/* =========================================================================
   MS INTERIOR — Commercial Interior Architecture & Design
   Architectural, minimal, typography-led. Sans-serif only.
   ========================================================================= */

:root{
  --ink:#0e0e0f;
  --ink-80:rgba(14,14,15,.80);
  --ink-55:rgba(14,14,15,.55);
  --paper:#f7f6f3;
  --paper-2:#efedea;
  --white:#ffffff;
  --line:rgba(14,14,15,.14);
  --line-soft:rgba(14,14,15,.08);
  --line-light:rgba(255,255,255,.20);

  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;

  --gut:clamp(1.25rem,5vw,5rem);
  --maxw:1500px;
  --sec:clamp(4.5rem,10vw,9rem);
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:var(--font);
  background:var(--paper);
  color:var(--ink);
  font-size:1rem;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}

::selection{background:var(--ink);color:var(--paper)}
:focus:not(:focus-visible){outline:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:2px}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:var(--sec)}
.rule{height:1px;background:var(--line);border:0}

/* ---------- type ---------- */
.label{
  font-size:.6875rem;letter-spacing:.18em;text-transform:uppercase;
  font-weight:500;color:var(--ink-55);
}
.h-xl{font-size:clamp(2.6rem,7.4vw,6.4rem);line-height:.94;letter-spacing:-.035em;font-weight:600}
.h-lg{font-size:clamp(2rem,4.6vw,3.6rem);line-height:1.02;letter-spacing:-.03em;font-weight:600}
.h-md{font-size:clamp(1.35rem,2.2vw,1.9rem);line-height:1.15;letter-spacing:-.02em;font-weight:600}
.h-sm{font-size:1.0625rem;line-height:1.3;letter-spacing:-.01em;font-weight:600}
.lede{font-size:clamp(1.0625rem,1.5vw,1.3125rem);line-height:1.6;color:var(--ink-80);font-weight:400}
.body{color:var(--ink-80)}
.muted{color:var(--ink-55)}
.measure{max-width:62ch}
.measure-sm{max-width:48ch}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-size:.8125rem;letter-spacing:.06em;font-weight:500;
  padding:1.05em 2em;border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn:hover{background:transparent;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn--light:hover{background:transparent;color:var(--paper)}
.btn--ghost-light{background:transparent;color:#fff;border-color:var(--line-light)}
.btn--ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{padding:.85em 1.5em;font-size:.75rem}

/* ---------- header ---------- */
.hdr{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease),color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.hdr__in{
  max-width:var(--maxw);margin-inline:auto;padding:1.1rem var(--gut);
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
}
.brand{display:flex;align-items:center;gap:.7rem;flex:0 0 auto}
.brand__logo{height:34px;width:auto}
.brand__txt{font-size:.9375rem;font-weight:600;letter-spacing:.01em;line-height:1.1}
.brand__sub{display:block;font-size:.5625rem;letter-spacing:.2em;text-transform:uppercase;font-weight:500;opacity:.6;margin-top:.15rem}

.nav{display:flex;gap:2.2rem}
.nav a{font-size:.875rem;font-weight:450;position:relative;padding-block:.2rem}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:right;
  transition:transform .4s var(--ease);
}
.nav a:hover::after{transform:scaleX(1);transform-origin:left}

.hdr--dark{color:#fff}
.hdr--solid{background:rgba(247,246,243,.92);backdrop-filter:blur(10px);border-bottom-color:var(--line);color:var(--ink)}
.hdr--dark .btn{background:#fff;color:var(--ink);border-color:#fff}
.hdr--dark .btn:hover{background:transparent;color:#fff;border-color:var(--line-light)}

.burger{display:none;width:40px;height:40px;background:none;border:0;cursor:pointer;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:1.5px;background:currentColor;transition:.35s var(--ease)}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){bottom:16px}
.burger.is-open span:nth-child(1){top:19px;transform:rotate(45deg)}
.burger.is-open span:nth-child(2){bottom:19.5px;transform:rotate(-45deg)}

.mnav{
  position:fixed;inset:0;z-index:99;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;justify-content:center;padding:0 var(--gut);
  opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s;
}
.mnav.is-open{opacity:1;visibility:visible}
.mnav a{font-size:clamp(2rem,9vw,3rem);font-weight:600;letter-spacing:-.03em;padding:.4rem 0;border-bottom:1px solid var(--line-light)}
.mnav__foot{margin-top:2.5rem;font-size:.875rem;color:rgba(255,255,255,.65);line-height:2}
.mnav__foot a{font-size:.875rem;font-weight:400;border:0;padding:0;display:block}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,14,15,.62) 0%,rgba(14,14,15,.30) 38%,rgba(14,14,15,.72) 100%);
}
.hero__in{position:relative;width:100%;max-width:var(--maxw);margin-inline:auto;padding:0 var(--gut) clamp(3rem,8vh,6rem)}
.hero .label{color:rgba(255,255,255,.75)}
.hero h1{margin-top:1.5rem;color:#fff;max-width:16ch}
.hero__sub{margin-top:1.75rem;max-width:52ch;color:rgba(255,255,255,.86);font-size:clamp(1rem,1.4vw,1.1875rem);line-height:1.6}
.hero__cta{margin-top:2.5rem;display:flex;gap:.8rem;flex-wrap:wrap}
.hero__meta{
  position:absolute;right:var(--gut);bottom:clamp(3rem,8vh,6rem);
  text-align:right;font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.55);line-height:2;
}

