/* =========================================================
   LRC Empire Construction LLC
   Design system: navy + copper + bone
   Display: Archivo · Body: Inter · Accent: Fraunces italic
   ========================================================= */

:root{
  /* palette (from brand logo) */
  --ink:#14181d;
  --navy:#243849;
  --navy-2:#1a2a37;
  --navy-3:#0f1a23;
  --copper:#b07a4e;
  --copper-2:#c79262;
  --bone:#f5f2ec;
  --bone-2:#efe9df;
  --stone:#e6ded1;
  --grey:#7f858b;
  --grey-line:#d8d0c4;
  --white:#ffffff;

  /* typography */
  --f-display:'Archivo', system-ui, sans-serif;
  --f-body:'Inter', system-ui, sans-serif;
  --f-accent:'Fraunces', Georgia, serif;

  /* metrics */
  --wrap:1240px;
  --gutter:clamp(20px, 5vw, 64px);
  --sec-y:clamp(72px, 10vw, 148px);
  --radius:3px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--bone);
  font-size:clamp(16px,1.05vw,17px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--sec-y)}

.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:12px 18px;z-index:1000}
.skip-link:focus{left:12px;top:12px}

:focus-visible{outline:2px solid var(--copper);outline-offset:3px}

/* ---------- shared type ---------- */
.eyebrow{
  font-family:var(--f-body);
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--copper);
  margin:0 0 1.1rem;
  display:flex;align-items:center;gap:.75rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--copper);display:inline-block}
.eyebrow--light{color:var(--copper-2)}

.section-title{
  font-family:var(--f-display);
  font-weight:800;
  font-size:clamp(2.1rem,5vw,4rem);
  line-height:1.02;
  letter-spacing:-.02em;
  margin:0 0 1.1rem;
  color:var(--navy);
}
.section-title--light{color:var(--bone)}
.section-intro{max-width:56ch;color:var(--grey);font-size:1.06rem;margin:0}
.section-intro--light{color:rgba(245,242,236,.72)}
.lead{font-size:1.12rem;color:#3d444b;margin:0 0 1.2rem}
.section--navy .lead{color:rgba(245,242,236,.8)}

.section-head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}

/* material-name accent (signature) */
.accent{font-family:var(--f-accent);font-style:italic;font-weight:400}

/* ---------- buttons ---------- */
.btn{
  --b:var(--copper);
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--f-body);font-weight:600;font-size:.92rem;letter-spacing:.02em;
  padding:.95em 1.7em;border:1px solid var(--b);border-radius:var(--radius);
  background:var(--b);color:#fff;transition:all .35s var(--ease);white-space:nowrap;
}
.btn--copper:hover{background:var(--copper-2);border-color:var(--copper-2);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.btn--block{width:100%}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
  padding-block:18px;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;position:relative}
.brand-logo{height:42px;width:auto;transition:height .4s var(--ease),opacity .35s var(--ease)}
.brand-logo--dark{position:absolute;left:0;top:50%;transform:translateY(-50%);opacity:0}
.site-header.scrolled{background:rgba(245,242,236,.94);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--grey-line);padding-block:12px}
.site-header.scrolled .brand-logo{height:36px}
.site-header.scrolled .brand-logo--light{opacity:0}
.site-header.scrolled .brand-logo--dark{opacity:1}

.nav{display:flex;gap:clamp(18px,2vw,34px)}
.nav a{
  font-size:.86rem;font-weight:500;letter-spacing:.04em;color:rgba(255,255,255,.9);
  position:relative;padding-block:6px;transition:color .3s;
}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--copper);transition:width .3s var(--ease)}
.nav a:hover::after{width:100%}
.site-header.scrolled .nav a{color:var(--navy)}

