/* ============================================================
   Sarthak Interior Studio — shared styles
   Tokens
   ============================================================ */
:root{
  --cream:      #F5EFE3;
  --cream-2:    #EDE4D3;
  --taupe:      #B9A186;
  --walnut:     #4A362A;
  --ink:        #2A2520;
  --gold:       #C79A56;
  --rose:       #B97D6B;
  --line:       rgba(42,37,32,0.14);
  --white:      #FFFCF7;

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", serif;
  --sans:  "Work Sans", "Segoe UI", system-ui, sans-serif;

  --maxw: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.08;
  margin:0 0 0.5em;
  color:var(--walnut);
}
p{margin:0 0 1em;max-width:62ch;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gap);}
section{padding:clamp(3rem,7vw,6.5rem) 0;}

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

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
  html{scroll-behavior:auto;}
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,239,227,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--maxw); margin:0 auto; padding:0.9rem var(--gap);
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
}
.brand{display:flex;align-items:center;gap:0.65rem;}
.brand img{height:40px;width:auto;}
.brand-name{font-family:var(--serif);font-size:1.15rem;color:var(--walnut);letter-spacing:0.01em;}
.nav-links{display:flex;gap:2rem;align-items:center;}
.nav-links a{font-size:0.95rem;color:var(--ink);border-bottom:1px solid transparent;}
.nav-links a:hover, .nav-links a[aria-current="page"]{border-bottom-color:var(--gold);}
.nav-cta{
  background:var(--walnut);
  color:var(--white) !important;
  padding:0.65rem 1.3rem;
  border-radius:2px;
  font-size:0.9rem;
  font-weight:500;
  letter-spacing:0.02em;
  border:1px solid var(--walnut);
}
.nav-cta:hover{background:var(--ink);color:var(--white)!important;border-color:var(--ink);}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:0.4rem;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--walnut);margin:5px 0;}

@media (max-width:860px){
  .nav-links{
    position:fixed; inset:64px 0 auto 0; background:var(--cream);
    flex-direction:column; align-items:flex-start; gap:0; padding:1rem var(--gap) 1.5rem;
    border-bottom:1px solid var(--line);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease;
  }
  .nav-links.open{opacity:1; transform:translateY(0); pointer-events:auto;}
  .nav-links a{width:100%; padding:0.7rem 0; border-bottom:1px solid var(--line);}
  .nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  display:grid; grid-template-columns:1.05fr 0.95fr; align-items:center; gap:var(--gap);
  padding-top:clamp(2.5rem,6vw,5rem);
}
.hero-copy .eyebrow{color:var(--rose); font-size:0.95rem; margin-bottom:0.75rem; display:block;}
.hero h1{font-size:clamp(2.4rem,4.6vw,3.6rem); max-width:14ch;}
.hero p.lede{font-size:1.15rem; color:var(--ink); max-width:42ch;}
.hero-actions{display:flex; gap:1rem; margin-top:1.5rem; flex-wrap:wrap;}
.btn{
  display:inline-block; padding:0.8rem 1.6rem; border-radius:2px;
  font-size:0.95rem; letter-spacing:0.01em; border:1px solid var(--walnut);
}
.btn-primary{background:var(--walnut); color:var(--white);}
.btn-primary:hover{background:var(--ink); border-color:var(--ink);}
.btn-ghost{background:transparent; color:var(--walnut);}
.btn-ghost:hover{background:rgba(74,54,42,0.06);}
.hero-media{position:relative;}
.hero-media img{border-radius:2px; width:100%; height:clamp(320px,42vw,520px); object-fit:cover;}
.hero-media .tag{
  position:absolute; left:-1rem; bottom:-1rem; background:var(--white);
  padding:0.9rem 1.2rem; border:1px solid var(--line); max-width:230px;
  font-family:var(--serif); color:var(--walnut); font-size:1rem;
}
@media (max-width:860px){
  .hero{grid-template-columns:1fr;}
  .hero-media .tag{position:static; margin-top:1rem; max-width:none;}
}

