/* ==========================================================
   ARCA — Interior Architecture Studio
   Palette: charcoal / paper white / ochre
   Display: Fraunces   Body: Work Sans
   Signature: the arch-frame, repeated on every photograph
   ========================================================== */

/* ---------- 1. TOKENS ---------- */
:root{
  --ink:#15161A;
  --charcoal:#1F2126;
  --charcoal-2:#2A2D33;
  --paper:#F6F3EC;
  --paper-2:#EDE8DB;
  --white:#FFFFFF;
  --ochre:#C68A2E;
  --ochre-light:#E3A94A;
  --text-dark:#1B1B18;
  --muted-on-dark:rgba(246,243,236,.60);
  --muted-on-paper:#726C5E;
  --line-dark:rgba(246,243,236,.14);
  --line-paper:rgba(27,27,24,.12);
  --display:'Fraunces', Georgia, serif;
  --body:'Work Sans', 'Helvetica Neue', sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-soft:cubic-bezier(.34,.01,0,1);
}

/* ---------- 2. RESET ---------- */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--body);
  background:var(--paper);
  color:var(--text-dark);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;border:none;outline:none;background:none;}
button{cursor:pointer;}
ul{list-style:none;}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;color:inherit;line-height:1.08;}
em{font-style:italic;color:var(--ochre);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

.container{max-width:1280px;margin:0 auto;padding:0 44px;}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ochre);outline-offset:3px;
}

/* ---------- 3. SHARED TYPE / UI PARTS ---------- */
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;
  color:var(--ochre);margin-bottom:20px;
}
.eyebrow-line{width:28px;height:1px;background:var(--ochre);display:inline-block;}
.eyebrow--light{color:var(--ochre-light);}

.lede{font-size:1.08rem;line-height:1.8;color:var(--muted-on-paper);margin-bottom:20px;max-width:52ch;}
.lede--light{color:var(--muted-on-dark);}

.section-head{max-width:640px;margin-bottom:64px;}
.section-head h2{font-size:clamp(2rem,4vw,2.9rem);}
.section-head--split{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;
  max-width:none;flex-wrap:wrap;
}
.section-head-copy{color:var(--muted-on-paper);max-width:340px;font-size:.98rem;line-height:1.7;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 32px;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  border-radius:2px;transition:transform .4s var(--ease),background .4s var(--ease),color .4s var(--ease),box-shadow .4s var(--ease);
  white-space:nowrap;
}
.btn-ochre{background:var(--ochre);color:var(--ink);}
.btn-ochre:hover{background:var(--ochre-light);transform:translateY(-3px);box-shadow:0 16px 32px rgba(198,138,46,.28);}
.btn-outline-light{border:1px solid rgba(255,255,255,.45);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-3px);}
.btn-block{width:100%;}

.text-link{
  display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem;
  color:var(--text-dark);position:relative;padding-bottom:3px;
}
.text-link::after{
  content:'';position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;
  transform:scaleX(1);transform-origin:left;
}
.text-link .arrow{transition:transform .4s var(--ease);}
.text-link:hover .arrow{transform:translateX(6px);}

/* ---------- 4. THE ARCH FRAME (signature motif) ---------- */
.arch-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--ochre);
  border-radius:999px 999px 8px 8px;
  background:var(--charcoal-2);
}
.arch-frame img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-soft);}
.arch-frame--hero{width:100%;aspect-ratio:3/4;max-width:460px;margin-left:auto;}
.arch-frame--about{width:100%;aspect-ratio:4/5;}
.arch-frame--portfolio{width:100%;aspect-ratio:3/4;}
.arch-frame--review{width:64px;height:64px;border-radius:999px;flex-shrink:0;}

/* ---------- 5. LOADER / CURSOR / SCROLL PROGRESS ---------- */
.loader{
  position:fixed;inset:0;z-index:99999;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .7s var(--ease),visibility .7s var(--ease);
}
.loader.hide{opacity:0;visibility:hidden;}
.loader-mark{
  font-family:var(--display);color:var(--paper);font-size:1.6rem;letter-spacing:.5em;
  padding-left:.5em;animation:loaderPulse 1.1s ease-in-out infinite;
}
@keyframes loaderPulse{0%,100%{opacity:.35;}50%{opacity:1;}}

.scroll-progress{
  position:fixed;top:0;left:0;height:3px;background:var(--ochre);z-index:3000;width:0%;
  transition:width .1s linear;
}

