/* ===== 清泉养老 style.css ===== */
/* 湖南省清泉养老服务有限公司 - hnqqky.com */
/* 版本: 1.0 | 最后更新: 2025-03-15 */

/* ===== CSS Variables (Light & Dark) ===== */
:root {
  --color-primary: #2c6e49;
  --color-primary-dark: #1b4d32;
  --color-primary-light: #4caf50;
  --color-primary-bg: #e8f5e9;
  --color-accent: #66bb6a;
  --color-bg: #f5f7f5;
  --color-bg-alt: #f0f7f0;
  --color-white: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #555555;
  --color-text-muted: #666666;
  --color-text-light: #888888;
  --color-border: #e0e8e0;
  --color-card-bg: #ffffff;
  --color-card-shadow: rgba(0, 0, 0, 0.06);
  --color-header-bg: #ffffff;
  --color-footer-bg: #1b4d32;
  --color-footer-text: #d0e0d0;
  --color-footer-link: #b0d0b0;
  --color-overlay: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --gradient-hero: linear-gradient(135deg, #2c6e49 0%, #1b4d32 100%);
  --gradient-card: linear-gradient(145deg, #ffffff, #f0f7f0);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition-speed: 0.3s;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
  --border-radius-full: 50px;
  --max-width: 1200px;
  --header-height: 70px;
}

/* Dark Mode */
body.dark {
  --color-primary: #7cb87c;
  --color-primary-dark: #5a9e5a;
  --color-primary-light: #8bc34a;
  --color-primary-bg: #2a3a2a;
  --color-bg: #1a1a1a;
  --color-bg-alt: #222222;
  --color-white: #2a2a2a;
  --color-text: #dddddd;
  --color-text-secondary: #bbbbbb;
  --color-text-muted: #999999;
  --color-text-light: #777777;
  --color-border: #444444;
  --color-card-bg: #2a2a2a;
  --color-card-shadow: rgba(0, 0, 0, 0.3);
  --color-header-bg: #222222;
  --glass-bg: rgba(30, 30, 30, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --gradient-hero: linear-gradient(135deg, #1a3a2a 0%, #0f2a1a 100%);
  --gradient-card: linear-gradient(145deg, #2a2a2a, #1e2e1e);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition-speed), color var(--transition-speed);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

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

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

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header & Navigation ===== */
.site-header {
  background: var(--color-header-bg);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-speed);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

body.dark .site-header {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo svg {
  width: 180px;
  height: 50px;
  transition: transform var(--transition-speed);
}

.logo:hover svg {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  gap: 24px;
}

.nav-menu a {
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-speed), color var(--transition-speed);
  color: var(--color-text);
  font-size: 0.95rem;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-speed);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 28px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-speed);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  padding: 12px 0;
  background: var(--color-bg-alt);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb span {
  color: var(--color-text-light);
  margin: 0 6px;
}

/* ===== Hero Banner (Glass effect) ===== */
.hero {
  background: var(--gradient-hero);
  color: var(--color-white);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255,255,255,0.05)' d='M0,96L48,112C96,128,192,160,288,176C384,192,480,192,576,176C672,160,768,128,864,128C960,128,1056,160,1152,176C1248,192,1344,192,1392,192L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(10%, 10%);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  letter-spacing: 1px;
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 30px;
  opacity: 0.92;
  line-height: 1.8;
}

.hero .btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Glassmorphism button style */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: 1.05rem;
  transition: all var(--transition-speed);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: var(--color-primary-bg);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

body.dark .section-title h2 {
  color: var(--color-primary);
}

.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  margin: 12px auto 0;
  border-radius: 2px;
  transition: width var(--transition-speed);
}

.section-title:hover h2::after {
  width: 100px;
}

.section-title p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.bg-white {
  background: var(--color-white);
}

.bg-light {
  background: var(--color-bg-alt);
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.about-image svg {
  width: 100%;
  border-radius: var(--border-radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.about-image:hover svg {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* ===== Stats Section ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
  margin: 40px 0;
}

