/*
Theme Name: Nuclei
Theme URI: https://nuclei.eu
Author: Nuclei
Author URI: https://nuclei.eu
Description: Custom theme for Nuclei, a cloud consulting company, including the Labs experimentation hub and the Shop.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.6
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nuclei
*/

/* -----------------------------------------------------------
   DESIGN TOKENS
   Signature element: the "nucleus" mark — a core with orbiting
   nodes, echoing the company name. Used as a loading motif,
   section divider and hover state throughout the site.
----------------------------------------------------------- */
:root{
  --ink:        #10203D; /* primary navy - formal */
  --paper:      #F6F4EE; /* warm off-white background */
  --paper-dim:  #EEEBE1;
  --coral:      #FF6B4A; /* playful accent - CTAs */
  --teal:       #1F9E92; /* secondary accent - labs / tech */
  --slate:      #5B6472; /* secondary text */
  --line:       #DCD7C9; /* hairline borders */
  --ink-soft:   rgba(16,32,61,0.7);
  --radius-lg:  28px;
  --radius-md:  16px;
  --radius-sm:  10px;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --maxw: 1180px;
}

/* Labs theme override tokens */
.labs-page{
  --ink: #EDEFF5;
  --paper: #0B1428;
  --paper-dim: #0F1B33;
  --line: #223052;
  --slate: #9AA7C2;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .3s ease,color .3s ease;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; color:var(--slate); }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--coral);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 4px rgba(255,107,74,.18);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:15px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--ink); color:var(--paper); }
.labs-page .btn-primary{ background:var(--coral); color:#0B1428; }
.btn-primary:hover{ box-shadow:0 10px 24px rgba(16,32,61,.25); }
.btn-ghost{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-ghost:hover{ border-color:var(--ink); }
.labs-page .btn-ghost{ color:var(--ink); border-color:var(--line); }

/* -----------------------------------------------------------
   SITE HEADER
----------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,244,238,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.labs-page .site-header{ background:rgba(11,20,40,.86); }
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:78px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:600; font-size:20px; }
.nucleus-mark{ width:28px; height:28px; display:block; }
.nucleus-mark .core{ fill:var(--coral); }
.nucleus-mark .orbit{ fill:none; stroke:var(--ink); stroke-width:1.4; opacity:.55; }
.labs-page .nucleus-mark .orbit{ stroke:var(--paper); }
.nucleus-mark .node{ fill:var(--teal); }

.main-nav ul{ list-style:none; display:flex; gap:34px; margin:0; padding:0; }
.main-nav a{
  font-size:15px; font-weight:500; color:var(--ink);
  position:relative; padding:4px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px;
  background:var(--coral); transition:right .2s ease;
}
.main-nav a:hover::after,
.main-nav a.current::after{ right:0; }
.header-cta{ display:flex; align-items:center; gap:18px; }

/* -----------------------------------------------------------
   HERO (nucleus motif)
----------------------------------------------------------- */
.hero{ position:relative; overflow:hidden; padding:110px 0 90px; }
.hero .container{ display:grid; grid-template-columns:1.1fr .9fr; gap:60px; align-items:center; }
.hero h1{ font-size:clamp(38px,5vw,64px); }
.hero h1 em{ font-style:normal; color:var(--coral); }
.hero .lede{ font-size:19px; max-width:46ch; }
.hero-actions{ display:flex; gap:16px; margin-top:34px; flex-wrap:wrap; }

.orbit-figure{ position:relative; aspect-ratio:1/1; }
.orbit-figure svg{ width:100%; height:100%; }
.orbit-figure .ring{ fill:none; stroke:var(--line); stroke-width:1; }
.orbit-figure .ring.animated{ stroke-dasharray:4 8; animation:spin 40s linear infinite; transform-origin:center; }
.orbit-figure .ring.animated.rev{ animation-direction:reverse; animation-duration:55s; }
.orbit-figure .core{ fill:var(--ink); }
.labs-page .orbit-figure .core{ fill:var(--coral); }
.orbit-figure .node{ fill:var(--coral); }
.orbit-figure .node.teal{ fill:var(--teal); }
@keyframes spin{ to{ transform:rotate(360deg); } }
@media (prefers-reduced-motion:reduce){ .orbit-figure .ring.animated{ animation:none; } }

/* logo strip */
.logo-strip{ padding:34px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.logo-strip .container{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.logo-strip span{ font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--slate); }
.logo-strip .marks{ display:flex; gap:36px; flex-wrap:wrap; opacity:.6; font-weight:600; letter-spacing:.02em; }

/* -----------------------------------------------------------
   SECTIONS
----------------------------------------------------------- */
.section{ padding:100px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px,3.4vw,42px); }

.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-md);
  padding:32px; transition:transform .2s ease, box-shadow .2s ease;
}
.labs-page .card{ background:var(--paper-dim); }
.card:hover{ transform:translateY(-6px); box-shadow:0 20px 40px rgba(16,32,61,.08); }
.card .num{ font-family:var(--font-mono); font-size:13px; color:var(--teal); }
.card h3{ font-size:21px; margin-top:10px; }
.card-icon{ width:44px; height:44px; border-radius:12px; background:var(--paper-dim); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.labs-page .card-icon{ background:#0B1428; }

