/* ═══════════════════════════════════════════════════════════════════════
   Calmline — design system
   Token layer first, then components. Same architecture as the reference:
   a spacing/type scale, section rhythm, an icon system, and reveal states —
   so sections compose instead of each carrying bespoke CSS.
   ═══════════════════════════════════════════════════════════════════════ */

:root{
  /* Palette — the app's own ramp: cyan at rest, amber under strain */
  --calm:#24f2f2; --balanced:#30f0b6; --elevated:#f7c925; --strained:#ff7714;
  --ink:#05070a; --bg:#070a0e; --bg-2:#0a0e14; --panel:#0e141c; --panel-2:#121a24;
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --text:#f2f7fa; --muted:#9db0c0; --faint:#68798a;

  --grad:linear-gradient(96deg,var(--calm),var(--balanced) 42%,var(--elevated) 74%,var(--strained));
  --grad-cool:linear-gradient(96deg,var(--calm),var(--balanced));

  /* Type scale */
  --sans:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,'SF Mono',Menlo,monospace;
  --fs-display:clamp(42px,6.6vw,78px);
  --fs-h2:clamp(30px,4vw,46px);
  --fs-h3:clamp(19px,1.6vw,22px);
  --fs-lead:clamp(17px,1.5vw,20px);

  /* Rhythm */
  --s-1:8px; --s-2:14px; --s-3:22px; --s-4:34px; --s-5:52px; --s-6:80px; --s-7:120px;
  --r-sm:14px; --r:20px; --r-lg:28px; --r-pill:999px;
  --shadow:0 24px 60px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--calm);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--balanced)}

/* ── Layout primitives ───────────────────────────────────────────────── */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:860px}
.section{padding:var(--s-6) 0}
.section-lg{padding:var(--s-7) 0}
.row{display:grid;gap:var(--s-3)}
.row-2{grid-template-columns:repeat(2,1fr)}
.row-3{grid-template-columns:repeat(3,1fr)}
.row-auto{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
@media(max-width:900px){.row-3{grid-template-columns:1fr}.row-2{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--s-6);align-items:center}
.split-wide{grid-template-columns:1.1fr .9fr}
@media(max-width:900px){.split,.split-wide{grid-template-columns:1fr;gap:var(--s-4)}}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.stack>*+*{margin-top:var(--s-2)}

/* ── Type ────────────────────────────────────────────────────────────── */
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.025em;line-height:1.1}
h1{font-size:var(--fs-display);line-height:1.02}
h2{font-size:var(--fs-h2)}
h3{font-size:var(--fs-h3);line-height:1.3}
p{margin:0;color:var(--muted)}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--calm);margin-bottom:var(--s-2);display:flex;align-items:center;gap:10px;
}
.center .eyebrow{justify-content:center}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--grad-cool)}
.lead{font-size:var(--fs-lead);color:var(--muted);max-width:60ch}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--faint)}

/* ── Navbar ──────────────────────────────────────────────────────────── */
.navbar{position:sticky;top:0;z-index:50;transition:background .3s var(--ease),border-color .3s var(--ease)}
.navbar.is-scrolled{background:rgba(7,10,14,.86);backdrop-filter:saturate(150%) blur(16px);border-bottom:1px solid var(--line)}
.navbar-inner{display:flex;align-items:center;gap:var(--s-3);height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:640;font-size:18px;letter-spacing:-.02em}
.brand:hover{color:var(--text)}
.brand img{width:32px;height:32px;border-radius:9px}
.nav-links{margin-left:auto;display:flex;gap:var(--s-3);align-items:center}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--text)}
@media(max-width:820px){.nav-links a:not(.btn){display:none}}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-cool);color:#032a2e;box-shadow:0 10px 30px rgba(36,242,242,.22)}
.btn-primary:hover{color:#032a2e;box-shadow:0 16px 40px rgba(36,242,242,.32)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{color:var(--text);border-color:var(--calm)}
.btn-sm{padding:10px 18px;font-size:14px}
.actions{display:flex;gap:var(--s-2);flex-wrap:wrap;margin-top:var(--s-4)}
.center .actions{justify-content:center}

