/* ==========================================================================
   KN Apps Studio — shared design system
   One stylesheet for every page. Light + dark themes, per-app accents.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  --bg:#fbfaf8;
  --surface:#ffffff;
  --surface-2:#f4f2ee;
  --surface-3:#ece9e3;
  --line:#e7e3dc;
  --line-2:#d6d1c8;
  --ink:#141317;
  --ink-2:#34313a;
  --muted:#6b6672;
  --faint:#9a95a2;
  --shadow:0 1px 2px rgba(20,19,23,.04),0 8px 24px -8px rgba(20,19,23,.10);
  --shadow-lg:0 2px 4px rgba(20,19,23,.04),0 24px 60px -18px rgba(20,19,23,.22);

  --blue:#2f6bff;   --blue-soft:#e8eeff;
  --teal:#0fb5a2;   --teal-soft:#e2f6f3;   --navy:#22324a;
  --lime:#c5f74f;   --lime-deep:#8fcf1f;   --midnight:#0a0f17;
  --star:#f0a51f;
  --ok:#1f8f4e;

  --accent:var(--ink);
  --accent-soft:var(--surface-2);
  --on-accent:#fff;

  --r-sm:10px; --r:16px; --r-lg:24px; --r-xl:32px;
  --wrap:1180px;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --sans:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c0c0f; --surface:#141418; --surface-2:#1b1b21; --surface-3:#24242b;
    --line:#26262d; --line-2:#34343c;
    --ink:#f3f2ef; --ink-2:#d7d5db; --muted:#9b97a3; --faint:#6e6a76;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -8px rgba(0,0,0,.5);
    --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 24px 60px -18px rgba(0,0,0,.7);
    --blue:#5b8cff; --blue-soft:rgba(91,140,255,.14);
    --teal:#2dd4bf; --teal-soft:rgba(45,212,191,.13);
    --ok:#4ade80;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0c0c0f; --surface:#141418; --surface-2:#1b1b21; --surface-3:#24242b;
  --line:#26262d; --line-2:#34343c;
  --ink:#f3f2ef; --ink-2:#d7d5db; --muted:#9b97a3; --faint:#6e6a76;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -8px rgba(0,0,0,.5);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 24px 60px -18px rgba(0,0,0,.7);
  --blue:#5b8cff; --blue-soft:rgba(91,140,255,.14);
  --teal:#2dd4bf; --teal-soft:rgba(45,212,191,.13);
  --ok:#4ade80;
  color-scheme:dark;
}

/* Per-app accents */
.app-translate{--accent:var(--blue);--accent-soft:var(--blue-soft);--on-accent:#fff}
.app-scanner{--accent:var(--teal);--accent-soft:var(--teal-soft);--on-accent:#fff}
.app-zentra{--accent:var(--lime);--accent-soft:rgba(197,247,79,.12);--on-accent:#0a0f17}

/* Zentra pages are always midnight, whatever the system theme */
.theme-zentra{
  --bg:#07090e; --surface:#0e131b; --surface-2:#131a24; --surface-3:#1a2230;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --ink:#f2f5f0; --ink-2:#d3d9d0; --muted:#8e98a6; --faint:#5f6977;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -10px rgba(0,0,0,.6);
  --shadow-lg:0 30px 80px -20px rgba(0,0,0,.8);
  --accent:var(--lime); --accent-soft:rgba(197,247,79,.10); --on-accent:#0a0f17;
  color-scheme:dark;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .25s,color .25s}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
::selection{background:var(--accent);color:var(--on-accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:999;background:var(--ink);color:var(--bg);padding:.5rem 1rem;border-radius:8px}
.skip:focus{left:8px}

/* ---------- Layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
@media(max-width:560px){.wrap{padding:0 16px}}
.section{padding:112px 0}
.section.tight{padding:80px 0}
.section.alt{background:var(--surface-2);border-block:1px solid var(--line)}
@media(max-width:760px){.section{padding:76px 0}.section.tight{padding:56px 0}}

