/* style.css - Core Styling & Design System for Senu Quantum */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================================
   1. CSS Custom Properties & Design Tokens
   ========================================================================== */
:root {
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors */
  --bg-primary: #050811;
  --bg-secondary: #0a0f1d;
  --bg-glass: rgba(13, 20, 38, 0.45);
  --bg-glass-hover: rgba(19, 29, 54, 0.65);
  
  --color-primary: #09bf9c;      /* Cyan-teal glow */
  --color-secondary: #00e5ff;    /* Vibrant neon cyan */
  --color-accent: #7c4dff;       /* Purple gradient touch */
  
  --text-white: #ffffff;
  --text-muted: #9fa4b0;
  --text-dark: #12151c;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 229, 255, 0.15);
  
  /* Shadow & Glows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
  --glow-primary: 0 0 20px rgba(9, 191, 156, 0.35);
  --glow-secondary: 0 0 20px rgba(0, 229, 255, 0.35);

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 18px; /* Increased base text size */
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-white);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.65;
}

/* ==========================================================================
   3. RTL Font connection & Letter-Spacing fixes (Critical)
   ========================================================================== */
[dir="rtl"] {
  --font-heading: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
  --font-body: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
}

[dir="rtl"] h1, 
[dir="rtl"] h2, 
[dir="rtl"] h3, 
[dir="rtl"] h4, 
[dir="rtl"] h5, 
[dir="rtl"] h6,
[dir="rtl"] p, 
[dir="rtl"] a, 
[dir="rtl"] span, 
[dir="rtl"] button, 
[dir="rtl"] input, 
[dir="rtl"] textarea,
[dir="rtl"] .brand-name {
  letter-spacing: 0px !important;
  word-spacing: normal !important;
  text-transform: none !important;
  font-variant-ligatures: normal !important;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, textarea {
  font-family: inherit;
  outline: none;
  background: none;
  border: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ==========================================================================
   4. Custom Fluid Cursor
   ========================================================================== */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--color-secondary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate3d(-100px, -100px, 0);
  transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
  margin-left: -16px;
  margin-top: -16px;
}

.custom-cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate3d(-100px, -100px, 0);
  margin-left: -3px;
  margin-top: -3px;
  transition: transform 0.05s linear, opacity 0.3s ease;
}

.custom-cursor.cursor-hover {
  width: 56px;
  height: 56px;
  background-color: rgba(9, 191, 156, 0.1);
  border-color: var(--color-primary);
  margin-left: -28px;
  margin-top: -28px;
}

.custom-cursor-dot.cursor-hover {
  opacity: 0;
}

@media (pointer: fine) {
  body {
    cursor: none;
  }
  a, button, input, textarea, [data-lang-btn], .logo-wrap, .faq-trigger, .feature-box, .solution-img-wrap, .filter-btn, .portfolio-card {
    cursor: none;
  }
}

@media (pointer: coarse) {
  .custom-cursor, .custom-cursor-dot {
    display: none !important;
  }
}

/* ==========================================================================
   5. Canvas Particles & Background Overflow Protection
   ========================================================================== */
#quantum-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.gradient-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, rgba(124, 77, 255, 0.03) 70%, transparent 100%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
}

.hero-glow-1 {
  top: -10%;
  right: -5%;
}

.hero-glow-2 {
  bottom: 20%;
  left: -10%;
}

/* ==========================================================================
   6. Header & Navbar
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(12px);
  background-color: rgba(5, 8, 17, 0.7);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

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

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 46px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 30%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding-block: 0.5rem;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-white);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: var(--transition-smooth);
}

[dir="rtl"] .nav-link::after {
  left: auto;
  right: 0;
}

.nav-link:hover::after {
  width: 100%;
}

.lang-switcher {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.lang-btn:hover {
  color: var(--text-white);
}

.lang-btn.active {
  background-color: var(--color-primary);
  color: var(--text-dark);
  box-shadow: var(--glow-primary);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  height: 24px;
  justify-content: center;
  z-index: 101;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-white);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   7. Hero Section & Interactive Cyber Core SVG
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-block-start: 120px;
  padding-block-end: 60px;
  overflow: hidden;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(9, 191, 156, 0.08);
  border: 1px solid rgba(9, 191, 156, 0.25);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-block-end: 1.5rem;
  box-shadow: 0 0 15px rgba(9, 191, 156, 0.05);
}

.hero-badge span::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  margin-inline-end: 8px;
  box-shadow: var(--glow-primary);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-block-end: 1.5rem;
  background: linear-gradient(135deg, #ffffff 40%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-block-end: 2.5rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1.05rem;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-secondary), var(--shadow-lg);
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-white);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cyber-core-svg {
  width: 100%;
  max-width: 440px;
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}

.svg-spin-slow {
  transform-origin: 250px 250px;
  animation: spinSvg 40s linear infinite;
}

.svg-spin-fast {
  transform-origin: 250px 250px;
  animation: spinSvgReverse 20s linear infinite;
}

