/* ==========================================================================
   F&W Services - Premium Design System
   ========================================================================== */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Color Palette */
  --color-navy-deep: #0a1628;
  --color-navy-medium: #1a2942;
  --color-navy-light: #2a3952;
  --color-blue-electric: #2563eb;
  --color-blue-light: #3b82f6;
  --color-gold-warm: #f59e0b;
  --color-gold-light: #fbbf24;
  --color-white: #ffffff;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  
  /* Spacing - 8px Grid System */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Typography Scale */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-normal: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Elevation (Shadows) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Animation */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;
  
  /* Layout */
  --container-max: 1280px;
  --nav-height: 72px;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-navy-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   Layout
   ========================================================================== */

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

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: background var(--transition-base);
}

.nav-content {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
}

.brand-fw {
  color: var(--color-blue-electric);
}

.brand-divider {
  width: 2px;
  height: 24px;
  background: var(--color-gold-warm);
}

.brand-services {
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-sm);
  width: 44px;
  height: 44px;
  justify-content: center;
  align-items: center;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-base);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  font-weight: var(--font-weight-semibold);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-base);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-blue-electric);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-blue-electric);
}

.nav-links a:hover::after {
  width: 100%;
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-navy-deep);
    padding: var(--space-lg);
    gap: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy-medium) 100%);
  animation: gradient-shift 8s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-blue-electric) 0%, var(--color-gold-warm) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-gray-300);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  border-radius: 8px;
  transition: all var(--transition-base);
  min-width: 140px;
  min-height: 48px;
  text-align: center;
}

.btn-primary {
  background: var(--color-blue-electric);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  background: var(--color-blue-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-gold-warm);
  color: var(--color-gold-warm);
}

.btn-full {
  width: 100%;
}

.btn svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Trust Bar
   ========================================================================== */

.trust-bar {
  background: var(--color-navy-medium);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-xl) 0;
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.trust-icon {
  width: 40px;
  height: 40px;
  color: var(--color-blue-electric);
  flex-shrink: 0;
}

.trust-label {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  font-weight: var(--font-weight-semibold);
}

.trust-value {
  font-size: 1rem;
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

@media (max-width: 767px) {
  .trust-items {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-gray-300);
  line-height: 1.6;
}

/* ==========================================================================
   Divisions Section
   ========================================================================== */

.divisions {
  padding: var(--space-4xl) 0;
}

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

.division-card {
  background: var(--color-navy-medium);
  border-radius: 16px;
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-slow);
}

.division-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-blue-electric);
  box-shadow: var(--shadow-xl);
}

.division-number {
  position: absolute;
  top: -20px;
  right: var(--space-lg);
  font-size: 8rem;
  font-weight: var(--font-weight-bold);
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  pointer-events: none;
}

.division-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.division-icon svg {
  width: 100%;
  height: 100%;
  color: var(--color-blue-electric);
  transition: all var(--transition-base);
}

.division-card:hover .division-icon svg {
  color: var(--color-gold-warm);
  transform: scale(1.1);
}

.division-title {
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.division-description {
  color: var(--color-gray-300);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.division-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.feature-tag {
  padding: var(--space-xs) var(--space-md);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-blue-electric);
  font-weight: var(--font-weight-semibold);
}

.division-vision {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: rgba(245, 158, 11, 0.05);
  border-left: 3px solid var(--color-gold-warm);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-gray-300);
  font-style: italic;
}

.vision-icon {
  width: 16px;
  height: 16px;
  color: var(--color-gold-warm);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .divisions-grid {
    grid-template-columns: 1fr;
  }
  
  .division-number {
    font-size: 6rem;
  }
}

/* ==========================================================================
   Innovation Section
   ========================================================================== */

.innovation-section {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy-medium) 100%);
  position: relative;
  overflow: hidden;
}

.innovation-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.innovation-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 20px;
  color: var(--color-blue-electric);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-lg);
}