.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.74rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.eyebrow::before{content:'';width:18px;height:1.5px;background:currentColor;opacity:.7}
.eyebrow.accent{color:var(--accent)}
.app-zentra .eyebrow.accent,.theme-zentra .eyebrow.accent{color:var(--lime)}

.h-display{font-family:var(--serif);font-weight:400;font-size:clamp(2.9rem,7vw,5.6rem);line-height:.98;letter-spacing:-.035em}
.h-1{font-family:var(--serif);font-weight:400;font-size:clamp(2.4rem,5vw,4rem);line-height:1.03;letter-spacing:-.03em}
.h-2{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,4vw,3.1rem);line-height:1.06;letter-spacing:-.028em}
.h-3{font-family:var(--serif);font-weight:400;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.15;letter-spacing:-.02em}
.h-display em,.h-1 em,.h-2 em,.h-3 em{font-style:italic;color:var(--muted)}
.theme-zentra .h-display em,.theme-zentra .h-1 em,.theme-zentra .h-2 em{color:var(--lime);}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);line-height:1.65;max-width:560px}
.muted{color:var(--muted)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.sec-head{margin-bottom:56px}
.sec-head.center{max-width:720px;margin-left:auto;margin-right:auto}
.sec-head .lead{margin-top:1rem}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;height:48px;padding:0 1.35rem;border-radius:999px;
  font-size:.93rem;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s cubic-bezier(.2,.8,.2,1),background .18s,border-color .18s,box-shadow .18s,opacity .18s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-sm{height:38px;padding:0 1rem;font-size:.85rem}
.btn-ink{background:var(--ink);color:var(--bg)}
.btn-ink:hover{box-shadow:var(--shadow)}
.btn-accent{background:var(--accent);color:var(--on-accent)}
.btn-accent:hover{box-shadow:0 10px 30px -10px var(--accent)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-line:hover{border-color:var(--ink);background:var(--surface)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{color:var(--ink)}
.btn svg{flex-shrink:0}
.btn-row{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}

/* App Store badge-style button */
.store{display:inline-flex;align-items:center;gap:.7rem;height:54px;padding:0 1.25rem 0 1.05rem;border-radius:14px;
  background:var(--ink);color:var(--bg);text-decoration:none;transition:transform .18s,box-shadow .18s}
.store:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.store small{display:block;font-size:.66rem;font-weight:500;opacity:.75;line-height:1.1;letter-spacing:.01em}
.store strong{display:block;font-size:1.02rem;font-weight:600;line-height:1.15;letter-spacing:-.01em}
.store.accent{background:var(--accent);color:var(--on-accent)}
.store.soon{background:var(--surface-2);color:var(--ink);border:1px solid var(--line-2);cursor:default}
.store.soon:hover{transform:none;box-shadow:none}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);
  border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-in{height:68px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--ink);flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--bg);display:grid;place-items:center;
  font-family:var(--serif);font-size:1.1rem;font-style:italic;letter-spacing:-.04em;line-height:1}
.brand-name{font-weight:600;font-size:.95rem;letter-spacing:-.015em;line-height:1.1}
.brand-name small{display:block;font-weight:500;font-size:.7rem;color:var(--faint);letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:.15rem;list-style:none}
.nav-links a{display:flex;align-items:center;gap:.45rem;text-decoration:none;color:var(--muted);font-size:.88rem;font-weight:500;
  padding:.45rem .8rem;border-radius:999px;transition:color .15s,background .15s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.nav-links img{width:18px;height:18px;border-radius:5px}
.nav-actions{display:flex;align-items:center;gap:.4rem}
.icon-btn{width:38px;height:38px;border-radius:999px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);
  color:var(--muted);cursor:pointer;transition:color .15s,border-color .15s,background .15s}
.icon-btn:hover{color:var(--ink);border-color:var(--line-2);background:var(--surface)}
.theme-zentra .theme-toggle{display:none}
.menu-btn{display:none}
.icon-sun{display:none}
:root[data-theme="dark"] .icon-sun{display:block}
:root[data-theme="dark"] .icon-moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .icon-sun{display:block}
  :root:not([data-theme="light"]) .icon-moon{display:none}
}
@media(max-width:900px){
  .nav-links,.nav-actions .btn{display:none}
  .menu-btn{display:grid}
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--bg);padding:12px 16px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:flex;align-items:center;gap:.75rem;padding:.85rem .5rem;text-decoration:none;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu img{width:28px;height:28px;border-radius:8px}
@media(min-width:901px){.mobile-menu{display:none!important}}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--surface-2);padding:72px 0 28px;margin-top:0}
.theme-zentra .footer{background:#05070b}
.foot-grid{display:grid;grid-template-columns:1.8fr repeat(3,1fr);gap:40px}
@media(max-width:960px){.foot-grid{grid-template-columns:1fr 1fr 1fr}.foot-about{grid-column:1/-1}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-about p{color:var(--muted);font-size:.9rem;margin-top:1rem;max-width:300px;line-height:1.65}
.foot-col h4{font-size:.74rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:1rem}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:.6rem}
.foot-col a{color:var(--muted);text-decoration:none;font-size:.9rem;transition:color .15s}
.foot-col a:hover{color:var(--ink)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:56px;padding-top:24px;
  border-top:1px solid var(--line);font-size:.82rem;color:var(--faint)}
.foot-bot a{color:var(--muted);text-decoration:none}
.foot-bot a:hover{color:var(--ink)}

