/* Base reset (matches the hosted preview) */
*,*::before,*::after{box-sizing:border-box}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
/* Layout: the Unico case-study system for L&T. Light grey hero with a self-drawing heart line,
   white editorial rows (label left, story right), an L&T-blue "With Love" band, full-bleed creatives,
   a scroll-unfolding love letter, the creative-system spotlight and a centred close.
   Everything is sized in rem and the root steps up at large widths, so it scales cleanly to a 50-inch TV. */
:root{
  --blue:#1E48A0; --blue-2:#3253A6; --blue-deep:#183C8C; --pink:#E8577A; --sun:#F6D84A;
  --bg:#FFFFFF; --soft:#F5F6F9; --hero-a:#F6F6F7; --hero-b:#E6E7EA; --ink:#121521; --muted:#5C6273; --line:#E2E5EC; --cream:#FBF6EF;
  --f-display:"Anek Latin","Arial Narrow",system-ui,sans-serif;
  --f-body:"Instrument Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --gut:max(1rem,env(safe-area-inset-left,0px)); --gutr:max(1rem,env(safe-area-inset-right,0px));
  --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:light;
}
html{font-size:16px;scroll-behavior:smooth}
@media (min-width:1600px){html{font-size:18px}}
@media (min-width:1900px){html{font-size:20px}}
@media (min-width:2400px){html{font-size:24px}}
@media (min-width:3200px){html{font-size:32px}}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:1rem;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
p,h1,h2,h3,figure{margin:0}
button{font-family:inherit}
.wrap{max-width:74rem;margin-inline:auto;padding-left:var(--gut);padding-right:var(--gutr)}

/* progress + nav */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--hero-a)}
.progress{position:fixed;left:0;top:env(safe-area-inset-top,0px);height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--blue),var(--pink));z-index:70}
.nav{position:fixed;top:env(safe-area-inset-top,0px);left:0;right:0;z-index:50;border-bottom:1px solid transparent;transition:background .4s,border-color .4s}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:1rem}
.nav .brand{font-size:.8125rem;font-weight:600;color:var(--ink);text-decoration:none}
.nav .brand span{color:var(--muted);font-weight:400}
.nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav ul a{font-size:.8125rem;text-decoration:none;color:var(--muted);padding:.375rem .7rem;border-radius:99px;transition:color .3s,background .3s}
.nav ul a:hover,.nav ul a.on{color:var(--ink);background:rgba(18,21,33,.06)}
.nav.solid{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
@media (max-width:900px){.nav ul{display:none}}

/* HERO */
.hero{position:relative;background:linear-gradient(180deg,var(--hero-a) 0%,var(--hero-b) 100%);overflow:hidden;isolation:isolate}
.hero .wrap{min-height:clamp(32rem,100svh,54rem);display:grid;place-items:center;text-align:center;padding-block:6rem 4.5rem;position:relative}
.heartline{position:absolute;left:50%;top:50%;width:max(64rem,120vw);transform:translate(-50%,-50%);z-index:-1;pointer-events:none;overflow:visible}
.heartline path{fill:none;stroke:var(--blue);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;opacity:.16}
.heartline .pk{stroke:var(--pink);opacity:.22;stroke-width:1.6}
.hero-inner{display:grid;justify-items:center;gap:clamp(1.6rem,4vh,2.6rem)}
.hero-logo{width:clamp(15rem,30vw,25rem);height:auto}
.hero h1{font-family:var(--f-body);font-size:clamp(1.15rem,1.75vw,1.75rem);line-height:1.38;font-weight:400;color:var(--blue);max-width:30em}
.hero h1 strong{display:block;font-weight:700}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .ln>span{display:inline-block}
.js .hero-logo{opacity:0;transform:translateY(18px) scale(.96);filter:blur(6px);transition:opacity 1.2s var(--ease) .5s,transform 1.4s var(--ease) .5s,filter 1.2s var(--ease) .5s}
.js .hero h1 .ln>span{transform:translateY(105%);transition:transform 1.1s var(--ease)}
.hero.go .hero-logo{opacity:1;transform:none;filter:none}
.hero.go h1 .ln>span{transform:none}

