/* 
  DZ Software Base Styles
  Theme: Dark, Modern, Premium Tech Consultancy
*/

:root {
  /* Brand Colors */
  --color-bg-primary: #0B1B3B;
  --color-grad-start: #1C2F6E;
  --color-grad-end: #09142D;
  --color-accent: #E6A15C;
  --color-accent-hover: #f3b476;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B8C3D9;
  --color-divider: #2A3A6B;
  
  /* Modern UI Utilities */
  --color-glass-bg: rgba(18, 28, 60, 0.4);
  --color-glass-border: rgba(184, 195, 217, 0.2);
  --color-glass-shadow: rgba(0, 0, 0, 0.4);
  --color-glow: rgba(230, 161, 92, 0.5);
  --color-success: #2ecc71;
  --color-error: #e74c3c;

  /* Typography */
  --font-main: 'Inter', Helvetica, Arial, sans-serif;
  
  /* Layout */
  --container-width: 1200px;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Animation Timing */
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #FFFFFF 0%, #B8C3D9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.75rem;
  letter-spacing: -0.01em;
}

p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

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

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

/* Layout Utilities */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

.bg-darker {
  background-color: var(--color-grad-end);
}

.text-center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-4 {
  margin-top: 2rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Components */
.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #f3b476 100%);
  color: #000;
  box-shadow: 0 4px 20px rgba(230, 161, 92, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  transition: all 0.75s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(230, 161, 92, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  color: var(--color-bg-primary);
}

.btn-primary:hover::after {
  left: 150%;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-glass-border);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.btn-small {
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, #f3b476 100%);
  color: #000 !important;
  border-radius: 6px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(230, 161, 92, 0.3);
}

.btn-small:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 161, 92, 0.4);
  color: var(--color-bg-primary) !important;
}

.btn-block {
  display: block;
  width: 100%;
}

.highlight {
  color: var(--color-accent);
}

.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-title {
  margin-bottom: 0.5rem;
}

.divider {
  height: 4px;
  width: 80px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  border-radius: 2px;
}

.glass-card {
  background: linear-gradient(145deg, rgba(28, 47, 110, 0.4) 0%, rgba(11, 27, 59, 0.6) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 15px 35px var(--color-glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at top right, rgba(230, 161, 92, 0.1), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-10px);
  border-color: rgba(230, 161, 92, 0.4);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 20px rgba(230, 161, 92, 0.1);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: padding var(--transition-normal), background-color var(--transition-normal);
}

.header.scrolled {
  padding: 1rem 0;
  background: rgba(11, 27, 59, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-glass-border);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--color-text-primary);
}

.logo-text span {
  font-weight: 300;
  color: var(--color-text-secondary);
}

.logo-img {
  max-height: 80px;
  width: auto;
  display: block;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle .hamburger,
.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.menu-toggle .hamburger::before {
  content: '';
  transform: translateY(-8px);
}

.menu-toggle .hamburger::after {
  content: '';
  transform: translateY(6px);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 8rem; /* Account for header */
  background-image: 
    linear-gradient(135deg, rgba(28, 47, 110, 0.85) 0%, rgba(11, 27, 59, 0.95) 100%),
    url('assets/hero_bg.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

/* Modern Animated Background Patterns */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(28, 47, 110, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(230, 161, 92, 0.05) 0%, transparent 50%);
  background-size: 100% 100%;
  pointer-events: none;
}

.hero-bg-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(28, 47, 110, 0.5) 0%, rgba(11, 27, 59, 0) 70%);
  top: -200px;
  right: -300px;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
  animation: float 15s ease-in-out infinite alternate;
}

.glow-2 {
  top: auto;
  bottom: -400px;
  left: -200px;
  right: auto;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230, 161, 92, 0.1) 0%, rgba(11, 27, 59, 0) 70%);
  animation: float 20s ease-in-out infinite alternate-reverse;
}

