/* ============================================================
   BETTER TINTING — Design System
   Concept: "Glass & Light". Deep obsidian glass tones, amber
   signal accent (trust/premium), ceramic-blue used sparingly.
   ============================================================ */

:root{
  /* Palette */
  --obsidian:#0B0E11;     /* page background */
  --carbon:#14181D;       /* raised surface */
  --carbon-2:#1B2026;     /* card surface */
  --smoke:#2A3138;        /* borders / dividers */
  --ash:#9AA6B0;          /* muted text */
  --bone:#ECEFF1;         /* primary text */
  --amber:#E8A33D;        /* signature accent */
  --amber-deep:#C9822A;
  --ceramic:#5FB6C9;      /* secondary accent, sparingly */
  --good:#3FBF7F;

  /* Type */
  --display:"Bricolage Grotesque",-apple-system,BlinkMacSystemFont,sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;

  /* Layout */
  --maxw:1200px;
  --gutter:clamp(20px,5vw,64px);
  --radius:14px;
  --radius-sm:9px;

  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --ring:0 0 0 1px var(--smoke);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  background:var(--obsidian);
  color:var(--bone);
  line-height:1.6;
  font-size:17px;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--amber);font-weight:500;
  display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);display:inline-block}
.muted{color:var(--ash)}
.center{text-align:center}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.05;letter-spacing:-.02em}
h1{font-size:clamp(2.5rem,6vw,4.7rem)}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:clamp(1.25rem,2.4vw,1.6rem)}
section{padding-block:clamp(64px,9vw,120px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  padding:14px 26px;border-radius:100px;font-weight:600;font-size:.98rem;
  border:1px solid transparent;transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.btn-primary{background:var(--amber);color:#1a1206;box-shadow:0 10px 30px -8px rgba(232,163,61,.5)}
.btn-primary:hover{transform:translateY(-2px);background:#f3b052}
.btn-ghost{border-color:var(--smoke);color:var(--bone);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--amber);transform:translateY(-2px)}
.btn-block{width:100%;justify-content:center}

/* ---------- Top call bar ---------- */
.topbar{
  background:linear-gradient(90deg,var(--amber-deep),var(--amber));
  color:#1a1206;font-size:.82rem;font-weight:600;text-align:center;
  padding:7px 16px;font-family:var(--mono);letter-spacing:.02em;
}
.topbar a{text-decoration:underline;text-underline-offset:2px}

/* ---------- Header ---------- */
.site-header{
  position:-webkit-sticky;position:sticky;top:0;z-index:60;
  background:white;backdrop-filter:blur(14px);
  border-bottom:1px solid #ddd;
}
.nav{display:flex;align-items:center;justify-content:center;gap:20px;position:relative;padding-block:10px}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-left a,.nav-right a{padding:10px 20px;border-radius:8px;font-size:.92rem;color:darkred;font-weight:600;transition:border-color .15s;white-space:nowrap;text-decoration:none;border-bottom:3px solid transparent}
.nav-left a:hover,.nav-left a.active,.nav-right a:hover,.nav-right a.active{color:darkred;background:transparent;border-bottom:3px solid darkred}
.nav-logo{display:flex;align-items:center;flex-shrink:0}
.nav-logo img{max-height:120px;width:auto;display:block}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:40px}
.nav-cta .btn{padding:10px 20px;font-size:.88rem}
.burger{display:none;background:none;border:none;padding:9px 11px}
.burger span{display:block;width:24px;height:2px;background:#000;margin:5px 0;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:clamp(48px,8vw,90px);padding-bottom:clamp(48px,8vw,90px);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(70% 90% at 80% -10%,rgba(232,163,61,.18),transparent 60%),
    radial-gradient(60% 80% at 10% 110%,rgba(95,182,201,.10),transparent 60%),
    var(--obsidian);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero h1{margin:18px 0 8px}
.hero h1 .glow{color:var(--amber)}
.hero .lede{font-size:1.12rem;color:var(--ash);max-width:46ch;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;margin-bottom:28px}
.stars{color:var(--amber);letter-spacing:2px;font-size:1.05rem}
.trust-row b{font-weight:700}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;margin:26px 0 30px;max-width:520px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:.97rem;color:var(--bone)}
.checks svg{flex:none;margin-top:3px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}

