/* BiteJot AI website. Same navy + teal as the app. System fonts only: a visit makes no third-party request. */
:root{
  --bg:#f3f6f8;--card:#ffffff;--ink:#0e1b26;--mute:#566673;--line:#e0e7ec;
  --teal:#007d6b;--bright:#00d1b2;--on-bright:#06201b;--mint:#e5f8f4;--coral:#ff6b5e;--navy:#0b1620;--navy-2:#122431;--on-navy:#e9f0f4;--mute-navy:#9db0bd;
  --shadow:0 24px 60px rgba(11,22,32,.12);--shadow-sm:0 8px 24px rgba(11,22,32,.08);
  --max:1160px;--r:26px;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,system-ui,sans-serif;
  --round:ui-rounded,"SF Pro Rounded",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){:root{--bg:#0a131a;--card:#111d27;--ink:#e8eff3;--mute:#9db0bd;--line:#1f3140;--teal:#2dd4bf;--mint:#0f2b2c;--shadow:0 24px 60px rgba(0,0,0,.45);--shadow-sm:0 8px 24px rgba(0,0,0,.35)}}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
h1,h2,h3,h4{font-family:var(--round);line-height:1.08;letter-spacing:-.025em;margin:0 0 .45em;text-wrap:balance}
h1{font-size:clamp(2.5rem,6.2vw,4.5rem);font-weight:800}
h2{font-size:clamp(1.9rem,4vw,3rem);font-weight:800}
h3{font-size:1.25rem;font-weight:750;letter-spacing:-.015em}
p{margin:0 0 1em}.lead{font-size:clamp(1.08rem,2vw,1.3rem);color:var(--mute);max-width:34em;line-height:1.55}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:750;letter-spacing:.13em;text-transform:uppercase;color:var(--teal);margin-bottom:1em}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor}
.muted{color:var(--mute)}.center{text-align:center}.center .lead{margin-inline:auto}

/* ---------- navigation ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.top.on-dark{background:var(--navy);border-bottom-color:rgba(255,255,255,.08);color:var(--on-navy)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font:800 1.1rem var(--round);letter-spacing:-.02em;text-decoration:none;white-space:nowrap}
.mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,var(--bright),#00a58e);display:grid;place-items:center;box-shadow:0 6px 16px rgba(0,209,178,.35)}
.mark svg{width:17px;height:17px;fill:var(--on-bright)}
.links{display:flex;align-items:center;gap:6px;font-size:.95rem;font-weight:650}
.links a{text-decoration:none;padding:9px 13px;border-radius:12px;color:var(--mute);white-space:nowrap}
.top.on-dark .links a{color:var(--mute-navy)}
.links a:hover,.links a[aria-current=page]{color:var(--ink);background:color-mix(in srgb,var(--ink) 7%,transparent)}
.top.on-dark .links a:hover,.top.on-dark .links a[aria-current=page]{color:#fff;background:rgba(255,255,255,.1)}
.menu{display:none}
@media(max-width:860px){
  .links{display:none}.menu{display:block;position:relative}
  .menu summary{list-style:none;cursor:pointer;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;border:1px solid var(--line);background:var(--card);color:var(--ink)}
  .menu summary::-webkit-details-marker{display:none}
  .menu svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
  .menu nav{position:absolute;right:0;top:54px;width:min(260px,calc(100vw - 40px));background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:8px;display:flex;flex-direction:column}
  .menu nav a{padding:13px 14px;border-radius:12px;text-decoration:none;font-weight:650}.menu nav a:hover{background:var(--mint)}
}

.links a.lang,.menu nav a.lang{border:1px solid color-mix(in srgb,currentColor 28%,transparent);color:var(--ink);margin-left:8px;padding:7px 14px;font-size:.88rem}
.top.on-dark .links a.lang{color:#fff;border-color:rgba(255,255,255,.3)}
.menu nav a.lang{margin:6px 8px 4px;text-align:center}

