/* Rivoli Tekstil — "Midnight Atelier" design system
   Concept build by Matching Skill. Dark gallery ground, gold thread, bone type.
   The fabric is the only colour on the page. Everything else steps back. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink:#0b0908;          /* page */
  --ink2:#121010;         /* raised */
  --ink3:#1b1817;         /* card */
  --bone:#efe7db;
  --bone2:#cdc3b5;
  --muted:#8e8377;
  --gold:#c9a24a;
  --gold2:#e9d3a0;
  --gold-dim:rgba(201,162,74,.25);
  --line:rgba(239,231,219,.10);
  --line2:rgba(201,162,74,.34);
  --disp:'Bodoni Moda',Georgia,serif;
  --sans:'Jost',system-ui,-apple-system,sans-serif;
  --maxw:1240px;
  --ease:cubic-bezier(.16,1,.3,1);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--ink);color:var(--bone);
  line-height:1.7;font-weight:300;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
::selection{background:rgba(201,162,74,.35);color:#fff}

h1,h2,h3,h4,.disp{font-family:var(--disp);font-weight:400;line-height:1.06;letter-spacing:-.01em}
em,.it{font-style:italic}

/* ─── warp: the vertical thread field that sits behind everything ─── */
.warp{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5;
  background:
    repeating-linear-gradient(90deg,transparent 0 78px,rgba(201,162,74,.055) 78px 79px),
    radial-gradient(70vw 60vh at 78% -10%,rgba(201,162,74,.10),transparent 62%),
    radial-gradient(60vw 55vh at -8% 70%,rgba(201,162,74,.05),transparent 60%)}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ─── shell ─── */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
section{padding:clamp(72px,9vw,124px) 0}
.eyebrow{display:inline-block;font-size:10.5px;letter-spacing:.38em;text-transform:uppercase;color:var(--gold);font-weight:400}
.lead{color:var(--bone2);font-size:16.5px;max-width:60ch;font-weight:300}
.muted{color:var(--muted)}
.center{text-align:center}
.rule{height:1px;background:linear-gradient(90deg,transparent,var(--line2),transparent);border:0}

.shead{margin-bottom:clamp(38px,5vw,58px)}
.shead h2{font-size:clamp(32px,4.6vw,56px);margin:14px 0 14px}
.shead h2 em{color:var(--gold2)}
.shead.center{max-width:660px;margin-left:auto;margin-right:auto}
.shead.center .lead{margin:0 auto}

/* ─── topbar ─── */
.topbar{background:#070605;border-bottom:1px solid var(--line);
  font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--bone2);
  text-align:center;padding:10px 16px;font-weight:400}
.topbar b{color:var(--gold);font-weight:500}

/* ─── nav ─── */
.nav{position:sticky;top:0;z-index:60;background:rgba(11,9,8,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);transition:background .35s}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 32px;height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img{width:44px;height:44px;object-fit:cover;border-radius:3px;mix-blend-mode:screen}
.brand .bw{display:flex;flex-direction:column;line-height:1}
.brand .bw b{font-family:var(--disp);font-size:19px;font-weight:500;letter-spacing:.2em;color:var(--bone)}
.brand .bw span{font-size:8.5px;letter-spacing:.36em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.menu{display:flex;align-items:center;gap:6px}
.menu a{position:relative;font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--bone2);padding:10px 14px;transition:color .25s}
.menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.menu a:hover{color:var(--bone)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu a.on{color:var(--gold2)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:2px;padding:9px 11px;cursor:pointer}
.burger span{display:block;width:18px;height:1px;background:var(--bone);margin:4px 0}
.mnav{position:fixed;inset:0;z-index:90;background:var(--ink);padding:26px 32px;
  transform:translateX(101%);transition:transform .45s var(--ease);display:flex;flex-direction:column}
.mnav.open{transform:none}
.mnav .x{align-self:flex-end;background:none;border:0;font-size:26px;color:var(--bone);cursor:pointer;line-height:1}
.mnav a{font-family:var(--disp);font-size:30px;padding:18px 0;border-bottom:1px solid var(--line)}

