/* ============================================================
   Instacalorie landing
   Montserrat · green #29B468 · refined-minimal, Apple-grade
   ============================================================ */

:root{
  /* color roles */
  --bg:#FBFCFB; --surface:#FFFFFF; --surface-tint:#F4F8F5; --surface-mint:#EAF6EF;
  --accent:#29B468; --accent-strong:#229657; --accent-deep:#155A34;
  --accent-200:#D4F0E1; --accent-300:#94DAB4; --accent-400:#70CD9A;
  --ink:#17181C; --ink-2:#0F1013;
  --text:#17181C; --text-soft:#555555; --text-mute:#808080;
  --hair:rgba(23,24,28,.08);
  --on-dark:#FFFFFF; --on-dark-soft:#D5D5D5; --on-dark-mute:#AAAAAA;
  --dark-hair:rgba(255,255,255,.10);

  /* shadows (green-cast, soft) */
  --sh-chip:0 2px 6px rgba(8,36,21,.06), 0 8px 20px rgba(8,36,21,.09);
  --sh-card:0 1px 2px rgba(8,36,21,.04), 0 14px 34px rgba(8,36,21,.06);
  --sh-nav:0 8px 30px rgba(8,36,21,.07);
  --sh-phone:0 2px 8px rgba(8,36,21,.10), 0 20px 40px -22px rgba(8,36,21,.26), 0 34px 60px -46px rgba(20,90,52,.20);
  --sh-phone-soft:0 2px 8px rgba(8,36,21,.06), 0 18px 36px -24px rgba(8,36,21,.18);

  /* geometry */
  --r-sm:8px; --r-md:14px; --r-lg:20px; --r-xl:24px; --r-2xl:32px; --r-pill:999px;
  --container:1200px; --container-narrow:780px;
  --pad:clamp(1.25rem,5vw,2rem);
  --sec:clamp(4.5rem, 3rem + 5vw, 9rem);

  /* type */
  --font:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --fs-display:clamp(2.75rem,1.6rem + 5.6vw,5rem);
  --fs-h2:clamp(2rem,1.4rem + 3vw,3.25rem);
  --fs-h3:clamp(1.25rem,1.05rem + 1vw,1.5rem);
  --fs-lead:clamp(1.0625rem,1rem + .5vw,1.375rem);
  --fs-body:clamp(1rem,.97rem + .15vw,1.0625rem);
  --fs-small:.875rem; --fs-kicker:.75rem;

  /* motion */
  --ease-entrance:cubic-bezier(.16,.84,.44,1);
  --ease-hover:cubic-bezier(.33,0,.2,1);
  --ease-spring:cubic-bezier(.34,1.4,.46,1);
  --ease-glide:cubic-bezier(.45,0,.15,1);
  --dur-instant:90ms; --dur-fast:160ms; --dur-base:320ms; --dur-slow:560ms; --dur-xslow:820ms;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font);font-size:var(--fs-body);line-height:1.65;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.08;letter-spacing:-.02em;font-weight:600;text-wrap:balance}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:var(--accent-200);color:var(--accent-deep)}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad)}

.skip-link{
  position:fixed;left:50%;top:-100px;transform:translateX(-50%);z-index:200;
  background:var(--ink);color:#fff;padding:.7rem 1.1rem;border-radius:var(--r-md);
  font-size:var(--fs-small);font-weight:600;transition:top var(--dur-base) var(--ease-entrance)
}
.skip-link:focus{top:14px}

.progress{
  position:fixed;inset:0 0 auto 0;height:2px;z-index:150;
  background:linear-gradient(90deg,var(--accent),var(--accent-400));
  transform:scaleX(0);transform-origin:left;will-change:transform
}