/* ---------- buttons & pills ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:18px;font:750 1rem var(--sans);text-decoration:none;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-primary{background:var(--bright);color:var(--on-bright)}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost{border-color:var(--line);background:var(--card)}
.btn-ghost-dark{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.06)}
.status{display:inline-flex;align-items:center;gap:12px;padding:10px 20px 10px 14px;border-radius:18px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;font-weight:700;line-height:1.2;text-align:left}
.status svg{width:26px;height:26px;stroke:var(--bright);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.status small{display:block;font-size:.76rem;font-weight:600;color:var(--mute-navy)}
.status.light{background:var(--card);border-color:var(--line);color:var(--ink)}.status.light small{color:var(--mute)}
.tag{display:inline-block;font-size:.75rem;font-weight:750;letter-spacing:.03em;padding:4px 11px;border-radius:999px;background:var(--mint);color:var(--teal)}

/* ---------- sections ---------- */
section{padding:clamp(60px,9vw,112px) 0}
.tint{background:linear-gradient(180deg,color-mix(in srgb,var(--mint) 70%,var(--bg)),var(--bg))}
.dark{background:radial-gradient(1200px 600px at 85% -10%,rgba(0,209,178,.20),transparent 60%),radial-gradient(900px 500px at 5% 110%,rgba(255,107,94,.12),transparent 60%),var(--navy);color:var(--on-navy)}
.dark .lead,.dark .muted{color:var(--mute-navy)}.dark .eyebrow{color:var(--bright)}
.sec-head{max-width:760px;margin-bottom:clamp(32px,5vw,56px)}
.sec-head.center{margin-inline:auto}

/* ---------- hero ---------- */
.hero{padding:clamp(40px,7vw,88px) 0 clamp(56px,8vw,104px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,5vw,72px);align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero h1{color:#fff}.hero h1 em{font-style:normal;background:linear-gradient(95deg,var(--bright),#7ff0dd);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:30px 0 18px}
.fine{font-size:.88rem;color:var(--mute-navy);max-width:34em}
.light-fine{font-size:.88rem;color:var(--mute)}
.hero-art{position:relative;min-height:560px;display:grid;place-items:center}
.hero-art .phone{position:absolute;width:min(290px,56%)}
.hero-art .p1{left:50%;top:50%;transform:translate(-62%,-50%) rotate(-5deg);z-index:2}
.hero-art .p2{left:50%;top:50%;transform:translate(-4%,-44%) rotate(5deg);z-index:1;opacity:.98}
.float{position:absolute;z-index:3;background:rgba(255,255,255,.96);color:var(--ink);border-radius:18px;padding:11px 15px;box-shadow:var(--shadow);font-weight:750;font-size:.9rem;line-height:1.25;display:flex;gap:10px;align-items:center}
.float b{font:800 1.35rem var(--round);letter-spacing:-.02em;display:block}.float span{color:var(--mute);font-weight:600;font-size:.78rem;display:block}
.float.f1{left:-2%;top:12%}.float.f2{right:-3%;bottom:14%}
@media(max-width:900px){.hero-art{min-height:520px;margin-top:20px}.float.f1{left:2%}.float.f2{right:2%}}
@media(max-width:480px){.hero-art{min-height:460px}.hero-art .phone{width:60%}.float{font-size:.8rem;padding:9px 12px}.float b{font-size:1.1rem}}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.hero-copy>*{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}.hero-copy>*:nth-child(2){animation-delay:.08s}.hero-copy>*:nth-child(3){animation-delay:.16s}.hero-copy>*:nth-child(4){animation-delay:.24s}.hero-copy>*:nth-child(5){animation-delay:.32s}
@media(prefers-reduced-motion:reduce){.hero-copy>*{animation:none}.btn,.card{transition:none}}

