/* ============================================================
   PA — Permanent Adhesive Labels Redesign
   Prefix: pa-  |  Max width: 1280px  |  Self-contained
   ============================================================ */
:root{
  --pa-max:1280px;
  --pa-navy:#0033a0;
  --pa-navy-dark:#002280;
  --pa-navy-ink:#001a4d;
  --pa-navy-pale:#e6ebf7;
  --pa-cyan:#0891b2;
  --pa-cyan-dark:#0e7490;
  --pa-cyan-pale:#cffafe;
  --pa-gold:#c9a96a;
  --pa-gold-pale:#f5edd6;
  --pa-ink:#0f172a;
  --pa-slate:#475569;
  --pa-slate-light:#64748b;
  --pa-mist:#f1f5f9;
  --pa-mist-2:#e2e8f0;
  --pa-cream:#faf7f2;
  --pa-line:#e5e7eb;
  --pa-line-strong:#cbd5e1;
  --pa-white:#ffffff;
  --pa-good:#059669;
  --pa-good-pale:#d1fae5;
  --pa-warn:#d97706;
  --pa-warn-pale:#fef3c7;
  --pa-bad:#dc2626;
  --pa-bad-pale:#fee2e2;

  --pa-font-display:'Sora',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --pa-font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

  --pa-shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --pa-shadow:0 4px 16px rgba(15,23,42,.08);
  --pa-shadow-lg:0 12px 40px rgba(15,23,42,.10);
  --pa-shadow-cyan:0 8px 28px rgba(8,145,178,.20);

  --pa-radius-sm:8px;
  --pa-radius:14px;
  --pa-radius-lg:22px;
  --pa-radius-pill:999px;
}
/* ---------------- RESET ---------------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--pa-font-body);
  color:var(--pa-ink);
  background:var(--pa-white);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--pa-navy);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pa-cyan)}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{list-style:none}

/* ---------------- HELPERS ---------------- */
.pa-container{max-width:var(--pa-max);margin:0 auto;padding:0 24px}
.pa-skip{position:absolute;left:-9999px;top:0;background:var(--pa-navy);color:#fff;padding:10px 18px;z-index:9999;border-radius:0 0 8px 0}
.pa-skip:focus{left:0;outline:3px solid var(--pa-gold)}
.pa-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--pa-font-display);
  font-size:.72rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.14em;
  color:var(--pa-cyan-dark);
  background:var(--pa-cyan-pale);
  padding:6px 14px;border-radius:var(--pa-radius-pill);
}
.pa-eyebrow--gold{color:var(--pa-gold);background:var(--pa-gold-pale)}
.pa-eyebrow--white{color:#fff;background:rgba(255,255,255,.12);backdrop-filter:blur(4px)}
.pa-h2{
  font-family:var(--pa-font-display);
  font-size:clamp(1.65rem,3.2vw,2.4rem);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--pa-ink);margin-top:14px;margin-bottom:0;
}
.pa-h2 strong{color:var(--pa-navy);font-weight:800}
.pa-h2 em{font-style:normal;color:var(--pa-cyan);font-weight:800}
.pa-lead{
  font-size:1.05rem;color:var(--pa-slate);line-height:1.7;
  max-width:760px;margin-top:14px;
}
.pa-section-head{max-width:1080px;margin-bottom:48px}
.pa-section-head.pa-center{margin-left:auto;margin-right:auto;text-align:center}
.pa-reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.pa-reveal.is-visible{opacity:1;transform:none}

/* ---------------- HEADER ---------------- */
.pa-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--pa-line);
}
.pa-header__inner{
  max-width:var(--pa-max);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.pa-brand{display:flex;align-items:center;gap:10px;font-family:var(--pa-font-display);font-weight:800;color:var(--pa-navy);font-size:1.1rem}
.pa-brand__mark{
  width:34px;height:34px;border-radius:8px;
  background:linear-gradient(135deg,var(--pa-navy) 0%,var(--pa-cyan) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:.85rem;font-weight:800;letter-spacing:.02em;
}
.pa-nav{display:flex;align-items:center;gap:6px}
.pa-nav a{
  font-size:.9rem;font-weight:500;color:var(--pa-slate);
  padding:8px 14px;border-radius:var(--pa-radius-pill);
  transition:all .2s ease;
}
.pa-nav a:hover{color:var(--pa-navy);background:var(--pa-navy-pale)}
.pa-nav a.is-active{color:var(--pa-navy);background:var(--pa-navy-pale);font-weight:600}
.pa-nav__cta{
  background:var(--pa-navy) !important;color:#fff !important;
  padding:10px 20px !important;font-weight:600 !important;
  box-shadow:var(--pa-shadow-sm);
}
.pa-nav__cta:hover{background:var(--pa-navy-dark) !important;color:#fff !important;transform:translateY(-1px)}
.pa-nav-toggle{display:none;font-size:1.4rem;color:var(--pa-navy);padding:6px}

