/* ==========================================================================
   Kadoo · marketing site
   Palette pulled from the app design system + brand logo.
   ========================================================================== */
:root{
  --ink:#17130d;          /* near-black, warm */
  --ink-2:#211b13;
  --bg:#f6f4ef;           /* warm off-white */
  --bg-2:#efeae1;
  --cream:#e8d0b0;
  --gold:#d8a63c;
  --terra:#c96a3c;        /* terracotta */
  --orange:#e4632b;       /* headline accent */
  --line:#e7e2d8;
  --muted:#7c766c;
  --white:#fff;
  --maxw:1180px;
  --r:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-en:"Sora",system-ui,sans-serif;
  --font-zh:"Noto Sans SC","PingFang SC",system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-zh);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-en),var(--font-zh);letter-spacing:-.01em;line-height:1.08}

/* grain overlay ---------------------------------------------------------- */
.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

/* buttons ---------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-zh);font-weight:700;font-size:15px;cursor:pointer;
  border-radius:999px;padding:14px 26px;transition:transform .25s var(--ease),background .25s,color .25s,box-shadow .25s;
  border:1px solid transparent;white-space:nowrap;
}
.btn--solid{background:var(--ink);color:var(--white)}
.btn--solid:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(23,19,13,.28)}
.btn--ghost{background:transparent;color:var(--ink);border-color:rgba(23,19,13,.18)}
.btn--ghost:hover{background:rgba(23,19,13,.06);transform:translateY(-2px)}
.btn--pill{background:var(--ink);color:var(--white);padding:11px 20px;font-size:14px}
.btn--pill:hover{transform:translateY(-2px)}

/* nav -------------------------------------------------------------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px clamp(18px,5vw,48px);
  transition:padding .3s var(--ease),background .3s,box-shadow .3s,backdrop-filter .3s;
}
.nav.scrolled{
  padding:11px clamp(18px,5vw,48px);
  background:rgba(246,244,239,.72);backdrop-filter:blur(16px) saturate(1.2);
  box-shadow:0 1px 0 rgba(23,19,13,.06);
}
.nav__brand img{height:30px;width:auto;border-radius:8px}
.nav__links{display:flex;gap:30px;font-size:15px;font-weight:500}
.nav__links a{color:var(--ink);opacity:.72;transition:opacity .2s}
.nav__links a:hover{opacity:1}

/* scroll progress -------------------------------------------------------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:300;background:linear-gradient(90deg,var(--orange),var(--gold));box-shadow:0 0 14px rgba(228,99,43,.55)}

/* hero ------------------------------------------------------------------- */
.hero{
  position:relative;overflow:hidden;isolation:isolate;
  min-height:100svh;background:#090807;color:#f4ede2;
  display:flex;flex-direction:column;align-items:center;justify-content:flex-start;text-align:center;
  padding:clamp(128px,21vh,230px) clamp(18px,5vw,48px) 0;
}
/* full-bleed blurred atmosphere (same illustration → fills wide screens) */
.hero__ambient{
  position:absolute;inset:0;z-index:-4;
  background:url("../assets/img/crowd.png") center 26%/cover no-repeat;
  filter:blur(64px) saturate(1.15) brightness(.72);transform:scale(1.22);opacity:.55;
}
/* warm glow rising behind the crowd */
.hero__glow{
  position:absolute;left:50%;bottom:-6%;z-index:-3;transform:translateX(-50%);
  width:min(1150px,124vw);height:min(760px,82vh);
  background:radial-gradient(50% 56% at 50% 62%, rgba(228,99,43,.36), rgba(216,166,60,.16) 46%, transparent 72%);
  filter:blur(8px);animation:breathe 7s ease-in-out infinite alternate;
}
@keyframes breathe{0%{opacity:.68;transform:translateX(-50%) scale(1)}100%{opacity:1;transform:translateX(-50%) scale(1.07)}}
/* crisp crowd — full-bleed, bottom-anchored */
.hero__crowd{
  position:absolute;left:0;right:0;bottom:0;width:100%;z-index:-2;
  height:min(76vh,940px);object-fit:cover;object-position:50% 82%;
  pointer-events:none;user-select:none;
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 20%,#000 88%,transparent 100%);
          mask-image:linear-gradient(180deg,transparent 0%,#000 20%,#000 88%,transparent 100%);
  will-change:transform;
}
.hero__scrim{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(74% 54% at 50% 30%, rgba(9,8,7,.86), rgba(9,8,7,.22) 62%, transparent 78%),
    linear-gradient(180deg, rgba(9,8,7,.72) 0%, rgba(9,8,7,.12) 34%, transparent 54%, rgba(9,8,7,.4) 82%, #090807 100%);
}
.hero__cursor{
  position:absolute;left:0;top:0;z-index:-1;width:460px;height:460px;pointer-events:none;opacity:0;
  transform:translate(-50%,-50%);transition:opacity .5s;
  background:radial-gradient(circle, rgba(232,208,176,.16), transparent 62%);
}

