/* =========================================================
   COLVIRAL — design tokens
   ========================================================= */
:root{
  --bg:        #F7F5F0;
  --surface:   #FFFFFF;
  --ink:       #14171F;
  --muted:     #6B6F76;
  --line:      #E4E0D6;
  --indigo:    #3B2F8F;
  --indigo-deep:#241F5E;
  --lime:      #C7F53B;
  --lime-deep: #9FCC12;
  --coral:     #FF5A4E;
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 1px 2px rgba(20,23,31,.04), 0 8px 24px rgba(20,23,31,.06);
  --maxw:      1180px;
  --ff-display:'Space Grotesk', sans-serif;
  --ff-body:   'Inter', sans-serif;
  --ff-mono:   'JetBrains Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--ff-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--ff-display);margin:0;letter-spacing:-0.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
.mono{font-family:var(--ff-mono);}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--indigo);
}
.muted{color:var(--muted);}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--indigo);
  outline-offset:2px;
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important;}
}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(247,245,240,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
}
.logo{
  font-family:var(--ff-display);
  font-weight:700; font-size:20px;
  display:flex; align-items:center; gap:8px;
}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--lime);border:2px solid var(--indigo);}

.toolbelt{
  display:flex; gap:4px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px;
}
.toolbelt a{
  font-size:13px; font-weight:600;
  padding:8px 14px; border-radius:999px;
  color:var(--muted);
  transition:background .15s ease, color .15s ease;
  white-space:nowrap;
}
.toolbelt a:hover{color:var(--ink);}
.toolbelt a.active{background:var(--indigo); color:#fff;}

.nav-cta{
  display:flex; align-items:center; gap:10px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-weight:700; font-size:14px;
  padding:11px 20px; border-radius:999px;
  border:1px solid transparent;
  transition:transform .12s ease, box-shadow .12s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-lime{background:var(--lime); color:var(--indigo-deep);}
.btn-lime:hover{box-shadow:0 6px 20px rgba(199,245,59,.45);}
.btn-ghost{border-color:var(--line); color:var(--ink); background:transparent;}
.btn-ghost:hover{border-color:var(--indigo);}
.btn-indigo{background:var(--indigo); color:#fff;}
.btn-indigo:hover{box-shadow:0 6px 20px rgba(59,47,143,.35);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5; cursor:not-allowed; transform:none;}

.nav-toggle{display:none; background:none; border:none; padding:8px;}
.nav-toggle svg{width:24px;height:24px;}

@media (max-width:880px){
  .toolbelt{display:none;}
  .nav-toggle{display:block;}
}

/* =========================================================
   HERO / TRANSFORM DEMO (signature element)
   ========================================================= */
.hero{
  padding:72px 0 40px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;
}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr; gap:40px;} }

.hero h1{
  font-size:clamp(34px,5vw,58px);
  line-height:1.04;
  margin:14px 0 18px;
}
.hero h1 em{
  font-style:normal; color:var(--indigo);
  background:linear-gradient(transparent 62%, var(--lime) 62%);
}
.hero-sub{font-size:17px; color:var(--muted); max-width:46ch; margin-bottom:28px;}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:20px;}
.hero-stats{display:flex; gap:28px; margin-top:28px; flex-wrap:wrap;}
.hero-stats div b{display:block; font-family:var(--ff-mono); font-size:22px;}
.hero-stats div span{font-size:12px; color:var(--muted);}

/* the transform card */
.transform-card{
  background:var(--indigo-deep);
  border-radius:20px;
  padding:26px;
  color:#fff;
  box-shadow:var(--shadow);
  position:relative;
}
.transform-card .label{
  font-family:var(--ff-mono); font-size:11px; letter-spacing:.1em;
  text-transform:uppercase; color:#B9AEF2; margin-bottom:10px; display:block;
}
.transform-input{
  display:flex; gap:8px; background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18); border-radius:12px; padding:6px;
  margin-bottom:18px;
}
.transform-input input{
  flex:1; background:none; border:none; color:#fff; font-family:var(--ff-mono);
  font-size:13px; padding:10px 12px; outline:none;
}
.transform-input input::placeholder{color:#8E86BE;}
.transform-input button{
  background:var(--lime); color:var(--indigo-deep); border:none;
  border-radius:8px; padding:0 16px; font-weight:700; font-size:13px;
}
.transform-outputs{display:grid; grid-template-columns:1fr auto; gap:14px; align-items:center;}
.transform-outputs.hidden-init .out-item{opacity:0; transform:translateY(6px);}
.out-item{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14);
  border-radius:12px; padding:14px; transition:opacity .4s ease, transform .4s ease;
}
.out-item small{display:block; color:#B9AEF2; font-size:11px; margin-bottom:6px; font-family:var(--ff-mono);}
.out-item .val{font-family:var(--ff-mono); font-size:14px; word-break:break-all;}
#qr-preview{width:76px; height:76px; background:#fff; border-radius:8px; display:flex; align-items:center; justify-content:center;}
#qr-preview svg, #qr-preview canvas, #qr-preview img{width:100%; height:100%;}

