/* =========================================================
   AlphaTrust (alphattrust.com) — style.css
   Editorial hairline-border system, flexbox-based card grids
   (not CSS Grid), underline-tab accents. Class prefix: atr-
   Distinct from all prior AlphaTrust builds.
   ========================================================= */

:root{
  --atr-red:#C21F30;
  --atr-red-deep:#8A1521;
  --atr-ink:#232326;
  --atr-mute:#6B6B70;
  --atr-bg:#FFFFFF;
  --atr-bg-soft:#F9F7F6;
  --atr-bg-tint:#FCEFEC;
  --atr-line:#E4DEDC;
  --atr-gold:#B4832C;
  --atr-max:min(1180px,92vw);
  --atr-shadow:0 6px 22px rgba(35,35,38,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"DM Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--atr-mute);background:var(--atr-bg);
  font-size:clamp(1rem,.95rem + .25vw,1.08rem);line-height:1.72;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--atr-red-deep);text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:"Libre Franklin",Arial,sans-serif;color:var(--atr-ink);font-weight:800;line-height:1.15;margin:0 0 .5em;letter-spacing:-.2px}
h1{font-size:clamp(2.1rem,1.55rem + 2.7vw,3.3rem)}
h2{font-size:clamp(1.6rem,1.25rem + 1.6vw,2.3rem)}
h3{font-size:clamp(1.08rem,1rem + .5vw,1.28rem);font-weight:700}
p{margin:0 0 1em}
.atr-max{width:var(--atr-max);margin-inline:auto}
.atr-sec{padding:clamp(3rem,4vw + 1rem,5.5rem) 0}
.atr-sec--soft{background:var(--atr-bg-soft)}
.atr-sec--tint{background:var(--atr-bg-tint)}
.atr-eyebrow{display:flex;align-items:center;gap:.55em;font-family:"Libre Franklin",sans-serif;font-weight:700;font-size:.78rem;letter-spacing:1.8px;text-transform:uppercase;color:var(--atr-red);margin-bottom:.9em}
.atr-eyebrow::after{content:"";flex:1;height:1px;background:var(--atr-line);max-width:60px}
.atr-headwrap{max-width:740px;margin-bottom:clamp(1.6rem,2vw + 1rem,2.8rem)}
.atr-headwrap--c{margin-inline:auto;text-align:center}
.atr-headwrap--c .atr-eyebrow{justify-content:center}
.atr-headwrap--c .atr-eyebrow::after{display:none}
.atr-lede{font-size:1.08rem}

.atr-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.95em 2em;font-weight:700;font-family:"Libre Franklin",sans-serif;font-size:.94rem;border:1.5px solid transparent;border-radius:2px;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .2s ease;white-space:nowrap}
.atr-btn--pri{background:var(--atr-red);color:#fff;box-shadow:0 10px 22px rgba(194,31,48,.28)}
.atr-btn--pri:hover{background:var(--atr-red-deep);transform:translateY(-2px)}
.atr-btn--out{border-color:var(--atr-ink);color:var(--atr-ink);background:transparent}
.atr-btn--out:hover{background:var(--atr-ink);color:#fff}
.atr-btn--block{width:100%}
.atr-btn--lg{padding:1.1em 2.4em;font-size:1rem}

.atr-strip{background:var(--atr-ink);color:#E7E4E2;font-size:.79rem}
.atr-strip .atr-max{display:flex;justify-content:center;gap:clamp(.8rem,3vw,2.2rem);flex-wrap:wrap;padding:.55em 0;text-align:center}
.atr-strip strong{color:var(--atr-gold)}

.atr-nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--atr-line)}
.atr-nav .atr-max{display:flex;align-items:center;justify-content:space-between;padding:.85em 0}
.atr-logo{font-family:"Libre Franklin",sans-serif;font-weight:800;font-size:1.4rem;color:var(--atr-ink)}
.atr-logo span{color:var(--atr-red)}
.atr-links{display:flex;align-items:center;gap:clamp(1rem,2vw,1.8rem);flex-wrap:wrap}
.atr-links a{font-weight:600;font-size:.87rem;color:var(--atr-ink);position:relative;padding-bottom:.2em}
.atr-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--atr-red);transition:right .2s ease}
.atr-links a:hover::after{right:0}
.atr-links a:hover{color:var(--atr-red)}
.atr-navcta{display:flex;align-items:center;gap:1rem}
.atr-burger{display:none;background:none;border:none;cursor:pointer;padding:.4em}
.atr-burger span{display:block;width:24px;height:2px;background:var(--atr-ink);margin:5px 0}

