/* LinkForest.io — site kit, built on the Kukis Global design system.
   Tokens do the theming; this file is layout + LinkForest-specific treatments.
   Teal = primary brand / infrastructure signal. Chainlink blue = oracle/data signal. */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-page);color:var(--text-primary);
  font-family:var(--font-sans);-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none}
img{display:block}

/* ---- Chainlink-blue secondary accent tokens -------------------------------- */
:root,[data-theme="dark"]{
  --cl-blue:#3B63E8;
  --cl-blue-text:#83A0FF;       /* readable blue text on dark */
  --cl-blue-soft:rgba(91,124,240,.14);
  --cl-blue-border:rgba(91,124,240,.42);
  --cl-blue-glow:rgba(91,124,240,.34);
}
[data-theme="light"]{
  --cl-blue:#375BD2;
  --cl-blue-text:#2A4BC0;
  --cl-blue-soft:rgba(55,91,210,.10);
  --cl-blue-border:rgba(55,91,210,.34);
  --cl-blue-glow:rgba(55,91,210,.20);
}

.lf-accent{color:var(--accent-strong)}
.lf-blue{color:var(--cl-blue-text)}

/* ---- Chainlink-blue accent intensity (Tweak: data-blue) -------------------- */
/* subtle — pull blue back toward the teal system in incidental UI */
[data-blue="subtle"] .lf-chip:hover{border-color:var(--border-accent);background:var(--accent-soft)}
[data-blue="subtle"] .lf-hero__glow--blue{opacity:.2}
[data-blue="subtle"] .lf-feed__px{color:var(--text-primary)}
/* bold — let the Chainlink blue carry more of the page */
[data-blue="bold"] .lf-hero__glow--blue{opacity:.6}
[data-blue="bold"] .lf-hero--split .lf-hero__glow--blue{opacity:.7}
[data-blue="bold"] .lf-chip__dot{background:var(--cl-blue);box-shadow:0 0 7px var(--cl-blue)}
[data-blue="bold"] .lf-stat__n{color:var(--cl-blue-text)}
[data-blue="bold"] .lf-time__col::before{background:var(--cl-blue);box-shadow:0 0 10px var(--cl-blue-glow)}
[data-blue="bold"] .lf-feat__icon{background:var(--cl-blue-soft);color:var(--cl-blue-text);border-color:var(--cl-blue-border)}
.lf-muted{color:var(--text-muted);font-size:15px;line-height:1.6;margin:0}
.lf-h2{font-family:var(--font-display);font-weight:500;font-size:var(--text-2xl);
  letter-spacing:var(--tracking-tight);line-height:1.08;margin:14px 0 0;color:var(--text-primary)}
.lf-h3{font-family:var(--font-display);font-weight:600;font-size:var(--text-lg);margin:0;color:var(--text-primary)}

/* ---- layout helpers -------------------------------------------------------- */
.lf-sec{max-width:var(--container-max);margin:0 auto;padding:var(--section-pad) var(--gutter)}
.lf-sec--alt{max-width:none;background:var(--bg-alt);border-top:1px solid var(--border-subtle);
  border-bottom:1px solid var(--border-subtle)}
.lf-sec--alt .lf-sec__head,.lf-sec--alt .lf-grid,.lf-sec--alt .lf-allnets,.lf-sec--alt .lf-infra{
  max-width:var(--container-max);margin-left:auto;margin-right:auto}
.lf-sec__head{max-width:700px;margin-bottom:var(--space-8)}
.lf-sec__lead{color:var(--text-secondary);font-size:var(--text-md);line-height:1.6;margin:18px 0 0}
.lf-grid{display:grid;gap:18px}
.lf-grid--3{grid-template-columns:repeat(3,1fr)}
.lf-grid--4{grid-template-columns:repeat(4,1fr)}

