/* ============================================================
   SkinTech Polska — Interaktywny katalog 2026
   Motyw: ciemny (domyślny) + jasny (data-theme="light")
   ============================================================ */
:root{
  --teal:#29D3F0;
  --purple:#A678FF;
  --grad:linear-gradient(125deg,#29D3F0 0%,#7C8BFF 50%,#A678FF 100%);
  --grad-soft:linear-gradient(125deg,rgba(41,211,240,.18),rgba(166,120,255,.18));

  --bg:#07070e;
  --bg-2:#0b0c17;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09);
  --txt:#EEF0FA;
  --txt-2:#aab0cc;
  --muted:#7f86a6;

  --stage:#06070d;
  --book-shadow:0 50px 110px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.04);
  --glow-1:rgba(41,211,240,.55);
  --glow-2:rgba(166,120,255,.55);
  --footer-bg:#04050a;
  --grain:.05;
  --aurora-op:.9;
  --vignette:rgba(4,5,12,.85);
  --card:rgba(255,255,255,.04);
  --card-line:rgba(255,255,255,.08);
  --shadow:0 24px 60px rgba(0,0,0,.5);

  --maxw:1220px;
  --r:20px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
[data-theme="light"]{
  --teal:#0FA3C9;
  --purple:#7B4BA3;
  --grad:linear-gradient(125deg,#16A9D8 0%,#6E6CE0 50%,#7B4BA3 100%);
  --grad-soft:linear-gradient(125deg,rgba(22,169,216,.12),rgba(123,75,163,.12));

  --bg:#eef1f8;
  --bg-2:#e6eaf5;
  --surface:rgba(255,255,255,.8);
  --surface-2:#ffffff;
  --line:rgba(20,24,48,.1);
  --txt:#161a33;
  --txt-2:#454c70;
  --muted:#7a82a3;

  --stage:#e9edf7;
  --book-shadow:0 40px 90px rgba(27,34,64,.28),0 0 0 1px rgba(27,34,64,.05);
  --glow-1:rgba(22,169,216,.35);
  --glow-2:rgba(123,75,163,.35);
  --footer-bg:#0d1430;
  --grain:.025;
  --aurora-op:.5;
  --vignette:rgba(233,237,247,.6);
  --card:#ffffff;
  --card-line:rgba(27,34,64,.07);
  --shadow:0 24px 55px rgba(27,34,64,.13);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:124px}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.65;overflow-x:hidden;
  transition:background .5s ease,color .5s ease;
}
body::before{ /* grain */
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:var(--grain);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
  transition:opacity .5s;
}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.08;letter-spacing:-.02em;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
section{position:relative;z-index:2}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.outline{-webkit-text-stroke:1.5px var(--txt);color:transparent}
[data-theme="light"] .outline{-webkit-text-stroke-width:1.2px}

/* ---------- Scroll progress ---------- */
.scroll-prog{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;background:var(--grad);box-shadow:0 0 12px var(--glow-1);transition:width .1s linear}

/* ---------- Loader ---------- */
.loader{position:fixed;inset:0;z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
  background:radial-gradient(circle at 50% 45%,#10122a,#05060c 70%);transition:opacity .6s,visibility .6s}
.loader.hide{opacity:0;visibility:hidden}
.loader__core{display:flex;gap:9px}
.loader__core span{width:13px;height:13px;border-radius:50%;background:var(--grad);animation:bounce 1s var(--ease) infinite}
.loader__core span:nth-child(2){animation-delay:.13s}
.loader__core span:nth-child(3){animation-delay:.26s}
@keyframes bounce{0%,80%,100%{transform:scale(.5);opacity:.4}40%{transform:scale(1);opacity:1}}
.loader__brand{font-family:'Space Grotesk';font-weight:700;font-size:1.7rem;color:#fff;letter-spacing:-.02em}
.loader__brand i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-left:6px}
.loader__sub{color:rgba(255,255,255,.4);font-size:.78rem;letter-spacing:.28em;text-transform:uppercase}

