/* Layout: single column of full-width bands; hero pairs the pitch with a 4-layer "stack" that encodes the full-cycle thesis */
:root{
  --bg:#F2F4F1; --surface:#FFFFFF; --ink:#13201C; --muted:#56655F; --line:#D3DCD7;
  --accent:#2445C8; --accent-soft:#E3E8FB; --ok:#0F766E; --ok-soft:#DDF1EE; --warn:#9A5B00; --warn-soft:#FBEEDA;
  --display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1513; --surface:#15201C; --ink:#E4ECE8; --muted:#97A8A1; --line:#2A3833;
  --accent:#8EA6FF; --accent-soft:#1C2647; --ok:#5ED1C1; --ok-soft:#123430; --warn:#F2B865; --warn-soft:#3A2A12; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1513; --surface:#15201C; --ink:#E4ECE8; --muted:#97A8A1; --line:#2A3833;
  --accent:#8EA6FF; --accent-soft:#1C2647; --ok:#5ED1C1; --ok-soft:#123430; --warn:#F2B865; --warn-soft:#3A2A12; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
.wrap{max-width:1080px;margin:0 auto}
a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);line-height:1.1;text-wrap:balance;margin:0}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
section{padding-block:72px;border-top:1px solid var(--line)}
.sec-head{display:grid;gap:10px;margin-bottom:36px;max-width:640px}
.sec-head h2{font-size:clamp(28px,4vw,40px);font-weight:700}
.sec-head p{color:var(--muted)}

/* nav */
nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:20px;flex-wrap:wrap}
.brand{font-family:var(--display);font-weight:800;font-size:20px;letter-spacing:-.01em}
.brand span{color:var(--accent)}
nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover{color:var(--ink)}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-block:48px 72px}
.hero > *{min-width:0}
.hero h1{font-size:clamp(36px,5.6vw,62px);font-weight:800;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{font-size:18px;color:var(--muted);max-width:56ch;margin-top:20px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:8px;font-weight:600;text-decoration:none;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:var(--body)}
.btn-primary{background:var(--accent);color:var(--bg)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;font-family:var(--mono);font-size:13px;color:var(--muted)}

/* stack diagram */
.stack{display:grid;gap:8px}
.stack-cap{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;margin-bottom:4px}
.layer{display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;transition:transform .25s ease,border-color .25s ease}
.layer:hover{transform:translateX(-4px);border-color:var(--accent)}
.layer .lv{font-family:var(--mono);font-size:12px;color:var(--accent);font-weight:500}
.layer b{font-family:var(--display);font-size:17px;font-weight:700;display:block}
.layer small{color:var(--muted);font-size:13px;font-family:var(--mono)}
.layer:nth-child(3){margin-left:12px}
.layer:nth-child(4){margin-left:24px}
.layer:nth-child(5){margin-left:36px}
.stack-foot{font-size:13px;color:var(--muted);margin-top:6px}

/* services */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.svc{padding:28px 28px 28px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start}
.svc:nth-child(odd){border-right:1px solid var(--line)}
.svc:nth-child(even){padding-left:28px;padding-right:0}
.svc h3{font-size:22px;font-weight:700}
.svc p{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--mono);font-size:12px;padding:3px 8px;border-radius:4px;background:var(--accent-soft);color:var(--accent)}

/* projects */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.filters button{font-family:var(--mono);font-size:13px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.filters .n{opacity:.6;margin-left:4px}
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.proj{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;display:grid;gap:14px;align-content:start;min-width:0}
.proj-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.kind{font-family:var(--mono);font-size:12px;color:var(--muted)}
.status{font-family:var(--mono);font-size:11px;padding:3px 8px;border-radius:4px;white-space:nowrap}
.st-live{background:var(--ok-soft);color:var(--ok)}
.st-dev{background:var(--warn-soft);color:var(--warn)}
.st-plan{background:var(--accent-soft);color:var(--accent)}
.proj h3{font-size:21px;font-weight:700}
.proj dl{display:grid;grid-template-columns:84px 1fr;gap:6px 12px;margin:0;font-size:15px}
.proj dt{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:3px}
.proj dd{margin:0}
.layers-row{display:flex;gap:4px;flex-wrap:wrap}
.lt{font-family:var(--mono);font-size:11px;padding:2px 7px;border:1px solid var(--line);border-radius:4px;color:var(--muted)}
.lt.on{border-color:var(--accent);color:var(--accent)}
.legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--muted)}
.legend .status{margin-right:6px}

