/* ============================================
   THE CIPHER GROUP - DESIGN SYSTEM
   Modern Cybersecurity & Tech Aesthetic
   ============================================ */

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

/* === CSS VARIABLES === */
:root {
  /* Colors - Dark Theme with Cyan Accents */
  --color-bg-primary: #0a0e27;
  --color-bg-secondary: #111827;
  --color-bg-card: rgba(17, 24, 39, 0.7);
  --color-accent-primary: #06b6d4;
  --color-accent-secondary: #3b82f6;
  --color-accent-glow: rgba(6, 182, 212, 0.3);
  --color-text-primary: #f9fafb;
  --color-text-secondary: #d1d5db;
  --color-text-muted: #9ca3af;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-secondary: linear-gradient(135deg, #0ea5e9 0%, #8b5cf6 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(10, 14, 39, 0) 0%, rgba(10, 14, 39, 0.8) 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.5rem;

  /* Effects */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.75rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px var(--color-accent-glow);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* === RESET & BASE === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-4xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-text-primary);
}

h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
}

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent-secondary);
}

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

/* === NAVIGATION === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  background: rgba(10, 14, 39, 0.8);
  border-bottom: 1px solid rgba(6, 182, 212, 0.1);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  background: rgba(10, 14, 39, 0.95);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  transition: transform var(--transition-base);
}

.nav-logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-base);
}

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

.nav-link:hover {
  color: var(--color-accent-primary);
}

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

.lang-toggle {
  background: none;
  border: 2px solid var(--color-accent-primary);
  color: var(--color-accent-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.05em;
}

.lang-toggle:hover {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
  transform: scale(1.05);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-accent-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0e27 0%, #111827 50%, #0a0e27 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 10s ease-in-out infinite;
  animation-delay: 2s;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }

  50% {
    transform: scale(1.2);
    opacity: 0.3;
  }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 10;
  max-width: 900px;
  padding: var(--spacing-lg);
  animation: fadeInUp 1s ease-out;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  font-weight: 300;
}

.hero-description {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
  border: 1px solid rgba(6, 182, 212, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

/* === SERVICES SECTION === */
.services {
  background: var(--color-bg-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-subtitle {
  color: var(--color-accent-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-description {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  border: 1px solid rgba(6, 182, 212, 0.1);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent-primary);
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.2);
}

.service-icon {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-slow);
}

.service-card:hover .service-icon {
  transform: scale(1.05);
}

.service-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.service-card p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-features li {
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.service-features li::before {
  content: '✓';
  color: var(--color-accent-primary);
  font-weight: bold;
  font-size: var(--font-size-md);
}

/* === ABOUT SECTION === */
.about {
  background: var(--color-bg-primary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat-card {
  background: rgba(6, 182, 212, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(6, 182, 212, 0.2);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: rgba(6, 182, 212, 0.15);
  transform: scale(1.05);
}

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.about-visual {
  position: relative;
  height: 500px;
  background: rgba(6, 182, 212, 0.05);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-visual::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--gradient-primary);
  opacity: 0.2;
  border-radius: 50%;
  filter: blur(60px);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(20px, -20px);
  }
}

/* === CONTACT SECTION === */
.contact {
  background: var(--color-bg-secondary);
}

.contact-content {
  max-width: 700px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* reCAPTCHA Styling */
.recaptcha-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: var(--spacing-md) 0;
}

.recaptcha-container>div {
  transform-origin: center;
}

.form-submit {
  margin-top: var(--spacing-md);
}

/* === FOOTER === */
.footer {
  background: var(--color-bg-primary);
  border-top: 1px solid rgba(6, 182, 212, 0.1);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.footer-section h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(6, 182, 212, 0.1);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

/* === UTILITIES === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 968px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .about-visual {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-xl);
    transition: left var(--transition-slow);
    border-right: 1px solid rgba(6, 182, 212, 0.1);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

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

  .about-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

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

  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  /* Scale reCAPTCHA on mobile */
  .recaptcha-container>div {
    transform: scale(0.85);
  }
}