/* ==========================================================
   AL BURJ CHEMICALS — alburjchem.com
   Direction: industrial / water-treatment.
   Petrol blue (raw water) -> aqua (clarified), floc-amber accent.
   ========================================================== */

:root{
  --petrol-900:#08222A;
  --petrol-800:#0D343F;
  --petrol-700:#134A58;
  --petrol-600:#1B6274;
  --aqua-500:#3F9FB2;
  --aqua-400:#79C2CE;
  --aqua-100:#DCEFF2;
  --amber-500:#BF7433;
  --amber-600:#A05C24;
  --amber-100:#F5E4D2;
  --steel-300:#B4C0C5;
  --steel-400:#8D9CA3;
  --steel-600:#56656C;
  --paper-0:#FFFFFF;
  --paper-50:#F2F6F6;
  --paper-100:#E4EBEB;
  --ink-900:#0D1618;
  --wa-green:#25D366;

  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;

  --container:1160px;
  --r:4px;
  --r-lg:10px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
}
body{
  margin:0;font-family:var(--font-body);color:var(--ink-900);
  background:var(--paper-50);line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{font-family:var(--font-display);margin:0;line-height:1.12;font-weight:600;letter-spacing:-.015em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--aqua-500);outline-offset:3px;border-radius:2px;}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--amber-500);color:#fff;padding:12px 18px;z-index:200;}
.skip-link:focus{left:12px;top:12px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--amber-600);
  display:flex;align-items:center;gap:10px;margin:0 0 14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--amber-500);flex:none;}
.hero .eyebrow,.page-hero .eyebrow{color:var(--aqua-400);}
.hero .eyebrow::before,.page-hero .eyebrow::before{background:var(--aqua-500);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn--primary{background:var(--amber-500);color:#fff;}
.btn--primary:hover{background:var(--amber-600);}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn--ghost:hover{border-color:var(--aqua-400);color:var(--aqua-400);}
.btn--dark{background:var(--petrol-800);color:#fff;}
.btn--dark:hover{background:var(--petrol-700);}
.btn--wa{background:var(--wa-green);color:#062D14;}
.btn--wa:hover{background:#1FBE5B;}
.btn--sm{padding:9px 16px;font-size:.85rem;}
.btn svg{width:17px;height:17px;flex:none;}

/* ---------- nav ---------- */
.nav{background:var(--petrol-800);position:sticky;top:0;z-index:60;border-bottom:1px solid rgba(255,255,255,.08);}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:76px;}
.nav__brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:1.12rem;color:#fff;}
.nav__brand-mark{
  width:34px;height:34px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--aqua-500),var(--petrol-600));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--font-mono);font-weight:700;font-size:.92rem;
}
.nav__links{display:flex;align-items:center;gap:32px;}
.nav__links a{color:var(--steel-300);font-size:.93rem;font-weight:500;position:relative;padding:6px 0;transition:color .15s ease;}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:#fff;}
.nav__links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--amber-500);}
.nav__cta{display:flex;align-items:center;gap:14px;}
.nav__toggle{display:none;background:none;border:none;color:#fff;width:42px;height:42px;cursor:pointer;padding:0;}
.nav__toggle svg{width:23px;height:23px;margin:0 auto;}
@media (max-width:900px){
  .nav__links{
    position:fixed;top:76px;left:0;right:0;background:var(--petrol-800);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 22px;
    border-bottom:1px solid rgba(255,255,255,.08);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .nav__links a{width:100%;padding:13px 0;}
  .nav.is-open .nav__links{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav__toggle{display:block;}
  .nav__cta .btn{display:none;}
}

/* ---------- hero ---------- */
.hero{
  background:
    linear-gradient(105deg, rgba(9,32,39,.94) 0%, rgba(9,32,39,.75) 38%, rgba(9,32,39,.35) 68%, rgba(9,32,39,.15) 100%),
    url('/img/hero-plant.jpg?v=3') center/cover no-repeat;
  color:#fff;padding:92px 0 76px;position:relative;overflow:hidden;
}
@media (max-width:640px){
  .hero{
    background:
      linear-gradient(105deg, rgba(9,32,39,.94) 0%, rgba(9,32,39,.75) 38%, rgba(9,32,39,.35) 68%, rgba(9,32,39,.15) 100%),
      url('/img/hero-plant-mobile.jpg?v=1') center/cover no-repeat;
  }
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.15;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;
}
.hero__inner{position:relative;z-index:1;}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);max-width:17ch;color:#fff;}
.hero__sub{margin-top:22px;max-width:54ch;font-size:1.1rem;color:var(--steel-300);}
.hero__actions{display:flex;gap:13px;margin-top:34px;flex-wrap:wrap;}

