/* Layout: one long scroll. Text block left on a cornflower→mist field, product right on stone.
   White cards carry evidence and prices. Clinical Daylight — single light theme by brand decision. */
:root{
  /* BRÜN CI (brand book, Nov 2026): Baby Blue Jay · Frost Blue · Navy Blue · Clinical White · Aqua Clear · Silver/Fog/Cloudy Grey */
  --navy:#1e2a43; --babyblue:#9ab1d9; --frost:#8ba3c5; --aqua:#e6f3f1; --fog:#e3e5e8; --cloudy:#c9cdd4; --silver:#5f6775;
  --steel:#4f6a94;            /* darker frost for small accent text (4.6:1 on white) */
  --mist:#dee7f3; --cloud:#f5f8fb; --white:#fdfeff; --line:#d7dee8; --ink:#1a1a1a; --shell:#ebe5df;
  /* legacy aliases used across the stylesheet */
  --cornflower:var(--babyblue); --cobalt:var(--steel); --slate:var(--silver); --strike:var(--silver);
  --bg:var(--white); --fg:var(--navy);
  --sans:"Kanit","Noto Sans Thai","Sukhumvit Set","Leelawadee UI",Tahoma,sans-serif;
  --label:"Montserrat","Helvetica Neue","Kanit",sans-serif;
  --r-chip:14px; --r-card:24px; --r-pill:999px;
  --shadow:0 14px 44px rgba(30,42,67,.10);
  --gx:max(16px,env(safe-area-inset-left,0px)); --gxr:max(16px,env(safe-area-inset-right,0px));
  --maxw:1180px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:rgba(255,255,255,.92)}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2,h3{text-wrap:balance;line-height:1.25}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-left:var(--gx);padding-right:var(--gxr)}
.lead{font-weight:300;font-size:clamp(20px,2.4vw,28px);color:var(--navy)}
.hero-h{font-weight:600;font-size:clamp(34px,5vw,60px);letter-spacing:-.01em}
.h2{font-weight:600;font-size:clamp(28px,3.4vw,42px)}
.hl{color:var(--cobalt)}
.sub{font-size:clamp(17px,1.5vw,20px);color:var(--slate);max-width:36em}
.label{font-family:var(--label);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px;color:var(--slate)}
.section{padding-block:clamp(56px,8vw,104px)}
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:clamp(28px,4vw,48px);max-width:40em}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:var(--r-pill);font:inherit;font-weight:600;font-size:17px;text-decoration:none;cursor:pointer;border:2px solid transparent;transition:transform .15s ease,background .15s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--navy);color:var(--white);border-color:var(--navy)}
.btn-primary:hover{background:#16213a}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:rgba(255,255,255,.5)}
.btn-white{background:var(--white);color:var(--navy);border-color:var(--white);box-shadow:0 4px 16px rgba(25,46,99,.12)}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px}

/* Header */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.wordmark{font-family:var(--label);font-weight:600;font-size:24px;letter-spacing:.04em;color:var(--ink);text-decoration:none;line-height:1}
.wordmark small{display:block;font-size:8px;letter-spacing:.22em;font-weight:600;color:var(--slate);margin-top:3px}
.nav{display:flex;gap:28px;align-items:center}
.nav a{text-decoration:none;font-weight:500;font-size:16px;color:var(--navy);white-space:nowrap}
.nav a:hover{color:var(--cobalt)}
.hdr .btn{min-height:44px;padding:0 20px;font-size:15px}
@media (max-width:860px){.nav{display:none}}

