/*
Theme Name: Bonanza Machine Tools
Theme URI: https://www.by5040.com
Author: Bonanza
Description: Premium industrial machine tools theme for SHANDONG HONGYUNLAI CO.,LTD. Clean UR-style design, SEO-optimized, built for CNC machine tool export business.
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: bonanza
*/

/* ============================================================
   DESIGN TOKENS (Universal Robots inspired)
   ============================================================ */
:root {
  --ur-ink: #002B39;          /* primary deep blue-green */
  --ur-ink-2: #134669;        /* deep blue */
  --ur-blue: #3E769C;         /* mid blue */
  --ur-steel: #738C94;        /* grey-blue */
  --ur-mist: #EDF2F5;         /* light grey-blue bg */
  --ur-accent: #F5A300;       /* UR orange accent */
  --ur-accent-dark: #D98E00;
  --ur-white: #ffffff;
  --ur-off: #F7F9FA;
  --ur-text: #22333B;
  --ur-muted: #5C7078;
  --font-title: 'Red Hat Display', 'Roboto Flex', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Roboto Flex', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(0,43,57,.08);
  --shadow-lg: 0 12px 40px rgba(0,43,57,.14);
  --container: 1200px;
  --header-h: 72px;
}

/* ============ RESET / BASE ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ur-text);
  background: var(--ur-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ur-ink-2); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ur-accent-dark); }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-title); color: var(--ur-ink); line-height: 1.18; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul,ol { margin: 0 0 1em; padding-left: 1.3em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--mist { background: var(--ur-mist); }
.section--ink { background: var(--ur-ink); color: #fff; }
.section--ink h1,.section--ink h2,.section--ink h3 { color: #fff; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ur-accent);
  margin-bottom: 12px;
}
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); }
.section-head p { color: var(--ur-muted); font-size: 17px; }

/* ============ TOP BAR ============ */
.topbar {
  background: var(--ur-ink);
  color: rgba(255,255,255,.85);
  font-size: 13.5px;
  padding: 8px 0;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a { color: rgba(255,255,255,.9); }
.topbar a:hover { color: var(--ur-accent); }
.topbar__left { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar__right { display: flex; gap: 14px; align-items: center; }
.topbar__right .social-link { font-size: 15px; opacity: .9; }
.topbar__right .social-link:hover { opacity: 1; color: var(--ur-accent); }

/* ============ HEADER ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,43,57,.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ur-ink);
  line-height: 1;
}
.brand__logo .dot { color: var(--ur-accent); }
.brand__sub { font-size: 10.5px; letter-spacing: .24em; text-transform: uppercase; color: var(--ur-steel); margin-top: 3px; }
.main-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.main-nav a {
  display: block;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ur-text);
  border-radius: 8px;
}
.main-nav a:hover { color: var(--ur-ink); background: var(--ur-mist); }
.main-nav .current-menu-item > a { color: var(--ur-accent-dark); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--ur-ink); }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .22s ease;
  text-align: center;
}
.btn--accent { background: var(--ur-accent); color: #fff; }
.btn--accent:hover { background: var(--ur-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,163,0,.35); }
.btn--ghost { border-color: rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn--ghost:hover { background: #fff; color: var(--ur-ink); transform: translateY(-2px); }
.btn--ink { background: var(--ur-ink); color: #fff; }
.btn--ink:hover { background: var(--ur-ink-2); color: #fff; transform: translateY(-2px); }
.btn--sm { padding: 9px 20px; font-size: 13.5px; }

/* ============ HERO ============ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #002B39 0%, #0A3A4C 55%, #134669 100%);
  color: #fff;
  padding: 110px 0 120px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -160px; top: -160px;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62,118,156,.35), transparent 65%);
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute;
  left: -120px; bottom: -180px;
  width: 460px; height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,163,0,.16), transparent 62%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero__visual { display: flex; flex-direction: column; gap: 22px; }
.hero__visual > img { width: 100%; }
.hero__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.hero h1 { font-size: clamp(38px, 5.4vw, 62px); color: #fff; letter-spacing: -.01em; }
.hero h1 .accent { color: var(--ur-accent); }
.hero .lead { font-size: 19px; color: rgba(255,255,255,.85); max-width: 560px; margin: 20px 0 34px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.hero-stat {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 24px 20px;
  backdrop-filter: blur(4px);
}
.hero-stat__num { font-family: var(--font-title); font-size: 34px; font-weight: 800; color: var(--ur-accent); line-height: 1; }
.hero-stat__label { font-size: 13px; color: rgba(255,255,255,.75); margin-top: 8px; }