.page-hero{background:var(--petrol-800);color:#fff;padding:64px 0 56px;}
.page-hero h1{font-size:clamp(2rem,4vw,2.9rem);color:#fff;max-width:20ch;}
.page-hero__sub{margin-top:16px;max-width:58ch;color:var(--steel-300);font-size:1.05rem;}

/* ---------- breadcrumbs ---------- */
.crumbs{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-400);margin-bottom:18px;}
.crumbs a:hover{color:var(--aqua-400);}
.crumbs span{margin:0 8px;opacity:.5;}

/* ---------- jar test signature ---------- */
.jartest{
  margin-top:54px;background:rgba(10,38,46,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);
  padding:26px 26px 20px;position:relative;z-index:1;
}
.jartest__row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:end;}
.jartest__stage{text-align:center;opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;}
.jartest__stage.is-visible{opacity:1;transform:translateY(0);}
.jartest__stage:nth-child(2){transition-delay:.15s;}
.jartest__stage:nth-child(3){transition-delay:.3s;}
.jartest__stage:nth-child(4){transition-delay:.45s;}
.jartest__stage svg{width:100%;height:auto;max-width:84px;margin:0 auto;}
.jartest__label{font-family:var(--font-mono);font-size:.67rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-400);margin-top:10px;}
.jartest__readout{
  margin-top:22px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.16);
  font-family:var(--font-mono);font-size:.76rem;color:var(--aqua-400);
  display:flex;flex-wrap:wrap;gap:6px 22px;
}
.jartest__readout b{color:var(--steel-400);font-weight:400;}
@media (max-width:600px){.jartest{padding:20px 16px 16px;}.jartest__label{font-size:.58rem;}}

/* ---------- sections ---------- */
.section{padding:84px 0;}
.section--tight{padding:60px 0;}
.section--alt{background:var(--paper-0);}
.section__head{max-width:660px;margin-bottom:44px;}
.section__head h2{font-size:clamp(1.65rem,3vw,2.25rem);}
.section__head p{margin-top:14px;color:var(--steel-600);font-size:1.05rem;}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--paper-100);border-bottom:1px solid var(--paper-100);background:var(--paper-0);}
.stats__item{padding:30px 20px;border-left:1px solid var(--paper-100);text-align:center;}
.stats__item:first-child{border-left:none;}
.stats__num{font-family:var(--font-display);font-size:2.1rem;font-weight:700;color:var(--petrol-800);line-height:1;}
.stats__label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-600);margin-top:8px;}
@media (max-width:760px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stats__item:nth-child(2n+1){border-left:none;}
  .stats__item:nth-child(-n+2){border-bottom:1px solid var(--paper-100);}
}

/* ---------- quality-control proof photos (homepage) ---------- */
.proof__grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:36px;}
.proof__card{margin:0;background:var(--paper-0);border:1px solid var(--paper-100);border-radius:var(--r-lg);overflow:hidden;}
.proof__card img{width:100%;height:280px;object-fit:cover;display:block;}
.proof__card figcaption{padding:20px 22px;font-size:.95rem;color:var(--steel-600);}
@media (max-width:760px){
  .proof__grid{grid-template-columns:1fr;}
}

/* ---------- cards / tiles ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{background:var(--paper-0);border:1px solid var(--paper-100);border-radius:var(--r-lg);padding:26px 22px;transition:border-color .2s ease,transform .2s ease;}
.card:hover{border-color:var(--aqua-500);transform:translateY(-3px);}
.card__index{font-family:var(--font-mono);font-size:.74rem;color:var(--amber-600);margin-bottom:14px;}
.card h3{font-size:1.06rem;margin-bottom:9px;}
.card p{color:var(--steel-600);font-size:.93rem;}
@media (max-width:960px){.cards{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.cards{grid-template-columns:1fr;}}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:880px){.grid-3{grid-template-columns:1fr 1fr;}.grid-2{grid-template-columns:1fr;}}
@media (max-width:600px){.grid-3{grid-template-columns:1fr;}}

