/* ============================================
   DIGITALE TECHNOLOGIES - MAIN STYLESHEET
   ============================================ */

/* Import Design Variables */
@import url('./variables.css');

/* Import Components */
@import url('./components/navbar.css');
@import url('./components/buttons.css');
@import url('./components/mobile-menu.css');
@import url('./components/sections.css');

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Outfit:wght@400;500;600;700&display=swap');

/* ============================================
   BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  height: 100%;
  margin: 0 !important;
  padding: 0 !important;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background: linear-gradient(180deg, #0a0a0f 0%, #0d0f18 35%, #121322 70%, #141423 100%);
  background-attachment: fixed;
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
  width: 100%;
  margin: 0 !important;
  padding: 0 !important;
  position: relative;
  overflow-x: hidden;
}

/* Ensure content does not sit under fixed navbar */
body {
  padding-top: 4.5rem !important;
}

/* Ensure full background coverage */
body::before {
  content: '';
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  background: inherit;
  background-attachment: fixed;
  z-index: -2;
  pointer-events: none;
}

/* Noise Background */
.noise-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
  opacity: 0.03;
  z-index: -1;
  pointer-events: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--neutral-300);
}

a {
  color: var(--neon-blue);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--neon-purple);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: gradient-x 15s ease infinite;
}

.gradient-border {
  position: relative;
}

.gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-2xl);
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  width: 100%;
}

.section {
  padding: var(--space-20) 0;
  width: 100%;
  margin: 0;
}

/* Ensure sections extend full width */
section {
  width: 100%;
  margin: 0;
  position: relative;
}

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

.relative {
  position: relative;
}

.z-10 {
  z-index: 10;
}

/* Reusable elevated surface for cards/panels */
.surface-card {
  position: relative;
  background: linear-gradient(145deg, rgba(var(--dark-800-rgb), 0.82), rgba(var(--dark-700-rgb), 0.68));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-2xl);
  box-shadow: 0 24px 48px rgba(6, 10, 24, 0.45);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
  backdrop-filter: blur(6px);
  overflow: visible;
}

.surface-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 120% at 10% 10%, rgba(var(--neon-blue-rgb), 0.18), transparent 60%), radial-gradient(120% 120% at 90% 15%, rgba(var(--neon-purple-rgb), 0.16), transparent 60%);
  opacity: 0.45;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.surface-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--neon-blue-rgb), 0.4);
  box-shadow: 0 32px 64px rgba(6, 10, 28, 0.55);
}

.surface-card:hover::before {
  opacity: 0.75;
}

.surface-card--padded {
  padding: var(--space-6);
}

.surface-card--padded-lg {
  padding: var(--space-8);
}

.service-highlight {
  opacity: 0.7;
  transition: opacity var(--transition-normal);
  cursor: pointer;
}

.service-highlight:hover {
  opacity: 1;
}

.form-field-error {
  border-color: rgba(239, 68, 68, 0.6) !important;
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.3) !important;
}

.heading-accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.heading-accent--blue {
  background: linear-gradient(120deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes gradient-x {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-gradient {
  animation: gradient-x 15s ease infinite;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 640px) {
  h1 {
    font-size: var(--text-4xl);
  }
  
  h2 {
    font-size: var(--text-3xl);
  }
  
  .container {
    padding: 0 var(--space-3);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--text-3xl);
  }
  
  h2 {
    font-size: var(--text-2xl);
  }
}

/* ============================================
   CASE STUDY STYLES
   ============================================ */

/* Case Study Page Body */
.yfc-case-study-page-body {
  font-family: var(--font-sans);
  background-color: var(--dark-900);
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
  width: 100%;
  margin: 0 !important;
  padding: 0 !important;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 33%);
  background-attachment: fixed;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  overflow-x: hidden;
}

/* Case Study Content Container */
.case-study-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  width: 100%;
}

/* Case Study Grid */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 768px) {
  .case-study-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

@media (min-width: 1024px) {
  .case-study-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

/* Case Study Hero */
.case-study-hero {
  padding: var(--space-8) 0;
  margin-bottom: var(--space-16);
}

/* Case Study Section */
.case-study-section {
  padding: var(--space-16) 0;
  margin-bottom: var(--space-16);
}

/* Case Study Section Title */
.case-study-section-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-8);
  line-height: 1.2;
}

@media (min-width: 1024px) {
  .case-study-section-title {
    margin-bottom: var(--space-10);
  }
}

/* Case Study Text */
.case-study-text {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--neutral-300);
  margin-bottom: var(--space-4);
}

/* Case Study Feature List */
.case-study-feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (min-width: 768px) {
  .case-study-feature-list {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* Case Study Feature Item */
.case-study-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.case-study-feature-item:hover {
  transform: translateY(-4px);
}

/* Case Study Feature Icon */
.case-study-feature-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--neon-blue);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* Case Study Feature Text */
.case-study-feature-text {
  flex: 1;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--neutral-300);
}

.case-study-feature-text strong {
  color: var(--white);
  font-weight: 600;
}

/* Case Study Feature Title */
.case-study-feature-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--white);
}

/* Additional gradient text classes */
.gradient-text-blue {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text-orange {
  background: linear-gradient(135deg, var(--neon-orange), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Case Study Subsection */
.case-study-subsection {
  margin-bottom: var(--space-12);
}

/* Case Study Meta */
.case-study-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.case-study-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--neutral-400);
}

.case-study-meta-icon {
  width: 1rem;
  height: 1rem;
}

/* Case Study Title */
.case-study-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

@media (min-width: 768px) {
  .case-study-title {
    font-size: var(--text-5xl);
  }
}

/* Case Study Subtitle */
.case-study-subtitle {
  font-size: var(--text-xl);
  color: var(--neutral-400);
  margin-bottom: var(--space-8);
  line-height: 1.5;
}

/* Case Study Stats */
.case-study-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

@media (min-width: 768px) {
  .case-study-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.case-study-stat {
  text-align: center;
  padding: var(--space-4);
  background: rgba(var(--dark-800-rgb), 0.3);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.case-study-stat-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--neon-blue);
  margin-bottom: var(--space-1);
}

.case-study-stat-label {
  font-size: var(--text-sm);
  color: var(--neutral-400);
}

/* Case Study Image */
.case-study-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.case-study-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Case Study Comparison */
.case-study-comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

@media (min-width: 768px) {
  .case-study-comparison {
    grid-template-columns: 1fr 1fr;
  }
}

.case-study-comparison-item {
  text-align: center;
}

.case-study-comparison-label {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--white);
}

/* Case Study Navigation */
.case-study-navigation {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .case-study-navigation {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.case-study-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: rgba(var(--dark-800-rgb), 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-weight: 500;
}

.case-study-nav-link:hover {
  background: rgba(var(--dark-700-rgb), 0.7);
  border-color: rgba(var(--neon-blue-rgb), 0.3);
  transform: translateY(-2px);
}

.case-study-nav-link.next {
  margin-left: auto;
}

.case-study-nav-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* Case Study Quote */
.case-study-quote {
  text-align: center;
  padding: var(--space-8);
  background: rgba(var(--dark-800-rgb), 0.3);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin: var(--space-8) 0;
}

.case-study-quote-text {
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.case-study-quote-author {
  font-size: var(--text-base);
  color: var(--neutral-400);
}

/* Responsive adjustments for case studies */
@media (max-width: 640px) {
  .case-study-section {
    padding: var(--space-12) 0;
    margin-bottom: var(--space-8);
  }
  
  .case-study-section-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
  }
  
  .case-study-feature-item {
    padding: var(--space-3);
  }
}