/*
Theme Name: Kesen Pro
Theme URI: https://kesensetech.com/
Description: Western-market redesign layer for the Kesen theme — navy/coral design system, Inter typography, utility bar, product cards with specs, RFQ CTAs. Child theme of Kesen.
Author: Kesen
Author URI: https://kesensetech.com/
Template: kesen
Version: 1.0.0
Requires at least: 6.5
Tested up to: 6.8
Requires PHP: 8.1
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kesen-pro
Tags: custom-menu, featured-images, translation-ready
*/

/* ============================================================
   1 · Fonts — self-hosted latin subsets (GDPR-safe, ~76KB)
   ============================================================ */
@font-face{
  font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url('assets/fonts/inter-var.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('assets/fonts/ibmplexmono-400.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('assets/fonts/ibmplexmono-500.woff2') format('woff2');
}

/* ============================================================
   2 · Design tokens
   ============================================================ */
:root{
  --kp-navy-900:#042C53; --kp-navy-800:#0C447C; --kp-navy-600:#185FA5;
  --kp-navy-200:#85B7EB; --kp-navy-100:#B5D4F4; --kp-navy-50:#E6F1FB;
  --kp-coral-600:#993C1D; --kp-coral-400:#D85A30; --kp-coral-50:#FAECE7;
  --kp-ink-900:#2C2C2A; --kp-ink-600:#5F5E5A; --kp-ink-400:#888780;
  --kp-line:#B4B2A9; --kp-line-soft:#D3D1C7;
  --kp-surface:#FFFFFF; --kp-page:#F7F6F3;
  --kp-ok-600:#0F6E56;
  --kp-font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --kp-font-mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --kp-fs-display:3.25rem; --kp-fs-h2:2.25rem; --kp-fs-h3:1.3125rem;
  --kp-fs-body:1.0625rem; --kp-fs-sm:.9375rem; --kp-fs-xs:.8125rem;
  --kp-lh-tight:1.1; --kp-lh-snug:1.3; --kp-lh-body:1.65;
  --kp-s1:.25rem; --kp-s2:.5rem; --kp-s3:.75rem; --kp-s4:1rem;
  --kp-s6:1.5rem; --kp-s8:2rem; --kp-s12:3rem; --kp-s16:4rem; --kp-s24:6rem;
  --kp-r-sm:.5rem; --kp-r-md:.75rem; --kp-r-pill:999px;
  --kp-container:75rem; --kp-gutter:1.5rem;
  --kp-focus:0 0 0 3px rgba(24,95,165,.45);
}

/* ============================================================
   3 · Base
   ============================================================ */
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--kp-surface);color:var(--kp-ink-900);
  font-family:var(--kp-font-sans);font-size:var(--kp-fs-body);
  line-height:var(--kp-lh-body);-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--kp-navy-600);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{color:var(--kp-navy-900);font-weight:600;line-height:var(--kp-lh-snug);margin:0 0 var(--kp-s4)}
p{margin:0 0 var(--kp-s4)}
.kesen-shell{min-height:100vh;display:flex;flex-direction:column}
.kesen-container{max-width:var(--kp-container);margin-inline:auto;padding-inline:var(--kp-gutter)}
.kesen-main{flex:1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:none;box-shadow:var(--kp-focus);border-radius:var(--kp-r-sm)}

/* ============================================================
   4 · Utility bar
   ============================================================ */
.kp-utility{background:var(--kp-navy-800);color:var(--kp-navy-100);font-size:var(--kp-fs-xs)}
.kp-utility__inner{display:flex;align-items:center;gap:var(--kp-s4);min-height:34px}
.kp-utility__lang{font-weight:500;color:#fff;letter-spacing:.04em}
.kp-utility__links{display:flex;gap:var(--kp-s4);margin-inline-start:auto}
.kp-utility__links a{color:var(--kp-navy-100)}
.kp-utility__rfq{color:#fff;font-weight:500;border-bottom:1px solid var(--kp-navy-200);padding-bottom:1px}
.kp-utility__rfq:hover{text-decoration:none;border-bottom-color:#fff}
@media (max-width:639px){.kp-utility__links{display:none}}

