/* 
  庄澜智能 (Zhuanglan Drive) - 门户网站全局样式设计系统
  Aesthetics: High-end Tech Blue, Smooth Transitions, Glassmorphism, Micro-animations
*/

:root {
  /* Color Palette */
  --primary-color: #1e50ae;
  --primary-gradient: linear-gradient(135deg, #1e50ae 0%, #512da7 100%);
  --accent-color: #3b82f6;
  --accent-purple: #8b5cf6;
  
  /* Light Theme Variables */
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --border-color: #e2e8f0;
  --shadow-color: rgba(30, 80, 174, 0.08);
  --shadow-hover: rgba(30, 80, 174, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);

  /* Dark Theme Variables */
  --bg-color-dark: #0f172a;
  --card-bg-dark: #1e293b;
  --text-primary-dark: #f8fafc;
  --text-secondary-dark: #94a3b8;
  --border-color-dark: #334155;
  --shadow-color-dark: rgba(0, 0, 0, 0.3);
  --shadow-hover-dark: rgba(0, 0, 0, 0.5);
  --glass-bg-dark: rgba(15, 23, 42, 0.85);
  --glass-border-dark: rgba(255, 255, 255, 0.08);
  
  /* Fonts & Spacing */
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Dark Mode Overrides */
[data-theme="dark"] {
  --bg-color: var(--bg-color-dark);
  --card-bg: var(--card-bg-dark);
  --text-primary: var(--text-primary-dark);
  --text-secondary: var(--text-secondary-dark);
  --border-color: var(--border-color-dark);
  --shadow-color: var(--shadow-color-dark);
  --shadow-hover: var(--shadow-hover-dark);
  --glass-bg: var(--glass-bg-dark);
  --glass-border: var(--glass-border-dark);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition-smooth);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

ul {
  list-style: none;
}

/* Header & Navigation Bar (Glassmorphic) */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
}

header.scrolled {
  padding: 5px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.4rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-img {
  height: 40px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 5px 0;
}

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

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

[data-theme="dark"] .nav-links a.active,
[data-theme="dark"] .nav-links a:hover {
  color: var(--accent-color);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* Theme Switcher */
.theme-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--border-color);
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  transform: scale(1.1);
  background-color: var(--primary-color);
  color: #ffffff;
}

/* Mobile Hamburger Menu */
.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
  height: 80vh;
  min-height: 550px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  color: #ffffff;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 80, 174, 0.7) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  text-align: center;
  padding: 0 20px;
}

.hero h2 {
  font-size: 1.25rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 15px;
  opacity: 0.9;
  font-weight: 300;
  animation: fadeInUp 0.8s ease forwards;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 25px;
  line-height: 1.2;
  animation: fadeInUp 1s ease 0.2s forwards;
  background: linear-gradient(to right, #ffffff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 35px auto;
  opacity: 0.85;
  animation: fadeInUp 1s ease 0.4s forwards;
}

.hero-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  animation: fadeInUp 1s ease 0.6s forwards;
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-bounce);
  border: none;
  gap: 10px;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(30, 80, 174, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(30, 80, 174, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  backdrop-filter: blur(5px);
}

.btn-secondary:hover {
  background: #ffffff;
  color: var(--primary-color);
  transform: translateY(-3px);
  border-color: #ffffff;
}

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

.btn-outline:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-3px);
}

/* Section Common Styles */
section {
  padding: 80px 20px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 800;
  display: inline-block;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 10px;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 300;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 4px;
  background: var(--primary-gradient);
  margin: 15px auto 0 auto;
  border-radius: 2px;
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

/* Custom Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: var(--transition-bounce);
  position: relative;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--shadow-hover);
  border-color: var(--accent-color);
}

.card-img-wrapper {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background-color: #f1f5f9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-img {
  max-height: 90%;
  max-width: 90%;
  object-fit: contain;
  transition: var(--transition-smooth);
}

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

.card-tag {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--primary-gradient);
  color: #ffffff;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  z-index: 10;
}

.card-body {
  padding: 25px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Feature/Categories Block */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.feature-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  transition: var(--transition-bounce);
  box-shadow: 0 4px 20px var(--shadow-color);
}

.feature-box:hover {
  transform: translateY(-8px);
  border-color: var(--accent-purple);
  box-shadow: 0 20px 40px var(--shadow-hover);
}

.feature-icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px auto;
  background: linear-gradient(135deg, rgba(30, 80, 174, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 2rem;
  transition: var(--transition-smooth);
}

