@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

:root{
  --ink:#0c1210;
  --panel:#141c18;
  --panel-2:#1b241f;
  --lime:#cfff4d;
  --lime-dim:#a8d63d;
  --citrus:#ff7a33;
  --paper:#f5f7f0;
  --slate:#93a196;
  --line:rgba(207,255,77,0.14);
  --radius:2px;
  --max:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:'Inter',sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  color:var(--paper);
  margin:0 0 .5em;
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.08;
}
p{margin:0 0 1em;color:#c7d0c8;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:.7rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--citrus);
  margin-bottom:.9em;
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{content:'';width:22px;height:2px;background:var(--citrus);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:16px 32px;
  font-family:'JetBrains Mono',monospace;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:transform .15s ease, filter .15s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{filter:brightness(1.08); transform:translateY(-1px);}
.btn-outline{border-color:var(--lime); color:var(--lime); background:transparent;}
.btn-outline:hover{background:var(--lime); color:var(--ink);}
.btn-block{width:100%;}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(12,18,16,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--max);margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:38px;width:38px;}
.brand-text{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.1rem;letter-spacing:.02em;color:var(--paper);}
.brand-text small{display:block;font-family:'JetBrains Mono',monospace;font-size:.55rem;letter-spacing:.16em;color:var(--citrus);font-weight:500;}
.nav-links{display:flex;gap:28px;font-size:.86rem;font-weight:500;color:#c7d0c8;}
.nav-links a:hover{color:var(--lime);}
.nav-cta{display:flex;align-items:center;gap:18px;}
.burger{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--paper);}
@media (max-width:860px){
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--ink);padding:18px 24px 26px;border-bottom:1px solid var(--line);display:none;gap:16px;}
  .nav-links.open{display:flex;}
  .burger{display:block;}
  .nav-cta .btn{display:none;}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:70px 0 90px;overflow:hidden;}
.hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 85% 12%, rgba(207,255,77,.14), transparent 45%),
    radial-gradient(circle at 8% 90%, rgba(255,122,51,.10), transparent 45%);
  pointer-events:none;
}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;}
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;}
  .hero-photo{order:-1;max-width:340px;margin:0 auto;aspect-ratio:4/3;}
}
.hero h1{font-size:clamp(2.3rem,4.4vw,3.7rem);}
.hero h1 .accent{color:var(--lime);}
.hero p.lede{font-size:1.08rem;max-width:46ch;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.05em;color:var(--slate);}
.trust-row span{display:flex;align-items:center;gap:8px;}
.trust-row svg{width:16px;height:16px;flex:none;stroke:var(--lime);}
.hero-cta-row{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-photo{
  position:relative;
  aspect-ratio:4/5;
  overflow:hidden;
  border:1px solid var(--line);
  clip-path:polygon(24px 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%,0 24px);
}
.hero-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.03);}
.hero-photo .tag{
  position:absolute;bottom:0;left:0;right:0;
  background:rgba(12,18,16,.85);
  backdrop-filter:blur(4px);
  padding:12px 16px;
  font-family:'JetBrains Mono',monospace;
  font-size:.65rem;letter-spacing:.1em;color:var(--lime);
  display:flex;justify-content:space-between;
}

/* ---------- Sections ---------- */
section{padding:84px 0;}
.section-head{max-width:640px;margin:0 auto 48px;text-align:center;}
.band-panel{background:var(--panel);}
.band-lime{background:var(--lime);color:var(--ink);}
.band-lime h2,.band-lime h3{color:var(--ink);}
.band-lime p{color:#1c2620;}

/* ---------- Benefit grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);}
@media (max-width:820px){.grid-3{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.grid-3{grid-template-columns:1fr;}}
.card{background:var(--panel);padding:32px 26px;}
.icon-badge{
  width:48px;height:48px;
  background:var(--ink);
  border:1px solid var(--lime);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.icon-badge svg{width:22px;height:22px;stroke:var(--lime);}

/* ---------- Electrolyte spec panel (signature element) ---------- */
.spec-panel{
  border:1px solid var(--line);
  background:var(--panel);
  font-family:'JetBrains Mono',monospace;
}
.spec-row{
  display:grid;grid-template-columns:44px 1fr auto;gap:16px;
  align-items:center;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:none;}
.spec-row .idx{color:var(--citrus);font-size:.78rem;}
.spec-row .name{font-family:'Space Grotesk',sans-serif;color:var(--paper);font-weight:600;font-size:1rem;}
.spec-row .desc{font-family:'Inter',sans-serif;color:#9fab9f;font-size:.85rem;grid-column:2/4;margin-top:6px;}
.spec-row .amt{color:var(--lime);font-size:.85rem;white-space:nowrap;}
.spec-grid-wrap{display:grid;grid-template-columns:1fr;gap:0;}

/* ---------- Steps ---------- */
.howto-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center;}
@media (max-width:820px){.howto-layout{grid-template-columns:1fr;}}
.photo-side{width:100%;aspect-ratio:4/5;object-fit:cover;border:1px solid var(--line);filter:saturate(1.05);}
@media (max-width:820px){.photo-side{aspect-ratio:16/9;}}
.steps-vert{display:flex;flex-direction:column;gap:30px;}
.step .circle{
  width:48px;height:48px;
  border:1px solid var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;color:var(--lime);font-size:1rem;font-weight:700;
  background:var(--ink);
  margin-bottom:16px;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}

