/*
Theme Name: HTON Heavy Industry
Theme URI: https://cnhton.com
Author: HTON
Description: Custom theme for Shandong HTON Heavy Industry Machinery Co., Ltd.
Version: 1.0.0
Text Domain: hton
*/

:root{
  --canvas:#150F1E;
  --panel:#221731;
  --panel-2:#2B1E3E;
  --accent:#F68712;
  --accent-hover:#FFA43D;
  --accent-muted:rgba(246,135,18,.18);
  --brand-purple:#8B63C4;
  --brand-red:#F14624;
  --text-primary:#F5F1EA;
  --text-secondary:#A79BB8;
  --line:rgba(167,155,184,.18);
  --ease-1:cubic-bezier(.22,.9,.32,1);
  --ease-2:cubic-bezier(.16,.8,.2,1);
  --tshadow:0 1px 2px rgba(5,5,10,.85),0 3px 12px rgba(5,5,10,.6);
}
*{box-sizing:border-box}
html,body{overflow-x:clip;overflow-x:hidden}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--canvas);color:var(--text-primary);
  font-family:'IBM Plex Sans',ui-sans-serif,system-ui,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:'Oswald',sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.01em;margin:0;color:var(--text-primary)}
.mono{font-family:'IBM Plex Mono',monospace}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.skip-link{position:absolute;left:8px;top:-60px;background:var(--accent);color:#150F1E;padding:10px 16px;border-radius:8px;z-index:1000;transition:top .25s var(--ease-1);text-decoration:none;font-weight:600}
.skip-link:focus{top:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
section{position:relative}
.section-pad{padding:min(14vh,120px) 0}
.kicker{font-family:'IBM Plex Mono',monospace;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}

/* nav */
header.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:linear-gradient(to bottom,rgba(21,15,30,.94),rgba(21,15,30,.78));backdrop-filter:blur(10px);padding:16px 0;border-bottom:1px solid var(--line)}
header.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-mark{display:flex;align-items:center;gap:12px;color:var(--text-primary)}
.brand-mark img{width:40px;height:40px;flex:none;object-fit:contain;filter:drop-shadow(0 2px 10px rgba(246,135,18,.25))}
.brand-mark .name{font-family:'Oswald',sans-serif;font-weight:700;letter-spacing:.08em;font-size:1.3rem;color:var(--text-primary)}
nav.primary-nav{display:flex;gap:26px;align-items:center}
nav.primary-nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0}
nav.primary-nav a{color:var(--text-secondary);font-size:.92rem;font-weight:500;transition:color .2s var(--ease-1)}
nav.primary-nav a:hover, nav.primary-nav .current-menu-item a{color:var(--text-primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#1a1108;font-weight:600;padding:12px 22px;border-radius:8px;border:none;cursor:pointer;transition:background .2s var(--ease-1),transform .2s var(--ease-1);font-size:.95rem}
.btn:hover{background:var(--accent-hover);transform:translateY(-1px);color:#1a1108}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text-primary)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
@media (pointer:coarse){.btn{min-height:44px}}
.nav-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.6rem}
@media (max-width:820px){
  nav.primary-nav ul{display:none}
  .nav-toggle{display:block}
  nav.primary-nav.open ul{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--panel);padding:20px 24px;gap:16px;border-bottom:1px solid var(--line)}
}

/* hero */
.hero{min-height:92vh;display:flex;align-items:flex-start;position:relative;overflow:hidden;background:#0d0a13}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;transform:scale(1.02)}
.hero .scrim{position:absolute;inset:0;background:
  radial-gradient(ellipse 120% 60% at 50% 0%, rgba(13,10,19,.9) 0%, rgba(13,10,19,.6) 42%, rgba(13,10,19,.15) 72%, rgba(13,10,19,0) 100%),
  linear-gradient(to bottom, rgba(13,10,19,.55) 0%, rgba(13,10,19,0) 34%);
}
.hero-content{position:relative;z-index:2;width:100%;padding-top:min(24vh,220px)}
.hero-content .wrap{max-width:820px}
.hero h1{font-size:clamp(2.3rem,6vw,4.2rem);line-height:1.03;text-shadow:var(--tshadow);margin-bottom:18px}
.hero .sub{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--text-primary);max-width:52ch;text-shadow:var(--tshadow);margin-bottom:30px;font-weight:400;text-transform:none;font-family:'IBM Plex Sans',sans-serif}
.hero .cta-row{display:flex;gap:16px;flex-wrap:wrap}
.hero .scroll-cue{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:2;color:#f5f1ea;opacity:.85;display:flex;flex-direction:column;align-items:center;gap:6px;font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.12em;background:rgba(8,8,15,.4);border:1px solid rgba(96,96,126,.3);backdrop-filter:blur(8px);padding:8px 14px 10px;border-radius:10px;text-shadow:0 1px 3px rgba(5,5,10,.85)}
.scroll-cue .line{width:1px;height:34px;background:linear-gradient(to bottom,var(--accent),transparent);animation:cue-flow 2.2s ease-in-out infinite}
@keyframes cue-flow{0%{opacity:.2}50%{opacity:1}100%{opacity:.2}}

