/* ============================================================
   3DClothings — light landing page
   ============================================================ */
:root{
  --bg:#ffffff;
  --surface:#f7f7f8;      /* cards */
  --surface-2:#f1f1f4;    /* insets, chips */
  --line:#e5e5ea;         /* borders */
  --line-soft:#eeeef1;
  --txt:#0a0a0b;          /* body text */
  --muted:#54545c;
  --dim:#6b6b74;
  --blue:#2f6bff;
  --blue-hi:#1b52d6;
  --navy:#20293a;         /* the product's own 3D canvas colour */
  --radius:16px;
  --max:1120px;
  --ease:cubic-bezier(.22,.8,.28,1);
  --shadow-sm:0 1px 2px rgba(16,20,32,.05);
  --shadow-md:0 10px 30px -12px rgba(16,20,32,.16);
  --shadow-lg:0 40px 90px -40px rgba(16,20,32,.32);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.025em;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
section{position:relative}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  backdrop-filter:blur(14px);background:rgba(255,255,255,.82);
  border-bottom:1px solid var(--line);
}
.hd-inner{
  max-width:1340px;margin:0 auto;padding:12px 28px;
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:600;letter-spacing:-.03em}
.mark{width:19px;height:19px;color:var(--navy);display:block}
.mark svg{width:100%;height:100%;display:block}
.pill{
  font-size:9px;letter-spacing:.12em;font-weight:500;color:var(--muted);
  border:1px solid var(--line);border-radius:99px;padding:2px 7px;margin-left:2px;
}
.nav{display:flex;gap:28px;margin:0 auto;font-size:13.5px;color:#3c3c44}
.nav a{transition:color .2s}
.nav a:hover{color:#000}
.hd-actions{display:flex;align-items:center;gap:14px;font-size:13.5px}
.ghost{color:#3c3c44;transition:color .2s}
.ghost:hover{color:#000}
.btn-sm{
  background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:6px 13px;transition:background .2s,border-color .2s;
}
.btn-sm:hover{background:var(--surface-2);border-color:#d7d7de}

/* ---------- hills (soft light ridges) ---------- */
.hills{position:absolute;left:0;right:0;bottom:0;height:56vh;pointer-events:none;z-index:1;opacity:.75}
.hills svg{width:100%;height:100%;display:block}
.hills::after{
  content:"";position:absolute;inset:auto 0 0 0;height:35%;
  background:linear-gradient(to top,#fff,transparent);
}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;padding:140px 24px 20vh;text-align:center;
  background:radial-gradient(90% 60% at 50% 0%,#eef2fb 0%,#fff 62%);
}
.hero-copy{position:relative;z-index:3}
.h-display{
  font-size:clamp(40px,5.6vw,74px);line-height:1.03;font-weight:600;
  letter-spacing:-.04em;margin-bottom:22px;
}
.lede{color:var(--muted);font-size:16px;line-height:1.6;margin-bottom:30px}
.btn-primary{
  display:inline-block;background:var(--blue);color:#fff;font-size:14.5px;font-weight:500;
  padding:11px 26px;border-radius:99px;
  box-shadow:0 10px 26px -10px rgba(47,107,255,.6);
  transition:transform .2s var(--ease),background .2s;
}
.btn-primary:hover{background:var(--blue-hi);transform:translateY(-1px)}

.hero-stage{position:relative;z-index:2;margin-top:56px;perspective:1600px}
.laptop{
  width:min(1060px,92vw);margin:0 auto;
  /* Grows downward from its top edge: scrolling never pushes it up over the
     hero CTA above it. */
  transform-origin:50% 0%;
  transform:scale(var(--mock-s,1));
  will-change:transform;
}
.app{
  position:relative;border-radius:12px 12px 4px 4px;overflow:hidden;
  border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-lg);
  aspect-ratio:16/10;
}
/* the hero video keeps its own aspect ratio — never crop the app UI */
video.app{display:block;width:100%;height:auto;aspect-ratio:auto;object-fit:contain;background:var(--navy)}

/* real product screenshots inside cards */
.shot{
  display:block;width:100%;height:auto;border-radius:10px;
  border:1px solid var(--line);box-shadow:var(--shadow-md);
}

/* skip link */
.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--blue);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;
}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.laptop-base{
  height:9px;width:104%;margin:0 -2%;border-radius:0 0 12px 12px;
  background:linear-gradient(#e6e6ec,#cfcfd8);
}

/* ---------- manifesto ---------- */
/* sits above the hero video as it scales up past the hero's bottom edge */
.manifesto{
  position:relative;z-index:5;background:var(--bg);
  min-height:200vh;display:flex;align-items:flex-start;justify-content:center;
  padding:0 24px;
}
.reveal-text{
  overflow-wrap:anywhere;
  position:sticky;top:36vh;
  max-width:820px;text-align:center;
  font-size:clamp(24px,3.1vw,38px);line-height:1.35;letter-spacing:-.03em;font-weight:500;
}
.reveal-text w{
  display:inline-block;white-space:pre;
  /* No transition: these are written every frame from the scroll position, and
     easing them again only makes the words trail the scroll. */
  color:#000;opacity:.08;filter:blur(6px);
}