.tile{background:var(--paper-0);border:1px solid var(--paper-100);border-radius:var(--r-lg);padding:24px;}
.tile__icon{width:40px;height:40px;border-radius:8px;background:var(--amber-100);color:var(--amber-600);display:flex;align-items:center;justify-content:center;margin-bottom:15px;}
.tile__icon svg{width:20px;height:20px;}
.tile h3,.tile h4{font-size:1rem;margin-bottom:8px;}
.tile p{color:var(--steel-600);font-size:.92rem;}
.tile a{color:var(--petrol-700);font-weight:500;}
.tile a:hover{color:var(--amber-600);}

/* ---------- pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--paper-100);border-radius:var(--r-lg);overflow:hidden;background:var(--paper-0);}
.pillar{padding:32px 26px;border-left:1px solid var(--paper-100);}
.pillar:first-child{border-left:none;}
.pillar__tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--aqua-500);margin-bottom:12px;display:block;}
.pillar h3{font-size:1.12rem;margin-bottom:10px;}
.pillar p{color:var(--steel-600);font-size:.95rem;}
@media (max-width:800px){
  .pillars{grid-template-columns:1fr;}
  .pillar{border-left:none;border-top:1px solid var(--paper-100);}
  .pillar:first-child{border-top:none;}
}

/* ---------- statement ---------- */
.statement{
  background:var(--petrol-800);color:#fff;border-radius:var(--r-lg);padding:46px;
  display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;
}
.statement p{font-family:var(--font-display);font-size:1.35rem;font-weight:500;line-height:1.4;max-width:48ch;}
.statement__meta{font-family:var(--font-mono);font-size:.76rem;color:var(--aqua-400);white-space:nowrap;line-height:1.7;}
@media (max-width:760px){.statement{grid-template-columns:1fr;padding:30px;}.statement p{font-size:1.15rem;}}

/* ---------- spec table ---------- */
.spec-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.spec-table{width:100%;border-collapse:collapse;background:var(--paper-0);border:1px solid var(--paper-100);border-radius:var(--r-lg);overflow:hidden;min-width:640px;}
.spec-table th,.spec-table td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--paper-100);font-size:.91rem;}
.spec-table th{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-600);background:var(--paper-50);}
.spec-table td:first-child{font-weight:600;color:var(--petrol-800);}
.spec-table td.mono{font-family:var(--font-mono);color:var(--petrol-700);}
.spec-table tr:last-child td{border-bottom:none;}
.spec-note{font-family:var(--font-mono);font-size:.76rem;color:var(--steel-600);margin-top:14px;}

/* ---------- FAQ accordion ---------- */
.faq{border:1px solid var(--paper-100);border-radius:var(--r-lg);overflow:hidden;background:var(--paper-0);}
.faq__item{border-top:1px solid var(--paper-100);}
.faq__item:first-child{border-top:none;}
.faq__q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  font-family:var(--font-display);font-size:1.02rem;font-weight:600;color:var(--ink-900);
  padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq__q:hover{color:var(--petrol-700);}
.faq__icon{flex:none;width:16px;height:16px;position:relative;}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--amber-500);border-radius:2px;transition:transform .2s ease;}
.faq__icon::before{top:7px;left:0;width:16px;height:2px;}
.faq__icon::after{left:7px;top:0;width:2px;height:16px;}
.faq__q[aria-expanded="true"] .faq__icon::after{transform:scaleY(0);}
.faq__a{display:none;padding:0 24px 22px;color:var(--steel-600);font-size:.96rem;max-width:70ch;}
.faq__a.is-open{display:block;}

