/* ==========================================================================
   TRIKARYA MODERN MAIN DESIGN SYSTEM & STYLESHEET
   Inspired by Samsoftech.net (Clean, Futuristic, Micro-animations)
   ========================================================================== */

/* Universal Layout & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--tk-font);
  background-color: var(--tk-bg-light);
  color: var(--tk-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--tk-secondary);
}

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

/* Container */
.tk-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography & Text Utilities */
.tk-text-gradient {
  background: linear-gradient(135deg, #0EA5E9 0%, #38BDF8 50%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.tk-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--tk-primary);
  background: rgba(14, 165, 233, 0.1);
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  margin-bottom: 12px;
}

.tk-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #0F172A;
  line-height: 1.25;
  margin-bottom: 16px;
}

.tk-section-header.text-center {
  text-align: center;
}

.tk-title-line {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--tk-primary), var(--tk-secondary));
  margin: 0 auto 40px auto;
  border-radius: 2px;
}

/* Button Styles */
.tk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--tk-radius-sm);
  transition: var(--tk-transition);
  cursor: pointer;
  border: none;
}

.tk-btn-primary {
  background: linear-gradient(135deg, #0EA5E9 0%, #2563EB 100%);
  color: var(--tk-text-bright);
  box-shadow: 0 4px 20px var(--tk-primary-glow);
}

.tk-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(14, 165, 233, 0.6);
  color: #FFF;
}

.tk-btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: var(--tk-text-bright);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.tk-btn-outline:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--tk-text-bright);
  transform: translateY(-3px);
  color: #FFF;
}

.tk-btn-glow {
  background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
  color: #FFF;
  border-radius: 50px;
  padding: 10px 22px;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
}

.tk-btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(34, 197, 94, 0.6);
  color: #FFF;
}

/* ==========================================================================
   TOPBAR & HEADER NAVIGATION
   ========================================================================== */
.tk-topbar {
  background-color: #060911;
  color: var(--tk-text-muted);
  font-size: 0.825rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tk-topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tk-topbar-info {
  display: flex;
  gap: 24px;
}

.tk-topbar-info span i {
  color: var(--tk-primary);
  margin-right: 6px;
}

.tk-topbar-motto {
  color: var(--tk-accent);
  font-weight: 600;
}

/* Header Navbar */
.tk-site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(11, 15, 25, 0.92);
  backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid var(--tk-border);
  transition: var(--tk-transition);
}

.tk-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.tk-logo-img {
  height: 48px;
  width: auto;
  border-radius: 6px;
}

.tk-logo-text {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFF;
  letter-spacing: -0.5px;
}

.tk-logo-text span {
  color: var(--tk-primary);
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
}

/* WordPress Menu Navigation */
.tk-main-navigation .tk-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.tk-main-navigation .tk-menu > li {
  position: relative;
}

.tk-main-navigation .tk-menu > li > a {
  color: #E2E8F0;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 0;
  display: block;
  position: relative;
}

.tk-main-navigation .tk-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--tk-primary);
  transition: var(--tk-transition);
}

.tk-main-navigation .tk-menu > li:hover > a,
.tk-main-navigation .tk-menu > li.current-menu-item > a {
  color: var(--tk-primary);
}

.tk-main-navigation .tk-menu > li:hover > a::after,
.tk-main-navigation .tk-menu > li.current-menu-item > a::after {
  width: 100%;
}

/* Submenu Dropdown */
.tk-main-navigation .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #111827;
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  list-style: none;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--tk-transition);
}

.tk-main-navigation .tk-menu > li:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tk-main-navigation .sub-menu li a {
  padding: 10px 20px;
  color: #94A3B8;
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
}

.tk-main-navigation .sub-menu li a:hover {
  color: #FFF;
  background: rgba(14, 165, 233, 0.15);
  padding-left: 26px;
}

/* Mobile Toggle Hamburger */
.tk-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.tk-hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: #FFF;
  position: relative;
  transition: var(--tk-transition);
}

.tk-hamburger::before,
.tk-hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: #FFF;
  transition: var(--tk-transition);
}