/* Hero — flexbox, not grid */
.atr-hero{padding:clamp(2rem,4vw,3.6rem) 0 clamp(2.4rem,5vw,4.2rem);background:linear-gradient(170deg,#fff 60%,var(--atr-bg-tint) 100%)}
.atr-hero .atr-max{display:flex;flex-wrap:wrap;gap:clamp(2rem,4vw,3.4rem);align-items:center}
.atr-hero-media{flex:1 1 380px;display:flex;flex-direction:column;align-items:center;gap:1.3rem}
.atr-hero-copy{flex:1 1 420px}
.atr-tagrow{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1em}
.atr-chip{display:inline-flex;align-items:center;gap:.4em;background:#fff;border:1px solid var(--atr-line);padding:.4em .95em;font-size:.74rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--atr-ink)}
.atr-hero h1 em{color:var(--atr-red);font-style:normal}
.atr-qa{background:#fff;border:1px solid var(--atr-line);border-left:4px solid var(--atr-red);padding:1.25em 1.4em;margin:1.1em 0}
.atr-qa strong{display:block;font-family:"Libre Franklin",sans-serif;font-size:.78rem;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:.4em;color:var(--atr-ink)}
.atr-facts{display:flex;flex-wrap:wrap;gap:.5rem;margin:1em 0}
.atr-facts li{background:var(--atr-bg-soft);border:1px solid var(--atr-line);padding:.42em .95em;font-size:.8rem;font-weight:600}
.atr-check{display:flex;flex-direction:column;gap:.5em;margin:1em 0}
.atr-check li{display:flex;gap:.6em;align-items:flex-start;font-size:.96rem;color:var(--atr-ink)}
.atr-check li::before{content:"—";flex:0 0 auto;color:var(--atr-red);font-weight:800}
.atr-herobtn{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.2em}
.atr-trust{margin-top:1em;font-size:.8rem}

.atr-bottlebox{position:relative;width:min(290px,76%)}
.atr-bottlebox img{position:relative;z-index:2;filter:drop-shadow(0 20px 28px rgba(35,35,38,.24))}
.atr-underline{position:absolute;left:50%;bottom:-10px;transform:translateX(-50%);width:70%;height:3px;background:var(--atr-red);z-index:1;animation:atr-grow 3.4s ease-in-out infinite}
@keyframes atr-grow{0%,100%{width:20%;opacity:.4}50%{width:80%;opacity:1}}
@media (prefers-reduced-motion:reduce){.atr-underline{animation:none;width:70%}}

/* Flow strip below hero image */
.atr-flow{width:100%;background:#fff;border:1px solid var(--atr-line);padding:1.1em}
.atr-flow-h{font-family:"Libre Franklin",sans-serif;font-weight:700;font-size:.74rem;letter-spacing:1.2px;text-transform:uppercase;text-align:center;color:var(--atr-mute);margin-bottom:.8em}
.atr-flow-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between}
.atr-flow-n{flex:1 1 auto;text-align:center;min-width:60px}
.atr-flow-n b{display:flex;align-items:center;justify-content:center;width:34px;height:34px;margin:0 auto .35em;border:2px solid var(--atr-red);color:var(--atr-red-deep);font-family:"Libre Franklin",sans-serif;font-weight:800;border-radius:50%}
.atr-flow-n span{display:block;font-size:.7rem;font-weight:700;color:var(--atr-ink)}
.atr-flow-arrow{color:var(--atr-red);flex:0 0 auto}

/* Badges — flexbox wrap */
.atr-badges{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem)}
.atr-badge{flex:1 1 220px;text-align:center;padding:1.5em 1em;background:#fff;border:1px solid var(--atr-line)}
.atr-badge img{width:56px;height:56px;object-fit:contain;margin:0 auto .7em}
.atr-badge h3{font-size:.96rem;margin-bottom:.3em}
.atr-badge p{font-size:.84rem;margin:0}

.atr-split{display:flex;flex-wrap:wrap;gap:clamp(2rem,4vw,3.4rem);align-items:center}
.atr-split > *{flex:1 1 380px}
.atr-split img{border:1px solid var(--atr-line)}
.atr-note{background:var(--atr-bg-tint);border-left:4px solid var(--atr-gold);padding:1em 1.2em;font-size:.89rem;margin-top:1.1em}
.atr-note strong{color:var(--atr-ink)}

.atr-points{display:flex;flex-direction:column;gap:1.3rem}
.atr-points li{display:flex;gap:1rem}
.atr-points b{width:36px;height:36px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;border:2px solid var(--atr-ink);color:var(--atr-ink);font-family:"Libre Franklin",sans-serif;font-weight:800;border-radius:50%}
.atr-points h3{margin-bottom:.2em;font-size:1.05rem}
.atr-points p{margin:0;font-size:.92rem}

