/* ============================================
   NISSAD Digital Services - Main Stylesheet
   Color Palette: Dark Navy, Cyan/Electric Blue, White
   ============================================ */

/* CSS Custom Properties */
:root {
  --primary: #00b4d8;
  --primary-dark: #0077b6;
  --primary-light: #90e0ef;
  --primary-glow: rgba(0, 180, 216, 0.3);
  --secondary: #0a1628;
  --dark: #050d1a;
  --dark-surface: #0d1b2a;
  --dark-card: #112240;
  --dark-border: #1b3a5c;
  --text-primary: #e6f1ff;
  --text-secondary: #8892b0;
  --text-muted: #5a6a8a;
  --white: #ffffff;
  --accent-green: #00f5a0;
  --accent-purple: #7b2ff7;
  --gradient-primary: linear-gradient(135deg, #00b4d8, #0077b6);
  --gradient-accent: linear-gradient(135deg, #00b4d8, #7b2ff7);
  --gradient-hero: linear-gradient(135deg, #050d1a 0%, #0d1b2a 50%, #112240 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.15);
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
  --transition: all 0.3s ease;
  --font-heading: 'Inter', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   PRELOADER
   ============================================ */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid var(--dark-border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(5, 13, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(0, 180, 216, 0.1);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.nav-logo img {
  height: 45px;
  width: auto;
  transition: var(--transition);
}

.navbar.scrolled .nav-logo img {
  height: 38px;
}

.nav-logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}

.nav-logo-text span {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: rgba(0, 180, 216, 0.08);
}

.nav-cta {
  margin-left: 12px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 5px;
}

.nav-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.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(5px, -5px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-transform: none;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 180, 216, 0.4);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(0, 180, 216, 0.1);
  transform: translateY(-2px);
  color: var(--primary-light);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(123, 47, 247, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(123, 47, 247, 0.4);
  color: var(--white);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

/* Animated grid/circuit background */
.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 180, 216, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 216, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* Floating particles */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.3;
  animation: floatParticle 15s infinite linear;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: 2s; animation-duration: 15s; }
.particle:nth-child(3) { left: 35%; top: 30%; animation-delay: 4s; animation-duration: 18s; }
.particle:nth-child(4) { left: 50%; top: 70%; animation-delay: 1s; animation-duration: 14s; }
.particle:nth-child(5) { left: 65%; top: 40%; animation-delay: 3s; animation-duration: 16s; }
.particle:nth-child(6) { left: 80%; top: 50%; animation-delay: 5s; animation-duration: 13s; }
.particle:nth-child(7) { left: 90%; top: 25%; animation-delay: 2s; animation-duration: 17s; }
.particle:nth-child(8) { left: 45%; top: 80%; animation-delay: 4s; animation-duration: 11s; }

@keyframes floatParticle {
  0% { transform: translate(0, 0) scale(1); opacity: 0; }
  10% { opacity: 0.3; }
  50% { opacity: 0.6; transform: translate(-50px, -100px) scale(1.5); }
  90% { opacity: 0.3; }
  100% { transform: translate(-100px, -200px) scale(1); opacity: 0; }
}

/* Glowing orb behind content */
.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.08), transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 30px;
  font-weight: 500;
  animation: fadeInDown 0.8s ease;
}

.hero-badge i {
  font-size: 0.9rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--white);
  animation: fadeInUp 0.8s ease 0.2s both;
}

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

.hero-services-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-services-line span {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 4px 12px;
  background: rgba(0, 180, 216, 0.05);
  border-radius: 20px;
  border: 1px solid rgba(0, 180, 216, 0.1);
}

.hero-services-line span:not(:last-child)::after {
  content: '';
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 36px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.5s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 60px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

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

.hero-stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-dark {
  background: var(--dark);
}

.section-surface {
  background: var(--dark-surface);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 0.8rem;
  color: var(--primary);
  margin-bottom: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

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

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--dark-card);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dark-border);
}

.about-image .tech-illustration {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
}

.about-image .circuit-circle {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px solid rgba(0, 180, 216, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: rotateCircle 20s linear infinite;
}

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

.about-image .circuit-circle::before {
  content: '';
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 180, 216, 0.2);
}

.about-image .circuit-circle .inner-icon {
  font-size: 3rem;
  color: var(--primary);
  animation: rotateCircle 20s linear infinite reverse;
}

.about-decoration {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: var(--border-radius);
  border: 2px solid rgba(0, 180, 216, 0.15);
  bottom: -20px;
  right: -20px;
  z-index: -1;
}

.about-content h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.about-content h3 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 30px 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(0, 180, 216, 0.05);
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(0, 180, 216, 0.08);
}

.about-feature i {
  color: var(--primary);
  font-size: 1rem;
}

.about-feature span {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 180, 216, 0.2);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(0, 180, 216, 0.15);
  box-shadow: 0 0 20px rgba(0, 180, 216, 0.2);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 4px 0;
}

.service-list li i {
  color: var(--primary);
  font-size: 0.65rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.service-link:hover {
  gap: 10px;
  color: var(--primary-light);
}

/* ============================================
   APPROACH / PROCESS SECTION
   ============================================ */
.process-timeline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  position: relative;
  flex-wrap: wrap;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple), var(--primary));
  opacity: 0.3;
  z-index: 0;
}

