/*
 Theme Name: Ceratech
 Theme URI: https://workbuddy.ai
 Description: Lightweight industrial-editorial WordPress theme for precision ceramic component platforms. Pairs with the Ceramic RFQ plugin.
 Version: 1.0.0
 Author: WorkBuddy
 Author URI: https://workbuddy.ai
 Requires at least: 6.0
 Tested up to: 6.5
 Requires PHP: 7.4
 License: GPL v2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 Text Domain: ceratech
 Tags: custom-colors, custom-logo, editor-style, translation-ready, blog, portfolio
*/

/* =====================================================================
   Precision Materials — Industrial Editorial Design System
   Precision Ceramic Components Platform (WorkBuddy build)
   ===================================================================== */

:root {
  /* Color tokens */
  --c-ink:        #16202e;   /* deep graphite text */
  --c-ink-soft:   #3a4658;
  --c-muted:      #6b7686;   /* neutral grey text */
  --c-bg:         #f6f4ef;   /* warm off-white */
  --c-bg-alt:     #ece8e0;   /* warm grey-white */
  --c-navy:       #0e1f33;   /* deep sea navy */
  --c-navy-2:     #142a45;
  --c-navy-3:     #1d3a5c;
  --c-line:       #d9d3c7;
  --c-line-dark:  #28415f;
  --c-accent:     #1f8fb8;   /* precision industrial cyan-blue */
  --c-accent-2:   #2ea3cf;
  --c-metal:      #9aa6b2;   /* restrained metal grey */
  --c-on-navy:    #e8eef5;
  --c-on-navy-mut:#9fb2c6;
  --c-danger:     #c0492f;
  --c-ok:         #2f7d52;

  /* Type */
  --font-sans: "Inter", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Roboto Mono", Menlo, Consolas, monospace;

  /* Spacing scale */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px;

  /* Layout */
  --maxw: 1200px;
  --maxw-narrow: 860px;
  --radius: 4px;
  --radius-lg: 8px;

  /* Shadow */
  --sh-1: 0 1px 2px rgba(20,32,46,.06), 0 4px 16px rgba(20,32,46,.06);
  --sh-2: 0 8px 30px rgba(14,31,51,.12);

  --ease: cubic-bezier(.2,.6,.2,1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 var(--s-4); line-height: 1.15; letter-spacing: -.01em; font-weight: 700; }
p { margin: 0 0 var(--s-4); }
ul { margin: 0 0 var(--s-4); padding-left: 1.2em; }
li { margin: .35em 0; }

/* ---------- layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--s-5); }
.container.narrow { max-width: var(--maxw-narrow); }
.section { padding: var(--s-9) 0; }
.section.sm { padding: var(--s-8) 0; }
.section.tight { padding: var(--s-7) 0; }
.bg-navy { background: var(--c-navy); color: var(--c-on-navy); }
.bg-navy .lead, .bg-navy p { color: var(--c-on-navy-mut); }
.bg-alt { background: var(--c-bg-alt); }
.bg-white { background: #fff; }
.center { text-align: center; }