/* daily tools: one row per category, layer code on the left, tools as chips */
.toolset{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid var(--line)}
.tcat{display:grid;grid-template-columns:150px 1fr;gap:12px;align-items:start;padding-block:16px;border-bottom:1px solid var(--line);min-width:0}
.tcat h3{font-size:16px;font-weight:700;display:grid;gap:2px}
.tcat h3 span{font-family:var(--mono);font-size:11px;font-weight:400;color:var(--accent)}
.tcat .chips{min-width:0}
.tool{font-family:var(--mono);font-size:12px;padding:3px 8px;border-radius:4px;border:1px solid var(--line);color:var(--ink)}
.routine{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.routine div{display:grid;gap:6px;align-content:start}
.routine b{font-family:var(--display);font-size:17px}
.routine p{font-size:14px;color:var(--muted)}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;gap:8px;align-content:start;padding-top:16px;border-top:2px solid var(--ink)}
.steps li::before{content:"0" counter(s);font-family:var(--mono);font-size:13px;color:var(--accent)}
.steps b{font-family:var(--display);font-size:18px}
.steps p{font-size:14px;color:var(--muted)}
.spec-note{margin-top:28px;padding:16px 18px;border:1px dashed var(--line);border-radius:10px;font-size:15px;max-width:760px}
.spec-note code{font-family:var(--mono);font-size:13px;color:var(--accent)}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.cmp{padding:24px;border-radius:12px;border:1px solid var(--line)}
.cmp.me{background:var(--surface);border-color:var(--accent)}
.cmp h3{font-size:19px;margin-bottom:14px}
.cmp ul{margin:0;padding-left:18px;display:grid;gap:8px;color:var(--muted)}
.cmp.me ul{color:var(--ink)}

/* contact */
.contact{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.contact > *{min-width:0}
.contact h2{font-size:clamp(30px,4.6vw,48px);font-weight:800;letter-spacing:-.02em}
.contact .lead{color:var(--muted);margin-top:14px;max-width:52ch}
.cards{display:grid;gap:12px}
.ccard{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.ccard .eyebrow{display:block;margin-bottom:2px}
.ccard .val{font-family:var(--mono);font-size:15px;user-select:all;word-break:break-all}
.copy{font-family:var(--mono);font-size:12px;padding:6px 10px;border-radius:6px;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
footer{padding-block:28px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media (max-width:860px){
  .hero,.contact{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:1fr 1fr}
  .toolset{grid-template-columns:1fr}
  .routine{grid-template-columns:1fr}
}
@media (max-width:640px){
  section{padding-block:56px}
  .services,.projects,.compare,.steps{grid-template-columns:1fr}
  .svc,.svc:nth-child(even){padding:24px 0;border-right:none}
  .tcat{grid-template-columns:1fr;gap:8px}
  .layer:nth-child(n){margin-left:0}
  nav ul{gap:14px}
  .proj dl{grid-template-columns:1fr;gap:2px}
  .proj dd{margin-bottom:8px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}

/* utilities replacing inline style attributes (CSP without 'unsafe-inline') */
.mt-12{margin-top:12px}
.mt-14{margin-top:14px}
/* author display rules (.proj, .filters) would otherwise override the hidden attribute */
[hidden]{display:none!important}

/* contact actions: copy button plus direct link */
.ccard-actions{display:flex;gap:8px}
a.copy{text-decoration:none;display:inline-flex;align-items:center}

/* phone: title, lead, and the primary CTA fit in the first screen */
@media (max-width:640px){
  .hero{padding-block:16px 56px}
  .hero h1{font-size:31px}
  .hero .lead{font-size:16px;margin-top:14px}
  .cta-row{margin-top:20px}
}

/* print: content only, black on white, cards kept whole */
@media print{
  :root,:root:not([data-theme="light"]){--bg:#fff;--surface:#fff;--ink:#000;--muted:#333;--line:#bbb;color-scheme:light}
  body{background:#fff;color:#000}
  nav,.filters,.cta-row,.copy,.ccard-actions{display:none!important}
  .proj[hidden]{display:grid!important}
  section{padding-block:24px}
  .proj,.svc,.tcat,.steps li,.cmp,.ccard,.layer{break-inside:avoid}
}