/**
 * Cyberspace Solution - Core Base & Component Styles
 */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-midnight);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-cyan);
  color: var(--color-midnight);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  z-index: 999999;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
  text-decoration: none;
}
.skip-link:focus {
  top: 1rem;
}

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

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Visible Focus Outline */
:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

/* ==========================================================================
   Typography Helpers
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}
p:last-child {
  margin-bottom: 0;
}

.text-cyan {
  color: var(--color-cyan);
}
.text-electric-blue {
  color: var(--color-electric-blue);
}
.text-violet {
  color: var(--color-violet);
}
.text-gradient {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-electric-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-purple {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.cs-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.cs-container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.cs-container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.cs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.cs-btn-gradient {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: 0 4px 18px rgba(52, 120, 246, 0.45);
}
.cs-btn-gradient:hover {
  background: var(--gradient-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(57, 213, 255, 0.6);
  color: var(--color-white);
}

.cs-btn-outline {
  background: rgba(16, 26, 45, 0.6);
  color: var(--color-cyan);
  border: 1.5px solid var(--color-cyan);
  backdrop-filter: blur(8px);
}
.cs-btn-outline:hover {
  background: var(--color-cyan);
  color: var(--color-midnight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

.cs-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}
.cs-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.cs-btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}
.cs-btn-whatsapp:hover {
  background: #20BA5A;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.cs-btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.cs-btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.0625rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.cs-site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  background: rgba(8, 14, 27, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cs-site-header.is-scrolled {
  background: rgba(8, 14, 27, 0.96);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(57, 213, 255, 0.15);
}

.cs-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

/* Brand Logo & Wordmark */
.cs-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.cs-brand-logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-electric-blue) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 0 15px rgba(57, 213, 255, 0.4);
}

.cs-brand-text {
  display: flex;
  flex-direction: column;
}

.cs-brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.cs-brand-tagline {
  font-size: 0.6875rem;
  color: var(--color-cyan);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Main Navigation */
.cs-main-nav {
  display: flex;
  align-items: center;
}

.cs-nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.5rem;
}

.cs-nav-item {
  position: relative;
}

.cs-nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #CBD5E1;
  padding: 0.5rem 0.25rem;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cs-nav-link:hover,
.cs-nav-item.current-menu-item > .cs-nav-link,
.cs-nav-item.current-menu-ancestor > .cs-nav-link {
  color: var(--color-cyan);
}

/* Dropdown Menu */
.cs-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: rgba(16, 26, 45, 0.98);
  border: 1px solid rgba(57, 213, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  list-style: none;
  z-index: 100;
}

.cs-nav-item:hover > .cs-dropdown,
.cs-nav-item:focus-within > .cs-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cs-dropdown-link {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  color: #CBD5E1;
  font-weight: 500;
}
.cs-dropdown-link:hover {
  background: rgba(57, 213, 255, 0.1);
  color: var(--color-cyan);
}

/* Header Actions */
.cs-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cs-search-trigger {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #CBD5E1;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.cs-search-trigger:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  background: rgba(57, 213, 255, 0.1);
}

.cs-mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
}

@media (max-width: 991px) {
  .cs-main-nav {
    display: none;
  }
  .cs-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .cs-header-actions {
    gap: 0.4rem;
  }
  .cs-btn-whatsapp span {
    display: none;
  }
  .cs-btn-whatsapp {
    padding: 0.45rem;
    width: 36px;
    height: 36px;
    justify-content: center;
    border-radius: 50%;
  }
  .cs-search-trigger {
    width: 36px;
    height: 36px;
  }
  .cs-header-cta-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 576px) {
  .cs-brand-tagline {
    display: none;
  }
  .cs-brand-name {
    font-size: 1.05rem;
  }
  .cs-header-cta-btn {
    display: none;
  }
}

/* ==========================================================================
   Mobile Drawer Navigation
   ========================================================================== */
.cs-mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background: var(--color-deep-navy);
  z-index: 2000;
  transition: right var(--transition-smooth);
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.6);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.cs-mobile-drawer.is-active {
  right: 0;
}

.cs-mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cs-mobile-close {
  background: transparent;
  border: none;
  color: #CBD5E1;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cs-mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  display: block;
  padding: 0.5rem 0;
}
.cs-mobile-nav-link:hover {
  color: var(--color-cyan);
}

.cs-mobile-drawer-footer {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cs-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal);
}
.cs-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.cs-site-footer {
  background: var(--color-midnight);
  border-top: 1px solid rgba(57, 213, 255, 0.15);
  padding-top: 5rem;
  padding-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.cs-site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), var(--color-violet), transparent);
}

.cs-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (max-width: 991px) {
  .cs-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}
@media (max-width: 576px) {
  .cs-footer-grid {
    grid-template-columns: 1fr;
  }
}

.cs-footer-col-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}
.cs-footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-cyan);
}

.cs-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cs-footer-link {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}
.cs-footer-link:hover {
  color: var(--color-cyan);
  transform: translateX(4px);
}

.cs-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.cs-footer-legal-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.cs-footer-legal-links a:hover {
  color: var(--color-cyan);
}

/* ==========================================================================
   Modals & Popups
   ========================================================================== */
.cs-modal-wrapper {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.cs-modal-wrapper.is-open {
  opacity: 1;
  visibility: visible;
}

.cs-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 14, 27, 0.85);
  backdrop-filter: blur(8px);
}

.cs-modal-card {
  position: relative;
  z-index: 2;
  background: var(--color-deep-navy);
  border: 1px solid rgba(57, 213, 255, 0.3);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), var(--shadow-glow-cyan);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.cs-modal-wrapper.is-open .cs-modal-card {
  transform: scale(1);
}

.cs-modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #CBD5E1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.cs-modal-close-btn:hover {
  background: var(--color-cyan);
  color: var(--color-midnight);
}

/* Forms */
.cs-form-group {
  margin-bottom: 1.25rem;
}

.cs-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #CBD5E1;
  margin-bottom: 0.5rem;
}

.cs-form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(19, 34, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.cs-form-control:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(57, 213, 255, 0.35);
  background: rgba(19, 34, 59, 0.95);
}

.cs-form-control::placeholder {
  color: var(--color-text-dim);
}

/* Anti-spam honeypot */
.cs-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.cs-form-feedback {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  display: none;
}
.cs-form-feedback.is-success {
  display: block;
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.4);
  color: #4ADE80;
}
.cs-form-feedback.is-error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #F87171;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}