/* generic page hero (product/case/archive pages, no big image) */
.page-hero{padding:min(22vh,200px) 0 min(8vh,70px);background:radial-gradient(ellipse 100% 60% at 50% 0%,var(--panel) 0%,var(--canvas) 70%);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.2rem)}
.page-hero .sub{color:var(--text-secondary);max-width:60ch;font-size:1.05rem;margin-top:14px}

/* entrances */
.io{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-1),transform .8s var(--ease-1)}
.io.in{opacity:1;transform:translateY(0)}
.stagger .io:nth-child(1){transition-delay:0ms}
.stagger .io:nth-child(2){transition-delay:90ms}
.stagger .io:nth-child(3){transition-delay:180ms}
.stagger .io:nth-child(4){transition-delay:270ms}
.stagger.in .io{transition-delay:0ms !important}

/* trust strip */
.trust{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:44px 24px}
.trust .item .num{font-family:'Oswald',sans-serif;font-size:2rem;color:var(--accent);font-weight:700;display:block;margin-bottom:6px}
.trust .item .label{color:var(--text-secondary);font-size:.92rem;line-height:1.4}
@media (max-width:820px){.trust .wrap{grid-template-columns:1fr;gap:24px}}

/* section headers */
.section-head{max-width:640px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.6rem);line-height:1.1;margin-bottom:14px}
.section-head p{color:var(--text-secondary);font-size:1.05rem}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:230px;gap:12px}
.gallery-grid a{position:relative;overflow:hidden;border-radius:10px;background:var(--panel);display:block}
.gallery-grid a:nth-child(1){grid-row:span 2}
.gallery-grid a:nth-child(6){grid-column:span 3}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-1);display:block}
.gallery-grid a:hover img{transform:scale(1.06)}
.gallery-grid .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 16px 10px;background:linear-gradient(to top,rgba(13,10,19,.85),rgba(13,10,19,0));font-size:.82rem;color:var(--text-primary);opacity:0;transition:opacity .3s var(--ease-1)}
.gallery-grid a:hover .cap{opacity:1}
@media (max-width:820px){.gallery-grid{grid-template-columns:1fr;grid-auto-rows:240px}
  .gallery-grid a{grid-column:span 1 !important;grid-row:span 1 !important}
}

/* card grids: products, case studies, news */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s var(--ease-1),transform .25s var(--ease-1);display:flex;flex-direction:column}
.card:hover{border-color:var(--accent-muted);transform:translateY(-4px)}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--panel-2)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:22px}
.card h3{font-size:1.05rem;line-height:1.25;margin-bottom:10px;text-transform:none;letter-spacing:0}
.card p{color:var(--text-secondary);font-size:.9rem;margin-bottom:0}
.card .meta{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
@media (max-width:960px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.card-grid{grid-template-columns:1fr}}

/* process / interactive */
.process{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.process-steps{display:flex;flex-direction:column;gap:28px}
.process-step{display:flex;gap:18px}
.process-step .n{font-family:'IBM Plex Mono',monospace;color:var(--accent);font-size:.85rem;flex:none;width:28px;padding-top:3px}
.process-step h3{font-size:1.05rem;text-transform:none;letter-spacing:0;margin-bottom:6px}
.process-step p{color:var(--text-secondary);font-size:.92rem;margin:0}
.mixer{aspect-ratio:1;max-width:340px;margin:0 auto;position:relative;display:flex;align-items:center;justify-content:center;user-select:none;-webkit-user-select:none;touch-action:none}
.mixer svg{width:100%;height:100%}
.mixer .ring-track{fill:none;stroke:rgba(167,155,184,.18);stroke-width:10}
.mixer .ring-fill{fill:none;stroke:var(--accent);stroke-width:10;stroke-linecap:round;stroke-dasharray:502;stroke-dashoffset:502;transform:rotate(-90deg);transform-origin:50% 50%;transition:stroke-dashoffset .12s linear}
.mixer .core{fill:var(--brand-purple);transition:transform .3s var(--ease-1)}
.mixer .label{position:absolute;text-align:center;font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--text-secondary);letter-spacing:.06em}
.mixer .label b{display:block;color:var(--text-primary);font-size:1.6rem;font-family:'Oswald',sans-serif;margin-bottom:4px;font-weight:700}
.mixer.done .core{transform:scale(1.08)}
@media (max-width:820px){.process{grid-template-columns:1fr;gap:40px}}

