/* ==========================================================
   مساحة · MASAHA Architecture & Interiors
   مكتب تصميم داخلي وهندسي — معرض أعمال بفلاتر
   ========================================================== */

@font-face{font-family:"Reem Kufi";src:url("../fonts/reem-kufi-arabic-500-normal.woff2") format("woff2");font-weight:500;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Reem Kufi";src:url("../fonts/reem-kufi-arabic-600-normal.woff2") format("woff2");font-weight:600;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Noto Arabic";src:url("../fonts/noto-sans-arabic-arabic-400-normal.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Noto Arabic";src:url("../fonts/noto-sans-arabic-arabic-500-normal.woff2") format("woff2");font-weight:500;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Noto Arabic";src:url("../fonts/noto-sans-arabic-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+00B2,U+2000-206F,U+2212}
@font-face{font-family:"Noto Arabic";src:url("../fonts/noto-sans-arabic-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap;unicode-range:U+0000-00FF,U+00B2,U+2000-206F,U+2212}
@font-face{font-family:"Cormorant";src:url("../fonts/cormorant-garamond-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Cormorant";src:url("../fonts/cormorant-garamond-latin-500-italic.woff2") format("woff2");font-weight:500;font-style:italic;font-display:swap}

:root{
  --graphite:#22252A;
  --graphite-2:#3A3E45;
  --concrete:#D9D6D0;
  --concrete-2:#E9E7E2;
  --lime:#FAFAF8;
  --brass:#B08D57;
  --brass-d:#8C6D3F;
  --sage:#8A9A86;
  --muted:#6D7077;
  --line:#D9D6D0;

  --f-display:"Reem Kufi","Noto Arabic",system-ui,sans-serif;
  --f-body:"Noto Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-latin:"Cormorant",Georgia,serif;

  --gutter:clamp(16px,4vw,48px);
  --max:1360px;
  --header-h:76px;
  --ease:cubic-bezier(.65,0,.35,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;-webkit-text-size-adjust:100%;scroll-padding-top:var(--header-h)}
body{margin:0;background:var(--lime);color:var(--graphite);font-family:var(--f-body);font-size:16.5px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
::selection{background:var(--graphite);color:var(--lime)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:500;line-height:1.25;margin:0;text-wrap:balance}
p{margin:0}
.num{font-variant-numeric:tabular-nums lining-nums}
.it{font-family:var(--f-latin);font-style:italic;font-weight:500;letter-spacing:.01em;direction:ltr;unicode-bidi:isolate}
.label{font-size:12.5px;letter-spacing:.08em;color:var(--muted);font-weight:500}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 28px;font-weight:500;font-size:15.5px;text-decoration:none;white-space:nowrap;border-radius:0;transition:background .3s,color .3s}
.btn-dark{background:var(--graphite);color:var(--lime)}
.btn-dark:hover{background:var(--brass-d)}
.btn-line{box-shadow:inset 0 0 0 1px var(--graphite)}
.btn-line:hover{background:var(--graphite);color:var(--lime)}
.btn svg{width:18px;height:18px}
.link{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:500;padding-bottom:4px;background:linear-gradient(currentColor,currentColor) 100% 100%/100% 1px no-repeat;transition:background-size .5s var(--ease)}
.link:hover{background-size:0 1px;background-position:0 100%}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,transform .5s var(--ease)}
.site-header.solid{background:rgba(250,250,248,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.site-header.hide{transform:translateY(-100%)}
.site-header .container{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.wordmark{display:flex;align-items:baseline;gap:12px;text-decoration:none}
.wordmark b{font-family:var(--f-display);font-weight:600;font-size:28px;line-height:1}
.wordmark .it{font-size:17px;color:var(--muted)}
.nav{display:flex;gap:30px}
.nav a{text-decoration:none;font-size:15px;position:relative}
.nav a::after{content:"";position:absolute;inset-inline:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav a:hover::after{transform:scaleX(1);transform-origin:right}
.site-header .btn{min-height:44px;padding:0 20px;font-size:14.5px}
@media (max-width:900px){.nav{display:none}.wordmark .it{display:none}}

