/* ============================================================
   cgipro.ai — styles.css
   Design tokens live in :root. Change the look globally there.
   ============================================================ */

:root{
  --paper:#F4EFE4;          /* warm ivory */
  --paper-2:#ECE5D6;        /* deeper panel */
  --ink:#19150F;            /* near-black, warm */
  --ink-2:#2A2419;
  --ink-soft:#6C6354;       /* muted body */
  --accent:#C5402A;         /* vermilion */
  --accent-deep:#9A2E1C;
  --line:rgba(25,21,15,.16);
  --line-soft:rgba(25,21,15,.09);
  --dark:#16120C;           /* dark section bg */
  --dark-paper:#F4EFE4;
  --maxw:1240px;
  --pad:clamp(1.25rem,5vw,4rem);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Fraunces",Georgia,serif;
  --sans:"Hanken Grotesk",-apple-system,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --header-h:74px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:var(--paper)}

/* paper grain overlay */
body::before{
  content:"";
  position:fixed;inset:0;
  pointer-events:none;z-index:9999;
  opacity:.045;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--accent-deep);display:inline-flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:2.2em;height:1px;background:var(--accent);display:inline-block}
.eyebrow.center::before{display:none}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.04;letter-spacing:-.012em}
.accent-i{font-style:italic;color:var(--accent)}

/* scroll anchoring under the sticky header */
[id]{scroll-margin-top:calc(var(--header-h) + 16px)}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:100;
  backdrop-filter:saturate(140%) blur(8px);
  background:color-mix(in srgb, var(--paper) 82%, transparent);
  border-bottom:1px solid transparent;
  transition:border-color .4s, background .4s;
}
header.site.scrolled{border-color:var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:1rem}
.brand{font-family:var(--serif);font-size:1.45rem;font-weight:500;letter-spacing:-.01em;display:flex;align-items:baseline;gap:.05em;cursor:pointer;background:none;border:none;color:inherit}
.brand .dot{color:var(--accent)}
.brand .tld{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;color:var(--ink-soft);transform:translateY(-.55em)}
.nav-links{display:flex;gap:2rem;align-items:center;font-size:.9rem}
.nav-links button{position:relative;color:var(--ink-soft);transition:color .3s;background:none;border:none;cursor:pointer;font-size:.9rem;padding:0}
.nav-links button:hover{color:var(--ink)}
.nav-links button::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--accent);transition:width .3s var(--ease)}
.nav-links button:hover::after{width:100%}
.nav-cta{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--ink);padding:.6em 1.1em;border-radius:999px;color:var(--ink);
  transition:all .3s var(--ease);white-space:nowrap;background:none;cursor:pointer;
}
.nav-cta:hover{background:var(--ink);color:var(--paper)}
@media(max-width:820px){.nav-links{display:none}}

/* ---------- view transition ---------- */
#app{min-height:60vh}
.view{animation:viewIn .5s var(--ease) both}
@keyframes viewIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- hero ---------- */
.hero{position:relative;padding-top:clamp(3.5rem,9vw,7rem);padding-bottom:clamp(3.5rem,8vw,6rem)}
.hero-lineage{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--ink-soft);margin-top:2.4rem;display:flex;align-items:center;gap:.8em;flex-wrap:wrap}
.hero-lineage b{color:var(--ink);font-weight:500}
.hero-lineage .arr{color:var(--accent)}
h1.hero-title{font-size:clamp(2.6rem,8.2vw,6.2rem);margin-top:1.6rem;max-width:16ch;font-optical-sizing:auto}
.hero-sub{font-size:clamp(1.05rem,1.8vw,1.3rem);color:var(--ink-soft);max-width:54ch;margin-top:1.9rem;line-height:1.55}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem 1.4rem;align-items:center;margin-top:2.6rem}

.btn{
  display:inline-flex;align-items:center;gap:.7em;font-family:var(--mono);font-size:.8rem;
  letter-spacing:.06em;text-transform:uppercase;background:var(--ink);color:var(--paper);
  padding:1.05em 1.7em;border-radius:999px;border:1px solid var(--ink);
  transition:all .35s var(--ease);cursor:pointer;
}
.btn .ar{transition:transform .35s var(--ease)}
.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--paper)}
.btn:hover .ar{transform:translateX(5px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:.6em;font-family:var(--mono);font-size:.8rem;
  letter-spacing:.06em;text-transform:uppercase;color:var(--ink);padding-bottom:.2em;
  border-bottom:1px solid var(--line);transition:border-color .3s,color .3s;background:none;cursor:pointer;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-deep)}
.btn-ghost .ar{transition:transform .3s var(--ease)}
.btn-ghost:hover .ar{transform:translateY(3px)}

