/* ============================================================
   THE AMERICAN BATTERY — Main Stylesheet v2
   Typography scale: 80px hero → 52px h1 → 36px h2 → 22px h3 → 17px body → 13px min
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700;800;900&family=Barlow:wght@300;400;500;600&display=swap');

:root {
  --white:#FFFFFF; --off-white:#F8F9FB; --light:#F0F4F8;
  --light-mid:#E2E8F0; --mid:#CBD5E1; --steel:#94A3B8;
  --body:#4B5563; --dark:#1E293B; --darkest:#0F172A;
  --blue:#0369A1; --blue-mid:#0EA5E9; --blue-light:#BAE6FD; --blue-xlight:#E0F2FE;
  --amber:#B45309; --amber-mid:#F59E0B; --amber-light:#FEF3C7; --amber-xlight:#FFFBEB;
  --green:#15803D; --green-light:#DCFCE7;
  --red:#DC2626; --border:#E2E8F0; --border-strong:#CBD5E1;
  --nav-h:76px;
  --radius:4px;
  /* Typography scale */
  --fs-hero:clamp(52px,7.5vw,80px);
  --fs-h1:clamp(36px,5vw,52px);
  --fs-h2:clamp(26px,3.5vw,36px);
  --fs-h3:22px;
  --fs-h4:18px;
  --fs-body:17px;
  --fs-small:15px;
  --fs-label:13px;
  --fs-micro:12px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Barlow',sans-serif;background:var(--white);color:var(--dark);overflow-x:hidden;line-height:1.65;font-size:var(--fs-body);}
a{color:var(--blue);text-decoration:none;}
a:hover{color:var(--amber);}
img{max-width:100%;height:auto;display:block;}
#particle-canvas{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:.15;}

/* ═══════════════════════════════════════
   NAVIGATION WITH DROPDOWNS
═══════════════════════════════════════ */
#main-nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;align-items:stretch;justify-content:space-between;
  padding:0 48px;height:var(--nav-h);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
#main-nav.scrolled{box-shadow:0 2px 20px rgba(15,23,42,.09);}
.nav-logo{
  font-family:'Barlow Condensed',sans-serif;font-weight:900;
  font-size:18px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--darkest);display:flex;align-items:center;gap:10px;
  text-decoration:none;flex-shrink:0;
}
.nav-logo-icon{
  width:28px;height:28px;flex-shrink:0;
  background:linear-gradient(135deg,var(--amber-mid),var(--blue-mid));
  clip-path:polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
}

/* Top-level link list */
.nav-links{
  display:flex;align-items:stretch;list-style:none;gap:0;
  margin:0 24px;
}
.nav-links > li{
  display:flex;align-items:stretch;position:relative;
}
.nav-links > li > a,
.nav-links > li > button{
  font-family:'Barlow Condensed',sans-serif;font-weight:600;
  font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;
  color:var(--dark);display:flex;align-items:center;gap:5px;
  padding:0 14px;background:none;border:none;cursor:pointer;
  white-space:nowrap;transition:color .2s;
  border-bottom:2px solid transparent;
}
.nav-links > li > a:hover,
.nav-links > li > button:hover,
.nav-links > li.has-dropdown:hover > button{
  color:var(--blue);border-bottom-color:var(--blue);
}
.nav-links > li > a.active,
.nav-links > li > button.active{
  color:var(--blue);border-bottom-color:var(--blue);
}
.nav-arrow{font-size:9px;opacity:.5;transition:transform .2s;}
.nav-links > li.has-dropdown:hover .nav-arrow{transform:rotate(180deg);}

