/* ============================================================
   Iqro Soft — Blueprint/Systems theme
   Tokens, layout and components for the one-page site.
   ============================================================ */

:root{
  --ink:#121826;
  --ink-soft:rgba(18,24,38,.64);
  --ink-faint:rgba(18,24,38,.38);
  --paper:#E9EEF0;
  --paper-deep:#DCE4E7;
  --white:#FCFDFC;
  --amber:#F2A33B;
  --circuit:#1F5E78;
  --line: rgba(18,24,38,.16);
  --line-strong: rgba(18,24,38,.3);
  --radius: 2px;
  --maxw: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans', sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body{
  background-image:
    radial-gradient(circle at 1px 1px, rgba(18,24,38,.07) 1px, transparent 1px);
  background-size: 28px 28px;
}
h1,h2,h3{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:800;
  margin:0;
  letter-spacing:.2px;
  color:var(--ink);
}
p{margin:0;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{margin:0; padding:0; list-style:none;}
button{font-family:inherit; cursor:pointer;}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--circuit);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:14px; height:1px;
  background:var(--circuit);
}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}

/* ---------- NAV ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(233,238,240,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px;
  max-width:var(--maxw);
  margin:0 auto;
}
.logo{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:800;
  font-size:1.3rem;
  letter-spacing:.02em;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.logo small{
  font-family:'IBM Plex Mono', monospace;
  font-weight:400;
  font-size:.62rem;
  color:var(--ink-soft);
  letter-spacing:.1em;
}
.nav-links{
  display:flex; gap:32px;
  font-size:.92rem;
  font-weight:500;
}
.nav-links a{
  position:relative;
  padding:4px 0;
  color:var(--ink-soft);
  transition:color .2s;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:var(--amber);
  transition:width .25s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-right{display:flex; align-items:center; gap:22px;}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'IBM Plex Mono', monospace;
  font-size:.82rem;
  letter-spacing:.04em;
  padding:11px 20px;
  border:1px solid var(--ink);
  border-radius:var(--radius);
  transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--ink);
  color:var(--paper);
  border-color:var(--ink);
}
.btn-primary:hover{
  background:var(--amber);
  border-color:var(--amber);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:0 8px 18px rgba(18,24,38,.18);
}
.btn-ghost{
  background:transparent;
  color:var(--ink);
}
.btn-ghost:hover{
  background:var(--ink);
  color:var(--paper);
  transform:translateY(-2px);
}
.burger{
  display:none;
  width:34px; height:34px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:transparent;
  align-items:center; justify-content:center;
}
.burger span, .burger span::before, .burger span::after{
  content:"";
  display:block;
  width:16px; height:1.4px;
  background:var(--ink);
  position:relative;
  transition:.2s;
}
.burger span::before{position:absolute; top:-5px;}
.burger span::after{position:absolute; top:5px;}

/* ---------- HERO ---------- */
.hero{
  padding:88px 0 70px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:50px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(2.6rem, 5.4vw, 4.4rem);
  line-height:1.04;
  letter-spacing:-.01em;
}
.hero-copy h1 em{
  font-style:normal;
  color:var(--circuit);
  border-bottom:3px solid var(--amber);
}
.hero-sub{
  margin-top:22px;
  max-width:480px;
  font-size:1.08rem;
  color:var(--ink-soft);
}
.hero-ctas{
  margin-top:34px;
  display:flex; gap:14px; flex-wrap:wrap;
}
.hero-meta{
  margin-top:46px;
  display:flex;
  gap:34px;
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  color:var(--ink-faint);
  letter-spacing:.05em;
}
.hero-meta b{
  display:block;
  color:var(--ink);
  font-size:1.05rem;
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:700;
}

