/* ==========================================================================
   A-Z TEKNOLOJİ - NEXT-GEN CYBER LUXURY DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Brand Color Palette */
  --color-primary: #4DB7B3;
  --color-primary-light: #70dfdb;
  --color-primary-dark: #2a8f8b;
  --color-cyan-neon: #00F2FE;
  --color-blue-neon: #4FACFE;
  --color-accent-emerald: #10B981;
  --color-accent-amber: #F59E0B;
  --color-accent-purple: #8B5CF6;

  /* Dark Theme Surfaces */
  --bg-space-dark: #050811;
  --bg-card: rgba(13, 20, 36, 0.75);
  --bg-card-hover: rgba(20, 32, 56, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --bg-glass-heavy: rgba(8, 14, 26, 0.88);
  --bg-surface: #0B1120;
  --bg-surface-elevated: #111A2E;

  /* Typography Colors */
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --text-highlight: #4DB7B3;

  /* Borders & Specular Glows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(77, 183, 179, 0.25);
  --border-glow: rgba(0, 242, 254, 0.4);
  --glow-primary: 0 0 25px rgba(77, 183, 179, 0.35);
  --glow-cyan: 0 0 35px rgba(0, 242, 254, 0.45);
  --glow-subtle: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Layout & Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-space-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  line-height: 1.6;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-space-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(77, 183, 179, 0.4);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Background Ambient Lighting Blobs */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
}

.ambient-glow-1 {
  top: -10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #4DB7B3, transparent 70%);
}

.ambient-glow-2 {
  top: 40%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, #0284c7, transparent 70%);
}

.ambient-glow-3 {
  bottom: 5%;
  left: 20%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #10B981, transparent 70%);
}

/* Subtle Cyber Grid Matrix Overlay */
.cyber-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 90%);
}

/* 3D WebGL Canvas Layer */
#webgl-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

/* Main Content Layer */
.content-wrapper {
  position: relative;
}

/* Typography & General Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--color-primary-light) 70%, var(--color-cyan-neon) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Header */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  background: rgba(77, 183, 179, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--border-glass);
  margin-bottom: 1rem;
  box-shadow: 0 0 15px rgba(77, 183, 179, 0.15);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
  border: none;
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #0ea5e9);
  color: #030712;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(77, 183, 179, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(77, 183, 179, 0.55);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-cyan-neon));
}

.btn-glow-pulse {
  animation: pulse-glow 2.5s infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(77, 183, 179, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.8);
  }
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glass);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: rgba(77, 183, 179, 0.15);
  box-shadow: var(--glow-primary);
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77, 183, 179, 0.5), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass);
  box-shadow: var(--glow-subtle), 0 0 20px rgba(77, 183, 179, 0.15);
  transform: translateY(-4px);
}

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

/* ==========================================================================
   NAVIGATION / HEADER (FLOATING GLASS PILL NAVBAR)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2000;
  padding: 1.25rem 0;
  transition: var(--transition-smooth);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  pointer-events: none;
  z-index: -1;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  padding: 0.65rem 0;
}

.site-header.scrolled::before {
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(77, 183, 179, 0.25), rgba(0, 242, 254, 0.08));
  border: 1px solid var(--border-glass);
  box-shadow: var(--glow-primary);
  color: var(--color-primary);
  font-weight: 800;
  font-family: var(--font-display);
  position: relative;
  flex-shrink: 0;
}

.logo-badge::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary), transparent 70%);
  z-index: -1;
  opacity: 0.5;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.5rem;
  border-radius: 9999px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  margin: 0;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  position: relative;
  padding: 0.45rem 0.85rem;
  border-radius: 9999px;
  white-space: nowrap;
  display: inline-block;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary-light);
  background: rgba(77, 183, 179, 0.14);
}

.nav-link.active {
  box-shadow: 0 0 12px rgba(77, 183, 179, 0.2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.lang-switch {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}

.lang-btn {
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lang-btn.active {
  background: var(--color-primary);
  color: #040812;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  padding-bottom: 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 5;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem;
  border-radius: 9999px;
  background: rgba(77, 183, 179, 0.12);
  border: 1px solid var(--border-glass);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan-neon);
  box-shadow: 0 0 10px var(--color-cyan-neon);
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
  100% { transform: scale(0.9); opacity: 1; }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2.25rem;
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-dim);
  font-weight: 500;
}

