/* ============================================================
   Cholestoff — clinical / heart-health theme
   Palette: deep pharmaceutical navy + fresh plant green + white.
   Typography: crisp geometric sans. Editorial, trustworthy, NOT athletic.
   Mobile-first (320px+). RTL-safe via html[lang^="ar"]{direction:rtl}.
   ============================================================ */

:root{
  --navy:#0f2540;
  --navy-2:#16345a;
  --ink:#1b2a3a;
  --muted:#5c6b7c;
  --green:#1f6d4f;
  --green-2:#2e9e6b;
  --green-soft:#e8f4ee;
  --mint:#f4faf7;
  --white:#ffffff;
  --line:#e2e9e3;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,37,64,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
/* RTL: flip document flow + text alignment for Arabic markets */
html[lang^="ar"]{direction:rtl}
html[lang^="ar"] body{text-align:right}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Noto Sans Arabic",sans-serif;
  color:var(--ink);background:var(--white);line-height:1.6;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 1.25rem}

/* ---------- Buttons ---------- */
.cta-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:linear-gradient(135deg,var(--green),var(--green-2));
  color:#fff;font-weight:700;letter-spacing:.02em;padding:.85rem 1.6rem;
  border-radius:999px;border:0;cursor:pointer;white-space:nowrap;
  font-size:.98rem;box-shadow:0 6px 16px rgba(46,158,107,.28);
  transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(46,158,107,.35);filter:brightness(1.04)}
.cta-btn svg{width:1.05em;height:1.05em;fill:currentColor}

/* ---------- Header ---------- */
.site-header{
  background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;
  box-shadow:0 2px 14px rgba(15,37,64,.25);
}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{font-weight:800;font-size:1.18rem;letter-spacing:.02em;color:#fff;display:flex;align-items:center;gap:.5rem}
.brand::before{
  content:"";width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, var(--green-2), var(--green));
  flex:none;
}
.nav{display:none;gap:.2rem;align-items:center}
.nav.open{display:flex}
.nav a{padding:.5rem .75rem;border-radius:8px;font-weight:600;font-size:.95rem;color:#dfe9f2;transition:color .15s,background .15s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav a.cta-btn{color:#fff;padding:.55rem 1.15rem;margin-left:.35rem;font-size:.9rem}
/* mobile hamburger (injected by main.js) */
.nav-toggle{
  display:inline-flex;background:transparent;border:1px solid rgba(255,255,255,.35);
  color:#fff;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:#fff;display:block}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#eaf4ef 0%,#f7fbf9 55%,#ffffff 100%);overflow:hidden}
.hero-in{display:grid;grid-template-columns:1fr;gap:2rem;padding:3rem 1.25rem 3.5rem}
.hero .eyebrow{
  display:inline-block;background:var(--mint);color:var(--green);border:1px solid #cfe9dc;
  padding:.32rem .8rem;border-radius:999px;font-size:.78rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:1rem;
}
.hero-copy{position:relative;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(1.85rem,5.5vw,3rem);line-height:1.12;color:var(--navy);font-weight:800;letter-spacing:-.01em}
.hero .lead{margin-top:1rem;color:var(--muted);font-size:clamp(1rem,2.6vw,1.12rem);max-width:44ch}
.hero .hot{
  margin-top:1.1rem;display:inline-block;background:#fff;border:1px dashed var(--green-2);
  color:var(--green);font-weight:600;font-size:.92rem;padding:.6rem 1rem;border-radius:10px;
}
.hero-actions{margin-top:1.4rem}
.trust-row{margin-top:1.4rem;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem}
.trust-row span{display:inline-flex;align-items:center;gap:.55rem;font-size:.9rem;font-weight:600;color:var(--ink)}
.trust-row svg{width:1.05em;height:1.05em;color:var(--green-2);fill:currentColor}
.hero-visual{display:flex;align-items:center;justify-content:center}
.hero-visual svg{width:min(300px,80vw);height:auto;filter:drop-shadow(0 16px 26px rgba(31,109,79,.20))}

/* ---------- Section shell ---------- */
section{padding:3.25rem 0}
.sec-head{max-width:720px;margin:0 auto 2.2rem;text-align:center}
.sec-head .kicker{
  display:inline-block;color:var(--green-2);font-weight:700;font-size:.8rem;
  letter-spacing:.13em;text-transform:uppercase;margin-bottom:.6rem;
}
.sec-head h2{font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.18;color:var(--navy);font-weight:800}
.sec-head p{margin-top:.7rem;color:var(--muted)}
.sec-head h1{font-size:clamp(1.6rem,4.5vw,2.2rem);color:var(--navy);font-weight:800}

/* ---------- Benefits ---------- */
section#benefits{background:var(--mint)}
.ben-grid{display:grid;grid-template-columns:1fr;gap:1.1rem}
.ben-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;
  border-top:3px solid var(--green-2);
}
.ben-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(15,37,64,.14)}
.ben-card .ic{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green);margin-bottom:.9rem;
}
.ben-card .ic svg{width:40%;height:40%;fill:currentColor}
.ben-card h3{font-size:1.06rem;color:var(--navy);font-weight:700;margin-bottom:.4rem}
.ben-card p{color:var(--muted);font-size:.95rem}

/* ---------- How to use ---------- */
section#how{background:#fff}
.how-grid{display:grid;grid-template-columns:1fr;gap:1.2rem;max-width:820px;margin:0 auto}
.step{display:flex;gap:1rem;align-items:flex-start;background:var(--mint);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.step .num{
  flex:none;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--navy);color:#fff;font-weight:800;font-size:1.05rem;
}
.step h3{color:var(--navy);font-weight:700;font-size:1.05rem}
.step p{color:var(--muted);font-size:.95rem;margin-top:.15rem}

