/* --- MASTER VARIABLES & GLOBAL RESET --- */
:root {
  --primary-blue: #0a4c95;
  --primary-blue-dark: #07376a;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  /* Light Theme (Default) */
  --background-main: #f8f9fa;       /* Light grey page background */
  --background-surface: #ffffff;    /* White for cards, navbar, inputs */
  --text-primary: #343a40;          /* Dark grey for main text */
  --text-secondary: #5a6268;        /* Lighter grey for supporting text */
  --border-color: #dee2e6;          /* Standard border color */
  --hover-color: #e7f0f9;           /* Light blue for hovers */
  --accent-color: var(--primary-blue);
}

/* Dark Theme */
body[data-theme='dark'] {
  --background-main: #12181F;       /* Dark slate-blue background */
  --background-surface: #1A222C;    /* Lighter slate for cards, navbar */
  --text-primary: #E1E9F2;          /* Soft, off-white for main text */
  --text-secondary: #8899A9;        /* Muted grey for supporting text */
  --border-color: #323E4C;          /* Subtle border for dark theme */
  --hover-color: #253140;           /* Darker blue-grey for hovers */
  --accent-color: #388dff;          /* Brighter blue for better contrast */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--background-main);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex-grow: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- NAVBAR --- */
.navbar {
  background: var(--background-surface);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.navbar .logo h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.navbar .nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.navbar .nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease-in-out;
}

.navbar .nav-links a::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--accent-color);
  bottom: -5px;
  left: 0;
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-in-out;
}

.navbar .nav-links a:hover {
  color: var(--accent-color);
}

.navbar .nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.navbar .nav-links a.active {
  color: var(--accent-color);
  font-weight: 700;
}

.navbar .nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* --- Clean Theme Toggle Switch --- */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
}

.theme-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--accent-color);
}

input:focus + .slider {
  box-shadow: 0 0 0 2px var(--background-main), 0 0 0 4px var(--accent-color);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* --- HERO SECTION --- */
.hero {
  height: calc(100vh - 82px);
  position: relative;
  color: #ffffff;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../static/images/building.jpg') no-repeat center center/cover;
}

.hero-content {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
}

.slideshow-container {
  max-width: 900px;
  padding: 0 4rem;
}

.hero-slide h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.hero-slide p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  font-weight: 400;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.cta-button {
  display: inline-block;
  background-color: #ffffff;
  color: var(--primary-blue);
  padding: 0.8rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid #ffffff;
  box-shadow: var(--shadow-sm);
}

.cta-button:hover {
  background-color: transparent;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: auto;
  padding: 1rem;
  color: white;
  font-weight: bold;
  font-size: 1.5rem;
  transition: 0.3s ease;
  border-radius: 50%;
  user-select: none;
  background-color: rgba(0, 0, 0, 0.2);
  line-height: 0;
}

.next {
  right: 1rem;
}

.prev {
  left: 1rem;
}

.prev:hover, .next:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

.fade {
  animation: fade 1.5s ease-in-out;
}

@keyframes fade {
  from { opacity: .4 }
  to { opacity: 1 }
}

/* --- ABOUT PAGE --- */
.about-hero {
  padding: 5rem 0;
  text-align: center;
  background-color: var(--primary-blue-dark);
  color: #ffffff;
}

.about-hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.about-hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
}

.mission-vision-container {
  padding: 5rem 0;
  background-color: var(--background-main);
}

.mission-vision-container .container {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.info-card {
  background: var(--background-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.info-card h2 {
  font-size: 2rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

/* --- PRODUCT PAGE --- */
.product-container {
  padding: 4rem 1rem;
}

.product-quick-nav, .product-category-section {
  max-width: 1200px;
  margin: 0 auto;
}

.product-quick-nav {
  margin-bottom: 4rem;
}

.product-quick-nav .section-title {
  margin-bottom: 2.5rem;
}

.product-search-container {
  margin-bottom: 3.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.product-search-bar {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1.1rem;
  font-family: 'Poppins', sans-serif;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  background-color: var(--background-surface);
  color: var(--text-primary);
}

.product-search-bar:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(10, 76, 149, 0.15);
}

.product-category-section {
  display: none;
  margin-bottom: 4rem;
}

/* Section Header for Title and Back Button */
.section-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: 3.5rem;
}

.section-title {
  grid-column: 2 / 3;
  font-size: 2.8rem;
  color: var(--text-primary);
  font-weight: 700;
  position: relative;
  padding-bottom: 1rem;
  margin: 0;
  text-align: center;
}

