/* LNC Academy, leadnurturecloseacademy.com
   Design system inherits identity/brand-kit.md.
   Headlines League Spartan, body Open Sans (documented Kollektif fallback),
   technical annotation IBM Plex Mono. */

:root{
  --blue:#13B0ED; --blue-deep:#0A6C99; --blue-lift:#3FC3F5;
  --gold:#FDA628; --gold-deep:#C97D10;
  --charcoal:#2C333D; --midnight:#0A0726;

  --bg:#FFFFFF;
  --surface:#F5F9FC;
  --surface-2:#EDF4F9;
  --ink:#2C333D;
  --ink-soft:#5A6675;
  --ink-faint:#8894A5;
  --line:#E2E9F0;
  --line-firm:#CBD6E2;
  --accent-ink:var(--blue-deep);
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 14px 34px rgba(16,24,40,.07);
  --shadow-lift:0 20px 54px rgba(16,24,40,.14);

  --h:'League Spartan','Montserrat',system-ui,sans-serif;
  --b:'Open Sans',system-ui,-apple-system,sans-serif;
  --m:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1180px;
  --gutter:clamp(20px,4vw,44px);
}

@media (prefers-color-scheme:dark){
  :root{
    --bg:#0A0726;
    --surface:#120E30;
    --surface-2:#171240;
    --ink:#ECF0F7;
    --ink-soft:#A3AEC6;
    --ink-faint:#7A85A0;
    --line:#241E4E;
    --line-firm:#332B66;
    --accent-ink:var(--blue-lift);
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 34px rgba(0,0,0,.34);
    --shadow-lift:0 20px 54px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  --bg:#0A0726; --surface:#120E30; --surface-2:#171240;
  --ink:#ECF0F7; --ink-soft:#A3AEC6; --ink-faint:#7A85A0;
  --line:#241E4E; --line-firm:#332B66; --accent-ink:var(--blue-lift);
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 14px 34px rgba(0,0,0,.34);
  --shadow-lift:0 20px 54px rgba(0,0,0,.5);
}
:root[data-theme="light"]{
  --bg:#FFFFFF; --surface:#F5F9FC; --surface-2:#EDF4F9;
  --ink:#2C333D; --ink-soft:#5A6675; --ink-faint:#8894A5;
  --line:#E2E9F0; --line-firm:#CBD6E2; --accent-ink:var(--blue-deep);
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 14px 34px rgba(16,24,40,.07);
  --shadow-lift:0 20px 54px rgba(16,24,40,.14);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--b); font-size:17px; line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;height:auto}
h1,h2,h3,h4{font-family:var(--h);margin:0;line-height:1.08;letter-spacing:-.015em;font-weight:800}
p{margin:0}
::selection{background:var(--gold);color:var(--midnight)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}

/* ---------- technical annotation label ---------- */
.tag{
  font-family:var(--m); font-size:11.5px; font-weight:500;
  letter-spacing:.2em; text-transform:uppercase; color:var(--gold);
  display:inline-flex; align-items:center; gap:10px;
}
.tag::before{content:"";width:22px;height:1px;background:var(--gold);flex:none}
.tag.no-rule::before{display:none}

/* ---------- masthead ---------- */
.masthead{
  position:sticky; top:0; z-index:40;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:saturate(1.5) blur(12px);
  border-bottom:1px solid var(--line);
}
.masthead .wrap{display:flex;align-items:center;gap:26px;height:72px}
@media (max-width:720px){.masthead .wrap{gap:10px}}
.brand{display:flex;align-items:center;flex:none;margin-right:auto}
.brand img{height:32px;display:block}
footer .brand img{height:38px}
.brand .light-only{display:block}
.brand .dark-only{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .brand .light-only{display:none}
  :root:not([data-theme="light"]) .brand .dark-only{display:block}
}
:root[data-theme="dark"] .brand .light-only{display:none}
:root[data-theme="dark"] .brand .dark-only{display:block}

.nav{display:flex;gap:4px;align-items:center}
.nav a{
  font-family:var(--h); font-weight:600; font-size:15px;
  padding:9px 14px; border-radius:8px; color:var(--ink-soft);
  transition:color .15s, background .15s;
}
.nav a:hover{color:var(--ink);background:var(--surface)}
.nav a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.nav .btn{margin-left:8px}

