/* ════════════════════════════════════════════════════════════════════
   BREWER STRATEGIES / AI — design system
   Void black · cream · brass · ion teal — the futuristic sibling of
   brewerstrategies.com. Every perf guard from the .com work applies.
   ════════════════════════════════════════════════════════════════════ */

:root{
  --void:#070d0b;
  --void-2:#0a120f;
  --panel:#0d1613;
  --panel-2:#12201b;
  --cream:#f0e8d8;
  --cream-1:#e2d9c4;
  --cream-mute:#a8b5ad;
  --sage:#5c6f66;
  --brass:#b89968;
  --brass-2:#d4b87e;
  --ion:#38d6f0;
  --ion-dim:#1d6f80;
  --rule:rgba(56,214,240,.12);
  --rule-soft:rgba(240,232,216,.08);
  --glass:rgba(18,32,27,.42);
  --serif:"Fraunces","Times New Roman",serif;
  --sans:"Space Grotesk",-apple-system,system-ui,sans-serif;
  --mono:"JetBrains Mono",monospace;
}

*{ box-sizing:border-box; margin:0; padding:0 }
html,body{ background:var(--void); color:var(--cream); }
html{ scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }
body{
  font-family:var(--sans); font-weight:400; font-size:16px; line-height:1.6;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--ion); color:var(--void); }

/* Cross-page cross-fade; reduced-motion users get hard swaps */
@view-transition{ navigation:auto; }
@media (prefers-reduced-motion: reduce){
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*){ animation:none !important; }
  html{ scroll-behavior:auto; }
}

/* Ambient depth on a fixed composited layer — never background-attachment */
body::before{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(1100px 640px at 82% -8%, rgba(56,214,240,.055) 0%, transparent 62%),
    radial-gradient(860px 560px at -4% 26%, rgba(184,153,104,.05) 0%, transparent 66%),
    radial-gradient(700px 900px at 50% 110%, rgba(29,111,128,.08) 0%, transparent 70%);
}
/* faint grid — the "definiteness" under the abstraction */
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(var(--rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-soft) 1px, transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(90% 70% at 50% 30%, rgba(0,0,0,.5), transparent 75%);
  -webkit-mask-image:radial-gradient(90% 70% at 50% 30%, rgba(0,0,0,.5), transparent 75%);
}

/* Below-fold sections skip rendering until approached */
.cv-auto{ content-visibility:auto; contain-intrinsic-size:auto 900px; }

/* Offscreen loopers paused by ai.js */
[data-cine-paused] *{ animation-play-state:paused !important; }

.wrap{ max-width:1200px; margin:0 auto; padding:0 max(24px,4vw); }

/* ─── Type ─── */
.eyebrow{
  font-family:var(--mono); font-size:11px; font-weight:400;
  letter-spacing:.32em; text-transform:uppercase; color:var(--ion);
  display:inline-flex; align-items:center; gap:14px;
}
.eyebrow::before{ content:""; width:32px; height:1px; background:var(--ion-dim); }
.display{
  font-family:var(--serif); font-weight:300; line-height:1.02;
  letter-spacing:-.02em; text-wrap:balance;
}
.display em{ font-style:italic; color:var(--brass-2); }
.lede{ color:var(--cream-mute); font-weight:300; font-size:clamp(16px,1.4vw,19px); line-height:1.65; }
.mono-label{ font-family:var(--mono); font-size:10px; letter-spacing:.24em; text-transform:uppercase; color:var(--sage); }

/* ─── Nav ─── */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px max(24px,4vw);
  border-bottom:1px solid transparent;
  transition:background .4s, border-color .4s, padding .4s;
}
.nav.scrolled{
  background:rgba(7,13,11,.82);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--rule);
  padding-top:12px; padding-bottom:12px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:64px; height:43px; object-fit:contain; }
.brand-word{ font-family:var(--mono); font-size:11px; letter-spacing:.22em; color:var(--cream-1); white-space:nowrap; }
.brand-word b{ color:var(--ion); font-weight:500; }
.nav-links{ display:flex; align-items:center; gap:26px; }
.nav-links a{
  font-family:var(--mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--cream-mute); transition:color .25s;
}
.nav-links a:hover{ color:var(--ion); }
.nav-portal{
  border:1px solid var(--ion-dim); border-radius:99px; padding:8px 18px;
  color:var(--ion) !important; transition:background .25s, box-shadow .25s;
}
.nav-portal:hover{ background:rgba(56,214,240,.08); box-shadow:0 0 24px rgba(56,214,240,.18); }
.menu-btn{ display:none; background:none; border:1px solid var(--rule); border-radius:8px; color:var(--cream); width:42px; height:42px; align-items:center; justify-content:center; cursor:pointer; }
.mobile-nav{
  display:none; position:fixed; inset:0; z-index:59; background:rgba(7,13,11,.96);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  flex-direction:column; align-items:center; justify-content:center; gap:30px;
}
.mobile-nav.open{ display:flex; }
.mobile-nav a{ font-family:var(--mono); font-size:15px; letter-spacing:.22em; text-transform:uppercase; color:var(--cream); }