/* Hero */
.hero{background:linear-gradient(105deg,var(--mist) 0%,var(--mist) 28%,var(--cornflower) 82%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:center;padding-block:clamp(40px,6vw,88px)}
.hero-copy{display:flex;flex-direction:column;gap:22px}
.hero-copy .sub{color:var(--navy);opacity:.9}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.trust{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:15px;color:var(--navy);margin-top:6px}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust svg{width:18px;height:18px;flex:none}
.hero-art{position:relative;min-width:0}
.hero-art img{width:100%;border-radius:var(--r-card);box-shadow:var(--shadow);aspect-ratio:728/615;object-fit:cover;object-position:left center}
.hero-tag{position:absolute;left:18px;bottom:18px;background:var(--white);border-radius:var(--r-chip);padding:10px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
.hero-tag b{font-size:16px;font-weight:600}
.hero-tag span{font-size:13px;color:var(--slate)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-art{order:-1}.hero-art img{aspect-ratio:4/3}}

/* Who for */
.who{background:var(--white)}
.who .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,56px);align-items:center}
.who-cards{display:grid;gap:14px}
.who-card{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;padding:20px 22px;border:1.5px solid var(--line);border-radius:var(--r-card);background:var(--white)}
.who-card h3{font-size:19px;font-weight:600;margin-bottom:4px}
.who-card p{color:var(--slate);font-size:16px}
.ico{width:56px;height:56px;border-radius:var(--r-pill);border:1.5px solid var(--line);background:var(--white);display:grid;place-items:center;flex:none}
.ico svg{width:28px;height:28px;stroke:var(--navy);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ico.tint{background:var(--mist);border-color:var(--mist)}
.who img{border-radius:var(--r-card);aspect-ratio:640/542;object-fit:cover;width:100%}
@media (max-width:860px){.who .grid{grid-template-columns:1fr}}

/* Triple action */
.triple{background:var(--cloud)}
.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tcard{background:var(--white);border-radius:var(--r-card);padding:28px 26px;display:flex;flex-direction:column;gap:14px;min-width:0}
.tcard .word{font-size:34px;font-weight:700;line-height:1.1}
.tcard .ing{font-family:var(--label);font-weight:600;font-size:14px;letter-spacing:.04em;color:var(--cobalt)}
.tcard p{color:var(--slate);font-size:16px}
.tagline{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.tagline .label{color:var(--cobalt)}
.tagline .big{font-size:clamp(28px,3.4vw,42px);font-weight:600}
.tagline .big i{font-style:normal;color:var(--cobalt);margin:0 10px}
@media (max-width:860px){.triple-grid{grid-template-columns:1fr}}

/* Evidence */
.evi{background:linear-gradient(255deg,var(--mist) 0%,var(--mist) 30%,var(--cornflower) 80%)}
.evi .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,56px);align-items:center}
.evi img{border-radius:var(--r-card);box-shadow:var(--shadow);aspect-ratio:500/760;object-fit:cover;object-position:right center;width:100%;max-height:560px}
.evi-copy{display:flex;flex-direction:column;gap:18px}
.evi-copy .sub{color:var(--navy);opacity:.92}
.studies{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.study{background:var(--white);border-radius:var(--r-chip);padding:16px 16px 14px;box-shadow:var(--shadow);min-width:0}
.study .yr{font-family:var(--label);font-weight:700;font-size:22px;color:var(--cobalt);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.study b{display:block;font-size:15px;font-weight:600;margin-top:2px}
.study span{display:block;font-size:13px;color:var(--slate);line-height:1.45;margin-top:4px}
.note{font-size:14px;color:var(--navy);opacity:.8}
@media (max-width:860px){.evi .grid{grid-template-columns:1fr}.evi img{max-height:360px;aspect-ratio:4/3}.studies{grid-template-columns:1fr}}

/* Dose */
.dose{background:var(--white)}
.dose .row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.dose-card{background:var(--cloud);border-radius:var(--r-card);padding:28px;display:grid;gap:18px}
.dose-line{display:flex;align-items:center;gap:16px;font-size:17px}
.dose-line b{font-weight:600}
.pill{display:inline-flex;align-items:center;gap:14px;padding:8px 20px;border:2px solid var(--line);border-radius:var(--r-pill);background:var(--white);font-weight:500;font-size:16px;white-space:nowrap;width:max-content}
.pill i{width:2px;height:18px;background:var(--line);display:block}
@media (max-width:860px){.dose .row{grid-template-columns:1fr}}