/* Dropdown panel */
.nav-dropdown{
  position:absolute;top:100%;left:0;
  background:var(--white);
  border:1px solid var(--border);
  border-top:2px solid var(--blue);
  box-shadow:0 8px 32px rgba(15,23,42,.1);
  min-width:220px;z-index:300;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s,transform .2s,visibility .2s;
  pointer-events:none;
}
.nav-links > li.has-dropdown:hover .nav-dropdown{
  opacity:1;visibility:visible;transform:translateY(0);
  pointer-events:all;
}
/* Wide dropdown for minerals */
.nav-dropdown.wide{min-width:480px;display:grid;grid-template-columns:1fr 1fr;gap:0;}
.nav-dropdown.triple{min-width:540px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;}
.nav-dropdown-section{padding:12px 0;}
.nav-dropdown-label{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--steel);padding:8px 20px 6px;display:block;
  border-bottom:1px solid var(--border);margin-bottom:4px;
}
.nav-dropdown a{
  display:block;padding:9px 20px;font-size:var(--fs-small);
  color:var(--dark);transition:background .15s,color .15s;
  border-left:2px solid transparent;
}
.nav-dropdown a:hover{
  background:var(--off-white);color:var(--blue);
  border-left-color:var(--blue);
}
.nav-dropdown .mineral-sym{
  display:inline-block;width:26px;font-family:'Barlow Condensed',sans-serif;
  font-weight:700;color:var(--blue);font-size:15px;
}

/* CTA button */
.nav-cta{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;
  color:var(--white);background:var(--darkest);border:none;
  padding:0 24px;cursor:pointer;height:40px;align-self:center;
  clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
  transition:background .2s,transform .15s;white-space:nowrap;flex-shrink:0;
}
.nav-cta:hover{background:var(--blue);transform:translateY(-1px);}

/* Mobile toggle */
.nav-mobile-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:8px;align-self:center;
}
.nav-mobile-toggle span{display:block;width:22px;height:2px;background:var(--dark);transition:all .25s;border-radius:1px;}
.nav-mobile-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}
.nav-mobile-toggle.open span:nth-child(2){opacity:0;}
.nav-mobile-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px);}

/* Mobile nav panel */
.mobile-nav{
  display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;
  background:var(--white);z-index:199;overflow-y:auto;
  border-top:1px solid var(--border);
}
.mobile-nav.open{display:block;}
.mobile-nav-inner{padding:16px 24px 40px;}
.mobile-section{border-bottom:1px solid var(--border);margin-bottom:4px;}
.mobile-section-header{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:var(--fs-h4);letter-spacing:.06em;text-transform:uppercase;
  color:var(--darkest);padding:14px 0;display:flex;justify-content:space-between;
  align-items:center;cursor:pointer;
}
.mobile-section-header .m-arrow{font-size:12px;color:var(--steel);transition:transform .2s;}
.mobile-section-header.open .m-arrow{transform:rotate(180deg);}
.mobile-sub{display:none;padding:4px 0 16px 12px;}
.mobile-sub.open{display:block;}
.mobile-sub a{
  display:block;font-size:var(--fs-small);color:var(--body);
  padding:9px 0;border-bottom:1px solid var(--light-mid);
}
.mobile-sub a:hover{color:var(--blue);}
.mobile-direct > a{
  display:block;font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:var(--fs-h4);letter-spacing:.06em;text-transform:uppercase;
  color:var(--darkest);padding:14px 0;border-bottom:1px solid var(--border);
}
.mobile-cta{
  display:block;margin-top:20px;font-family:'Barlow Condensed',sans-serif;
  font-weight:700;font-size:var(--fs-small);letter-spacing:.1em;text-transform:uppercase;
  color:var(--white);background:var(--darkest);padding:16px 24px;text-align:center;
  clip-path:polygon(10px 0%,100% 0%,calc(100% - 10px) 100%,0% 100%);
}

