/* ============================================
   DentaBiome — Shared Stylesheet
   Primary #254A45 · Secondary #D8EFE8 · CTA #FFD400
   ============================================ */

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

:root{
  --primary:#254A45;
  --primary-light:#3C6B63;
  --primary-dark:#16302C;
  --secondary:#D8EFE8;
  --secondary-soft:#EEF8F5;
  --cta:#FFD400;
  --cta-dark:#E0B800;
  --ink:#12201D;
  --ink-soft:#4B615D;
  --line:#CFE4DF;
  --white:#FFFFFF;
  --cream:#FBFBF9;
  --radius:18px;
  --radius-sm:10px;
  --shadow:0 20px 40px -20px rgba(18,32,29,.25);
  --shadow-sm:0 8px 20px -10px rgba(18,32,29,.18);
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{
  font-family:'Fraunces',Georgia,serif;
  font-weight:600;
  line-height:1.12;
  color:var(--primary-dark);
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.2rem,4.6vw,3.6rem);}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);}
h3{font-size:1.3rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Inter',sans-serif;font-weight:700;font-size:.72rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--primary);
  background:var(--secondary-soft);border:1px solid var(--line);
  padding:7px 14px;border-radius:99px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cta);}

.lede{font-size:1.15rem;color:var(--ink-soft);max-width:640px;}
.section-copy{font-size:1.15rem;line-height:1.7;color:var(--ink-soft);}
.center{text-align:center;margin-left:auto;margin-right:auto;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Inter',sans-serif;font-weight:700;font-size:1rem;
  padding:16px 30px;border-radius:99px;border:none;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;
}
.btn-cta{
  background:var(--cta);color:var(--primary-dark);
  box-shadow:0 10px 24px -8px rgba(255,212,0,.55);
}
.btn-cta:hover{transform:translateY(-2px);background:var(--cta-dark);box-shadow:0 14px 28px -8px rgba(255,212,0,.65);}
.btn-outline{
  background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.5);
}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-outline-dark{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn-outline-dark:hover{background:var(--primary);color:var(--white);}
.btn-block{width:100%;}
.btn-sm{padding:11px 20px;font-size:.85rem;}

/* Top announcement bar */
.announce{
  background:var(--primary-dark);color:var(--secondary);
  text-align:center;font-size:.85rem;font-weight:600;padding:10px 16px;
  letter-spacing:.01em;
}
.announce strong{color:var(--cta);}

/* Nav */
header.site-nav{
  background:var(--primary);position:sticky;top:0;z-index:100;
  box-shadow:0 4px 20px -6px rgba(0,0,0,.18);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--maxw);margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:700;font-size:1.35rem;color:var(--white);}
.brand img{width:34px;height:34px;border-radius:8px;}
.nav-links{display:flex;gap:30px;align-items:center;}
.nav-links a{color:var(--secondary);font-size:.92rem;font-weight:500;transition:color .15s;}
.nav-links a:hover{color:var(--white);}
.nav-cta{margin-left:8px;}
.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.6rem;cursor:pointer;}

@media (max-width:880px){
  .nav-links{position:fixed;top:64px;left:0;right:0;background:var(--primary);flex-direction:column;
    padding:20px 24px 28px;gap:18px;transform:translateY(-130%);transition:transform .25s ease;
    box-shadow:0 12px 20px -10px rgba(0,0,0,.3);}
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:block;}
}

/* Sections */
section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-secondary{background:var(--secondary-soft);}
.section-primary{background:var(--primary);color:var(--white);}
.section-primary h2,.section-primary h3{color:var(--white);}
.section-dark{background:var(--primary-dark);color:var(--secondary);}

.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:1fr 1fr;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-6{grid-template-columns:repeat(6,1fr);}
@media (max-width:900px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr 1fr;}
  .grid-6{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr;}
}

/* Hero */
.hero{
  background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:var(--white);position:relative;overflow:hidden;padding:70px 0 60px;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(216,239,232,.14),transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative;z-index:2;}
.hero-kicker{color:var(--secondary);font-weight:600;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;}
.hero h1{color:var(--white);}
.hero .lede{color:rgba(255,255,255,.82);margin:18px 0 26px;}
.hero-benefits{margin:22px 0 30px;display:grid;gap:12px;}
.hero-benefits li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.92);font-size:.98rem;}
.hero-benefits li::before{content:"✓";flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--cta);
  color:var(--primary-dark);font-weight:800;font-size:.75rem;display:flex;align-items:center;justify-content:center;margin-top:2px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{position:relative;max-width:420px;margin:0 auto;}
.hero-visual > img{border-radius:24px;width:100%;}
.hero-badge-strip{margin-top:14px;display:flex;justify-content:flex-start;}
.hero-badge-strip img{width:62%;height:auto;object-fit:contain;margin-left:28%;}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;}.hero-visual{order:-1;max-width:340px;margin:0 auto;}}

