/* ==========================================================================
   PT SURYA CIPTA JAYA PERKASA - PUTIH TULANG (BONE WHITE / LIGHT EPC THEME)
   Designed with Inspiration from Premier EPC Contractors (pamitra.co.id standard)
   ========================================================================== */

:root {
  --primary-navy: #0B192C;
  --navy-deep: #060B14;
  --navy-light: #002244;
  --accent-orange: #FF6500;
  --accent-orange-hover: #E05300;
  --accent-gold: #D97706;
  --accent-cyan: #0284C7;
  --accent-cyan-glow: #0284C7;
  --steel-gray: #64748B;
  
  /* Bone White / Putih Tulang Palette */
  --bg-bone-white: #F8F9FA;
  --bg-bone-soft: #F4F5F0;
  --bg-white-pure: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFAF9;
  --border-card: #E2E8F0;
  --border-card-hover: rgba(255, 101, 0, 0.4);
  
  --text-main: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-dim: #94A3B8;
  
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  --shadow-card-hover: 0 20px 35px -5px rgba(0, 0, 0, 0.08), 0 10px 15px -5px rgba(255, 101, 0, 0.08);
  --shadow-glow: 0 10px 30px -10px rgba(255, 101, 0, 0.25);
  
  --font-heading: 'Plus Jakarta Sans', 'Montserrat', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-bone-white);
  color: var(--text-body);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.025em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: #F1F5F9;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-orange);
}

/* ==========================================================================
   CARDS & ACCENTS (LIGHT & MODERN)
   ========================================================================== */
.glass-panel {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-card);
}

.glass-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-card);
}

.glass-card {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 101, 0, 0.45);
  box-shadow: var(--shadow-card-hover);
}

.glass-card-interactive {
  position: relative;
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card-interactive::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 101, 0, 0.04), transparent);
  transition: left 0.75s ease;
  pointer-events: none;
}

.glass-card-interactive:hover::before {
  left: 100%;
}

.glass-card-interactive:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 101, 0, 0.45);
  box-shadow: var(--shadow-card-hover);
}

.glass-card-static {
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: 1.5rem;
  box-shadow: var(--shadow-card);
}

/* Shimmering Glow Orbs */
.hero-glow-1 {
  position: absolute;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(255, 101, 0, 0.25) 0%, rgba(255, 101, 0, 0) 70%);
  top: -120px;
  right: -120px;
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
  animation: pulse-slow 9s infinite alternate ease-in-out;
}

.hero-glow-2 {
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, rgba(2, 132, 199, 0) 70%);
  bottom: -100px;
  left: -150px;
  filter: blur(95px);
  z-index: 0;
  pointer-events: none;
  animation: pulse-slow-reverse 11s infinite alternate ease-in-out;
}

.section-glow-orange {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 101, 0, 0.06) 0%, rgba(255, 101, 0, 0) 70%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

.section-glow-cyan {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.06) 0%, rgba(2, 132, 199, 0) 70%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

@keyframes pulse-slow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
  100% { transform: scale(1.15) translate(-25px, 25px); opacity: 0.95; }
}

@keyframes pulse-slow-reverse {
  0% { transform: scale(1.15) translate(20px, -20px); opacity: 0.95; }
  100% { transform: scale(1) translate(0, 0); opacity: 0.6; }
}

/* Gradient Texts */
.gradient-text-orange {
  background: linear-gradient(135deg, #EA580C 0%, #FF6500 50%, #C2410C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #D97706 0%, #B45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Badges */
.badge-epc {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  background: rgba(255, 101, 0, 0.1);
  color: #EA580C;
  border: 1px solid rgba(255, 101, 0, 0.25);
}

.badge-live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #16A34A;
  position: relative;
  display: inline-block;
}

.badge-live-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #16A34A;
  opacity: 0.6;
  animation: pulse-ring 1.8s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Primary Orange Button */
.btn-primary-orange {
  background: linear-gradient(135deg, #FF6500 0%, #E65100 100%);
  color: #FFFFFF;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 6px 20px -3px rgba(255, 101, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary-orange:hover {
  background: linear-gradient(135deg, #FF771A 0%, #FF5500 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -3px rgba(255, 101, 0, 0.5);
}

.btn-primary-orange:active {
  transform: translateY(1px);
}

.btn-outline-glow {
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: #1E293B;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-outline-glow:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background: rgba(255, 101, 0, 0.05);
  box-shadow: 0 0 15px rgba(255, 101, 0, 0.2);
  transform: translateY(-2px);
}

/* Scroll Reveal */
.reveal-init {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-init.reveal-fade {
  transform: translateY(0);
}

.reveal-init.reveal-zoom {
  transform: scale(0.93) translateY(20px);
}

.reveal-visible {
  opacity: 1 !important;
  transform: translateY(0) scale(1) !important;
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Modals */
.modal-backdrop-blur {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Floating Action Button (WhatsApp) */
.fab-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.fab-whatsapp:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.45);
}