/* ---------------- BREADCRUMB ---------------- */
.pa-bread{background:var(--pa-mist);border-bottom:1px solid var(--pa-line)}
.pa-bread__inner{max-width:var(--pa-max);margin:0 auto;padding:14px 24px}
.pa-bread ol{display:flex;flex-wrap:wrap;gap:8px;font-size:.85rem;color:var(--pa-slate-light)}
.pa-bread li::after{content:"/";margin-left:8px;color:var(--pa-line-strong)}
.pa-bread li:last-child::after{content:""}
.pa-bread a{color:var(--pa-slate);font-weight:500}
.pa-bread a:hover{color:var(--pa-navy)}
.pa-bread li:last-child{color:var(--pa-ink);font-weight:600}

/* ---------------- HERO ---------------- */
.pa-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 88% 12%,rgba(8,145,178,.10) 0%,transparent 42%),
    radial-gradient(circle at 12% 88%,rgba(0,51,160,.08) 0%,transparent 42%),
    linear-gradient(180deg,#fff 0%,var(--pa-mist) 100%);
  padding:64px 0 80px;
}
.pa-hero__grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.pa-hero__badge{margin-bottom:18px}
.pa-hero h1{
  font-family:var(--pa-font-display);
  font-size:clamp(2rem,4.4vw,3.15rem);
  font-weight:800;line-height:1.08;letter-spacing:-.025em;
  color:var(--pa-ink);margin-bottom:20px;
}
.pa-hero h1 .accent{color:var(--pa-navy);position:relative;display:inline-block}
.pa-hero h1 .accent::after{
  content:"";position:absolute;left:0;right:0;bottom:.05em;height:.18em;
  background:linear-gradient(90deg,var(--pa-cyan) 0%,var(--pa-gold) 100%);
  border-radius:4px;opacity:.55;z-index:-1;
}
.pa-hero h1 .ink-cyan{color:var(--pa-cyan)}
.pa-hero__lead{
  font-size:1.08rem;color:var(--pa-slate);line-height:1.72;
  max-width:580px;margin-bottom:28px;
}
.pa-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.pa-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--pa-font-body);font-weight:600;font-size:.95rem;
  padding:13px 26px;border-radius:var(--pa-radius-pill);
  transition:all .25s ease;white-space:nowrap;
}
.pa-btn--primary{background:var(--pa-navy);color:#fff;box-shadow:var(--pa-shadow)}
.pa-btn--primary:hover{background:var(--pa-navy-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--pa-shadow-lg)}
.pa-btn--ghost{background:transparent;color:var(--pa-navy);border:1.5px solid var(--pa-navy)}
.pa-btn--ghost:hover{background:var(--pa-navy);color:#fff;transform:translateY(-2px)}
.pa-btn--cyan{background:var(--pa-cyan);color:#fff;box-shadow:var(--pa-shadow-cyan)}
.pa-btn--cyan:hover{background:var(--pa-cyan-dark);color:#fff;transform:translateY(-2px)}
.pa-btn i,.pa-btn svg{width:18px;height:18px;stroke-width:2.4}
.pa-hero__micro{
  display:flex;flex-wrap:wrap;gap:18px;
  font-size:.83rem;color:var(--pa-slate-light);
}
.pa-hero__micro span{display:inline-flex;align-items:center;gap:6px}
.pa-hero__micro i,.pa-hero__micro svg{width:15px;height:15px;color:var(--pa-cyan)}