.tk-hamburger::before { top: -7px; }
.tk-hamburger::after { top: 7px; }

/* Mobile Drawer Overlay */
.tk-mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: #0B0F19;
  z-index: 2000;
  padding: 24px;
  transition: var(--tk-transition);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.8);
}

.tk-mobile-drawer.active {
  right: 0;
}

.tk-mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--tk-border);
}

.tk-mobile-brand {
  color: #FFF;
  font-weight: 800;
  font-size: 1.1rem;
}

.tk-mobile-close {
  background: none;
  border: none;
  color: #FFF;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO CAROUSEL SLIDER (FRONT PAGE)
   ========================================================================== */
.tk-hero-slider-section {
  position: relative;
  background-color: #060911;
}

.tk-hero-swiper {
  width: 100%;
  min-height: 85vh;
}

.tk-hero-slide {
  position: relative;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 120px 0;
}

.tk-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.8) 50%, rgba(11, 15, 25, 0.4) 100%);
}

.tk-hero-content {
  position: relative;
  z-index: 10;
  max-width: 760px;
}

.tk-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--tk-primary);
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(14, 165, 233, 0.3);
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.tk-hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: #FFF;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.tk-hero-desc {
  font-size: 1.15rem;
  color: #94A3B8;
  margin-bottom: 36px;
  line-height: 1.7;
}

.tk-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Swiper Pagination & Navigation Customization */
.tk-hero-swiper .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: #FFF;
  opacity: 0.4;
  transition: var(--tk-transition);
}

.tk-hero-swiper .swiper-pagination-bullet-active {
  width: 36px;
  border-radius: 6px;
  background: var(--tk-primary);
  opacity: 1;
  box-shadow: 0 0 12px var(--tk-primary);
}

.tk-hero-next, .tk-hero-prev {
  color: #FFF;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--tk-transition);
}

.tk-hero-next:after, .tk-hero-prev:after { display: none; }

.tk-hero-next:hover, .tk-hero-prev:hover {
  background: var(--tk-primary);
  border-color: var(--tk-primary);
  box-shadow: 0 0 20px var(--tk-primary-glow);
}

/* ==========================================================================
   ACHIEVEMENT STATS COUNTER BAR
   ========================================================================== */
.tk-stats-section {
  background: #0B0F19;
  padding: 50px 0;
  border-bottom: 1px solid var(--tk-border);
}

.tk-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tk-stat-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid var(--tk-border);
  padding: 30px 20px;
  border-radius: var(--tk-radius-md);
  text-align: center;
  backdrop-filter: blur(12px);
  transition: var(--tk-transition);
}

.tk-stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--tk-primary);
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.2);
}

.tk-stat-icon {
  font-size: 2.2rem;
  color: var(--tk-primary);
  margin-bottom: 12px;
}

.tk-stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: #FFF;
  line-height: 1;
  margin-bottom: 8px;
}

.tk-stat-label {
  color: #94A3B8;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ==========================================================================
   3 PILAR BUSINESS SERVICES SECTION
   ========================================================================== */
.tk-services-section {
  padding: 100px 0;
  background: #F8FAFC;
}

.tk-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.tk-service-card {
  background: #FFF;
  border-radius: var(--tk-radius-md);
  padding: 40px 32px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--tk-border-light);
  position: relative;
  transition: var(--tk-transition);
}

.tk-service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(14, 165, 233, 0.15);
  border-color: var(--tk-primary);
}

.tk-service-featured {
  border: 2px solid var(--tk-primary);
  background: linear-gradient(180deg, #FFFFFF 0%, #F0F9FF 100%);
}

.tk-service-badge {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--tk-primary);
  background: rgba(14, 165, 233, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 20px;
}

.tk-service-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--tk-radius-sm);
  background: linear-gradient(135deg, #0EA5E9 0%, #2563EB 100%);
  color: #FFF;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 8px 20px var(--tk-primary-glow);
}

.tk-service-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 14px;
}

.tk-service-desc {
  font-size: 0.95rem;
  color: #64748B;
  margin-bottom: 24px;
  line-height: 1.6;
}

.tk-service-list {
  list-style: none;
  margin-bottom: 32px;
}

.tk-service-list li {
  font-size: 0.9rem;
  color: #334155;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.tk-service-list li i {
  color: var(--tk-primary);
  font-size: 0.8rem;
}

