/* Breather site — shared styles. Colours sampled from the Breather app window. */
:root{
  --bg:#0D1114; --bg-2:#101519; --card:#141821; --card-2:#181D26; --line:#232A33; --line-soft:#1C222A;
  --text:#ECE8E1; --mute:#8D959F; --mute-2:#848C96;
  /* accent = current theme (Amber by default) */
  --acc:#E1A55C; --acc-hi:#EAB872; --acc-lo:#D08C48; --acc-ink:#1C1206; --acc-soft:rgba(225,165,92,.14); --acc-glow:rgba(225,165,92,.35);
  --orb-hi:#F6E3C4;
  --serif:"Gelasio",Georgia,"Times New Roman",serif;
  --sans:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --r:18px;
  color-scheme:dark;
}
[data-accent="ocean"]{--acc:#28BBDC;--acc-hi:#62D2EB;--acc-lo:#1C98BA;--acc-ink:#04161C;--acc-soft:rgba(40,187,220,.14);--acc-glow:rgba(40,187,220,.35);--orb-hi:#D3F4FC}
[data-accent="dawn"]{--acc:#F37A4D;--acc-hi:#F89B76;--acc-lo:#D9603A;--acc-ink:#200A02;--acc-soft:rgba(243,122,77,.14);--acc-glow:rgba(243,122,77,.35);--orb-hi:#FDE0D2}
[data-accent="lavender"]{--acc:#CD7ED9;--acc-hi:#DDA0E6;--acc-lo:#AF60BE;--acc-ink:#1C0920;--acc-soft:rgba(205,126,217,.15);--acc-glow:rgba(205,126,217,.35);--orb-hi:#F6E2F9}
[data-accent="sage"]{--acc:#4C9975;--acc-hi:#6DBA94;--acc-lo:#3A7E5F;--acc-ink:#04140C;--acc-soft:rgba(76,153,117,.16);--acc-glow:rgba(76,153,117,.38);--orb-hi:#DDF3E7}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.65 var(--sans);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{display:block}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:8px}
::selection{background:var(--acc);color:var(--acc-ink)}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;line-height:1.08;margin:0;text-wrap:balance}
h1 em,h2 em{font-style:italic;color:var(--acc)}
p{margin:0;text-wrap:pretty}
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(16px,5vw,40px)}
.skip{position:absolute;left:-999px;top:8px;z-index:50;background:var(--acc);color:var(--acc-ink);padding:8px 14px;border-radius:10px;font-weight:600}
.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* the app's section label: short accent dash + small caps */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:600 .78rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 18px}
.eyebrow::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--acc)}

/* orb (logo + big hero version) */
.orb-dot{flex:none;width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 34% 30%,var(--orb-hi) 0%,var(--acc-hi) 30%,var(--acc) 62%,var(--acc-lo) 100%);box-shadow:0 0 0 1px rgba(255,255,255,.06),0 0 18px var(--acc-glow)}

/* header */
.site-head{position:sticky;top:0;z-index:30;background:rgba(13,17,20,.72);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-head.scrolled{border-color:var(--line-soft);background:rgba(13,17,20,.88)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font:400 1.45rem var(--serif);letter-spacing:-.01em}
.brand .orb-dot{width:26px;height:26px}
.site-nav{display:flex;align-items:center;gap:2px}
.site-nav a{padding:8px 13px;border-radius:999px;text-decoration:none;color:var(--mute);font-size:.95rem;font-weight:500;transition:color .2s,background .2s}
.site-nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.site-nav a[aria-current="page"]{color:var(--text);background:rgba(255,255,255,.06)}
.site-nav .btn{margin-left:10px}

/* buttons, styled like the app's "Preview pop-up" / "Restart timer" */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:12px 24px;border-radius:12px;border:0;cursor:pointer;text-decoration:none;font:600 1rem/1.2 var(--sans);color:var(--acc-ink);background:linear-gradient(100deg,var(--acc-hi),var(--acc-lo));box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 12px 30px -14px var(--acc-glow);transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 18px 36px -14px var(--acc-glow)}
.btn:active{transform:none}
.btn svg{flex:none}
.btn-sm{min-height:38px;padding:8px 16px;font-size:.92rem;border-radius:10px}
.btn-lg{min-height:54px;padding:15px 30px;font-size:1.06rem;border-radius:14px}
/* "Coming soon": white text needs a darker take on the theme colour to stay readable (≥4.5:1 in every theme) */
.btn[aria-disabled="true"]{cursor:default;color:#fff;background:#3A3F48;background:linear-gradient(100deg,color-mix(in srgb,var(--acc) 55%,#000),color-mix(in srgb,var(--acc-lo) 50%,#000));box-shadow:0 1px 0 rgba(255,255,255,.12) inset}
.btn-lg{text-align:center}
.btn-ghost[aria-disabled="true"]{cursor:default;color:var(--mute)}
.btn-ghost[aria-disabled="true"]:hover{border-color:var(--line);background:var(--card)}

/* download details: version line, file check, unsigned-app note */
.dl-meta{display:flex;flex-wrap:wrap;gap:4px 14px;margin:14px 0 0;color:var(--mute);font-size:.9rem}
.dl-meta span+span::before{content:"·";margin-right:14px;color:var(--mute-2)}
.dl-help{margin-top:14px;max-width:560px;font-size:.92rem;color:var(--mute)}
.dl-help summary{cursor:pointer;color:var(--text);font-weight:500;list-style:none;display:inline-flex;align-items:center;gap:8px}
.dl-help summary::-webkit-details-marker{display:none}
.dl-help summary::before{content:"";width:7px;height:7px;border-right:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg);transition:transform .2s}
.dl-help[open] summary::before{transform:rotate(45deg)}
.dl-help p{margin:10px 0 0}
.dl-help code{display:block;margin-top:6px;padding:8px 10px;overflow-wrap:anywhere;font-size:.8rem}
.site-nav .btn{white-space:nowrap;flex:none}
/* the nav link colours must not apply to the button inside the nav */
.site-nav .btn,.site-nav .btn:hover{color:var(--acc-ink);background:linear-gradient(100deg,var(--acc-hi),var(--acc-lo))}
.btn[aria-disabled="true"]:hover{transform:none;filter:none}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 22px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text);text-decoration:none;font:500 1rem/1.2 var(--sans);cursor:pointer;transition:border-color .2s,background .2s}
.btn-ghost:hover{border-color:#36404B;background:var(--card-2)}

