/* ============================================================
   CPR VISION — Design System (token-themed)
   Light-first · gold accent · sparing dark moments.
   Palette: #040707 #FAC600 #F39400 #767271 #D2D0D2 #FFFFFF
   ============================================================ */

:root {
  /* brand constants */
  --ink: #040707;
  --gold: #FAC600;
  --gold-2: #F39400;
  --gray: #767271;
  --gray-light: #D2D0D2;

  /* accent (tweakable) */
  --accent: #FAC600;
  --accent-2: #F39400;
  --gold-grad: linear-gradient(105deg, var(--accent) 0%, var(--accent-2) 100%);
  --gold-grad-soft: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--accent-2) 6%, transparent));

  /* ---- LIGHT THEME tokens (default) ---- */
  --bg: #FFFFFF;
  --bg-alt: #FAFAF8;
  --bg-alt2: #F3F2EE;
  --fg: #060a0a;
  --fg-soft: #3b403f;
  --fg-muted: #767271;
  --border: #E8E6E1;
  --border-strong: #d8d5cf;
  --card: #FFFFFF;
  --card-border: #E8E6E1;
  --eyebrow-color: #9a6b00;
  --header-fg: #060a0a;
  --header-scrolled: rgba(255,255,255,0.82);
  --header-border: var(--border);
  --hero-glow: rgba(250,198,0,0.22);
  --shadow-card: 0 1px 2px rgba(4,7,7,0.04), 0 18px 40px rgba(4,7,7,0.07);
  --shadow-pop: 0 8px 28px rgba(4,7,7,0.10), 0 40px 90px rgba(4,7,7,0.13);

  --font-head: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --maxw: 1200px;
  --maxw-wide: 1320px;
  --gutter: clamp(20px, 5vw, 48px);
  --sec-y: clamp(70px, 9vw, 132px);
  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-xl: 30px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---- DARK THEME (whole-site) ---- */
body.theme-dark {
  --bg: #040707;
  --bg-alt: #0a0e0e;
  --bg-alt2: #0e1313;
  --fg: #ffffff;
  --fg-soft: rgba(255,255,255,0.82);
  --fg-muted: rgba(255,255,255,0.55);
  --border: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.18);
  --card: #0c1110;
  --card-border: rgba(255,255,255,0.10);
  --eyebrow-color: var(--accent);
  --header-fg: #ffffff;
  --header-scrolled: rgba(4,7,7,0.72);
  --header-border: rgba(255,255,255,0.10);
  --hero-glow: rgba(250,198,0,0.16);
  --shadow-card: 0 1px 2px rgba(0,0,0,0.3), 0 18px 40px rgba(0,0,0,0.35);
  --shadow-pop: 0 30px 80px rgba(0,0,0,0.5);
}

/* ---- BALANCED: light site, dark hero ---- */
body.theme-balanced .hero { --local-dark: 1; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body);
  background: var(--bg); color: var(--fg);
  font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  letter-spacing: -0.005em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: var(--ink); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.container--wide { max-width: var(--maxw-wide); }
.section { padding: var(--sec-y) 0; position: relative; background: var(--bg); }
.section--alt { background: var(--bg-alt); }
.section--tight { padding: clamp(46px,6vw,82px) 0; }

/* always-dark accent panel — sets dark tokens locally regardless of theme */
.panel-dark {
  --bg: #040707; --bg-alt: #0a0e0e; --fg: #fff; --fg-soft: rgba(255,255,255,0.82);
  --fg-muted: rgba(255,255,255,0.55); --border: rgba(255,255,255,0.10);
  --card: #0c1110; --card-border: rgba(255,255,255,0.10); --eyebrow-color: var(--accent);
  --shadow-card: 0 30px 80px rgba(0,0,0,0.45);
  background: #040707; color: #fff;
}