.stat-item {
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-speed);
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-item h3 {
  font-size: 2.8rem;
  color: var(--color-primary);
  margin-bottom: 6px;
  font-weight: 700;
}

.stat-item p {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 1rem;
}

/* ===== Services (Glass Cards) ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: 35px 25px;
  text-align: center;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-speed);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card);
  opacity: 0.5;
  z-index: 0;
  transition: opacity var(--transition-speed);
}

body.dark .service-card::before {
  background: linear-gradient(145deg, #2a2a2a, #1e2e1e);
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--color-primary);
}

.service-card:hover::before {
  opacity: 0.8;
}

.service-card svg {
  width: 70px;
  height: 70px;
  margin-bottom: 18px;
  transition: transform var(--transition-speed);
}

.service-card:hover svg {
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  font-weight: 600;
}

body.dark .service-card h3 {
  color: var(--color-primary);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Solutions ===== */
.solutions-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

.solution-item {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 25px;
  border-radius: var(--border-radius-md);
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-speed);
  border: 1px solid var(--glass-border);
}

.solution-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-left-width: 6px;
}

.solution-item h3 {
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  font-size: 1.15rem;
}

body.dark .solution-item h3 {
  color: var(--color-primary);
}

.solution-item p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Cases ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.case-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-speed);
  border: 1px solid var(--glass-border);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.case-card .case-body {
  padding: 25px;
}

.case-card h3 {
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  font-size: 1.2rem;
}

body.dark .case-card h3 {
  color: var(--color-primary);
}

.case-card .case-meta {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.case-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Testimonials ===== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 30px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  position: relative;
  border: 1px solid var(--glass-border);
  transition: all var(--transition-speed);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.testimonial-card::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.15;
  position: absolute;
  top: 10px;
  left: 15px;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card p {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  line-height: 1.8;
}

.testimonial-card .author {
  font-weight: 600;
  color: var(--color-primary-dark);
}

body.dark .testimonial-card .author {
  color: var(--color-primary);
}

/* ===== Articles ===== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.article-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-speed);
  border: 1px solid var(--glass-border);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.article-card .article-body {
  padding: 22px;
}

.article-card .article-date {
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.article-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  font-weight: 600;
  line-height: 1.5;
}

body.dark .article-card h3 {
  color: var(--color-primary);
}

.article-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 12px;
  line-height: 1.7;
}

.article-card .read-more {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap var(--transition-speed);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-card .read-more:hover {
  gap: 8px;
}

/* Search Box */
.search-box {
  display: flex;
  gap: 8px;
  max-width: 500px;
  margin: 0 auto 30px;
}

.search-box input {
  flex: 1;
  padding: 12px 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-full);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
  background: var(--color-white);
  color: var(--color-text);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 110, 73, 0.15);
}

.search-box button {
  padding: 12px 24px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  font-weight: 600;
  transition: background var(--transition-speed), transform var(--transition-speed);
}

.search-box button:hover {
  background: var(--color-primary-dark);
  transform: scale(1.02);
}

/* ===== FAQ (Accordion) ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition-speed);
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: rgba(248, 251, 248, 0.8);
  transition: background var(--transition-speed);
  user-select: none;
}

body.dark .faq-question {
  color: var(--color-primary);
  background: rgba(50, 50, 50, 0.8);
}

.faq-question:hover {
  background: rgba(238, 245, 238, 0.9);
}

body.dark .faq-question:hover {
  background: rgba(60, 60, 60, 0.9);
}

.faq-question .icon {
  font-size: 1.4rem;
  transition: transform var(--transition-speed);
  color: var(--color-primary);
  font-weight: 300;
}

.faq-item.open .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 22px 18px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  display: none;
  animation: fadeInDown 0.3s ease;
}

.faq-item.open .faq-answer {
  display: block;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== HowTo ===== */
.howto-section {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  margin-top: 30px;
  border: 1px solid var(--glass-border);
}

