/* ==========================================================================
   APTA - Corporate Tech Design System (Frontend)
   Palette: Deep Navy (#0A1E3F), Brand Blue (#0052CC), Cyan Accent (#38BDF8),
   Surface (#FFFFFF), Border (#E2E8F0), Body BG (#F8FAFC)
   Typography: Prompt (Thai/Headings), Inter (English/UI)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
  --corporate-navy: #0A1E3F;
  --corporate-navy-dark: #07152B;
  --corporate-navy-light: #162E5A;
  --corporate-blue: #0052CC;
  --corporate-blue-hover: #003E99;
  --corporate-blue-light: #EBF3FF;
  --corporate-cyan: #38BDF8;
  --corporate-bg: #F8FAFC;
  --corporate-surface: #FFFFFF;
  --corporate-border: #E2E8F0;
  --corporate-border-hover: #CBD5E1;
  --corporate-text-dark: #0F172A;
  --corporate-text-body: #334155;
  --corporate-text-muted: #64748B;
  --corporate-shadow-sm: 0 1px 3px rgba(10, 30, 63, 0.05);
  --corporate-shadow-md: 0 4px 16px rgba(10, 30, 63, 0.08);
  --corporate-shadow-lg: 0 12px 30px rgba(10, 30, 63, 0.12);
  --corporate-radius-sm: 6px;
  --corporate-radius-md: 10px;
  --corporate-radius-lg: 14px;
}

/* Global Font & Body */
body {
  font-family: 'Prompt', 'Inter', -apple-system, sans-serif !important;
  color: var(--corporate-text-body);
  background-color: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Prompt', sans-serif !important;
  font-weight: 600;
  color: var(--corporate-navy);
}

/* --------------------------------------------------------------------------
   1. Modern Navigation Bar
   -------------------------------------------------------------------------- */
nav.navbar.fixed-top {
  background-color: #FFFFFF !important;
  height: 76px !important;
  border-bottom: 2px solid var(--corporate-blue) !important;
  box-shadow: 0 4px 20px rgba(10, 30, 63, 0.07) !important;
  transition: all 0.3s ease;
  padding: 0 20px;
}

nav.navbar.fixed-top .container {
  background-color: transparent !important;
  height: 74px !important;
  display: flex;
  align-items: center;
}

.navbar-brand img {
  height: 54px !important;
  width: auto !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
  transition: transform 0.2s ease;
}

.navbar-brand:hover img {
  transform: scale(1.03);
}

/* Desktop Nav Links */
.navbar-nav .nav-link {
  font-family: 'Prompt', sans-serif !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  color: var(--corporate-navy) !important;
  padding: 10px 16px !important;
  height: auto !important;
  line-height: 1.5 !important;
  position: relative;
  transition: all 0.2s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--corporate-blue) !important;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--corporate-blue);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-item.active .nav-link::after {
  transform: scaleX(1);
}

/* Phone Contact Pill */
.nav-phone-pill {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  background: var(--corporate-blue-light) !important;
  color: var(--corporate-blue) !important;
  border: 1px solid rgba(0, 82, 204, 0.15) !important;
  border-radius: 50px !important;
  padding: 7px 16px !important;
  font-weight: 600 !important;
  font-size: 13.5px !important;
  transition: all 0.2s ease !important;
  text-decoration: none !important;
}

.nav-phone-pill:hover {
  background: var(--corporate-blue) !important;
  color: #FFFFFF !important;
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3) !important;
  transform: translateY(-1px);
}

.nav-phone-pill::after {
  display: none !important;
}

/* Dropdown styling */
.dropdownpc {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdowncontent {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background-color: #FFFFFF;
  border: 1px solid var(--corporate-border);
  border-radius: var(--corporate-radius-md);
  box-shadow: var(--corporate-shadow-lg);
  padding: 8px 0;
  z-index: 1000;
  list-style: none;
  margin: 0;
  animation: fadeInMenu 0.2s ease;
}

@keyframes fadeInMenu {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdownpc:hover .dropdowncontent {
  display: block;
}

.dropdowncontent li a.droppc {
  display: block;
  padding: 10px 18px;
  color: var(--corporate-text-dark);
  font-family: 'Prompt', sans-serif;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.4;
  border-left: 3px solid transparent;
}

.dropdowncontent li a.droppc:hover {
  background-color: var(--corporate-blue-light);
  color: var(--corporate-blue);
  border-left-color: var(--corporate-blue);
  padding-left: 22px;
}

/* --------------------------------------------------------------------------
   2. Modern Hero Carousel / Sliders
   -------------------------------------------------------------------------- */
#carouselExampleIndicators {
  box-shadow: 0 8px 24px rgba(10, 30, 63, 0.08);
  border-radius: 0 0 16px 16px;
  overflow: hidden;
}

.carousel-indicators li {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.6);
  border: none;
  margin: 0 5px;
  transition: all 0.3s ease;
}

.carousel-indicators li.active {
  width: 26px;
  border-radius: 5px;
  background-color: var(--corporate-blue);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: rgba(10, 30, 63, 0.75) !important;
  border-radius: 50% !important;
  width: 44px !important;
  height: 44px !important;
  background-size: 55% 55% !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all 0.2s ease;
}

.carousel-control-prev:hover .carousel-control-prev-icon,
.carousel-control-next:hover .carousel-control-next-icon {
  background-color: var(--corporate-blue) !important;
  transform: scale(1.08);
}

/* --------------------------------------------------------------------------
   3. Modern News Section (Home & Carousel)
   -------------------------------------------------------------------------- */
#blog {
  background-color: #F8FAFC !important;
  padding: 60px 0 80px 0;
}

.section-modern-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-modern-header h2 {
  font-size: 28px;
  color: var(--corporate-navy);
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.section-modern-header h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3.5px;
  background: var(--corporate-blue);
  border-radius: 2px;
  margin: 10px auto 0 auto;
}

.section-modern-header p {
  color: var(--corporate-text-muted);
  font-size: 15px;
}

/* Modern News Card */
.modern-news-card {
  background: #FFFFFF;
  border: 1px solid var(--corporate-border);
  border-radius: var(--corporate-radius-lg);
  overflow: hidden;
  box-shadow: var(--corporate-shadow-sm);
  transition: all 0.3s ease;
  margin: 12px 10px 24px 10px;
  display: flex;
  flex-direction: column;
  height: 390px;
}

.modern-news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--corporate-shadow-lg);
  border-color: var(--corporate-border-hover);
}

.modern-news-thumb {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  background-color: #F1F5F9;
}

.modern-news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.modern-news-card:hover .modern-news-thumb img {
  transform: scale(1.07);
}

.modern-news-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(10, 30, 63, 0.85);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.modern-news-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.modern-news-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--corporate-navy);
  margin-bottom: 8px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 44px;
  transition: color 0.2s;
}

.modern-news-card:hover .modern-news-title {
  color: var(--corporate-blue);
}

.modern-news-desc {
  font-size: 13px;
  color: var(--corporate-text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.modern-news-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #F1F5F9;
}

.modern-news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--corporate-blue);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none !important;
  transition: all 0.2s;
}

.modern-news-link i {
  font-size: 12px;
  transition: transform 0.2s ease;
}

.modern-news-card:hover .modern-news-link i {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   4. Modern Blog Detail Page (blog.php)
   -------------------------------------------------------------------------- */
.blog-detail-wrapper {
  background-color: #F8FAFC;
  padding: 40px 0 80px 0;
  min-height: 80vh;
}

.blog-detail-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: #FFFFFF;
  border: 1px solid var(--corporate-border);
  border-radius: var(--corporate-radius-sm);
  color: var(--corporate-navy) !important;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none !important;
  box-shadow: var(--corporate-shadow-sm);
  transition: all 0.2s ease;
  margin-bottom: 24px;
}

.blog-detail-back-btn:hover {
  background: var(--corporate-blue-light);
  border-color: var(--corporate-blue);
  color: var(--corporate-blue) !important;
  transform: translateX(-3px);
}

.blog-article-card {
  background: #FFFFFF;
  border: 1px solid var(--corporate-border);
  border-radius: var(--corporate-radius-lg);
  padding: 36px 40px;
  box-shadow: var(--corporate-shadow-md);
  margin-bottom: 30px;
}

.blog-article-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--corporate-navy);
  line-height: 1.4;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 2px solid #F1F5F9;
}

