/* Astreon Innovations — design system (tokens, layout, typography, buttons, cards, header, hero) */
/* ============================================================
   ASTREON INNOVATIONS — GLOBAL DESIGN SYSTEM
   Master Website Specification, Volumes 1–8
   ============================================================ */
:root{
  /* Stone & Evergreen — balanced warm mid-tone identity (neither white- nor dark-dominant).
     Warm stone canvas throughout; deep evergreen reserved for links, accents, and primary CTAs;
     evergreen-charcoal reserved for the footer + CTA band. The lightest surface is --card (#F2F0EC),
     never pure white; #FFFFFF appears ONLY as text on evergreen / deep surfaces. */
  --bg:#E9E7E2;              /* warm stone page canvas — the defining mid-tone */
  --bg-2:#DFDCD5;            /* alternate section band — one step deeper */
  --bg-3:#D5D1C8;            /* deep section band — deepest stone neutral */
  --card:#F2F0EC;            /* default surface — slightly lighter than canvas, NOT white */
  --card-border:#C9C4BA;     /* card / panel border */
  --surface-white:#F2F0EC;   /* emphasis surfaces (forms / search / tables / file-chip) — card stone */
  --panel-tint:#F2F0EC;      /* stone fill for SVG/diagram panels */
  --panel-hero:#DFDCD5;      /* metrics band — deeper stone panel */
  --panel-hero-border:#C9C4BA;/* metrics band border */
  --border:#C9C4BA;          /* warm stone border, reads on every band */
  --text:#2B2925;            /* primary text — deep warm charcoal (≈12:1 on canvas) */
  --text-2:#57534B;          /* secondary text — warm gray */
  --text-3:#5E594F;          /* tertiary — warm gray, AA ≥4.5 on ALL stone bands incl. #D5D1C8 (4.57:1) */
  --accent:#2F5D46;          /* deep evergreen — links, active nav, eyebrows, diagram emphasis, focus */
  --accent-link:#2F5D46;     /* evergreen link on stone canvas */
  --accent-hover:#254A38;    /* evergreen hover (darker) */
  --accent-strong:#2F5D46;   /* primary button / CTA fill (white text on top) */
  --ink:#FFFFFF;             /* white text used ON evergreen / deep surfaces */
  --field:#EFEDE8;           /* form input fill token (inputs offset darker; see components) */
  --header-bg:#E9E7E2;       /* stone header (matches canvas) */
  --success:#2F7A4C;
  --danger:#A8453C;
  --warning:#8F6A1F;
  --r-card:16px;
  --r-btn:14px;
  --r-input:14px;
  --r-dialog:20px;
  --r-img:16px;
  --sp-xs:8px;
  --sp-s:16px;
  --sp-m:32px;
  --sp-l:64px;
  --sp-xl:120px;
  --wrap:1264px;
  --header-h:76px;
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-mono:'IBM Plex Mono','SF Mono',Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
  min-height:100vh;
}
img,svg,canvas{display:block;max-width:100%}
a{color:var(--accent-link);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent-hover)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--text)}
::selection{background:rgba(47,93,70,.18);color:inherit}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* Focus visibility — WCAG */
:focus{outline:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
main h1:focus,main h1:focus-visible,#main:focus,#main:focus-visible{outline:none}
.skip-link{
  position:absolute;left:16px;top:-64px;z-index:2000;
  background:var(--accent-strong);color:var(--ink);font-weight:600;
  padding:12px 20px;border-radius:var(--r-btn);transition:top .3s var(--ease);
}
.skip-link:focus{top:16px;color:var(--ink)}

/* Layout */
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:clamp(20px,3.4vw,44px);padding-right:clamp(20px,3.4vw,44px)}
.section{padding:clamp(76px,9vw,150px) 0;position:relative}
.section--tight{padding:clamp(56px,6.5vw,104px) 0}
.section--alt{background:var(--bg-2)}
.section--deep{background:var(--bg-3)}
.section--line{border-top:1px solid var(--border)}

/* Typography */
h1,h2,h3,h4{font-weight:700;letter-spacing:-.025em;line-height:1.12;text-wrap:balance}
h1{font-size:clamp(2.3rem,3.5vw,3.3rem);font-weight:750;line-height:1.08}
h2{font-size:clamp(1.7rem,2.5vw,2.3rem)}
h3{font-size:clamp(1.14rem,1.4vw,1.32rem)}
h4{font-size:1.05rem;letter-spacing:-.01em}
.lead{font-size:clamp(1.04rem,1.25vw,1.19rem);color:var(--text-2);line-height:1.65;max-width:46em}
p{color:var(--text-2);text-wrap:pretty}
.measure{max-width:46em}
strong{color:var(--text);font-weight:600}
.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--accent);
  display:inline-flex;align-items:center;gap:12px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.7}
.eyebrow{margin-bottom:14px}
.section-head{max-width:880px;margin-bottom:clamp(40px,5vw,72px)}
.section-head p{margin-top:14px;max-width:56em}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .eyebrow::before{display:none}
.mono-tag{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-3);
}