/* ═══════════════════════════════════════
   HERO SLIDER
═══════════════════════════════════════ */
.hero-slider-wrap{
  position:relative;height:100vh;min-height:580px;overflow:hidden;
  display:flex;flex-direction:column;background:var(--darkest);
}
.slider-track{
  display:flex;height:100%;width:100%;
  transition:transform .8s cubic-bezier(.77,0,.175,1);
}
.slide{
  flex:0 0 100%;height:100%;position:relative;overflow:hidden;
}
.slide-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transition:transform 8s ease;
}
.slide.active .slide-bg{transform:scale(1.06);}
.slide-overlay{
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(15,23,42,.88) 0%,rgba(15,23,42,.55) 55%,rgba(15,23,42,.2) 100%);
}
.slide-content{
  position:absolute;inset:0;display:flex;flex-direction:column;
  justify-content:center;padding:0 10% 80px;max-width:760px;
}
.slide-tag{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:var(--fs-label);letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber-mid);margin-bottom:18px;display:flex;align-items:center;gap:10px;
  opacity:0;transition:opacity .6s .3s,transform .6s .3s;transform:translateY(16px);
}
.slide-tag::before{content:'';width:32px;height:2px;background:var(--amber-mid);}
.slide.active .slide-tag{opacity:1;transform:translateY(0);}
.slide-title{
  font-family:'Barlow Condensed',sans-serif;font-weight:900;
  font-size:var(--fs-hero);line-height:.92;text-transform:uppercase;
  color:var(--white);margin-bottom:22px;letter-spacing:-.01em;
  opacity:0;transition:opacity .6s .45s,transform .6s .45s;transform:translateY(20px);
}
.slide-title em{font-style:normal;color:var(--amber-mid);}
.slide.active .slide-title{opacity:1;transform:translateY(0);}
.slide-body{
  font-size:var(--fs-h4);color:rgba(255,255,255,.65);
  line-height:1.7;max-width:540px;
  opacity:0;transition:opacity .6s .6s,transform .6s .6s;transform:translateY(16px);
}
.slide.active .slide-body{opacity:1;transform:translateY(0);}
.slide-ctas{
  display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;
  opacity:0;transition:opacity .6s .75s;
}
.slide.active .slide-ctas{opacity:1;}

/* Slider controls */
.slider-controls{
  position:absolute;bottom:0;left:0;right:0;
  display:flex;align-items:stretch;
  background:rgba(255,255,255,.06);backdrop-filter:blur(8px);
  border-top:1px solid rgba(255,255,255,.1);z-index:10;
}
.slide-dot-btn{
  flex:1;padding:18px 12px;cursor:pointer;border:none;
  background:transparent;border-right:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;gap:12px;transition:background .2s;
  text-align:left;
}
.slide-dot-btn:last-child{border-right:none;}
.slide-dot-btn:hover{background:rgba(255,255,255,.08);}
.slide-dot-btn.active{background:rgba(14,165,233,.15);}
.slide-dot-num{
  font-family:'Barlow Condensed',sans-serif;font-weight:900;
  font-size:20px;color:rgba(255,255,255,.2);
  transition:color .2s;flex-shrink:0;
}
.slide-dot-btn.active .slide-dot-num{color:var(--amber-mid);}
.slide-dot-text{font-family:'Barlow Condensed',sans-serif;font-weight:600;
  font-size:var(--fs-label);letter-spacing:.08em;text-transform:uppercase;
  color:rgba(255,255,255,.4);transition:color .2s;line-height:1.3;}
.slide-dot-btn.active .slide-dot-text{color:rgba(255,255,255,.85);}
.slide-dot-bar{
  position:absolute;bottom:0;left:0;height:2px;background:var(--blue-mid);
  transition:width linear;
}
/* Prev/Next arrows */
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%) translateY(-32px);
  width:48px;height:48px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);color:var(--white);
  font-size:20px;cursor:pointer;z-index:11;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;backdrop-filter:blur(4px);
}
.slider-arrow:hover{background:rgba(255,255,255,.2);}
.slider-arrow.prev{left:24px;}
.slider-arrow.next{right:24px;}

/* ═══════════════════════════════════════
   SHARED LAYOUT
═══════════════════════════════════════ */
body{padding-top:var(--nav-h);}
section{position:relative;z-index:1;}
/* Hero section override - no top pad needed */
.hero-slider-wrap{margin-top:calc(-1 * var(--nav-h));}

.section-inner{max-width:1200px;margin:0 auto;padding:0 48px;}
.section-pad{padding:96px 0;}
.section-pad-sm{padding:64px 0;}

