/*
Theme Name: Gongniu Hardware
Theme URI: https://gongniuhardware.com
Author: Gongniu Hardware Co., Ltd.
Author URI: https://gongniuhardware.com
Description: A professional B2B hardware & electrical supply theme for global export trade. Features product catalog, inquiry forms, SEO-optimized structure with schema markup, and mobile-first responsive design.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gongniu-hardware
Tags: business, e-commerce, custom-menu, featured-images, full-width-template, rtl-language-support, sticky-post, threaded-comments, translation-ready
*/

/* =========================================================
   DESIGN SYSTEM - CSS Custom Properties
   ========================================================= */
:root {
  /* Primary: Industrial Deep Blue */
  --color-primary:        hsl(215, 85%, 25%);
  --color-primary-light:  hsl(215, 75%, 35%);
  --color-primary-dark:   hsl(215, 90%, 18%);
  --color-primary-fg:     #ffffff;

  /* Accent: Industrial Orange */
  --color-accent:         hsl(25, 95%, 53%);
  --color-accent-dark:    hsl(25, 90%, 44%);
  --color-accent-fg:      #ffffff;

  /* Neutrals */
  --color-bg:             #ffffff;
  --color-bg-muted:       hsl(215, 20%, 97%);
  --color-bg-card:        #ffffff;
  --color-fg:             hsl(215, 25%, 15%);
  --color-fg-muted:       hsl(215, 15%, 45%);
  --color-border:         hsl(215, 20%, 88%);

  /* Typography */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --container-max:  1280px;
  --section-py:     4rem;
  --section-py-lg:  6rem;
  --border-radius:  0.5rem;
  --border-radius-lg: 1rem;

  /* Shadows */
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:    0 8px 24px rgba(0,0,0,.12);
  --shadow-hover: 0 8px 32px rgba(0,0,0,.16);
}

/* =========================================================
   RESET & BASE
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-light); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-fg);
  margin-top: 0;
}

p { margin-top: 0; }

/* =========================================================
   UTILITY CLASSES
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 768px) { .container { padding-inline: 2rem; } }

.section { padding-block: var(--section-py); }
.section--muted { background-color: var(--color-bg-muted); }
.section--dark {
  background: linear-gradient(135deg, hsl(215,85%,18%), hsl(215,80%,25%));
  color: #fff;
}

.section__eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .5rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-fg-muted);
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: 0;
}

.text-center { text-align: center; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  border-color: #fff;
  color: #fff;
}
.btn--outline:hover {
  background-color: #fff;
  color: var(--color-primary);
}

.btn--accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.btn--accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn--lg { padding: 1rem 2.5rem; font-size: 1.0625rem; }
.btn--sm { padding: .5rem 1rem; font-size: .875rem; }

/* =========================================================
   HEADER & NAVIGATION
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.topbar {
  background-color: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
  padding-block: .375rem;
  font-size: .8125rem;
  color: var(--color-fg-muted);
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar__contact { display: flex; align-items: center; gap: 1.25rem; }
.topbar__contact a {
  display: flex; align-items: center; gap: .375rem;
  color: var(--color-fg-muted);
  transition: color .2s;
}
.topbar__contact a:hover { color: var(--color-primary); }

.topbar__contact svg { width: 14px; height: 14px; flex-shrink: 0; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: .875rem;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo img { height: 44px; width: auto; }

.navbar__logo-text { display: none; }
@media (min-width: 768px) { .navbar__logo-text { display: flex; flex-direction: column; } }

.navbar__logo-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-fg);
  line-height: 1.2;
}

.navbar__logo-tagline {
  font-size: .75rem;
  color: var(--color-fg-muted);
}

/* Desktop nav */
.navbar__nav { display: none; }
@media (min-width: 1024px) { .navbar__nav { display: flex; align-items: center; gap: .25rem; } }

.nav-item { position: relative; }

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .5rem .875rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-fg);
  border-radius: var(--border-radius);
  transition: all .2s;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.is-active { background-color: hsl(215,20%,95%); color: var(--color-primary); }