/* Hero 3D Card HUD Container */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hud-glass-panel {
  width: 100%;
  max-width: 460px;
  background: rgba(11, 19, 36, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(77, 183, 179, 0.3);
  border-radius: 24px;
  padding: 1.75rem;
  box-shadow: var(--glow-primary), 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  position: relative;
  z-index: 5;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
}

.hud-status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent-emerald);
}

.hud-radar-circle {
  width: 8px;
  height: 8px;
  background: var(--color-accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent-emerald);
}

.hud-items-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hud-feature-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.hud-feature-row:hover, .hud-feature-row.active {
  background: rgba(77, 183, 179, 0.12);
  border-color: var(--border-glass);
  transform: translateX(4px);
}

.hud-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(77, 183, 179, 0.15);
  color: var(--color-primary);
  font-size: 1.2rem;
}

.hud-feature-info {
  flex: 1;
}

.hud-feature-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
}

.hud-feature-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hud-metric-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Floating Badges */
.floating-hud-badge {
  position: absolute;
  background: rgba(8, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 0.75rem 1.25rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  z-index: 6;
  animation: float-anim 5s ease-in-out infinite;
}

.floating-hud-badge.top-right {
  top: -20px;
  right: -20px;
  animation-delay: 0s;
}

.floating-hud-badge.bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: 2.5s;
}

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

/* ==========================================================================
   SERVICES SECTION (3D PILLARS)
   ========================================================================== */
.services-section {
  padding: 7rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 2.25rem;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(77, 183, 179, 0.6), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.4;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--border-glass);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8), var(--glow-primary);
}

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

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(77, 183, 179, 0.2), rgba(0, 242, 254, 0.05));
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  box-shadow: var(--glow-primary);
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrapper {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyan-neon));
  color: #030712;
}

.service-tag-pill {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  transition: var(--transition-smooth);
}

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

.service-summary {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.service-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.service-features-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.service-features-list li i {
  color: var(--color-primary);
  font-size: 0.85rem;
}

.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.service-card-footer i {
  transition: var(--transition-smooth);
}

.service-card:hover .service-card-footer i {
  transform: translateX(6px);
}

/* ==========================================================================
   INTERACTIVE 3D VILLA / SMART INFRASTRUCTURE SIMULATOR
   ========================================================================== */
.simulator-section {
  padding: 7rem 0;
  position: relative;
  background: linear-gradient(180deg, transparent, rgba(11, 17, 32, 0.8) 50%, transparent);
}

.simulator-container {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 2.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
}

.simulator-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sim-toggle-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.25rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sim-toggle-card:hover {
  background: rgba(77, 183, 179, 0.08);
  border-color: var(--border-glass);
}

.sim-toggle-card.active {
  background: rgba(77, 183, 179, 0.15);
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.sim-toggle-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sim-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.35rem;
  transition: var(--transition-smooth);
}

.sim-toggle-card.active .sim-icon-box {
  background: var(--color-primary);
  color: #030712;
}

.sim-toggle-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.sim-toggle-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.sim-status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: var(--transition-smooth);
}

.sim-toggle-card.active .sim-status-indicator {
  background: var(--color-accent-emerald);
  box-shadow: 0 0 12px var(--color-accent-emerald);
}

/* Simulator Visual Display */
.simulator-display {
  position: relative;
  min-height: 440px;
  border-radius: 20px;
  overflow: hidden;
  background: #060B17;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-visual-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}

.sim-visual-layer.active {
  opacity: 1;
}

.sim-overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 11, 23, 0.95) 15%, rgba(6, 11, 23, 0.4) 60%, transparent 100%);
}

.sim-badge-overlay {
  position: relative;
  z-index: 2;
  background: rgba(11, 19, 36, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.25rem;
}

.sim-badge-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.sim-badge-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-light);
}

.sim-badge-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent-emerald);
}

.sim-badge-text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PROJECTS & PORTFOLIO SECTION
   ========================================================================== */
.projects-section {
  padding: 7rem 0;
  position: relative;
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.5rem 0 3.5rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-primary);
  color: #030712;
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glass);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7);
}

.project-image-wrapper {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #0F172A;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.project-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: 8px;
  background: rgba(8, 14, 26, 0.85);
  backdrop-filter: blur(10px);
  color: var(--color-primary-light);
  border: 1px solid var(--border-glass);
}

