/* ==========================================================================
   RIFFAS SERVICES - CORE DESIGN SYSTEM & MASTER STYLESHEET
   Curated Aesthetics: HSL Tokens, Glassmorphism, Theme Sync & Micro-Animations
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800;900&family=Playfair+Display:ital,wght@1,400;1,700&display=swap');

:root {
  /* HSL Color Palette - Light Mode */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #001432;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --color-primary: #0056b3;
  --color-primary-rgb: 0, 86, 179;
  --color-secondary: #00a8ff;
  --color-accent: #00d2ff;
  --color-accent-rgb: 0, 210, 255;
  --color-rose: #f43f5e;
  --color-rose-bg: #fff1f2;
  
  --border-color: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.07), 0 8px 10px -6px rgba(0, 0, 0, 0.07);
  --shadow-premium: 0 30px 100px -20px rgba(0, 86, 179, 0.1);
  
  --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --radius-custom: 2rem;
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Tokens Override */
html.dark {
  --bg-primary: #020617;
  --bg-secondary: #0b0f19;
  --bg-card: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-color: rgba(255, 255, 255, 0.05);
  --glass-bg: rgba(11, 15, 25, 0.8);
  --glass-border: rgba(255, 255, 255, 0.05);
  --shadow-premium: 0 30px 100px -20px rgba(0, 210, 255, 0.08);
}

/* ==========================================================================
   A. GLOBAL RESET & CORE LAYOUT
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.5s cubic-bezier(0.16, 1, 0.3, 1), color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.container-max {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

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

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* ==========================================================================
   B. CORE TYPOGRAPHY & BUTTON SYSTEM
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.text-glow {
  text-shadow: 0 0 40px rgba(0, 210, 255, 0.3);
}

.font-display {
  font-family: var(--font-serif);
}

.text-muted-custom {
  color: var(--text-secondary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 50%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-premium {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  box-shadow: 0 20px 40px -10px rgba(0, 86, 179, 0.4);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-premium::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
}

.btn-premium:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 25px 50px -10px rgba(0, 86, 179, 0.5);
}

.btn-premium:hover::before {
  opacity: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background-color: #ffffff;
  color: #001432;
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   C. GLASSMORPHIC NAVBAR & LAYOUT BLOCKS
   ========================================================================== */
.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-smooth);
}

.top-bar {
  background-color: #001432;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  padding: 0.65rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.fixed-header.scrolled .top-bar {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.navbar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  transition: var(--transition-smooth);
}

.fixed-header.scrolled .navbar {
  padding: 0.75rem 2rem;
  background-color: var(--glass-bg);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--glass-border);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-brand {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--color-primary);
}

.nav-brand span {
  color: var(--color-accent);
  transition: color 0.3s ease;
}

.nav-brand:hover span {
  color: var(--color-secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

.nav-item:hover, .nav-item.active {
  color: var(--color-primary);
}

html.dark .nav-item:hover, html.dark .nav-item.active {
  color: var(--color-accent);
}

.nav-item:hover::after, .nav-item.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mobile-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

/* Mobile Drawer Overlay */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 380px;
  background-color: var(--bg-secondary);
  z-index: 150;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  padding: 6rem 2.5rem 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 20, 50, 0.6);
  backdrop-filter: blur(8px);
  z-index: 140;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: auto;
}

.mobile-drawer-link {
  font-size: 1.25rem;
  font-weight: 800;
  padding: 1rem;
  border-radius: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.mobile-drawer-link.active {
  background-color: var(--color-primary);
  color: #ffffff;
}

.mobile-drawer-link:not(.active):hover {
  background-color: var(--bg-primary);
}

/* ==========================================================================
   D. HERO BANNER COVER & PARTICLES
   ========================================================================== */
.hero-section {
  position: relative;
  height: 900px;
  display: flex;
  align-items: center;
  background-color: #001432;
  color: #ffffff;
  overflow: hidden;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.6) contrast(1.15);
  transform: scale(1.02);
  transition: transform 10s ease;
  z-index: -3;
}

.hero-section:hover .hero-bg {
  transform: scale(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #001432 0%, rgba(0, 20, 50, 0.6) 60%, transparent 100%);
  z-index: -2;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(0, 86, 179, 0.2);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: var(--color-accent);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 5rem;
  line-height: 1;
  font-weight: 900;
  margin-bottom: 2rem;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.hero-desc {
  font-size: 1.25rem;
  color: #cbd5e1;
  max-width: 600px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  max-width: 600px;
}