/* ============ SERIES CARDS ============ */
.series-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.series-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,43,57,.06);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.series-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.series-card__img { border-radius: 12px; overflow: hidden; margin-bottom: 20px; aspect-ratio: 4/3; background: var(--ur-mist); }
.series-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.series-card:hover .series-card__img img { transform: scale(1.05); }
.series-card__icon {
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--ur-mist); color: var(--ur-ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px;
}
.series-card h3 { font-size: 21px; }
.series-card p { color: var(--ur-muted); font-size: 14.5px; flex-grow: 1; }
.series-card__link { font-weight: 700; font-size: 14.5px; color: var(--ur-accent-dark); }
.series-card__link:hover { color: var(--ur-ink); }

/* ============ VALUE PROPS ============ */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-item { padding: 30px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.value-item__num { font-family: var(--font-title); font-size: 15px; font-weight: 800; color: var(--ur-accent); letter-spacing: .1em; }
.value-item h3 { font-size: 19px; margin: 12px 0 8px; }
.value-item p { color: var(--ur-muted); font-size: 14.5px; margin: 0; }

/* ============ DATA STRIP ============ */
.datastrip { background: linear-gradient(120deg, #002B39, #134669); color: #fff; }
.datastrip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.datastrip__num { font-family: var(--font-title); font-size: clamp(34px, 4.6vw, 52px); font-weight: 800; color: var(--ur-accent); line-height: 1; }
.datastrip__label { margin-top: 10px; font-size: 14px; color: rgba(255,255,255,.8); letter-spacing: .04em; }

/* ============ PRODUCT CARDS ============ */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,43,57,.06);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card__media { aspect-ratio: 4/3; background: var(--ur-mist); overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex-grow: 1; }
.product-card__series { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ur-accent-dark); margin-bottom: 6px; }
.product-card h3 { font-size: 18px; margin: 0 0 8px; }
.product-card p { color: var(--ur-muted); font-size: 14px; flex-grow: 1; }
.product-card__cta { margin-top: 16px; }

/* ============ BLOG ============ */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid rgba(0,43,57,.06); transition: transform .25s ease, box-shadow .25s ease; }
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.post-card__body { padding: 22px 24px 24px; }
.post-card__date { font-size: 12.5px; color: var(--ur-steel); text-transform: uppercase; letter-spacing: .08em; }
.post-card h3 { font-size: 17px; margin: 8px 0 10px; line-height: 1.35; }
.post-card h3 a { color: var(--ur-ink); }
.post-card h3 a:hover { color: var(--ur-accent-dark); }
.post-card p { color: var(--ur-muted); font-size: 14px; }

/* ============ CTA BAND ============ */
.cta-band { background: linear-gradient(120deg, #F5A300, #FFBE3D); color: #002B39; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { color: #002B39; margin: 0; font-size: clamp(26px, 3.4vw, 38px); }
.cta-band p { margin: 8px 0 0; font-size: 16px; opacity: .85; }
.btn--dark { background: var(--ur-ink); color: #fff; }
.btn--dark:hover { background: #fff; color: var(--ur-ink); }

/* ============ FOOTER ============ */
.site-footer { background: var(--ur-ink); color: rgba(255,255,255,.78); padding: 72px 0 0; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 52px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--ur-accent); }
.footer-brand .brand__logo { color: #fff; font-size: 24px; }
.footer-brand p { margin-top: 14px; }
.footer-links ul { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-contact p { margin-bottom: 10px; }
.footer-contact i { color: var(--ur-accent); margin-right: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; font-size: 13px; color: rgba(255,255,255,.55); }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }

/* ============ PAGE HERO (inner pages) ============ */
.page-hero { background: linear-gradient(135deg, #002B39, #134669); color: #fff; padding: 72px 0 64px; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 4.2vw, 48px); }
.page-hero .breadcrumb { font-size: 13.5px; color: rgba(255,255,255,.7); margin-top: 10px; }
.page-hero .breadcrumb a { color: rgba(255,255,255,.85); }
.page-hero .breadcrumb a:hover { color: var(--ur-accent); }