/* ---------- regions ---------- */
.region-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.region-list__group{background:var(--paper-0);border:1px solid var(--paper-100);border-radius:var(--r-lg);padding:26px;}
.region-list__group h3{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--amber-600);margin-bottom:14px;}
.region-list__group li{padding:9px 0;border-bottom:1px solid var(--paper-100);font-size:.95rem;display:flex;align-items:center;gap:10px;}
.region-list__group li:last-child{border-bottom:none;}
.region-list__group li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aqua-500);flex:none;}
@media (max-width:700px){.region-list{grid-template-columns:1fr;}}

.map-frame{border:1px solid var(--paper-100);border-radius:var(--r-lg);overflow:hidden;height:340px;background:var(--paper-100);}
.map-frame iframe{width:100%;height:100%;border:0;display:block;}

.office-card{background:var(--petrol-800);color:#fff;border-radius:var(--r-lg);padding:28px;margin:0;}
.office-card dt{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--aqua-400);margin-top:18px;}
.office-card dt:first-child{margin-top:0;}
.office-card dd{margin:6px 0 0;font-size:.98rem;}
.office-card a:hover{color:var(--aqua-400);}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--petrol-900),var(--petrol-700));
  color:#fff;border-radius:var(--r-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-banner h2{font-size:1.65rem;max-width:22ch;}
.cta-banner p{color:var(--steel-300);margin-top:10px;max-width:42ch;}
.cta-banner__actions{display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:640px){.cta-banner{padding:32px 24px;}}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.form{background:var(--paper-0);border:1px solid var(--paper-100);border-radius:var(--r-lg);padding:32px;}
.field{margin-bottom:20px;}
.field label{display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--steel-600);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--paper-100);border-radius:var(--r);
  font-family:var(--font-body);font-size:.95rem;background:var(--paper-50);color:var(--ink-900);
  transition:border-color .15s ease,background .15s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--aqua-500);background:var(--paper-0);outline:none;}
.field textarea{resize:vertical;min-height:112px;}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:520px){.form__row{grid-template-columns:1fr;}}
.form__actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.form__status{margin-top:14px;font-family:var(--font-mono);font-size:.82rem;color:var(--petrol-700);display:none;}
.form__status.is-visible{display:block;}
.contact-side .tile{margin-bottom:14px;}
.contact-side .tile:last-child{margin-bottom:0;}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:80;
  width:56px;height:56px;border-radius:50%;
  background:var(--wa-green);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.22);
  transition:transform .18s ease;
}
.wa-float:hover{transform:scale(1.07);}
.wa-float svg{width:29px;height:29px;}
@media (max-width:600px){.wa-float{right:16px;bottom:16px;width:52px;height:52px;}}

/* ---------- footer ---------- */
.footer{background:var(--petrol-900);color:var(--steel-300);padding:60px 0 26px;}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-display);font-weight:700;font-size:1.05rem;margin-bottom:14px;}
.footer__brand .nav__brand-mark{width:30px;height:30px;font-size:.82rem;}
.footer p{font-size:.9rem;max-width:36ch;}
.footer h2{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;
  text-transform:uppercase;color:#fff;margin-bottom:15px;font-weight:500;
}
.footer li{margin-bottom:10px;font-size:.9rem;}
.footer a:hover{color:var(--aqua-400);}
.footer__social{display:flex;align-items:center;gap:9px;}
.footer__social svg{width:17px;height:17px;flex:none;}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:.82rem;flex-wrap:wrap;gap:10px;color:var(--steel-400);}
@media (max-width:880px){.footer__top{grid-template-columns:1fr 1fr;}}
@media (max-width:540px){.footer__top{grid-template-columns:1fr;}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}


/* ---------- v44: nav now has 7 items — switch to the drawer earlier ---------- */
/* The original breakpoint was 900px; at 1100px the link row was wrapping to two
   lines and overlapping the hero. Same drawer rules, raised breakpoint. */
@media (min-width:901px) and (max-width:1100px){
  .nav__links{
    position:fixed;top:76px;left:0;right:0;background:var(--petrol-800);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 22px;
    border-bottom:1px solid rgba(255,255,255,.08);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .nav__links a{width:100%;padding:13px 0;}
  .nav.is-open .nav__links{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav__toggle{display:block;}
  .nav__cta .btn{display:none;}
}
@media (min-width:1101px) and (max-width:1260px){
  .nav__links{gap:22px;}
  .nav__links a{font-size:.88rem;}
}