/* ─── buttons ─── */
.btn{position:relative;display:inline-flex;align-items:center;gap:12px;overflow:hidden;
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;font-weight:400;
  padding:16px 32px;border:1px solid var(--gold);color:var(--gold2);background:transparent;
  cursor:pointer;transition:color .35s var(--ease),border-color .35s}
.btn::before{content:"";position:absolute;inset:0;background:var(--gold);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease);z-index:-1}
.btn:hover{color:#100c05}
.btn:hover::before{transform:scaleX(1);transform-origin:left}
.btn.solid{background:var(--gold);color:#100c05;border-color:var(--gold)}
.btn.solid::before{background:var(--gold2)}
.btn.solid:hover{color:#100c05}
.btn.ghost{border-color:var(--line);color:var(--bone)}
.btn.ghost::before{background:var(--bone)}
.btn.ghost:hover{color:var(--ink);border-color:var(--bone)}
.btn.sm{padding:12px 22px;font-size:10px}

/* ─── hero ─── */
.hero{position:relative;overflow:hidden;padding:clamp(60px,8vw,96px) 0 clamp(60px,7vw,88px)}
.hero-in{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(34px,5vw,68px);align-items:center}
.hero h1{font-size:clamp(46px,6.6vw,88px);margin:20px 0 22px;letter-spacing:-.025em}
.hero h1 em{color:var(--gold2);font-style:italic}
.hero .lead{font-size:17.5px;margin-bottom:34px;max-width:44ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-fig{position:relative}
.hero-fig .plate{position:relative;aspect-ratio:.86;overflow:hidden;background:var(--ink3)}
.hero-fig .plate img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 1.6s var(--ease)}
.hero-fig:hover .plate img{transform:scale(1)}
.hero-fig .frame{position:absolute;inset:14px;border:1px solid rgba(233,211,160,.34);pointer-events:none;z-index:2}
.hero-fig .tag{position:absolute;left:-18px;bottom:34px;z-index:3;background:var(--ink);border:1px solid var(--line2);
  padding:16px 20px;max-width:230px}
.hero-fig .tag b{display:block;font-family:var(--disp);font-size:17px;color:var(--gold2);font-weight:500;letter-spacing:.02em}
.hero-fig .tag span{display:block;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.hero-marks{display:flex;gap:26px;flex-wrap:wrap;margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.hero-marks div{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.hero-marks div b{display:block;font-family:var(--disp);font-size:22px;color:var(--bone);letter-spacing:0;text-transform:none;margin-bottom:4px;font-weight:500}

/* ─── marquee of fabric names ─── */
.marq{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:20px 0;background:#080706}
.marq-track{display:flex;gap:52px;width:max-content;animation:slide 46s linear infinite}
.marq span{font-family:var(--disp);font-size:19px;letter-spacing:.16em;text-transform:uppercase;color:rgba(239,231,219,.34);white-space:nowrap}
.marq span::after{content:"·";margin-left:52px;color:var(--gold)}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marq-track{animation:none}}

/* ─── collection cards ─── */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.col{position:relative;display:block;overflow:hidden;background:var(--ink3);aspect-ratio:.82}
.col img{width:100%;height:100%;object-fit:cover;transition:transform 1.3s var(--ease),filter .8s}
.col::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,7,6,.06) 30%,rgba(8,7,6,.86) 100%);transition:opacity .6s}
.col .body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px}
.col .body h3{font-size:29px;margin-bottom:6px}
.col .body p{font-size:13px;color:var(--bone2);opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .5s var(--ease);max-width:30ch}
.col .go{display:inline-block;margin-top:14px;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold2)}
.col .n{position:absolute;top:22px;right:24px;z-index:2;font-family:var(--disp);font-size:12px;letter-spacing:.2em;color:rgba(239,231,219,.55)}
.col:hover img{transform:scale(1.07)}
.col:hover .body p{opacity:1;transform:none}
.col .hair{position:absolute;left:26px;right:26px;bottom:0;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);z-index:3}
.col:hover .hair{transform:scaleX(1)}