.project-location {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-size: 0.75rem;
  color: #FFFFFF;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.project-content {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   SMART PROJECT / BUDGET ESTIMATOR WIZARD
   ========================================================================== */
.estimator-section {
  padding: 7rem 0;
  position: relative;
}

.estimator-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 3rem;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.8), var(--glow-primary);
  max-width: 960px;
  margin: 3.5rem auto 0;
  position: relative;
}

.wizard-steps-nav {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 2.5rem;
}

.wizard-steps-nav::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border-subtle);
  z-index: 1;
  transform: translateY(-50%);
}

.step-indicator {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-dim);
  transition: var(--transition-smooth);
}

.step-indicator.active .step-circle {
  border-color: var(--color-primary);
  color: #030712;
  background: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.step-indicator.completed .step-circle {
  background: var(--color-accent-emerald);
  border-color: var(--color-accent-emerald);
  color: #030712;
}

.step-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.step-indicator.active .step-title {
  color: var(--text-main);
}

/* Wizard Options Grid */
.wizard-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.option-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.option-box:hover {
  background: rgba(77, 183, 179, 0.06);
  border-color: var(--border-glass);
}

.option-box.selected {
  background: rgba(77, 183, 179, 0.16);
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.option-box i {
  font-size: 2rem;
  color: var(--color-primary);
}

.option-box.selected i {
  color: var(--color-cyan-neon);
}

.option-name {
  font-size: 0.9375rem;
  font-weight: 600;
}

/* Multi-select Service Checklist in Step 2 */
.services-checklist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.check-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.check-item:hover {
  border-color: var(--border-glass);
}

.check-item.checked {
  background: rgba(77, 183, 179, 0.12);
  border-color: var(--color-primary);
}

.check-box-indicator {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.check-item.checked .check-box-indicator {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #030712;
}

/* Wizard Summary Box */
.wizard-summary-box {
  background: rgba(11, 19, 36, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 2rem;
  margin: 2rem 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9375rem;
}

.summary-row:last-child {
  border-bottom: none;
  padding-top: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
}

/* ==========================================================================
   WHY CHOOSE US / BRAND ECOSYSTEM
   ========================================================================== */
.why-us-section {
  padding: 7rem 0;
  position: relative;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.advantage-card:hover {
  border-color: var(--border-glass);
  transform: translateY(-6px);
  box-shadow: var(--glow-primary);
}

.adv-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(77, 183, 179, 0.15);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.adv-title {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.adv-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Ecosystem / Brand Logos Marquee */
.brand-ecosystem-section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(5, 8, 17, 0.6);
}

.brand-logos-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  opacity: 0.75;
}

.brand-badge {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 0.6rem 1.25rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-badge:hover {
  color: var(--color-primary-light);
  border-color: var(--border-glass);
  transform: scale(1.05);
}

/* ==========================================================================
   CONTACT SECTION & LOCATION
   ========================================================================== */
.contact-section {
  padding: 7rem 0;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  margin-top: 3.5rem;
}

.contact-info-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(77, 183, 179, 0.15);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.contact-info-title {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.contact-info-value {
  font-size: 1.05rem;
  color: var(--text-main);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.contact-info-value:hover {
  color: var(--color-primary-light);
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
  background: rgba(77, 183, 179, 0.05);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* ==========================================================================
   MODAL / POPUP (SERVICE DEEP DIVE)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9), var(--glow-primary);
  transform: translateY(30px) scale(0.95);
  transition: var(--transition-bounce);
  position: relative;
}

.modal-overlay.active .modal-window {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: var(--color-primary);
  color: #030712;
}

/* ==========================================================================
   FLOATING WHATSAPP & DIRECT ACTIONS
   ========================================================================== */
.floating-whatsapp-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 990;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wa-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  transition: var(--transition-smooth);
}

.wa-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 35px rgba(37, 211, 102, 0.7);
}

.wa-tooltip {
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  animation: pulse-tooltip 3s infinite;
}

@keyframes pulse-tooltip {
  0%, 100% { opacity: 0.9; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(-4px); }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #040711;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
  position: relative;
  z-index: 5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col-title {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--color-primary-light);
  transform: translateX(4px);
  display: inline-block;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (COMPREHENSIVE MOBILE OPTIMIZATION)
   ========================================================================== */

/* Drawer Backdrop for Mobile */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 6, 14, 0.7);
  z-index: 2005;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-backdrop.active {
  display: block;
  opacity: 1;
}