.nav-link--cta {
  background-color: var(--color-primary);
  color: #fff !important;
}
.nav-link--cta:hover { background-color: var(--color-primary-dark); color: #fff !important; }

.nav-link svg { width: 14px; height: 14px; transition: transform .2s; }
.nav-item:hover .nav-link svg { transform: rotate(180deg); }

/* Mega / dropdown menu */
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + .5rem);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.25rem;
  z-index: 200;
  min-width: 320px;
}

.dropdown-menu--mega { min-width: 680px; }

.nav-item:hover .dropdown-menu { display: block; }

.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .625rem;
}

.mega-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .875rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: all .2s;
  text-decoration: none;
}

.mega-item:hover {
  border-color: var(--color-primary);
  background-color: hsl(215,20%,97%);
  box-shadow: var(--shadow-sm);
}

.mega-item__icon { font-size: 2rem; flex-shrink: 0; }
.mega-item__name { font-size: .875rem; font-weight: 600; color: var(--color-fg); }
.mega-item__desc { font-size: .75rem; color: var(--color-fg-muted); margin-top: .125rem; }

.dropdown-header { margin-bottom: .875rem; padding-bottom: .875rem; border-bottom: 1px solid var(--color-border); }
.dropdown-header h4 { font-size: 1rem; font-weight: 700; margin: 0 0 .25rem; }
.dropdown-header p { font-size: .8125rem; color: var(--color-fg-muted); margin: 0; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem .875rem;
  border-radius: var(--border-radius);
  color: var(--color-fg);
  font-size: .875rem;
  font-weight: 500;
  transition: background .2s;
}
.dropdown-item:hover { background-color: hsl(215,20%,97%); color: var(--color-primary); }
.dropdown-item svg { width: 18px; height: 18px; color: var(--color-primary); }

/* Navbar CTA */
.navbar__cta { display: none; }
@media (min-width: 1024px) { .navbar__cta { display: flex; align-items: center; } }

/* Mobile menu toggle */
.navbar__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  color: var(--color-fg);
}
@media (min-width: 1024px) { .navbar__toggle { display: none; } }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
}

.mobile-nav.is-open { display: flex; }

.mobile-nav__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
}

.mobile-nav__drawer {
  position: relative;
  width: min(320px, 90vw);
  height: 100%;
  background: #fff;
  margin-left: auto;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav__close {
  align-self: flex-end;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: .375rem .75rem;
  cursor: pointer;
  font-size: .875rem;
  color: var(--color-fg-muted);
}

.mobile-nav-links { display: flex; flex-direction: column; gap: .25rem; }
.mobile-nav-links a {
  display: block;
  padding: .75rem 1rem;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--color-fg);
  border-radius: var(--border-radius);
  transition: background .2s;
}
.mobile-nav-links a:hover { background-color: var(--color-bg-muted); color: var(--color-primary); }

.mobile-nav__sub { margin-left: 1rem; display: flex; flex-direction: column; gap: .125rem; }
.mobile-nav__sub a { font-size: .8125rem; padding: .5rem .875rem; }

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero {
  position: relative;
  min-height: min(800px, 90vh);
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-primary-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    hsl(215,85%,18%) 0%,
    hsl(215,80%,22%) 45%,
    hsl(215,70%,28%,.85) 70%,
    hsl(215,60%,35%,.6) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 680px;
  padding-block: 5rem;
}

.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  padding: .5rem 1.125rem;
  border-radius: 100px;
  font-size: .8125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: .02em;
}

.hero__title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: #fff;
}

.hero__title span {
  background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,.75) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255,255,255,.88);
  margin-bottom: 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.7);
  font-size: .6875rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  animation: bounce-y 2s infinite;
}

.hero__scroll-line {
  width: 2px;
  height: 36px;
  background: rgba(255,255,255,.4);
  border-radius: 2px;
}

@keyframes bounce-y {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-8px); }
}

/* =========================================================
   FEATURE CARDS (Why Choose Us)
   ========================================================= */
.feature-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feature-grid { grid-template-columns: repeat(4, 1fr); } }

