*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Archivo','Helvetica Neue',Arial,sans-serif;
  color:var(--ink);background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-weight:400;
}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none;color:inherit}

:root{
  --bg:#FFFFFF;
  --bg-soft:#F5F5F2;
  --bg-dark:#1A1A20;
  --ink:#1A1A20;
  --ink-soft:#3A3A42;
  --mute:#7A7A82;
  --line:#E2E2DE;
  --line-soft:#ECECE8;
  --navy:#2E2A5C;
  --navy-deep:#1E1B44;
  --navy-soft:#E5E3F1;
  --teal:#1F5A52;
  --teal-deep:#123E38;
  --teal-soft:#D4E5E1;
  --orange:#E97D2C;
  --orange-deep:#C45F0E;
  --orange-soft:#FBE5D1;
  --font-display:'Archivo Black','Helvetica Neue',Arial,sans-serif;
  --font-body:'Archivo','Helvetica Neue',Arial,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(0.22,1,0.36,1);
}

.eyebrow{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--orange-deep);font-weight:500;
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--orange-deep)}
.mono{font-family:var(--font-mono);font-weight:500}
.container{max-width:1320px;margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 24px}}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(26,26,32,0.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.nav-inner{
  max-width:1320px;margin:0 auto;padding:14px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-logo img{height:30px;width:auto;display:block}
.nav-back{
  font-family:var(--font-mono);font-size:11px;letter-spacing:0.12em;
  text-transform:uppercase;color:rgba(255,255,255,0.78);
  transition:color 0.25s var(--ease);
  display:inline-flex;align-items:center;gap:8px;
}
.nav-back::before{content:"←";transition:transform 0.25s var(--ease)}
.nav-back:hover{color:var(--orange)}
.nav-back:hover::before{transform:translateX(-4px)}
@media(max-width:768px){
  .nav-inner{padding:12px 20px}
  .nav-logo img{height:26px}
  .nav-back span{display:none}
}

/* ============ HERO ============ */
.product-hero{
  position:relative;min-height:78vh;padding:80px 0 0;
  background:var(--product-bg,var(--navy));color:#FFFFFF;
  overflow:hidden;display:flex;align-items:center;
}
.hero-inner{
  position:relative;z-index:1;
  max-width:1320px;margin:0 auto;width:100%;
  padding:48px 40px;
  display:grid;grid-template-columns:1.1fr 0.9fr;
  gap:56px;align-items:center;
}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:40px 24px}
  .product-hero{min-height:auto}
}
.hero-text .eyebrow{color:rgba(255,255,255,0.72);margin-bottom:16px}
.hero-text .eyebrow::before{background:rgba(255,255,255,0.72)}
.product-name{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(56px,9vw,128px);letter-spacing:-0.02em;
  color:#FFFFFF;line-height:0.9;margin-bottom:14px;
  text-transform:uppercase;
}
.product-name .accent{color:var(--orange)}
.product-subtitle{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(18px,2vw,24px);color:var(--orange);
  margin-bottom:24px;line-height:1.2;letter-spacing:-0.01em;
  text-transform:uppercase;
}
.product-desc{
  font-size:14.5px;line-height:1.65;color:rgba(255,255,255,0.82);
  margin-bottom:28px;max-width:540px;
}
.hero-stats{
  display:flex;gap:30px;flex-wrap:wrap;
  padding-top:20px;border-top:1px solid rgba(255,255,255,0.2);
}
.hero-stat{display:flex;flex-direction:column;gap:4px}
.hero-stat-val{
  font-family:var(--font-display);font-weight:400;
  font-size:36px;color:#FFFFFF;line-height:1;letter-spacing:-0.02em;
}
.hero-stat-val em{font-style:normal;color:var(--orange);font-size:0.55em;margin-left:2px}
.hero-stat-lbl{
  font-family:var(--font-mono);font-size:10px;letter-spacing:0.14em;
  text-transform:uppercase;color:rgba(255,255,255,0.65);
}
.hero-bag{position:relative;aspect-ratio:0.75;max-width:360px;margin:0 auto}
.hero-bag img{
  position:relative;width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 24px 40px rgba(0,0,0,0.35));
}

/* ============ TECH DATA ============ */
.tech-data{padding:80px 0;background:var(--bg)}
.tech-grid{
  display:grid;grid-template-columns:2fr 1fr;gap:56px;align-items:start;
}
@media(max-width:900px){.tech-grid{grid-template-columns:1fr;gap:36px}}
.tech-main .eyebrow{margin-bottom:12px}
.tech-headline{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(34px,4.6vw,52px);letter-spacing:-0.02em;
  color:var(--ink);line-height:0.95;margin-bottom:32px;
  text-transform:uppercase;
}
.tech-block{margin-bottom:28px}
.tech-block:last-child{margin-bottom:0}
.tech-block-title{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:0.16em;
  text-transform:uppercase;color:var(--orange-deep);font-weight:500;
  margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line-soft);
}
.composition-text{font-size:14px;line-height:1.7;color:var(--ink-soft)}
.composition-text strong{color:var(--ink);font-weight:600}