/* ---------- Nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:150;display:flex;align-items:center;justify-content:space-between;
  padding:11px clamp(16px,4vw,46px);transition:padding .35s var(--ease)}
/* tło + backdrop-filter na ::before — żeby .nav NIE tworzyło containing block dla position:fixed
   potomków (.nav__links na mobile). Inaczej menu hamburgera skarla się przy scrollu. */
.nav::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .35s,backdrop-filter .35s,-webkit-backdrop-filter .35s,border-color .35s}
.nav.scrolled::before{background:color-mix(in srgb,var(--bg) 72%,transparent);
  backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  border-color:var(--line)}
.nav.scrolled{padding:8px clamp(16px,4vw,46px)}
.brand{display:flex;align-items:center;flex:none}
.brand__text{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.32rem;
  color:var(--txt);letter-spacing:-.02em;line-height:1;white-space:nowrap;
  transition:transform .25s var(--ease),opacity .25s}
.brand__text i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;margin-left:5px}
.brand:hover .brand__text{transform:translateY(-1px)}
/* Duży znak SkinTech pod paskiem nawigacji, lewa krawędź sekcji hero */
.brand-stamp{position:absolute;top:104px;left:clamp(16px,4vw,46px);z-index:6;
  display:block;line-height:0;
  transition:transform .3s var(--ease),filter .3s}
.brand-stamp__img{display:block;height:240px;width:auto;
  filter:drop-shadow(0 14px 34px rgba(0,0,0,.55));
  transition:transform .3s var(--ease);
  animation:brandFloat 6.5s ease-in-out infinite;
  transform-origin:50% 60%;will-change:transform}
/* Animacja tylko na transformie (GPU-only) — drop-shadow statyczny żeby nie repaintować co klatkę. */
.brand-stamp:hover .brand-stamp__img{animation-play-state:paused;
  transform:translateY(-4px) scale(1.03)}
@keyframes brandFloat{
  0%,100% {transform:translateY(0)    rotate(0deg)    scale(1)}
  50%     {transform:translateY(-8px) rotate(-1deg)   scale(1.012)}
}
@media (prefers-reduced-motion: reduce){
  .brand-stamp__img{animation:none}
}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{font-weight:500;font-size:.94rem;color:var(--txt-2);position:relative;transition:color .2s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-7px;height:2px;width:0;background:var(--grad);transition:width .3s var(--ease)}
.nav__links a:hover{color:var(--txt)}
.nav__links a:hover::after{width:100%}
.nav__side{display:flex;align-items:center;gap:14px}
.theme-toggle{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--txt);
  cursor:pointer;display:grid;place-items:center;transition:transform .35s var(--ease),background .25s,border-color .25s}
.theme-toggle:hover{transform:rotate(18deg);border-color:var(--teal)}
.theme-toggle svg{width:19px;height:19px}
.theme-toggle .ic-sun{display:none}
[data-theme="light"] .theme-toggle .ic-sun{display:block}
[data-theme="light"] .theme-toggle .ic-moon{display:none}
.nav__cta{font-family:'Space Mono';font-size:.86rem;font-weight:700;padding:10px 18px;border-radius:50px;color:#06070d;
  background:var(--grad);box-shadow:0 10px 30px var(--glow-1);transition:transform .25s var(--ease),box-shadow .25s}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 14px 36px var(--glow-2)}
.nav__burger{display:none;position:relative;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:9px;
  border-radius:50%;transition:background .25s,box-shadow .25s,transform .25s}
.nav__burger span{width:22px;height:2.4px;background:var(--txt);border-radius:2px;transition:opacity .25s}
/* OTWARTE menu = tealowa pigułka + biały X rysowany pseudoelementami ::before/::after.
   Spany całkowicie ukryte (na Safari iOS transformy 3-spanowej animacji potrafią się
   nie renderować). Pseudoelementy są niezależne — gwarantowana widoczność. */
.nav__burger.open{background:var(--teal);
  box-shadow:0 0 0 2px var(--teal),0 8px 22px rgba(0,0,0,.45)}
.nav__burger.open span{opacity:0}
.nav__burger.open::before,
.nav__burger.open::after{
  content:"";position:absolute;top:50%;left:50%;
  width:22px;height:3px;background:#fff;border-radius:2px;
  pointer-events:none}
.nav__burger.open::before{transform:translate(-50%,-50%) rotate(45deg)}
.nav__burger.open::after{transform:translate(-50%,-50%) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-start;padding:110px clamp(16px,4vw,46px) 90px;overflow:hidden}
.hero__copy{padding-left:clamp(260px,22vw,320px)}
.aurora{position:absolute;inset:0;z-index:0;overflow:hidden;opacity:var(--aurora-op);transition:opacity .5s}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px)}
.aurora__a{width:620px;height:620px;background:radial-gradient(circle,var(--glow-1),transparent 68%);top:-220px;left:-120px;animation:float1 20s ease-in-out infinite}
.aurora__b{width:560px;height:560px;background:radial-gradient(circle,var(--glow-2),transparent 68%);bottom:-240px;right:-140px;animation:float1 24s ease-in-out infinite reverse}
.aurora__c{width:420px;height:420px;background:radial-gradient(circle,rgba(124,139,255,.45),transparent 70%);top:35%;left:46%;animation:float1 28s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(60px,-50px) scale(1.12)}}
.mesh{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(circle at 50% 45%,#000,transparent 72%);opacity:.6}
.hero__inner{max-width:var(--maxw);margin:0 auto;width:100%;display:grid;grid-template-columns:1.08fr .92fr;gap:50px;align-items:center;position:relative;z-index:2}
.tag{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--txt-2);background:var(--surface);border:1px solid var(--line);padding:8px 16px;border-radius:50px;margin-bottom:26px}
.tag i{width:7px;height:7px;border-radius:50%;background:var(--grad);box-shadow:0 0 10px var(--glow-1);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(2.5rem,6vw,4.7rem);font-weight:700;margin-bottom:22px;letter-spacing:-.03em}
.lead{font-size:1.1rem;color:var(--txt-2);max-width:500px;margin-bottom:36px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:600;font-size:1rem;padding:16px 32px;border-radius:50px;border:0;cursor:pointer;transition:transform .28s var(--ease),box-shadow .28s,background .3s,color .3s}
.btn__ar{transition:transform .28s var(--ease)}
.btn:hover .btn__ar{transform:translateX(5px)}
.btn--solid{background:var(--grad);color:#06070d;box-shadow:0 16px 40px var(--glow-1)}
.btn--solid:hover{transform:translateY(-3px);box-shadow:0 22px 52px var(--glow-2)}
.btn--line{background:var(--surface);color:var(--txt);border:1px solid var(--line)}
.btn--line:hover{transform:translateY(-3px);border-color:var(--teal);background:var(--surface-2)}
.btn--full{width:100%;justify-content:center}
.hero__stats{display:flex;gap:34px;flex-wrap:wrap}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats b{font-family:'Space Grotesk';font-size:1.7rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__stats span{font-size:.82rem;color:var(--muted)}

.hero__visual{position:relative;display:flex;justify-content:center;align-items:center;perspective:1600px;min-height:440px}
.pedestal{position:absolute;bottom:2%;left:50%;translate:-50% 0;width:78%;height:120px;border-radius:50%;
  background:radial-gradient(ellipse,var(--glow-2),transparent 70%);filter:blur(26px);opacity:.85}
.book3d{position:relative;width:min(330px,70vw);border-radius:6px 12px 12px 6px;overflow:hidden;
  box-shadow:var(--book-shadow);transform:rotateY(-22deg) rotateX(7deg);transform-style:preserve-3d;
  transition:transform .5s var(--ease);will-change:transform;animation:bob 6s ease-in-out infinite}
.book3d img{width:100%;height:auto;display:block}
.book3d__spine{position:absolute;left:0;top:0;bottom:0;width:14px;background:linear-gradient(90deg,rgba(0,0,0,.45),transparent);z-index:2}
.book3d__sheen{position:absolute;inset:0;background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.4) 50%,transparent 62%);transform:translateX(-110%);animation:sheen 6s ease-in-out infinite 1.4s}
@keyframes sheen{0%,55%{transform:translateX(-110%)}82%,100%{transform:translateX(120%)}}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 -18px}}
.scroller{position:absolute;bottom:24px;left:50%;translate:-50% 0;width:24px;height:40px;border:2px solid var(--line);border-radius:13px;z-index:2}
.scroller span{position:absolute;top:7px;left:50%;translate:-50% 0;width:4px;height:8px;border-radius:2px;background:var(--grad);animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;top:7px}30%{opacity:1}70%{opacity:1;top:21px}100%{opacity:0;top:21px}}

