/* CSS Reset & Variables */
:root {
  /* Color Palette - Premium Dark Theme */
  --bg-dark: #0a0a0c;
  --bg-card: rgba(20, 20, 25, 0.7);
  --bg-card-hover: rgba(30, 30, 38, 0.8);

  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;

  --primary: #6366f1; /* Indigo */
  --primary-glow: rgba(99, 102, 241, 0.5);
  --secondary: #8b5cf6; /* Violet */
  --accent: #0ea5e9; /* Sky Blue */

  --gradient-brand: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--secondary) 100%
  );
  --gradient-text: linear-gradient(to right, #818cf8, #c084fc, #38bdf8);

  /* Typography */
  --font-heading: "Outfit", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Spacing & Layout */
  --container-width: 1200px;
  --section-padding: 6rem 0;

  /* Borders & Effects */
  --border-radius: 16px;
  --border-light: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --glass-backdrop: blur(12px);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Utilities */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* Base Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  backdrop-filter: var(--glass-backdrop);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

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

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}

/* Further sections will be added below... */

/* Services Section */
.services-section {
  padding: var(--section-padding);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-block {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  transition: all var(--transition-base);
}

.service-block:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* Contact Section */
.contact-section {
  padding: var(--section-padding);
  background: radial-gradient(circle at bottom center, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 4rem;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.125rem;
  color: var(--text-main);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.4);
}

.btn-block {
  width: 100%;
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 3rem 0;
  background: rgba(0, 0, 0, 0.3);
}

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

.footer-brand p {
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.footer-links p {
  color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 992px) {
  .ai-features, .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-card {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple mobile menu for now */
  }
  .mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  .mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-main);
  }
  .hero-title {
    font-size: 3rem;
  }
  .ai-features, .services-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
}

/* Navbar Background on Scroll */
.navbar.scrolled {
  background: rgba(10, 10, 12, 0.9);
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* Base Badge Style */
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  color: #818cf8;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: padding var(--transition-base), background var(--transition-base);
}

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

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
}

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

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.5px;
}

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

.nav-link.active {
  color: var(--accent);
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

/* Form Status Messages */
.form-status {
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition-base);
}

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

.form-status.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #34d399; /* Emerald */
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171; /* Red */
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.15) 0%,
    rgba(14, 165, 233, 0.05) 50%,
    transparent 70%
  );
  z-index: -1;
  filter: blur(60px);
}

.hero-container {
  position: relative;
  z-index: 2;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
}

.hero-title {
  font-size: 4.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 550px;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-start;
}

/* AI Consulting Section */
.ai-section {
  padding: var(--section-padding);
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(14, 165, 233, 0.03),
    transparent
  );
}

.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  backdrop-filter: var(--glass-backdrop);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at top right,
    rgba(255, 255, 255, 0.05),
    transparent 60%
  );
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--glass-shadow);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
}

/* Image Wrappers */
.section-image-wrapper {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--border-light);
  margin-top: 3rem;
  position: relative;
  background: var(--bg-card);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* ensures whole image is visible without extreme cropping */
  transition: transform var(--transition-slow);
}

.section-image-wrapper:hover img {
  transform: scale(1.03);
}

/* Layout Utilities for images */
.ai-section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: stretch; /* Stretches children to equal height */
}

.ai-features-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: center; /* Vertically centers the column content */
}

.ai-image {
  display: flex; /* Helps ensure the wrapper can fill the height */
}

@media (max-width: 992px) {
  .hero-content, .ai-section-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
}