/* Design System Variables */
:root {
  /* Colors (extending theme.css) */
  --surface: #fafafa;
  --muted: #666;
  --border: #e0e0e0;
  --border-light: #f0f0f0;
  --ring: rgba(30, 64, 175, 0.35);
  --primary-700: #1e40af;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  
  /* Transitions */
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--spacing-lg) 0;
  color: var(--text);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 var(--spacing-sm) 0;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 var(--spacing-md) 0;
  max-width: 65ch;
}

section {
  margin-bottom: var(--spacing-2xl);
}

section:last-child {
  margin-bottom: 0;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border-light);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  min-height: 80px;
}

/* Brand / Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
  min-height: 56px;
}

.brand:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
  transition: transform var(--transition);
}

.brand-logo:hover {
  transform: scale(1.02);
}

.brand-logo[style*="display: none"] {
  display: none !important;
}

.brand-text {
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.8px;
  line-height: 1;
  text-transform: none;
  padding-top: 2px;
  background: linear-gradient(90deg, #0f172a 0%, #1e40af 50%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  display: none;
  transition: opacity var(--transition);
  vertical-align: middle;
}

.brand-text[style*="display: inline"] {
  display: inline-block !important;
}

.brand:hover .brand-text {
  opacity: 0.9;
}

/* Navigation Toggle Button */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
}

.nav-toggle:hover {
  background: var(--surface);
  border-color: var(--primary);
}

.nav-toggle:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

/* Desktop: navigation always visible */
@media (min-width: 769px) {
  .site-nav {
    display: flex !important;
  }
  
  .nav-toggle {
    display: none !important;
  }
}

.site-nav ul {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li {
  margin: 0;
}

.site-nav .nav-link {
  text-decoration: none;
  color: var(--text);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
  display: block;
  border-bottom: 2px solid transparent;
}

.site-nav .nav-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.site-nav .nav-link:focus,
.site-nav .nav-link:focus-visible {
  outline: none;
}

.site-nav .nav-link:focus-visible {
  box-shadow: 0 0 0 4px var(--ring);
  border-radius: var(--radius-sm);
}

.site-nav .nav-link.active {
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

/* Main content */
main {
  padding: var(--spacing-2xl) 0;
  min-height: calc(100vh - 200px);
}

.hero {
  padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) + var(--spacing-xl)) 0;
  background: linear-gradient(135deg, rgba(31, 75, 216, 0.02) 0%, rgba(255, 255, 255, 0) 100%);
  position: relative;
}

@media (min-width: 900px) {
  .hero {
    padding: calc(var(--spacing-3xl) + var(--spacing-xl)) 0;
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--surface);
  opacity: 0.3;
  z-index: -1;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-3xl);
  }
}

.hero-content {
  max-width: 700px;
}

.hero h1 {
  margin-bottom: var(--spacing-lg);
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  color: var(--text);
}

.hero p {
  margin-top: 0;
  margin-bottom: var(--spacing-xl);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

.hero-media {
  display: none;
}

@media (min-width: 900px) {
  .hero-media {
    display: block;
    min-height: 300px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
}

.hero-image {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  user-select: none;
  font-size: 1rem;
  line-height: 1.5;
  cursor: pointer;
}

.btn:focus,
.btn:focus-visible {
  outline: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 4px var(--ring);
}

.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-700));
  color: #fff;
  box-shadow: 0 10px 26px rgba(30, 64, 175, 0.20);
}

.btn-primary * {
  color: inherit;
}

.btn-primary:hover {
  color: #fff;
  background: linear-gradient(180deg, var(--primary-700), var(--primary));
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(30, 64, 175, 0.26);
}

.btn-primary:active {
  color: #fff;
  background: linear-gradient(180deg, var(--primary), var(--primary-700));
  transform: translateY(0);
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.18);
}

.btn-primary:focus-visible {
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--primary);
  border-color: rgba(30, 64, 175, 0.25);
}

.btn-secondary:hover {
  border-color: rgba(30, 64, 175, 0.40);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Links */
main a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition);
  border-bottom: 1px solid transparent;
}

main a:hover {
  border-bottom-color: var(--primary);
  color: var(--primary);
}

main a:focus,
main a:focus-visible {
  outline: none;
}

main a:focus-visible {
  box-shadow: 0 0 0 4px var(--ring);
  border-radius: var(--radius-sm);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-light);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.875rem;
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-brand {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: var(--spacing-xs);
}