/* ---------- Marquee ---------- */
.marquee{position:relative;z-index:2;overflow:hidden;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.marquee__track{display:flex;width:max-content;animation:scroll 34s linear infinite}
.marquee__track span{font-family:'Space Grotesk';font-weight:600;font-size:1.05rem;color:var(--txt-2);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ---------- Section head ---------- */
.sec-head{max-width:680px;margin:0 auto clamp(40px,6vw,66px);text-align:center;padding:0 18px}
.sec-kick{display:inline-block;font-family:'Space Mono';font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--teal);margin-bottom:16px}
.sec-head h2{font-size:clamp(2rem,4.6vw,3.3rem);margin-bottom:16px}
.sec-head p{color:var(--txt-2);font-size:1.05rem}

/* ---------- Flipbook ---------- */
.catalog{padding:clamp(70px,9vw,120px) clamp(12px,4vw,46px);background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.book-wrap{max-width:1920px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:clamp(8px,2vw,30px);position:relative}
.stage-glow{position:absolute;top:50%;left:50%;translate:-50% -50%;width:min(880px,92%);height:min(880px,92%);
  background:radial-gradient(circle,var(--glow-2) 0%,var(--glow-1) 35%,transparent 66%);filter:blur(70px);opacity:.5;
  animation:breathe 7s ease-in-out infinite;pointer-events:none}
@keyframes breathe{0%,100%{opacity:.42;transform:translate(-50%,-50%) scale(1)}50%{opacity:.62;transform:translate(-50%,-50%) scale(1.07)}}
.book-stage{flex:1;min-width:0;display:flex;justify-content:center;position:relative;z-index:2}
.flipbook{margin:0 auto;touch-action:pan-y;filter:drop-shadow(0 40px 70px rgba(0,0,0,.55))}
.flipbook .page{background:#fff;overflow:hidden}
.flipbook .page img{width:100%;height:100%;object-fit:cover;-webkit-user-drag:none;user-select:none}
.flipbook .page--skeleton{display:flex;align-items:center;justify-content:center;background:#11131f;color:#3a3f57;font-family:'Space Mono'}

.nav-arrow{flex:none;width:clamp(48px,5vw,62px);height:clamp(48px,5vw,62px);border-radius:50%;cursor:pointer;z-index:3;
  background:var(--surface);border:1px solid var(--line);color:var(--txt);backdrop-filter:blur(10px);
  display:grid;place-items:center;transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s}
.nav-arrow svg{width:46%;height:46%}
.nav-arrow:hover{background:var(--grad);color:#06070d;transform:scale(1.1);border-color:transparent;box-shadow:0 14px 34px var(--glow-1)}
.nav-arrow:disabled{opacity:.25;cursor:not-allowed;transform:none;background:var(--surface);color:var(--txt)}

.hud{max-width:540px;margin:38px auto 0;display:flex;align-items:center;gap:10px;padding:12px 18px;
  background:var(--surface);border:1px solid var(--line);border-radius:50px;backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.hud__btn{width:38px;height:38px;flex:none;border-radius:50%;border:0;background:transparent;color:var(--txt-2);
  cursor:pointer;font-size:1rem;display:grid;place-items:center;transition:background .2s,color .2s,transform .2s}
.hud__btn:hover{background:var(--surface-2);color:var(--teal);transform:translateY(-2px)}
.hud__btn[aria-pressed="false"]{opacity:.4}
.hud__btn--hide{display:none}
.hud__count{font-family:'Space Mono';font-size:.92rem;color:var(--txt);white-space:nowrap;padding:0 4px;display:flex;align-items:center;gap:5px}
.hud__count b{color:var(--teal)}
.hud__count i{color:var(--muted);font-style:normal}
.hud__count #totPage{color:var(--muted)}
.hud__bar{flex:1;height:4px;min-width:60px;background:var(--line);border-radius:4px;overflow:hidden}
.hud__bar span{display:block;height:100%;width:3%;background:var(--grad);border-radius:4px;box-shadow:0 0 10px var(--glow-1);transition:width .5s var(--ease)}

/* ---------- Thumbnails ---------- */
.thumbs{position:fixed;inset:0;z-index:120;background:rgba(4,5,12,.96);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;padding:24px clamp(16px,4vw,52px);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.thumbs.open{opacity:1;visibility:visible}
.thumbs__head{display:flex;align-items:center;justify-content:space-between;color:#fff;margin-bottom:22px}
.thumbs__head h3{font-size:1.3rem}
.thumbs__close{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:1.05rem;cursor:pointer;transition:background .2s}
.thumbs__close:hover{background:rgba(255,255,255,.16)}
.thumbs__grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:14px;padding-bottom:20px}
.thumbs__grid figure{position:relative;cursor:pointer;border-radius:9px;overflow:hidden;border:1px solid rgba(255,255,255,.1);transition:transform .25s var(--ease),border-color .25s,box-shadow .25s}
.thumbs__grid figure:hover{transform:translateY(-5px) scale(1.04);border-color:var(--teal);box-shadow:0 16px 36px var(--glow-1)}
.thumbs__grid figcaption{position:absolute;inset:auto 0 0 0;text-align:center;font-family:'Space Mono';font-size:.72rem;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.7));padding:16px 0 6px}

