*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#050505;
  --panel:#0b0b0b;
  --panel2:#11100e;
  --ink:#f4f1eb;
  --muted:#99938b;
  --gold:#c4935b;
  --gold2:#8f6439;
  --line:rgba(196,147,91,.28);
  --white:#f7f7f5;
}
html{scroll-behavior:smooth}
body{
  background:#050505;
  color:var(--ink);
  font-family:Inter,Arial,sans-serif;
  overflow-x:hidden;
  position:relative;
}
body:before{
  content:"";
  position:fixed;inset:0;z-index:-3;pointer-events:none;
  background:
    linear-gradient(rgba(0,0,0,.78),rgba(0,0,0,.90)),
    url("assets/fondo_escenario_seda_negra.png") center top/cover fixed no-repeat;
  filter:contrast(1.05) saturate(.72);
  opacity:.42;
}
body:after{
  content:"";
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 50% 20%,rgba(145,91,40,.13),transparent 34%),
    linear-gradient(180deg,rgba(0,0,0,.15),rgba(0,0,0,.82) 80%);
}
button,a{font:inherit}
button{color:inherit}
a{text-decoration:none}
.grain{
  position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E")
}
section{position:relative}
h1,h2,h3{font-family:"Bebas Neue",sans-serif;line-height:.92;letter-spacing:1px}
h1 span,h2 em{color:var(--gold);font-style:normal}

/* Header */
.site-header{position:absolute;top:0;left:0;right:0;z-index:20}
.nav{
  width:100%;
  padding:18px 5vw;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  background:linear-gradient(180deg,rgba(0,0,0,.88),rgba(0,0,0,.34),transparent);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.brand{
  display:flex!important;align-items:center;
  width:185px;height:55px;
  font-size:0!important;line-height:0;
  background:url("assets/logo_seda_negra.png") left center/contain no-repeat;
  flex:0 0 auto;
}
.brand b{display:none}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  color:#d0ccc6;
  font-size:.68rem;
  text-transform:uppercase;
  letter-spacing:2px;
  padding:10px 0;
  border-bottom:1px solid transparent;
  transition:.25s;
}
.nav-links a:hover,.nav-links a.active{
  color:var(--gold);
  border-bottom-color:var(--gold);
}
.menu{
  display:none;background:none;border:1px solid rgba(196,147,91,.5);
  color:#eee;padding:7px 10px;cursor:pointer;
}

/* Homepage hero */
.page-intro.seda-stage-bg{
  min-height:88vh;
  display:flex;flex-direction:column;justify-content:center;
  padding:145px 8vw 95px;
  overflow:hidden;
  background:
    linear-gradient(90deg,rgba(0,0,0,.82),rgba(0,0,0,.34) 55%,rgba(0,0,0,.72)),
    linear-gradient(0deg,rgba(0,0,0,.88),transparent 42%),
    url("assets/fondo_escenario_seda_negra.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-intro.seda-stage-bg:before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 72% 34%,rgba(196,147,91,.16),transparent 28%);
}
.page-intro.seda-stage-bg .kicker,
.page-intro.seda-stage-bg h2,
.page-intro.seda-stage-bg>p,
.page-intro.seda-stage-bg .page-grid{position:relative;z-index:2}
.page-intro.seda-stage-bg .kicker{margin-bottom:18px}
.page-intro.seda-stage-bg h2{margin:0 0 18px}
.page-intro.seda-stage-bg>p:not(.kicker){
  max-width:720px;color:#c5c0b8;line-height:1.75;font-size:1rem;
}
.site-name{
  display:inline-block;
  width:min(78vw,900px);
  aspect-ratio:2048/682;
  font-size:0!important;
  background:url("assets/logo_seda_negra.png") center/contain no-repeat;
  color:transparent!important;
  vertical-align:middle;
}
.site-name em{display:none}
.page-grid{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:1px;margin-top:48px;
  max-width:1100px;
  background:rgba(196,147,91,.28);
}
.page-card{
  min-height:155px;padding:24px 20px;
  display:flex;flex-direction:column;justify-content:space-between;
  color:inherit;background:rgba(7,7,7,.78);
  border:1px solid rgba(255,255,255,.03);
  transition:.3s;
}
.page-card:hover{background:rgba(30,22,15,.9);transform:translateY(-3px)}
.page-card span{color:var(--gold);font-size:.62rem;letter-spacing:2px}
.page-card h3{font-family:Oswald,sans-serif;font-size:1.25rem;line-height:1.15;color:#eee}