/* ---------- Small parts ---------- */
.chip{display:inline-flex;align-items:center;gap:.4rem;font-size:.75rem;font-weight:600;padding:.32rem .7rem;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);white-space:nowrap}
.chip.accent{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.app-zentra .chip.accent,.theme-zentra .chip.accent{color:var(--lime)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:currentColor}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.stars{color:var(--star);letter-spacing:.06em;font-size:.85rem}
.app-icon.bare{background:none!important;box-shadow:none!important;border-radius:0!important;transform:scale(1.18)}
.app-icon{border-radius:22.5%;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 6px 16px -6px rgba(0,0,0,.3);flex-shrink:0;background:var(--surface)}
.kbd{font-family:var(--mono);font-size:.75em;padding:.1rem .4rem;border-radius:6px;border:1px solid var(--line-2);background:var(--surface-2);color:var(--ink-2)}

/* Stats row */
.stats{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border-top:1px solid var(--line);margin-top:48px;max-width:560px}
.stat{padding:22px 16px 0 0}
.stat+.stat{padding-left:20px;border-left:1px solid var(--line)}
.stat b{display:block;font-family:var(--serif);font-weight:400;font-size:2.3rem;letter-spacing:-.03em;line-height:1;white-space:nowrap}
.stat span{display:block;font-size:.8rem;color:var(--muted);margin-top:.35rem}
@media(max-width:560px){
  .stats{grid-auto-flow:row;grid-template-columns:1fr 1fr}
  .stat:nth-child(odd){padding-left:0;border-left:0}
  .stat b{font-size:1.9rem}
}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}
.no-js .reveal{opacity:1;transform:none}

/* ==========================================================================
   HOME
   ========================================================================== */
.hero{position:relative;padding:72px 0 96px;overflow:hidden}
.hero::before{content:'';position:absolute;inset:-20% -10% auto;height:720px;pointer-events:none;
  background:radial-gradient(40% 50% at 18% 30%,color-mix(in srgb,var(--blue) 14%,transparent),transparent 70%),
             radial-gradient(34% 44% at 82% 20%,color-mix(in srgb,var(--teal) 13%,transparent),transparent 70%),
             radial-gradient(30% 40% at 70% 80%,color-mix(in srgb,var(--lime) 18%,transparent),transparent 70%);filter:blur(10px)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr;gap:48px}}
.hero .lead{margin-top:1.4rem}
.hero .btn-row{margin-top:2rem}