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: hsl(215,50%,75%);
}

.feature-card__icon-wrap {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: hsl(215,85%,95%);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  transition: transform .3s;
}

.feature-card:hover .feature-card__icon-wrap { transform: scale(1.1); }

.feature-card__icon-wrap svg { width: 32px; height: 32px; color: var(--color-primary); }

.feature-card__title { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }

.feature-card__desc { font-size: .875rem; color: var(--color-fg-muted); line-height: 1.6; }

/* =========================================================
   CATEGORY CARDS
   ========================================================= */
.category-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 480px)  { .category-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .category-grid { grid-template-columns: repeat(4, 1fr); } }

.category-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: block;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: transform .3s, box-shadow .3s;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.category-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.category-card:hover .category-card__img { transform: scale(1.08); }

.category-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5,15,35,.85) 0%,
    rgba(5,15,35,.4) 50%,
    rgba(5,15,35,.1) 100%
  );
}

.category-card__content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.25rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.category-card__icon {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}

.category-card__info { margin-left: 3.25rem; }
.category-card__name { font-size: 1rem; font-weight: 700; color: #fff; line-height: 1.2; }
.category-card__desc { font-size: .75rem; color: rgba(255,255,255,.75); }

/* =========================================================
   PRODUCT CARDS
   ========================================================= */
.product-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 480px)  { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px)  { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
  text-decoration: none;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: hsl(215,50%,78%);
}

.product-card__image-wrap {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-bg-muted);
}

.product-card__image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.product-card:hover .product-card__image-wrap img { transform: scale(1.06); }

.product-card__body { padding: 1.125rem; flex: 1; display: flex; flex-direction: column; }

.product-card__badge {
  display: inline-block;
  font-size: .6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .25rem .625rem;
  border-radius: 100px;
  background: hsl(215,85%,95%);
  color: var(--color-primary);
  margin-bottom: .625rem;
}

.product-card__name {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--color-fg);
  margin-bottom: .5rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__desc {
  font-size: .8125rem;
  color: var(--color-fg-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.product-card__footer {
  margin-top: 1rem;
  padding-top: .875rem;
  border-top: 1px solid var(--color-border);
}

.product-card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.product-card__cta svg { width: 16px; height: 16px; transition: transform .2s; }
.product-card:hover .product-card__cta svg { transform: translateX(4px); }

/* =========================================================
   PROJECT SHOWCASE
   ========================================================= */
.project-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .project-grid { grid-template-columns: repeat(3, 1fr); } }

.project-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform .3s, box-shadow .3s;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.project-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.project-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.project-card:hover .project-card__image img { transform: scale(1.08); }

.project-card__body { padding: 1.5rem; background: #fff; }
.project-card__title { font-size: 1.0625rem; font-weight: 700; margin-bottom: .5rem; }
.project-card__desc { font-size: .875rem; color: var(--color-fg-muted); }

/* =========================================================
   CERTIFICATION CARDS
   ========================================================= */
.cert-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .cert-grid { grid-template-columns: repeat(3, 1fr); } }

.cert-card {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.cert-card__icon-wrap {
  width: 80px; height: 80px; border-radius: 50%;
  background: hsl(215,85%,95%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.cert-card__icon-wrap svg { width: 40px; height: 40px; color: var(--color-primary); }
.cert-card__title { font-size: 1.0625rem; font-weight: 700; margin-bottom: .5rem; }
.cert-card__desc { font-size: .875rem; color: var(--color-fg-muted); }

/* =========================================================
   STATS BAR
   ========================================================= */
.stats-bar {
  background: linear-gradient(135deg, var(--color-primary), hsl(215,75%,35%));
  padding-block: 3rem;
}

.stats-grid {
  display: grid; gap: 2rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

.stat-item { text-align: center; color: #fff; }
.stat-item__number {
  font-size: 2.5rem; font-weight: 900; line-height: 1;
  margin-bottom: .375rem;
}
.stat-item__label { font-size: .8125rem; opacity: .85; text-transform: uppercase; letter-spacing: .08em; }