/* ---------- Type ---------- */
h1,h2,h3,h4 { font-family: var(--font-head); font-weight: 600; letter-spacing: -0.025em; line-height: 1.04; margin: 0; color: var(--fg); }
.display { font-family: var(--font-head); font-weight: 600; font-size: clamp(40px, 6.4vw, 84px); line-height: 0.98; letter-spacing: -0.035em; }
.h1 { font-size: clamp(34px, 5vw, 60px); letter-spacing: -0.03em; line-height: 1.0; }
.h2 { font-size: clamp(28px, 3.6vw, 46px); letter-spacing: -0.028em; line-height: 1.03; }
.h3 { font-size: clamp(21px, 2.2vw, 28px); letter-spacing: -0.02em; }
.lead { font-size: clamp(18px, 1.7vw, 22px); line-height: 1.5; color: var(--fg-muted); font-weight: 400; }
.muted { color: var(--fg-muted); }

.eyebrow {
  font-family: var(--font-body); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--eyebrow-color);
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 22px; height: 1.5px; background: var(--gold-grad); display: inline-block; }

.gold-text { background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 600; font-size: 15.5px; letter-spacing: -0.01em;
  padding: 14px 24px; border-radius: 999px; border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .3s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap; line-height: 1;
}
.btn svg { width: 17px; height: 17px; transition: transform .3s var(--ease); }
.btn:hover svg.arr { transform: translateX(3px); }
.btn--gold { background: var(--gold-grad); color: var(--ink); box-shadow: 0 8px 22px color-mix(in srgb, var(--accent-2) 30%, transparent); }
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 14px 40px color-mix(in srgb, var(--accent-2) 40%, transparent); }
.btn--ink { background: var(--fg); color: var(--bg); }
.btn--ink:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.btn--ghost { background: transparent; color: var(--fg); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--fg); transform: translateY(-2px); }
.btn--lg { padding: 17px 30px; font-size: 16.5px; }
.btn--sm { padding: 10px 18px; font-size: 14px; }

.textlink { display:inline-flex; align-items:center; gap:8px; font-weight:600; color:var(--fg); border-bottom: 1.5px solid transparent; transition: gap .25s var(--ease); }
.textlink:hover { gap: 12px; }
.textlink svg { width: 16px; height: 16px; }

/* ---------- Header ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; color: var(--header-fg); transition: background .35s var(--ease), border-color .35s, box-shadow .35s, color .35s; border-bottom: 1px solid transparent; }
.site-header.is-scrolled { background: var(--header-scrolled); backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); border-bottom-color: var(--header-border); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav__logo { display: flex; align-items: center; height: 44px; }
.nav__logo img { height: 44px; width: auto; }
.logo-light { display: block; } .logo-dark { display: none; }
body.theme-dark .logo-light { display: none; } body.theme-dark .logo-dark { display: block; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__item { position: relative; }
.nav__link { display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px; border-radius: 999px; font-weight: 500; font-size: 15px; color: inherit; opacity: 0.85; transition: opacity .2s, background .2s; }
.nav__link:hover { opacity: 1; background: color-mix(in srgb, currentColor 9%, transparent); }
.nav__link .caret { width: 11px; height: 11px; opacity: .6; transition: transform .25s; }
.nav__item:hover .caret { transform: rotate(180deg); }
.nav__cta { display: flex; align-items: center; gap: 10px; }

.dropdown { position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px); min-width: 300px; background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: var(--r-md); box-shadow: var(--shadow-pop); padding: 10px; opacity: 0; visibility: hidden; transition: opacity .22s var(--ease), transform .22s var(--ease); }
.dropdown::before { content: ""; position: absolute; top: -20px; left: 0; right: 0; height: 20px; }
.nav__item:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a { display: flex; gap: 12px; padding: 12px 13px; border-radius: 10px; transition: background .18s; align-items: flex-start; }
.dropdown a:hover { background: var(--bg-alt2); }
.dropdown .di { width: 34px; height: 34px; border-radius: 9px; background: var(--gold-grad-soft); display: grid; place-items: center; flex: 0 0 auto; }
.dropdown .di svg { width: 17px; height: 17px; color: var(--accent-2); }
.dropdown .dt { font-weight: 600; font-size: 14.5px; }
.dropdown .dd { font-size: 12.5px; color: var(--fg-muted); line-height: 1.35; }

.hamburger { display: none; background: none; border: 0; padding: 8px; color: inherit; }
.hamburger svg { width: 26px; height: 26px; }