.avatar-stack {
  display: flex;
  margin-left: 0.5rem;
}

.avatar-stack img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid #001432;
  margin-left: -1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

.avatar-stack img:hover {
  transform: translateY(-4px) scale(1.1);
  z-index: 10;
}

/* ==========================================================================
   E. DYNAMIC COMPONENTS (CARDS, GRIDS, METHODOLOGY)
   ========================================================================== */
.section-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 5rem auto;
}

.section-label {
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: 1rem;
}

html.dark .section-label {
  color: var(--color-accent);
}

.section-title {
  font-size: 3rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 900;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Services specializations grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-custom);
  padding: 3rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(0, 86, 179, 0.2);
}

html.dark .service-card:hover {
  border-color: rgba(0, 210, 255, 0.15);
}

.service-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background-color: rgba(0, 86, 179, 0.05);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrapper {
  background-color: var(--color-primary);
  color: #ffffff;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

.service-card:hover .service-title {
  color: var(--color-primary);
}

html.dark .service-card:hover .service-title {
  color: var(--color-accent);
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  transition: gap 0.3s ease;
}

.service-card:hover .service-link {
  color: var(--color-primary);
  gap: 0.8rem;
}

html.dark .service-card:hover .service-link {
  color: var(--color-accent);
}

/* Bento-like CTA card */
.bento-cta-card {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 3rem;
  border-radius: var(--radius-custom);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.bento-cta-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  z-index: -1;
  opacity: 0.8;
}

.bento-cta-title {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.bento-cta-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  margin-bottom: 3rem;
}

/* About Home section */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-block {
  position: relative;
}

.about-img-wrap {
  border-radius: var(--radius-custom);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.experience-badge {
  position: absolute;
  bottom: -2.5rem;
  right: -2.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 2.5rem;
  border-radius: var(--radius-custom);
  box-shadow: var(--shadow-lg);
  animation: float-badge 6s ease-in-out infinite;
}

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

.experience-badge h4 {
  font-size: 2.5rem;
  font-weight: 900;
}

.experience-badge p {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.85;
}

.about-content-block ul {
  list-style: none;
  margin-bottom: 3rem;
}

.about-content-block li {
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.about-content-block li svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

html.dark .about-content-block li svg {
  color: var(--color-accent);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2.5rem;
}

.stat-item {
  cursor: default;
}

.stat-val {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  transition: transform 0.3s ease, color 0.3s ease;
}

html.dark .stat-val {
  color: var(--color-accent);
}

.stat-item:hover .stat-val {
  transform: scale(1.08);
  color: var(--color-secondary);
}

.stat-lbl {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* Portfolio grid with categorization filters */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 4rem;
}

.filter-btn {
  padding: 0.65rem 1.5rem;
  border-radius: 50px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  background-color: var(--border-color);
}

.filter-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
  gap: 3rem;
}

.portfolio-card {
  position: relative;
  height: 400px;
  border-radius: var(--radius-custom);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-card:hover img {
  transform: scale(1.08);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 20, 50, 0.95) 0%, rgba(0, 20, 50, 0.4) 60%, transparent 100%);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  transition: opacity 0.5s ease;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-cat {
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
  transform: translateY(15px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.portfolio-title {
  color: #ffffff;
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 1rem;
  transform: translateY(15px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}

.portfolio-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  transform: translateY(15px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}

.portfolio-card:hover .portfolio-cat,
.portfolio-card:hover .portfolio-title,
.portfolio-card:hover .portfolio-desc {
  transform: translateY(0);
}

.portfolio-actions {
  display: flex;
  gap: 1rem;
  transform: translateY(15px);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.25s;
}

.portfolio-card:hover .portfolio-actions {
  transform: translateY(0);
}

.portfolio-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #ffffff;
  color: #001432;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.portfolio-btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.portfolio-btn-primary {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.portfolio-btn-primary:hover {
  background-color: var(--color-secondary);
}

/* Process section (Timeline connectors) */
.process-section {
  background-color: #001432;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
  opacity: 0.03;
  z-index: -1;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2.5rem;
  position: relative;
  margin-top: 4rem;
}

/* Desktop Connecting Line */
.process-timeline::after {
  content: '';
  position: absolute;
  top: 85px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 20%, rgba(255, 255, 255, 0.1) 80%, transparent 100%);
  z-index: 0;
}