.header-actions{display:flex;align-items:center;gap:18px}
.header-phone{display:flex;flex-direction:column;line-height:1.1;text-align:right}
.header-phone__label{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--copper-2)}
.header-phone__num{font-weight:600;font-size:.92rem;color:#fff}
.site-header.scrolled .header-phone__num{color:var(--navy)}
.site-header.scrolled .header-phone__label{color:var(--copper)}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px}
.nav-toggle span{width:26px;height:2px;background:#fff;transition:.3s var(--ease);transform-origin:center}
.site-header.scrolled .nav-toggle span{background:var(--navy)}
.nav-toggle[aria-expanded="true"] span{background:var(--navy)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:-1}
.hero__slides{position:absolute;inset:0}
.hero__slide{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.07);
  transition:opacity 1.6s var(--ease), transform 6.5s var(--ease);
  will-change:opacity;
}
.hero__slide.is-active{opacity:1;transform:scale(1)}
@media (prefers-reduced-motion:reduce){
  .hero__slide{transition:opacity .4s linear;transform:none}
  .hero__slide.is-active{transform:none}
}
.hero__scrim{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,26,35,.55) 0%,rgba(15,26,35,.18) 32%,rgba(15,26,35,.35) 62%,rgba(15,26,35,.85) 100%);
}
.hero__content{padding-bottom:clamp(64px,11vh,150px);padding-top:140px;max-width:900px}
.hero__title{
  font-family:var(--f-display);font-weight:800;
  font-size:clamp(2.9rem,8.5vw,6.6rem);line-height:.98;letter-spacing:-.03em;
  margin:.4rem 0 1.4rem;
}
.hero__lead{font-size:clamp(1.05rem,1.6vw,1.32rem);max-width:62ch;color:rgba(255,255,255,.9);margin:0 0 2rem;line-height:1.6}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}

.hero__scroll{position:absolute;right:var(--gutter);bottom:36px;display:flex;flex-direction:column;align-items:center;gap:10px;color:rgba(255,255,255,.75)}
.hero__scroll-line{width:1px;height:52px;background:linear-gradient(var(--copper),transparent);position:relative;overflow:hidden}
.hero__scroll-line::after{content:"";position:absolute;top:-50%;left:0;width:100%;height:50%;background:#fff;animation:scrollDown 2.2s var(--ease) infinite}
@keyframes scrollDown{0%{top:-50%}60%,100%{top:100%}}
.hero__scroll-text{font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;writing-mode:vertical-rl}
@media (max-width:640px){.hero__scroll{display:none}}

/* =========================================================
   MATERIALS MARQUEE
   ========================================================= */
.materials{background:var(--navy);color:var(--bone);padding-block:26px;overflow:hidden;border-top:1px solid rgba(255,255,255,.06)}
.marquee{position:relative;white-space:nowrap;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:inline-flex;align-items:center;gap:1.6rem;animation:marquee 42s linear infinite}
.marquee__track span{font-family:var(--f-accent);font-style:italic;font-size:clamp(1.3rem,2.6vw,2rem);color:rgba(245,242,236,.9)}
.marquee__track .dot{font-family:var(--f-body);color:var(--copper);font-style:normal}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none}}

/* =========================================================
   ABOUT
   ========================================================= */
.about__grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(36px,6vw,90px);align-items:center}
.about__media{position:relative}
.about__media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius)}
.about__media::before{content:"";position:absolute;inset:16px -16px -16px 16px;border:1px solid var(--copper);border-radius:var(--radius);z-index:-1}
.about__badge{position:absolute;right:-18px;bottom:34px;background:var(--navy);color:#fff;padding:20px 26px;border-radius:var(--radius);display:flex;align-items:center;gap:14px;box-shadow:0 20px 50px rgba(20,24,29,.28)}
.about__badge-num{font-family:var(--f-display);font-weight:800;font-size:3rem;line-height:1;color:var(--copper-2)}
.about__badge-txt{font-size:.82rem;line-height:1.3;letter-spacing:.02em}
.about__stats{list-style:none;margin:2.2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--grey-line);border:1px solid var(--grey-line);border-radius:var(--radius);overflow:hidden}
.about__stats li{background:var(--bone);padding:18px 20px;display:flex;flex-direction:column;gap:2px}
.about__stats strong{font-family:var(--f-display);font-weight:700;font-size:1.02rem;color:var(--navy)}
.about__stats span{font-size:.82rem;color:var(--grey)}

/* =========================================================
   SERVICES
   ========================================================= */
.section--stone{background:var(--bone-2);border-block:1px solid var(--grey-line)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--grey-line);border:1px solid var(--grey-line);border-radius:var(--radius);overflow:hidden}
.svc-card{background:var(--bone);padding:clamp(28px,3vw,44px);position:relative;transition:background .35s var(--ease)}
.svc-card__no{font-family:var(--f-display);font-weight:800;font-size:.8rem;color:var(--copper);letter-spacing:.1em}
.svc-card h3{font-family:var(--f-display);font-weight:700;font-size:1.32rem;color:var(--navy);margin:1.6rem 0 .7rem;letter-spacing:-.01em}
.svc-card p{margin:0 0 1.4rem;color:#4a5158;font-size:.98rem}
.svc-card__mat{font-family:var(--f-accent);font-style:italic;font-size:1rem;color:var(--copper)}
.svc-card::after{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.svc-card:hover{background:#fff}
.svc-card:hover::after{transform:scaleX(1)}

