@font-face {
  font-family: 'Lexend';
  font-weight: 300;
  font-display: swap;
  src: url(../fonts/lexend-300.woff2) format('woff2');
}
@font-face {
  font-family: 'Lexend';
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/lexend-400.woff2) format('woff2');
}
@font-face {
  font-family: 'Lexend';
  font-weight: 600;
  font-display: swap;
  src: url(../fonts/lexend-600.woff2) format('woff2');
}
@font-face {
  font-family: 'Lexend';
  font-weight: 700;
  font-display: swap;
  src: url(../fonts/lexend-700.woff2) format('woff2');
}

:root{
  --bg:#0a0c10;
  --bg-raised:#11141a;
  --ink:#eef1f4;
  --ink-dim:#a7b0bb;
  --ink-faint:#6b7480;
  --line:rgba(255,255,255,0.08);
  --accent:#7fc9d4;
  --accent-ink:#04262b;
  /* mood scale, depressed -> manic (app's 7-point check-in colors) */
  --m-lo:#3e6fd0;
  --m-hi:#d5544f;
  --mood-thread:linear-gradient(180deg,#3e6fd0,#4f9bd4,#57bcc5,#6cbf7b,#e4c24c,#e08a3c,#d5544f);
  --mood:#142e54;
  --mood-line:rgba(127,184,229,0.28);
  --journal:#12211f;
  --journal-line:rgba(120,199,170,0.28);
  --sleep:#0a1229;
  --sleep-line:rgba(120,150,229,0.28);
  --health:#0f2129;
  --health-line:rgba(127,201,212,0.3);
  --settings:#17191f;
  --settings-line:rgba(255,255,255,0.14);
  --r-card:18px;
  --r-chrome:14px;
  --r-input:12px;
  --r-chip:10px;
  --shadow: 0 30px 60px -20px rgba(0,0,0,0.55);
}
:root[data-theme="light"]{
  --bg:#f4f6f8;
  --bg-raised:#ffffff;
  --ink:#161a1f;
  --ink-dim:#4b5563;
  --ink-faint:#8a93a0;
  --line:rgba(15,20,25,0.09);
  --shadow: 0 30px 60px -24px rgba(20,30,40,0.22);
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f4f6f8;
    --bg-raised:#ffffff;
    --ink:#161a1f;
    --ink-dim:#4b5563;
    --ink-faint:#8a93a0;
    --line:rgba(15,20,25,0.09);
    --shadow: 0 30px 60px -24px rgba(20,30,40,0.22);
  }
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Lexend', -apple-system, sans-serif;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;}
::selection{background:var(--accent);color:var(--accent-ink);}

.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}

/* ---------- nav ---------- */
header.topnav{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.topnav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-0.01em;text-decoration:none;}
.brand .mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(160deg,var(--accent),#4f95a3);
  display:flex;align-items:center;justify-content:center;
  color:#04262b;font-weight:700;font-size:15px;
}
nav.links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-dim);}
nav.links a{text-decoration:none;transition:color .15s;position:relative;padding:4px 0;}
nav.links a:hover, nav.links a.active{color:var(--ink);}
nav.links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.navcta{display:flex;align-items:center;gap:14px;}

/* ---------- badge / cta button ---------- */
.badge{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--ink);color:var(--bg);
  padding:11px 20px;border-radius:var(--r-chrome);
  font-size:14.5px;font-weight:600;text-decoration:none;
  transition:transform .15s ease, opacity .15s ease;
  white-space:nowrap;
}
.badge:hover{transform:translateY(-1px);opacity:.9;}
.badge:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.badge svg{width:18px;height:18px;flex:none;}
.badge.ghost{
  background:transparent;color:var(--ink);
  border:1px solid var(--line);
}
.badge.ghost:hover{border-color:var(--accent);}

/* ---------- hero (quiet editorial) ---------- */
.hero{
  padding:132px 0 128px;
  position:relative;
}
.hero .wrap{
  display:grid;
  grid-template-columns:2px minmax(0,1fr);
  column-gap:44px;
  align-items:stretch;
}
/* signature: vertical mood-scale thread as an editorial margin rule */
.hero-thread{
  position:relative;
  width:2px;border-radius:2px;
  background:var(--mood-thread);
  transform-origin:top center;
  animation:thread-draw .7s cubic-bezier(.2,.7,.2,1) both;
}
.hero-thread::after{
  content:"";position:absolute;left:50%;bottom:-3px;
  width:12px;height:12px;border-radius:50%;
  transform:translateX(-50%);
  background:var(--m-hi);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--m-hi) 22%, transparent);
  animation:thread-dot .5s ease .55s both;
}
@keyframes thread-draw{from{transform:scaleY(0);}to{transform:scaleY(1);}}
@keyframes thread-dot{from{opacity:0;transform:translateX(-50%) scale(.4);}to{opacity:1;transform:translateX(-50%) scale(1);}}
@media (prefers-reduced-motion:reduce){
  .hero-thread{animation:none;}
  .hero-thread::after{animation:none;}
}