.footer-meta {
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-right {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-right > div {
  color: var(--muted);
  font-size: 0.875rem;
}

.footer-link {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--transition);
  margin-top: var(--spacing-xs);
  display: inline-block;
}

.footer-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.footer-link:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Contact Layout */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

.contact-info {
  padding: var(--spacing-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.contact-info h2 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  margin-bottom: var(--spacing-sm);
}

.contact-info p:last-child {
  margin-bottom: 0;
}

.contact-form {
  padding: var(--spacing-xl);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

/* Forms */
.contact-form input,
.contact-form textarea {
  font: inherit;
  font-size: 1rem;
}

/* Input Base Class */
.input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  transition: all var(--transition);
  font-size: 1rem;
  font-family: inherit;
}

.contact-form .input {
  max-width: 100%;
}

.input:focus,
.input:focus-visible {
  outline: none;
  border-color: var(--primary);
}

.input:focus-visible {
  box-shadow: 0 0 0 4px var(--ring);
}

.input:invalid:not(:placeholder-shown) {
  border-color: #dc2626;
}

.input:valid:not(:placeholder-shown) {
  border-color: #16a34a;
}

.contact-form textarea.input {
  resize: vertical;
  min-height: 140px;
  font-family: inherit;
}

.contact-form label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text);
}

.contact-form p {
  margin-bottom: var(--spacing-md);
}

.contact-form p:last-of-type {
  margin-bottom: 0;
}

/* Button in form - use btn-primary if class exists, otherwise keep old styles */
.contact-form button.btn {
  margin-top: var(--spacing-md);
}

.contact-form button:not(.btn) {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.contact-form button:not(.btn):hover {
  background: #143ba6;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.contact-form button:not(.btn):active {
  transform: translateY(0);
}

.contact-form button:not(.btn):focus,
.contact-form button:not(.btn):focus-visible {
  outline: none;
}

.contact-form button:not(.btn):focus-visible {
  box-shadow: 0 0 0 4px var(--ring);
}

/* Section */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-actions {
  margin-top: var(--spacing-xl);
  text-align: center;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

@media (min-width: 600px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    max-width: 1200px;
  }
  
  /* Services page: prefer 2-3 columns */
  main.container .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  main.container .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Card Base */
.card {
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--primary);
}

/* Service Card */
.service-card {
  padding: 0;
}

.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.service-card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.card-body p {
  margin-bottom: var(--spacing-md);
  max-width: none;
  color: var(--text);
}

.card-body .card-meta {
  margin-bottom: 0;
  margin-top: auto;
  color: var(--muted);
  font-size: 0.9375rem;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

.service-card p {
  margin-bottom: var(--spacing-md);
  max-width: none;
  color: var(--text);
}

.service-card .card-meta {
  margin-bottom: 0;
  margin-top: auto;
  color: var(--muted);
  font-size: 0.9375rem;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-light);
}

/* Card Icon */
.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  flex-shrink: 0;
}

.card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  opacity: 0.9;
}

/* Card Image */
.card-image {
  margin: 0;
}

.card-image img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 0;
}

/* Legacy support for old services-grid */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

@media (min-width: 600px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }
  
  .brand {
    min-height: 48px;
  }
  
  .brand-text {
    font-size: 28px;
  }
  
  .nav-toggle {
    display: block;
    margin-left: auto;
  }
  
  .site-nav {
    width: 100%;
    display: none;
    order: 3;
  }
  
  .site-nav.is-open {
    display: block;
  }
  
  .site-nav ul {
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
  }
  
  .site-nav .nav-link {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  main {
    padding: var(--spacing-xl) 0;
  }
  
  section {
    margin-bottom: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .site-nav .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
  }
  
  .service-card {
    padding: 0;
  }
  
  .card-body {
    padding: 18px;
  }
}

/* Page Header */
.page-header {
  max-width: 800px;
  margin-bottom: var(--spacing-2xl);
}

.page-header h1 {
  margin-bottom: var(--spacing-md);
}

.page-header .lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 0;
}

/* Privacy Grid */
.privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .privacy-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
}

/* Privacy Card */
.privacy-card {
  padding: var(--spacing-xl);
}

.privacy-card h2 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.privacy-card p {
  margin-bottom: 0;
  color: var(--text);
  line-height: 1.7;
}