/* diagram */
.diagram-wrap{
  position:relative;
}
.diagram-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:4px;
  padding:18px;
  box-shadow:0 30px 60px -30px rgba(18,24,38,.25);
}
.diagram-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:.68rem;
  letter-spacing:.1em;
  color:var(--ink-faint);
  display:flex;
  justify-content:space-between;
  padding-bottom:10px;
  border-bottom:1px dashed var(--line-strong);
  margin-bottom:6px;
}
svg.blueprint{width:100%; height:auto; display:block;}
.node-box{fill:var(--white); stroke:var(--ink); stroke-width:1.4;}
.node-box.hub{fill:var(--ink);}
.node-label{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  fill:var(--ink);
  letter-spacing:.5px;
}
.node-label.hub-label{fill:var(--paper);}
.trace{
  fill:none;
  stroke:var(--circuit);
  stroke-width:1.6;
  stroke-dasharray:14 7;
}
.dot{fill:var(--amber); stroke:none;}
.draw{
  stroke-dasharray:600;
  stroke-dashoffset:600;
  animation:draw 1.1s ease forwards;
}
@keyframes draw{to{stroke-dashoffset:0;}}
.pop{
  opacity:0;
  transform:scale(.85);
  transform-box:fill-box;
  transform-origin:center;
  animation:pop .5s ease forwards;
}
@keyframes pop{to{opacity:1; transform:scale(1);}}

/* ---------- DIVIDER ---------- */
.datum{
  display:flex; align-items:center; gap:14px;
  padding:34px 0;
}
.datum::before, .datum::after{
  content:""; flex:1; height:0;
  border-top:1px dashed var(--line-strong);
}
.datum span{
  font-family:'IBM Plex Mono', monospace;
  font-size:.72rem;
  color:var(--ink-faint);
  letter-spacing:.12em;
  white-space:nowrap;
}

/* ---------- SECTION GENERIC ---------- */
section{padding:84px 0;}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:30px;
  margin-bottom:50px;
}
.section-head h2{
  font-size:clamp(1.9rem, 3.4vw, 2.6rem);
  line-height:1.08;
  max-width:560px;
}
.section-head p{
  max-width:340px;
  color:var(--ink-soft);
  font-size:.98rem;
}

/* ---------- MODULES ---------- */
.modules-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line-strong);
  border:1px solid var(--line-strong);
}
.module{
  background:var(--white);
  padding:34px 28px 38px;
  position:relative;
  transition:background .25s;
}
.module:hover{background:var(--paper-deep);}
.module-id{
  font-family:'IBM Plex Mono', monospace;
  font-size:.72rem;
  color:var(--circuit);
  letter-spacing:.08em;
  margin-bottom:22px;
  display:flex;
  justify-content:space-between;
}
.module h3{
  font-size:1.5rem;
  margin-bottom:12px;
  line-height:1.12;
}
.module p{
  color:var(--ink-soft);
  font-size:.96rem;
}
.module-tag{
  display:inline-block;
  margin-top:18px;
  font-family:'IBM Plex Mono', monospace;
  font-size:.68rem;
  letter-spacing:.06em;
  padding:5px 9px;
  border:1px solid var(--line-strong);
  color:var(--ink-soft);
  border-radius:2px;
}

/* ---------- WHY ---------- */
.why-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:60px;
}
.why-intro p{
  color:var(--ink-soft);
  font-size:1.02rem;
}
.why-list{
  display:flex;
  flex-direction:column;
}
.why-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:18px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.why-item:last-child{border-bottom:1px solid var(--line);}
.why-num{
  font-family:'IBM Plex Mono', monospace;
  color:var(--ink-faint);
  font-size:.85rem;
  padding-top:3px;
}
.why-item h3{
  font-size:1.18rem;
  margin-bottom:8px;
  font-family:'IBM Plex Sans', sans-serif;
  font-weight:700;
}
.why-item p{color:var(--ink-soft); font-size:.95rem;}