/* Sets */
.sets{background:var(--cloud)}
.sets-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.set{background:var(--white);border-radius:var(--r-card);padding:26px 24px 24px;display:flex;flex-direction:column;gap:14px;border:2px solid transparent;min-width:0}
.set.rec{border-color:var(--cobalt)}
.set-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.set-num{font-family:var(--label);font-weight:500;font-size:30px;color:var(--cobalt);line-height:1}
.set-name{font-family:var(--label);font-weight:700;font-size:15px;letter-spacing:.06em;text-transform:uppercase;margin-top:6px}
.set-th{font-size:15px;color:var(--slate)}
.rec-tag{font-size:12px;font-weight:600;background:var(--mist);color:var(--navy);border-radius:var(--r-chip);padding:4px 10px;white-space:nowrap}
.price{font-size:44px;font-weight:700;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.price small{font-size:20px;font-weight:600;margin-left:2px}
.was{font-size:15px;color:var(--slate)}
.was s{color:var(--strike);text-decoration-thickness:2px}
.per{font-size:14px;font-weight:500;background:var(--mist);border-radius:var(--r-chip);padding:4px 12px;width:max-content}
.set .btn{margin-top:auto;width:100%}
.sets .note{text-align:center;margin-top:18px;color:var(--slate);opacity:1}
@media (max-width:860px){.sets-grid{grid-template-columns:1fr}}

/* Channels */
.buy{background:var(--white)}
.chan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.chan{border:1.5px solid var(--line);border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;gap:10px;text-decoration:none;min-width:0;transition:border-color .15s,box-shadow .15s}
.chan:hover{border-color:var(--cobalt);box-shadow:var(--shadow)}
.chan b{font-size:18px;font-weight:600}
.chan span{font-size:15px;color:var(--slate);line-height:1.5}
.chan .go{margin-top:auto;font-weight:600;font-size:15px;color:var(--cobalt)}
@media (max-width:860px){.chan-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.chan-grid{grid-template-columns:1fr}}

/* FAQ */
.faq{background:var(--cloud)}
.faq-list{display:grid;gap:10px;max-width:820px}
details{background:var(--white);border-radius:var(--r-chip);border:1.5px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;font-weight:600;font-size:17px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;font-weight:300;color:var(--cobalt);flex:none;line-height:1}
details[open] summary::after{content:"−"}
details p{padding:0 20px 18px;color:var(--slate);font-size:16px}

/* Closing */
.close{background:linear-gradient(105deg,var(--mist) 0%,var(--cornflower) 90%)}
.close .wrap{display:flex;flex-direction:column;align-items:flex-start;gap:18px}

/* Footer */
footer{background:var(--white);border-top:1px solid var(--line);padding-block:36px 120px;font-size:14px;color:var(--slate)}
footer .wrap{display:grid;gap:18px}
.f-row{display:flex;flex-wrap:wrap;gap:8px 28px;align-items:center}
footer .wordmark{font-size:20px}
.f-legal{display:grid;gap:4px}
.f-legal b{color:var(--navy);font-weight:500}
@media (min-width:861px){footer{padding-bottom:44px}}

/* Sticky mobile bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:none;gap:10px;padding:10px var(--gxr) calc(10px + env(safe-area-inset-bottom,0px)) var(--gx);background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px)}
.mbar .btn{flex:1;min-height:50px}
@media (max-width:860px){.mbar{display:flex}}