.process-card {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-custom);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  z-index: 1;
}

.process-card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 210, 255, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(0, 210, 255, 0.15);
}

.process-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background-color: #001432;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  position: relative;
}

.process-card:hover .process-icon-wrap {
  color: var(--color-accent);
  border-color: rgba(0, 210, 255, 0.5);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.2);
}

.process-step-num {
  font-size: 0.65rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #64748b;
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

.process-card:hover .process-step-num {
  color: var(--color-accent);
}

.process-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.process-card-desc {
  color: #94a3b8;
  font-size: 0.75rem;
  line-height: 1.6;
}

/* ==========================================================================
   F. PRICING GRIDS & DETAILED ACCORDIONS
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-custom);
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
}

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

.pricing-card.recommended {
  border-2px: 2px solid var(--color-primary);
  transform: scale(1.05);
  z-index: 10;
}

html.dark .pricing-card.recommended {
  border-color: var(--color-secondary);
}

.pricing-card.recommended:hover {
  transform: scale(1.05) translateY(-8px);
}

.popular-ribbon {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.4rem 1.25rem;
  border-radius: 50px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.pricing-cost {
  display: flex;
  align-items: baseline;
  margin-bottom: 3rem;
}

.pricing-amount {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: 0.75rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 3rem;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.pricing-features li svg {
  color: #22c55e;
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
  padding: 1.1rem;
  border-radius: 16px;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  transition: var(--transition-smooth);
}

.pricing-card.recommended .pricing-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 15px 30px rgba(0, 86, 179, 0.3);
}

.pricing-card.recommended .pricing-btn:hover {
  background-color: var(--color-secondary);
  box-shadow: 0 20px 40px rgba(0, 168, 255, 0.4);
}

.pricing-card:not(.recommended) .pricing-btn {
  background-color: var(--bg-primary);
  color: var(--color-primary);
  border: 1px solid var(--border-color);
}

.pricing-card:not(.recommended) .pricing-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
}

.faq-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-custom);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-card.open {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.faq-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 2.5rem;
  text-align: left;
}

.faq-question {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.faq-card.open .faq-question {
  color: var(--color-primary);
}

html.dark .faq-card.open .faq-question {
  color: var(--color-accent);
}

.faq-trigger-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.faq-card.open .faq-trigger-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: rotate(180deg);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.faq-card.open .faq-panel {
  max-height: 500px;
  opacity: 1;
}

.faq-content {
  padding: 0 2.5rem 2.5rem 2.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   G. DYNAMIC INTERACTIVE CONTACT CONFIGURATOR
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 5rem;
}

.contact-left-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.switchboard-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-custom);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.switchboard-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background-color: rgba(0, 210, 255, 0.03);
  border-radius: 0 0 0 100%;
}

.switchboard-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 2rem;
}

.switchboard-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.switchboard-item:last-child {
  margin-bottom: 0;
}

.switchboard-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background-color: var(--bg-primary);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.switchboard-lbl {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.switchboard-val {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.switchboard-val:hover {
  color: var(--color-primary);
}

.configurator-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-custom);
  padding: 5rem;
  box-shadow: var(--shadow-premium);
}

.form-title {
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 3.5rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.form-group {
  position: relative;
  margin-bottom: 2.5rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  margin-bottom: 0.75rem;
  margin-left: 0.25rem;
}

.form-input-wrapper {
  position: relative;
}

.form-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.form-input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem 1.5rem 1.25rem 3.5rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  outline: none;
  transition: var(--transition-smooth);
}

select.form-input {
  appearance: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.08);
}

textarea.form-input {
  padding-top: 1.5rem;
  resize: vertical;
}

/* File Upload block */
.upload-btn-wrap {
  position: relative;
}

.upload-label-card {
  width: 100%;
  background-color: var(--bg-primary);
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.upload-label-card:hover {
  background-color: rgba(0, 86, 179, 0.03);
  border-color: var(--color-primary);
}

.upload-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.upload-label-card:hover .upload-icon {
  color: var(--color-primary);
}

.upload-details h5 {
  font-size: 0.8rem;
  font-weight: 800;
}

.upload-details p {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.file-ready-card {
  width: 100%;
  background-color: rgba(0, 86, 179, 0.05);
  border: 1px solid rgba(0, 86, 179, 0.1);
  border-radius: 16px;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.file-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  overflow: hidden;
}