/* General page intros */
.page-intro{
  padding:155px 8vw 80px;
  min-height:42vh;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:
    linear-gradient(0deg,rgba(5,5,5,.97),rgba(5,5,5,.70)),
    url("assets/fondo_escenario_seda_negra.png") center 28%/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-intro .kicker{margin-bottom:14px}
.page-intro h2{font-size:clamp(4rem,8vw,8rem);max-width:1100px}
.page-intro p{max-width:800px;color:#aaa;line-height:1.7;margin-top:18px}

/* Content sections */
.history-section,.archive,.merch,.videos,.notes,.songs,.members,.contact{
  padding:105px 7vw;
  border-bottom:1px solid rgba(196,147,91,.16);
  background:rgba(6,6,6,.90);
}
.dark{background:rgba(7,7,7,.88)}
.section-head{
  display:flex;align-items:end;justify-content:space-between;gap:50px;
  margin-bottom:48px;
}
.section-head h2{font-size:clamp(3.5rem,6vw,6.5rem)}
.section-head>p{max-width:450px;color:#8d8881;font-size:.88rem;line-height:1.8}
.kicker{
  font-size:.62rem;letter-spacing:4px;font-weight:800;
  color:var(--gold);margin-bottom:14px;
}

/* History / gallery */
.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stage1{grid-template-columns:repeat(3,1fr)}
.stage3{grid-template-columns:repeat(4,1fr)}
.memory-card{
  border:1px solid rgba(255,255,255,.07);
  padding:0;background:#0d0d0d;cursor:pointer;
  position:relative;overflow:hidden;min-height:235px;
  box-shadow:0 18px 45px rgba(0,0,0,.24);
}
.memory-card img{
  width:100%;height:100%;min-height:235px;object-fit:cover;display:block;
  filter:saturate(.72) contrast(1.06);
  transition:.55s;
}
.memory-card:hover img{transform:scale(1.045);filter:saturate(.95) contrast(1.1)}
.memory-card span{
  position:absolute;bottom:0;left:0;right:0;
  padding:35px 14px 13px;
  background:linear-gradient(transparent,rgba(0,0,0,.96));
  font-size:.58rem;letter-spacing:2px;text-align:left;color:#d0cbc4;
}

/* Timeline */
.manifesto{
  display:grid;grid-template-columns:80px 1fr 1fr;gap:50px;
  padding:115px 9vw;background:rgba(8,8,8,.90);
  border-bottom:1px solid var(--line)
}
.section-number{color:#514d48;font-family:"Bebas Neue";font-size:3rem}
.manifesto h2{font-size:clamp(4rem,7vw,7.5rem)}
.manifesto-text{max-width:650px;padding-top:35px;color:#8d8881}
.manifesto-text p{margin-bottom:22px}
.manifesto-text .lead{font-size:1.2rem;color:#ddd;line-height:1.5}
.timeline{
  padding:115px 9vw;background:rgba(14,13,12,.91);overflow:hidden
}
.timeline-line{position:absolute;left:12.5vw;top:80px;bottom:80px;width:1px;background:#3a3026}
.era{display:grid;grid-template-columns:130px 1fr;max-width:850px;margin:0 auto 95px;position:relative}
.era:last-child{margin-bottom:0}
.era-number{font-family:"Bebas Neue";font-size:5rem;color:#3d3935}
.era h3{font-size:4rem;margin-bottom:20px}
.era p:last-child{max-width:650px;color:#888;line-height:1.75}
.era:before{
  content:"";position:absolute;left:-29px;top:22px;width:10px;height:10px;
  border:1px solid var(--gold);background:#0d0d0d;border-radius:50%;
}