/* ---------- Hero ---------- */
.hero{padding-top:calc(var(--header-h) + clamp(32px,6vw,80px))}
.hero-top{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-bottom:clamp(28px,4vw,48px)}
.hero h1{font-size:clamp(48px,8.6vw,128px);line-height:1.1;font-weight:500;letter-spacing:-.01em}
.hero h1 .it{display:block;font-size:.42em;color:var(--brass-d);line-height:1.3;margin-top:.2em;text-align:right}
.hero-side{display:grid;gap:18px;max-width:34ch;padding-bottom:12px}
.hero-side p{color:var(--muted)}
.hero-figure{position:relative;margin:0}
.hero-figure .img{aspect-ratio:21/9;overflow:hidden;background:var(--concrete)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure figcaption{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:14px;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.hero-figure figcaption b{color:var(--graphite);font-weight:500}
@media (max-width:900px){.hero-top{grid-template-columns:1fr}.hero-figure .img{aspect-ratio:4/3}}

.facts{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.facts div{padding:28px 0 28px 20px;display:grid;gap:2px}
.facts div + div{border-inline-start:1px solid var(--line);padding-inline-start:24px}
.facts b{font-family:var(--f-latin);font-weight:500;font-size:clamp(40px,4.6vw,64px);line-height:1;direction:ltr;text-align:right}
.facts div > span{font-size:14px;color:var(--muted)}
@media (max-width:760px){.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(3){border-inline-start:0;padding-inline-start:0}.facts div:nth-child(n+3){border-top:1px solid var(--line)}}

/* ---------- Section heads ---------- */
.section{padding-block:clamp(72px,10vw,140px)}
.sec-head{display:grid;grid-template-columns:auto 1fr auto;gap:16px 40px;align-items:end;margin-bottom:clamp(28px,4vw,48px)}
.sec-head .idx{font-family:var(--f-latin);font-style:italic;font-size:20px;color:var(--brass-d);direction:ltr}
.sec-head h2{font-size:clamp(36px,5vw,72px)}
.sec-head p{color:var(--muted);max-width:40ch;justify-self:end}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}.sec-head p{justify-self:start}}

/* ---------- Work grid ---------- */
.filters{display:flex;flex-wrap:wrap;gap:6px 28px;margin-bottom:32px;border-bottom:1px solid var(--line);padding-bottom:16px}
.filter{position:relative;font-size:16px;color:var(--muted);padding:6px 0;transition:color .3s}
.filter sup{font-family:var(--f-latin);font-size:13px;margin-inline-start:4px}
.filter:hover{color:var(--graphite)}
.filter[aria-pressed="true"]{color:var(--graphite)}
.filter[aria-pressed="true"]::after{content:"";position:absolute;inset-inline:0;bottom:-17px;height:2px;background:var(--graphite)}
.work{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(28px,3vw,40px) clamp(16px,2.4vw,32px)}
.project{position:relative;grid-column:span 4;display:grid;gap:12px;align-content:start;cursor:none}
.project.w6{grid-column:span 6}
.project.w8{grid-column:span 8}
.project .media{position:relative;overflow:hidden;background:var(--concrete);aspect-ratio:4/5}
.project.w6 .media{aspect-ratio:4/3}
.project.w8 .media{aspect-ratio:16/10}
.project .media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.project:hover .media img{transform:scale(1.04)}
.project .meta{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.project h3{font-size:22px}
.project .cat{font-size:14px;color:var(--muted);white-space:nowrap}
.project .sub{font-size:14px;color:var(--muted);margin-top:-8px}
.project button.hit{position:absolute;inset:0;z-index:2;cursor:none}
.project[hidden]{display:none}
@media (hover:none){.project,.project button.hit{cursor:pointer}}
@media (max-width:980px){.project,.project.w6,.project.w8{grid-column:span 6}.project .media,.project.w6 .media,.project.w8 .media{aspect-ratio:4/3}}
@media (max-width:620px){.project,.project.w6,.project.w8{grid-column:1/-1}}

.cursor{position:fixed;left:0;top:0;z-index:60;width:96px;height:96px;margin:-48px 0 0 -48px;border-radius:50%;background:var(--graphite);color:var(--lime);display:grid;place-items:center;text-align:center;font-size:13.5px;font-weight:500;line-height:1.3;pointer-events:none;transform:scale(0);transition:transform .35s var(--ease-out)}
.cursor.on{transform:scale(1)}
@media (hover:none){.cursor{display:none}}

