/*
Theme Name: KRS Optics Mount
Theme URI: https://krsopticsmount.com
Description: Precision optical accessories & tactical mounting systems — a B2B manufacturer theme. Neutral, compliant, high-end design system (warm paper / ink / champagne bronze), no weapon/military imagery, WhatsApp + RFQ + Brevo-ready.
Version: 1.0.9
Author: KRS Optics Mount
Author URI: https://krsopticsmount.com
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: krs-optics-mount
Requires at least: 6.0
Tested up to: 6.6
Tags: business, custom-colors, custom-logo, responsive-layout, accessibility-ready
*/

/* ============================================================
   KRS Design System — tokens & components
   Palette: ink #16191d / ink-soft #4a5159 / paper #f7f6f3 /
   surface #fff / line #e6e3dd / bronze #b08d57 (sole accent)
   ============================================================ */
:root{
  --ink:#16191d;
  --ink-soft:#4a5159;
  --paper:#f7f6f3;
  --surface:#ffffff;
  --line:#e6e3dd;
  --bronze:#b08d57;
  --bronze-dk:#8c6f43;
  --ok:#2f7d5b;
  --r:10px;
  --r-pill:999px;
  --shadow:0 6px 24px rgba(22,25,29,.06);
  --maxw:1200px;
  --font-sans:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);background:var(--paper);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
.sect-alt{background:var(--surface)}
.eyebrow{letter-spacing:.16em;text-transform:uppercase;font-size:12px;color:var(--bronze);font-weight:600;margin:0 0 14px}
.eyebrow--light{color:var(--bronze)}
h1{font-size:clamp(34px,5vw,56px);line-height:1.1;margin:0 0 18px;letter-spacing:-.01em;font-weight:700}
h2{font-size:clamp(26px,3.4vw,38px);margin:0 0 14px;letter-spacing:-.01em;font-weight:700}
h3{font-size:20px;margin:0 0 8px;font-weight:650}
p{color:var(--ink-soft);margin:0 0 16px;font-size:16px}
.lead{font-size:18px;max-width:620px}
.text-center{text-align:center}

/* Buttons */
.btn{display:inline-block;padding:14px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;transition:.2s;cursor:pointer;border:0}
.btn-bronze{background:var(--bronze);color:#fff}
.btn-bronze:hover{background:var(--bronze-dk);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{transform:translateY(-2px);opacity:.92}
.btn-ghost{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--bronze);color:var(--bronze)}

/* Navigation */
.nav{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.03em;color:var(--ink)}
.logo svg{height:28px;width:auto;color:var(--ink)}
.logo small{font-size:12px;color:var(--ink-soft);font-weight:400;margin-left:6px}
.nav-right{display:flex;align-items:center;gap:26px}
.nav-links{display:flex;gap:26px;font-size:14.5px}
.nav-links a:hover{color:var(--bronze)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:22px;color:var(--ink)}

/* Hero */
.hero{background:linear-gradient(180deg,#fbfaf8,var(--paper));padding:96px 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-visual{aspect-ratio:4/3.4;border-radius:16px;background:radial-gradient(120% 120% at 75% 15%,#2a2f36 0%,#16191d 55%,#0e1013 100%);position:relative;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.hero-visual svg{position:absolute;inset:0;width:100%;height:100%}
.hero-tag{position:absolute;left:22px;bottom:20px;color:#cfd3d8;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}

/* Strength strip */
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.strength{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.strength b{display:block;font-size:30px;color:var(--ink);margin-bottom:4px}
.strength span{font-size:14px;color:var(--ink-soft)}

/* Category cards */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-4px);border-color:var(--bronze)}
.card .ic{width:46px;height:46px;border-radius:12px;background:rgba(176,141,87,.12);display:flex;align-items:center;justify-content:center;color:var(--bronze);font-weight:700;margin-bottom:16px;font-size:18px}
.card .more{display:inline-block;margin-top:6px;color:var(--bronze);font-weight:600;font-size:14px}

/* Why grid */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:36px}
.why-grid .card h3{color:var(--ink)}

/* App grid */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.app{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center;box-shadow:var(--shadow);font-weight:600;color:var(--ink)}

