/* ==========================================================================
   MacXpress.net - Clean Professional Design
   IT Consulting since 1998
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties - Professional Color Palette
   -------------------------------------------------------------------------- */
:root {
  /* Primary Colors */
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;

  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Background */
  --bg-primary: #ffffff;
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);

  /* Text */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);

  /* Borders */
  --border-color: var(--gray-200);
  --border-dark: var(--gray-300);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 64px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Navigation - Clean Professional
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  z-index: 1000;
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.nav__logo:hover {
  color: var(--primary);
}

.nav__logo-img {
  width: 32px;
  height: 32px;
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

.nav__link {
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: color 0.2s, background 0.2s;
}

.nav__link:hover,
.nav__link--active {
  color: var(--primary);
  background: var(--bg-secondary);
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
}

.nav__dropdown-trigger svg {
  width: 12px;
  height: 12px;
  transition: transform 0.2s;
}

.nav__dropdown:hover .nav__dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s;
  z-index: 1001;
}

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

.nav__dropdown-item {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.938rem;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.nav__dropdown-item:hover {
  color: var(--primary);
  background: var(--bg-secondary);
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .nav__toggle {
    display: none;
  }
}

.nav__toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.2s;
}

/* Mobile Menu */
.nav__mobile {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  padding: var(--space-lg);
  transform: translateX(100%);
  transition: transform 0.3s;
  overflow-y: auto;
  z-index: 999;
}

.nav__mobile.is-open {
  transform: translateX(0);
}

.nav__mobile-link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.nav__mobile-sub {
  padding-left: var(--space-lg);
  background: var(--bg-secondary);
}

.nav__mobile-sub a {
  font-weight: 400;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: 800px;
}

/* --------------------------------------------------------------------------
   Hero Section - Clean & Professional
   -------------------------------------------------------------------------- */
.hero {
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero--large {
  padding-bottom: var(--space-2xl);
}

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

.hero__grid {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.hero__grid--large {
  /* No extra styling needed */
}

.hero__titlebar {
  display: none; /* Remove retro title bar */
}

.hero__main {
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
}

.hero__main--integrated {
  padding: var(--space-2xl);
}

.hero__title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3rem;
  }
}

.hero__title .text-accent {
  color: var(--primary);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

/* Stats Row */
.hero__sidebar,
.hero__stats-row {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  padding: var(--space-xl) var(--space-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

@media (max-width: 640px) {
  .hero__sidebar,
  .hero__stats-row {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

/* Services Inside Hero */
.hero__services {
  padding: var(--space-2xl);
  background: var(--bg-primary);
}

.hero__services-title {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.hero__services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .hero__services-grid {
    grid-template-columns: 1fr;
  }
}

.hero__cta {
  text-align: center;
  padding: var(--space-lg) 0;
}

/* --------------------------------------------------------------------------
   Buttons - Clean Modern Style
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn:hover {
  background: var(--bg-secondary);
  border-color: var(--gray-400);
}

.btn--primary {
  color: #ffffff;
  background: var(--primary);
  border-color: var(--primary);
}

.btn--primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   Service Cards - Clean Cards
   -------------------------------------------------------------------------- */
.service-card,
.service-card--window {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all 0.2s;
}

.service-card:hover,
.service-card--window:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

/* Remove retro title bar elements */
.service-card::before,
.service-card::after,
.service-card__titlebar,
.service-card__buttons,
.service-card__btn,
.service-card__window-title {
  display: none !important;
}

.service-card__content {
  padding: 0;
  background: transparent;
}

.service-card__number {
  display: none; /* Hide numbers */
}

.service-card__title,
.service-card__window-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  position: static;
  transform: none;
  background: none;
  border: none;
  padding: 0;
}

.service-card__desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--primary);
}

.service-card__link:hover {
  color: var(--primary-dark);
}

.service-card__link svg {
  width: 14px;
  height: 14px;
}

/* Services Grid */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 768px) {
  .services__grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Service Pages - Clean Layout
   -------------------------------------------------------------------------- */
.service-page {
  padding-top: var(--nav-height);
  min-height: 100vh;
  background: var(--bg-secondary);
}

.service-page__hero {
  padding: var(--space-3xl) var(--space-lg);
}

.service-page__grid {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.service-page__sidebar {
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

/* Hide retro elements */
.service-page__sidebar::before,
.service-page__line {
  display: none !important;
}

.service-page__number {
  display: none; /* Hide numbers */
}

.service-page__title {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.service-page__content {
  padding: var(--space-2xl);
}

.service-page__intro {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.service-page__section {
  margin-bottom: var(--space-2xl);
}

.service-page__section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--primary);
}

.service-page__list {
  padding-left: var(--space-lg);
}

.service-page__list li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
  color: var(--text-secondary);
  list-style: none;
}

.service-page__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.service-page__cta {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-2xl);
}