/* ─── Hero ─── */
.hero{ position:relative; min-height:100svh; display:flex; flex-direction:column; justify-content:center; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr); align-items:center; gap:40px; padding-top:90px; }
.hero-h1{ font-size:clamp(52px,7.4vw,118px); margin:20px 0 22px; }
.hero-sub{ max-width:44ch; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:14px; margin-top:34px; }
.cta{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  padding:16px 28px; border-radius:10px; cursor:pointer; border:1px solid transparent;
  transition:transform .25s, box-shadow .25s, background .25s, border-color .25s;
}
.cta-primary{ background:var(--brass); color:var(--void); }
.cta-primary:hover{ background:var(--brass-2); box-shadow:0 8px 40px rgba(184,153,104,.28); }
.cta-ghost{ border-color:var(--rule); color:var(--cream-1); }
.cta-ghost:hover{ border-color:var(--ion-dim); color:var(--ion); }
.reactor-wrap{ position:relative; aspect-ratio:1; max-width:520px; justify-self:center; width:100%; }
#reactor{ width:100%; height:100%; display:block; }
.reactor-cap{ position:absolute; bottom:-6px; width:100%; text-align:center; }
.scroll-hint{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:12px;
}
.scroll-hint::after{
  content:""; width:1px; height:60px;
  background:linear-gradient(to bottom, var(--ion), transparent);
  transform-origin:top; transform:scaleY(.73);
  /* transform only — animating height dirtied layout on every frame */
  animation:hintPulse 2.4s ease-in-out infinite;
}
@keyframes hintPulse{ 0%,100%{ transform:scaleY(.73); opacity:.35 } 50%{ transform:scaleY(1); opacity:1 } }
@media (prefers-reduced-motion: reduce){ .scroll-hint::after{ animation:none; } }

/* ─── Stat band ─── */
.stats{ border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); background:var(--void-2); }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ padding:30px 26px; border-left:1px solid var(--rule); }
.stat:first-child{ border-left:none; }
.stat-v{ font-family:var(--serif); font-weight:300; font-size:clamp(30px,3vw,44px); color:var(--ion); line-height:1; }
.stat-v .unit{ font-size:.55em; color:var(--ion-dim); }
.stat-l{ margin-top:10px; }

/* ─── Sections ─── */
.section{ padding:120px 0; position:relative; }
.section-head{ max-width:720px; margin-bottom:64px; }
.section-head .display{ font-size:clamp(36px,4.6vw,64px); margin-top:18px; }

/* Glass panel — blur kept lean, only where it earns its cost */
.glass{
  background:var(--glass);
  border:1px solid var(--rule);
  border-radius:16px;
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  transition:transform .35s cubic-bezier(.22,1,.36,1), border-color .35s, box-shadow .35s;
}
.glass:hover{ transform:translateY(-4px); border-color:rgba(56,214,240,.3); box-shadow:0 24px 60px rgba(0,0,0,.4); }

/* Work cards */
.work-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; }
.work-card{ padding:30px 30px 26px; display:flex; flex-direction:column; gap:16px; min-height:300px; }
.work-thumb{ height:110px; border-radius:10px; position:relative; overflow:hidden; border:1px solid var(--rule-soft); background:var(--void-2); }
.work-thumb .wt-bars{ position:absolute; inset:auto 16px 14px; display:flex; gap:6px; align-items:flex-end; height:56px; }
.work-thumb .wt-bars i{ flex:1; background:linear-gradient(to top, var(--ion-dim), var(--ion)); border-radius:2px 2px 0 0; opacity:.85; }
.work-thumb .wt-line{ position:absolute; left:16px; right:16px; top:22px; height:1px; background:var(--rule); }
.work-thumb .wt-dot{ position:absolute; width:7px; height:7px; border-radius:50%; background:var(--brass-2); }
.work-prob{ color:var(--sage); font-size:13px; font-family:var(--mono); letter-spacing:.04em; line-height:1.6; }
.work-name{ font-family:var(--serif); font-weight:400; font-size:24px; color:var(--cream); }
.work-desc{ color:var(--cream-mute); font-size:14.5px; line-height:1.65; flex:1; }
.work-metric{ display:flex; align-items:baseline; gap:10px; border-top:1px solid var(--rule-soft); padding-top:16px; }
.work-metric b{ font-family:var(--serif); font-weight:400; font-size:26px; color:var(--brass-2); }
.work-metric span{ font-size:12px; color:var(--sage); }

