/* ============================================
   PROPER — design tokens
   Palette: ink navy, warm cream, punchy signal-orange
   Type: Space Grotesk (display) / Inter (body) / JetBrains Mono (data)
   ============================================ */

:root{
  --ink: #12203A;
  --ink-deep: #0B1526;
  --cream: #F7F2E7;
  --cream-warm: #EFE7D3;
  --paper: #FFFDF8;
  --signal: #FF5A36;
  --signal-deep: #D9431F;
  --line: #12203A;
  --line-soft: #D8D0BC;
  --text-soft: #4A5468;
  --green-ok: #2F7A4F;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius: 4px;
  --shadow: 6px 6px 0 var(--ink);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
ul,ol{ list-style: none; margin:0; padding:0; }

.wrap{
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- typography helpers ---------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--signal-deep);
  margin: 0 0 14px;
  font-weight: 700;
}
.eyebrow.center{ text-align:center; }
.section-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 20px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.section-title.center{ text-align:center; max-width: 680px; margin-left:auto; margin-right:auto; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 15px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  font-family: var(--font-display);
  border: 2px solid var(--ink);
  cursor:pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translate(-2px,-2px); }
.btn:focus-visible{ outline: 3px solid var(--signal); outline-offset: 2px; }
.btn-primary{
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow);
}
.btn-primary:hover{ box-shadow: 9px 9px 0 var(--ink); background: var(--ink-deep); }
.btn-ghost{
  background: transparent;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.btn-ghost.btn-invert{ border-color: var(--paper); color: var(--paper); box-shadow: 6px 6px 0 var(--paper); }
.btn-ghost.btn-invert:hover{ background: var(--paper); color: var(--ink); }
.btn-light{
  background: var(--signal);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-light:hover{ background: var(--signal-deep); }
.btn-sm{ padding: 10px 18px; font-size: 0.82rem; }

/* ============ HEADER ============ */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: var(--cream);
  border-bottom: 2px solid var(--ink);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
}
.brand-mark{
  display:flex; align-items:center; justify-content:center;
  width: 34px; height:34px;
  background: var(--signal);
  color: var(--paper);
  border: 2px solid var(--ink);
  font-size: 1.1rem;
}
.brand-word{ letter-spacing: 0.04em; }

.main-nav{
  display:flex;
  gap: 28px;
  font-weight: 600;
  font-size: 0.92rem;
  flex: 1;
  justify-content: center;
}
.main-nav a{ color: var(--text-soft); transition: color .15s; }
.main-nav a:hover{ color: var(--ink); }
.nav-cta{ flex-shrink:0; }
.nav-toggle{ display:none; }

/* ============ HERO ============ */
.hero{ padding: 76px 0 56px; }
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items:center;
  gap: 48px;
}
.hero h1{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 4.2vw, 3.3rem);
  line-height: 1.08;
  margin: 0 0 22px;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.hero-sub{
  font-size: 1.06rem;
  line-height: 1.62;
  color: var(--text-soft);
  max-width: 480px;
  margin: 0 0 34px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-panel{ position:relative; display:flex; justify-content:center; }
.tin-face{
  width: 240px;
  background: var(--ink);
  color: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.tin-top{ display:flex; justify-content: space-between; font-family: var(--font-display); font-weight:700; font-size:0.85rem; letter-spacing:0.08em; padding-bottom:16px; border-bottom: 1px solid rgba(255,255,255,0.25); }
.tin-strength{ color: var(--signal); }
.tin-mid{ text-align:center; padding: 30px 0; }
.tin-big{ font-family: var(--font-display); font-size: 4.2rem; font-weight:700; display:block; line-height:1; }
.tin-unit{ font-family: var(--font-mono); font-size:0.7rem; letter-spacing:0.15em; color: var(--cream-warm); }
.tin-bottom{ display:flex; justify-content: space-between; font-family: var(--font-mono); font-size:0.68rem; letter-spacing:0.04em; padding-top:16px; border-top: 1px solid rgba(255,255,255,0.25); color: var(--cream-warm); }
.hero-stat-card{
  position:absolute;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 14px 18px;
  text-align:center;
  box-shadow: var(--shadow);
  top: -18px; right: -10px;
}
.hero-stat-card-b{ top: auto; bottom: -18px; left: -18px; right:auto; }
.stat-num{ display:block; font-family: var(--font-display); font-size: 1.5rem; font-weight:700; color: var(--signal-deep); }
.stat-label{ font-family: var(--font-mono); font-size: 0.62rem; text-transform:uppercase; letter-spacing:0.02em; color: var(--text-soft); max-width:120px; display:block; }