/* ---------- Section headers ---------- */
.section-head{max-width:56ch; margin-bottom:2.5rem;}
.section-head .kicker{color:var(--rose); font-size:0.95rem; display:block; margin-bottom:0.5rem;}
.section-head h2{font-size:clamp(1.9rem,3.2vw,2.6rem);}
.hr{border:none; border-top:1px solid var(--line); margin:0;}

/* ---------- Stats strip ---------- */
.stats{
  display:flex; flex-wrap:wrap; gap:var(--gap);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:2rem 0;
}
.stats .stat{flex:1 1 160px;}
.stats .stat .num{font-family:var(--serif); font-size:2.1rem; color:var(--walnut); display:block;}
.stats .stat .label{font-size:0.9rem; color:var(--ink);}

/* ---------- Gallery / masonry grid ---------- */
.gallery{
  display:grid; grid-template-columns:repeat(6,1fr); gap:1rem;
}
.gallery figure{margin:0; overflow:hidden; border-radius:2px;}
.gallery img{width:100%; height:100%; object-fit:cover; transition:transform .5s ease;}
.gallery a:hover img{transform:scale(1.04);}
.gallery figure.wide{grid-column:span 4;}
.gallery figure.narrow{grid-column:span 2;}
.gallery figure.tall img, .gallery figure.wide img, .gallery figure.narrow img{height:340px;}
@media (max-width:760px){
  .gallery{grid-template-columns:1fr 1fr;}
  .gallery figure.wide, .gallery figure.narrow{grid-column:span 2;}
  .gallery img{height:220px;}
}

/* ---------- Cards (services / process) ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap);}
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:var(--gap);}
@media (max-width:860px){ .grid-3, .grid-2{grid-template-columns:1fr;} }

.feature{border-top:2px solid var(--gold); padding-top:1.1rem;}
.feature h3{font-size:1.25rem; margin-bottom:0.4rem;}
.feature p{font-size:0.98rem;}

.process-step{display:grid; grid-template-columns:70px 1fr; gap:1.2rem; padding:1.6rem 0; border-bottom:1px solid var(--line);}
.process-step:first-child{border-top:1px solid var(--line);}
.process-step .index{font-family:var(--serif); font-size:1.8rem; color:var(--gold);}
.process-step h3{margin-bottom:0.35rem; font-size:1.2rem;}

/* ---------- Video / vertical reels section ---------- */

.reels{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(220px,280px);
  gap:1.25rem;
  overflow-x:auto;
  padding:.5rem 0 1.25rem;
  scroll-snap-type:x mandatory;
  overscroll-behavior-x:contain;
  scrollbar-width:thin;
  scrollbar-color:var(--taupe) transparent;
}

.reels::-webkit-scrollbar{height:7px;}
.reels::-webkit-scrollbar-track{background:transparent;}
.reels::-webkit-scrollbar-thumb{background:var(--taupe);border-radius:999px;}

.reel{
  scroll-snap-align:start;
  position:relative;
  aspect-ratio:9/16;
  min-width:0;
  overflow:hidden;
  border-radius:10px;
  background:var(--walnut);
  color:var(--white);
  isolation:isolate;
  box-shadow:0 12px 35px rgba(42,37,32,.12);
  transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s ease;
}

.reel:hover{
  transform:translateY(-10px) scale(1.015);
  box-shadow:0 24px 55px rgba(42,37,32,.22);
}

.reel video,.reel img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  border:0;
  border-radius:inherit;
  background:var(--walnut);
  transition:transform .8s cubic-bezier(.2,.8,.2,1),opacity .45s ease;
}

.reel video{z-index:0;}
.reel:hover video,.reel:hover img{transform:scale(1.06);}

.reel::before{
  content:"";
  position:absolute;
  z-index:1;
  inset:35% 0 0;
  background:linear-gradient(to bottom,transparent,rgba(42,37,32,.78));
  pointer-events:none;
}