.stack{position:relative;height:540px}
@media(max-width:980px){.stack{height:auto;display:grid;gap:14px}}
.stack-card{position:absolute;display:flex;align-items:center;gap:16px;width:min(380px,100%);padding:18px 20px;border-radius:22px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-lg);text-decoration:none;color:var(--ink);
  transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}
.stack-card:hover{transform:translateY(-4px) rotate(0deg)!important}
.stack-card .app-icon{width:64px;height:64px}
.stack-card b{display:block;font-size:1rem;font-weight:600;letter-spacing:-.01em}
.stack-card span{display:block;font-size:.8rem;color:var(--muted)}
.stack-card .arrow{margin-left:auto;color:var(--faint);transition:transform .2s,color .2s}
.stack-card:hover .arrow{transform:translateX(3px);color:var(--ink)}
.stack-card.c1{top:30px;left:0;transform:rotate(-3deg)}
.stack-card.c2{top:196px;right:0;transform:rotate(2.5deg)}
.stack-card.c3{top:362px;left:40px;transform:rotate(-1.5deg);background:#0d121a;color:#f2f5f0;border-color:rgba(197,247,79,.25)}
.stack-card.c3 span{color:#8e98a6}
.stack-card.c3:hover .arrow{color:var(--lime)}
.stack-card .tag{position:absolute;top:-10px;right:16px;font-size:.66rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:.28rem .6rem;border-radius:999px;background:var(--lime);color:#0a0f17}
@media(max-width:980px){.stack-card{position:relative;inset:auto!important;transform:none!important;width:100%}}

/* Marquee */
.marquee{border-block:1px solid var(--line);background:var(--surface);overflow:hidden;padding:16px 0}
.marquee-track{display:flex;gap:48px;width:max-content;animation:marquee 40s linear infinite}
.marquee span{display:flex;align-items:center;gap:48px;font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);white-space:nowrap}
.marquee span::after{content:'✦';color:var(--line-2)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Product showcase */
.products{display:flex;flex-direction:column;gap:28px}
.product{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-xl);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow)}
@media(max-width:900px){.product{grid-template-columns:1fr}}
.product-copy{padding:56px}
@media(max-width:560px){.product-copy{padding:32px 24px}}
.product-top{display:flex;align-items:center;gap:16px;margin-bottom:28px}
.product-top .app-icon{width:72px;height:72px}
.product-top b{display:block;font-size:1.15rem;font-weight:600;letter-spacing:-.015em;line-height:1.25}
.product-top .meta{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--muted);margin-top:.2rem;flex-wrap:wrap}
.product-copy .h-3{margin-bottom:.9rem}
.product-copy p{color:var(--muted);line-height:1.7}
.ticks{list-style:none;margin:24px 0 32px;display:grid;gap:.7rem}
.ticks li{display:flex;gap:.7rem;align-items:flex-start;font-size:.93rem;color:var(--ink-2)}
.ticks li::before{content:'';flex-shrink:0;width:18px;height:18px;margin-top:.15rem;border-radius:6px;background:var(--accent-soft) no-repeat center/11px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.5 2.5L10 3.5' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.app-translate .ticks li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.5 2.5L10 3.5' fill='none' stroke='%232f6bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.app-scanner .ticks li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.5 2.5L10 3.5' fill='none' stroke='%230fb5a2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.app-zentra .ticks li::before,.theme-zentra .ticks li::before{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.5l2.5 2.5L10 3.5' fill='none' stroke='%23c5f74f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.product-visual{position:relative;min-height:460px;display:flex;align-items:flex-end;justify-content:center;gap:16px;padding:48px 32px 0;overflow:hidden;
  background:var(--accent-soft)}
.product-visual img.shot{width:min(44%,220px);height:auto;aspect-ratio:460/860;object-fit:cover;object-position:top;border-radius:26px 26px 0 0;box-shadow:var(--shadow-lg);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.product-visual img.shot:nth-child(2){transform:translateY(40px)}
.product:hover .product-visual img.shot:nth-child(1){transform:translateY(-8px)}
.product:hover .product-visual img.shot:nth-child(2){transform:translateY(28px)}
.product.flip .product-copy{order:2}
@media(max-width:900px){.product.flip .product-copy{order:0}.product-visual{min-height:360px}}