/* ---- logo ------------------------------------------------------------------ */
.lf-logo{display:inline-flex;align-items:center;gap:11px;line-height:1}
.lf-logo__mark{width:30px;height:30px;flex:none;color:var(--accent)}
.lf-logo__word{font-family:var(--font-display);font-weight:600;font-size:20px;
  letter-spacing:-.01em;color:var(--text-primary)}
.lf-logo__word b{font-weight:600;color:var(--accent-strong)}
.lf-logo__io{color:var(--text-faint);font-weight:500}
.lf-logo--sm .lf-logo__mark{width:26px;height:26px}
.lf-logo--sm .lf-logo__word{font-size:18px}

/* ---- nav ------------------------------------------------------------------- */
.lf-nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background var(--dur-base) var(--ease-out),
  border-color var(--dur-base) var(--ease-out),backdrop-filter var(--dur-base)}
.lf-nav__inner{max-width:var(--container-wide);margin:0 auto;height:70px;padding:0 var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.lf-nav--solid{background:rgba(6,11,11,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-subtle)}
[data-theme="light"] .lf-nav--solid{background:rgba(238,243,242,.85)}
.lf-nav__links{display:flex;gap:28px}
.lf-nav__links a{font-size:14px;color:var(--text-secondary);transition:color var(--dur-base)}
.lf-nav__links a:hover{color:var(--accent)}
.lf-nav__cta{display:flex;align-items:center;gap:8px}
.lf-theme-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:var(--radius-sm);background:transparent;border:1px solid var(--border-default);
  color:var(--text-secondary);cursor:pointer;transition:color var(--dur-base),border-color var(--dur-base),background var(--dur-base)}
.lf-theme-btn:hover{color:var(--accent-strong);border-color:var(--border-accent);background:var(--accent-soft)}
.lf-nav__burger{display:none;background:none;border:0;color:var(--text-primary);cursor:pointer}
.lf-nav__mobile{display:none;flex-direction:column;gap:14px;padding:18px var(--gutter) 24px;
  background:rgba(6,11,11,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--border-subtle)}
[data-theme="light"] .lf-nav__mobile{background:rgba(238,243,242,.96)}
.lf-nav__mobile a{color:var(--text-secondary);font-size:15px}

/* ---- hero (shared) --------------------------------------------------------- */
.lf-hero{position:relative;min-height:94vh;display:flex;align-items:center;overflow:hidden;background:var(--bg-page)}
.lf-hero__bg{position:absolute;inset:0;
  background-image:url(assets/img/bg-masthead.jpg); /* fallback: no image-set() support */
  background-image:image-set(url(assets/img/bg-masthead.avif) type("image/avif"),url(assets/img/bg-masthead.webp) type("image/webp"),url(assets/img/bg-masthead.jpg) type("image/jpeg"));
  background-position:center;background-size:cover;
  filter:grayscale(1) contrast(1.08) brightness(.6)}
[data-theme="light"] .lf-hero__bg{filter:grayscale(1) contrast(1) brightness(1.55);opacity:.12}
.lf-hero__grad{position:absolute;inset:0;background:
  linear-gradient(to bottom,rgba(6,11,11,.5) 0%,rgba(6,11,11,.72) 58%,var(--ink-950) 100%)}
[data-theme="light"] .lf-hero__grad{background:
  linear-gradient(to bottom,rgba(238,243,242,.5) 0%,rgba(238,243,242,.82) 55%,var(--bg-page) 100%)}
.lf-hero__glow{position:absolute;left:-8%;top:24%;width:48%;height:60%;
  background:radial-gradient(circle,var(--accent-glow) 0%,transparent 68%);opacity:.5;filter:blur(40px)}
.lf-hero__glow--blue{left:auto;right:-6%;top:8%;width:46%;height:55%;
  background:radial-gradient(circle,var(--cl-blue-glow) 0%,transparent 70%);opacity:.42}
[data-theme="light"] .lf-hero__glow{opacity:.26}
[data-theme="light"] .lf-hero__glow--blue{opacity:.22}
.lf-hero__inner{position:relative;max-width:var(--container-max);margin:0 auto;width:100%;
  padding:140px var(--gutter) 70px}
.lf-hero__eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:4px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cl-blue-text);background:var(--cl-blue-soft);border:1px solid var(--cl-blue-border);
  border-radius:var(--radius-pill);padding:6px 13px 6px 11px}
.lf-hero__eyebrow img{height:13px;width:auto;opacity:.95}
.lf-hero__h1{font-family:var(--font-display);font-weight:500;font-size:clamp(40px,6.6vw,80px);
  line-height:1.01;letter-spacing:var(--tracking-tighter);margin:22px 0 0;max-width:15ch}
.lf-hero__sub{color:var(--text-secondary);font-size:var(--text-md);line-height:1.6;
  max-width:56ch;margin:24px 0 0}
.lf-hero__actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.lf-stats{display:flex;gap:46px;margin-top:62px;flex-wrap:wrap}
.lf-stat__n{font-family:var(--font-display);font-weight:500;font-size:34px;color:var(--text-primary);
  letter-spacing:-.01em}
.lf-stat__l{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-muted);margin-top:6px}