/* Trust strip */
.trust-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:28px;padding:26px 0;background:var(--white);border-bottom:1px solid var(--line);}
.trust-strip span{font-size:.85rem;color:var(--ink-soft);font-weight:600;display:flex;align-items:center;gap:8px;}
.trust-strip span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* Cards */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);}
.icon-badge{width:48px;height:48px;border-radius:14px;background:var(--secondary);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;color:var(--primary);}

/* Numbered steps */
.step{display:flex;gap:18px;align-items:flex-start;}
.step-num{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:var(--primary);color:var(--white);
  display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;font-size:1.1rem;}

/* Table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);}
table{width:100%;border-collapse:collapse;background:var(--white);min-width:520px;}
th,td{padding:14px 18px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line);}
th{background:var(--primary);color:var(--white);font-weight:600;}
tr:last-child td{border-bottom:none;}
td.yes{color:var(--primary);font-weight:600;}
td.no{color:#B34747;}

/* Ingredient cards */
.ingredient-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.ingredient-card .body{padding:26px;}
.ingredient-card .tag{font-size:.75rem;color:var(--primary);font-weight:700;text-transform:uppercase;letter-spacing:.05em;}

/* Pros / cons */
.pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.pc-card{border-radius:var(--radius);padding:28px;}
.pc-good{background:var(--secondary-soft);border:1px solid var(--secondary);}
.pc-watch{background:var(--white);border:1px solid var(--line);}
.pc-card li{position:relative;padding-left:26px;margin-bottom:10px;font-size:.94rem;color:var(--ink-soft);}
.pc-good li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700;}
.pc-watch li::before{content:"–";position:absolute;left:0;color:var(--ink-soft);font-weight:700;}
@media (max-width:700px){.pc-grid{grid-template-columns:1fr;}}

/* Testimonials */
.avatar{
  width:52px;height:52px;border-radius:50%;background:var(--primary);color:var(--white);
  display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;font-size:1.05rem;
}
.stars{color:var(--cta-dark);letter-spacing:2px;font-size:.95rem;}
.testi-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.testi-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.testi-meta{font-size:.82rem;color:var(--ink-soft);}

/* Pricing */
.price-card{background:var(--white);border:2px solid var(--line);border-radius:var(--radius);padding:30px;position:relative;text-align:center;display:flex;flex-direction:column;}
.price-card.featured{border-color:var(--cta);box-shadow:var(--shadow);transform:translateY(-10px);}
.price-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--cta);color:var(--primary-dark);
  font-size:.72rem;font-weight:800;letter-spacing:.06em;padding:6px 16px;border-radius:99px;text-transform:uppercase;}
.price-card .pack-label{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);}
.price-card h3{margin:6px 0 2px;}
.price-card .supply{font-size:.85rem;color:var(--ink-soft);margin-bottom:16px;}
.price-card img{max-width:100%;height:160px;object-fit:contain;margin:0 auto 16px;}
.price-big{font-family:'Fraunces',serif;font-size:2.6rem;font-weight:700;color:var(--primary-dark);}
.price-big sup{font-size:1rem;font-weight:600;}
.price-per{font-size:.82rem;color:var(--ink-soft);margin-bottom:2px;}
.price-strike{color:#B0847A;text-decoration:line-through;font-size:.95rem;}
.price-total{font-weight:700;color:var(--primary-dark);}
.price-features{text-align:left;margin:18px 0;display:grid;gap:8px;}
.price-features li{font-size:.86rem;color:var(--ink-soft);padding-left:22px;position:relative;}
.price-features li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700;}
.payment-icons{display:flex;gap:8px;justify-content:center;margin-top:14px;opacity:.7;font-size:.75rem;color:var(--ink-soft);}

/* Bonus */
.bonus-card{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);}
.bonus-card img{border-radius:10px;}
.bonus-value{font-size:.85rem;color:var(--ink-soft);margin:6px 0 8px;}
.bonus-value strong{color:var(--primary);}
@media (max-width:600px){.bonus-card{grid-template-columns:1fr;text-align:center;}}