/* ---------- phone frame (real screenshots) ---------- */
/* The frame wraps the screenshot at its own aspect ratio (600x1304). Nothing is cropped: no fixed-ratio box, no object-fit:cover. */
.phone{margin:0;background:#06090c;border-radius:15.5% / 7.1%;padding:2.6%;box-shadow:var(--shadow),inset 0 0 0 1.5px #2a3a47;width:100%;line-height:0}
.phone img{display:block;width:100%;height:auto;aspect-ratio:600/1304;border-radius:12.6% / 5.8%;background:#06090c}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:20px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g3{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.g3,.g2,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .2s ease,box-shadow .2s ease}
a.card{text-decoration:none;display:block}a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.icon{width:50px;height:50px;border-radius:16px;background:var(--mint);display:grid;place-items:center;margin-bottom:18px}
.icon svg{width:26px;height:26px;stroke:var(--teal);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.card p{color:var(--mute);margin:0;font-size:.98rem}.card h3{margin-bottom:.35em}

/* ---------- showcase rows ---------- */
.show{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,88px);align-items:center;padding:clamp(28px,4vw,48px) 0}
.show.rev .show-art{order:-1}
@media(max-width:860px){.show{grid-template-columns:1fr}.show.rev .show-art{order:0}}
.show-art{display:grid;place-items:center;padding:clamp(28px,5vw,56px) 20px;border-radius:36px;background:radial-gradient(420px 320px at 50% 30%,color-mix(in srgb,var(--bright) 26%,transparent),transparent 70%),linear-gradient(160deg,var(--mint),color-mix(in srgb,var(--mint) 40%,var(--bg)))}
.show-art.coral{background:radial-gradient(420px 320px at 50% 30%,rgba(255,107,94,.22),transparent 70%),linear-gradient(160deg,#fff0ee,#fbf5f4)}
.show-art.navy{background:radial-gradient(420px 320px at 50% 30%,rgba(0,209,178,.28),transparent 70%),linear-gradient(160deg,#122431,#0b1620)}
@media(prefers-color-scheme:dark){.show-art.coral{background:radial-gradient(420px 320px at 50% 30%,rgba(255,107,94,.2),transparent 70%),linear-gradient(160deg,#2a1b1d,#161416)}}
.show-art.two{display:flex;gap:18px;justify-content:center}.show-art.two .phone:nth-child(2){margin-top:44px}
.show-art .phone{max-width:270px}.show-art.two .phone{max-width:210px}
.checks{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:12px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--mute)}.checks li b{color:var(--ink)}
.checks svg{flex:none;width:22px;height:22px;margin-top:3px;stroke:var(--teal);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* ---------- steps, strips, bands ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:26px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--navy);color:var(--bright);font:800 1.05rem var(--round);margin-bottom:16px}
.step p{margin:0;color:var(--mute);font-size:.96rem}
.sources{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.src{padding:12px 20px;border-radius:16px;background:var(--card);border:1px solid var(--line);font-weight:700;font-size:.95rem}
.src small{display:block;font-weight:500;color:var(--mute);font-size:.78rem}
.band{position:relative;min-height:460px;display:grid;align-items:center;color:#fff;isolation:isolate;padding:0}
.band>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(11,22,32,.88) 0%,rgba(11,22,32,.62) 48%,rgba(11,22,32,.18) 100%)}
.band .wrap{padding:72px 0}.band h2{color:#fff;max-width:14em}.band p{max-width:30em;color:#d3dee6}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.pill-list span{padding:9px 15px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);font-weight:650;font-size:.92rem}

/* ---------- faq ---------- */
details.q{border:1px solid var(--line);border-radius:20px;background:var(--card);padding:0 24px;margin-bottom:12px}
details.q summary{cursor:pointer;font:750 1.05rem var(--sans);padding:20px 0;list-style:none;display:flex;justify-content:space-between;gap:20px}
details.q summary::-webkit-details-marker{display:none}
details.q summary::after{content:"+";font:700 1.5rem/1 var(--sans);color:var(--teal)}details.q[open] summary::after{content:"–"}
details.q p{color:var(--mute);padding-bottom:6px}

