/*
 * IZOMATE main stylesheet.
 * SOURCE OF TRUTH: extracted verbatim from brand/mockups/home-v1.html (approved 2026-11-07).
 * Do not restyle. Add new rules for new templates at the END of this file, using the same tokens.
 */
/* Layout: website mockup. Dark graphite hero and feature bands alternate with frost light bands. Single brand look by design (website colors are fixed). */
:root{
  --graphite:#14181C; --slate:#1F2A30; --slate-2:#263239; --frost:#EFF3F4; --white:#FFFFFF;
  --glacier:#5FD0C4; --glacier-deep:#0E6762; --amber:#E8A33D; --amber-hover:#F0B457;
  --on-dark:#EEF3F4; --on-dark-muted:#A3B0B7; --on-light:#14181C; --on-light-muted:#55616A;
  --hair-dark:#2A333A; --hair-light:#D3DCDF; --heat:#E8793D;
  --display:"Sora",ui-sans-serif,system-ui,sans-serif;
  --body:"Manrope",ui-sans-serif,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --max:1200px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--graphite);color:var(--on-dark);font-family:var(--body);font-size:16px;line-height:1.6}
a{color:inherit}
img,svg{max-width:100%}
.in{max-width:var(--max);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.band{padding-block:96px}
.band.light{background:var(--frost);color:var(--on-light)}
.band.slate{background:var(--slate)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--glacier)}
.light .eyebrow{color:var(--glacier-deep)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0}
h2{font-size:clamp(30px,4vw,46px);line-height:1.1;letter-spacing:-.02em;font-weight:700}
h3{font-size:20px;line-height:1.25;font-weight:600}
.lead{font-size:18px;color:var(--on-dark-muted);max-width:60ch;margin:16px 0 0}
.light .lead{color:var(--on-light-muted)}
.head{display:grid;gap:10px;margin-bottom:48px;max-width:760px}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--body);font-weight:700;font-size:15px;padding:14px 22px;border-radius:6px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.btn.primary{background:var(--amber);color:var(--graphite)}
.btn.primary:hover{background:var(--amber-hover);transform:translateY(-1px)}
.btn.ghost{border-color:#45525B;color:var(--on-dark)}
.btn.ghost:hover{border-color:var(--glacier)}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--glacier);outline-offset:3px}
.mock-note{font-family:var(--mono);font-size:11px;color:var(--on-dark-muted);letter-spacing:.04em}
.light .mock-note{color:var(--on-light-muted)}

/* Top bar + header */
.topbar{background:#0F1215;font-size:13px;color:var(--on-dark-muted);border-bottom:1px solid var(--hair-dark)}
.topbar .in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 20px;padding-block:8px}
.topbar b{color:var(--on-dark);font-weight:600}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--graphite)}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:1000;background:rgba(20,24,28,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--hair-dark)}
header.site .in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.brand svg{height:40px;width:auto;display:block}
nav.main ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;font-size:14px;font-weight:600}
nav.main a{text-decoration:none;color:var(--on-dark-muted)}
nav.main a:hover{color:var(--on-dark)}
nav.main a.pri{color:var(--on-dark)}
nav.main li{position:relative}
nav.main .sub-menu{position:absolute;top:100%;left:0;min-width:240px;background:rgba(20,24,28,.98);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--hair-dark);border-radius:8px;padding:8px 0;display:flex;flex-direction:column;gap:2px;box-shadow:0 16px 36px rgba(0,0,0,.6);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease,visibility .2s;z-index:1001;list-style:none}
nav.main li:hover > .sub-menu,nav.main li:focus-within > .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
nav.main .sub-menu li{padding:0}
nav.main .sub-menu a{display:block;padding:9px 18px;font-size:13.5px;font-weight:500;color:var(--on-dark);transition:background .15s,color .15s;white-space:nowrap}
nav.main .sub-menu a:hover,nav.main .sub-menu a:focus{background:var(--slate);color:var(--glacier)}
header .btn{padding:10px 16px;font-size:14px}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(80% 90% at 85% 10%,#22313A 0%,var(--graphite) 60%);padding-block:88px 72px}
.hero .in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(38px,5.6vw,68px);line-height:1.02;letter-spacing:-.03em;font-weight:700;margin:18px 0 0}
.hero h1 em{font-style:normal;color:var(--glacier)}
.hero .lead{font-size:19px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.chips span{font-family:var(--mono);font-size:12px;padding:6px 10px;border:1px solid var(--hair-dark);border-radius:4px;color:var(--on-dark-muted);background:rgba(255,255,255,.02)}
.roofviz{position:relative;min-width:0}
.roofviz svg{width:100%;height:auto;display:block}
.ray{stroke-dasharray:6 8;animation:flow 2.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-28}}
.temp{font-family:var(--mono)}