/* ─── split (the mill) ─── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split.rev .fig{order:2}
.split .fig{position:relative;aspect-ratio:1.02;overflow:hidden}
.split .fig img{width:100%;height:100%;object-fit:cover}
.split .fig .frame{position:absolute;inset:0;border:1px solid var(--line);pointer-events:none}
.split h2{font-size:clamp(30px,4.2vw,50px);margin-bottom:20px}
.split h2 em{color:var(--gold2)}
.split p+p{margin-top:16px}
.split .btn{margin-top:30px}

/* ─── numbered process ─── */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line)}
.step{background:var(--ink);padding:30px 24px;transition:background .5s}
.step:hover{background:var(--ink2)}
.step b{display:block;font-family:var(--disp);font-size:13px;letter-spacing:.24em;color:var(--gold);margin-bottom:16px}
.step h4{font-size:21px;margin-bottom:9px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ─── bolt rail (horizontal fabric strip) ─── */
.rail{display:flex;gap:16px;overflow-x:auto;padding:4px 0 22px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--gold-dim) transparent}
.rail::-webkit-scrollbar{height:2px}
.rail::-webkit-scrollbar-thumb{background:var(--gold-dim)}
.bolt{flex:0 0 clamp(230px,25vw,296px);scroll-snap-align:start;position:relative;background:var(--ink3)}
.bolt .ph{position:relative;aspect-ratio:.84;overflow:hidden}
.bolt .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.bolt:hover .ph img{transform:scale(1.09)}
.bolt .zoom{position:absolute;inset:0;border:1px solid transparent;transition:border-color .4s}
.bolt:hover .zoom{border-color:var(--line2)}
.bolt .meta{padding:16px 4px 0}
.bolt .meta h4{font-size:16.5px;font-family:var(--sans);font-weight:400;letter-spacing:.01em;line-height:1.4}
.bolt .meta .p{margin-top:7px;font-family:var(--disp);font-size:15px;color:var(--gold2)}
.bolt .meta .p small{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-left:6px;font-family:var(--sans)}
.railbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}
.railnav{display:flex;gap:8px}
.railnav button{width:44px;height:44px;border:1px solid var(--line);background:transparent;color:var(--bone);cursor:pointer;transition:.3s}
.railnav button:hover{border-color:var(--gold);color:var(--gold2)}

/* ─── swatch strip ─── */
.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.sw{position:relative;aspect-ratio:1;overflow:hidden;filter:grayscale(.15)}
.sw img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .6s}
.sw:hover{filter:none}
.sw:hover img{transform:scale(1.14)}

/* ─── enquiry / cta band ─── */
.band{position:relative;overflow:hidden;background:var(--ink2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .bgimg{position:absolute;inset:0;opacity:.16}
.band .bgimg img{width:100%;height:100%;object-fit:cover}
.band .inner{position:relative;z-index:2;text-align:center;max-width:660px;margin:0 auto}
.band h2{font-size:clamp(32px,4.6vw,54px);margin-bottom:18px}
.band h2 em{color:var(--gold2)}
.band .lead{margin:0 auto 30px}

/* ─── form ─── */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:9px}
.field.full{grid-column:1/-1}
.field label{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea,.field select{background:var(--ink2);border:1px solid var(--line);padding:15px 16px;font-size:15px;font-weight:300;transition:border-color .3s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold)}
.field textarea{min-height:150px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.note{font-size:12.5px;color:var(--muted);margin-top:6px}

/* ─── contact cards ─── */
.ccards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ccard{border:1px solid var(--line);padding:28px;background:var(--ink2);transition:border-color .4s,transform .5s var(--ease)}
.ccard:hover{border-color:var(--line2);transform:translateY(-3px)}
.ccard b{display:block;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.ccard p{font-size:15px;line-height:1.75}
.ccard a:hover{color:var(--gold2)}