.tk-service-link {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--tk-primary);
}

.tk-service-link:hover {
  gap: 14px;
}

/* ==========================================================================
   ABOUT US & TABS SECTION
   ========================================================================== */
.tk-about-section {
  padding: 100px 0;
  background: #FFF;
}

.tk-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.tk-about-img-wrapper {
  position: relative;
  border-radius: var(--tk-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.tk-about-img-main {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.tk-about-experience-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.tk-exp-years {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--tk-primary);
  line-height: 1;
}

.tk-exp-text {
  color: #FFF;
  font-size: 0.9rem;
  font-weight: 600;
  max-width: 120px;
}

.tk-about-lead {
  font-size: 1.05rem;
  color: #475569;
  margin-bottom: 28px;
}

/* Interactive Tabs */
.tk-tabs-wrapper {
  background: #F8FAFC;
  border-radius: var(--tk-radius-md);
  padding: 24px;
  border: 1px solid var(--tk-border-light);
}

.tk-tab-buttons {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid var(--tk-border-light);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.tk-tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-family: var(--tk-font);
  font-size: 0.95rem;
  font-weight: 700;
  color: #64748B;
  cursor: pointer;
  border-radius: var(--tk-radius-sm);
  transition: var(--tk-transition);
}

.tk-tab-btn.active, .tk-tab-btn:hover {
  background: var(--tk-primary);
  color: #FFF;
  box-shadow: 0 4px 12px var(--tk-primary-glow);
}

.tk-tab-panel {
  display: none;
}

.tk-tab-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tk-motto-box h3 {
  font-size: 1.25rem;
  color: #0F172A;
  margin-bottom: 8px;
}

.tk-motto-box i {
  font-size: 1.5rem;
  color: var(--tk-primary);
  margin-bottom: 8px;
  display: block;
}

/* ==========================================================================
   PORTFOLIO SHOWCASE SECTION
   ========================================================================== */
.tk-portfolio-section {
  padding: 100px 0;
  background: #F1F5F9;
}

.tk-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tk-portfolio-card {
  position: relative;
  border-radius: var(--tk-radius-md);
  overflow: hidden;
  height: 280px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.tk-portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.tk-portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 25, 0) 20%, rgba(11, 15, 25, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #FFF;
  transition: var(--tk-transition);
}

.tk-portfolio-card:hover img {
  transform: scale(1.1);
}

.tk-port-cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--tk-primary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.tk-port-title {
  font-size: 1.05rem;
  font-weight: 700;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.tk-contact-section {
  padding: 100px 0;
  background: #0B0F19;
  color: #FFF;
}

.tk-contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.tk-contact-info-col .tk-title {
  color: #FFF;
}

.tk-contact-lead {
  color: #94A3B8;
  margin-bottom: 36px;
}

.tk-contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tk-cd-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.tk-cd-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--tk-radius-sm);
  background: rgba(14, 165, 233, 0.15);
  color: var(--tk-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: 1px solid rgba(14, 165, 233, 0.3);
  flex-shrink: 0;
}

.tk-cd-text h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tk-cd-text p {
  color: #94A3B8;
  font-size: 0.9rem;
}

/* Form Card */
.tk-form-card {
  background: #111827;
  border: 1px solid var(--tk-border);
  padding: 40px;
  border-radius: var(--tk-radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.tk-form-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.tk-form-card p {
  color: #94A3B8;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.tk-form-group {
  margin-bottom: 18px;
}

.tk-form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #E2E8F0;
}

.tk-form-group input,
.tk-form-group select,
.tk-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: #1E293B;
  border: 1px solid var(--tk-border);
  border-radius: var(--tk-radius-sm);
  color: #FFF;
  font-family: var(--tk-font);
  font-size: 0.9rem;
  transition: var(--tk-transition);
}

.tk-form-group input:focus,
.tk-form-group select:focus,
.tk-form-group textarea:focus {
  outline: none;
  border-color: var(--tk-primary);
  box-shadow: 0 0 10px var(--tk-primary-glow);
}