.reel::after{
  content:"▶";
  position:absolute;
  z-index:2;
  top:50%;
  left:50%;
  width:58px;
  height:58px;
  transform:translate(-50%,-50%);
  display:grid;
  place-items:center;
  padding-left:3px;
  border:1px solid rgba(255,252,247,.75);
  border-radius:50%;
  background:rgba(42,37,32,.35);
  backdrop-filter:blur(8px);
  color:var(--white);
  font-size:1.15rem;
  pointer-events:none;
  transition:transform .35s ease,background .35s ease;
}

.reel:hover::after{
  transform:translate(-50%,-50%) scale(1.12);
  background:rgba(42,37,32,.55);
}

.reel .reel-label{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:3;
  padding:3.5rem 1.1rem 1.1rem;
  font-family:var(--serif);
  font-size:1.08rem;
  font-weight:600;
  line-height:1.2;
  color:var(--white);
  pointer-events:none;
}

/* ---------- Motion / interactions ---------- */

@keyframes fadeUp{
  from{opacity:0;transform:translateY(34px);}
  to{opacity:1;transform:translateY(0);}
}

@keyframes fadeRight{
  from{opacity:0;transform:translateX(-30px);}
  to{opacity:1;transform:translateX(0);}
}

@keyframes fadeLeft{
  from{opacity:0;transform:translateX(30px);}
  to{opacity:1;transform:translateX(0);}
}

@keyframes scaleIn{
  from{opacity:0;transform:scale(.94);}
  to{opacity:1;transform:scale(1);}
}

@keyframes floatTag{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-7px);}
}

@keyframes shimmer{
  0%{background-position:-200% 0;}
  100%{background-position:200% 0;}
}

.hero-copy{animation:fadeRight .9s cubic-bezier(.2,.8,.2,1) both;}
.hero-media{animation:fadeLeft 1s .12s cubic-bezier(.2,.8,.2,1) both;}
.hero-media .tag{
  animation:fadeUp .8s .55s cubic-bezier(.2,.8,.2,1) both,floatTag 4s 1.5s ease-in-out infinite;
}

.hero-copy .eyebrow{animation:fadeUp .7s .15s both;}
.hero-copy h1{animation:fadeUp .8s .25s both;}
.hero-copy .lede{animation:fadeUp .8s .38s both;}
.hero-actions{animation:fadeUp .8s .5s both;}

main>section{animation:fadeUp .9s both;}
main>section:nth-of-type(2){animation-delay:.08s;}
main>section:nth-of-type(3){animation-delay:.16s;}
main>section:nth-of-type(4){animation-delay:.24s;}
main>section:nth-of-type(5){animation-delay:.32s;}
main>section:nth-of-type(6){animation-delay:.40s;}
main>section:nth-of-type(7){animation-delay:.48s;}

.gallery figure:nth-child(1){animation:scaleIn .8s .15s both;}
.gallery figure:nth-child(2){animation:fadeUp .8s .25s both;}
.gallery figure:nth-child(3){animation:fadeUp .8s .35s both;}
.gallery figure:nth-child(4){animation:scaleIn .8s .45s both;}

.gallery img{
  transition:transform .8s cubic-bezier(.2,.8,.2,1),filter .5s ease;
}
.gallery a:hover img{transform:scale(1.06);filter:saturate(1.08);}

.stat,.feature{transition:transform .4s cubic-bezier(.2,.8,.2,1);}
.stat:hover,.feature:hover{transform:translateY(-7px);}

.btn,.nav-cta{
  position:relative;
  overflow:hidden;
  transition:transform .3s ease,background .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease;
}

.btn::before,.nav-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.18) 45%,transparent 70%);
  background-size:200% 100%;
  transform:translateX(-100%);
  pointer-events:none;
}

.btn:hover::before,.nav-cta:hover::before{animation:shimmer .8s ease;}
.btn:hover,.nav-cta:hover{transform:translateY(-2px);}

.site-header{transition:background .3s ease,box-shadow .3s ease;}
.nav-links a{transition:color .25s ease,border-color .25s ease;}

@media (max-width:860px){
  .nav-links{
    box-shadow:0 18px 40px rgba(42,37,32,.10);
  }