/* ---------- section scaffolding ---------- */
section{position:relative}
.band{padding-block:clamp(4.5rem,10vw,8rem)}
.sec-head{display:flex;align-items:baseline;gap:1.2rem;flex-wrap:wrap;margin-bottom:clamp(2.5rem,5vw,4rem)}
.sec-index{font-family:var(--mono);font-size:.8rem;color:var(--accent-deep);letter-spacing:.1em}
.sec-title{font-size:clamp(1.9rem,4.4vw,3.1rem);max-width:20ch}
.sec-lead{color:var(--ink-soft);max-width:48ch;font-size:1.05rem;margin-top:.4rem}

/* ---------- logo bar ---------- */
.logos{border-block:1px solid var(--line);padding-block:clamp(2.2rem,4vw,3rem)}
.logos-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);text-align:center;margin-bottom:2.1rem}
.logo-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1.5rem 1rem;align-items:center}
.logo{text-align:center;font-weight:600;font-size:clamp(.85rem,1.5vw,1.15rem);color:var(--ink);opacity:.42;letter-spacing:-.01em;transition:opacity .4s,transform .4s var(--ease);line-height:1.1;filter:grayscale(1)}
.logo .lo-sub{display:block;font-family:var(--mono);font-weight:400;font-size:.58rem;letter-spacing:.12em;color:var(--ink-soft);text-transform:uppercase;margin-top:.35em;opacity:.9}
.logo.serif{font-family:var(--serif);font-weight:500;font-style:italic}
.logo:hover{opacity:1;transform:translateY(-3px)}
@media(max-width:860px){.logo-grid{grid-template-columns:repeat(3,1fr);gap:2rem 1rem}}
@media(max-width:440px){.logo-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- case studies (home cards) ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.case{
  border-top:2px solid var(--ink);padding:2rem 1.8rem 2.4rem;border-right:1px solid var(--line);
  position:relative;background:transparent;transition:background .4s,transform .4s var(--ease);
  display:flex;flex-direction:column;text-align:left;cursor:pointer;color:inherit;
}
.case:last-child{border-right:none}
.case:hover{background:var(--paper-2);transform:translateY(-4px)}
.case-num{font-family:var(--mono);font-size:.78rem;color:var(--accent-deep);letter-spacing:.1em}
.case-client{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-top:.9rem}
.case-title{font-size:1.5rem;margin-top:.5rem;line-height:1.12}
.case-block{margin-top:1.5rem}
.case-block .lab{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-deep);display:block;margin-bottom:.45em}
.case-block p{font-size:.96rem;color:var(--ink-soft);line-height:1.55}
.case-result{margin-top:1.7rem;padding-top:1.3rem;border-top:1px solid var(--line)}
.case-stat{font-family:var(--serif);font-size:2.5rem;line-height:1;color:var(--ink);letter-spacing:-.02em}
.case-stat .unit{font-size:1.1rem;color:var(--accent);font-style:italic}
.case-result p{font-size:.9rem;color:var(--ink-soft);margin-top:.5rem}
.case-more{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);margin-top:1.4rem;display:inline-flex;align-items:center;gap:.5em}
.case .case-more .ar{transition:transform .3s var(--ease)}
.case:hover .case-more .ar{transform:translateX(4px)}
@media(max-width:880px){.cases{grid-template-columns:1fr}.case{border-right:none;border-bottom:1px solid var(--line)}.case:hover{transform:none}}

/* ---------- services ---------- */
.services{display:grid;gap:0;border-top:1px solid var(--line)}
.svc{display:grid;grid-template-columns:5.5rem 1fr auto;gap:1.5rem;align-items:start;padding:2.4rem 0;border-bottom:1px solid var(--line);position:relative;transition:padding-left .4s var(--ease)}
.svc::before{content:"";position:absolute;left:0;top:0;height:100%;width:0;background:var(--accent);transition:width .4s var(--ease)}
.svc:hover{padding-left:1.4rem}
.svc:hover::before{width:3px}
.svc-num{font-family:var(--mono);font-size:.82rem;color:var(--accent-deep);padding-top:.5rem;letter-spacing:.1em}
.svc-body h3{font-size:clamp(1.5rem,2.8vw,2.1rem)}
.svc-body p{color:var(--ink-soft);max-width:60ch;margin-top:.65rem;font-size:1.02rem}
.svc-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.1rem}
.tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);border:1px solid var(--line);border-radius:999px;padding:.4em .85em}
.svc-meta{font-family:var(--mono);font-size:.74rem;color:var(--ink-soft);text-align:right;padding-top:.6rem;letter-spacing:.04em;white-space:nowrap}
@media(max-width:780px){.svc{grid-template-columns:3rem 1fr;gap:1rem 1rem}.svc-meta{grid-column:1/-1;text-align:left;padding-top:0}}