.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--c-accent); margin-bottom: var(--s-3);
}
.bg-navy .eyebrow { color: var(--c-accent-2); }
.section-title { font-size: clamp(26px, 3.4vw, 40px); }
.lead { font-size: 18px; color: var(--c-muted); max-width: 62ch; }
.divider { height: 1px; background: var(--c-line); border: 0; margin: 0; }
.bg-navy .divider { background: var(--c-line-dark); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: inherit; font-weight: 600; font-size: 15px;
  padding: 13px 26px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer;
  transition: all .22s var(--ease); white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.btn-primary:hover { background: #1a7c9e; border-color: #1a7c9e; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--c-ink); border-color: var(--c-line); }
.btn-ghost:hover { border-color: var(--c-ink); }
.bg-navy .btn-ghost { color: var(--c-on-navy); border-color: var(--c-line-dark); }
.bg-navy .btn-ghost:hover { border-color: var(--c-on-navy); }
.btn-light { background: #fff; color: var(--c-navy); border-color: #fff; }
.btn-light:hover { background: #eef3f8; }
.btn-arrow::after { content: "→"; margin-left: 2px; transition: transform .2s var(--ease); }
.btn-arrow:hover::after { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14,31,51,.0);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .04em; font-size: 19px; color: var(--c-ink); }
.brand .mark { width: 26px; height: 26px; }
.nav { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav > li { position: relative; list-style: none; }
.nav > li > a {
  display: flex; align-items: center; height: 70px; padding: 0 14px;
  font-size: 14.5px; font-weight: 600; color: var(--c-ink-soft);
  border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.nav > li > a:hover { color: var(--c-accent); border-bottom-color: var(--c-accent); }
.nav .has-mega:hover .mega { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.mega {
  position: absolute; top: 70px; left: 50%; transform: translate(-50%, 8px);
  width: 540px; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); box-shadow: var(--sh-2); padding: var(--s-5);
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2) var(--s-5);
  opacity: 0; visibility: hidden; transition: all .22s var(--ease); z-index: 60;
}
.mega a { display: block; padding: 9px 10px; border-radius: var(--radius); font-size: 14px; font-weight: 600; color: var(--c-ink-soft); }
.mega a small { display: block; font-weight: 400; color: var(--c-muted); font-size: 12.5px; }
.mega a:hover { background: var(--c-bg-alt); color: var(--c-accent); }
.nav-cta { margin-left: var(--s-3); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--c-ink); margin: 5px 0; transition: .25s var(--ease); }

/* scrolled state */
.site-header.scrolled { background: rgba(246,244,239,.96); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--c-line); }
.site-header.scrolled .brand, .site-header.scrolled .nav > li > a { color: var(--c-ink); }
/* Transparent header on dark hero pages -> light text */
.site-header.on-dark:not(.scrolled) .brand,
.site-header.on-dark:not(.scrolled) .nav > li > a { color: var(--c-on-navy); }
.site-header.on-dark:not(.scrolled) .nav-toggle span { background: var(--c-on-navy); }

/* ---------- hero ---------- */
.hero { position: relative; background: var(--c-navy); color: var(--c-on-navy); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(31,143,184,.20), transparent 60%),
    radial-gradient(800px 400px at 10% 110%, rgba(31,143,184,.10), transparent 55%);
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s-7); align-items: center; padding: var(--s-9) var(--s-5); min-height: 560px; }
.hero h1 { font-size: clamp(34px, 5vw, 60px); color: #fff; letter-spacing: -.02em; }
.hero .lead { color: var(--c-on-navy-mut); font-size: 19px; max-width: 50ch; margin: var(--s-5) 0 var(--s-6); }
.hero-visual { position: relative; }
.hero-visual svg { width: 100%; height: auto; filter: drop-shadow(0 20px 50px rgba(0,0,0,.35)); }

/* ---------- breadcrumb ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--c-muted); padding: var(--s-5) 0 0; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb .sep { color: var(--c-line); }
.bg-navy .breadcrumb { color: var(--c-on-navy-mut); }
.bg-navy .breadcrumb .sep { color: var(--c-line-dark); }

/* ---------- page hero (interior) ---------- */
.page-hero { background: var(--c-navy); color: var(--c-on-navy); padding: var(--s-8) 0 var(--s-7); }
.page-hero h1 { color: #fff; font-size: clamp(30px, 4vw, 46px); }
.page-hero .lead { color: var(--c-on-navy-mut); }

/* ---------- product showcase (varied grid) ---------- */
.showcase { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--s-4); }
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--c-accent); }
.card .thumb { background: var(--c-navy); aspect-ratio: 4/3; display: grid; place-items: center; padding: var(--s-5); }
.card .thumb svg { width: 100%; height: 100%; }
.card .body { padding: var(--s-5); display: flex; flex-direction: column; gap: var(--s-2); flex: 1; }
.card .kicker { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--c-accent); }
.card h3 { font-size: 19px; margin: 0; }
.card p { font-size: 14px; color: var(--c-muted); margin: 0; }
.card .more { margin-top: auto; font-weight: 600; font-size: 14px; color: var(--c-accent); display: inline-flex; gap: 6px; align-items: center; }
.card.feature { grid-column: span 3; }
.card.feature .thumb { aspect-ratio: 16/9; }
.card.tall { grid-column: span 2; }
.card.std { grid-column: span 2; }
@media (max-width: 900px){ .showcase { grid-template-columns: repeat(2,1fr);} .card.feature,.card.tall,.card.std{grid-column:span 1;} }

