/* ==========================================================================
   lnc.css — shared design system for learn.leadnurtureclose.com
   Public, evergreen sales explainers. One page per line item a proposal links to.

   Brand tokens are the ratified ones (identity/brand-kit.md):
     League Spartan (headlines) / Kollektif (body)
     LNC Blue #13B0ED · LNC Gold #FDA628 · Charcoal #2C333D · Midnight #0A0726
   Theme-aware by standing rule: full light palette on :root, dark redefined
   under prefers-color-scheme AND [data-theme], never alpha-only tints.
   ========================================================================== */

/* ---------------------------------------------------------------- fonts -- */
@font-face{
  font-family:"Kollektif";
  src:url("/assets/fonts/Kollektif.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Kollektif";
  src:url("/assets/fonts/Kollektif-Bold.woff2") format("woff2");
  font-weight:700;font-style:normal;font-display:swap;
}

/* --------------------------------------------------------------- tokens -- */
:root{
  /* brand constants, identical in both themes */
  --blue:#13B0ED;
  --gold:#FDA628;
  --midnight:#0A0726;
  --charcoal:#2C333D;

  /* light palette */
  --bg:#ffffff;
  --bg-alt:#f5f8fb;
  --bg-sunk:#eef3f8;
  --panel:#ffffff;
  --ink:#2C333D;
  --ink-soft:#55606e;
  --ink-faint:#7a838f;
  --line:#e3e9f0;
  --line-strong:#cfd8e3;
  --link:#0A6C99;          /* AA-safe blue for text links on white */
  --accent-tint:#e9f6fd;
  --gold-tint:#fff6e8;
  --hero-bg:#0A0726;
  --hero-ink:#ffffff;
  --hero-ink-soft:#b9c2d4;
  --shadow:0 1px 2px rgba(10,7,38,.05), 0 12px 34px -18px rgba(10,7,38,.22);
  --shadow-lift:0 2px 4px rgba(10,7,38,.06), 0 26px 60px -28px rgba(10,7,38,.34);

  --display:"League Spartan","Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Kollektif","Open Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --maxw:1120px;
  --readw:70ch;
  --r:16px;
  --r-sm:10px;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0A0726;
    --bg-alt:#120e33;
    --bg-sunk:#181341;
    --panel:#151038;
    --ink:#eef1f8;
    --ink-soft:#b3bbd0;
    --ink-faint:#8d96b0;
    --line:#2a2456;
    --line-strong:#3b3475;
    --link:#5cc8f5;
    --accent-tint:#122b45;
    --gold-tint:#33270f;
    --hero-bg:#050318;
    --hero-ink:#ffffff;
    --hero-ink-soft:#b9c2d4;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 12px 34px -18px rgba(0,0,0,.6);
    --shadow-lift:0 2px 4px rgba(0,0,0,.45), 0 26px 60px -28px rgba(0,0,0,.7);
  }
}

:root[data-theme="dark"]{
  --bg:#0A0726;
  --bg-alt:#120e33;
  --bg-sunk:#181341;
  --panel:#151038;
  --ink:#eef1f8;
  --ink-soft:#b3bbd0;
  --ink-faint:#8d96b0;
  --line:#2a2456;
  --line-strong:#3b3475;
  --link:#5cc8f5;
  --accent-tint:#122b45;
  --gold-tint:#33270f;
  --hero-bg:#050318;
  --hero-ink:#ffffff;
  --hero-ink-soft:#b9c2d4;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 12px 34px -18px rgba(0,0,0,.6);
  --shadow-lift:0 2px 4px rgba(0,0,0,.45), 0 26px 60px -28px rgba(0,0,0,.7);
}

/* ----------------------------------------------------------------- base -- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.01em;
  color:var(--ink);
  margin:0 0 .5em;
  text-wrap:balance;
}
h1{font-size:clamp(2.15rem,4.6vw,3.5rem)}
h2{font-size:clamp(1.6rem,3vw,2.35rem);margin-top:0}
h3{font-size:clamp(1.15rem,1.8vw,1.42rem);font-weight:700}
h4{font-size:1.03rem;font-weight:700;letter-spacing:0}
p{margin:0 0 1.05rem}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
strong{font-weight:700;color:var(--ink)}
ul,ol{margin:0 0 1.05rem;padding-left:1.25rem}
li{margin:0 0 .5rem}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.read{max-width:var(--readw)}
.center{text-align:center}
.muted{color:var(--ink-soft)}
.small{font-size:.92rem}

