/* Brianna Bates — AI Operations Portfolio.
   Refined-editorial system. Self-contained: no web fonts, no external assets. */

:root{
  --paper:#fbfaf6;        /* warm off-white background */
  --paper-2:#f3f1e9;      /* soft panel */
  --card:#ffffff;
  --ink:#1c1b17;          /* warm near-black */
  --muted:#6b685f;        /* secondary text */
  --faint:#8d897d;
  --green:#145d46;        /* deep refined green */
  --green-2:#1c7b5c;      /* brighter accent / links */
  --green-wash:#eef4f0;   /* tag / panel wash */
  --green-line:#cfe3d9;
  --line:#e7e3d8;         /* hairline */
  --line-2:#d9d4c6;       /* stronger rule */
  --gold:#9c6b1f;         /* rare warm accent */
  --max:1040px;           /* outer container */
  --col:716px;            /* reading column */
  --serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Cascadia Code","Segoe UI Mono",Menlo,Consolas,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 26px}

/* ---------- Icon sprite ---------- */
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ic{width:1em;height:1em;display:inline-block;vertical-align:-0.125em;fill:none;
  stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Header / nav ---------- */
header.site{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.88);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px}
.brand{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.2px;color:var(--ink)}
.brand .dot{color:var(--green-2)}
nav.main{display:flex;flex-wrap:wrap;align-items:center}
nav.main a{margin-left:22px;color:var(--muted);font-size:14px;font-weight:500;letter-spacing:.2px}
nav.main a:hover{color:var(--green-2);text-decoration:none}
nav.main a.active{color:var(--ink)}
@media(max-width:620px){
  header.site .wrap{flex-direction:column;align-items:flex-start;min-height:0;padding-top:12px;padding-bottom:12px;gap:8px}
  nav.main{margin-left:-22px}
  nav.main a{margin:4px 0 0 22px}
}

/* ---------- Shared type ---------- */
.eyebrow{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;
  font-size:12px;font-weight:600;color:var(--green-2);margin:0 0 14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--green-2);opacity:.6;display:inline-block}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);letter-spacing:-.01em;line-height:1.18}
.dek{font-family:var(--serif);font-style:italic;font-size:21px;line-height:1.5;color:var(--muted);
  margin:6px 0 0;font-weight:500}
.muted{color:var(--muted)}
strong{font-weight:600}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--green);color:#fff;
  padding:12px 22px;border-radius:2px;font-weight:600;font-size:15px;letter-spacing:.2px;
  margin:0 12px 12px 0;border:1px solid var(--green);transition:background .15s,transform .15s}
.btn:hover{background:#0f4d3a;text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--green);border-color:var(--green-line)}
.btn.ghost:hover{background:var(--green-wash);border-color:var(--green)}
.btn .ic{font-size:18px;stroke-width:1.7}
.cta-row{margin-top:30px}

/* ---------- Client-facing service blocks ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.service-card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:24px;
  box-shadow:0 10px 28px rgba(20,40,30,.045)}
.service-card .num{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--green-2);margin:0 0 10px}
.service-card h3{font-size:21px;margin:0 0 10px}
.service-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px}
.service-card ul{padding-left:18px;margin:0;color:var(--muted);font-size:14px}
.service-card li{margin:7px 0}
.proof-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-top:30px}
.proof-item{background:var(--card);padding:20px}
.proof-item strong{display:block;font-family:var(--serif);font-size:20px;color:var(--ink);margin-bottom:5px}
.proof-item span{font-size:13px;color:var(--muted);line-height:1.45}
.fit-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 26px;margin:24px 0 0;padding:0;list-style:none}
.fit-list li{position:relative;padding-left:22px;color:var(--muted)}
.fit-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--green-2);transform:rotate(45deg)}
@media(max-width:820px){.service-grid{grid-template-columns:1fr}.proof-strip{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.proof-strip,.fit-list{grid-template-columns:1fr}}

/* ---------- Hero ---------- */
.hero{border-bottom:1px solid var(--line);padding:78px 0 64px;
  background:linear-gradient(180deg,#fff 0%,var(--paper) 100%)}
.hero h1{font-size:clamp(32px,4.6vw,50px);line-height:1.12;margin:0 0 22px;max-width:22ch}
.hero .lede{font-size:21px;line-height:1.6;color:var(--muted);max-width:60ch;margin:0}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--faint);margin:0 0 20px}
.meta-tags{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0}
.tag{display:inline-block;background:var(--green-wash);color:var(--green);border:1px solid var(--green-line);
  border-radius:2px;padding:5px 12px;font-size:12.5px;font-weight:600;letter-spacing:.02em}