.process-step {
  flex: 1;
  min-width: 150px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--dark-card);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0 auto 16px;
  transition: var(--transition);
}

.process-step:hover .process-number {
  background: var(--primary);
  color: var(--dark);
  box-shadow: 0 0 30px rgba(0, 180, 216, 0.3);
}

.process-step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.why-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 180, 216, 0.2);
  box-shadow: var(--shadow-glow);
}

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.3rem;
  color: var(--primary);
}

.why-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.portfolio-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 180, 216, 0.2);
}

.portfolio-thumbnail {
  height: 220px;
  background: linear-gradient(135deg, var(--dark-surface), var(--dark-card));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-thumbnail .portfolio-icon {
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.5;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 180, 216, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay .btn {
  transform: translateY(20px);
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-overlay .btn {
  transform: translateY(0);
}

.portfolio-info {
  padding: 24px;
}

.portfolio-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.portfolio-tags span {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.12);
  border-radius: 20px;
  color: var(--primary);
  font-weight: 500;
}

.portfolio-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.portfolio-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  border-color: rgba(0, 180, 216, 0.2);
  box-shadow: var(--shadow-glow);
}

.testimonial-quote-icon {
  font-size: 2rem;
  color: var(--primary);
  opacity: 0.2;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

.testimonial-author-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
}

.testimonial-author-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 12px;
}

.testimonial-stars i {
  color: #f59e0b;
  font-size: 0.85rem;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.pricing-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  text-align: center;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(0, 180, 216, 0.15);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--white);
  padding: 4px 20px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 180, 216, 0.3);
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--dark-border);
}

.pricing-features {
  margin-bottom: 28px;
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.pricing-features li i {
  color: var(--primary);
  font-size: 0.8rem;
}

.pricing-features li.disabled {
  opacity: 0.4;
}

.pricing-features li.disabled i {
  color: var(--text-muted);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(0, 180, 216, 0.2);
}

.faq-item.active {
  border-color: rgba(0, 180, 216, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(0, 180, 216, 0.03);
}

.faq-question h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  padding-right: 16px;
}

.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 180, 216, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.75rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  background: var(--primary);
  color: var(--dark);
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   BLOG / RESOURCES SECTION
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 180, 216, 0.2);
  box-shadow: var(--shadow-glow);
}

.blog-thumbnail {
  height: 200px;
  background: linear-gradient(135deg, var(--dark-surface), var(--dark-card));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.blog-thumbnail i {
  font-size: 2.5rem;
  color: var(--primary);
  opacity: 0.4;
}

.blog-category {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 0.72rem;
  padding: 4px 12px;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: 20px;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.blog-content {
  padding: 24px;
}

.blog-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.blog-link:hover {
  gap: 10px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: 80px 0;
  background: var(--dark-surface);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(0, 180, 216, 0.06), transparent 70%);
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content h2 .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 30px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: rgba(0, 180, 216, 0.2);
  box-shadow: var(--shadow-glow);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-form-wrapper {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius);
  padding: 36px;
}

.contact-form-wrapper h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1);
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238892b0' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-success {
  display: none;
  padding: 16px;
  background: rgba(0, 245, 160, 0.08);
  border: 1px solid rgba(0, 245, 160, 0.2);
  border-radius: var(--border-radius-sm);
  color: var(--accent-green);
  font-size: 0.9rem;
  margin-top: 16px;
  text-align: center;
}

.form-success.show {
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--dark-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo img {
  height: 40px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 180, 216, 0.08);
  border: 1px solid rgba(0, 180, 216, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--dark);
  transform: translateY(-2px);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-column ul li a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 180, 216, 0.4);
}

/* ============================================
   ANIMATIONS ON SCROLL
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.stagger-children .animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.stagger-children .animate-on-scroll:nth-child(5) { transition-delay: 0.35s; }
.stagger-children .animate-on-scroll:nth-child(6) { transition-delay: 0.4s; }
.stagger-children .animate-on-scroll:nth-child(7) { transition-delay: 0.45s; }
.stagger-children .animate-on-scroll:nth-child(8) { transition-delay: 0.5s; }
.stagger-children .animate-on-scroll:nth-child(9) { transition-delay: 0.55s; }
.stagger-children .animate-on-scroll:nth-child(10) { transition-delay: 0.6s; }

/* ============================================
   COUNTER ANIMATION
   ============================================ */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.8rem;
  }

  .about-grid {
    gap: 40px;
  }

  .services-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .process-timeline::before {
    display: none;
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--dark-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 30px 30px;
    gap: 4px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--dark-border);
    z-index: 1000;
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 12px;
    width: 100%;
  }

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

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 30px;
  }

  .hero-stat-number {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

  .why-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

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

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

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .process-timeline {
    flex-direction: column;
    align-items: center;
  }

  .process-step {
    min-width: 100%;
  }
}

/* Mobile Small */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-services-line {
    gap: 6px;
  }

  .hero-services-line span {
    font-size: 0.75rem;
    padding: 3px 8px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .cta-content h2 {
    font-size: 1.8rem;
  }

  .service-list {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* Mobile nav overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 13, 26, 0.7);
  z-index: 999;
}

.nav-overlay.show {
  display: block;
}