/* ═══════════════════════════════════════════════════
   ARTEMION SHELL — shared across all pages
   v1.0 · artemion.io
═══════════════════════════════════════════════════ */

/* ── GOOGLE FONTS loaded per-page via <link> ── */

/* ── THEME: DARK ── */
[data-theme="dark"]{
  --bg:#060c18;--bg2:#0a1224;--bg3:#0e182e;--bg4:#152038;
  --surface:rgba(10,18,40,.96);
  --border:rgba(255,255,255,.07);--border2:rgba(255,255,255,.12);--border3:rgba(255,255,255,.22);
  --teal:#00c9a7;--teal2:#1de9c5;--teal-dim:rgba(0,201,167,.12);--teal-glow:rgba(0,201,167,.22);
  --red:#ff4f6a;--amber:#ffa040;--blue:#4d7cff;
  --snow:#e8f0ff;--body-txt:#c8d4f0;--muted:#5a6a8a;--muted2:#8494b8;
  --nav-bg:rgba(5,8,16,.88);
  --card-bg:linear-gradient(180deg,rgba(14,24,46,.97),rgba(10,18,36,.99));
  --card-bg2:rgba(10,18,36,.6);
  --shadow:0 20px 64px rgba(0,0,0,.42);
  --logo-filter:brightness(1.5) saturate(1.1);
  --hero-mesh:radial-gradient(ellipse 70% 60% at 18% 0%,rgba(77,124,255,.1),transparent 55%),
              radial-gradient(ellipse 55% 55% at 78% 10%,rgba(0,201,167,.09),transparent 60%);
}
/* ── THEME: LIGHT ── */
[data-theme="light"]{
  --bg:#f4f7fc;--bg2:#ffffff;--bg3:#eef2f9;--bg4:#e4eaf6;
  --surface:rgba(255,255,255,.96);
  --border:rgba(0,30,80,.09);--border2:rgba(0,30,80,.14);--border3:rgba(0,30,80,.25);
  --teal:#00a88c;--teal2:#00c9a7;--teal-dim:rgba(0,168,140,.1);--teal-glow:rgba(0,168,140,.18);
  --red:#e5344f;--amber:#d07800;--blue:#2d5fe0;
  --snow:#0d1a3e;--body-txt:#2a3a60;--muted:#7a8caa;--muted2:#4a5a7a;
  --nav-bg:rgba(244,247,252,.92);
  --card-bg:linear-gradient(180deg,rgba(255,255,255,.99),rgba(244,247,252,.98));
  --card-bg2:rgba(238,242,249,.75);
  --shadow:0 8px 40px rgba(0,30,80,.10);
  --logo-filter:none;
  --hero-mesh:radial-gradient(ellipse 70% 60% at 18% 0%,rgba(77,124,255,.07),transparent 55%),
              radial-gradient(ellipse 55% 55% at 78% 10%,rgba(0,168,140,.07),transparent 60%);
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;font-size:16px}
body{
  min-height:100vh;
  background:var(--hero-mesh),var(--bg);
  color:var(--body-txt);
  font-family:'Syne',system-ui,sans-serif;
  line-height:1.65;overflow-x:hidden;
  transition:background .35s,color .35s;
}
[data-theme="dark"] body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.028'/%3E%3C/svg%3E");
  opacity:.55;
}
a{text-decoration:none;color:inherit}
img,svg{display:block;max-width:100%;height:auto}
button{font:inherit;border:none;background:none;color:inherit;cursor:pointer}
h1,h2,h3,h4,h5{font-family:'Instrument Serif',serif;font-weight:400;letter-spacing:-.025em;line-height:1.05;color:var(--snow)}

.container{position:relative;z-index:1;width:min(calc(100% - 3rem),1380px);margin-inline:auto;}
.container.wide{width:min(calc(100% - 3rem),1500px);}

/* ── BUTTONS ── */
.btn-ghost,.btn-primary,.btn-outline,.btn-demo,.btn-demo-sm{
  min-height:42px;padding:.7rem 1.25rem;border-radius:9px;
  font-family:'Syne',sans-serif;font-weight:600;font-size:14px;
  letter-spacing:.01em;transition:all .22s;
  display:inline-flex;align-items:center;gap:.45rem;cursor:pointer;
}
.btn-ghost,.btn-outline{border:1px solid var(--border2);background:transparent;color:var(--snow);}
.btn-ghost:hover,.btn-outline:hover{border-color:var(--border3);background:var(--teal-dim);}
.btn-primary,.btn-demo{background:var(--teal);color:#03110f;font-weight:700;border:none;box-shadow:0 8px 28px var(--teal-glow);}
.btn-primary:hover,.btn-demo:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 14px 40px var(--teal-glow);}
.btn-demo-sm{background:var(--teal);color:#03110f;font-weight:700;border:none;font-size:13px;min-height:36px;padding:.5rem 1rem;}
.btn-demo-sm:hover{background:var(--teal2);}

