/* Icon glyphs are inlined SVG from Font Awesome Free (CC BY 4.0) - https://fontawesome.com/license/free */
i svg{display:block;width:1em;height:1em;fill:currentColor}
:root{color-scheme:light;--ink:#243330;--muted:#6b7d78;--accent:#0d9aa6;--accent2:#5fdcb4;--paper:#fbfaf5;--line:#e4ede8;--surface:#fff;--surface-2:#fffdf8;--radius:28px;--caffeine:#a3703f;--sugar:#e59a3a;--alcohol:#9a72d1;--calorie:#ef6a5b;--shadow:#0d9aa614}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 85% -5%,color-mix(in srgb,var(--accent2) 22%,transparent) 0,transparent 32%),radial-gradient(circle at -5% 25%,color-mix(in srgb,#ffd9a8 30%,transparent) 0,transparent 28%),var(--paper)}
a{color:inherit}
img{max-width:100%}
.tnum{font-variant-numeric:tabular-nums}

/* nav */
.nav{position:sticky;top:0;z-index:10;min-height:72px;padding:12px max(24px,calc((100vw - 1160px)/2));display:flex;align-items:center;gap:28px;background:color-mix(in srgb,var(--paper) 82%,transparent);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:800}
.brand img{width:38px;height:38px;border-radius:11px}
.nav nav{display:flex;gap:24px;margin-left:auto}
.nav nav a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:650}
.nav nav a:hover{color:var(--ink)}
.nav-cta,.inline-cta{font-weight:750;text-decoration:none}
.nav-cta{padding:10px 18px;border-radius:999px;background:var(--accent);color:#fff}

/* layout primitives */
.hero,.section{max-width:1160px;margin:auto;padding:100px 24px}
.section{padding-top:84px;padding-bottom:84px}
.surface{max-width:1120px;padding:64px 56px;border:1px solid var(--line);border-radius:38px;background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 22px 70px var(--shadow)}
.eyebrow{margin:0 0 16px;color:var(--accent);text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:850}
.section-heading{max-width:720px;margin:0 auto 42px}
.section-heading.left{margin-left:0}
.section-heading h1,.section-heading h2,.final-cta h2{margin:0;font-size:clamp(32px,4vw,48px);line-height:1.05;letter-spacing:-.04em}
.section-heading>p:last-child{color:var(--muted);font-size:18px;line-height:1.6;margin-top:10px}
.center{text-align:center}

/* hero */
.hero{min-height:600px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:64px}
.hero h1{max-width:620px;margin:0 0 20px;font-size:clamp(46px,5.6vw,72px);line-height:.98;letter-spacing:-.05em}
.hero h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));background-clip:text;color:transparent}
.lead{max-width:600px;margin:0 0 26px;color:var(--muted);font-size:19px;line-height:1.6}
.micro{margin:10px 0 0;color:var(--muted);font-size:13px;opacity:.8}
.store-link{display:inline-flex;align-items:center;gap:12px;padding:15px 24px;border-radius:18px;background:#000;color:#fff;font-size:16px;font-weight:750;text-decoration:none;transition:transform .18s ease,filter .18s ease}
.store-link i{font-size:24px}
.store-link .store-copy{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}
.store-link small{font-size:10.5px;font-weight:600;opacity:.75;text-transform:uppercase;letter-spacing:.06em}
.store-link:hover{transform:translateY(-3px) scale(1.02)}