/* .cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:9998;}
.cursor-dot{width:6px;height:6px;border-radius:50%;background:var(--ochre);}
.cursor-ring{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--ochre);
  transition:width .25s var(--ease),height .25s var(--ease),border-color .25s var(--ease);
}
.cursor-ring.expand{width:56px;height:56px;border-color:var(--ochre-light);}
@media (hover:none){.cursor-dot,.cursor-ring{display:none;}} */

/* ---------- 6. HEADER / NAV ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .5s var(--ease),padding .5s var(--ease),box-shadow .5s var(--ease);
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:28px 44px;
  display:flex;align-items:center;justify-content:space-between;
}
.site-header.scrolled{background:rgba(21,22,26,.88);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line-dark);}
.site-header.scrolled .header-inner{padding:16px 44px;}

.wordmark{
  display:flex;align-items:center;gap:10px;
  font-family:var(--display);font-size:1.4rem;letter-spacing:.14em;font-weight:600;color:#fff;
}
.arch-glyph{
  width:20px;height:16px;border:2px solid var(--ochre);border-bottom:none;
  border-radius:999px 999px 0 0;display:inline-block;
}
.main-nav{display:flex;gap:34px;}
.main-nav a{
  font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.78);
  position:relative;padding-bottom:5px;transition:color .3s var(--ease);
}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ochre);
  transition:width .35s var(--ease);
}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:22px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:28px;}
.nav-toggle span{height:1px;background:#fff;display:block;transition:.3s var(--ease);}

@media (max-width:960px){
  .main-nav{
    position:fixed;inset:0 0 0 auto;height:100vh;width:80%;max-width:360px;
    background:var(--ink);flex-direction:column;justify-content:center;padding:0 48px;gap:30px;
    transform:translateX(100%);transition:transform .5s var(--ease);
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .header-actions .btn-ochre{display:none;}
  .nav-toggle.open span:first-child{transform:translateY(3px) rotate(45deg);}
  .nav-toggle.open span:last-child{transform:translateY(-3px) rotate(-45deg);}
}
@media (max-width:560px){
  .header-inner,.site-header.scrolled .header-inner{padding:20px 24px;}
  .container{padding:0 24px;}
}

/* ---------- 7. HERO ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:var(--ink);color:#fff;overflow:hidden;padding:120px 0 90px;
}
.hero-grain{
  position:absolute;inset:0;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:3px 3px;
}
.hero::before{
  content:'';position:absolute;top:-20%;right:-10%;width:60vw;height:60vw;
  background:radial-gradient(circle,rgba(198,138,46,.12),transparent 65%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:0 44px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;width:100%;
}
.hero-title{font-size:clamp(2.6rem,5.4vw,4.4rem);margin:22px 0 30px;}
.reveal-line{display:block;overflow:hidden;}
.reveal-line span{
  display:block;transform:translateY(110%);
  animation:lineUp 1s var(--ease-soft) forwards;
}
.reveal-line:nth-child(1) span{animation-delay:.25s;}
.reveal-line:nth-child(2) span{animation-delay:.4s;}
.reveal-line:nth-child(3) span{animation-delay:.55s;}
@keyframes lineUp{to{transform:translateY(0);}}

.hero-sub{color:rgba(255,255,255,.68);font-size:1.05rem;line-height:1.8;max-width:46ch;margin-bottom:36px;
  opacity:0;animation:fadeUpSimple .9s var(--ease) .8s forwards;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;
  opacity:0;animation:fadeUpSimple .9s var(--ease) .95s forwards;}
@keyframes fadeUpSimple{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

.hero-metrics{display:flex;gap:46px;flex-wrap:wrap;
  opacity:0;animation:fadeUpSimple .9s var(--ease) 1.1s forwards;}
.hero-metrics .num{display:block;font-family:var(--display);font-size:2.2rem;color:var(--ochre-light);}
.hero-metrics .label{display:block;font-size:.75rem;color:rgba(255,255,255,.55);margin-top:4px;letter-spacing:.03em;}

.hero-visual{position:relative;opacity:0;animation:fadeUpSimple 1.1s var(--ease) .5s forwards;}
.hero-tag{
  position:absolute;left:-10px;bottom:24px;background:var(--paper);color:var(--text-dark);
  padding:14px 20px;display:flex;align-items:center;gap:10px;font-size:.85rem;font-weight:600;
  box-shadow:0 20px 45px rgba(0,0,0,.3);
}
.hero-tag-dot{width:7px;height:7px;border-radius:50%;background:var(--ochre);}