/* Audience switch */
.switch{display:inline-flex;background:var(--slate);border:1px solid var(--hair-dark);border-radius:8px;padding:4px;gap:4px;margin-bottom:28px}
.switch button{font-family:var(--body);font-weight:700;font-size:15px;color:var(--on-dark-muted);background:transparent;border:0;border-radius:6px;padding:12px 20px;cursor:pointer}
.switch button[aria-selected="true"]{background:var(--glacier);color:var(--graphite)}
.aud{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.aud ul{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--hair-dark)}
.aud li{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--hair-dark)}
.aud li i{font-style:normal;font-family:var(--mono);color:var(--glacier);font-size:13px;padding-top:2px}
.aud li b{display:block;font-weight:700}
.aud li span{color:var(--on-dark-muted);font-size:15px}
.aud .side{display:grid;gap:18px}
.aud .side p{margin:0;color:var(--on-dark-muted);font-size:17px}

/* Core services */
.core{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.svc{background:var(--white);border:1px solid var(--hair-light);border-radius:10px;padding:36px;display:grid;gap:18px;align-content:start;min-width:0}
.svc .ico{width:56px;height:56px;border-radius:10px;background:var(--graphite);display:grid;place-items:center}
.svc h3{font-size:28px}
.svc p{margin:0;color:var(--on-light-muted)}
.svc ul{list-style:none;margin:0;padding:0;display:grid}
.svc li a{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--hair-light);text-decoration:none;font-weight:600}
.svc li a:hover{color:var(--glacier-deep)}
.svc li a span{font-family:var(--mono);font-size:12px;color:var(--on-light-muted);font-weight:400}

/* Roof layers */
.layers{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.layer-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.layer-list button{width:100%;text-align:left;display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;font-family:var(--body);font-size:16px;font-weight:600;color:var(--on-dark-muted);background:transparent;border:1px solid var(--hair-dark);border-radius:8px;padding:14px 16px;cursor:pointer;transition:all .2s}
.layer-list button i{font-style:normal;font-family:var(--mono);font-size:12px}
.layer-list button small{font-family:var(--mono);font-size:11px;font-weight:400}
.layer-list button[aria-pressed="true"]{background:var(--slate-2);border-color:var(--glacier);color:var(--on-dark)}
.layer-list button[aria-pressed="true"] i{color:var(--glacier)}
.layer-detail{margin-top:20px;padding:20px;border-left:2px solid var(--glacier);background:rgba(95,208,196,.05);border-radius:0 8px 8px 0;min-height:118px}
.layer-detail h3{font-size:18px;margin-bottom:6px}
.layer-detail p{margin:0;color:var(--on-dark-muted);font-size:15px}
.layer-detail a{color:var(--glacier);font-weight:700;font-size:14px;text-decoration:none;display:inline-block;margin-top:10px}
.stack svg{width:100%;height:auto;display:block}
.stack .ly{transition:transform .45s cubic-bezier(.2,.7,.2,1),opacity .3s}
.stack .ly.dim{opacity:.35}

/* Secondary services */
.sec{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mini{background:var(--white);color:var(--on-light);border:1px solid var(--hair-light);border-radius:8px;padding:22px;text-decoration:none;display:grid;gap:6px;min-width:0}
.mini:hover{border-color:var(--glacier-deep)}
.mini small{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--glacier-deep)}
.mini b{font-family:var(--display);font-size:17px;font-weight:600;color:var(--on-light)}
.mini span{font-size:14px;color:var(--on-light-muted)}

/* Why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--hair-dark);border:1px solid var(--hair-dark);border-radius:10px;overflow:hidden}
.why div{background:var(--graphite);padding:28px;display:grid;gap:10px;align-content:start}
.why b{font-family:var(--display);font-size:34px;color:var(--glacier);font-variant-numeric:tabular-nums;line-height:1}
.why h3{font-size:17px}
.why p{margin:0;color:var(--on-dark-muted);font-size:14px}

