/*
Theme Name: GX Smart Life Theme
Theme URI: https://gx-smartlife.com/
Author: GX Smart Life Development Team
Author URI: https://gx-smartlife.com/
Description: Custom WordPress theme for GX Smart Life - renewable energy and solar installation company in Chiba Prefecture, Japan. Features responsive design, Swiper carousel, and comprehensive company profile integration.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gx-smartlife
Tags: responsive-layout, custom-header, custom-menu, featured-images, threaded-comments, translation-ready, japanese
*/

/* ==========================================
   CSS Variables & Custom Properties
   ========================================== */
:root {
  /* Primary Brand Colors */
  --color-primary-blue: #337ab7;
  --color-dark-blue: #296292;
  --color-vivid-blue: #3886c9;

  /* Accent Colors */
  --color-red: #cf2e2e;
  --color-orange: #ff6900;
  --color-green: #00d084;
  --color-purple: #9b51e0;

  /* Neutrals */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gray: #abb8c3;
  --color-dark-gray: #32373c;

  /* Typography Sizes */
  --font-size-small: 0.875rem;
  --font-size-medium: 1.25rem;
  --font-size-large: 1.5rem;
  --font-size-xlarge: 2.625rem;
  --font-size-huge: 2.25rem;

  /* Spacing Scale */
  --spacing-xs: 0.75rem;
  --spacing-sm: 1.5rem;
  --spacing-md: 2.4rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-block-gap: 24px;

  /* Breakpoints */
  --breakpoint-mobile: 599px;
  --breakpoint-tablet: 781px;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: var(--color-black);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-dark-blue);
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 1rem;
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: var(--font-size-xlarge);
}

h2 {
  font-size: var(--font-size-huge);
  text-shadow: var(--color-black) 0 0 10px;
}

h3 {
  font-size: var(--font-size-large);
  text-shadow: var(--color-black) 0 0 10px;
}

h4, h5 {
  font-size: var(--font-size-medium);
  text-shadow: var(--color-black) 0 0 10px;
}

h6 {
  font-size: 1rem;
}

p {
  margin: 0 0 1rem;
}

/* ==========================================
   Layout Container
   ========================================== */
.site-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

@media (max-width: 599px) {
  .site-container {
    padding: 0 !important;
  }
}

/* ==========================================
   Header
   ========================================== */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid #e5e5e5;
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.site-logo img {
  max-height: 60px;
  width: auto;
}

/* Navigation */
.main-navigation {
  display: flex;
  align-items: center;
}

.main-navigation ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--spacing-sm);
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  color: var(--color-black);
  padding: 0.5rem 1rem;
  display: block;
  font-weight: 500;
}

.main-navigation a:hover {
  color: var(--color-primary-blue);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: var(--color-dark-gray);
  color: var(--color-white);
  border: none;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-size: 1rem;
  border-radius: 4px;
}

@media (max-width: 781px) {
  .menu-toggle {
    display: block;
  }

  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  .main-navigation.toggled {
    max-height: 500px;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-sm);
  }

  .main-navigation a {
    border-bottom: 1px solid #e5e5e5;
  }
}

/* ==========================================
   Buttons & CTAs
   ========================================== */
.btn,
.wp-block-button__link {
  background-color: var(--color-dark-gray);
  color: var(--color-white);
  padding: calc(0.667em + 2px) calc(1.333em + 2px);
  border: none;
  border-radius: 4px;
  display: inline-block;
  text-align: center;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-decoration: none;
}

.btn:hover,
.wp-block-button__link:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary-blue);
  color: var(--color-primary-blue);
}

.btn-outline:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
}

/* ==========================================
   Main Content Area
   ========================================== */
.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-sm);
}

.content-area {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--spacing-lg);
}

@media (max-width: 781px) {
  .content-area {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   Sidebar
   ========================================== */
.sidebar {
  padding: var(--spacing-sm);
}

.widget {
  background: #f9f9f9;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.widget-title {
  font-size: var(--font-size-medium);
  margin-bottom: var(--spacing-sm);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary-blue);
}

.widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #e5e5e5;
}

.widget li:last-child {
  border-bottom: none;
}

/* Company Profile Widget */
.company-profile-widget {
  text-align: center;
}

.company-profile-widget img {
  margin: 0 auto var(--spacing-sm);
  border-radius: 8px;
}

.company-profile-widget .company-name {
  font-weight: 700;
  font-size: var(--font-size-medium);
  margin-bottom: 0.5rem;
}

.company-profile-widget .contact-info {
  margin: var(--spacing-sm) 0;
  font-size: var(--font-size-small);
}

.company-profile-widget .contact-info a {
  color: var(--color-primary-blue);
  font-weight: 600;
}

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: var(--spacing-sm) 0;
}

.social-links a {
  font-size: 1.5rem;
  color: var(--color-gray);
  transition: color 0.3s ease;
}

.social-links a:hover {
  color: var(--color-primary-blue);
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
  background-color: var(--color-dark-gray);
  color: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--color-white);
  font-size: var(--font-size-medium);
  margin-bottom: var(--spacing-sm);
  text-shadow: none;
}

.footer-section p,
.footer-section a {
  color: #e5e5e5;
  font-size: var(--font-size-small);
}

.footer-section a:hover {
  color: var(--color-white);
}

.footer-credentials {
  font-size: 0.8rem;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--font-size-small);
}

/* ==========================================
   Grid System
   ========================================== */
.wp-block-columns {
  display: grid;
  gap: var(--spacing-block-gap);
}

.vk-cols--fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-block-gap);
}

/* ==========================================
   Cards
   ========================================== */
.card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.card-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-sm);
}

.card-title {
  font-size: var(--font-size-medium);
  margin-bottom: 0.5rem;
}

.card-excerpt {
  font-size: var(--font-size-small);
  color: #666;
  margin-bottom: var(--spacing-sm);
}

.card-meta {
  font-size: 0.75rem;
  color: var(--color-gray);
  display: flex;
  gap: 1rem;
}

/* ==========================================
   Posts & Archives
   ========================================== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.post-card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.post-thumbnail img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.post-content {
  padding: var(--spacing-sm);
}

.post-title {
  font-size: var(--font-size-medium);
  margin-bottom: 0.5rem;
}

.post-date {
  font-size: var(--font-size-small);
  color: var(--color-gray);
  margin-bottom: 0.5rem;
}

.post-excerpt {
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-sm);
}

.read-more {
  color: var(--color-primary-blue);
  font-weight: 600;
  font-size: var(--font-size-small);
}

/* ==========================================
   Single Post
   ========================================== */
.single-post-header {
  margin-bottom: var(--spacing-lg);
}

.single-post-title {
  font-size: var(--font-size-xlarge);
  margin-bottom: 0.5rem;
}

.single-post-meta {
  color: var(--color-gray);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-sm);
}

.single-post-content {
  line-height: 1.8;
  font-size: 1.05rem;
}

.single-post-content img {
  margin: var(--spacing-sm) 0;
  border-radius: 8px;
}

/* ==========================================
   Search
   ========================================== */
.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
}

.search-field {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.search-submit {
  background: var(--color-primary-blue);
  color: var(--color-white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

.search-submit:hover {
  background: var(--color-dark-blue);
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.hidden {
  display: none;
}

/* ==========================================
   Responsive Utilities
   ========================================== */
@media (max-width: 599px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 600px) {
  .show-mobile {
    display: none;
  }
}