/* Compact product showcase on the home page — uniform 4-col grid, smaller cards */
.showcase.compact { grid-template-columns: repeat(4, 1fr); gap: var(--s-3); }
.showcase.compact .card.feature, .showcase.compact .card.tall, .showcase.compact .card.std { grid-column: span 1; }
.showcase.compact .card.feature .thumb { aspect-ratio: 4/3; }
.showcase.compact .card .thumb { padding: var(--s-4); }
.showcase.compact .card .body { padding: var(--s-4); gap: var(--s-1); }
.showcase.compact .card h3 { font-size: 16px; }
.showcase.compact .card p { font-size: 13px; }
.showcase.compact .card .more { font-size: 13px; }
@media (max-width: 900px){ .showcase.compact { grid-template-columns: repeat(2,1fr); } }

/* ---------- material blocks ---------- */
.mat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-5); }
.mat-card { border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; display: grid; grid-template-columns: 120px 1fr; }
.mat-card .swatch { background: var(--c-navy); display: grid; place-items: center; padding: var(--s-4); }
.mat-card .swatch span { font-size: 13px; font-weight: 700; color: #fff; text-align: center; }
.mat-card .body { padding: var(--s-5); }
.mat-card h3 { font-size: 20px; margin: 0 0 6px; }
.mat-card p { font-size: 14px; color: var(--c-muted); margin: 0 0 var(--s-3); }
.mat-card .tags { display: flex; flex-wrap: wrap; gap: 6px; }
@media (max-width: 760px){ .mat-grid{grid-template-columns:1fr;} .mat-card{grid-template-columns:1fr;} .mat-card .swatch{padding:var(--s-5);} }

/* ---------- application feature (alternating) ---------- */
.app-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-7); align-items: center; padding: var(--s-7) 0; border-bottom: 1px solid var(--c-line); }
.app-row:last-child { border-bottom: 0; }
.app-row:nth-child(even) .app-media { order: 2; }
.app-media { background: var(--c-navy); border-radius: var(--radius-lg); aspect-ratio: 4/3; display: grid; place-items: center; padding: var(--s-6); }
.app-media svg { width: 100%; height: 100%; }
.app-text .num { font-family: var(--font-mono); font-size: 13px; color: var(--c-accent); font-weight: 700; letter-spacing: .1em; }
.app-text h3 { font-size: 26px; margin: var(--s-2) 0 var(--s-3); }
.app-text ul { color: var(--c-muted); font-size: 15px; }
@media (max-width: 820px){ .app-row{grid-template-columns:1fr; gap:var(--s-5);} .app-row:nth-child(even) .app-media{order:0;} }

/* Compact application grid on the home page — 4-col cards instead of tall stacked rows */
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); }
.app-card { display: flex; flex-direction: column; gap: var(--s-2); background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: var(--s-4); text-decoration: none; color: var(--c-ink); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.app-card:hover { transform: translateY(-4px); border-color: var(--c-accent); box-shadow: var(--sh-2); }
.app-card .num { font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--c-accent); }
.app-card .app-media { background: var(--c-navy); border-radius: var(--radius); aspect-ratio: 4/3; display: grid; place-items: center; padding: var(--s-4); }
.app-card .app-media svg { width: 100%; height: 100%; }
.app-card h3 { font-size: 16px; margin: 0; line-height: 1.25; }
.app-card p { font-size: 13px; color: var(--c-muted); margin: 0; }
.app-card .more { margin-top: auto; font-weight: 600; font-size: 13px; color: var(--c-accent); }
@media (max-width: 900px){ .app-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- technical process (timeline) ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--s-4); counter-reset: step; }
.step { position: relative; padding-top: var(--s-6); }
.step::before { counter-increment: step; content: "0" counter(step); position: absolute; top: 0; left: 0; font-family: var(--font-mono); font-size: 14px; font-weight: 700; color: var(--c-accent-2); }
.step::after { content: ""; position: absolute; top: 11px; left: 36px; right: -10px; height: 2px; background: var(--c-line-dark); }
.step:last-child::after { display: none; }
.step h4 { font-size: 16px; margin-bottom: 6px; color: #fff; }
.step p { font-size: 13.5px; color: var(--c-on-navy-mut); margin: 0; }
@media (max-width: 880px){ .process{grid-template-columns:1fr 1fr;} .step::after{display:none;} }
@media (max-width: 520px){ .process{grid-template-columns:1fr;} }

