/* Pharos Stone Co — premium B2B stone site */

:root{
  /* All-black stack. Sections separate by tonal step + a gold hairline,
     never by flipping to a light background. */
  --ink:#08090a;      /* page base */
  --ink-2:#0e1012;    /* alternating section */
  --char:#15181b;     /* cards / raised surfaces */
  --basalt:#3f444a;
  --stone:#8a9096;
  --mist:#c9ccd0;
  --paper:#f2f1ee;
  --paper-2:#ecebe6;
  --white:#fff;
  --bronze:#c9a96a;         /* gold, matched to the logo */
  --bronze-deep:#a8874a;
  --line:rgba(201,169,106,.16);   /* gold hairline */
  --line-soft:rgba(255,255,255,.07);

  --fs-display: clamp(2.6rem, 6.2vw, 5.6rem);
  --fs-h2: clamp(1.9rem, 3.6vw, 3.1rem);
  --fs-h3: clamp(1.15rem, 1.6vw, 1.45rem);
  --fs-body: clamp(0.98rem, 1.05vw, 1.06rem);

  --pad: clamp(1.25rem, 5vw, 6rem);
  --sec: clamp(4.5rem, 9vw, 9rem);
  --maxw: 1400px;

  --serif: "Cormorant Garamond", "Noto Serif Georgian", Georgia, serif;
  --sans: "Inter", "Noto Sans Georgian", system-ui, -apple-system, "Segoe UI", sans-serif;

  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--sans);font-size:var(--fs-body);line-height:1.65;
  font-weight:350;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:400;line-height:1.08;letter-spacing:-.015em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--bronze);outline-offset:3px;}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad);}
.sec{padding-block:var(--sec);}
.skip{position:absolute;left:-9999px;}
.skip:focus{left:1rem;top:1rem;z-index:200;background:var(--bronze);color:var(--ink);padding:.7rem 1rem;}

/* ---------- type helpers ---------- */
.display{font-family:var(--serif);font-size:var(--fs-display);font-weight:300;line-height:.98;letter-spacing:-.02em;}
.h2{font-family:var(--serif);font-size:var(--fs-h2);font-weight:300;line-height:1.04;}
.h3{font-family:var(--serif);font-size:var(--fs-h3);font-weight:400;}
.eyebrow{
  font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--bronze);font-weight:500;margin-bottom:1.5rem;display:block;
}
.lede{font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.6;color:var(--mist);font-weight:300;}
.muted{color:var(--stone);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.92rem 1.7rem;border-radius:2px;
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
  white-space:nowrap;
}
.btn--solid{background:var(--bronze);color:var(--ink);}
.btn--solid:hover{background:var(--paper);}
.btn--ghost{border:1px solid rgba(255,255,255,.25);color:var(--paper);}
.btn--ghost:hover{border-color:var(--bronze);color:var(--bronze);}
.btn .arw{transition:transform .35s var(--ease);}
.btn:hover .arw{transform:translateX(4px);}

/* ---------- header ---------- */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease),padding .4s var(--ease);
  border-bottom:1px solid transparent;padding-block:1.35rem;
}
.hdr.is-stuck{background:rgba(16,18,20,.93);backdrop-filter:blur(14px);border-bottom-color:rgba(255,255,255,.08);padding-block:.85rem;}
.hdr__in{display:flex;align-items:center;gap:2rem;}
.logo{display:flex;align-items:center;gap:.7rem;margin-right:auto;}
.logo__img{height:40px;width:auto;flex:none;transition:height .4s var(--ease);}
.hdr.is-stuck .logo__img{height:34px;}
.logo__txt{display:flex;align-items:baseline;gap:.5rem;}
.logo__mark{font-family:"Cormorant Garamond",Georgia,serif;font-size:1.5rem;letter-spacing:.04em;line-height:1;}
.logo__sub{font-size:.6rem;letter-spacing:.26em;text-transform:uppercase;color:var(--bronze);}
.nav{display:flex;gap:2.1rem;}
.nav a{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);position:relative;padding-block:.3rem;transition:color .3s;}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--bronze);transition:width .35s var(--ease);}
.nav a:hover{color:var(--paper);}
.nav a:hover::after{width:100%;}