/* reveal */
.js [data-reveal]{opacity:0;transform:translateY(2rem);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.js [data-reveal].in{opacity:1;transform:none}
.js [data-reveal="img"]{opacity:1;transform:none;position:relative;overflow:hidden}
.js [data-reveal="img"]::before,.js [data-reveal="img"]::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;transform-origin:50% 0}
.js [data-reveal="img"]::before{background:var(--blue);transition:transform 1.05s cubic-bezier(.77,0,.18,1) var(--rd2,.22s)}
.js [data-reveal="img"]::after{background:var(--bg);transition:transform .85s cubic-bezier(.77,0,.18,1) var(--rd,0s)}
.js [data-reveal="img"].in::before,.js [data-reveal="img"].in::after{transform:scaleY(0)}
.js [data-reveal="img"] img{transform:scale(1.16);filter:saturate(.6);transition:transform 1.9s var(--ease) .25s,filter 1.6s var(--ease) .35s}
.js [data-reveal="img"].in img{transform:scale(1);filter:none}
.js [data-reveal="words"]{opacity:1;transform:none}
.js [data-reveal="words"] .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.06em}
.js [data-reveal="words"] .w>span{display:inline-block;transform:translateY(105%);transition:transform .9s var(--ease)}
.js [data-reveal="words"].in .w>span{transform:none}

/* editorial rows */
.row{padding-block:clamp(4.5rem,9vw,8rem)}
.row.soft{background:var(--soft)}
.row-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(2rem,6vw,6rem);align-items:start}
.side{display:grid;gap:1.1rem;position:sticky;top:6rem}
.label{font-size:.8125rem;font-weight:700}
.label::after{content:":"}
.tags{display:flex;flex-direction:column;align-items:flex-start;gap:.5rem}
.tag{font-size:.8125rem;font-weight:500;border:1px solid var(--line);background:var(--bg);padding:.375rem .75rem;border-radius:99px}
.body{display:grid;gap:1.5rem;min-width:0}
.lede{font-family:var(--f-display);font-stretch:90%;font-size:clamp(1.55rem,2.7vw,2.25rem);line-height:1.2;font-weight:500;text-wrap:balance;max-width:26em}
.copy{color:var(--muted);max-width:62ch}
.copy strong{color:var(--ink);font-weight:600}
.sub{font-family:var(--f-display);font-stretch:92%;font-size:1.45rem;font-weight:600;color:var(--blue);line-height:1.2}
.callout{border-left:3px solid var(--pink);padding:.25rem 0 .25rem 1.4rem;font-size:clamp(1.2rem,1.8vw,1.45rem);line-height:1.42;font-weight:500;max-width:34em}
.callout em{font-style:normal;color:var(--pink)}
.callout.blue{border-color:var(--blue)}
.callout.blue em{color:var(--blue)}
@media (max-width:820px){.row-grid{grid-template-columns:1fr}.side{position:static}.tags{flex-direction:row;flex-wrap:wrap}}

/* three loves (inside approach) */
.loves{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}
.love{background:var(--bg);border:1px solid var(--line);border-radius:1rem;padding:1.1rem 1.1rem 1.2rem;display:grid;gap:.4rem;position:relative;overflow:hidden;transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .4s}
.love:hover{transform:translateY(-4px);box-shadow:0 1.4rem 2.5rem -1.8rem rgba(30,72,160,.55);border-color:rgba(30,72,160,.3)}
.love svg{width:1.6rem;height:1.6rem;color:var(--pink)}
.love b{font-family:var(--f-display);font-stretch:92%;font-size:1.2rem;font-weight:600;line-height:1.2}
.love span{font-size:.875rem;color:var(--muted);line-height:1.5}
@media (max-width:620px){.loves{grid-template-columns:1fr}}