/* ---- hero B: telemetry split ----------------------------------------------- */
.lf-hero--split .lf-hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.lf-hero--split .lf-hero__h1{font-size:clamp(36px,4.7vw,62px);max-width:13ch}
.lf-hero--split .lf-stats{gap:38px;margin-top:46px}
.lf-feed{background:var(--surface-card);border:1px solid var(--border-subtle);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}
.lf-feed__top{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 18px;border-bottom:1px solid var(--border-subtle);background:var(--surface-raised)}
.lf-feed__ttl{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary)}
.lf-feed__ttl .lf-dot{width:7px;height:7px;border-radius:50%;background:var(--status-up);
  box-shadow:0 0 8px var(--status-up)}
.lf-feed__live{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cl-blue-text);background:var(--cl-blue-soft);border:1px solid var(--cl-blue-border);
  border-radius:var(--radius-pill);padding:4px 9px}
.lf-feed__rows{display:flex;flex-direction:column}
.lf-feed__row{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:14px;
  padding:13px 18px;border-bottom:1px solid var(--border-subtle)}
.lf-feed__row:last-child{border-bottom:0}
.lf-feed__pair{font-family:var(--font-mono);font-size:13px;color:var(--text-primary);letter-spacing:.02em}
.lf-feed__px{font-family:var(--font-mono);font-size:13px;color:var(--cl-blue-text);font-weight:500;
  text-align:right;min-width:96px}
.lf-feed__delta{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;
  color:var(--status-up);text-align:right;min-width:54px}
.lf-feed__delta--dn{color:var(--status-down)}
.lf-feed__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 18px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--text-faint)}

/* ---- trusted strip --------------------------------------------------------- */
.lf-trusted{max-width:var(--container-max);margin:0 auto;padding:34px var(--gutter);
  display:flex;align-items:center;gap:32px;border-bottom:1px solid var(--border-subtle)}
.lf-trusted__lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-faint);white-space:nowrap}
.lf-trusted__row{display:flex;gap:28px;flex-wrap:wrap}
.lf-trusted__item{font-family:var(--font-display);font-weight:500;font-size:17px;color:var(--text-faint);
  transition:color var(--dur-base)}
.lf-trusted__item:hover{color:var(--text-secondary)}

/* ---- why / feature cards --------------------------------------------------- */
.lf-feat__icon{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:var(--radius-md);background:var(--accent-soft);color:var(--accent-strong);
  border:1px solid var(--border-accent);margin-bottom:18px}
.lf-feat__icon--blue{background:var(--cl-blue-soft);color:var(--cl-blue-text);border-color:var(--cl-blue-border)}
.lf-feat .lf-h3{margin-bottom:8px}
.lf-feat__list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:9px}
.lf-feat__list li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--text-secondary);line-height:1.45}
.lf-feat__list svg{flex:none;margin-top:2px;color:var(--accent-strong)}