.product.dark{background:#0b1017;border-color:rgba(197,247,79,.18);color:#f2f5f0}
.product.dark p,.product.dark .product-top .meta{color:#8e98a6}
.product.dark .h-3 em{color:var(--lime)}
.product.dark .ticks li{color:#d3d9d0}
.product.dark .product-visual{background:radial-gradient(70% 60% at 50% 100%,rgba(197,247,79,.22),transparent 70%),#0e141d;align-items:center;padding:40px}
.product.dark .btn-line{color:#f2f5f0;border-color:rgba(255,255,255,.18)}
.product.dark .btn-line:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.4)}
.product.dark .kbd{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#d3d9d0}
.product.dark .chip{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);color:#d3d9d0}

/* Mac window frame */
.mac{border-radius:14px;overflow:hidden;background:#0a0f17;box-shadow:0 0 0 1px rgba(255,255,255,.1),0 40px 80px -20px rgba(0,0,0,.8);width:100%}
.mac-bar{height:30px;display:flex;align-items:center;gap:7px;padding:0 12px;background:#111722;border-bottom:1px solid rgba(255,255,255,.06)}
.mac-bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.mac-bar i:nth-child(2){background:#febc2e}.mac-bar i:nth-child(3){background:#28c840}
.mac img{width:100%}

/* Principles */
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(max-width:900px){.principles{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.principles{grid-template-columns:1fr}}
.principle{background:var(--surface);padding:32px 28px}
.principle .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);margin-bottom:20px;color:var(--ink)}
.principle b{display:block;font-size:1.02rem;font-weight:600;letter-spacing:-.01em;margin-bottom:.4rem}
.principle p{font-size:.9rem;color:var(--muted);line-height:1.65}

/* Reviews */
.reviews{columns:3 300px;column-gap:20px}
.review{break-inside:avoid;margin-bottom:20px;padding:28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.review p{font-size:.98rem;line-height:1.65;color:var(--ink-2);margin:.8rem 0 1.2rem}
.review footer{display:flex;align-items:center;justify-content:space-between;gap:.5rem;flex-wrap:wrap}
.review cite{font-style:normal;font-weight:600;font-size:.85rem}
.review .chip{font-size:.7rem}

/* Support band */
.support{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;padding:56px;border-radius:var(--r-xl);
  background:var(--surface);border:1px solid var(--line)}
@media(max-width:860px){.support{grid-template-columns:1fr;padding:36px 24px}}
.support-list{display:grid;gap:12px}
.support-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--r);background:var(--surface-2);border:1px solid var(--line);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.support-item:hover{border-color:var(--line-2);transform:translateX(2px)}
.support-item b{display:block;font-size:.92rem;font-weight:600}
.support-item span{display:block;font-size:.8rem;color:var(--muted)}
.support-item .ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);flex-shrink:0}