/* Buy sheet */
.sheet{position:fixed;inset:0;z-index:30;background:rgba(25,46,99,.45);display:flex;align-items:flex-end;justify-content:center}
.sheet[hidden]{display:none!important}
.sheet-card{background:var(--white);width:min(560px,100%);border-radius:var(--r-card) var(--r-card) 0 0;padding:22px var(--gxr) calc(22px + env(safe-area-inset-bottom,0px)) var(--gx);display:grid;gap:10px}
@media (min-width:600px){.sheet{align-items:center}.sheet-card{border-radius:var(--r-card)}}
.sheet-card h3{font-size:20px;font-weight:600;margin-bottom:6px}
.sheet-card .btn{width:100%;justify-content:space-between}
.sheet-card .x{justify-self:end;background:none;border:0;font:inherit;color:var(--slate);cursor:pointer;padding:6px 0 0}
.draft{position:fixed;top:calc(78px + env(safe-area-inset-top,0px));left:50%;transform:translateX(-50%);z-index:11;font-family:var(--label);font-size:10px;letter-spacing:.14em;font-weight:700;color:var(--white);background:var(--cobalt);padding:4px 10px;border-radius:var(--r-pill);pointer-events:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* ---------- Navigation (v0.2) ---------- */
.hdr .wrap{min-height:68px}
.nav-toggle{display:none;background:none;border:0;padding:8px;margin-left:auto;cursor:pointer;color:var(--navy)}
.nav-toggle svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.nav a[aria-current="page"]{color:var(--cobalt);font-weight:600}
@media (max-width:980px){
  .nav{display:none}
  .nav-toggle{display:inline-flex}
  .hdr .btn{display:none}
  .hdr.open .nav{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:8px var(--gxr) 16px var(--gx)}
  .hdr.open .nav a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:18px}
  .hdr.open .nav a:last-child{border-bottom:0}
  .hdr.open .nav .btn{display:inline-flex;margin-top:12px;color:var(--white)}
}
.hdr{position:sticky}
.hdr .wrap{position:relative}
.nav .btn{display:none}

/* ---------- Sub-pages ---------- */
.page-hero{background:linear-gradient(105deg,var(--mist) 0%,var(--mist) 40%,var(--cornflower) 100%)}
.page-hero .wrap{padding-block:clamp(36px,6vw,72px);display:flex;flex-direction:column;gap:12px;max-width:var(--maxw)}
.page-hero .sub{color:var(--navy);opacity:.9}
.crumb{font-size:14px;color:var(--navy);opacity:.8;display:flex;gap:8px;flex-wrap:wrap}
.crumb a{text-decoration:none}
.prose{max-width:760px;display:grid;gap:18px}
.prose h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;margin-top:18px}
.prose h3{font-size:20px;font-weight:600;margin-top:6px}
.prose p,.prose li{font-size:17px;color:var(--navy)}
.prose ul,.prose ol{margin:0;padding-left:22px;display:grid;gap:8px}
.prose .muted{color:var(--slate)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr}}
.tbl-wrap{overflow-x:auto;border:1.5px solid var(--line);border-radius:var(--r-chip);background:var(--white)}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:16px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;font-size:14px;letter-spacing:.02em;color:var(--slate);background:var(--cloud)}
tr:last-child td{border-bottom:0}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.callout{background:var(--cloud);border-radius:var(--r-card);padding:22px 24px;display:grid;gap:8px}
.callout b{font-weight:600}
.tldr{background:var(--white);border:2px solid var(--mist);border-radius:var(--r-card);padding:22px 24px;display:grid;gap:8px}
.tldr .label{color:var(--cobalt)}
.refs{font-size:14px;color:var(--slate);display:grid;gap:8px;padding-left:22px;margin:0}
.refs a{color:var(--cobalt);word-break:break-all}
sup{font-size:.7em;color:var(--cobalt);font-weight:600}
.cta-band{background:var(--cloud);border-radius:var(--r-card);padding:26px 28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.cta-band b{font-size:19px;font-weight:600}
.cta-band .btns{display:flex;gap:10px;flex-wrap:wrap}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:860px){.cards3{grid-template-columns:1fr}}
.card{background:var(--white);border:1.5px solid var(--line);border-radius:var(--r-card);padding:22px;display:grid;gap:8px;min-width:0}
.card h3{font-size:18px;font-weight:600}
.card p{font-size:15px;color:var(--slate)}
.steps{counter-reset:s;display:grid;gap:14px;padding:0;margin:0;list-style:none}
.steps li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
.steps li::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--label);font-weight:600;color:var(--cobalt);font-size:22px;line-height:1.3}
.form{display:grid;gap:14px;background:var(--white);border:1.5px solid var(--line);border-radius:var(--r-card);padding:24px}
.form label{display:grid;gap:6px;font-size:15px;font-weight:500}
.form input,.form select,.form textarea{font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--white);color:var(--navy);width:100%}
.form input:focus,.form textarea:focus{outline:3px solid var(--mist);border-color:var(--cobalt)}
.form .check{grid-template-columns:22px 1fr;display:grid;gap:10px;align-items:start;font-weight:400}
.form .check input{width:22px;height:22px;margin:2px 0 0}
.form .ok{background:var(--mist);border-radius:12px;padding:14px;font-weight:500}
.ingredient-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:860px){.ingredient-grid{grid-template-columns:1fr}}
.ing-card{background:var(--white);border-radius:var(--r-card);padding:24px;border:1.5px solid var(--line);display:grid;gap:10px;text-decoration:none;min-width:0}
.ing-card:hover{border-color:var(--cobalt);box-shadow:var(--shadow)}
.ing-card .word{font-size:26px;font-weight:700}
.ing-card .ing{font-family:var(--label);font-weight:600;font-size:13px;letter-spacing:.04em;color:var(--cobalt)}
.ing-card p{font-size:15px;color:var(--slate)}
.ing-card .go{font-weight:600;font-size:15px;color:var(--cobalt)}
footer .f-nav{display:flex;flex-wrap:wrap;gap:8px 22px}
footer .f-nav a{text-decoration:none;color:var(--navy);font-size:15px}