.drawer-header, .drawer-footer {
  display: none !important;
}

/* Tablet & Mobile Navigation Breakpoint (<= 1040px) */
@media (max-width: 1040px) {
  .mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    color: var(--text-main);
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 2030;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-toggle:hover, .mobile-toggle.active {
    background: rgba(77, 183, 179, 0.2);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
  }

  .mobile-toggle svg,
  .mobile-toggle svg * {
    pointer-events: none;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: #090e1c !important;
    border-left: 1px solid rgba(77, 183, 179, 0.35);
    border-radius: 0;
    box-shadow: -15px 0 50px rgba(0, 0, 0, 0.95);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 1.25rem 1.25rem 2rem;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2020;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
  }

  .nav-menu.active {
    transform: translateX(0);
    pointer-events: auto;
  }

  .drawer-header {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
    width: 100%;
    list-style: none;
  }

  .drawer-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-main);
  }

  .drawer-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    color: var(--text-main);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    touch-action: manipulation;
  }

  .drawer-close-btn:hover {
    background: rgba(77, 183, 179, 0.2);
    color: var(--color-primary-light);
  }

  .drawer-footer {
    display: flex !important;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-subtle);
    width: 100%;
    list-style: none;
  }

  .nav-menu li {
    width: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-link {
    width: 100%;
    padding: 0.85rem 1.15rem;
    font-size: 1rem;
    font-weight: 600;
    color: #F8FAFC;
    border-radius: 12px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
  }

  .nav-link:hover, .nav-link.active {
    color: var(--color-primary-light);
    background: rgba(77, 183, 179, 0.15);
    border-color: rgba(77, 183, 179, 0.35);
    box-shadow: 0 0 15px rgba(77, 183, 179, 0.2);
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .simulator-container {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Medium Mobile & Tablet (<= 768px) */
@media (max-width: 768px) {
  /* Header adjustments: prevent wrapping on phones */
  .site-header .nav-actions .btn {
    display: none;
  }

  .brand-logo {
    font-size: 1.125rem;
    gap: 0.6rem;
  }

  .logo-badge {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
  }

  .nav-actions {
    gap: 0.5rem;
  }

  .lang-btn {
    padding: 3px 6px;
    font-size: 0.7rem;
  }

  /* Hero adjustments */
  .hero-section {
    padding-top: 6.5rem;
    padding-bottom: 3rem;
  }

  .hero-title {
    font-size: clamp(2rem, 7.5vw, 3rem);
    line-height: 1.15;
    word-break: break-word;
  }

  .hero-lead {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    padding-top: 1.5rem;
  }

  .stat-number {
    font-size: 1.85rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .hud-glass-panel {
    padding: 1.25rem;
    border-radius: 20px;
  }

  /* Simulator adjustments */
  .simulator-section {
    padding: 4rem 0;
  }

  .simulator-container {
    padding: 1.5rem 1.25rem;
    border-radius: 20px;
    gap: 1.5rem;
  }

  .simulator-display {
    min-height: 340px;
    border-radius: 16px;
  }

  .sim-visual-layer {
    padding: 1.25rem;
  }

  .sim-badge-overlay {
    padding: 1rem;
    border-radius: 12px;
  }

  /* Grids adjustments */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-card {
    padding: 1.75rem 1.25rem;
    border-radius: 20px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project-image-wrapper {
    height: 230px;
  }

  .project-content {
    padding: 1.5rem 1.25rem;
  }

  .portfolio-filters {
    gap: 0.5rem;
    margin: 1.5rem 0 2rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }

  .feature-spec-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .spec-box {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }

  .process-flow-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .process-step-card {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .advantage-card {
    padding: 1.5rem 1.25rem;
    border-radius: 16px;
  }

  .brand-logos-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }

  .brand-badge {
    padding: 0.65rem 0.5rem;
    font-size: 0.75rem;
    text-align: center;
  }

  /* Estimator on mobile */
  .estimator-card {
    padding: 1.75rem 1.25rem;
    border-radius: 20px;
  }

  .wizard-options-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .option-box {
    padding: 1.25rem 0.75rem;
    border-radius: 14px;
  }

  .option-box i {
    font-size: 1.75rem;
  }

  .option-name {
    font-size: 0.875rem;
  }

  .wizard-summary-box {
    padding: 1.25rem;
  }

  /* Contact & Form */
  .contact-form-card, .contact-info-card {
    padding: 1.75rem 1.25rem;
    border-radius: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Modal on Mobile */
  .modal-overlay {
    padding: 1rem;
  }