.mobile-menu { position: fixed; inset: 0; z-index: 200; background: var(--ink); color: #fff; transform: translateY(-100%); transition: transform .4s var(--ease); display: flex; flex-direction: column; padding: 20px var(--gutter) 40px; overflow-y: auto; }
.mobile-menu.open { transform: translateY(0); }
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; height: 54px; }
.mobile-menu__top img { height: 42px; }
.mobile-menu__close { background: none; border: 0; color: #fff; padding: 8px; }
.mobile-menu__close svg { width: 28px; height: 28px; }
.mobile-nav { list-style: none; margin: 28px 0 0; padding: 0; }
.mobile-nav > li { border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-nav a, .mobile-nav .mlabel { display: block; padding: 18px 2px; font-family: var(--font-head); font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.mobile-nav .msub a { font-family: var(--font-body); font-size: 16px; font-weight: 500; padding: 10px 0 10px 16px; opacity: .7; }
.mobile-menu__cta { margin-top: auto; padding-top: 30px; display: grid; gap: 12px; }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.22); }
.btn--ghost-light:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.05); }

/* ---------- Footer (always dark) ---------- */
.site-footer { background: var(--ink); color: #fff; padding: clamp(64px,8vw,100px) 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand img { height: 50px; margin-bottom: 22px; }
.footer-tag { color: rgba(255,255,255,0.6); max-width: 300px; font-size: 15px; line-height: 1.5; }
.footer-col h4 { font-family: var(--font-body); font-size: 12.5px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 18px; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-col a { color: rgba(255,255,255,0.72); font-size: 15px; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: clamp(48px,6vw,80px); padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1); flex-wrap: wrap; }
.footer-bottom p { color: rgba(255,255,255,0.45); font-size: 13.5px; margin: 0; }
.social { display: flex; gap: 10px; }
.social a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.1); display: grid; place-items: center; transition: border-color .25s, background .25s, transform .25s; color: #fff; }
.social a:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); transform: translateY(-2px); }
.social svg { width: 18px; height: 18px; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2,1fr); }
.g-3 { grid-template-columns: repeat(3,1fr); }
.g-4 { grid-template-columns: repeat(4,1fr); }

.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--r-lg); padding: 30px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: color-mix(in srgb, var(--accent) 35%, var(--card-border)); }
.card .ico { width: 48px; height: 48px; border-radius: 12px; background: var(--gold-grad-soft); display: grid; place-items: center; margin-bottom: 20px; border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent); }
.card .ico svg { width: 24px; height: 24px; color: var(--accent-2); }
.card h3 { font-size: 21px; margin-bottom: 10px; letter-spacing: -0.02em; }
.card p { color: var(--fg-muted); font-size: 15.5px; line-height: 1.55; margin: 0; }

.sec-head { max-width: 720px; }
.sec-head.center { margin: 0 auto; text-align: center; }
.sec-head .lead { margin-top: 20px; }

.stat__num { font-family: var(--font-head); font-weight: 600; font-size: clamp(40px,5vw,68px); letter-spacing: -0.04em; line-height: 1; }
.stat__label { color: var(--fg-muted); margin-top: 12px; font-size: 15px; line-height: 1.4; }

.chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border); font-size: 13px; font-weight: 500; background: var(--card); color: var(--fg-soft); }
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-grad); }

.hairline { height: 1px; background: var(--border); border: 0; margin: 0; }

/* ---------- Reveal animation (JS-gated, see chrome.js) ---------- */
.reveals-on [data-reveal] { opacity: 0; transform: translateY(24px); }
.reveals-on [data-reveal].is-visible { opacity: 1; transform: none; transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveals-on [data-reveal][data-delay="1"].is-visible { transition-delay: .08s; }
.reveals-on [data-reveal][data-delay="2"].is-visible { transition-delay: .16s; }
.reveals-on [data-reveal][data-delay="3"].is-visible { transition-delay: .24s; }
.reveals-on [data-reveal][data-delay="4"].is-visible { transition-delay: .32s; }
.reveals-on [data-reveal][data-delay="5"].is-visible { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) { .reveals-on [data-reveal] { opacity: 1; transform: none; } * { scroll-behavior: auto; } }

