:15.5px;max-width:420px;line-height:1.6;}
  .demo-url{
    display:inline-flex;align-items:center;gap:8px;margin-top:18px;
    font-family:monospace;font-size:13.5px;color:var(--ink-soft);
  }
  .demo-ctas{display:flex;flex-direction:column;gap:12px;}
  .demo-ctas .btn{justify-content:center;}

  /* -------- FINAL CTA -------- */
  .cta-final{
    background:var(--ink);border-radius:32px;padding:72px 40px;text-align:center;
    position:relative;overflow:hidden;
  }
  .cta-final::before{
    content:'';position:absolute;inset:-40%;
    background:radial-gradient(circle at 30% 20%, rgba(16,194,107,.35), transparent 55%),
               radial-gradient(circle at 75% 75%, rgba(110,239,176,.18), transparent 50%);
    filter:blur(40px);
  }
  .cta-final > *{position:relative;}
  .cta-final h2{color:#fff;font-size:clamp(28px,4vw,42px);margin-bottom:16px;}
  .cta-final p{color:rgba(255,255,255,.65);font-size:16px;max-width:460px;margin:0 auto 30px;line-height:1.6;}

  /* -------- FOOTER -------- */
  footer{border-top:1px solid var(--line);padding:48px 0 32px;}
  .foot-grid{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:32px;}
  .foot-logo img{height:22px;margin-bottom:10px;}
  .foot-logo p{font-size:13px;color:var(--ink-soft);}
  .foot-cols{display:flex;gap:56px;flex-wrap:wrap;}
  .foot-col h5{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:14px;}
  .foot-col a{display:block;font-size:14px;color:var(--ink);margin-bottom:10px;}
  .foot-col a:hover{color:var(--signal-dark);}
  .foot-bottom{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-soft);flex-wrap:wrap;gap:10px;}

  /* -------- REVEAL ON SCROLL -------- */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
  .reveal.is-visible{opacity:1;transform:translateY(0);}

  @media (prefers-reduced-motion: reduce){
    .phone, .hiw-icon::after, .uc-icon{animation:none;}
    .reveal{opacity:1;transform:none;transition:none;}
    .btn:hover, .product:hover, .usecase:hover, .step:hover, .compare-card:hover, .path-card:hover{transform:none;}
    .path-card:hover .path-ic{transform:none;}
    .path-card:hover .path-arrow{transform:none;}
    .hp{transition:none;}
  }