.service-page__cta-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.service-page__cta-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Listing Pages (Resources) - Clean Design
   -------------------------------------------------------------------------- */
.listing {
  padding-top: var(--nav-height);
  background: var(--bg-secondary);
  min-height: 100vh;
}

.listing__header {
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
  text-align: center;
}

.listing__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

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

.listing__content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-3xl);
}

.listing__content .stagger {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Case Studies */
.case-study {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  align-items: center;
  transition: background 0.2s;
  text-decoration: none;
  color: inherit;
}

.case-study:hover {
  background: var(--bg-secondary);
}

.case-study:last-child {
  border-bottom: none;
}

.case-study__number {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  min-width: 40px;
}

.case-study__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

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

.case-study__arrow {
  color: var(--primary);
}

.case-study__arrow svg {
  width: 20px;
  height: 20px;
}

/* Download Cards (Whitepapers) */
.download-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s;
}

.download-card:hover {
  background: var(--bg-secondary);
}

.download-card:last-child {
  border-bottom: none;
}

.download-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

.download-card__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: transparent;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.download-card__btn:hover {
  background: var(--primary);
  color: #ffffff;
}

/* Blog Items */
.blog-item {
  display: block;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s;
  text-decoration: none;
  color: inherit;
}

.blog-item:hover {
  background: var(--bg-secondary);
}

.blog-item:last-child {
  border-bottom: none;
}

.blog-item__date {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.blog-item__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  transition: color 0.2s;
}

.blog-item:hover .blog-item__title {
  color: var(--primary);
}

.blog-item__excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact {
  padding-top: var(--nav-height);
  background: var(--bg-secondary);
  min-height: 100vh;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact__info {
  padding: var(--space-lg) 0;
}

.contact__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.contact__text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.contact__details {
  margin-bottom: var(--space-xl);
}

.contact__detail {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.contact__detail-label {
  font-weight: 600;
  min-width: 80px;
  color: var(--text-muted);
}

.contact__detail-value {
  color: var(--text-primary);
}

.trust__badges {
  display: flex;
  gap: var(--space-sm);
}

.trust__badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.contact__social {
  margin-top: var(--space-xl);
}

.contact__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #0a66c2;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.contact__social-link:hover {
  background: #0a66c2;
  color: #fff;
  border-color: #0a66c2;
}

/* Contact Form */
.form {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.form::before {
  content: 'Contact Form';
  display: block;
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.form__group {
  padding: 0 var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form__group:first-of-type {
  padding-top: var(--space-lg);
}

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form__submit {
  width: calc(100% - var(--space-lg) * 2);
  margin: 0 var(--space-lg) var(--space-lg);
}

.form__recaptcha-notice {
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.form__recaptcha-notice a {
  color: var(--primary);
}

.form__message {
  margin: 0 var(--space-lg) var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
}

.form__message--success {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.form__message--error {
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* --------------------------------------------------------------------------
   Legal Pages
   -------------------------------------------------------------------------- */
.legal-page {
  padding-top: var(--nav-height);
  padding-bottom: var(--space-3xl);
  background: var(--bg-secondary);
  min-height: 100vh;
}

.legal-page__content {
  max-width: 800px;
  margin: var(--space-3xl) auto;
  padding: var(--space-2xl);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.legal-page__content h1 {
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--border-color);
}

.legal-page__content h2 {
  font-size: 1.25rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--primary);
}

.legal-page__content h3 {
  font-size: 1.125rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-page__content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.legal-page__content address {
  font-style: normal;
  line-height: 1.7;
}

.legal-page__content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal-page__content li {
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  list-style: disc;
}

.legal-section {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.legal-section:last-child {
  border-bottom: none;
}

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

.mt-md {
  margin-top: var(--space-md);
}

/* --------------------------------------------------------------------------
   Footer - Clean Professional
   -------------------------------------------------------------------------- */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer__logo img {
  width: 24px;
  height: 24px;
}

.footer__tagline {
  font-size: 0.938rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer__title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.footer__link {
  display: block;
  font-size: 0.938rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  transition: color 0.2s;
}

.footer__link:hover {
  color: var(--primary);
}

.footer__bottom {
  max-width: var(--max-width);
  margin: var(--space-2xl) auto 0;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

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

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

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

.footer__legal a:hover {
  color: var(--primary);
}

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

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

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

.fade-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 50ms; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 100ms; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 150ms; }
.stagger.is-visible > *:nth-child(5) { transition-delay: 200ms; }
.stagger.is-visible > *:nth-child(6) { transition-delay: 250ms; }
.stagger.is-visible > *:nth-child(7) { transition-delay: 300ms; }
.stagger.is-visible > *:nth-child(8) { transition-delay: 350ms; }

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--primary); }
.text-center { text-align: center; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__main {
    padding: var(--space-2xl) var(--space-lg);
  }
}