/* Buttons — Volume 7 system */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:600;font-size:.95rem;letter-spacing:.01em;line-height:1;
  padding:16px 30px;border-radius:var(--r-btn);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
  white-space:nowrap;
}
.btn svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:var(--accent-strong);color:var(--ink)}
.btn--primary:hover{
  background:var(--accent-hover);color:var(--ink);transform:translateY(-2px);
  box-shadow:0 2px 8px rgba(43,41,37,.10),0 8px 24px rgba(43,41,37,.14);
}
.btn--secondary{background:transparent;color:var(--text);border:1px solid #B5AFA3}
.btn--secondary:hover{color:var(--text);border-color:var(--accent);background:rgba(47,93,70,.08);transform:translateY(-2px)}
.btn--text{padding:6px 2px;color:var(--text);font-weight:600;border-radius:4px;position:relative}
.btn--text::after{content:"";position:absolute;left:2px;right:2px;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.btn--text:hover{color:var(--accent-hover)}
.btn--text:hover::after{transform:scaleX(1)}
.btn--sm{padding:12px 22px;font-size:.88rem}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* Cards — Volume 7 system */
.card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-card);
  padding:clamp(24px,2.1vw,32px);position:relative;
  transition:transform .35s var(--ease),border-color .35s var(--ease),box-shadow .35s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(47,93,70,.35);box-shadow:0 14px 44px rgba(43,41,37,.12)}
.card h3{margin-bottom:10px}
.card p{font-size:.95rem}
.card .icon{margin-bottom:18px}
.card-link-row{margin-top:22px}
a.card-block{display:block;color:inherit}
a.card-block:hover{color:inherit}

/* Thin-line icon system */
.icon{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--bg-2);
  transition:border-color .3s var(--ease)
}
.icon svg{width:21px;height:21px;stroke:var(--text-2);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:stroke .3s var(--ease)}
.card>.icon{display:flex}
.card:hover .icon,.hover-icon:hover .icon{border-color:rgba(47,93,70,.45)}
.card:hover .icon svg,.hover-icon:hover .icon svg{stroke:var(--accent)}

/* Grids */
.grid{display:grid;gap:clamp(16px,1.8vw,26px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,88px);align-items:center}
.split--rev>.split-media{order:-1}

/* Header — permanent white (solid at all times, no scroll flash) */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);
  background:var(--header-bg);border-bottom:1px solid var(--border);
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s var(--ease);
}
/* Scrolled variant neutralized — header stays solid white at all times */
.site-header.scrolled{background:var(--header-bg);border-bottom-color:var(--border)}
.header-inner{max-width:1400px;margin:0 auto;height:100%;padding:0 clamp(20px,2.6vw,36px);display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{width:30px;height:30px;display:block}
.brand-name{font-weight:700;font-size:1.02rem;letter-spacing:.02em;line-height:1.05}
.brand-name small{display:block;font-family:var(--font-mono);font-weight:500;font-size:.56rem;letter-spacing:.34em;color:var(--text-3);text-transform:uppercase;margin-top:2px}
.main-nav{flex:1;display:flex;justify-content:center}
.main-nav ul{display:flex;gap:clamp(6px,1vw,10px)}
.main-nav a{
  display:block;color:#57534B;font-size:.9rem;font-weight:500;
  padding:9px 12px;border-radius:9px;position:relative;
}
.main-nav a:hover{color:#2B2925}
.main-nav a[aria-current="page"]{color:#2B2925}
.main-nav a[aria-current="page"]::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:#57534B;transition:color .25s var(--ease),background .25s var(--ease);
}
.icon-btn:hover{color:#2B2925;background:var(--bg-2)}
.icon-btn svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
/* Header CTA — navy filled pill, white text */
.header-cta{margin-left:10px}
.site-header .header-cta.btn--primary{background:var(--accent-strong);color:var(--ink)}
.site-header .header-cta.btn--primary:hover{background:var(--accent-hover);color:var(--ink);box-shadow:0 2px 8px rgba(43,41,37,.10),0 8px 24px rgba(43,41,37,.14)}
.nav-toggle{display:none}