/* ---------- evidence / trust ---------- */
.evidence-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s-4); }
.evidence { border: 1px solid var(--c-line-dark); border-radius: var(--radius); padding: var(--s-5); background: rgba(255,255,255,.02); }
.evidence h4 { font-size: 16px; color: #fff; margin-bottom: 6px; }
.evidence p { font-size: 14px; color: var(--c-on-navy-mut); margin: 0; }
.evidence .status { display: inline-block; margin-top: var(--s-3); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 9px; border-radius: 99px; }
.status.pending { background: rgba(31,143,184,.18); color: var(--c-accent-2); }
.status.ok { background: rgba(47,125,82,.22); color: #6fd39a; }
@media (max-width: 820px){ .evidence-grid{grid-template-columns:1fr;} }

/* ---------- CTA section ---------- */
.cta-band { background: var(--c-accent); color: #fff; border-radius: var(--radius-lg); padding: var(--s-8); text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(26px,3.4vw,38px); }
.cta-band p { color: rgba(255,255,255,.9); max-width: 56ch; margin: var(--s-3) auto var(--s-5); }

/* ---------- forms ---------- */
.field { margin-bottom: var(--s-4); }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--c-ink-soft); }
.field label .req { color: var(--c-danger); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; padding: 11px 13px;
  border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; color: var(--c-ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(31,143,184,.15); }
.field textarea { min-height: 110px; resize: vertical; }
.field .hint { font-size: 12.5px; color: var(--c-muted); margin-top: 5px; }
.field .err { font-size: 12.5px; color: var(--c-danger); margin-top: 5px; display: none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--c-danger); }
.field.invalid .err { display: block; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--s-5); }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px){ .form-grid{grid-template-columns:1fr;} }
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 14px; margin-bottom: var(--s-4); }
.alert.ok { background: rgba(47,125,82,.12); color: var(--c-ok); border: 1px solid rgba(47,125,82,.3); }
.alert.err { background: rgba(192,73,47,.1); color: var(--c-danger); border: 1px solid rgba(192,73,47,.3); }
.honeypot { position: absolute; left: -9999px; height: 0; overflow: hidden; }

/* ---------- project builder ---------- */
.pb { display: grid; grid-template-columns: 280px 1fr; gap: var(--s-7); align-items: start; }
.pb-steps { position: sticky; top: 90px; }
.pb-step-item { display: flex; gap: 12px; padding: 12px 0; border-left: 2px solid var(--c-line); padding-left: var(--s-4); color: var(--c-muted); font-size: 14px; font-weight: 600; }
.pb-step-item .dot { width: 24px; height: 24px; border-radius: 50%; background: var(--c-bg-alt); display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--c-muted); flex-shrink: 0; margin-left: -34px; border: 2px solid var(--c-bg); }
.pb-step-item.active { color: var(--c-ink); border-left-color: var(--c-accent); }
.pb-step-item.active .dot { background: var(--c-accent); color: #fff; }
.pb-step-item.done .dot { background: var(--c-ok); color: #fff; }
.pb-step-item.done { color: var(--c-ink-soft); }
.pb-panel { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: var(--s-6); min-height: 420px; }
.pb-panel h2 { font-size: 24px; }
.pb-panel .step-sub { color: var(--c-muted); margin-bottom: var(--s-5); }
.pb-options { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-3); }
.opt { border: 1px solid var(--c-line); border-radius: var(--radius); padding: 14px 16px; cursor: pointer; transition: all .18s var(--ease); display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14.5px; }
.opt:hover { border-color: var(--c-accent); }
.opt.selected { border-color: var(--c-accent); background: rgba(31,143,184,.07); box-shadow: inset 0 0 0 1px var(--c-accent); }
.opt .box { width: 18px; height: 18px; border: 2px solid var(--c-line); border-radius: 4px; flex-shrink: 0; }
.opt.single.selected .box { border-radius: 50%; }
.opt.selected .box { background: var(--c-accent); border-color: var(--c-accent); position: relative; }
.opt.selected .box::after { content: "✓"; color: #fff; font-size: 12px; position: absolute; inset: 0; display: grid; place-items: center; }
.pb-foot { display: flex; justify-content: space-between; margin-top: var(--s-6); padding-top: var(--s-5); border-top: 1px solid var(--c-line); }
.pb-progress { height: 4px; background: var(--c-line); border-radius: 99px; overflow: hidden; margin-bottom: var(--s-5); }
.pb-progress > span { display: block; height: 100%; width: 0; background: var(--c-accent); transition: width .3s var(--ease); }
.summary-list { list-style: none; padding: 0; margin: 0; }
.summary-list li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--c-line); font-size: 14.5px; }
.summary-list li span:first-child { color: var(--c-muted); font-weight: 600; flex-shrink: 0; }
.summary-list li span:last-child { text-align: right; }
.summary-block { background: var(--c-bg-alt); border-radius: var(--radius); padding: var(--s-4) var(--s-5); margin-bottom: var(--s-3); }
.summary-block h4 { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--c-muted); margin: 0 0 8px; }
@media (max-width: 860px){ .pb{grid-template-columns:1fr;} .pb-steps{position:static;} .pb-options{grid-template-columns:1fr;} }