.hero-copy{max-width:860px;min-width:0;}
.eyebrow{
  display:block;
  font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-faint);font-weight:600;margin:2px 0 30px;
}
h1.display{
  font-size:clamp(34px,6vw,72px);
  font-weight:300;
  line-height:1.04;
  letter-spacing:-0.03em;
  text-wrap:balance;
  margin:0 0 30px;
}
h1.display .d-break{display:none;}
@media (min-width:680px){ h1.display .d-break{display:block;} }
.hero p.lede{
  font-size:18px;line-height:1.6;color:var(--ink-dim);
  max-width:42ch;margin:0 0 40px;
}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:26px;}
.trust-line{font-size:13px;color:var(--ink-faint);letter-spacing:.01em;}

/* ---------- section scaffolding ---------- */
section{padding:104px 0;}
section.tight{padding:72px 0;}
.section-head{max-width:640px;margin:0 0 52px;}
.kicker{
  font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin:0 0 14px;
}
h2.title{
  font-size:clamp(28px,3.4vw,40px);font-weight:700;letter-spacing:-0.015em;
  line-height:1.12;margin:0 0 14px;text-wrap:balance;
}
.section-head p{font-size:16.5px;line-height:1.65;color:var(--ink-dim);margin:0;}

/* ---------- app tour ---------- */
.tour{
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:60px;align-items:start;
}
.tabbar{
  display:flex;flex-direction:column;gap:8px;
  background:var(--bg-raised);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:8px;
}
.tabbar button{
  all:unset;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;border-radius:var(--r-chrome);
  font-family:inherit;font-size:15.5px;font-weight:600;color:var(--ink-dim);
  transition:background .15s,color .15s;
}
.tabbar button .ic{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;flex:none;
  background:var(--line);
}
.tabbar button .ic svg{width:17px;height:17px;}
.tabbar button .sub{display:block;font-size:12.5px;font-weight:400;color:var(--ink-faint);margin-top:2px;}
.tabbar button.is-active{background:var(--accent);color:var(--accent-ink);}
.tabbar button.is-active .sub{color:color-mix(in srgb, var(--accent-ink) 70%, transparent);}
.tabbar button.is-active .ic{background:rgba(4,38,43,0.16);}
.tabbar button:not(.is-active):hover{background:var(--line);color:var(--ink);}

.tour-stage{
  display:flex;gap:40px;align-items:center;
  background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;min-height:420px;
}
.tour-stage .frame{
  width:220px;flex:none;border-radius:32px;overflow:hidden;
  border:7px solid #05060a;box-shadow:var(--shadow);
}
.tour-stage .frame img, .tour-stage .frame .mock{display:block;width:100%;}
.tour-copy h3{font-size:22px;font-weight:700;margin:0 0 10px;letter-spacing:-0.01em;}
.tour-copy p{font-size:15.5px;line-height:1.65;color:var(--ink-dim);margin:0;max-width:38ch;}

.mock{aspect-ratio:9/19.5;width:100%;position:relative;overflow:hidden;font-family:'Lexend',sans-serif;color:#fff;}
.mock .mbar{display:flex;justify-content:space-between;padding:14px 16px 4px;font-size:11px;opacity:.85;}
.mock .mtitle{font-size:19px;font-weight:700;padding:10px 16px 2px;}
.mock .msub{font-size:10.5px;opacity:.65;padding:0 16px 14px;}
.mock .mcard{
  margin:0 12px 10px;padding:14px;border-radius:14px;
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.1);
}
.mock .mrow{display:flex;align-items:center;gap:10px;font-size:11.5px;font-weight:600;}
.mock .mrow .dot{width:8px;height:8px;border-radius:50%;flex:none;}
.mock .mline{height:6px;border-radius:3px;background:rgba(255,255,255,0.14);margin-top:8px;}
.mock .mchip{
  display:inline-block;font-size:9px;padding:3px 8px;border-radius:8px;
  background:rgba(255,255,255,0.12);margin-top:8px;
}

