/* ===================================================================
   EREXAFIL — custom design system
   Palette: deep navy #1a2332 | bronze/gold #c9a227 | ivory #faf7f2
            warm gray #6b6459 | line #e8e0d2
   Display: 'Cormorant Garamond' (refined serif, mature authority)
   Body:    'Karla' (clean warm sans)
   Signature: three pillars (Performance / Energy / Circulation)
=================================================================== */

:root{
  --navy:#1a2332;
  --navy-2:#242f42;
  --gold:#c9a227;
  --gold-dark:#a3831c;
  --ivory:#faf7f2;
  --warmgray:#6b6459;
  --line:#e8e0d2;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Karla',sans-serif;
  color:var(--navy);
  background:var(--ivory);
  margin:0;
  font-size:17px;
  line-height:1.68;
}
h1,h2,h3,h4,.ex-display{
  font-family:'Cormorant Garamond',serif;
  font-weight:600;
  line-height:1.15;
  color:var(--navy);
}
.ex-eyebrow{
  font-family:'Karla',sans-serif;
  text-transform:uppercase;
  letter-spacing:3px;
  font-weight:700;
  font-size:.78rem;
  color:var(--gold-dark);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
.container{max-width:1160px;margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn-ex{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--gold);
  color:var(--navy);
  font-weight:700;
  font-size:1.02rem;
  padding:15px 32px;
  border-radius:4px;
  border:none;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
  box-shadow:0 10px 24px rgba(201,162,39,.32);
}
.btn-ex:hover{background:var(--gold-dark);transform:translateY(-2px);color:#fff;}
.btn-ex-outline{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;
  border:2px solid rgba(255,255,255,.5);
  color:#fff;
  font-weight:700;font-size:.98rem;
  padding:13px 28px;border-radius:4px;transition:all .15s ease;
}
.btn-ex-outline:hover{background:#fff;color:var(--navy);border-color:#fff;}

/* ---------- Navbar ---------- */
.ex-nav{
  position:sticky;top:0;z-index:1000;
  background:var(--navy);
  padding:16px 0;
}
.ex-nav .container{display:flex;align-items:center;justify-content:space-between;}
.ex-logo{
  font-family:'Cormorant Garamond',serif;
  font-weight:700;
  color:#fff;
  font-size:1.7rem;
  letter-spacing:.5px;
}
.ex-logo span{color:var(--gold);}
.ex-nav-links{display:flex;gap:32px;list-style:none;margin:0;padding:0;align-items:center;}
.ex-nav-links a{color:#d3d7de;font-weight:600;font-size:.95rem;}
.ex-nav-links a:hover{color:var(--gold);}
.ex-nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.8rem;cursor:pointer;}

@media(max-width:900px){
  .ex-nav-links{
    position:absolute;top:100%;left:0;right:0;background:var(--navy);
    flex-direction:column;gap:0;border-top:1px solid rgba(255,255,255,.08);
    display:none;
  }
  .ex-nav-links.open{display:flex;}
  .ex-nav-links li{width:100%;border-bottom:1px solid rgba(255,255,255,.06);}
  .ex-nav-links a{display:block;padding:16px 24px;}
  .ex-nav-cta{display:none;}
  .ex-nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.ex-hero{
  background:radial-gradient(ellipse at 15% 0%, #2a3448 0%, var(--navy) 60%);
  color:#fff;
  padding:64px 0 60px;
}
.ex-hero-row{display:flex;align-items:center;gap:48px;flex-wrap:wrap;}
.ex-hero-copy{flex:1 1 440px;min-width:0;}
.ex-hero-copy h1{font-size:2.9rem;color:#fff;margin:16px 0 20px;}
.ex-hero-copy h1 em{font-style:italic;color:var(--gold);}
.ex-hero-copy p{color:#cfd3da;font-size:1.08rem;max-width:520px;}
.ex-hero-img{flex:1 1 300px;min-width:0;text-align:center;}
.ex-hero-img img{max-width:min(280px,100%);margin:0 auto;filter:drop-shadow(0 26px 36px rgba(0,0,0,.5));border-radius:8px;}
.ex-hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;}
.ex-rating-inline{display:flex;align-items:center;gap:12px;margin-top:28px;color:#cfd3da;font-weight:600;}
.ex-rating-inline .stars{color:var(--gold);letter-spacing:2px;font-size:1.2rem;}

