/* Tidewatch download page (kawalec.pl/tidewatch, craftweb.pl/tidewatch). Visual language of the
   kawalec.pl project pages: near-black page with faint vertical grid lines, Funnel Display and
   Mozilla Text, a capsule nav, white pill buttons with a dark arrow dot, dark cards with a hairline.
   The accent colors are the app's lamps. All URLs are relative: the page lives under a prefix. */

@font-face{font-family:"Funnel Display";src:url(fonts/FunnelDisplay-latin.woff2) format("woff2");font-weight:300 800;font-style:normal;font-display:swap}
@font-face{font-family:"Mozilla Text";src:url(fonts/MozillaText-latin.woff2) format("woff2");font-weight:200 700;font-style:normal;font-display:swap}

:root{
  --bg:#161616;--bg-2:#1b1b1b;--card:#1d1d1d;--card-2:#222;
  --fg:#fff;--fg-2:rgba(255,255,255,.72);--fg-3:rgba(255,255,255,.52);
  --line:rgba(255,255,255,.1);--line-2:rgba(255,255,255,.18);
  /* lamps (app StatusPalette) */
  --green:#4ED17E;--green-deep:#1E8C4A;--orange:#FFA04D;--orange-deep:#C25E12;--grey:#C9CDD3;--grey-deep:#7D838C;
  --display:"Funnel Display",ui-sans-serif,system-ui,-apple-system,sans-serif;
  --text:"Mozilla Text",ui-sans-serif,system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
  --max:1376px;--gut:clamp(16px,2.4vw,32px);
  --r-xl:44px;--r-lg:28px;--r-md:22px;
  --ease:cubic-bezier(.22,.8,.24,1);
  --spring:cubic-bezier(.32,1.36,.48,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px;background:var(--bg)}
body{margin:0;color:var(--fg);font:400 17px/1.6 var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;
  background:var(--bg) linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0/calc((100% - 2*var(--gut))/8) 100% repeat-x;background-origin:content-box;background-clip:content-box;padding:0 var(--gut)}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,transparent 40%,var(--bg) 100%)}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3{font-family:var(--display);font-weight:500;margin:0;text-wrap:balance}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
code{font:500 .86em/1.4 var(--mono);padding:2px 6px;border-radius:7px;background:rgba(255,255,255,.08)}
em{font-style:normal;color:var(--fg)}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:10px}
.skip{position:fixed;left:16px;top:-60px;z-index:100;background:#fff;color:#111;padding:10px 16px;border-radius:12px;font-weight:600;transition:top .2s}
.skip:focus{top:16px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:min(var(--max),100%);margin-inline:auto}

/* ---------------------------------------------------------------- lamps (glass gems) */
.gem{--c:var(--green);--d:var(--green-deep);display:inline-block;flex:none;width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 36% 30%,rgba(255,255,255,.95) 0 9%,rgba(255,255,255,0) 32%),radial-gradient(circle at 50% 62%,var(--c) 0 48%,var(--d) 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.25),0 0 12px color-mix(in srgb,var(--c) 65%,transparent),inset 0 -1px 2px rgba(0,0,0,.25)}
.gem-attention{--c:var(--orange);--d:var(--orange-deep)}
.gem-idle{--c:var(--grey);--d:var(--grey-deep);box-shadow:0 0 0 1px rgba(255,255,255,.28),inset 0 -1px 2px rgba(0,0,0,.25)}
.gem-lg{width:34px;height:34px}
.gem-working{animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{50%{box-shadow:0 0 0 1px rgba(255,255,255,.25),0 0 24px color-mix(in srgb,var(--c) 95%,transparent),inset 0 -1px 2px rgba(0,0,0,.25);filter:brightness(1.08)}}
/* the app's status-change pop */
@keyframes pop{0%{transform:scale(1)}35%{transform:scale(1.32)}65%{transform:scale(.94)}100%{transform:scale(1)}}

