/* ===========================
   RESET + ROOT
   =========================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink:    #0A0B0D;
  --ink-2:  #101216;
  --ink-3:  #15181D;
  --ink-4:  #1A1E25;
  --paper:  #E8EAED;
  --paper-2:#C4C8CF;
  --muted:  #6B7280;
  --muted-2:#9AA3AF;
  --rule:   #1F232A;
  --rule-bright:#2A3038;
  --signal: #00E5A0;
  --signal-dim:rgba(0,229,160,0.10);
  --signal-glow:rgba(0,229,160,0.45);
  --alert:  #FF5C5C;
  --amber:  #FFB547;

  --font-ui:   'Inter',system-ui,sans-serif;
  --font-mono: 'JetBrains Mono',ui-monospace,monospace;
  --font-serif:'Instrument Serif',serif;

  --ease-out:    cubic-bezier(0.16,1,0.3,1);
  --ease-tap:    cubic-bezier(0.65,0,0.35,1);
  --ease-in-out: cubic-bezier(0.7,0,0.3,1);
}

html{
  font-size:16px;
  scroll-behavior:smooth;
  background:var(--ink);
}

body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-ui);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-feature-settings:'ss01','cv11','cv05','cv02';
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}

*:focus{outline:none}
*:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:2px;
}

::selection{background:var(--signal);color:var(--ink)}

::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:var(--rule-bright);border-radius:3px}

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

/* ===========================
   SCROLL PROGRESS
   =========================== */
#scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  background:var(--signal);
  transform-origin:left center;
  transform:scaleX(0);
  z-index:2000;
  pointer-events:none;
  will-change:transform;
  transition:transform 0.05s linear;
}

/* ===========================
   NAV
   =========================== */
#nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  height:64px;
  padding:0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:rgba(10,11,13,0.80);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid var(--rule);
}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.logo-mark{
  width:24px;height:24px;
  border:1.5px solid rgba(232,234,237,0.45);
  border-radius:4px;
  display:grid;place-items:center;
  flex-shrink:0;
}
.logo-mark::after{
  content:'';
  width:8px;height:8px;
  background:var(--signal);
  border-radius:50%;
  box-shadow:0 0 10px var(--signal-glow);
}

.logo-wordmark{
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--paper);
  line-height:1;
}
.logo-wordmark .lw-found{
  color:var(--signal);
  text-shadow:0 0 18px var(--signal-glow);
}

.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
}

.nav-guides-link{
  font-size:14px;
  color:var(--muted-2);
  font-weight:500;
  transition:color 0.2s;
  display:none;
}
.nav-guides-link:hover{color:var(--paper)}
@media(min-width:640px){.nav-guides-link{display:block}}

.nav-cta{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:9px 18px;
  background:var(--signal);
  color:var(--ink);
  border-radius:3px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:transform 0.15s var(--ease-tap), box-shadow 0.25s;
  will-change:transform;
  text-decoration:none;
  white-space:nowrap;
}
.nav-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 4px 20px var(--signal-glow);
}
.nav-cta:active{transform:translateY(0) scale(0.98)}

/* ===========================
   MAIN LAYOUT
   =========================== */
main{
  padding-top:64px;
  min-height:100vh;
}

/* ===========================
   ARTICLE HERO
   =========================== */
.article-hero{
  padding: 72px 24px 56px;
  max-width:760px;
  margin:0 auto;
}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:32px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--muted);
}
.breadcrumb a{
  color:var(--muted);
  transition:color 0.2s;
}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb-sep{color:var(--rule-bright)}

.article-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--signal);
  border:1px solid rgba(0,229,160,0.25);
  background:var(--signal-dim);
  border-radius:2px;
  padding:4px 10px;
  margin-bottom:24px;
}
.article-tag::before{
  content:'';
  width:5px;height:5px;
  background:var(--signal);
  border-radius:50%;
  box-shadow:0 0 6px var(--signal-glow);
}

.article-title{
  font-family:var(--font-serif);
  font-size:clamp(2.1rem, 5vw, 3.25rem);
  font-weight:400;
  line-height:1.15;
  letter-spacing:-0.02em;
  color:var(--paper);
  margin-bottom:20px;
}
.article-title em{
  font-style:italic;
  color:var(--signal);
}

.article-deck{
  font-size:clamp(1.05rem, 2.2vw, 1.2rem);
  line-height:1.65;
  color:var(--muted-2);
  font-weight:400;
  max-width:640px;
  margin-bottom:36px;
}