/* ============================================================
   5 · Header
   ============================================================ */
.kp-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(1.4) blur(8px);backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--kp-line-soft)}
.kesen-header__bar{display:flex;align-items:center;gap:var(--kp-s6);min-height:var(--kp-s16)}
.kp-brand{font-size:1.375rem;font-weight:600;letter-spacing:-.02em;color:var(--kp-navy-900)}
.kp-brand:hover{text-decoration:none}
.kp-brand em{color:var(--kp-coral-400);font-style:normal}
.kp-nav{margin-inline-start:auto}
.kesen-navlist{display:flex;align-items:center;gap:var(--kp-s2);list-style:none;margin:0;padding:0}
.kesen-navlist li{position:relative}
.kesen-navlist a{display:block;padding:var(--kp-s2) var(--kp-s3);font-size:var(--kp-fs-sm);
  font-weight:500;color:var(--kp-ink-900);border-radius:var(--kp-r-sm)}
.kesen-navlist a:hover{color:var(--kp-navy-800);background:var(--kp-navy-50);text-decoration:none}
.kesen-navlist .current-menu-item>a,.kesen-navlist .current_page_item>a{color:var(--kp-navy-800)}
.kesen-navlist .sub-menu{position:absolute;top:100%;inset-inline-start:0;min-width:230px;
  background:var(--kp-surface);border:1px solid var(--kp-line-soft);border-radius:var(--kp-r-md);
  box-shadow:0 8px 24px rgba(4,44,83,.10);padding:var(--kp-s2);list-style:none;margin:0;
  display:none;flex-direction:column;gap:2px;z-index:60}
.kesen-navlist li:hover>.sub-menu,.kesen-navlist li:focus-within>.sub-menu{display:flex}
.kesen-navlist .sub-menu a{font-weight:400;font-size:var(--kp-fs-sm)}
.kp-header-cta{display:inline-flex;align-items:center;min-height:40px;padding:0 var(--kp-s4);
  background:var(--kp-navy-800);color:#fff;font-size:var(--kp-fs-sm);font-weight:500;
  border-radius:var(--kp-r-sm);white-space:nowrap;transition:background-color .15s ease}
.kp-header-cta:hover{background:var(--kp-navy-600);text-decoration:none}
.kesen-nav-toggle{display:none}
@media (max-width:1023px){
  .kp-header-cta{display:none}
  .kesen-nav-toggle{display:inline-flex;align-items:center;min-height:40px;padding:0 var(--kp-s3);
    margin-inline-start:auto;background:transparent;border:1px solid var(--kp-line);border-radius:var(--kp-r-sm);
    font:500 var(--kp-fs-sm) var(--kp-font-sans);color:var(--kp-ink-900);cursor:pointer}
  .kp-nav{position:absolute;top:100%;inset-inline:0;background:var(--kp-surface);
    border-bottom:1px solid var(--kp-line-soft);padding:var(--kp-s4) var(--kp-gutter);
    display:none;margin:0}
  .kp-nav.is-open{display:block}
  .kesen-navlist{flex-direction:column;align-items:stretch;gap:2px}
  .kesen-navlist .sub-menu{position:static;display:none;box-shadow:none;border:0;padding-inline-start:var(--kp-s4);min-width:0}
  .kesen-navlist li.is-open>.sub-menu{display:flex}
}

/* ============================================================
   6 · Buttons
   ============================================================ */
.kp-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--kp-s2);
  min-height:46px;padding:0 var(--kp-s6);border-radius:var(--kp-r-sm);font-weight:500;
  font-size:var(--kp-fs-body);border:1px solid transparent;cursor:pointer;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease;text-decoration:none}
.kp-btn--primary{background:var(--kp-navy-800);color:#fff}
.kp-btn--primary:hover{background:var(--kp-navy-600);text-decoration:none}
.kp-btn--secondary{background:transparent;color:var(--kp-navy-800);border-color:var(--kp-navy-800)}
.kp-btn--secondary:hover{background:var(--kp-navy-50);text-decoration:none}
.kp-btn--coral{background:var(--kp-coral-400);color:#fff}
.kp-btn--coral:hover{background:var(--kp-coral-600);text-decoration:none}
.kp-btn--sm{min-height:38px;padding:0 var(--kp-s4);font-size:var(--kp-fs-sm)}
.kp-btn--block{width:100%}

/* ============================================================
   7 · Hero
   ============================================================ */
.kesen-hero-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--kp-s3);
  margin:0 0 var(--kp-s8)}
.kesen-hero-figure{margin:0;border-radius:var(--kp-r-md);overflow:hidden;background:var(--kp-navy-50)}
.kesen-hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (max-width:767px){.kesen-hero-gallery{grid-template-columns:1fr}}