/* ============ LABEL SECTION ============ */
.label-section{ padding: 92px 0; background: var(--paper); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.label-panel{
  max-width: 560px;
  margin: 48px auto 0;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--cream);
}
.label-panel-head{
  display:flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight:700;
  letter-spacing:0.05em;
  padding: 16px 22px;
  background: var(--ink);
  color: var(--paper);
}
.label-rows{ padding: 8px 22px; }
.label-rows li{ display:flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px dashed var(--line-soft); font-size:0.95rem; }
.label-rows li:last-child{ border-bottom:none; }
.label-rows li span:last-child{ font-family: var(--font-mono); font-weight:700; }
.label-note{ padding: 18px 22px 22px; margin:0; font-size:0.86rem; color: var(--text-soft); border-top: 2px solid var(--ink); }

/* ============ COMPARE ============ */
.compare{ padding: 92px 0; }
.compare-table{ max-width: 760px; margin: 48px auto 0; border: 2px solid var(--ink); border-radius: var(--radius); overflow:hidden; background: var(--paper); }
.compare-row{ display:grid; grid-template-columns: 1.6fr 1fr 1fr; }
.compare-row:not(:last-child){ border-bottom: 1px solid var(--line-soft); }
.compare-row span{ padding: 16px 18px; font-size: 0.9rem; }
.compare-row span:first-child{ color: var(--ink); font-weight:600; }
.compare-head{ background: var(--ink); color: var(--paper); font-family: var(--font-display); font-weight:700; }
.compare-head span{ padding: 14px 18px; }
.compare-row .yes{ color: var(--green-ok); font-weight:700; text-align:center; }
.compare-row .no{ color: var(--text-soft); text-align:center; }
.compare-footnote{ max-width:760px; margin: 18px auto 0; font-size:0.78rem; color: var(--text-soft); text-align:center; }

/* ============ SHOP / STRENGTHS ============ */
.shop{ padding: 92px 0; background: var(--paper); border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.strength-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 48px; }
.strength-card{
  background: var(--cream);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 30px 26px;
  display:flex;
  flex-direction:column;
  position:relative;
  box-shadow: var(--shadow);
}
.strength-card-feature{ background: var(--ink); color: var(--paper); }
.strength-card-feature .strength-num, .strength-card-feature .strength-unit, .strength-card-feature h3{ color: var(--paper); }
.strength-card-feature .strength-facts li{ border-bottom-color: rgba(255,255,255,0.2); }
.strength-card-feature .strength-facts li span:first-child{ color: var(--cream-warm); }
.strength-card-feature p{ color: var(--cream-warm); }
.ribbon{
  position:absolute; top:16px; right:-34px;
  background: var(--signal);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  padding: 5px 38px;
  transform: rotate(30deg);
  font-weight:700;
}
.strength-head{ display:flex; align-items:baseline; gap:8px; margin-bottom:12px; }
.strength-num{ font-family: var(--font-display); font-size: 2.6rem; font-weight:700; color: var(--ink); line-height:1; }
.strength-unit{ font-family: var(--font-mono); font-size:0.85rem; font-weight:700; color: var(--signal-deep); }
.strength-card h3{ font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 10px; }
.strength-card > p{ color: var(--text-soft); line-height:1.55; margin: 0 0 20px; }
.strength-facts{ border-top: 1px solid var(--line-soft); margin-bottom: 24px; }
.strength-facts li{ display:flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line-soft); font-size:0.85rem; }
.strength-facts li span:last-child{ font-family: var(--font-mono); font-weight:700; }
.strength-foot{ margin-top:auto; display:flex; align-items:center; justify-content: space-between; }
.price{ font-family: var(--font-display); font-size: 1.5rem; font-weight:700; }

/* ============ LAB STRIP ============ */
.lab-strip{ padding: 80px 0; background: var(--ink); color: var(--paper); }
.lab-strip-inner{ display:grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items:center; }
.lab-strip .section-title{ color: var(--paper); }
.lab-strip-copy p{ color: var(--cream-warm); line-height:1.6; max-width: 460px; margin: 0 0 28px; }
.lab-strip-code{
  justify-self:end;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 26px 30px;
  text-align:center;
  font-family: var(--font-mono);
  box-shadow: 6px 6px 0 var(--signal);
}
.lab-strip-code span{ display:block; }
.lab-strip-code .code{ font-size: 1.3rem; font-weight:700; margin: 8px 0; letter-spacing: 0.03em; }
.lab-strip-code .checked{ color: var(--green-ok); font-weight:700; font-size:0.8rem; }

