/* ============================================================
   PressureCalm.net — Design System
   Signature: EKG pulse-line motif used as section dividers and
   an animated hero underline (thematically literal, not decorative).
   ============================================================ */

:root{
  --teal:        #0F3D3E;   /* primary — deep teal-navy, calm/clinical */
  --teal-deep:   #0A2B2C;   /* darker teal for hero/footer bg */
  --coral:       #E2472D;   /* accent — warm coral-red (pulse/CTA) */
  --coral-deep:  #B93419;   /* coral hover */
  --sand:        #FBF8F3;   /* warm off-white section bg */
  --white:       #FFFFFF;
  --ink:         #000000;   /* body text — pure black per spec */
  --ink-on-dark: #FFFFFF;   /* text on teal/coral backgrounds */
  --line:        #DCE3E2;   /* hairline border */
  --chip:        #E6EFEE;   /* light teal chip bg */
  --radius:      16px;
  --radius-lg:   22px;
  --shadow:      0 4px 18px rgba(10, 43, 44, 0.10);
  --maxw:        1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Inter', -apple-system, Segoe UI, Roboto, sans-serif;
  font-size:18px;
  line-height:1.75;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk', 'Inter', sans-serif;
  font-weight:700;
  line-height:1.25;
  margin:0 0 0.6em;
  color:var(--ink);
}
h1{ font-size:clamp(2.1rem, 4.5vw, 3.4rem); }
h2{ font-size:clamp(1.6rem, 3vw, 2.3rem); }
h3{ font-size:1.35rem; }
p{ margin:0 0 1.2em; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
section{ padding:72px 0; }
.bg-sand{ background:var(--sand); }
.bg-teal{ background:var(--teal); color:var(--ink-on-dark); }
.bg-teal *{ color:var(--ink-on-dark); }
.bg-teal-deep{ background:var(--teal-deep); color:var(--ink-on-dark); }
.bg-teal-deep *{ color:var(--ink-on-dark); }

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--coral); color:#fff;
  padding:14px 20px; z-index:999; border-radius:0 0 8px 0; font-weight:600;
}
.skip-link:focus{ left:0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-block; font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:18px; padding:18px 34px; border-radius:999px; cursor:pointer;
  border:2px solid transparent; transition:transform .15s ease, background .15s ease;
  text-align:center;
}
.btn-primary{ background:var(--coral); color:#fff; }
.btn-primary:hover{ background:var(--coral-deep); transform:translateY(-2px); }
.btn-outline{ background:transparent; border-color:var(--white); color:var(--white); }
.btn-outline:hover{ background:rgba(255,255,255,.12); }
.btn-dark-outline{ background:transparent; border-color:var(--teal); color:var(--teal); }
.btn-dark-outline:hover{ background:var(--chip); }
.btn:focus-visible{ outline:3px solid var(--teal); outline-offset:3px; }

/* ---------- Ticker ---------- */
.ticker{
  background:var(--teal-deep); color:#fff; font-size:15px; font-weight:600;
  text-align:center; padding:10px 16px; letter-spacing:.2px;
}

/* ---------- Nav ---------- */
.nav{
  position:sticky; top:0; z-index:100; background:#fff; border-bottom:1px solid var(--line);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; max-width:var(--maxw); margin:0 auto; }
.brand{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:22px; display:flex; align-items:center; gap:8px; }
.brand .pulse-dot{ width:10px; height:10px; background:var(--coral); border-radius:50%; display:inline-block; animation:pulse 1.8s infinite; }
@keyframes pulse{ 0%,100%{ transform:scale(1); opacity:1;} 50%{ transform:scale(1.6); opacity:.4;} }
.nav-links{ display:flex; gap:28px; list-style:none; margin:0; padding:0; font-size:16px; font-weight:600; }
.nav-links a:hover{ color:var(--coral); }
.nav-cta{ display:flex; align-items:center; gap:20px; }
.menu-toggle{ display:none; background:none; border:none; font-size:28px; cursor:pointer; }
@media (max-width:860px){
  .nav-links{ position:fixed; top:0; right:-100%; height:100vh; width:78%; max-width:320px; background:#fff;
    flex-direction:column; padding:100px 32px 32px; gap:24px; transition:right .25s ease; box-shadow:-8px 0 24px rgba(0,0,0,.15); }
  .nav-links.open{ right:0; }
  .menu-toggle{ display:block; }
}

/* ---------- Pulse divider (signature element) ---------- */
.pulse-divider{ width:100%; height:34px; display:block; margin:0 auto; }
.pulse-divider path{ fill:none; stroke:var(--coral); stroke-width:2.5; }

/* ---------- Hero ---------- */
.hero{ padding:64px 0 56px; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.eyebrow{ font-size:14px; font-weight:700; letter-spacing:1.5px; text-transform:uppercase; color:var(--coral); margin-bottom:14px; }
.bg-teal .eyebrow{ color:#FFD9CF; }
.hero-lede{ font-size:20px; margin-bottom:28px; }
.hero-stats{ display:flex; gap:36px; margin-top:36px; flex-wrap:wrap; }
.stat b{ display:block; font-family:'Space Grotesk',sans-serif; font-size:2rem; }
.stat span{ font-size:15px; opacity:.85; }
.hero-img-wrap{ position:relative; }
.hero-img-wrap img{ border-radius:var(--radius-lg); }
@media (max-width:860px){ .hero-grid{ grid-template-columns:1fr; } .hero-img-wrap{ order:-1; } }

/* ---------- Chips / badges ---------- */
.chip-row{ display:flex; gap:14px; flex-wrap:wrap; margin:22px 0 0; }
.chip{ background:var(--chip); color:var(--teal); font-size:14px; font-weight:700; padding:9px 16px; border-radius:999px; display:flex; align-items:center; gap:8px; }
.bg-teal .chip, .bg-teal-deep .chip{ background:rgba(255,255,255,.14); color:#fff; }