/* ---------- section head ---------- */
.sec-head{max-width:var(--max);margin:0 auto 46px;text-align:center;padding:0 24px}
.eyebrow{
  display:block;font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.28em;
  color:var(--dim);margin-bottom:16px;text-transform:uppercase;
}
.sec-head h2{font-size:clamp(28px,3.6vw,40px);line-height:1.1;margin-bottom:14px}
.sub{color:var(--muted);font-size:14.5px;line-height:1.6;max-width:620px;margin:0 auto}

/* ---------- showcase marquee ---------- */
.showcase{padding:130px 0 120px}
.marquee{
  overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
  cursor:grab;touch-action:pan-y;   /* horizontal drags belong to the strip */
}
.marquee.dragging{cursor:grabbing}
/* No padding here: the wrap distance is measured from scrollWidth, and any
   padding would offset one pass against the next and show a seam. */
.marquee-row{
  display:flex;gap:14px;width:max-content;
  will-change:transform;user-select:none;
}
.mcard{
  border-radius:12px;border:1px solid var(--line);
  overflow:hidden;position:relative;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--navy);padding:0;width:270px;aspect-ratio:4/3;
}
.mshot{
  display:block;width:100%;height:100%;object-fit:contain;
  -webkit-user-drag:none;user-select:none;pointer-events:none;
}
/* vertical social clips */
.mcard.portrait{width:200px;aspect-ratio:9/16}

/* ---------- sticky steps ---------- */
.steps{padding:40px 24px 34vh;max-width:var(--max);margin:0 auto}
.step-card{
  position:sticky;top:calc(96px + var(--i) * 18px);
  display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;
  height:min(58vh,430px);margin-bottom:9vh;
  background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:34px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.step-text h3{font-size:23px;margin-bottom:12px}
.step-text p{color:var(--muted);font-size:14px;line-height:1.6;max-width:330px}
/* Clips are square. The card centres its grid items, which leaves this track
   auto-height, so height:100% has nothing to resolve against — stretch it and
   allow it to shrink, then the clip can be capped to the card's height. */
.step-media{
  align-self:stretch;min-height:0;
  display:flex;align-items:center;justify-content:center;
}
.step-media .shot{
  max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
}

/* ---------- audience ---------- */
.aud-sec{padding:110px 24px}
.aud-grid{
  max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:repeat(3,1fr);gap:18px;
}
.aud{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.ico{
  width:34px;height:34px;border-radius:10px;background:#e9efff;color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:26px;
}
.ico svg{width:17px;height:17px}
.aud h4{font-size:16px;margin-bottom:9px}
.aud p{color:var(--muted);font-size:13px;line-height:1.55}

/* ---------- dark pill button ---------- */
.btn-plan{
  display:block;text-align:center;margin-top:24px;padding:11px;border-radius:99px;
  background:var(--txt);color:#fff;font-size:14px;transition:.2s;
}
.btn-plan:hover{background:#2b2b33}

/* ---------- faq ---------- */
.faq-sec{padding:110px 24px 130px}
.faq{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.q{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:background .2s}
.q:hover{background:var(--surface-2)}
.q>button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;color:var(--txt);font:inherit;font-size:14.5px;
  padding:18px 20px;cursor:pointer;text-align:left;
}
.q>button i{color:var(--blue);font-style:normal;font-size:16px;transition:transform .3s var(--ease)}
.q.open>button i{transform:rotate(45deg)}
.q .a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.q.open .a{grid-template-rows:1fr}
.q .a>div{overflow:hidden}
.q .a p{padding:0 20px 20px;color:var(--muted);font-size:13.5px;line-height:1.65}

/* ---------- final cta ---------- */
.cta{padding:150px 24px 130px;text-align:center;overflow:hidden}
.cta h2{font-size:clamp(30px,4vw,46px);line-height:1.1;margin-bottom:18px;position:relative;z-index:3}
.cta .sub{margin-bottom:28px;position:relative;z-index:3}
.cta .btn-primary{position:relative;z-index:3}
.cta-logo{width:132px;margin:0 auto 46px;position:relative;z-index:3}
.cta-logo svg{width:100%;display:block}
.hills.bottom{height:52vh}
.hills.bottom::after{height:52%}

/* ---------- about ---------- */
.about-sec{padding:110px 24px}
.about-grid{
  max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;
}
.about-col p{color:var(--muted);font-size:15px;line-height:1.7;margin-bottom:18px;max-width:46ch}
.spec-list{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:8px 22px}
.spec-list>div{
  display:grid;grid-template-columns:110px 1fr;gap:18px;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.spec-list>div:last-child{border-bottom:0}
.spec-list dt{
  font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--dim);padding-top:2px;
}
.spec-list dd{margin:0;font-size:13.5px;color:#2c2c33;line-height:1.5}