/* FAQ accordion */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 4px;font-family:'Fraunces',serif;
  font-size:1.05rem;font-weight:600;color:var(--primary-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--primary);flex:0 0 auto;transition:transform .2s;}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;font-size:.94rem;color:var(--ink-soft);}
.faq-a p{padding:0 4px 20px;}

/* Footer */
footer{background:var(--primary-dark);color:rgba(255,255,255,.75);padding:64px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:700;font-size:1.25rem;color:var(--white);margin-bottom:12px;}
.footer-brand img{width:30px;height:30px;border-radius:7px;}
footer h4{color:var(--secondary);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;font-family:'Inter',sans-serif;}
footer ul{display:grid;gap:10px;}
footer a{font-size:.9rem;color:rgba(255,255,255,.72);transition:color .15s;}
footer a:hover{color:var(--cta);}
.footer-disclaimers{margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:14px;}
.footer-disclaimers p{font-size:.78rem;line-height:1.7;color:rgba(255,255,255,.55);}
.footer-bottom{margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:rgba(255,255,255,.5);}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* Guarantee section */
.guarantee-box{display:grid;grid-template-columns:180px 1fr;gap:36px;align-items:center;}
.guarantee-box img{max-width:180px;margin:0 auto;}
@media (max-width:700px){.guarantee-box{grid-template-columns:1fr;text-align:center;}}

/* Utility */
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}
.text-center{text-align:center;}
.small{font-size:.85rem;color:var(--ink-soft);}
.divider{height:1px;background:var(--line);margin:60px 0;}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center;}
.badge-row img{height:66px;width:auto;object-fit:contain;}
.tag-pill{display:inline-block;background:var(--secondary-soft);border:1px solid var(--line);color:var(--primary);
  font-size:.78rem;font-weight:600;padding:5px 13px;border-radius:99px;margin:3px 4px 3px 0;}

/* Legal / article pages */
.legal-page{padding:60px 0 90px;max-width:820px;margin:0 auto;}
.legal-page h1{margin-bottom:8px;}
.legal-page .updated{color:var(--ink-soft);font-size:.88rem;margin-bottom:36px;}
.legal-page h2{font-size:1.35rem;margin:38px 0 12px;}
.legal-page h3{font-size:1.08rem;margin:24px 0 10px;color:var(--primary);}
.legal-page p, .legal-page li{color:var(--ink-soft);font-size:.98rem;margin-bottom:14px;}
.legal-page ul{list-style:disc;padding-left:22px;}
.legal-page a{color:var(--primary);text-decoration:underline;}

.article-page{max-width:780px;margin:0 auto;padding:56px 0 100px;}
.article-page h1{margin-bottom:14px;}
.article-page .meta{color:var(--ink-soft);font-size:.88rem;margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--line);}
.article-page h2{margin:44px 0 16px;font-size:1.55rem;}
.article-page h3{margin:28px 0 10px;font-size:1.18rem;color:var(--primary);}
.article-page p{margin-bottom:18px;color:var(--ink-soft);font-size:1.02rem;}
.article-page ul,.article-page ol{margin:0 0 18px 22px;color:var(--ink-soft);}
.article-page li{margin-bottom:8px;}
.article-page .callout{background:var(--secondary-soft);border-left:4px solid var(--primary);border-radius:10px;padding:20px 24px;margin:24px 0;font-size:.95rem;color:var(--ink-soft);}
.article-page table{margin:20px 0;}
.article-page em{color:var(--primary);font-style:italic;}

/* Breadcrumb */
.breadcrumb{font-size:.82rem;color:var(--ink-soft);margin-bottom:6px;}
.breadcrumb a{color:var(--primary);}

/* Sticky mobile CTA */
.mobile-sticky-cta{
  position:fixed;bottom:0;left:0;right:0;background:var(--white);border-top:1px solid var(--line);
  padding:12px 16px;box-shadow:0 -10px 24px -12px rgba(0,0,0,.18);z-index:90;display:none;
}
@media (max-width:700px){.mobile-sticky-cta{display:block;}body{padding-bottom:70px;}}

/* Back to top / final CTA banner */
.final-cta{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:var(--white);text-align:center;border-radius:28px;padding:60px 40px;}
.final-cta h2{color:var(--white);}
.final-cta p{color:rgba(255,255,255,.85);}