.atr-flowgrid{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem)}
.atr-flowcard{flex:1 1 250px;background:#fff;border:1px solid var(--atr-line);padding:1.7em 1.3em 1.4em;position:relative}
.atr-flowcard b{position:absolute;top:-14px;left:1.3em;width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--atr-red);color:#fff;font-family:"Libre Franklin",sans-serif;font-weight:800;font-size:.86rem}
.atr-flowcard h3{margin-top:.4em;font-size:1.02rem}
.atr-flowcard p{font-size:.87rem;margin:0}

.atr-revhead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.8rem}
.atr-agg{display:flex;align-items:center;gap:1rem;background:#fff;border:1px solid var(--atr-line);padding:.9em 1.3em}
.atr-agg b{font-family:"Libre Franklin",sans-serif;font-size:2.3rem;color:var(--atr-ink)}
.atr-stars{color:var(--atr-gold);letter-spacing:2px}
.atr-agg small{display:block;font-size:.77rem}
.atr-revgrid{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem)}
.atr-revcard{flex:1 1 280px;background:#fff;border:1px solid var(--atr-line);padding:1.5em}
.atr-revwho{display:flex;align-items:center;gap:.8em;margin-bottom:.7em}
.atr-revwho img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.atr-revwho strong{display:block;font-size:.92rem;color:var(--atr-ink)}
.atr-revwho small{font-size:.75rem}
.atr-revcard p{font-size:.89rem;font-style:italic;margin:0}

.atr-pricegrid{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem);align-items:stretch}
.atr-pricecard{flex:1 1 280px;position:relative;background:#fff;border:1.5px solid var(--atr-line);padding:2em 1.4em;text-align:center;display:flex;flex-direction:column}
.atr-pricecard--hot{border-color:var(--atr-red)}
.atr-flag{position:absolute;top:0;right:0;background:var(--atr-red);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:.4em .9em;font-family:"Libre Franklin",sans-serif}
.atr-pricecard img{width:100%;max-width:200px;margin:.6em auto 1em}
.atr-pricecard .atr-sup{font-size:.76rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--atr-mute)}
.atr-pricecard .atr-bn{font-family:"Libre Franklin",sans-serif;font-size:1.2rem;margin:.15em 0 .6em}
.atr-pp{font-family:"Libre Franklin",sans-serif;font-size:2.25rem;color:var(--atr-red-deep)}
.atr-pp span{font-size:.83rem;color:var(--atr-mute);font-family:"DM Sans",sans-serif}
.atr-pt{font-size:.8rem;margin:.3em 0 1.1em}
.atr-pt del{color:#C4BEBB;margin-right:.4em}
.atr-pricecard ul{margin:0 0 1.3em;text-align:left;display:flex;flex-direction:column;gap:.4em}
.atr-pricecard ul li{font-size:.83rem;display:flex;gap:.5em}
.atr-pricecard ul li::before{content:"—";color:var(--atr-red)}
.atr-pricecard .atr-btn{margin-top:auto}
.atr-pnote{text-align:center;font-size:.83rem;margin-top:1.8rem}

.atr-inggrid{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem)}
.atr-ingcard{flex:1 1 280px;background:#fff;border:1px solid var(--atr-line);padding:1.4em;display:flex;flex-direction:column}
.atr-ingno{font-family:"Libre Franklin",sans-serif;font-size:1.55rem;color:var(--atr-red);opacity:.5;margin-bottom:.1em}
.atr-ingcard h3{font-size:1rem;margin-bottom:.35em}
.atr-ingcard p{font-size:.85rem;margin:0 0 1em;flex:1}
.atr-ingcard a{font-size:.79rem;font-weight:700}

.atr-bengrid{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem)}
.atr-bencard{flex:1 1 280px;background:#fff;border:1px solid var(--atr-line);padding:1.5em}
.atr-benicon{width:42px;height:42px;background:var(--atr-bg-tint);color:var(--atr-red-deep);display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:.75em}
.atr-bencard h3{font-size:.98rem;margin-bottom:.3em}
.atr-bencard p{font-size:.85rem;margin:0}

.atr-guar{display:flex;flex-wrap:wrap;gap:clamp(1.5rem,3vw,2.8rem);align-items:center;background:var(--atr-bg-tint);padding:clamp(1.7rem,3vw,2.8rem)}
.atr-guar img{width:min(140px,36vw)}
.atr-guar > div{flex:1 1 320px}