/* three-pillars signature */
.ex-pillars{display:flex;justify-content:center;gap:0;margin-top:50px;}
.ex-pillar-col{flex:1;max-width:150px;text-align:center;position:relative;}
.ex-pillar-bar{
  width:14px;margin:0 auto;border-radius:6px 6px 0 0;
  background:linear-gradient(180deg,var(--gold) 0%,var(--gold-dark) 100%);
}
.ex-pillar-col:nth-child(1) .ex-pillar-bar{height:54px;}
.ex-pillar-col:nth-child(2) .ex-pillar-bar{height:78px;}
.ex-pillar-col:nth-child(3) .ex-pillar-bar{height:64px;}
.ex-pillar-base{height:5px;background:rgba(255,255,255,.15);margin-top:0;}
.ex-pillar-label{font-family:'Cormorant Garamond',serif;font-size:1.05rem;color:#fff;margin-top:12px;}
.ex-pillar-sub{color:#a7acb5;font-size:.78rem;margin-top:2px;}

/* ---------- Section shells ---------- */
.ex-section{padding:80px 0;}
.ex-section-tint{background:#f3ede1;}
.ex-section-dark{background:var(--navy);color:#dcdfe4;}
.ex-section-dark h2,.ex-section-dark h3{color:#fff;}
.ex-head{text-align:center;max-width:680px;margin:0 auto 48px;}
.ex-head h2{font-size:2.2rem;margin-top:10px;}

/* ---------- Trust badges ---------- */
.ex-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
@media(max-width:800px){.ex-badges{grid-template-columns:repeat(2,minmax(0,1fr));}}
.ex-badge-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px 18px;text-align:center;}
.ex-badge-card img{max-width:min(150px,100%);margin:0 auto 14px;}
.ex-badge-card p{font-weight:700;color:var(--navy);margin:0;font-size:1rem;}

/* ---------- Testimonials ---------- */
.ex-testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media(max-width:900px){.ex-testi-grid{grid-template-columns:1fr;}}
.ex-testi-card{background:#fff;border-radius:8px;padding:28px 24px;border:1px solid var(--line);}
.ex-testi-top{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.ex-testi-top img{width:54px;height:54px;border-radius:50%;object-fit:cover;}
.ex-testi-name{font-weight:700;color:var(--navy);}
.ex-testi-loc{color:var(--warmgray);font-size:.85rem;}
.ex-stars{color:var(--gold-dark);letter-spacing:2px;margin-bottom:8px;}
.ex-testi-card p{color:var(--warmgray);font-size:.94rem;margin:0;}

.ex-rating-strip{text-align:center;}
.ex-rating-strip img{max-width:min(320px,100%);margin:0 auto;}

/* ---------- About / How it works ---------- */
.ex-row{display:flex;align-items:center;gap:52px;flex-wrap:wrap;}
.ex-row.reverse{flex-direction:row-reverse;}
.ex-row-img{flex:1 1 260px;min-width:0;text-align:center;}
.ex-row-img img{max-width:min(230px,100%);margin:0 auto;border-radius:8px;}
.ex-row-copy{flex:1 1 440px;min-width:0;}
.ex-row-copy h2{font-size:2rem;margin-bottom:16px;}
.ex-row-copy p{color:var(--warmgray);}
.ex-section-dark .ex-row-copy p{color:#c7cbd2;}

/* ---------- Three pillars content section ---------- */
.ex-pillar-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
@media(max-width:900px){.ex-pillar-grid{grid-template-columns:1fr;}}
.ex-pillar-card{background:#fff;border-radius:10px;padding:30px 26px;border-top:4px solid var(--gold);}
.ex-pillar-card h4{font-size:1.4rem;margin:0 0 12px;}
.ex-pillar-card p{color:var(--warmgray);margin:0 0 14px;font-size:.96rem;}
.ex-pillar-card .ing-list{font-size:.85rem;color:var(--gold-dark);font-weight:700;letter-spacing:.3px;}

/* ---------- Ingredient cards ---------- */
.ex-ing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
@media(max-width:900px){.ex-ing-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:620px){.ex-ing-grid{grid-template-columns:1fr;}}
.ex-ing-card{background:#fff;border-radius:8px;padding:20px 20px;border:1px solid var(--line);}
.ex-ing-card h4{font-size:1.05rem;margin:0 0 8px;font-family:'Cormorant Garamond',serif;font-weight:700;}
.ex-ing-card p{margin:0;color:var(--warmgray);font-size:.9rem;}

/* ---------- Benefits ---------- */
.ex-benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media(max-width:900px){.ex-benefit-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:620px){.ex-benefit-grid{grid-template-columns:1fr;}}
.ex-benefit-card{background:#fff;border-radius:8px;padding:26px 22px;border:1px solid var(--line);}
.ex-benefit-card .mark{color:var(--gold-dark);font-weight:700;font-size:1.2rem;margin-right:6px;}
.ex-benefit-card h4{font-size:1.05rem;font-family:'Cormorant Garamond',serif;margin:8px 0 8px;}
.ex-benefit-card p{margin:0;color:var(--warmgray);font-size:.94rem;}

