:root{--warm-2:#E1685B}
/* ─────────── HERO ─────────── */
.bh{position:relative;background:#0a1518;color:#fff;padding-top:200px;padding-bottom:0;overflow:hidden;min-height:880px;display:flex;flex-direction:column;justify-content:flex-end}
.bh::before{content:"";position:absolute;inset:0;background:
 radial-gradient(900px 600px at 22% 18%, rgba(233,162,105,.30), transparent 60%),
 radial-gradient(700px 500px at 90% 100%, rgba(225,104,91,.16), transparent 60%);pointer-events:none}
/* Ember pattern */
.bh::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 30%, rgba(233,162,105,.07) 0 1px, transparent 2px),radial-gradient(circle at 75% 60%, rgba(225,104,91,.08) 0 1px, transparent 2px),radial-gradient(circle at 50% 85%, rgba(233,162,105,.05) 0 1px, transparent 2px);background-size:120px 120px;pointer-events:none}
.bh-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:end;padding:0 0 80px;position:relative;z-index:2}
.bh h1{font-family:var(--display);font-weight:500;font-size:clamp(56px,8vw,144px);line-height:.92;letter-spacing:-.04em;color:#fff;margin:32px 0 0;text-wrap:balance}
.bh h1 em{font-style:italic;color:var(--warm);font-weight:400}
.bh .lead{color:rgba(255,255,255,.78);font-size:clamp(18px,1.5vw,22px);line-height:1.55;max-width:580px;margin-top:32px}
.bh .actions{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}

.bh-aside{position:relative}
.bh-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:32px;backdrop-filter:blur(20px);position:relative;overflow:hidden}
.bh-card::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 400px at 100% 0%,rgba(233,162,105,.18),transparent 60%);pointer-events:none}
.bh-card .pulse{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--warm);margin-bottom:22px}
.bh-card .pulse::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 0 rgba(233,162,105,.6);animation:emberBlink 1.4s ease-out infinite}
@keyframes emberBlink{0%{box-shadow:0 0 0 0 rgba(233,162,105,.7)}100%{box-shadow:0 0 0 14px rgba(233,162,105,0)}}
.bh-card h3{font-family:var(--display);font-size:24px;font-weight:500;letter-spacing:-.015em;color:#fff;line-height:1.2;margin-bottom:6px}
.bh-card h3 em{font-style:italic;color:var(--warm);font-weight:400}
.bh-card .sub{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:24px;line-height:1.55}
.bh-card .row{display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13.5px;align-items:center}
.bh-card .row:first-of-type{border-top:0;padding-top:0}
.bh-card .row span:first-child{color:rgba(255,255,255,.65)}
.bh-card .row span:last-child{color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
.bh-card .row .warm{color:var(--warm)}
.bh-card .btn{margin-top:24px;width:100%;justify-content:center;background:var(--warm);color:var(--ink)}
.bh-card .btn:hover{background:#f0b682;transform:translateY(-2px)}
@media (max-width:980px){.bh-grid{grid-template-columns:1fr;gap:40px}.bh{min-height:auto;padding-bottom:60px}}

.bh-band{border-top:1px solid rgba(255,255,255,.12);padding:28px 0 36px;position:relative;z-index:2;background:#0a1518}
.bh-band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.bb-cell{display:flex;flex-direction:column;gap:6px}
.bb-cell + .bb-cell{padding-left:32px;border-left:1px solid rgba(255,255,255,.10)}
.bb-n{font-family:var(--display);font-size:34px;font-weight:500;letter-spacing:-.025em;line-height:1;color:#fff;display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums}
.bb-n small{font-size:.45em;color:var(--warm);font-weight:500}
.bb-l{font-size:13px;color:rgba(255,255,255,.6);font-weight:500;line-height:1.4}
@media (max-width:780px){.bh-band .container{grid-template-columns:repeat(2,1fr);row-gap:20px}.bb-cell:nth-child(odd){padding-left:0;border-left:0}}