/* ================= v0.3 — motion, premium polish, explorer ================= */
/* Hero motion */
.hero{background-size:160% 160%;animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{from{background-position:0% 50%}to{background-position:100% 50%}}
.hero-art img{animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-copy > *{opacity:0;transform:translateY(14px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.hero-copy > :nth-child(1){animation-delay:.05s}.hero-copy > :nth-child(2){animation-delay:.15s}.hero-copy > :nth-child(3){animation-delay:.28s}.hero-copy > :nth-child(4){animation-delay:.4s}.hero-copy > :nth-child(5){animation-delay:.52s}
@keyframes rise{to{opacity:1;transform:none}}
.hero-tag{animation:rise .7s .7s cubic-bezier(.2,.7,.2,1) both}

/* Scroll reveal: JS adds .will-reveal only to off-screen blocks, then .in when visible */
.will-reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.will-reveal.in{opacity:1;transform:none}
.stagger > .will-reveal:nth-child(2){transition-delay:.1s}.stagger > .will-reveal:nth-child(3){transition-delay:.2s}.stagger > .will-reveal:nth-child(4){transition-delay:.3s}

/* Hover micro-interactions */
.btn{transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(25,46,99,.22)}
.tcard,.set,.who-card,.card,.ing-card,.chan{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.set:hover,.card:hover,.who-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
details p{animation:fadein .35s ease}
@keyframes fadein{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* Eyebrow rule + section numbering restraint */
.label.rule{display:flex;align-items:center;gap:12px}
.label.rule::before{content:"";width:28px;height:1.5px;background:var(--cobalt)}