/* ---- networks: featured + full roster -------------------------------------- */
.lf-allnets{margin-top:58px;padding-top:48px;border-top:1px solid var(--border-subtle)}
.lf-allnets__head{max-width:700px;margin-bottom:26px;display:flex;align-items:flex-end;
  justify-content:space-between;gap:24px;flex-wrap:wrap}
.lf-allnets__head .lf-h3{margin-top:12px;font-weight:500;font-size:var(--text-xl);line-height:1.18}
.lf-count{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-faint);white-space:nowrap}
.lf-chips{display:flex;flex-wrap:wrap;gap:9px}
.lf-chip{display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.01em;color:var(--text-secondary);
  background:var(--surface-card);border:1px solid var(--border-subtle);
  border-radius:var(--radius-pill);padding:7px 14px 7px 12px;
  transition:border-color var(--dur-base) var(--ease-out),color var(--dur-base) var(--ease-out),
             background var(--dur-base) var(--ease-out)}
.lf-chip:hover{border-color:var(--cl-blue-border);color:var(--text-primary);background:var(--cl-blue-soft)}
.lf-chip__dot{width:6px;height:6px;border-radius:50%;background:var(--status-up);flex:none;
  box-shadow:0 0 7px var(--status-up)}

/* ---- infrastructure -------------------------------------------------------- */
.lf-infra{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.lf-infra__media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-subtle);
  box-shadow:var(--shadow-lg);position:relative;background:var(--surface-card)}
.lf-infra__media img{width:100%;height:100%;object-fit:cover;
  filter:grayscale(.25) contrast(1.04) brightness(.92)}
.lf-infra__media--blue::after{content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,transparent 50%,var(--cl-blue-soft) 100%);pointer-events:none}
.lf-infra__points{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:18px}
.lf-infra__points li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.lf-infra__pi{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex:none;
  border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--accent-strong);
  border:1px solid var(--border-accent)}
.lf-infra__pt{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--text-primary);margin:0 0 3px}
.lf-infra__pd{font-size:13.5px;line-height:1.55;color:var(--text-muted);margin:0}
.lf-specs{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.lf-spec{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-secondary);background:var(--surface-card);border:1px solid var(--border-subtle);
  border-radius:var(--radius-pill);padding:6px 12px}

/* ---- track record / timeline ----------------------------------------------- */
.lf-time{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;
  border-top:1px solid var(--border-default)}
.lf-time__col{padding:26px 22px 0 0;position:relative}
.lf-time__col::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px var(--accent-glow)}
.lf-time__yr{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--accent-strong)}
.lf-time__t{font-family:var(--font-display);font-weight:600;font-size:16px;color:var(--text-primary);margin:10px 0 6px}
.lf-time__d{font-size:13.5px;line-height:1.55;color:var(--text-muted);margin:0;padding-right:14px}

/* ---- contact / cta --------------------------------------------------------- */
.lf-cta{position:relative;overflow:hidden;border-top:1px solid var(--border-subtle);background:var(--bg-page)}
.lf-cta__bg{position:absolute;inset:0;
  background-image:url(assets/img/bg-signup.jpg); /* fallback: no image-set() support */
  background-image:image-set(url(assets/img/bg-signup.avif) type("image/avif"),url(assets/img/bg-signup.webp) type("image/webp"),url(assets/img/bg-signup.jpg) type("image/jpeg"));
  background-position:center;background-size:cover;
  filter:grayscale(1) contrast(1.05) brightness(.5)}
[data-theme="light"] .lf-cta__bg{filter:grayscale(1) contrast(1) brightness(1.55);opacity:.1}
.lf-cta__grad{position:absolute;inset:0;background:
  linear-gradient(115deg,var(--ink-950) 30%,rgba(6,11,11,.7) 100%)}
[data-theme="light"] .lf-cta__grad{background:
  linear-gradient(115deg,var(--bg-page) 30%,rgba(238,243,242,.7) 100%)}
.lf-cta__inner{position:relative;max-width:var(--container-max);margin:0 auto;
  padding:var(--section-pad) var(--gutter);display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.lf-cta__meta{display:flex;flex-direction:column;gap:12px;margin:28px 0 26px}
.lf-cta__link{display:inline-flex;align-items:center;gap:10px;color:var(--text-secondary);
  font-size:15px;transition:color var(--dur-base)}
.lf-cta__link:hover{color:var(--accent)}
.lf-cta__eba{opacity:.85;margin-top:4px}
[data-theme="light"] .lf-cta__eba{filter:invert(1) brightness(.28);opacity:.75}
.lf-form{width:100%}
.lf-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.lf-form form{display:flex;flex-direction:column;gap:14px}
.lf-form__cal{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--text-muted);margin-top:2px}
.lf-form__cal:hover{color:var(--accent)}
.lf-form__done{text-align:center;padding:30px 10px;display:flex;flex-direction:column;align-items:center;gap:12px}
.lf-form__check{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;
  border-radius:50%;background:var(--accent-soft);color:var(--accent);border:1px solid var(--border-accent)}