/* ---------- contact ---------- */
.contact-sec{padding:0 24px 120px;text-align:center;position:relative;z-index:4}
.contact-sec h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.contact-sec .btn-plan{display:inline-block;margin-top:22px;padding:11px 26px}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);padding:22px;display:flex;gap:26px;justify-content:center;
  font-size:12.5px;color:var(--dim);position:relative;z-index:4;background:#fff;
}
.site-footer a:hover{color:var(--txt)}

/* ---------- reveal ---------- */
.fade{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.fade.in{opacity:1;transform:none}

/* ---------- mobile menu ---------- */
.burger{
  display:none;order:3;margin-left:auto;
  width:38px;height:38px;padding:9px 8px;
  background:none;border:0;cursor:pointer;
}
.burger span{
  display:block;height:2px;border-radius:2px;background:var(--txt);
  transition:transform .28s var(--ease),opacity .2s linear;
}
.burger span + span{margin-top:5px}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav .in-menu{display:none}
.btn-sm.accent{background:var(--blue);border-color:transparent;color:#fff}
.btn-sm.accent:hover{background:var(--blue-hi)}

/* ---------- responsive ---------- */
@media (max-width:900px){
  /* .nav is not hidden here — it becomes the drop-down panel below */
  .hd-inner{justify-content:space-between;position:relative;gap:12px}
  .burger{display:block}
  .aud-grid{grid-template-columns:1fr 1fr}
  .step-card{grid-template-columns:1fr;height:auto;padding:26px}
  .step-media{height:220px}
  .about-grid{grid-template-columns:1fr;gap:32px}

  .nav{
    position:fixed;left:0;right:0;top:59px;margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 22px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    /* collapsed by default; the class on <body> opens it */
    visibility:hidden;opacity:0;transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  body.menu-open .nav{visibility:visible;opacity:1;transform:none}
  .nav a{padding:15px 2px;font-size:16px;border-bottom:1px solid var(--line-soft)}
  .nav .in-menu{display:block}
  .nav .in-menu.btn-sm{
    margin-top:16px;border-bottom:0;text-align:center;
    padding:13px;font-size:15px;border-radius:10px;
  }
  .nav .in-menu.ghost{border-bottom:0}
  .hd-actions{display:none}
}
@media (max-width:600px){
  .aud-grid{grid-template-columns:1fr}
  .hero{padding-top:110px}
  .h-display br,.lede br,.cta h2 br,.cta .sub br{display:none}
  .lede,.cta .sub{max-width:34ch;margin-left:auto;margin-right:auto}
  .laptop{width:min(760px,94vw)}
  .hero-stage{margin-top:40px}
  .marquee-row{padding-left:5vw}
  .mcard{width:200px}
  .hills{display:none}
  .cta-logo{width:96px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ---------- language switcher ---------- */
/* <details> so it works with JS off and gets keyboard handling for free. */
.lang{position:relative}
.lang>summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;
  font-size:13px;font-weight:500;color:#3c3c44;
  border:1px solid var(--line);border-radius:8px;padding:6px 11px;
  transition:background .2s,border-color .2s;
}
.lang>summary::-webkit-details-marker{display:none}
.lang>summary::after{
  content:"";width:5px;height:5px;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
}
.lang>summary:hover{background:var(--surface-2);border-color:#d7d7de}
.lang[open]>summary{background:var(--surface-2)}
.lang ul{
  position:absolute;right:0;top:calc(100% + 6px);z-index:70;min-width:172px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--shadow-md);padding:6px;
}
.lang li a{display:block;padding:8px 10px;border-radius:6px;font-size:13.5px;color:#3c3c44}
.lang li a:hover{background:var(--surface-2);color:var(--txt)}
.lang li a[aria-current]{color:var(--blue);font-weight:600}

/* The nav is centred between two groups. Equal flex on both sides centres it in
   every language at once, instead of tuning a gap per language: the right-hand
   group is heavier (CTA + switcher) and would otherwise push the nav left. */
.brand{flex:1 1 0;min-width:0}
.hd-actions{flex:1 1 0;justify-content:flex-end}
.nav{flex:0 0 auto;margin:0}

@media (max-width:900px){
  /* inside the drop-down menu the list sits inline, not floating */
  .lang.in-menu{width:100%}
  .lang.in-menu>summary{border:0;padding:15px 2px;font-size:16px;justify-content:flex-start}
  .lang.in-menu ul{
    position:static;box-shadow:none;border:0;padding:0 0 6px;min-width:0;background:none;
  }
  .lang.in-menu li a{padding:12px 10px;font-size:15px}
  .nav{flex:1 1 auto}
}