/* ============================================================
   Aeon Core — Fire Protection | Design System
   Palette derived from brand logo: fire-red + charcoal + white
   ============================================================ */
:root{
  --fire:#E11B22;
  --fire-2:#B3141A;
  --fire-glow:rgba(225,27,34,.35);
  --ink:#0F1115;
  --ink-2:#171A20;
  --ink-3:#20242C;
  --line:#2A2F39;
  --paper:#FFFFFF;
  --bg:#FFFFFF;
  --bg-soft:#F6F7F9;
  --bg-soft-2:#EEF0F3;
  --text:#14171C;
  --text-2:#4B525E;
  --muted:#6B7280;
  --on-dark:#EEF0F3;
  --on-dark-2:#AEB6C2;
  --amber:#F5A623;
  --green:#1E9E5A;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 1px 3px rgba(16,17,21,.08),0 8px 30px rgba(16,17,21,.06);
  --shadow-lg:0 20px 60px rgba(16,17,21,.14);
  --maxw:1180px;
  --head:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  margin:0;font-family:var(--body);color:var(--text);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
/* prevent CSS-grid/flex blowouts on small screens */
.hero-grid>*,.split>*,.grid>*,.contact-grid>*,.footer-grid>*,.post-grid>*,.price-grid>*{min-width:0}
img{max-width:100%;display:block;height:auto}
a{color:var(--fire);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--head);line-height:1.12;letter-spacing:-.02em;color:var(--text);margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:700}
h3{font-size:clamp(1.2rem,2vw,1.5rem);font-weight:600}
p{margin:0 0 1.1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:820px;margin-left:auto;margin-right:auto}
section{padding:78px 0}
.section-sm{padding:52px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--head);font-weight:600;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fire);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--fire);display:inline-block}
.lead{font-size:1.18rem;color:var(--text-2);max-width:62ch}
.muted{color:var(--muted)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--head);font-weight:600;
  font-size:1rem;padding:14px 26px;border-radius:100px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,box-shadow .12s ease,background .12s ease;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--fire);color:#fff;box-shadow:0 10px 24px var(--fire-glow)}
.btn-primary:hover{background:var(--fire-2);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;color:#fff}
.btn-ghost{background:transparent;color:var(--text);border-color:#d6dae1}
.btn-ghost:hover{border-color:var(--fire);color:var(--fire)}
/* ghost buttons on dark backgrounds */
.hero .btn-ghost,.page-hero .btn-ghost,.bg-ink .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45)}
.hero .btn-ghost:hover,.page-hero .btn-ghost:hover,.bg-ink .btn-ghost:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.1)}
.btn-wa{background:#25D366;color:#0b3d1f}
.btn-wa:hover{background:#1eb257;color:#0b3d1f}
.btn-lg{padding:17px 34px;font-size:1.08rem}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid #eceef1}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:38px;width:auto}
.brand:hover{text-decoration:none}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--head);font-weight:500;font-size:.96rem;color:var(--text);letter-spacing:-.01em}
.nav-links a:hover{color:var(--fire);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}
@media(max-width:960px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:#fff;padding:18px 22px;gap:14px;border-bottom:1px solid #eceef1;box-shadow:var(--shadow)}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 500px at 75% -10%,rgba(225,27,34,.16),transparent 60%),
  linear-gradient(160deg,#0F1115 0%,#161a21 60%,#1c2129 100%);color:var(--on-dark);overflow:hidden;padding:96px 0 88px}
.hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff0d' stroke-width='1'/%3E%3C/svg%3E");opacity:.5;pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero h1{color:#fff}
.hero .lead{color:var(--on-dark-2)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.chip{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  color:var(--on-dark);padding:7px 14px;border-radius:100px;font-size:.85rem;font-weight:500}
.chip.fire{border-color:rgba(225,27,34,.5);color:#ffb4b7}
.hero-media{position:relative}
.hero-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;object-fit:cover;aspect-ratio:4/5}
.hero-stat{position:absolute;left:-18px;bottom:-18px;background:#fff;color:var(--ink);border-radius:16px;padding:16px 20px;box-shadow:var(--shadow-lg)}
.hero-stat b{font-family:var(--head);font-size:1.8rem;color:var(--fire);display:block;line-height:1}
.hero-stat span{font-size:.82rem;color:var(--muted)}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero-media{max-width:420px;margin:0 auto}}

/* ---------- Trust bar ---------- */
.trustbar{background:var(--ink);color:var(--on-dark-2);padding:20px 0}
.trustbar .container{display:flex;flex-wrap:wrap;gap:12px 34px;align-items:center;justify-content:center;
  font-family:var(--head);font-size:.92rem;letter-spacing:.02em}
.trustbar b{color:#fff}
.trustbar .dot{color:var(--fire)}

