/* ===== SardinesFasting marketing site ===== */
:root{
  --ocean:#0A1929; --ocean2:#0C1E30; --surface:#13283c; --surface2:#16314a;
  --teal:#00C9B7; --teal-d:#0096A0; --coral:#FF6B47; --coral-l:#FF8E53;
  --text:#EAF2F8; --dim:rgba(234,242,248,.62); --faint:rgba(234,242,248,.40);
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.06);
  --maxw:1140px;
  --grad-cta:linear-gradient(90deg,var(--coral-l),var(--coral));
  --grad-teal:linear-gradient(135deg,var(--teal),var(--teal-d));
  --r:18px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--ocean);color:var(--text);line-height:1.6;
  font-size:17px;overflow-x:hidden;
  background-image:
    radial-gradient(1100px 620px at 78% -8%, rgba(0,201,183,.10), transparent 60%),
    radial-gradient(900px 540px at 8% 4%, rgba(255,107,71,.08), transparent 55%);
  background-attachment:fixed;}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:var(--grad-cta);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--faint);font-style:italic}
.finewhisper{color:var(--faint);font-size:12.5px;margin-top:14px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad-cta);color:#fff;font-weight:700;font-size:15px;
  padding:13px 22px;border-radius:999px;border:0;cursor:pointer;
  box-shadow:0 8px 26px rgba(255,107,71,.32);transition:transform .15s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,107,71,.42)}
.btn--sm{padding:9px 17px;font-size:14px}
.btn--ghost{background:transparent;border:1px solid var(--line);color:var(--text);
  box-shadow:none;font-weight:600}
.btn--ghost:hover{border-color:var(--teal);color:#fff;box-shadow:none}
.appstore{display:inline-flex;align-items:center;gap:11px;background:#000;color:#fff;
  padding:11px 20px 11px 18px;border-radius:14px;border:1px solid rgba(255,255,255,.16);
  transition:transform .15s,border-color .2s}
.appstore:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.4)}
.appstore span{display:flex;flex-direction:column;line-height:1.05;text-align:left}
.appstore small{font-size:10.5px;letter-spacing:.04em;opacity:.85}
.appstore strong{font-size:18px;font-weight:600;letter-spacing:.01em}
.appstore--lg{padding:14px 26px 14px 22px}
.appstore--lg strong{font-size:21px}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;gap:18px;padding:14px 24px;
  backdrop-filter:saturate(140%) blur(14px);background:rgba(10,25,41,.55);
  border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.scrolled{background:rgba(10,25,41,.86);border-bottom-color:var(--line)}
.nav__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.nav__brand img{border-radius:8px}
.nav__links{display:flex;gap:26px;margin-left:auto;margin-right:8px}
.nav__links a{font-size:14.5px;font-weight:500;color:var(--dim);transition:color .2s}
.nav__links a:hover{color:#fff}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobilemenu{position:fixed;inset:62px 0 auto 0;z-index:49;background:rgba(10,25,41,.97);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:4px;padding:12px 24px 22px;
  transform:translateY(-130%);transition:transform .3s;visibility:hidden}
.mobilemenu.open{transform:translateY(0);visibility:visible}
.mobilemenu a{padding:13px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line2)}
.mobilemenu .btn{margin-top:12px}