/* ============================================================
   8 · Content typography (imported page bodies)
   ============================================================ */
.kesen-content{max-width:60rem}
.kesen-content>h1{font-size:clamp(1.9rem,4vw,var(--kp-fs-display));line-height:var(--kp-lh-tight);
  letter-spacing:-.02em;color:var(--kp-navy-900);font-weight:600;margin:0 0 var(--kp-s4)}
.kesen-content>h2{font-size:clamp(1.4rem,2.4vw,var(--kp-fs-h2));margin:var(--kp-s12) 0 var(--kp-s4)}
.kesen-content>h3{font-size:var(--kp-fs-h3);margin:var(--kp-s8) 0 var(--kp-s3)}
.kesen-content p{max-width:68ch}
.kesen-content .lede{font-size:1.125rem;color:var(--kp-ink-600);max-width:60ch}
.kesen-content table{width:100%;border-collapse:collapse;margin:var(--kp-s4) 0 var(--kp-s8);
  font-size:var(--kp-fs-sm);font-variant-numeric:tabular-nums}
.kesen-content th,.kesen-content td{padding:10px 14px;border-bottom:1px solid var(--kp-line-soft);text-align:start;vertical-align:top}
.kesen-content thead th{background:var(--kp-navy-50);color:var(--kp-navy-900);font-weight:600;border-bottom:1px solid var(--kp-navy-100)}
.kesen-content tbody tr:hover{background:var(--kp-page)}
.kesen-content img{border-radius:var(--kp-r-md)}
.kesen-content blockquote{margin:var(--kp-s6) 0;padding:var(--kp-s4) var(--kp-s6);
  border-inline-start:3px solid var(--kp-coral-400);background:var(--kp-page);border-radius:0 var(--kp-r-md) var(--kp-r-md) 0;color:var(--kp-ink-900)}
.kesen-content ul,.kesen-content ol{max-width:68ch;padding-inline-start:1.25rem}
.kesen-content li{margin:var(--kp-s1) 0}
.kesen-content a{text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--kp-navy-200)}
.kesen-content a:hover{text-decoration-color:var(--kp-navy-600)}

/* ============================================================
   9 · Breadcrumb
   ============================================================ */
.kesen-breadcrumb{font-size:var(--kp-fs-xs);color:var(--kp-ink-600);margin:var(--kp-s4) 0 var(--kp-s6)}
.kesen-breadcrumb a{color:var(--kp-ink-600)}
.kesen-breadcrumb a:hover{color:var(--kp-navy-600)}

/* ============================================================
   10 · Product cards + showcase
   ============================================================ */
.kesen-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--kp-s6)}
.kesen-product-card{display:flex;flex-direction:column;background:var(--kp-surface);
  border:1px solid var(--kp-line-soft);border-radius:var(--kp-r-md);padding:var(--kp-s4);
  gap:var(--kp-s3);transition:border-color .15s ease,transform .15s ease}
.kesen-product-card:hover{border-color:var(--kp-navy-200);transform:translateY(-2px);text-decoration:none}
.kesen-product-thumb-wrap{display:block;border-radius:var(--kp-r-sm);overflow:hidden;background:var(--kp-page)}
.kesen-product-thumb{width:100%;aspect-ratio:4/3;object-fit:cover}
.kesen-product-card h3{font-size:var(--kp-fs-body);margin:0;display:flex;align-items:center;gap:var(--kp-s2);flex-wrap:wrap}
.kp-model{font-family:var(--kp-font-mono);font-size:.75rem;font-weight:500;color:#fff;
  background:var(--kp-coral-400);border-radius:var(--kp-r-pill);padding:2px 10px;letter-spacing:.02em}
.kp-card-specs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--kp-s1)}
.kp-card-specs li{display:flex;justify-content:space-between;gap:var(--kp-s3);font-size:var(--kp-fs-xs);color:var(--kp-ink-600)}
.kp-card-specs b{font-weight:400;color:var(--kp-ink-900);font-variant-numeric:tabular-nums;text-align:end}
.kp-card-more{margin-top:auto;font-size:var(--kp-fs-sm);font-weight:500;color:var(--kp-navy-600)}
.kesen-home-showcase{margin-top:var(--kp-s16)}