.themer{
  flex:none; width:38px; height:38px; display:grid; place-items:center;
  border:1px solid var(--line-firm); border-radius:9px; background:transparent;
  color:var(--ink-soft); cursor:pointer; transition:border-color .15s,color .15s;
}
.themer:hover{border-color:var(--blue);color:var(--blue)}
.themer svg{width:17px;height:17px}
.themer .moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .themer .sun{display:none}
  :root:not([data-theme="light"]) .themer .moon{display:block}
}
:root[data-theme="dark"] .themer .sun{display:none}
:root[data-theme="dark"] .themer .moon{display:block}

.menu-btn{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-family:var(--h); font-weight:700; font-size:15.5px; letter-spacing:.005em;
  padding:13px 24px; border-radius:10px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .14s cubic-bezier(.2,.7,.3,1), box-shadow .14s, background .14s, border-color .14s, color .14s;
  white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#04202E;box-shadow:0 8px 20px rgba(19,176,237,.28)}
.btn-primary:hover{background:var(--blue-lift);transform:translateY(-2px);box-shadow:0 14px 30px rgba(19,176,237,.36)}
.btn-gold{background:var(--gold);color:#3A2504;box-shadow:0 8px 20px rgba(253,166,40,.3)}
.btn-gold:hover{background:#FFB84D;transform:translateY(-2px);box-shadow:0 14px 30px rgba(253,166,40,.4)}
.btn-ghost{border-color:var(--line-firm);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--blue);color:var(--accent-ink);transform:translateY(-2px)}
.btn-on-dark{border-color:rgba(255,255,255,.3);color:#fff;background:transparent}
.btn-on-dark:hover{border-color:#fff;background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn-sm{padding:9px 17px;font-size:14.5px;border-radius:8px}

/* ---------- hero ---------- */
.hero{
  position:relative; background:var(--midnight); color:#fff;
  border-bottom:1px solid var(--line);
  padding-block:clamp(50px,7vw,84px) clamp(56px,8vw,92px);
  overflow:hidden;
}
.hero::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,.045) 0 1px, transparent 1px 62px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 62px);
  mask-image:radial-gradient(120% 90% at 30% 0%, #000 20%, transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 30% 0%, #000 20%, transparent 78%);
}
.hero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(880px 460px at 88% -8%, rgba(19,176,237,.30), transparent 62%),
    radial-gradient(620px 420px at -6% 10%, rgba(253,166,40,.16), transparent 58%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);gap:clamp(34px,5vw,68px);align-items:center}
.hero h1{
  font-size:clamp(36px,5.3vw,60px); font-weight:900; letter-spacing:-.028em; text-wrap:balance;
  margin:20px 0 0; color:#fff;
}
.hero h1 .hl{color:var(--gold)}
.hero .lede{color:#C4CEE0;font-size:clamp(17px,1.9vw,20px);margin-top:22px;max-width:33em}
.hero .lede strong{color:#fff;font-weight:600}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:34px}
.hero-note{
  font-family:var(--m); font-size:12.5px; color:#8D97AE; margin-top:22px;
  display:flex; align-items:center; gap:9px;
}
.hero-note .dot{width:7px;height:7px;border-radius:50%;background:#3FD07A;box-shadow:0 0 0 4px rgba(63,208,122,.16);flex:none}

/* spec card, hangs past the hero edge */
.spec{
  background:var(--bg); border:1px solid var(--line);
  border-radius:14px; box-shadow:var(--shadow-lift);
  padding:8px 26px 10px; position:relative;
}
.spec::before{
  content:""; position:absolute; left:0; right:0; top:-1px; height:4px;
  background:linear-gradient(90deg,var(--blue),var(--gold));
  border-radius:14px 14px 0 0;
}
.spec dl{margin:0}
.spec .row{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}
.spec .row:last-child{border-bottom:0}
.spec dt{font-family:var(--m);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);margin:0}
.spec dd{font-family:var(--h);font-weight:800;font-size:17px;color:var(--ink);margin:0;text-align:right}
.spec dd .free{color:var(--gold)}

/* ---------- sections ---------- */
section{padding-block:clamp(58px,8vw,96px)}
.sec-head{max-width:44rem;margin-bottom:clamp(34px,4.5vw,52px)}
.sec-head h2{font-size:clamp(29px,4.1vw,44px);margin-top:16px}
.sec-head p{color:var(--ink-soft);margin-top:16px;font-size:18px}
.tinted{background:var(--surface);border-block:1px solid var(--line)}