/* =========================================================
   TOOLS GRID
   ========================================================= */
.section{padding:64px 0;}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:32px; flex-wrap:wrap;}
.section-head h2{font-size:clamp(26px,3vw,36px);}

.tools-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(260px,1fr)); gap:16px;
}
.tool-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; transition:border-color .15s ease, transform .15s ease;
  display:flex; flex-direction:column; gap:10px; min-height:170px;
}
.tool-card:hover{border-color:var(--indigo); transform:translateY(-2px);}
.tool-icon{
  width:38px; height:38px; border-radius:10px; background:var(--bg);
  display:flex; align-items:center; justify-content:center; color:var(--indigo);
  border:1px solid var(--line);
}
.tool-card h3{font-size:16px;}
.tool-card p{font-size:13.5px; color:var(--muted); flex:1;}
.tool-tag{
  align-self:flex-start; font-family:var(--ff-mono); font-size:10.5px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--indigo);
  background:#EFEBFB; padding:3px 8px; border-radius:6px;
}
.tool-tag.soon{color:var(--muted); background:var(--bg);}

/* =========================================================
   HOW IT WORKS
   ========================================================= */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
@media (max-width:800px){.steps{grid-template-columns:1fr;}}
.step{border-left:2px solid var(--line); padding-left:18px;}
.step .num{font-family:var(--ff-mono); color:var(--indigo); font-size:13px;}
.step h3{margin:8px 0 6px; font-size:18px;}
.step p{color:var(--muted); font-size:14px;}

/* =========================================================
   PREMIUM STRIP
   ========================================================= */
.premium-strip{
  background:var(--indigo); color:#fff; border-radius:20px;
  padding:44px; display:flex; justify-content:space-between; align-items:center;
  gap:24px; flex-wrap:wrap;
}
.premium-strip h2{font-size:28px; margin-bottom:8px;}
.premium-strip p{color:#CBC3F0; max-width:44ch;}

/* =========================================================
   BLOG
   ========================================================= */
.post-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px;}
.post-card{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:22px; display:flex; flex-direction:column; gap:10px;}
.post-card .pillar{font-family:var(--ff-mono); font-size:11px; color:var(--indigo); text-transform:uppercase;}
.post-card h3{font-size:17px; line-height:1.3;}
.post-card p{font-size:13.5px; color:var(--muted);}
.post-card .read{font-size:13px; font-weight:700; color:var(--indigo); margin-top:auto;}

/* =========================================================
   TOOL PAGE (shared shell)
   ========================================================= */
.tool-hero{padding:56px 0 20px;}
.tool-hero .eyebrow{margin-bottom:10px;}
.tool-hero h1{font-size:clamp(28px,4vw,42px); margin-bottom:12px;}
.tool-hero p{color:var(--muted); max-width:60ch; font-size:16px;}

.tool-app{
  background:var(--surface); border:1px solid var(--line); border-radius:20px;
  padding:32px; box-shadow:var(--shadow); margin:32px 0;
}
.field-row{display:flex; gap:10px; flex-wrap:wrap;}
.field-row input[type=text], .field-row input[type=url]{
  flex:1; min-width:220px; padding:14px 16px; border-radius:12px;
  border:1px solid var(--line); font-family:var(--ff-mono); font-size:14px;
  background:var(--bg);
}
.field-row input:focus{border-color:var(--indigo); background:#fff;}
.opt-row{display:flex; gap:10px; margin-top:14px; flex-wrap:wrap;}
.opt-row select, .opt-row label{
  font-size:13px; padding:8px 12px; border-radius:8px; border:1px solid var(--line);
  background:var(--bg); display:flex; align-items:center; gap:6px;
}
.result-box{
  margin-top:20px; border-top:1px dashed var(--line); padding-top:20px;
  display:none;
}
.result-box.show{display:block;}
.result-row{display:flex; align-items:center; gap:12px; background:var(--bg); border:1px solid var(--line); border-radius:12px; padding:14px 16px; flex-wrap:wrap;}
.result-row .val{font-family:var(--ff-mono); font-size:14px; flex:1; word-break:break-all;}
.badge-info{
  display:flex; gap:10px; align-items:flex-start; font-size:13px; color:var(--muted);
  background:#FBF6E9; border:1px solid #EFE2B8; padding:12px 14px; border-radius:12px; margin-top:18px;
}

/* toast */
.toast{
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--ink); color:#fff; padding:12px 18px; border-radius:10px; font-size:13px;
  opacity:0; pointer-events:none; transition:opacity .2s ease, transform .2s ease; z-index:100;
}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0);}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{border-top:1px solid var(--line); padding:48px 0 28px; margin-top:60px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{font-size:13px; margin-bottom:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.06em;}
.footer-grid ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:9px;}
.footer-grid a{font-size:14px; color:var(--ink);}
.footer-grid a:hover{color:var(--indigo);}
.footer-bottom{
  display:flex; justify-content:space-between; margin-top:36px; padding-top:20px;
  border-top:1px solid var(--line); font-size:12.5px; color:var(--muted); flex-wrap:wrap; gap:10px;
}