/* ==========================================================================
   Theme System - Dynamic Visual Changes
   Themes modify appearance while maintaining clean layout
   ========================================================================== */

/* Theme transitions for smooth switching */
body,
.nav,
.hero,
.footer,
.btn,
.service-card,
.form__input,
.form__textarea {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Apply theme variables when set */
body[class*="theme-"] {
  font-family: var(--theme-font, var(--font-sans));
  background-color: var(--theme-background, var(--bg-primary));
  color: var(--theme-text, var(--text-primary));
}

body[class*="theme-"] .nav {
  background: var(--theme-surface, var(--bg-primary));
}

body[class*="theme-"] .hero {
  background: var(--theme-background, var(--bg-secondary));
}

body[class*="theme-"] .footer {
  background: var(--theme-surface, var(--bg-primary));
}

body[class*="theme-"] .text-accent,
body[class*="theme-"] .nav__link--active {
  color: var(--theme-accent, var(--primary));
}

body[class*="theme-"] .btn--primary {
  background: var(--theme-accent, var(--primary));
  border-radius: var(--theme-radius, var(--radius-md));
  box-shadow: var(--theme-shadow, var(--shadow-sm));
}

body[class*="theme-"] .btn--primary:hover {
  background: var(--theme-accent-dark, var(--primary-dark));
}

body[class*="theme-"] .service-card {
  background: var(--theme-surface, var(--bg-primary));
  border-radius: var(--theme-radius, var(--radius-lg));
  box-shadow: var(--theme-shadow, var(--shadow-md));
}

body[class*="theme-"] .service-card__link {
  color: var(--theme-accent, var(--primary));
}

body[class*="theme-"] .hero__stat-value {
  color: var(--theme-accent, var(--primary));
}

body[class*="theme-"] .form__input,
body[class*="theme-"] .form__textarea {
  border-radius: var(--theme-radius, var(--radius-md));
  background: var(--theme-surface, var(--bg-primary));
}

body[class*="theme-"] .form__input:focus,
body[class*="theme-"] .form__textarea:focus {
  border-color: var(--theme-accent, var(--primary));
  box-shadow: 0 0 0 3px var(--theme-accent-light, rgba(37, 99, 235, 0.1));
}

body[class*="theme-"] .trust__badge {
  border-color: var(--theme-accent, var(--primary));
  color: var(--theme-accent, var(--primary));
}

body[class*="theme-"] .footer__link:hover,
body[class*="theme-"] .footer__legal a:hover {
  color: var(--theme-accent, var(--primary));
}

/* --------------------------------------------------------------------------
   Windows 98 Theme (1998) - Classic 3D beveled look
   -------------------------------------------------------------------------- */
body.theme-win98 {
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
}

body.theme-win98 .nav {
  background: #c0c0c0;
  border-bottom: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
}

body.theme-win98 .nav__link {
  border-radius: 0;
}

body.theme-win98 .nav__link:hover {
  background: #000080;
  color: #ffffff;
}

body.theme-win98 .btn--primary {
  background: #c0c0c0;
  color: #000000;
  border: none;
  box-shadow: inset -2px -2px 0 #808080, inset 2px 2px 0 #ffffff, inset -3px -3px 0 #404040, inset 3px 3px 0 #dfdfdf;
  text-transform: none;
  font-weight: 400;
}

body.theme-win98 .btn--primary:hover {
  background: #d4d4d4;
}

body.theme-win98 .btn--primary:active {
  box-shadow: inset 2px 2px 0 #808080, inset -2px -2px 0 #ffffff;
}

body.theme-win98 .service-card {
  background: #c0c0c0;
  box-shadow: inset -2px -2px 0 #808080, inset 2px 2px 0 #ffffff;
  border: none;
}

body.theme-win98 .hero__grid {
  background: #c0c0c0;
  box-shadow: inset -2px -2px 0 #808080, inset 2px 2px 0 #ffffff;
}

body.theme-win98 .form__input,
body.theme-win98 .form__textarea {
  background: #ffffff;
  border: none;
  box-shadow: inset 2px 2px 0 #808080, inset -2px -2px 0 #ffffff;
}

body.theme-win98 .hero__stat-value {
  color: #000080;
}

/* --------------------------------------------------------------------------
   Mac OS 9 Theme (1999) - Platinum appearance
   -------------------------------------------------------------------------- */
body.theme-macos9 {
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;
  font-family: "Lucida Grande", "Geneva", "Helvetica Neue", sans-serif;
  /* Horizontal pinstripe pattern */
  background:
    repeating-linear-gradient(
      180deg,
      #e8e8e8 0px,
      #e8e8e8 1px,
      #f4f4f4 1px,
      #f4f4f4 2px
    ) !important;
}

body.theme-macos9 .nav {
  background:
    repeating-linear-gradient(
      180deg,
      #d0d0d0 0px,
      #d0d0d0 1px,
      #e0e0e0 1px,
      #e0e0e0 2px
    );
  border-bottom: 1px solid #888888;
  box-shadow: inset 0 -1px 0 #aaaaaa, inset 0 1px 0 #ffffff;
}