/* ---------- Ingredient explorer ---------- */
.explorer{background:var(--white);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1.5px solid var(--line);background:var(--cloud)}
.tab{appearance:none;background:none;border:0;border-bottom:3px solid transparent;padding:18px 14px 14px;font:inherit;cursor:pointer;display:grid;gap:2px;text-align:left;color:var(--navy);transition:background .2s}
.tab .w{font-size:22px;font-weight:700;line-height:1.1}
.tab .i{font-family:var(--label);font-size:12px;font-weight:600;letter-spacing:.05em;color:var(--slate)}
.tab[aria-selected="true"]{background:var(--white);border-bottom-color:var(--cobalt)}
.tab[aria-selected="true"] .i{color:var(--cobalt)}
.panel{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px);padding:clamp(22px,3vw,36px);align-items:center}
.panel[hidden]{display:none!important}
.panel .copy{display:grid;gap:14px;min-width:0}
.panel h3{font-size:clamp(22px,2.4vw,28px);font-weight:700}
.panel p{font-size:16px;color:var(--navy)}
.panel .simple{background:var(--cloud);border-radius:var(--r-chip);padding:14px 16px;font-size:15px;color:var(--navy);display:grid;gap:4px}
.panel .simple b{font-family:var(--label);font-size:11px;letter-spacing:.08em;color:var(--cobalt)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.fact{border:1.5px solid var(--line);border-radius:var(--r-chip);padding:12px 12px 10px;min-width:0}
.fact .n{font-size:26px;font-weight:700;color:var(--cobalt);letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums;white-space:nowrap}
.fact .n small{font-size:14px;font-weight:600;margin-left:2px}
.fact .t{font-size:12.5px;color:var(--slate);line-height:1.4;margin-top:4px}
.panel .refs-line{font-size:13px;color:var(--slate)}
.panel .refs-line a{color:var(--cobalt)}
.mech{width:100%;max-width:440px;margin-inline:auto;aspect-ratio:1;display:block}
@media (max-width:860px){.panel{grid-template-columns:1fr}.mech{max-width:320px;order:-1}.tabs{grid-template-columns:repeat(3,1fr)}.tab{padding:14px 10px 12px}.tab .w{font-size:18px}.facts{grid-template-columns:repeat(3,1fr)}.fact .n{font-size:22px}}
@media (max-width:420px){.facts{grid-template-columns:1fr 1fr}}
.panel.entering .copy > *{animation:rise .5s cubic-bezier(.2,.7,.2,1) both}
.panel.entering .copy > :nth-child(2){animation-delay:.06s}.panel.entering .copy > :nth-child(3){animation-delay:.12s}.panel.entering .copy > :nth-child(4){animation-delay:.18s}

/* ---------- Mechanism SVG animations (play when .play is set) ---------- */
.mech .stroke{fill:none;stroke:var(--navy);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mech .thin{stroke-width:1.5}
.mech .cob{stroke:var(--cobalt)}
.mech .fillmist{fill:var(--mist)}
.mech .fillwhite{fill:var(--white)}
.mech .fillshell{fill:var(--shell)}
.mech .fillcob{fill:var(--cobalt)}
.mech .fillnavy{fill:var(--navy)}
.mech text{font-family:var(--sans);fill:var(--navy);font-size:13px}
.mech .lbl{font-size:12px;fill:var(--slate)}
.mech .draw{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600)}
.mech.play .draw{animation:draw 1.6s cubic-bezier(.4,0,.2,1) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.mech .pop{opacity:0;transform-origin:center;transform-box:fill-box;transform:scale(.6)}
.mech.play .pop{animation:pop .5s cubic-bezier(.2,.8,.2,1.2) forwards}
@keyframes pop{to{opacity:1;transform:scale(1)}}
.mech .fade{opacity:0}
.mech.play .fade{animation:fadeto 1s ease forwards}
@keyframes fadeto{to{opacity:1}}
.mech.play .d1{animation-delay:.2s}.mech.play .d2{animation-delay:.6s}.mech.play .d3{animation-delay:1s}.mech.play .d4{animation-delay:1.4s}.mech.play .d5{animation-delay:1.8s}.mech.play .d6{animation-delay:2.2s}.mech.play .d7{animation-delay:2.6s}
.mech .pulse{transform-origin:center;transform-box:fill-box}
.mech.play .pulse{animation:pulse 2.4s ease-in-out 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.9}50%{transform:scale(1.08);opacity:1}}
.mech .spin{transform-origin:center;transform-box:fill-box}
.mech.play .spin{animation:spin 24s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.mech .travel{offset-rotate:0deg}
.mech.play .travel{animation:travel 3.2s cubic-bezier(.4,0,.3,1) 1.2s infinite}
@keyframes travel{0%{offset-distance:0%;opacity:0}10%{opacity:1}85%{opacity:1}100%{offset-distance:100%;opacity:0}}
.mech .fall{opacity:0}
.mech.play .fall{animation:fall 2.6s ease-in infinite}
@keyframes fall{0%{transform:translateY(-26px);opacity:0}20%{opacity:1}80%{opacity:1}100%{transform:translateY(0);opacity:0}}