/* ---------------------------------------------------------------- buttons */
.btn{display:inline-flex;align-items:center;gap:14px;height:56px;padding:0 6px 0 24px;border-radius:999px;font:500 14px/1 var(--text);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;transition:transform .3s var(--ease),background-color .3s var(--ease),box-shadow .3s var(--ease)}
.btn-light{background:#fff;color:#111}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(78,209,126,.55)}
.btn-dot{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#111;color:#fff;transition:transform .45s var(--spring)}
.btn-dot svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn:hover .btn-dot{transform:translateY(3px)}
.btn-ghost{padding:0 24px;color:var(--fg);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-sm{height:44px;padding:0 4px 0 18px;font-size:12.5px;gap:10px}
.btn-sm .btn-dot{width:36px;height:36px}
.btn-sm .btn-dot svg{width:17px;height:17px}
.btn-wide{width:100%;justify-content:space-between;margin:4px 0 26px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------------------------------------------------------------- header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;height:84px;padding:0 max(var(--gut),calc((100% - var(--max))/2))}
.site-header::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(22,22,22,.92),rgba(22,22,22,0));opacity:0;transition:opacity .35s}
.site-header.is-scrolled::before{opacity:1}
.brand-row{display:flex;align-items:center;gap:14px;min-width:0}
.dk{display:inline-flex;align-items:center;flex:none;color:var(--fg);opacity:.9;transition:opacity .2s}
.dk:hover{opacity:1}
.dk svg{display:block;height:20px;width:auto}
.dk-sm{margin-right:10px;vertical-align:-2px}
.dk-sm svg{height:13px}
.brand-sep{flex:none;width:1px;height:22px;background:var(--line-2)}
@media (max-width:520px){.brand-row{gap:10px}.dk svg{height:16px}.brand-sep{height:18px}.brand{gap:8px;font-size:18px}.brand .gem{width:12px;height:12px}}
.brand{display:flex;align-items:center;gap:11px;font:600 21px/1 var(--display);letter-spacing:-.01em}
.brand .gem{width:15px;height:15px}
.nav{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:4px;padding:8px;border-radius:18px;background:rgba(34,34,34,.82);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:inset 0 0 0 1px var(--line)}
.nav a{padding:12px 18px;border-radius:12px;font:500 13.5px/1 var(--text);letter-spacing:.09em;text-transform:uppercase;color:var(--fg-2);transition:color .2s,background-color .2s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
@media (max-width:900px){.nav{display:none}.site-header{height:72px}}

/* ---------------------------------------------------------------- reveal on scroll */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.js [data-reveal].is-in{opacity:1;transform:none}

/* ---------------------------------------------------------------- hero */
.hero{padding-top:clamp(132px,15vw,200px)}
.hero-head{display:grid;grid-template-columns:minmax(150px,.22fr) minmax(0,1fr);gap:clamp(20px,4vw,64px)}
.tag{align-self:start;display:inline-flex;align-items:center;gap:12px;justify-self:start;height:44px;padding:0 20px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line-2);font-size:16px;margin-top:6px}
.tag-dot{width:6px;height:6px;border-radius:50%;background:#fff}
.kicker{font:400 14.5px/1.4 var(--text);letter-spacing:.04em;text-transform:uppercase;color:var(--fg-2);margin-bottom:18px}
.hero h1{font-size:clamp(46px,6.6vw,96px);line-height:1;letter-spacing:-.035em;max-width:13em}
.lead{margin-top:28px;font-size:clamp(17px,1.45vw,20px);line-height:1.6;color:var(--fg-2);max-width:40em}
.meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:44px 0 40px;max-width:1080px}
.meta dt{font-size:15px;color:var(--fg-3);margin-bottom:6px}
.meta dd{font:500 19px/1.3 var(--display)}
@media (max-width:900px){.hero-head{grid-template-columns:minmax(0,1fr)}.tag{margin:0}.meta{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* The stage: the dusk wallpaper the demo was recorded on, the video glued to its right part and the
   beats of the cycle on the left, lit in sync with the video. */
.stage{position:relative;margin-top:clamp(56px,7vw,96px);min-height:clamp(560px,52vw,740px);border-radius:var(--r-xl);overflow:hidden;isolation:isolate;
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:clamp(24px,5vw,80px);padding:clamp(28px,4vw,64px) clamp(28px,7vw,120px) clamp(28px,4vw,64px) clamp(28px,5vw,80px);
  background:url(img/dusk.webp) center/cover no-repeat}
.stage::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,12,22,.78),rgba(10,12,22,.35) 55%,rgba(10,12,22,.1))}
.screen{position:relative;width:clamp(280px,28vw,402px);aspect-ratio:402/600;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 50px 90px -40px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.22);transition:transform .7s var(--spring),box-shadow .5s var(--ease)}
.screen video{width:100%;height:100%;object-fit:cover}
.stage:hover .screen{transform:translateY(-6px) scale(1.015);box-shadow:0 60px 110px -40px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.32)}
.beats{display:grid;gap:6px;max-width:460px;counter-reset:beat}
.beats li{position:relative;display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:18px;font:500 clamp(16px,1.35vw,19px)/1.35 var(--display);color:rgba(255,255,255,.5);transition:color .45s var(--ease),background-color .45s var(--ease)}
.beats li .gem{opacity:.45;transition:opacity .45s,transform .45s}
.beats li code{background:rgba(255,255,255,.12);font-size:.82em}
.beats li::after{content:"";position:absolute;left:20px;right:20px;bottom:8px;height:2px;border-radius:2px;background:rgba(255,255,255,.75);transform:scaleX(0);transform-origin:left}
.beats li.is-on{color:#fff;background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16)}
.beats li.is-on .gem{opacity:1;animation:pop .6s var(--ease)}
.beats li.is-on::after{animation:progress var(--beat,1.4s) linear forwards}
@keyframes progress{to{transform:scaleX(1)}}
.stage-note{position:absolute;right:clamp(20px,3vw,40px);bottom:18px;font-size:13px;color:rgba(255,255,255,.62)}
@media (max-width:860px){
  .stage{grid-template-columns:minmax(0,1fr);justify-items:center;padding:32px 20px 52px;min-height:0}
  .stage::before{background:linear-gradient(180deg,rgba(10,12,22,.25),rgba(10,12,22,.7))}
  .screen{order:-1;width:min(300px,78vw)}
  .beats{width:100%}
  .beats li{padding:12px 16px;font-size:16px}
  .beats li:not(.is-on){display:none}
  .stage-note{left:0;right:0;text-align:center}
}

