/* YourCity Solutions — site styles. Design tokens live in :root; dark theme overrides follow. */
:root{
  --ink:#0F3FBF; --ink-2:#1656E8; --text:#0F1B2D; --muted:#4F6178; --line:#DCE5F2;
  --ground:#FFFFFF; --surface:#F3F7FD; --surface-2:#E3ECFA;
  --accent:#1E5EFF; --accent-soft:#E6EEFF; --warm:#FFB020; --ochre:#F59E0B; --ochre-soft:#FFF1D1; --teal:#00A6A6;
  --on-ink:#FFFFFF; --on-ink-muted:#C7D6FF;
  --radius:8px; --gutter:clamp(16px,4vw,48px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#0B2A7A; --ink-2:#123AA6; --text:#EAF0FA; --muted:#A3B3CC; --line:#25324A;
    --ground:#0E1524; --surface:#141E33; --surface-2:#1C2A46;
    --accent:#5B8CFF; --accent-soft:#1A2A4F; --warm:#FFC24D; --ochre:#FBBF24; --ochre-soft:#3B2E10; --teal:#3DD6D6;
    --on-ink:#FFFFFF; --on-ink-muted:#BFD0FF;
  }
}
:root[data-theme="dark"]{
  --ink:#0B2A7A; --ink-2:#123AA6; --text:#EAF0FA; --muted:#A3B3CC; --line:#25324A;
  --ground:#0E1524; --surface:#141E33; --surface-2:#1C2A46;
  --accent:#5B8CFF; --accent-soft:#1A2A4F; --warm:#FFC24D; --ochre:#FBBF24; --ochre-soft:#3B2E10; --teal:#3DD6D6;
  --on-ink:#FFFFFF; --on-ink-muted:#BFD0FF;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--text);font-family:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:Archivo,"Helvetica Neue",Arial,sans-serif;text-wrap:balance;margin:0;line-height:1.1;letter-spacing:-0.015em}
h1{font-size:clamp(2.4rem,5.5vw,4.25rem);font-weight:800}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0}
a{color:inherit}
.mono{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace}
.eyebrow{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:500}
.wrap{max-width:1180px;margin:0 auto;padding-inline:var(--gutter)}
section{padding-block:clamp(56px,8vw,112px)}
.section-head{display:grid;gap:14px;max-width:720px;margin-bottom:clamp(32px,4vw,56px)}
.section-head p{color:var(--muted);font-size:1.1rem}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius);font-family:Archivo,sans-serif;font-weight:600;font-size:.95rem;text-decoration:none;border:1.5px solid transparent;transition:transform .15s ease,background .15s ease;white-space:nowrap}
.btn:focus-visible{outline:3px solid var(--warm);outline-offset:2px}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 6px 18px -8px rgba(30,94,255,.6)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface)}
.btn-inverse{background:var(--warm);color:#1B1300;border-color:var(--warm)}

/* nav */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:Archivo,sans-serif;font-weight:800;font-size:1.1rem;letter-spacing:-.01em}
.brand .logo{height:56px;width:auto;display:block}
.logo{height:56px;width:auto;display:block}
.logo.logo-light{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .logo.logo-dark{display:none} :root:not([data-theme="light"]) .logo.logo-light{display:block}}
:root[data-theme="dark"] .logo.logo-dark{display:none}
:root[data-theme="dark"] .logo.logo-light{display:block}
.nav{height:80px}
.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;font-weight:500;color:var(--muted);font-size:.95rem}
.nav-links a:hover{color:var(--text)}
@media (max-width:760px){.nav-links{display:none}}