.article-meta{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--rule);
}

.author-block{
  display:flex;
  align-items:center;
  gap:10px;
}
.author-avatar{
  width:36px;height:36px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--ink-4) 0%, #2a3038 100%);
  border:1.5px solid var(--rule-bright);
  display:grid;place-items:center;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  color:var(--signal);
  flex-shrink:0;
}
.author-name{
  font-size:13.5px;
  font-weight:600;
  color:var(--paper);
  line-height:1.2;
}
.author-title{
  font-size:12px;
  color:var(--muted);
  line-height:1.2;
}

.meta-divider{
  width:1px;height:28px;
  background:var(--rule-bright);
  display:none;
}
@media(min-width:480px){.meta-divider{display:block}}

.meta-item{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.meta-label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--muted);
}
.meta-value{
  font-size:13px;
  color:var(--paper-2);
  font-weight:500;
}

/* ===========================
   ARTICLE BODY
   =========================== */
.article-body{
  max-width:760px;
  margin:0 auto;
  padding:0 24px 80px;
}

/* Intro block */
.intro-block{
  padding:32px;
  background:var(--ink-3);
  border:1px solid var(--rule-bright);
  border-left:3px solid var(--signal);
  border-radius:4px;
  margin-bottom:64px;
  position:relative;
  overflow:hidden;
}
.intro-block::before{
  content:'';
  position:absolute;
  top:0;right:0;
  width:200px;height:200px;
  background:radial-gradient(circle, rgba(0,229,160,0.06) 0%, transparent 70%);
  pointer-events:none;
}
.intro-block p{
  font-size:1.05rem;
  line-height:1.75;
  color:var(--paper-2);
}
.intro-block p strong{
  color:var(--paper);
  font-weight:600;
}

/* Sections */
.article-section{
  margin-bottom:64px;
}

.section-number{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--signal);
  margin-bottom:12px;
  display:block;
}

.article-section h2{
  font-family:var(--font-serif);
  font-size:clamp(1.5rem, 3.5vw, 2rem);
  font-weight:400;
  line-height:1.2;
  color:var(--paper);
  margin-bottom:20px;
  letter-spacing:-0.01em;
}
.article-section h2 em{
  font-style:italic;
  color:var(--signal);
}

/* Answer block — the core AIO content unit */
.answer-block{
  padding:20px 24px;
  background:var(--ink-2);
  border:1px solid var(--rule-bright);
  border-left:2px solid var(--signal);
  border-radius:3px;
  margin-bottom:28px;
}
.answer-block .answer-label{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--signal);
  margin-bottom:8px;
  opacity:0.7;
}
.answer-block p{
  font-size:1rem;
  line-height:1.65;
  color:var(--paper);
  font-weight:500;
}

.body-p{
  font-size:1rem;
  line-height:1.75;
  color:var(--paper-2);
  margin-bottom:20px;
}
.body-p:last-child{margin-bottom:0}
.body-p strong{color:var(--paper);font-weight:600}
.body-p a{
  color:var(--signal);
  border-bottom:1px solid rgba(0,229,160,0.3);
  transition:border-color 0.2s;
}
.body-p a:hover{border-color:var(--signal)}

/* Platform grid */
.platform-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin:28px 0;
}
@media(min-width:560px){
  .platform-grid{grid-template-columns:1fr 1fr}
}

.platform-card{
  padding:18px 20px;
  background:var(--ink-3);
  border:1px solid var(--rule);
  border-radius:4px;
  transition:border-color 0.2s, transform 0.2s var(--ease-out);
}
.platform-card:hover{
  border-color:var(--rule-bright);
  transform:translateY(-2px);
}
.platform-name{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--signal);
  margin-bottom:8px;
  text-transform:uppercase;
}
.platform-stat{
  font-size:13px;
  line-height:1.55;
  color:var(--muted-2);
}
.platform-stat strong{
  color:var(--paper);
  font-weight:600;
}

/* Signal list — the 5 AIO signals */
.signal-list{
  list-style:none;
  margin:28px 0;
  display:flex;
  flex-direction:column;
  gap:16px;
}

.signal-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:20px 20px;
  background:var(--ink-3);
  border:1px solid var(--rule);
  border-radius:4px;
  transition:border-color 0.2s;
}
.signal-item:hover{border-color:var(--rule-bright)}

