/* =========================================================
   rkia-couture — HOMEPAGE (master design system)
   Faithful to index.html DNA, extended with marquee · campaign ·
   film · archives. Independent desktop / tablet / mobile layouts.
   ========================================================= */

/* ---- shared media wrapper ---- */
.rk-media{position:relative;overflow:hidden;width:100%}
.rk-media img,.rk-media video,.rk-media .rk-ph{display:block;width:100%;height:100%}
.rk-media--placeholder .rk-ph{width:100%;height:100%;object-fit:cover}

/* =========================================================
   1 · HERO
   ========================================================= */
.rk-hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
.rk-hero__media{position:absolute;inset:0;z-index:0;opacity:0;animation:rkHeroFade 1.8s var(--ease) .15s forwards}
.rk-hero__media .rk-media{height:100%;aspect-ratio:auto!important;background:var(--noir)}
.rk-hero__media img,.rk-hero__media video{width:100%;height:100%;object-fit:cover;object-position:center;animation:rkHeroZoom 18s var(--ease) forwards}
@keyframes rkHeroZoom{from{transform:scale(1.06)}to{transform:scale(1)}}
@keyframes rkHeroFade{from{opacity:0}to{opacity:1}}
/* Elegant dark overlay ~30% — readability without hiding couture detail. */
.rk-hero__overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(26,24,20,.34) 0%,rgba(26,24,20,.16) 45%,rgba(26,24,20,.44) 100%)}
.rk-hero__content{position:relative;z-index:2;max-width:920px;padding:0 24px}
.rk-hero__eyebrow{display:block;margin-bottom:28px;opacity:0;animation:rkFadeUp 1.2s var(--ease) .4s forwards}
.rk-hero__title{font-size:var(--fs-hero);color:#fff;font-weight:var(--fw-light);letter-spacing:.06em;line-height:.96;opacity:0;animation:rkFadeUp 1.4s var(--ease) .65s forwards}
.rk-hero__sub{font-family:var(--font-display);font-style:italic;font-size:clamp(18px,2.4vw,30px);letter-spacing:.12em;margin-top:16px;color:rgba(255,255,255,.92);opacity:0;animation:rkFadeUp 1.4s var(--ease) .95s forwards}
.rk-hero__text{max-width:560px;margin:24px auto 0;font-size:15px;color:rgba(255,255,255,.82);line-height:1.7;opacity:0;animation:rkFadeUp 1.4s var(--ease) 1.2s forwards}
.rk-hero__cta{margin-top:44px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;opacity:0;animation:rkFadeUp 1.4s var(--ease) 1.45s forwards}
@keyframes rkFadeUp{from{opacity:0;transform:translateY(32px)}to{opacity:1;transform:none}}
.rk-hero__scroll{position:absolute;inset-block-end:32px;inset-inline-start:50%;transform:translateX(-50%);z-index:2;font-family:var(--font-sans);font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:rgba(255,255,255,.75);display:flex;flex-direction:column;align-items:center;gap:12px;opacity:0;animation:rkFadeUp 1.4s var(--ease) 1.9s forwards}
.rk-hero__scroll::after{content:"";width:1px;height:46px;background:rgba(255,255,255,.5);animation:rkScrollLine 2.2s ease-in-out infinite;transform-origin:top}
@keyframes rkScrollLine{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* =========================================================
   2 · MARQUEE
   ========================================================= */
.rk-marquee{background:var(--noir);color:var(--creme);overflow:hidden;padding:20px 0;border-block:1px solid rgba(200,169,110,.18)}
.rk-marquee__track{display:flex;width:max-content;animation:rkMarquee 38s linear infinite}
.rk-marquee__group{display:flex;align-items:center}
.rk-marquee__item{font-family:var(--font-display);font-style:italic;font-size:clamp(18px,2vw,26px);color:var(--or-pale);padding:0 6px;white-space:nowrap}
.rk-marquee__dot{color:var(--or);padding:0 18px}
@keyframes rkMarquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.rk-marquee:hover .rk-marquee__track{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.rk-marquee__track{animation:none;flex-wrap:wrap;justify-content:center}}

/* =========================================================
   3 · DESIGNER
   ========================================================= */
.rk-designer__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:center;max-width:var(--maxw);margin-inline:auto}
.rk-designer__img{position:relative;overflow:hidden}
.rk-designer__img .rk-media img{transition:transform 1.4s var(--ease)}
.rk-designer__img:hover .rk-media img{transform:scale(1.05)}
.rk-designer__img::before{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.4);z-index:2;pointer-events:none}
.rk-designer__copy h2{font-size:clamp(32px,4.4vw,60px);margin:18px 0 24px;line-height:1.05}
.rk-designer__body p{color:var(--muted);font-size:15px;margin-bottom:18px;max-width:520px;line-height:1.85}
.rk-designer__sig{font-family:var(--font-display);font-style:italic;font-size:30px;color:var(--or-deep);margin:6px 0 22px}

