:root{
  --teal-deep:#0f6e73;
  --teal-mid:#1c8f95;
  --aqua-light:#d4f1f2;
  --cream:#fbfaf6;
  --gold:#f4b400;
  --ink:#26302f;
  --ink-soft:#5b6564;
  --white:#ffffff;
  --shadow-sm:0 8px 20px rgba(15,110,115,.12);
  --shadow-lg:0 24px 50px rgba(15,110,115,.18);
  --radius:16px;
}

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  line-height:1.7;
  font-size:17px;
}
h1,h2,h3,h4{font-family:'Fraunces',serif;color:var(--teal-deep);margin:0 0 .4em;}
p{margin:0 0 1.1em;color:var(--ink);}
a{color:var(--teal-deep);}
img{max-width:100%;display:block;}
ul{margin:0;}

.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px;}

/* Top strip */
.top-strip{
  background:var(--teal-deep);
  color:#eaf6f6;
  text-align:center;
  font-size:.85rem;
  padding:8px 16px;
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,250,246,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid #e3e0d6;
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-family:'Fraunces',serif;font-weight:700;font-size:1.4rem;
  color:var(--teal-deep);text-decoration:none;display:flex;align-items:center;gap:8px;
}
.logo .drop{
  width:14px;height:14px;border-radius:50% 50% 50% 0;
  background:linear-gradient(135deg,var(--gold),var(--teal-mid));
  transform:rotate(45deg);display:inline-block;
}
.main-nav ul{display:flex;gap:28px;list-style:none;padding:0;margin:0;}
.main-nav a{
  text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem;position:relative;
}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--gold);
  transition:width .25s ease;
}
.main-nav a:hover::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:14px;}
.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px;}
.hamburger span{width:22px;height:2px;background:var(--teal-deep);display:block;}

.btn{
  display:inline-block;padding:14px 30px;border-radius:40px;text-decoration:none;
  font-weight:700;font-size:1rem;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{
  background:var(--teal-deep);color:#fff;box-shadow:0 10px 24px rgba(15,110,115,.3);
}
.btn-primary:hover{background:var(--teal-mid);transform:translateY(-3px);box-shadow:0 14px 30px rgba(15,110,115,.4);}
.btn-header{padding:10px 22px;font-size:.9rem;background:var(--gold);color:#2a2100;box-shadow:none;}
.btn-header:hover{background:#ffcd33;box-shadow:0 8px 18px rgba(244,180,0,.4);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:70px 0 50px;}
.hero-bg-wave{
  position:absolute;top:-120px;right:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, var(--aqua-light) 0%, transparent 70%);
  z-index:0;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;
}
.hero-copy h1{font-size:3.2rem;line-height:1.08;}
.hero-copy h2{font-family:'Fraunces',serif;font-weight:500;font-size:1.3rem;color:var(--ink);margin-bottom:26px;max-width:46ch;}
.hero-cta-row{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.offer-line{
  display:inline-block;background:linear-gradient(90deg,var(--gold),#ffd65c);color:#2a2100;
  padding:8px 18px;border-radius:30px;font-weight:700;font-size:.85rem;
  box-shadow:0 6px 16px rgba(244,180,0,.35);
}
.save-line{color:var(--teal-deep);font-weight:700;font-size:1rem;}
.social-proof-line{font-size:.85rem;color:var(--ink-soft);}

.hero-media{position:relative;}
.hero-media .frame{
  background:radial-gradient(circle at 35% 30%, var(--aqua-light), var(--white));
  border-radius:28px;padding:30px;box-shadow:var(--shadow-lg);
  transition:transform .4s ease;
}
.hero-media .frame:hover{transform:translateY(-8px) rotate(-1deg);}
.hero-media .frame img{border-radius:16px;}
.mineral-badge{
  position:absolute;bottom:14px;left:14px;background:#fff;color:var(--teal-deep);
  padding:8px 14px;border-radius:30px;font-size:.8rem;font-weight:700;box-shadow:var(--shadow-sm);
}

/* Reveal-on-scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* Sections */
section{padding:64px 0;}
.alt-bg{background:linear-gradient(180deg,var(--aqua-light) 0%, #eaf7f7 100%);}
.section-head{text-align:center;max-width:640px;margin:0 auto 36px;}
.eyebrow{
  display:inline-block;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;
  font-weight:700;color:var(--teal-mid);margin-bottom:8px;
}
.section-head p{color:var(--ink-soft);}

/* Overview */
.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.overview-card{
  background:#fff;border:1px solid #e3e0d6;border-radius:14px;padding:22px 18px;text-align:center;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.overview-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:var(--teal-mid);}
.overview-card .num{font-family:'Fraunces',serif;font-weight:700;color:var(--gold);display:block;margin-bottom:6px;}
.overview-card p{margin:0;font-size:.88rem;color:var(--ink-soft);}

/* Split layout */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;}
.split.rev{direction:rtl;}
.split.rev > *{direction:ltr;}
.split img{border-radius:18px;box-shadow:var(--shadow-lg);}
.tag-pill{
  display:inline-block;background:var(--aqua-light);color:var(--teal-deep);font-weight:700;
  font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;padding:6px 14px;border-radius:30px;margin-bottom:12px;
}

/* Feature / card grid */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feature-card{
  background:#fff;border:1px solid #e3e0d6;border-radius:16px;padding:26px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);}
.feature-card .icon{font-family:'Fraunces',serif;font-weight:700;color:var(--gold);font-size:1.4rem;margin-bottom:10px;}