.blog-article-body {
  font-size: 15.5px;
  color: var(--corporate-text-body);
  line-height: 1.85;
}

.blog-article-body img {
  max-width: 100% !important;
  height: auto !important;
  border-radius: var(--corporate-radius-md);
  margin: 16px 0;
  box-shadow: var(--corporate-shadow-sm);
}

/* Sidebar in blog.php */
.blog-sidebar-card {
  background: #FFFFFF;
  border: 1px solid var(--corporate-border);
  border-radius: var(--corporate-radius-lg);
  padding: 24px;
  box-shadow: var(--corporate-shadow-sm);
  position: sticky;
  top: 100px;
}

.blog-sidebar-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--corporate-navy);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--corporate-blue);
}

.sidebar-news-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #F1F5F9;
  text-decoration: none;
  transition: all 0.2s ease;
}

.sidebar-news-item:last-child {
  border-bottom: none;
}

.sidebar-news-thumb {
  width: 75px;
  height: 55px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background-color: #F1F5F9;
}

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

.sidebar-news-info-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--corporate-text-dark);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.15s;
}

.sidebar-news-item:hover .sidebar-news-info-title {
  color: var(--corporate-blue);
}

.sidebar-news-link {
  font-size: 11.5px;
  color: var(--corporate-blue);
  font-weight: 600;
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   5. Modern Footer & Contact Section
   -------------------------------------------------------------------------- */
footer.footer {
  background: linear-gradient(180deg, var(--corporate-navy) 0%, var(--corporate-navy-dark) 100%) !important;
  color: #E2E8F0;
  padding-top: 0;
}

#map {
  padding-top: 60px;
  margin-bottom: 30px;
}

#map iframe {
  width: 100% !important;
  border: none !important;
  border-radius: var(--corporate-radius-lg);
  box-shadow: var(--corporate-shadow-md);
}

.contact-info-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--corporate-radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.contact-info-card h4 {
  color: #FFFFFF !important;
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #CBD5E1;
  line-height: 1.6;
}

.contact-info-item a {
  color: #CBD5E1 !important;
  text-decoration: none;
  transition: color 0.2s;
}

.contact-info-item a:hover {
  color: var(--corporate-cyan) !important;
}

.contact-icon-badge {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--corporate-cyan);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

/* Contact Form */
.contact-form-modern {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--corporate-radius-lg);
  padding: 28px 32px;
}

.contact-form-modern h4 {
  color: #FFFFFF;
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form-modern .form-control,
.contact-form-modern textarea {
  background: rgba(255, 255, 255, 0.06) !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  border-radius: var(--corporate-radius-sm) !important;
  color: #FFFFFF !important;
  padding: 12px 16px !important;
  font-size: 14px !important;
  font-family: 'Prompt', sans-serif !important;
  transition: all 0.2s ease;
  width: 100%;
}

.contact-form-modern .form-control:focus,
.contact-form-modern textarea:focus {
  border-color: var(--corporate-cyan) !important;
  background: rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2) !important;
  outline: none;
}

.contact-form-modern .form-control::placeholder,
.contact-form-modern textarea::placeholder {
  color: #94A3B8 !important;
}

.btn-contact-submit {
  background: linear-gradient(135deg, var(--corporate-blue) 0%, #1D4ED8 100%) !important;
  color: #FFFFFF !important;
  border: none !important;
  border-radius: var(--corporate-radius-sm) !important;
  padding: 12px 28px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 14px rgba(0, 82, 204, 0.4) !important;
  transition: all 0.2s ease !important;
  cursor: pointer;
}

.btn-contact-submit:hover {
  background: linear-gradient(135deg, #003E99 0%, #1E40AF 100%) !important;
  box-shadow: 0 6px 20px rgba(0, 82, 204, 0.5) !important;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   6. Modern Copyright Bar
   -------------------------------------------------------------------------- */
#copyright,
.copyright-bar {
  background: var(--corporate-navy-dark) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  padding: 16px 0 !important;
  text-align: center;
  color: #94A3B8;
  font-size: 13px;
}

#copyright a,
.copyright-bar a {
  color: #38BDF8 !important;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

#copyright a:hover,
.copyright-bar a:hover {
  color: #FFFFFF !important;
}