.scroll-hint{
  position:absolute;left:44px;bottom:36px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px;
  color:rgba(255,255,255,.6);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
}
.scroll-hint-line{width:1px;height:46px;background:linear-gradient(to bottom,rgba(255,255,255,.7),transparent);animation:scrollLine 2s ease-in-out infinite;}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-sub{margin-inline:auto;}
  .hero-actions,.hero-metrics{justify-content:center;}
  .arch-frame--hero{margin:0 auto;max-width:340px;}
  .hero-tag{left:50%;transform:translateX(-50%);}
  .scroll-hint{display:none;}
}
@media (max-width:560px){
  .hero{padding-top:110px;}
  .hero-metrics{gap:28px;}
}

/* ---------- 8. ABOUT ---------- */
.about{padding:150px 0;background:var(--paper);}
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center;}
.about-visual{position:relative;}
.about-badge{
  position:absolute;right:-24px;bottom:-24px;background:var(--ink);color:#fff;
  width:130px;height:130px;border-radius:50%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;box-shadow:0 24px 50px rgba(0,0,0,.2);
}
.about-badge-num{font-family:var(--display);font-size:2.2rem;color:var(--ochre-light);}
.about-badge-label{font-size:.7rem;letter-spacing:.05em;color:rgba(255,255,255,.7);margin-top:4px;line-height:1.4;}

.about-copy h2{font-size:clamp(2rem,4vw,2.9rem);margin-bottom:24px;}
.about-facts{display:flex;flex-direction:column;gap:16px;margin:32px 0 34px;}
.fact{display:flex;align-items:baseline;gap:16px;font-size:.98rem;color:var(--text-dark);}
.fact-mark{font-family:var(--display);color:var(--ochre);font-size:1rem;flex-shrink:0;}

.reveal-left,.reveal-right{opacity:0;transition:opacity 1s var(--ease),transform 1s var(--ease);}
.reveal-left{transform:translateX(-50px);}
.reveal-right{transform:translateX(50px);}
.reveal-left.in-view,.reveal-right.in-view{opacity:1;transform:translateX(0);}
.reveal-up{opacity:0;transform:translateY(36px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal-up.in-view{opacity:1;transform:translateY(0);}

@media (max-width:960px){
  .about{padding:100px 0;}
  .about-grid{grid-template-columns:1fr;gap:60px;}
  .about-badge{right:16px;}
}

/* ---------- 9. PROCESS ---------- */
.process{padding:150px 0;background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.process::after{
  content:'';position:absolute;bottom:-30%;left:-10%;width:55vw;height:55vw;
  background:radial-gradient(circle,rgba(198,138,46,.08),transparent 65%);pointer-events:none;
}
.process .section-head h2{color:#fff;}

.process-rail{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:36px;
}
.process-rail-line{
  position:absolute;top:14px;left:0;height:1px;background:var(--ochre);width:0%;
  transition:width 1.4s var(--ease-soft);z-index:1;
}
.process-step{position:relative;z-index:2;padding-top:40px;}
.step-num{
  position:absolute;top:0;left:0;font-family:var(--display);font-size:1.05rem;color:var(--ochre-light);
  background:var(--ink);padding-right:14px;
}
.process-step h3{font-size:1.4rem;margin-bottom:14px;color:#fff;}
.process-step p{color:var(--muted-on-dark);font-size:.94rem;line-height:1.75;}

@media (max-width:960px){
  .process{padding:110px 0;}
  .process-rail{grid-template-columns:1fr 1fr;row-gap:50px;}
  .process-rail-line{display:none;}
}
@media (max-width:560px){
  .process-rail{grid-template-columns:1fr;}
}

/* ---------- 10. SERVICES + MARQUEE ---------- */
.services{padding:0 0 150px;background:var(--paper);}
.marquee{
  overflow:hidden;background:var(--ink);padding:22px 0;margin-bottom:110px;
  border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
}
.marquee-track{
  display:flex;gap:18px;white-space:nowrap;width:max-content;
  animation:marqueeScroll 32s linear infinite;
}
.marquee-track span{
  font-family:var(--display);font-style:italic;font-size:1.3rem;color:rgba(255,255,255,.85);
}
.marquee-track .dot{color:var(--ochre);font-style:normal;}
@keyframes marqueeScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.marquee:hover .marquee-track{animation-play-state:paused;}