.lang{display:flex;gap:.1rem;align-items:center;}
.lang a,.lang button{
  font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--stone);
  padding:.35rem .5rem;transition:color .3s;
}
.lang a.on,.lang button.on{color:var(--bronze);}
.lang a:hover,.lang button:hover{color:var(--paper);}
.lang .sep{color:rgba(255,255,255,.2);font-size:.68rem;}

.burger{display:none;width:34px;height:34px;position:relative;z-index:101;}
.burger span{position:absolute;left:6px;right:6px;height:1px;background:var(--paper);transition:.35s var(--ease);}
.burger span:nth-child(1){top:13px;}
.burger span:nth-child(2){top:20px;}
.burger.on span:nth-child(1){top:16px;transform:rotate(45deg);}
.burger.on span:nth-child(2){top:16px;transform:rotate(-45deg);}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;}
.hero__bg{position:absolute;inset:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 45%;transform:scale(1.06);animation:heroIn 2.6s var(--ease) forwards;}
@keyframes heroIn{to{transform:scale(1);}}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,18,20,.74) 0%,rgba(16,18,20,.3) 34%,rgba(16,18,20,.58) 66%,rgba(16,18,20,.96) 100%);
}
.hero__in{position:relative;z-index:2;width:100%;padding-bottom:clamp(2.5rem,6vw,5rem);padding-top:9rem;}

/* product / application pages: shorter hero, no stat bar under it */
.hero--sub{min-height:min(68svh,620px);}
.hero--sub .hero__in{padding-top:clamp(8rem,16vw,11rem);}
.hero--sub h1{max-width:20ch;margin-bottom:1.4rem;}
.hero--sub .lede{max-width:56ch;margin-bottom:2rem;}
.hero--sub .hero__cta{margin-bottom:0;}
.hero--sub .hero__bg img{object-position:center 50%;}
.hero h1{max-width:16ch;margin-bottom:1.8rem;}
.hero h1 em{font-style:italic;color:var(--bronze);}
.hero .lede{max-width:54ch;margin-bottom:2.4rem;}
.hero__cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-bottom:clamp(3rem,6vw,5rem);}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line);}
.stat{background:var(--ink);padding:1.5rem 1.4rem;}
.stat__n{font-family:var(--serif);font-size:clamp(1.7rem,2.6vw,2.4rem);line-height:1;color:var(--bronze);}
.stat__l{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);margin-top:.6rem;}

/* ---------- intro ---------- */
.intro{background:var(--ink);border-top:1px solid var(--line);}
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,6vw,6rem);align-items:start;}
.intro p + p{margin-top:1.3rem;}

/* ---------- material section ---------- */
.mat{border-top:1px solid var(--line);}
.mat--alt{background:var(--ink-2);}

.mat__head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,5rem);align-items:end;margin-bottom:clamp(2.5rem,5vw,4.5rem);}
.mat__head p{max-width:56ch;}

.finishes{display:grid;gap:clamp(1rem,1.6vw,1.5rem);}
.finishes--1{grid-template-columns:minmax(0,520px);}
.finishes--2{grid-template-columns:repeat(2,1fr);}
.finishes--3{grid-template-columns:repeat(3,1fr);}
.finishes--4{grid-template-columns:repeat(4,1fr);}

/* a chip that is a link, used on product pages to cross-link siblings */
a.chip{transition:border-color .3s,color .3s;}
a.chip:hover{border-color:var(--bronze);color:var(--paper);}

.fin{
  position:relative;overflow:hidden;background:var(--char);
  border:1px solid var(--line-soft);display:flex;flex-direction:column;
  transition:border-color .45s var(--ease);
}
.fin:hover{border-color:var(--line);}
.fin__img{position:relative;aspect-ratio:1/1;overflow:hidden;}
.fin__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);}
.fin:hover .fin__img img{transform:scale(1.07);}
.fin__tag{
  position:absolute;top:1rem;left:1rem;z-index:2;
  background:rgba(16,18,20,.78);backdrop-filter:blur(6px);color:var(--paper);
  font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;padding:.4rem .7rem;
}
.fin__body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;flex:1;}
.fin__body h3{margin-bottom:.6rem;}
.fin__body p{font-size:.9rem;color:var(--stone);line-height:1.6;}
.fin__meta{
  margin-top:auto;padding-top:1.1rem;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:.4rem;
}
.fin__meta:not(:first-child){margin-top:1.1rem;}
.chip{
  font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid rgba(201,169,106,.28);color:var(--bronze);padding:.3rem .55rem;
}