/* =========================================================
   CTA SECTION
   ========================================================= */
.cta-box {
  background: linear-gradient(135deg, var(--color-primary), hsl(215,75%,35%));
  border-radius: var(--border-radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) { .cta-box { padding: 5rem 4rem; } }

.cta-box__icon { margin: 0 auto 1.5rem; opacity: .9; }
.cta-box__icon svg { width: 56px; height: 56px; color: #fff; }
.cta-box__title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: 1rem; color: #fff; }
.cta-box__desc { font-size: 1.0625rem; color: rgba(255,255,255,.88); margin-bottom: 2rem; max-width: 36rem; margin-inline: auto; line-height: 1.7; }
.cta-box__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* =========================================================
   INQUIRY FORM
   ========================================================= */
.inquiry-form-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-fg);
  margin-bottom: .5rem;
}

.form-control {
  width: 100%;
  padding: .75rem 1rem;
  font-size: .9375rem;
  font-family: var(--font-sans);
  color: var(--color-fg);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  appearance: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px hsl(215,85%,80%,.3);
}

.form-control::placeholder { color: var(--color-fg-muted); opacity: .7; }

textarea.form-control { resize: vertical; min-height: 130px; }

.form-grid {
  display: grid; gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .form-grid { grid-template-columns: repeat(2, 1fr); } }

.form-success {
  text-align: center;
  padding: 2.5rem;
  color: var(--color-primary);
}
.form-success svg { width: 56px; height: 56px; color: #16a34a; margin: 0 auto 1rem; }
.form-success h3 { font-size: 1.25rem; margin-bottom: .5rem; }
.form-success p { font-size: .9375rem; color: var(--color-fg-muted); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: linear-gradient(135deg, hsl(215,30%,10%), hsl(215,25%,16%));
  color: rgba(255,255,255,.8);
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer-main { padding-block: 3.5rem; }

.footer-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; } }

.footer-col__heading {
  font-size: .9375rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.125rem;
}

.footer-col__brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: .5rem;
}

.footer-col__tagline {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.footer-social { display: flex; gap: .625rem; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  transition: all .2s;
}
.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-social svg { width: 16px; height: 16px; }

.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .5rem; }
.footer-links a {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  display: flex; align-items: center; gap: .375rem;
  transition: color .2s;
}
.footer-links a::before { content: '→'; font-size: .75rem; opacity: .6; }
.footer-links a:hover { color: var(--color-accent); }

.footer-contact { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .875rem; }
.footer-contact li { display: flex; align-items: flex-start; gap: .625rem; font-size: .875rem; color: rgba(255,255,255,.65); }
.footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--color-accent); margin-top: 2px; }
.footer-contact a { color: rgba(255,255,255,.65); }
.footer-contact a:hover { color: var(--color-accent); }

.footer-newsletter {}
.footer-newsletter p { font-size: .875rem; color: rgba(255,255,255,.65); margin-bottom: .875rem; line-height: 1.6; }

.newsletter-form { display: flex; gap: .5rem; }
.newsletter-input {
  flex: 1; padding: .625rem .875rem;
  font-size: .875rem; font-family: var(--font-sans);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--border-radius);
  color: #fff; outline: none;
  transition: border-color .2s;
}
.newsletter-input::placeholder { color: rgba(255,255,255,.4); }
.newsletter-input:focus { border-color: var(--color-primary); }
.newsletter-btn {
  padding: .625rem 1.125rem;
  background: var(--color-primary);
  border: none; border-radius: var(--border-radius);
  color: #fff; font-size: .875rem; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  transition: background .2s;
}
.newsletter-btn:hover { background: var(--color-primary-dark); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 1.25rem;
}

.footer-bottom .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  font-size: .8125rem;
  color: rgba(255,255,255,.45);
}

@media (min-width: 640px) {
  .footer-bottom .container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { color: rgba(255,255,255,.45); transition: color .2s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,.8); }