/* Hero visual: VLT shade card */
.shade-card{
  background:var(--carbon);border:1px solid var(--smoke);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.shade-window{
  position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/11;
  background-image:var(--shade-img);background-size:cover;background-position:center;
  border:1px solid var(--smoke);
}
.shade-window::after{
  content:"";position:absolute;inset:0;background:#000;opacity:var(--tint,.45);
  transition:opacity .12s linear;
  z-index: 1;
}
.shade-readout{
  position:absolute;left:12px;bottom:12px;z-index:2;font-family:var(--mono);
  background:rgba(11,14,17,.7);backdrop-filter:blur(4px);border:1px solid var(--smoke);
  padding:6px 12px;border-radius:8px;font-size:.82rem;letter-spacing:.04em;
}
.shade-readout b{color:var(--amber)}
.shade-meta{display:flex;justify-content:space-between;align-items:center;margin:16px 2px 8px;font-family:var(--mono);font-size:.74rem;color:var(--ash);letter-spacing:.05em}
.shade-slider{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:6px;
  background:linear-gradient(90deg,#0b0e11,#7d8893);outline:none}
.shade-slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;
  background:var(--amber);border:3px solid var(--obsidian);box-shadow:0 0 0 1px var(--amber);cursor:pointer}
.shade-slider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--amber);
  border:3px solid var(--obsidian);cursor:pointer}
.shade-hint{font-size:.78rem;color:var(--ash);margin-top:12px;text-align:center}

/* ---------- Logo / proof strip ---------- */
.proof{border-block:1px solid var(--smoke);background:var(--carbon)}
.proof .wrap{display:flex;flex-wrap:wrap;gap:20px 40px;justify-content:space-between;align-items:center;padding-block:26px}
.proof-item{display:flex;flex-direction:column;gap:2px}
.proof-item b{font-family:var(--display);font-size:1.7rem;line-height:1;color:var(--bone)}
.proof-item span{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ash)}

/* ---------- Section heading ---------- */
.sec-head{max-width:680px;margin-bottom:48px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{margin:14px 0 14px}
.sec-head p{color:var(--ash);font-size:1.05rem}

/* ---------- Services cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{
  background:var(--carbon-2);border:1px solid var(--smoke);border-radius:var(--radius);
  padding:26px;transition:transform .2s,border-color .2s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:rgba(232,163,61,.5)}
.card .ic{width:46px;height:46px;border-radius:11px;background:rgba(232,163,61,.12);
  display:grid;place-items:center;color:var(--amber);margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--ash);font-size:.96rem}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--amber);font-weight:600;font-size:.9rem}

/* ---------- Why / trust feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.feature-list{display:grid;gap:18px;margin-top:28px}
.feature-list li{display:flex;gap:16px;align-items:flex-start}
.feature-list .n{font-family:var(--mono);color:var(--amber);font-size:.85rem;flex:none;width:30px;height:30px;
  border:1px solid var(--smoke);border-radius:8px;display:grid;place-items:center}
.feature-list b{display:block;font-family:var(--display);font-size:1.05rem;margin-bottom:3px}
.feature-list p{color:var(--ash);font-size:.94rem}
.media-stack{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--smoke);box-shadow:var(--shadow)}
.media-stack img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}

/* ---------- Comparison: ceramic vs carbon ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare .col{background:var(--carbon-2);border:1px solid var(--smoke);border-radius:var(--radius);padding:28px}
.compare .col.win{border-color:var(--amber);background:linear-gradient(180deg,rgba(232,163,61,.08),transparent)}
.compare .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ash)}
.compare .col.win .tag{color:var(--amber)}
.compare h3{margin:8px 0 18px}
.compare ul{display:grid;gap:12px}
.compare li{display:flex;gap:10px;font-size:.95rem;color:var(--bone)}
.compare li svg{flex:none;margin-top:3px}

/* ---------- Price tiers ---------- */
.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.tier{background:var(--carbon-2);border:1px solid var(--smoke);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.tier.feature{border-color:var(--amber);position:relative}
.tier.feature::before{content:"Most popular";position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:var(--amber);color:#1a1206;font-size:.7rem;font-weight:700;font-family:var(--mono);
  letter-spacing:.1em;text-transform:uppercase;padding:4px 12px;border-radius:100px}
.tier h3{margin-bottom:4px}
.tier .price{font-family:var(--display);font-size:2.3rem;margin:14px 0 4px}
.tier .price span{font-size:1rem;color:var(--ash);font-weight:400}
.tier .note{font-size:.84rem;color:var(--ash);margin-bottom:18px}
.tier ul{display:grid;gap:10px;margin-bottom:24px;flex:1}
.tier li{display:flex;gap:9px;font-size:.92rem;color:var(--bone)}
.tier li svg{flex:none;margin-top:3px}
.price-disc{font-size:.82rem;color:var(--ash);text-align:center;margin-top:24px}