/* ---------- Gift section ---------- */
.gift{background:linear-gradient(180deg,var(--white) 0%,var(--cloud) 100%)}
.gift .grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.gift-card{background:var(--white);border-radius:var(--r-card);box-shadow:var(--shadow);padding:28px;display:grid;gap:16px}
.gift-card .row{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
.gift-card .row b{display:block;font-weight:600}
.gift-card .row span{font-size:15px;color:var(--slate)}
@media (max-width:860px){.gift .grid{grid-template-columns:1fr}}

/* Text size toggle */
.a11y{appearance:none;background:none;border:1.5px solid var(--line);border-radius:var(--r-pill);padding:6px 12px;font:inherit;font-size:14px;font-weight:600;color:var(--navy);cursor:pointer;white-space:nowrap}
html.big{font-size:112.5%}
html.big body{font-size:20px}
html.big .panel p,html.big .prose p,html.big .prose li,html.big details p,html.big .tcard p,html.big .who-card p{font-size:19px}
@media (max-width:980px){.hdr .a11y{display:none}.hdr.open .nav .a11y{display:inline-block;margin-top:10px;justify-self:start}}

@media (prefers-reduced-motion:reduce){
  .hero,.hero-art img,.hero-copy > *,.hero-tag,.mech.play *,.will-reveal,.panel.entering .copy > *,details p{animation:none!important;transition:none!important;opacity:1!important;transform:none!important}
  .mech .draw{stroke-dashoffset:0}
  .mech .pop,.mech .fade,.mech .fall{opacity:1}
}

/* v0.3 fixes */
.nav .a11y{display:none}
.draft{top:auto;bottom:12px;left:12px;transform:none}
@media (max-width:860px){.draft{bottom:calc(84px + env(safe-area-inset-bottom,0px))}}