/* demo card (hero: type -> chips -> sources) */
.demo-card{background:var(--surface);border:1px solid var(--line);border-radius:32px;padding:26px;box-shadow:0 30px 70px var(--shadow)}
.demo-input{display:flex;align-items:center;gap:12px;height:54px;padding:0 20px;border-radius:27px;background:color-mix(in srgb,var(--muted) 14%,transparent)}
.demo-input .typed{flex:1;min-width:0;white-space:nowrap;overflow:hidden;font-size:16px;font-weight:600}
.demo-input i{color:var(--accent);font-size:17px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;min-height:36px}
.chip{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:700;opacity:0;transform:scale(.55);transition:opacity .35s cubic-bezier(.2,1.4,.4,1),transform .35s cubic-bezier(.2,1.4,.4,1)}
.chip.show{opacity:1;transform:scale(1)}
.chip.caffeine{color:var(--caffeine);background:color-mix(in srgb,var(--caffeine) 16%,transparent)}
.chip.sugar{color:var(--sugar);background:color-mix(in srgb,var(--sugar) 16%,transparent)}
.chip.calorie{color:var(--calorie);background:color-mix(in srgb,var(--calorie) 16%,transparent)}
.chip.alcohol{color:var(--alcohol);background:color-mix(in srgb,var(--alcohol) 16%,transparent)}
.sources-row{display:flex;align-items:center;gap:10px;margin-top:16px;opacity:0;transform:translateY(6px);transition:opacity .4s ease,transform .4s ease}
.sources-row.show{opacity:1;transform:none}
.source-dots{display:flex}
.source-dots span{width:22px;height:22px;margin-left:-7px;border-radius:50%;background:var(--surface);border:1.5px solid var(--line);display:grid;place-items:center;font-size:10px;color:var(--muted)}
.source-dots span:first-child{margin-left:0}
.sources-row p{margin:0;color:var(--muted);font-size:13px;line-height:1.4;text-align:left}

/* jar bars (bloodstream levels) */
.jar-row{display:flex;justify-content:center;gap:44px;margin-top:12px}
.jar-col{display:flex;flex-direction:column;align-items:center;gap:12px}
.jar-value{font-size:19px;font-weight:800}
.jar-track{position:relative;width:44px;height:150px;border-radius:0 0 22px 22px;overflow:hidden;background:color-mix(in srgb,var(--muted) 14%,transparent)}
.jar-fill{position:absolute;left:0;right:0;bottom:0;border-radius:0 0 22px 22px;transition:height 2.4s cubic-bezier(.2,.8,.2,1)}
.jar-col[data-substance="caffeine"] .jar-value,.jar-fill.caffeine{color:var(--caffeine)}
.jar-fill.caffeine{background:var(--caffeine)}
.jar-col[data-substance="sugar"] .jar-value,.jar-fill.sugar{color:var(--sugar)}
.jar-fill.sugar{background:var(--sugar)}
.jar-col[data-substance="alcohol"] .jar-value,.jar-fill.alcohol{color:var(--alcohol)}
.jar-fill.alcohol{background:var(--alcohol)}
.jar-label{font-size:13px;font-weight:650;color:var(--muted)}
.jar-note{text-align:center;color:var(--muted);font-size:15px;margin-top:32px}

/* widget ring */
.widget-wrap{display:flex;align-items:center;justify-content:center;gap:56px;flex-wrap:wrap}
.widget-mock{display:flex;flex-direction:column;align-items:center;gap:10px;padding:22px 26px;border-radius:30px;background:color-mix(in srgb,var(--muted) 12%,transparent)}
.widget-ring{position:relative;width:100px;height:100px}
.widget-ring svg{transform:rotate(-90deg)}
.widget-ring .track{fill:none;stroke:color-mix(in srgb,var(--muted) 20%,transparent);stroke-width:8}
.widget-ring .fill{fill:none;stroke:var(--caffeine);stroke-width:8;stroke-linecap:round;stroke-dasharray:251.2;transition:stroke-dashoffset 2.2s cubic-bezier(.2,.8,.2,1)}
.widget-ring .readout{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.widget-ring .readout b{font-size:22px;font-weight:800}
.widget-ring .readout span{font-size:11px;color:var(--muted)}
.widget-mock .widget-label{font-size:12px;color:var(--muted);font-weight:650}
.widget-points{display:flex;flex-direction:column;gap:14px}
.widget-points div{display:flex;align-items:center;gap:12px;font-weight:650;font-size:16px}
.widget-points i{width:22px;color:var(--accent);font-size:16px;text-align:center}

/* pills / cards */
.pill-list{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.pill-list span{padding:12px 18px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-weight:700;font-size:14px}
.card-grid{display:grid;gap:18px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card-grid article{padding:26px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}
.card-grid h3{margin:0 0 8px;font-size:18px}
.card-grid p{margin:0;color:var(--muted);line-height:1.55;font-size:15px}
.card-grid article a{display:inline-block;margin-top:14px;color:var(--accent);font-weight:750;text-decoration:none;font-size:14px}
.inline-cta{display:inline-block;margin-top:28px;color:var(--accent)}