/* hero */
.hero{padding-block:clamp(48px,7vw,96px) clamp(40px,6vw,80px);background:linear-gradient(180deg,var(--surface) 0%,var(--ground) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero-copy{display:grid;gap:22px}
.hero-copy .lede{font-size:1.25rem;color:var(--muted);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.proof{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:.95rem;flex-wrap:wrap}
.proof b{color:var(--text);font-weight:600}
.map-card{position:relative;background:var(--ground);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(30,94,255,.35);max-width:100%}
.map-card canvas{display:block;width:100%;height:auto;max-width:100%}
.map-legend{position:absolute;left:14px;bottom:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;display:grid;gap:6px;font-size:.8rem}
.map-legend div{display:flex;align-items:center;gap:8px}
.sw{width:22px;height:10px;border-radius:2px;display:inline-block}
.sw.lot{background:var(--surface-2);border:1px solid var(--muted)}
.sw.des{background:var(--ochre-soft);border:2px solid var(--warm)}
.sw.arch{background:transparent;border:2px dashed var(--teal)}
.map-tag{position:absolute;top:14px;right:14px;background:var(--accent);color:var(--on-ink);font-family:"IBM Plex Mono",monospace;font-size:.72rem;padding:6px 10px;border-radius:4px;letter-spacing:.06em}

/* point of view */
.pov{background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 60%,#1E7BE8 100%);color:var(--on-ink)}
.pov-grid{display:grid;grid-template-columns:1fr;gap:18px;align-items:start}
.pov blockquote{margin:0;font-family:Archivo,sans-serif;font-size:clamp(1.5rem,3vw,2.4rem);font-weight:700;line-height:1.2;letter-spacing:-.015em;max-width:22em}
.pov .eyebrow{color:var(--warm)}
.pov p.sub{color:var(--on-ink-muted);margin-top:18px;max-width:46em;font-size:1.08rem}
.gis-first{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
@media (max-width:760px){.gis-first{grid-template-columns:1fr}}
.gis-first div{display:grid;gap:8px;padding:20px 22px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius);background:rgba(255,255,255,.08)}
.gis-first b{font-family:Archivo,sans-serif;font-size:.95rem}
.gis-first span{color:var(--on-ink-muted);font-size:.97rem}

/* platform */
.products{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:820px){.products{grid-template-columns:1fr}}
.product-wide{grid-column:1 / -1}
.product-wide ul{columns:2;column-gap:32px}
@media (max-width:820px){.product-wide ul{columns:1}}
.product{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:clamp(22px,3vw,34px);display:grid;gap:16px;align-content:start}
.product .status{display:inline-flex;align-items:center;gap:6px;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.product .status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 25%,transparent)}
.product h3{font-size:1.5rem}
.product ul{margin:0;padding-left:1.1em;color:var(--muted);display:grid;gap:6px}
.product .foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px;margin-top:6px}
.product .foot span{font-size:.9rem;color:var(--muted)}

/* ai */
.ai{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--ground)}
@media (max-width:1000px){.ai-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ai-grid{grid-template-columns:1fr}}
.ai-item{padding:24px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:8px;align-content:start}
.ai-item h3{font-size:1.05rem}
.ai-item p{color:var(--muted);font-size:.95rem}
.ai-item p a{color:var(--accent);font-weight:600}
.ai-gov{margin-top:28px;display:grid;gap:10px;max-width:60em;padding:22px 24px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius) var(--radius) 0}
.ai-gov p{color:var(--muted)}

/* services ladder */
.ladder{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
@media (max-width:1000px){.ladder{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.ladder{grid-template-columns:1fr}}
.rung{padding:24px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start}
.rung .k{font-family:"IBM Plex Mono",monospace;font-size:.75rem;color:var(--accent);letter-spacing:.08em;background:var(--accent-soft);padding:3px 8px;border-radius:999px;justify-self:start}
.rung h3{font-size:1.05rem}
.rung p{color:var(--muted);font-size:.95rem}
.rung .t{font-size:.85rem;color:var(--text);font-weight:600;margin-top:auto}
.ladder-note{color:var(--muted);font-size:.95rem;margin-top:14px;max-width:60em}