/* --------------------------------------------------------------- header -- */
.top{
  position:sticky;top:0;z-index:50;
  background:var(--hero-bg);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:62px}
.top a{color:#fff}
/* Icon mark + typeset wordmark. The full stacked lockup (1500x700) is illegible
   below ~120px wide, so the header sets the name in League Spartan instead. */
.brandmark{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brandmark img{height:30px;width:auto}
.brandmark .wordmark{
  font-family:var(--display);font-weight:800;
  font-size:.98rem;letter-spacing:.01em;line-height:1;
  color:#fff;white-space:nowrap;
}
.top nav{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
.top nav a{
  font-family:var(--display);font-weight:700;font-size:.83rem;
  letter-spacing:.06em;text-transform:uppercase;color:#c8d0e2;
}
.top nav a:hover,.top nav a[aria-current="page"]{color:#fff;text-decoration:none}
.top nav a[aria-current="page"]{color:var(--gold)}

/* ----------------------------------------------------------------- hero -- */
.hero{
  background:
    radial-gradient(900px 420px at 82% -12%, rgba(19,176,237,.30), transparent 62%),
    radial-gradient(680px 340px at 6% 108%, rgba(253,166,40,.18), transparent 62%),
    var(--hero-bg);
  color:var(--hero-ink);
  padding:clamp(56px,8vw,104px) 0 clamp(48px,7vw,88px);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.hero h1{color:#fff;max-width:22ch}
.hero .lead{
  color:var(--hero-ink-soft);
  font-size:clamp(1.06rem,1.7vw,1.3rem);
  max-width:62ch;margin-bottom:0;
}
.eyebrow{
  font-family:var(--display);font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;
  font-size:.78rem;color:var(--blue);
  margin:0 0 .9rem;
}
.hero .eyebrow{color:var(--gold)}
.tierline{
  display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;
  margin-top:26px;padding:9px 16px;
  border:1px solid rgba(255,255,255,.24);border-radius:999px;
  font-size:.9rem;color:#dfe5f2;background:rgba(255,255,255,.06);
}
.tierline b{color:#fff;font-weight:700}

/* -------------------------------------------------------------- section -- */
section{padding:clamp(48px,6.5vw,86px) 0}
section.tint{background:var(--bg-alt);border-block:1px solid var(--line)}
section.sunk{background:var(--bg-sunk);border-block:1px solid var(--line)}
.sec-head{max-width:64ch;margin-bottom:2.2rem}
.sec-head p{color:var(--ink-soft);font-size:1.06rem;margin-bottom:0}

/* ---------------------------------------------------------------- cards -- */
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid.three{grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}
.grid.four{grid-template-columns:repeat(auto-fit,minmax(212px,1fr))}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.card h3,.card h4{margin-bottom:.45em}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card .ico{
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;margin-bottom:14px;
  background:var(--accent-tint);color:var(--blue);
  font-family:var(--display);font-weight:800;font-size:.95rem;
}
.card.gold .ico{background:var(--gold-tint);color:#b3700d}
a.card{display:block;color:inherit}
a.card:hover{text-decoration:none;box-shadow:var(--shadow-lift);border-color:var(--line-strong);transform:translateY(-2px)}
a.card{transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease}
a.card .go{
  font-family:var(--display);font-weight:700;font-size:.85rem;
  letter-spacing:.06em;text-transform:uppercase;color:var(--link);
  margin-top:14px;display:block;
}

/* --------------------------------------------------------------- steps  -- */
.steps{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;gap:18px}
.steps > li{
  counter-increment:step;
  position:relative;
  padding:24px 24px 24px 74px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  margin:0;
}
.steps > li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:24px;top:24px;
  font-family:var(--display);font-weight:800;font-size:1.15rem;
  color:var(--blue);
  width:34px;height:34px;border-radius:9px;
  background:var(--accent-tint);
  display:grid;place-items:center;
}
.steps h3{margin-bottom:.35em;font-size:1.1rem}
.steps p:last-child{margin-bottom:0}
.steps .who{
  display:inline-block;margin-top:10px;
  font-size:.83rem;font-weight:700;font-family:var(--display);
  letter-spacing:.05em;text-transform:uppercase;
  color:var(--ink-faint);
}

/* -------------------------------------------------------------- callout -- */
.callout{
  border:1px solid var(--line);
  border-left:4px solid var(--gold);
  background:var(--gold-tint);
  border-radius:var(--r-sm);
  padding:22px 24px;
  margin:2rem 0;
}
.callout.blue{border-left-color:var(--blue);background:var(--accent-tint)}
.callout h3{margin-bottom:.4em;font-size:1.08rem}
.callout p:last-child{margin-bottom:0}