/* ---------- buttons ---------- */
.btn{
  --bbg:var(--ink);--bfg:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:inherit;font-weight:600;font-size:var(--fs-small);
  color:var(--bfg);background:var(--bbg);
  padding:.85rem 1.4rem;min-height:46px;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--dur-fast) var(--ease-hover),
             box-shadow var(--dur-fast) var(--ease-hover),
             filter var(--dur-fast) var(--ease-hover),
             background-color var(--dur-fast) var(--ease-hover)
}
.btn--lg{padding:1.05rem 1.85rem;min-height:54px;font-size:1rem}
.btn--dark{box-shadow:0 1px 2px rgba(23,24,28,.10),0 10px 24px rgba(23,24,28,.14)}
.btn--green{--bbg:#1B7845;box-shadow:0 1px 2px rgba(8,36,21,.18),0 12px 30px rgba(27,120,69,.42)}
.btn--ghost{--bbg:transparent;--bfg:var(--ink);border-color:var(--hair);box-shadow:none}
.btn--ghost svg{transition:transform var(--dur-base) var(--ease-hover)}
@media (hover:hover) and (pointer:fine){
  .btn--dark:hover{transform:translateY(-2px);filter:brightness(1.12);box-shadow:0 2px 4px rgba(23,24,28,.12),0 16px 34px rgba(23,24,28,.22)}
  .btn--green:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 2px 6px rgba(8,36,21,.22),0 18px 40px rgba(27,120,69,.55)}
  .btn--ghost:hover{background:var(--surface);border-color:transparent;box-shadow:var(--sh-chip)}
  .btn--ghost:hover svg{transform:translateY(3px)}
}
.btn:active{transform:translateY(0) scale(.985);transition-duration:var(--dur-instant)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:120;padding:14px var(--pad);display:flex;justify-content:center}
.nav__pill{
  width:100%;max-width:var(--container);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.5rem .5rem .5rem 1rem;border-radius:var(--r-pill);
  background:transparent;border:1px solid transparent;
  transition:background-color var(--dur-base) var(--ease-hover),
             box-shadow var(--dur-base) var(--ease-hover),
             border-color var(--dur-base) var(--ease-hover),
             backdrop-filter var(--dur-base) var(--ease-hover);
}
.nav--scrolled .nav__pill{
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-color:var(--hair);box-shadow:var(--sh-nav)
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .nav--scrolled .nav__pill{background:rgba(255,255,255,.95)}
}
.nav__brand{display:flex;align-items:center;gap:.6rem;font-weight:600;font-size:1.05rem;letter-spacing:-.02em;color:var(--ink)}
.nav__logo{width:34px;height:34px;border-radius:9px;box-shadow:0 2px 8px rgba(8,36,21,.18)}
.nav__cta{font-size:.85rem;padding:.65rem 1.15rem;min-height:42px}
.nav__links{display:none;list-style:none;align-items:center;gap:1.9rem;margin:0;padding:0}
.nav__links a{position:relative;font-size:.9rem;font-weight:600;color:var(--ink);padding:.35rem 0}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:right;transition:transform var(--dur-fast) var(--ease-hover)}
.nav__links a:hover{color:var(--accent-strong)}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}
@media (min-width:760px){.nav__links{display:flex}}

