/* =========================================================
   MIND VAULT — us-mindvault.com
   Design System: "Warm Companion"
   A soft, human, story-led identity — feels like a letter from
   a trusted daughter/caregiver, not a lab report.
   Palette: sage green + warm cream + charcoal-brown
   Type: Sora (display) / Nunito Sans (body) — sans-serif only
   ========================================================= */
:root{
  --sage-deep:#3F5C4C;
  --sage-mid:#5C7F68;
  --sage-soft:#8FAE9B;
  --cream-tint:#F1ECDF;
  --white:#FFFFFF;
  --warm-white:#FBF9F4;
  --text-body:#2B2823;      /* warm near-black, not navy */
  --text-muted:#6B6459;
  --border-light:#E6DFCD;
  --gold-accent:#C99A4B;    /* single warm accent used sparingly */
  --radius:28px;             /* soft, rounded, organic */
  --radius-sm:16px;
  --shadow-soft:0 6px 20px rgba(63,92,76,.12);
  --shadow-strong:0 10px 32px rgba(63,92,76,.22);
  --font-head:'Sora',Arial,Helvetica,sans-serif;
  --font-body:'Nunito Sans',Arial,Helvetica,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{overflow-x:hidden}
body{
  font-family:var(--font-body);
  color:var(--text-body);
  background:var(--warm-white);
  font-size:18px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--sage-deep);line-height:1.3;font-weight:700}
h1{font-size:clamp(32px,5vw,50px)}
h2{font-size:clamp(26px,3.2vw,34px)}
h3{font-size:20px}
p{color:var(--text-body)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
button{font-family:var(--font-body);cursor:pointer;border:none}
.container{max-width:1140px;margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:0;background:var(--sage-deep);color:#fff;padding:12px 20px;z-index:999;border-radius:0 0 12px 0}
.skip-link:focus{left:0}
a:focus-visible,button:focus-visible{outline:3px solid var(--sage-mid);outline-offset:3px}

.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold-accent);font-weight:700;letter-spacing:.03em;text-transform:uppercase;font-size:14px}
.eyebrow::before{content:"✦";font-size:14px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:18px;font-weight:700;padding:17px 36px;border-radius:999px;min-height:44px;transition:background .2s ease,transform .15s ease}
.btn-primary{background:var(--sage-deep);color:#fff}
.btn-primary:hover{background:#324A3D;transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--sage-deep);border:2px solid var(--sage-deep)}
.btn-secondary:hover{background:var(--cream-tint)}
.btn-block{width:100%}

.badge-chip{background:var(--cream-tint);color:var(--sage-deep);border-radius:999px;padding:9px 18px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:6px}
.ticker{background:var(--sage-deep);color:#fff;text-align:center;padding:11px 16px;font-size:15px;font-weight:700}

.section-pad{padding:64px 0}
@media(min-width:900px){.section-pad{padding:104px 0}}
.section-off{background:var(--cream-tint)}
.section-sage{background:var(--sage-deep);color:#fff}
.section-sage h2,.section-sage h3{color:#fff}
.section-sage p{color:#E4EDE7}

.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:34px}
.grid{display:grid;gap:26px}
@media(min-width:700px){.grid-2{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.disclaimer{background:var(--cream-tint);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:22px 26px;font-size:16px;color:var(--text-muted)}

/* Nav */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(251,249,244,.96);backdrop-filter:blur(6px);transition:box-shadow .2s ease}
.site-nav.scrolled{box-shadow:var(--shadow-soft)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:1140px;margin:0 auto}
.nav-logo{font-family:var(--font-head);font-weight:700;font-size:21px;color:var(--sage-deep)}
.nav-links{display:none;gap:26px;align-items:center}
.nav-links a{font-size:16px;font-weight:700;color:var(--text-body)}
.nav-links a:hover{color:var(--sage-mid)}
@media(min-width:900px){.nav-links{display:flex}}
.nav-toggle{display:inline-flex;background:none;font-size:26px;color:var(--sage-deep)}
@media(min-width:900px){.nav-toggle{display:none}}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:12px 24px 20px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 0;font-size:17px;font-weight:700;border-bottom:1px solid var(--border-light)}
.nav-links a.btn,.mobile-menu a.btn{color:#fff}