/* ---------- Powiększanie strony katalogu (pinch-zoom) ---------- */
.zoom{position:fixed;inset:0;z-index:200;display:none;flex-direction:column;
  background:rgba(4,5,12,.97);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.zoom.open{display:flex}
.zoom__top{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:calc(14px + env(safe-area-inset-top)) clamp(12px,3vw,28px) 8px}
.zoom__hint{font-size:.82rem;line-height:1.5;color:rgba(255,255,255,.66)}
.zoom__x{flex:none;width:46px;height:46px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;
  font-size:1.15rem;display:grid;place-items:center;
  transition:background .2s,color .2s,border-color .2s}
.zoom__x:hover{background:var(--grad);color:#06070d;border-color:transparent}
.zoom__stage{flex:1;overflow:hidden;display:flex;align-items:center;justify-content:center;
  touch-action:none;cursor:zoom-in;user-select:none}
.zoom__stage.grabbing{cursor:grabbing}
.zoom__canvas{will-change:transform;transform-origin:center center;
  filter:drop-shadow(0 26px 54px rgba(0,0,0,.6))}
.zoom__canvas img{display:block;width:100%;height:100%;
  border-radius:4px;background:#fff;-webkit-user-drag:none;user-select:none}
.zoom__ctrl{display:flex;align-items:center;justify-content:center;gap:10px;
  padding:10px clamp(12px,3vw,28px) calc(16px + env(safe-area-inset-bottom))}
.zoom__btn{min-width:50px;height:48px;padding:0 18px;border-radius:50px;cursor:pointer;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.2rem;
  transition:background .2s,border-color .2s,transform .14s}
.zoom__btn--wide{font-size:.92rem;letter-spacing:.02em}
.zoom__btn:hover{border-color:var(--teal);background:rgba(255,255,255,.12)}
.zoom__btn:active{transform:scale(.93)}

/* ---------- Systems ---------- */
.systems{padding:clamp(70px,9vw,120px) clamp(18px,4vw,46px)}
.sys-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sys-card{position:relative;background:var(--card);border:1px solid var(--card-line);border-radius:var(--r);padding:30px 24px;
  overflow:hidden;transition:transform .4s var(--ease),border-color .4s,background .4s;opacity:0;transform:translateY(30px)}
.sys-card.in{opacity:1;transform:none}
.sys-card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.sys-card:hover{transform:translateY(-8px);background:var(--surface-2)}
.sys-card:hover::before{opacity:1}
.sys-card__no{position:absolute;top:18px;right:22px;font-family:'Space Mono';font-size:1.4rem;color:var(--line)}
.sys-card__ic{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:18px;
  background:var(--grad-soft);border:1px solid var(--card-line)}
.sys-card h3{font-size:1.06rem;margin-bottom:8px}
.sys-card p{font-size:.9rem;color:var(--txt-2)}

.trust{max-width:var(--maxw);margin:50px auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.trust__i{display:flex;align-items:center;gap:10px;font-size:.92rem;color:var(--txt-2);
  background:var(--surface);border:1px solid var(--line);padding:12px 22px;border-radius:50px}
.trust__i b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Contact ---------- */
.contact{padding:clamp(70px,9vw,120px) clamp(18px,4vw,46px);background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.contact__grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(34px,5vw,72px);align-items:center}
.contact__intro h2{font-size:clamp(2rem,4.4vw,3.1rem);margin-bottom:18px}
.contact__intro p{color:var(--txt-2);font-size:1.05rem;margin-bottom:30px;max-width:430px}
.contact__list{list-style:none;display:flex;flex-direction:column;gap:14px}
.contact__list li{display:flex;align-items:center;gap:14px;font-weight:500;color:var(--txt)}
.contact__list .ci{width:44px;height:44px;flex:none;border-radius:13px;display:grid;place-items:center;font-size:1.05rem;background:var(--surface);border:1px solid var(--line)}
.contact__list a:hover{color:var(--teal)}

.form{background:var(--card);border:1px solid var(--card-line);border-radius:24px;padding:clamp(26px,4vw,42px);box-shadow:var(--shadow)}
.field{position:relative;margin-bottom:20px}
.field input{width:100%;padding:18px 16px 14px;border:1px solid var(--line);border-radius:13px;font:inherit;font-size:1rem;
  color:var(--txt);background:var(--surface);transition:border-color .2s,box-shadow .2s,background .2s}
.field input:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 4px var(--grad-soft);background:var(--surface-2)}
.field label{position:absolute;left:16px;top:16px;color:var(--muted);font-size:1rem;pointer-events:none;transition:.18s var(--ease)}
.field input:focus+label,.field input:not(:placeholder-shown)+label{top:-9px;left:12px;font-size:.74rem;font-weight:600;color:var(--teal);background:var(--bg);padding:0 7px;border-radius:4px}
[data-theme="light"] .field input:focus+label,[data-theme="light"] .field input:not(:placeholder-shown)+label{background:var(--surface-2)}
.field small{display:block;color:#ff6b6b;font-size:.78rem;font-weight:600;margin:6px 4px 0;min-height:0;transition:min-height .2s}
.field.err input{border-color:#ff6b6b}
.field.err small{min-height:16px}
.consent{display:flex;gap:11px;align-items:flex-start;font-size:.86rem;color:var(--txt-2);margin-bottom:22px;cursor:pointer;line-height:1.45}
.consent input{margin-top:3px;width:18px;height:18px;accent-color:var(--purple);flex:none;cursor:pointer}
.form__note{text-align:center;font-weight:600;font-size:.92rem;margin-top:16px;min-height:1.2em}
.form__note.ok{color:#34d399}
.form__note.bad{color:#ff6b6b}
.form__rodo{font-size:.74rem;line-height:1.55;color:var(--muted);margin-top:14px}
.form__rodo a{color:var(--txt-2);text-decoration:underline;text-underline-offset:2px}
.form__rodo a:hover{color:var(--teal)}
.btn--full[disabled]{opacity:.6;cursor:wait}