/* =========================================================
   4 · COLLECTIONS
   ========================================================= */
.rk-collections__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2.4vw,40px);max-width:var(--maxw);margin-inline:auto}
.rk-collection-card{position:relative;display:block;overflow:hidden;background:#000}
.rk-collection-card__media{aspect-ratio:3/4}
.rk-collection-card__media img,.rk-collection-card__media .rk-ph{transition:transform 1.6s var(--ease),opacity 1.2s var(--ease)}
.rk-collection-card:hover .rk-collection-card__media img{transform:scale(1.07);opacity:.8}
.rk-collection-card__body{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(24px,3vw,46px);color:#fff;background:linear-gradient(180deg,transparent 45%,rgba(26,24,20,.74) 100%);z-index:2}
.rk-collection-card__num{font-family:var(--font-sans);font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--or-pale);margin-bottom:10px}
.rk-collection-card__title{font-family:var(--font-display);font-size:clamp(26px,3vw,42px);font-weight:var(--fw-light);letter-spacing:.03em}
.rk-collection-card__blurb{font-size:14px;color:rgba(255,255,255,.82);max-width:340px;margin-top:10px;max-height:0;opacity:0;overflow:hidden;transition:max-height .7s var(--ease),opacity .7s var(--ease),margin .7s var(--ease)}
.rk-collection-card:hover .rk-collection-card__blurb{max-height:140px;opacity:1}
.rk-collection-card__link{font-family:var(--font-sans);margin-top:18px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--or-pale);opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease) .1s,transform .6s var(--ease) .1s}
.rk-collection-card:hover .rk-collection-card__link{opacity:1;transform:none}

/* =========================================================
   5 · CAMPAIGN
   ========================================================= */
.rk-campaign{position:relative;min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
.rk-campaign__media{position:absolute;inset:0;z-index:0}
.rk-campaign__media .rk-media{height:100%;aspect-ratio:auto!important}
.rk-campaign__media img,.rk-campaign__media video{height:100%;object-fit:cover}
.rk-campaign__overlay{position:absolute;inset:0;z-index:1;background:rgba(26,24,20,.55)}
.rk-campaign__content{position:relative;z-index:2;max-width:760px;padding:0 24px}
.rk-campaign__content h2{font-size:clamp(36px,6vw,86px);color:#fff;font-weight:var(--fw-light);letter-spacing:.03em;line-height:1.02;margin:18px 0}
.rk-campaign__content p{margin:0 auto 36px;max-width:520px;color:rgba(255,255,255,.85);font-size:15px;line-height:1.8}

/* =========================================================
   6 · FILM
   ========================================================= */
.rk-film__head{text-align:center;max-width:var(--maxw-text);margin-inline:auto;margin-bottom:clamp(36px,5vh,60px)}
.rk-film__head h2{margin:14px 0}
.rk-film__head p{color:rgba(246,242,236,.7);margin-inline:auto}
.rk-film__frame{position:relative;max-width:1100px;margin-inline:auto;cursor:pointer;overflow:hidden}
.rk-film__frame .rk-media{aspect-ratio:16/9}
.rk-film__frame::after{content:"";position:absolute;inset:0;background:rgba(26,24,20,.28);transition:opacity var(--t-med) var(--ease);pointer-events:none}
.rk-film__frame.is-playing::after{opacity:0}
.rk-film__play{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;pointer-events:none}
.rk-film__frame.is-paused .rk-film__play::before{content:"";width:84px;height:84px;border:1px solid rgba(255,255,255,.7);border-radius:50%;display:block;position:relative}
.rk-film__frame.is-paused .rk-film__play::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-40%,-50%);border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff}
.rk-film__frame.is-playing .rk-film__play{display:none}

/* =========================================================
   7 · CRAFTSMANSHIP
   ========================================================= */
.rk-craft__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,90px);align-items:center;max-width:var(--maxw);margin-inline:auto}
.rk-craft__copy h2{font-size:clamp(34px,4.6vw,64px);margin:16px 0 28px}
.rk-craft__intro{color:rgba(246,242,236,.7);font-size:15px;margin-bottom:36px;max-width:480px;line-height:1.8}
.rk-craft__timeline{list-style:none}
.rk-craft__step{display:flex;align-items:baseline;gap:24px;padding:22px 0;border-top:1px solid rgba(246,242,236,.16);transition:padding-inline-start .5s var(--ease)}
.rk-craft__step:last-child{border-bottom:1px solid rgba(246,242,236,.16)}
.rk-craft__step:hover{padding-inline-start:14px}
.rk-craft__num{font-family:var(--font-display);font-size:26px;color:var(--or);min-width:46px}
.rk-craft__detail{display:flex;flex-direction:column;gap:4px}
.rk-craft__title{font-family:var(--font-display);font-size:22px;color:var(--creme);letter-spacing:.03em}
.rk-craft__text{font-size:13px;color:rgba(246,242,236,.55)}
.rk-craft__img{position:relative;overflow:hidden}
.rk-craft__img .rk-media img{transition:transform 1.6s var(--ease)}
.rk-craft__img:hover .rk-media img{transform:scale(1.06)}