/* ---------- shared section ---------- */
.section{padding-block:var(--sec);position:relative;scroll-margin-top:88px}
.section--tint{background:var(--surface-tint)}
.section__head{max-width:42ch;margin-bottom:clamp(2.5rem,5vw,4rem)}
.section__head--center{margin-inline:auto;text-align:center}
.kicker{
  font-size:var(--fs-kicker);font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent-strong);margin-bottom:.9rem
}
.kicker--on-dark{color:var(--accent-400)}
.lead{font-size:var(--fs-lead);line-height:1.5;color:var(--text-soft);max-width:52ch;text-wrap:pretty;margin-top:1.1rem}
.lead--on-dark{color:var(--on-dark-soft)}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(8rem,16vh,11rem);padding-bottom:clamp(3rem,7vw,6rem);overflow:hidden;isolation:isolate}
.aurora{position:absolute;inset:0;z-index:-1;overflow:hidden}
.aurora__blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.9}
.aurora__blob--a{width:62vw;height:62vw;left:-12vw;top:-18vw;background:radial-gradient(circle,rgba(112,205,154,.34),transparent 62%);animation:drift 22s ease-in-out infinite}
.aurora__blob--b{width:54vw;height:54vw;right:-10vw;top:-8vw;background:radial-gradient(circle,rgba(212,240,225,.7),transparent 60%);animation:drift 28s ease-in-out infinite reverse}
.aurora__blob--c{width:50vw;height:50vw;left:30vw;bottom:-26vw;background:radial-gradient(circle,rgba(148,218,180,.26),transparent 64%)}
@keyframes drift{
  0%{transform:translate3d(-4%,0,0) scale(1)}
  50%{transform:translate3d(6%,-3%,0) scale(1.12)}
  100%{transform:translate3d(-4%,0,0) scale(1)}
}
.hero__grid{display:grid;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero__copy{max-width:34rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:var(--fs-kicker);font-weight:600;letter-spacing:.07em;text-transform:uppercase;
  color:var(--accent-strong);background:var(--accent-200);
  padding:.5rem .85rem;border-radius:var(--r-pill);margin-bottom:1.4rem
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(41,180,104,.18)}
.hero__title{font-size:var(--fs-display);font-weight:700;letter-spacing:-.035em;line-height:1.02}
.hero__title .line{display:block}
.hero__title .accent{color:var(--accent-strong)}
.hero__lead{font-size:var(--fs-lead);line-height:1.5;color:var(--text-soft);max-width:40ch;margin-top:1.5rem;text-wrap:pretty}
.hero__actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2rem}
.hero__trust{font-size:var(--fs-small);color:var(--text-mute);margin-top:1.3rem;font-weight:500}

.hero__stage{position:relative;display:flex;justify-content:center}
.hero__phones{position:relative;width:min(86vw,380px);aspect-ratio:1/1.52}

/* ---------- device frame (pure CSS) ---------- */
/* --fr = frame outer radius, --bz = bezel thickness.
   Screen radius is always (--fr - --bz) so the bezel stays a uniform
   width around the curve. Pixel values keep corners circular (a single
   % radius on a tall element makes them elliptical/egg-shaped). */
.device{width:100%;--fr:34px;--bz:11px}
.device__frame{
  position:relative;width:100%;padding:var(--bz);
  background:linear-gradient(155deg,#26272C,#0B0B0D 55%);
  border-radius:var(--fr);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.07),inset 0 0 0 3px #050506,var(--sh-phone)
}
.device__frame::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.08)
}
.device__screen{
  position:relative;width:100%;aspect-ratio:var(--shot-ar,430/932);
  overflow:hidden;border-radius:calc(var(--fr) - var(--bz));background:#fff
}
.device__screen img{width:100%;height:100%;object-fit:cover;object-position:top center}
/* screenshots already contain their own status bar, so no overlay island */
.device__island{display:none}
.device__btn{position:absolute;background:#040405;border-radius:2px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.device__btn--pwr{right:-2px;top:30%;width:3px;height:9%}
.device__btn--vu{left:-2px;top:23%;width:3px;height:6%}
.device__btn--vd{left:-2px;top:33%;width:3px;height:10%}

.device--tilt-l{transform:rotate(-3deg)}
.device--tilt-r{transform:rotate(3deg)}

/* hero phone cluster */
.hero__phones .device--front{
  position:absolute;left:50%;top:0;width:64%;z-index:2;--fr:38px;--bz:12px;
  transform:translateX(-46%) rotate(-4deg) translate3d(var(--mx,0px),var(--my,0px),0)
}
.hero__phones .device--back{
  position:absolute;right:2%;top:13%;width:54%;z-index:1;opacity:.96;--fr:32px;--bz:10px;
  transform:rotate(6deg) translate3d(var(--mx,0px),var(--my,0px),0)
}
.hero-active .aurora,
.hero-active .hero__stage,
.hero-active .hero__phones .device{will-change:transform}
.hero-idle .aurora__blob{animation-play-state:paused}
.hero__phones .device--back .device__frame{box-shadow:inset 0 0 0 1px rgba(255,255,255,.06),inset 0 0 0 3px #050506,var(--sh-phone-soft)}