/* ---------- Sections & cards ---------- */
.bg-soft{background:var(--bg-soft)}
.bg-ink{background:var(--ink);color:var(--on-dark)}
.bg-ink h1,.bg-ink h2,.bg-ink h3{color:#fff}
.bg-ink .lead,.bg-ink p{color:var(--on-dark-2)}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid #eceef1;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .ico{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--fire),var(--fire-2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--text-2);margin-bottom:0;font-size:.98rem}
.bg-ink .card{background:var(--ink-2);border-color:var(--line)}
.bg-ink .card p{color:var(--on-dark-2)}

/* feature list */
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:32px;color:var(--text-2)}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;background:rgba(30,158,90,.12);
  color:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}
.ticks.on-dark li{color:var(--on-dark-2)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.rev>*:first-child{order:2}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:32px}.split.rev>*:first-child{order:0}}
.split img{border-radius:var(--radius-lg);box-shadow:var(--shadow)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .n{font-family:var(--head);font-size:clamp(2rem,4vw,2.9rem);font-weight:700;color:var(--fire);line-height:1}
.stats .l{font-size:.92rem;color:var(--text-2);margin-top:6px}
.bg-ink .stats .l{color:var(--on-dark-2)}
@media(max-width:620px){.stats{grid-template-columns:repeat(2,1fr);gap:30px 18px}}

/* ---------- Comparison table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid #eceef1;box-shadow:var(--shadow)}
table.compare{border-collapse:collapse;width:100%;min-width:640px;background:#fff}
table.compare th,table.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid #eef0f2;font-size:.96rem}
table.compare thead th{background:var(--ink);color:#fff;font-family:var(--head);font-weight:600;position:sticky;top:0}
table.compare thead th.us{background:var(--fire)}
table.compare tbody th{font-weight:600;color:var(--text)}
table.compare td.us{background:rgba(225,27,34,.05);font-weight:600}
table.compare .yes{color:var(--green);font-weight:700}
table.compare .no{color:var(--fire);font-weight:700}
table.compare tr:last-child td,table.compare tr:last-child th{border-bottom:0}

/* ---------- Results ---------- */
.result-card{background:#fff;border:1px solid #eceef1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.result-card .fig{background:var(--bg-soft);padding:14px;border-bottom:1px solid #eef0f2}
.result-card .fig img{margin:0 auto;border-radius:8px;max-height:360px;width:auto}
.result-card .body{padding:22px 24px}
.result-card h3{margin-bottom:6px}
.tag{display:inline-block;font-family:var(--head);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--fire);background:rgba(225,27,34,.08);padding:4px 10px;border-radius:100px;margin-bottom:10px}
.keyval{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.92rem;margin:14px 0}
.keyval dt{color:var(--muted)}
.keyval dd{margin:0;font-weight:600}
.takeaway{background:rgba(30,158,90,.08);border-left:3px solid var(--green);padding:12px 16px;border-radius:8px;
  font-size:.95rem;color:var(--text-2);margin-top:12px}
.takeaway b{color:var(--text)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid #eceef1;border-radius:12px;background:#fff;margin-bottom:12px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;padding:18px 22px;font-family:var(--head);font-weight:600;font-size:1.05rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--fire);font-size:1.4rem;font-weight:400;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 22px 20px;margin:0;color:var(--text-2)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--fire),var(--fire-2));color:#fff;border-radius:var(--radius-lg);
  padding:50px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9)}
.cta-band .btn-primary{background:#fff;color:var(--fire)}
.cta-band .btn-primary:hover{background:#fff;color:var(--fire-2)}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12)}

/* ---------- Steps ---------- */
.steps{counter-reset:s;display:grid;gap:22px}
.step{position:relative;padding-left:70px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:48px;height:48px;
  background:var(--ink);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-family:var(--head);font-size:1.3rem;font-weight:700}
.step h3{margin-bottom:4px}
.step p{color:var(--text-2);margin:0}

/* ---------- Page hero (inner) ---------- */
.page-hero{background:linear-gradient(160deg,#0F1115,#1b2028);color:var(--on-dark);padding:64px 0 58px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;top:-40%;right:-10%;width:520px;height:520px;
  background:radial-gradient(circle,var(--fire-glow),transparent 65%);pointer-events:none}
.page-hero h1{color:#fff;position:relative}
.page-hero .lead{color:var(--on-dark-2);position:relative}
.crumbs{font-size:.85rem;color:var(--on-dark-2);margin-bottom:14px;position:relative}
.crumbs a{color:var(--on-dark-2)}
.crumbs a:hover{color:#fff}

/* ---------- Blog ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.post-grid{grid-template-columns:1fr}}
.post-card{background:#fff;border:1px solid #eceef1;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.post-card a{text-decoration:none;color:inherit}
.post-card .thumb{aspect-ratio:16/9;background:#0f1115;overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.article-hero{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);margin:0 0 8px}
.post-card .pc-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.post-card .cat{font-family:var(--head);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--fire);margin-bottom:8px}
.post-card h3{font-size:1.12rem;margin-bottom:8px}
.post-card p{color:var(--text-2);font-size:.94rem;margin-bottom:14px;flex:1}
.post-card .read{font-family:var(--head);font-weight:600;font-size:.9rem;color:var(--fire)}