/* ---------- Generic section ---------- */
section{padding:60px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:0}
section h2{font-size:clamp(26px,3.4vw,33px);margin:0 0 22px}
.lead-col{max-width:62ch}

/* ---------- Index project list ---------- */
.work{display:flex;flex-direction:column;gap:0}
.entry{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center;
  padding:42px 0;border-top:1px solid var(--line)}
.entry:first-child{border-top:0}
.entry .num{font-family:var(--serif);font-size:15px;color:var(--green-2);letter-spacing:.04em;margin:0 0 10px}
.entry h3{font-size:26px;margin:0 0 12px;line-height:1.22}
.entry p{margin:0 0 18px;color:var(--muted)}
.entry .thumb-fig{margin:0}
.entry .thumb{display:block;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--paper-2);
  box-shadow:0 10px 30px rgba(20,40,30,.06)}
.entry .thumb img{width:100%;height:auto;max-height:300px;object-fit:contain;background:var(--paper-2);display:block}
.entry .thumb-cap{font-size:12.5px;color:var(--faint);font-style:italic;line-height:1.45;margin:10px 2px 0}
.entry.flip .thumb-fig{order:-1}
.more{font-weight:600;font-size:14.5px;font-family:var(--sans);display:inline-flex;align-items:center;gap:7px}
.more .ic{font-size:16px}
@media(max-width:740px){
  .entry{grid-template-columns:1fr;gap:20px;padding:34px 0}
  .entry.flip .thumb-fig{order:0}
}

/* ---------- Slideshow ---------- */
.slideshow{max-width:940px;margin:36px auto}
.slideshow .ss-stage{position:relative}
.slide{margin:0;display:none}
.slide.is-active{display:block}
.slide img{width:100%;max-height:560px;object-fit:contain;background:var(--paper-2);
  border:1px solid var(--line);border-radius:4px;box-shadow:0 14px 40px rgba(20,40,30,.07)}
.slide figcaption{font-size:13.5px;color:var(--faint);font-style:italic;line-height:1.5;text-align:center;margin-top:12px;padding:0 8px}
.ss-prev,.ss-next{position:absolute;top:42%;transform:translateY(-50%);z-index:2;
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.92);
  color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(20,40,30,.12);transition:background .15s,border-color .15s}
.ss-prev:hover,.ss-next:hover{background:var(--green-wash);border-color:var(--green)}
.ss-prev{left:12px} .ss-next{right:12px}
.ss-prev .ic,.ss-next .ic{width:20px;height:20px;stroke:var(--green);fill:none}
.ss-bar{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:16px}
.ss-dots{display:flex;gap:9px}
.ss-dot{width:9px;height:9px;padding:0;border-radius:50%;border:1px solid var(--green);background:transparent;cursor:pointer}
.ss-dot.is-active{background:var(--green)}
.ss-count{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.04em}
.slideshow.single .ss-prev,.slideshow.single .ss-next,.slideshow.single .ss-bar{display:none}

/* ---------- Tool chips ---------- */
.tools{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.tools.lg{margin:22px 0}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line-2);
  background:var(--card);border-radius:2px;padding:6px 11px;font-size:13px;font-weight:500;color:var(--ink)}
.chip .ic{font-size:15px;color:var(--green-2)}

/* ---------- Case-study layout ---------- */
.case .wrap > *{max-width:var(--col);margin-left:auto;margin-right:auto}
.case-head{padding:64px 0 30px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fff 0%,var(--paper) 100%)}
.case-head .wrap > *{max-width:760px}
.case-head h1{font-size:clamp(32px,4.6vw,46px);margin:0 0 4px}
.case-body{padding:50px 0 8px}
.case-body h2{font-size:27px;margin:46px 0 14px}
.case-body h2:first-child{margin-top:0}
.case-body h3{font-size:20px;margin:30px 0 8px}
.case-body p{margin:0 0 18px}
.case-body ul,.case-body ol{margin:0 0 20px;padding-left:22px}
.case-body li{margin:8px 0}
.case-body ul.spaced li{margin:12px 0}

.report-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:26px auto 0}

/* numbered "before" list */
ol.steps{list-style:none;padding:0;counter-reset:s}
ol.steps li{counter-increment:s;position:relative;padding:0 0 0 46px;margin:14px 0}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;font-family:var(--mono);
  font-size:13px;color:var(--green-2);border:1px solid var(--green-line);border-radius:999px;
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--green-wash)}