/* floating chips */
.chip{
  position:absolute;display:inline-flex;align-items:center;gap:.45rem;z-index:4;
  background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.7);box-shadow:var(--sh-chip);
  font-size:.8rem;font-weight:600;color:var(--ink);
  padding:.55rem .8rem;border-radius:var(--r-lg);white-space:nowrap;
  font-variant-numeric:tabular-nums
}
.chip small{font-size:.65rem;color:var(--text-mute);font-weight:600;margin-left:.15rem}
.chip b{color:var(--accent-strong)}
.chip__dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.chip--kcal{left:-6%;top:24%;font-size:.95rem;animation:float 7s ease-in-out infinite}
.chip--macro{right:-8%;top:50%;animation:float 8s ease-in-out infinite .6s}
.chip--goal{left:4%;bottom:6%;animation:float 6.5s ease-in-out infinite .3s}
.chip--goal svg{flex:none}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* scroll cue */
.cue{
  position:absolute;left:50%;bottom:clamp(1rem,3vw,2rem);transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:.3rem;
  font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-mute);opacity:.55;
  transition:opacity var(--dur-base) var(--ease-hover)
}
.cue svg{animation:nudge 1.8s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
.cue.is-hidden{opacity:0;pointer-events:none}

/* ---------- reassurance band ---------- */
.band{background:var(--surface-tint);padding-block:clamp(1.6rem,3vw,2.4rem);border-block:1px solid var(--hair)}
.band__line{text-align:center;font-size:var(--fs-small);font-weight:600;letter-spacing:.02em;color:var(--text-soft)}
.band__line i{color:var(--accent-300);font-style:normal;margin-inline:.4rem}

/* ---------- how it works ---------- */
.steps{display:flex;flex-direction:column;gap:clamp(3rem,7vw,6rem)}
.step{display:grid;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
.step__media{position:relative;display:flex;justify-content:center}
.step__num{
  position:absolute;left:-.2rem;top:-2.4rem;z-index:0;
  font-size:clamp(3.5rem,9vw,6rem);font-weight:700;line-height:1;
  color:var(--accent-300);opacity:.55;letter-spacing:-.04em
}
.step .device--step{width:clamp(178px,40vw,222px);position:relative;z-index:1;--fr:34px;--bz:11px}
.step__text h3{margin-bottom:.6rem}
.step__text p{color:var(--text-soft);max-width:34ch;font-size:var(--fs-lead);line-height:1.5}

/* ---------- features ---------- */
.cards{display:grid;gap:1.25rem}
.card{border-radius:var(--r-xl)}
.card--a{background:var(--accent-200)}
.card--b{background:var(--surface)}
.card--c{background:var(--surface-mint)}
.card--b{border:1px solid var(--hair)}
.card__inner{
  position:relative;padding:clamp(1.6rem,3vw,2.2rem);border-radius:inherit;height:100%;
  transition:transform var(--dur-base) var(--ease-hover),box-shadow var(--dur-base) var(--ease-hover)
}
.card__inner::before{
  content:"";position:absolute;left:clamp(1.6rem,3vw,2.2rem);right:clamp(1.6rem,3vw,2.2rem);top:0;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur-base) var(--ease-hover)
}
.card__ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:var(--r-md);
  background:rgba(255,255,255,.6);color:var(--accent-strong);margin-bottom:1.1rem
}
.card--b .card__ico{background:var(--surface-tint)}
.card h3{margin-bottom:.45rem}
.card p{color:var(--text-soft);font-size:var(--fs-body)}
@media (hover:hover) and (pointer:fine){
  .card:hover .card__inner{transform:translateY(-6px);box-shadow:var(--sh-card)}
  .card:hover .card__inner::before{transform:scaleX(1)}
}