.tk-btn-full {
  width: 100%;
}

/* ==========================================================================
   INNER DETAIL PAGE HERO BANNER & BREADCRUMBS
   ========================================================================== */
.tk-inner-hero {
  position: relative;
  background: #0B0F19 url('../../analisa/images/slider-web1-1200x675.png') center/cover no-repeat;
  padding: 100px 0 60px 0;
  border-bottom: 1px solid var(--tk-border);
}

.tk-inner-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.85) 100%);
}

.tk-inner-hero-content {
  position: relative;
  z-index: 10;
  color: #FFF;
}

.tk-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #94A3B8;
  margin-bottom: 16px;
}

.tk-breadcrumbs a {
  color: #E2E8F0;
}

.tk-breadcrumbs a:hover {
  color: var(--tk-primary);
}

.tk-breadcrumbs .tk-sep {
  font-size: 0.7rem;
  color: var(--tk-primary);
}

.tk-breadcrumbs .tk-current {
  color: var(--tk-primary);
  font-weight: 700;
}

.tk-inner-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.tk-inner-hero-subtitle {
  font-size: 1.1rem;
  color: #94A3B8;
  max-width: 680px;
}

.tk-page-section {
  padding: 80px 0;
}

.tk-page-card {
  background: #FFF;
  border-radius: var(--tk-radius-lg);
  padding: 48px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--tk-border-light);
}

/* ==========================================================================
   FOOTER STYLES
   ========================================================================== */
.tk-footer {
  background: #060911;
  color: #94A3B8;
  padding: 80px 0 0 0;
  border-top: 1px solid var(--tk-border);
}

.tk-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.tk-footer-title {
  color: #FFF;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.tk-footer-title span {
  color: var(--tk-primary);
}

.tk-footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.tk-footer-motto {
  color: var(--tk-accent);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tk-footer-heading {
  color: #FFF;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

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

.tk-footer-links {
  list-style: none;
}

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

.tk-footer-links li a {
  color: #94A3B8;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tk-footer-links li a:hover {
  color: #FFF;
  padding-left: 6px;
}

.tk-footer-links li a i {
  font-size: 0.7rem;
  color: var(--tk-primary);
}

.tk-footer-contact {
  list-style: none;
}

.tk-footer-contact li {
  display: flex;
  gap: 12px;
  font-size: 0.875rem;
  margin-bottom: 14px;
}

.tk-footer-contact li i {
  color: var(--tk-primary);
  margin-top: 3px;
}

.tk-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.tk-footer-social {
  display: flex;
  gap: 12px;
}

.tk-footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tk-footer-social a:hover {
  background: var(--tk-primary);
  transform: translateY(-3px);
}

/* Back to top & Floating WA Widget */
.tk-back-top {
  position: fixed;
  bottom: 24px;
  right: 84px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #1E293B;
  color: #FFF;
  border: 1px solid var(--tk-border);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--tk-transition);
  z-index: 999;
}

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

.tk-back-top:hover {
  background: var(--tk-primary);
}

.tk-floating-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.5);
  z-index: 1000;
  transition: var(--tk-transition);
}

.tk-floating-wa:hover {
  transform: scale(1.1);
  color: #FFF;
}

.tk-wa-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid #22C55E;
  animation: pulseWa 2s infinite;
}

@keyframes pulseWa {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.tk-wa-tooltip {
  position: absolute;
  right: 68px;
  background: #111827;
  color: #FFF;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--tk-transition);
  border: 1px solid var(--tk-border);
}

.tk-floating-wa:hover .tk-wa-tooltip {
  opacity: 1;
  visibility: visible;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .tk-hero-title { font-size: 2.8rem; }
  .tk-services-grid { grid-template-columns: 1fr; }
  .tk-portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .tk-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .tk-about-grid, .tk-contact-wrapper { grid-template-columns: 1fr; }
  .tk-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .tk-topbar { display: none; }
  .tk-main-navigation { display: none; }
  .tk-mobile-toggle { display: block; }
  .tk-hero-title { font-size: 2.2rem; }
  .tk-stats-grid { grid-template-columns: 1fr 1fr; }
  .tk-portfolio-grid { grid-template-columns: 1fr; }
  .tk-footer-grid { grid-template-columns: 1fr; }
  .tk-footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}