/* DAMAGE CATEGORIES */
.dmg{padding:130px 0;background:#fff;color:var(--ink)}
.dmg-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:24px}
.dmg-card{grid-column:span 2;background:var(--paper);border-radius:20px;padding:32px 28px 28px;border:1px solid var(--line);position:relative;transition:transform .35s,box-shadow .35s,border-color .25s;overflow:hidden}
.dmg-card:hover{transform:translateY(-4px);border-color:var(--warm);box-shadow:0 24px 50px -22px rgba(233,162,105,.30)}
.dmg-card.feat{grid-column:span 3;background:var(--ink);color:#fff;border-color:rgba(255,255,255,.08)}
.dmg-card.wide{grid-column:span 3}
.dmg-num{font-family:var(--display);font-size:12.5px;font-weight:600;color:var(--mute);letter-spacing:.1em;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.dmg-num::before{content:"";width:24px;height:1px;background:currentColor}
.dmg-card.feat .dmg-num{color:var(--warm)}
.dmg-ico{width:46px;height:46px;border-radius:13px;background:#fff;border:1px solid var(--line);color:var(--warm);display:grid;place-items:center;margin-bottom:18px;transition:all .3s}
.dmg-card.feat .dmg-ico{background:rgba(233,162,105,.14);border-color:rgba(233,162,105,.32);color:var(--warm)}
.dmg-card:hover .dmg-ico{background:var(--warm);color:#fff;border-color:var(--warm);transform:rotate(-4deg)}
.dmg-ico svg{width:22px;height:22px}
.dmg-card h3{font-family:var(--display);font-size:24px;font-weight:500;letter-spacing:-.018em;color:var(--ink);line-height:1.15;margin-bottom:10px}
.dmg-card.feat h3{color:#fff;font-size:34px}
.dmg-card h3 em{font-style:italic;color:var(--warm);font-weight:400}
.dmg-card p{font-size:14.5px;line-height:1.6;color:var(--slate);margin-bottom:18px}
.dmg-card.feat p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:380px}
.dmg-mini{display:flex;justify-content:space-between;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--mute);letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.dmg-card.feat .dmg-mini{border-top-color:rgba(255,255,255,.10);color:rgba(255,255,255,.55)}
.dmg-mini strong{color:var(--ink);font-family:var(--display);font-size:18px;font-weight:500;text-transform:none}
.dmg-card.feat .dmg-mini strong{color:#fff}
@media (max-width:980px){.dmg-grid{grid-template-columns:repeat(2,1fr)}.dmg-card,.dmg-card.feat,.dmg-card.wide{grid-column:span 1}}
@media (max-width:520px){.dmg-grid{grid-template-columns:1fr}}

/* PROTOCOL — 5 stages */
.proto{padding:140px 0;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.proto::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 90% 50%, rgba(233,162,105,.20), transparent 60%);pointer-events:none}
.proto .container{position:relative;z-index:1}
.proto-head{max-width:820px;margin-bottom:64px}
.proto-head h2{color:#fff;font-family:var(--display);font-size:clamp(40px,5vw,76px);line-height:1.02;letter-spacing:-.028em;font-weight:500;margin-top:16px}
.proto-head h2 em{font-style:italic;color:var(--warm);font-weight:400}
.proto-head p{color:rgba(255,255,255,.72);font-size:17.5px;line-height:1.6;margin-top:18px;max-width:580px}

.proto-rail{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;position:relative}
.proto-rail::before{content:"";position:absolute;left:0;right:0;top:42px;height:1px;background:linear-gradient(90deg,transparent,rgba(233,162,105,.4) 10%,rgba(233,162,105,.4) 90%,transparent);pointer-events:none}
.ps{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:0;display:flex;flex-direction:column;position:relative;transition:all .3s;overflow:hidden}
.ps:hover{transform:translateY(-3px);border-color:rgba(233,162,105,.4)}
.ps .dot{width:24px;height:24px;border-radius:50%;background:var(--ink);border:2px solid var(--warm);margin:30px auto 0;position:relative;z-index:2;display:grid;place-items:center;color:var(--warm);font-family:var(--display);font-size:11px;font-weight:600;letter-spacing:-.02em}
.ps .bd{padding:24px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.ps h4{font-family:var(--display);font-size:20px;font-weight:500;letter-spacing:-.015em;color:#fff;line-height:1.15;margin-top:14px}
.ps h4 em{font-style:italic;color:var(--warm);font-weight:400}
.ps p{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.55}
.ps .tm{font-size:11px;color:rgba(233,162,105,.85);letter-spacing:.08em;text-transform:uppercase;font-weight:600;margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}
@media (max-width:1100px){.proto-rail{grid-template-columns:repeat(2,1fr)}.proto-rail::before{display:none}}
@media (max-width:520px){.proto-rail{grid-template-columns:1fr}}

/* METHODS / OZONE / HYDROXYL */
.met{padding:130px 0;background:#fff;color:var(--ink)}
.met-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}
.met-l{position:sticky;top:120px}
.met-l h2{font-family:var(--display);font-size:clamp(36px,4.5vw,64px);line-height:1.04;letter-spacing:-.025em;font-weight:500;color:var(--ink);text-wrap:balance;margin-top:16px}
.met-l h2 em{font-style:italic;color:var(--warm);font-weight:400}
.met-l p{color:var(--slate);font-size:16.5px;line-height:1.6;margin-top:18px}
.met-l .compare{margin-top:28px;padding:24px;background:var(--paper);border:1px solid var(--line);border-radius:18px;display:flex;flex-direction:column;gap:14px}
.met-l .compare h4{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);font-weight:600}
.met-l .compare .row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.met-l .compare .row:last-child{border-bottom:0}
.met-l .compare .row span:first-child{color:var(--slate)}
.met-l .compare .row span:last-child{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}