/* ---------------------------------------------------------------- stats -- */
.stats{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.stat{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);padding:22px 20px;
}
.stat b{
  display:block;font-family:var(--display);font-weight:800;
  font-size:clamp(1.9rem,3.4vw,2.5rem);line-height:1;
  color:var(--blue);margin-bottom:.35rem;
}
.stat span{color:var(--ink-soft);font-size:.95rem;display:block}

/* ---------------------------------------------------------- compare list -- */
.compare{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.compare .col{
  border:1px solid var(--line);border-radius:var(--r);
  padding:24px;background:var(--panel);
}
.compare .col h3{font-size:1.05rem}
.compare ul{list-style:none;padding:0;margin:0}
.compare li{padding-left:28px;position:relative}
.compare .yes li::before{content:"";position:absolute;left:0;top:.52em;width:15px;height:8px;border-left:2.5px solid var(--blue);border-bottom:2.5px solid var(--blue);transform:rotate(-45deg)}
.compare .no li::before{content:"";position:absolute;left:2px;top:.62em;width:13px;height:2.5px;background:var(--ink-faint)}

/* ---------------------------------------------------------------- table -- */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.97rem}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
th{font-family:var(--display);font-weight:700;font-size:.82rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);background:var(--bg-alt)}
tr:last-child td{border-bottom:0}
td b{color:var(--ink)}

/* ------------------------------------------------------------------ cta -- */
.cta{
  background:
    radial-gradient(760px 340px at 80% -20%, rgba(19,176,237,.28), transparent 60%),
    var(--hero-bg);
  color:#fff;text-align:center;
  padding:clamp(52px,7vw,92px) 0;
}
.cta h2{color:#fff}
.cta p{color:var(--hero-ink-soft);max-width:56ch;margin-inline:auto}
.btn{
  display:inline-block;margin-top:22px;
  background:var(--blue);color:#04121a;
  font-family:var(--display);font-weight:800;
  letter-spacing:.03em;font-size:1.02rem;
  padding:15px 34px;border-radius:999px;
  border:1px solid transparent;
}
.btn:hover{background:#3cc3f6;text-decoration:none}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);margin-left:10px}
.btn.ghost:hover{background:rgba(255,255,255,.1)}

/* --------------------------------------------------------------- footer -- */
footer{
  background:var(--hero-bg);color:var(--hero-ink-soft);
  padding:44px 0;font-size:.92rem;
  border-top:1px solid rgba(255,255,255,.09);
}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
footer a{color:#dfe5f2}
footer .sep{margin-left:auto}
footer img{height:30px;width:auto;opacity:.95}
footer b{color:#fff;font-family:var(--display);font-weight:800}

/* ------------------------------------------------------------ utilities -- */
.backlink{
  display:inline-block;margin-bottom:1.3rem;
  font-family:var(--display);font-weight:700;font-size:.84rem;
  letter-spacing:.06em;text-transform:uppercase;color:#b9c2d4;
}
.backlink:hover{color:#fff;text-decoration:none}

/* Below ~760px the three nav labels wrap onto separate lines and the sticky header
   grows to ~118px, eating a third of a phone screen. Drop the nav to its own row and
   let it scroll sideways instead of wrapping. */
@media (max-width:760px){
  .top .wrap{flex-wrap:wrap;gap:8px;padding-block:9px;min-height:0}
  .top nav{
    margin-left:0;width:100%;
    flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;
    gap:18px;padding-bottom:2px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .top nav::-webkit-scrollbar{display:none}
  .top nav a{white-space:nowrap;font-size:.76rem}
  .brandmark img{height:26px}
  .brandmark .wordmark{font-size:.9rem}
}

@media (max-width:640px){
  body{font-size:16.5px}
  .steps > li{padding:22px 20px 22px 20px}
  .steps > li::before{position:static;margin-bottom:12px}
  .wrap{padding:0 18px}
  footer .wrap{align-items:flex-start}
  footer .sep{margin-left:0;width:100%}
}

@media print{
  .top,.cta,footer{display:none}
  body{font-size:11.5pt}
  .hero{background:#fff;color:#000;padding:0 0 18pt}
  .hero h1,.hero .lead{color:#000}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  a.card{transition:none}
  a.card:hover{transform:none}
}