/* trusted */
.trusted{padding-block:clamp(32px,4vw,48px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.trusted .wrap{display:flex;align-items:center;gap:clamp(20px,4vw,56px);flex-wrap:wrap}
.trusted .lbl{color:var(--muted);font-size:.9rem;white-space:nowrap}
.marks{display:flex;gap:clamp(20px,4vw,56px);flex-wrap:wrap;align-items:center}
.mark{font-family:Archivo,sans-serif;font-weight:700;font-size:1.05rem;color:var(--text);letter-spacing:-.01em}
.mark small{display:block;font-family:"IBM Plex Mono",monospace;font-weight:400;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}

/* case studies */
.cases{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1060px){.cases{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.cases{grid-template-columns:1fr}}
.case{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;text-decoration:none;color:inherit}
a.case:hover{border-color:var(--accent);box-shadow:0 12px 30px -18px rgba(30,94,255,.5)}
a.case:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.rung p a{color:var(--teal);font-weight:600}
.case-wide{grid-column:span 2}
@media (max-width:960px){.case-wide{grid-column:span 2}}
@media (max-width:620px){.case-wide{grid-column:span 1}}
.case-wide .thumb{height:230px}
@media (max-width:620px){.case-wide .thumb{height:170px}}
.case-cta{background:var(--accent-soft);border-color:transparent;grid-template-rows:1fr}
.case-cta .body{height:100%;grid-template-rows:auto auto 1fr auto}
.case-cta h3{font-size:1.25rem}
.case .thumb{height:150px;background:var(--surface-2);position:relative;overflow:hidden}
.case .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
a.case:hover .thumb img{transform:scale(1.04)}
@media (prefers-reduced-motion:reduce){.case .thumb img{transition:none}}
.case .thumb canvas{width:100%;height:100%;display:block}
.case .body{padding:18px 18px 20px;display:grid;gap:10px;align-content:start}
.case .meta{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.case .client{font-family:"IBM Plex Mono",monospace;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.pill{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.pill.live{color:var(--teal);border-color:var(--teal);background:color-mix(in srgb,var(--teal) 10%,transparent)}
.pill.prog{color:#B45309;border-color:var(--warm);background:var(--ochre-soft)}
.case p{color:var(--muted);font-size:.93rem}

/* how we work */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.steps{grid-template-columns:1fr}}
.step{display:grid;gap:10px;padding-top:16px;border-top:3px solid var(--accent);position:relative}
.step::before{counter-increment:step;content:"Step " counter(step);font-family:"IBM Plex Mono",monospace;font-size:.75rem;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
.step p{color:var(--muted);font-size:.97rem}

/* about */
.about{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(28px,5vw,72px);align-items:start}
@media (max-width:820px){.about-grid{grid-template-columns:1fr}}
.about-grid p{color:var(--muted);font-size:1.05rem;max-width:36em}
.about-grid .copy{display:grid;gap:16px}
.about-side{display:grid;gap:18px}
.about-photo{width:100%;height:auto;aspect-ratio:900/640;object-fit:cover;border-radius:10px;border:1px solid var(--line);max-width:100%}
.facts{display:grid;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.fact{display:grid;grid-template-columns:1fr auto;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);font-size:.95rem}
.fact:last-child{border-bottom:0}
.fact span:first-child{color:var(--muted)}
.fact span:last-child{font-weight:600;text-align:right}

/* cta */
.cta{background:linear-gradient(120deg,#1E7BE8 0%,var(--ink-2) 45%,var(--ink) 100%);color:var(--on-ink)}
.cta .eyebrow{color:var(--warm)}
.cta .wrap{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
@media (max-width:760px){.cta .eyebrow{color:var(--warm)}
.cta .wrap{grid-template-columns:1fr}}
.cta p{color:var(--on-ink-muted);font-size:1.1rem;max-width:36em;margin-top:12px}
.cta .btns{display:flex;gap:12px;flex-wrap:wrap}

footer{padding-block:28px;font-size:.9rem;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none}
@media (prefers-reduced-motion:reduce){.btn{transition:none}}