.hero__inner{position:relative;z-index:2;max-width:840px}
.eyebrow{
  display:inline-block;font-family:var(--font-en);font-size:13px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cream);
  padding:7px 15px;border:1px solid rgba(232,208,176,.3);border-radius:999px;
  margin-bottom:26px;backdrop-filter:blur(4px);
}
.hero__title{font-size:clamp(46px,8.2vw,104px);font-weight:800;letter-spacing:-.035em;color:#fbf5ec;line-height:1.0}
.hero__title .line{display:block;overflow:hidden;padding-bottom:.08em}
.hero__title .line>span{display:inline-block;transform:translateY(115%);transition:transform 1.05s var(--ease)}
.hero.in .hero__title .line>span{transform:none}
.hero.in .hero__title .line:nth-child(2)>span{transition-delay:.11s}
.hero__title .accent{background:linear-gradient(100deg,var(--orange),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{margin:28px auto 0;max-width:560px;font-size:clamp(16px,1.6vw,20px);line-height:1.72;color:rgba(244,237,226,.86);text-shadow:0 2px 30px rgba(0,0,0,.55)}
.hero__title{text-shadow:0 4px 50px rgba(0,0,0,.4)}
.hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:38px}
.hero__cta .btn--solid{background:#fbf5ec;color:var(--ink)}
.hero__cta .btn--solid:hover{box-shadow:0 16px 34px rgba(0,0,0,.4)}
.hero__cta .btn--ghost{color:#f4ede2;border-color:rgba(244,237,226,.3)}
.hero__cta .btn--ghost:hover{background:rgba(244,237,226,.08)}
.hero__trust{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:30px;font-size:14px;color:rgba(244,237,226,.66)}
.stack{display:flex}
.stack img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid #090807;margin-left:-10px}
.stack img:first-child{margin-left:0}

.hero__scroll{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:24px;height:38px;border:2px solid rgba(244,237,226,.3);border-radius:14px;z-index:2}
.hero__scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:2px;background:var(--cream);transform:translateX(-50%);animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;top:8px}30%{opacity:1}60%{opacity:1;top:20px}100%{opacity:0;top:22px}}

/* generic reveal (hero content) */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

/* magnetic buttons keep their transition */
.magnetic{will-change:transform}

/* promise ---------------------------------------------------------------- */
.promise{padding:clamp(80px,13vh,140px) clamp(18px,5vw,48px);background:var(--bg)}
.promise__inner{max-width:900px;margin:0 auto;text-align:center}
.promise h2{font-size:clamp(30px,4.6vw,54px);font-weight:800}
.promise p{margin-top:24px;font-size:clamp(17px,1.8vw,21px);line-height:1.75;color:var(--muted)}
.promise .u{color:var(--terra);font-weight:700;position:relative;white-space:nowrap}
.promise .u::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:rgba(216,166,60,.35);z-index:-1;border-radius:4px}