/* ── Ambient glow ────────────────────────────────────────────────────── */
.glow{position:relative;isolation:isolate}
.glow::before{
  content:"";position:absolute;inset:-30% -10% auto -10%;height:130%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(42% 38% at 18% 8%, rgba(36,242,242,.18), transparent 70%),
    radial-gradient(38% 34% at 84% 22%, rgba(255,119,20,.14), transparent 68%),
    radial-gradient(30% 30% at 55% 60%, rgba(48,240,182,.08), transparent 70%);
}
.bg-2{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ── Hero ────────────────────────────────────────────────────────────── */
.hero{padding-top:var(--s-6);padding-bottom:var(--s-6)}
.hero-devices{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px}
.hero-devices img{position:absolute;filter:drop-shadow(0 30px 60px rgba(0,0,0,.65))}
.hero-devices .dev-l{width:38%;left:2%;transform:rotate(-7deg) translateY(26px);opacity:.85}
.hero-devices .dev-r{width:38%;right:2%;transform:rotate(7deg) translateY(26px);opacity:.85}
.hero-devices .dev-c{width:46%;z-index:2;filter:drop-shadow(0 34px 70px rgba(36,242,242,.28))}
@media(max-width:900px){.hero-devices{min-height:340px}}
@media(max-width:560px){
  .hero-devices .dev-l,.hero-devices .dev-r{display:none}
  .hero-devices .dev-c{width:64%}
}

/* ── Cards & icons ───────────────────────────────────────────────────── */
.card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r);padding:var(--s-4);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card h3{margin-bottom:var(--s-1)}
.card p{font-size:15.5px}

.icon-circle{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  margin-bottom:var(--s-3);font-size:22px;
  background:rgba(36,242,242,.10);border:1px solid rgba(36,242,242,.22);
}
.icon-calm{background:rgba(36,242,242,.10);border-color:rgba(36,242,242,.24)}
.icon-bal{background:rgba(48,240,182,.10);border-color:rgba(48,240,182,.24)}
.icon-elev{background:rgba(247,201,37,.10);border-color:rgba(247,201,37,.24)}
.icon-strain{background:rgba(255,119,20,.10);border-color:rgba(255,119,20,.24)}

/* ── Stats ───────────────────────────────────────────────────────────── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-3);text-align:center}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr);gap:var(--s-4)}}
.stat-num{font-size:clamp(30px,3.4vw,42px);font-weight:680;letter-spacing:-.03em;line-height:1}
.stat-label{font-size:13.5px;color:var(--faint);margin-top:6px}

/* ── Formula ─────────────────────────────────────────────────────────── */
.formula{
  font-family:var(--mono);font-size:clamp(13px,1.4vw,16px);color:var(--text);
  background:#05080b;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px 22px;overflow-x:auto;margin-top:var(--s-3);
}
.formula .hl{color:var(--calm)}

/* ── Steps ───────────────────────────────────────────────────────────── */
.step{position:relative;padding-left:60px}
.step-n{
  position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;font-weight:700;font-size:15px;
  background:var(--grad-cool);color:#032a2e;
}
.step h3{margin-bottom:6px}

/* ── Quote carousel ──────────────────────────────────────────────────── */
.quotes{position:relative;min-height:210px}
.quote{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .5s var(--ease);text-align:center;
}
.quote.is-active{opacity:1;visibility:visible}
.quote-text{font-size:clamp(19px,2.2vw,26px);color:var(--text);font-weight:500;
  line-height:1.45;letter-spacing:-.015em;max-width:800px;margin:0 auto var(--s-3)}
.quote-meta{font-size:14px;color:var(--faint)}
.quote-dots{display:flex;gap:8px;justify-content:center;margin-top:var(--s-4)}
.quote-dot{width:7px;height:7px;border-radius:50%;background:var(--line-2);border:0;padding:0;cursor:pointer;
  transition:background .25s var(--ease),width .25s var(--ease)}
.quote-dot.is-active{background:var(--calm);width:22px;border-radius:4px}