.signal-num{
  font-family:var(--font-mono);
  font-size:22px;
  font-weight:700;
  color:var(--signal);
  line-height:1;
  min-width:28px;
  opacity:0.6;
  padding-top:2px;
}
.signal-content{}
.signal-title{
  font-size:14.5px;
  font-weight:600;
  color:var(--paper);
  margin-bottom:5px;
  line-height:1.3;
}
.signal-desc{
  font-size:13.5px;
  line-height:1.6;
  color:var(--muted-2);
}
.signal-desc strong{color:var(--paper-2);font-weight:600}

/* Timeline */
.timeline{
  margin:28px 0;
  position:relative;
  padding-left:2px;
}
.timeline::before{
  content:'';
  position:absolute;
  left:19px;
  top:28px;
  bottom:0;
  width:1px;
  background:var(--rule-bright);
}

.tl-item{
  display:flex;
  gap:20px;
  align-items:flex-start;
  padding-bottom:24px;
  position:relative;
}
.tl-item:last-child{padding-bottom:0}

.tl-dot{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--ink-3);
  border:1.5px solid var(--rule-bright);
  display:grid;place-items:center;
  flex-shrink:0;
  font-family:var(--font-mono);
  font-size:9px;
  font-weight:700;
  letter-spacing:0.05em;
  color:var(--muted);
  position:relative;
  z-index:1;
  text-align:center;
  line-height:1.1;
  text-transform:uppercase;
}
.tl-dot.active{
  border-color:var(--signal);
  color:var(--signal);
  background:rgba(0,229,160,0.08);
  box-shadow:0 0 12px rgba(0,229,160,0.2);
}

.tl-content{
  padding-top:8px;
  flex:1;
}
.tl-period{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--signal);
  margin-bottom:4px;
}
.tl-desc{
  font-size:14px;
  line-height:1.6;
  color:var(--paper-2);
}
.tl-desc strong{color:var(--paper);font-weight:600}

/* DIY checklist */
.diy-list{
  list-style:none;
  margin:24px 0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.diy-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:14px;
  line-height:1.55;
  color:var(--paper-2);
  padding:12px 16px;
  background:var(--ink-2);
  border:1px solid var(--rule);
  border-radius:3px;
}
.diy-check{
  width:16px;height:16px;
  border:1.5px solid var(--rule-bright);
  border-radius:3px;
  flex-shrink:0;
  margin-top:1px;
  display:grid;place-items:center;
}

/* Pricing callout */
.pricing-callout{
  margin:32px 0;
  padding:28px 28px;
  background:linear-gradient(135deg, rgba(0,229,160,0.07) 0%, rgba(0,229,160,0.02) 100%);
  border:1px solid rgba(0,229,160,0.2);
  border-radius:4px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
@media(min-width:560px){
  .pricing-callout{flex-direction:row;align-items:center;justify-content:space-between}
}
.pricing-left{}
.pricing-headline{
  font-size:16px;
  font-weight:600;
  color:var(--paper);
  margin-bottom:6px;
  line-height:1.4;
}
.pricing-sub{
  font-size:13.5px;
  color:var(--muted-2);
  line-height:1.5;
}
.pricing-sub strong{color:var(--signal);font-weight:600}
.pricing-cta{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:11px 22px;
  background:var(--signal);
  color:var(--ink);
  border-radius:3px;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:transform 0.15s var(--ease-tap), box-shadow 0.25s;
  text-decoration:none;
  flex-shrink:0;
}
.pricing-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 4px 20px var(--signal-glow);
}
.pricing-cta:active{transform:scale(0.98)}

/* Divider */
.section-rule{
  border:none;
  border-top:1px solid var(--rule);
  margin:0 0 64px;
}

/* ===========================
   FAQ
   =========================== */
.faq-section{
  margin-bottom:64px;
}

.faq-section h2{
  font-family:var(--font-serif);
  font-size:clamp(1.4rem, 3vw, 1.85rem);
  font-weight:400;
  color:var(--paper);
  margin-bottom:8px;
  letter-spacing:-0.01em;
}
.faq-intro{
  font-size:14px;
  color:var(--muted);
  margin-bottom:32px;
  line-height:1.6;
}

.faq-list{
  display:flex;
  flex-direction:column;
  gap:0;
  border:1px solid var(--rule-bright);
  border-radius:4px;
  overflow:hidden;
}

.faq-item{
  border-bottom:1px solid var(--rule);
}
.faq-item:last-child{border-bottom:none}