/* ---------- Bonus ---------- */
.bonus-row{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);}
@media (max-width:820px){.bonus-row{grid-template-columns:1fr;}}
.bonus-card{background:var(--panel);overflow:hidden;}
.bonus-thumb{aspect-ratio:4/3;background:var(--panel-2);overflow:hidden;}
.bonus-thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05);}
.bonus-body{padding:22px;}
.bonus-tag{font-family:'JetBrains Mono',monospace;font-size:.66rem;letter-spacing:.12em;color:var(--citrus);text-transform:uppercase;}

/* ---------- Pricing ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);}
@media (max-width:900px){.pricing{grid-template-columns:1fr;}}
.plan{background:var(--panel);padding:34px 26px;text-align:center;position:relative;}
.plan.best{background:var(--panel-2);}
.plan .flag{
  position:absolute;top:0;left:50%;transform:translate(-50%,-50%);
  background:var(--citrus);color:var(--ink);
  font-family:'JetBrains Mono',monospace;font-size:.62rem;font-weight:600;letter-spacing:.1em;
  padding:5px 14px;text-transform:uppercase;
}
.plan .qty{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.1em;color:var(--slate);text-transform:uppercase;}
.plan .price{font-family:'Space Grotesk',sans-serif;font-size:2.6rem;color:var(--lime);margin:10px 0 2px;}
.plan .per{color:var(--slate);font-size:.85rem;margin-bottom:22px;}
.plan .total{font-size:.78rem;color:var(--slate);margin-top:14px;font-family:'JetBrains Mono',monospace;}

/* ---------- Guarantee ---------- */
.guarantee{display:grid;grid-template-columns:.5fr 1fr;gap:56px;align-items:center;}
@media (max-width:820px){.guarantee{grid-template-columns:1fr;text-align:center;}}
.seal-badge{
  width:200px;height:200px;
  border:1px solid var(--lime);
  display:flex;align-items:center;justify-content:center;margin:0 auto;
  background:var(--ink);color:var(--paper);text-align:center;
  font-family:'Space Grotesk',sans-serif;padding:20px;
  clip-path:polygon(24px 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%,0 24px);
}
#guarantee.band-guarantee{
  position:relative;
  background:linear-gradient(rgba(12,18,16,.90), rgba(12,18,16,.94)), url('https://images.unsplash.com/photo-1542013936693-884638332954?auto=format&fit=crop&w=1600&q=70') center/cover;
}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:22px 4px;font-family:'Space Grotesk',sans-serif;font-size:1.05rem;color:var(--paper);display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:20px;}
.faq-q .plus{font-family:'JetBrains Mono',monospace;color:var(--lime);font-size:1.3rem;transition:transform .2s;flex:none;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding:0 4px 22px;color:#9fab9f;font-size:.94rem;max-width:70ch;}
.faq-a ul{margin:0 0 20px;padding-left:24px;color:#9fab9f;font-size:.94rem;}

/* ---------- Footer ---------- */
footer{background:#080c0a;color:#7d897f;padding:60px 0 26px;font-size:.88rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
footer h5{font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--citrus);margin-bottom:16px;}
footer a{color:#a9b3ab;display:block;margin-bottom:10px;}
footer a:hover{color:var(--lime);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand img{height:32px;width:32px;}
.disclaimer{border-top:1px solid rgba(255,255,255,.08);padding-top:28px;color:#5e6a60;font-size:.78rem;line-height:1.7;}
.disclaimer p{margin-bottom:12px;}
.bottom-line{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(255,255,255,.08);margin-top:26px;padding-top:22px;font-size:.78rem;color:#5e6a60;}

/* ---------- Sticky mobile buy bar ---------- */
.sticky-buy{position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--panel);border-top:1px solid var(--line);padding:12px 18px;display:none;align-items:center;justify-content:space-between;gap:14px;}
.sticky-buy .price{color:var(--lime);font-family:'Space Grotesk',sans-serif;font-size:1.1rem;font-weight:700;}
.sticky-buy .price small{display:block;font-family:'JetBrains Mono',monospace;font-size:.6rem;color:var(--citrus);letter-spacing:.08em;}
@media (max-width:760px){.sticky-buy{display:flex;} body{padding-bottom:76px;}}

/* ---------- Legal pages ---------- */
.legal{padding:70px 0 100px;}
.legal .wrap{max-width:820px;}
.legal h1{font-size:2.1rem;margin-bottom:.2em;}
.legal .updated{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--citrus);letter-spacing:.08em;margin-bottom:2.5em;display:block;}
.legal h2{font-size:1.25rem;margin-top:2em;color:var(--lime);}
.legal p, .legal li{color:#b9c2ba;font-size:.97rem;}
.legal ul{padding-left:22px;}
.legal a.inline{color:var(--citrus);text-decoration:underline;}
.breadcrumb{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.08em;color:var(--citrus);text-transform:uppercase;margin-bottom:20px;display:inline-block;}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line);border:1px solid var(--line);}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{background:var(--panel);padding:28px;}
.contact-card h3{font-size:1rem;margin-bottom:14px;color:var(--lime);}
.contact-card p{font-size:.94rem;}

.small{font-size:.82rem;color:var(--slate);}
.center{text-align:center;}