/* =========================================================
   PAGE TEMPLATES
   ========================================================= */

/* Page Hero */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary), hsl(215,75%,35%));
  padding-block: 4rem;
  color: #fff;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); color: #fff; margin-bottom: .875rem; }
.page-hero p { font-size: 1.0625rem; color: rgba(255,255,255,.88); max-width: 36rem; margin-inline: auto; }

/* Breadcrumb */
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: .375rem; list-style: none; padding: 0; margin: 0;
  font-size: .8125rem; color: var(--color-fg-muted);
  padding-block: .75rem;
}
.breadcrumb a { color: var(--color-fg-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb__sep { opacity: .5; }

/* Breadcrumb bar */
.breadcrumb-bar { border-bottom: 1px solid var(--color-border); background: var(--color-bg-muted); }

/* Products filter */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding-block: 1.25rem;
}

.filter-tabs { display: flex; flex-wrap: wrap; gap: .5rem; flex: 1; }
.filter-tab {
  padding: .5rem 1rem;
  font-size: .875rem; font-weight: 500;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  background: #fff; color: var(--color-fg);
  cursor: pointer; transition: all .2s;
  text-decoration: none;
}
.filter-tab:hover, .filter-tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.search-box { display: flex; gap: .5rem; }
.search-input {
  padding: .5rem .875rem;
  font-size: .875rem; font-family: var(--font-sans);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  outline: none; min-width: 220px; color: var(--color-fg);
  transition: border-color .2s;
}
.search-input:focus { border-color: var(--color-primary); }

/* Product detail */
.product-detail-layout {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) { .product-detail-layout { grid-template-columns: 1fr 1fr; } }

.product-gallery { display: flex; flex-direction: column; gap: 0; }
.product-gallery__main {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 4/3;        /* 4:3 — shorter than the old 1:1 square */
  max-height: 440px;
  background: #f1f5f9;
  position: relative;
}
.product-gallery__main img { width: 100%; height: 100%; object-fit: contain; display: block; transition: opacity .2s; }

/* Thumbnail strip */
#gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
#gallery-thumbs::-webkit-scrollbar { height: 4px; }
#gallery-thumbs::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
.gn-thumb { flex-shrink: 0; width: 76px; height: 76px; padding: 0; border: 2px solid var(--color-border); border-radius: 8px; overflow: hidden; cursor: pointer; background: none; transition: border-color .15s, transform .1s; }
.gn-thumb:hover { border-color: var(--color-primary-light, #93c5fd); transform: translateY(-1px); }
.gn-thumb--active { border-color: var(--color-primary) !important; }
.gn-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }


.product-info__name { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: .75rem; }
.product-info__meta {
  display: flex; flex-wrap: wrap; gap: .625rem;
  margin-bottom: 1.25rem;
}

.badge {
  display: inline-flex; align-items: center;
  padding: .3rem .75rem;
  font-size: .75rem; font-weight: 600;
  border-radius: 100px;
  background: hsl(215,85%,95%);
  color: var(--color-primary);
}

.trust-badges {
  display: flex; flex-wrap: wrap; gap: 1rem;
  padding: 1rem;
  background: var(--color-bg-muted);
  border-radius: var(--border-radius);
  margin-block: 1.25rem;
}
.trust-badge {
  display: flex; align-items: center; gap: .5rem;
  font-size: .8125rem; font-weight: 500; color: var(--color-fg-muted);
}
.trust-badge svg { width: 18px; height: 18px; color: var(--color-primary); }

/* Tabs */
.tabs { margin-top: 2.5rem; }
.tab-list {
  display: flex; border-bottom: 2px solid var(--color-border);
  gap: 0; overflow-x: auto;
}
.tab-btn {
  padding: .75rem 1.5rem;
  font-size: .9375rem; font-weight: 600;
  background: none; border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-fg-muted);
  cursor: pointer; transition: all .2s;
  white-space: nowrap;
  margin-bottom: -2px;
}
.tab-btn:hover { color: var(--color-primary); }
.tab-btn.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.tab-panel { display: none; padding-top: 1.5rem; }
.tab-panel.is-active { display: block; }