/* ---------- Cards ---------- */
.grid{ display:grid; gap:26px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:860px){ .grid-3,.grid-2{ grid-template-columns:1fr; } }
.card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px; box-shadow:var(--shadow); }
.card h3{ margin-bottom:10px; }
.card .icon{ font-size:28px; margin-bottom:14px; display:block; }

/* ---------- Section head ---------- */
.section-head{ max-width:680px; margin-bottom:44px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Ingredients ---------- */
.ing-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
.ing-card img{ width:100%; height:180px; object-fit:cover; }
.ing-card .ing-body{ padding:22px; }
.ing-card h3{ font-size:1.15rem; }

/* ---------- Timeline (how it works) ---------- */
.timeline{ position:relative; padding-left:0; }
.timeline-row{ display:grid; grid-template-columns:64px 1fr; gap:20px; margin-bottom:30px; }
.timeline-num{ width:56px; height:56px; border-radius:50%; background:var(--teal); color:#fff; display:flex; align-items:center; justify-content:center; font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:20px; }

/* ---------- Pricing ---------- */
.price-card{ background:#fff; border:2px solid var(--line); border-radius:var(--radius-lg); padding:34px 28px; text-align:center; position:relative; }
.price-card.featured{ border-color:var(--coral); box-shadow:0 10px 30px rgba(226,71,45,.18); transform:translateY(-8px); }
.price-badge{ position:absolute; top:-16px; left:50%; transform:translateX(-50%); background:var(--coral); color:#fff; font-size:13px; font-weight:700; padding:6px 18px; border-radius:999px; white-space:nowrap; }
.price-card img{ height:130px; margin:0 auto 18px; object-fit:contain; }
.price-big{ font-family:'Space Grotesk',sans-serif; font-size:2.6rem; font-weight:700; margin:10px 0 0; }
.price-sub{ font-size:14px; opacity:.75; margin-bottom:18px; }
.price-save{ color:var(--coral); font-weight:700; font-size:15px; margin-bottom:16px; }

/* ---------- Testimonials ---------- */
.testi-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow); }
.stars{ color:var(--coral); font-size:18px; margin-bottom:10px; letter-spacing:2px; }
.testi-meta{ margin-top:16px; font-size:14px; font-weight:700; }
.testi-meta span{ display:block; font-weight:400; opacity:.7; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{ width:100%; text-align:left; background:none; border:none; padding:22px 0; font-family:'Space Grotesk',sans-serif;
  font-size:1.05rem; font-weight:700; cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:16px; color:var(--ink); }
.faq-q .plus{ font-size:22px; color:var(--coral); transition:transform .2s ease; flex-shrink:0; }
.faq-item.open .plus{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; font-size:17px; }
.faq-item.open .faq-a{ max-height:500px; padding-bottom:22px; }

/* ---------- Final CTA ---------- */
.final-cta{ text-align:center; }
.final-cta img{ max-width:280px; margin:0 auto 30px; }

/* ---------- Footer ---------- */
footer{ background:var(--teal-deep); color:#fff; padding:56px 0 30px; font-size:15px; }
footer a{ opacity:.85; }
footer a:hover{ opacity:1; text-decoration:underline; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:36px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-grid h4{ color:#fff; font-size:15px; text-transform:uppercase; letter-spacing:1px; margin-bottom:16px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-legal{ border-top:1px solid rgba(255,255,255,.15); padding-top:24px; font-size:13px; opacity:.75; line-height:1.7; }

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta{ display:none; position:fixed; left:0; right:0; bottom:0; z-index:200; background:#fff; border-top:1px solid var(--line);
  padding:12px 16px; box-shadow:0 -4px 16px rgba(0,0,0,.12); }
.mobile-cta .btn{ width:100%; }
@media (max-width:760px){ .mobile-cta{ display:block; } body{ padding-bottom:78px; } }

/* ---------- Back to top ---------- */
.back-top{ position:fixed; right:20px; bottom:96px; width:48px; height:48px; border-radius:50%; background:var(--teal);
  color:#fff; border:none; font-size:20px; cursor:pointer; display:none; align-items:center; justify-content:center; z-index:150; box-shadow:var(--shadow); }
.back-top.show{ display:flex; }
@media (max-width:760px){ .back-top{ bottom:96px; } }

/* ---------- Exit popup ---------- */
.popup-overlay{ position:fixed; inset:0; background:rgba(10,43,44,.72); display:none; align-items:center; justify-content:center; z-index:500; padding:20px; }
.popup-overlay.show{ display:flex; }
.popup-box{ background:#fff; border-radius:var(--radius-lg); padding:40px 32px; max-width:440px; text-align:center; position:relative; }
.popup-close{ position:absolute; top:14px; right:18px; background:none; border:none; font-size:24px; cursor:pointer; }
.popup-timer{ font-family:'Space Grotesk',sans-serif; font-size:2.4rem; font-weight:700; color:var(--coral); margin:14px 0; }

/* ---------- Breadcrumbs ---------- */
.breadcrumb{ font-size:14px; padding:20px 0 0; opacity:.75; }
.breadcrumb a:hover{ text-decoration:underline; }

/* ---------- Comparison table ---------- */
table.compare{ width:100%; border-collapse:collapse; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); }
table.compare th, table.compare td{ padding:16px 18px; border-bottom:1px solid var(--line); text-align:left; font-size:16px; }
table.compare th{ background:var(--teal); color:#fff; font-family:'Space Grotesk',sans-serif; }
table.compare td:first-child{ font-weight:700; }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-lg{ margin-top:48px; }
.small{ font-size:14px; opacity:.75; }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }