/* ============================================
   Auctopus Technologies - Deep Space Theme
   Network Automation & Datacenter Management
   ============================================ */

/* CSS Custom Properties */
:root {
  /* Deep Space Palette */
  --bg-primary: #0B0E14;
  --bg-secondary: #131820;
  --bg-tertiary: #1A1F2E;
  --text-primary: #E2E8F0;
  --text-muted: #A0AEC0;
  --text-dim: #718096;
  --accent-blue: #007BFF;
  --accent-green: #4AF626;
  --accent-blue-hover: #3393FF;
  --accent-green-hover: #6BFF4A;
  --border-color: #2D3748;
  
  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  /* Spacing */
  --header-height: 72px;
  --section-padding: 5rem 1.5rem;
  --max-width: 1200px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
}

/* Light mode overrides */
[data-theme="light"] {
  --bg-primary: #F7FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EDF2F7;
  --text-primary: #1A202C;
  --text-muted: #4A5568;
  --text-dim: #718096;
  --border-color: #E2E8F0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

a:hover {
  color: var(--accent-blue-hover);
}

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

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: transparent;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(11, 14, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-color);
}

[data-theme="light"] .header.scrolled {
  background: rgba(247, 250, 252, 0.95);
}

.header-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand span {
  color: var(--accent-green);
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

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

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--transition-fast);
}

.dropdown-trigger:hover {
  color: var(--text-primary);
}

.dropdown-trigger svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.dropdown.open .dropdown-trigger svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  min-width: 220px;
  padding: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

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

.dropdown-menu a {
  display: block;
  padding: 0.6rem 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  border-radius: 6px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover {
  background: var(--bg-tertiary);
  color: var(--accent-blue);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-blue);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
}

.cta-button.secondary {
  background: transparent;
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.cta-button.secondary:hover {
  background: rgba(74, 246, 38, 0.1);
  color: var(--accent-green-hover);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 4rem) 1.5rem 4rem;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
  max-width: 700px;
}

.hero .subheadline {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 2rem;
}

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

/* Hero with background image */
.hero-with-bg {
  position: relative;
  overflow: hidden;
}

.hero-bg-img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  opacity: 0.25;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 14, 20, 0.85) 0%, rgba(11, 14, 20, 0.95) 100%);
  z-index: 1;
}

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

/* Feature cards with images */
.feature-card-with-img {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.feature-card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.feature-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.feature-card-with-img:hover .feature-card-img img {
  transform: scale(1.03);
}

.feature-card-body {
  padding: 1.5rem;
}

.feature-card-with-img .feature-card-body h3 {
  margin-bottom: 0.5rem;
}

.feature-card-with-img .feature-card-body p {
  margin-bottom: 0;
}

.feature-grid-images {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Showcase grid (case studies) */
.showcase-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .showcase-grid {
    grid-template-columns: 1fr;
  }
}

.showcase-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.showcase-item:hover {
  border-color: var(--accent-blue);
}

.showcase-item img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.showcase-item h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 1rem 1.25rem 0.25rem;
  margin: 0;
}

.showcase-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0 1.25rem;
  margin: 0;
  line-height: 1.5;
}

.showcase-item .nav-link {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
}

/* FAQ section with image */
.faq-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 600px) {
  .faq-content {
    flex-direction: column;
  }
}

.faq-img {
  flex-shrink: 0;
}

.faq-img img {
  max-width: 280px;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.faq-text {
  color: var(--text-muted);
}

.faq-text a {
  color: var(--accent-blue);
}

/* ============================================
   LOGO CAROUSEL
   ============================================ */
.logo-carousel {
  padding: 3rem 0;
  overflow: hidden;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.logo-track {
  display: flex;
  gap: 4rem;
  animation: scroll 40s linear infinite;
  width: max-content;
}

.logo-track:hover {
  animation-play-state: paused;
}

.logo-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  min-width: 80px;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.logo-item:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.logo-item img {
  height: 100%;
  width: auto;
  max-width: 100px;
  object-fit: contain;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   HERO COMPACT (subpages)
   ============================================ */
.hero-compact {
  min-height: auto;
  padding: calc(var(--header-height) + 4rem) 1.5rem 4rem;
}

.hero-compact .section-body {
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

/* ============================================
   PAGE CONTENT (Company, NetPeace, BYOA)
   ============================================ */
.page-content {
  padding-top: var(--header-height);
}

.content-section {
  padding: 4rem 1.5rem;
  scroll-margin-top: var(--header-height);
}

.content-section[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.content-section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.content-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent-green);
  margin-bottom: 1rem;
}

.section-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.section-intro {
  font-size: 1.0625rem;
  margin-bottom: 1.5rem;
}

.section-tagline {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.feature-list {
  list-style: none;
  margin: 1.5rem 0;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
  line-height: 1.6;
  border-bottom: 1px solid var(--border-color);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-size: 0.875rem;
}

.capability-block {
  margin-bottom: 2.5rem;
}

.capability-block:last-child {
  margin-bottom: 0;
}

.capability-block h3 {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.capability-list {
  list-style: none;
}

.capability-list li {
  padding: 0.5rem 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

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

.cta-section .cta-button {
  margin-top: 0.5rem;
}

/* ============================================
   FEATURE GRID
   ============================================ */
.features {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

.feature-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue);
}

.feature-card-link {
  text-decoration: none;
  color: inherit;
}

.feature-card-link:hover {
  color: inherit;
}

.feature-card-link .feature-card p {
  color: var(--text-muted);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 123, 255, 0.1);
  border-radius: 10px;
  margin-bottom: 1.25rem;
  color: var(--accent-blue);
}

.feature-card h3 {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   METRICS COUNTER
   ============================================ */
.metrics {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.metrics-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

.metric-item {
  text-align: center;
  padding: 1.5rem;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.footer-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 768px) {
  .footer-main {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.footer-column h4 {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-column p,
.footer-column a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-column a:hover {
  color: var(--accent-blue);
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: 8px;
  color: var(--text-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.social-icons a:hover {
  color: var(--accent-blue);
  background: var(--bg-primary);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.625rem 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.newsletter-form input::placeholder {
  color: var(--text-dim);
}

.newsletter-form input:focus {
  border-color: var(--accent-blue);
}

.newsletter-form button {
  padding: 0.625rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent-blue);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.newsletter-form button:hover {
  background: var(--accent-blue-hover);
}

/* Footer Bottom Bar */
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.footer-bottom-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-bottom-links a,
.footer-bottom-links span {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

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

/* Dark/Light Mode Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.25rem;
  cursor: pointer;
}

.theme-toggle-slider {
  width: 44px;
  height: 24px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  position: relative;
  transition: background var(--transition-base);
}

.theme-toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--accent-blue);
  border-radius: 50%;
  transition: transform var(--transition-base);
}

[data-theme="light"] .theme-toggle-slider::after {
  transform: translateX(20px);
}

.theme-toggle span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .nav-center {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-mobile {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    display: none;
  }
  
  .nav-mobile.open {
    display: flex;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    margin-top: 0.5rem;
    margin-left: 1rem;
    box-shadow: none;
    border: none;
    background: var(--bg-tertiary);
  }
  
  .dropdown.open .dropdown-menu {
    display: block;
  }
}