body.theme-macos9 .btn--primary {
  background: linear-gradient(180deg, #ffffff 0%, #e8e8e8 45%, #d0d0d0 55%, #c8c8c8 100%);
  border: 1px solid #666666;
  border-radius: 4px;
  color: #000000;
  box-shadow:
    inset 0 1px 0 #ffffff,
    inset 0 -1px 0 #888888,
    inset 1px 0 0 #dddddd,
    inset -1px 0 0 #aaaaaa,
    0 1px 2px rgba(0,0,0,0.2);
  font-weight: 500;
  font-family: "Lucida Grande", "Geneva", sans-serif;
  text-shadow: 0 1px 0 rgba(255,255,255,0.8);
  padding: 6px 18px;
}

body.theme-macos9 .btn--primary:hover {
  background: linear-gradient(180deg, #f0f0f0 0%, #e0e0e0 45%, #c8c8c8 55%, #c0c0c0 100%);
}

body.theme-macos9 .btn--primary:active {
  background: linear-gradient(180deg, #c0c0c0 0%, #d0d0d0 45%, #e0e0e0 55%, #e8e8e8 100%);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

body.theme-macos9 .service-card {
  background: #ffffff;
  border: 1px solid #888888;
  border-radius: 6px;
  box-shadow:
    1px 1px 0 #666666,
    inset 0 0 0 1px rgba(255,255,255,0.5);
}

body.theme-macos9 .hero__grid {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(240,240,240,0.9) 100%),
    repeating-linear-gradient(
      180deg,
      #e0e0e0 0px,
      #e0e0e0 1px,
      #eeeeee 1px,
      #eeeeee 2px
    );
  border: 1px solid #888888;
  border-radius: 8px;
  box-shadow:
    inset 0 1px 0 #ffffff,
    0 2px 4px rgba(0,0,0,0.15);
}

body.theme-macos9 .hero__stat-value {
  color: #0000cc;
  font-family: "Lucida Grande", "Geneva", sans-serif;
}

body.theme-macos9 h1,
body.theme-macos9 h2,
body.theme-macos9 h3 {
  font-family: "Lucida Grande", "Geneva", sans-serif;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   CDE Unix Theme (2000) - Motif style
   -------------------------------------------------------------------------- */
body.theme-cde {
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
}

body.theme-cde .nav {
  background: #ae9e86;
  border-bottom: 2px solid;
  border-color: #d6cebd #6e6656 #6e6656 #d6cebd;
}

body.theme-cde .btn--primary {
  background: #ae9e86;
  color: #000000;
  border: none;
  box-shadow: inset -2px -2px 0 #6e6656, inset 2px 2px 0 #d6cebd;
  font-weight: 400;
}

body.theme-cde .btn--primary:hover {
  background: #beae96;
}

body.theme-cde .service-card {
  background: #d6cebd;
  box-shadow: inset -2px -2px 0 #6e6656, inset 2px 2px 0 #f0e8d6;
  border: none;
}

body.theme-cde .hero__grid {
  background: #d6cebd;
  box-shadow: inset -2px -2px 0 #6e6656, inset 2px 2px 0 #f0e8d6;
}

body.theme-cde .form__input,
body.theme-cde .form__textarea {
  background: #f0e8d6;
  border: none;
  box-shadow: inset 2px 2px 0 #6e6656, inset -1px -1px 0 #d6cebd;
}

body.theme-cde .hero__stat-value {
  color: #4a6984;
}

/* --------------------------------------------------------------------------
   Windows XP Theme (2001) - Luna Blue style with orange hover
   -------------------------------------------------------------------------- */
body.theme-winxp {
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 5px;
  font-family: "Tahoma", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f5f9ff 0%, #d6e4f9 100%) !important;
}

body.theme-winxp .nav {
  background: linear-gradient(180deg,
    #0058e6 0%,
    #3a8cff 3%,
    #1666d6 8%,
    #0f4eb3 92%,
    #003399 97%,
    #002266 100%
  );
  border-bottom: 1px solid #001a4d;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 2px 4px rgba(0,0,0,0.3);
}

body.theme-winxp .nav__logo,
body.theme-winxp .nav__link {
  color: #ffffff;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  font-family: "Tahoma", sans-serif;
}

body.theme-winxp .nav__link:hover {
  background: rgba(255,255,255,0.15);
  color: #ffffff;
}

/* Luna style buttons - silver/blue with gloss */
body.theme-winxp .btn--primary {
  background: linear-gradient(180deg,
    #ffffff 0%,
    #ecf4fc 2%,
    #dcebf9 8%,
    #c2dcf4 40%,
    #add1f0 50%,
    #b9d9f4 52%,
    #c4e0f6 90%,
    #d4e9f8 98%,
    #ffffff 100%
  );
  border: 1px solid #0055bb;
  border-radius: 3px;
  color: #003399;
  font-family: "Tahoma", sans-serif;
  font-size: 11px;
  font-weight: 400;
  padding: 4px 16px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 1px 2px rgba(0,0,0,0.2);
  text-shadow: none;
}