/* Scroll To Top Button with Circular Progress */
.btn-scroll-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 50;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: #1E293B;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.btn-scroll-top:hover {
  background: var(--accent-orange);
  color: #FFFFFF;
  border-color: var(--accent-orange);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(255, 101, 0, 0.35);
}

/* Project Filter Tabs */
.filter-btn {
  transition: all 0.3s ease;
}

.filter-btn.active {
  background: linear-gradient(135deg, #FF6500 0%, #E65100 100%) !important;
  color: #FFFFFF !important;
  border-color: #FF6500 !important;
  box-shadow: 0 4px 15px rgba(255, 101, 0, 0.35) !important;
}

/* Infinite Logo Marquee */
.marquee-wrapper {
  overflow: hidden;
  user-select: none;
  display: flex;
  gap: 2rem;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
  flex-shrink: 0;
  display: flex;
  justify-content: space-around;
  min-width: 100%;
  gap: 2rem;
  animation: scroll-left 35s linear infinite;
}

.marquee-wrapper:hover .marquee-content {
  animation-play-state: paused;
}

@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* ==========================================================================
   MINIMALIST NAVBAR & HERO SLIDESHOW
   ========================================================================== */

/* Sleek Minimalist Island Navbar */
.minimal-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 9999px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.02);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.minimal-nav:hover {
  border-color: rgba(255, 101, 0, 0.3);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.08), 0 0 20px rgba(255, 101, 0, 0.08);
}

.minimal-nav .nav-link {
  color: #334155;
  font-weight: 600;
  font-size: 0.8125rem; /* 13px */
  padding: 0.45rem 0.85rem;
  border-radius: 9999px;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.minimal-nav .nav-link:hover {
  color: #EA580C;
  background: rgba(255, 101, 0, 0.08);
  transform: translateY(-1px);
}

.minimal-nav .nav-link.active {
  color: #EA580C;
}

/* Minimalist Button Accent */
.btn-minimal-orange {
  background: linear-gradient(135deg, #FF6500 0%, #E65100 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.5rem 1.15rem;
  border-radius: 9999px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(255, 101, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-minimal-orange:hover {
  background: linear-gradient(135deg, #FF7A1A 0%, #FF5500 100%);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 101, 0, 0.45);
}

/* Dynamic Hero Slideshow */
.hero-slider-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 1.3s;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 7.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-slide.active .hero-slide-img {
  transform: scale(1.12);
}

/* Slide Progress Bar */
.slide-progress-container {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.25);
  z-index: 30;
}

.slide-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #FF6500, #38BDF8);
  box-shadow: 0 0 10px rgba(255, 101, 0, 0.8);
}

/* Vertical Carousel Navigation Track (Left Margin) */
.vertical-carousel-nav {
  position: absolute;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .vertical-carousel-nav {
    left: 0.75rem;
    gap: 1rem;
  }
}

.vertical-track-line {
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: rgba(255, 255, 255, 0.4);
  z-index: 0;
}

.vertical-dot-btn {
  position: relative;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: transparent;
  border: 2px solid #FFFFFF;
  cursor: pointer;
  z-index: 1;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.vertical-dot-btn:hover {
  transform: scale(1.3);
  border-color: #38BDF8;
}

.vertical-dot-btn.active {
  background: #3B82F6;
  border-color: #FFFFFF;
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.95), 0 0 0 2px #3B82F6;
  transform: scale(1.25);
}

/* Right Floating Social Media Sidebar */
.floating-social-sidebar {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (max-width: 768px) {
  .floating-social-sidebar {
    right: 0.75rem;
    gap: 0.5rem;
  }
}

.social-circle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.social-circle-btn:hover {
  background: #FFFFFF;
  color: #0284C7;
  transform: scale(1.15) translateX(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   MINIMALIST NAVBAR DROPDOWN MENUS
   ========================================================================== */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu-wrapper {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 230px;
  background: #FFFFFF;
  border-radius: 1.25rem;
  padding: 0.5rem 0.4rem;
  border: 1px solid #E2E8F0;
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.03);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
  z-index: 50;
}

.dropdown-menu-wrapper::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.nav-item-dropdown:hover .dropdown-menu-wrapper {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.55rem 0.95rem;
  font-size: 0.8125rem; /* 13px */
  font-weight: 500;
  color: #334155;
  border-radius: 0.75rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.dropdown-link:hover {
  background: #FFF7ED;
  color: #EA580C;
  padding-left: 1.2rem;
}

.nav-item-dropdown .chevron-icon {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item-dropdown:hover .chevron-icon {
  transform: rotate(180deg);
  color: #FF6500;
}

/* Halo Ring on Executive Circle Portraits */
.executive-portrait-ring {
  position: relative;
}

.executive-portrait-ring::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 101, 0, 0.5), rgba(56, 189, 248, 0.5));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  transform: scale(0.95);
}

.executive-portrait-ring:hover::after {
  opacity: 1;
  transform: scale(1.05);
}