/* ---------------------------------------------------------------- sections */
.section{padding:clamp(88px,10vw,150px) 0 0}
.split{display:grid;grid-template-columns:minmax(150px,.3fr) minmax(0,1fr);gap:clamp(20px,4vw,64px);align-items:start}
.label{font:400 clamp(17px,1.5vw,21px)/1.3 var(--text);letter-spacing:.02em;text-transform:uppercase;color:var(--fg-2);padding-top:.5em}
.statement{font-size:clamp(30px,3.3vw,48px);line-height:1.14;letter-spacing:-.025em;max-width:22em}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}.label{padding:0}}

.card{position:relative;border-radius:var(--r-md);background:var(--card);box-shadow:inset 0 0 0 1px var(--line);
  transition:transform .5s var(--spring),box-shadow .4s var(--ease),background-color .4s var(--ease)}
.card:hover{transform:translateY(-4px);background:var(--card-2);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent,var(--green)) 45%,transparent),0 30px 60px -40px color-mix(in srgb,var(--accent,var(--green)) 60%,transparent)}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:clamp(40px,5vw,64px)}
.stat{padding:30px 30px 34px}
.num{font:500 clamp(48px,5vw,64px)/1 var(--display);letter-spacing:-.03em;color:var(--green);margin-bottom:22px}
.num span{font-size:.4em;letter-spacing:0;margin-left:6px}
.stat p:last-child{font-size:15.5px;color:var(--fg-2);max-width:20em}
@media (max-width:1000px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.stats{gap:12px}.stat{padding:22px 18px 24px}.num{margin-bottom:14px}.num span{display:block;margin:6px 0 0}.stat p:last-child{font-size:14.5px}}

.states{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:clamp(40px,5vw,64px)}
.state{padding:30px 28px 34px}
.state-attention{--accent:var(--orange)}
.state-idle{--accent:var(--grey)}
.state .gem{margin-bottom:28px}
.state:hover .gem{animation:pop .6s var(--ease)}
.state:hover .gem-working{animation:pop .6s var(--ease),breathe 2.6s ease-in-out .6s infinite}
.state h3{font-size:24px;letter-spacing:-.01em;margin-bottom:10px}
.state p{font-size:15.5px;color:var(--fg-2)}
@media (max-width:1000px){.states{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.states{grid-template-columns:minmax(0,1fr)}}