/* ---------- testimonials (dark) ---------- */
.quotes{background:var(--dark);color:var(--dark-paper);position:relative;overflow:hidden}
.quotes .eyebrow,.quotes .sec-index{color:#E89077}
.quotes .eyebrow::before{background:var(--accent)}
.quote-stage{position:relative;min-height:clamp(15rem,30vw,17rem);margin-top:1rem}
.quote{position:absolute;inset:0;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.quote.active{opacity:1;visibility:visible;transform:none;position:relative}
.quote .mark{font-family:var(--serif);font-size:5rem;line-height:.5;color:var(--accent);display:block;height:1.6rem}
blockquote{font-family:var(--serif);font-size:clamp(1.45rem,3.4vw,2.5rem);line-height:1.28;font-weight:300;max-width:24ch;margin-top:1rem;letter-spacing:-.01em}
.quote cite{display:block;margin-top:1.8rem;font-style:normal;font-family:var(--mono);font-size:.8rem;letter-spacing:.05em;color:#C9BFAE}
.quote cite b{color:var(--dark-paper);font-weight:500}
.q-controls{display:flex;align-items:center;gap:1.5rem;margin-top:2.6rem}
.q-dots{display:flex;gap:.7rem}
.q-dot{width:8px;height:8px;border-radius:50%;background:rgba(244,239,228,.28);border:none;cursor:pointer;padding:0;transition:background .3s,transform .3s}
.q-dot.active{background:var(--accent);transform:scale(1.3)}
.q-arrows{display:flex;gap:.6rem;margin-left:auto}
.q-btn{width:46px;height:46px;border-radius:50%;border:1px solid rgba(244,239,228,.28);background:transparent;color:var(--dark-paper);cursor:pointer;display:grid;place-items:center;transition:all .3s var(--ease);font-size:1rem}
.q-btn:hover{background:var(--accent);border-color:var(--accent)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.bio p{font-size:clamp(1.05rem,1.5vw,1.18rem);color:var(--ink-2);line-height:1.7;max-width:60ch}
.bio p + p{margin-top:1.2rem}
.bio p:first-of-type::first-letter{font-family:var(--serif);font-size:4.2rem;line-height:.72;float:left;padding:.06em .12em 0 0;color:var(--accent);font-weight:500}
.caps{margin-top:2.4rem}
.caps .lab{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-deep);display:block;margin-bottom:1rem}
.caps-list{display:flex;flex-wrap:wrap;gap:.55rem}
.portrait-wrap{position:sticky;top:100px}
figure.portrait{margin:0;border:1px solid var(--line);background:var(--paper-2);padding:.7rem .7rem 1rem}
.portrait .frame{aspect-ratio:4/5;background:var(--ink);position:relative;overflow:hidden;display:grid;place-items:center}
.portrait .frame svg{width:78%;height:78%;opacity:.92}
.portrait .ph-tag{position:absolute;top:.7rem;left:.7rem;font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper);background:rgba(0,0,0,.35);padding:.4em .7em;border:1px solid rgba(244,239,228,.25)}
figure.portrait figcaption{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-soft);margin-top:.85rem;display:flex;justify-content:space-between}
figure.portrait figcaption b{color:var(--ink);font-weight:500}
@media(max-width:860px){.about-grid{grid-template-columns:1fr}.portrait-wrap{position:static;max-width:340px}}

/* ---------- newsletter ---------- */
.news{background:var(--paper-2);border-block:1px solid var(--line)}
.news-inner{max-width:680px;margin:0 auto;text-align:center}
.news h2{font-size:clamp(2rem,5vw,3.4rem);margin-top:1.2rem}
.news p{color:var(--ink-soft);margin-top:1.1rem;font-size:1.05rem;max-width:46ch;margin-inline:auto}
form.signup{display:flex;gap:.6rem;margin-top:2.4rem;max-width:480px;margin-inline:auto}
form.signup input{flex:1;min-width:0;font-family:var(--sans);font-size:1rem;padding:1.05em 1.2em;background:var(--paper);border:1px solid var(--ink);border-radius:999px;color:var(--ink);transition:border-color .3s,box-shadow .3s}
form.signup input::placeholder{color:var(--ink-soft)}
form.signup input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(197,64,42,.14)}
form.signup .btn{padding-inline:1.5em}
.news-fine{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--ink-soft);margin-top:1.2rem}
.news-ok{font-family:var(--mono);font-size:.85rem;color:var(--accent-deep);margin-top:1.5rem;letter-spacing:.04em;min-height:1.2em}
@media(max-width:520px){form.signup{flex-direction:column;border-radius:18px}form.signup input,form.signup .btn{width:100%;justify-content:center}}