/* ---------- intro ---------- */
.intro__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:center}
.intro__fig{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.intro__fig img{width:100%;height:100%;object-fit:cover}

/* ---------- services ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap;margin-bottom:clamp(2.5rem,5vw,4rem)}
.svc{border-top:1px solid var(--line)}
.svc__row{
  display:grid;grid-template-columns:5rem 1fr 1.15fr;gap:clamp(1rem,3vw,3rem);
  padding:clamp(1.6rem,3vw,2.4rem) 0;border-bottom:1px solid var(--line);
  align-items:start;transition:padding-left .4s var(--ease);
}
.svc__row:hover{padding-left:.6rem}
.svc__n{font-size:.75rem;letter-spacing:.1em;color:var(--ink-55);font-weight:500;padding-top:.35rem}
.svc__t{font-size:clamp(1.1rem,1.7vw,1.4rem);font-weight:600;letter-spacing:-.02em;line-height:1.25}
.svc__d{color:var(--ink-55);font-size:.9375rem;line-height:1.65}

/* ---------- projects ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.2rem,2.5vw,2.2rem)}
.pcard{display:block}
.pcard__fig{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2);margin-bottom:1.1rem}
.pcard__fig img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.pcard:hover .pcard__fig img{transform:scale(1.04)}
.pcard__type{font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-55);font-weight:500}
.pcard__name{font-size:1.1875rem;font-weight:600;letter-spacing:-.02em;margin-top:.5rem}
.pcard__loc{font-size:.8125rem;color:var(--ink-55);margin-top:.2rem}
.pcard__desc{font-size:.9375rem;color:var(--ink-55);line-height:1.6;margin-top:.7rem;max-width:42ch}

/* ---------- approach ---------- */
.approach{background:var(--ink);color:#fff}
.approach .label{color:rgba(255,255,255,.55)}
.approach .h-lg{color:#fff}
.ap__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.5rem,3vw,3rem);margin-top:clamp(2.5rem,5vw,4rem)}
.ap__item{border-top:1px solid var(--line-light);padding-top:1.4rem}
.ap__n{font-size:.75rem;letter-spacing:.12em;color:rgba(255,255,255,.5);font-weight:500}
.ap__t{font-size:1.1875rem;font-weight:600;letter-spacing:-.02em;margin-top:.9rem;color:#fff}
.ap__d{font-size:.9375rem;line-height:1.65;color:rgba(255,255,255,.62);margin-top:.6rem}

/* ---------- why ---------- */
.why__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.5rem,3vw,3rem);margin-top:clamp(2.5rem,5vw,4rem)}
.why__item{border-top:1px solid var(--line);padding-top:1.4rem}
.why__t{font-size:1.0625rem;font-weight:600;letter-spacing:-.015em}
.why__d{font-size:.9375rem;line-height:1.65;color:var(--ink-55);margin-top:.6rem}

/* ---------- cta band ---------- */
.cta{position:relative;color:#fff;overflow:hidden}
.cta__bg{position:absolute;inset:0}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta__bg::after{content:"";position:absolute;inset:0;background:rgba(14,14,15,.74)}
.cta__in{position:relative;padding-block:clamp(4.5rem,9vw,8rem);text-align:center}
.cta .h-lg{color:#fff;max-width:20ch;margin-inline:auto}
.cta__sub{margin-top:1.4rem;color:rgba(255,255,255,.78);max-width:52ch;margin-inline:auto}
.cta__btns{margin-top:2.4rem;display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}

/* ---------- contact ---------- */
.ct__grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(2.5rem,6vw,6rem);margin-top:clamp(2.5rem,5vw,3.5rem)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem 1.6rem}
.field{display:flex;flex-direction:column}
.field--full{grid-column:1/-1}
.field label{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-55);font-weight:500;margin-bottom:.5rem}
.field input,.field select,.field textarea{
  border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:.65rem 0;font-size:.9375rem;transition:border-color .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--ink)}
.field textarea{resize:vertical;min-height:90px}
.form__actions{grid-column:1/-1;display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;margin-top:.4rem}
.form__note{font-size:.8125rem;color:var(--ink-55)}
.hp{position:absolute;left:-9999px;width:0;height:0;opacity:0}