/* Specs table */
.specs-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.specs-table th, .specs-table td {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.specs-table th {
  width: 40%; background: var(--color-bg-muted);
  font-weight: 600; color: var(--color-fg);
  font-size: .8125rem; text-transform: uppercase; letter-spacing: .04em;
}
.specs-table tr:nth-child(even) td { background: var(--color-bg-muted); }
.specs-table tr:hover td { background: hsl(215,20%,95%); }

/* Quick inquiry */
.quick-inquiry {
  background: linear-gradient(135deg, var(--color-primary), hsl(215,75%,35%));
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  color: #fff;
  margin-top: 1.5rem;
}
.quick-inquiry h3 { color: #fff; margin-bottom: .625rem; }
.quick-inquiry p { color: rgba(255,255,255,.85); font-size: .9rem; margin-bottom: 1.25rem; }

/* Related products */
.related-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 768px) { .related-grid { grid-template-columns: repeat(4, 1fr); } }

/* About page */
.about-intro {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) { .about-intro { grid-template-columns: 1fr 1fr; } }

.about-intro__image { border-radius: var(--border-radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-intro__image img { width: 100%; }

.about-intro__content {}
.about-intro__content h2 { font-size: 1.75rem; margin-bottom: 1rem; }
.about-intro__content p { font-size: .9375rem; color: var(--color-fg-muted); margin-bottom: 1rem; line-height: 1.75; }

.check-list { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-direction: column; gap: .625rem; }
.check-list li {
  display: flex; align-items: flex-start; gap: .625rem;
  font-size: .9375rem; color: var(--color-fg);
}
.check-list svg { width: 20px; height: 20px; color: #16a34a; flex-shrink: 0; margin-top: 1px; }

/* Contact page */
.contact-layout {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) { .contact-layout { grid-template-columns: 1fr 1.5fr; } }

.contact-cards { display: flex; flex-direction: column; gap: 1.125rem; }

.contact-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}
.contact-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.contact-card--blue  { border-left: 4px solid #3b82f6; }
.contact-card--green { border-left: 4px solid #22c55e; }
.contact-card--purple{ border-left: 4px solid #a855f7; }
.contact-card--orange{ border-left: 4px solid #f97316; }

.contact-card__icon {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-card--blue  .contact-card__icon { background: #eff6ff; }
.contact-card--green .contact-card__icon { background: #f0fdf4; }
.contact-card--purple.contact-card__icon { background: #faf5ff; }
.contact-card--orange.contact-card__icon { background: #fff7ed; }

.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card--blue  .contact-card__icon svg { color: #3b82f6; }
.contact-card--green .contact-card__icon svg { color: #22c55e; }
.contact-card--purple .contact-card__icon svg { color: #a855f7; }
.contact-card--orange .contact-card__icon svg { color: #f97316; }

.contact-card__label { font-size: .8125rem; color: var(--color-fg-muted); margin-bottom: .25rem; }
.contact-card__value { font-size: .9375rem; font-weight: 600; color: var(--color-fg); }
.contact-card__note  { font-size: .8125rem; color: var(--color-fg-muted); margin-top: .25rem; }

/* =========================================================
   LOADING / SKELETON
   ========================================================= */
.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, hsl(215,20%,92%) 37%, var(--color-border) 63%);
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: var(--border-radius);
}

@keyframes skeleton-shimmer {
  0%   { background-position: 100% 50%; }
  100% { background-position: 0%   50%; }
}

/* =========================================================
   WORDPRESS SPECIFICS
   ========================================================= */
.wp-block-image { margin-block: 1.5rem; }
.aligncenter { text-align: center; }
.alignright { float: right; margin-left: 1.5rem; }
.alignleft  { float: left;  margin-right: 1.5rem; }

.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: .8125rem; color: var(--color-fg-muted); margin-top: .5rem; }

/* Comments */
.comments-area { max-width: 48rem; margin: 3rem auto; }
.comment-list { list-style: none; padding: 0; }