/* section head ----------------------------------------------------------- */
.section-head{max-width:var(--maxw);margin:0 auto clamp(36px,5vw,56px)}
.kicker{font-family:var(--font-en);font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--terra)}
.kicker--gold{color:var(--gold)}
.section-head h2{font-size:clamp(28px,4.4vw,50px);font-weight:800;margin-top:12px}
.section-sub{margin-top:16px;color:var(--muted);font-size:17px;max-width:560px}
.section-head--light .kicker{color:var(--gold)}

/* features / bento ------------------------------------------------------- */
.features{padding:clamp(60px,9vh,110px) clamp(18px,5vw,48px);background:var(--bg-2)}
.bento{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cell{
  position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;min-height:230px;display:flex;flex-direction:column;justify-content:space-between;
  overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s;
}
.cell:hover{transform:translateY(-6px);box-shadow:0 26px 50px rgba(23,19,13,.1)}
.cell--wide{grid-column:span 2}
.cell--dark{background:var(--ink);color:#f4ede2;border-color:transparent}
.cell--dark .cell__body p{color:rgba(244,237,226,.72)}
.cell__body h3{font-size:22px;font-weight:800;margin-bottom:12px}
.cell__body p{color:var(--muted);font-size:15.5px;line-height:1.65;max-width:42ch}
.cell__icon{font-size:34px;align-self:flex-end;filter:grayscale(.1)}
.cell__media{display:flex;gap:10px;align-items:flex-end}
.tagpill{font-size:14px;font-weight:800;padding:8px 16px;border-radius:999px}
.tagpill--instant{background:linear-gradient(100deg,var(--orange),#f0894f);color:#fff}
.tagpill--normal{background:var(--cream);color:#3a2c1a}
.cell__badges{display:flex;gap:8px;flex-wrap:wrap}
.cell__badges span{font-size:13px;font-weight:700;background:rgba(232,208,176,.16);color:var(--cream);padding:7px 13px;border-radius:999px;border:1px solid rgba(232,208,176,.2)}
.coin{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:20px;color:#3a2c1a;background:radial-gradient(circle at 35% 30%,#f4d58a,var(--gold));box-shadow:0 8px 20px rgba(216,166,60,.4);align-self:flex-end}

/* showcase — pinned horizontal scroll ------------------------------------ */
.showcase{background:var(--ink);color:#f4ede2}
.pin{position:relative;height:340vh}
.pin__sticky{position:sticky;top:0;height:100svh;overflow:hidden;display:flex;flex-direction:column;justify-content:center}
.pin__intro{position:absolute;top:clamp(40px,9vh,96px);left:clamp(18px,5vw,48px);z-index:3}
.pin__intro h2{font-size:clamp(28px,4.6vw,54px);font-weight:800;color:#fbf5ec;margin-top:12px}
.pin__track{display:flex;flex-wrap:nowrap;align-items:center;gap:clamp(30px,5vw,90px);padding:0 clamp(20px,12vw,220px);width:max-content;will-change:transform}
.slide{flex:none;display:flex;flex-direction:column;align-items:center;gap:20px}
.phone2{width:min(300px,72vw);border-radius:38px;overflow:hidden;border:7px solid #050505;box-shadow:0 50px 90px rgba(0,0,0,.62)}
.phone2 img{width:100%;display:block}
.slide__cap{font-size:14px;color:rgba(244,237,226,.6)}
.slide--text{width:min(440px,82vw);align-items:flex-start;text-align:left;gap:20px}
.slide--text h3{font-size:clamp(30px,3.6vw,46px);font-weight:800;color:#fbf5ec;line-height:1.08}
.slide--text p{color:rgba(244,237,226,.72);font-size:17px;line-height:1.72}
.slide__hint{font-family:var(--font-en);font-size:13px;letter-spacing:.08em;color:var(--gold)}