.met-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.met-c{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px;display:flex;flex-direction:column;gap:12px;transition:all .3s;cursor:default;position:relative}
.met-c:hover{border-color:var(--warm);box-shadow:0 20px 40px -22px rgba(233,162,105,.30);transform:translateY(-3px)}
.met-c .num{font-family:var(--display);font-size:11.5px;color:var(--mute);font-weight:600;letter-spacing:.1em}
.met-c .ic{width:42px;height:42px;border-radius:11px;background:#FDEED9;color:var(--warm);display:grid;place-items:center;transition:all .3s}
.met-c .ic svg{width:20px;height:20px}
.met-c h4{font-family:var(--display);font-size:22px;font-weight:500;letter-spacing:-.015em;color:var(--ink);line-height:1.15}
.met-c h4 em{font-style:italic;color:var(--warm);font-weight:400}
.met-c p{font-size:13.5px;color:var(--slate);line-height:1.55}
.met-c .tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;padding-top:14px;border-top:1px solid var(--line)}
.met-c .tag-row span{font-size:11px;padding:4px 10px;background:var(--paper);border-radius:999px;color:var(--slate);font-weight:500}
.met-c.wide{grid-column:span 2}
@media (max-width:980px){.met-grid{grid-template-columns:1fr;gap:48px}.met-l{position:static}}
@media (max-width:620px){.met-cards{grid-template-columns:1fr}.met-c.wide{grid-column:span 1}}

/* RECONSTRUCTION STRIP */
.recon{padding:48px 0;background:#0a1518;color:#fff;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.recon .container{display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center}
.recon h4{font-family:var(--display);font-size:clamp(22px,2.4vw,32px);font-weight:500;letter-spacing:-.018em;color:#fff;line-height:1.2}
.recon h4 em{font-style:italic;color:var(--warm);font-weight:400}
.recon p{color:rgba(255,255,255,.7);font-size:15px;line-height:1.55;margin-top:6px;max-width:580px}
@media (max-width:760px){.recon .container{grid-template-columns:1fr}}

/* FAQ */
.fq{padding:130px 0;background:#fff;color:var(--ink)}
.fq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}
.fq-l h2{font-size:clamp(36px,4.6vw,64px);line-height:1.04;font-family:var(--display);font-weight:500;letter-spacing:-.025em;color:var(--ink);text-wrap:balance}
.fq-l h2 em{font-style:italic;color:var(--warm);font-weight:400}
.fq-l p{color:var(--slate);font-size:15.5px;line-height:1.6;margin:18px 0 28px;max-width:380px}
.fq-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.fq-it{border-bottom:1px solid var(--line);padding:6px 0}
.fq-it summary{list-style:none;cursor:pointer;padding:22px 12px 22px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;font-family:var(--display);font-size:20px;font-weight:500;letter-spacing:-.012em;color:var(--ink);line-height:1.3;transition:color .2s}
.fq-it summary::-webkit-details-marker{display:none}
.fq-it summary:hover{color:var(--warm)}
.fq-it summary .pl{width:32px;height:32px;border-radius:999px;background:var(--ink);color:#fff;display:grid;place-items:center;flex-shrink:0;transition:transform .35s,background .25s}
.fq-it[open] summary .pl{transform:rotate(45deg);background:var(--warm)}
.fq-it[open] summary{color:var(--warm)}
.fq-it summary .pl svg{width:12px;height:12px}
.fq-ans{padding:0 12px 22px 0;font-size:14.5px;line-height:1.65;color:var(--slate);max-width:600px}
@media (max-width:900px){.fq-grid{grid-template-columns:1fr;gap:40px}}

/* FINAL CTA */
.fcta{padding:130px 0;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.fcta::before{content:"";position:absolute;inset:0;background:
 radial-gradient(900px 500px at 20% 30%, rgba(233,162,105,.22), transparent 60%),
 radial-gradient(700px 500px at 90% 90%, rgba(225,104,91,.10), transparent 60%);pointer-events:none}
.fcta .container{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr 1fr;gap:80px;align-items:center}
.fcta h2{color:#fff;font-size:clamp(44px,5.6vw,96px);line-height:1;letter-spacing:-.035em;font-weight:500;font-family:var(--display);text-wrap:balance}
.fcta h2 em{font-style:italic;color:var(--warm);font-weight:400}
.fcta p{color:rgba(255,255,255,.78);font-size:18px;line-height:1.55;margin-top:22px;max-width:560px}
.fcta .actions{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}
.fcta-aside{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:24px;padding:32px;display:flex;flex-direction:column;gap:18px}
.fcta-aside h4{font-family:var(--display);font-size:18px;color:#fff;font-weight:500;letter-spacing:-.01em}
.fcta-aside .line{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:13.5px}
.fcta-aside .line:last-child{border-bottom:0}
.fcta-aside .line span:first-child{color:rgba(255,255,255,.6)}
.fcta-aside .line span:last-child{color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
@media (max-width:840px){.fcta .container{grid-template-columns:1fr;gap:40px}}