/* ---------- Pricing ---------- */
.ex-pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch;}
@media(max-width:900px){.ex-pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto;}}
.ex-price-card{
  background:#fff;border-radius:10px;
  padding:30px 24px;text-align:center;position:relative;display:flex;flex-direction:column;
  border:2px solid var(--line);
}
.ex-price-card.featured{
  border-color:var(--gold);
  box-shadow:0 22px 40px rgba(201,162,39,.18);
  transform:translateY(-8px);
}
@media(max-width:900px){.ex-price-card.featured{transform:none;}}
.ex-ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:var(--navy);font-weight:700;
  font-size:.76rem;letter-spacing:.5px;text-transform:uppercase;
  padding:6px 16px;border-radius:4px;white-space:nowrap;
}
.ex-ribbon.value{background:var(--navy);color:#fff;}
.ex-price-card img.bottle{max-width:min(140px,100%);margin:6px auto 14px;}
.ex-pack-title{font-family:'Cormorant Garamond',serif;font-weight:700;font-size:1.5rem;}
.ex-pack-sub{color:var(--warmgray);font-size:.9rem;margin-bottom:14px;}
.ex-perbottle{font-family:'Cormorant Garamond',serif;font-weight:700;font-size:2.5rem;color:var(--navy);line-height:1;}
.ex-perbottle span{font-family:'Karla',sans-serif;font-size:.9rem;font-weight:400;color:var(--warmgray);}
.ex-total{font-weight:700;margin:10px 0 2px;}
.ex-ship{font-size:.86rem;font-weight:700;margin-bottom:18px;color:var(--gold-dark);}
.ex-ship.paid{color:var(--warmgray);}
.ex-price-card .btn-ex{width:100%;justify-content:center;margin-top:auto;}
.ex-cards-img{max-width:min(190px,100%);margin:14px auto 0;opacity:.85;}

/* ---------- Stock warning ---------- */
.ex-warning{
  background:#fbf3e2;border:2px dashed var(--gold-dark);border-radius:8px;
  padding:18px 24px;text-align:center;color:#7a5f14;font-weight:700;
  font-size:1rem;
}

/* ---------- Guarantee ---------- */
.ex-guarantee{display:flex;align-items:center;gap:44px;flex-wrap:wrap;background:#fff;border-radius:10px;padding:40px;border:1px solid var(--line);}
.ex-guarantee img{max-width:min(180px,100%);margin:0 auto;}
.ex-guarantee-copy{flex:1 1 360px;}
.ex-guarantee-copy h3{font-size:1.8rem;margin-bottom:14px;}
.ex-guarantee-copy p{color:var(--warmgray);}

/* ---------- Final CTA ---------- */
.ex-final-cta{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);
  color:#fff;text-align:center;border-radius:14px;padding:56px 30px;
  border:1px solid rgba(201,162,39,.3);
}
.ex-final-cta h2{color:#fff;font-size:2.2rem;}
.ex-final-cta img{max-width:min(210px,100%);margin:24px auto;border-radius:8px;}
.ex-final-cta .old-price{text-decoration:line-through;opacity:.7;font-size:1.1rem;}
.ex-final-cta .new-price{font-family:'Cormorant Garamond',serif;font-weight:700;color:var(--gold);font-size:2.4rem;margin:6px 0 22px;}

/* ---------- FAQ ---------- */
.ex-faq-item{border-bottom:1px solid var(--line);}
.ex-faq-q{
  width:100%;text-align:left;background:none;border:none;padding:20px 4px;
  display:flex;justify-content:space-between;align-items:center;cursor:pointer;
  font-weight:700;font-size:1.12rem;color:var(--navy);font-family:'Cormorant Garamond',serif;
}
.ex-faq-q::after{content:'+';font-size:1.6rem;color:var(--gold-dark);transition:transform .2s;}
.ex-faq-item.open .ex-faq-q::after{transform:rotate(45deg);}
.ex-faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.ex-faq-a p{padding:0 4px 20px;margin:0;color:var(--warmgray);}

/* ---------- Footer ---------- */
.ex-footer{background:var(--navy);color:#a7acb5;padding:44px 0 30px;font-size:.9rem;}
.ex-footer a{color:#dcdfe4;}
.ex-footer a:hover{color:var(--gold);}
.ex-footer hr{border-color:rgba(255,255,255,.12);margin:26px 0;}

/* ---------- Sticky mobile order bar ---------- */
.ex-sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:var(--navy);padding:10px 16px;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 20px rgba(0,0,0,.3);border-top:2px solid var(--gold);
}
.ex-sticky-bar .price{color:#fff;line-height:1.2;}
.ex-sticky-bar .price b{color:var(--gold);font-size:1.1rem;font-family:'Cormorant Garamond',serif;}
.ex-sticky-bar .price small{display:block;color:#a7acb5;font-size:.72rem;}
@media(max-width:900px){.ex-sticky-bar{display:flex;}body{padding-bottom:70px;}}

.align-center{text-align:center;}