/* Riotous Audio — Audiophile Gallery / Italian Atelier design system */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Archivo:wght@300;400;500;600;700&display=swap');

:root{
  --void:#0a0a0c; --void-2:#101014; --void-3:#16161c;
  --ink:#e9e6df; --ink-soft:#b6b1a6; --ink-faint:#6f6a60;
  --gold:#c9a86a; --gold-bright:#e3c489; --gold-deep:#9c804a;
  --blue:#3f74a8; --blue-bright:#5b93c9;
  --line:rgba(201,168,106,.18); --line-soft:rgba(233,230,223,.08);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Archivo',-apple-system,system-ui,sans-serif;
  --maxw:1280px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--void);color:var(--ink);font-family:var(--sans);font-weight:300;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:radial-gradient(ellipse 120% 80% at 50% -10%,rgba(63,116,168,.06),transparent 60%),
    radial-gradient(ellipse 90% 60% at 80% 110%,rgba(201,168,106,.05),transparent 55%);
  background-attachment:fixed;}
a{color:inherit;text-decoration:none;transition:color .3s}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,64px)}

/* grain overlay */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.025;
  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='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* typography */
.serif{font-family:var(--serif)}
.eyebrow{font-family:var(--sans);font-weight:500;font-size:.72rem;letter-spacing:.34em;
  text-transform:uppercase;color:var(--gold);}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.04;letter-spacing:-.01em}
h1{font-size:clamp(2.8rem,7vw,6rem)}
h2{font-size:clamp(2rem,4.5vw,3.6rem)}
h3{font-size:clamp(1.4rem,2.5vw,2rem)}
.lead{font-family:var(--serif);font-size:clamp(1.15rem,2vw,1.5rem);color:var(--ink-soft);font-weight:300}
.muted{color:var(--ink-faint)}

/* nav */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(14px);background:rgba(10,10,12,.6);border-bottom:1px solid var(--line-soft);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-family:var(--serif);font-size:1.5rem;letter-spacing:.02em;color:var(--ink);display:flex;align-items:center;gap:.6rem}
.brand b{font-weight:600;color:var(--gold)}
.brand .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
nav.links{display:flex;gap:2.2rem;align-items:center}
nav.links a{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);font-weight:400}
nav.links a:hover{color:var(--gold)}
.nav-cta{border:1px solid var(--line);padding:.55rem 1.1rem;border-radius:2px;color:var(--gold)!important}
.nav-cta:hover{background:var(--gold);color:var(--void)!important}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0}
.burger span{width:24px;height:1.5px;background:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--sans);font-size:.78rem;
  letter-spacing:.18em;text-transform:uppercase;padding:.95rem 1.8rem;border-radius:2px;
  border:1px solid var(--gold);color:var(--gold);transition:all .35s;cursor:pointer;background:none}
.btn:hover{background:var(--gold);color:var(--void)}
.btn-fill{background:var(--gold);color:var(--void)}
.btn-fill:hover{background:var(--gold-bright);border-color:var(--gold-bright)}
.btn-ghost{border-color:var(--line)}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:74px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center;width:100%}
.hero h1{margin:.5rem 0 1.4rem}
.hero .accent{color:var(--gold);font-style:italic}
.hero-art{position:relative;display:flex;justify-content:center;align-items:center}
.hero-art img{filter:drop-shadow(0 40px 80px rgba(0,0,0,.7)) drop-shadow(0 0 60px rgba(63,116,168,.15));
  animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.hero-halo{position:absolute;width:70%;height:70%;border-radius:50%;
  background:radial-gradient(circle,rgba(201,168,106,.14),transparent 65%);filter:blur(30px);z-index:-1}

/* section */
section{position:relative;z-index:2;padding:clamp(64px,10vw,140px) 0}
.sec-head{max-width:680px;margin-bottom:clamp(40px,6vw,72px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{margin:.6rem 0 1rem}

/* brand houses */
.houses{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.house{position:relative;border:1px solid var(--line-soft);border-radius:4px;padding:2.4rem 2rem;
  background:linear-gradient(160deg,var(--void-2),var(--void));overflow:hidden;transition:all .45s;min-height:340px;
  display:flex;flex-direction:column;justify-content:flex-end}
.house:hover{border-color:var(--line);transform:translateY(-6px)}
.house::before{content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(circle at 70% 20%,rgba(63,116,168,.12),transparent 55%)}
.house .est{position:absolute;top:1.6rem;right:1.8rem;font-size:.68rem;letter-spacing:.2em;color:var(--ink-faint)}
.house h3{position:relative;font-size:2.2rem;color:var(--ink)}
.house .kn{position:relative;color:var(--gold);font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;margin-bottom:.5rem}
.house p{position:relative;color:var(--ink-soft);font-size:.92rem;margin:.8rem 0 1.4rem}
.house .go{position:relative;color:var(--gold);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.4rem}
.card{position:relative;border:1px solid var(--line-soft);border-radius:4px;overflow:hidden;
  background:linear-gradient(170deg,var(--void-3),var(--void));transition:all .4s;display:flex;flex-direction:column}
.card:hover{border-color:var(--line);transform:translateY(-5px);box-shadow:0 30px 60px rgba(0,0,0,.5)}
.card-img{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:1.6rem;position:relative;
  background:radial-gradient(circle at 50% 40%,rgba(201,168,106,.06),transparent 70%)}
.card-img img{max-height:100%;width:auto;object-fit:contain;filter:drop-shadow(0 16px 30px rgba(0,0,0,.6))}
.card-noimg{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:.4rem;
  background:linear-gradient(135deg,var(--void-2),var(--void));color:var(--ink-faint)}
.card-noimg .m{font-family:var(--serif);font-size:1.6rem;color:var(--gold-deep)}
.card-body{padding:1.2rem 1.4rem 1.5rem;border-top:1px solid var(--line-soft)}
.card .ser{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint)}
.card .nm{font-family:var(--serif);font-size:1.35rem;margin:.3rem 0 .1rem;color:var(--ink)}
.card .ds{font-size:.82rem;color:var(--ink-soft);min-height:2.4em;line-height:1.4}
.card .pr{margin-top:.9rem;display:flex;align-items:baseline;gap:.5rem}
.card .pr .now{font-family:var(--serif);font-size:1.3rem;color:var(--gold)}
.card .pr .msrp{font-size:.78rem;color:var(--ink-faint)}