/* How it works */
.how-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; counter-reset:step; }
.how-step{ padding:0 26px 0 0; position:relative; }
.how-step + .how-step{ padding-left:26px; border-left:1px solid var(--rule); }
.how-no{ font-family:var(--serif); font-style:italic; font-weight:300; font-size:40px; color:var(--ion); opacity:.9; }
.how-t{ font-family:var(--sans); font-weight:500; font-size:17px; color:var(--cream); margin:14px 0 10px; }
.how-d{ color:var(--cream-mute); font-size:13.5px; line-height:1.65; }
.how-free{ display:inline-block; margin-top:10px; font-family:var(--mono); font-size:10px; letter-spacing:.18em; color:var(--brass-2); border:1px solid rgba(184,153,104,.35); border-radius:99px; padding:4px 10px; }

/* ─── Intake ("Need a tool?") ─── */
.intake{ background:var(--void-2); border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); }
.intake-inner{ max-width:760px; margin:0 auto; text-align:center; }
.intake .display{ font-size:clamp(34px,4.2vw,58px); margin:18px 0 14px; }
.intake-form{ margin-top:42px; text-align:left; }
.intake-box{
  position:relative; border:1px solid var(--rule); border-radius:14px;
  background:var(--panel); padding:8px 8px 8px 20px;
  display:flex; align-items:center; gap:12px;
  transition:border-color .3s, box-shadow .3s;
}
.intake-box:focus-within{ border-color:var(--ion-dim); box-shadow:0 0 0 1px var(--ion-dim), 0 0 44px rgba(56,214,240,.12); }
.intake-box textarea{
  flex:1; background:none; border:none; outline:none; resize:none;
  color:var(--cream); font-family:var(--sans); font-size:16px; line-height:1.5;
  padding:14px 0; min-height:54px; max-height:180px;
}
.intake-box textarea::placeholder{ color:var(--sage); }
.intake-send{
  flex:none; background:var(--brass); color:var(--void); border:none; cursor:pointer;
  font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  border-radius:9px; padding:14px 20px; transition:background .25s;
}
.intake-send:hover{ background:var(--brass-2); }
.intake-email-row{ display:flex; gap:12px; margin-top:12px; }
.intake-email{
  flex:1; background:var(--panel); border:1px solid var(--rule-soft); border-radius:10px;
  color:var(--cream); font-family:var(--sans); font-size:14px; padding:12px 16px; outline:none;
  transition:border-color .3s;
}
.intake-email:focus{ border-color:var(--ion-dim); }
.intake-note{ margin-top:14px; font-size:12px; color:var(--sage); text-align:center; }
.intake-hp{ position:absolute; left:-9999px; opacity:0; height:0; width:0; }
.intake-err{ display:none; margin-top:12px; color:#e6a86e; font-size:13px; text-align:center; }
.intake-err.show{ display:block; }
/* blueprint success state */
.intake-done{ display:none; position:relative; border:1px solid var(--ion-dim); border-radius:14px; background:var(--panel); padding:38px 30px; text-align:center; overflow:hidden; }
.intake-done.show{ display:block; }
.intake-done::before{
  content:""; position:absolute; inset:0; opacity:.35;
  background-image:linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size:36px 36px;
  animation:bpDraw 1.2s ease-out both;
}
@keyframes bpDraw{ from{ clip-path:inset(0 100% 0 0); } to{ clip-path:inset(0 0 0 0); } }
@media (prefers-reduced-motion: reduce){ .intake-done::before{ animation:none; } }
.intake-done h3{ position:relative; font-family:var(--serif); font-weight:400; font-size:26px; color:var(--cream); }
.intake-done p{ position:relative; margin-top:10px; color:var(--cream-mute); font-size:14px; }
.intake-done .mono-label{ position:relative; display:inline-block; margin-top:18px; color:var(--ion); }