/* Article body */
.article{max-width:760px;margin:0 auto}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:24px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.article .meta .cat{color:var(--fire);font-weight:600;font-family:var(--head)}
.article h2{margin-top:1.8em}
.article h3{margin-top:1.4em}
.article ul,.article ol{color:var(--text-2);padding-left:22px;margin:0 0 1.1em}
.article li{margin-bottom:.5em}
.article img{border-radius:var(--radius);box-shadow:var(--shadow);margin:1.6em 0}
.article blockquote{border-left:4px solid var(--fire);background:var(--bg-soft);margin:1.6em 0;padding:16px 22px;border-radius:0 10px 10px 0;
  font-size:1.08rem;color:var(--text)}
.diagram{margin:1.9em 0;padding:0;border:0}
.diagram svg{width:100%;height:auto;display:block;border:1px solid #eceef1;border-radius:14px}
.diagram figcaption{font-size:.9rem;color:var(--muted);margin-top:10px;text-align:center;line-height:1.5}
.callout{background:rgba(225,27,34,.05);border:1px solid rgba(225,27,34,.18);border-radius:12px;padding:18px 22px;margin:1.6em 0}
.callout b{color:var(--fire)}
.toc{background:var(--bg-soft);border:1px solid #eceef1;border-radius:12px;padding:18px 22px;margin:0 0 28px}
.toc p{font-family:var(--head);font-weight:600;margin:0 0 8px}
.toc ol{margin:0;padding-left:20px;color:var(--text-2)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--head);font-weight:500;font-size:.9rem;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:13px 15px;border:1.5px solid #d9dde3;border-radius:10px;
  font-family:var(--body);font-size:1rem;background:#fff;color:var(--text)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--fire);box-shadow:0 0 0 3px var(--fire-glow)}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.info-row .ic{width:44px;height:44px;border-radius:11px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;flex-shrink:0}
.info-row b{font-family:var(--head)}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:820px){.price-grid{grid-template-columns:1fr}}
.price-card{background:#fff;border:1px solid #eceef1;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);position:relative}
.price-card.feat{border:2px solid var(--fire);box-shadow:var(--shadow-lg)}
.price-card.feat::before{content:"Most popular";position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--fire);color:#fff;font-family:var(--head);font-size:.75rem;font-weight:600;padding:5px 14px;border-radius:100px}
.price-card h3{margin-bottom:4px}
.price-card .size{font-family:var(--head);font-size:2rem;font-weight:700;color:var(--ink)}
.price-card .note{color:var(--muted);font-size:.9rem;margin-bottom:18px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-2);padding:60px 0 30px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-family:var(--head);font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.site-footer a{color:var(--on-dark-2)}
.site-footer a:hover{color:#fff;text-decoration:none}
.footer-brand img{height:44px;width:auto;margin-bottom:16px}
.footer-brand p{font-size:.92rem;max-width:34ch}
.footer-bottom{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:.85rem}
.social{display:flex;gap:12px;margin-top:14px}
.social a{width:38px;height:38px;border-radius:9px;background:var(--ink-3);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.95rem}
.social a:hover{background:var(--fire);text-decoration:none}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(37,211,102,.5);
  color:#fff;font-size:1.6rem}
.wa-float:hover{text-decoration:none;transform:scale(1.06)}

/* ---------- Mobile refinements ---------- */
@media(max-width:640px){
  body{font-size:16px}
  section{padding:52px 0}
  .hero{padding:64px 0 56px}
  .hero-media{max-width:100%}
  .hero-media img{aspect-ratio:16/12}
  .btn-row{gap:10px}
  .btn,.btn-lg{padding:13px 20px;font-size:.98rem}
  .cta-band{padding:34px 22px}
  .container{padding:0 18px}
  .trustbar .container{gap:8px 16px;font-size:.82rem}
  .nav-cta .btn-primary{padding:10px 16px;font-size:.9rem}
  .brand img{height:34px}
  .stats{gap:26px 14px}
  table.compare{min-width:560px}
}
@media(max-width:400px){
  h1{font-size:1.95rem}
  .hero-badges{gap:7px}
  .chip{padding:6px 11px;font-size:.8rem}
}

/* utility */
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.pill{display:inline-block;background:var(--bg-soft-2);color:var(--text-2);padding:5px 12px;border-radius:100px;font-size:.82rem;font-weight:500;margin:3px}
.divider{height:1px;background:#eceef1;border:0;margin:0}
.disclaimer{font-size:.82rem;color:var(--muted);border-top:1px solid #eceef1;padding-top:18px;margin-top:10px}