/* ============= HERO VISUAL: ADHESIVE BOND ANATOMY STUDIO ============= */
.pa-studio{
  position:relative;
  background:linear-gradient(160deg,#fff 0%,var(--pa-mist) 100%);
  border:1px solid var(--pa-line);
  border-radius:var(--pa-radius-lg);
  padding:32px 28px 24px;
  box-shadow:var(--pa-shadow-lg);
}
.pa-studio__label{
  font-family:var(--pa-font-display);font-size:.7rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.18em;color:var(--pa-cyan-dark);
  margin-bottom:14px;text-align:center;
}
.pa-studio__title{
  font-family:var(--pa-font-display);font-size:1.05rem;font-weight:700;
  color:var(--pa-ink);text-align:center;margin-bottom:22px;
}
/* Cross-section diagram */
.pa-bond{
  position:relative;background:#fff;border:1px solid var(--pa-line);
  border-radius:var(--pa-radius);padding:24px 18px 18px;margin-bottom:18px;
}
.pa-bond__layer{
  display:flex;align-items:center;justify-content:center;
  font-family:var(--pa-font-display);font-weight:600;font-size:.78rem;
  letter-spacing:.04em;color:var(--pa-ink);
  padding:14px 12px;border-radius:6px;margin-bottom:5px;
  position:relative;
}
.pa-bond__layer--face{
  background:linear-gradient(135deg,#fafafa 0%,#e2e8f0 100%);
  border:1.5px solid var(--pa-line-strong);
}
.pa-bond__layer--adh{
  background:linear-gradient(180deg,rgba(8,145,178,.30) 0%,rgba(8,145,178,.55) 100%);
  color:#fff;font-weight:700;
  padding:18px 12px;position:relative;overflow:hidden;
}
.pa-bond__layer--adh::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 20% 50%,rgba(255,255,255,.5) 0%,transparent 12%),
    radial-gradient(circle at 50% 30%,rgba(255,255,255,.4) 0%,transparent 10%),
    radial-gradient(circle at 80% 70%,rgba(255,255,255,.5) 0%,transparent 14%),
    radial-gradient(circle at 35% 80%,rgba(255,255,255,.4) 0%,transparent 10%),
    radial-gradient(circle at 65% 20%,rgba(255,255,255,.3) 0%,transparent 9%);
}
.pa-bond__layer--surf{
  background:
    repeating-linear-gradient(135deg,#cbd5e1 0,#cbd5e1 2px,transparent 2px,transparent 7px),
    linear-gradient(180deg,#94a3b8 0%,#64748b 100%);
  color:#fff;
}
.pa-bond__wetting{
  position:absolute;left:0;right:0;bottom:-1px;height:6px;
  background:
    radial-gradient(circle at 15% 100%,var(--pa-cyan) 0%,transparent 25%),
    radial-gradient(circle at 35% 100%,var(--pa-cyan) 0%,transparent 22%),
    radial-gradient(circle at 55% 100%,var(--pa-cyan) 0%,transparent 28%),
    radial-gradient(circle at 78% 100%,var(--pa-cyan) 0%,transparent 22%),
    radial-gradient(circle at 92% 100%,var(--pa-cyan) 0%,transparent 18%);
}
.pa-bond__callout{
  position:absolute;display:flex;align-items:center;gap:8px;
  background:#fff;border:1.5px solid var(--pa-cyan);
  border-radius:var(--pa-radius-pill);
  padding:5px 12px;font-size:.7rem;font-weight:600;color:var(--pa-ink);
  box-shadow:var(--pa-shadow-sm);
}
.pa-bond__callout-num{
  width:18px;height:18px;border-radius:50%;
  background:var(--pa-cyan);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:.65rem;font-weight:800;
}
.pa-bond__callout--1{top:8%;left:-1%}
.pa-bond__callout--2{top:38%;right:-1%}
.pa-bond__callout--3{bottom:32%;left:-18%}
.pa-bond__callout--4{bottom:8%;right:-10%}

/* Time progression timeline */
.pa-bond-time{
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  margin-top:8px;
}
.pa-bond-time__cell{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius-sm);
  padding:12px 10px;text-align:center;position:relative;
}
.pa-bond-time__cell.is-final{
  background:linear-gradient(160deg,var(--pa-cyan-pale) 0%,#fff 100%);
  border-color:var(--pa-cyan);
}
.pa-bond-time__t{font-family:var(--pa-font-display);font-size:.7rem;font-weight:700;color:var(--pa-cyan-dark);text-transform:uppercase;letter-spacing:.1em}
.pa-bond-time__v{font-family:var(--pa-font-display);font-size:1.5rem;font-weight:800;color:var(--pa-ink);margin:4px 0}
.pa-bond-time__bar{
  height:6px;background:var(--pa-mist-2);border-radius:3px;overflow:hidden;
  margin-top:6px;
}
.pa-bond-time__fill{height:100%;background:linear-gradient(90deg,var(--pa-cyan) 0%,var(--pa-navy) 100%);border-radius:3px}
.pa-bond-time__l{font-size:.68rem;color:var(--pa-slate-light);margin-top:6px;font-weight:500}

/* ---------------- TRUST STRIP ---------------- */
.pa-trust{
  background:var(--pa-navy-ink);color:#fff;
  padding:26px 0;
}
.pa-trust__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.pa-trust__cell{display:flex;align-items:center;gap:14px}
.pa-trust__ic{
  width:42px;height:42px;border-radius:50%;
  background:rgba(8,145,178,.22);color:var(--pa-cyan-pale);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.pa-trust__ic i,.pa-trust__ic svg{width:22px;height:22px}
.pa-trust__t{font-family:var(--pa-font-display);font-size:1.05rem;font-weight:700;color:#fff;line-height:1.2}
.pa-trust__s{font-size:.78rem;color:#94a3b8;margin-top:2px}

/* ---------------- CLEAR ANSWER ---------------- */
.pa-clear{
  background:var(--pa-white);padding:72px 0;
}
.pa-clear__wrap{
  max-width:880px;margin:0 auto;text-align:center;
}
.pa-clear__q{
  font-family:var(--pa-font-display);font-size:1.3rem;font-weight:700;
  color:var(--pa-cyan-dark);margin-bottom:18px;
}
.pa-clear__a{
  font-size:1.05rem;color:var(--pa-ink);line-height:1.78;
}