/* Language selector */
.lang-wrap{position:relative}
.lang-menu{
  position:absolute;top:calc(100% + 12px);right:0;min-width:236px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:10px;box-shadow:0 24px 64px rgba(43,41,37,.16);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
}
.lang-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.lang-menu li button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 12px;border-radius:10px;font-size:.9rem;color:var(--text-2);text-align:left;
}
.lang-menu li button:hover:not([disabled]){background:rgba(47,93,70,.10);color:var(--text)}
.lang-menu li button[aria-checked="true"]{color:var(--text)}
.lang-menu li button[aria-checked="true"] .lang-state{color:var(--success)}
.lang-menu li button[disabled]{cursor:not-allowed;opacity:.5}
.lang-state{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}

/* Mobile navigation overlay — compact, top-aligned, always fits the viewport */
.mobile-nav{
  position:fixed;inset:0;z-index:990;background:#E9E7E2;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;justify-content:flex-start;
  padding:calc(var(--header-h) + 16px) clamp(24px,7vw,64px) calc(24px + env(safe-area-inset-bottom,0px));
  overflow-y:auto;overscroll-behavior:contain;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
.mobile-nav.open{opacity:1;visibility:visible}
.mobile-nav ul{display:flex;flex-direction:column;gap:0}
.mobile-nav li + li{border-top:1px solid var(--border)}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  color:#2B2925;font-size:clamp(1.06rem,4.4vw,1.3rem);font-weight:600;
  letter-spacing:-.01em;line-height:1.3;padding:13px 2px;
}
.mobile-nav a::after{content:"\2192";font-family:var(--font-mono);font-size:.78em;color:var(--text-3);opacity:.7}
.mobile-nav a[aria-current="page"]{color:var(--accent)}
.mobile-nav a[aria-current="page"]::after{color:var(--accent);opacity:1}
/* Mobile-nav CTA: navy filled pill, white text */
.mobile-nav .btn{margin-top:20px;align-self:stretch;justify-content:center}
.mobile-nav .btn--primary{background:var(--accent-strong);color:var(--ink)}
.mobile-nav .btn--primary:hover{background:var(--accent-hover);color:var(--ink)}

/* Hero — solid light canvas (owner removed all imagery/effects) */
.hero{
  position:relative;min-height:min(94svh,820px);display:flex;align-items:center;
  padding:calc(var(--header-h) + 40px) 0 56px;overflow:hidden;
  background:var(--bg);
}
#hero-canvas{display:none}
.hero::after{display:none}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(36px,4.2vw,64px);align-items:center}
.hero h1{margin:0 0 20px;font-size:clamp(2.5rem,4vw,3.7rem);color:#2B2925}
.hero h1 .line{display:block}
.hero h1 .line-accent{color:var(--accent)}
.hero .eyebrow{color:var(--accent)}
.hero .eyebrow::before{background:var(--accent)}
.hero .lead{margin-bottom:30px;max-width:34em;color:#57534B}
.hero-note{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;color:#5E594F;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase}
.hero-note .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(47,122,76,.22)}
.hero-visual{position:relative}
.hero-visual svg{width:100%;height:auto}

/* Hero metrics — slate-tinted panel (numbers pop without a white block) */
.metrics{border-top:1px solid var(--panel-hero-border);border-bottom:1px solid var(--panel-hero-border);background:var(--panel-hero)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{padding:clamp(34px,3.4vw,52px) clamp(20px,2.4vw,44px);border-left:1px solid var(--panel-hero-border)}
.metric:first-child{border-left:none}
.metric-value{font-size:clamp(2.1rem,3.4vw,3.2rem);font-weight:750;letter-spacing:-.03em;line-height:1;display:flex;align-items:baseline;gap:2px}
.metric-value .suffix{color:var(--accent);font-size:.66em;font-weight:700}
.metric-label{margin-top:12px;color:var(--text-2);font-size:.92rem}

/* Trust band */
.trust{background:var(--bg)}
.trust-caption{text-align:center;margin-bottom:34px}
.trust-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.trust-cell{
  border:1px solid var(--card-border);border-radius:12px;padding:26px 14px;background:var(--card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--text-3);filter:grayscale(1);opacity:.82;transition:opacity .3s var(--ease),border-color .3s var(--ease);
}
.trust-cell:hover{opacity:1;border-color:#B5AFA3}
.trust-cell svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.trust-cell span{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;text-align:center}