.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line-paper);border:1px solid var(--line-paper);}
.service-card{
  background:var(--paper);padding:44px 36px;transition:background .4s var(--ease),transform .4s var(--ease);
}
.service-card:hover{background:var(--white);transform:translateY(-4px);box-shadow:0 24px 50px rgba(0,0,0,.06);z-index:2;}
.service-icon{
  display:inline-flex;font-size:1.6rem;color:var(--ochre);margin-bottom:22px;
}
.service-card h3{font-size:1.35rem;margin-bottom:14px;}
.service-card p{color:var(--muted-on-paper);font-size:.92rem;line-height:1.75;}

@media (max-width:960px){
  .services-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .services{padding-bottom:100px;}
  .services-grid{grid-template-columns:1fr;}
  .marquee{margin-bottom:80px;}
  .marquee-track span{font-size:1.05rem;}
}

/* ---------- 11. PORTFOLIO ---------- */
.portfolio{padding:150px 0;background:var(--ink);color:#fff;}
.portfolio .eyebrow--light{color:var(--ochre-light);}
.portfolio .section-head h2{color:#fff;}
.portfolio-filter{display:flex;gap:10px;}
.filter-btn{
  padding:11px 22px;border:1px solid var(--line-dark);border-radius:999px;
  font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.7);
  transition:.35s var(--ease);
}
.filter-btn:hover{border-color:var(--ochre);color:#fff;}
.filter-btn.active{background:var(--ochre);border-color:var(--ochre);color:var(--ink);font-weight:600;}

.portfolio-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:36px;
}
.portfolio-item{cursor:pointer;}
.portfolio-item.hide{display:none;}
.portfolio-item .arch-frame img{transition:transform .9s var(--ease-soft),filter .5s var(--ease);}
.portfolio-item:hover .arch-frame img{transform:scale(1.1);filter:brightness(.85);}
.portfolio-item:hover .arch-frame{border-color:var(--ochre-light);}
.portfolio-item figcaption{padding-top:18px;}
.portfolio-item figcaption span{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ochre-light);}
.portfolio-item figcaption h3{font-size:1.3rem;margin-top:6px;color:#fff;}

@media (max-width:960px){
  .portfolio{padding:100px 0;}
  .portfolio-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:600px){
  .portfolio-grid{grid-template-columns:1fr;}
  .section-head--split{align-items:flex-start;}
}

/* ---------- 12. LIGHTBOX ---------- */
.lightbox{
  position:fixed;inset:0;z-index:2500;background:rgba(9,9,10,.95);
  display:flex;align-items:center;justify-content:center;padding:50px;
  opacity:0;pointer-events:none;transition:opacity .4s var(--ease);
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox-figure{max-width:640px;width:100%;transform:scale(.94);transition:transform .45s var(--ease);}
.lightbox.open .lightbox-figure{transform:scale(1);}
.lightbox-figure .arch-frame,
.lightbox-figure img{width:100%;}
.lightbox-figure img{
  border-radius:999px 999px 8px 8px;border:1px solid var(--ochre);aspect-ratio:3/4;object-fit:cover;
}
.lightbox-figure figcaption{text-align:center;margin-top:22px;color:#fff;}
.lightbox-figure figcaption span{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ochre-light);}
.lightbox-figure figcaption h3{font-family:var(--display);font-size:1.6rem;margin-top:8px;}
.lightbox-close{
  position:absolute;top:28px;right:32px;width:44px;height:44px;border-radius:50%;color:#fff;
  border:1px solid rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;
  transition:.3s var(--ease);
}
.lightbox-close:hover{background:var(--ochre);border-color:var(--ochre);color:var(--ink);transform:rotate(90deg);}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;color:#fff;
  border:1px solid rgba(255,255,255,.35);font-size:1.6rem;display:flex;align-items:center;justify-content:center;
  transition:.3s var(--ease);
}
.lightbox-nav:hover{background:var(--ochre);border-color:var(--ochre);color:var(--ink);}
.lightbox-prev{left:34px;}
.lightbox-next{right:34px;}
@media (max-width:640px){
  .lightbox{padding:24px;}
  .lightbox-nav{width:42px;height:42px;}
  .lightbox-prev{left:10px;}
  .lightbox-next{right:10px;}
}

/* ---------- 13. REVIEWS ---------- */
.reviews{padding:150px 0;background:var(--paper);}
.reviews-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center;}
.reviews-intro h2{font-size:clamp(2rem,4vw,2.9rem);margin-bottom:34px;}
.reviews-controls{display:flex;gap:12px;}
.rev-btn{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line-paper);font-size:1.3rem;
  display:flex;align-items:center;justify-content:center;transition:.3s var(--ease);
}
.rev-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink);}