@keyframes float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-50px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.intro-line {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem;
  background: rgba(230, 161, 92, 0.1);
  border-radius: 100px;
  border: 1px solid rgba(230, 161, 92, 0.2);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
}

/* Problem Section */
.problem .lead-text {
  font-size: 1.5rem;
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 2rem;
}

.problem-content {
  max-width: 800px;
}

/* Solution Section */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.card-icon {
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

/* Process Section */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  padding: 2rem;
  border-radius: 12px;
  transition: all var(--transition-normal);
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  height: 0;
  width: 3px;
  background: var(--color-accent);
  transition: height var(--transition-normal);
}

.timeline-item:hover {
  transform: translateX(15px);
  background: linear-gradient(145deg, rgba(28, 47, 110, 0.6) 0%, rgba(11, 27, 59, 0.8) 100%);
  border-color: rgba(230, 161, 92, 0.3);
}

.timeline-item:hover::before {
  height: 60%;
}

.timeline-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent) 0%, #f3b476 100%);
  color: #000;
  font-weight: 800;
  font-size: 1.5rem;
  border-radius: 50%;
  box-shadow: 0 5px 15px rgba(230, 161, 92, 0.3);
}

.timeline-content h3 {
  margin: 0;
  color: var(--color-text-primary);
}

/* Benefits Section */
.benefits {
  position: relative;
  background: linear-gradient(to bottom right, var(--color-grad-end), var(--color-bg-primary));
  overflow: hidden;
  z-index: 1;
}

.benefits::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: linear-gradient(rgba(230, 161, 92, 0.03) 1px, transparent 1px),
  linear-gradient(90deg, rgba(230, 161, 92, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
}

.benefits::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(28, 47, 110, 0.5) 0%, transparent 60%);
  filter: blur(50px);
  z-index: -1;
}

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

.benefits-list ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.benefits-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.125rem;
  font-weight: 500;
  background: rgba(18, 28, 60, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-glass-border);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: all var(--transition-normal);
}

.benefits-list li:hover {
  transform: translateY(-5px);
  background: rgba(28, 47, 110, 0.7);
  border-color: rgba(230, 161, 92, 0.4);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3), 0 0 15px rgba(230, 161, 92, 0.1);
}

.check-icon {
  color: var(--color-accent);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(to right, var(--color-grad-start), var(--color-grad-end));
  border-top: 1px solid var(--color-glass-border);
  border-bottom: 1px solid var(--color-glass-border);
}

.cta-banner h2 {
  margin-bottom: 0;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-desc {
  margin-bottom: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item svg {
  color: var(--color-accent);
}

.contact-item a {
  font-size: 1.125rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.required {
  color: var(--color-accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.25rem;
  background: rgba(11, 27, 59, 0.6);
  border: 1px solid var(--color-glass-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 1.05rem;
  transition: all var(--transition-fast);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(28, 47, 110, 0.4);
  box-shadow: 0 0 0 4px rgba(230, 161, 92, 0.1), inset 0 2px 4px rgba(0,0,0,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(184, 195, 217, 0.5);
}

.form-status {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
  display: none;
}

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

.form-status.success {
  display: block;
  background-color: rgba(46, 204, 113, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.form-status.error {
  display: block;
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(231, 76, 60, 0.3);
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  background-color: var(--color-grad-end);
  border-top: 1px solid var(--color-divider);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo p {
  font-size: 0.875rem;
  margin-top: 0.5rem;
  margin-bottom: 0;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

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

/* Responsive Design */
@media (max-width: 992px) {
  .benefits-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }

  .menu-toggle {
    display: block;
    z-index: 1001;
  }

  .primary-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: rgba(11, 27, 59, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 6rem 2rem 2rem;
    transition: right var(--transition-normal);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    z-index: 1000;
  }

  .primary-navigation.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .nav-link {
    font-size: 1.25rem;
  }
  
  .menu-toggle.active .hamburger {
    background: transparent;
  }
  
  .menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
  }
  
  .menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    margin-top: -14px;
  }

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

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}