/* =========================================================
   8 · PRESS
   ========================================================= */
.rk-press__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,34px);max-width:var(--maxw);margin-inline:auto}
.rk-press-card{background:var(--creme);overflow:hidden;display:flex;flex-direction:column}
.rk-press-card__img{overflow:hidden}
.rk-press-card__img .rk-media{aspect-ratio:4/3}
.rk-press-card__img img{transition:transform 1.4s var(--ease)}
.rk-press-card:hover .rk-press-card__img img{transform:scale(1.07)}
.rk-press-card__body{padding:28px 26px 34px}
.rk-press-card__tag{color:var(--or-deep)}
.rk-press-card h3{font-size:24px;margin:13px 0 12px;font-weight:var(--fw-regular);line-height:1.15}
.rk-press-card p{font-size:14px;color:var(--muted);line-height:1.7}
.rk-press-card__date{display:block;font-family:var(--font-sans);font-size:11px;letter-spacing:.18em;color:var(--muted);margin-top:18px;text-transform:uppercase}

/* =========================================================
   9 · ARCHIVES (horizontal rail)
   ========================================================= */
.rk-archives__rail{display:flex;gap:clamp(16px,2vw,32px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;max-width:var(--maxw);margin-inline:auto;scrollbar-width:thin}
.rk-archives__rail::-webkit-scrollbar{height:2px}
.rk-archives__rail::-webkit-scrollbar-thumb{background:var(--sable)}
.rk-archive-card{flex:0 0 320px;max-width:320px;scroll-snap-align:start}
.rk-archive-card .rk-media{aspect-ratio:3/4;overflow:hidden}
.rk-archive-card .rk-media img{transition:transform 1.4s var(--ease)}
.rk-archive-card:hover .rk-media img{transform:scale(1.05)}
.rk-archive-card__cap{padding-top:18px;display:flex;flex-direction:column;gap:4px}
.rk-archive-card__year{font-family:var(--font-display);font-size:30px;color:var(--or-deep)}
.rk-archive-card__title{font-family:var(--font-sans);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* =========================================================
   10 · INSTAGRAM
   ========================================================= */
.rk-instagram__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;max-width:var(--maxw);margin-inline:auto}
.rk-instagram__cell{position:relative;display:block;overflow:hidden;aspect-ratio:1}
.rk-instagram__cell .rk-media{aspect-ratio:1}
.rk-instagram__cell img,.rk-instagram__cell .rk-ph{transition:transform 1.2s var(--ease)}
.rk-instagram__cell::after{content:"@";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(26,24,20,.45);color:#fff;font-family:var(--font-display);font-style:italic;font-size:24px;opacity:0;transition:opacity .5s var(--ease)}
.rk-instagram__cell:hover img{transform:scale(1.12)}
.rk-instagram__cell:hover::after{opacity:1}

/* =========================================================
   11 · NEWSLETTER
   ========================================================= */
.rk-newsletter{text-align:center}
.rk-newsletter__inner{max-width:560px;margin-inline:auto}
.rk-newsletter h2{margin:14px 0 16px}
.rk-newsletter p{color:rgba(246,242,236,.65);max-width:460px;margin:0 auto 36px;font-size:14px;line-height:1.7}
.rk-newsletter__form{display:flex;max-width:520px;margin-inline:auto;gap:0;border-bottom:1px solid rgba(246,242,236,.35);align-items:stretch}
.rk-newsletter__form input{flex:1;background:transparent;border:none;color:var(--creme);padding:16px 4px;font-family:var(--font-sans);font-size:13px;letter-spacing:.06em}
.rk-newsletter__form input::placeholder{color:rgba(246,242,236,.5)}
.rk-newsletter__form input:focus{outline:none}
.rk-newsletter__form .btn{border:none;padding-inline:22px}

/* =========================================================
   RESPONSIVE — TABLET (independent layout, not stacked)
   ========================================================= */
@media(max-width:1024px){
  .rk-press__grid{grid-template-columns:repeat(2,1fr)}
  .rk-instagram__grid{grid-template-columns:repeat(4,1fr)}
  .rk-collections__grid{grid-template-columns:repeat(2,1fr)}
  .rk-archive-card{flex-basis:280px}
}

/* =========================================================
   RESPONSIVE — LARGE MOBILE / SMALL TABLET
   ========================================================= */
@media(max-width:860px){
  .rk-designer__grid,.rk-craft__grid{grid-template-columns:1fr;gap:40px}
  .rk-craft__img{order:-1}
  .rk-designer__img::before{inset:10px}
}

/* =========================================================
   RESPONSIVE — MOBILE (purpose-built)
   ========================================================= */
@media(max-width:600px){
  .rk-hero{min-height:92vh}
  .rk-collections__grid{grid-template-columns:1fr;gap:14px}
  .rk-press__grid{grid-template-columns:1fr}
  .rk-instagram__grid{grid-template-columns:repeat(3,1fr)}
  .rk-archive-card{flex-basis:74vw;max-width:74vw}
  .rk-newsletter__form{flex-direction:column;border-bottom:none;gap:14px}
  .rk-newsletter__form input{border-bottom:1px solid rgba(246,242,236,.35);text-align:center}
  .rk-newsletter__form .btn{width:100%}
  .rk-designer__sig{font-size:26px}
}