/* ============================================================================
   LCX Consulting - Static Website
   Design: Refined American Modernism
   ============================================================================ */

/* ============================================================================
   1. ROOT & TYPOGRAPHY
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,500;0,600;0,700;1,500&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Colors - Refined American Modernism */
  --primary: #1a3a52;           /* Navy Blue */
  --primary-light: #2d5a7b;
  --accent: #b8860b;            /* Copper/Gold */
  --accent-light: #d4a574;
  --background: #f5f1ed;        /* Warm Cream */
  --surface: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border: #e0dcd8;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ============================================================================
   2. RESET & BASE STYLES
   ============================================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
  overflow-x: hidden;
}

/* ============================================================================
   3. TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

h5 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

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

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

/* ============================================================================
   4. LAYOUT UTILITIES
   ============================================================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-between {
  justify-content: space-between;
  align-items: center;
}

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

/* Spacing Utilities */
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mt-3xl { margin-top: var(--spacing-3xl); }
.mt-4xl { margin-top: var(--spacing-4xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.mb-3xl { margin-bottom: var(--spacing-3xl); }
.mb-4xl { margin-bottom: var(--spacing-4xl); }

.py-md { padding: var(--spacing-md) 0; }
.py-lg { padding: var(--spacing-lg) 0; }
.py-xl { padding: var(--spacing-xl) 0; }
.py-2xl { padding: var(--spacing-2xl) 0; }
.py-3xl { padding: var(--spacing-3xl) 0; }
.py-4xl { padding: var(--spacing-4xl) 0; }

.px-md { padding: 0 var(--spacing-md); }
.px-lg { padding: 0 var(--spacing-lg); }

/* ============================================================================
   5. BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-primary:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
}

.btn-accent {
  background-color: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-accent:hover {
  background-color: var(--accent-light);
  border-color: var(--accent-light);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* ============================================================================
   6. CARDS
   ============================================================================ */

.card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--background);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
}

/* ============================================================================
   7. FORMS
   ============================================================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
}

input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--surface);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 82, 0.1);
}

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

.required::after {
  content: ' *';
  color: #d32f2f;
}

/* ============================================================================
   8. HEADER & NAVIGATION
   ============================================================================ */

header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.logo:hover {
  color: var(--accent);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.logo-text strong {
  font-size: var(--font-size-lg);
  line-height: 1;
}

.logo-text small {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: 400;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

nav a {
  color: var(--text-primary);
  font-weight: 500;
  position: relative;
  padding-bottom: var(--spacing-xs);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-fast);
}

nav a:hover::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--spacing-lg);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* ============================================================================
   9. HERO SECTION
   ============================================================================ */

.hero {
  background: linear-gradient(135deg, var(--background) 0%, #ede8e3 100%);
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(184, 134, 11, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero-text p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.hero-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.hero-card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================================================
   10. SECTIONS
   ============================================================================ */

section {
  padding: var(--spacing-4xl) 0;
}

section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================================
   11. SERVICES SECTION
   ============================================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.service-card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
}

.service-icon {
  width: 56px;
  height: 56px;
  background-color: var(--background);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  margin-bottom: var(--spacing-md);
}

.service-card p {
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

/* ============================================================================
   12. PROCESS SECTION
   ============================================================================ */

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

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

.process-number {
  font-size: var(--font-size-4xl);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: var(--spacing-md);
}

.process-step h3 {
  margin-bottom: var(--spacing-md);
}

.process-step p {
  color: var(--text-secondary);
}

/* ============================================================================
   13. FAQ SECTION
   ============================================================================ */

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--surface);
  border: none;
  width: 100%;
  text-align: left;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--background);
}

.faq-toggle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
  color: var(--text-secondary);
}

/* ============================================================================
   14. CTA SECTION
   ============================================================================ */

.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  text-align: center;
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .btn-accent {
  background-color: var(--accent);
}

/* ============================================================================
   15. FOOTER
   ============================================================================ */

footer {
  background-color: var(--primary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-4xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

/* ============================================================================
   16. RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --spacing-4xl: 3rem;
    --spacing-3xl: 2rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  .header-content {
    padding: var(--spacing-md) 0;
  }

  .hamburger {
    display: flex;
  }

  nav {
    display: none;
  }

  nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
  }

  nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  nav a::after {
    display: none;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .hero-text h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .services-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  section {
    padding: var(--spacing-2xl) 0;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
    --font-size-2xl: 1.125rem;
    --spacing-4xl: 2rem;
    --spacing-3xl: 1.5rem;
    --spacing-2xl: 1rem;
  }

  .logo-text strong {
    font-size: var(--font-size-base);
  }

  .logo-text small {
    display: none;
  }

  .hero-text h1 {
    font-size: var(--font-size-2xl);
  }

  .hero-text p {
    font-size: var(--font-size-base);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  .card {
    padding: var(--spacing-lg);
  }

  section {
    padding: var(--spacing-xl) 0;
  }
}

/* ============================================================================
   17. UTILITY CLASSES
   ============================================================================ */

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

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

.text-secondary {
  color: var(--text-secondary);
}

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

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

.bg-primary {
  background-color: var(--primary);
}

.bg-accent {
  background-color: var(--accent);
}

.bg-surface {
  background-color: var(--surface);
}

.bg-background {
  background-color: var(--background);
}

.rounded {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================================================
   18. ANIMATIONS
   ============================================================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}