.svg-pulse-core {
  transform-origin: 250px 250px;
  animation: pulseSvgCore 4s ease-in-out infinite alternate;
}

.svg-glow-core {
  animation: coreGlow 3s ease-in-out infinite alternate;
}

.svg-flow-path {
  stroke-dasharray: 10, 30;
  animation: flowPackets 1.5s linear infinite;
}

.svg-flow-path-reverse {
  stroke-dasharray: 15, 25;
  animation: flowPacketsReverse 2s linear infinite;
}

/* ==========================================================================
   8. About Us Section & Statistics
   ========================================================================== */
.section {
  padding-block: 100px;
  position: relative;
  overflow: hidden;
}

.section-header {
  max-width: 650px;
  margin-block-end: 4rem;
}

.section-badge {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 2px;
  display: block;
  margin-block-end: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.75px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content p {
  color: var(--text-muted);
  margin-block-end: 1.5rem;
  font-size: 1.15rem;
}

.stats-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-box {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  padding: 2.25rem 1.75rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.stat-box:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  background-color: var(--bg-glass-hover);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff, var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-block-end: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ==========================================================================
   9. Why Choose Us Section
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  position: relative;
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary), var(--shadow-sm);
  background-color: var(--bg-glass-hover);
}

.feature-icon {
  font-size: 1.8rem;
  color: var(--color-secondary);
  margin-block-end: 1.5rem;
  display: inline-block;
  transition: var(--transition-smooth);
}

.feature-box:hover .feature-icon {
  transform: scale(1.1);
  color: var(--color-primary);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-block-end: 0.75rem;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   10. Premium Services Module
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.service-card {
  position: relative;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  padding: 3rem 2.25rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  z-index: -1;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: var(--glow-secondary), var(--shadow-lg);
  background-color: var(--bg-glass-hover);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-block-end: 2rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--text-dark);
  border-color: transparent;
  box-shadow: var(--glow-primary);
  transform: rotate(6deg);
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-block-end: 1rem;
}

.service-card-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ==========================================================================
   11. Solutions Showcase (Beautiful Alternating Rows with Pictures)
   ========================================================================== */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.solution-item {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 4rem;
  align-items: center;
}

.solution-item:nth-child(even) .solution-img-wrap {
  order: 2;
}

.solution-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  background-color: var(--bg-secondary);
  aspect-ratio: 16/10;
  transition: var(--transition-smooth);
}

.solution-img-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 50%, rgba(5, 8, 17, 0.45) 100%);
  pointer-events: none;
}

.solution-img-wrap:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--glow-secondary), var(--shadow-lg);
}

.solution-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.solution-img-wrap:hover .solution-img {
  transform: scale(1.03);
}

.solution-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.solution-title {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 700;
  margin-block-end: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.solution-desc {
  color: var(--text-muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

/* ==========================================================================
   12. Workflow Steps (Process)
   ========================================================================== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-steps::after {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent);
  z-index: -1;
}

.process-card {
  text-align: center;
  position: relative;
}

.process-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-block-end: 1.75rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

.process-card:hover .process-num {
  background-color: var(--color-secondary);
  color: var(--text-dark);
  border-color: transparent;
  box-shadow: var(--glow-secondary);
  transform: scale(1.1);
}

.process-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-block-end: 0.75rem;
}

.process-card-desc {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.55;
  padding-inline: 0.5rem;
}

/* ==========================================================================
   13. Tabbed Portfolio / Interactive Projects Grid (Iteration 3 Update)
   ========================================================================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block-end: 3.5rem;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  backdrop-filter: blur(5px);
}

.filter-btn:hover {
  color: var(--text-white);
  border-color: var(--color-secondary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: transparent;
  color: var(--text-dark);
  box-shadow: var(--glow-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: opacity 0.35s ease, transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  display: block;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: var(--glow-secondary), var(--shadow-lg);
  background-color: var(--bg-glass-hover);
}

.portfolio-img-container {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  border-bottom: 1px solid var(--border-color);
  background-color: #03060c;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.portfolio-card:hover .portfolio-img {
  transform: scale(1.04);
}

/* Badge positioning with LTR/RTL support */
.portfolio-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(5, 8, 17, 0.85);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  backdrop-filter: blur(4px);
}

[dir="rtl"] .portfolio-badge {
  left: auto;
  right: 1rem;
}

.portfolio-card-content {
  padding: 2rem;
}

.portfolio-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-block-end: 0.5rem;
}

.portfolio-card-desc {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* ==========================================================================
   14. Frequently Asked Questions (FAQ Accordions)
   ========================================================================== */
.faq-list {
  max-width: 850px;
  margin-inline: auto;
}

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  margin-block-end: 1.25rem;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: rgba(0, 229, 255, 0.25);
  background-color: var(--bg-glass-hover);
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.faq-trigger {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  text-align: start;
}

.faq-question {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-white);
  transition: var(--transition-fast);
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.faq-item.active .faq-icon {
  background: var(--color-primary);
  color: var(--text-dark);
  border-color: transparent;
  transform: rotate(180deg);
}