/* Before / after */
.ba-wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.ba{position:relative;aspect-ratio:16/10;border-radius:10px;overflow:hidden;max-width:100%;user-select:none}
.ba .pane{position:absolute;inset:0;display:grid;align-content:end;padding:18px}
.ba .before{background:
  url('../img/izomate-before-roof-dubai.webp') center/cover no-repeat,
  #75716A}
.ba .after{background:
  url('../img/izomate-after-roof-dubai.webp') center/cover no-repeat,
  #E9EEEF;clip-path:inset(0 0 0 var(--pos,50%))}
.ba .tagp{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;background:rgba(20,24,28,.8);color:var(--on-dark);padding:5px 9px;border-radius:4px;justify-self:start}
.ba .after .tagp{justify-self:end}
.ba .handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;background:var(--white);transform:translateX(-1px);pointer-events:none}
.ba .handle::after{content:"⟷";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:var(--white);color:var(--graphite);display:grid;place-items:center;font-size:16px}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.slot{font-family:var(--mono);font-size:11px;color:var(--on-light-muted)}
.facts{display:grid;gap:0;margin:20px 0 0;border-top:1px solid var(--hair-light)}
.facts div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--hair-light);font-size:15px}
.facts dt{color:var(--on-light-muted)} .facts dd{margin:0;font-weight:700;font-family:var(--mono);font-size:14px}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s;list-style:none;margin:0;padding:0}
.steps li{border-top:2px solid var(--hair-dark);padding-top:20px;display:grid;gap:8px;position:relative}
.steps li::before{counter-increment:s;content:"0" counter(s);font-family:var(--mono);font-size:13px;color:var(--glacier)}
.steps li:first-child{border-top-color:var(--glacier)}
.steps p{margin:0;color:var(--on-dark-muted);font-size:15px}

/* FAQ */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
.faq details{border-bottom:1px solid var(--hair-light)}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-family:var(--display);font-weight:600;font-size:18px;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--glacier-deep);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 20px;color:var(--on-light-muted);max-width:64ch}

/* CTA + footer */
.cta{background:linear-gradient(120deg,#16807A 0%,#1F2A30 70%);padding-block:72px}
.cta .in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px}
.cta h2{max-width:20ch}
footer{background:#0F1215;padding-block:64px 32px;font-size:14px;color:var(--on-dark-muted)}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer h3,footer h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark);margin:0 0 14px;font-weight:500}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
footer a{text-decoration:none} footer a:hover{color:var(--on-dark)}
footer .brand svg{height:52px;width:auto}
footer .phones{display:grid;gap:4px;margin-top:16px;font-family:var(--mono);color:var(--on-dark)}
footer .legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--hair-dark);margin-top:48px;padding-top:20px;font-size:12px}
footer .legal ul.legal-links{display:inline-flex;align-items:center;gap:16px;list-style:none;margin:0;padding:0}
footer .legal ul.legal-links li{margin:0;padding:0}
footer .legal ul.legal-links a{color:var(--on-dark-muted);transition:color .15s}
footer .legal ul.legal-links a:hover{color:var(--on-dark)}

.mockbar{background:var(--amber);color:var(--graphite);font-family:var(--mono);font-size:12px;text-align:center;padding:8px 16px}

@media (max-width:1000px){
  nav.main{display:none}
  .hero .in,.aud,.layers,.ba-wrap,.faq{grid-template-columns:1fr}
  .core{grid-template-columns:1fr}
  .sec,.why,.steps{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .band{padding-block:64px}
  .sec,.why,.steps,footer .cols{grid-template-columns:1fr}
  .svc{padding:24px}
  header .btn{display:none}
  .switch{display:flex}.switch button{flex:1;padding:12px 8px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}


/* Mobile menu & Header Actions (added per BUILD-GUIDE.md Step 3) */
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;background:transparent;border:1px solid var(--hair-dark);border-radius:6px;padding:8px 10px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center;color:var(--on-dark);transition:border-color .2s,background .2s}
.menu-toggle:hover{border-color:var(--glacier)}
.menu-toggle .bar{width:22px;height:2px;background-color:currentColor;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.menu-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

body.nav-open .topbar{display:none}
body.nav-open header.site{position:fixed;top:env(safe-area-inset-top,0px);left:0;right:0;width:100%;z-index:1000}