/* ---------- PRICING ---------- */
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.price-card{
  background:var(--white);
  border:1px solid var(--line-strong);
  border-radius:3px;
  padding:30px 26px;
  display:flex;
  flex-direction:column;
  transition:transform .2s, box-shadow .2s, border-color .2s;
}
.price-card:hover{
  transform:translateY(-6px);
  box-shadow:0 24px 40px -28px rgba(18,24,38,.35);
  border-color:var(--circuit);
}
.price-card.featured{
  border-color:var(--ink);
  position:relative;
}
.price-tag-top{
  font-family:'IBM Plex Mono', monospace;
  font-size:.72rem;
  color:var(--ink-faint);
  letter-spacing:.1em;
  display:flex;
  justify-content:space-between;
  margin-bottom:24px;
}
.price-card h3{
  font-size:1.3rem;
  font-family:'IBM Plex Sans', sans-serif;
  font-weight:700;
  margin-bottom:6px;
}
.price-amount{
  font-family:'IBM Plex Mono', monospace;
  font-weight:500;
  font-size:2.5rem;
  margin:14px 0 6px;
  color:var(--ink);
}
.price-amount span{font-size:1rem; color:var(--ink-faint);}
.price-card p.desc{
  color:var(--ink-soft);
  font-size:.9rem;
  flex:1;
  margin:14px 0 22px;
}
.price-card .btn{justify-content:center; width:100%;}

/* ---------- TESTIMONIALS ---------- */
.testi-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.testi-card{
  background:var(--white);
  border:1px solid var(--line);
  padding:34px;
  border-radius:3px;
}
.testi-quote{
  font-family:'Big Shoulders Display', sans-serif;
  font-weight:600;
  font-size:1.32rem;
  line-height:1.28;
  color:var(--ink);
}
.testi-foot{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:24px;
}
.avatar{
  width:42px; height:42px;
  border-radius:50%;
  background:var(--ink);
  color:var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono', monospace;
  font-size:.85rem;
  flex-shrink:0;
}
.testi-foot b{font-size:.95rem;}
.testi-foot span{
  display:block;
  font-size:.82rem;
  color:var(--ink-faint);
  font-family:'IBM Plex Mono', monospace;
}

/* ---------- INSIGHTS ---------- */
.insights-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.insight-card{
  border:1px solid var(--line);
  background:var(--white);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:border-color .2s, transform .2s;
}
.insight-card:hover{border-color:var(--circuit); transform:translateY(-4px);}
.insight-kicker{
  font-family:'IBM Plex Mono', monospace;
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--circuit);
}
.insight-card h3{
  font-size:1.18rem;
  font-family:'IBM Plex Sans', sans-serif;
  font-weight:700;
  line-height:1.3;
}
.insight-link{
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  color:var(--ink);
  display:inline-flex; align-items:center; gap:6px;
}
.insight-link::after{content:"→"; transition:transform .2s;}
.insight-card:hover .insight-link::after{transform:translateX(4px);}