.innovation-badge svg {
  width: 20px;
  height: 20px;
}

.innovation-title {
  margin-bottom: var(--space-lg);
}

.innovation-description {
  font-size: 1.125rem;
  color: var(--color-gray-300);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.innovation-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.innovation-features li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  font-size: 1.125rem;
  color: var(--color-gray-300);
}

.innovation-features svg {
  width: 24px;
  height: 24px;
  color: var(--color-gold-warm);
  flex-shrink: 0;
}

/* Chat Window */
.chat-window {
  background: var(--color-navy-deep);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.chat-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-navy-medium);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-blue-electric), var(--color-gold-warm));
}

.chat-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
}

.chat-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse 2s ease-in-out infinite;
}

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

.chat-messages {
  padding: var(--space-lg);
  min-height: 400px;
  max-height: 500px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-message.received {
  align-self: flex-start;
}

.chat-message.sent {
  align-self: flex-end;
}

.message-content {
  padding: var(--space-md);
  border-radius: 12px;
  line-height: 1.5;
}

.received .message-content {
  background: var(--color-navy-medium);
  color: var(--color-white);
  border-bottom-left-radius: 4px;
}

.sent .message-content {
  background: var(--color-blue-electric);
  color: var(--color-white);
  border-bottom-right-radius: 4px;
}

.message-time {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  margin-top: var(--space-xs);
  padding: 0 var(--space-sm);
}

.chat-typing {
  display: flex;
  gap: 6px;
  padding: var(--space-md);
  background: var(--color-navy-medium);
  border-radius: 12px;
  width: fit-content;
}

.chat-typing span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gray-400);
  animation: typing 1.4s ease-in-out infinite;
}

.chat-typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.chat-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

@media (max-width: 1023px) {
  .innovation-content {
    grid-template-columns: 1fr;
  }
  
  .chat-messages {
    max-height: 400px;
  }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
  padding: var(--space-4xl) 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-details {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-blue-electric);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-label {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-xs);
}

.contact-item a {
  color: var(--color-white);
  transition: color var(--transition-base);
}

.contact-item a:hover {
  color: var(--color-blue-electric);
}

.contact-item address {
  color: var(--color-white);
  font-style: normal;
}

/* Contact Form */
.contact-form {
  background: var(--color-navy-medium);
  padding: var(--space-xl);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
  display: block;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-white);
  background: var(--color-navy-deep);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all var(--transition-base);
  min-height: 48px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue-electric);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-500);
}

@media (max-width: 1023px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--color-navy-medium);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
}

.footer-tagline {
  color: var(--color-gray-400);
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.footer-description {
  color: var(--color-gray-400);
  line-height: 1.6;
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

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

.footer-column li {
  margin-bottom: var(--space-sm);
}

.footer-column a {
  color: var(--color-gray-400);
  font-size: 0.875rem;
  transition: color var(--transition-base);
}

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

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-gray-500);
  font-size: 0.875rem;
  margin: 0;
}

@media (max-width: 1023px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Scroll Animations
   ========================================================================== */

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.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;
}

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-blue-electric);
  outline-offset: 2px;
}

/* Nav Enhancements for Portal/Admin Links */
.nav-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 var(--space-sm);
  display: inline-block;
}

.nav-icon {
  width: 18px;
  height: 18px;
  margin-right: var(--space-xs);
  vertical-align: middle;
}

.nav-link {
  display: inline-flex;
  align-items: center;
}

.nav-link--portal {
  color: var(--color-blue-light) !important;
  font-weight: var(--font-weight-semibold);
}

.nav-link--admin {
  color: var(--color-gold-warm) !important;
  font-weight: var(--font-weight-semibold);
}

.nav-link--active {
  color: var(--color-blue-electric);
  position: relative;
}

.nav-link--active::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-blue-electric);
}

@media (max-width: 768px) {
  .nav-divider {
    display: none;
  }
  .nav-link {
    display: flex;
  }
}