.ct__blk{border-top:1px solid var(--line);padding-top:1.3rem;margin-bottom:2rem}
.ct__k{font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-55);font-weight:500;margin-bottom:.6rem}
.ct__v{font-size:.9375rem;line-height:1.75}
.ct__v a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:#fff;padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.ftr__top{display:flex;justify-content:space-between;gap:2.5rem;flex-wrap:wrap;align-items:flex-start}
.ftr__brand{display:flex;align-items:center;gap:.8rem}
.ftr__logo{height:42px;width:auto}
.ftr__name{font-size:1.0625rem;font-weight:600}
.ftr__tag{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:.25rem}
.ftr__nav{display:flex;gap:1.8rem;flex-wrap:wrap}
.ftr__nav a{font-size:.875rem;color:rgba(255,255,255,.75)}
.ftr__nav a:hover{color:#fff}
.ftr__bot{
  margin-top:clamp(2.5rem,5vw,4rem);padding-top:1.5rem;border-top:1px solid var(--line-light);
  display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  font-size:.75rem;color:rgba(255,255,255,.5);
}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-1{transition-delay:.07s}.rv-2{transition-delay:.14s}.rv-3{transition-delay:.21s}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .pcard__fig img,.svc__row{transition:none}
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:1080px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .ap__grid,.why__grid{grid-template-columns:repeat(2,1fr)}
  .svc__row{grid-template-columns:3.5rem 1fr;gap:1rem 1.5rem}
  .svc__d{grid-column:2/-1}
}
@media (max-width:860px){
  .nav{display:none}
  .hdr .btn{display:none}
  .burger{display:block}
  .intro__grid,.ct__grid{grid-template-columns:1fr}
  .hero__meta{display:none}
  .hero{min-height:92svh}
}
@media (max-width:620px){
  .pgrid{grid-template-columns:1fr}
  .ap__grid,.why__grid{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .hero__cta .btn,.cta__btns .btn{flex:1 1 100%}
  .ftr__top{flex-direction:column;gap:1.8rem}
}

/* =========================================================================
   QUICK CONTACT — floating WhatsApp / call
   ========================================================================= */
.fabs{
  position:fixed;right:clamp(1rem,2.2vw,1.75rem);bottom:clamp(1rem,2.2vw,1.75rem);
  z-index:60;display:flex;flex-direction:column;gap:.7rem;
}
.fab{
  width:3.125rem;height:3.125rem;border-radius:50%;
  display:grid;place-items:center;
  background:var(--ink);color:var(--white);
  box-shadow:0 6px 26px rgba(14,14,15,.28);
  transition:transform .35s var(--ease),background .35s var(--ease),box-shadow .35s var(--ease);
}
.fab svg{width:1.375rem;height:1.375rem;display:block}
.fab--call svg{width:1.25rem;height:1.25rem}
.fab:hover,.fab:focus-visible{transform:translateY(-3px);box-shadow:0 10px 32px rgba(14,14,15,.34)}
.fab--wa:hover,.fab--wa:focus-visible{background:#128c7e}
.fab:focus-visible{outline:2px solid var(--white);outline-offset:3px}
@media (max-width:620px){
  .fab{width:2.875rem;height:2.875rem}
  .fabs{gap:.6rem}
}
@media (prefers-reduced-motion:reduce){
  .fab{transition:none}
  .fab:hover,.fab:focus-visible{transform:none}
}

/* =========================================================================
   CLIENTS — continuous marquee
   ========================================================================= */
.clients{
  padding:clamp(3rem,6vw,4.5rem) 0;
  background:var(--paper);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.clients .label{margin-bottom:clamp(1.75rem,3vw,2.5rem)}

.mq{
  position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.mq__row{display:flex;width:max-content;animation:mq-scroll 46s linear infinite}
.mq:hover .mq__row,.mq:focus-within .mq__row{animation-play-state:paused}
.mq__t{display:flex;align-items:center;margin:0;padding:0;list-style:none}
.mq__i{
  flex:0 0 auto;
  padding:0 clamp(1.6rem,3.4vw,3.2rem);
  font-size:clamp(1.0625rem,1.7vw,1.5rem);
  font-weight:500;
  letter-spacing:-.015em;
  white-space:nowrap;
  color:var(--ink-55);
  transition:color .35s var(--ease);
}
.mq__i:hover{color:var(--ink)}

@keyframes mq-scroll{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
@media (prefers-reduced-motion:reduce){
  .mq{-webkit-mask-image:none;mask-image:none;overflow-x:auto}
  .mq__row{animation:none;width:auto}
  .mq__t[aria-hidden="true"]{display:none}
  .mq__t{flex-wrap:wrap;justify-content:center;gap:.4rem 0}
}