/* features */
.features-grid{grid-template-columns:repeat(3,1fr)}

/* guide cards (index teaser + /guides index) */
.guide-card{position:relative;display:block;padding:26px 54px 26px 26px;border:1px solid var(--line);border-radius:22px;background:var(--surface);color:inherit;text-decoration:none;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.guide-card:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));box-shadow:0 18px 38px var(--shadow)}
.guide-card i{position:absolute;top:26px;right:26px;font-size:.72em;color:var(--muted)}
.guide-card h3{margin:0 0 8px;min-height:52px;font-size:18px;line-height:1.35}
.guide-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.guides-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
@media(max-width:900px){.guides-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.guides-grid{grid-template-columns:1fr}}
.features-grid article{transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.features-grid article:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--accent) 35%,var(--line));box-shadow:0 18px 38px var(--shadow)}
.feat-icon{display:grid;place-items:center;width:44px;height:44px;margin-bottom:14px;border-radius:50%;color:#fff;font-size:17px}
.feat-icon.caffeine{background:linear-gradient(135deg,var(--caffeine),color-mix(in srgb,var(--caffeine) 60%,#000 0%))}
.feat-icon.alcohol{background:linear-gradient(135deg,var(--alcohol),color-mix(in srgb,var(--alcohol) 70%,#000 10%))}
.feat-icon.sugar{background:linear-gradient(135deg,var(--sugar),color-mix(in srgb,var(--sugar) 70%,#000 10%))}
.feat-icon.limit{background:linear-gradient(135deg,var(--accent),var(--accent2))}
.feat-icon.sleep{background:linear-gradient(135deg,#4a5568,#1a1c20)}
.feat-icon.body{background:linear-gradient(135deg,var(--accent2),var(--accent))}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:0;list-style:none;margin:0}
.steps li{display:flex;gap:16px}
.steps li>span{display:grid;place-items:center;flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800}
.steps h3{margin:2px 0 6px;font-size:18px}
.steps p{margin:0;color:var(--muted);line-height:1.55;font-size:15px}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq details{padding:20px 22px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}
.faq summary{cursor:pointer;font-size:16px;font-weight:750;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:0 0 auto;width:9px;height:9px;margin-top:-3px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);transition:transform .25s ease}
.faq details[open] summary::after{margin-top:3px;transform:rotate(-135deg)}
.faq details p{margin:14px 0 0;color:var(--muted);line-height:1.6;font-size:15px}

/* final cta + footer */
.final-cta{max-width:820px;margin:20px auto 80px;padding:76px 24px;text-align:center}
.final-cta>img{width:80px;height:80px;margin-bottom:22px;border-radius:22px;box-shadow:0 14px 30px var(--shadow)}
.final-cta .store-link{margin:22px auto 0}
.page-footer{max-width:1160px;margin:auto;padding:28px 24px;display:flex;justify-content:space-between;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.store-link:focus-visible,.nav a:focus-visible,.inline-cta:focus-visible,summary:focus-visible{outline:3px solid var(--accent2);outline-offset:4px}

@media(max-width:900px){
  .hero{gap:40px}
  .card-grid.three,.features-grid,.steps{grid-template-columns:1fr 1fr}
  .surface{margin-right:20px;margin-left:20px;padding:48px 32px}
  .widget-wrap{gap:32px}
}
@media(max-width:680px){
  .nav{padding:10px 16px}
  .nav nav{display:none}
  .nav-cta{margin-left:auto}
  .hero,.section{padding:64px 16px}
  .hero{grid-template-columns:1fr;text-align:center;gap:44px}
  .hero h1{font-size:clamp(40px,11vw,58px)}
  .lead{font-size:17px;margin-inline:auto}
  .hero .store-link{margin:auto}
  .surface{margin-right:10px;margin-left:10px;padding:44px 20px}
  .section-heading{margin-bottom:26px}
  .card-grid.three,.features-grid,.steps{grid-template-columns:1fr}
  .jar-row{gap:26px}
  .page-footer{gap:12px;flex-direction:column;text-align:center}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}