/* ─── catalogue grid ─── */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.chip{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;padding:11px 20px;border:1px solid var(--line);
  background:transparent;cursor:pointer;color:var(--bone2);transition:.3s}
.chip:hover{border-color:var(--line2);color:var(--bone)}
.chip.on{background:var(--gold);border-color:var(--gold);color:#100c05}
.count{margin-left:auto;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.item{position:relative;cursor:pointer}
.item .ph{position:relative;aspect-ratio:.84;overflow:hidden;background:var(--ink3)}
.item .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.item:hover .ph img{transform:scale(1.08)}
.item .fam{position:absolute;top:14px;left:14px;z-index:2;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  background:rgba(11,9,8,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line);padding:6px 11px;color:var(--bone2)}
.item .meta{padding:15px 2px 0}
.item .meta h4{font-family:var(--sans);font-size:15.5px;font-weight:400;line-height:1.45}
.item .meta .p{margin-top:6px;font-family:var(--disp);font-size:15px;color:var(--gold2)}
.item .meta .p small{font-family:var(--sans);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-left:6px}
.item .look{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .4s}
.item:hover .look{opacity:1}
.item .look span{font-size:10px;letter-spacing:.26em;text-transform:uppercase;background:rgba(11,9,8,.78);border:1px solid var(--line2);color:var(--gold2);padding:12px 20px}

/* lightbox */
.lb{position:fixed;inset:0;z-index:120;background:rgba(6,5,4,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  display:none;align-items:center;justify-content:center;padding:32px}
.lb.open{display:flex}
.lb figure{max-width:1000px;width:100%;display:grid;grid-template-columns:1.15fr .85fr;gap:0;background:var(--ink2);border:1px solid var(--line)}
.lb img{width:100%;height:100%;max-height:74vh;object-fit:cover}
.lb figcaption{padding:38px 34px;display:flex;flex-direction:column;justify-content:center}
.lb figcaption h3{font-size:30px;margin:12px 0 12px}
.lb figcaption .p{font-family:var(--disp);font-size:24px;color:var(--gold2);margin-bottom:20px}
.lb figcaption .p small{font-family:var(--sans);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-left:8px}
.lb .specs{border-top:1px solid var(--line);margin-top:8px;padding-top:18px;display:grid;gap:9px}
.lb .specs div{display:flex;justify-content:space-between;gap:16px;font-size:13px;color:var(--bone2)}
.lb .specs div span:first-child{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:10.5px}
.lb .x{position:absolute;top:24px;right:28px;background:none;border:0;font-size:30px;color:var(--bone);cursor:pointer;line-height:1}
.lb .cta{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap}

/* ─── footer ─── */
footer{background:#070605;border-top:1px solid var(--line);padding:clamp(56px,7vw,84px) 0 34px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.fgrid h5{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);margin-bottom:18px;font-weight:400;font-family:var(--sans)}
.fgrid a,.fgrid p{display:block;font-size:14px;color:var(--bone2);margin-bottom:10px;font-weight:300}
.fgrid a:hover{color:var(--gold2)}
.fbrand .disp{font-family:var(--disp);font-size:24px;letter-spacing:.2em;margin-bottom:14px;display:block}
.fbot{margin-top:52px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12px;color:var(--muted)}
.credit{color:var(--muted)}
.credit a{color:var(--gold);border-bottom:1px solid var(--gold-dim);padding-bottom:1px}
.credit a:hover{color:var(--gold2)}

/* ─── reveal ─── */
.rv{opacity:0;transform:translateY(24px);transition:opacity .95s var(--ease),transform .95s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.09s}.d2{transition-delay:.18s}.d3{transition-delay:.27s}.d4{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ─── responsive ─── */
@media (max-width:1040px){
  .grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .menu{display:none}
  .burger{display:block}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .hero-fig .tag{left:16px}
  .cols{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split.rev .fig{order:0}
  .steps{grid-template-columns:1fr 1fr}
  .swatches{grid-template-columns:repeat(3,1fr)}
  .ccards{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .lb figure{grid-template-columns:1fr;max-height:88vh;overflow-y:auto}
  .lb img{max-height:42vh}
}
@media (max-width:560px){
  .wrap,.nav-in{padding-left:20px;padding-right:20px}
  .grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .hero-marks{gap:20px}
}