/* ===================================================================
   LEPTOZAN — Design tokens
   Palette:  --cream #FBFAF6 (page bg) · --white #FFFFFF (cards/strip)
             --aqua-100 #D4F1F2 (brand mineral tint) · --aqua-500 #6FAEB4 (mid)
             --aqua-700 #35747C (deep, text-on-light accents)
             --ink #1E2A2C (primary text) · --yellow #F4C430 (CTA) · --yellow-700 #C99A12 (hover)
             --sand #F1EAD9 (secondary panel, Dead-Sea shoreline)
   Type: display = "Fraunces" (serif, editorial) · body = "Inter" · data = "IBM Plex Mono"
=================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --cream:#FBFAF6;
  --white:#FFFFFF;
  --aqua-100:#D4F1F2;
  --aqua-200:#BFE7E9;
  --aqua-500:#6FAEB4;
  --aqua-700:#2F6B72;
  --aqua-900:#1E4A50;
  --ink:#1E2A2C;
  --ink-soft:#4A5A5C;
  --yellow:#F4C430;
  --yellow-700:#C99A12;
  --sand:#F1EAD9;
  --sand-line:#E3D8BF;
  --line:#E4E4DE;
  --radius:14px;
  --shadow:0 12px 30px -14px rgba(30,74,80,.22);
  --shadow-sm:0 4px 14px -8px rgba(30,74,80,.25);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:18px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{padding-left:0;}
h1,h2,h3,h4{
  font-family:'Fraunces',serif;
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--aqua-900);
}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--aqua-700);
  font-weight:600;
}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:860px;margin:0 auto;}

/* ---------- motion respect ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- top strip ---------- */
.top-strip{
  background:var(--white);
  border-bottom:1px solid var(--line);
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--aqua-700);
  text-align:center;
  padding:8px 12px;
}

/* ---------- header ---------- */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,246,.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;max-width:1180px;margin:0 auto;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-family:'Fraunces',serif;font-weight:700;font-size:24px;color:var(--aqua-900);
}
.logo .drop{
  width:14px;height:18px;border-radius:50% 50% 50% 0;
  background:linear-gradient(160deg,var(--aqua-500),var(--aqua-700));
  transform:rotate(-45deg);
}
nav.main-nav ul{
  display:flex;gap:30px;list-style:none;margin:0;
}
nav.main-nav a{
  font-weight:600;font-size:15px;color:var(--ink);
  position:relative;padding:4px 0;
}
nav.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--aqua-700);transition:width .25s ease;
}
nav.main-nav a:hover::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:18px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px;}
.hamburger span{width:24px;height:2px;background:var(--ink);display:block;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Inter',sans-serif;font-weight:700;font-size:15.5px;
  padding:15px 30px;border-radius:999px;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--yellow);color:#3A2C05;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{background:var(--yellow-700);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-header{padding:11px 22px;font-size:14.5px;}
.btn-outline{
  background:transparent;border:1.5px solid var(--aqua-700);color:var(--aqua-700);
  padding:13px 26px;
}
.btn-outline:hover{background:var(--aqua-100);}

/* ---------- hero / intro ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 40px;}
.hero-bg-wave{
  position:absolute;inset:0;z-index:-1;
  background:radial-gradient(1100px 480px at 78% -10%, var(--aqua-100) 0%, transparent 60%);
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.offer-line{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--aqua-900);color:#fff;
  font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;margin-bottom:16px;
  animation:pulseGlow 2.6s ease-in-out infinite;
}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(47,107,114,.35);}
  50%{box-shadow:0 0 0 8px rgba(47,107,114,0);}
}
.save-line{
  font-family:'Fraunces',serif;font-style:italic;font-weight:500;
  color:var(--aqua-700);font-size:19px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(42px,5.4vw,64px);
  letter-spacing:-.01em;
  margin-bottom:6px;
}
.hero h2{
  font-family:'Inter',sans-serif;font-weight:600;font-size:clamp(19px,2vw,23px);
  color:var(--ink-soft);margin-bottom:26px;max-width:52ch;
}
.hero-cta-row{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.social-proof-line{
  font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--aqua-700);
  border-left:2px solid var(--aqua-200);padding-left:10px;
}
.hero-media{position:relative;}
.hero-media .frame{
  position:relative;border-radius:28px;overflow:hidden;
  background:linear-gradient(160deg,var(--aqua-100),var(--sand));
  padding:26px;box-shadow:var(--shadow);
}
.hero-media img{border-radius:16px;width:100%;}
.mineral-badge{
  position:absolute;bottom:-18px;left:-18px;
  background:#fff;border-radius:16px;padding:14px 18px;box-shadow:var(--shadow-sm);
  display:flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;font-weight:600;color:var(--aqua-700);
  animation:float 4.5s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}

/* ---------- section shell ---------- */
section{padding:78px 0;}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center;}
.section-head h2{font-size:clamp(30px,3.4vw,42px);}
.divider-wave{
  width:100%;height:46px;
  background:
    radial-gradient(circle at 12px 0, transparent 12px, var(--aqua-100) 13px) top left/48px 24px repeat-x;
  opacity:.7;
}
.alt-bg{background:var(--sand);}
.aqua-bg{background:linear-gradient(180deg,var(--aqua-900),var(--aqua-700));color:#fff;}
.aqua-bg h2,.aqua-bg h3,.aqua-bg .eyebrow{color:#fff;}
.aqua-bg p{color:rgba(255,255,255,.85);}

/* ---------- quick overview ---------- */
.overview-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.overview-card{background:#fff;padding:26px 20px;text-align:center;transition:background .2s ease;}
.overview-card:hover{background:var(--aqua-100);}
.overview-card .num{font-family:'Fraunces',serif;font-size:15px;font-weight:600;color:var(--aqua-700);display:block;margin-bottom:6px;}
.overview-card p{margin:0;font-size:15px;color:var(--ink);}

