/* =============================================================
   OZITGRAND — Website stylesheet
   Brand: Graphite #2B2F33 · Green #3FA62E · Gold #F4B81E
   Self-contained, responsive, light/dark aware.
   ============================================================= */

:root{
  --graphite:#2B2F33;
  --graphite-2:#3A4046;
  --graphite-3:#6E7480;
  --green:#3FA62E;
  --green-dark:#2E8B24;
  --green-light:#52C23F;
  --gold:#F4B81E;

  --bg:#ffffff;
  --bg-alt:#f4f6f7;
  --surface:#ffffff;
  --surface-2:#f8fafb;
  --border:#e4e8ea;
  --text:#22262a;
  --text-soft:#565f66;
  --text-faint:#828d94;
  --shadow:0 1px 3px rgba(20,25,30,.06),0 8px 24px rgba(20,25,30,.06);
  --shadow-lg:0 12px 40px rgba(20,25,30,.14);
  --radius:14px;
  --radius-sm:10px;
  --maxw:1140px;
  --header-h:70px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#16181b;
    --bg-alt:#1c1f23;
    --surface:#1f2327;
    --surface-2:#23282d;
    --border:#2e343a;
    --text:#e8ebee;
    --text-soft:#b3bcc3;
    --text-faint:#8a949b;
    --shadow:0 1px 3px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);
    --shadow-lg:0 16px 44px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  --bg:#16181b;--bg-alt:#1c1f23;--surface:#1f2327;--surface-2:#23282d;--border:#2e343a;
  --text:#e8ebee;--text-soft:#b3bcc3;--text-faint:#8a949b;
  --shadow:0 1px 3px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.35);--shadow-lg:0 16px 44px rgba(0,0,0,.5);
}
:root[data-theme="light"]{
  --bg:#ffffff;--bg-alt:#f4f6f7;--surface:#ffffff;--surface-2:#f8fafb;--border:#e4e8ea;
  --text:#22262a;--text-soft:#565f66;--text-faint:#828d94;
  --shadow:0 1px 3px rgba(20,25,30,.06),0 8px 24px rgba(20,25,30,.06);--shadow-lg:0 12px 40px rgba(20,25,30,.14);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;font-weight:750}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:76px 0}
.section-sm{padding:48px 0}
.bg-alt{background:var(--bg-alt)}
.center{text-align:center}
.lead{font-size:1.15rem;color:var(--text-soft);max-width:64ch}
.center .lead{margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--green-dark);background:rgba(63,166,46,.1);padding:5px 12px;border-radius:100px;margin-bottom:16px;
}
@media (prefers-color-scheme: dark){.eyebrow{color:var(--green-light)}}
:root[data-theme="dark"] .eyebrow{color:var(--green-light)}
.muted{color:var(--text-soft)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:650;font-size:.98rem;
  padding:13px 22px;border-radius:var(--radius-sm);border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 6px 18px rgba(63,166,46,.28)}
.btn-primary:hover{background:var(--green-dark);box-shadow:0 8px 22px rgba(63,166,46,.36)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--graphite-3);background:var(--surface-2)}
.btn-dark{background:var(--graphite);color:#fff}
.btn-dark:hover{background:#000}
.btn-lg{padding:16px 30px;font-size:1.05rem}
.btn-gold{background:var(--gold);color:#3a2c00}
.btn-gold:hover{background:#e0a800}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.01em;font-size:1.12rem}
.brand svg,.brand img{height:38px;width:auto}
.brand .brand-name{color:var(--text)}
.brand .brand-name b{color:var(--green)}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links a{padding:9px 13px;border-radius:8px;color:var(--text-soft);font-weight:550;font-size:.96rem;transition:color .12s,background .12s}
.nav-links a:hover{color:var(--text);background:var(--surface-2)}
.nav-links a.active{color:var(--text);font-weight:650}
.nav-cta{display:flex;align-items:center;gap:10px}
.theme-toggle{
  width:40px;height:40px;border-radius:9px;border:1px solid var(--border);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;color:var(--text-soft)
}
.theme-toggle:hover{color:var(--text);border-color:var(--graphite-3)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:block}
:root[data-theme="dark"] .theme-toggle .moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-toggle .sun{display:block}
  :root:not([data-theme="light"]) .theme-toggle .moon{display:none}
}
.hamburger{display:none;width:42px;height:42px;border-radius:9px;border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--text)}
.hamburger svg{width:22px;height:22px;margin:auto}