/* ---------- Project viewer ---------- */
.viewer{position:fixed;inset:0;z-index:80;background:var(--lime);display:grid;grid-template-columns:1.5fr 1fr;visibility:hidden;clip-path:inset(100% 0 0 0);transition:clip-path .8s var(--ease),visibility 0s .8s}
.viewer.open{visibility:visible;clip-path:inset(0 0 0 0);transition:clip-path .8s var(--ease)}
.viewer > *{min-width:0}
.stage{position:relative;background:var(--graphite);display:grid;grid-template-rows:1fr auto;min-height:0}
.stage .frame{position:relative;overflow:hidden;min-height:0}
.stage .frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .6s}
.stage .nav-btns{position:absolute;bottom:20px;inset-inline-start:20px;display:flex;gap:8px;z-index:2}
.stage .nav-btns button{width:52px;height:52px;background:var(--lime);display:grid;place-items:center}
.stage .nav-btns button:hover{background:var(--brass);color:var(--lime)}
.stage .nav-btns svg{width:20px;height:20px}
.stage .counter{position:absolute;top:20px;inset-inline-start:20px;z-index:2;color:var(--lime);font-family:var(--f-latin);font-size:22px;direction:ltr}
.thumbs{display:flex;gap:8px;padding:12px;overflow-x:auto;background:var(--graphite)}
.thumbs button{flex:none;width:96px;aspect-ratio:4/3;opacity:.45;transition:opacity .3s;outline-offset:2px}
.thumbs button[aria-current="true"],.thumbs button:hover{opacity:1}
.thumbs img{width:100%;height:100%;object-fit:cover}
.info{overflow-y:auto;overscroll-behavior:contain;padding:clamp(24px,4vw,56px);display:grid;gap:28px;align-content:start}
.info-top{display:flex;justify-content:space-between;align-items:center}
.close{display:inline-flex;align-items:center;gap:10px;font-size:15px}
.close i{width:44px;height:44px;border:1px solid var(--graphite);display:grid;place-items:center;transition:background .3s,color .3s}
.close:hover i{background:var(--graphite);color:var(--lime)}
.close svg{width:18px;height:18px}
.info h2{font-size:clamp(34px,3.6vw,52px)}
.info .lede{color:var(--muted)}
.spec{margin:0;display:grid;grid-template-columns:auto 1fr;border-top:1px solid var(--line)}
.spec dt,.spec dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.spec dt{color:var(--muted);padding-inline-end:24px}
.spec dd{font-weight:500}
.materials{display:flex;flex-wrap:wrap;gap:14px}
.materials figure{margin:0;display:grid;gap:6px;justify-items:center;font-size:13px;color:var(--muted);width:72px;text-align:center;line-height:1.4}
.materials i{width:56px;height:56px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.pn{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;gap:16px}
.pn button{display:grid;text-align:start;gap:2px;max-width:48%}
.pn button:last-child{text-align:end}
.pn small{color:var(--muted);font-size:13px}
.pn b{font-family:var(--f-display);font-weight:500;font-size:19px}
@media (max-width:900px){
  .viewer{grid-template-columns:1fr;grid-template-rows:auto 1fr;overflow-y:auto}
  .stage .frame{aspect-ratio:4/3}
  .info{overflow:visible}
}

/* ---------- Process ---------- */
.process{background:var(--graphite);color:var(--lime)}
.process .sec-head p{color:#A9ACB2}
.process .sec-head .idx{color:var(--brass)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,28px);counter-reset:s}
.step{display:grid;gap:16px;align-content:start;padding-top:22px;border-top:1px solid var(--graphite-2);position:relative}
.step::before{content:"";position:absolute;top:-1px;inset-inline-start:0;height:1px;width:var(--p,0%);background:var(--brass);transition:width .2s linear}
.step .n{font-family:var(--f-latin);font-style:italic;font-size:44px;line-height:1;color:var(--brass);direction:ltr;text-align:right}
.step h3{font-size:26px}
.step p{color:#A9ACB2;font-size:15.5px}
.step .dur{font-size:13.5px;color:var(--concrete)}
.step .pic{aspect-ratio:4/3;overflow:hidden;background:var(--graphite-2)}
.step .pic img,.step .pic svg{width:100%;height:100%;object-fit:cover}
@media (max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* ---------- Services ---------- */
.services{border-top:1px solid var(--line)}
.service{display:grid;grid-template-columns:60px 1.1fr 1.6fr auto;gap:24px;align-items:baseline;padding-block:28px;border-bottom:1px solid var(--line);position:relative}
.service .n{font-family:var(--f-latin);font-style:italic;font-size:22px;color:var(--brass-d);direction:ltr;text-align:right}
.service h3{font-size:clamp(24px,2.6vw,34px)}
.service p{color:var(--muted)}
.service .from{font-size:14px;color:var(--muted);white-space:nowrap;text-align:end}
.service .from b{display:block;color:var(--graphite);font-size:18px;font-weight:500}
@media (max-width:860px){.service{grid-template-columns:40px 1fr}.service p,.service .from{grid-column:2}.service .from{text-align:start}}