/* ── Pricing ─────────────────────────────────────────────────────────── */
.toggle{display:inline-flex;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px;margin:var(--s-3) auto 0;gap:4px}
.toggle button{border:0;background:transparent;color:var(--muted);font-family:inherit;
  font-size:14.5px;font-weight:600;padding:9px 20px;border-radius:var(--r-pill);cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease)}
.toggle button.is-active{background:var(--grad-cool);color:#032a2e}
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-3);
  max-width:760px;margin:var(--s-5) auto 0}
@media(max-width:760px){.plans{grid-template-columns:1fr}}
.plan{background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:var(--s-5) var(--s-4);position:relative}
.plan.is-featured{border-color:rgba(36,242,242,.4);
  box-shadow:0 0 0 1px rgba(36,242,242,.12),0 24px 60px rgba(36,242,242,.10)}
.plan-tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--grad-cool);color:#032a2e;font-size:11.5px;font-weight:700;
  letter-spacing:.06em;padding:5px 14px;border-radius:var(--r-pill);white-space:nowrap}
.plan-name{font-size:14px;color:var(--faint);letter-spacing:.06em;text-transform:uppercase;font-family:var(--mono)}
.plan-price{font-size:46px;font-weight:680;letter-spacing:-.035em;margin:var(--s-2) 0 2px;line-height:1}
.plan-per{color:var(--faint);font-size:14.5px}
.plan ul{list-style:none;padding:0;margin:var(--s-4) 0 0;text-align:left}
.plan li{color:var(--muted);font-size:15px;padding:9px 0 9px 28px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--calm);font-weight:700}
.plan[hidden]{display:none}

/* ── FAQ ─────────────────────────────────────────────────────────────── */
details{border-bottom:1px solid var(--line);padding:var(--s-3) 0}
summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--calm);font-size:22px;line-height:1;flex:none;transition:transform .2s var(--ease)}
details[open] summary::after{content:"−"}
details p{margin-top:var(--s-2);font-size:15.5px;max-width:72ch}

/* ── CTA ─────────────────────────────────────────────────────────────── */
.cta{border:1px solid var(--line);border-radius:var(--r-lg);padding:var(--s-6) var(--s-4);
  background:radial-gradient(70% 130% at 50% 0%, rgba(36,242,242,.10), transparent 70%),
             linear-gradient(180deg,var(--panel),var(--bg-2));text-align:center}

/* ── Table ───────────────────────────────────────────────────────────── */
table{width:100%;border-collapse:collapse;margin-top:var(--s-3);font-size:15px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);color:var(--muted)}
th{color:var(--text);font-weight:620;font-size:13.5px;letter-spacing:.04em;text-transform:uppercase}
td:last-child{color:var(--calm)}

/* ── Footer ──────────────────────────────────────────────────────────── */
footer{border-top:1px solid var(--line);padding:var(--s-5) 0 var(--s-4);background:var(--ink)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:var(--s-4)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);
  font-family:var(--mono);font-weight:500;margin-bottom:var(--s-2)}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--muted);font-size:15px}
.foot-bottom{margin-top:var(--s-5);padding-top:var(--s-3);border-top:1px solid var(--line);
  display:flex;gap:var(--s-3);flex-wrap:wrap;color:var(--faint);font-size:14px}
.foot-bottom .spacer{margin-left:auto}

/* ── Legal pages ─────────────────────────────────────────────────────── */
.legal h3{margin-top:var(--s-5);margin-bottom:var(--s-1)}
.legal p{margin-bottom:var(--s-2)}
.legal ul{color:var(--muted);padding-left:22px;margin:0 0 var(--s-2)}
.legal li{margin-bottom:9px}
.stamp{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;color:var(--faint);margin-bottom:var(--s-3)}

/* ── Scroll reveal ───────────────────────────────────────────────────── */
[data-reveal]{opacity:0;transform:translateY(22px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover{transform:none}
}

/* ── Lifestyle band ──────────────────────────────────────────────────── */
.band-photo{position:relative;min-height:min(70vh,560px);display:grid;align-items:end;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.band-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.band-photo::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(5,7,10,.15) 0%,rgba(5,7,10,.55) 55%,rgba(5,7,10,.94) 100%)}
.band-photo .container{position:relative;z-index:2;padding-top:var(--s-6);padding-bottom:var(--s-5)}
.band-photo h2{max-width:16ch}
.band-photo .lead{max-width:52ch}

.moments{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-3);margin-top:var(--s-5)}
@media(max-width:900px){.moments{grid-template-columns:1fr}}
.moment{border-radius:var(--r);overflow:hidden;background:var(--panel);
  border:1px solid var(--line);transition:transform .3s var(--ease),border-color .3s var(--ease)}
.moment:hover{transform:translateY(-5px);border-color:var(--line-2)}
.moment-img{position:relative;aspect-ratio:3/2;overflow:hidden}
.moment-img img{width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease)}
.moment:hover .moment-img img{transform:scale(1.045)}
.moment-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(10,14,20,.85) 100%)}
.moment-body{padding:var(--s-3) var(--s-3) var(--s-4)}
.moment-body h3{margin-bottom:6px;font-size:18px}
.moment-body p{font-size:15px}
.moment-kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--calm);margin-bottom:8px}