/* ---------- split (dashboard / history) ---------- */
.split__grid{display:grid;gap:clamp(2.5rem,6vw,5rem);align-items:center}
.split__media{display:flex;justify-content:center}
.split .device--show{width:clamp(196px,24vw,242px);--fr:36px;--bz:12px}
.facts{list-style:none;margin-top:1.8rem;display:flex;flex-direction:column;gap:.7rem}
.facts li{display:flex;align-items:flex-start;gap:.75rem;font-weight:500;color:var(--text)}
.facts__mk{flex:none;width:16px;height:2px;border-radius:2px;background:var(--accent-300);margin-top:.78em}

/* ---------- AI engine (dark) + signature scan ---------- */
.engine{background:var(--ink);color:var(--on-dark);overflow:hidden;isolation:isolate}
.engine::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,rgba(41,180,104,.5),transparent)}
.engine__glow{position:absolute;inset:0;z-index:-1;background:radial-gradient(46% 46% at 62% 38%,rgba(41,180,104,.30),transparent 70%),radial-gradient(40% 40% at 10% 90%,rgba(20,90,52,.25),transparent 70%)}
.engine__grid{display:grid;gap:clamp(2.5rem,6vw,4.5rem);align-items:center}
.engine h2{color:#fff}
.tiles{display:grid;gap:.85rem;margin-top:2.2rem}
.tile{
  background:rgba(255,255,255,.04);border:1px solid var(--dark-hair);
  border-radius:var(--r-md);padding:1rem 1.2rem;display:flex;flex-direction:column;gap:.15rem
}
.tile b{font-size:1.05rem;color:#fff;font-weight:600}
.tile span{font-size:var(--fs-small);color:var(--on-dark-mute)}

.engine__visual{display:flex;justify-content:center}
.scan{width:clamp(192px,24vw,244px);--fr:36px;--bz:12px}
.scan .device__screen{background:#0c0c0e}
.scan__reticle{position:absolute;inset:14% 12% 30% 12%;z-index:2;opacity:0;transform:scale(1.06)}
.scan__reticle i{position:absolute;width:22px;height:22px;border:2.5px solid var(--accent-400)}
.scan__reticle i:nth-child(1){left:0;top:0;border-right:0;border-bottom:0;border-radius:6px 0 0 0}
.scan__reticle i:nth-child(2){right:0;top:0;border-left:0;border-bottom:0;border-radius:0 6px 0 0}
.scan__reticle i:nth-child(3){left:0;bottom:0;border-right:0;border-top:0;border-radius:0 0 0 6px}
.scan__reticle i:nth-child(4){right:0;bottom:0;border-left:0;border-top:0;border-radius:0 0 6px 0}
.scan__beam{
  position:absolute;left:0;right:0;top:0;height:70px;z-index:2;opacity:0;
  background:linear-gradient(180deg,transparent,rgba(41,180,104,.28) 70%,rgba(41,180,104,.85));
  box-shadow:0 0 22px 6px rgba(41,180,104,.45)
}
.scan__beam::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent-400)}
.scan__chip{
  position:absolute;z-index:4;display:inline-flex;align-items:center;gap:.4rem;
  font-size:.74rem;font-weight:600;color:var(--ink);
  background:rgba(255,255,255,.94);border-radius:var(--r-md);
  padding:.42rem .62rem;box-shadow:0 8px 20px rgba(0,0,0,.3);
  opacity:0;transform:translateY(8px) scale(.86);font-variant-numeric:tabular-nums
}
.scan__dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.scan__chip--1{left:6%;top:20%}
.scan__chip--2{right:5%;top:38%}
.scan__chip--3{left:9%;bottom:30%}
.scan__chip--4{right:8%;bottom:22%}