/* ---------- numbered index ---------- */
.index{border-top:1px solid var(--line-firm)}
.index-row{
  display:grid; grid-template-columns:76px minmax(0,1fr) minmax(0,1.25fr) auto;
  gap:clamp(14px,2.4vw,30px); align-items:center;
  padding:clamp(20px,2.6vw,28px) 6px;
  border-bottom:1px solid var(--line);
  position:relative; transition:padding-left .2s cubic-bezier(.2,.7,.3,1);
}
.index-row::before{
  content:""; position:absolute; left:0; bottom:-1px; height:2px; width:0;
  background:var(--gold); transition:width .32s cubic-bezier(.2,.7,.3,1);
}
a.index-row:hover{padding-left:14px}
a.index-row:hover::before{width:100%}
.index-row .num{
  font-family:var(--m); font-size:13px; font-weight:500; letter-spacing:.1em;
  color:var(--gold); padding-top:3px;
}
.index-row h3{font-size:clamp(20px,2.4vw,25px);font-weight:800}
.index-row h3 .mark{color:var(--accent-ink)}
.index-row .desc{color:var(--ink-soft);font-size:15.5px;line-height:1.6}
.index-row .meta{
  font-family:var(--m); font-size:11.5px; letter-spacing:.13em; text-transform:uppercase;
  color:var(--ink-faint); white-space:nowrap; text-align:right;
}
.index-row .meta .free{
  color:var(--gold-deep); background:rgba(253,166,40,.15);
  padding:5px 10px; border-radius:999px; font-weight:500;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .index-row .meta .free{color:var(--gold)}}
:root[data-theme="dark"] .index-row .meta .free{color:var(--gold)}

/* ---------- feature trio ---------- */
.trio{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:clamp(18px,2.6vw,30px)}
.tile{border:1px solid var(--line);border-radius:14px;padding:28px 26px 26px;background:var(--bg);transition:transform .16s, box-shadow .16s, border-color .16s}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-firm)}
.tile .ico{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:rgba(19,176,237,.13);color:var(--accent-ink);margin-bottom:18px}
.tile .ico svg{width:21px;height:21px}
.tile h3{font-size:20px;margin-bottom:9px}
.tile p{color:var(--ink-soft);font-size:15.5px}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:clamp(20px,3vw,30px);align-items:stretch}
.plan{border:1px solid var(--line);border-radius:16px;padding:32px 30px 30px;background:var(--bg);position:relative;display:flex;flex-direction:column;height:100%}
.plan.feature{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue), var(--shadow)}
.plan .flag{
  position:absolute;top:-13px;left:30px;font-family:var(--m);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;background:var(--blue);color:#04202E;
  padding:5px 12px;border-radius:999px;font-weight:500;
}
.plan h3{font-size:24px}
.plan .price{font-family:var(--h);font-weight:900;font-size:52px;letter-spacing:-.03em;margin:18px 0 2px;line-height:1}
.plan .price .per{font-size:17px;font-weight:600;color:var(--ink-soft);letter-spacing:0}
.plan .price.free{color:var(--gold)}
.plan .sub{color:var(--ink-soft);font-size:15.5px;margin-top:10px;min-height:3em}
.plan ul{list-style:none;padding:0;margin:24px 0 28px;display:grid;gap:12px}
.plan li{display:flex;gap:11px;font-size:15.5px;color:var(--ink-soft);line-height:1.5}
.plan li svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--blue)}
.plan .btn{width:100%;margin-top:auto}
.plan .fineprint{font-family:var(--m);font-size:11.5px;color:var(--ink-faint);margin-top:14px;text-align:center;letter-spacing:.04em}

.callout{
  margin-top:clamp(26px,3.5vw,38px); border:1px solid var(--line-firm); border-radius:14px;
  padding:26px 28px; background:var(--surface-2);
  display:flex; gap:22px; align-items:center; flex-wrap:wrap;
}
.callout .body{flex:1 1 300px}
.callout h3{font-size:20px;margin-bottom:7px}
.callout p{color:var(--ink-soft);font-size:15.5px}

/* ---------- lesson list + filter ---------- */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.chip{
  font-family:var(--h);font-weight:600;font-size:14px;color:var(--ink-soft);
  background:transparent;border:1.5px solid var(--line-firm);border-radius:999px;
  padding:8px 16px;cursor:pointer;transition:all .14s;
}
.chip:hover{border-color:var(--blue);color:var(--accent-ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.chip .n{font-family:var(--m);font-size:11.5px;margin-left:7px;opacity:.65}