/* BAND */
.band{background:linear-gradient(180deg,var(--blue-2),var(--blue-deep));color:#fff}
.band .wrap{padding-block:clamp(3.5rem,7vw,5.75rem);display:grid;justify-items:center;gap:1.1rem;text-align:center}
.band .pre{font-size:.8125rem;letter-spacing:.04em;opacity:.85}
.cycle{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem 1.1rem;font-family:var(--f-display);font-stretch:92%;font-size:clamp(1.5rem,3vw,2.5rem);font-weight:600;line-height:1.35}
.cycle .sep{opacity:.4;font-weight:300}
.cw{appearance:none;border:0;background:none;color:inherit;font:inherit;cursor:pointer;padding:2px 4px;opacity:.45;transition:opacity .6s var(--ease),transform .6s var(--ease);position:relative;display:inline-flex;align-items:center;gap:.4em}
.cw svg{width:.7em;height:.7em;color:var(--pink);transform:scale(0);transition:transform .6s var(--ease)}
.cw.on{opacity:1;transform:translateY(-3px)}
.cw.on svg{transform:scale(1)}
.cw::after{content:"";position:absolute;left:4px;right:4px;bottom:0;height:2px;background:var(--sun);transform:scaleX(0);transform-origin:0 50%;transition:transform .9s var(--ease)}
.cw.on::after{transform:scaleX(1)}
@media (max-width:620px){.cycle{flex-direction:column;gap:.3rem}.cycle .sep{display:none}}

/* SHOWCASE */
.band{overflow:hidden}
.show{position:relative;width:100%;height:min(58vh,46rem,118vw);margin-top:1.4rem;touch-action:pan-y;perspective:1400px}
.card{appearance:none;border:0;padding:0;background:none;position:absolute;left:50%;top:0;height:100%;aspect-ratio:1026/1446;border-radius:.9rem;overflow:hidden;cursor:pointer;transform-style:preserve-3d;
  transition:transform 1s var(--ease),filter .7s var(--ease),opacity .7s,box-shadow .7s;box-shadow:0 2.4rem 4rem -2rem rgba(0,0,0,.55);will-change:transform}
.card img{width:100%;height:100%;object-fit:cover;pointer-events:none}
.card .glare{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at var(--gx,50%) var(--gy,30%),rgba(255,255,255,.32),transparent 45%);opacity:0;transition:opacity .4s}
.card.p0{transform:translateX(-50%) rotateY(var(--ry,0deg)) rotateX(var(--rx,0deg));z-index:3;cursor:zoom-in}
.card.p0:hover .glare{opacity:1}
.card.p1{transform:translateX(calc(-50% + 66%)) rotate(7deg) scale(.8);z-index:2;filter:brightness(.62) saturate(.8)}
.card.p2{transform:translateX(calc(-50% - 66%)) rotate(-7deg) scale(.8);z-index:2;filter:brightness(.62) saturate(.8)}
.card.p1:hover,.card.p2:hover{filter:brightness(.85)}
.js .show .card{opacity:0;transform:translateX(-50%) translateY(30%) scale(.7)}
.js .show.in .card{opacity:1}
.js .show.in .card.p0{transform:translateX(-50%) rotateY(var(--ry,0deg)) rotateX(var(--rx,0deg))}
.js .show.in .card.p1{transform:translateX(calc(-50% + 66%)) rotate(7deg) scale(.8)}
.js .show.in .card.p2{transform:translateX(calc(-50% - 66%)) rotate(-7deg) scale(.8)}
.show-cap{display:grid;gap:.15rem;min-height:3.4em;margin-top:.4rem}
.show-cap b{font-family:var(--f-display);font-stretch:92%;font-size:clamp(1.2rem,2vw,1.6rem);font-weight:600;line-height:1.25;transition:opacity .4s}
.show-cap span{font-size:.8125rem;opacity:.8}
.show-nav{display:flex;align-items:center;gap:1rem}
.show-nav button{appearance:none;width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;display:grid;place-items:center;transition:background .3s}
.show-nav button:hover{background:rgba(255,255,255,.2)}
.dots{display:flex;gap:.45rem}
.dots i{width:.5rem;height:.5rem;border-radius:99px;background:rgba(255,255,255,.4);transition:width .5s var(--ease),background .4s}
.dots i.on{width:1.6rem;background:var(--sun)}
@media (max-width:620px){.card.p1{transform:translateX(calc(-50% + 58%)) rotate(6deg) scale(.78)}.card.p2{transform:translateX(calc(-50% - 58%)) rotate(-6deg) scale(.78)}
 .js .show.in .card.p1{transform:translateX(calc(-50% + 58%)) rotate(6deg) scale(.78)}.js .show.in .card.p2{transform:translateX(calc(-50% - 58%)) rotate(-6deg) scale(.78)}}