/* ---------- hero ---------- */
.hero{position:relative;padding:140px 24px 70px;overflow:hidden}
.hero__glow{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 420px at 70% 30%,rgba(0,201,183,.16),transparent 65%)}
.hero__inner{max-width:var(--maxw);margin:0 auto;display:grid;
  grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;position:relative}
.pill{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;
  color:var(--teal);background:rgba(0,201,183,.10);border:1px solid rgba(0,201,183,.28);
  padding:7px 15px;border-radius:999px;margin-bottom:22px}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 4px rgba(0,201,183,.22)}
.hero h1{font-size:clamp(34px,5.2vw,60px);line-height:1.04;font-weight:900;letter-spacing:-.02em}
.lede{font-size:clamp(16px,1.6vw,19px);color:var(--dim);margin:22px 0 30px;max-width:560px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;
  padding-top:24px;border-top:1px solid var(--line)}
.hero__trust li{font-size:13.5px;color:var(--dim)}
.hero__trust b{color:#fff;font-weight:700}
.hero__shot{position:relative;display:flex;justify-content:center}
.hero__shot img{width:min(330px,82%);filter:drop-shadow(0 30px 60px rgba(0,0,0,.55));
  border-radius:34px}
.phoneglow{position:absolute;inset:6% 14%;border-radius:50%;
  background:radial-gradient(circle,rgba(0,201,183,.35),transparent 62%);filter:blur(34px)}

/* ---------- band (insight) ---------- */
.band{padding:54px 24px;background:linear-gradient(180deg,transparent,rgba(0,201,183,.045),transparent)}
.insight{max-width:880px;margin:0 auto;text-align:center}
.band__h{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.01em}
.band__p{color:var(--dim);font-size:17px;margin:18px auto 0;max-width:720px}
.band__p strong{color:#fff}
.insight__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.insight__stats>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:20px 14px;display:flex;flex-direction:column;gap:5px}
.insight__stats .num{font-size:23px;font-weight:800;color:var(--teal)}
.insight__stats .cap{font-size:12.5px;color:var(--dim)}

/* ---------- sections ---------- */
.section{padding:84px 24px}
.section--alt{background:
  linear-gradient(180deg,transparent,rgba(255,255,255,.012),transparent);
  border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.sec-head{max-width:720px;margin:0 auto 50px;text-align:center}
.kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal);margin-bottom:14px}
.sec-head h2{font-size:clamp(26px,3.6vw,40px);font-weight:850;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.sec-head p{color:var(--dim);margin-top:16px;font-size:16.5px}

/* ---------- pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pillar{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 22px;display:flex;flex-direction:column;gap:11px;transition:transform .2s,border-color .2s}
.pillar:hover{transform:translateY(-4px);border-color:rgba(0,201,183,.4)}
.pillar__icon{font-size:30px}
.pillar h3{font-size:19px;font-weight:800}
.pillar p{font-size:14.5px;color:var(--dim);flex:1}
.pillar__cite{font-size:13px;font-weight:600;color:var(--teal);margin-top:4px}
.pillar__cite:hover{text-decoration:underline}
.evbadge{display:inline-block;align-self:flex-start;font-size:11px;font-weight:700;
  letter-spacing:.02em;padding:4px 10px;border-radius:999px;border:1px solid}
.ev-mech{color:#9bb4c9;background:rgba(155,180,201,.10);border-color:rgba(155,180,201,.3)}
.ev-human{color:#4CCF85;background:rgba(76,207,133,.10);border-color:rgba(76,207,133,.32)}
.ev-tool{color:var(--coral-l);background:rgba(255,142,83,.10);border-color:rgba(255,142,83,.32)}

/* ---------- timeline ---------- */
.timeline{list-style:none;max-width:760px;margin:0 auto;position:relative;padding-left:8px}
.timeline:before{content:"";position:absolute;left:78px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--teal),var(--coral))}
.timeline li{display:grid;grid-template-columns:78px 1fr;gap:24px;padding:14px 0;position:relative}
.t-h{font-weight:800;font-size:14px;color:var(--teal);text-align:right;padding-top:2px}
.t-body{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px;position:relative}
.t-body:before{content:"";position:absolute;left:-25px;top:20px;width:11px;height:11px;border-radius:50%;
  background:var(--ocean);border:2.5px solid var(--teal)}
.t-body h4{font-size:16px;font-weight:800;margin-bottom:4px}
.t-body p{font-size:14px;color:var(--dim)}