/* ---------- case-study detail page ---------- */
.cs{padding-top:clamp(2.5rem,6vw,4.5rem);padding-bottom:clamp(4rem,9vw,7rem)}
.back-link{display:inline-flex;align-items:center;gap:.55em;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);background:none;border:none;cursor:pointer;transition:color .3s;padding:0}
.back-link:hover{color:var(--accent-deep)}
.back-link .ar{transition:transform .3s var(--ease)}
.back-link:hover .ar{transform:translateX(-4px)}
.cs-client{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep);margin-top:2.4rem;display:block}
.cs-title{font-size:clamp(2.2rem,6vw,4rem);margin-top:1rem;max-width:18ch}
.cs-role{font-family:var(--mono);font-size:.8rem;color:var(--ink-soft);margin-top:1.1rem;letter-spacing:.03em}
.cs-summary{font-size:clamp(1.15rem,2vw,1.5rem);font-family:var(--serif);font-weight:300;line-height:1.4;color:var(--ink-2);max-width:42ch;margin-top:2.2rem;border-left:2px solid var(--accent);padding-left:1.4rem}
.cs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(3rem,6vw,5rem);border-top:1px solid var(--line)}
.cs-col{border-right:1px solid var(--line);padding:2rem 1.6rem}
.cs-col:last-child{border-right:none}
.cs-col h3{font-family:var(--mono);font-weight:500;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:1.2rem}
.cs-list{list-style:none}
.cs-list li{position:relative;padding-left:1.3rem;color:var(--ink-2);font-size:.98rem;line-height:1.55;margin-bottom:1rem}
.cs-list li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;background:var(--accent);border-radius:50%}
.cs-list.outcomes li{font-weight:500;color:var(--ink)}
@media(max-width:820px){.cs-grid{grid-template-columns:1fr}.cs-col{border-right:none;border-bottom:1px solid var(--line)}.cs-col:last-child{border-bottom:none}}
.cs-stackrow{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:clamp(2.5rem,5vw,3.5rem);padding-top:2rem;border-top:1px solid var(--line)}
.cs-stackrow .lab{flex-basis:100%;font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.4rem}
.cs-cta{margin-top:clamp(3rem,6vw,5rem);padding:clamp(2.2rem,5vw,3.5rem);background:var(--ink);color:var(--paper);border-radius:4px;display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap}
.cs-cta h3{font-size:clamp(1.4rem,3vw,2rem);max-width:18ch;color:var(--paper)}
.cs-cta .btn{background:var(--accent);border-color:var(--accent)}
.cs-cta .btn:hover{background:var(--paper);border-color:var(--paper);color:var(--ink)}

/* ---------- not found ---------- */
.nf{min-height:60vh;display:grid;place-content:center;text-align:center;padding-block:6rem}
.nf .code{font-family:var(--serif);font-size:clamp(5rem,18vw,11rem);color:var(--accent);line-height:.9}
.nf h2{font-size:clamp(1.6rem,4vw,2.4rem);margin-top:1rem}
.nf p{color:var(--ink-soft);margin-top:1rem}
.nf .btn{margin-top:2.2rem}

/* ---------- footer ---------- */
footer.site{background:var(--ink);color:var(--paper);padding-block:clamp(3.5rem,7vw,5.5rem)}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem}
.foot-brand .brand{color:var(--paper);font-size:2rem}
.foot-brand .tld{color:#B9AE9B}
.foot-tagline{color:#C9BFAE;max-width:34ch;margin-top:1.1rem;font-size:1rem;line-height:1.55}
.foot-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:#8E8472;font-weight:500;margin-bottom:1.1rem}
.foot-col a,.foot-col .li,.foot-col button{display:block;color:#D8CFBE;font-size:.95rem;margin-bottom:.7rem;transition:color .3s;width:fit-content;background:none;border:none;cursor:pointer;padding:0;text-align:left;font-family:inherit}
.foot-col a:hover,.foot-col button:hover{color:var(--accent)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:clamp(2.5rem,5vw,4rem);padding-top:1.8rem;border-top:1px solid rgba(244,239,228,.16)}
.foot-bottom p{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:#8E8472}
.foot-lineage{font-family:var(--mono);font-size:.72rem;color:#B9AE9B;letter-spacing:.03em}
.foot-lineage .arr{color:var(--accent)}
@media(max-width:760px){.foot-top{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media(max-width:480px){.foot-top{grid-template-columns:1fr}}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .view{animation:none}
}