/* ============ PRODUCT DETAIL ============ */
.product-detail { padding: 60px 0 90px; }
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.pd-gallery__main { border-radius: var(--radius); overflow: hidden; background: var(--ur-mist); margin-bottom: 14px; aspect-ratio: 4/3; }
.pd-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery__thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.pd-gallery__thumbs img { aspect-ratio: 1; object-fit: cover; border-radius: 8px; cursor: pointer; border: 2px solid transparent; opacity: .75; transition: all .2s ease; }
.pd-gallery__thumbs img.active, .pd-gallery__thumbs img:hover { border-color: var(--ur-accent); opacity: 1; }
.pd-info h1 { font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 14px; }
.pd-info .pd-desc { font-size: 16px; color: var(--ur-muted); margin-bottom: 26px; }
.pd-specs { width: 100%; border-collapse: collapse; margin-bottom: 28px; }
.pd-specs th, .pd-specs td { padding: 11px 14px; border: 1px solid rgba(0,43,57,.1); text-align: left; font-size: 14.5px; }
.pd-specs th { background: var(--ur-mist); font-weight: 700; color: var(--ur-ink); width: 42%; }
.pd-specs tr:nth-child(even) td { background: #fafcfd; }
.pd-bullets { list-style: none; padding: 0; margin: 0 0 28px; }
.pd-bullets li { padding: 8px 0 8px 26px; position: relative; color: var(--ur-text); }
.pd-bullets li::before { content: '●'; position: absolute; left: 0; color: var(--ur-accent); }
.pd-quote-box { background: var(--ur-mist); border-radius: var(--radius); padding: 24px; }
.pd-quote-box h3 { font-size: 17px; margin-bottom: 12px; }

/* ============ FORMS ============ */
.contact-form { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 40px; border: 1px solid rgba(0,43,57,.06); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 7px; color: var(--ur-ink); }
.form-group label .req { color: var(--ur-accent-dark); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1.5px solid rgba(0,43,57,.14);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 15px;
  background: #fbfdfe;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--ur-blue);
  box-shadow: 0 0 0 3px rgba(62,118,156,.15);
}
.form-note { font-size: 12.5px; color: var(--ur-muted); margin-top: 10px; }
.form-success { background: #e8f6ec; color: #1d6b33; border: 1px solid #bfe6c9; padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 600; }
.form-error { background: #fdeaea; color: #a4262c; border: 1px solid #f5c6c8; padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 600; }

/* ============ CONTACT INFO CARDS ============ */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card { background: #fff; border-radius: var(--radius); padding: 28px 24px; text-align: center; box-shadow: var(--shadow); border: 1px solid rgba(0,43,57,.06); }
.contact-card__icon { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%; background: var(--ur-mist); color: var(--ur-ink); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.contact-card h3 { font-size: 16px; }
.contact-card p { font-size: 14px; color: var(--ur-muted); margin: 0; word-break: break-word; }
.contact-card a { color: var(--ur-ink); font-weight: 600; }
.contact-card a:hover { color: var(--ur-accent-dark); }

/* ============ ABOUT / MISC ============ */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-list { list-style: none; padding: 0; }
.about-list li { padding: 7px 0 7px 28px; position: relative; }
.about-list li::before { content: '✓'; position: absolute; left: 0; color: var(--ur-accent); font-weight: 800; }
.entry-content h2 { font-size: 26px; margin-top: 1.4em; }
.entry-content h3 { font-size: 21px; margin-top: 1.2em; }
.entry-content img { border-radius: var(--radius); }
.aligncenter { margin-left: auto; margin-right: auto; }

/* ============ PAGINATION ============ */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 48px; }
.pagination a, .pagination span { padding: 9px 16px; border-radius: 8px; background: #fff; border: 1px solid rgba(0,43,57,.12); color: var(--ur-ink); font-weight: 600; }
.pagination .current { background: var(--ur-ink); color: #fff; border-color: var(--ur-ink); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .series-grid, .value-grid, .products-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .hero .container { grid-template-columns: 1fr; gap: 44px; }
  .pd-grid, .two-col { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid rgba(0,43,57,.1);
    padding: 14px 24px 20px; box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav a { padding: 12px 8px; font-size: 16px; border-radius: 8px; }
  .nav-cta .btn { display: none; }
  .series-grid, .value-grid, .products-grid, .post-grid, .datastrip__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 70px 0 80px; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .topbar__right { display: none; }
}