/* ---- footer ---------------------------------------------------------------- */
.lf-foot{border-top:1px solid var(--border-subtle);background:var(--bg-alt)}
.lf-foot__inner{max-width:var(--container-max);margin:0 auto;padding:64px var(--gutter) 40px;
  display:grid;grid-template-columns:1.4fr 2fr;gap:50px}
.lf-foot__brand{display:flex;flex-direction:column;gap:16px;max-width:340px}
.lf-foot__op{display:flex;align-items:center;gap:10px;padding-top:6px}
.lf-foot__op span{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-faint)}
.lf-foot__op img{height:18px;width:auto;opacity:.9}
.lf-foot__social{display:flex;gap:10px;margin-top:4px}
.lf-foot__social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:var(--radius-sm);border:1px solid var(--border-default);color:var(--text-secondary);
  transition:color var(--dur-base),border-color var(--dur-base),background var(--dur-base)}
.lf-foot__social a:hover{color:var(--accent-strong);border-color:var(--border-accent);background:var(--accent-soft)}
.lf-foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lf-foot__cols h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-faint);margin:0 0 14px;font-weight:500}
.lf-foot__cols a{display:block;color:var(--text-secondary);font-size:14px;padding:5px 0;transition:color var(--dur-base)}
.lf-foot__cols a:hover{color:var(--accent)}
.lf-foot__bar{max-width:var(--container-max);margin:0 auto;padding:22px var(--gutter);
  border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;gap:16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:var(--text-faint);flex-wrap:wrap}

/* ---- entrance animation ---------------------------------------------------- */
@media (prefers-reduced-motion: no-preference){
  .lf-rise{animation:lf-rise .6s var(--ease-out) both}
  .lf-rise[data-d="1"]{animation-delay:.06s}
  .lf-rise[data-d="2"]{animation-delay:.12s}
  .lf-rise[data-d="3"]{animation-delay:.18s}
  .lf-rise[data-d="4"]{animation-delay:.24s}
  @keyframes lf-rise{from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:none}}
}

/* ---- responsive ------------------------------------------------------------ */
@media(max-width:980px){
  .lf-grid--4{grid-template-columns:repeat(2,1fr)}
  .lf-grid--3{grid-template-columns:repeat(2,1fr)}
  .lf-hero--split .lf-hero__inner{grid-template-columns:1fr;gap:40px}
  .lf-infra{grid-template-columns:1fr;gap:36px}
  .lf-infra__media{order:-1}
  .lf-cta__inner{grid-template-columns:1fr;gap:40px}
  .lf-foot__inner{grid-template-columns:1fr;gap:36px}
  .lf-time{grid-template-columns:repeat(2,1fr);gap:28px 0}
}
@media(max-width:720px){
  .lf-nav__links,.lf-nav__cta{display:none}
  .lf-nav__burger{display:inline-flex}
  .lf-nav__mobile{display:flex}
  .lf-grid--4,.lf-grid--3{grid-template-columns:1fr}
  .lf-form__grid{grid-template-columns:1fr}
  .lf-stats{gap:28px}
  .lf-time{grid-template-columns:1fr}
}