.section-eyebrow{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:var(--fs-label);letter-spacing:.28em;text-transform:uppercase;
  color:var(--blue);margin-bottom:12px;display:block;
}
.section-title{
  font-family:'Barlow Condensed',sans-serif;font-weight:900;
  font-size:var(--fs-h1);line-height:.95;text-transform:uppercase;
  letter-spacing:-.01em;color:var(--darkest);
}
.section-title em{font-style:normal;color:var(--amber);}
.section-title .blue-accent{color:var(--blue);}
.section-body{
  font-size:var(--fs-body);font-weight:400;color:var(--body);
  line-height:1.78;max-width:560px;margin-top:16px;
}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}.reveal-delay-2{transition-delay:.2s;}
.reveal-delay-3{transition-delay:.3s;}.reveal-delay-4{transition-delay:.4s;}
.reveal-delay-5{transition-delay:.5s;}

/* ═══════════════════════════════════════
   BUTTONS
═══════════════════════════════════════ */
.btn-primary,.btn-secondary,.btn-amber,.btn-outline-light{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;
  padding:14px 36px;cursor:pointer;border:none;display:inline-block;
  clip-path:polygon(10px 0%,100% 0%,calc(100% - 10px) 100%,0% 100%);
  transition:all .2s;text-decoration:none;white-space:nowrap;
}
.btn-primary{color:var(--white);background:var(--darkest);}
.btn-primary:hover{background:var(--blue);color:var(--white);transform:translateY(-2px);}
.btn-secondary{color:var(--blue);background:transparent;border:1.5px solid var(--blue-mid);clip-path:none;}
.btn-secondary:hover{background:var(--blue-light);transform:translateY(-2px);}
.btn-amber{color:var(--white);background:var(--amber);}
.btn-amber:hover{background:var(--amber-mid);color:var(--darkest);transform:translateY(-2px);}
.btn-outline-light{color:rgba(255,255,255,.85);background:transparent;border:1.5px solid rgba(255,255,255,.3);clip-path:none;}
.btn-outline-light:hover{background:rgba(255,255,255,.1);color:var(--white);}

/* ═══════════════════════════════════════
   TICKER
═══════════════════════════════════════ */
.ticker-wrap{overflow:hidden;background:var(--darkest);padding:11px 0;position:relative;z-index:1;}
.ticker-inner{display:flex;animation:ticker 30s linear infinite;width:max-content;}
.ticker-item{
  font-family:'Barlow Condensed',sans-serif;font-weight:600;
  font-size:var(--fs-label);letter-spacing:.15em;text-transform:uppercase;
  color:rgba(255,255,255,.45);padding:0 32px;white-space:nowrap;
  display:flex;align-items:center;gap:12px;
}
.ticker-dot{width:4px;height:4px;background:var(--amber-mid);border-radius:50%;flex-shrink:0;}
@keyframes ticker{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* ═══════════════════════════════════════
   SECURITY SECTION (dark)
═══════════════════════════════════════ */
.security-section{background:var(--darkest);}
.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
.security-cards{display:flex;flex-direction:column;gap:2px;}
.security-card{
  display:flex;align-items:flex-start;gap:18px;padding:22px 24px;
  background:rgba(255,255,255,.04);border-left:3px solid transparent;
  transition:background .3s,border-color .3s;
}
.security-card:hover{background:rgba(255,255,255,.07);border-left-color:var(--amber-mid);}
.security-icon{width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:rgba(245,158,11,.12);font-size:20px;}
.security-card h3{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-h4);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;color:var(--white);}
.security-card p{font-size:var(--fs-small);color:rgba(255,255,255,.45);line-height:1.65;}

/* ═══════════════════════════════════════
   VALUE CHAIN
═══════════════════════════════════════ */
.chain-section{background:var(--white);}
.chain-divider{width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--blue-mid),var(--amber-mid),var(--blue-mid),transparent);opacity:.3;margin:48px 0 0;}
.chain-steps{display:grid;grid-template-columns:repeat(6,1fr);}
.chain-step{
  padding:28px 16px 32px;border-right:1px solid var(--border);border-top:1px solid var(--border);
  cursor:pointer;transition:background .25s;
}
.chain-step:first-child{border-left:1px solid var(--border);}
.chain-step:hover{background:var(--off-white);}
.chain-step:hover .chain-num{background:var(--amber);color:var(--white);border-color:var(--amber);}
.chain-num{
  width:40px;height:40px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;
  font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:17px;
  color:var(--amber);border:2px solid var(--amber-mid);background:var(--amber-light);
  transition:all .25s;
}
.chain-step h4{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-label);letter-spacing:.07em;text-transform:uppercase;color:var(--darkest);margin-bottom:8px;line-height:1.3;}
.chain-step p{font-size:var(--fs-micro);color:var(--steel);line-height:1.55;}