/* ---------- v44: Web3Forms submit states ---------- */
.form__status{
  margin-top:16px;font-family:var(--font-mono);font-size:.8rem;line-height:1.6;
  display:none;padding:12px 14px;border-radius:var(--r);border-left:3px solid transparent;
}
.form__status.is-visible{display:block;}
.form__status.is-working{background:var(--paper-50);border-left-color:var(--steel-400);color:var(--steel-600);}
.form__status.is-error{background:#FCEDE9;border-left-color:#C2452C;color:#8E2D1B;}
.form__status.is-info{background:var(--aqua-100);border-left-color:var(--aqua-500);color:var(--petrol-700);}
.form__status a{color:inherit;text-decoration:underline;text-underline-offset:2px;}

.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:#C2452C;background:#FCEDE9;
}
.field__err{
  display:none;margin-top:6px;font-family:var(--font-mono);font-size:.68rem;
  letter-spacing:.03em;color:#8E2D1B;
}
.field.has-error .field__err{display:block;}

.btn.is-loading{position:relative;pointer-events:none;opacity:.82;}
.btn.is-loading::after{
  content:"";width:14px;height:14px;margin-left:9px;border-radius:50%;
  border:2px solid currentColor;border-top-color:transparent;
  display:inline-block;vertical-align:-2px;animation:btn-spin .7s linear infinite;
}
@keyframes btn-spin{to{transform:rotate(360deg);}}
@media (prefers-reduced-motion:reduce){.btn.is-loading::after{animation-duration:2.4s;}}
.btn[disabled]{opacity:.55;pointer-events:none;}

/* Success panel replaces the form in place */
.form-success{
  background:var(--petrol-800);color:#fff;border-radius:var(--r-lg);
  padding:44px 38px;text-align:center;
  animation:fs-in .45s cubic-bezier(.2,.7,.3,1) both;
}
@keyframes fs-in{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){.form-success{animation:none;}}
.form-success__icon{
  width:58px;height:58px;margin:0 auto 20px;border-radius:50%;
  background:var(--wa-green);color:#fff;display:flex;align-items:center;justify-content:center;
}
.form-success__icon svg{width:28px;height:28px;}
.form-success h2{color:#fff;margin-bottom:12px;}
.form-success > p{color:var(--steel-300);max-width:44ch;margin:0 auto 26px;}
.form-success__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.btn--ghost-dark{border-color:rgba(255,255,255,.34);color:#fff;background:transparent;}
.btn--ghost-dark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);}
.form-success__note{
  margin-top:22px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.05em;
  text-transform:uppercase;color:var(--steel-400);
}
@media (max-width:520px){.form-success{padding:34px 22px;}}


/* ---------- v41: 5-column footer + SEO link columns ---------- */
.footer__top{grid-template-columns:1.4fr .8fr 1fr 1fr 1.1fr;}
@media (max-width:1080px){.footer__top{grid-template-columns:1fr 1fr 1fr;}}
@media (max-width:880px){.footer__top{grid-template-columns:1fr 1fr;}}
@media (max-width:540px){.footer__top{grid-template-columns:1fr;}}

/* ---------- v41: linked cards on guide + hub pages ---------- */
.tile h3 a{color:inherit;text-decoration:none;background-image:linear-gradient(var(--aqua-500),var(--aqua-500));
  background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .25s ease;}
.tile h3 a:hover,.tile h3 a:focus-visible{background-size:100% 2px;color:var(--petrol-700);}
.tile:has(h3 a){transition:transform .25s ease,box-shadow .25s ease;}
.tile:has(h3 a):hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(8,34,42,.10);}