.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  background:none;
  text-align:left;
  font-size:15px;
  font-weight:600;
  color:var(--paper);
  line-height:1.4;
  transition:background 0.15s, color 0.15s;
}
.faq-q:hover{
  background:var(--ink-3);
  color:var(--paper);
}
.faq-q[aria-expanded="true"]{
  color:var(--signal);
  background:rgba(0,229,160,0.05);
}

.faq-icon{
  width:20px;height:20px;
  border:1.5px solid var(--rule-bright);
  border-radius:50%;
  display:grid;place-items:center;
  flex-shrink:0;
  transition:transform 0.3s var(--ease-out), border-color 0.2s, background 0.2s;
}
.faq-icon svg{
  width:10px;height:10px;
  stroke:var(--muted);
  transition:stroke 0.2s, transform 0.3s var(--ease-out);
}
.faq-q[aria-expanded="true"] .faq-icon{
  border-color:var(--signal);
  background:rgba(0,229,160,0.1);
  transform:rotate(180deg);
}
.faq-q[aria-expanded="true"] .faq-icon svg{
  stroke:var(--signal);
}

.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 0.35s var(--ease-out);
}
.faq-a.open{
  grid-template-rows:1fr;
}
.faq-a-inner{
  overflow:hidden;
}
.faq-a-content{
  padding:0 24px 20px;
  font-size:14.5px;
  line-height:1.72;
  color:var(--muted-2);
}
.faq-a-content strong{color:var(--paper-2);font-weight:600}

/* ===========================
   ARTICLE FOOTER NAV
   =========================== */
.article-nav{
  max-width:760px;
  margin:0 auto;
  padding:0 24px 80px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
@media(min-width:560px){
  .article-nav{flex-direction:row;justify-content:space-between}
}

.article-nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 20px;
  background:var(--ink-2);
  border:1px solid var(--rule);
  border-radius:4px;
  transition:border-color 0.2s, transform 0.2s var(--ease-out), background 0.2s;
  text-decoration:none;
  flex:1;
}
.article-nav-link:hover{
  border-color:var(--rule-bright);
  background:var(--ink-3);
  transform:translateY(-2px);
}

.article-nav-link.prev{justify-content:flex-start}
.article-nav-link.next{justify-content:flex-end;text-align:right}
@media(min-width:560px){
  .article-nav-link{max-width:calc(50% - 6px)}
}

.nav-arrow{
  font-size:18px;
  color:var(--muted);
  flex-shrink:0;
  line-height:1;
}
.nav-link-meta{
  display:flex;
  flex-direction:column;
  gap:3px;
}
.nav-link-dir{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--muted);
}
.nav-link-title{
  font-size:13.5px;
  font-weight:600;
  color:var(--paper);
  line-height:1.3;
}

/* ===========================
   SITE FOOTER
   =========================== */
#footer{
  border-top:1px solid var(--rule);
  padding:48px 24px;
}
.footer-inner{
  max-width:760px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:20px;
  align-items:flex-start;
}
@media(min-width:640px){
  .footer-inner{flex-direction:row;align-items:center;justify-content:space-between}
}

.footer-logo{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--paper);
}
.footer-logo .fl-found{color:var(--signal)}

.footer-links{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
}
.footer-link{
  font-size:13px;
  color:var(--muted);
  transition:color 0.2s;
}
.footer-link:hover{color:var(--paper)}

.footer-copy{
  font-size:12px;
  color:var(--muted);
  margin-top:4px;
}
@media(min-width:640px){.footer-copy{margin-top:0}}

/* ===========================
   MOTION
   =========================== */
.fade-up{
  opacity:0;
  transform:translateY(18px);
  transition:opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}
.fade-up.visible{
  opacity:1;
  transform:translateY(0);
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    transition-duration:0.01ms !important;
  }
  .fade-up{opacity:1;transform:none}
}

/* ===========================
   UTILITY
   =========================== */
.highlight{color:var(--signal)}
.mono{font-family:var(--font-mono)}
.serif{font-family:var(--font-serif);font-style:italic}

/* Inline code */
code{
  font-family:var(--font-mono);
  font-size:0.88em;
  background:var(--ink-3);
  border:1px solid var(--rule-bright);
  padding:1px 6px;
  border-radius:3px;
  color:var(--signal);
}

/* Stat callout */
.stat-inline{
  font-family:var(--font-mono);
  font-size:0.9em;
  font-weight:700;
  color:var(--signal);
  background:var(--signal-dim);
  padding:1px 6px;
  border-radius:2px;
}