/* Archive */
.archive-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.archive-card{
  border:1px solid rgba(196,147,91,.16);background:#0c0c0c;
  padding:0;cursor:pointer;text-align:left;overflow:hidden
}
.archive-card img{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;transition:.5s}
.archive-card:hover img{transform:scale(1.03)}
.archive-card div{padding:16px}
.archive-card small{display:block;color:var(--gold);font-size:.55rem;letter-spacing:2px;margin-bottom:6px}
.archive-card strong{font-family:Oswald,sans-serif;font-size:.85rem;font-weight:500;color:#ddd}

/* Videos */
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.video-card{background:#0b0b0b;border:1px solid rgba(196,147,91,.16);overflow:hidden}
.video-frame{aspect-ratio:16/9;background:#000}
.video-frame iframe{width:100%;height:100%;border:0}
.video-label{padding:14px 16px;color:var(--gold);font-size:.58rem;letter-spacing:3px}

/* Merch */
.merch{background:rgba(8,8,8,.92)}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product{
  background:#0c0c0c;border:1px solid rgba(196,147,91,.18);
  box-shadow:0 18px 45px rgba(0,0,0,.28);
}
.product-image{
  border:0;background:#f0efec;width:100%;cursor:pointer;display:block
}
.product-image img{
  width:100%;display:block;aspect-ratio:1.05/1;object-fit:contain;
  transition:.45s;
}
.product:hover .product-image img{transform:scale(1.025)}
.product-info{padding:22px}
.product-info span{font-size:.55rem;letter-spacing:2px;color:var(--gold)}
.product-info h3{font-size:2.3rem;margin:8px 0}
.product-info p{font-size:.8rem;color:#777;margin-bottom:18px;line-height:1.6}
.small-btn{
  display:inline-block;font-size:.62rem;letter-spacing:2px;
  color:#eee;border-bottom:1px solid var(--gold);padding-bottom:5px
}

/* Editorial cards */
.notes,.songs,.members{background:rgba(9,9,9,.91)}
.notes-grid,.members-grid,.songs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.note-card,.member-card,.song-card{
  border:1px solid rgba(196,147,91,.14);padding:32px;
  background:rgba(14,14,14,.92);min-height:230px
}
.note-card>span,.member-card>span,.song-card>span{
  display:block;color:var(--gold);font-size:.58rem;letter-spacing:3px;margin-bottom:22px
}
.note-card h3,.member-card h3,.song-card h3{font-size:2.8rem;margin-bottom:18px}
.note-card p,.member-card p,.song-card p{color:#888;line-height:1.8;font-size:.85rem}

/* Contact */
.contact{
  display:grid;grid-template-columns:1.35fr .65fr;gap:80px;
  min-height:55vh;align-items:center;
}
.contact h2{font-size:clamp(4rem,7vw,7rem)}
.contact-text{color:#8a857e;margin-top:30px}
.contact-box{
  border-left:1px solid var(--gold2);padding-left:30px;
  color:#888;font-size:.8rem;line-height:1.8
}

/* Buttons */
.hero-btn{
  display:inline-flex;align-items:center;gap:20px;
  border:1px solid var(--gold);padding:13px 21px;
  color:#eee;font-size:.66rem;letter-spacing:2px;font-weight:800;
  transition:.25s
}
.hero-btn:hover{background:var(--gold);color:#080808}
.edit-note{padding:90px 10vw;border-top:1px solid #222}
.edit-note h2{font-size:clamp(4rem,7vw,7rem);margin-bottom:25px}
.edit-note>div>p:last-child{max-width:650px;color:#777;line-height:1.8}