/* ── THEME TOGGLE ── */
.theme-toggle{
  width:40px;height:40px;border-radius:9px;
  border:1px solid var(--border2);background:transparent;
  display:grid;place-items:center;transition:all .2s;flex-shrink:0;color:var(--muted2);
}
.theme-toggle:hover{border-color:var(--border3);background:var(--teal-dim);color:var(--teal);}
.theme-toggle svg{width:17px;height:17px;}
.icon-moon{display:block;}
.icon-sun{display:none;}
[data-theme="light"] .icon-moon{display:none;}
[data-theme="light"] .icon-sun{display:block;}

/* ═══════════════════════════════════════════════════
   SITE HEADER & MEGA NAV
═══════════════════════════════════════════════════ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:var(--nav-bg);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--border);
  transition:background .35s;
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;height:72px;
}
.brand{display:flex;align-items:center;flex-shrink:0;}
.brand img{
  height:50px;min-width:180px;width:auto;object-fit:contain;
  mix-blend-mode:screen;filter:var(--logo-filter);
}
[data-theme="light"] .brand img{mix-blend-mode:normal;filter:none;}

/* Primary nav links */
.nav-primary{display:flex;align-items:center;gap:.25rem;list-style:none;}
.nav-primary > li{position:relative;}
.nav-primary > li > a,
.nav-primary > li > button{
  display:flex;align-items:center;gap:.3rem;
  color:var(--muted2);font-size:14px;font-weight:500;
  padding:.5rem .75rem;border-radius:7px;
  background:none;border:none;cursor:pointer;
  transition:color .2s,background .2s;white-space:nowrap;
  font-family:'Syne',sans-serif;letter-spacing:.01em;
}
.nav-primary > li > a:hover,
.nav-primary > li > button:hover,
.nav-primary > li.open > button{color:var(--snow);background:var(--teal-dim);}
.nav-chevron{width:13px;height:13px;transition:transform .2s;flex-shrink:0;opacity:.6;}
.nav-primary > li.open .nav-chevron{transform:rotate(180deg);}

/* ── DROPDOWN BASE ── */
.nav-dropdown{
  position:absolute;top:calc(100% + .75rem);left:0;
  background:var(--bg2);border:1px solid var(--border2);
  border-radius:14px;box-shadow:0 24px 64px rgba(0,0,0,.45);
  opacity:0;visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .2s,transform .2s,visibility .2s;
  z-index:300;min-width:200px;
  pointer-events:none;
}
.nav-primary > li.open .nav-dropdown{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:all;
}
.nav-dropdown ul{list-style:none;padding:.6rem;}
.nav-dropdown li a{
  display:flex;align-items:center;gap:.65rem;
  padding:.65rem .85rem;border-radius:8px;
  font-size:13.5px;color:var(--muted2);
  transition:background .15s,color .15s;white-space:nowrap;
}
.nav-dropdown li a:hover{background:var(--teal-dim);color:var(--snow);}
.nav-dropdown li a .dd-icon{
  width:28px;height:28px;border-radius:6px;
  background:var(--bg3);border:1px solid var(--border);
  display:grid;place-items:center;flex-shrink:0;font-size:13px;
}
.nav-dropdown li a:hover .dd-icon{background:var(--teal-dim);border-color:rgba(0,201,167,.2);}