/* ---------- two-col content blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.rev{direction:rtl;}
.split.rev>*{direction:ltr;}
.split img{border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.tag-pill{
  display:inline-block;background:var(--aqua-100);color:var(--aqua-700);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}

/* ---------- ingredient table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm);}
table{width:100%;border-collapse:collapse;background:#fff;min-width:640px;}
thead th{
  background:var(--aqua-900);color:#fff;text-align:left;
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;
  padding:16px 18px;
}
tbody td{padding:18px;border-bottom:1px solid var(--line);vertical-align:top;font-size:15.5px;color:var(--ink-soft);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:var(--aqua-100);}
tbody td strong{color:var(--ink);}

/* ---------- pros / cons ---------- */
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pc-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm);border-top:4px solid var(--aqua-500);}
.pc-card.cons{border-top-color:#D98C4A;}
.pc-card h3{font-size:21px;margin-bottom:18px;}
.pc-card ul{list-style:none;margin:0;}
.pc-card li{display:flex;gap:10px;margin-bottom:14px;font-size:15.5px;color:var(--ink-soft);}
.pc-card li::before{content:'✓';color:var(--aqua-700);font-weight:700;flex:none;}
.pc-card.cons li::before{content:'–';color:#B76A2E;font-weight:700;}

/* ---------- cards grid (why choose / bonuses) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.feature-card .icon{
  width:48px;height:48px;border-radius:12px;background:var(--aqua-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-family:'Fraunces',serif;font-weight:700;color:var(--aqua-700);
}
.feature-card h3{font-size:19px;margin-bottom:8px;}
.feature-card p{font-size:15.5px;margin:0;}

/* ---------- pricing ---------- */
.pricing-media{max-width:720px;margin:0 auto;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.pricing-media a{display:block;}
.pricing-media img{transition:transform .3s ease;}
.pricing-media a:hover img{transform:scale(1.015);}
.guarantee-strip{
  display:flex;align-items:center;gap:16px;justify-content:center;
  margin-top:34px;padding:20px;background:var(--aqua-100);border-radius:var(--radius);
}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease;}
.review-card:hover{transform:translateY(-5px);}
.review-note{font-size:13px;text-align:center;color:var(--ink-soft);margin-top:18px;}

/* ---------- comparison table ---------- */
.compare-table td.yes{color:var(--aqua-700);font-weight:700;}
.compare-table td.no{color:#A9A69A;}

/* ---------- accordion / FAQ ---------- */
.accordion{max-width:840px;margin:0 auto;}
.acc-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden;}
.acc-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:20px 24px;font-family:'Fraunces',serif;font-weight:600;font-size:17px;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.acc-q .plus{font-size:22px;color:var(--aqua-700);transition:transform .25s ease;flex:none;}
.acc-item.open .acc-q .plus{transform:rotate(45deg);}
.acc-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px;}
.acc-item.open .acc-a{max-height:400px;padding-bottom:20px;}
.acc-a p{margin:0;font-size:15.5px;}

/* ---------- references ---------- */
.ref-list{list-style:none;margin:0;padding:0;counter-reset:ref;}
.ref-list li{
  counter-increment:ref;position:relative;padding:16px 0 16px 44px;
  border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-soft);
}
.ref-list li::before{
  content:counter(ref);position:absolute;left:0;top:16px;
  width:26px;height:26px;border-radius:50%;background:var(--aqua-100);color:var(--aqua-700);
  font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.ref-list a{color:var(--aqua-700);font-weight:600;border-bottom:1px dotted var(--aqua-500);}

/* ---------- learn more strip ---------- */
.learn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.learn-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:border-color .2s ease, transform .2s ease;
}
.learn-card:hover{border-color:var(--aqua-500);transform:translateY(-4px);}
.learn-card .eyebrow{display:block;margin-bottom:10px;}
.learn-card h3{font-size:18px;margin-bottom:10px;}
.learn-card span.readmore{color:var(--aqua-700);font-weight:700;font-size:14px;}

/* ---------- footer ---------- */
footer{background:var(--aqua-900);color:rgba(255,255,255,.82);padding:56px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px;}
footer h4{color:#fff;font-family:'Inter',sans-serif;font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px;}
footer ul{list-style:none;margin:0;}
footer li{margin-bottom:10px;}
footer a{color:rgba(255,255,255,.75);font-size:14.5px;}
footer a:hover{color:#fff;}
.fda-box{
  border-top:1px solid rgba(255,255,255,.15);padding-top:28px;
  font-size:13px;line-height:1.75;color:rgba(255,255,255,.6);
}

/* ---------- back to top ---------- */
#backToTop{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:48px;height:48px;border-radius:50%;
  background:var(--yellow);color:#3A2C05;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;
  transition:opacity .3s ease, transform .3s ease;
}
#backToTop.show{opacity:1;pointer-events:auto;}
#backToTop:hover{transform:translateY(-4px);}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .split, .split.rev{grid-template-columns:1fr;direction:ltr;}
  .overview-grid{grid-template-columns:repeat(2,1fr);}
  .proscons{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;}
  .learn-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  nav.main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--cream);padding:30px 24px;
    transform:translateX(100%);transition:transform .3s ease;
    overflow-y:auto;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav ul{flex-direction:column;gap:22px;}
  .hamburger{display:flex;}
  .btn-header{display:none;}
  .overview-grid{grid-template-columns:1fr 1fr;}
  .card-grid{grid-template-columns:1fr;}
  section{padding:56px 0;}
}
@media (max-width:480px){
  body{font-size:16.5px;}
  .overview-grid{grid-template-columns:1fr;}
}