.how{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(40px,7vw,120px);align-items:center}
.how-list{display:grid;margin-top:clamp(32px,4vw,48px);border-top:1px solid var(--line)}
.how-list li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;padding:26px 0;border-bottom:1px solid var(--line);transition:padding-left .4s var(--ease)}
.how-list li:hover{padding-left:10px}
.step{font:500 14px/1.9 var(--mono);color:var(--green)}
.how-list h3{font-size:22px;margin-bottom:6px}
.how-list p{color:var(--fg-2);font-size:16px;max-width:36em}
.how-media{margin:0;display:flex;flex-direction:column;align-items:center;gap:20px;justify-self:center}
.how-media figcaption{font-size:14px;color:var(--fg-3);text-align:center;max-width:24em}
.screen-sm{width:clamp(260px,24vw,340px)}
.how-media:hover .screen{transform:translateY(-6px) scale(1.015)}
.seg{display:inline-flex;padding:5px;border-radius:999px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.seg button{height:36px;padding:0 18px;border-radius:999px;font:500 13px/1 var(--text);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-2);transition:background-color .3s,color .3s}
.seg button[aria-pressed="true"]{background:#fff;color:#111}
@media (max-width:900px){.how{grid-template-columns:minmax(0,1fr)}}

.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:clamp(40px,5vw,64px)}
.fact{padding:32px 32px 36px}
.fact h3{font-size:23px;margin-bottom:10px}
.fact p{color:var(--fg-2);font-size:16px}
@media (max-width:760px){.facts{grid-template-columns:minmax(0,1fr)}}

.install{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(40px,7vw,120px);align-items:end}
.specs{padding:32px}
.specs:hover{transform:none}
.specs h3{font-size:22px;margin-bottom:16px}
.specs ul{display:grid;gap:10px;margin-bottom:28px}
.specs li{position:relative;padding-left:24px;font-size:15.5px;color:var(--fg-2)}
.specs li::before{content:"";position:absolute;left:2px;top:.6em;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px rgba(78,209,126,.7)}
.verify summary{list-style:none;display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--fg-3);cursor:pointer;transition:color .2s}
.verify summary::-webkit-details-marker{display:none}
.verify summary::before{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg);transition:transform .3s var(--spring)}
.verify[open] summary::before{transform:rotate(45deg)}
.verify summary:hover{color:var(--fg)}
.verify p{margin:12px 0;font-size:14px;color:var(--fg-3)}
.verify p code{font-size:12px}
.sha{display:flex;align-items:center;gap:10px;padding:10px 10px 10px 14px;border-radius:14px;background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px var(--line)}
.sha code{flex:1;min-width:0;padding:0;background:none;font-size:12px;line-height:1.5;word-break:break-all;color:var(--fg-2)}
.sha-copy{flex:none;height:32px;padding:0 14px;border-radius:999px;font:500 12px/1 var(--text);letter-spacing:.06em;text-transform:uppercase;background:#fff;color:#111}
@media (max-width:900px){.install{grid-template-columns:minmax(0,1fr)}}

.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 2px;font:500 clamp(19px,1.6vw,23px)/1.3 var(--display);cursor:pointer;transition:color .2s}
.faq summary:hover{color:var(--green)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-3px,-3px);transition:transform .35s var(--spring)}
.faq details[open] summary::after{transform:rotate(-135deg) translate(-3px,-3px)}
.faq details p{padding:0 2px 26px;color:var(--fg-2);max-width:44em}

.outro{padding:clamp(110px,12vw,180px) 0 clamp(80px,9vw,120px);text-align:center}
.outro-inner{display:flex;flex-direction:column;align-items:center;gap:30px}
.outro-lamps{display:flex;flex-direction:column;gap:12px;padding:16px 13px;border-radius:999px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px var(--line-2)}
.outro-lamps .gem{width:16px;height:16px}
.outro-lamps .gem:nth-child(2){animation:pop .7s var(--ease) 1.2s 3}
.outro h2{font-size:clamp(40px,6vw,88px);line-height:1;letter-spacing:-.035em}
.outro-meta{font-size:14px;color:var(--fg-3)}

.site-footer{padding:30px 0 40px;border-top:1px solid var(--line);font-size:15px;color:var(--fg-2)}
.footer-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px}
.footer-row b{color:var(--fg);font-weight:500}
.footer-row a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-2)}
.footer-row a:hover{text-decoration-color:currentColor}
.footer-note{color:var(--fg-3)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}