.scan--run .scan__reticle{animation:retIn .26s var(--ease-entrance) forwards}
.scan--run .scan__beam{animation:beam 1.06s var(--ease-glide) .18s forwards}
.scan--run .scan__chip{animation:chipPop .36s var(--ease-spring) forwards}
.scan--run .scan__chip--1{animation-delay:1s}
.scan--run .scan__chip--2{animation-delay:1.09s}
.scan--run .scan__chip--3{animation-delay:1.18s}
.scan--run .scan__chip--4{animation-delay:1.27s}
.scan--run .scan__reticle{animation:retIn .26s var(--ease-entrance) forwards,retFade .4s ease 1.1s forwards}
@keyframes retIn{to{opacity:.75;transform:scale(1)}}
@keyframes retFade{to{opacity:.18}}
@keyframes beam{
  0%{opacity:0;transform:translateY(0)}
  12%{opacity:.95}
  80%{opacity:.95}
  100%{opacity:0;transform:translateY(calc(100% + 70px))}
}
@keyframes chipPop{to{opacity:1;transform:translateY(0) scale(1)}}

/* ---------- showcase mosaic ---------- */
.showcase .mosaic{
  display:flex;gap:1rem;padding:2.5rem var(--pad) .5rem;
  overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:none
}
.showcase .mosaic::-webkit-scrollbar{display:none}
.mosaic__item{flex:0 0 auto;scroll-snap-align:center}
.device--mini{width:clamp(170px,52vw,210px);--fr:30px;--bz:9px}

/* ---------- faq ---------- */
.faq__list{max-width:760px;margin-inline:auto;display:flex;flex-direction:column;gap:.7rem}
.faq__item{background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-lg);transition:border-color var(--dur-base) var(--ease-hover),box-shadow var(--dur-base) var(--ease-hover)}
.faq__item[open]{border-color:transparent;box-shadow:var(--sh-card)}
.faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:1.25rem;padding:1.15rem 1.35rem;font-weight:600;font-size:1.0625rem;
  color:var(--ink);line-height:1.4
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{color:var(--accent-strong)}
.faq__icon{position:relative;flex:none;width:18px;height:18px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--accent-strong);border-radius:2px;transition:transform var(--dur-base) var(--ease-hover)}
.faq__icon::before{left:0;top:8px;width:18px;height:2px}
.faq__icon::after{left:8px;top:0;width:2px;height:18px}
.faq__item[open] .faq__icon::after{transform:scaleY(0)}
.faq__a{padding:0 1.35rem 1.25rem}
.faq__a p{margin-top:-.15rem;color:var(--text-soft);font-size:var(--fs-body);line-height:1.6;max-width:64ch}

/* ---------- closer ---------- */
.closer{background:var(--ink);color:#fff;text-align:center;overflow:hidden;isolation:isolate}
.closer__glow{position:absolute;inset:0;z-index:-1;background:radial-gradient(50% 60% at 50% 35%,rgba(41,180,104,.34),transparent 70%)}
.closer__inner{max-width:var(--container-narrow);margin-inline:auto;display:flex;flex-direction:column;align-items:center}
.closer h2{color:#fff;font-size:clamp(2.25rem, 1.5rem + 4vw, 4rem)}
.closer .lead{margin-bottom:2.2rem}
.closer__note{font-size:var(--fs-small);color:var(--on-dark-mute);margin-top:1.1rem}

/* ---------- footer ---------- */
.footer{background:var(--surface-tint);border-top:1px solid var(--hair);padding-block:clamp(2.5rem,5vw,3.5rem)}
.footer__grid{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:space-between;align-items:center}
.footer__brand{display:flex;align-items:center;gap:.8rem}
.footer__brand img{width:34px;height:34px;border-radius:9px}
.footer__brand>div{display:flex;flex-direction:column;gap:2px}
.footer__brand strong{font-size:1rem;letter-spacing:-.02em;color:var(--ink);line-height:1.15}
.footer__brand span{font-size:var(--fs-small);color:var(--text-mute);line-height:1.25}
.footer__meta{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem;font-size:var(--fs-small)}
.footer__meta a{font-weight:600;color:var(--accent-strong)}
.footer__meta a:hover{text-decoration:underline}
.footer__meta span{color:var(--text-soft)}
.footer__meta small{color:var(--text-mute)}