/* ---------- features ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;padding:46px 0}
.feature+.feature{border-top:1px solid var(--line2)}
.feature--rev .feature__text{order:2}
.feature h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.01em;line-height:1.15}
.feature__text p{color:var(--dim);margin:16px 0 20px;font-size:16px}
.ticks{list-style:none;display:flex;flex-direction:column;gap:10px}
.ticks li{position:relative;padding-left:28px;font-size:15px}
.ticks li:before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-teal);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/13px no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/13px no-repeat}
.feature__shot{display:flex;justify-content:center}
.feature__shot img{width:min(320px,88%);border-radius:30px;filter:drop-shadow(0 24px 50px rgba(0,0,0,.5))}

/* ---------- protocols ---------- */
.protocols{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.proto{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:24px 22px;display:flex;flex-direction:column;gap:10px;position:relative;transition:transform .2s,border-color .2s}
.proto:hover{transform:translateY(-4px);border-color:rgba(255,107,71,.4)}
.proto--wide{grid-column:span 2}
.proto__emoji{font-size:30px}
.proto h3{font-size:19px;font-weight:800}
.proto p{font-size:14px;color:var(--dim);flex:1}
.proto__dur{font-size:13px;font-weight:700;color:var(--teal)}
.proto__lvl{position:absolute;top:18px;right:18px;font-size:10.5px;font-weight:800;letter-spacing:.03em;
  text-transform:uppercase;padding:4px 9px;border-radius:999px}
.lvl-b{color:#4CCF85;background:rgba(76,207,133,.13)}
.lvl-i{color:var(--coral-l);background:rgba(255,142,83,.14)}
.lvl-a{color:#FF9aa0;background:rgba(245,87,87,.15)}

/* ---------- research ---------- */
.filters{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-bottom:32px}
.chip{font-size:13.5px;font-weight:600;color:var(--dim);background:var(--surface);
  border:1px solid var(--line);padding:8px 16px;border-radius:999px;cursor:pointer;transition:.18s}
.chip:hover{color:#fff;border-color:var(--teal)}
.chip.is-active{background:var(--grad-teal);color:#04201d;border-color:transparent;font-weight:700}
.papers{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.paper{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  display:flex;flex-direction:column;gap:8px;transition:transform .18s,border-color .18s}
.paper:hover{transform:translateY(-3px);border-color:rgba(0,201,183,.4)}
.paper__top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.paper__cat{font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--teal)}
.paper__yr{font-size:12px;color:var(--faint);font-weight:600}
.paper__title{font-size:14.5px;font-weight:700;line-height:1.35}
.paper__auth{font-size:12.5px;color:var(--faint)}
.paper__rel{font-size:13px;color:var(--dim)}
.paper__jrnl{font-size:11.5px;color:var(--faint);font-style:italic;margin-top:2px}
.paper__link{font-size:12.5px;font-weight:700;color:var(--coral-l);margin-top:auto}
.paper__link:hover{text-decoration:underline}

/* ---------- faq ---------- */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:700;
  display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:22px;font-weight:400;color:var(--teal);transition:transform .2s;line-height:1}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq summary:hover{color:#fff}
.faq__a{padding:0 22px 20px}
.faq__a p{color:var(--dim);font-size:15px}

/* ---------- language bar ---------- */
.footer__lang{display:flex;flex-wrap:wrap;gap:6px 14px;padding:22px 0 6px;border-top:1px solid var(--line2);margin-top:8px}
.footer__lang a{font-size:12.5px;color:var(--faint);transition:color .2s}
.footer__lang a:hover{color:var(--teal)}
.footer__lang a[aria-current="true"]{color:var(--teal);font-weight:700}

/* ---------- RTL ---------- */
[dir="rtl"] .hero__inner,[dir="rtl"] .feature{direction:rtl}
[dir="rtl"] .ticks li{padding-left:0;padding-right:28px}
[dir="rtl"] .ticks li:before{left:auto;right:0}
[dir="rtl"] .timeline:before{left:auto;right:78px}
[dir="rtl"] .timeline li{direction:rtl}
[dir="rtl"] .t-h{text-align:left}
[dir="rtl"] .t-body:before{left:auto;right:-25px}
[dir="rtl"] .proto__lvl{right:auto;left:18px}
[dir="rtl"] .faq summary{flex-direction:row-reverse}
[dir="rtl"] .appstore span{text-align:right}