/* ---------- Footer ---------- */
.footer{position:relative;background:var(--footer-bg);color:rgba(255,255,255,.62);padding:clamp(56px,7vw,90px) clamp(18px,4vw,46px) 28px;overflow:hidden}
.footer__watermark{position:absolute;left:50%;bottom:-4%;translate:-50% 0;font-family:'Space Grotesk';font-weight:700;
  font-size:clamp(5rem,18vw,15rem);color:rgba(255,255,255,.025);letter-spacing:-.04em;pointer-events:none;white-space:nowrap}
.footer__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1.3fr 1.3fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);position:relative;z-index:2}
.footer__brand .brand__mark{width:46px;height:46px;margin-bottom:16px}
.footer__brand p{font-family:'Space Grotesk';color:#fff;font-size:1.05rem;line-height:1.4}
.footer__col h4{color:#fff;font-family:'Space Mono';font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;margin-bottom:15px}
.footer__col p{font-size:.9rem;margin-bottom:8px}
.footer__col a:hover{color:var(--teal)}
.footer__bar{max-width:var(--maxw);margin:22px auto 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 22px;font-size:.83rem;position:relative;z-index:2}
.footer__bar a:hover{color:#fff}
.footer__legal{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer__legal a{color:rgba(255,255,255,.72);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.28);transition:color .2s}
.footer__legal a:hover{color:#fff;text-decoration-color:var(--teal)}

/* ---------- Social — odnośniki dopasowane do szablonu ---------- */
.social-sec{position:relative;padding:clamp(64px,8vw,110px) clamp(18px,4vw,46px) clamp(72px,9vw,120px);
  background:linear-gradient(180deg,var(--bg-2),var(--bg));overflow:hidden}
.social-glow{position:absolute;top:42%;left:50%;translate:-50% -50%;width:min(820px,90%);height:min(560px,70%);
  background:radial-gradient(circle,var(--glow-1) 0%,var(--glow-2) 40%,transparent 70%);
  filter:blur(80px);opacity:.32;pointer-events:none;animation:breathe 7s ease-in-out infinite}
.socials{position:relative;z-index:2;max-width:780px;margin:0 auto;display:flex;flex-wrap:wrap;
  justify-content:center;gap:clamp(14px,2vw,18px)}
.slink{flex:1 1 210px;max-width:280px;display:flex;align-items:center;gap:15px;
  padding:18px 20px;border-radius:16px;color:var(--txt);
  background:var(--surface);border:1px solid color-mix(in srgb,var(--teal) 26%,var(--line));
  box-shadow:0 10px 30px -16px var(--glow-1);
  transition:transform .35s var(--ease),border-color .35s,background .35s,box-shadow .35s;
  animation:slinkGlow 4.6s ease-in-out infinite}
.slink:nth-child(2){animation-delay:.55s}
.slink:nth-child(3){animation-delay:1.1s}
@keyframes slinkGlow{0%,100%{box-shadow:0 10px 28px -17px var(--glow-1)}
  50%{box-shadow:0 14px 34px -12px var(--glow-2)}}
.slink:hover,.slink:focus-visible{transform:translateY(-4px);border-color:var(--teal);
  background:var(--surface-2);box-shadow:0 20px 46px -14px var(--glow-1);outline:0}
.slink:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.slink__ic{width:46px;height:46px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid color-mix(in srgb,var(--teal) 30%,var(--line));
  color:var(--teal);transition:color .35s,border-color .35s,background .35s}
.slink__ic svg{width:22px;height:22px;fill:currentColor}
.slink:hover .slink__ic,.slink:focus-visible .slink__ic{color:var(--teal);border-color:var(--teal)}
.slink__tx{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.slink__tx b{font-family:'Space Grotesk';font-weight:700;font-size:1.02rem}
.slink__tx i{font-family:'Space Mono';font-style:normal;font-size:.76rem;color:var(--muted)}
.slink__ar{margin-left:auto;font-size:1.05rem;color:var(--muted);
  transition:transform .35s var(--ease),color .35s}
.slink:hover .slink__ar,.slink:focus-visible .slink__ar{color:var(--teal);transform:translate(3px,-3px)}

@media (prefers-reduced-motion:reduce){.social-glow,.slink{animation:none}.slink,.slink__ar{transition:none}}
@media (max-width:560px){.slink{flex:1 1 100%;max-width:420px}}