/* Services list w/ dividers */
.service-row{
  display:grid; grid-template-columns:80px 1fr auto; gap:24px; align-items:center;
  padding:28px 0; border-top:1px solid var(--line);
}
.service-row:last-child{ border-bottom:1px solid var(--line); }
.service-row .idx{ font-family:var(--font-mono); color:var(--coral); font-size:14px; }
.service-row h3{ font-size:22px; margin:0 0 6px; }
.service-row p{ margin:0; }
.service-row .arrow{ font-size:22px; color:var(--slate); transition:transform .2s ease; }
.service-row:hover .arrow{ transform:translateX(6px); color:var(--coral); }

/* Stats */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.stat b{ display:block; font-family:var(--font-display); font-size:44px; color:var(--ink); }
.labs-page .stat b{ color:var(--paper); }
.stat span{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--slate); }

/* Quote / values band */
.band{ background:var(--ink); color:var(--paper); border-radius:var(--radius-lg); padding:64px; }
.band p{ color:rgba(246,244,238,.82); }
.band blockquote{ font-family:var(--font-display); font-size:clamp(22px,2.6vw,32px); margin:0 0 20px; line-height:1.3; }

/* CTA */
.cta{ text-align:center; padding:110px 0; }
.cta h2{ font-size:clamp(30px,4vw,48px); max-width:16ch; margin:0 auto 20px; }
.cta .btn-row{ display:flex; justify-content:center; gap:16px; margin-top:30px; }

/* -----------------------------------------------------------
   LABS PAGE SPECIFIC
----------------------------------------------------------- */
.labs-hero{ padding:100px 0 70px; }
.labs-hero .eyebrow{ color:var(--teal); }
.labs-hero .eyebrow::before{ background:var(--teal); box-shadow:0 0 0 4px rgba(31,158,146,.22); }
.terminal{
  font-family:var(--font-mono); font-size:14px; background:#000;
  border-radius:var(--radius-md); padding:22px 26px; color:#8BE9C6;
  border:1px solid var(--line); overflow-x:auto;
}
.terminal .prompt{ color:var(--coral); }
.terminal .dim{ color:#5B6472; }

.experiment-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.experiment-card{
  border:1px solid var(--line); border-radius:var(--radius-md); padding:28px;
  background:var(--paper-dim);
}
.experiment-card .status{
  display:inline-block; font-family:var(--font-mono); font-size:11px; text-transform:uppercase;
  letter-spacing:.06em; padding:4px 10px; border-radius:999px; margin-bottom:16px;
}
.status.live{ background:rgba(31,158,146,.18); color:var(--teal); }
.status.beta{ background:rgba(255,107,74,.18); color:var(--coral); }
.status.archived{ background:rgba(154,167,194,.15); color:var(--slate); }
.experiment-card h3{ font-size:19px; }
.experiment-card .meta{ font-family:var(--font-mono); font-size:12px; color:var(--slate); margin-top:14px; }

/* -----------------------------------------------------------
   SHOP / WOOCOMMERCE
----------------------------------------------------------- */
.woocommerce ul.products,
.shop-grid{
  display:grid !important;
  grid-template-columns:repeat(3,1fr) !important;
  gap:26px !important;
  list-style:none; margin:0; padding:0;
}
.woocommerce ul.products li.product,
.shop-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-md);
  padding:22px; text-align:left !important; transition:transform .2s ease;
}
.woocommerce ul.products li.product:hover,
.shop-card:hover{ transform:translateY(-6px); }
.woocommerce ul.products li.product img,
.shop-card img{ border-radius:var(--radius-sm); margin-bottom:16px; aspect-ratio:1/1; object-fit:cover; background:var(--paper-dim); }
.woocommerce ul.products li.product .price,
.shop-card .price{ font-family:var(--font-mono); color:var(--coral); font-weight:600; }
.woocommerce a.button, .woocommerce button.button,
.shop-card .btn{ margin-top:14px; }
.woocommerce span.onsale{
  background:var(--coral) !important; border-radius:999px !important; font-family:var(--font-mono); font-size:11px !important;
}
.shop-hero{ padding:90px 0 50px; }
.shop-tag{ font-family:var(--font-mono); font-size:12px; color:var(--teal); text-transform:uppercase; letter-spacing:.06em; }

/* -----------------------------------------------------------
   FOOTER
----------------------------------------------------------- */
.site-footer{ background:var(--ink); color:rgba(246,244,238,.72); padding:80px 0 34px; margin-top:60px; }
.site-footer a{ color:rgba(246,244,238,.92); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid rgba(246,244,238,.14); }
.footer-grid h4{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:rgba(246,244,238,.5); margin-bottom:18px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; font-size:14px; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; font-size:13px; color:rgba(246,244,238,.5); flex-wrap:wrap; gap:12px; }

/* -----------------------------------------------------------
   RESPONSIVE
----------------------------------------------------------- */
@media (max-width:960px){
  .hero .container{ grid-template-columns:1fr; }
  .orbit-figure{ max-width:340px; margin:0 auto; }
  .grid-3, .grid-4, .experiment-grid, .stats, .footer-grid{ grid-template-columns:repeat(2,1fr); }
  .woocommerce ul.products, .shop-grid{ grid-template-columns:repeat(2,1fr) !important; }
  .band{ padding:40px; }
}
@media (max-width:640px){
  .main-nav{ display:none; }
  .container{ padding:0 20px; }
  .grid-3, .grid-4, .experiment-grid, .stats, .footer-grid{ grid-template-columns:1fr; }
  .woocommerce ul.products, .shop-grid{ grid-template-columns:1fr !important; }
  .service-row{ grid-template-columns:1fr; gap:8px; }
  .section{ padding:64px 0; }
}

/* Focus states */
a:focus-visible, button:focus-visible{ outline:2px solid var(--coral); outline-offset:3px; }