@media (max-width:1000px){
  .menu-toggle{display:flex}
  .mobile-nav{position:fixed;inset:0;top:0;left:0;right:0;bottom:0;width:100%;height:100vh;height:100dvh;background:rgba(20,24,28,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:none;z-index:999;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:calc(env(safe-area-inset-top,0px) + 84px) 20px 48px;display:flex;flex-direction:column;gap:20px}
  .mobile-nav[hidden]{display:none}
  .mobile-menu ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
  .mobile-menu li.menu-item-has-children{display:flex;flex-wrap:wrap;align-items:center}
  .mobile-menu li.menu-item-has-children > a{flex:1;min-width:0}
  .mobile-menu .sub-toggle{background:transparent;border:none;color:var(--on-dark-muted);padding:10px 14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .15s,transform .2s;border-radius:4px}
  .mobile-menu .sub-toggle:hover{color:var(--glacier);background:var(--slate)}
  .mobile-menu .sub-toggle[aria-expanded="false"] svg{transform:rotate(-90deg)}
  .mobile-menu > ul > li > a{display:block;padding:12px 14px;font-size:16px;font-weight:700;color:var(--on-dark);text-decoration:none;border-radius:6px;transition:background .2s,color .2s}
  .mobile-menu > ul > li > a:hover,.mobile-menu > ul > li > a:focus{background:var(--slate);color:var(--glacier)}
  .mobile-menu > ul > li > a.pri{color:var(--glacier)}
  .mobile-menu .sub-menu{width:100%;list-style:none;margin:2px 0 8px 12px;padding-left:14px;border-left:2px solid var(--glacier-deep);display:flex;flex-direction:column;gap:2px}
  .mobile-menu .sub-menu[hidden]{display:none}
  .mobile-menu .sub-menu li a{font-size:14px;font-weight:500;color:var(--on-dark-muted);padding:8px 12px;border-radius:4px;display:block;text-decoration:none}
  .mobile-menu .sub-menu li a:hover{color:var(--glacier);background:var(--slate)}
  .mobile-contact{border-top:1px solid var(--hair-dark);padding-top:20px;display:grid;gap:12px;font-family:var(--mono);font-size:13px;color:var(--on-dark-muted)}
  .mobile-contact strong{color:var(--glacier)}
  .mobile-contact a{color:var(--on-dark);text-decoration:none}
  .mobile-contact a:hover{color:var(--glacier)}
  .mobile-nav .btn.primary{display:inline-flex;width:100%;justify-content:center;text-align:center;padding:14px 20px;font-size:15px;font-weight:700}
}


/* Service & Hub Page Styles (added per BUILD-GUIDE.md Step 5) */
.breadcrumb-bar{background:var(--slate);font-size:13px;border-bottom:1px solid var(--hair-dark);padding-block:12px}
.breadcrumb-bar a{color:var(--on-dark-muted);text-decoration:none}
.breadcrumb-bar a:hover{color:var(--glacier)}
.breadcrumb-bar span{color:var(--on-dark);font-weight:600}

.specs-table-wrapper{overflow-x:auto;margin-top:24px}
.specs-table{width:100%;border-collapse:collapse;font-size:15px;background:var(--white);border-radius:8px;overflow:hidden;border:1px solid var(--hair-light)}
.specs-table th,.specs-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--hair-light)}
.specs-table th{background:var(--slate);color:var(--on-dark);font-family:var(--display);font-size:14px;letter-spacing:.02em}
.specs-table td{color:var(--on-light)}
.specs-table tr:last-child td{border-bottom:none}

.layer-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.layer-card{background:var(--graphite);border:1px solid var(--hair-dark);border-radius:8px;padding:24px;display:grid;gap:8px}
.layer-num{font-family:var(--mono);color:var(--glacier);font-size:13px}
.layer-card h3{font-size:18px;color:var(--on-dark)}
.layer-card p{margin:0;color:var(--on-dark-muted);font-size:14px}

@media(max-width:1000px){
  .layer-cards-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .layer-cards-grid{grid-template-columns:1fr}
}