/* Big CTA */
.cta{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:88px 40px;text-align:center;background:var(--ink);color:var(--bg)}
.cta .h-1 em{color:color-mix(in srgb,var(--bg) 55%,transparent)}
.cta p{color:color-mix(in srgb,var(--bg) 65%,transparent);margin:1rem auto 2.2rem;max-width:480px}
.cta p a{color:inherit;text-underline-offset:3px}
.cta p a:hover{color:var(--bg)}
.theme-zentra .cta p a:hover{color:var(--lime)}
.cta .btn-row{justify-content:center}
.cta .store{background:var(--bg);color:var(--ink)}
.cta .btn-line{color:var(--bg);border-color:color-mix(in srgb,var(--bg) 25%,transparent)}
.cta .btn-line:hover{background:color-mix(in srgb,var(--bg) 8%,transparent);border-color:var(--bg)}
.cta::after{content:'';position:absolute;inset:auto -10% -60% -10%;height:420px;pointer-events:none;
  background:radial-gradient(50% 60% at 50% 50%,color-mix(in srgb,var(--accent) 40%,transparent),transparent 70%);opacity:.5}
.cta>*{position:relative;z-index:1}
.theme-zentra .cta{background:linear-gradient(160deg,#141d0c,#0b1017 55%);color:#f2f5f0;border:1px solid rgba(197,247,79,.18)}
.theme-zentra .cta .h-1 em{color:var(--lime)}
.theme-zentra .cta p{color:#8e98a6}

/* ==========================================================================
   APP PAGES
   ========================================================================== */
.app-hero{position:relative;padding:64px 0 0;overflow:hidden}
.app-hero::before{content:'';position:absolute;inset:0 0 auto;height:100%;pointer-events:none;
  background:radial-gradient(50% 60% at 80% 40%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%)}
.app-hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:end}
@media(max-width:960px){.app-hero-grid{grid-template-columns:1fr;gap:40px}}
.app-hero-copy{padding-bottom:96px}
@media(max-width:960px){.app-hero-copy{padding-bottom:0}}
.app-id{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.app-id .app-icon{width:60px;height:60px}
.app-id b{display:block;font-weight:600;font-size:.98rem;letter-spacing:-.01em}
.app-id span{font-size:.82rem;color:var(--muted)}
.app-hero .lead{margin-top:1.3rem}
.app-hero .btn-row{margin-top:2rem}
.app-hero .stats{margin-top:40px}
.phones{position:relative;display:flex;justify-content:center;align-items:flex-end;gap:18px;min-height:520px;padding:40px 0 80px}
.phones img{width:min(44%,250px);border-radius:26px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.phones img:nth-child(1){transform:translateY(-30px)}
.phones img:nth-child(3){display:none}
@media(min-width:1100px){.phones img{width:31%}.phones img:nth-child(3){display:block;transform:translateY(-60px)}}
@media(max-width:960px){.phones{min-height:0;padding:0 0 64px}}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.feature-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.feature-grid{grid-template-columns:1fr}}
.feature{padding:30px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s}
.feature:hover{transform:translateY(-3px);border-color:var(--line-2);box-shadow:var(--shadow)}
.feature .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:22px}
.theme-zentra .feature .ico{color:var(--lime)}
.feature b{display:block;font-size:1.05rem;font-weight:600;letter-spacing:-.01em;margin-bottom:.45rem}
.feature p{font-size:.92rem;color:var(--muted);line-height:1.65}
.feature.wide{grid-column:span 2}
@media(max-width:560px){.feature.wide{grid-column:auto}}

.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}}
.split p{color:var(--muted);line-height:1.75;margin-top:1rem}
.split p strong{color:var(--ink)}

.flow{padding:32px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.flow-title{font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:20px}
.flow-step{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line)}
.flow-step.hi{background:var(--accent-soft);border-color:transparent}
.flow-step.ok{background:color-mix(in srgb,var(--ok) 10%,transparent);border-color:transparent}
.flow-step .ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--surface);flex-shrink:0;font-size:1.05rem}
.flow-step b{display:block;font-size:.9rem;font-weight:600}
.flow-step span{display:block;font-size:.78rem;color:var(--muted)}
.flow-arrow{display:flex;align-items:center;gap:.6rem;padding:8px 0 8px 32px;font-size:.74rem;color:var(--faint)}
.flow-arrow::before{content:'';width:1.5px;height:18px;background:var(--line-2)}