/* Orange hover effect - iconic XP style */
body.theme-winxp .btn--primary:hover {
  background: linear-gradient(180deg,
    #ffffff 0%,
    #fff4e0 2%,
    #ffe8c0 8%,
    #ffc869 40%,
    #ffb442 50%,
    #ffbc52 52%,
    #ffc86a 90%,
    #ffd890 98%,
    #ffffff 100%
  );
  border-color: #c47000;
  color: #6b3a00;
}

body.theme-winxp .btn--primary:active {
  background: linear-gradient(180deg,
    #ffa030 0%,
    #ff9020 50%,
    #ffb050 100%
  );
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

body.theme-winxp .service-card {
  background: #ffffff;
  border: 1px solid #0054e3;
  border-top: 3px solid #0054e3;
  border-radius: 0 0 5px 5px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

body.theme-winxp .hero__grid {
  background: linear-gradient(180deg, #ffffff 0%, #e8f1fc 100%);
  border: 2px solid #0054e3;
  border-radius: 8px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.8),
    0 3px 8px rgba(0,0,0,0.15);
}

body.theme-winxp .form__input,
body.theme-winxp .form__textarea {
  border: 1px solid #7f9db9;
  border-radius: 2px;
  font-family: "Tahoma", sans-serif;
}

body.theme-winxp .hero__stat-value {
  color: #0054e3;
  font-family: "Tahoma", sans-serif;
  font-weight: bold;
}

body.theme-winxp h1,
body.theme-winxp h2,
body.theme-winxp h3 {
  font-family: "Tahoma", "Segoe UI", sans-serif;
  color: #003399;
}

/* --------------------------------------------------------------------------
   Mac OS X Aqua Theme (2002) - Glossy lickable buttons
   -------------------------------------------------------------------------- */
body.theme-aqua {
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  font-family: "Lucida Grande", "Lucida Sans Unicode", sans-serif;
  /* Vertical pinstripe pattern */
  background:
    repeating-linear-gradient(
      90deg,
      #ffffff 0px,
      #ffffff 1px,
      #f7f7f7 1px,
      #f7f7f7 2px
    ) !important;
}

/* Brushed metal navigation */
body.theme-aqua .nav {
  background:
    linear-gradient(180deg,
      #f4f4f4 0%,
      #e8e8e8 20%,
      #d8d8d8 40%,
      #c8c8c8 60%,
      #d0d0d0 80%,
      #e0e0e0 100%
    );
  border-bottom: 1px solid #888888;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.8),
    inset 0 -1px 0 rgba(0,0,0,0.1),
    0 2px 4px rgba(0,0,0,0.15);
}

/* Aqua glossy gel button - the iconic "lickable" style */
body.theme-aqua .btn--primary {
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.9) 0%,
      rgba(255,255,255,0.5) 3%,
      rgba(200,230,255,0.4) 5%,
      transparent 50%
    ),
    linear-gradient(180deg,
      #6bd4ff 0%,
      #35b5f4 35%,
      #0090e0 50%,
      #0070c0 50%,
      #0080d0 75%,
      #40a0e8 100%
    );
  border: 1px solid #0060a0;
  border-radius: 18px;
  color: #ffffff;
  font-family: "Lucida Grande", sans-serif;
  font-weight: bold;
  font-size: 12px;
  padding: 6px 22px;
  text-shadow: 0 -1px 0 rgba(0,0,0,0.4);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.3) inset,
    0 -1px 3px rgba(0,50,100,0.3) inset,
    0 3px 6px rgba(0,0,0,0.25),
    0 1px 2px rgba(0,0,0,0.2);
}

body.theme-aqua .btn--primary:hover {
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.95) 0%,
      rgba(255,255,255,0.6) 3%,
      rgba(220,240,255,0.5) 5%,
      transparent 50%
    ),
    linear-gradient(180deg,
      #80e0ff 0%,
      #50c5f8 35%,
      #20a0ec 50%,
      #1080d0 50%,
      #2090e0 75%,
      #60b0f0 100%
    );
  box-shadow:
    0 1px 0 rgba(255,255,255,0.4) inset,
    0 -1px 3px rgba(0,50,100,0.2) inset,
    0 4px 8px rgba(0,0,0,0.3),
    0 1px 2px rgba(0,0,0,0.2);
}

body.theme-aqua .btn--primary:active {
  background:
    linear-gradient(180deg,
      #0070b0 0%,
      #0080c0 50%,
      #40a0e0 100%
    );
  box-shadow:
    inset 0 2px 6px rgba(0,0,0,0.3),
    0 1px 2px rgba(0,0,0,0.2);
}