/* ═══════════════════════════════════════
   MINERALS GRID
═══════════════════════════════════════ */
.minerals-section{background:var(--off-white);}
.minerals-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;margin-top:48px;}
.mineral-card{
  padding:26px 20px;background:var(--white);border:1px solid var(--border);
  cursor:pointer;position:relative;overflow:hidden;transition:all .25s;
  text-decoration:none;display:block;
}
.mineral-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue-mid),var(--amber-mid));transform:scaleX(0);transform-origin:left;transition:transform .28s;}
.mineral-card:hover{box-shadow:0 4px 20px rgba(15,23,42,.08);transform:translateY(-2px);}
.mineral-card:hover::after{transform:scaleX(1);}
.mineral-symbol{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:36px;color:var(--blue);line-height:1;margin-bottom:8px;display:block;transition:color .25s;}
.mineral-card:hover .mineral-symbol{color:var(--amber);}
.mineral-name{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-label);text-transform:uppercase;letter-spacing:.08em;color:var(--darkest);margin-bottom:5px;}
.mineral-role{font-size:var(--fs-micro);color:var(--body);line-height:1.5;}
.mineral-arrow{position:absolute;top:16px;right:16px;font-size:15px;color:var(--blue);opacity:0;transition:opacity .25s,transform .25s;transform:translate(-4px,4px);}
.mineral-card:hover .mineral-arrow{opacity:1;transform:translate(0,0);}

/* ═══════════════════════════════════════
   APPLICATIONS GRID
═══════════════════════════════════════ */
.apps-section{background:var(--white);}
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:48px;}
.app-card{position:relative;overflow:hidden;aspect-ratio:4/3;cursor:pointer;text-decoration:none;display:block;}
.app-card.featured{grid-row:span 2;aspect-ratio:unset;}
.app-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s cubic-bezier(.25,.46,.45,.94);}
.app-card:hover .app-bg{transform:scale(1.06);}
.app-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;}
.app-tag{display:inline-block;font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--amber-mid);background:rgba(15,23,42,.65);padding:4px 10px;margin-bottom:10px;width:fit-content;backdrop-filter:blur(4px);}
.app-title{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:var(--fs-h3);text-transform:uppercase;color:#fff;line-height:1;margin-bottom:8px;}
.app-desc{font-size:var(--fs-small);color:rgba(255,255,255,.75);line-height:1.55;}

/* ═══════════════════════════════════════
   CELL TECHNOLOGY SECTION
═══════════════════════════════════════ */
.cell-tech-section{background:var(--light);}
.cell-tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;}
.chemistry-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.chem-card{
  padding:24px;background:var(--white);border:1.5px solid var(--border);
  transition:all .25s;cursor:pointer;text-decoration:none;display:block;
}
.chem-card:hover{border-color:var(--blue-mid);box-shadow:0 4px 16px rgba(15,23,42,.07);transform:translateY(-2px);}
.chem-name{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:var(--fs-h3);text-transform:uppercase;letter-spacing:.03em;color:var(--darkest);margin-bottom:6px;}
.chem-formula{font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:10px;}
.chem-desc{font-size:var(--fs-small);color:var(--body);line-height:1.6;}
.chem-tag{display:inline-block;font-size:var(--fs-micro);font-family:'Barlow Condensed',sans-serif;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:3px 8px;margin-top:10px;background:var(--blue-xlight);color:var(--blue);border:1px solid var(--blue-light);}
.chem-tag.amber{background:var(--amber-light);color:var(--amber);border-color:var(--amber-mid);}

