/* KEEP - premium calm. Warm paper, big type, real photography, no fuzz. v2 2026-06-15 */
:root{
  --paper:#FAF4E8; --paper2:#F2E9D6; --ink:#181818;
  --rest:#283A8C; --focus:#E8541E; --chill:#2F7D54;
  --display:'Bricolage Grotesque','Hanken Grotesk',sans-serif;
  --body:'Hanken Grotesk',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
/* faint film grain for a tactile, premium surface */
body::before{content:"";position:fixed;inset:0;z-index:300;pointer-events:none;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
::selection{background:var(--ink);color:var(--paper)}
a{color:inherit}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:.96;letter-spacing:-.018em}
.mono{font-family:var(--mono)}
.wrap{max-width:1160px;margin:0 auto;padding:0 30px}
.kicker{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.2em;text-transform:uppercase;opacity:.75}

/* ---- top bar + nav ---- */
.bar21{background:var(--ink);color:var(--paper);text-align:center;font-family:var(--mono);font-weight:600;font-size:11px;letter-spacing:.18em;text-transform:uppercase;padding:8px 12px}
.nav{position:sticky;top:0;z-index:50;background:rgba(250,244,232,.86);backdrop-filter:blur(10px);border-bottom:1.5px solid var(--ink);display:flex;align-items:center;gap:26px;padding:16px 30px}
.nav .mark{font-family:var(--display);font-weight:800;font-size:26px;letter-spacing:-.02em;text-decoration:none}
.nav .links{display:flex;gap:24px;margin-left:auto}
.nav .links a{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;opacity:.65;transition:opacity .15s}
.nav .links a:hover{opacity:1}
.btn{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);border-radius:999px;padding:11px 22px;display:inline-block;cursor:pointer;transition:transform .14s,opacity .14s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}

/* ---- hero ---- */
.hero{padding:84px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(56px,8.6vw,124px);margin-top:18px}
.hero .sub{font-size:clamp(17px,1.55vw,21px);max-width:32ch;margin:24px 0 32px;line-height:1.5}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero .doseline{margin-top:34px;padding-top:18px;border-top:1.5px solid var(--ink);font-weight:500;font-size:12px;letter-spacing:.18em;text-transform:uppercase;opacity:.72;max-width:34ch}
.hero-photo{position:relative;margin:0}
.hero-photo img{width:100%;height:clamp(400px,46vw,580px);object-fit:cover;border-radius:18px;border:1.5px solid var(--ink);box-shadow:0 34px 64px rgba(24,24,24,.2)}
.hero-photo figcaption{position:absolute;left:18px;bottom:18px;background:var(--paper);border:1.5px solid var(--ink);border-radius:999px;padding:8px 16px;font-weight:600;font-size:11px;letter-spacing:.14em;text-transform:uppercase}

/* ---- model / 3 steps ---- */
.model{background:var(--ink);color:var(--paper);padding:72px 0}
.model h2{font-size:clamp(34px,5vw,68px);text-align:center;margin-bottom:8px}
.model .lead{text-align:center;font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.16em;text-transform:uppercase;opacity:.65;margin-bottom:48px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.step{text-align:left;border-top:2px solid var(--paper);padding-top:20px}
.step .n{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.1em;opacity:.55;margin-bottom:12px}
.step h3{font-size:30px;margin-bottom:8px}
.step p{font-size:15px;opacity:.82;max-width:26ch}

/* ---- effects (signal-color photography + dose card) ---- */
.effects{padding:0}
.fx{position:relative;display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:480px;background-size:cover;background-position:center;overflow:hidden}
.fx .copy,.fx .shot{position:relative;z-index:1}
.fx .copy{padding:72px 8%}
.fx .shot{padding:48px;display:flex;align-items:center;justify-content:center}
.fx h2{font-size:clamp(46px,7vw,100px);color:var(--paper)}
.fx .line{font-family:var(--display);font-weight:800;font-size:clamp(20px,2.4vw,30px);color:var(--paper);margin:8px 0 18px;opacity:.95}
.fx .spec{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--paper);opacity:.85}
.fx.rest{background-color:var(--rest);background-image:linear-gradient(100deg,rgba(14,20,48,.9),rgba(14,20,48,.4) 58%,rgba(14,20,48,.1)),url("img/keep-rest.jpg")}
.fx.chill{background-color:var(--chill);background-image:linear-gradient(100deg,rgba(15,51,34,.9),rgba(15,51,34,.4) 58%,rgba(15,51,34,.1)),url("img/keep-chill.jpg")}
.fx.focus{background-color:var(--focus);background-image:linear-gradient(260deg,rgba(60,22,6,.92),rgba(60,22,6,.5) 58%,rgba(60,22,6,.14)),url("img/keep-focus.jpg")}
.fx.alt .copy{order:2}
.fx.alt .shot{order:1}

/* dose card - premium typographic label */
.dosecard{width:310px;max-width:80%;background:var(--paper);border:1.5px solid var(--ink);border-radius:16px;padding:38px 30px 32px;text-align:center;box-shadow:0 30px 56px rgba(10,10,10,.34)}
.dc-mark{font-family:var(--display);font-weight:800;font-size:46px;letter-spacing:-.02em;line-height:1}
.dc-sub{font-size:10px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;opacity:.55;margin-top:5px}
.dc-rule{height:1.5px;background:var(--ink);opacity:.22;margin:22px auto;width:64%}
.dc-effect{font-family:var(--display);font-weight:800;font-size:28px;letter-spacing:.16em}
.dosecard.rest .dc-effect{color:var(--rest)}
.dosecard.focus .dc-effect{color:var(--focus)}
.dosecard.chill .dc-effect{color:var(--chill)}
.dc-spec{font-size:11px;font-weight:500;letter-spacing:.14em;margin-top:12px;opacity:.78}