body.theme-aqua .service-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(250,252,255,0.9) 100%),
    repeating-linear-gradient(
      90deg,
      #ffffff 0px,
      #ffffff 1px,
      #f8f8f8 1px,
      #f8f8f8 2px
    );
  border: 1px solid #b0b0b0;
  border-radius: 12px;
  box-shadow:
    0 4px 12px rgba(0,0,0,0.12),
    inset 0 1px 0 rgba(255,255,255,0.8);
}

body.theme-aqua .hero__grid {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(245,250,255,0.85) 100%),
    repeating-linear-gradient(
      90deg,
      #f8f8f8 0px,
      #f8f8f8 1px,
      #ffffff 1px,
      #ffffff 2px
    );
  border: 1px solid #a0a0a0;
  border-radius: 16px;
  box-shadow:
    0 6px 20px rgba(0,0,0,0.12),
    inset 0 1px 0 rgba(255,255,255,0.9);
}

body.theme-aqua .form__input,
body.theme-aqua .form__textarea {
  border: 1px solid #b0b0b0;
  border-radius: 6px;
  box-shadow:
    inset 0 2px 4px rgba(0,0,0,0.08),
    0 1px 0 rgba(255,255,255,0.8);
  font-family: "Lucida Grande", sans-serif;
}

body.theme-aqua .hero__stat-value {
  color: #0080d0;
  font-family: "Lucida Grande", sans-serif;
  font-weight: bold;
}

body.theme-aqua h1,
body.theme-aqua h2,
body.theme-aqua h3 {
  font-family: "Lucida Grande", "Lucida Sans Unicode", sans-serif;
  color: #333333;
}

/* --------------------------------------------------------------------------
   Windows 7 Aero Theme (2009) - Glass-like translucency with glow
   -------------------------------------------------------------------------- */
body.theme-win7 {
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 6px;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #d4e4f7 0%, #a8c8e8 50%, #88b0d8 100%) !important;
}

/* Aero glass navigation */
body.theme-win7 .nav {
  background:
    linear-gradient(180deg,
      rgba(200, 225, 255, 0.85) 0%,
      rgba(160, 200, 245, 0.8) 30%,
      rgba(120, 175, 235, 0.75) 70%,
      rgba(100, 160, 225, 0.8) 100%
    );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(80,130,190,0.6);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.7),
    inset 0 -1px 0 rgba(0,0,0,0.05),
    0 2px 8px rgba(0,50,100,0.2);
}

body.theme-win7 .nav__logo,
body.theme-win7 .nav__link {
  text-shadow: 0 1px 2px rgba(255,255,255,0.5);
}

/* Aero style buttons with glass and glow */
body.theme-win7 .btn--primary {
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.6) 0%,
      rgba(255,255,255,0.2) 49%,
      rgba(255,255,255,0) 50%,
      rgba(255,255,255,0.1) 100%
    ),
    linear-gradient(180deg,
      #c8e0f8 0%,
      #a8d0f4 30%,
      #78b8e8 50%,
      #60a8e0 50%,
      #78b8e8 70%,
      #a0d0f0 100%
    );
  border: 1px solid rgba(50,100,160,0.7);
  border-radius: 3px;
  color: #1a3d5c;
  font-family: "Segoe UI", sans-serif;
  font-size: 12px;
  padding: 5px 18px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.8),
    0 1px 3px rgba(0,0,0,0.15);
  text-shadow: 0 1px 0 rgba(255,255,255,0.6);
}

/* Glowing hover effect */
body.theme-win7 .btn--primary:hover {
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.8) 0%,
      rgba(255,255,255,0.4) 49%,
      rgba(255,255,255,0.1) 50%,
      rgba(255,255,255,0.2) 100%
    ),
    linear-gradient(180deg,
      #d8f0ff 0%,
      #b8e0fc 30%,
      #90d0f8 50%,
      #78c0f0 50%,
      #90d0f8 70%,
      #b8e0fc 100%
    );
  border-color: rgba(60,140,200,0.8);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 0 8px rgba(80,180,255,0.6),
    0 0 15px rgba(80,180,255,0.3),
    0 1px 3px rgba(0,0,0,0.15);
}

body.theme-win7 .btn--primary:active {
  background:
    linear-gradient(180deg,
      #70a8d8 0%,
      #88b8e0 50%,
      #a0c8e8 100%
    );
  box-shadow:
    inset 0 2px 4px rgba(0,0,0,0.15);
}