/* feature band */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.feature.rev{direction:rtl}.feature.rev>*{direction:ltr}
.feature-art{display:flex;justify-content:center;position:relative}
.feature-art img{filter:drop-shadow(0 30px 60px rgba(0,0,0,.6))}
.feature ul{list-style:none;margin-top:1.4rem}
.feature li{padding:.6rem 0 .6rem 1.6rem;position:relative;color:var(--ink-soft);border-bottom:1px solid var(--line-soft)}
.feature li::before{content:"—";position:absolute;left:0;color:var(--gold)}

/* product detail */
.pd{padding-top:120px;display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:start}
.pd-gallery{position:sticky;top:100px}
.pd-main{border:1px solid var(--line-soft);border-radius:6px;aspect-ratio:1;display:flex;align-items:center;
  justify-content:center;padding:3rem;background:radial-gradient(circle at 50% 40%,rgba(201,168,106,.07),transparent 70%)}
.pd-main img{max-height:100%;object-fit:contain;filter:drop-shadow(0 30px 60px rgba(0,0,0,.6))}
.pd-thumbs{display:flex;gap:.7rem;margin-top:.9rem;flex-wrap:wrap}
.pd-thumbs img{width:72px;height:72px;object-fit:contain;border:1px solid var(--line-soft);border-radius:3px;padding:.4rem;cursor:pointer;background:var(--void-2)}
.pd-info .crumb{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:1.2rem}
.pd-info .crumb a:hover{color:var(--gold)}
.pd-info h1{font-size:clamp(2.2rem,4vw,3.2rem);margin:.3rem 0}
.pd-price{display:flex;align-items:baseline;gap:1rem;margin:1.5rem 0;padding:1.2rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pd-price .now{font-family:var(--serif);font-size:2.4rem;color:var(--gold)}
.pd-price .msrp{color:var(--ink-faint);text-decoration:line-through;font-size:1rem}
.pd-spec{margin:1.8rem 0}
.pd-spec h4{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:.8rem}
.pd-spec table{width:100%;border-collapse:collapse}
.pd-spec td{padding:.6rem 0;border-bottom:1px solid var(--line-soft);font-size:.9rem}
.pd-spec td:first-child{color:var(--ink-faint);width:42%}
.pd-actions{display:flex;gap:1rem;margin-top:1.8rem;flex-wrap:wrap}

/* page header (brand/series) */
.phead{padding-top:140px;padding-bottom:20px;position:relative}
.phead .eyebrow{margin-bottom:1rem}
.phead p{max-width:620px;margin-top:1.2rem}
.phead-art{position:absolute;right:0;top:90px;width:42%;max-width:520px;opacity:.9;pointer-events:none}
.phead-art img{filter:drop-shadow(0 30px 70px rgba(0,0,0,.6))}

/* series chips */
.chips{display:flex;gap:.7rem;flex-wrap:wrap;margin:2rem 0 1rem}
.chip{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;padding:.5rem 1.1rem;border:1px solid var(--line-soft);
  border-radius:40px;color:var(--ink-soft);transition:all .3s}
.chip:hover,.chip.on{border-color:var(--gold);color:var(--gold)}

/* footer */
footer{border-top:1px solid var(--line-soft);padding:clamp(48px,7vw,90px) 0 40px;position:relative;z-index:2;margin-top:60px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.foot-grid h5{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:1.2rem}
.foot-grid a{display:block;color:var(--ink-soft);font-size:.88rem;padding:.3rem 0}
.foot-grid a:hover{color:var(--gold)}
.foot-brand .serif{font-size:1.8rem;color:var(--ink)}
.foot-brand p{color:var(--ink-faint);font-size:.85rem;margin-top:.8rem;max-width:260px}
.foot-bottom{margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--line-soft);display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--ink-faint);font-size:.78rem}
.foot-bottom .dis{max-width:680px;line-height:1.5}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s,transform .8s}
.rv.in{opacity:1;transform:none}

@media(max-width:920px){
  .hero-grid,.feature,.pd{grid-template-columns:1fr;gap:2rem}
  .feature.rev{direction:ltr}
  .houses{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.links{display:none}.burger{display:flex}
  .phead-art{display:none}
  .pd-gallery{position:static}
  nav.links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;
    background:var(--void-2);padding:1.5rem;gap:1.2rem;border-bottom:1px solid var(--line)}
}