/* =========================================================
   WORK / GALLERY
   ========================================================= */
.work__filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  font-size:.82rem;font-weight:500;letter-spacing:.03em;color:var(--navy);
  background:transparent;border:1px solid var(--grey-line);border-radius:100px;
  padding:.55em 1.25em;transition:all .3s var(--ease);
}
.chip:hover{border-color:var(--copper);color:var(--copper)}
.chip.is-active{background:var(--navy);border-color:var(--navy);color:#fff}

.work__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{
  position:relative;overflow:hidden;border-radius:var(--radius);cursor:pointer;
  aspect-ratio:4/3;background:var(--stone);
  transition:transform .5s var(--ease), opacity .4s var(--ease);
}
.tile img,.tile video{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.tile:hover img,.tile:hover video{transform:scale(1.06)}
.tile__overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:18px 20px;color:#fff;opacity:0;transition:opacity .4s var(--ease);
  background:linear-gradient(180deg,transparent 40%,rgba(15,26,35,.78));
}
.tile:hover .tile__overlay,.tile:focus-visible .tile__overlay{opacity:1}
.tile__cat{font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--copper-2);margin-bottom:3px}
.tile__title{font-family:var(--f-accent);font-style:italic;font-size:1.12rem}
.tile__play{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.tile__play span{width:62px;height:62px;border-radius:50%;background:rgba(20,24,29,.45);backdrop-filter:blur(4px);border:1.5px solid rgba(255,255,255,.85);display:grid;place-items:center;transition:.35s var(--ease)}
.tile__play span::after{content:"";margin-left:4px;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}
.tile:hover .tile__play span{background:var(--copper);border-color:var(--copper);transform:scale(1.05)}
.tile.is-hidden{display:none}

.work__empty{grid-column:1/-1;text-align:center;color:var(--grey);padding:40px 0;font-family:var(--f-accent);font-style:italic;font-size:1.2rem}

/* =========================================================
   STONES / MATERIALS CATALOG
   ========================================================= */
.stones{background:var(--bone)}
.stones-carousel{position:relative;margin-top:6px}
.stones-carousel__track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x proximity;scroll-behavior:smooth;
  padding:6px 2px 14px;scrollbar-width:thin;scrollbar-color:var(--grey-line) transparent;
}
.stones-carousel__track::-webkit-scrollbar{height:6px}
.stones-carousel__track::-webkit-scrollbar-thumb{background:var(--grey-line);border-radius:100px}
.stones-carousel__track:focus-visible{outline:2px solid var(--copper);outline-offset:4px;border-radius:6px}
.stones-carousel__track .stone-card{flex:0 0 262px;scroll-snap-align:start}
.stones-carousel__arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--grey-line);
  background:#fff;color:var(--navy);font-size:1.5rem;line-height:1;cursor:pointer;
  display:grid;place-items:center;box-shadow:0 10px 30px -14px rgba(20,24,29,.5);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),opacity .25s var(--ease);
}
.stones-carousel__arrow:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.stones-carousel__arrow:disabled{opacity:0;pointer-events:none}
.stones-carousel__arrow--prev{left:-10px}
.stones-carousel__arrow--next{right:-10px}
@media (prefers-reduced-motion:reduce){.stones-carousel__track{scroll-behavior:auto}}
.stone-card{
  background:#fff;border:1px solid var(--grey-line);border-radius:6px;overflow:hidden;
  transition:box-shadow .35s var(--ease),transform .35s var(--ease);
}
.stone-card:hover{transform:translateY(-5px);box-shadow:0 26px 54px -32px rgba(20,24,29,.55)}
.stone-card.is-hidden{display:none}
.stone-card__swatch{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;background:var(--stone)}
.stone-card__body{padding:16px 18px 20px}
.stone-card__badge{
  display:inline-block;background:var(--navy);color:#fff;font-size:.6rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;padding:5px 10px;border-radius:3px;margin-bottom:11px;
}
.stone-card__badge--granite{background:var(--copper)}
.stone-card__badge--marble{background:#3a4a58}
.stone-card__badge--quartzite{background:#5f6d61}
.stone-card__name{font-family:var(--f-display);font-weight:700;font-size:1.02rem;color:var(--navy);margin:0 0 6px;letter-spacing:-.01em;line-height:1.15}
.stone-card__spec{font-size:.78rem;color:var(--grey);margin:0;line-height:1.45}