.atr-faqwrap{max-width:800px;margin-inline:auto;display:flex;flex-direction:column;gap:.65rem}
.atr-faqit{background:#fff;border:1px solid var(--atr-line)}
.atr-faqq{width:100%;text-align:left;background:none;border:none;padding:1.05em 1.2em;font-weight:700;font-size:.96rem;color:var(--atr-ink);display:flex;justify-content:space-between;gap:1em;cursor:pointer;font-family:"Libre Franklin",sans-serif}
.atr-faqq::after{content:"+";font-size:1.35rem;color:var(--atr-red);transition:transform .25s}
.atr-faqit.is-open .atr-faqq::after{transform:rotate(45deg)}
.atr-faqa{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 1.2em}
.atr-faqit.is-open .atr-faqa{max-height:420px;padding:0 1.2em 1.1em}
.atr-faqa p{font-size:.9rem;margin:0}

.atr-srcs{display:flex;flex-direction:column;gap:.5rem;max-width:760px;margin-inline:auto}
.atr-srcs li{background:#fff;border:1px solid var(--atr-line);padding:.8em 1.1em;font-size:.87rem}

.atr-bloggrid{display:flex;flex-wrap:wrap;gap:clamp(1rem,2vw,1.6rem)}
.atr-blogcard{flex:1 1 280px;background:#fff;border:1px solid var(--atr-line);display:flex;flex-direction:column}
.atr-blogbody{padding:1.2em}
.atr-blogtag{font-family:"Libre Franklin",sans-serif;font-size:.7rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--atr-red)}
.atr-blogcard h3{font-size:.98rem;margin:.4em 0}
.atr-blogcard p{font-size:.84rem;margin:0}

.atr-final{position:relative;background:var(--atr-ink);padding:clamp(2.2rem,4vw,3.5rem);display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:space-between;color:#fff}
.atr-final h2{color:#fff}
.atr-final p{color:#D0CDCB;margin:0}
.atr-final-price{font-size:.87rem;color:#D0CDCB;text-align:right}
.atr-final-price b{display:block;font-family:"Libre Franklin",sans-serif;font-size:1.7rem;color:#fff}

.atr-foot{background:var(--atr-ink);color:#C2BFBC;padding:3.4rem 0 6.5rem}
.atr-foot .atr-max{display:flex;flex-wrap:wrap;gap:2rem}
.atr-foot .atr-max > *{flex:1 1 200px}
.atr-foot h4{color:#fff;font-family:"Libre Franklin",sans-serif;font-size:.82rem;letter-spacing:.8px;text-transform:uppercase;margin-bottom:.9em}
.atr-foot a{color:#C2BFBC;font-size:.86rem;display:block;margin-bottom:.55em}
.atr-foot a:hover{color:#fff}
.atr-flogo{font-family:"Libre Franklin",sans-serif;font-weight:800;font-size:1.3rem;color:#fff;margin-bottom:.6em}
.atr-flogo span{color:var(--atr-red)}
.atr-foot p{font-size:.8rem;color:#928F8C}
.atr-legal{border-top:1px solid rgba(255,255,255,.1);margin-top:2.4rem;padding-top:1.5rem;font-size:.74rem;color:#8A8785;line-height:1.7}

.atr-sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--atr-line);box-shadow:0 -8px 20px rgba(0,0,0,.08);padding:.6em 0}
.atr-sticky .atr-max{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.atr-sinfo strong{display:block;font-size:.9rem;color:var(--atr-ink)}
.atr-sinfo span{font-size:.75rem}

.atr-crumb{font-size:.78rem;padding:1em 0}
.atr-crumb a{color:var(--atr-mute);font-weight:600}
.atr-crumb a:hover{color:var(--atr-red)}

.atr-phead{background:var(--atr-bg-soft);padding:clamp(2rem,4vw,3rem) 0;text-align:center}
.atr-phead p{max-width:680px;margin-inline:auto}

.atr-artbody h2{margin-top:1.3em;font-size:1.35rem}
.atr-artbody h3{margin-top:1.1em}
.atr-artbody p{font-size:1rem}
.atr-relgrid{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1rem}
.atr-relgrid a{flex:1 1 200px;background:#fff;border:1px solid var(--atr-line);padding:1em;font-weight:700;font-size:.85rem;color:var(--atr-ink)}
.atr-relgrid a:hover{border-color:var(--atr-red)}

.atr-c{text-align:center}
.atr-mt{margin-top:2rem}

@media (max-width:860px){
  .atr-links{display:none}
  .atr-burger{display:block}
  .atr-guar{text-align:center;justify-content:center}
  .atr-final{justify-content:center;text-align:center}
  .atr-final-price{text-align:center}
}
@media (max-width:640px){
  .atr-strip .atr-max{font-size:.72rem}
  .atr-flow-row{gap:.6rem}
  .atr-badge,.atr-revcard,.atr-pricecard,.atr-ingcard,.atr-bencard,.atr-blogcard,.atr-flowcard{flex:1 1 100%}
}
.atr-links.is-open{display:flex;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem var(--atr-max,6vw);border-bottom:1px solid var(--atr-line);box-shadow:var(--atr-shadow)}