/* ═══════════════════════════════════════
   AMERICA FIRST
═══════════════════════════════════════ */
.america-section{background:var(--light);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.america-inner{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
.america-visual{position:relative;height:400px;display:flex;align-items:center;justify-content:center;}
.supply-list{list-style:none;margin-top:24px;}
.supply-item{display:flex;align-items:flex-start;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);font-size:var(--fs-small);color:var(--body);transition:color .2s;}
.supply-item:hover{color:var(--darkest);}
.supply-check{width:22px;height:22px;flex-shrink:0;background:var(--blue-light);border:1.5px solid var(--blue-mid);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:11px;font-weight:700;margin-top:1px;}

/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
.contact-section{background:var(--white);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;}
.contact-form{display:flex;flex-direction:column;gap:16px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{display:flex;flex-direction:column;gap:7px;}
.form-label{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel);}
.form-input,.form-select,.form-textarea{
  background:var(--off-white);border:1.5px solid var(--border);
  color:var(--darkest);font-family:'Barlow',sans-serif;font-size:var(--fs-small);
  padding:13px 15px;outline:none;transition:border-color .2s,background .2s,box-shadow .2s;width:100%;
  border-radius:var(--radius);
}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--blue-mid);background:var(--white);box-shadow:0 0 0 3px rgba(14,165,233,.1);}
.form-select{appearance:none;cursor:pointer;}
.form-textarea{resize:vertical;min-height:120px;}
.form-input::placeholder,.form-textarea::placeholder{color:var(--mid);}
.form-submit{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--white);background:var(--darkest);border:none;padding:16px 36px;cursor:pointer;align-self:flex-start;clip-path:polygon(10px 0%,100% 0%,calc(100% - 10px) 100%,0% 100%);transition:all .2s;}
.form-submit:hover{background:var(--blue);transform:translateY(-2px);}
.address-block{padding:28px;border:1.5px solid var(--border);background:var(--off-white);}
.address-block h3{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:var(--fs-h3);text-transform:uppercase;letter-spacing:.03em;color:var(--darkest);margin-bottom:14px;}
.address-block h3 span{color:var(--amber);}
.address-line{font-size:var(--fs-small);color:var(--body);margin-bottom:5px;}
.address-divider{width:32px;height:2px;background:var(--blue-mid);margin:18px 0;opacity:.5;}
.travel-item{margin-bottom:16px;}
.travel-item h4{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-label);letter-spacing:.08em;text-transform:uppercase;color:var(--darkest);margin-bottom:4px;}
.travel-item p{font-size:var(--fs-small);color:var(--body);line-height:1.65;}
.mission-box{margin-top:18px;padding:22px;border-left:3px solid var(--amber-mid);background:var(--amber-light);}
.mission-box h4{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin-bottom:8px;}
.mission-box p{font-size:var(--fs-small);color:var(--body);line-height:1.7;}

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
#site-footer{background:var(--darkest);padding:56px 0 36px;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-brand .nav-logo{color:var(--white);margin-bottom:14px;display:inline-flex;}
.footer-brand p{font-size:var(--fs-small);color:rgba(255,255,255,.32);line-height:1.7;max-width:240px;margin-top:10px;}
.footer-col h4{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.07);}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:6px;}
.footer-col a{font-size:var(--fs-small);color:rgba(255,255,255,.45);transition:color .2s;}
.footer-col a:hover{color:var(--amber-mid);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid rgba(255,255,255,.07);}
.footer-copy{font-size:var(--fs-micro);color:rgba(255,255,255,.2);}
.footer-tagline{font-family:'Barlow Condensed',sans-serif;font-size:var(--fs-micro);letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.2);}