/* =========================================================
   PAGINATION
   ========================================================= */
.pagination {
  display: flex; justify-content: center; gap: .5rem;
  margin-top: 3rem; flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding-inline: .75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: .875rem; font-weight: 500;
  color: var(--color-fg); transition: all .2s;
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* =========================================================
   ACCESSIBILITY & FOCUS
   ========================================================= */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 3px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* =========================================================
   RESPONSIVE HELPERS
   ========================================================= */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
  .section { padding-block: 2.5rem; }
}

@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* =========================================================
   PAGE & SINGLE POST — shared styles
   Same width as product page (uses .container = 1280px max)
   ========================================================= */

/* Page article wrapper */
.gn-page-article {
    max-width: 900px;           /* readable prose width within the full container */
    margin-inline: auto;
}

/* Page title */
.gn-page-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-fg);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

/* Featured / hero image */
.gn-page-hero-img {
    margin-bottom: 2rem;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 16/7;
    background: var(--color-bg-muted);
}
.gn-page-hero-img__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Entry content — rich text from Gutenberg / Classic editor */
.gn-page-content {
    font-size: .9375rem;
    line-height: 1.85;
    color: var(--color-fg-muted);
}
.gn-page-content h2,
.gn-page-content h3,
.gn-page-content h4 {
    color: var(--color-fg);
    margin-top: 2rem;
    margin-bottom: .75rem;
    font-weight: 700;
    line-height: 1.3;
}
.gn-page-content h2 { font-size: 1.5rem; }
.gn-page-content h3 { font-size: 1.25rem; }
.gn-page-content h4 { font-size: 1.0625rem; }
.gn-page-content p  { margin-bottom: 1.25rem; }
.gn-page-content ul,
.gn-page-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.gn-page-content li { margin-bottom: .375rem; }
.gn-page-content a  { color: var(--color-primary); text-decoration: underline; }
.gn-page-content a:hover { text-decoration: none; }
.gn-page-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 1rem 0; }
.gn-page-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--color-bg-muted);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--color-fg);
}
.gn-page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: .875rem;
}
.gn-page-content th,
.gn-page-content td {
    border: 1px solid var(--color-border);
    padding: .625rem 1rem;
    text-align: left;
}
.gn-page-content th {
    background: var(--color-bg-muted);
    font-weight: 600;
    color: var(--color-fg);
}

/* Page pagination (<!--nextpage-->) */
.gn-page-pagination {
    margin-top: 2rem;
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    font-size: .875rem;
}
.gn-page-pagination a,
.gn-page-pagination span {
    padding: .375rem .875rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--color-fg-muted);
}
.gn-page-pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ── Blog single post extras ── */
.gn-post-header { margin-bottom: 1.5rem; }

.gn-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: .8125rem;
    color: var(--color-fg-muted);
    margin-top: .625rem;
    margin-bottom: 1.25rem;
}
.gn-post-meta span { display: flex; align-items: center; gap: .35rem; }

/* Tags */
.gn-post-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    font-size: .8125rem;
    color: var(--color-fg-muted);
}
.gn-tag {
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    padding: .25rem .75rem;
    font-size: .8125rem;
    color: var(--color-fg-muted);
    text-decoration: none;
    transition: border-color .15s, color .15s;
}
.gn-tag:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Prev / Next post navigation */
.gn-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}
@media (max-width: 540px) { .gn-post-nav { grid-template-columns: 1fr; } }

.gn-post-nav__item {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    color: inherit;
    transition: border-color .15s, background .15s;
}
.gn-post-nav__item:hover { border-color: var(--color-primary); background: var(--color-bg-muted); }
.gn-post-nav__item--next { text-align: right; }
.gn-post-nav__label {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-primary);
    font-weight: 600;
}
.gn-post-nav__item--next .gn-post-nav__label { justify-content: flex-end; }
.gn-post-nav__title {
    font-size: .875rem;
    font-weight: 600;
    color: var(--color-fg);
    line-height: 1.4;
}