:root{
  --white:#ffffff;
  --bg:#eef7ff;
  --text:#122033;
  --muted:#5d6b7c;
  --blue:#135dbe;
  --blue-deep:#0d3d85;
  --red:#d62828;
  --green:#1f9d55;
  --yellow:#f7c948;
  --soft-blue:#e7f1ff;
  --soft-red:#ffe9e9;
  --soft-green:#e9f7ef;
  --soft-yellow:#fff6d8;
  --line:rgba(18,32,51,.10);
  --shadow:0 18px 50px rgba(18,32,51,.08);
  --radius:30px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#eef7ff 0%,#ffffff 34%,#f7fbff 68%,#eef8f0 100%);
}
img{max-width:100%;display:block}
a{text-decoration:none}
.container{width:min(1280px,calc(100% - 40px));margin:0 auto}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(135deg,#ffffff 0%,#e7f1ff 50%,#fff6d8 100%)}
.hero-bg{position:absolute;inset:0;background:radial-gradient(circle at top left, rgba(31,157,85,.12), transparent 20%),radial-gradient(circle at top right, rgba(214,40,40,.14), transparent 24%),radial-gradient(circle at bottom left, rgba(247,201,72,.18), transparent 24%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;padding:70px 0}
.eyebrow,.section-kicker,.mini-kicker,.floating-tag,.quote-card small,.product-info small{letter-spacing:.22em;text-transform:uppercase;font-weight:800;font-size:.76rem}
.eyebrow{display:inline-flex;padding:12px 16px;border-radius:999px;background:rgba(255,255,255,.86);border:1px solid rgba(19,93,190,.18);color:var(--blue-deep)}
.hero h1{font-size:clamp(3rem,8vw,6rem);line-height:.95;margin:18px 0 0;font-weight:900}
.hero h1 span{color:var(--red)}
.hero-copy p,.section-head p,.info-card p,.credential-card p,.method-card p,.philosophy-panel p,.natfire-grid p,.footer-cta p{font-size:1.04rem;line-height:1.9;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 24px;border-radius:18px;font-size:.86rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;transition:.25s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-secondary{background:rgba(255,255,255,.72);color:var(--text);border:1px solid var(--line)}
.btn-light{background:#fff;color:var(--blue-deep)}
.btn-gold{background:var(--yellow);color:var(--text)}
.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:34px;max-width:560px}
.stat-card{padding:18px;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}
.stat-card strong{display:block;font-size:1.9rem;font-weight:900;margin-bottom:6px}
.stat-card span{font-size:.98rem;color:var(--muted)}
.blue{background:var(--soft-blue)} .red{background:var(--soft-red)} .green{background:var(--soft-green)} .yellow{background:var(--soft-yellow)}
.hero-visuals{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:center}
.hero-main-card,.hero-image-wrap.side,.quote-card,.product-card,.footer-panel,.info-card,.credential-card,.method-card{box-shadow:var(--shadow)}
.hero-main-card{padding:16px;border-radius:32px;background:rgba(255,255,255,.88);border:1px solid rgba(19,93,190,.12)}
.hero-image-wrap{position:relative;overflow:hidden;border-radius:26px}
.hero-image-wrap.main{min-height:520px;background:linear-gradient(180deg,#dfeeff 0%,#ffffff 100%)}
.hero-image-wrap.main img{position:absolute;inset:auto 0 0 0;width:100%;height:100%;object-fit:contain}
.hero-image-wrap.side{min-height:250px;padding:16px;background:var(--white);border:1px solid var(--line)}
.hero-image-wrap.side img{height:100%;width:100%;object-fit:contain;background:var(--soft-yellow);border-radius:22px}
.floating-tag{position:absolute;left:16px;top:16px;background:var(--red);color:#fff;padding:8px 12px;border-radius:999px}
.quote-card{padding:24px;border-radius:28px;background:linear-gradient(135deg,var(--blue) 0%,var(--green) 100%);color:#fff}
.quote-card small,.white-fade{color:rgba(255,255,255,.78)}
.quote-card h3{margin:10px 0 0;font-size:1.8rem}
.quote-card p{margin:14px 0 0;color:rgba(255,255,255,.92);font-size:.98rem;line-height:1.8}
.section{padding:92px 0}
.section-soft{background:linear-gradient(180deg,#f8fbff 0%,#ffffff 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-yellow{background:linear-gradient(180deg,#fff6d8 0%,#ffffff 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:900px;margin-bottom:34px}
.section-head.split{display:grid;grid-template-columns:1fr .95fr;gap:28px;align-items:end;max-width:none}
.section-head h2,.philosophy-panel h2,.footer-cta h2,.natfire-grid h2{font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;margin:12px 0 0;font-weight:900}
.card-grid{display:grid;gap:22px}
.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.info-card,.credential-card,.method-card{padding:28px;border-radius:28px;border:1px solid var(--line)}