/* ---------- Gallery ---------- */
.gal-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.gal-filters button{
  padding:9px 18px;border-radius:100px;border:1px solid var(--smoke);background:transparent;
  color:var(--ash);font-weight:600;font-size:.88rem;transition:.18s;font-family:var(--body)
}
.gal-filters button:hover{color:var(--bone)}
.gal-filters button.active{background:var(--amber);color:#1a1206;border-color:var(--amber)}
.gal-grid{columns:4 240px;column-gap:16px}
.gal-item{break-inside:avoid;margin-bottom:16px;border-radius:12px;overflow:hidden;position:relative;
  border:1px solid var(--smoke);background:var(--carbon);cursor:pointer;transition:.2s}
.gal-item:hover{border-color:var(--amber)}
.gal-item img{width:100%;transition:transform .4s ease}
.gal-item:hover img{transform:scale(1.04)}
.gal-item .cap{position:absolute;left:0;right:0;bottom:0;padding:24px 14px 12px;font-size:.82rem;
  background:linear-gradient(transparent,rgba(11,14,17,.85));opacity:0;transition:.2s}
.gal-item:hover .cap{opacity:1}
.gal-item.video::after{content:"▶";position:absolute;inset:0;display:grid;place-items:center;font-size:1.6rem;
  color:#fff;background:rgba(0,0,0,.25)}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(5,7,9,.94);display:none;place-items:center;padding:24px}
.lightbox.open{display:grid}
.lightbox img,.lightbox video{max-width:92vw;max-height:86vh;border-radius:10px}
.lightbox .close{position:absolute;top:20px;right:24px;font-size:2rem;color:#fff;background:none;border:none}
.lb-prev, .lb-next{position:absolute;top:50%;transform:translateY(-50%);font-size:2rem;color:#fff;background:rgba(0,0,0,0.4);border:none;padding:12px 18px;border-radius:100px;cursor:pointer;transition:.2s;}
.lb-prev:hover, .lb-next:hover{background:rgba(0,0,0,0.8);}
.lb-prev{left:20px;}
.lb-next{right:20px;}
@media (max-width: 600px) { .lb-prev, .lb-next {font-size:1.4rem;padding:8px 12px;} .lb-prev{left:10px;} .lb-next{right:10px;} }
/* Before/After slider */
.ba{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--smoke);aspect-ratio:16/10;user-select:none}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .after{clip-path:inset(0 0 0 50%)}
.ba .handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:var(--amber);transform:translateX(-50%);z-index:3}
.ba .handle::after{content:"⇆";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:40px;height:40px;border-radius:50%;background:var(--amber);color:#1a1206;display:grid;place-items:center;font-weight:700}
.ba .lab{position:absolute;top:12px;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;
  background:rgba(11,14,17,.7);padding:4px 10px;border-radius:6px;z-index:4}
.ba .lab.b{left:12px}.ba .lab.a{right:12px;color:var(--amber)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq details{border:1px solid var(--smoke);border-radius:var(--radius-sm);margin-bottom:12px;background:var(--carbon-2);overflow:hidden}
.faq summary{padding:20px 24px;font-family:var(--display);font-weight:600;font-size:1.05rem;cursor:pointer;
  display:flex;justify-content:space-between;gap:16px;align-items:center;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--amber);font-size:1.5rem;flex:none;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 24px 22px;color:var(--ash);font-size:.97rem}

/* ---------- Reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.review{background:var(--carbon-2);border:1px solid var(--smoke);border-radius:var(--radius);padding:24px}
.review .stars{margin-bottom:12px}
.review p{font-size:.98rem;margin-bottom:16px}
.review .who{display:flex;align-items:center;gap:12px}
.review .av{width:40px;height:40px;border-radius:50%;background:var(--smoke);display:grid;place-items:center;
  font-family:var(--display);font-weight:700;color:var(--amber)}
.review .who b{font-size:.92rem;display:block}.review .who span{font-size:.78rem;color:var(--ash)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(120deg,#161b21,#0d1014);border:1px solid var(--smoke);padding:clamp(36px,6vw,64px);text-align:center}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(60% 120% at 50% 0%,rgba(232,163,61,.2),transparent 60%);z-index:0}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--ash);max-width:48ch;margin:0 auto 26px}
.cta-band .hero-cta{justify-content:center}