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

.faq-answer {
  padding-inline: 2rem;
  padding-block-end: 1.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-block-start: 1rem;
}

/* ==========================================================================
   15. Contact Form & Action Center
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.contact-info-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  margin-block-end: 0.5rem;
}

.contact-detail-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-detail-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-block-end: 0.25rem;
}

.contact-detail-content p, .contact-detail-content a {
  color: var(--text-muted);
  font-size: 1rem;
}

.contact-detail-content a:hover {
  color: var(--color-secondary);
}

.contact-form-wrap {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  padding: 3.5rem;
  border-radius: 24px;
  backdrop-filter: blur(12px);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-block-end: 1.5rem;
}

.form-group {
  margin-block-end: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-block-end: 0.6rem;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  border-radius: 12px;
  color: var(--text-white);
  font-size: 1.05rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.1);
  background-color: rgba(0, 0, 0, 0.35);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

.form-status {
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 500;
  margin-block-end: 1.5rem;
  animation: fadeIn 0.3s ease forwards;
}

.form-status.hidden {
  display: none;
}

.form-status.loading {
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--color-secondary);
}

.form-status.success {
  background: rgba(9, 191, 156, 0.08);
  border: 1px solid rgba(9, 191, 156, 0.3);
  color: var(--color-primary);
}

.form-status.error {
  background: rgba(255, 77, 77, 0.08);
  border: 1px solid rgba(255, 77, 77, 0.3);
  color: #ff4d4d;
}

/* ==========================================================================
   16. Footer
   ========================================================================== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding-block-start: 80px;
  padding-block-end: 40px;
  overflow: hidden;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  margin-block-end: 4rem;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .logo-wrap {
  margin-block-end: 1.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.footer-links-col h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-block-end: 1.5rem;
}

.footer-links {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.5rem;
}

.footer-link a {
  color: var(--text-muted);
  font-size: 1rem;
}

.footer-link a:hover {
  color: var(--color-primary);
  padding-inline-start: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-block-start: 2rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.social-link:hover {
  background-color: var(--color-primary);
  color: var(--text-dark);
  border-color: transparent;
  transform: translateY(-2px);
}

/* ==========================================================================
   17. Reveal Scroll Animations Keyframes
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

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

[data-i18n] {
  transition: opacity 0.15s ease-out;
}

/* SVG Keyframe Animations */
@keyframes spinSvg {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spinSvgReverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

@keyframes pulseSvgCore {
  0% { transform: scale(0.95); opacity: 0.85; filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.3)); }
  100% { transform: scale(1.05); opacity: 1; filter: drop-shadow(0 0 25px rgba(0, 229, 255, 0.7)); }
}

@keyframes coreGlow {
  0% { fill: rgba(9, 191, 156, 0.7); }
  100% { fill: rgba(0, 229, 255, 0.95); }
}

@keyframes flowPackets {
  to { stroke-dashoffset: -40; }
}

@keyframes flowPacketsReverse {
  to { stroke-dashoffset: 40; }
}

@keyframes floatOrb {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-15px); }
}

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

/* ==========================================================================
   18. Responsive Layout Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 4rem;
  }
  
  .hero-visual {
    order: -1;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

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

  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 3rem 1.5rem;
  }

  .process-steps::after {
    display: none;
  }

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

@media (max-width: 768px) {
  .nav-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: rgba(5, 8, 17, 0.98);
    backdrop-filter: blur(16px);
    padding: 3rem 2rem;
    gap: 2rem;
    align-items: center;
    transform: translateY(-120%);
    transition: var(--transition-smooth);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.mobile-active {
    transform: translateY(0);
  }
  
  .mobile-toggle {
    display: flex;
  }

  /* Compact Mobile Header overrides to prevent overlap */
  .nav-wrapper {
    height: 70px;
  }

  .logo-img {
    height: 36px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .logo-wrap {
    gap: 0.4rem;
  }

  .lang-switcher {
    padding: 2px;
    gap: 1px;
  }

  .lang-btn {
    font-size: 0.72rem;
    padding: 4px 8px;
    border-radius: 15px;
  }
  
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero-title {
    font-size: 2.75rem;
  }
  
  .cyber-core-svg {
    width: 100%;
    max-width: 280px;
  }

  .section-title {
    font-size: 2.25rem;
  }

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

  .contact-form-wrap {
    padding: 2.25rem 1.5rem;
  }

  /* Prevent Mobile Layout Overflow & Horizontal Scroll */
  .gradient-glow {
    display: none;
  }

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

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .solution-item {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .solution-item:nth-child(even) .solution-img-wrap {
    order: 0;
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .footer-brand {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .cyber-core-svg {
    max-width: 250px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .stat-box {
    padding: 1.5rem 1rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .faq-trigger {
    padding: 1.25rem 1.25rem;
  }

  .faq-answer {
    padding-inline: 1.25rem;
  }
}