/* why + FAQ */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px}
.why-item{display:flex;gap:16px}
.why-item .mk{flex:none;width:38px;height:38px;border-radius:9px;background:var(--accent-muted);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.why-item h3{font-size:1rem;text-transform:none;letter-spacing:0;margin-bottom:6px}
.why-item p{color:var(--text-secondary);font-size:.92rem;margin:0}
@media (max-width:820px){.why-grid{grid-template-columns:1fr}}

.faq{max-width:760px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;padding:22px 0;font-family:'Oswald',sans-serif;font-weight:600;font-size:1.02rem;letter-spacing:.01em;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;text-transform:none;color:var(--text-primary)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{color:var(--text-secondary);padding-bottom:22px;margin:0;font-size:.95rem;max-width:64ch}

/* quote/contact + forms */
.cta-section{background:var(--panel);border-top:1px solid var(--line)}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.cta-copy h2{font-size:clamp(1.8rem,3.4vw,2.4rem);margin-bottom:16px}
.cta-copy p{color:var(--text-secondary);margin-bottom:24px}
.contact-line{display:flex;gap:12px;align-items:center;margin-bottom:14px;font-size:.95rem}
.contact-line svg{flex:none;width:18px;height:18px;color:var(--accent)}
.contact-line a:hover{color:var(--accent)}
@media (max-width:820px){.cta-inner{grid-template-columns:1fr}}

/* Contact Form 7 styling */
.wpcf7 form label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;color:var(--text-secondary);font-family:'IBM Plex Mono',monospace;letter-spacing:.04em;margin-bottom:16px}
.wpcf7 form input[type="text"],.wpcf7 form input[type="email"],.wpcf7 form select,.wpcf7 form textarea{
  background:var(--canvas);border:1px solid var(--line);border-radius:8px;padding:12px 14px;color:var(--text-primary);font-family:'IBM Plex Sans',sans-serif;font-size:.95rem;margin-top:4px}
.wpcf7 form input:focus,.wpcf7 form select:focus,.wpcf7 form textarea:focus{border-color:var(--accent);outline:none}
.wpcf7 form textarea{resize:vertical;min-height:96px}
.wpcf7-submit{background:var(--accent) !important;color:#1a1108 !important;font-weight:600;padding:12px 26px;border-radius:8px;border:none;cursor:pointer;font-family:'IBM Plex Sans',sans-serif}
.wpcf7-submit:hover{background:var(--accent-hover) !important}
.wpcf7-response-output{border-radius:8px;border-color:var(--line) !important;color:var(--text-secondary)}
.wpcf7-not-valid-tip{color:var(--brand-red);font-size:.8rem;margin-top:4px}

/* single product/case/post */
.single-body{max-width:760px}
.single-body .featured{border-radius:14px;overflow:hidden;margin-bottom:36px}
.single-body .entry-content p{color:var(--text-secondary);font-size:1.05rem;line-height:1.75}
.single-body .entry-content h2, .single-body .entry-content h3{margin-top:1.4em;margin-bottom:.5em;text-transform:none}

/* footer */
footer.site-footer{padding:60px 0 34px;border-top:1px solid var(--line);background:var(--panel)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand img{width:min(220px,60vw);height:auto;margin-bottom:18px}
.footer-brand p{color:var(--text-secondary);font-size:.88rem;max-width:36ch}
.footer-col h4{font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:14px}
.footer-col a,.footer-col p{display:block;color:var(--text-primary);text-decoration:none;font-size:.9rem;margin-bottom:10px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-secondary);font-size:.82rem}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* motif divider + particles */
.motif-divider{display:flex;align-items:center;justify-content:center;padding:10px 0 0}
.motif-divider svg{width:64px;height:64px;opacity:.5}
.motif-divider .spin{animation:spin 60s linear infinite}
.motif-divider .spin-rev{animation:spin 44s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

/* archive header (avoid ugly default) */
.archive-head{padding:min(20vh,180px) 0 60px;text-align:left}

body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused !important}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .io{opacity:1;transform:none}
}