/* ============================================================
   11 · Product single page
   ============================================================ */
.kp-product-head{display:flex;align-items:flex-start;gap:var(--kp-s4);flex-wrap:wrap;margin-bottom:var(--kp-s4)}
.kp-product-head .kp-model{font-size:.875rem;padding:4px 14px}
.kp-spec-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;
  font-size:var(--kp-fs-sm);margin:var(--kp-s4) 0 var(--kp-s8)}
.kp-spec-table caption{text-align:start;font-weight:600;color:var(--kp-navy-900);
  font-size:var(--kp-fs-h3);padding-bottom:var(--kp-s3)}
.kp-spec-table th,.kp-spec-table td{padding:11px 14px;border-bottom:1px solid var(--kp-line-soft);text-align:start}
.kp-spec-table th{width:42%;font-weight:400;color:var(--kp-ink-600);vertical-align:top}
.kp-spec-table td{color:var(--kp-ink-900)}
.kp-spec-table tbody tr:hover{background:var(--kp-page)}
.kp-product-cta{background:var(--kp-navy-50);border-radius:var(--kp-r-md);
  padding:var(--kp-s6);margin:var(--kp-s8) 0;display:flex;align-items:center;
  justify-content:space-between;gap:var(--kp-s4);flex-wrap:wrap}
.kp-product-cta p{margin:0;font-weight:500;color:var(--kp-navy-900)}
.kp-related{margin-top:var(--kp-s16);border-top:1px solid var(--kp-line-soft);padding-top:var(--kp-s8)}

/* ============================================================
   12 · CTA band + footer
   ============================================================ */
.kp-band{background:var(--kp-navy-600);border-radius:var(--kp-r-md);color:#fff;
  padding:var(--kp-s12) var(--kp-s8);margin:var(--kp-s16) 0;display:flex;
  align-items:center;justify-content:space-between;gap:var(--kp-s6);flex-wrap:wrap}
.kp-band h2{color:#fff;font-size:clamp(1.3rem,2.2vw,1.75rem);margin:0;max-width:34ch}
.kp-band p{color:var(--kp-navy-100);margin:var(--kp-s2) 0 0;font-size:var(--kp-fs-sm)}
.kp-band .kp-btn--onband{background:#fff;color:var(--kp-navy-800)}
.kp-band .kp-btn--onband:hover{background:var(--kp-navy-50)}
.kp-footer{background:var(--kp-navy-900);color:var(--kp-navy-100);margin-top:var(--kp-s24);padding:var(--kp-s16) 0 var(--kp-s8)}
.kp-footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:var(--kp-s8)}
@media (max-width:1023px){.kp-footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.kp-footer__grid{grid-template-columns:1fr}}
.kp-footer h3{color:#fff;font-size:var(--kp-fs-sm);text-transform:uppercase;letter-spacing:.08em;margin:0 0 var(--kp-s4)}
.kp-footer ul{list-style:none;margin:0 0 var(--kp-s6);padding:0;display:flex;flex-direction:column;gap:var(--kp-s2)}
.kp-footer a{color:var(--kp-navy-100);font-size:var(--kp-fs-sm)}
.kp-footer a:hover{color:#fff}
.kp-footer__brand{font-size:1.25rem;font-weight:600;color:#fff;margin:0 0 var(--kp-s3)}
.kp-footer__brand em{color:var(--kp-coral-400);font-style:normal}
.kp-footer__about{font-size:var(--kp-fs-sm);color:var(--kp-navy-200);max-width:36ch}
.kp-footer__bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:var(--kp-s8);
  padding-top:var(--kp-s6);display:flex;justify-content:space-between;gap:var(--kp-s4);flex-wrap:wrap;
  font-size:var(--kp-fs-xs);color:var(--kp-navy-200)}
.kp-footer__bottom a{color:var(--kp-navy-200)}
.kesen-footer{padding:0;margin:0;background:none}
.kesen-footer .kesen-container{padding:0}

/* ============================================================
   13 · Responsive helpers
   ============================================================ */
@media (max-width:767px){
  .kesen-content>h1{font-size:1.9rem}
  .kp-spec-table th,.kp-spec-table td{display:flex;justify-content:space-between;gap:var(--kp-s3);border-bottom:1px solid var(--kp-line-soft)}
  .kp-spec-table thead{display:none}
  .kp-spec-table tr{display:block;border-bottom:1px solid var(--kp-line-soft)}
  .kp-spec-table th{width:auto}
}

/* ============================================================
   14 · Print (datasheet)
   ============================================================ */
@media print{
  .kp-utility,.kp-header,.kesen-nav-toggle,.kp-footer,.kp-band,.kp-product-cta{display:none!important}
  body{font-size:12px}
  .kesen-content{max-width:none}
}