/* failure-point / callout list */
ul.flags{list-style:none;padding:0}
ul.flags li{position:relative;padding-left:22px;margin:14px 0}
ul.flags li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:1px;
  background:var(--gold);transform:rotate(45deg)}

/* ---------- Figures ---------- */
.figure{max-width:940px;margin:38px auto;text-align:center}
.figure img{width:100%;border:1px solid var(--line);border-radius:4px;background:var(--card);
  box-shadow:0 14px 40px rgba(20,40,30,.07)}
.figure.frame img{padding:0}
.figure.shot img{max-width:760px;margin:0 auto}
figcaption{font-size:13.5px;color:var(--faint);margin-top:12px;font-style:italic;line-height:1.5}

/* ---------- Architecture / layer table ---------- */
table{width:100%;border-collapse:collapse;margin:22px auto;font-size:15px}
thead th{text-align:left;font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;
  font-weight:600;color:var(--muted);padding:0 14px 10px;border-bottom:1.5px solid var(--line-2)}
tbody td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.55}
tbody tr:last-child td{border-bottom:1.5px solid var(--line-2)}
td .lyr{font-weight:600}
.metrics td:nth-child(2){font-variant-numeric:tabular-nums;font-weight:600;color:var(--green)}

/* ---------- Blockquote / pull stat ---------- */
blockquote{margin:30px auto;padding:6px 0 6px 26px;border-left:2.5px solid var(--green);
  font-family:var(--serif);font-style:italic;font-size:22px;line-height:1.5;color:var(--ink);max-width:var(--col)}
blockquote cite{display:block;font-family:var(--sans);font-style:normal;font-size:13px;
  color:var(--faint);margin-top:10px;letter-spacing:.02em}

/* ---------- Mock transcript ---------- */
.transcript{max-width:var(--col);margin:26px auto;border:1px solid var(--line);border-radius:6px;
  background:var(--card);overflow:hidden}
.transcript .t-head{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);padding:12px 20px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.transcript dl{margin:0;padding:18px 20px}
.transcript dt{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  font-weight:600;margin:14px 0 3px}
.transcript dt:first-child{margin-top:0}
.transcript dt.ai{color:var(--green-2)}
.transcript dt.caller{color:var(--gold)}
.transcript dd{margin:0 0 4px;font-size:15px;line-height:1.55;color:var(--ink)}
.transcript .t-out{padding:14px 20px;border-top:1px solid var(--line);background:var(--paper);
  font-size:13.5px;color:var(--muted)}

/* ---------- Panel / aside ---------- */
.panel{max-width:var(--col);margin:26px auto;background:var(--paper-2);border:1px solid var(--line);
  border-radius:6px;padding:22px 26px}
.panel h3{margin:0 0 8px;font-size:18px}
.panel.go{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:0;overflow:hidden}
.panel.go div{padding:20px 24px}
.panel.go .go-y{border-right:1px solid var(--line)}
.panel.go h4{margin:0 0 8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.panel.go .go-y h4{color:var(--green-2)}
.panel.go .go-n h4{color:var(--gold)}
.panel.go p{font-size:14.5px;color:var(--muted);margin:0}
@media(max-width:600px){.panel.go{grid-template-columns:1fr}.panel.go .go-y{border-right:0;border-bottom:1px solid var(--line)}}

/* ---------- Note / disclaimer ---------- */
.note{max-width:var(--col);margin:44px auto 0;font-size:13px;color:var(--faint);font-style:italic;
  border-top:1px solid var(--line);padding-top:18px;line-height:1.6}
.backlink{display:inline-flex;align-items:center;gap:8px;margin:34px auto 0;font-weight:600;font-size:14.5px}
.backlink .ic{font-size:16px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr;gap:0;max-width:760px;margin:0 auto}
.about-grid h3{font-size:20px;margin:34px 0 10px}
ul.clean{padding-left:20px}
ul.clean li{margin:9px 0}

/* ---------- Footer ---------- */
footer.site{padding:46px 0;color:var(--muted);font-size:14px;background:var(--paper-2);border-top:1px solid var(--line)}
footer.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:flex-start}
footer.site a{color:var(--green-2);font-weight:600}
footer.site .fine{font-size:12px;color:var(--faint);max-width:62ch;line-height:1.6;margin-top:4px}
.foot-brand{font-family:var(--serif);font-size:18px;color:var(--ink)}

/* ---------- Print ---------- */
@media print{
  header.site,footer.site,.cta-row,.report-bar,.backlink{display:none}
  body{background:#fff;font-size:12pt}
  .figure img,.transcript,.panel{box-shadow:none}
}