/* ---------------- WHEN YOU NEED ---------------- */
.pa-need{background:var(--pa-mist);padding:80px 0}
.pa-need__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.pa-card{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius);
  padding:24px 22px;transition:all .25s ease;
  display:flex;flex-direction:column;
}
.pa-card:hover{
  border-color:var(--pa-cyan);transform:translateY(-3px);
  box-shadow:var(--pa-shadow);
}
.pa-card__ic{
  width:46px;height:46px;border-radius:12px;
  background:var(--pa-cyan-pale);color:var(--pa-cyan-dark);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.pa-card__ic i,.pa-card__ic svg{width:24px;height:24px;stroke-width:2}
.pa-card--navy .pa-card__ic{background:var(--pa-navy-pale);color:var(--pa-navy)}
.pa-card--gold .pa-card__ic{background:var(--pa-gold-pale);color:var(--pa-gold)}
.pa-card--good .pa-card__ic{background:var(--pa-good-pale);color:var(--pa-good)}
.pa-card--warn .pa-card__ic{background:var(--pa-warn-pale);color:var(--pa-warn)}
.pa-card--bad .pa-card__ic{background:var(--pa-bad-pale);color:var(--pa-bad)}
.pa-card h3{
  font-family:var(--pa-font-display);font-size:1.02rem;font-weight:700;
  color:var(--pa-ink);margin-bottom:8px;line-height:1.3;
}
.pa-card p{font-size:.9rem;color:var(--pa-slate);line-height:1.6}
.pa-card__tag{
  display:inline-block;font-size:.7rem;font-weight:600;
  color:var(--pa-cyan-dark);background:var(--pa-cyan-pale);
  padding:3px 10px;border-radius:var(--pa-radius-pill);
  margin-top:12px;align-self:flex-start;
}

/* ============= UNIQUE: ADHESIVE SCIENCE ATLAS (3 parts) ============= */
.pa-atlas{
  background:linear-gradient(180deg,var(--pa-navy-ink) 0%,var(--pa-navy-dark) 100%);
  color:#fff;padding:84px 0 88px;position:relative;overflow:hidden;
}
.pa-atlas::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 18%,rgba(8,145,178,.18) 0%,transparent 40%),
    radial-gradient(circle at 82% 82%,rgba(201,169,106,.10) 0%,transparent 40%);
  pointer-events:none;
}
.pa-atlas__head{position:relative;z-index:1;max-width:880px;margin:0 auto 56px;text-align:center}
.pa-atlas h2{
  font-family:var(--pa-font-display);font-size:clamp(1.7rem,3.4vw,2.5rem);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:#fff;margin-top:14px;
}
.pa-atlas h2 em{font-style:normal;color:var(--pa-cyan)}
.pa-atlas__sub{font-size:1rem;color:#cbd5e1;margin-top:14px;max-width:720px;margin-left:auto;margin-right:auto}
.pa-atlas__part{position:relative;z-index:1;margin-bottom:56px}
.pa-atlas__part:last-child{margin-bottom:0}
.pa-atlas__part-head{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.pa-atlas__part-num{
  width:38px;height:38px;border-radius:50%;
  background:var(--pa-cyan);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--pa-font-display);font-weight:800;font-size:1rem;flex-shrink:0;
}
.pa-atlas__part-title{
  font-family:var(--pa-font-display);font-size:1.3rem;font-weight:700;color:#fff;
}
.pa-atlas__part-desc{font-size:.9rem;color:#94a3b8;margin-top:2px}

/* Part 1: Surface Energy Spectrum */
.pa-spectrum{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:var(--pa-radius-lg);padding:32px 28px}
.pa-spectrum__bar{
  position:relative;height:42px;border-radius:var(--pa-radius-pill);
  background:linear-gradient(90deg,
    var(--pa-bad) 0%,
    var(--pa-warn) 30%,
    #facc15 50%,
    #84cc16 70%,
    var(--pa-good) 100%);
  margin-bottom:60px;
}
.pa-spectrum__scale{display:flex;justify-content:space-between;font-size:.7rem;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.08em;margin-top:8px}
.pa-spectrum__pin{
  position:absolute;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;gap:6px;
  z-index:2;
}
.pa-spectrum__pin-dot{
  width:18px;height:18px;border-radius:50%;background:#fff;
  border:3px solid var(--pa-navy-ink);box-shadow:0 0 0 2px #fff;
}
.pa-spectrum__pin-label{
  position:absolute;top:32px;left:50%;transform:translateX(-50%);
  background:#fff;color:var(--pa-ink);
  font-family:var(--pa-font-display);font-size:.7rem;font-weight:700;
  padding:5px 10px;border-radius:6px;white-space:nowrap;
  box-shadow:var(--pa-shadow-sm);
}
.pa-spectrum__pin-rating{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  font-size:.65rem;font-weight:600;color:#fff;
  background:rgba(0,0,0,.35);padding:2px 8px;border-radius:var(--pa-radius-pill);
  white-space:nowrap;
}
.pa-spectrum__legend{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px;
}
.pa-spectrum__leg{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  padding:14px 16px;border-radius:var(--pa-radius-sm);
}
.pa-spectrum__leg-t{font-family:var(--pa-font-display);font-size:.85rem;font-weight:700;margin-bottom:4px}
.pa-spectrum__leg-t.bad{color:#fca5a5}
.pa-spectrum__leg-t.mid{color:#fde68a}
.pa-spectrum__leg-t.good{color:#86efac}
.pa-spectrum__leg-d{font-size:.78rem;color:#cbd5e1;line-height:1.55}