.lessons{display:grid;gap:0;border-top:1px solid var(--line-firm)}
.lesson{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:18px;align-items:center;
  padding:17px 4px;border-bottom:1px solid var(--line);
}
.lesson .num{font-family:var(--m);font-size:12.5px;color:var(--ink-faint);letter-spacing:.08em}
.lesson h3{font-size:17.5px;font-weight:700;letter-spacing:-.005em}
.lesson .track{font-size:13.5px;color:var(--ink-soft);margin-top:3px}
.lesson .pill{
  font-family:var(--m);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.pill-free{background:rgba(253,166,40,.16);color:var(--gold-deep)}
.pill-soon{background:var(--surface-2);color:var(--ink-faint)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pill-free{color:var(--gold)}}
:root[data-theme="dark"] .pill-free{color:var(--gold)}
.lesson.hide{display:none}

/* ---------- form ---------- */
.form-card{border:1px solid var(--line);border-radius:16px;padding:clamp(26px,3.4vw,38px);background:var(--bg);box-shadow:var(--shadow)}
.field{display:grid;gap:7px;margin-bottom:17px}
.field label{font-family:var(--m);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.field input{
  font-family:var(--b);font-size:16px;color:var(--ink);background:var(--bg);
  border:1.5px solid var(--line-firm);border-radius:10px;padding:13px 15px;transition:border-color .14s;
}
.field input:focus{border-color:var(--blue);outline:none}
.form-card .btn{width:100%;margin-top:6px}
.form-card .fineprint{font-family:var(--m);font-size:11.5px;color:var(--ink-faint);margin-top:14px;text-align:center}

/* ---------- closing band ---------- */
.band{background:var(--midnight);color:#fff;position:relative;overflow:hidden;border-block:1px solid var(--line)}
.band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 400px at 78% 0%,rgba(19,176,237,.26),transparent 62%),
             radial-gradient(560px 340px at 4% 100%,rgba(253,166,40,.15),transparent 58%);
}
.band .wrap{position:relative;z-index:2;text-align:center}
.band h2{font-size:clamp(29px,4.3vw,46px);color:#fff}
.band p{color:#BCC6DA;margin:18px auto 0;max-width:36em;font-size:18px}
.band .hero-cta{justify-content:center}

/* ---------- footer ---------- */
footer{background:var(--surface);border-top:1px solid var(--line);padding-block:44px 34px;font-size:14.5px;color:var(--ink-soft)}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:34px}
footer img{height:32px}
footer .blurb{margin-top:16px;max-width:30em;font-size:14.5px}
footer h4{font-family:var(--m);font-size:11px;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-faint);font-weight:500;margin-bottom:13px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
footer a:hover{color:var(--accent-ink)}
.foot-base{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-family:var(--m);font-size:12px;color:var(--ink-faint);letter-spacing:.03em}

/* ---------- entrance ---------- */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.rise{animation:rise .62s cubic-bezier(.2,.7,.3,1) both}
.d1{animation-delay:.05s}.d2{animation-delay:.13s}.d3{animation-delay:.21s}
.d4{animation-delay:.29s}.d5{animation-delay:.37s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-delay:0s !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  a.index-row:hover{padding-left:6px}
  .tile:hover,.btn:hover{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:940px){
  .hero-grid{grid-template-columns:1fr;align-items:start}
  .index-row{grid-template-columns:52px minmax(0,1fr);row-gap:8px}
  .index-row .desc{grid-column:2}
  .index-row .meta{grid-column:2;text-align:left}
  .foot-grid{grid-template-columns:1fr 1fr}
  footer .brand{grid-column:1 / -1}
}
@media (max-width:720px){
  body{font-size:16.5px}
  .menu-btn{
    display:grid;place-items:center;width:38px;height:38px;
    border:1px solid var(--line-firm);border-radius:9px;background:transparent;color:var(--ink);cursor:pointer;
  }
  .menu-btn svg{width:19px;height:19px}
  .nav{
    position:absolute;top:72px;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px var(--gutter) 18px;
    background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav[hidden]{display:none}
  .nav a{padding:12px 10px;font-size:16px}
  .nav .btn{margin:8px 0 0;justify-content:center}
  .lesson{grid-template-columns:44px minmax(0,1fr);row-gap:7px}
  .lesson .pill{grid-column:2;justify-self:start}
  .foot-grid{grid-template-columns:1fr}
}