/* hearts */
.fheart{position:fixed;left:0;top:0;width:1.4rem;height:1.4rem;color:var(--pink);pointer-events:none;z-index:120}
.fheart svg{width:100%;height:100%;display:block}
.hint{position:absolute;left:50%;bottom:1.6rem;transform:translateX(-50%);font-size:.75rem;color:var(--muted);display:flex;align-items:center;gap:.4rem;opacity:0;transition:opacity 1s 3s;white-space:nowrap}
.hint svg{width:.85rem;height:.85rem;color:var(--pink)}
.hero.go .hint{opacity:1}
.love{cursor:pointer}
.love.beat svg{animation:beat .6s var(--ease)}
@keyframes beat{0%{transform:scale(1)}35%{transform:scale(1.5)}60%{transform:scale(.9)}100%{transform:scale(1)}}

/* POSTERS */
.posters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:var(--soft)}
.poster{appearance:none;border:0;padding:0;margin:0;background:none;cursor:zoom-in;display:block;position:relative;overflow:hidden;aspect-ratio:1026/1446;color:#fff;text-align:left;width:100%}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.poster .pcap{position:absolute;left:0;right:0;bottom:0;padding:2.5rem 1.1rem .9rem;background:linear-gradient(transparent,rgba(8,14,40,.78));display:flex;justify-content:space-between;align-items:baseline;gap:.6rem;opacity:0;transform:translateY(10px);transition:opacity .5s var(--ease),transform .6s var(--ease)}
.poster .pcap b{font-size:1rem;font-weight:600;line-height:1.3}
.poster .pcap span{font-size:.75rem;opacity:.85;white-space:nowrap}
.poster:hover img,.poster:focus-visible img{transform:scale(1.05)}
.poster:hover .pcap,.poster:focus-visible .pcap{opacity:1;transform:none}
@media (hover:none){.poster .pcap{opacity:1;transform:none}}
@media (max-width:760px){.posters{grid-template-columns:1fr}}

/* LETTER */
.letter-sec{background:var(--cream);overflow:hidden}
.letter-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(2rem,6vw,6rem);align-items:center;padding-block:clamp(4.5rem,8vw,7rem)}
.letter-card{justify-self:center;width:min(100%,32rem);position:relative;perspective:1600px}
.letter-paper{position:relative;border-radius:.5rem;overflow:hidden;box-shadow:0 2rem 4rem -2.4rem rgba(60,40,20,.45),0 0 0 1px rgba(60,40,20,.06);transform-origin:50% 0;background:#fff}
.letter-paper img{width:100%;height:auto}
.letter-paper .fold{position:absolute;left:0;right:0;bottom:0;height:var(--h,80%);background:linear-gradient(180deg,#F3EBDF,#FBF6EF);border-top:1px solid rgba(60,40,20,.08);pointer-events:none;transition:height .12s linear}
.letter-paper .fold::before{content:"";position:absolute;left:0;right:0;top:0;height:2.5rem;background:linear-gradient(180deg,rgba(60,40,20,.12),transparent)}
.seal{cursor:pointer;position:absolute;right:-.9rem;top:-.9rem;width:3.4rem;height:3.4rem;border-radius:50%;background:var(--pink);display:grid;place-items:center;color:#fff;box-shadow:0 .6rem 1.2rem -.5rem rgba(232,87,122,.8);z-index:2;transition:transform .8s var(--ease)}
.seal svg{width:1.5rem;height:1.5rem}
.letter-card.open .seal{transform:rotate(-14deg) scale(.9)}
.letter-meta{display:flex;justify-content:space-between;gap:.75rem;font-size:.8125rem;color:var(--muted);padding-top:.8rem}
.letter-meta b{color:var(--ink);font-weight:600}
@media (max-width:820px){.letter-grid{grid-template-columns:1fr}}