.tone-blue{background:var(--soft-blue)} .tone-red{background:var(--soft-red)} .tone-green{background:var(--soft-green)} .tone-yellow{background:var(--soft-yellow)}
.blue-text{color:var(--blue)} .red-text{color:var(--red)} .green-text{color:var(--green)} .yellow-text{color:#c69309}
.info-card h3,.method-card h3,.credential-card h3{margin:14px 0 0;font-size:1.38rem;line-height:1.3}
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.gallery-card{position:relative;overflow:hidden;border-radius:32px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);min-height:380px}
.gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.gallery-card:hover img{transform:scale(1.06)}
.gallery-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff}
.gallery-overlay h3{margin:0;font-size:1.8rem;font-weight:900}
.gallery-overlay p{margin:10px 0 0;color:rgba(255,255,255,.92);font-size:.98rem;line-height:1.75;max-width:520px}
.blue-grad{background:linear-gradient(180deg, rgba(19,93,190,.02), rgba(19,93,190,.55))}
.red-grad{background:linear-gradient(180deg, rgba(214,40,40,.02), rgba(214,40,40,.55))}
.green-grad{background:linear-gradient(180deg, rgba(31,157,85,.02), rgba(31,157,85,.55))}
.dark-grad{background:linear-gradient(180deg, rgba(247,201,72,.02), rgba(18,32,51,.68))}
.credential-top{display:flex;gap:16px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.credential-top span{display:inline-flex;background:rgba(255,255,255,.8);color:var(--blue-deep);padding:8px 12px;border-radius:999px;font-weight:800;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase}
.philosophy-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}
.philosophy-panel{padding:36px;border-radius:32px;background:linear-gradient(135deg,var(--blue) 0%,var(--blue-deep) 100%);color:#fff;box-shadow:var(--shadow)}
.philosophy-panel p{color:rgba(255,255,255,.88)}
.philosophy-panel blockquote{margin:28px 0;padding:22px 24px;border-left:4px solid var(--yellow);border-radius:22px;background:rgba(255,255,255,.10);font-size:1.5rem;font-weight:700;line-height:1.5}
.method-stack{display:grid;gap:18px}
.natfire-grid{display:grid;grid-template-columns:1fr .95fr;gap:28px;align-items:center}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.chip{display:inline-flex;padding:11px 16px;border-radius:999px;color:#fff;font-size:.92rem;font-weight:700}
.chip.yellow{color:var(--text)}
.natfire-visuals{display:grid;grid-template-columns:.88fr 1.12fr;gap:18px}
.product-card{padding:16px;border-radius:32px;border:1px solid var(--line);background:#fff}
.product-card img{width:100%;height:420px;object-fit:contain;border-radius:24px;background:linear-gradient(180deg,#ffffff 0%,#eef7ff 100%)}
.product-info{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:28px;border-radius:32px;background:linear-gradient(135deg,var(--green) 0%,var(--blue) 100%);color:#fff;box-shadow:var(--shadow)}
.product-info > div{padding:20px;border-radius:24px;background:rgba(255,255,255,.12)}
.product-info strong{display:block;font-size:2rem;font-weight:900}
.product-info span{display:block;margin-top:8px;color:rgba(255,255,255,.82)}
.product-info .wide{grid-column:1/-1}
.product-info .wide p{color:rgba(255,255,255,.9);margin:.65rem 0 0;line-height:1.8}
.footer-cta{padding:0 0 80px}
.footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;padding:40px;border-radius:34px;background:linear-gradient(135deg,var(--blue) 0%,var(--red) 50%,var(--green) 100%);box-shadow:0 24px 70px rgba(18,32,51,.18)}
.footer-cta p,.footer-cta h2{color:#fff}
.footer-panel{padding:28px;border-radius:28px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10)}
.footer-panel ul{margin:0;padding-left:18px;color:#fff;line-height:2}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease, transform .65s ease}
.reveal.visible{opacity:1;transform:none}
@media (max-width: 1100px){
  .hero-grid,.section-head.split,.philosophy-grid,.natfire-grid,.footer-grid{grid-template-columns:1fr}
  .hero-visuals,.natfire-visuals{grid-template-columns:1fr}
  .card-grid.four,.card-grid.three,.card-grid.two,.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 720px){
  .container{width:min(100% - 28px,1280px)}
  .hero-grid{padding:50px 0}
  .section{padding:70px 0}
  .card-grid.four,.card-grid.three,.card-grid.two,.gallery-grid,.stats-grid,.product-info{grid-template-columns:1fr}
  .product-info .wide{grid-column:auto}
  .hero-main-card,.info-card,.credential-card,.method-card,.footer-panel,.quote-card,.product-card,.philosophy-panel{border-radius:24px}
}