/* ── MEGA DROPDOWN (Solutions) ── */
.nav-mega{
  position:absolute;top:calc(100% + .75rem);left:50%;
  transform:translateX(-50%) translateY(-8px);
  background:var(--bg2);border:1px solid var(--border2);
  border-radius:16px;box-shadow:0 24px 64px rgba(0,0,0,.45);
  opacity:0;visibility:hidden;
  transition:opacity .2s,transform .2s,visibility .2s;
  z-index:300;width:680px;
  pointer-events:none;
}
.nav-primary > li.open .nav-mega{
  opacity:1;visibility:visible;
  transform:translateX(-50%) translateY(0);
  pointer-events:all;
}
.mega-inner{display:grid;grid-template-columns:1fr 1fr;gap:0;}
.mega-col{padding:.75rem;}
.mega-col + .mega-col{border-left:1px solid var(--border);}
.mega-col-head{
  font-family:'JetBrains Mono',monospace;
  font-size:10px;font-weight:600;text-transform:uppercase;
  letter-spacing:.12em;color:var(--muted);
  padding:.4rem .85rem .75rem;
}
.mega-col ul{list-style:none;}
.mega-col li a{
  display:flex;align-items:center;gap:.65rem;
  padding:.6rem .85rem;border-radius:8px;
  font-size:13.5px;color:var(--muted2);
  transition:background .15s,color .15s;
}
.mega-col li a:hover{background:var(--teal-dim);color:var(--snow);}
.mega-col li a .dd-icon{
  width:26px;height:26px;border-radius:6px;
  background:var(--bg3);border:1px solid var(--border);
  display:grid;place-items:center;flex-shrink:0;font-size:12px;
}
.mega-col li a:hover .dd-icon{background:var(--teal-dim);border-color:rgba(0,201,167,.2);}

/* ── NAV ACTIONS ── */
.nav-actions{display:flex;align-items:center;gap:.6rem;flex-shrink:0;}

/* ── MOBILE HAMBURGER ── */
.nav-hamburger{
  display:none;width:40px;height:40px;border-radius:9px;
  border:1px solid var(--border2);background:transparent;
  align-items:center;justify-content:center;color:var(--muted2);
}
.nav-hamburger svg{width:20px;height:20px;}

/* ── MOBILE DRAWER ── */
.nav-mobile{
  display:none;position:fixed;inset:72px 0 0;
  background:var(--bg2);border-top:1px solid var(--border);
  overflow-y:auto;z-index:190;
  padding:1.5rem;
  flex-direction:column;gap:.25rem;
}
.nav-mobile.open{display:flex;}
.mobile-section{margin-bottom:1rem;}
.mobile-section-head{
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;color:var(--muted);
  padding:.4rem .5rem .75rem;
}
.mobile-section a{
  display:block;padding:.7rem .85rem;border-radius:8px;
  font-size:14px;color:var(--muted2);transition:background .15s,color .15s;
}
.mobile-section a:hover{background:var(--teal-dim);color:var(--snow);}

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
.site-footer{
  position:relative;z-index:1;
  border-top:1px solid var(--border);
  background:var(--bg2);padding:4.5rem 0 2rem;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.8fr 1fr 1fr 1fr 1fr;
  gap:2.5rem;padding-bottom:3rem;
  border-bottom:1px solid var(--border);margin-bottom:2rem;
}
.foot-brand .brand{margin-bottom:1.1rem;}
.foot-tagline{max-width:22rem;color:var(--muted2);font-size:13.5px;line-height:1.75;margin-bottom:1.5rem;}
.foot-social{display:flex;gap:.6rem;}
.foot-social a{
  width:36px;height:36px;border-radius:8px;
  border:1px solid var(--border2);
  display:grid;place-items:center;
  color:var(--muted2);transition:all .2s;
}
.foot-social a:hover{border-color:var(--teal);color:var(--teal);background:var(--teal-dim);}
.foot-social svg{width:16px;height:16px;}
.foot-col-head{
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
  margin-bottom:1.1rem;
}
.foot-col ul{list-style:none;display:grid;gap:.55rem;}
.foot-col a{color:var(--muted2);font-size:13.5px;transition:color .2s;}
.foot-col a:hover{color:var(--snow);}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:1rem;
  font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--muted);
}
.foot-legal{display:flex;gap:1.5rem;}
.foot-legal a{color:var(--muted);transition:color .2s;}
.foot-legal a:hover{color:var(--snow);}
.foot-badges{display:flex;align-items:center;gap:.75rem;}
.foot-badge{
  font-family:'JetBrains Mono',monospace;font-size:9px;font-weight:600;
  text-transform:uppercase;letter-spacing:.1em;
  border:1px solid var(--border2);border-radius:5px;
  padding:.25rem .6rem;color:var(--muted);
}