/* ================= v0.4 — brand CI retheme ================= */
b,strong{font-weight:500}
.sub,.panel p,.prose p,.prose li,details p,.tcard p,.who-card p,.card p{font-weight:300}
.lead{font-weight:300}
.btn{font-weight:500}
.label{color:var(--steel)}
/* Hero: translucent, clinical, quiet */
.hero{background:radial-gradient(900px 520px at 78% 30%,rgba(154,177,217,.55) 0%,rgba(154,177,217,0) 60%),radial-gradient(700px 420px at 20% 90%,rgba(230,243,241,.9) 0%,rgba(230,243,241,0) 60%),linear-gradient(180deg,var(--white) 0%,var(--mist) 100%);background-size:auto;animation:none;position:relative}
.hero::before{content:"";position:absolute;inset:0;background:url("brun-symbol.png") no-repeat right -60px top -40px/420px auto;opacity:.05;pointer-events:none}
.hero .wrap{position:relative}
.hero-copy .sub{color:var(--silver);opacity:1}
.hero-eyebrow{font-family:var(--label);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);font-weight:600}
.hero-art{display:grid;place-items:center}
.hero-art img{border-radius:0;box-shadow:none;aspect-ratio:auto;width:min(100%,420px);object-fit:contain;filter:drop-shadow(0 30px 40px rgba(30,42,67,.18))}
.hero-art::before{content:"";position:absolute;width:min(70%,380px);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(253,254,255,.9) 0%,rgba(230,243,241,.6) 45%,rgba(154,177,217,0) 72%);z-index:0}
.hero-art img{position:relative;z-index:1}
.hero-tag{background:rgba(253,254,255,.85);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.7);box-shadow:0 10px 30px rgba(30,42,67,.10);left:auto;right:8px;bottom:24px}
@media (max-width:860px){.hero-art img{aspect-ratio:auto;width:min(70%,300px)}.hero-tag{right:0}}
/* Evidence field: no more saturated gradient */
.evi{background:linear-gradient(255deg,var(--white) 0%,var(--mist) 60%,var(--babyblue) 140%)}
.close{background:linear-gradient(105deg,var(--mist) 0%,var(--babyblue) 130%)}
.page-hero{background:linear-gradient(105deg,var(--white) 0%,var(--mist) 70%,rgba(154,177,217,.6) 130%)}
.study .yr,.fact .n,.set-num,.ing-card .ing,.tcard .ing,.chan .go,.ing-card .go,.steps li::before,.tab[aria-selected="true"] .i,.panel .simple b,sup{color:var(--navy)}
.fact .n{font-weight:500}
.tab[aria-selected="true"]{border-bottom-color:var(--navy)}
.rec-tag{background:var(--aqua);color:var(--navy);font-weight:500}
.set.rec{border-color:var(--frost)}
.per{background:var(--aqua)}
.was s{color:var(--silver);text-decoration-thickness:1.5px}
.price{font-weight:500}
.draft{background:var(--navy)}
.wordmark img{height:22px;width:auto;display:block}
footer .wordmark img{height:18px}
.brand-tag{font-family:var(--label);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--silver)}
/* Story section */
.story{background:var(--white)}
.story .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,5vw,72px);align-items:center}
.story blockquote{margin:0;padding:0;font-size:clamp(20px,2.4vw,28px);font-weight:300;line-height:1.5;color:var(--navy);text-wrap:balance}
.story blockquote b{font-weight:500}
.story .sym{width:min(100%,360px);margin-inline:auto;display:block}
.story .meaning{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.story .meaning div{border-top:1.5px solid var(--line);padding-top:10px;font-size:15px;color:var(--silver)}
.story .meaning b{display:block;color:var(--navy);font-weight:500;margin-bottom:2px}
@media (max-width:860px){.story .grid{grid-template-columns:1fr}.story .sym{max-width:240px}}
.sym .c{transform-box:fill-box;transform-origin:center}
.sym.play .c1{animation:symIn .9s .1s cubic-bezier(.2,.7,.2,1) both}
.sym.play .c2{animation:symIn .9s .3s cubic-bezier(.2,.7,.2,1) both}
.sym.play .c3{animation:symIn .9s .5s cubic-bezier(.2,.7,.2,1) both}
.sym.play .c4{animation:symIn .9s .7s cubic-bezier(.2,.7,.2,1) both}
@keyframes symIn{from{opacity:0;transform:scale(.3) translateY(20px)}to{opacity:1;transform:none}}
.sym .wave{opacity:0}
.sym.play .wave{animation:fadeto 1.2s 1.2s ease forwards}
/* Mechanism drawings: tone accents to brand */
.mech .cob{stroke:var(--steel)}
.mech .fillcob{fill:var(--steel)}
.mech .fillmist{fill:var(--aqua)}
/* Gift section photo */
.gift-photo{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow)}
.gift-photo img{width:100%;aspect-ratio:1;object-fit:cover}
.gift .grid{grid-template-columns:1fr 1fr 1fr}
@media (max-width:980px){.gift .grid{grid-template-columns:1fr}}

/* v0.4 fixes */
.hero-art img{-webkit-mask-image:radial-gradient(ellipse 62% 58% at 50% 50%,#000 58%,transparent 82%);mask-image:radial-gradient(ellipse 62% 58% at 50% 50%,#000 58%,transparent 82%);filter:none}
.hero-art{position:relative}
.hero-tag{position:relative;left:auto;right:auto;bottom:auto;margin-top:-26px;z-index:2;justify-self:center}
.sym.play .wave{animation:fadeto .8s .9s ease forwards}