/* ---- tin detail ---- */
.tin-sec{padding:96px 0}
.tin-sec .grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.tin-sec h2{font-size:clamp(40px,6vw,84px);margin:14px 0 20px}
.tin-sec p{max-width:40ch;margin-bottom:26px;font-size:17px}
.tin-sec .shot{margin:0}
.tin-sec .shot img,.refill-sec .shot img{width:100%;height:clamp(360px,40vw,500px);object-fit:cover;border-radius:18px;border:1.5px solid var(--ink);box-shadow:0 26px 50px rgba(24,24,24,.18)}
.specrow{display:flex;flex-wrap:wrap;gap:10px}
.tag{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.07em;border:1.5px solid var(--ink);border-radius:999px;padding:9px 16px}

/* ---- refills ---- */
.refill-sec{background:var(--paper2);border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);padding:96px 0}
.refill-sec .grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.refill-sec h2{font-size:clamp(40px,6vw,84px);margin:14px 0 20px}
.refill-sec p{max-width:40ch;margin-bottom:26px;font-size:17px}
.refill-sec .shot{margin:0}
.pricerow{display:flex;gap:40px;margin-top:8px}
.price .amt{font-family:var(--display);font-weight:800;font-size:50px;line-height:1}
.price .lab{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;opacity:.65;margin-top:4px}

/* ---- lookbook ---- */
.lookbook{padding:92px 0 12px}
.lookbook .kicker{margin-bottom:16px}
.lookbook h2{font-size:clamp(36px,5.4vw,78px);margin-bottom:38px}
.lb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.lb-grid figure{margin:0}
.lb-grid img{width:100%;aspect-ratio:3/4;object-fit:cover;background:var(--paper2);border:1px solid var(--ink);box-shadow:0 14px 26px rgba(24,24,24,.14)}
.lb-grid figure:nth-child(odd) img{transform:rotate(-1.4deg)}
.lb-grid figure:nth-child(even) img{transform:rotate(1.2deg)}
.lb-grid figcaption{font-family:var(--mono);font-weight:600;font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.6;margin-top:14px}

/* ---- list signup ---- */
.list-sec{padding:96px 0;text-align:center}
.list-sec h2{font-size:clamp(40px,6.5vw,92px);margin-bottom:16px}
.list-sec p{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;opacity:.65;margin-bottom:32px}
.signup{display:flex;max-width:480px;margin:0 auto;border:1.5px solid var(--ink);border-radius:999px;overflow:hidden;background:var(--paper)}
.signup input{flex:1;border:0;padding:17px 24px;font-family:var(--mono);font-weight:500;font-size:14px;background:transparent;color:var(--ink);outline:none}
.signup input::placeholder{color:#9a9180;text-transform:uppercase;font-size:12px;letter-spacing:.06em}
.signup button{border:0;background:var(--ink);color:var(--paper);font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;padding:0 28px;cursor:pointer;transition:opacity .15s}
.signup button:hover{opacity:.85}
.hp{position:absolute;left:-9999px}
.formnote{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase;margin-top:18px;min-height:1.2em}

/* ---- faq ---- */
.faq-sec{background:var(--ink);color:var(--paper);padding:92px 0}
.faq-sec h2{font-size:clamp(36px,5vw,68px);margin-bottom:40px}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:34px 52px}
.faq .q{font-family:var(--display);font-weight:800;font-size:21px;margin-bottom:8px}
.faq .a{font-size:15px;opacity:.8;max-width:40ch}

/* ---- footer ---- */
footer{padding:52px 0 36px;text-align:center}
footer .fmark{font-family:var(--display);font-weight:800;font-size:32px;margin-bottom:16px}
footer .legal{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;opacity:.5;max-width:880px;margin:0 auto;line-height:1.95;padding:0 20px}

/* ---- age gate ---- */
#gate{position:fixed;inset:0;z-index:200;background:var(--paper);display:flex;align-items:center;justify-content:center;text-align:center}
#gate .inner{max-width:440px;padding:32px}
#gate .glogo{font-family:var(--display);font-weight:800;font-size:76px;margin-bottom:10px;letter-spacing:-.02em}
#gate p{font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:28px}
#gate .row{display:flex;gap:14px;justify-content:center}

/* ---- reveal ---- */
.sr{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
.sr.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.sr{opacity:1!important;transform:none!important;transition:none!important}}

/* ---- responsive ---- */
@media (max-width:920px){
  .hero{padding:56px 0 56px}
  .hero-grid,.tin-sec .grid,.refill-sec .grid{grid-template-columns:1fr;gap:36px}
  .hero-photo{order:-1}
  .steps{grid-template-columns:1fr;gap:20px}
  .fx{grid-template-columns:1fr;min-height:0}
  .fx .copy{padding:52px 30px 12px}
  .fx .shot{padding:12px 30px 52px}
  .fx.alt .copy{order:1}.fx.alt .shot{order:2}
  .lb-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .faq{grid-template-columns:1fr;gap:28px}
  .nav .links{display:none}
}
@media (max-width:560px){
  .nav{padding:14px 18px}
  .wrap{padding:0 22px}
  .signup{flex-direction:column;border-radius:18px}
  .signup button{padding:15px}
  .pricerow{gap:28px}
  .dosecard{padding:32px 24px 28px}
}