:root{
  --ink:#0B1220;
  --slate:#475569;
  --border:#E2E8F0;
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --accent:#14B8A6;
  --accent-dark:#0F766E;
  --warning:#F59E0B;

  --radius:14px;
  --radius-lg:18px;
  --shadow:0 1px 2px rgba(15,23,42,0.06),0 10px 30px rgba(15,23,42,0.08);
  --container:1240px;

  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:96px;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;}

a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px;}
a:hover{color:var(--accent);}

h1,h2,h3{font-family:"IBM Plex Sans",Inter,system-ui,sans-serif;line-height:1.15;margin:0 0 var(--space-2);} 
h1{font-size:clamp(30px,3.4vw,44px);letter-spacing:-0.02em;}
h2{font-size:clamp(22px,2.2vw,30px);letter-spacing:-0.01em;}
h3{font-size:18px;letter-spacing:-0.005em;}

p{margin:0 0 var(--space-2);color:var(--slate);} 

.container{max-width:var(--container);margin:0 auto;padding:0 var(--space-2);} 

.skip-link{
  position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{
  left:var(--space-2);top:var(--space-2);width:auto;height:auto;
  background:var(--surface);padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  box-shadow:var(--shadow);
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,252,0.9);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:14px 0;}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);}
.brand:hover{color:var(--ink);} 
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),rgba(20,184,166,0.2));
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:9px;border:1px solid rgba(11,18,32,0.25);
}
.brand-text{display:flex;flex-direction:column;gap:1px;}
.brand-name{font-weight:700;font-size:14px;letter-spacing:0.01em;}
.brand-tagline{font-size:12px;color:var(--slate);}

/* Give the nav more room on medium screens (avoid wrapping / cramped header). */
@media (max-width: 1120px){
  .brand-tagline{display:none;}
  .site-nav a{padding:8px 9px;font-size:12.5px;}
  .nav-cta{gap:8px;}
  .nav-cta .btn{padding:9px 12px;font-size:12.5px;}
}

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:var(--surface);
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
}

.site-nav{display:flex;align-items:center;gap:var(--space-2);min-width:0;} 

/*
  Navigation links: keep labels on ONE line.
  If the menu is too long on medium screens, allow horizontal scrolling
  instead of awkward line breaks.
*/
.nav-links{position:relative;flex:1 1 auto;min-width:0;}
.nav-links ul{
  display:flex;align-items:center;gap:12px;
  flex-wrap:nowrap;
  list-style:none;margin:0;padding:0 18px 0 0;
  overflow-x:auto;overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none; /* Firefox */
}
.nav-links ul::-webkit-scrollbar{display:none;}
/* subtle fade so it's obvious the row can scroll */
.nav-links::after{
  content:"";
  position:absolute;top:0;right:0;bottom:0;
  width:22px;
  background:linear-gradient(to right, rgba(248,250,252,0), rgba(248,250,252,1));
  pointer-events:none;
}
.site-nav a{
  text-decoration:none;
  color:var(--slate);
  font-weight:600;
  font-size:13px;
  padding:9px 10px;
  border-radius:12px;
  white-space:nowrap;
}
.site-nav a:hover{background:rgba(20,184,166,0.08);color:var(--ink);} 
.site-nav a.is-active{background:rgba(20,184,166,0.14);color:var(--ink);} 

.nav-cta{display:flex;gap:10px;align-items:center;margin-left:6px;flex:0 0 auto;} 

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  text-decoration:none;
  font-weight:700;
  font-size:13px;
  border:1px solid transparent;
  transition:transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
  box-shadow:0 1px 1px rgba(15,23,42,0.06);
}
.btn:hover{background:var(--accent-dark);transform:translateY(-1px);} 
.btn:active{transform:translateY(0);} 
.btn-outline{background:transparent;color:var(--accent-dark);border-color:rgba(20,184,166,0.35);} 
.btn-outline:hover{background:rgba(20,184,166,0.10);color:var(--ink);}
.btn-tertiary{
  background:transparent;
  border-color:transparent;
  box-shadow:none;
  color:var(--accent-dark);
  padding:0;
  border-radius:0;
  text-decoration:none;
  font-weight:700;
}
.btn-tertiary:hover{transform:none;background:transparent;color:var(--accent);} 
.btn-icon{transition:transform 140ms ease;}
.btn:hover .btn-icon{transform:translateX(2px);} 

/* Main */
.site-main{padding-bottom:var(--space-7);} 

/* Hero */
.hero{
  position:relative;
  padding:var(--space-6) 0 var(--space-5);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:-20% -10% auto -10%;
  height:420px;
  background:
    radial-gradient(circle at 20% 20%, rgba(20,184,166,0.18), transparent 55%),
    radial-gradient(circle at 70% 30%, rgba(15,118,110,0.16), transparent 52%),
    radial-gradient(circle at 40% 70%, rgba(11,18,32,0.10), transparent 55%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(226,232,240,0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(226,232,240,0.6) 1px, transparent 1px);
  background-size:48px 48px;
  opacity:0.35;
  mask-image:radial-gradient(circle at 30% 20%, #000 0%, rgba(0,0,0,0) 60%);
  pointer-events:none;
}

.hero-inner{position:relative;display:grid;grid-template-columns:1.35fr 0.65fr;gap:var(--space-4);align-items:start;}

.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:12px;color:var(--ink);
  background:rgba(255,255,255,0.75);
  border:1px solid var(--border);
  padding:8px 12px;
  border-radius:999px;
  width:fit-content;
}
.kicker-dot{width:8px;height:8px;border-radius:999px;background:var(--accent);} 

.hero h1{margin-top:var(--space-2);margin-bottom:var(--space-2);color:var(--ink);} 
.hero p.lead{font-size:18px;color:var(--slate);max-width:65ch;margin-bottom:var(--space-3);} 