/* ═══════════════════════════════════════
   INNER PAGE COMPONENTS
═══════════════════════════════════════ */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:var(--fs-small);color:var(--steel);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--steel);transition:color .2s;}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb span{color:var(--dark);}
.breadcrumb-sep{color:var(--mid);}
.page-hero{background:var(--darkest);padding:56px 0;position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 20% 50%,rgba(14,165,233,.08) 0%,transparent 70%);}
.page-hero .breadcrumb a{color:rgba(255,255,255,.35);}
.page-hero .breadcrumb span{color:rgba(255,255,255,.65);}
.page-hero .breadcrumb-sep{color:rgba(255,255,255,.2);}
.mineral-hero-flex{display:flex;align-items:center;gap:28px;}
.mineral-symbol-hero{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:clamp(64px,10vw,110px);color:var(--amber-mid);line-height:1;flex-shrink:0;}
.page-title{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:var(--fs-h1);text-transform:uppercase;color:var(--white);line-height:.95;margin-bottom:10px;}
.page-tagline{font-size:var(--fs-body);color:rgba(255,255,255,.5);line-height:1.65;max-width:500px;}
.stats-bar{background:var(--white);border-bottom:1px solid var(--border);}
.stats-bar-inner{display:flex;}
.stat-block{flex:1;padding:20px 24px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:4px;}
.stat-block:last-child{border-right:none;}
.stat-block-label{font-family:'Barlow Condensed',sans-serif;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--steel);}
.stat-block-value{font-family:'Barlow Condensed',sans-serif;font-size:var(--fs-h4);font-weight:900;color:var(--darkest);}
.stat-block-value.amber{color:var(--amber);}
.stat-block-value.blue{color:var(--blue);}
.content-section{background:var(--white);}
.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:48px;align-items:start;}
.content-main h2{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:var(--fs-h3);text-transform:uppercase;color:var(--darkest);margin:36px 0 12px;letter-spacing:.02em;}
.content-main h2:first-child{margin-top:0;}
.content-main p{font-size:var(--fs-small);color:var(--body);line-height:1.8;margin-bottom:16px;}
.content-main ul{margin:0 0 18px 20px;}
.content-main li{font-size:var(--fs-small);color:var(--body);line-height:1.7;margin-bottom:7px;}
.content-main strong{color:var(--darkest);}
.highlight-box{padding:20px 24px;background:var(--blue-xlight);border-left:3px solid var(--blue-mid);margin:24px 0;}
.highlight-box p{font-size:var(--fs-small);color:var(--dark);line-height:1.7;margin:0;}
.highlight-box.amber{background:var(--amber-light);border-left-color:var(--amber-mid);}
.highlight-box.green{background:var(--green-light);border-left-color:var(--green);}
.content-sidebar{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px;}
.sidebar-card{padding:22px;border:1.5px solid var(--border);background:var(--off-white);}
.sidebar-card h3{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:var(--fs-label);text-transform:uppercase;letter-spacing:.1em;color:var(--darkest);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);}
.sidebar-item{display:flex;justify-content:space-between;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--border);gap:12px;}
.sidebar-item:last-child{border-bottom:none;}
.sidebar-item-label{font-size:var(--fs-micro);color:var(--steel);flex-shrink:0;}
.sidebar-item-value{font-size:var(--fs-micro);color:var(--darkest);font-weight:500;text-align:right;}
.sidebar-mineral-links{display:flex;flex-wrap:wrap;gap:7px;}
.sidebar-mineral-link{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-micro);letter-spacing:.06em;text-transform:uppercase;color:var(--blue);background:var(--blue-xlight);padding:5px 10px;border:1px solid var(--blue-light);transition:all .2s;}
.sidebar-mineral-link:hover{background:var(--blue);color:var(--white);}
.related-section{background:var(--off-white);border-top:1px solid var(--border);}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;margin-top:36px;}
.related-card{padding:22px;background:var(--white);border:1px solid var(--border);text-decoration:none;display:block;transition:all .2s;}
.related-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(15,23,42,.07);}
.related-symbol{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:28px;color:var(--blue);line-height:1;margin-bottom:6px;display:block;}
.related-name{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:var(--fs-label);text-transform:uppercase;letter-spacing:.06em;color:var(--darkest);margin-bottom:4px;}
.related-role{font-size:var(--fs-micro);color:var(--steel);}
.requirements-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:36px;}
.req-card{padding:26px;background:var(--off-white);border:1px solid var(--border);}
.req-icon{font-size:26px;margin-bottom:10px;}
.req-card h4{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:var(--fs-label);text-transform:uppercase;letter-spacing:.07em;color:var(--darkest);margin-bottom:8px;}
.req-card p{font-size:var(--fs-small);color:var(--body);line-height:1.6;}