@media (max-width:900px){
  .nav-links{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg);border-bottom:1px solid var(--border);padding:12px 18px 20px;
    transform:translateY(-120%);transition:transform .25s ease;box-shadow:var(--shadow)
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px}
  .hamburger{display:grid;place-items:center}
  .nav-cta .btn-lg{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:74px 0 64px}
.hero:before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(680px 420px at 82% -8%,rgba(63,166,46,.16),transparent 60%),
    radial-gradient(560px 380px at 12% 8%,rgba(244,184,30,.10),transparent 62%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{margin-bottom:18px}
.hero h1 .hl{color:var(--green)}
.hero-sub{font-size:1.2rem;color:var(--text-soft);max-width:54ch;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;color:var(--text-soft);font-size:.92rem}
.hero-trust b{color:var(--text)}
.hero-trust .tick{color:var(--green)}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:34px}.hero-visual{order:-1}}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.card.hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--green) 40%,var(--border))}
.card h3{margin-bottom:8px}
.card p{color:var(--text-soft);margin-bottom:0;font-size:.97rem}
.icon-badge{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(63,166,46,.16),rgba(244,184,30,.14));color:var(--green-dark)
}
:root[data-theme="dark"] .icon-badge{color:var(--green-light)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .icon-badge{color:var(--green-light)}}
.icon-badge svg{width:26px;height:26px;stroke-width:1.9}
.card-link{display:inline-flex;align-items:center;gap:6px;color:var(--green-dark);font-weight:650;font-size:.92rem;margin-top:14px}
:root[data-theme="dark"] .card-link{color:var(--green-light)}
.card-link svg{width:16px;height:16px;transition:transform .15s}
.card.hover:hover .card-link svg{transform:translateX(3px)}

/* ---------- Section heading ---------- */
.sec-head{max-width:60ch;margin:0 auto 44px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}

/* ---------- Trust strip / stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{text-align:center;padding:22px 12px}
.stat .n{font-size:2.2rem;font-weight:800;color:var(--text);letter-spacing:-.03em;line-height:1}
.stat .n .u{color:var(--green)}
.stat .l{color:var(--text-soft);font-size:.9rem;margin-top:8px}

/* ---------- Scenario cards ---------- */
.scenario{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column
}
.scenario .tag{display:flex;align-items:center;gap:9px;padding:18px 24px;border-bottom:1px solid var(--border);font-weight:700}
.scenario .tag .chip{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--graphite);padding:4px 9px;border-radius:6px}
.scenario .tag .chip.g{background:var(--green)}
.scenario .body{padding:22px 24px}
.scenario .body h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin:16px 0 6px}
.scenario .body h4:first-child{margin-top:0}
.scenario .body p{color:var(--text-soft);font-size:.96rem;margin-bottom:0}
.scenario .result{background:var(--surface-2);border-left:3px solid var(--green);padding:14px 16px;border-radius:0 8px 8px 0;margin-top:8px}
.scenario .result p{color:var(--text)}
.chk{list-style:none;margin:8px 0 0;padding:0}
.chk li{position:relative;padding-left:26px;margin-bottom:7px;color:var(--text-soft);font-size:.95rem}
.chk li:before{content:"";position:absolute;left:0;top:3px;width:17px;height:17px;border-radius:50%;
  background:var(--green);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/13px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/13px no-repeat}

/* ---------- Steps ---------- */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:flex;gap:18px;align-items:flex-start}
.step .num{counter-increment:s;flex:0 0 auto;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;color:#fff;background:var(--graphite)}
.step:nth-child(2) .num{background:var(--green)}
.step:nth-child(3) .num{background:var(--gold);color:#3a2c00}
.step .num:after{content:counter(s)}
.step h3{margin-bottom:4px}
.step p{color:var(--text-soft);margin-bottom:0}