/* ---------- AI Chat ---------- */
.chat-fab{position:fixed;right:clamp(16px,3vw,30px);bottom:clamp(16px,3vw,30px);z-index:130;width:62px;height:62px;border-radius:50%;
  border:0;cursor:pointer;background:var(--grad);color:#06070d;box-shadow:0 16px 40px var(--glow-2);
  display:grid;place-items:center;transition:transform .3s var(--ease),box-shadow .3s;animation:fabIn .6s var(--ease) .9s both}
@keyframes fabIn{from{transform:scale(0) rotate(-40deg)}to{transform:scale(1)}}
.chat-fab:hover{transform:scale(1.08) translateY(-2px);box-shadow:0 22px 50px var(--glow-1)}
.chat-fab svg{width:30px;height:30px}
.chat-fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--teal);animation:ping 2.4s ease-out infinite}
@keyframes ping{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.7);opacity:0}}
.chat-fab__dot{position:absolute;top:5px;right:6px;width:13px;height:13px;background:#34d399;border:2.5px solid var(--footer-bg);border-radius:50%}
body.chat-open .chat-fab{transform:scale(0);pointer-events:none}
.chat{position:fixed;right:clamp(16px,3vw,30px);bottom:clamp(16px,3vw,30px);z-index:131;width:min(380px,calc(100vw - 32px));
  height:min(580px,calc(100vh - 48px));background:var(--bg-2);border:1px solid var(--line);border-radius:22px;box-shadow:0 40px 90px rgba(0,0,0,.6);
  display:flex;flex-direction:column;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(30px) scale(.92);
  transform-origin:bottom right;transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s}
.chat.open{opacity:1;visibility:visible;transform:none}
.chat__head{background:var(--grad);color:#06070d;padding:16px 18px;display:flex;align-items:center;justify-content:space-between}
.chat__id{display:flex;align-items:center;gap:11px}
.chat__avatar{width:42px;height:42px;border-radius:50%;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.chat__avatar svg{width:100%;height:100%}
.chat__id strong{display:block;font-family:'Space Grotesk';font-size:1rem}
.chat__status{font-size:.76rem;opacity:.85;display:flex;align-items:center;gap:6px}
.chat__status i{width:7px;height:7px;border-radius:50%;background:#0a3d2c;display:inline-block;animation:pulse 2s infinite}
.chat__x{width:32px;height:32px;border-radius:50%;border:0;background:rgba(0,0,0,.15);color:#06070d;cursor:pointer;font-size:.95rem}
.chat__x:hover{background:rgba(0,0,0,.28)}
.chat__body{flex:1;overflow-y:auto;padding:20px 16px;display:flex;flex-direction:column;gap:12px;background:var(--bg);scroll-behavior:smooth}
.msg{max-width:82%;padding:11px 15px;font-size:.92rem;line-height:1.5;border-radius:16px;animation:msgIn .35s var(--ease) both}
@keyframes msgIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg--bot{align-self:flex-start;background:var(--surface-2);color:var(--txt);border:1px solid var(--line);border-bottom-left-radius:5px}
.msg--me{align-self:flex-end;background:var(--grad);color:#06070d;border-bottom-right-radius:5px;font-weight:500}
.msg--bot a{color:var(--teal);font-weight:700;text-decoration:underline}
.msg--typing{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:5px;display:flex;gap:5px;padding:14px 16px}
.msg--typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.msg--typing i:nth-child(2){animation-delay:.2s}.msg--typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.chat__quick{display:flex;gap:8px;flex-wrap:wrap;padding:10px 14px 0;background:var(--bg)}
.chat__quick button{font:inherit;font-size:.8rem;font-weight:600;color:var(--teal);background:var(--surface);border:1px solid var(--line);padding:8px 13px;border-radius:50px;cursor:pointer;transition:background .2s,transform .2s}
.chat__quick button:hover{background:var(--surface-2);transform:translateY(-1px)}
.chat__input{display:flex;gap:8px;padding:14px;background:var(--bg);border-top:1px solid var(--line)}
.chat__input input{flex:1;padding:13px 16px;border:1px solid var(--line);border-radius:50px;font:inherit;font-size:.92rem;background:var(--surface);color:var(--txt)}
.chat__input input:focus{outline:0;border-color:var(--teal)}
.chat__input button{width:46px;height:46px;flex:none;border-radius:50%;border:0;background:var(--grad);color:#06070d;cursor:pointer;display:grid;place-items:center;transition:transform .2s}
.chat__input button:hover{transform:scale(1.08)}
.chat__input button svg{width:20px;height:20px}
.chat__foot{text-align:center;font-size:.7rem;color:var(--muted);padding:7px;background:var(--bg)}

/* Honeypot antyspamowy — niewidoczny dla ludzi */
.hp{position:absolute!important;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* Czat — przycisk CTA „Zostaw kontakt” */
.msg--cta{max-width:100%;padding:0;background:none;border:0}
.chat-cta{font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;color:#06070d;
  background:var(--grad);border:0;border-radius:14px;padding:12px 16px;width:100%;
  box-shadow:0 10px 24px var(--glow-2);transition:transform .2s,box-shadow .2s}
.chat-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px var(--glow-1)}

/* Czat — mini-formularz kontaktowy */
.chat-lead{max-width:100%;display:flex;flex-direction:column;gap:9px}
.chat-lead strong{font-family:'Space Grotesk';font-size:.98rem;color:var(--txt)}
.chat-lead .cl-f{font:inherit;font-size:.9rem;padding:11px 13px;width:100%;color:var(--txt);
  border:1px solid var(--line);border-radius:11px;background:var(--bg)}
.chat-lead .cl-f:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 3px var(--grad-soft)}
.chat-lead .cl-f:disabled{opacity:.55}
.cl-consent{display:flex;gap:9px;align-items:flex-start;font-size:.78rem;color:var(--txt-2);
  line-height:1.4;cursor:pointer}
.cl-consent input{margin-top:2px;width:16px;height:16px;flex:none;accent-color:var(--purple);cursor:pointer}
.cl-send{font:inherit;font-weight:700;font-size:.9rem;cursor:pointer;color:#06070d;
  background:var(--grad);border:0;border-radius:12px;padding:11px 14px;
  box-shadow:0 8px 20px var(--glow-2);transition:transform .2s}
.cl-send:hover{transform:translateY(-2px)}
.cl-send:disabled{opacity:.6;cursor:default;transform:none}
.cl-note{font-size:.8rem;font-weight:600;margin:0;min-height:1em}
.cl-note.ok{color:#34d399}
.cl-note.bad{color:#ff6b6b}
.cl-note a{color:var(--teal);font-weight:700;text-decoration:underline}
.cl-rodo-note{font-size:.68rem;line-height:1.5;color:var(--muted);margin:0}
.cl-rodo-note a{color:var(--txt-2);text-decoration:underline;text-underline-offset:2px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero{padding-top:380px;align-items:center}
  .hero__inner{grid-template-columns:1fr;text-align:center;gap:48px}
  .hero__copy{order:2;padding-left:0}.hero__visual{order:1;min-height:380px}
  .lead{margin-inline:auto}.hero__cta,.hero__stats{justify-content:center}
  .contact__grid{grid-template-columns:1fr;gap:38px}
  .contact__intro{text-align:center}.contact__intro p{margin-inline:auto}.contact__list{align-items:center}
  .sys-grid{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:760px){
  .nav__links{position:fixed;inset:0 0 0 auto;z-index:145;width:min(78vw,320px);flex-direction:column;justify-content:center;gap:28px;
    background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(20px);transform:translateX(100%);
    transition:transform .4s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .nav__links.open{transform:translateX(0)}
  .nav__links a{font-size:1.15rem}
  /* Burger MUSI mieć z-index > .nav__links (145), żeby panel menu nie zasłaniał
     samego przycisku po otwarciu. Inaczej panel slides over the burger i przycisk
     zamknięcia nie jest widoczny. position:relative juz w default .nav__burger. */
  .nav__burger{display:flex;z-index:200}
  .nav__cta{display:none}
  .brand__text{font-size:1.1rem}
  .hero{padding-top:240px}
  .brand-stamp{top:88px;left:50%;transform:translateX(-50%)}
  .brand-stamp:hover .brand-stamp__img{transform:translateY(-2px) scale(1.02)}
  .brand-stamp__img{height:138px}
  .book-wrap{gap:2px}
  .nav-arrow{position:absolute;bottom:-30px}
  .nav-arrow--prev{left:23%}.nav-arrow--next{right:23%}
  .catalog{padding-bottom:96px}
  .stage-glow{width:120%;height:60%}
  .hud{flex-wrap:wrap;justify-content:center;border-radius:22px}
  .hud__bar{flex-basis:100%;order:5}
  .footer__inner{grid-template-columns:1fr}
  .footer__bar{justify-content:center;text-align:center}
}
@media (max-width:480px){
  .sys-grid{grid-template-columns:1fr}
  .hero__stats{gap:20px}
  .chat{width:calc(100vw - 18px);height:calc(100dvh - 90px);right:9px;bottom:9px}
}