/* Hero — centered stat/story hero, not the "product-right" template */
.hero{background:var(--warm-white);padding:56px 0 40px}
.hero-inner{text-align:center;max-width:760px;margin:0 auto}
.hero h1{margin:16px 0}
.hero .lead{font-size:21px;color:var(--text-muted);margin:0 auto 30px;max-width:56ch}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.hero-photo{margin-top:40px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-strong);max-width:420px;margin-left:auto;margin-right:auto}

.trust-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;text-align:center}
@media(min-width:700px){.trust-row{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.trust-row{grid-template-columns:repeat(6,1fr)}}
.trust-item{padding:16px 10px;font-size:14px;font-weight:700;color:var(--sage-deep);background:var(--cream-tint);border-radius:var(--radius-sm)}

/* Ingredient list — storytelling style, not spec-sheet */
.ingredient-story{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--border-light)}
.ingredient-story:first-child{border-top:1px solid var(--border-light)}
.ingredient-icon{width:52px;height:52px;border-radius:50%;background:var(--cream-tint);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:22px}

/* Pricing */
.price-card{border:2px solid var(--border-light);border-radius:var(--radius);padding:34px;text-align:center;position:relative;background:#fff}
.price-card.featured{border-color:var(--gold-accent);box-shadow:var(--shadow-strong)}
.price-flag{position:absolute;top:-16px;left:50%;transform:translateX(-50%);background:var(--gold-accent);color:#fff;font-size:13px;font-weight:700;padding:7px 18px;border-radius:999px}
.price-amount{font-family:var(--font-head);font-size:40px;font-weight:700;color:var(--sage-deep);margin:12px 0 4px}
.price-per{color:var(--text-muted);font-size:15px}

/* Testimonials — big pull-quote style */
.testi-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-soft)}
.testi-quote{font-family:var(--font-head);font-size:21px;color:var(--sage-deep);margin-bottom:14px}
.testi-meta{display:flex;align-items:center;gap:12px}
.testi-photo{width:52px;height:52px;border-radius:50%;overflow:hidden;object-fit:cover}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border-light)}
.faq-q{width:100%;background:none;text-align:left;padding:22px 0;font-size:18px;font-weight:700;color:var(--sage-deep);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-a{display:none;padding:0 0 22px;color:var(--text-muted)}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.plus{transition:transform .2s ease;font-size:22px;flex-shrink:0;color:var(--gold-accent)}

table{width:100%;border-collapse:collapse}
th,td{padding:16px;text-align:left;border-bottom:1px solid var(--border-light);font-size:17px}
th{background:var(--cream-tint);color:var(--sage-deep);font-family:var(--font-head)}

/* Footer */
footer{background:var(--sage-deep);color:#fff;padding:60px 0 26px}
footer p{color:#fff}
footer a{color:#D9E5DC}
footer a:hover{color:#fff}
.footer-grid{display:grid;gap:32px}
@media(min-width:700px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
.footer-links li{margin-bottom:11px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.18);margin-top:38px;padding-top:24px;font-size:14px;color:#BFD1C5}

.sticky-cta{position:fixed;bottom:0;left:0;right:0;background:var(--sage-deep);padding:13px 16px;display:flex;gap:12px;align-items:center;justify-content:space-between;z-index:80;box-shadow:0 -4px 16px rgba(0,0,0,.15)}
.sticky-cta p{color:#fff;font-size:16px;font-weight:700}
.sticky-cta .btn{padding:12px 24px;font-size:16px}
@media(min-width:900px){.sticky-cta{display:none}}

.popup-overlay{position:fixed;inset:0;background:rgba(43,40,35,.6);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.popup-overlay.active{display:flex}
.popup-box{background:#fff;border-radius:var(--radius);max-width:440px;width:100%;padding:38px;text-align:center;position:relative}
.popup-close{position:absolute;top:16px;right:18px;font-size:24px;background:none;color:var(--text-muted)}
.popup-timer{font-size:32px;font-weight:700;color:var(--sage-deep);margin:12px 0}

.back-to-top{position:fixed;bottom:90px;right:20px;background:var(--sage-deep);color:#fff;width:48px;height:48px;border-radius:50%;display:none;align-items:center;justify-content:center;font-size:20px;z-index:90}
.back-to-top.show{display:flex}
@media(min-width:900px){.back-to-top{bottom:30px}}

.reading-progress-bar{position:fixed;top:0;left:0;height:4px;background:var(--gold-accent);z-index:150;width:0}