/* ---------- Estimator ---------- */
.estimator{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.estimator > *{min-width:0;padding:clamp(24px,4vw,48px)}
.est-form{display:grid;gap:24px;border-inline-end:1px solid var(--line)}
.est-form fieldset{border:0;margin:0;padding:0;display:grid;gap:10px}
.est-form legend,.est-form label.l{font-size:14px;font-weight:500;padding:0;margin-bottom:10px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{position:relative;cursor:pointer}
.opts input{position:absolute;opacity:0;pointer-events:none}
.opts span{display:inline-flex;min-height:44px;align-items:center;padding:0 18px;border:1px solid var(--line);font-size:15px;transition:all .25s}
.opts label:hover span{border-color:var(--graphite)}
.opts input:checked + span{background:var(--graphite);color:var(--lime);border-color:var(--graphite)}
.opts input:focus-visible + span{outline:2px solid var(--brass);outline-offset:2px}
.area-row{display:flex;align-items:center;gap:16px}
.area-row input[type=range]{flex:1;accent-color:var(--graphite)}
.area-row output{font-family:var(--f-latin);font-size:34px;min-width:120px;text-align:center;direction:ltr}
.est-out{background:var(--concrete-2);display:grid;gap:22px;align-content:start}
.est-out .big{font-family:var(--f-latin);font-size:clamp(42px,5vw,68px);line-height:1;direction:ltr;text-align:right}
.est-out .big small{font-family:var(--f-body);font-size:16px;color:var(--muted)}
.breakdown{display:grid;gap:10px}
.breakdown div{display:flex;justify-content:space-between;gap:12px;font-size:15px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.breakdown span:first-child{color:var(--muted)}
.bar3{display:flex;height:8px;gap:3px}
.bar3 i{display:block;height:100%;transition:flex-grow .6s var(--ease)}
.est-note{font-size:13px;color:var(--muted)}
@media (max-width:900px){.estimator{grid-template-columns:1fr}.est-form{border-inline-end:0;border-bottom:1px solid var(--line)}}

/* ---------- Testimonial ---------- */
.quote-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px)}
.quote-wrap > *{min-width:0}
blockquote{margin:0;display:grid;gap:20px}
blockquote p{font-family:var(--f-display);font-size:clamp(22px,2.4vw,30px);line-height:1.6}
blockquote footer{font-size:14.5px;color:var(--muted)}
blockquote footer b{color:var(--graphite);font-weight:500}
@media (max-width:860px){.quote-wrap{grid-template-columns:1fr}}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,96px)}
.contact > *{min-width:0}
.contact h2{font-size:clamp(40px,6vw,88px);line-height:1.15}
.contact .addr{display:grid;gap:14px;margin-top:32px;font-size:15.5px}
.contact .addr span{color:var(--muted);display:block;font-size:13px}
form.cf{display:grid;gap:22px}
.f{display:grid;gap:4px}
.f label{font-size:13.5px;color:var(--muted)}
.f input,.f select,.f textarea{border:0;border-bottom:1px solid var(--graphite);background:transparent;height:48px;padding:0;border-radius:0}
.f textarea{height:auto;min-height:96px;padding-top:10px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-bottom-width:2px;border-color:var(--brass-d)}
.f .err{display:none;font-size:13px;color:#A3412A}
.f.invalid input{border-color:#A3412A}
.f.invalid .err{display:block}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
@media (max-width:520px){.two{grid-template-columns:1fr}}
.sent{display:grid;gap:12px;padding:32px;background:var(--concrete-2)}
.sent h3{font-size:30px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding-block:40px;font-size:14px;color:var(--muted)}
.site-footer .container{display:grid;gap:20px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.foot ul{list-style:none;margin:0;padding:0;display:flex;gap:20px;flex-wrap:wrap}
.foot a{text-decoration:none}
.foot a:hover{color:var(--graphite)}
.credits{font-size:12.5px;line-height:1.8}
.credits a{text-decoration:underline;text-underline-offset:3px}
.big-mark{font-family:var(--f-display);font-weight:600;font-size:clamp(80px,22vw,320px);line-height:.9;color:var(--concrete-2);text-align:center;user-select:none;margin-top:12px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}