/* ---------- resources list ---------- */
.res-list { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-4); }
.res-item { border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: var(--s-5); background: #fff; transition: border-color .2s, transform .2s; }
.res-item:hover { border-color: var(--c-accent); transform: translateY(-3px); }
.res-item .cat { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--c-accent); }
.res-item h3 { font-size: 18px; margin: var(--s-2) 0 var(--s-2); }
.res-item p { font-size: 14px; color: var(--c-muted); margin: 0; }
@media (max-width: 700px){ .res-list{grid-template-columns:1fr;} }

/* ---- blog / insights ---- */
.post-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-4); }
.post-card { border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: var(--s-5); background: #fff; transition: border-color .2s, transform .2s; display:flex; flex-direction:column; }
.post-card:hover { border-color: var(--c-accent); transform: translateY(-3px); }
.post-card .post-cat { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--c-accent); }
.post-card h3 { font-size: 20px; line-height: 1.3; margin: var(--s-2) 0 var(--s-3); }
.post-card p { font-size: 14.5px; color: var(--c-muted); margin: 0 0 var(--s-4); flex: 1; }
.post-card .post-meta { font-size: 12.5px; color: var(--c-muted); display: flex; gap: var(--s-3); }
.post-head { border-bottom: 1px solid var(--c-line); padding-bottom: var(--s-5); margin-bottom: var(--s-5); }
.post-head h1 { margin: var(--s-2) 0 var(--s-3); }
.article { font-size: 16.5px; line-height: 1.8; color: var(--c-ink); }
.article h2 { font-size: 23px; margin: var(--s-6) 0 var(--s-3); }
.article p { margin: 0 0 var(--s-4); }
.article ul { margin: 0 0 var(--s-4); padding-left: var(--s-5); }
.article li { margin-bottom: var(--s-2); color: var(--c-muted); }
.post-related { margin-top: var(--s-8); border-top: 1px solid var(--c-line); padding-top: var(--s-6); }
.post-related h2 { font-size: 20px; margin-bottom: var(--s-2); }
@media (max-width: 700px){ .post-grid{grid-template-columns:1fr;} }

/* ---------- detail hero (product/material detail) ---------- */
.detail-hero { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--s-7); align-items: center; }
.detail-hero .visual { background: var(--c-navy); border-radius: var(--radius-lg); aspect-ratio: 1/1; display: grid; place-items: center; padding: var(--s-7); }
.detail-hero .visual svg { width: 100%; height: 100%; }
.detail-hero h1 { font-size: clamp(28px,3.6vw,42px); }
@media (max-width: 820px){ .detail-hero{grid-template-columns:1fr;} }

.detail-meta { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-4); margin: var(--s-5) 0; }
.meta-box { border: 1px solid var(--c-line); border-radius: var(--radius); padding: var(--s-4) var(--s-5); }
.meta-box h5 { margin: 0 0 6px; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--c-muted); }
.meta-box p { margin: 0; font-size: 14.5px; }

.related { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s-4); }
.related h2 { font-size: 22px; margin-bottom: var(--s-4); grid-column: 1 / -1; }
@media (max-width: 760px){ .related{grid-template-columns:1fr;} .detail-meta{grid-template-columns:1fr;} }