.reviews-slider{position:relative;min-height:260px;}
.review-card{
  position:absolute;inset:0;opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.review-card.active{opacity:1;transform:translateY(0);pointer-events:auto;position:relative;}
.review-card .arch-frame{margin-bottom:22px;}
.stars{color:var(--ochre);letter-spacing:3px;margin-bottom:18px;}
.review-card p{
  font-family:var(--display);font-style:italic;font-size:1.35rem;line-height:1.6;
  color:var(--text-dark);margin-bottom:26px;
}
.review-card h4{font-size:1rem;font-family:var(--body);font-weight:600;}
.review-card span{font-size:.86rem;color:var(--muted-on-paper);}
.review-dots{display:flex;gap:8px;margin-top:34px;}
.review-dots button{
  width:8px;height:8px;border-radius:50%;background:var(--line-paper);transition:.3s var(--ease);
}
.review-dots button.active{width:22px;border-radius:5px;background:var(--ochre);}

@media (max-width:960px){
  .reviews{padding:100px 0;}
  .reviews-grid{grid-template-columns:1fr;gap:50px;}
}

/* ---------- 14. CONTACT ---------- */
.contact{padding:150px 0;background:var(--ink);color:#fff;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;}
.contact-info h2{font-size:clamp(2rem,4vw,2.9rem);margin:16px 0 20px;color:#fff;}
.info-row{display:flex;flex-direction:column;gap:4px;padding:20px 0;border-bottom:1px solid var(--line-dark);}
.info-label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ochre-light);}
.info-value{font-size:1.02rem;}
.contact-map{margin-top:34px;height:220px;overflow:hidden;border:1px solid var(--line-dark);filter:grayscale(.3) contrast(1.05);}
.contact-map iframe{width:100%;height:100%;border:0;}

.contact-form{background:var(--charcoal);padding:46px;border:1px solid var(--line-dark);}
.field{position:relative;margin-bottom:30px;}
.field label{
  position:absolute;left:0;top:14px;font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted-on-dark);pointer-events:none;transition:.3s var(--ease);transform-origin:left top;
}
.field input,.field textarea{
  width:100%;padding:14px 0 10px;border-bottom:1px solid var(--line-dark);color:#fff;font-size:1rem;
  transition:border-color .3s var(--ease);
}
.field textarea{resize:vertical;min-height:70px;}
.field input:focus,.field textarea:focus{border-color:var(--ochre);}
.field input:focus + label,.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,.field textarea:not(:placeholder-shown) + label{
  transform:translateY(-20px) scale(.82);color:var(--ochre-light);
}
.form-note{font-size:.82rem;color:var(--ochre-light);margin-top:16px;opacity:0;transition:opacity .4s var(--ease);}
.form-note.show{opacity:1;}

@media (max-width:960px){
  .contact{padding:100px 0;}
  .contact-grid{grid-template-columns:1fr;gap:50px;}
  .contact-form{padding:32px 26px;}
}

/* ---------- 15. FOOTER ---------- */
.site-footer{background:var(--charcoal);color:#fff;padding:64px 0 0;}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:40px;flex-wrap:wrap;}
.wordmark--footer{color:#fff;}
.footer-nav{display:flex;gap:26px;flex-wrap:wrap;}
.footer-nav a{font-size:.82rem;color:rgba(255,255,255,.65);transition:.3s var(--ease);}
.footer-nav a:hover{color:var(--ochre-light);}
.footer-social{display:flex;gap:14px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:center;font-size:.68rem;letter-spacing:.05em;
  transition:.3s var(--ease);
}
.footer-social a:hover{background:var(--ochre);border-color:var(--ochre);color:var(--ink);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0;display:flex;justify-content:space-between;
  font-size:.78rem;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:8px;
}
@media (max-width:640px){
  .footer-top{flex-direction:column;align-items:flex-start;}
}

/* ---------- 16. BACK TO TOP ---------- */
.top-btn{
  position:fixed;right:30px;bottom:30px;width:52px;height:52px;border-radius:50%;
  background:var(--ochre);color:var(--ink);display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;box-shadow:0 14px 34px rgba(0,0,0,.25);z-index:900;
  opacity:0;visibility:hidden;transform:translateY(20px);transition:.4s var(--ease);
}
.top-btn.show{opacity:1;visibility:visible;transform:translateY(0);}
.top-btn:hover{background:var(--ochre-light);transform:translateY(-4px);}