[data-theme="dark"] .feature-icon-wrapper {
  color: var(--accent-color);
}

.feature-box:hover .feature-icon-wrapper {
  background: var(--primary-gradient);
  color: #ffffff;
  transform: rotateY(180deg);
}

/* News List Layout (Industry Insights) */
.news-summary-section {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 80px 20px;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.news-card-horizontal {
  display: flex;
  gap: 25px;
  padding: 25px;
  border-radius: 16px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.news-card-horizontal:hover {
  box-shadow: 0 10px 25px var(--shadow-hover);
  border-color: var(--accent-color);
}

.news-date-badge {
  flex-shrink: 0;
  width: 70px;
  height: 80px;
  border-radius: 12px;
  background: var(--primary-gradient);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 6px 12px rgba(30, 80, 174, 0.2);
}

.news-date-day {
  font-size: 1.5rem;
  line-height: 1.1;
}

.news-date-year {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 4px;
}

.news-h-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-h-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.news-h-title:hover {
  color: var(--primary-color);
}

.news-h-summary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* About Block on Home Page */
.home-about-wrapper {
  display: flex;
  align-items: center;
  gap: 50px;
}

.home-about-content {
  flex: 1;
}

.home-about-content h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.home-about-content p {
  color: var(--text-secondary);
  margin-bottom: 25px;
  font-size: 1.05rem;
}

.home-about-img {
  flex: 1;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px var(--shadow-color);
  border: 1px solid var(--border-color);
}

.home-about-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-smooth);
}

.home-about-img:hover img {
  transform: scale(1.03);
}

/* Footer Section */
footer {
  background-color: #0f172a;
  color: #e2e8f0;
  padding: 70px 20px 30px 20px;
  border-top: 1px solid #1e293b;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(to right, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-brand p {
  color: #94a3b8;
  margin-bottom: 20px;
  max-width: 350px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #ffffff;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: #60a5fa;
  transform: translateX(5px);
}

.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer-contact li {
  display: flex;
  gap: 12px;
  color: #94a3b8;
}

.footer-contact i {
  color: #60a5fa;
  margin-top: 4px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #64748b;
  font-size: 0.9rem;
}

/* Products Catalog Filtering Styles */
.catalog-filters {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.filter-btn.active, 
.filter-btn:hover {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 15px rgba(30, 80, 174, 0.2);
}

/* Modal Window Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  max-width: 750px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  padding: 40px;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--border-color);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  background: #ef4444;
  color: #ffffff;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-color);
}

.modal-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.modal-content-grid img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.modal-details h4 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.modal-details p {
  color: var(--text-secondary);
  margin-bottom: 15px;
  font-size: 0.95rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
  font-size: 0.9rem;
}

.spec-table th, 
.spec-table td {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.spec-table th {
  background-color: var(--bg-color);
  font-weight: 600;
}

/* Document & Search Support */
.search-box-wrapper {
  max-width: 500px;
  margin: 0 auto 50px auto;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 15px 25px 15px 50px;
  border-radius: 30px;
  border: 1.5px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
  box-shadow: 0 4px 15px var(--shadow-color);
  transition: var(--transition-smooth);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 10px 25px var(--shadow-hover);
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.doc-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.doc-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 30px;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 10px var(--shadow-color);
}

.doc-item:hover {
  transform: translateX(5px);
  border-color: var(--accent-color);
  box-shadow: 0 10px 20px var(--shadow-hover);
}

.doc-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.doc-icon {
  font-size: 2.2rem;
  color: #ef4444; /* PDF color */
}

.doc-name {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.doc-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Contact Page Form styling */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-card-info {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.contact-card-info h3 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  font-weight: 700;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.contact-detail-item {
  display: flex;
  gap: 15px;
}

.contact-detail-icon {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(30, 80, 174, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  flex-shrink: 0;
}

.contact-detail-title {
  font-weight: 600;
  margin-bottom: 3px;
}

.contact-detail-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-form-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.contact-form-wrapper h3 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  font-weight: 700;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1.5px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  background: var(--card-bg);
  box-shadow: 0 0 0 3px rgba(30, 80, 174, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 20px 0;
    gap: 15px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

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

  .home-about-wrapper, 
  .contact-layout {
    flex-direction: column-reverse;
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero-btns {
    flex-direction: column;
    gap: 10px;
  }
  .modal-content-grid {
    grid-template-columns: 1fr;
  }
  .doc-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  .doc-info {
    align-items: flex-start;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}