/* Resource cards */
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.res{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.res:hover{transform:translateY(-4px)}
.res .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#22262c,#16191d);display:flex;align-items:center;justify-content:center;color:rgba(176,141,87,.9);font-size:13px;letter-spacing:.1em;position:relative}
.res .thumb .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.res .body{padding:20px}
.res .body h3{font-size:18px}
.res .more{color:var(--bronze);font-weight:600;font-size:14px}
.res .thumb .tag{position:absolute;top:12px;left:12px;background:rgba(176,141,87,.16);color:var(--bronze);border:1px solid rgba(176,141,87,.45);padding:3px 10px;border-radius:20px;font-size:11px;letter-spacing:.12em;font-weight:600}
.res .thumb-video{position:relative;overflow:hidden}
.res .thumb-video .res-video-el{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#16191d;z-index:1}
.res .thumb-video .voverlay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;border:0;padding:0;cursor:pointer;background:linear-gradient(135deg,#22262c,#16191d)}
.res .thumb-video .voverlay .play{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.res .thumb-video.playing .voverlay{display:none}
.res .thumb-video .tag{z-index:3}
.res-video .more{cursor:pointer}
.res-note{margin-top:28px;text-align:center;color:var(--ink-soft);font-size:14px}

/* Partner / two-column */
.partner-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}

/* RFQ */
.rfq{background:var(--ink);color:#fff}
.rfq h2{color:#fff}.rfq p{color:#c9ccd1}
.rfq .field{margin-bottom:14px}
.rfq label{display:block;font-size:13px;color:#b9bcc2;margin-bottom:6px}
.rfq input,.rfq textarea,.rfq select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #2c3036;background:#1d2127;color:#fff;font-size:15px;font-family:inherit}
.rfq input:focus,.rfq textarea:focus{outline:none;border-color:var(--bronze)}
.channels{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.chip{background:rgba(176,141,87,.14);color:var(--bronze);padding:8px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600}

/* Newsletter card */
.news{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);max-width:460px}
.news h3{margin-top:0}
.news input,.news textarea{padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:14px;width:100%;margin-bottom:10px;font-family:inherit}
.news .consent{font-size:12px;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start;margin:8px 0}
.news .krs-msg{font-size:13px;margin-top:10px}
.news .krs-msg.ok{color:var(--ok)}
.news .krs-msg.err{color:#b3261e}

/* Footer */
footer{border-top:1px solid var(--line);padding:48px 0;background:#fbfaf8}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot-links{display:flex;gap:22px;font-size:14px;color:var(--ink-soft);flex-wrap:wrap}
.foot-links a:hover{color:var(--bronze)}
.copy{color:var(--ink-soft);font-size:13px;margin-top:18px}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;align-items:center;gap:10px;background:#25d366;color:#fff;padding:13px 20px;border-radius:var(--r-pill);font-weight:600;font-size:15px;box-shadow:0 10px 30px rgba(37,211,102,.35);transition:.2s}
.wa-float:hover{transform:translateY(-3px);color:#fff}

/* Misc */
.notice{background:rgba(47,125,91,.1);border:1px solid rgba(47,125,91,.3);color:#1d5b41;padding:14px 18px;border-radius:var(--r);margin:18px 0}
.notice--err{background:rgba(179,38,30,.08);border-color:rgba(179,38,30,.3);color:#8a1c14}

/* Responsive */
@media(max-width:880px){
  section{padding:64px 0}
  .hero{padding:64px 0}
  .hero-grid,.cat-grid,.why-grid,.res-grid,.app-grid,.partner-grid{grid-template-columns:1fr}
  .strength-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-links{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 0}
  .nav.open .nav-links a{padding:12px 24px}
}

/* WordPress core */
.alignleft{float:left;margin:0 1.5em 1em 0}
.alignright{float:right;margin:0 0 1em 1.5em}
.aligncenter{display:block;margin-left:auto;margin-right:auto}
.wp-caption{max-width:100%}
.sticky,.bypostauthor{background:inherit}
.screen-reader-text{clip:rect(1px,1px,1px,1px);position:absolute!important;height:1px;width:1px;overflow:hidden}