.param-table { width: 100%; border-collapse: collapse; margin: var(--s-4) 0; font-size: 14.5px; }
.param-table th, .param-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.param-table th { color: var(--c-muted); font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; font-weight: 700; background: var(--c-bg-alt); }
.param-table tr:hover td { background: #fff; }

.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 99px; background: rgba(31,143,184,.12); color: var(--c-accent); margin: 2px 4px 2px 0; }
.badge:hover { background: rgba(31,143,184,.2); }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin: var(--s-3) 0; }

/* capability / quality lists */
.cap-list { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-4); }
.cap { border: 1px solid var(--c-line); border-left: 3px solid var(--c-accent); border-radius: var(--radius); padding: var(--s-5); background: #fff; }
.cap h4 { margin: 0 0 6px; font-size: 17px; }
.cap p { font-size: 14px; color: var(--c-muted); margin: 0; }
.cap .status { display: inline-block; margin-top: var(--s-3); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 9px; border-radius: 99px; }
@media (max-width: 760px){ .cap-list{grid-template-columns:1fr;} }

/* ---------- entry content (post body) ---------- */
.entry-content { font-size: 16.5px; line-height: 1.8; }
.entry-content h2 { font-size: 24px; margin: var(--s-6) 0 var(--s-3); }
.entry-content h3 { font-size: 20px; }
.entry-content img { border-radius: var(--radius); height: auto; }

/* ---------- footer ---------- */
.site-footer { background: var(--c-navy); color: var(--c-on-navy-mut); padding: var(--s-8) 0 var(--s-6); margin-top: var(--s-9); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s-6); }
.footer-grid h5 { color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--s-4); }
.footer-grid a { display: block; padding: 5px 0; font-size: 14px; color: var(--c-on-navy-mut); }
.footer-grid a:hover { color: #fff; }
.footer-brand .brand { color: #fff; margin-bottom: var(--s-3); }
.footer-brand .brand .mark circle { stroke: var(--c-accent-2); }
.footer-brand p { font-size: 14px; max-width: 34ch; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-3); margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1px solid var(--c-line-dark); font-size: 13px; }
.footer-bottom a { color: var(--c-on-navy-mut); }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 820px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width: 520px){ .footer-grid{grid-template-columns:1fr;} }

/* ---------- reveal animation (JS-gated so content stays visible without JS) ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; }
}

/* ---------- mobile nav ---------- */
@media (max-width: 1024px){
  .nav, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav.open {
    display: block; position: absolute; top: 70px; left: 0; right: 0;
    background: var(--c-bg); border-top: 1px solid var(--c-line); padding: var(--s-3) var(--s-5) var(--s-5);
    box-shadow: var(--sh-2);
  }
  .nav.open > li > a { height: auto; padding: 12px 4px; border-bottom: 1px solid var(--c-line); }
  .nav.open .mega { position: static; transform: none; opacity: 1; visibility: visible; width: auto; box-shadow: none; border: 0; grid-template-columns: 1fr; padding: var(--s-2) 0; }
}

/* ---------- WordPress core visuals ---------- */
.wp-caption { max-width: 100%; }
.aligncenter { margin-left: auto; margin-right: auto; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); }
.navigation.pagination, .nav-links { margin: var(--s-6) 0; display: flex; gap: var(--s-2); }
.nav-links a, .nav-links span { padding: 8px 14px; border: 1px solid var(--c-line); border-radius: var(--radius); font-size: 14px; }
.nav-links .current { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }

/* Language switcher (Polylang) */
.lang-sw { display:inline-flex; align-items:center; }
.lang-sw ul { list-style:none; display:inline-flex; gap:10px; margin:0; padding:0; align-items:center; }
.lang-sw li { display:inline-flex; }
.lang-sw a { display:inline-flex; align-items:center; gap:5px; color:inherit; text-decoration:none; font-size:13px; opacity:.8; }
.lang-sw a:hover { opacity:1; }
.lang-sw li.current-lang > a { opacity:1; font-weight:600; }
.lang-sw img { width:18px; height:auto; border-radius:2px; box-shadow:0 0 0 1px rgba(0,0,0,.08); }
.site-header.on-dark .lang-sw a { color:#fff; }