/* Glass cards */
body.theme-win7 .service-card {
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.9) 0%,
      rgba(245,250,255,0.85) 100%
    );
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.7);
  border-bottom-color: rgba(150,190,230,0.5);
  border-radius: 5px;
  box-shadow:
    0 3px 10px rgba(0,50,100,0.1),
    inset 0 1px 0 rgba(255,255,255,0.9);
}

body.theme-win7 .hero__grid {
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.85) 0%,
      rgba(240,248,255,0.8) 50%,
      rgba(230,245,255,0.75) 100%
    );
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 8px;
  box-shadow:
    0 5px 20px rgba(0,60,120,0.12),
    inset 0 1px 0 rgba(255,255,255,0.95);
}

body.theme-win7 .form__input,
body.theme-win7 .form__textarea {
  background: rgba(255,255,255,0.95);
  border: 1px solid #88b0d8;
  border-radius: 3px;
  font-family: "Segoe UI", sans-serif;
  box-shadow:
    inset 0 1px 2px rgba(0,0,0,0.08),
    0 1px 0 rgba(255,255,255,0.5);
}

body.theme-win7 .form__input:focus,
body.theme-win7 .form__textarea:focus {
  border-color: #60a0e0;
  box-shadow:
    inset 0 1px 2px rgba(0,0,0,0.08),
    0 0 6px rgba(80,180,255,0.5);
}

body.theme-win7 .hero__stat-value {
  color: #1565c0;
  font-family: "Segoe UI", sans-serif;
}

body.theme-win7 h1,
body.theme-win7 h2,
body.theme-win7 h3 {
  font-family: "Segoe UI Light", "Segoe UI", sans-serif;
  font-weight: 300;
}

/* --------------------------------------------------------------------------
   Windows 8 Metro Theme (2012) - Flat, bold, tile-based
   -------------------------------------------------------------------------- */
body.theme-win8 {
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
}

body.theme-win8 .nav {
  background: #1a1a1a;
  border-bottom: none;
}

body.theme-win8 .nav__logo,
body.theme-win8 .nav__link {
  color: #ffffff;
}

body.theme-win8 .nav__link:hover {
  background: transparent;
  color: #0078d7;
}

body.theme-win8 .btn--primary {
  background: #0078d7;
  color: #ffffff;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  font-size: 0.875rem;
}

body.theme-win8 .btn--primary:hover {
  background: #1a88e0;
}

body.theme-win8 .service-card {
  background: #ffffff;
  border: none;
  border-left: 4px solid #0078d7;
  box-shadow: none;
  border-radius: 0;
}

body.theme-win8 .service-card:hover {
  background: #f0f0f0;
  border-left-color: #00b4ff;
}

body.theme-win8 .hero__grid {
  background: #ffffff;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

body.theme-win8 .hero__sidebar,
body.theme-win8 .hero__stats-row {
  background: #0078d7;
  border: none;
}

body.theme-win8 .hero__stat-value {
  color: #ffffff;
}

body.theme-win8 .hero__stat-label {
  color: rgba(255,255,255,0.8);
}

body.theme-win8 .form__input,
body.theme-win8 .form__textarea {
  border: 2px solid #cccccc;
  border-radius: 0;
}

body.theme-win8 .form__input:focus,
body.theme-win8 .form__textarea:focus {
  border-color: #0078d7;
  box-shadow: none;
}

/* --------------------------------------------------------------------------
   Modern macOS Theme (2018) - San Francisco font, subtle design
   -------------------------------------------------------------------------- */
body.theme-macos-modern {
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

body.theme-macos-modern .nav {
  background: rgba(255,255,255,0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid rgba(0,0,0,0.1);
}

body.theme-macos-modern .btn--primary {
  background: #007aff;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  letter-spacing: -0.01em;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

body.theme-macos-modern .btn--primary:hover {
  background: #0066d6;
}

body.theme-macos-modern .service-card {
  background: #ffffff;
  border: none;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04), 0 4px 20px rgba(0,0,0,0.06);
}

body.theme-macos-modern .hero__grid {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: none;
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

body.theme-macos-modern .form__input,
body.theme-macos-modern .form__textarea {
  background: #ffffff;
  border: 1px solid #d1d1d6;
  border-radius: 8px;
  box-shadow: none;
}

body.theme-macos-modern .form__input:focus,
body.theme-macos-modern .form__textarea:focus {
  border-color: #007aff;
  box-shadow: 0 0 0 4px rgba(0,122,255,0.15);
}

body.theme-macos-modern .hero__stat-value {
  color: #007aff;
}

/* --------------------------------------------------------------------------
   Current Theme (2021) - Clean professional design
   -------------------------------------------------------------------------- */
body.theme-current {
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

body.theme-current .nav {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

body.theme-current .btn--primary {
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(37,99,235,0.3);
}

body.theme-current .btn--primary:hover {
  background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  box-shadow: 0 2px 6px rgba(37,99,235,0.4);
}

body.theme-current .service-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

body.theme-current .service-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59,130,246,0.1);
}

body.theme-current .hero__grid {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

body.theme-current .form__input,
body.theme-current .form__textarea {
  border: 1px solid #d1d5db;
  border-radius: 8px;
}

body.theme-current .form__input:focus,
body.theme-current .form__textarea:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