.howto-section h3 {
  color: var(--color-primary-dark);
  margin-bottom: 20px;
  font-size: 1.5rem;
}

body.dark .howto-section h3 {
  color: var(--color-primary);
}

.howto-step {
  display: flex;
  gap: 20px;
  margin-bottom: 18px;
  align-items: flex-start;
}

.howto-step .step-num {
  background: var(--color-primary);
  color: var(--color-white);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1rem;
  transition: transform var(--transition-speed);
}

.howto-step:hover .step-num {
  transform: scale(1.1);
}

.howto-step .step-content h4 {
  color: var(--color-primary-dark);
  margin-bottom: 4px;
  font-size: 1.1rem;
}

body.dark .howto-step .step-content h4 {
  color: var(--color-primary);
}

.howto-step .step-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info p {
  margin-bottom: 14px;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-secondary);
}

.contact-info strong {
  color: var(--color-primary-dark);
  min-width: 100px;
  font-weight: 600;
}

body.dark .contact-info strong {
  color: var(--color-primary);
}

.contact-map svg {
  width: 100%;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.contact-map:hover svg {
  transform: scale(1.01);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 50px 0 20px;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary), var(--color-primary-dark));
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: 16px;
  font-size: 1.1rem;
  font-weight: 600;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-primary-light);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--color-footer-link);
  transition: color var(--transition-speed), padding-left var(--transition-speed);
  display: inline-block;
}

.footer-col a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.footer-bottom p {
  margin-bottom: 6px;
  opacity: 0.8;
}

/* ===== Site Map & Links ===== */
.page-map {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.page-map a {
  color: var(--color-primary);
  font-size: 0.95rem;
  padding: 6px 10px;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-speed), color var(--transition-speed);
}

.page-map a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
}

.links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.links-grid a {
  background: var(--color-primary-bg);
  padding: 8px 20px;
  border-radius: var(--border-radius-full);
  color: var(--color-primary);
  font-size: 0.9rem;
  transition: all var(--transition-speed);
}

.links-grid a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: all var(--transition-speed);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* ===== Dark Mode Toggle ===== */
.dark-mode-toggle {
  position: fixed;
  bottom: 90px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--color-text);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* ===== Scroll Animation (Fade In) ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Counter Animation ===== */
.counter {
  display: inline-block;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
  .container {
    padding: 0 15px;
  }
}

@media (max-width: 992px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }

  .articles-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-header-bg);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    gap: 12px;
    border-top: 1px solid var(--color-border);
  }

  .nav-menu.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 70px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .solutions-list {
    grid-template-columns: 1fr;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .page-map {
    grid-template-columns: 1fr 1fr;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    margin-bottom: 30px;
  }

  .howto-section {
    padding: 25px;
  }

  .back-to-top {
    width: 42px;
    height: 42px;
    font-size: 1.3rem;
    bottom: 20px;
    right: 20px;
  }

  .dark-mode-toggle {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    bottom: 72px;
    right: 20px;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .btn {
    padding: 12px 28px;
    font-size: 0.95rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .page-map {
    grid-template-columns: 1fr;
  }

  .search-box {
    flex-direction: column;
  }

  .search-box input {
    width: 100%;
  }

  .search-box button {
    width: 100%;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  .hero {
    padding: 50px 0;
  }

  .hero h1 {
    font-size: 1.4rem;
  }

  .logo svg {
    width: 140px;
    height: 40px;
  }
}

/* ===== Print Styles ===== */
@media print {
  .site-header,
  .back-to-top,
  .dark-mode-toggle,
  .menu-toggle,
  .breadcrumb,
  .search-box,
  .site-footer {
    display: none !important;
  }

  .hero {
    padding: 40px 0;
    background: #2c6e49 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .section {
    padding: 30px 0;
    page-break-inside: avoid;
  }

  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

/* ===== End of style.css ===== */