/* Part 2: Bond Strength Development Timeline */
.pa-timeline{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--pa-radius-lg);padding:36px 28px;
}
.pa-timeline__track{
  position:relative;height:6px;background:rgba(255,255,255,.10);
  border-radius:3px;margin:36px 24px 70px;
}
.pa-timeline__fill{
  position:absolute;left:0;top:0;bottom:0;
  background:linear-gradient(90deg,var(--pa-cyan) 0%,var(--pa-good) 100%);
  border-radius:3px;
}
.pa-timeline__node{
  position:absolute;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;
}
.pa-timeline__dot{
  width:24px;height:24px;border-radius:50%;background:#fff;
  border:3px solid var(--pa-cyan);box-shadow:0 0 0 4px rgba(8,145,178,.25);
  z-index:2;
}
.pa-timeline__dot.is-final{border-color:var(--pa-good);box-shadow:0 0 0 4px rgba(5,150,105,.30)}
.pa-timeline__pct{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  font-family:var(--pa-font-display);font-size:1.05rem;font-weight:800;color:#fff;
  white-space:nowrap;
}
.pa-timeline__time{
  position:absolute;top:32px;left:50%;transform:translateX(-50%);
  font-size:.78rem;font-weight:600;color:#cbd5e1;
  background:rgba(255,255,255,.08);padding:3px 10px;border-radius:var(--pa-radius-pill);
  white-space:nowrap;
}
.pa-timeline__caption{
  text-align:center;font-size:.85rem;color:#94a3b8;margin-top:8px;font-style:italic;
}

/* Part 3: Failure Mode Matrix */
.pa-fail{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pa-fail__card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--pa-radius);padding:24px 22px;text-align:left;
  position:relative;transition:all .25s ease;
}
.pa-fail__card:hover{border-color:rgba(220,38,38,.40);background:rgba(220,38,38,.05)}
.pa-fail__x{
  position:absolute;top:14px;right:14px;
  width:32px;height:32px;border-radius:50%;
  background:rgba(220,38,38,.20);color:#fca5a5;
  display:flex;align-items:center;justify-content:center;
}
.pa-fail__x i,.pa-fail__x svg{width:18px;height:18px;stroke-width:2.5}
.pa-fail__name{
  font-family:var(--pa-font-display);font-size:1.05rem;font-weight:700;color:#fff;
  margin-bottom:8px;padding-right:38px;
}
.pa-fail__desc{font-size:.84rem;color:#cbd5e1;line-height:1.6}
.pa-fail__cause{
  margin-top:14px;font-size:.75rem;font-weight:600;
  color:#fca5a5;background:rgba(220,38,38,.10);
  padding:6px 10px;border-radius:var(--pa-radius-sm);
  display:inline-block;
}

/* ---------------- MATERIALS TABLE ---------------- */
.pa-mat{background:var(--pa-mist);padding:80px 0}
.pa-mat__wrap{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius-lg);
  overflow:hidden;box-shadow:var(--pa-shadow-sm);
}
.pa-table{width:100%;border-collapse:collapse;font-size:.92rem}
.pa-table thead{background:var(--pa-navy);color:#fff}
.pa-table th{
  text-align:left;padding:16px 22px;
  font-family:var(--pa-font-display);font-weight:600;font-size:.82rem;
  letter-spacing:.06em;text-transform:uppercase;
}
.pa-table td{padding:16px 22px;border-bottom:1px solid var(--pa-line);vertical-align:top}
.pa-table tbody tr:last-child td{border-bottom:0}
.pa-table tbody tr:nth-child(even){background:var(--pa-mist)}
.pa-table tbody tr:hover{background:var(--pa-cyan-pale)}
.pa-table strong{color:var(--pa-navy);font-weight:700}
.pa-table .pa-mat-tag{
  display:inline-block;font-size:.7rem;font-weight:600;
  padding:3px 10px;border-radius:var(--pa-radius-pill);
  margin-top:6px;
}
.pa-mat-tag--perm{background:var(--pa-navy-pale);color:var(--pa-navy)}
.pa-mat-tag--security{background:var(--pa-bad-pale);color:var(--pa-bad)}
.pa-mat-tag--high{background:var(--pa-warn-pale);color:var(--pa-warn)}