/* ---------- CTA BAND ---------- */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  border-radius:4px;
  padding:64px 56px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:40px;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(233,238,240,.09) 1px, transparent 1px);
  background-size:24px 24px;
}
.cta-band h2{color:var(--paper); font-size:clamp(1.8rem,3vw,2.4rem); max-width:480px;}
.cta-band p{color:rgba(233,238,240,.66); margin-top:10px; max-width:420px;}
.cta-band .btn-primary{
  background:var(--amber);
  color:var(--ink);
  border-color:var(--amber);
}
.cta-band .btn-primary:hover{
  background:var(--paper);
  border-color:var(--paper);
}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line); padding:54px 0 36px;}
.foot-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .8fr .8fr;
  gap:30px;
  padding-bottom:40px;
}
.foot-brand p{
  margin-top:14px;
  color:var(--ink-soft);
  font-size:.9rem;
  max-width:280px;
}
.foot-col h4{
  font-family:'IBM Plex Mono', monospace;
  font-size:.72rem;
  letter-spacing:.1em;
  color:var(--ink-faint);
  margin-bottom:14px;
  text-transform:uppercase;
}
.foot-col a{
  display:block;
  color:var(--ink-soft);
  font-size:.9rem;
  margin-bottom:10px;
  transition:color .2s;
}
.foot-col a:hover{color:var(--ink);}
.foot-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  border-top:1px solid var(--line);
  font-family:'IBM Plex Mono', monospace;
  font-size:.76rem;
  color:var(--ink-faint);
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- REVEAL ---------- */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  .draw, .pop{animation:none !important; stroke-dashoffset:0 !important; opacity:1 !important; transform:none !important;}
  .reveal{opacity:1 !important; transform:none !important; transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ---------- ARTICLE PAGES ---------- */
.breadcrumb{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  color:var(--ink-soft);
  margin-bottom:36px;
  transition:color .2s;
}
.breadcrumb:hover{color:var(--circuit);}
.article-hero{padding:54px 0 0;}
.article-hero .eyebrow{margin-bottom:22px;}
.article-hero h1{
  font-size:clamp(2.1rem, 4.6vw, 3.4rem);
  line-height:1.1;
  max-width:760px;
}
.article-meta{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  margin-top:26px;
  font-family:'IBM Plex Mono', monospace;
  font-size:.78rem;
  color:var(--ink-faint);
  letter-spacing:.04em;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.tag-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:26px;}
.tag{
  font-family:'IBM Plex Mono', monospace;
  font-size:.68rem;
  letter-spacing:.06em;
  padding:5px 10px;
  border:1px solid var(--line-strong);
  color:var(--circuit);
  border-radius:2px;
  text-transform:uppercase;
}
.prose{
  max-width:700px;
  padding:60px 0 20px;
}
.prose h2{
  font-size:1.7rem;
  margin:46px 0 18px;
  line-height:1.18;
}
.prose h2:first-child{margin-top:0;}
.prose p{
  color:var(--ink-soft);
  font-size:1.04rem;
  margin-bottom:20px;
}
.prose p strong{color:var(--ink); font-weight:600;}
.prose ul{
  margin:22px 0 28px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.prose ul li{
  padding-left:24px;
  position:relative;
  color:var(--ink-soft);
  font-size:1.01rem;
}
.prose ul li::before{
  content:"";
  position:absolute; left:0; top:9px;
  width:8px; height:8px;
  border:1.4px solid var(--amber);
  transform:rotate(45deg);
}
.callout{
  margin:32px 0;
  padding:24px 26px;
  background:var(--white);
  border:1px solid var(--line-strong);
  border-left:3px solid var(--circuit);
}
.callout p{
  margin:0;
  color:var(--ink);
  font-size:.98rem;
}
.callout span{
  display:block;
  font-family:'IBM Plex Mono', monospace;
  font-size:.7rem;
  letter-spacing:.1em;
  color:var(--circuit);
  margin-bottom:10px;
  text-transform:uppercase;
}
.article-cta{
  margin-top:50px;
  padding:42px 36px;
  background:var(--ink);
  color:var(--paper);
  border-radius:4px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  flex-wrap:wrap;
}
.article-cta h3{color:var(--paper); font-size:1.5rem;}
.article-cta p{color:rgba(233,238,240,.66); margin-top:6px; font-size:.92rem;}
.article-cta .btn-primary{
  background:var(--amber);
  color:var(--ink);
  border-color:var(--amber);
}
.related-link{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:22px 0;
  border-top:1px solid var(--line);
  margin-top:50px;
  font-family:'IBM Plex Mono', monospace;
  font-size:.8rem;
}
.related-link span:first-child{color:var(--ink-faint);}
.related-link a{color:var(--ink); display:inline-flex; gap:8px; align-items:center;}
.related-link a::after{content:"→"; transition:transform .2s;}
.related-link a:hover::after{transform:translateX(4px);}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;}
  .diagram-wrap{order:-1; max-width:420px;}
  .why-wrap{grid-template-columns:1fr; gap:30px;}
  .modules-grid{grid-template-columns:1fr;}
  .pricing-grid{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
  .insights-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column; align-items:flex-start; text-align:left;}
}
@media (max-width: 760px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:18px 28px;
    gap:16px;
    display:none;
  }
  .nav-links.open{display:flex;}
  .burger{display:flex;}
  .nav-right .btn-ghost{display:none;}
  .section-head{flex-direction:column; align-items:flex-start;}
  .foot-grid{grid-template-columns:1fr;}
}