/* ============================================================
   MOBILE PERFORMANCE — Safari iOS bardzo źle radzi sobie z
   filter:blur(>40px) i backdrop-filter. Na <=760px wyłączamy
   ciężkie efekty i animacje dekoracyjne.
   ============================================================ */
@media (max-width:760px){
  /* Aurora — najcięższy element (3x filter:blur(90px) animowane).
     Statyczna + bardzo zmniejszony blur. Trzeci blob ukryty.
     W jasnym motywie jeszcze bardziej zredukowane (compositing
     na jasnym surface jest cięższy w Safari iOS). */
  .aurora{opacity:.45}
  .aurora span{animation:none;filter:blur(34px)}
  .aurora__c{display:none}
  [data-theme="light"] .aurora{opacity:.25}
  [data-theme="light"] .aurora span{filter:blur(28px)}

  /* Backdrop-filter na nav i panelu menu — zastąpione solidnym tłem. */
  .nav::before,.nav.scrolled::before{
    backdrop-filter:none;-webkit-backdrop-filter:none
  }
  .nav.scrolled::before{background:color-mix(in srgb,var(--bg) 94%,transparent)}
  .nav__links{
    backdrop-filter:none;-webkit-backdrop-filter:none;
    background:var(--bg)
  }

  /* Logo: brak animacji, brak filter — drop-shadow w Safari iOS na transparent
     PNG jest drogi i przy każdym scrollu repainto­wany. */
  .brand-stamp__img{animation:none;filter:none}

  /* Okładka książki — brak bujania. */
  .book3d{animation:none}

  /* HUD katalogu — bez backdrop-filter, solidne tło. */
  .hud{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(11,11,21,.85)}
  [data-theme="light"] .hud{background:rgba(247,248,252,.92)}
  .thumbs,.zoom{backdrop-filter:none;-webkit-backdrop-filter:none}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal,.sys-card{opacity:1;transform:none}
}

/* ============================================================
   Baner zgody na pliki cookies — kompaktowa karta w rogu,
   nie zasłania treści, pojawia się tylko przy pierwszej wizycie.
   ============================================================ */
.cookie{position:fixed;left:clamp(12px,3vw,26px);bottom:clamp(12px,3vw,26px);z-index:140;
  width:min(384px,calc(100vw - 24px));
  transform:translateY(calc(100% + 36px));opacity:0;pointer-events:none;
  transition:transform .55s var(--ease),opacity .4s ease}
.cookie.show{transform:translateY(0);opacity:1;pointer-events:auto}
.cookie__inner{background:color-mix(in srgb,var(--bg-2) 94%,transparent);
  backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);
  border:1px solid var(--line);border-radius:16px;padding:18px 20px;
  box-shadow:0 26px 60px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.03)}
.cookie__txt strong{display:block;font-family:'Space Grotesk',sans-serif;font-weight:600;
  font-size:.98rem;color:var(--txt);margin-bottom:6px}
.cookie__txt p{font-size:.81rem;line-height:1.6;color:var(--txt-2);margin:0 0 14px}
.cookie__txt a{color:var(--teal);text-decoration:underline;text-underline-offset:2px}
.cookie__btns{display:flex;gap:9px}
.cookie__btn{flex:1;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.82rem;
  padding:11px 12px;border-radius:50px;cursor:pointer;border:1px solid var(--line);
  transition:transform .2s var(--ease),box-shadow .2s,border-color .2s,background .2s}
.cookie__btn--ghost{background:var(--surface);color:var(--txt)}
.cookie__btn--ghost:hover{border-color:var(--teal)}
.cookie__btn--solid{background:var(--grad);color:#06070d;border-color:transparent;box-shadow:0 8px 22px var(--glow-1)}
.cookie__btn--solid:hover{transform:translateY(-1px);box-shadow:0 12px 28px var(--glow-2)}
@media (max-width:480px){
  .cookie{left:9px;right:9px;width:auto;bottom:9px}
}

/* ============================================================
   Strona dokumentu prawnego (Polityka prywatności i cookies)
   ============================================================ */
.legal{max-width:920px;margin:0 auto;
  padding:clamp(112px,15vh,168px) clamp(18px,5vw,46px) clamp(60px,9vw,110px)}
.legal__back{display:inline-block;font-size:.86rem;font-weight:600;color:var(--txt-2);
  margin-bottom:30px;transition:color .2s}
.legal__back:hover{color:var(--teal)}
.legal__back--btm{margin:46px 0 0}
.legal__head{margin-bottom:14px}
.legal__head h1{font-size:clamp(1.95rem,4.6vw,3rem);margin:12px 0 14px}
.legal__upd{font-size:.82rem;color:var(--muted)}
.legal section{margin-top:34px}
.legal h2{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.16rem,2.5vw,1.5rem);
  color:var(--txt);margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.legal h3{font-family:'Space Grotesk',sans-serif;font-size:1.02rem;color:var(--txt);margin:22px 0 8px}
.legal p,.legal li{font-size:.95rem;line-height:1.78;color:var(--txt-2)}
.legal p{margin-bottom:12px}
.legal ul,.legal ol{margin:0 0 14px;padding-left:22px}
.legal li{margin-bottom:7px}
.legal li::marker{color:var(--teal)}
.legal a{color:var(--teal);text-decoration:underline;text-underline-offset:2px}
.legal strong{color:var(--txt);font-weight:600}
.legal__box{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--teal);
  border-radius:12px;padding:16px 20px;margin:16px 0}
.legal__box p{margin:0}
.legal__tablewrap{overflow-x:auto;margin:14px 0 4px;border:1px solid var(--line);border-radius:12px}
.legal__table{border-collapse:collapse;width:100%;min-width:520px;font-size:.86rem}
.legal__table th,.legal__table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);
  vertical-align:top;line-height:1.55}
.legal__table th{background:var(--surface);color:var(--txt);font-family:'Space Grotesk',sans-serif;
  font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.legal__table td{color:var(--txt-2)}
.legal__table tr:last-child td{border-bottom:0}

