/*
 * PT Teknindo Geosistem Unggul - Redesign Custom CSS
 * Version: 2.0
 * Date: April 22, 2026
 */

/* ============================================
   CSS VARIABLES - Design System
   ============================================ */
:root {
  /* Primary Colors */
  --color-primary: #264653;
  --color-primary-light: #2a5f6f;
  --color-primary-dark: #1a3540;
  
  /* Secondary Colors */
  --color-secondary: #E67300;
  --color-secondary-light: #ff8c1a;
  --color-secondary-dark: #cc6600;
  
  /* Accent Colors */
  --color-accent: #2A9D8F;
  --color-accent-light: #3db5a5;
  --color-accent-dark: #1f7a6f;
  
  /* Neutral Colors */
  --color-light: #DEF4E4;
  --color-dark: #0B6623;
  --color-white: #FFFFFF;
  --color-gray-100: #F8F9FA;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-500: #ADB5BD;
  --color-gray-700: #495057;
  --color-gray-900: #212529;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  --shadow-hover: 0 15px 30px rgba(0,0,0,0.2);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 15px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  animation: float 3s ease-in-out infinite;
}

.floating-whatsapp .whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  color: white;
  font-size: 32px;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.floating-whatsapp .whatsapp-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.floating-whatsapp .whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-hover);
}

.floating-whatsapp .whatsapp-btn:hover::before {
  width: 300px;
  height: 300px;
}

.floating-whatsapp .whatsapp-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  font-weight: 600;
  color: var(--color-primary);
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  right: 75px;
}

.floating-whatsapp .whatsapp-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.4);
  animation: pulse 2s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* Mobile Optimization */
@media (max-width: 768px) {
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
  }
  
  .floating-whatsapp .whatsapp-btn {
    width: 55px;
    height: 55px;
    font-size: 28px;
  }
  
  .floating-whatsapp .whatsapp-tooltip {
    display: none;
  }
}

/* ============================================
   ENHANCED HERO SECTION
   ============================================ */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(38, 70, 83, 0.7) 0%,
    rgba(38, 70, 83, 0.5) 50%,
    rgba(42, 157, 143, 0.3) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out;
}

.hero-description {
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
  animation: fadeInUp 1.2s ease-out 0.4s both;
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  animation: bounce 2s infinite;
}

.scroll-indicator i {
  font-size: 32px;
  color: white;
  opacity: 0.8;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ============================================
   ENHANCED CTA BUTTONS
   ============================================ */
.btn-enhanced {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  font-weight: 600;
  letter-spacing: 0.5px;
  border: none;
  box-shadow: var(--shadow-md);
}

.btn-enhanced::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-enhanced:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-enhanced:hover::before {
  width: 300px;
  height: 300px;
}

.btn-enhanced:active {
  transform: translateY(0);
}

.btn-enhanced i {
  transition: transform var(--transition-base);
}

.btn-enhanced:hover i {
  transform: translateX(5px);
}

/* Button Variants */
.btn-primary-enhanced {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.btn-secondary-enhanced {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: white;
}

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

.btn-outline-enhanced:hover {
  background: var(--color-primary);
  color: white;
}

/* ============================================
   MODERN PRODUCT CARDS
   ============================================ */
.product-card-modern {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card-modern:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.product-card-image {
  position: relative;
  overflow: hidden;
  padding-top: 75%; /* 4:3 Aspect Ratio */
  background: var(--color-gray-100);
}

.product-card-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card-modern:hover .product-card-image img {
  transform: scale(1.1);
}

.product-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(38, 70, 83, 0.8) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 20px;
}

.product-card-modern:hover .product-card-overlay {
  opacity: 1;
}

.product-card-overlay .btn {
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.product-card-modern:hover .product-card-overlay .btn {
  transform: translateY(0);
}

.product-card-body {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.product-card-description {
  color: var(--color-gray-700);
  line-height: 1.6;
  margin-bottom: 15px;
  flex-grow: 1;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 15px;
  border-top: 1px solid var(--color-gray-200);
}

.product-card-link {
  color: var(--color-secondary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-base);
}

.product-card-link:hover {
  color: var(--color-secondary-dark);
  gap: 10px;
}

/* ============================================
   PROJECT CARDS
   ============================================ */
.project-card-modern {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
}

.project-card-modern:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-card-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-card-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--color-secondary);
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.project-card-content {
  padding: 25px;
}

.project-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.project-card-location {
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
}

.project-card-location i {
  color: var(--color-secondary);
}

.project-card-description {
  color: var(--color-gray-700);
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
}

.project-card-link:hover {
  color: var(--color-secondary-dark);
  gap: 12px;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header-modern {
  text-align: center;
  margin-bottom: 50px;
  animation: fadeInUp 0.8s ease-out;
}

.section-subtitle {
  display: inline-block;
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
  position: relative;
  padding: 0 20px;
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 2px;
  background: var(--color-secondary);
}

.section-subtitle::before {
  left: -35px;
}

.section-subtitle::after {
  right: -35px;
}

.section-title-modern {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  line-height: 1.2;
}

.section-description-modern {
  font-size: 1.125rem;
  color: var(--color-gray-700);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .section-title-modern {
    font-size: 1.875rem;
  }
  
  .section-subtitle::before,
  .section-subtitle::after {
    display: none;
  }
}

/* ============================================
   TRUST INDICATORS
   ============================================ */
.trust-indicators {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
  padding: 40px 0;
}

.trust-item {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

.trust-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 10px;
  display: block;
}

.trust-label {
  font-size: 1rem;
  color: var(--color-gray-700);
  font-weight: 600;
}

.trust-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 15px;
}

/* Counter Animation */
.trust-number[data-count] {
  opacity: 0;
}

.trust-number.counting {
  opacity: 1;
  transition: opacity 0.5s;
}

/* ============================================
   CLIENT LOGOS
   ============================================ */
.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 30px;
  align-items: center;
  justify-items: center;
}

.client-logo-item {
  width: 100%;
  max-width: 160px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  filter: grayscale(100%);
  opacity: 0.7;
}

.client-logo-item:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

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

@media (max-width: 768px) {
  .client-logo-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  
  .client-logo-item {
    max-width: 100px;
    height: 80px;
  }
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 2rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-image {
  height: 200px;
  width: 100%;
}

/* ============================================
   SMOOTH SCROLL
   ============================================ */
html {
  scroll-behavior: smooth;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
#gotoTop {
  background: var(--color-primary) !important;
  color: white !important;
  width: 50px;
  height: 50px;
  line-height: 50px;
  font-size: 20px;
  transition: all var(--transition-base);
}

#gotoTop:hover {
  background: var(--color-secondary) !important;
  transform: translateY(-5px);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .hide-desktop {
    display: none !important;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .floating-whatsapp,
  #gotoTop,
  .no-print {
    display: none !important;
  }
}