/* ---------- v43: client result cards ---------- */
.cases{display:flex;flex-direction:column;gap:26px;}
.case{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.case:nth-child(even){direction:rtl;}
.case:nth-child(even) > *{direction:ltr;}
.case__media{position:relative;background:var(--petrol-800);min-height:260px;}
.case__media img{width:100%;height:100%;object-fit:cover;display:block;}
.case__body{padding:30px 32px;display:flex;flex-direction:column;gap:14px;}
.case__quote{
  font-family:var(--font-display);font-size:1.18rem;line-height:1.45;
  color:var(--petrol-900);margin:0;font-weight:500;
}
.case__who{font-size:.88rem;color:var(--steel-600);line-height:1.6;margin:0;}
.case__who b{color:var(--petrol-700);}
.case__metric{
  display:inline-flex;align-items:baseline;gap:10px;align-self:flex-start;
  background:var(--aqua-100);border-radius:var(--r);padding:9px 15px;
}
.case__metric span{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--petrol-700);}
.case__metric b{font-family:var(--font-display);font-size:1.15rem;color:var(--petrol-900);}
.case__note{
  font-size:.78rem;line-height:1.55;color:var(--amber-600);
  background:var(--amber-100);border-radius:var(--r);padding:10px 13px;margin:0;
}
@media (max-width:780px){
  .case,.case:nth-child(even){grid-template-columns:1fr;direction:ltr;}
  .case__media{min-height:200px;aspect-ratio:3/2;}
  .case__body{padding:24px 20px;}
  .case__quote{font-size:1.05rem;}
}

/* ---------- v43: six-column footer ---------- */
.footer__top{grid-template-columns:1.25fr .7fr 1fr 1fr 1fr 1fr;gap:30px;}
@media (max-width:1180px){.footer__top{grid-template-columns:repeat(3,1fr);}}
@media (max-width:820px){.footer__top{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.footer__top{grid-template-columns:1fr;}}

/* ---------- v42: jar test — mobile 2x2 + chemical formula fix ---------- */
/* The readout was display:flex, which turned every <sub> into its own flex item
   and blew 22px gaps through Al2O3. Facts are now spans; the formula is inline. */
.jartest__readout{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:baseline;}
.jartest__readout > span{display:inline;white-space:nowrap;}
.jartest__readout .chem{font-variant-ligatures:none;letter-spacing:0;}
.jartest__readout .chem sub{
  font-size:.72em;line-height:0;vertical-align:baseline;
  position:relative;bottom:-.22em;margin:0 .02em 0 -.02em;
}
@media (max-width:640px){
  .jartest__row{grid-template-columns:repeat(2,1fr);gap:22px 12px;}
  .jartest__stage svg{max-width:66px;}
  .jartest__stage:nth-child(3){transition-delay:.15s;}
  .jartest__stage:nth-child(4){transition-delay:.3s;}
  .jartest__readout{font-size:.7rem;gap:6px 14px;}
}
@media (max-width:380px){
  .jartest__stage svg{max-width:58px;}
  .jartest__label{font-size:.54rem;letter-spacing:.05em;}
}

/* ---------- v42: WhatsApp response-time note ---------- */
.wa-note{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--steel-400);
  display:inline-flex;align-items:flex-start;gap:8px;margin-top:14px;line-height:1.5;
}
.wa-note::before{
  content:"";width:7px;height:7px;border-radius:50%;flex:0 0 7px;margin-top:.42em;
  background:var(--wa-green);box-shadow:0 0 0 3px rgba(37,211,102,.18);
  animation:wa-pulse 2.4s ease-in-out infinite;
}
@keyframes wa-pulse{0%,100%{box-shadow:0 0 0 3px rgba(37,211,102,.18);}50%{box-shadow:0 0 0 6px rgba(37,211,102,.06);}}
@media (prefers-reduced-motion:reduce){.wa-note::before{animation:none;}}
.cta-banner .wa-note{color:rgba(255,255,255,.62);}

/* Hover label on the floating WhatsApp button */
.wa-float::after{
  content:"Response within 15 mins";
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(6px);
  background:var(--petrol-900);color:#fff;font-family:var(--font-mono);font-size:.66rem;
  letter-spacing:.05em;white-space:nowrap;padding:8px 12px;border-radius:var(--r);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;
}
.wa-float:hover::after,.wa-float:focus-visible::after{opacity:1;transform:translateY(-50%) translateX(0);}
@media (max-width:600px){.wa-float::after{display:none;}}

/* ---------- v41: two-column prose ---------- */
.prose-2col p{max-width:60ch;}
.prose-2col p + p{margin-top:1.15em;}
.prose-2col > div > p:first-child::first-line{font-weight:500;}