/* cards */
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r)}

/* theme picker (same five as the app) */
.themes{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px;margin:0;padding:0;list-style:none}
.theme-btn{all:unset;box-sizing:border-box;cursor:pointer;display:grid;justify-items:center;gap:6px;min-width:52px;font-size:.78rem;color:var(--mute);transition:color .2s}
.theme-btn .sw{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#1A2029;border:2px solid transparent;transition:border-color .2s,transform .2s var(--ease)}
.theme-btn .sw::after{content:"";width:16px;height:16px;border-radius:50%;background:var(--c)}
.theme-btn:hover .sw{transform:scale(1.06)}
.theme-btn[aria-pressed="true"]{color:var(--text);font-weight:600}
.theme-btn[aria-pressed="true"] .sw{border-color:var(--c);background:#F4F1EC}
.theme-btn[aria-pressed="true"] .sw::after{width:18px;height:18px}
.theme-btn:focus-visible .sw{outline:2px solid var(--c);outline-offset:3px}

/* sections */
.section{padding:clamp(72px,10vw,128px) 0}
.section-head{max-width:640px;margin-bottom:clamp(36px,5vw,56px)}
.section-head h2{font-size:clamp(2.1rem,4.6vw,3.4rem)}
.section-head p{color:var(--mute);font-size:1.12rem;margin-top:16px;max-width:52ch}
.center{text-align:center;margin-left:auto;margin-right:auto}
.center .eyebrow{justify-content:center}

/* footer */
.site-foot{border-top:1px solid var(--line-soft);padding:40px 0 calc(44px + env(safe-area-inset-bottom,0px));color:var(--mute);font-size:.95rem}
.site-foot .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px 28px}
.site-foot .brand{font-size:1.25rem;color:var(--text)}
.site-foot nav{display:flex;flex-wrap:wrap;gap:4px}
.site-foot nav a{padding:6px 10px;border-radius:8px;text-decoration:none}
.site-foot nav a:hover{color:var(--text)}
.site-foot small{font-size:.9rem}
.site-foot small a{text-decoration:none}
.site-foot small a:hover{color:var(--text)}

/* inner pages: title band + document */
.page-top{position:relative;overflow:hidden;padding:clamp(48px,8vw,104px) 0 clamp(40px,6vw,72px)}
.page-top::before{content:"";position:absolute;width:640px;height:640px;right:-160px;top:-320px;border-radius:50%;background:radial-gradient(circle,var(--acc-soft),transparent 65%);pointer-events:none}
.page-top h1{font-size:clamp(2.6rem,7vw,4.6rem)}
.page-top p{color:var(--mute);font-size:1.15rem;margin-top:18px;max-width:46ch}
.doc{max-width:720px;padding-bottom:clamp(64px,9vw,112px)}
.doc .summary{padding:22px 24px;border-left:3px solid var(--acc);margin-bottom:40px}
.doc .summary p{color:var(--text)}
.doc h2{font:600 1.15rem/1.35 var(--sans);letter-spacing:0;margin:36px 0 8px}
.doc p{color:var(--mute)}
.doc p a,.faq p a,.more a{color:var(--acc);text-underline-offset:3px}
code{font:500 .92em ui-monospace,"Cascadia Code",Consolas,monospace;background:var(--card-2);border:1px solid var(--line-soft);padding:1px 6px;border-radius:6px;color:var(--text)}

/* FAQ */
.faq{max-width:780px;padding-bottom:clamp(64px,9vw,112px)}
.faq details{margin:0 0 10px;padding:0 22px;transition:border-color .2s}
.faq details[open]{border-color:var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;min-width:0;overflow-wrap:anywhere;align-items:center;justify-content:space-between;gap:18px;padding:19px 0;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--mute);border-bottom:2px solid var(--mute);transform:rotate(45deg) translate(-2px,-2px);transition:transform .25s var(--ease),border-color .2s}
.faq details[open] summary::after{transform:rotate(225deg) translate(-2px,-2px);border-color:var(--acc)}
.faq details p{color:var(--mute);margin:-4px 0 20px;max-width:62ch}
.faq-group{font:600 .74rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--mute-2);margin:34px 0 14px}
.faq-group:first-child{margin-top:0}
.more{margin-top:32px;color:var(--mute)}
.contact-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;padding:24px 26px;margin-top:30px}
.contact-card strong{display:block;font:400 1.4rem var(--serif)}
.contact-card span{color:var(--mute);font-size:.95rem}
@media (max-width:520px){.contact-card .btn{width:100%;white-space:normal;text-align:center;overflow-wrap:anywhere}}

/* scroll reveal: only when JS runs, so content never stays hidden */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform 1s var(--ease);transition-delay:calc(var(--d,0) * 90ms)}
.js .rv.in{opacity:1;transform:none}

@media (max-width:860px){
  .site-nav a:not(.btn){display:none}
}
@media (max-width:360px){
  .brand{font-size:1.25rem;gap:10px}
  .site-nav .btn{padding:8px 12px;font-size:.88rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .js .rv{opacity:1;transform:none}
}