/* ============================================================
   load + reveal animation (only when JS is present)
   ============================================================ */
.js .lift{opacity:0;transform:translateY(18px);
  transition:opacity var(--dur-slow) var(--ease-entrance),
             transform var(--dur-slow) var(--ease-entrance),
             filter var(--dur-slow) var(--ease-entrance)}
.js .lift--blur{filter:blur(8px)}
.js .lift--phone{transform:translateY(40px) scale(.955)}
.js.is-loaded .lift{opacity:1;transform:none;filter:none;transition-delay:var(--d,0ms)}

.js .reveal{opacity:0;transform:translateY(28px);
  transition:opacity var(--dur-base) var(--ease-entrance),
             transform var(--dur-base) var(--ease-entrance)}
.js [data-stagger] .reveal{transition-delay:calc(min(var(--i,0),5) * 70ms)}
.js .reveal.is-in{opacity:1;transform:none}

/* ============================================================
   responsive
   ============================================================ */
@media (min-width:640px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .footer__meta{flex-direction:row;align-items:center;gap:1.2rem}
}
@media (min-width:900px){
  .hero{padding-top:clamp(9rem,18vh,13rem)}
  .hero__grid{grid-template-columns:1.05fr .95fr}
  .hero__phones{width:min(100%,440px)}
  .step{grid-template-columns:1fr 1fr}
  .step--reverse .step__media{order:2}
  .step__text{padding-left:1rem}
  .step--reverse .step__text{padding-left:0;padding-right:1rem}
  .split__grid{grid-template-columns:1fr 1fr}
  .split__grid--rev .split__media{order:0}
  .engine__grid{grid-template-columns:1.05fr .95fr}
  .showcase .mosaic{
    overflow:visible;justify-content:center;align-items:center;
    flex-wrap:nowrap;gap:0;padding-block:3.5rem 1.5rem
  }
  .mosaic__item{transform:rotate(var(--rot)) translateY(calc(var(--i) * 0px));margin-inline:-1.6%}
  .mosaic__item:nth-child(even){margin-top:2rem}
  .mosaic__item:nth-child(odd){margin-bottom:2rem}
  .device--mini{width:clamp(132px,11.5vw,164px);--fr:24px;--bz:8px;transition:transform var(--dur-base) var(--ease-hover)}
  .mosaic__item:hover{position:relative;z-index:5}
  .mosaic__item:hover .device--mini{transform:scale(1.05)}
}
@media (min-width:1200px){
  .step{gap:5rem}
  .split__grid{gap:6rem}
}

/* ============================================================
   reduced motion
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .aurora__blob,.chip,.cue svg{animation:none!important}
  .js .lift,.js .reveal{transform:none!important;filter:none!important;
    transition:opacity var(--dur-fast) ease;transition-delay:0ms!important}
  .js .lift--phone{transform:none!important}
  .scan--run .scan__reticle{animation:retIn .3s ease forwards}
  .scan--run .scan__beam{display:none}
  .scan--run .scan__chip{animation:chipPop .3s ease forwards}
  .scan--run .scan__chip--1{animation-delay:.1s}
  .scan--run .scan__chip--2{animation-delay:.2s}
  .scan--run .scan__chip--3{animation-delay:.3s}
  .scan--run .scan__chip--4{animation-delay:.4s}
  @keyframes chipPop{to{opacity:1;transform:none}}
  .btn:active{transform:none}
  @media (hover:hover){
    .btn--dark:hover,.btn--green:hover,.card:hover .card__inner,.mosaic__item:hover .device--mini{transform:none}
  }
}