/* ==========================================================================
   KAEWTA NETWORK PORTAL STYLESHEET (network.kaewta.com)
   Design System: OKMD Modern Knowledge Portal + Glassmorphism Cards
   Theme matching: https://www.kaewta.com
   ========================================================================== */

:root {
  --primary: #0284C7;
  --primary-hover: #0369A1;
  --primary-light: #E0F2FE;
  --accent: #38BDF8;
  --secondary: #64748B;
  --dark-navy: #0B1325;
  --dark-surface: #111C38;
  --body-bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-color: rgba(2, 132, 199, 0.12);
  --border-hover: rgba(2, 132, 199, 0.35);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 28px rgba(2, 132, 199, 0.12);
}

/* Base Setup */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Prompt', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--body-bg);
  color: var(--text-main);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .brand-title {
  font-family: 'Kanit', sans-serif;
  font-weight: 600;
}

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

/* ================= Top Navigation Bar ================= */
.network-navbar {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(2, 132, 199, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

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

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.28);
}

.brand-text .main-title {
  font-size: 1.35rem;
  line-height: 1.1;
  color: #0F172A;
}

.brand-text .main-title span {
  color: var(--primary);
}

.brand-text .sub-badge {
  font-size: 0.72rem;
  background: #E0F2FE;
  color: #0284C7;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  display: inline-block;
  margin-top: 2px;
}

.nav-link-custom {
  font-size: 0.92rem;
  font-weight: 500;
  color: #334155;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.nav-link-custom:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.btn-main-portal {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #ffffff !important;
  font-weight: 500;
  font-size: 0.88rem;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-main-portal:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
  color: #ffffff;
}

/* ================= Hero Section ================= */
.hero-network {
  position: relative;
  padding: 56px 0 36px;
  background: radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.12) 0%, rgba(248, 250, 252, 0) 70%),
              linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  border-bottom: 1px solid rgba(2, 132, 199, 0.08);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #E0F2FE;
  color: #0369A1;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.hero-title {
  font-size: 2.5rem;
  color: #0F172A;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #0284C7 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  color: #475569;
  max-width: 720px;
  margin: 0 auto 30px;
}

/* Search Bar */
.search-container {
  max-width: 680px;
  margin: 0 auto 28px;
}

.search-box-wrap {
  position: relative;
  background: #FFFFFF;
  border: 2px solid rgba(2, 132, 199, 0.22);
  border-radius: var(--radius-pill);
  padding: 6px 8px 6px 20px;
  display: flex;
  align-items: center;
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.09);
  transition: var(--transition);
}

.search-box-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 8px 28px rgba(2, 132, 199, 0.22);
}

.search-input {
  border: none;
  outline: none;
  font-size: 1rem;
  color: #0F172A;
  font-family: inherit;
  flex: 1;
  background: transparent;
}

.search-input::placeholder {
  color: #94A3B8;
}

.btn-clear-search {
  background: none;
  border: none;
  color: #94A3B8;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  display: none;
}

.btn-clear-search:hover {
  color: #0F172A;
}

/* Stats Row */
.stats-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.stat-badge {
  background: #FFFFFF;
  border: 1px solid rgba(2, 132, 199, 0.12);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: #334155;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.stat-badge strong {
  color: var(--primary);
  font-size: 1rem;
}

/* ================= Category Tabs ================= */
.category-section {
  padding: 24px 0 16px;
  background: #F8FAFC;
  position: sticky;
  top: 61px;
  z-index: 990;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.category-scroll-container {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scrollbar-width: thin;
  scrollbar-color: rgba(2, 132, 199, 0.2) transparent;
}

.category-scroll-container::-webkit-scrollbar {
  height: 4px;
}

.category-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(2, 132, 199, 0.2);
  border-radius: 4px;
}

.category-pill-btn {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  color: #475569;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.category-pill-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.category-pill-btn.active {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

/* Results Status Bar */
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 8px;
  font-size: 0.88rem;
  color: #64748B;
}

/* ================= Service Cards Grid ================= */
.services-grid-section {
  padding: 24px 0 64px;
}

.service-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #0284C7 0%, #38BDF8 100%);
  opacity: 0;
  transition: var(--transition);
}

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

.service-card:hover::before {
  opacity: 1;
}

/* Card Header */
.card-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.45rem;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

.card-badges-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.badge-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.badge-category {
  font-size: 0.68rem;
  color: #64748B;
  background: #F1F5F9;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* Card Body */
.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title-th {
  font-size: 1.15rem;
  color: #0F172A;
  margin-bottom: 2px;
  line-height: 1.25;
}

.card-title-en {
  font-size: 0.8rem;
  color: #64748B;
  font-weight: 400;
  margin-bottom: 10px;
}

.card-subdomain-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #F8FAFC;
  border: 1px dashed #CBD5E1;
  color: #0284C7;
  font-size: 0.76rem;
  font-family: monospace;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
  width: fit-content;
}

.card-desc {
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Feature Chips */
.card-feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.feature-chip {
  font-size: 0.7rem;
  background: #F1F5F9;
  color: #334155;
  padding: 2px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.feature-chip i {
  color: #0284C7;
  font-size: 0.65rem;
}

/* Card Footer Actions */
.card-bottom-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #F1F5F9;
}

.btn-launch-service {
  flex: 1;
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #FFFFFF !important;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-launch-service:hover {
  background: linear-gradient(135deg, #0369A1 0%, #075985 100%);
  transform: translateY(-1px);
}

.btn-quick-view {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  color: #475569;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-quick-view:hover {
  background: #E0F2FE;
  border-color: #BAE6FD;
  color: #0284C7;
}

/* Empty State */
.empty-state-box {
  text-align: center;
  padding: 60px 20px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px dashed #CBD5E1;
  grid-column: 1 / -1;
}

.empty-state-box i {
  font-size: 3rem;
  color: #94A3B8;
  margin-bottom: 12px;
  display: block;
}

/* ================= Quick View Modal ================= */
.modal-content-custom {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.modal-header-custom {
  background: linear-gradient(135deg, #0B1325 0%, #111C38 100%);
  color: #FFFFFF;
  padding: 20px 24px;
  border: none;
}

.modal-header-custom .btn-close {
  filter: invert(1);
}

.modal-body-custom {
  padding: 24px;
}

/* ================= 4-Column Master Dark Navy Footer ================= */
.footer-master {
  background-color: var(--dark-navy);
  color: #94A3B8;
  font-size: 0.88rem;
  padding: 56px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand-title {
  color: #FFFFFF;
  font-size: 1.45rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand-icon {
  width: 38px;
  height: 38px;
  background: #0284C7;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.2rem;
}

.footer-brand-desc {
  color: #94A3B8;
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 18px;
}

.footer-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.trust-badge-pill {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #E2E8F0;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: #0284C7;
  border-radius: 2px;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links-list a {
  color: #94A3B8;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links-list a:hover {
  color: #38BDF8;
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: #CBD5E1;
}

.footer-contact-item i {
  color: #38BDF8;
  font-size: 1rem;
  margin-top: 3px;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  color: #64748B;
  font-size: 0.8rem;
}

/* Floating Back to Top Button */
.btn-back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #FFFFFF;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.btn-back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.btn-back-to-top:hover {
  transform: translateY(-3px);
}

/* Responsive Rules */
@media (max-width: 991px) {
  .hero-title {
    font-size: 2rem;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 1.7rem;
  }
  .hero-desc {
    font-size: 0.95rem;
  }
  .footer-master {
    padding: 40px 0 20px;
  }
}