/* ---------- applications ---------- */
#applications,#projects{border-top:1px solid var(--line);}
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);}
.app{position:relative;background:var(--ink);overflow:hidden;min-height:clamp(360px,46vw,560px);display:flex;align-items:flex-end;}
.app img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.app::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,18,20,.12) 40%,rgba(16,18,20,.9) 100%);}
.app:hover img{transform:scale(1.06);}
.app__t{position:relative;z-index:2;padding:clamp(1.4rem,2.4vw,2.2rem);}
.app__t h3{margin-bottom:.5rem;}
.app__t p{font-size:.88rem;color:var(--mist);max-width:36ch;}

/* ---------- spec table ---------- */
.spec{background:var(--ink-2);border-top:1px solid var(--line);}
.tablewrap{overflow-x:auto;border:1px solid var(--line);}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:.9rem;}
th,td{text-align:left;padding:1rem 1.2rem;border-bottom:1px solid var(--line-soft);}
thead th{
  font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--bronze);
  font-weight:500;background:rgba(201,169,106,.05);
}
tbody tr:last-child td{border-bottom:0;}
tbody td{color:var(--mist);font-weight:300;}
tbody td:first-child{color:var(--paper);}
tbody tr:hover td{background:rgba(255,255,255,.02);}
.specnote{margin-top:1.2rem;font-size:.82rem;color:var(--stone);}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);}
.gal figure{position:relative;margin:0;overflow:hidden;background:var(--ink);}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease);}
.gal figure:hover img{transform:scale(1.05);}
.gal figcaption{
  position:absolute;left:0;bottom:0;right:0;padding:1.1rem 1.2rem;z-index:2;
  background:linear-gradient(180deg,transparent,rgba(16,18,20,.92));
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mist);
}
.g-a{grid-column:span 4;aspect-ratio:16/10;}
.g-b,.g-c,.g-d,.g-e{grid-column:span 2;aspect-ratio:4/5;}
.g-f{grid-column:span 6;aspect-ratio:21/9;}

/* ---------- why ---------- */
.why{background:var(--ink);border-top:1px solid var(--line);}
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);margin-top:clamp(2rem,4vw,3.5rem);border:1px solid var(--line-soft);}
.why__c{background:var(--ink);padding:clamp(1.6rem,2.6vw,2.4rem);}
.why__n{
  font-family:var(--serif);font-size:1.6rem;color:var(--bronze);
  margin-bottom:1.2rem;line-height:1;
}
.why__c h3{margin-bottom:.7rem;}
.why__c p{font-size:.92rem;color:var(--stone);}

/* ---------- quote ---------- */
.quote{background:var(--ink-2);border-top:1px solid var(--line);}
.quote__grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2.5rem,6vw,6rem);}
.form{display:grid;gap:1.1rem;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;}
.field label{display:block;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);margin-bottom:.5rem;}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.2);
  color:var(--paper);font:inherit;font-size:.95rem;padding:.7rem 0;border-radius:0;
  transition:border-color .3s;
}
.field select option{background:var(--ink-2);color:var(--paper);}
.field textarea{resize:vertical;min-height:90px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-bottom-color:var(--bronze);}
.field input::placeholder,.field textarea::placeholder{color:rgba(125,131,138,.7);}
.formnote{font-size:.78rem;color:var(--stone);}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;}