/* ---------- download ---------- */
.download__inner{max-width:680px;margin:0 auto;text-align:center;
  background:linear-gradient(160deg,rgba(0,201,183,.10),rgba(255,107,71,.07));
  border:1px solid var(--line);border-radius:30px;padding:54px 32px}
.download__icon{border-radius:18px;margin:0 auto 20px;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.download h2{font-size:clamp(26px,3.6vw,38px);font-weight:850;font-weight:800}
.download p{color:var(--dim);margin:16px auto 28px;max-width:520px}
.download .appstore{margin:0 auto}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:54px 24px 36px;background:var(--ocean2)}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px;border-bottom:1px solid var(--line)}
.footer__brand p{color:var(--dim);font-size:14px;margin-top:14px;max-width:300px}
.footer__col h5{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);margin-bottom:14px}
.footer__col a{display:block;color:var(--dim);font-size:14.5px;padding:5px 0;transition:color .2s}
.footer__col a:hover{color:#fff}
.footer__disclaimer{padding-top:26px}
.footer__disclaimer p{font-size:12.5px;color:var(--faint);line-height:1.6}
.footer__disclaimer strong{color:var(--dim)}
.footer__copy{margin-top:14px}

/* ---------- legal pages ---------- */
.legal{padding:96px 24px 60px;min-height:70vh}
.legal__wrap{max-width:760px;margin:0 auto}
.legal__back{font-size:14px;color:var(--teal);font-weight:600}
.legal h1{font-size:clamp(28px,4vw,40px);font-weight:850;font-weight:800;margin:18px 0 10px;letter-spacing:-.02em}
.legal__sub{color:var(--dim);font-size:16px}
.legal__updated{color:var(--faint);font-size:13px;margin-top:8px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.legal__sec{margin-top:30px}
.legal__sec h2{font-size:19px;font-weight:800;color:#fff;margin-bottom:10px}
.legal__sec p{color:var(--dim);font-size:15.5px;margin-bottom:12px}
.legal__sec ul{list-style:none;display:flex;flex-direction:column;gap:9px;margin:6px 0 12px}
.legal__sec li{position:relative;padding-left:20px;color:var(--dim);font-size:15px}
.legal__sec li:before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.legal__sec a{color:var(--teal)}.legal__sec a:hover{text-decoration:underline}
.legal__sec strong{color:var(--text)}
.legal__links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.legal__links a{font-size:14px;color:var(--dim);font-weight:600}
.legal__links a:hover{color:var(--teal)}

/* ---------- reveal animation ---------- */
/* Only hide reveal elements when JS is present to bring them back.
   Without the .js class (no-JS, crawlers, JS error) everything shows. */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .hero{padding-top:120px}
  .hero__inner{grid-template-columns:1fr;gap:30px;text-align:center}
  .lede{margin-left:auto;margin-right:auto}
  .hero__cta{justify-content:center}
  .hero__trust{justify-content:center}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .protocols{grid-template-columns:repeat(2,1fr)}
  .proto--wide{grid-column:span 2}
  .papers{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr;gap:26px;text-align:center}
  .feature--rev .feature__text{order:0}
  .ticks{display:inline-flex;text-align:left}
  .insight__stats{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  body{font-size:16px}
  .pillars,.protocols,.papers{grid-template-columns:1fr}
  .proto--wide{grid-column:auto}
  .insight__stats{grid-template-columns:repeat(2,1fr)}
  .timeline:before{left:62px}
  .timeline li{grid-template-columns:62px 1fr;gap:16px}
  .footer__grid{grid-template-columns:1fr}
  .section{padding:60px 20px}
}