.file-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #ffffff;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.file-meta h5 {
  font-size: 0.8rem;
  font-weight: 800;
  max-width: 180px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.file-meta p {
  font-size: 0.65rem;
  color: var(--text-secondary);
  font-weight: 800;
  text-transform: uppercase;
}

.file-delete-btn {
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.file-delete-btn:hover {
  color: var(--color-rose);
}

/* Success Card */
.contact-success-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

.success-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.success-title {
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.success-msg {
  color: var(--text-secondary);
  max-width: 480px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Operational Banner */
.operational-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.15);
  color: var(--color-accent);
  padding: 0.65rem 1.5rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.operational-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #22c55e;
  animation: pulse-green 2s infinite;
}

.operational-dot.closed {
  background-color: var(--color-rose);
  animation: none;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Discovery calendar scheduling slots */
.slots-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.slot-day-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-smooth);
}

.slot-day-btn:hover {
  border-color: var(--color-primary);
}

.slot-day-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.slot-day-lbl {
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
}

.slot-date-val {
  font-size: 1.5rem;
  font-weight: 900;
}

.time-slots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.time-slot-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.time-slot-btn:hover {
  border-color: var(--color-primary);
}

.time-slot-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* Department Tab Selector */
.dept-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.dept-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background-color: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.dept-tab-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.dept-tab-btn.active {
  background-color: var(--color-accent);
  color: #001432;
  border-color: var(--color-accent);
  box-shadow: 0 15px 30px rgba(0, 210, 255, 0.3);
  transform: scale(1.05);
}

/* ==========================================================================
   H. PERSISTENT INTEGRATED CHAT WIDGET
   ========================================================================== */
.chat-widget-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
}

.chat-trigger-bubble {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: #001432;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), 0 20px 40px rgba(0, 0, 0, 0.2);
  transition: var(--transition-smooth);
  position: relative;
}

.chat-trigger-bubble:hover {
  transform: scale(1.1) rotate(10deg);
}

.chat-trigger-bubble.open {
  transform: scale(0.9) rotate(90deg);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.chat-notification-dot {
  position: absolute;
  top: 0;
  right: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid #ffffff;
}

/* Chat Board Screen */
.chat-board {
  position: absolute;
  bottom: 5rem;
  right: 0;
  width: 380px;
  height: 560px;
  background-color: var(--bg-secondary);
  border-radius: 2.5rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
}

.chat-board.open {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}

.chat-header {
  background-color: #001432;
  color: #ffffff;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.chat-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
  opacity: 0.1;
}

.chat-agent-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.chat-agent-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px rgba(0, 210, 255, 0.2);
}

.chat-agent-title {
  font-size: 0.85rem;
  font-weight: 800;
}

.chat-agent-status {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.chat-agent-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #22c55e;
}

.chat-close-btn {
  color: #ffffff;
  opacity: 0.6;
  transition: opacity 0.3s ease;
  position: relative;
  z-index: 1;
}

.chat-close-btn:hover {
  opacity: 1;
}

.chat-sync-bar {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.chat-sync-providers a {
  color: var(--color-primary);
  margin-left: 0.5rem;
}

.chat-sync-providers a:hover {
  text-decoration: underline;
}

.chat-messages-area {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-bubble-row {
  display: flex;
  width: 100%;
}

.chat-bubble-row.user {
  justify-content: flex-end;
}

.chat-bubble-row.model {
  justify-content: flex-start;
}

.chat-bubble-wrap {
  display: flex;
  gap: 0.75rem;
  max-width: 85%;
}

.chat-bubble-row.user .chat-bubble-wrap {
  flex-direction: row-reverse;
}

.chat-bubble-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: var(--bg-primary);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.chat-bubble-row.model .chat-bubble-icon {
  background-color: rgba(0, 86, 179, 0.05);
  color: var(--color-primary);
}

.chat-text {
  padding: 1rem;
  border-radius: 16px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.chat-bubble-row.user .chat-text {
  background-color: var(--color-primary);
  color: #ffffff;
  border-top-right-radius: 0;
  box-shadow: var(--shadow-sm);
}

.chat-bubble-row.model .chat-text {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-top-left-radius: 0;
  border: 1px solid var(--border-color);
}

/* Typing bubble */
.chat-typing-dots {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  padding: 1rem;
}