/* post-submit confirmation, replaces the form in place */
.sent{
  border:1px solid var(--line);background:rgba(201,169,106,.05);
  padding:clamp(2rem,4vw,3rem);text-align:center;
}
.sent__mark{
  width:52px;height:52px;margin:0 auto 1.4rem;border-radius:50%;
  border:1px solid var(--bronze);color:var(--bronze);
  display:flex;align-items:center;justify-content:center;font-size:1.35rem;
}
.sent h3{margin-bottom:.8rem;}
.sent p{font-size:.92rem;color:var(--mist);max-width:44ch;margin-inline:auto;}
.sent a{color:var(--bronze);white-space:nowrap;}
.sent a:hover{color:var(--paper);}
.contactlist{display:grid;gap:1.6rem;margin-top:2.4rem;}
.ci__l{font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);margin-bottom:.35rem;}
.ci__v{font-family:var(--serif);font-size:1.25rem;}
.ci__v a:hover{color:var(--bronze);}

/* ---------- footer ---------- */
.ftr{background:var(--ink);border-top:1px solid var(--line);padding-block:3.5rem 2.5rem;}
.ftr__top{display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:space-between;margin-bottom:3rem;}
.ftr__logo img{width:126px;height:auto;opacity:.92;transition:opacity .3s;}
.ftr__logo:hover img{opacity:1;}
.ftr__nav{display:flex;flex-wrap:wrap;gap:1.8rem;}
.ftr__nav a{font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;color:var(--stone);transition:color .3s;}
.ftr__nav a:hover{color:var(--bronze);}
.ftr__bot{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.75rem;color:var(--stone);padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.08);}

/* ---------- Georgian typography ----------
   Mkhedruli has no capitals, so wide "uppercase" tracking reads as loose rather
   than deliberate; and its descenders (ღ, ჯ, ფ, ქ) need more leading than the
   Latin display sizes were set for. */
html[lang="ka"] .display{line-height:1.14;letter-spacing:-.005em;}
html[lang="ka"] .h2{line-height:1.2;letter-spacing:-.005em;}
html[lang="ka"] .h3{line-height:1.3;}
html[lang="ka"] .eyebrow{letter-spacing:.15em;}
html[lang="ka"] .btn,
html[lang="ka"] .nav a,
html[lang="ka"] .ftr__nav a{letter-spacing:.07em;}
html[lang="ka"] .chip,
html[lang="ka"] .fin__tag,
html[lang="ka"] .stat__l,
html[lang="ka"] thead th,
html[lang="ka"] .field label,
html[lang="ka"] .ci__l,
html[lang="ka"] .gal figcaption{letter-spacing:.05em;}
html[lang="ka"] .stat__l{line-height:1.35;}
html[lang="ka"] .gal figcaption{line-height:1.45;}

/* ---------- reveal ----------
   Scoped to .js (set by an inline script in <head>) so that if the script fails
   to load, every section stays visible instead of the page going blank. */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.js .rv.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js .rv{opacity:1;transform:none;transition:none;}
  .hero__bg img{animation:none;transform:none;}
  html{scroll-behavior:auto;}
}
@media print{
  .js .rv{opacity:1!important;transform:none!important;}
  .hdr{position:static;}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .finishes--4{grid-template-columns:repeat(2,1fr);}
  .apps{grid-template-columns:1fr;}
  .why__grid{grid-template-columns:1fr;}
  .g-a,.g-f{grid-column:span 6;}
  .g-b,.g-c,.g-d,.g-e{grid-column:span 3;}
}
/* Header: the row is logo + 6 nav items + language + CTA, so it has to shed
   parts in stages or the CTA runs past the container. */
@media (max-width:1400px){
  .hdr__in{gap:1.25rem;}
  .nav{gap:1.35rem;}
}
@media (max-width:1220px){
  .hdr .btn--solid{display:none;}
}
@media (max-width:1000px){
  .nav{display:none;}
  .burger{display:block;}
  .hdr.open .nav{
    display:flex;position:fixed;inset:0;flex-direction:column;justify-content:center;align-items:center;
    gap:2rem;background:var(--ink);z-index:-1;
  }
  .hdr.open .nav a{font-size:1.05rem;}
}

@media (max-width:860px){
  .split,.mat__head,.quote__grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .hero__in{padding-top:7rem;}
}
@media (max-width:560px){
  .finishes--2,.finishes--4{grid-template-columns:1fr;}
  .row2{grid-template-columns:1fr;}
  .g-b,.g-c,.g-d,.g-e{grid-column:span 6;}
}