/* Closing / footer */
.closing{
  padding:150px 8vw;text-align:center;
  background:radial-gradient(circle at center,rgba(58,38,22,.88),rgba(5,5,5,.96) 62%)
}
.closing-word{font-family:"Bebas Neue";font-size:clamp(7rem,18vw,18rem);line-height:.7;letter-spacing:-2px}
.closing-word span{color:var(--gold)}
.closing p{font-family:Oswald,sans-serif;letter-spacing:6px;color:#888;margin:50px 0 30px}
footer{
  padding:32px 5vw;background:rgba(3,3,3,.96);
  display:flex;justify-content:space-between;align-items:center;
  color:#625e59;font-size:.58rem;letter-spacing:2px;
  border-top:1px solid rgba(196,147,91,.18)
}
footer .brand{width:170px;height:48px}

/* Lightbox / effects */
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,.95);z-index:100;
  display:none;align-items:center;justify-content:center;padding:5vh 5vw
}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:90vh;object-fit:contain;box-shadow:0 20px 80px #000}
.lightbox-close{
  position:absolute;right:30px;top:20px;background:none;border:0;
  color:#fff;font-size:3rem;cursor:pointer;font-weight:200
}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* Existing hero photo support */
.hero-stage-photo{
  width:100%;max-height:78vh;overflow:hidden;background:#000;
  display:flex;justify-content:center;align-items:center
}
.hero-stage-photo img{
  width:100%;height:auto;max-height:78vh;object-fit:cover;
  object-position:center;display:block;filter:contrast(1.04) saturate(.82)
}

/* Formation final / current stage */
.final-formation-section{position:relative}
.final-formation-section .section-head{position:relative;z-index:2}
.stage3 .memory-card img,.final-formation-grid .memory-card img{
  aspect-ratio:auto;object-fit:cover
}
.stage3 .memory-card:nth-child(n+8) img{object-position:center top}

/* Responsive */
@media(max-width:1050px){
  .nav-links{gap:18px}
  .page-grid{grid-template-columns:repeat(3,1fr)}
  .memory-grid,.stage3,.archive-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  .nav{padding:16px 5vw}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;position:absolute;top:72px;left:0;right:0;
    background:rgba(5,5,5,.98);padding:22px 5vw;
    flex-direction:column;align-items:flex-start;gap:5px;
    border-bottom:1px solid var(--line)
  }
  .menu{display:block}
  .page-intro{padding:130px 7vw 65px}
  .page-intro.seda-stage-bg{padding:130px 7vw 70px}
  .site-name{width:min(88vw,760px)}
  .page-grid{grid-template-columns:1fr 1fr}
  .manifesto{grid-template-columns:1fr;padding:85px 7vw}
  .section-number{display:none}
  .manifesto-text{padding-top:0}
  .timeline{padding:90px 7vw}
  .timeline-line{left:8vw}
  .era{grid-template-columns:90px 1fr}
  .memory-grid,.stage3,.archive-grid{grid-template-columns:repeat(2,1fr)}
  .stage1{grid-template-columns:1fr 1fr}
  .video-grid,.products,.contact{grid-template-columns:1fr}
  .section-head{align-items:flex-start;flex-direction:column}
  .history-section,.archive,.merch,.videos,.notes,.songs,.members{padding:85px 6vw}
}
@media(max-width:600px){
  .brand{width:150px;height:45px}
  .page-grid{grid-template-columns:1fr}
  .page-card{min-height:120px}
  .page-intro.seda-stage-bg{min-height:100vh}
  .site-name{width:92vw}
  .page-intro h2{font-size:17vw}
  .section-head h2{font-size:15vw}
  .era{grid-template-columns:60px 1fr}
  .era-number{font-size:3rem}
  .era h3{font-size:3rem}
  .memory-grid,.stage1,.stage3,.archive-grid,.notes-grid,.members-grid,.songs-grid{grid-template-columns:1fr}
  .memory-card,.memory-card img{min-height:0}
  footer{flex-direction:column;gap:15px;text-align:center}
  .closing{padding:105px 6vw}
}