.stones__footer{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:34px;flex-wrap:wrap}
.stones__count{font-size:.9rem;color:var(--grey);margin:0;font-weight:500}
.stones__empty{grid-column:1/-1;text-align:center;color:var(--grey);padding:44px 0;font-family:var(--f-accent);font-style:italic;font-size:1.25rem}

@media (max-width:560px){
  .stones-carousel__track .stone-card{flex:0 0 78%}
  .stones-carousel__arrow{width:40px;height:40px;font-size:1.3rem}
  .stones-carousel__arrow--prev{left:2px}
  .stones-carousel__arrow--next{right:2px}
  .stone-card__body{padding:13px 14px 16px}
}

/* =========================================================
   WHY US
   ========================================================= */
.section--navy{background:var(--navy);color:var(--bone);position:relative;overflow:hidden}
.section--navy::before{content:"";position:absolute;top:0;left:50%;width:1px;height:100%;background:linear-gradient(rgba(176,122,78,.5),transparent);opacity:.4}
.why__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,90px);align-items:start}
.why__intro{position:sticky;top:120px}
.why__list{list-style:none;margin:0;padding:0;display:grid;gap:0}
.why__list li{padding:28px 0;border-top:1px solid rgba(245,242,236,.14)}
.why__list li:last-child{border-bottom:1px solid rgba(245,242,236,.14)}
.why__list h3{font-family:var(--f-display);font-weight:700;font-size:1.28rem;margin:0 0 .5rem;color:var(--bone);letter-spacing:-.01em}
.why__list p{margin:0;color:rgba(245,242,236,.68);font-size:.98rem}

/* =========================================================
   PROCESS
   ========================================================= */
.steps{list-style:none;margin:0;padding:0;counter-reset:step;display:grid;gap:0}
.step{display:grid;grid-template-columns:120px 1fr;gap:clamp(20px,4vw,60px);padding:34px 0;border-top:1px solid var(--grey-line);align-items:baseline}
.step:last-child{border-bottom:1px solid var(--grey-line)}
.step__no{font-family:var(--f-display);font-weight:800;font-size:clamp(2.2rem,4vw,3.4rem);color:var(--stone);line-height:1;transition:color .4s var(--ease)}
.step:hover .step__no{color:var(--copper)}
.step__body h3{font-family:var(--f-display);font-weight:700;font-size:clamp(1.3rem,2.2vw,1.8rem);color:var(--navy);margin:0 0 .5rem;letter-spacing:-.01em}
.step__body p{margin:0;color:#4a5158;max-width:60ch}

/* =========================================================
   CTA
   ========================================================= */
.cta{position:relative;color:#fff;text-align:center;overflow:hidden;isolation:isolate}
.cta__media{position:absolute;inset:0;z-index:-1}
.cta__media img{width:100%;height:100%;object-fit:cover}
.cta__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,26,35,.82),rgba(15,26,35,.7))}
.cta__content{padding-block:clamp(90px,14vw,180px);max-width:720px;margin-inline:auto}
.cta__content .eyebrow{justify-content:center}
.cta__title{font-family:var(--f-display);font-weight:800;font-size:clamp(2.4rem,6vw,4.6rem);line-height:1;letter-spacing:-.02em;margin:0 0 1rem}
.cta__lead{font-size:1.15rem;color:rgba(255,255,255,.85);margin:0 0 2rem}
.cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* =========================================================
   CONTACT
   ========================================================= */
.contact__grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,6vw,90px);align-items:start}
.contact__list{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:0}
.contact__list li{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--grey-line);align-items:center}
.contact__list li:last-child{border-bottom:1px solid var(--grey-line)}
.contact__label{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--copper)}
.contact__list a,.contact__list span{color:var(--navy);font-weight:500;word-break:break-word}
.contact__list a:hover{color:var(--copper)}