/* ---------- helpers ---------- */
.center{text-align:center}
.flex{display:flex}.aic{align-items:center}.jcc{justify-content:center}.jcsb{justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}
.wrap{flex-wrap:wrap}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.page-hero { padding-top: clamp(120px, 15vw, 188px); }
.two-col { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.two-col--rev > :first-child { order: 2; }
@media (max-width: 920px){ .two-col--rev > :first-child { order: 0; } }
.phero { position: relative; overflow: hidden; }
.phero__bg { position:absolute; inset:0; pointer-events:none; }
.phero__bg::before { content:""; position:absolute; top:-30%; right:-6%; width:50%; height:90%; background: radial-gradient(closest-side, var(--hero-glow), transparent 72%); }
.eyebrow.center-eb { justify-content: center; }
/* image placeholder (drop real imagery here) */
.imgph { position: relative; border-radius: var(--r-lg); border: 1px solid var(--border); background: repeating-linear-gradient(135deg, var(--bg-alt) 0 13px, var(--bg-alt2) 13px 26px); display: grid; place-items: center; overflow: hidden; min-height: 260px; }
.imgph span { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; letter-spacing: .03em; color: var(--fg-muted); background: var(--bg); padding: 7px 13px; border-radius: 999px; border: 1px solid var(--border); }
.imgph--tall { min-height: 420px; }

/* ---------- Tweaks panel ---------- */
.tweaks-panel { position: fixed; right: 20px; bottom: 20px; z-index: 300; width: 300px; max-width: calc(100vw - 40px); background: rgba(12,17,17,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border: 1px solid rgba(255,255,255,0.12); border-radius: 18px; color: #fff; padding: 18px 18px 20px; box-shadow: 0 30px 80px rgba(0,0,0,0.55); transform: translateY(16px); opacity: 0; pointer-events: none; transition: transform .3s var(--ease), opacity .3s var(--ease); font-family: var(--font-body); }
.tweaks-panel.open { transform: none; opacity: 1; pointer-events: auto; }
.tw-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.tw-head h4 { font-family: var(--font-head); font-size: 16px; font-weight: 600; }
.tw-head .tw-tag { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); font-weight: 700; }
.tw-close { background: none; border: 0; color: rgba(255,255,255,0.55); cursor: pointer; padding: 4px; line-height: 0; }
.tw-close:hover { color: #fff; }
.tw-close svg { width: 18px; height: 18px; }
.tw-group { margin-bottom: 16px; }
.tw-group:last-child { margin-bottom: 0; }
.tw-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,0.45); margin-bottom: 9px; font-weight: 700; }
.tw-seg { display: flex; gap: 4px; background: rgba(255,255,255,0.06); border-radius: 11px; padding: 4px; }
.tw-seg button { flex: 1; border: 0; background: none; color: rgba(255,255,255,0.62); font-family: inherit; font-size: 12.5px; font-weight: 600; padding: 9px 6px; border-radius: 8px; cursor: pointer; transition: background .2s, color .2s; }
.tw-seg button.active { background: var(--gold-grad); color: var(--ink); }
.tw-swatches { display: flex; gap: 10px; }
.tw-sw { width: 42px; height: 42px; border-radius: 11px; cursor: pointer; border: 2px solid transparent; outline: 1px solid rgba(255,255,255,0.12); outline-offset: -1px; transition: border-color .2s, transform .2s; }
.tw-sw:hover { transform: translateY(-2px); }
.tw-sw.active { border-color: #fff; }

/* ============ Responsive ============ */
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } .g-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 920px) { .two-col { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .nav__links, .nav__cta .btn { display: none; } .hamburger { display: inline-flex; } .nav__cta { gap: 0; } .g-3 { grid-template-columns: 1fr; } .g-2 { grid-template-columns: 1fr; } }
@media (max-width: 600px) { body { font-size: 16px; } .g-4 { grid-template-columns: 1fr 1fr; } .footer-grid { grid-template-columns: 1fr; gap: 32px; } .footer-bottom { flex-direction: column; align-items: flex-start; } .card { padding: 24px; } }