.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{font-size:.85rem;font-weight:500;padding:.5rem .95rem;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);transition:all .15s}
.pill:hover{border-color:var(--accent);color:var(--accent)}
.pill.accent{background:var(--accent-soft);color:var(--accent);border-color:transparent;font-weight:600}

.check-card{padding:36px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.check-card h3{display:flex;align-items:center;gap:.6rem;font-size:1.1rem;font-weight:600;margin-bottom:1.2rem}
.check-card ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:.8rem 1.5rem}
@media(max-width:620px){.check-card ul{grid-template-columns:1fr}}
.check-card li{display:flex;gap:.6rem;font-size:.92rem;color:var(--ink-2)}
.check-card li::before{content:'✓';color:var(--ok);font-weight:700}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:72px;align-items:start}
@media(max-width:900px){.faq-wrap{grid-template-columns:1fr;gap:32px}}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:22px 0;
  font-size:1.02rem;font-weight:500;letter-spacing:-.005em;transition:color .15s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.theme-zentra .faq summary:hover{color:var(--lime)}
.faq summary::after{content:'';flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-2);
  background:no-repeat center/10px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M5 1v8M1 5h8' stroke='%23888' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 40px 22px 0;color:var(--muted);line-height:1.75;font-size:.95rem}

.keywords{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center}
.keywords span{font-size:.75rem;padding:.3rem .65rem;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.keywords b{font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-right:.4rem}

/* ==========================================================================
   ZENTRA (VPN) PAGE
   ========================================================================== */
.z-hero{position:relative;padding:72px 0 0;overflow:hidden;text-align:center}
.z-hero::before{content:'';position:absolute;left:50%;top:-240px;width:1100px;height:900px;transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(closest-side,rgba(197,247,79,.20),rgba(197,247,79,.05) 55%,transparent);}
.z-hero::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1.2px);background-size:22px 22px;
  -webkit-mask-image:radial-gradient(60% 50% at 50% 30%,#000,transparent);mask-image:radial-gradient(60% 50% at 50% 30%,#000,transparent)}
.z-hero>*{position:relative;z-index:1}
.z-logo{width:96px;height:96px;margin:0 auto 28px;filter:drop-shadow(0 16px 40px rgba(197,247,79,.35))}
.z-hero .lead{margin:1.4rem auto 0;max-width:600px}
.z-hero .btn-row{justify-content:center;margin-top:2.2rem}
.z-hero .chips{justify-content:center;margin-top:1.6rem}
.z-shot{max-width:1060px;margin:72px auto 0;padding:0 24px}
.z-shot .mac{border-radius:16px 16px 0 0}
.z-glow{position:relative}
.z-glow::before{content:'';position:absolute;inset:10% 5% auto;height:70%;background:radial-gradient(closest-side,rgba(197,247,79,.25),transparent);filter:blur(30px);z-index:-1}

.z-bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.z-card{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);padding:32px}
.z-card b{display:block;font-size:1.12rem;font-weight:600;letter-spacing:-.015em;margin-bottom:.5rem}
.z-card p{color:var(--muted);font-size:.93rem;line-height:1.65}
.z-card .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--lime);margin-bottom:22px}
.z-card.s2{grid-column:span 2}.z-card.s3{grid-column:span 3}.z-card.s4{grid-column:span 4}
.z-card img{border-radius:12px;margin-top:24px;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 20px 40px -20px rgba(0,0,0,.8)}
.z-card.media{padding-bottom:0}
.z-card.media img{border-radius:12px 12px 0 0}
@media(max-width:960px){.z-bento{grid-template-columns:1fr 1fr}.z-card.s2,.z-card.s3,.z-card.s4{grid-column:span 1}.z-card.full-sm{grid-column:1/-1}}
@media(max-width:620px){.z-bento{grid-template-columns:1fr}.z-card.s2,.z-card.s3,.z-card.s4,.z-card.full-sm{grid-column:auto}}