/* ---------- feature grid ---------- */
.feature-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.feature-grid .f5{grid-column:span 1;}
.fcard{
  background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .15s, transform .15s;
}
.fcard:hover{border-color:var(--accent);transform:translateY(-3px);}
.fcard .ic{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--line);color:var(--accent);
}
.fcard .ic svg{width:19px;height:19px;}
.fcard h4{font-size:15.5px;font-weight:600;margin:0;letter-spacing:-0.005em;}
.fcard p{font-size:13.5px;line-height:1.55;color:var(--ink-dim);margin:0;}

/* ---------- privacy ---------- */
.privacy{
  background:var(--bg-raised);
  border:1px solid var(--line);
  border-radius:28px;
  padding:60px;
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:50px;align-items:center;
}
.privacy .lock{
  width:64px;height:64px;border-radius:18px;
  background:color-mix(in srgb, var(--accent) 16%, transparent);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
  margin-bottom:22px;
}
.privacy .lock svg{width:30px;height:30px;}
.privacy h2{font-size:30px;font-weight:700;letter-spacing:-0.015em;margin:0 0 14px;text-wrap:balance;}
.privacy > div:first-child > p{font-size:15.5px;line-height:1.65;color:var(--ink-dim);margin:0;max-width:36ch;}
.plist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px;}
.plist li{display:flex;gap:16px;align-items:flex-start;}
.plist .num{
  flex:none;width:28px;height:28px;border-radius:8px;
  background:rgba(127,201,212,0.14);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
}
.plist strong{display:block;font-size:14.5px;font-weight:600;margin-bottom:3px;}
.plist span{font-size:13.5px;color:var(--ink-dim);line-height:1.5;}

/* ---------- final cta ---------- */
.final{
  text-align:center;padding:120px 0 100px;
}
.final h2{font-size:clamp(30px,4vw,46px);font-weight:700;letter-spacing:-0.02em;margin:0 0 18px;text-wrap:balance;}
.final p{font-size:16.5px;color:var(--ink-dim);max-width:44ch;margin:0 auto 36px;line-height:1.6;}
.final .ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

footer{
  border-top:1px solid var(--line);padding:36px 0;
}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
footer .fnote{font-size:12.5px;color:var(--ink-faint);}
footer nav.foot{display:flex;gap:22px;font-size:13px;color:var(--ink-dim);flex-wrap:wrap;}
footer nav.foot a{text-decoration:none;transition:color .15s;}
footer nav.foot a:hover{color:var(--ink);}
.theme-toggle{
  all:unset;cursor:pointer;display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);color:var(--ink-dim);
}
.theme-toggle:hover{color:var(--ink);border-color:var(--accent);}
.theme-toggle svg{width:16px;height:16px;}

.rationale{
  max-width:720px;margin:0 auto;padding:40px 0 0;
  font-size:12.5px;line-height:1.7;color:var(--ink-faint);
  border-top:1px solid var(--line);
}
.rationale strong{color:var(--ink-dim);}

/* ---------- legal / support prose (privacy + support pages) ---------- */
.doc{max-width:760px;margin:0 auto;padding:72px 0 40px;}
.doc .kicker{margin-bottom:14px;}
.doc h1{font-size:clamp(30px,4vw,42px);font-weight:700;letter-spacing:-0.02em;line-height:1.1;margin:0 0 12px;text-wrap:balance;}
.doc .updated{font-size:13px;color:var(--ink-faint);margin:0 0 40px;}
.doc h2{font-size:21px;font-weight:700;letter-spacing:-0.01em;margin:44px 0 12px;}
.doc h3{font-size:16px;font-weight:600;margin:28px 0 8px;}
.doc p{font-size:15.5px;line-height:1.7;color:var(--ink-dim);margin:0 0 16px;}
.doc ul{margin:0 0 16px;padding-left:22px;}
.doc li{font-size:15.5px;line-height:1.7;color:var(--ink-dim);margin-bottom:8px;}
.doc a{color:var(--accent);text-decoration:none;}
.doc a:hover{text-decoration:underline;}
.doc strong{color:var(--ink);font-weight:600;}
.doc .lead{font-size:17px;color:var(--ink);}

@media (max-width:900px){
  .hero{padding:88px 0 84px;}
  .hero .wrap{grid-template-columns:2px minmax(0,1fr);column-gap:24px;}
  .tour{grid-template-columns:1fr;}
  .tour-stage{flex-direction:column;padding:28px;text-align:center;}
  .tour-stage .frame{width:190px;margin:0 auto;}
  .tour-copy p{max-width:none;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .privacy{grid-template-columns:1fr;padding:36px;border-radius:20px;}
  nav.links{display:none;}
  section{padding:72px 0;}
}
@media (max-width:520px){
  .wrap{padding:0 20px;}
  .feature-grid{grid-template-columns:1fr;}
}