/* ===========================================================
   Header overlay fix
   The sticky header used to sit in normal flow on the cream body,
   while its text was light (on-dark) -> unreadable. Pull the first
   dark section up underneath the header so the light nav sits on navy.
   =========================================================== */
.site-header.on-dark { margin-bottom: -70px; }
.page-hero { padding-top: calc(var(--s-8) + 70px); }
.hero .container { min-height: 630px; }

/* language switcher must stay dark once the header turns solid */
.site-header.on-dark:not(.scrolled) .lang-sw a { color: #fff; }
.site-header.on-dark.scrolled .lang-sw a { color: var(--c-ink); }

/* mobile drawer always opens on a light panel */
.site-header.on-dark:not(.scrolled) .nav.open > li > a { color: var(--c-ink); }
.site-header.on-dark:not(.scrolled) .nav.open .mega a { color: var(--c-ink-soft); }

@media (max-width: 900px) {
  .page-hero { padding-top: calc(var(--s-6) + 70px); }
}

/* ===========================================================
   Header fit: never wrap, shrink before overflow
   =========================================================== */
.brand, .nav > li > a, .nav-cta, .lang-sw a { white-space: nowrap; }
.brand .mark { flex: 0 0 auto; }
.nav-wrap { gap: var(--s-3); }

@media (max-width: 1560px){
  .brand { font-size: 17px; letter-spacing: .02em; }
  .brand .mark { width: 22px; height: 22px; }
  .nav > li > a { padding: 0 8px; font-size: 13.2px; }
  .nav-cta { margin-left: 4px; padding: 10px 14px; font-size: 13px; }
  .lang-sw .pll-switcher-label { display: none; }
  .lang-sw ul { gap: 8px; }
}
@media (max-width: 1300px){
  .brand { font-size: 16px; }
  .nav > li > a { padding: 0 6px; font-size: 12.6px; }
  .nav-cta { padding: 9px 12px; font-size: 12.5px; }
}

/* ---------- classic sub-menu dropdown (wp_nav_menu) ---------- */
.nav > li.menu-item-has-children { position: relative; }
.nav .sub-menu {
  position: absolute; top: 70px; left: 0; min-width: 280px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  box-shadow: var(--sh-2); padding: 10px; margin: 0; list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .22s var(--ease); z-index: 60;
}
.nav > li:hover > .sub-menu,
.nav > li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav .sub-menu li { list-style: none; }
.nav .sub-menu a {
  display: block; padding: 9px 10px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; color: var(--c-ink-soft); line-height: 1.4;
}
.nav .sub-menu a:hover { background: var(--c-bg-alt); color: var(--c-accent); }
@media (max-width: 1024px){
  .nav.open .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; min-width: 0; padding: 0 0 0 8px;
  }
  .nav.open .sub-menu a { padding: 10px 4px; border-bottom: 1px solid var(--c-line); }
  .nav.open .sub-menu li:last-child a { border-bottom: 0; }
}

/* Language switcher: always visible, 4 flags inline */
.lang-sw { flex: 0 0 auto; }
.lang-sw .lang-name { white-space: nowrap; }
@media (max-width: 1560px){ .lang-sw .lang-name { display: none; } }
@media (max-width: 1024px){
  .lang-sw { margin-left: auto; margin-right: var(--s-3); }
  .lang-sw .lang-name { display: none; }
  .lang-sw ul { gap: 6px; }
  .lang-sw img { width: 16px; height: 11px; }
}

/* ---------- mobile header layout: brand | flags | hamburger ---------- */
@media (max-width: 1024px){
  .nav-wrap { gap: 8px; }
  .brand { flex: 1 1 auto; min-width: 0; }
  .brand { overflow: hidden; text-overflow: ellipsis; }
  .lang-sw { flex: 0 0 auto; margin: 0; }
  .lang-sw ul { gap: 5px; }
  .nav-toggle { flex: 0 0 auto; margin-left: 2px; }
}
@media (max-width: 420px){
  .lang-sw img { width: 15px; height: 10px; }
  .lang-sw ul { gap: 4px; }
}