/* ── NEWSLETTER BAR (footer) ── */
.newsletter-bar{
  background:var(--bg3);border:1px solid var(--border2);
  border-radius:14px;padding:2rem 2.5rem;
  display:flex;align-items:center;justify-content:space-between;
  gap:2rem;flex-wrap:wrap;margin-bottom:3rem;
}
.newsletter-bar h4{font-size:1.35rem;color:var(--snow);}
.newsletter-bar p{font-size:13.5px;color:var(--muted2);margin-top:.3rem;}
.newsletter-form{display:flex;gap:.6rem;flex-wrap:wrap;}
.newsletter-input{
  flex:1;min-width:220px;height:42px;
  background:var(--bg2);border:1px solid var(--border2);
  border-radius:8px;padding:0 1rem;
  font-family:'Syne',sans-serif;font-size:13.5px;color:var(--snow);
  transition:border-color .2s;outline:none;
}
.newsletter-input::placeholder{color:var(--muted);}
.newsletter-input:focus{border-color:var(--teal);}

/* ═══════════════════════════════════════════════════
   SHARED PAGE COMPONENTS
═══════════════════════════════════════════════════ */

/* Eyebrow label */
.eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--teal);
  margin-bottom:1rem;display:block;
}

/* Section wrapper */
.section{position:relative;z-index:1;padding:6.5rem 0;border-top:1px solid var(--border);}
.section.alt{background:var(--card-bg2);border-bottom:1px solid var(--border);}
.section.flush{border-top:none;}

/* Section header */
.section-head{
  display:grid;grid-template-columns:.75fr 1.25fr;
  gap:3rem;align-items:end;margin-bottom:3.5rem;
}
.section-head h2{font-size:clamp(2.2rem,3.8vw,3.4rem);max-width:14ch;}
.section-head p{color:var(--muted2);font-size:15.5px;line-height:1.85;max-width:40rem;}
.section-head-center{text-align:center;margin-bottom:3.5rem;}
.section-head-center h2{font-size:clamp(2.2rem,3.8vw,3.4rem);}
.section-head-center p{color:var(--muted2);font-size:15.5px;line-height:1.85;max-width:44rem;margin:.75rem auto 0;}

/* Cards */
.card{
  background:var(--card-bg);border:1px solid var(--border2);
  border-radius:16px;padding:2rem;box-shadow:var(--shadow);
}
.card h3{font-size:1.65rem;margin-bottom:.85rem;}
.card p{color:var(--muted2);font-size:15px;line-height:1.8;}
.card:hover{border-color:var(--border3);}

/* Dot */
.dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--teal);box-shadow:0 0 8px var(--teal-glow);
  animation:pulse 2s ease-in-out infinite;flex-shrink:0;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}

/* Badge */
.badge-pill{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--bg3);border:1px solid var(--border2);
  border-radius:999px;padding:.45rem 1rem;
  font-family:'JetBrains Mono',monospace;font-size:11px;
  color:var(--muted2);text-transform:uppercase;letter-spacing:.09em;
}

/* List */
.check-list{display:grid;gap:.85rem;margin-top:1.25rem;}
.check-list li{
  list-style:none;position:relative;
  padding-left:1.4rem;color:var(--muted2);font-size:15px;line-height:1.7;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62rem;
  width:7px;height:7px;border-radius:50%;background:var(--teal);
}
.check-list li strong{color:var(--snow);font-weight:600;}

/* Page hero (sub-pages) */
.page-hero{
  padding:6rem 0 5rem;position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(var(--border2) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 50%,black,transparent 75%);
}
.page-hero .container{position:relative;z-index:1;}
.page-hero h1{font-size:clamp(2.8rem,5vw,4.4rem);max-width:14ch;margin-bottom:1.25rem;}
.page-hero p{font-size:17px;color:var(--muted2);max-width:36rem;line-height:1.85;margin-bottom:2rem;}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* Mono text */
.mono{font-family:'JetBrains Mono',monospace;}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media(max-width:1100px){
  .foot-grid{grid-template-columns:1fr 1fr 1fr;}
  .foot-brand{grid-column:1/-1;}
}
@media(max-width:960px){
  .nav-primary{display:none;}
  .nav-hamburger{display:flex;}
  .section-head{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  .nav-actions .btn-ghost{display:none;}
  .brand img{height:40px;min-width:140px;}
  .foot-grid{grid-template-columns:1fr;}
  .newsletter-bar{flex-direction:column;align-items:flex-start;}
  .section{padding:4rem 0;}
}