body.theme-current .hero__stat-value {
  color: #2563eb;
}

/* --------------------------------------------------------------------------
   2030 Era Theme - Antigravity-inspired futuristic design
   -------------------------------------------------------------------------- */
body.theme-2030 {
  background: #ffffff;
  position: relative;
}

body.theme-2030 .nav {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

body.theme-2030 .hero {
  background: transparent;
  position: relative;
  z-index: 1;
}

body.theme-2030 .hero__grid {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

body.theme-2030 .btn--primary {
  background: linear-gradient(135deg, #4285f4 0%, #1a73e8 100%);
  border: none;
  border-radius: 24px;
  padding: 0.875rem 2rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.theme-2030 .btn--primary:hover {
  background: linear-gradient(135deg, #5a95f5 0%, #2b7de9 100%);
  box-shadow: 0 4px 16px rgba(66, 133, 244, 0.4);
  transform: translateY(-1px);
}

body.theme-2030 .btn {
  border-radius: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.theme-2030 .service-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.theme-2030 .service-card:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
  border-color: rgba(66, 133, 244, 0.2);
}

body.theme-2030 .service-card__link {
  color: #4285f4;
}

body.theme-2030 .service-card__link:hover {
  color: #1a73e8;
}

body.theme-2030 .hero__stat-value {
  background: linear-gradient(135deg, #4285f4, #ea4335, #fbbc04, #34a853);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

body.theme-2030 .footer {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

body.theme-2030 .form {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 24px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

body.theme-2030 .form::before {
  background: rgba(248, 249, 250, 0.9);
  border-radius: 24px 24px 0 0;
}

body.theme-2030 .form__input,
body.theme-2030 .form__textarea {
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

body.theme-2030 .form__input:focus,
body.theme-2030 .form__textarea:focus {
  border-color: #4285f4;
  box-shadow: 0 0 0 4px rgba(66, 133, 244, 0.15);
  background: #ffffff;
}

body.theme-2030 .trust__badge {
  border-radius: 16px;
  border-color: rgba(66, 133, 244, 0.3);
  color: #4285f4;
  background: rgba(66, 133, 244, 0.05);
}

body.theme-2030 .text-accent {
  background: linear-gradient(135deg, #4285f4, #1a73e8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Make content visible above particles */
body.theme-2030 .nav,
body.theme-2030 .hero,
body.theme-2030 .footer,
body.theme-2030 main,
body.theme-2030 section {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Chatbot Popup - AI Support Easter Egg
   -------------------------------------------------------------------------- */
.chatbot-white-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.chatbot-white-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.chatbot-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 480px;
  max-width: calc(100vw - 48px);
  background: #ffffff;
  border-radius: 24px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2), 0 10px 30px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-popup--visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.chatbot-popup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  background: linear-gradient(135deg, #4285f4 0%, #1a73e8 100%);
  color: #ffffff;
}

.chatbot-popup__title {
  font-weight: 600;
  font-size: 1.125rem;
}

.chatbot-popup__status {
  font-size: 0.813rem;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
}

.chatbot-popup__status::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #34a853;
  border-radius: 50%;
  margin-right: 6px;
  animation: pulse 2s infinite;
}

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

.chatbot-popup__messages {
  padding: 28px;
  min-height: 220px;
  background: #f8f9fa;
}

.chatbot-popup__message {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.chatbot-popup__message:last-child {
  margin-bottom: 0;
}

.chatbot-popup__message--user {
  flex-direction: row-reverse;
}

.chatbot-popup__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
}

.chatbot-popup__avatar--user {
  background: #e8f0fe;
  color: #1a73e8;
}

.chatbot-popup__avatar--ai {
  background: linear-gradient(135deg, #4285f4, #1a73e8);
  color: #ffffff;
}

.chatbot-popup__bubble {
  padding: 14px 20px;
  border-radius: 18px;
  font-size: 1.063rem;
  line-height: 1.5;
  max-width: 320px;
}

.chatbot-popup__bubble--user {
  background: #1a73e8;
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.chatbot-popup__bubble--ai {
  background: #ffffff;
  color: #202124;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chatbot-popup__link {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #e8eaed;
  color: #1a73e8;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  pointer-events: auto !important;
  cursor: pointer;
}

.chatbot-popup__link:hover {
  text-decoration: underline;
}

.chatbot-popup__input {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid #e8eaed;
  background: #ffffff;
}

.chatbot-popup__input input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #dadce0;
  border-radius: 20px;
  font-size: 0.875rem;
  outline: none;
  background: #f8f9fa;
}

.chatbot-popup__input button {
  padding: 10px 20px;
  background: #1a73e8;
  color: #ffffff;
  border: none;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 520px) {
  .chatbot-popup {
    width: calc(100vw - 32px);
    max-width: none;
  }

  .chatbot-popup__bubble {
    max-width: 220px;
  }
}