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

:root {
  /* Colors - Stitch Enterprise Theme */
  --bg-primary: #0b1b3a;
  --bg-secondary: #122754;
  --bg-card: rgba(97, 178, 228, 0.05);
  --text-primary: #ffffff;
  --text-secondary: #a9e1ff;
  --accent-primary: #3a7bd5;
  --accent-secondary: #ff7a8a;
  --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  
  /* Typography */
  --font-family: 'Inter', sans-serif;
  
  /* Layout */
  --container-width: 1200px;
  --section-padding: 5rem 2rem;
  
  /* Effects */
  --transition: all 0.3s ease;
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

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

/* Container & Layout */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: var(--section-padding);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--text-primary);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

/* Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: var(--glass-border);
  transition: var(--transition);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  max-width: var(--container-width);
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
}

.logo svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-primary);
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: var(--accent-primary);
  filter: blur(150px);
  opacity: 0.3;
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: var(--accent-secondary);
  filter: blur(150px);
  opacity: 0.2;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Features/Why Choose Us */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--accent-primary);
  box-shadow: var(--glass-shadow);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
}

/* Services */
.services-section {
  background-color: var(--bg-secondary);
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: 1rem;
  padding: 2.5rem;
  margin-bottom: 2rem;
  transition: var(--transition);
  height: 100%;
}

.service-card:hover {
  border-color: var(--accent-secondary);
  transform: translateY(-5px);
}

.service-card h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.service-card ul {
  margin-top: 1rem;
}

.service-card ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.service-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Industries Tag List */
.industries-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.tag:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.pricing-card {
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.pricing-card.popular {
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.pricing-card.popular::before {
  content: 'Most Popular';
  position: absolute;
  top: 1rem;
  right: -2rem;
  background: var(--accent-gradient);
  color: white;
  padding: 0.5rem 3rem;
  transform: rotate(45deg);
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  margin: 1.5rem 0;
  color: var(--text-primary);
}

.pricing-card ul {
  text-align: left;
  margin: 2rem 0;
}

.pricing-card ul li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
}

.pricing-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: var(--glass-border);
  padding: 4rem 2rem 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: var(--container-width);
  margin: 0 auto;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col ul li a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
}

/* Forms */
.contact-form {
  display: grid;
  gap: 1.5rem;
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 1rem;
  border: var(--glass-border);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
}

.form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.08);
}

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

/* Utilities & Animations */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }
.mt-2 { margin-top: 2rem; }

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.portfolio-item {
  border-radius: 1rem;
  overflow: hidden;
  position: relative;
  border: var(--glass-border);
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: scale(1.02);
  border-color: var(--accent-primary);
}

.portfolio-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  color: white;
  transform: translateY(100%);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-content {
  transform: translateY(0);
}

.placeholder-img {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

/* Media Queries */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .pricing-card.popular {
    transform: none;
  }
}