/* ─── Testimonials ─── */
.quote-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.quote-card{ padding:30px; display:flex; flex-direction:column; gap:18px; }
.quote-mark{ font-family:var(--serif); font-size:44px; line-height:.6; color:var(--ion); }
.quote-body{ font-family:var(--serif); font-weight:300; font-style:italic; font-size:18px; line-height:1.55; color:var(--cream-1); flex:1; }
.quote-who{ border-top:1px solid var(--rule-soft); padding-top:14px; }
.quote-who b{ display:block; font-weight:500; font-size:14px; color:var(--cream); }
.quote-who span{ font-size:12px; color:var(--sage); }

/* Partners */
.partners{ display:flex; flex-wrap:wrap; gap:16px 40px; align-items:center; justify-content:center; opacity:.85; }
.partner{ font-family:var(--mono); font-size:12px; letter-spacing:.2em; text-transform:uppercase; color:var(--cream-mute); border:1px solid var(--rule-soft); border-radius:99px; padding:10px 22px; }

/* ─── Pricing ─── */
.tiers{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; align-items:stretch; }
.tier{ padding:34px 30px; display:flex; flex-direction:column; gap:0; }
.tier-name{ font-family:var(--mono); font-size:11px; letter-spacing:.24em; text-transform:uppercase; color:var(--cream-mute); }
.tier-price{ font-family:var(--serif); font-weight:300; font-size:52px; color:var(--cream); margin:16px 0 2px; }
.tier-price .per{ font-size:15px; color:var(--sage); font-family:var(--sans); }
.tier-tag{ font-size:13px; color:var(--sage); margin-bottom:22px; }
.tier ul{ list-style:none; display:flex; flex-direction:column; gap:12px; flex:1; }
.tier li{ font-size:14px; color:var(--cream-mute); padding-left:22px; position:relative; line-height:1.55; }
.tier li::before{ content:"—"; position:absolute; left:0; color:var(--ion-dim); }
.tier .cta{ margin-top:28px; justify-content:center; }
.tier-hot{ border-color:rgba(56,214,240,.4); position:relative; }
.tier-hot::before{
  content:"MOST CHOSEN"; position:absolute; top:-11px; left:50%; transform:translateX(-50%);
  font-family:var(--mono); font-size:9px; letter-spacing:.22em; color:var(--void);
  background:var(--ion); border-radius:99px; padding:4px 14px;
}
.tiers-note{ text-align:center; margin-top:30px; color:var(--sage); font-size:13px; }
.tiers-note b{ color:var(--brass-2); font-weight:500; }

/* ─── Portal door ─── */
.portal-band{ border-top:1px solid var(--rule); background:linear-gradient(180deg, var(--void-2), var(--void)); }
.portal-box{ max-width:820px; margin:0 auto; text-align:center; padding:0 20px; }
.portal-box .display{ font-size:clamp(30px,3.6vw,48px); margin:16px 0 14px; }

/* ─── Footer ─── */
footer{ border-top:1px solid var(--rule); padding:56px 0 40px; }
.foot-grid{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:24px; }
.foot-legal{ font-size:12px; color:var(--sage); line-height:1.7; }
.foot-legal a{ color:var(--cream-mute); border-bottom:1px solid var(--rule); }
.foot-legal a:hover{ color:var(--ion); }

/* ─── Reveal motion (driven by ai.js) ─── */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ─── Responsive ─── */
@media (max-width: 960px){
  .nav-links{ display:none; }
  .menu-btn{ display:inline-flex; }
  .hero-grid{ grid-template-columns:1fr; gap:16px; padding-top:110px; text-align:center; }
  .hero-sub{ margin:0 auto; }
  .hero-ctas{ justify-content:center; }
  .reactor-wrap{ max-width:320px; order:-1; margin-top:10px; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .stat{ border-left:none; border-top:1px solid var(--rule); }
  .stat:nth-child(-n+2){ border-top:none; }
  .stat:nth-child(even){ border-left:1px solid var(--rule); }
  .work-grid{ grid-template-columns:1fr; }
  .how-grid{ grid-template-columns:1fr; gap:34px; }
  .how-step + .how-step{ padding-left:0; border-left:none; padding-top:0; }
  .quote-grid, .tiers{ grid-template-columns:1fr; }
  .section{ padding:84px 0; }
}