/* ---------- Blog ---------- */
.blog__head{margin-bottom:38px}
.blog__head h1{font-size:clamp(2rem,5vw,3.4rem)}
.blog__head .lead{font-size:1.06rem;color:var(--txt-2);max-width:640px;line-height:1.6;margin-top:14px}
.blog__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin:18px 0 60px}
.bcard{position:relative;border:1px solid var(--line);border-radius:18px;background:var(--surface);
  overflow:hidden;transition:transform .3s var(--ease),border-color .3s,box-shadow .3s}
.bcard:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--teal) 50%,var(--line));
  box-shadow:0 18px 40px rgba(41,211,240,.12)}
.bcard__link{display:block;color:inherit;text-decoration:none}
.bcard__cover{position:relative;height:160px;background:
  radial-gradient(ellipse at top left, color-mix(in srgb,var(--teal) 28%,transparent), transparent 60%),
  radial-gradient(ellipse at bottom right, color-mix(in srgb,var(--purple) 32%,transparent), transparent 60%),
  var(--bg);border-bottom:1px solid var(--line);display:flex;align-items:flex-end;padding:16px}
.bcard__tag{font-family:'Space Mono';font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--txt);background:color-mix(in srgb,var(--bg) 70%,transparent);padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);backdrop-filter:blur(6px)}
.bcard__body{padding:22px 22px 26px}
.bcard__title{font-family:'Space Grotesk',sans-serif;font-size:1.18rem;line-height:1.32;color:var(--txt);
  margin:0 0 12px;font-weight:700}
.bcard__excerpt{font-size:.93rem;line-height:1.6;color:var(--txt-2);margin:0 0 14px}
.bcard__meta{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--muted);font-family:'Space Mono'}
.bcard--coming{opacity:.6;pointer-events:none}
.bcard--coming .bcard__cover{background:linear-gradient(135deg,var(--surface),var(--bg))}

.blog__cta{margin:60px 0 40px;padding:38px clamp(20px,4vw,46px);border:1px solid var(--line);border-radius:22px;
  background:radial-gradient(ellipse at top, color-mix(in srgb,var(--teal) 8%,transparent), transparent 70%), var(--surface);
  text-align:center}
.blog__cta h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:10px;color:var(--txt)}
.blog__cta p{color:var(--txt-2);max-width:540px;margin:0 auto 22px;line-height:1.62}
.blog__cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Article ---------- */
.article{max-width:760px}
.article__head{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.article__head h1{font-size:clamp(1.8rem,4.2vw,2.65rem);line-height:1.18;margin:12px 0 16px}
.article__meta{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--muted);font-family:'Space Mono';flex-wrap:wrap}
.article__lead{font-size:1.07rem;line-height:1.72;color:var(--txt);margin:0 0 28px;font-weight:500}
.article__body h2{font-family:'Space Grotesk',sans-serif;font-size:clamp(1.25rem,2.6vw,1.6rem);
  margin:42px 0 14px;color:var(--txt);font-weight:700;line-height:1.25}
.article__body h3{font-family:'Space Grotesk',sans-serif;font-size:1.08rem;margin:26px 0 8px;color:var(--txt);font-weight:600}
.article__body p,.article__body li{font-size:.97rem;line-height:1.78;color:var(--txt-2)}
.article__body p{margin-bottom:14px}
.article__body strong{color:var(--txt);font-weight:600}
.article__body ul{margin:0 0 18px;padding-left:22px}
.article__body li{margin-bottom:8px}
.article__body li::marker{color:var(--teal)}
.article__body a{color:var(--teal);text-decoration:underline;text-underline-offset:2px}

.tldr{margin:24px 0 30px;padding:22px 26px;border:1px solid color-mix(in srgb,var(--teal) 32%,var(--line));
  border-left:3px solid var(--teal);border-radius:14px;background:color-mix(in srgb,var(--teal) 4%,var(--surface))}
.tldr strong{display:block;font-family:'Space Mono';font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--teal);margin-bottom:12px}
.tldr ul{margin:0;padding-left:20px}
.tldr li{font-size:.93rem;line-height:1.6;margin-bottom:6px;color:var(--txt-2)}

.specs{margin:18px 0 6px}
.specs__table{border-collapse:collapse;width:100%;font-size:.9rem;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.specs__table th,.specs__table td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--line);color:var(--txt-2)}
.specs__table th{background:var(--surface);color:var(--txt);font-family:'Space Grotesk',sans-serif;font-weight:600;width:42%}
.specs__table tr:last-child th,.specs__table tr:last-child td{border-bottom:0}
.muted.small{font-size:.82rem;margin-top:8px}

.article__cta{margin:48px 0 20px;padding:34px clamp(20px,4vw,38px);border:1px solid var(--line);border-radius:18px;
  background:radial-gradient(ellipse at top, color-mix(in srgb,var(--teal) 8%,transparent), transparent 70%), var(--surface);
  text-align:center}
.article__cta h2{font-size:clamp(1.3rem,2.6vw,1.7rem);margin:0 0 10px;color:var(--txt)}
.article__cta p{color:var(--txt-2);max-width:540px;margin:0 auto 22px;line-height:1.62}
.article__cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}

@media (max-width:760px){
  .blog__grid{grid-template-columns:1fr;gap:18px}
  .article{padding:0 4px}
  .article__head h1{font-size:1.6rem}
  .tldr{padding:18px 20px}
  .specs__table th{width:46%}
}