/* ---------- Diagram frame ---------- */
.diagram{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);overflow-x:auto
}
.diagram svg{width:100%;height:auto;min-width:620px;display:block;margin:0 auto}
.diagram .cap{color:var(--text-faint);font-size:.85rem;text-align:center;margin-top:14px}
.legend{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:16px}
.legend span{display:inline-flex;align-items:center;gap:7px;font-size:.85rem;color:var(--text-soft)}
.legend i{width:13px;height:13px;border-radius:4px;display:inline-block}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--graphite),#1b1e21);color:#fff;border-radius:22px;padding:52px 44px;position:relative;overflow:hidden}
.cta-band:before{content:"";position:absolute;right:-40px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,166,46,.35),transparent 70%)}
.cta-band:after{content:"";position:absolute;left:-30px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,184,30,.22),transparent 70%)}
.cta-band .in{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:6px}
.cta-band p{color:#c7ced3;margin-bottom:0;max-width:46ch}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:600px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.9rem}
.field input,.field select,.field textarea{
  font:inherit;padding:12px 14px;border-radius:10px;border:1.5px solid var(--border);background:var(--surface);color:var(--text)
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(63,166,46,.15)}
.form-note{font-size:.82rem;color:var(--text-faint)}

/* ---------- Contact info tiles ---------- */
.info-tile{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.info-tile .ic{width:42px;height:42px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;background:var(--surface-2);color:var(--green-dark)}
:root[data-theme="dark"] .info-tile .ic{color:var(--green-light)}
.info-tile .ic svg{width:20px;height:20px}
.info-tile b{display:block}
.info-tile a,.info-tile span{color:var(--text-soft)}

/* ---------- Footer ---------- */
.site-footer{background:var(--graphite);color:#c7ced3;padding:56px 0 26px;margin-top:20px}
:root[data-theme="light"] .site-footer{background:#1e2225}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:500px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:14px}
.footer-grid a{display:block;color:#a9b2b8;padding:5px 0;font-size:.94rem}
.footer-grid a:hover{color:var(--green-light)}
.footer-brand svg,.footer-brand img{height:40px;margin-bottom:14px}
.footer-brand p{color:#9aa3a9;font-size:.92rem;max-width:34ch}
.footer-bottom{border-top:1px solid #3a4046;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.86rem;color:#8a949b}
.footer-bottom a{color:#8a949b}
.footer-bottom a:hover{color:#fff}

/* ---------- Breadcrumb / page hero ---------- */
.page-hero{padding:56px 0 10px;position:relative}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero p.lead{margin-top:6px}

/* ---------- Misc reveal ---------- */
/* Content is visible by default; only hide/animate when JS is active (html.js) */
.reveal{transition:opacity .5s ease,transform .5s ease}
html.js .reveal{opacity:0;transform:translateY(16px)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

.pillar-list{list-style:none;margin:14px 0 0;padding:0}
.pillar-list li{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px;color:var(--text-soft);font-size:.96rem}
.pillar-list li svg{width:18px;height:18px;color:var(--green);flex:0 0 auto;margin-top:4px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:820px){.split{grid-template-columns:1fr;gap:26px}}

/* ---------- Inline SVG diagram theming (inherits site vars) ---------- */
.dgm{font-family:var(--font)}
.dgm .n-box{fill:var(--surface-2);stroke:var(--border);stroke-width:1.5}
.dgm .n-core{fill:var(--graphite);stroke:none}
.dgm .n-fw{fill:rgba(63,166,46,.12);stroke:var(--green);stroke-width:2}
.dgm .n-cloud{fill:var(--surface-2);stroke:var(--border);stroke-width:1.5;stroke-dasharray:0}
.dgm .n-title{fill:var(--text);font-size:14px;font-weight:700}
.dgm .n-title-i{fill:#fff;font-size:14px;font-weight:700}
.dgm .n-sub{fill:var(--text-faint);font-size:11.5px;font-weight:500}
.dgm .n-sub-i{fill:#c7ced3;font-size:11.5px;font-weight:500}
.dgm .wire{stroke:var(--graphite-3);stroke-width:2.4;fill:none}
.dgm .wire-net{stroke:var(--green);stroke-width:2.6;fill:none}
.dgm .wire-mon{stroke:var(--green);stroke-width:2.2;fill:none;stroke-dasharray:6 6}
.dgm .zone{fill:none;stroke:var(--border);stroke-width:1.4;stroke-dasharray:5 6}
.dgm .zone-t{fill:var(--text-faint);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.dgm .ic{stroke-width:1.8;fill:none}
.dgm .ic-g{stroke:var(--green)}
.dgm .ic-d{stroke:var(--graphite-3)}
.dgm .ic-w{stroke:#fff}
.dgm .ic-gold{stroke:var(--gold)}