  .nav-links a{
    transition:color .25s ease,padding-left .25s ease,border-color .25s ease;
  }

  .nav-links a:hover{padding-left:.4rem;}

  .nav-links .nav-cta{
    width:auto;
    margin-top:.5rem;
    padding:.75rem 1.2rem;
  }
}

@media (max-width:760px){
  .reels{
    grid-auto-columns:min(78vw,270px);
    gap:.85rem;
  }

  .reel{border-radius:8px;}
  .reel::after{width:52px;height:52px;}
}

@media (max-width:520px){
  .hero{padding-top:2rem;}

  .hero h1{font-size:clamp(2.35rem,11vw,3.2rem);}
  .hero p.lede{font-size:1rem;}

  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .hero-actions .btn{
    width:100%;
    text-align:center;
  }

  .stats{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:1.25rem;
  }

  .stats .stat .num{font-size:1.8rem;}
  section{padding:4rem 0;}
  .section-head{margin-bottom:1.8rem;}
}

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

  .reel:hover,.btn:hover,.nav-cta:hover,.feature:hover,.stat:hover{
    transform:none;
  }
}

/* ---------- Testimonial / quote ---------- */
.quote{
  font-family:var(--serif); font-size:clamp(1.5rem,2.6vw,2.1rem); color:var(--walnut);
  max-width:44ch; line-height:1.35;
}
.quote-cite{margin-top:1rem; font-family:var(--sans); font-size:0.95rem; color:var(--ink);}

/* ---------- Founders / about ---------- */
.founders{display:grid; grid-template-columns:0.85fr 1.15fr; gap:var(--gap); align-items:center;}
.founders img{border-radius:2px;}
@media (max-width:860px){.founders{grid-template-columns:1fr;}}

/* ---------- Values list ---------- */
.values{display:grid; grid-template-columns:repeat(2,1fr); gap:1.5rem var(--gap);}
@media (max-width:760px){.values{grid-template-columns:1fr;}}
.value dt{font-family:var(--serif); color:var(--walnut); font-size:1.1rem; margin-bottom:0.25rem;}
.value dd{margin:0; font-size:0.98rem;}

/* ---------- Filter bar (Our Work) ---------- */
.filters{display:flex; flex-wrap:wrap; gap:0.6rem; margin-bottom:2rem;}
.filters button{
  background:transparent; border:1px solid var(--line); padding:0.5rem 1rem;
  border-radius:20px; font-family:var(--sans); font-size:0.9rem; cursor:pointer; color:var(--ink);
}
.filters button.active, .filters button:hover{border-color:var(--gold); color:var(--walnut);}

/* ---------- Contact / CTA band ---------- */
.cta-band{background:var(--walnut); color:var(--white);}
.cta-band h2{color:var(--white);}
.cta-band p{color:rgba(255,252,247,0.85);}
.cta-band .btn-primary{background:var(--white); color:var(--walnut); border-color:var(--white);}
.cta-band .btn-primary:hover{background:var(--cream);}

/* ---------- Contact form ---------- */
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:1rem;}
@media (max-width:640px){.form-row{grid-template-columns:1fr;}}
label{display:block; font-size:0.88rem; margin-bottom:0.3rem; color:var(--ink);}
input, select, textarea{
  width:100%; padding:0.7rem 0.85rem; border:1px solid var(--line); background:var(--white);
  border-radius:2px; font-family:var(--sans); font-size:0.98rem; color:var(--ink);
}
textarea{resize:vertical; min-height:110px;}
.field{margin-bottom:1.1rem;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line); padding:2.5rem 0; font-size:0.9rem;}
.footer-grid{display:flex; flex-wrap:wrap; justify-content:space-between; gap:2rem;}
.footer-grid h4{font-size:0.85rem; text-transform:none; color:var(--walnut); margin-bottom:0.6rem;}
.footer-grid a{display:block; margin-bottom:0.4rem; color:var(--ink);}
.footer-bottom{margin-top:2rem; padding-top:1.2rem; border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:0.5rem; color:var(--taupe);}