/* ═══════════════════════════════════════
   STAT BAR ON HOME
═══════════════════════════════════════ */
.home-stats-bar{background:var(--white);border-bottom:1px solid var(--border);position:relative;z-index:1;}
.home-stats-inner{display:flex;}
.home-stat{flex:1;padding:22px 28px;border-right:1px solid var(--border);text-align:center;}
.home-stat:last-child{border-right:none;}
.h-stat-num{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:32px;color:var(--amber);display:block;line-height:1;}
.h-stat-label{font-size:var(--fs-micro);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-top:5px;display:block;}

/* App detail hero */
.app-detail-hero{position:relative;height:55vh;min-height:380px;display:flex;align-items:flex-end;overflow:hidden;}
.app-detail-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.app-detail-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,23,42,.9) 0%,rgba(15,23,42,.3) 60%,transparent 100%);}
.app-detail-content{position:relative;z-index:1;padding:48px 56px;max-width:1200px;margin:0 auto;width:100%;}
.app-detail-title{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:var(--fs-hero);text-transform:uppercase;color:var(--white);line-height:.9;margin-bottom:14px;}
.app-detail-subtitle{font-size:var(--fs-body);color:rgba(255,255,255,.6);max-width:500px;line-height:1.7;}

/* 404 */
.error-page{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px;}
.error-code{font-family:'Barlow Condensed',sans-serif;font-weight:900;font-size:140px;color:var(--light-mid);line-height:1;display:block;}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
@keyframes charge{0%{stroke-dashoffset:600;}100%{stroke-dashoffset:0;}}
@keyframes pulse-glow{0%,100%{filter:drop-shadow(0 0 5px rgba(3,105,161,.2));}50%{filter:drop-shadow(0 0 16px rgba(3,105,161,.45));}}
.battery-charge{stroke-dasharray:600;stroke-dashoffset:600;animation:charge 2.5s .5s ease forwards;}
.battery-pulse{animation:pulse-glow 3s ease-in-out infinite;}

::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-track{background:var(--off-white);}
::-webkit-scrollbar-thumb{background:var(--mid);border-radius:2px;}
::-webkit-scrollbar-thumb:hover{background:var(--blue-mid);}

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media(max-width:1100px){
  #main-nav{padding:0 24px;}
  .nav-links > li > a,.nav-links > li > button{padding:0 10px;font-size:11px;}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:28px;}
}
@media(max-width:900px){
  #main-nav{padding:0 20px;}
  .nav-links,.nav-cta{display:none;}
  .nav-mobile-toggle{display:flex;}
  .section-inner{padding:0 24px;}
  .security-grid,.america-inner,.contact-grid,.content-grid{grid-template-columns:1fr;gap:40px;}
  .content-sidebar{position:static;}
  .chain-steps{grid-template-columns:repeat(3,1fr);}
  .minerals-grid{grid-template-columns:repeat(3,1fr);}
  .apps-grid{grid-template-columns:1fr 1fr;}
  .app-card.featured{grid-row:span 1;aspect-ratio:4/3;}
  .requirements-grid{grid-template-columns:1fr 1fr;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  #site-footer{padding:40px 0 28px;}
  .home-stats-inner{flex-wrap:wrap;}
  .home-stat{min-width:50%;border-bottom:1px solid var(--border);}
  .stats-bar-inner{flex-wrap:wrap;}
  .stat-block{min-width:50%;border-bottom:1px solid var(--border);}
  .chemistry-cards{grid-template-columns:1fr;}
  .cell-tech-grid{grid-template-columns:1fr;}
  .slider-controls{display:none;}
  .app-detail-content{padding:32px 24px;}
  .slide-content{padding:0 6% 80px;}
}
@media(max-width:600px){
  :root{--fs-hero:clamp(44px,12vw,64px);--fs-h1:clamp(30px,8vw,42px);}
  .chain-steps{grid-template-columns:repeat(2,1fr);}
  .minerals-grid{grid-template-columns:repeat(2,1fr);}
  .apps-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .mineral-hero-flex{flex-direction:column;gap:12px;}
  .requirements-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center;}
  .slider-arrow{display:none;}
}