/* LENS */
.fw{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:clamp(1.25rem,3vw,2.25rem);align-items:center;margin-top:.4rem}
.fw-steps{display:grid;gap:.6rem;min-width:0}
.fs{appearance:none;border:1px solid var(--line);background:var(--bg);color:var(--ink);text-align:left;font:inherit;border-radius:.9rem;padding:.9rem 1.1rem;cursor:pointer;display:grid;grid-template-columns:auto 1fr;gap:2px .9rem;align-items:baseline;transition:border-color .4s,box-shadow .4s,transform .5s var(--ease)}
.fs .n{font-family:var(--f-mono);font-size:.6875rem;color:var(--muted);grid-row:span 2}
.fs b{font-family:var(--f-display);font-stretch:90%;font-size:1.3rem;font-weight:600;transition:color .4s}
.fs .d{grid-column:2;color:var(--muted);font-size:.875rem;line-height:1.5;display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease)}
.fs .d>span{overflow:hidden}
.fs.on{border-color:var(--blue);box-shadow:0 .6rem 1.9rem -1.1rem rgba(30,72,160,.6);transform:translateX(6px)}
.fs.on .n{color:var(--pink)}.fs.on b{color:var(--blue)}
.fs.on .d{grid-template-rows:1fr}
.lens{position:relative;border-radius:.9rem;overflow:hidden;aspect-ratio:1022/1450;background:var(--soft);width:100%;max-width:26rem;justify-self:end}
.lens img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),transform-origin 1.2s var(--ease)}
.lens .ring{position:absolute;border:2px solid #fff;border-radius:.75rem;box-shadow:0 0 0 2000px rgba(10,16,40,.5);transition:left 1s var(--ease),top 1s var(--ease),width 1s var(--ease),height 1s var(--ease);pointer-events:none}
.lens .lbl{position:absolute;left:.75rem;bottom:.75rem;font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;background:#fff;color:var(--ink);padding:.3rem .65rem;border-radius:99px}
@media (max-width:980px){.fw{grid-template-columns:1fr}.lens{justify-self:start}}

/* MOCKUPS */
.mocks-sec{background:var(--soft);padding-block:clamp(3rem,6vw,5rem)}
.mocks-wrap{max-width:110rem;margin-inline:auto;padding-left:var(--gut);padding-right:var(--gutr);display:grid;gap:1.25rem}
.mocks-h{font-size:.8125rem;font-weight:700;text-align:center}
.mocks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(.75rem,1.4vw,1.5rem)}
.mock{display:grid;gap:.6rem;margin:0}
.mock .poster{aspect-ratio:16/9;border-radius:.75rem;background:#fff}
.mock .poster img{object-fit:contain}
.mock figcaption{display:flex;justify-content:space-between;gap:.75rem;font-size:.875rem;color:var(--muted)}
.mock figcaption b{color:var(--ink);font-weight:600}
@media (max-width:900px){.mocks{grid-template-columns:1fr}}
/* close */
.close-inner{display:grid;justify-items:center;text-align:center;gap:1.75rem}
.close-inner .lede{margin-inline:auto;max-width:22em}
.cta{display:inline-flex;align-items:center;gap:.75rem;color:var(--blue);font-weight:600;text-decoration:none;font-size:1.05rem;padding-bottom:4px;border-bottom:2px solid currentColor;width:max-content;transition:gap .4s var(--ease)}
.cta:hover{gap:1.25rem}
.credit{display:flex;gap:.6rem 1.75rem;flex-wrap:wrap;justify-content:center;font-size:.8125rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1.4rem;margin-top:clamp(3rem,6vw,5rem)}

/* LIGHTBOX */
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,12,28,.94);display:grid;grid-template-rows:auto 1fr auto;opacity:0;pointer-events:none;transition:opacity .45s var(--ease);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);color:#fff}
.lb.open{opacity:1;pointer-events:auto}
.lb-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem var(--gutr) .5rem var(--gut)}
.lb-t{font-size:1rem;font-weight:600}
.lb-t small{display:block;font-size:.75rem;font-weight:400;opacity:.7}
.lb button{appearance:none;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#fff;width:2.75rem;height:2.75rem;border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:background .3s}
.lb button:hover{background:rgba(255,255,255,.18)}
.lb-stage{display:grid;place-items:center;min-height:0;padding:.5rem 1rem}
.lb-stage img{max-height:100%;max-width:min(94vw,90rem);object-fit:contain;border-radius:6px;transform:scale(.95);opacity:0;transition:transform .6s var(--ease),opacity .4s}
.lb.open .lb-stage img.ready{transform:none;opacity:1}
.lb-bot{display:flex;justify-content:center;gap:.9rem;align-items:center;padding:.6rem 1rem 1.25rem;font-family:var(--f-mono);font-size:.75rem}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}