:root{
  --ink:#111827;
  --ink-soft:#4b5563;
  --paper:#ffffff;
  --paper-dim:#f6f7f8;
  --line:#e5e7eb;
  --teal:#0f766e;
  --teal-dark:#0b5a54;
  --teal-tint:#ecfdf9;
  --amber:#f59e0b;
  --amber-dark:#d97706;
  --radius:14px;
  --shadow:0 8px 30px rgba(17,24,39,.06);
  --font-head:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --font-body:'Inter',ui-sans-serif,system-ui,sans-serif;
}

*{box-sizing:border-box;}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:var(--font-head);color:var(--ink);line-height:1.15;margin:0 0 .5em;font-weight:600;}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:var(--teal);}
a:hover{color:var(--teal-dark);}
img{max-width:100%;display:block;}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;}

/* Buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:8px;text-decoration:none;font-weight:600;font-family:var(--font-body);font-size:1rem;text-align:center;border:2px solid transparent;transition:transform .15s ease;}
.btn:hover{transform:translateY(-1px);}
.btn-teal{background:var(--teal);color:#fff;}
.btn-teal:hover{background:var(--teal-dark);color:#fff;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost-light:hover{border-color:#fff;}

/* Header */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);padding:16px 0;position:sticky;top:0;z-index:20;}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;}
.brand-mark{width:14px;height:14px;background:var(--teal);border-radius:4px;flex:none;}
.brand-text{font-family:var(--font-head);font-weight:700;font-size:1.2rem;}
.brand-text .accent{color:var(--teal);}
.mainnav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;flex-wrap:wrap;}
.mainnav a{color:var(--ink-soft);text-decoration:none;font-size:.96rem;font-weight:600;padding:6px 2px;border-bottom:2px solid transparent;}
.mainnav a:hover,.mainnav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--teal);}
.header-cta{background:var(--ink);color:#fff;padding:9px 18px;border-radius:8px;text-decoration:none;font-weight:600;font-size:.92rem;white-space:nowrap;}
.header-cta:hover{background:var(--teal-dark);color:#fff;}

/* Hero */
.hero{background:var(--ink);color:#fff;padding:76px 0;}
.hero .eyebrow{display:inline-block;color:var(--teal);background:rgba(15,118,110,.18);border:1px solid rgba(15,118,110,.4);padding:5px 12px;border-radius:999px;font-size:.8rem;font-weight:600;letter-spacing:.03em;margin-bottom:18px;}
.hero h1{color:#fff;font-size:2.6rem;max-width:18ch;margin-bottom:.4em;}
.hero .lead{color:#cbd5e1;font-size:1.15rem;max-width:52ch;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* Section */
.section{padding:64px 0;}
.section-alt{background:var(--paper-dim);}
.section-head{margin-bottom:32px;}
.section-head .kicker{display:block;color:var(--teal);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;}
.section-head h2{font-size:1.9rem;margin:0;}
.section-head p{max-width:60ch;margin-top:10px;}

/* Cards / grid */
.grid{display:grid;gap:24px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);max-width:700px;}
@media (max-width:820px){.grid-3{grid-template-columns:1fr;}}
@media (max-width:600px){.grid-2{grid-template-columns:1fr;}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.card h3{font-size:1.15rem;margin-bottom:.4em;}
.card .tag{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--teal-dark);background:var(--teal-tint);padding:3px 9px;border-radius:6px;margin-bottom:12px;}

/* Work items */
.work-item{display:grid;grid-template-columns:200px 1fr;gap:28px;padding:32px 0;border-top:1px solid var(--line);align-items:start;}
.work-item:last-child{padding-bottom:0;}
@media (max-width:700px){.work-item{grid-template-columns:1fr;}}
.work-item .tag{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--teal-dark);background:var(--teal-tint);padding:4px 10px;border-radius:6px;}
.work-item h3{font-size:1.4rem;margin:10px 0 8px;}
.work-item .links{margin-top:14px;display:flex;gap:16px;flex-wrap:wrap;}
.work-item .links a{font-weight:600;font-size:.95rem;}

/* Tick list */
ul.tick{list-style:none;margin:0;padding:0;}
ul.tick li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--ink-soft);}
ul.tick li::before{content:"\2713";position:absolute;left:0;top:0;color:var(--teal);font-weight:800;}

/* Closing CTA */
.section-cta{background:var(--ink);color:#fff;padding:64px 0;text-align:center;}
.section-cta h2{color:#fff;}
.section-cta p{color:#cbd5e1;}

/* Footer */
footer{background:var(--paper-dim);border-top:1px solid var(--line);padding:44px 0 0;}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding-bottom:32px;}
@media (max-width:700px){footer .wrap{grid-template-columns:1fr;}}
footer h4{color:var(--ink);font-family:var(--font-head);margin:0 0 10px;font-size:1rem;}
footer ul{list-style:none;margin:0;padding:0;}
footer li{margin-bottom:8px;}
footer a{color:var(--ink-soft);text-decoration:none;}
footer a:hover{color:var(--ink);}
footer .legal{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);padding:16px 24px;font-size:.82rem;color:#9ca3af;}
footer .build-number{opacity:.8;}

/* 404 */
.not-found{padding:100px 0;text-align:center;}
.not-found h1{font-size:2.3rem;}