/* ---------- article / doc ---------- */
.doc{width:min(780px,calc(100% - 40px));margin-inline:auto;padding:clamp(36px,6vw,72px) 0 clamp(56px,8vw,96px)}
.doc h1{font-size:clamp(2.2rem,5vw,3.4rem)}.doc h2{font-size:clamp(1.5rem,3vw,2rem);margin-top:1.9em}.doc li{margin-bottom:.55em}
.doc .note{border-left:4px solid var(--teal);background:var(--mint);border-radius:0 18px 18px 0;padding:16px 20px;margin:1.6em 0}
.table-wrap{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:18px;background:var(--card)}
.table{width:100%;border-collapse:collapse;font-size:.96rem}.table th,.table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.table tr:last-child td{border-bottom:0}.table th{color:var(--mute);font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;background:color-mix(in srgb,var(--mint) 55%,var(--card))}
.crumbs{font-size:.88rem;color:var(--mute);margin-bottom:20px}.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--teal)}
.cover{border-radius:30px;overflow:hidden;margin:26px 0 8px;aspect-ratio:16/8}.cover img{width:100%;height:100%;object-fit:cover}
.meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;color:var(--mute);font-size:.9rem}

/* ---------- journal cards ---------- */
.post{overflow:hidden;padding:0}.post .pic{aspect-ratio:16/10;overflow:hidden}.post .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.post:hover .pic img{transform:scale(1.04)}
.post .txt{padding:24px 26px 28px}.post h3{margin:.55em 0 .4em}

/* ---------- foods ---------- */
.kcal{display:flex;flex-wrap:wrap;gap:22px;align-items:flex-end;justify-content:space-between;padding:30px;border-radius:30px;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;margin:22px 0}
.kcal .n{font:800 clamp(3.2rem,9vw,5.4rem)/.95 var(--round);letter-spacing:-.04em;color:var(--bright)}.kcal .n small{font:600 1.1rem var(--sans);color:var(--mute-navy);letter-spacing:0;margin-left:8px}
.kcal p{margin:0;color:var(--mute-navy);max-width:20em;font-size:.95rem}
.macro-bar{display:flex;height:16px;border-radius:99px;overflow:hidden;margin:14px 0 10px;background:var(--line)}.macro-bar i{display:block}
.legend{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.92rem;color:var(--mute)}.legend b{color:var(--ink)}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:7px}
.foodgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin:0;padding:0;list-style:none}
.foodgrid a{display:flex;justify-content:space-between;gap:10px;padding:13px 16px;border-radius:16px;background:var(--card);border:1px solid var(--line);text-decoration:none;font-weight:650;font-size:.95rem}
.foodgrid a:hover{border-color:var(--teal)}.foodgrid span{color:var(--mute);font-weight:600;white-space:nowrap}
.search{width:100%;max-width:520px;min-height:54px;border-radius:18px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:0 20px;font:600 1rem var(--sans)}
.search:focus{outline:3px solid color-mix(in srgb,var(--bright) 55%,transparent);border-color:var(--teal)}

/* ---------- footer ---------- */
footer{background:var(--navy);color:var(--on-navy);padding:64px 0 40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media(max-width:860px){.foot{grid-template-columns:1fr 1fr}}@media(max-width:520px){.foot{grid-template-columns:1fr}}
footer .footer-label{font:750 .8rem var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--mute-navy);margin-bottom:14px}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}footer a{text-decoration:none;color:#d9e4eb}footer a:hover{color:var(--bright)}
.foot p{color:var(--mute-navy);font-size:.92rem;max-width:26em}
.legal{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:24px;font-size:.84rem;color:var(--mute-navy)}
:focus-visible{outline:3px solid var(--bright);outline-offset:3px;border-radius:6px}

/* Chinese headings: avoid a one-character last line */
:lang(zh-Hans) h1,:lang(zh-Hans) h2,:lang(zh-Hans) h3{text-wrap:pretty;letter-spacing:0}
:lang(zh-Hans) body{letter-spacing:.01em}