/* Pricing */
.pricing-media{text-align:center;}
.pricing-media a{display:inline-block;transition:transform .25s ease;}
.pricing-media a:hover{transform:scale(1.015);}
.pricing-media img{border-radius:18px;box-shadow:var(--shadow-lg);}
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;font-size:.94rem;}
th,td{border:1px solid #e3e0d6;padding:13px 15px;text-align:left;vertical-align:top;}
th{background:var(--teal-deep);color:#fff;font-family:'Fraunces',serif;font-weight:600;}
tr:nth-child(even){background:#f2f8f8;}
tr:hover td{background:var(--aqua-light);}
.guarantee-strip{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #e3e0d6;
  border-radius:14px;padding:18px 22px;max-width:700px;margin:26px auto 0;
}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review-card{
  background:#fff;border-radius:16px;padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.review-card img{width:100%;border-radius:10px;margin-bottom:14px;}
.review-card p{font-style:italic;font-size:.94rem;margin:0;}
.review-note{text-align:center;font-size:.8rem;color:var(--ink-soft);margin-top:20px;}

/* Pros / cons */
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pc-card{background:#eafaf0;border:1px solid #b9e6c9;border-radius:16px;padding:26px;}
.pc-card.cons{background:#fff3f0;border-color:#f3c9c0;}
.pc-card h3{color:#1c7a45;}
.pc-card.cons h3{color:#b23a2b;}
.pc-card ul{padding-left:20px;margin:0;}
.pc-card li{margin-bottom:10px;color:var(--ink);}

/* Compare table */
.compare-table td.yes{color:#1c7a45;font-weight:700;}
.compare-table td.no{color:var(--ink-soft);}

/* References */
.ref-list{list-style:none;padding:0;}
.ref-list li{
  background:#fff;border:1px solid #e3e0d6;border-radius:10px;padding:14px 18px;
  margin-bottom:12px;font-size:.9rem;color:var(--ink-soft);
}
.ref-list a{font-weight:600;}

/* FAQ accordion */
.accordion{max-width:820px;margin:0 auto;}
.acc-item{background:#fff;border:1px solid #e3e0d6;border-radius:12px;margin-bottom:12px;overflow:hidden;}
.acc-q{
  width:100%;text-align:left;background:none;border:none;padding:16px 20px;font-weight:600;
  font-size:1rem;color:var(--teal-deep);cursor:pointer;display:flex;justify-content:space-between;align-items:center;
}
.acc-q .plus{font-size:1.3rem;color:var(--gold);transition:transform .25s ease;}
.acc-item.open .acc-q .plus{transform:rotate(45deg);}
.acc-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px;}
.acc-item.open .acc-a{max-height:400px;padding:0 20px 18px;}
.acc-a p{margin:0;color:var(--ink-soft);}

/* Learn more */
.learn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.learn-card{
  background:#fff;border:1px solid #e3e0d6;border-radius:16px;padding:24px;text-decoration:none;color:var(--ink);
  display:block;transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.learn-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:var(--teal-mid);}
.learn-card h3{font-size:1.05rem;margin:6px 0 8px;}
.learn-card p{font-size:.9rem;color:var(--ink-soft);}
.readmore{color:var(--teal-deep);font-weight:700;font-size:.85rem;}

/* Footer */
footer{background:var(--teal-deep);color:#eaf6f6;padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px;}
footer h4{color:#fff;font-family:'Fraunces',serif;font-size:1rem;margin-bottom:12px;}
footer ul{list-style:none;padding:0;margin:0;}
footer li{margin-bottom:8px;}
footer a{color:#d4f1f2;text-decoration:none;font-size:.9rem;}
footer a:hover{text-decoration:underline;}
.fda-box{
  border-top:1px solid rgba(255,255,255,.2);padding-top:22px;font-size:.82rem;
  color:rgba(255,255,255,.75);line-height:1.6;
}

/* Back to top */
#backToTop{
  position:fixed;bottom:26px;right:26px;background:var(--gold);color:#2a2100;border:none;
  width:48px;height:48px;border-radius:50%;font-size:1.3rem;cursor:pointer;display:none;
  box-shadow:0 8px 20px rgba(0,0,0,.22);transition:transform .2s ease;z-index:90;
}
#backToTop:hover{transform:translateY(-4px);}
#backToTop.show{display:block;}

/* Responsive */
@media(max-width:960px){
  .hero-grid,.split,.split.rev,.proscons{grid-template-columns:1fr;}
  .split.rev{direction:ltr;}
  .overview-grid,.card-grid,.review-grid,.learn-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .main-nav{display:none;}
  .main-nav.mobile-open{
    display:block;position:absolute;top:100%;left:0;right:0;background:#fff;
    border-bottom:1px solid #e3e0d6;box-shadow:var(--shadow-sm);
  }
  .main-nav.mobile-open ul{flex-direction:column;gap:0;padding:10px 24px;}
  .main-nav.mobile-open li{padding:12px 0;border-bottom:1px solid #eee;}
  .hamburger{display:flex;}
}
@media(max-width:600px){
  .hero-copy h1{font-size:2.2rem;}
  .overview-grid,.card-grid,.review-grid,.learn-grid,.footer-grid{grid-template-columns:1fr;}
}