.chat-typing-dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out both;
}

.chat-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.chat-typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Quick replies list */
.chat-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.chat-quick-btn {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 800;
  transition: var(--transition-smooth);
}

.chat-quick-btn:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

/* Chat Input footer */
.chat-footer {
  padding: 1rem 1.5rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.chat-form-el {
  position: relative;
}

.chat-input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1rem 3.5rem 1rem 1.25rem;
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.chat-input:focus {
  border-color: var(--color-primary);
  background-color: var(--bg-secondary);
}

.chat-send-btn {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.chat-send-btn:hover:not(:disabled) {
  background-color: var(--color-secondary);
}

.chat-send-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.chat-branding {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   I. RE-USABLE & GLOBAL LAYOUT PARTS (FOOTER, PRELOADER)
   ========================================================================== */
.footer {
  position: relative;
  background-color: #001432;
  color: #ffffff;
  padding-top: 8rem;
  padding-bottom: 3rem;
  overflow: hidden;
  z-index: 1;
}

.footer-video-wrap {
  position: absolute;
  inset: 0;
  z-index: -3;
  pointer-events: none;
}

.footer-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.08;
  filter: grayscale(1);
}

.footer-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, #001432 0%, rgba(0, 20, 50, 0.8) 60%, #001432 100%);
  z-index: -2;
}

.footer-marquee-wrap {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1.5rem 0;
  margin-bottom: 5rem;
}

.footer-marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.footer-marquee-text {
  font-size: 4rem;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
  padding-right: 2rem;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.15);
}

.footer-marquee-track.fallback-active {
  animation: marquee-scroll 25s linear infinite;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.footer-cta-block {
  text-align: center;
  margin-bottom: 6rem;
}

.footer-cta-title {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 2rem;
}

.footer-cta-title span {
  color: var(--text-muted);
}

.footer-cta-mail {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-accent);
  transition: var(--transition-smooth);
}

.footer-cta-mail:hover {
  color: #ffffff;
  text-shadow: 0 0 30px rgba(0, 210, 255, 0.4);
}

.footer-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 3rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-socials {
  display: flex;
  gap: 1.5rem;
}

.footer-social-link {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  transition: color 0.3s ease;
}

.footer-social-link:hover {
  color: var(--color-accent);
}

.footer-availability {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: #94a3b8;
}

.footer-availability .operational-dot {
  width: 8px;
  height: 8px;
}

.footer-copyright {
  font-size: 0.75rem;
  font-weight: 800;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* PRELOADER INTRO */
.preloader {
  position: fixed;
  inset: 0;
  background-color: #001432;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.preloader-label {
  font-size: 0.7rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 2rem;
}

.preloader-words {
  height: 60px;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.preloader-word {
  position: absolute;
  font-size: 3rem;
  font-weight: 900;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(30px);
  filter: blur(10px);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease, filter 0.6s ease;
}

.preloader-word.active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.preloader-word.exit {
  opacity: 0;
  transform: translateY(-30px);
  filter: blur(10px);
}

.preloader-counter {
  font-size: 6rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  margin-top: 3rem;
}

.preloader-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.05);
}

.preloader-progress-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.1s linear;
}

/* ==========================================================================
   J. RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */
@media (max-width: 1200px) {
  .hero-title {
    font-size: 4rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 500px;
    margin: 0 auto;
  }
  .pricing-card.recommended {
    transform: none;
  }
  .pricing-card.recommended:hover {
    transform: translateY(-8px);
  }
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .process-timeline::after {
    display: none;
  }
}

@media (max-width: 1024px) {
  .mobile-nav-toggle {
    display: flex;
  }
  .nav-menu, .nav-actions .btn-premium {
    display: none;
  }
  .about-split {
    grid-template-columns: 1fr;
    gap: 6rem;
  }
  .experience-badge {
    bottom: -1rem;
    right: -1rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .configurator-panel {
    padding: 3rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    height: auto;
    padding: 10rem 0 6rem 0;
  }
  .hero-title {
    font-size: 3rem;
  }
  .hero-actions {
    flex-direction: column;
  }
  .section-title {
    font-size: 2.25rem;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-card {
    height: 320px;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .slots-container {
    grid-template-columns: repeat(3, 1fr);
  }
  .chat-board {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    bottom: 0;
    border-radius: 0;
    z-index: 250;
  }
}