.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:var(--space-3) 0 var(--space-2);} 
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--space-2);color:var(--slate);font-weight:600;font-size:13px;} 
.hero-meta span{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;background:rgba(255,255,255,0.65);border:1px solid var(--border);border-radius:999px;} 

/* Sticky box */
.sticky-box{
  position:sticky;top:92px;
  background:rgba(255,255,255,0.88);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:0 1px 1px rgba(15,23,42,0.05);
  padding:var(--space-3);
}
.sticky-title{font-weight:800;letter-spacing:-0.01em;margin-bottom:10px;}
.sticky-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;} 
.sticky-item{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--slate);} 
.sticky-item strong{color:var(--ink);} 
.sticky-actions{display:grid;gap:10px;margin-top:var(--space-2);} 

/* Sections */
.section{padding:var(--space-5) 0;}
.section + .section{padding-top:0;}

.section-title{margin-bottom:var(--space-3);}
.section-title p{max-width:75ch;}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-2);} 
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:var(--space-2);
  box-shadow:0 1px 0 rgba(15,23,42,0.03);
  text-decoration:none;
  color:inherit;
}
.card-link{transition:transform 120ms ease, box-shadow 120ms ease,border-color 120ms ease;}
.card-link:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(20,184,166,0.35);} 

.card-kicker{font-weight:700;font-size:12px;color:var(--slate);margin-bottom:8px;} 
.card-value{font-weight:900;color:var(--ink);font-size:16px;letter-spacing:-0.01em;margin-bottom:6px;} 
.card-hint{font-size:12px;color:var(--slate);} 

/* Timeline */
.timeline{margin:0;padding:0;list-style:none;display:grid;gap:14px;}
.timeline-item{display:grid;grid-template-columns:16px 1fr;gap:14px;align-items:start;} 
.timeline-dot{
  width:14px;height:14px;border-radius:999px;
  border:2px solid rgba(20,184,166,0.35);
  background:var(--surface);
  margin-top:4px;
}
.timeline-content{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px 14px;
}
.timeline-date{font-weight:800;color:var(--ink);font-size:13px;margin-bottom:4px;} 
.timeline-label{font-weight:800;color:var(--ink);margin-bottom:4px;} 
.timeline-meta{color:var(--slate);font-size:13px;} 
.timeline-item.is-done .timeline-dot{background:rgba(20,184,166,0.18);border-color:rgba(20,184,166,0.5);} 
.timeline-item.is-highlight .timeline-dot{background:var(--accent);border-color:var(--accent);} 
.timeline-item.is-highlight .timeline-content{border-color:rgba(20,184,166,0.55);box-shadow:0 1px 0 rgba(20,184,166,0.15),0 12px 30px rgba(20,184,166,0.10);} 

/* Clusters (topics) */
.clusters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-2);} 
.cluster{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:var(--space-2);
}
.cluster h3{margin:0 0 12px;color:var(--ink);} 
.tag-list{display:flex;flex-wrap:wrap;gap:10px;} 
.tag{
  font-size:12px;
  font-weight:700;
  color:var(--accent-dark);
  background:rgba(20,184,166,0.10);
  border:1px solid rgba(20,184,166,0.25);
  padding:7px 10px;
  border-radius:999px;
}

/* Steps */
.steps{margin:0;padding:0;list-style:none;display:grid;gap:14px;}
.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;} 
.step-num{
  width:42px;height:42px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(20,184,166,0.12);
  border:1px solid rgba(20,184,166,0.25);
  font-weight:900;color:var(--ink);
}
.step-title{font-weight:900;color:var(--ink);margin-bottom:6px;} 
.step-desc{color:var(--slate);}
.step-link{margin-top:8px;}

/* Callout */
.callout{
  border:1px solid rgba(20,184,166,0.30);
  background:rgba(20,184,166,0.08);
  border-radius:var(--radius);
  padding:var(--space-2);
}
.callout-warning{
  border-color:rgba(245,158,11,0.35);
  background:rgba(245,158,11,0.10);
}
.callout-title{font-weight:900;color:var(--ink);margin-bottom:6px;} 
.callout-text{color:var(--slate);} 

/* FAQ */
.faq{display:grid;gap:10px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:10px 12px;
}
.faq-item summary{cursor:pointer;font-weight:900;color:var(--ink);list-style:none;} 
.faq-item summary::-webkit-details-marker{display:none;} 
.faq-body{padding:10px 2px 2px;color:var(--slate);} 

/* Layout helpers */
.grid-two{display:grid;grid-template-columns:1.25fr 0.75fr;gap:var(--space-4);align-items:start;}
.muted{color:var(--slate);} 
.small{font-size:12px;} 

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  padding:var(--space-5) 0;
  background:#fff;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:var(--space-4);} 
.footer-title{font-weight:900;margin-bottom:10px;color:var(--ink);} 
.footer-text{color:var(--slate);} 
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px;} 
.footer-links a{text-decoration:none;color:var(--accent-dark);font-weight:700;} 
.footer-links a:hover{color:var(--accent);} 

/* Responsive */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr;}
  .sticky-box{position:relative;top:auto;}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .clusters{grid-template-columns:1fr;}
  .grid-two{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}

@media (max-width: 860px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .site-nav{display:none;position:absolute;left:0;right:0;top:64px;background:rgba(248,250,252,0.96);border-bottom:1px solid var(--border);padding:var(--space-2);backdrop-filter:saturate(180%) blur(14px);}
  .site-nav.is-open{display:block;}
  .nav-links::after{display:none;}
  .nav-links ul{flex-direction:column;align-items:flex-start;overflow:visible;}
  .nav-cta{margin:12px 0 0;}
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto !important;transition:none !important;}
}