.product-quick-nav .section-title {
  grid-column: auto;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

/* Quick Navigation Grid */
.quick-nav-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.nav-box {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--background-surface);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
  transition: all 0.3s ease;
  cursor: pointer;
  flex: 0 1 calc(33.333% - 1.5rem);
  min-width: 300px;
}

.nav-box.hidden {
  display: none;
}

.nav-box:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  background-color: var(--hover-color);
}

.nav-box h3 {
  color: var(--accent-color);
  font-size: 1.6rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.nav-box p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.nav-box-arrow {
  font-size: 1.5rem;
  color: var(--accent-color);
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
}

.nav-box:hover .nav-box-arrow {
  opacity: 1;
  transform: translateX(0);
}

.no-results-message {
  text-align: center;
  padding: 4rem 2rem;
  background-color: var(--background-surface);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-top: 2rem;
}

.no-results-message h3 {
  font-size: 1.8rem;
  color: var(--accent-color);
}

.no-results-message p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Back to Categories Button */
.back-to-categories {
  grid-column: 1 / 2;
  justify-self: start;
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background-color: var(--background-surface);
  border: 2px solid var(--accent-color);
  border-radius: 50px;
  color: var(--accent-color);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  margin: 0;
}

.back-to-categories:hover {
  background-color: var(--accent-color);
  color: var(--background-surface);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Attractive Image Showcase */
.showcase-image-container {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.showcase-image-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15), 0 6px 6px rgba(0,0,0,0.1);
}

.showcase-image-container img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.showcase-image-container:hover img {
  transform: scale(1.05);
}

.showcase-image-container::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.showcase-image-container:hover::after {
  opacity: 1;
}

/* === ACCORDION LAYOUT === */
.product-accordion-container {
  max-width: 1200px;
  margin: 0 auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-item:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.5rem 2rem;
  background-color: var(--background-surface);
  border: none;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: background-color 0.3s ease;
}

.accordion-header:hover {
  background-color: var(--hover-color);
}

.accordion-icon {
  position: relative;
  width: 20px;
  height: 20px;
  transition: transform 0.4s ease;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 2px;
  background-color: var(--accent-color);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-header.active .accordion-icon::after {
  opacity: 0;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--background-main);
}

.accordion-product-list {
  list-style: none;
  padding: 1.5rem 2rem 2rem 2rem;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.accordion-product-list li {
  padding: 1rem 1.5rem;
  background: var(--background-surface);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.accordion-product-list h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 0.25rem;
}

.accordion-product-list p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === INTERACTIVE PRODUCT ITEM STYLES === */
.interactive-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.interactive-item {
  position: relative;
  background: var(--background-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  overflow: hidden;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.interactive-item:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.item-text {
  opacity: 1;
  transition: opacity 0.2s ease-in-out;
}

.item-text h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.item-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.item-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.interactive-item:hover .item-text {
  opacity: 0;
}

.interactive-item:hover .item-image {
  opacity: 1;
  transform: scale(1);
}

body[data-theme='dark'] .item-image img {
  filter: brightness(0.9) saturate(0.9);
}

/* --- ENQUIRY PAGE --- */
.enquiry-section {
  padding: 5rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.enquiry-container {
  max-width: 800px;
  width: 100%;
  background: var(--background-surface);
  padding: 3rem;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.enquiry-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.enquiry-header h1 {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.enquiry-form .form-row {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.enquiry-form .form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.enquiry-form label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.enquiry-form input,
.enquiry-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-color: var(--background-surface);
  color: var(--text-primary);
}

.enquiry-form input:focus,
.enquiry-form textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(10, 76, 149, 0.15);
}

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

.submit-button {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--background-surface);
  padding: 0.8rem 2.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  width: 100%;
  font-size: 1.1rem;
}

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

body[data-theme='dark'] .submit-button:hover {
  filter: brightness(1.1);
}

/* --- ENHANCED FOOTER --- */
.site-footer {
  background-color: #343a40;
  color: #e9ecef;
  padding: 3rem 0 0 0;
  line-height: 1.8;
  margin-top: auto;
}

body[data-theme='dark'] .site-footer {
  background-color: #0D1116;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.footer-column {
  flex: 1;
  min-width: 250px;
}

.footer-column h3 {
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-color);
  display: inline-block;
}

.footer-column p {
  margin-bottom: 0.5rem;
  color: #ced4da;
}

.footer-column a {
  color: #ced4da;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column a:hover {
  color: #ffffff;
}

