/*
Theme Name: Knot Labs
Theme URI: https://theknotlabs.com
Author: Knot Labs Inc.
Author URI: https://theknotlabs.com
Description: Custom informative site theme for Knot Labs Inc. — Technology, Diamond and Gaming industries.
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: knotlabs
*/

/* =========================================================
   DESIGN TOKENS
   Knot Labs brand: three industries (Technology / Diamond /
   Gaming) woven into one company — the "knot" motif ties the
   three brand-accent strands together throughout the site.
   ========================================================= */
:root{
  --ink:        #0B0E14;   /* base background */
  --panel:      #131826;   /* card / section background */
  --panel-2:    #1A2033;   /* raised panel */
  --line:       #262E45;   /* hairline borders */
  --paper:      #EDEFF4;   /* primary text on dark */
  --paper-dim:  #9AA3BD;   /* secondary text */

  --tech:       #6FE3FF;   /* Technology strand — facet-ice cyan */
  --diamond:    #E7C88A;   /* Diamond strand — warm alloy gold */
  --gaming:     #8C6BFF;   /* Gaming strand — signal violet */

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius: 14px;
  --container: 1180px;
}

@font-face{ font-family:'Space Grotesk'; src: local('Space Grotesk'); }
@font-face{ font-family:'Inter'; src: local('Inter'); }
@font-face{ font-family:'JetBrains Mono'; src: local('JetBrains Mono'); }

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0 0 .5em; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0 0 1em; color:var(--paper-dim); }

.container{ max-width:var(--container); margin:0 auto; padding:0 28px; }
.eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--tech); display:inline-flex; align-items:center; gap:8px; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:14px; height:1px; background:var(--tech); display:inline-block; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--tech); outline-offset:3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,14,20,.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:18px 28px; }
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-size:19px; font-weight:700; color:var(--paper); }
.brand-knot{ width:26px; height:26px; }
.main-nav ul{ display:flex; gap:34px; }
.main-nav a{
  font-size:14px; color:var(--paper-dim); font-weight:500;
  position:relative; padding:4px 0;
}
.main-nav a:hover{ color:var(--paper); }
.main-nav a.active,
.main-nav .current-menu-item > a{ color:var(--paper); }
.main-nav a.active::after,
.main-nav .current-menu-item > a::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  background:linear-gradient(90deg,var(--tech),var(--diamond),var(--gaming));
}
.nav-toggle{ display:none; background:none; border:1px solid var(--line); color:var(--paper); border-radius:8px; padding:8px 10px; }

@media (max-width: 860px){
  .main-nav{ display:none; position:absolute; top:100%; left:0; right:0; background:var(--panel); border-bottom:1px solid var(--line); }
  .main-nav.open{ display:block; }
  .main-nav ul{ flex-direction:column; padding:18px 28px; gap:18px; }
  .nav-toggle{ display:inline-block; }
}

/* =========================================================
   HERO + KNOT SIGNATURE
   ========================================================= */
.hero{ padding:96px 0 72px; position:relative; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }
.hero h1{ font-size:clamp(34px,5vw,54px); line-height:1.08; margin-bottom:20px; }
.hero h1 .accent{ background:linear-gradient(90deg,var(--tech),var(--diamond),var(--gaming)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-lede{ font-size:17px; max-width:46ch; }
.strand-tags{ display:flex; gap:10px; margin-top:28px; flex-wrap:wrap; }
.strand-tag{
  font-family:var(--font-mono); font-size:12px; padding:8px 12px; border-radius:999px;
  border:1px solid var(--line); color:var(--paper-dim); display:flex; align-items:center; gap:8px;
}
.strand-dot{ width:8px; height:8px; border-radius:50%; }
.strand-tag.t .strand-dot{ background:var(--tech); } 
.strand-tag.d .strand-dot{ background:var(--diamond); }
.strand-tag.g .strand-dot{ background:var(--gaming); }