/* ---------- Forms ---------- */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:.82rem;font-family:var(--mono);letter-spacing:.05em;color:var(--ash);margin-bottom:7px;text-transform:uppercase}
.field input,.field select,.field textarea{
  width:100%;background:var(--carbon);border:1px solid var(--smoke);border-radius:var(--radius-sm);
  padding:13px 15px;color:var(--bone);font-family:inherit;font-size:.98rem;transition:border-color .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--amber)}
.field textarea{min-height:120px;resize:vertical}

/* ---------- Contact info blocks ---------- */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:32px}
.info{background:var(--carbon-2);border:1px solid var(--smoke);border-radius:var(--radius);padding:22px}
.info .ic{color:var(--amber);margin-bottom:10px}
.info b{display:block;font-family:var(--display);margin-bottom:4px}
.info p,.info a{color:var(--ash);font-size:.94rem}
.map-embed{border-radius:var(--radius);overflow:hidden;border:1px solid var(--smoke);height:380px}
.map-embed iframe{width:100%;height:100%;border:0;filter:grayscale(.3) contrast(1.05)}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--smoke);background:var(--carbon);padding-block:56px 28px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.foot-grid h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ash);margin-bottom:16px;font-weight:500}
.foot-grid a{display:block;color:var(--ash);font-size:.92rem;padding:5px 0;transition:color .15s}
.foot-grid a:hover{color:var(--amber)}
.foot-grid p{color:var(--ash);font-size:.92rem;margin-top:14px;max-width:32ch}
.foot-bottom{border-top:1px solid var(--smoke);padding-top:22px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:14px;font-size:.84rem;color:var(--ash)}

/* ---------- Floating actions ---------- */
.fab{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:12px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);transition:transform .18s}
.fab a:hover{transform:scale(1.08)}
.fab .wa{background:#25D366;color:#fff}
.fab .call{background:var(--amber);color:#1a1206}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding-top:clamp(48px,7vw,80px);padding-bottom:clamp(40px,6vw,64px);
  background:radial-gradient(80% 120% at 80% -20%,rgba(232,163,61,.14),transparent 60%),var(--obsidian)}
.page-hero h1{font-size:clamp(2.2rem,5vw,3.6rem);margin:14px 0 14px}
.page-hero p{color:var(--ash);max-width:52ch;font-size:1.08rem}
.crumbs{font-family:var(--mono);font-size:.74rem;color:var(--ash);letter-spacing:.05em}
.crumbs a:hover{color:var(--amber)}

/* ---------- Service detail rows ---------- */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center;margin-bottom:clamp(40px,7vw,90px)}
.svc-row:nth-child(even) .svc-media{order:-1}
.svc-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--smoke);box-shadow:var(--shadow)}
.svc-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.svc-text h3{margin-bottom:14px}
.svc-text p{color:var(--ash);margin-bottom:14px}
.svc-text ul{display:grid;gap:9px;margin-top:8px}
.svc-text ul li{display:flex;gap:9px;font-size:.95rem}
.svc-text ul li svg{flex:none;margin-top:3px}

/* ---------- Animations ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-grid,.split,.svc-row,.compare{grid-template-columns:1fr}
  .svc-row:nth-child(even) .svc-media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .gal-grid{columns:2 220px}
}
@media(max-width:1040px){
  .nav-left,.nav-right{position:fixed;top:0;right:0;bottom:0;width:250px;flex-direction:column;align-items:stretch;
    background:white !important;border-left:1px solid #ddd;padding:80px 20px 20px;gap:10px;
    transform:translateX(100%);transition:transform .3s ease;z-index:55;box-shadow:-5px 0 20px rgba(0,0,0,0.1)}
  .nav-right{top:270px;padding-top:0;border-left:none;box-shadow:none;pointer-events:none}
  .nav-left.open{transform:translateX(0)}
  .nav-right.open{transform:translateX(0);pointer-events:auto}
  .nav-left a,.nav-right a{padding:15px;color:darkred;border-bottom:1px solid #eee}
  .nav-logo img{max-height:80px}
  .nav-cta{margin-left:auto}
  .burger{display:block;position:relative;z-index:60}
}
@media(max-width:760px){
  .nav-cta .btn-ghost{display:none}
  .checks{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .compare,.tiers{grid-template-columns:1fr}
  body{font-size:16px}
}
@media(max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .gal-grid{columns:1}
  .proof .wrap{justify-content:flex-start;gap:18px 28px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none}
}