/*
 * Cubix AI - Main Stylesheet
 * Modern, futuristic design for AI Digital Workers platform
 */

/* Import Variables */
@import 'variables.css';

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-gray-100);
  background-color: var(--color-deep-navy);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

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

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-lg {
  max-width: var(--container-lg);
}

.container-sm {
  max-width: var(--container-sm);
}

/* Typography */
.text-display {
  font-family: var(--font-display);
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
}

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

.text-glow {
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-gray-700);
}

.btn-secondary:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* Cards */
.card {
  background: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-glass {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
}

.nav-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-menu-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu-list li {
  list-style: none;
}

.nav-menu-list li a {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav-menu-list li a:hover {
  color: var(--color-white);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

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

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: var(--space-2);
  background: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: var(--z-negative);
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(10, 10, 15, 0.92) 0%, rgba(10, 10, 15, 0.7) 50%, rgba(10, 10, 15, 0.4) 100%),
    radial-gradient(ellipse at center, transparent 0%, var(--color-deep-navy) 100%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-electric-blue-light);
  margin-bottom: var(--space-6);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-300);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.hero-stats-divider {
  width: 1px;
  height: 20px;
  background: var(--color-gray-700);
}

/* Section Styles */
.section {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  max-width: 768px;
  margin: 0 auto var(--space-16);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-gray-300);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  composes: card;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
}

.feature-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-white);
}

.feature-description {
  font-size: var(--text-base);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  counter-reset: step;
}

.step {
  position: relative;
  text-align: center;
}

.step-number {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  box-shadow: var(--shadow-glow-blue);
}

.step-number::before {
  counter-increment: step;
  content: counter(step);
}

.step-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.step-description {
  color: var(--color-gray-300);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  composes: card;
  position: relative;
}

.pricing-card.popular {
  border-color: var(--color-electric-blue);
  box-shadow: var(--shadow-glow-blue);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
}

.pricing-price span {
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  color: var(--color-gray-500);
}

.pricing-description {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-300);
}

.pricing-feature-check {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  composes: card;
}

.testimonial-quote {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  color: var(--color-gray-100);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  color: var(--color-white);
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: var(--font-semibold);
  color: var(--color-white);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* Footer */
.footer {
  background: var(--color-navy);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo img {
  width: 32px;
  height: 32px;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--color-electric-blue);
  color: var(--color-white);
}

.footer-column-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
}

.footer-link {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .hero-stats-divider {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Glow Effects */
.glow-blue {
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.3);
}

.glow-cyan {
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.3);
}

.glow-purple {
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.3);
}

/* Gradient Borders */
.gradient-border {
  position: relative;
  background: var(--color-navy);
  border-radius: var(--radius-xl);
}

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

/* ===== Page Templates ===== */

/* Page Hero */
.page-hero {
  padding: calc(72px + var(--space-24)) 0 var(--space-16);
  text-align: center;
  background: var(--gradient-dark);
}

.page-hero-title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  margin-bottom: var(--space-4);
}

.page-hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-300);
  max-width: 640px;
  margin: 0 auto var(--space-8);
}

/* Product Page */
.product-feature {
  max-width: 800px;
}

.product-feature-section.alt-bg {
  background: var(--gradient-dark);
}

.product-feature-content .section-title {
  text-align: left;
}

.product-feature-content .section-description {
  text-align: left;
  margin-bottom: var(--space-4);
}

.integrations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* About Page */
.about-block {
  max-width: 800px;
  margin: 0 auto;
}

.about-block .section-description {
  text-align: left;
  margin-bottom: var(--space-4);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-email {
  color: var(--color-electric-blue);
  font-weight: var(--font-medium);
}

.contact-email:hover {
  color: var(--color-electric-blue-light);
}

.contact-form-card {
  padding: var(--space-8);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-300);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-deep-navy);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-electric-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

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

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* Pricing Page extras */
.pricing-period {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.pricing-feature-cross {
  width: 20px;
  height: 20px;
  color: var(--color-gray-700);
  flex-shrink: 0;
}

.pricing-feature-disabled {
  opacity: 0.5;
}

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

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
  padding: var(--space-5) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  float: right;
  font-size: var(--text-xl);
  color: var(--color-gray-500);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 0 var(--space-5);
  color: var(--color-gray-300);
  line-height: var(--leading-relaxed);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: flex;
  }

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

  flex: 1;
  min-width: 0;