.contact__form{background:#fff;border:1px solid var(--grey-line);border-radius:var(--radius);padding:clamp(24px,3vw,40px);box-shadow:0 30px 70px -40px rgba(20,24,29,.4)}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-bottom:7px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  padding:.85em 1em;border:1px solid var(--grey-line);border-radius:var(--radius);
  background:var(--bone);transition:border-color .3s,background .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--copper);background:#fff}
.field textarea{resize:vertical;min-height:110px}
.form-note{margin:14px 0 0;font-size:.9rem;color:var(--copper);min-height:1.2em}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--navy-3);color:rgba(245,242,236,.72);padding-top:clamp(56px,7vw,88px)}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer__logo{height:40px;width:auto;opacity:.95;margin-bottom:18px}
.footer__tag{font-size:.92rem;max-width:34ch;line-height:1.6;margin:0}
.footer__nav,.footer__col{display:flex;flex-direction:column;gap:10px}
.footer h4{font-family:var(--f-display);font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--copper-2);margin:0 0 6px}
.footer__nav a,.footer__col a,.footer__col span,.footer__col p{font-size:.92rem;color:rgba(245,242,236,.72);margin:0;transition:color .3s}
.footer__nav a:hover,.footer__col a:hover{color:#fff}
.footer__email{word-break:break-word}
.footer__social{color:var(--copper-2)!important;font-weight:600}
.footer__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:24px;border-top:1px solid rgba(245,242,236,.1);font-size:.82rem}
.footer__bar p{margin:0}
.footer__licence{color:rgba(245,242,236,.5)}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(10,14,18,.94);backdrop-filter:blur(6px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:5vh 4vw;
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility .35s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox__stage{max-width:min(1100px,92vw);max-height:80vh;display:flex;align-items:center;justify-content:center}
.lightbox__stage img,.lightbox__stage video{max-width:100%;max-height:80vh;border-radius:var(--radius);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox__caption{color:rgba(245,242,236,.85);font-family:var(--f-accent);font-style:italic;font-size:1.1rem;text-align:center;margin:0}
.lightbox__close{position:absolute;top:22px;right:26px;font-size:2.4rem;line-height:1;color:#fff;background:none;border:0;opacity:.8;transition:.3s}
.lightbox__close:hover{opacity:1;transform:rotate(90deg)}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:1.8rem;
  display:grid;place-items:center;transition:.3s var(--ease)}
.lightbox__nav:hover{background:var(--copper);border-color:var(--copper)}
.lightbox__prev{left:3vw}
.lightbox__next{right:3vw}
@media (max-width:640px){.lightbox__nav{width:44px;height:44px;font-size:1.4rem}.lightbox__prev{left:8px}.lightbox__next{right:8px}}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1024px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .about__grid,.why__grid,.contact__grid{grid-template-columns:1fr}
  .why__intro{position:static}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .work__grid{grid-template-columns:repeat(2,1fr)}
  .header-cta{display:none}
}

@media (max-width:1024px){
  /* mobile nav panel — ID-scoped so it beats .site-header.scrolled .nav a */
  #primaryNav.open{
    display:flex;flex-direction:column;
    position:fixed;top:0;right:0;bottom:0;left:auto;
    height:100dvh;width:min(82vw,340px);
    background:var(--navy);padding:96px 30px 40px;gap:4px;z-index:99;
    box-shadow:-24px 0 70px rgba(0,0,0,.45);overflow-y:auto;
  }
  #primaryNav.open a{color:#fff;font-size:1.18rem;font-weight:500;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
  #primaryNav.open a::after{display:none}
  #primaryNav.open a:last-child{border-bottom:0}
}

@media (max-width:768px){
  .header-phone{display:none}
  .about__stats{grid-template-columns:1fr}
  .contact__list li{grid-template-columns:1fr;gap:2px}
  .contact__list li .contact__label{margin-bottom:2px}
  .step{grid-template-columns:64px 1fr;gap:18px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .work__grid{gap:10px}
  .about__badge{right:12px;padding:16px 20px}
}

@media (max-width:560px){
  .svc-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .work__grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .footer__grid{grid-template-columns:1fr}
  .hero__actions .btn{flex:1 1 auto}
}

/* nav open — lock scroll */
body.nav-lock{overflow:hidden}
.nav-scrim{position:fixed;inset:0;background:rgba(10,14,18,.5);z-index:98;opacity:0;visibility:hidden;transition:.3s}
.nav-scrim.show{opacity:1;visibility:visible}