.links-column ul {
  list-style: none;
  padding: 0;
}

.links-column li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem 0;
  margin-top: 2rem;
  border-top: 1px solid #495057;
}

body[data-theme='dark'] .footer-bottom {
  border-top-color: var(--border-color);
}

/* --- HAMBURGER MENU STYLES --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2.2rem;
  height: 1.8rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1010;
  position: relative;
  transition: all 0.3s ease;
}

.hamburger span {
  width: 100%;
  height: 0.2rem;
  background: var(--accent-color);
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  position: relative;
  transform-origin: center;
}

.hamburger span:nth-child(1) {
  transform: translateY(-0.6rem);
}

.hamburger span:nth-child(3) {
  transform: translateY(0.6rem);
}

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

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-20px);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

.hamburger:hover span {
  background: var(--primary-blue-dark);
}

body[data-theme='dark'] .hamburger span {
  background: var(--accent-color);
}

body[data-theme='dark'] .hamburger:hover span {
  background: #5a9eff;
}

/* --- MOBILE NAVIGATION --- */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-controls {
    position: fixed;
    top: 67px;
    right: 0;
    width: 75%;
    max-width: 300px;
    height: calc(100vh - 67px);
    background: var(--background-surface);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.2);
    padding-top: 2rem;
  }

  .nav-controls.active {
    transform: translateX(0);
  }

  .nav-controls .nav-links {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    text-align: center;
    padding: 1rem 0;
  }

  .nav-controls .nav-links li {
    width: 100%;
  }

  .nav-controls .nav-links a {
    padding: 1rem;
    width: 100%;
    display: block;
    font-size: 1.2rem;
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

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

  .navbar .nav-links a::after {
    display: none;
  }

  .navbar {
    flex-direction: row;
    justify-content: space-between;
    padding: 1rem;
  }

  .theme-switch-wrapper {
    margin-left: auto;
    margin-top: 1rem;
  }

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

  .hero-slide p {
    font-size: 1.1rem;
  }

  .slideshow-container {
    padding: 0 1rem;
  }

  .prev, .next {
    display: none;
  }

  .product-container,
  .about-hero,
  .mission-vision-container,
  .enquiry-section {
    padding: 3rem 1rem;
  }

  .accordion-header {
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
  }

  .accordion-product-list {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
  }

  .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .nav-box {
    flex: 1 1 100%;
  }

  .interactive-product-grid {
    grid-template-columns: 1fr;
  }

  .enquiry-form .form-row {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}

/* --- FORM VALIDATION STYLES (THEME-AWARE) --- */
.enquiry-form input:valid,
.enquiry-form textarea:valid {
  border-color: #28a745;
}

.enquiry-form input:invalid,
.enquiry-form textarea:invalid {
  border-color: #dc3545;
}

.enquiry-form input:focus:placeholder-shown,
.enquiry-form textarea:focus:placeholder-shown {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(10, 76, 149, 0.15);
}

.enquiry-form input:placeholder-shown,
.enquiry-form textarea:placeholder-shown {
  border-color: var(--border-color);
}

/* --- CLICK-TO-COPY FEATURE --- */
.copy-button {
  background: transparent;
  border: none;
  margin: 0;
  padding: 0;
  font: inherit;
  color: #ced4da;
  cursor: pointer;
  text-align: left;
  position: relative;
  transition: color 0.3s;
}

.copy-button:hover {
  color: #ffffff;
}

.copy-button::after {
  content: 'Click to copy';
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #2c3e50;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  pointer-events: none;
}

.copy-button:hover::after {
  opacity: 1;
  visibility: visible;
}

.copy-button.copied::after {
  content: 'Copied!';
  background-color: #28a745;
  opacity: 1;
  visibility: visible;
}

/* --- Brands Showcase Section --- */
.brands-showcase-section {
  max-width: 1200px;
  margin: 6rem auto 4rem auto;
  color: var(--text-primary);
}

.brands-logo-grid-container {
  background-color: var(--background-surface);
  padding: 3rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.brands-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  align-items: center;
  gap: 2rem;
}

.brand-logo-item {
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand-logo-item img {
  max-height: 55px;
  width: auto;
  opacity: 0.85;
  transition: all 0.3s ease;
  filter: none;
}

/* Subtle hover effect on logos */
.brand-logo-item:hover img {
  opacity: 1;
  transform: scale(1.1);
}

/* Dark mode image brightness adjustment */
body[data-theme='dark'] .brand-logo-item img {
  filter: brightness(0.9) saturate(0.9);
}