/* Korvena design system — see brand/korvena-brand-guidelines.html */
:root{
  --ink:#061627; --navy:#0A2540; --navy-500:#123C63;
  --emerald:#0EA173; --emerald-600:#0B8560; --emerald-400:#16BC8C; --emerald-tint:#E3F4ED; --emerald-700:#086A4D;
  --porcelain:#F7F9FA; --slate:#4E6172; --slate-400:#8296A6; --border:#DFE7EC;
  --font-body:"Inter","Avenir Next","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-display:"Avenir Next","Inter","Segoe UI",system-ui,sans-serif;
  --maxw:1120px; --radius:12px;
  --shadow:0 1px 2px rgba(6,22,39,.05),0 8px 24px -12px rgba(6,22,39,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--slate);background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy);line-height:1.2;font-weight:600;letter-spacing:-.01em}
a{color:var(--emerald-700);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.overline{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--emerald-700);margin-bottom:12px}
.dark .overline{color:var(--emerald-400)}

/* Buttons */
.btn{display:inline-block;font-weight:600;font-size:15px;border-radius:8px;padding:12px 22px;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--emerald-600);color:#fff}
.btn-primary:hover{background:var(--emerald-700)}
.btn-secondary{background:transparent;color:var(--navy);border-color:var(--border)}
.btn-secondary:hover{border-color:var(--slate-400)}
.dark .btn-secondary{color:var(--porcelain);border-color:rgba(247,249,250,.28)}
.dark .btn-secondary:hover{border-color:rgba(247,249,250,.6)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;align-items:center;gap:32px;height:68px}
.site-header .logo img{height:30px}
.site-nav{display:flex;gap:24px;margin-left:auto;align-items:center;flex-wrap:nowrap}
.site-nav a{font-size:14.5px;font-weight:500;color:var(--navy);white-space:nowrap}
.site-nav a:hover{color:var(--emerald-600);text-decoration:none}
.site-nav a.active{color:var(--emerald-600)}
.site-nav .btn{padding:9px 18px;font-size:14px}
.site-nav a.btn-primary{color:#fff}
.site-nav a.btn-primary:hover{color:#fff}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px}

/* Hero */
.hero{background:var(--navy);color:var(--porcelain);position:relative;overflow:hidden}
.hero .wrap{position:relative;padding-top:96px;padding-bottom:104px;max-width:820px;text-align:center}
.hero h1{color:#fff;font-size:clamp(32px,5vw,52px);margin-bottom:20px}
.hero p.sub{font-size:clamp(16px,2vw,19px);color:#B9C6D2;max-width:640px;margin:0 auto 36px}
.hero .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-motif{position:absolute;inset:0;pointer-events:none;opacity:.5}
.page-hero{background:var(--navy);color:var(--porcelain)}
.page-hero .wrap{padding-top:72px;padding-bottom:72px;max-width:820px}
.page-hero h1{color:#fff;font-size:clamp(30px,4vw,42px);margin-bottom:14px}
.page-hero p{font-size:17px;color:#B9C6D2;max-width:640px}

/* Sections */
section.block{padding:88px 0}
section.block.tint{background:var(--porcelain)}
section.block.dark{background:var(--ink);color:#B9C6D2}
section.block.dark h2,section.block.dark h3{color:#fff}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-size:clamp(26px,3.4vw,34px);margin-bottom:12px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* Cards */
.grid{display:grid;gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.tint .card{box-shadow:none}
.card h3{font-size:18px;margin:14px 0 8px}
.card p{font-size:14.5px}
.card .icon{width:44px;height:44px;border-radius:10px;background:var(--emerald-tint);display:flex;align-items:center;justify-content:center}
.card .icon svg{width:22px;height:22px;stroke:var(--emerald-600);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.badge{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;border-radius:99px;padding:3px 10px;margin-top:14px}
.badge.available{background:var(--emerald-tint);color:var(--emerald-700)}
.badge.dev{background:#EEF2F5;color:var(--slate)}
.card a.cardlink{font-weight:600;font-size:14px;display:inline-block;margin-top:10px}

/* Split rows */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:36px 0}
.split h3{font-size:22px;margin-bottom:10px}
.split p{margin-bottom:12px}
.split ul{list-style:none;margin-top:8px}
.split ul li{padding-left:28px;position:relative;margin:9px 0;font-size:15px}
.split ul li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:9px;border-left:2.5px solid var(--emerald);border-bottom:2.5px solid var(--emerald);transform:rotate(-45deg)}
.panel{background:var(--porcelain);border:1px solid var(--border);border-radius:var(--radius);padding:8px}
.tint .panel{background:#fff}

/* Steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{counter-increment:step;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.step::before{content:counter(step,decimal-leading-zero);font-family:var(--font-display);font-weight:600;font-size:13px;color:var(--emerald-600);letter-spacing:.06em}
.step h3{font-size:16px;margin:10px 0 6px}
.step p{font-size:14px}

/* Feature list (checks) */
.checklist{list-style:none;columns:2;gap:48px}
.checklist li{padding-left:30px;position:relative;margin:0 0 14px;break-inside:avoid;font-size:15px}
.checklist li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:9px;border-left:2.5px solid var(--emerald);border-bottom:2.5px solid var(--emerald);transform:rotate(-45deg)}
.checklist li strong{color:var(--navy)}
.dark .checklist li strong{color:#fff}

/* CTA band */
.cta-band{background:var(--navy);border-radius:16px;padding:56px;text-align:center;color:var(--porcelain)}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.cta-band p{color:#B9C6D2;max-width:560px;margin:0 auto 28px}

/* Tables */
table.spec{width:100%;border-collapse:collapse;font-size:14.5px}
table.spec th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--slate);padding:10px 14px;border-bottom:1px solid var(--border)}
table.spec td{padding:12px 14px;border-bottom:1px solid var(--border)}
table.spec td:first-child{color:var(--navy);font-weight:600}

/* Forms */
form.contact{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:760px}
form.contact .full{grid-column:1/-1}
label{font-size:13.5px;font-weight:600;color:var(--navy);display:block;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;font-size:15px;color:var(--navy);background:#fff;border:1px solid var(--border);border-radius:8px;padding:11px 14px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--emerald);outline-offset:-1px;border-color:var(--emerald)}
textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-note{font-size:13px;color:var(--slate);grid-column:1/-1}
.form-status{grid-column:1/-1;font-size:14.5px;font-weight:600;display:none}
.form-status.ok{display:block;color:var(--emerald-600)}
.form-status.err{display:block;color:#B4232A}

/* Footer */
.site-footer{background:var(--ink);color:#8FA1B0;font-size:14px}
.site-footer .top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}
.site-footer img{height:30px;margin-bottom:16px}
.site-footer h2{font-family:var(--font-body);font-weight:600;color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.07em;margin-bottom:14px}
.site-footer ul{list-style:none}
.site-footer li{margin:8px 0}
.site-footer a{color:#8FA1B0}
.site-footer a:hover{color:#fff;text-decoration:none}
.site-footer .legal{border-top:1px solid rgba(247,249,250,.12);padding:22px 0;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-footer .tagline{color:#B9C6D2;max-width:280px}

/* Cookie bar */
.cookie-bar{position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--ink);color:#B9C6D2;padding:16px 24px;display:none}
.cookie-bar.show{display:block}
.cookie-bar .inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cookie-bar p{font-size:13.5px;flex:1;min-width:260px}
.cookie-bar a{color:var(--emerald-400)}
.cookie-bar button{font:inherit;font-size:13.5px;font-weight:600;border-radius:7px;padding:9px 16px;cursor:pointer;border:1px solid rgba(247,249,250,.3);background:transparent;color:var(--porcelain)}
.cookie-bar button.accept{background:var(--emerald-600);border-color:var(--emerald);color:#fff}

/* Prose (privacy/terms/resources) */
.prose{max-width:760px}
.prose h2{font-size:22px;margin:40px 0 10px}
.prose h3{font-size:17px;margin:28px 0 8px}
.prose p,.prose li{font-size:15px;margin-bottom:12px}
.prose ul{padding-left:22px}
.notice{background:var(--emerald-tint);border-radius:10px;padding:16px 20px;font-size:14px;color:var(--navy);margin:24px 0}

/* Responsive */
@media(max-width:960px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .site-footer .top{grid-template-columns:1fr 1fr}
}
@media(max-width:1080px){
  .site-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:16px}
  .site-nav.open{display:flex}
  .nav-toggle{display:block}
}
@media(max-width:720px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .checklist{columns:1}
  form.contact{grid-template-columns:1fr}
  section.block{padding:64px 0}
  .cta-band{padding:40px 24px}
  .site-footer .top{grid-template-columns:1fr;gap:28px}
}

/* links inside running text must not rely on colour alone (WCAG 1.4.1) */
p a:not(.btn),.cookie-bar a,.legal li a,.form-note a{text-decoration:underline;text-underline-offset:2px}

/* first-level section cards were promoted from h3 to h2 for heading order; keep their sizing */
.card h2{font-size:18px;margin:14px 0 8px}
.split h2{font-size:22px;margin-bottom:10px}
.step h2{font-size:16px;margin:10px 0 6px}