@media(max-width:900px){
  .pin{height:auto}
  .pin__sticky{position:static;height:auto;overflow:visible;padding:clamp(60px,9vh,90px) 0}
  .pin__intro{position:static;padding:0 clamp(18px,5vw,48px);margin-bottom:28px}
  .pin__track{transform:none!important;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:0 clamp(18px,5vw,48px) 10px}
  .slide{scroll-snap-align:center}
}

/* how -------------------------------------------------------------------- */
.how{padding:clamp(70px,11vh,130px) clamp(18px,5vw,48px);background:var(--bg)}
.steps{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:34px 30px}
.step__n{font-family:var(--font-en);font-size:44px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--terra);display:block;margin-bottom:16px}
.step h3{font-size:21px;font-weight:800;margin-bottom:10px}
.step p{color:var(--muted);font-size:15.5px;line-height:1.65}

/* safety ----------------------------------------------------------------- */
.safety{padding:clamp(70px,11vh,130px) clamp(18px,5vw,48px);background:linear-gradient(180deg,#17130d,#221a10)}
.safety__inner{max-width:var(--maxw);margin:0 auto}
.safety .section-head h2{color:#fbf5ec}
.safety__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.scard{background:rgba(255,255,255,.04);border:1px solid rgba(232,208,176,.14);border-radius:20px;padding:26px 24px;transition:transform .35s var(--ease),background .35s}
.scard:hover{transform:translateY(-5px);background:rgba(255,255,255,.07)}
.scard h3{font-size:18px;font-weight:800;color:var(--cream);margin-bottom:10px}
.scard p{font-size:14.5px;line-height:1.6;color:rgba(244,237,226,.66)}

/* download --------------------------------------------------------------- */
.download{padding:clamp(80px,13vh,150px) clamp(18px,5vw,48px);background:var(--bg);text-align:center}
.download__inner{max-width:760px;margin:0 auto}
.download h2{font-size:clamp(30px,4.6vw,54px);font-weight:800}
.download p{margin:18px 0 40px;font-size:18px;color:var(--muted)}
.download__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.store{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:var(--ink);color:#fbf5ec;padding:14px 26px;border-radius:16px;transition:transform .25s var(--ease),box-shadow .25s}
.store:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(23,19,13,.28)}
.store__k{font-weight:800;font-size:16px}
.store__s{font-size:12px;opacity:.6}
.store--soon{background:transparent;color:var(--ink);border:1px dashed rgba(23,19,13,.3)}
.store--soon:hover{box-shadow:none}

/* footer ----------------------------------------------------------------- */
.footer{background:var(--ink);color:rgba(244,237,226,.7);padding:60px clamp(18px,5vw,48px) 34px}
.footer__top{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(232,208,176,.12)}
.footer__brand img{height:30px;margin-bottom:12px;border-radius:8px}
.footer__brand p{font-size:14px;opacity:.6}
.footer__links{display:flex;gap:26px;font-size:14px;flex-wrap:wrap;align-items:center}
.footer__links a{opacity:.72;transition:opacity .2s}
.footer__links a:hover{opacity:1}
.footer__legal{max-width:var(--maxw);margin:24px auto 0;display:flex;gap:20px;flex-wrap:wrap;font-size:13px;opacity:.5}

/* reveal animation ------------------------------------------------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* responsive ------------------------------------------------------------- */
@media(max-width:900px){
  .nav__links{display:none}
  .hero__inner{grid-template-columns:1fr;gap:10px}
  .hero__stage{height:min(500px,110vw);margin-top:20px;order:2}
  .bento{grid-template-columns:1fr 1fr}
  .cell--wide{grid-column:span 2}
  .safety__grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .shot--lift{transform:none}
}
@media(max-width:560px){
  .bento{grid-template-columns:1fr}
  .cell--wide{grid-column:span 1}
  .safety__grid{grid-template-columns:1fr}
  .hero__title{font-size:clamp(38px,11vw,56px)}
  .phone--main{width:66%}.phone--side{width:56%;top:26%}
  .footer__top{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}