.z-orb{position:relative;width:132px;height:132px;margin:8px auto 18px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 35%,#e5ff9a,#c5f74f 45%,#8fcf1f);box-shadow:0 0 0 14px rgba(197,247,79,.08),0 0 0 30px rgba(197,247,79,.04),0 20px 60px -10px rgba(197,247,79,.6);color:#0a0f17}
.z-orb::after{content:'';position:absolute;inset:-30px;border-radius:50%;border:1px solid rgba(197,247,79,.25);animation:pulse 2.6s ease-out infinite}
@keyframes pulse{from{transform:scale(.8);opacity:1}to{transform:scale(1.25);opacity:0}}

.spec{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
@media(max-width:860px){.spec{grid-template-columns:1fr 1fr}}
.spec div{background:var(--surface);padding:26px 24px}
.spec span{display:block;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:.5rem}
.spec b{font-family:var(--mono);font-weight:500;font-size:1.05rem;color:var(--ink)}

.shots-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
@media(max-width:860px){.shots-row{grid-template-columns:1fr}}

.privacy-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.privacy-row{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.privacy-row{grid-template-columns:1fr}}

/* ==========================================================================
   LEGAL
   ========================================================================== */
.legal-hero{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.legal-hero .app-id{margin-bottom:22px}
.legal-hero .h-1{margin-bottom:.8rem}
.legal-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.legal-layout{display:grid;grid-template-columns:240px 1fr;gap:64px;padding:56px 0 112px}
@media(max-width:900px){.legal-layout{grid-template-columns:1fr;gap:28px}}
.legal-layout>*{min-width:0}
.legal-aside{position:sticky;top:96px;align-self:start}
@media(max-width:900px){.legal-aside{position:static}}
.legal-aside h4{font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:.9rem}
.legal-aside ul{list-style:none;display:flex;flex-direction:column;gap:.15rem;margin-bottom:2rem}
.legal-aside a{display:block;font-size:.86rem;color:var(--muted);text-decoration:none;padding:.4rem .7rem;border-radius:8px;border-left:2px solid transparent;transition:all .15s}
.legal-aside a:hover{color:var(--ink);background:var(--surface-2)}
.legal-aside a[aria-current="page"]{color:var(--ink);background:var(--surface-2);font-weight:600}
@media(max-width:900px){.legal-aside .toc{display:none}}
.prose{max-width:720px;font-size:1rem;color:var(--ink-2)}
.prose h2{font-family:var(--sans);font-size:1.18rem;font-weight:600;letter-spacing:-.015em;color:var(--ink);margin:2.6rem 0 .8rem;scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1rem;font-weight:600;color:var(--ink);margin:1.6rem 0 .5rem}
.prose p{line-height:1.8;margin-bottom:1rem;color:var(--muted)}
.prose strong{color:var(--ink);font-weight:600}
.prose ul,.prose ol{margin:.2rem 0 1.2rem 1.2rem;display:grid;gap:.5rem}
.prose li{line-height:1.75;color:var(--muted);padding-left:.25rem}
.prose li::marker{color:var(--faint)}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.theme-zentra .prose a{color:var(--lime)}
.prose .callout{padding:20px 22px;border-radius:14px;background:var(--surface-2);border:1px solid var(--line);margin:0 0 1.4rem;color:var(--ink-2);line-height:1.75}
.prose .callout.good{background:color-mix(in srgb,var(--ok) 9%,transparent);border-color:color-mix(in srgb,var(--ok) 25%,transparent)}
.prose .callout p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.4rem;font-size:.9rem}
.prose th,.prose td{min-width:120px;text-align:left;padding:.75rem .9rem;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted);line-height:1.6}
.prose th{color:var(--ink);font-weight:600;background:var(--surface-2)}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin-bottom:1.4rem}
.table-scroll table{margin:0}
.legal-foot{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line)}