/* ---------- Ingredients ---------- */
section#ingredients{background:var(--mint)}
.ing-grid{display:grid;grid-template-columns:1fr;gap:1rem}
.ing-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--green-2);
  border-radius:10px;padding:1.25rem;
}
html[lang^="ar"] .ing-card{border-left:1px solid var(--line);border-right:4px solid var(--green-2)}
.ing-card h3{color:var(--green);font-weight:700;font-size:1.03rem;margin-bottom:.35rem}
.ing-card p{color:var(--muted);font-size:.94rem}

/* ---------- About split ---------- */
section#about{background:var(--navy);color:#fff}
.split{display:grid;grid-template-columns:1fr;gap:1.6rem;align-items:center}
.checklist{list-style:none;display:grid;gap:.9rem;margin-top:1.2rem}
.checklist li{
  display:flex;align-items:center;gap:.7rem;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:.9rem 1rem;
  font-weight:600;color:#eaf2ee;
}
.checklist li svg{width:1.1em;height:1.1em;color:var(--green-2);fill:currentColor;flex:none}
.split .cta-btn{margin-top:1.5rem}
/* note: about uses .sec-head too; make it light on navy */
section#about .sec-head h2{color:#fff}
section#about .sec-head p{color:#c6d4cf}
section#about .sec-head .kicker{color:var(--green-2)}

/* ---------- Quote ---------- */
.quote{background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;text-align:center}
.quote .wrap{max-width:760px}
.quote h2{font-size:clamp(1.5rem,4vw,2.1rem);font-weight:800}
.quote p{margin-top:.8rem;color:#eaf6f0;font-size:1.05rem}
.quote .cta-btn{margin-top:1.4rem;background:#fff;color:var(--green);box-shadow:0 6px 16px rgba(0,0,0,.18)}
.quote .cta-btn:hover{filter:none;background:#f2fbf7}

/* ---------- FAQ ---------- */
section#faq{background:#fff}
.faq-box{max-width:820px;margin:0 auto;display:grid;gap:.7rem}
.faq-box details{
  background:var(--mint);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .15s;
}
.faq-box details[open]{box-shadow:var(--shadow)}
.faq-box summary{
  cursor:pointer;list-style:none;padding:1.05rem 1.2rem;font-weight:700;color:var(--navy);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.faq-box summary::-webkit-details-marker{display:none}
.faq-box summary::after{
  content:"+";font-size:1.4rem;font-weight:400;color:var(--green-2);line-height:1;flex:none;transition:transform .15s;
}
.faq-box details[open] summary::after{transform:rotate(45deg)}
.faq-box .a{padding:0 1.2rem 1.1rem;color:var(--muted);font-size:.96rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--green) 130%);color:#fff;text-align:center}
.cta-band .wrap{max-width:700px}
.cta-band h2{font-size:clamp(1.55rem,4vw,2.2rem);font-weight:800}
.cta-band p{margin-top:.8rem;color:#d8e5ee;font-size:1.05rem}
.cta-band .cta-btn{margin-top:1.5rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#b9c8d4;padding:2.5rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1fr;gap:1.8rem;margin-top:1.6rem}
.site-footer h4{color:#fff;font-weight:700;font-size:.95rem;letter-spacing:.02em;margin-bottom:.7rem}
.site-footer p{font-size:.9rem;color:#9fb3c3}
.site-footer ul{list-style:none;display:grid;gap:.4rem}
.site-footer ul li a{color:#b9c8d4;font-size:.92rem;transition:color .15s}
.site-footer ul li a:hover{color:var(--green-2)}
.footer-bot{
  margin-top:2rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;align-items:center;justify-content:space-between;
  font-size:.85rem;color:#8fa6b6;
}

/* ---------- Language block ---------- */
.lang-block{display:grid;gap:.5rem}
.lang-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:#8fa6b6;font-weight:700}
.lang-list{display:flex;flex-wrap:wrap;gap:.4rem}
.lang-link{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#e6eef3;
  border-radius:8px;padding:.35rem .7rem;font-size:.9rem;transition:background .15s,border .15s;font-weight:600;
}
.lang-link:hover{background:rgba(255,255,255,.14)}
.lang-link.active{background:var(--green-2);border-color:var(--green-2);color:#fff}

/* ---------- Sub pages (.simple) ---------- */
.simple{background:#fff}
.simple .wrap{max-width:800px}
.simple .sec-head{text-align:left}
html[lang^="ar"] .simple .sec-head{text-align:right}
.simple .sec-head p{color:var(--muted);margin-top:1rem;font-size:.97rem}
.simple .sec-head h1{margin-bottom:1.2rem}
.simple .sec-head {padding-bottom:1rem}
.simple .how-grid{margin:1rem auto 1.4rem}
.tip{
  background:var(--green-soft);border:1px solid #cfe9dc;color:var(--green);
  border-radius:10px;padding:.9rem 1.1rem;font-size:.92rem;margin-top:1.2rem;
}
.cta-wrapper{margin:1.6rem 0;text-align:center}
.simple .faq-box{margin-top:1.2rem}

/* ---------- Responsive ---------- */
@media (min-width:560px){
  .ben-grid{grid-template-columns:repeat(2,1fr)}
  .ing-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:900px){
  .ben-grid{grid-template-columns:repeat(3,1fr)}
  .ing-grid{grid-template-columns:repeat(3,1fr)}
  .hero-in{grid-template-columns:1.05fr .95fr;align-items:center;padding:4.5rem 1.25rem}
  .how-grid{grid-template-columns:repeat(3,1fr);gap:1.3rem}
  .step{flex-direction:column;text-align:left}
  html[lang^="ar"] .step{text-align:right}
  .split{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .nav{display:flex}
  .nav-toggle{display:none}
}