  .modal-window {
    padding: 1.75rem 1.25rem;
    border-radius: 20px;
    max-height: 85vh;
  }

  .modal-close-btn {
    top: 1rem;
    right: 1rem;
  }

  /* Inner pages mobile adjustments */
  .page-header-inner {
    padding-top: 6.5rem;
    padding-bottom: 2.5rem;
  }

  .breadcrumb-nav {
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    max-width: 100%;
    word-break: break-word;
  }

  .inner-page-title {
    font-size: clamp(1.85rem, 6.5vw, 2.75rem);
    word-break: break-word;
    line-height: 1.2;
  }

  .inner-page-lead {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .cta-banner-card {
    padding: 2.5rem 1.25rem;
    border-radius: 20px;
    margin: 3.5rem 0;
  }

  .cta-banner-card .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Small Smartphone Viewport (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .site-header {
    padding: 0.85rem 0;
  }

  .site-header.scrolled {
    padding: 0.55rem 0;
  }

  .hero-section {
    padding-top: 6rem;
    padding-bottom: 2.5rem;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 0.35rem 0.75rem;
    gap: 0.4rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }

  .hud-feature-row {
    padding: 0.6rem 0.75rem;
    gap: 0.6rem;
  }

  .hud-icon-box {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .hud-feature-title {
    font-size: 0.84rem;
  }

  .hud-feature-desc {
    display: none;
  }

  .hud-metric-pill {
    font-size: 0.65rem;
    padding: 0.15rem 0.35rem;
  }

  .simulator-container {
    padding: 1.25rem 0.85rem;
  }

  .simulator-display {
    min-height: 290px;
  }

  .sim-badge-overlay {
    padding: 0.85rem;
  }

  .sim-badge-title {
    font-size: 0.9rem;
  }

  .sim-badge-text {
    font-size: 0.75rem;
  }

  .estimator-card {
    padding: 1.25rem 0.85rem;
  }

  .step-circle {
    width: 32px;
    height: 32px;
    font-size: 0.8125rem;
  }

  .step-title {
    font-size: 0.6875rem;
  }

  .check-item {
    padding: 0.75rem 0.85rem;
    font-size: 0.8125rem;
    gap: 0.6rem;
  }

  .floating-whatsapp-widget {
    bottom: 1.25rem;
    right: 1.25rem;
  }

  .wa-tooltip {
    display: none !important;
  }

  .wa-btn {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  }

  .modal-window {
    padding: 1.5rem 1rem;
  }

  .inner-page-title {
    font-size: 1.85rem;
  }
}

/* ==========================================================================
   INNER PAGES STYLES (PAGE HEADERS, BREADCRUMBS, PROCESS & SPECS)
   ========================================================================== */
.page-header-inner {
  padding-top: 8.5rem;
  padding-bottom: 4rem;
  position: relative;
  text-align: center;
}

.breadcrumb-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.breadcrumb-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.breadcrumb-nav a:hover {
  color: var(--color-primary-light);
}

.breadcrumb-separator {
  color: var(--text-dim);
  font-size: 0.75rem;
}

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

.inner-page-title {
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.inner-page-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* Process Steps Workflow */
.process-flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.process-step-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 1.75rem;
  position: relative;
  transition: var(--transition-smooth);
}

.process-step-card:hover {
  border-color: var(--border-glass);
  transform: translateY(-4px);
  box-shadow: var(--glow-primary);
}

.step-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(77, 183, 179, 0.18);
  color: var(--color-primary-light);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9375rem;
  border: 1px solid var(--border-glass);
  margin-bottom: 1rem;
}

.step-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.step-card-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Feature Spec Grid */
.feature-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.spec-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.spec-box:hover {
  border-color: var(--border-glass);
  box-shadow: var(--glow-primary);
}

.spec-box-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.spec-box-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.spec-box-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* CTA Card Banner */
.cta-banner-card {
  background: linear-gradient(135deg, rgba(13, 20, 36, 0.9), rgba(15, 23, 42, 0.85));
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 3.5rem 2.5rem;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), var(--glow-primary);
  margin: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-banner-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(77, 183, 179, 0.15), transparent 70%);
  pointer-events: none;
}