.knot-visual{ position:relative; }
.knot-visual svg{ width:100%; height:auto; }
.knot-strand{ fill:none; stroke-width:3; stroke-linecap:round; opacity:.9; }
.knot-strand.t{ stroke:var(--tech); }
.knot-strand.d{ stroke:var(--diamond); }
.knot-strand.g{ stroke:var(--gaming); }

.cta-row{ display:flex; gap:14px; margin-top:32px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:13px 22px; border-radius:10px;
  font-weight:600; font-size:14px; border:1px solid transparent; cursor:pointer;
}
.btn-primary{ background:var(--paper); color:var(--ink); }
.btn-primary:hover{ background:var(--tech); }
.btn-ghost{ border-color:var(--line); color:var(--paper); }
.btn-ghost:hover{ border-color:var(--paper-dim); }

/* =========================================================
   SECTIONS
   ========================================================= */
section{ padding:64px 0; }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head h2{ font-size:clamp(26px,3.4vw,36px); }

.industry-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
@media (max-width:860px){ .industry-grid{ grid-template-columns:1fr; } }
.industry-card{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; position:relative; overflow:hidden;
}
.industry-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
}
.industry-card.tech::before{ background:var(--tech); }
.industry-card.diamond::before{ background:var(--diamond); }
.industry-card.gaming::before{ background:var(--gaming); }
.industry-card .tag{ font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--paper-dim); }
.industry-card h3{ font-size:20px; margin:10px 0 10px; }
.industry-card p{ font-size:14px; margin-bottom:0; }

.product-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
@media (max-width:760px){ .product-grid{ grid-template-columns:1fr; } }
.product-card{
  background:var(--panel-2); border:1px solid var(--line); border-radius:var(--radius); padding:26px;
  display:flex; flex-direction:column; gap:10px;
}
.product-card h3{ font-size:18px; }
.product-meta{ font-family:var(--font-mono); font-size:11px; color:var(--paper-dim); text-transform:uppercase; letter-spacing:.08em; }

.stat-strip{ display:flex; gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.stat-strip div{ flex:1; padding:26px; border-left:1px solid var(--line); }
.stat-strip div:first-child{ border-left:none; }
.stat-num{ font-family:var(--font-display); font-size:28px; color:var(--paper); }
.stat-label{ font-family:var(--font-mono); font-size:11px; color:var(--paper-dim); text-transform:uppercase; letter-spacing:.08em; margin-top:6px; }
@media (max-width:760px){ .stat-strip{ flex-direction:column; } .stat-strip div{ border-left:none; border-top:1px solid var(--line); } .stat-strip div:first-child{ border-top:none; } }

/* Contact */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:40px; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{ background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:30px; }
.contact-card h3{ font-size:16px; }
.contact-line{ display:flex; gap:12px; margin-bottom:16px; font-size:14px; color:var(--paper-dim); }
.contact-line strong{ color:var(--paper); display:block; font-size:13px; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.06em; margin-bottom:2px; }

.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-size:13px; margin-bottom:6px; color:var(--paper-dim); }
.form-field input, .form-field textarea{
  width:100%; background:var(--panel-2); border:1px solid var(--line); border-radius:8px;
  padding:12px 14px; color:var(--paper); font-family:var(--font-body); font-size:14px;
}
.form-field textarea{ resize:vertical; min-height:120px; }

/* Legal pages */
.legal-body h2{ font-size:20px; margin-top:36px; }
.legal-body p, .legal-body li{ color:var(--paper-dim); font-size:15px; }
.legal-updated{ font-family:var(--font-mono); font-size:12px; color:var(--paper-dim); margin-bottom:30px; display:block; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ border-top:1px solid var(--line); padding:48px 0 28px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:40px; margin-bottom:36px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-grid h4{ font-size:13px; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.08em; color:var(--paper-dim); margin-bottom:14px; }
.footer-grid ul li{ margin-bottom:10px; font-size:14px; }
.footer-grid ul a:hover{ color:var(--tech); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; padding-top:24px;
  border-top:1px solid var(--line); font-size:12px; color:var(--paper-dim); flex-wrap:wrap; gap:10px;
}
.footer-legal-name{ font-family:var(--font-mono); }