/* ============ REVIEWS ============ */
.reviews{ padding: 92px 0; }
.review-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 48px; }
.review-card{ margin:0; background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius); padding: 28px; }
.review-card blockquote{ margin: 0 0 18px; font-family: var(--font-display); font-size: 1.1rem; line-height:1.5; color: var(--ink); font-weight: 500; }
.review-card figcaption{ font-size: 0.85rem; color: var(--text-soft); display:flex; justify-content: space-between; align-items:center; font-family: var(--font-mono); }
.stars{ color: var(--signal); letter-spacing: 1px; }

/* ============ FAQ ============ */
.faq{ padding: 92px 0; background: var(--paper); border-top: 2px solid var(--ink); }
.faq-inner{ max-width: 760px; }
.faq-list{ display:flex; flex-direction:column; gap: 12px; margin-top: 32px; }
details{ background: var(--cream); border: 2px solid var(--ink); border-radius: var(--radius); padding: 18px 22px; }
summary{ cursor:pointer; font-weight:700; font-family: var(--font-display); color: var(--ink); list-style:none; display:flex; justify-content: space-between; align-items:center; gap:16px; }
summary::-webkit-details-marker{ display:none; }
summary::after{ content:"+"; font-size:1.4rem; color: var(--signal-deep); flex-shrink:0; }
details[open] summary::after{ content:"–"; }
details p{ margin: 14px 0 0; color: var(--text-soft); line-height:1.6; }

/* ============ CTA BAND ============ */
.cta-band{ background: var(--signal); padding: 64px 0; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.cta-band-inner{ display:flex; align-items:center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2{ font-family: var(--font-display); font-size: clamp(1.5rem,2.6vw,2.1rem); color: var(--paper); margin:0; max-width: 560px; font-weight:700; }

/* ============ FOOTER ============ */
.site-footer{ background: var(--ink); color: var(--cream-warm); padding: 64px 0 0; }
.footer-grid{ display:grid; grid-template-columns: 1fr 2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.footer-brand{ display:flex; gap:12px; align-items:flex-start; }
.footer-brand p{ font-size: 0.9rem; line-height:1.5; margin:0; }
.footer-links{ display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.footer-links h4{ font-family: var(--font-mono); font-size:0.74rem; text-transform:uppercase; letter-spacing:0.06em; color: var(--signal); margin: 0 0 14px; }
.footer-links a{ display:block; padding: 6px 0; color: var(--cream-warm); font-size:0.92rem; }
.footer-links a:hover{ color: var(--paper); }
.footer-legal{ padding: 24px 0 32px; font-size: 0.76rem; color: rgba(247,242,231,0.55); line-height:1.6; display:flex; flex-direction:column; gap:8px; }

/* ============ mobile nav + reveal ============ */
.main-nav.nav-open{
  display:flex;
  flex-direction:column;
  position:absolute;
  top:100%;
  left:0; right:0;
  background: var(--cream);
  border-bottom: 2px solid var(--ink);
  padding: 8px 32px 20px;
  gap: 4px;
}
.main-nav.nav-open a{ padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.nav-toggle.is-active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2){ opacity:0; }
.nav-toggle.is-active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
.nav-toggle span{ transition: transform .2s ease, opacity .2s ease; }

.reveal-ready{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal-in{ opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px){
  .main-nav{ display:none; }
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-panel{ order:-1; margin-bottom: 24px; }
  .strength-grid, .review-grid{ grid-template-columns: 1fr; }
  .compare-row{ grid-template-columns: 1.3fr 1fr 1fr; }
  .compare-row span{ padding: 14px 10px; font-size:0.82rem; }
  .lab-strip-inner{ grid-template-columns: 1fr; }
  .lab-strip-code{ justify-self:start; }
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-links{ grid-template-columns: repeat(3,1fr); }
  .nav-cta{ display:none; }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer; padding:6px;
  }
  .nav-toggle span{ width:22px; height:2px; background: var(--ink); }
}
@media (max-width: 520px){
  .wrap{ padding: 0 20px; }
  .hero{ padding-top: 40px; }
  .compare-row{ grid-template-columns: 1.4fr 0.8fr 0.8fr; }
  .cta-band-inner{ justify-content:center; text-align:center; }
}