/* ---------------- APPLICATIONS ---------------- */
.pa-apps{background:#fff;padding:80px 0}
.pa-apps__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pa-app{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius);
  padding:22px 20px;transition:all .25s ease;
  display:flex;flex-direction:column;
}
.pa-app:hover{border-color:var(--pa-gold);transform:translateY(-2px);box-shadow:var(--pa-shadow)}
.pa-app--gold{background:linear-gradient(160deg,var(--pa-gold-pale) 0%,#fff 100%);border-color:var(--pa-gold)}
.pa-app__ic{
  width:42px;height:42px;border-radius:10px;
  background:var(--pa-navy-pale);color:var(--pa-navy);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.pa-app--gold .pa-app__ic{background:var(--pa-gold-pale);color:var(--pa-gold)}
.pa-app__ic i,.pa-app__ic svg{width:22px;height:22px}
.pa-app h3{font-family:var(--pa-font-display);font-size:1rem;font-weight:700;color:var(--pa-ink);margin-bottom:6px}
.pa-app p{font-size:.85rem;color:var(--pa-slate);line-height:1.55}

/* ---------------- PERFORMANCE NOTES ---------------- */
.pa-perf{background:var(--pa-cream);padding:80px 0}
.pa-perf__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pa-perf__card{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius);
  padding:24px 22px;display:flex;flex-direction:column;
  transition:all .25s ease;
}
.pa-perf__card:hover{border-color:var(--pa-cyan);box-shadow:var(--pa-shadow)}
.pa-perf__num{
  width:32px;height:32px;border-radius:50%;
  background:var(--pa-navy);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--pa-font-display);font-weight:700;font-size:.85rem;
  margin-bottom:12px;
}
.pa-perf__card h3{font-family:var(--pa-font-display);font-size:1.02rem;font-weight:700;color:var(--pa-ink);margin-bottom:8px}
.pa-perf__card p{font-size:.88rem;color:var(--pa-slate);line-height:1.65}

/* ---------------- FORMATS ---------------- */
.pa-formats{background:#fff;padding:80px 0}
.pa-formats__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pa-format{
  background:linear-gradient(160deg,#fff 0%,var(--pa-mist) 100%);
  border:1px solid var(--pa-line);border-radius:var(--pa-radius-lg);
  padding:32px 28px;transition:all .3s ease;
  display:flex;flex-direction:column;
}
.pa-format:hover{border-color:var(--pa-gold);box-shadow:var(--pa-shadow-lg);transform:translateY(-3px)}
.pa-format__ic{
  width:54px;height:54px;border-radius:14px;
  background:linear-gradient(135deg,var(--pa-navy) 0%,var(--pa-cyan) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.pa-format__ic i,.pa-format__ic svg{width:28px;height:28px;stroke-width:2}
.pa-format h3{font-family:var(--pa-font-display);font-size:1.3rem;font-weight:700;color:var(--pa-ink);margin-bottom:10px}
.pa-format p{font-size:.92rem;color:var(--pa-slate);line-height:1.65;margin-bottom:18px}
.pa-format__meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.pa-format__chip{
  display:inline-flex;align-items:center;gap:5px;
  font-size:.72rem;font-weight:600;
  background:var(--pa-cyan-pale);color:var(--pa-cyan-dark);
  padding:5px 10px;border-radius:var(--pa-radius-pill);
}
.pa-format__cta{margin-top:auto;font-family:var(--pa-font-display);font-size:.9rem;font-weight:600;color:var(--pa-navy);display:inline-flex;align-items:center;gap:6px}
.pa-format__cta i,.pa-format__cta svg{width:16px;height:16px}

/* ---------------- MISTAKES ---------------- */
.pa-mistakes{background:var(--pa-mist);padding:80px 0}
.pa-mistakes__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pa-mistake{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius);
  padding:24px 22px;position:relative;
  transition:all .25s ease;
}
.pa-mistake:hover{border-color:var(--pa-bad);box-shadow:var(--pa-shadow)}
.pa-mistake__x{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--pa-bad-pale);color:var(--pa-bad);margin-bottom:14px;
}
.pa-mistake__x i,.pa-mistake__x svg{width:20px;height:20px;stroke-width:2.5}
.pa-mistake h3{font-family:var(--pa-font-display);font-size:1rem;font-weight:700;color:var(--pa-ink);margin-bottom:8px}
.pa-mistake p{font-size:.88rem;color:var(--pa-slate);line-height:1.6}
.pa-mistake__fix{
  margin-top:12px;font-size:.78rem;color:var(--pa-good);
  background:var(--pa-good-pale);padding:8px 12px;border-radius:var(--pa-radius-sm);
  border-left:3px solid var(--pa-good);
}
.pa-mistake__fix strong{color:var(--pa-good);font-weight:700}

/* ---------------- COMPARE ---------------- */
.pa-compare{background:#fff;padding:80px 0}
.pa-compare__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pa-compare__card{
  background:#fff;border:1.5px solid var(--pa-line);border-radius:var(--pa-radius);
  padding:22px 18px;text-align:center;position:relative;
  transition:all .25s ease;
}
.pa-compare__card:hover{border-color:var(--pa-cyan);transform:translateY(-2px)}
.pa-compare__card.is-here{
  background:linear-gradient(160deg,var(--pa-navy-pale) 0%,#fff 100%);
  border-color:var(--pa-navy);border-width:2px;
}
.pa-compare__here{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--pa-navy);color:#fff;
  font-size:.65rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 12px;border-radius:var(--pa-radius-pill);
}
.pa-compare__ic{
  width:44px;height:44px;border-radius:50%;
  background:var(--pa-cyan-pale);color:var(--pa-cyan-dark);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 12px;
}
.pa-compare__card.is-here .pa-compare__ic{background:var(--pa-navy);color:#fff}
.pa-compare__ic i,.pa-compare__ic svg{width:22px;height:22px}
.pa-compare__t{font-family:var(--pa-font-display);font-size:.95rem;font-weight:700;color:var(--pa-ink);margin-bottom:6px}
.pa-compare__d{font-size:.8rem;color:var(--pa-slate);line-height:1.5}
.pa-compare__rating{
  font-family:var(--pa-font-display);font-size:.85rem;font-weight:700;
  color:var(--pa-cyan-dark);margin-top:8px;
}
.pa-compare__card.is-here .pa-compare__rating{color:var(--pa-navy)}

/* ---------------- FAQ ---------------- */
.pa-faq{background:var(--pa-mist);padding:80px 0}
.pa-faq__wrap{max-width:820px;margin:0 auto}
.pa-faq details{
  background:#fff;border:1px solid var(--pa-line);border-radius:var(--pa-radius);
  margin-bottom:12px;transition:all .25s ease;
}
.pa-faq details:hover{border-color:var(--pa-cyan)}
.pa-faq details[open]{border-color:var(--pa-cyan);box-shadow:var(--pa-shadow-sm)}
.pa-faq summary{
  cursor:pointer;padding:18px 22px;
  font-family:var(--pa-font-display);font-size:1rem;font-weight:600;color:var(--pa-ink);
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.pa-faq summary::-webkit-details-marker{display:none}
.pa-faq summary::after{
  content:"+";font-size:1.4rem;color:var(--pa-cyan);font-weight:700;
  transition:transform .2s ease;flex-shrink:0;
}
.pa-faq details[open] summary::after{content:"–";color:var(--pa-navy)}
.pa-faq__a{padding:0 22px 22px;color:var(--pa-slate);font-size:.92rem;line-height:1.7}
.pa-faq__a p{margin:0}

/* ---------------- WHY US NAVY ---------------- */
.pa-why{background:var(--pa-navy-ink);color:#fff;padding:80px 0;position:relative;overflow:hidden}
.pa-why::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 30%,rgba(8,145,178,.20) 0%,transparent 45%);
  pointer-events:none;
}
.pa-why__head{position:relative;z-index:1;max-width:760px;margin:0 auto 44px;text-align:center}
.pa-why h2{
  font-family:var(--pa-font-display);font-size:clamp(1.7rem,3.4vw,2.4rem);
  font-weight:800;color:#fff;margin-top:14px;
}
.pa-why__grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
}
.pa-why__cell{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--pa-radius-lg);padding:28px 24px;
  transition:all .3s ease;
}
.pa-why__cell:hover{background:rgba(8,145,178,.10);border-color:rgba(8,145,178,.35)}
.pa-why__v{
  font-family:var(--pa-font-display);font-size:2.2rem;font-weight:800;
  color:var(--pa-cyan);line-height:1;letter-spacing:-.02em;
}
.pa-why__v span{font-size:1.2rem;color:var(--pa-gold);font-weight:700}
.pa-why__t{
  font-family:var(--pa-font-display);font-size:.95rem;font-weight:600;color:#fff;
  margin-top:10px;line-height:1.3;
}
.pa-why__d{font-size:.82rem;color:#94a3b8;margin-top:6px;line-height:1.55}

/* ---------------- CTA BAND ---------------- */
.pa-cta{
  background:linear-gradient(135deg,var(--pa-navy) 0%,var(--pa-cyan-dark) 100%);
  color:#fff;padding:72px 0;text-align:center;position:relative;overflow:hidden;
}
.pa-cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 50%,rgba(255,255,255,.10) 0%,transparent 30%),
    radial-gradient(circle at 82% 50%,rgba(255,255,255,.06) 0%,transparent 30%);
  pointer-events:none;
}
.pa-cta__wrap{position:relative;z-index:1;max-width:760px;margin:0 auto}
.pa-cta h2{
  font-family:var(--pa-font-display);font-size:clamp(1.7rem,3.4vw,2.4rem);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:14px 0 16px;
}
.pa-cta p{font-size:1.02rem;color:rgba(255,255,255,.85);margin-bottom:28px}
.pa-cta__grp{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.pa-cta .pa-btn--primary{background:#fff;color:var(--pa-navy)}
.pa-cta .pa-btn--primary:hover{background:var(--pa-gold-pale);color:var(--pa-navy-dark)}
.pa-cta .pa-btn--ghost{border-color:#fff;color:#fff}
.pa-cta .pa-btn--ghost:hover{background:#fff;color:var(--pa-navy)}

/* ---------------- FOOTER ---------------- */
.pa-footer{background:var(--pa-navy-ink);color:#94a3b8;padding:56px 0 24px}
.pa-footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px;
}
.pa-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-family:var(--pa-font-display);font-weight:800;font-size:1.15rem}
.pa-footer p{font-size:.85rem;line-height:1.6;color:#94a3b8}
.pa-footer h4{
  font-family:var(--pa-font-display);font-size:.85rem;font-weight:700;color:#fff;
  margin-bottom:12px;letter-spacing:.04em;
}
.pa-footer ul li{margin-bottom:8px}
.pa-footer ul a{font-size:.85rem;color:#94a3b8;transition:color .2s ease}
.pa-footer ul a:hover{color:var(--pa-cyan)}
.pa-footer__bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:.78rem;color:#64748b;
}

/* ---------------- STICKY CTA ---------------- */
.pa-sticky{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(80px);
  z-index:90;background:#fff;border:1px solid var(--pa-line);
  border-radius:var(--pa-radius-pill);
  box-shadow:var(--pa-shadow-lg);
  padding:8px 8px 8px 22px;
  display:flex;align-items:center;gap:18px;
  opacity:0;pointer-events:none;
  transition:all .3s ease;
}
.pa-sticky.is-visible{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.pa-sticky__txt{font-family:var(--pa-font-display);font-size:.88rem;font-weight:600;color:var(--pa-ink);line-height:1.2}
.pa-sticky__txt span{display:block;font-size:.72rem;color:var(--pa-slate-light);font-weight:500;margin-top:2px}
.pa-sticky__grp{display:flex;gap:6px}
.pa-sticky .pa-btn{padding:9px 18px;font-size:.85rem}

/* ============= RESPONSIVE ============= */
@media (max-width:1024px){
  .pa-hero__grid{grid-template-columns:1fr;gap:40px}
  .pa-studio{max-width:520px;margin:0 auto}
  .pa-need__grid,.pa-apps__grid{grid-template-columns:repeat(2,1fr)}
  .pa-perf__grid,.pa-mistakes__grid,.pa-formats__grid,.pa-why__grid{grid-template-columns:repeat(2,1fr)}
  .pa-compare__grid{grid-template-columns:repeat(2,1fr)}
  .pa-fail{grid-template-columns:1fr}
  .pa-spectrum__legend{grid-template-columns:1fr}
  .pa-footer__grid{grid-template-columns:1fr 1fr;gap:24px}
  .pa-trust__grid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media (max-width:768px){
  .pa-nav{display:none}
  .pa-nav-toggle{display:block}
  .pa-nav.is-open{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:#fff;padding:14px;border-bottom:1px solid var(--pa-line);
    box-shadow:var(--pa-shadow);align-items:stretch;
  }
  .pa-nav.is-open a{padding:12px 14px;border-radius:8px}
  .pa-hero{padding:48px 0 60px}
  .pa-clear,.pa-need,.pa-mat,.pa-apps,.pa-perf,.pa-formats,.pa-mistakes,.pa-compare,.pa-faq,.pa-why{padding:60px 0}
  .pa-atlas{padding:64px 0 68px}
  .pa-need__grid,.pa-apps__grid,.pa-perf__grid,.pa-mistakes__grid,.pa-formats__grid,.pa-why__grid{grid-template-columns:1fr}
  .pa-compare__grid{grid-template-columns:1fr 1fr}
  .pa-table{font-size:.82rem}
  .pa-table th,.pa-table td{padding:12px 14px}
  .pa-bond__callout{display:none}
  .pa-bond-time{grid-template-columns:1fr}
  .pa-fail{grid-template-columns:1fr}
  .pa-footer__grid{grid-template-columns:1fr 1fr}
  .pa-sticky{left:12px;right:12px;transform:translateY(80px);border-radius:14px;padding:10px 10px 10px 16px}
  .pa-sticky.is-visible{transform:translateY(0)}
}
@media (max-width:480px){
  .pa-container{padding:0 16px}
  .pa-hero h1{font-size:1.85rem}
  .pa-compare__grid{grid-template-columns:1fr}
  .pa-footer__grid{grid-template-columns:1fr}
  .pa-trust__grid{grid-template-columns:1fr}
  .pa-table{display:block;overflow-x:auto;white-space:nowrap}
  .pa-mat__wrap{overflow-x:auto}
  .pa-spectrum__pin-label{font-size:.6rem;padding:4px 7px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .pa-reveal{opacity:1;transform:none}
}