/* ---------- content tables: specifications & material properties ---------- */
.entry-content .wp-block-table { margin: var(--s-4) 0 var(--s-6); overflow-x: auto; }
.entry-content .wp-block-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.entry-content .wp-block-table table td {
  padding: 11px 14px; border-bottom: 1px solid var(--c-line);
  text-align: left; vertical-align: top; line-height: 1.5;
}
.entry-content .wp-block-table tr:last-child td { border-bottom: 0; }
.entry-content .wp-block-table td:first-child {
  font-weight: 600; color: var(--c-ink); width: 46%;
  background: var(--c-bg-alt); border-right: 1px solid var(--c-line);
}
.entry-content .wp-block-table td:last-child { color: var(--c-ink-soft); }
.entry-content .wp-block-table ul { margin: 0; }
@media (max-width: 640px){
  .entry-content .wp-block-table table { font-size: 14px; }
  .entry-content .wp-block-table td { padding: 9px 10px; }
  .entry-content .wp-block-table td:first-child { width: 50%; }
}

/* ===================================================================
   Language switcher — vertical dropdown (replaces flat inline row)
   =================================================================== */
.lang-sw { position: relative; display: inline-flex; align-items: center; }

.lang-sw-btn {
	display: inline-flex; align-items: center; gap: 6px;
	background: transparent; border: 0; cursor: pointer;
	font: inherit; font-size: 13px; color: inherit; opacity: .9;
	padding: 6px 8px; border-radius: 8px; white-space: nowrap;
	line-height: 1;
}
.lang-sw-btn:hover,
.lang-sw.open .lang-sw-btn { opacity: 1; background: rgba(125, 125, 125, .12); }

.lang-sw-btn .lang-caret { width: 10px; height: 6px; transition: transform .18s ease; flex: 0 0 auto; }
.lang-sw.open .lang-sw-btn .lang-caret { transform: rotate(180deg); }

.lang-sw ul.lang-sw-menu {
	position: absolute; top: calc(100% + 8px); right: 0; z-index: 9999;
	min-width: 172px; margin: 0; padding: 6px;
	list-style: none; display: flex; flex-direction: column; gap: 2px;
	background: #fff; border: 1px solid rgba(15, 23, 42, .10); border-radius: 10px;
	box-shadow: 0 14px 34px rgba(15, 23, 42, .18);
	opacity: 0; visibility: hidden; transform: translateY(-5px);
	transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.lang-sw ul.lang-sw-menu.open, .lang-sw.open ul.lang-sw-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.lang-sw-menu li { display: block; }
.lang-sw-menu a {
	display: flex; align-items: center; gap: 9px;
	padding: 8px 10px; border-radius: 7px;
	color: #0f172a !important; opacity: 1 !important;
	font-size: 13px; text-decoration: none; white-space: nowrap;
}
.lang-sw-menu a:hover { background: #f1f5f9; }
.lang-sw-menu li.current-lang > a { font-weight: 600; background: #eaf4f9; }
.lang-sw-menu .lang-name { display: inline !important; }
.lang-sw-menu img { width: 18px; height: 12px; border-radius: 2px; flex: 0 0 auto; }

/* Panel must stay light-on-white even when the header floats over the dark hero */
.site-header.on-dark .lang-sw-menu a { color: #0f172a !important; }

@media (max-width: 1560px) {
	.lang-sw-btn .lang-name { display: none; }
	.lang-sw-btn { padding: 6px; }
}
@media (max-width: 900px) {
	.lang-sw-menu { top: calc(100% + 6px); min-width: 150px; }
	.lang-sw-menu img { width: 16px; height: 11px; }
	.lang-sw-menu a { font-size: 12px; padding: 7px 8px; }
}

/* Dropdown trigger must follow the same on-dark light/dark switch as the old inline links */
.site-header.on-dark:not(.scrolled) .lang-sw-btn { color: #fff; }
.site-header.on-dark.scrolled .lang-sw-btn { color: var(--c-ink); }
.site-header.on-dark:not(.scrolled) .lang-sw-btn:hover,
.site-header.on-dark:not(.scrolled) .lang-sw.open .lang-sw-btn { background: rgba(255,255,255,.16); }

/* Fallback: open the dropdown on hover / keyboard focus even if JS is stale or blocked */
.lang-sw:hover .lang-sw-menu,
.lang-sw:focus-within .lang-sw-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-sw:hover .lang-sw-btn .lang-caret,
.lang-sw:focus-within .lang-sw-btn .lang-caret { transform: rotate(180deg); }