.analytical-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);background:var(--line);
}
@media(max-width:540px){.analytical-grid{grid-template-columns:repeat(2,1fr)}}
.analytical-cell{
  background:var(--bg);padding:16px 18px;
  display:flex;flex-direction:column;gap:4px;
}
.analytical-cell-val{
  font-family:var(--font-display);font-weight:400;
  font-size:26px;color:var(--ink);letter-spacing:-0.02em;line-height:1;
}
.analytical-cell-lbl{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.12em;
  text-transform:uppercase;color:var(--mute);
}
.additives-text{
  font-family:var(--font-mono);font-size:11.5px;line-height:1.75;
  color:var(--ink-soft);padding:16px 18px;
  background:var(--bg-soft);border:1px solid var(--line-soft);
}
.additives-text strong{color:var(--orange-deep);font-weight:600;display:block;margin-bottom:6px}
.additives-text strong:not(:first-child){margin-top:12px}

/* Sidebar */
.tech-side{position:sticky;top:80px}
@media(max-width:900px){.tech-side{position:static}}
.side-card{
  padding:22px 22px;background:var(--bg-soft);
  border:1px solid var(--line-soft);margin-bottom:12px;
}
.side-card:last-child{margin-bottom:0}
.side-card-title{
  font-family:var(--font-mono);font-size:10px;letter-spacing:0.16em;
  text-transform:uppercase;color:var(--orange-deep);font-weight:500;margin-bottom:10px;
}
.side-card-value{
  font-family:var(--font-display);font-weight:400;
  font-size:26px;color:var(--ink);letter-spacing:-0.02em;
  line-height:1;margin-bottom:6px;text-transform:uppercase;
}
.side-card-desc{font-size:13px;color:var(--ink-soft);line-height:1.55}
.size-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.size-pill{
  padding:8px 14px;border:1.5px solid var(--ink);
  font-family:var(--font-display);font-weight:400;font-size:14px;
  color:var(--ink);letter-spacing:0.03em;background:var(--bg);
  text-transform:uppercase;
}

/* ============ FEEDING ============ */
.feeding-block{
  padding:64px 0;background:var(--bg-soft);
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.feeding-inner{display:grid;grid-template-columns:1fr 2.2fr;gap:48px;align-items:start}
@media(max-width:900px){.feeding-inner{grid-template-columns:1fr;gap:24px}}
.feeding-head .eyebrow{margin-bottom:8px}
.feeding-headline{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(28px,3.4vw,40px);letter-spacing:-0.02em;
  line-height:1;margin-bottom:12px;text-transform:uppercase;
}
.feeding-intro{font-size:13px;line-height:1.65;color:var(--ink-soft)}
.feeding-table{
  width:100%;border-collapse:collapse;
  background:var(--bg);border:1px solid var(--line);
}
.feeding-table th{
  background:var(--ink);color:#FFFFFF;text-align:left;
  padding:12px 14px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:0.12em;
  text-transform:uppercase;font-weight:500;
}
.feeding-table th:not(:first-child){text-align:right}
.feeding-table td{
  padding:11px 14px;border-bottom:1px solid var(--line-soft);
  font-size:13.5px;color:var(--ink-soft);
}
.feeding-table td:not(:first-child){
  text-align:right;font-family:var(--font-display);font-weight:400;
  font-size:15px;color:var(--ink);
}
.feeding-table tr:last-child td{border-bottom:none}

/* ============ FOOTER STRIP ============ */
.footer-strip{background:var(--bg-dark);color:#FFFFFF;padding:40px 0}
.strip-inner{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:30px;align-items:center}
@media(max-width:900px){
  .strip-inner{grid-template-columns:1fr;gap:24px;text-align:center}
}
.strip-prev,.strip-next{
  display:flex;flex-direction:column;gap:4px;
  transition:color 0.25s var(--ease);
}
.strip-prev:hover,.strip-next:hover{color:var(--orange)}
.strip-next{text-align:right;align-items:flex-end}
@media(max-width:900px){.strip-next{text-align:center;align-items:center}}
.strip-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:0.14em;
  text-transform:uppercase;color:rgba(255,255,255,0.5);
}
.strip-name{
  font-family:var(--font-display);font-weight:400;
  font-size:20px;color:#FFFFFF;letter-spacing:-0.01em;
  text-transform:uppercase;
}
.strip-cta{text-align:center}
.strip-cta-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;background:var(--orange);color:#FFFFFF;
  font-family:var(--font-mono);font-size:11px;letter-spacing:0.12em;
  text-transform:uppercase;font-weight:600;
  transition:all 0.3s var(--ease);
}
.strip-cta-btn::after{content:"→";transition:transform 0.25s var(--ease)}
.strip-cta-btn:hover{background:var(--orange-deep);transform:translateY(-2px)}
.strip-cta-btn:hover::after{transform:translateX(4px)}
.strip-cta-hint{
  display:block;margin-top:8px;
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.14em;
  text-transform:uppercase;color:rgba(255,255,255,0.5);
}
.mini-footer{
  background:#0E0E14;color:rgba(255,255,255,0.5);
  padding:16px 0;text-align:center;
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.14em;
  text-transform:uppercase;
}