/* ==========================================
   Dr. Stanley S. Lee - Expert Witness Website
   Main Stylesheet
   ========================================== */

/* ==========================================
   1. CSS VARIABLES
   ========================================== */

:root {
  /* Colors - Navy & Gold Authority Theme */
  --color-navy-primary: #0A2540;
  --color-navy-secondary: #1E3A5F;
  --color-gold-accent: #C9A961;
  --color-gold-hover: #D4AF37;
  --color-white: #FFFFFF;
  --color-gray-light: #F7F9FB;
  --color-gray-medium: #E8EDF2;
  --color-gray-dark: #4A5568;
  --color-text-primary: #2D3748;
  --color-text-secondary: #4A5568;

  /* Typography */
  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-accent: 'Trebuchet MS', 'Lucida Grande', sans-serif;

  /* Font Sizes */
  --text-hero: 48px;
  --text-h1: 36px;
  --text-h2: 28px;
  --text-h3: 22px;
  --text-h4: 18px;
  --text-body: 16px;
  --text-small: 14px;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-heading: 1.3;
  --line-height-body: 1.6;

  /* Spacing - 8px base unit */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 72px;
  --space-xxl: 96px;

  /* Container Widths */
  --width-narrow: 720px;
  --width-standard: 1140px;
  --width-wide: 1400px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;

  /* Shadows */
  --shadow-subtle: 0 2px 8px rgba(10, 37, 64, 0.08);
  --shadow-medium: 0 4px 16px rgba(10, 37, 64, 0.12);
  --shadow-strong: 0 8px 24px rgba(10, 37, 64, 0.16);
}

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

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
  background-color: var(--color-white);
  margin: 0;
  padding: 0;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-navy-primary);
  font-weight: 600;
  margin: 0 0 var(--space-md) 0;
  line-height: var(--line-height-heading);
}

h1 {
  font-size: var(--text-h1);
}

h2 {
  font-size: var(--text-h2);
}

h3 {
  font-size: var(--text-h3);
}

h4 {
  font-size: var(--text-h4);
}

p {
  margin: 0 0 var(--space-md) 0;
}

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

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

strong {
  font-weight: 600;
  color: var(--color-text-primary);
}

/* ==========================================
   4. LAYOUT & CONTAINERS
   ========================================== */

.container {
  width: 100%;
  max-width: var(--width-standard);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: var(--width-narrow);
}

.container-wide {
  max-width: var(--width-wide);
}

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

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

.section-alt {
  background-color: var(--color-gray-light);
}

/* ==========================================
   5. HEADER & NAVIGATION
   ========================================== */

.site-header {
  background-color: var(--color-navy-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.site-header.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--width-wide);
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
}

.logo-link {
  display: block;
}

.logo-image {
  height: 80px;
  width: auto;
  border-radius: 4px;
}

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

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-md);
}

.nav-links a {
  color: var(--color-white);
  font-size: 15px;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold-accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-gold-accent);
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-phone {
  color: var(--color-white);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
}

.header-phone:hover {
  color: var(--color-gold-accent);
}

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

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

/* ==========================================
   6. HERO SECTION
   ========================================== */

.hero {
  background: linear-gradient(135deg, var(--color-navy-primary) 0%, var(--color-navy-secondary) 100%);
  color: var(--color-white);
  padding: var(--space-xxl) 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: var(--space-lg);
  align-items: center;
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-strong);
}

.hero-headshot {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 8px;
  border: 2px solid var(--color-white);
  box-shadow: var(--shadow-strong);
  background-color: var(--color-gray-light);
}

.hero-content h1 {
  font-size: var(--text-hero);
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  line-height: var(--line-height-tight);
}

.hero-subtitle {
  font-size: 20px;
  color: var(--color-gold-accent);
  margin-bottom: var(--space-lg);
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.badge {
  font-size: var(--text-small);
  color: var(--color-gray-light);
}

.badge strong {
  color: var(--color-white);
  display: block;
  font-size: var(--text-body);
}

/* ==========================================
   7. BUTTONS & CTAs
   ========================================== */

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: var(--text-body);
  font-weight: 600;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-gold-accent);
  color: var(--color-navy-primary);
  border-color: var(--color-gold-accent);
}

.btn-primary:hover {
  background-color: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  color: var(--color-navy-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

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

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

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

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

/* ==========================================
   8. CARDS & COMPONENTS
   ========================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.card {
  background-color: var(--color-white);
  border-left: 4px solid var(--color-gold-accent);
  padding: var(--space-lg);
  border-radius: 4px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-left-color: var(--color-gold-hover);
}

.card-icon {
  font-size: 36px;
  color: var(--color-gold-accent);
  margin-bottom: var(--space-sm);
}

.card h3 {
  color: var(--color-navy-primary);
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.card-link {
  color: var(--color-gold-accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.card-link:hover {
  color: var(--color-gold-hover);
}

.card-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* ==========================================
   9. CREDENTIALS TIMELINE
   ========================================== */

.timeline {
  position: relative;
  padding-left: var(--space-lg);
  margin-top: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--color-gold-accent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-gold-accent);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-gold-accent);
}

.timeline-date {
  font-family: var(--font-accent);
  font-size: var(--text-small);
  color: var(--color-gold-accent);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: var(--text-h4);
  color: var(--color-navy-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-institution {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  font-style: italic;
}

/* ==========================================
   10. FORMS
   ========================================== */

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

label {
  display: block;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  font-size: var(--text-body);
}

label .required {
  color: var(--color-gold-accent);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px var(--space-sm);
  font-size: var(--text-body);
  font-family: var(--font-body);
  border: 2px solid var(--color-gray-medium);
  border-radius: 4px;
  transition: border-color var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-gold-accent);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.radio-group {
  display: flex;
  gap: var(--space-md);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
}

.form-note {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: var(--space-sm);
}

/* ==========================================
   11. CONTENT SECTIONS
   ========================================== */

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl) auto;
}

.section-header h2 {
  font-size: var(--text-h1);
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: 18px;
  color: var(--color-text-secondary);
}

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

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

.content-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-medium);
}

.about-headshot {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-medium);
  background-color: var(--color-gray-light);
}

.hospital-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-sm);
}

.hospital-list li {
  padding: var(--space-sm);
  background-color: var(--color-gray-light);
  border-left: 3px solid var(--color-gold-accent);
  border-radius: 4px;
}

.hospital-list li strong {
  display: block;
  color: var(--color-navy-primary);
}

.hospital-list li span {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

/* ==========================================
   12. FOOTER
   ========================================== */

.site-footer {
  background-color: var(--color-navy-primary);
  color: var(--color-gray-light);
  padding: var(--space-xl) 0 var(--space-md) 0;
  border-top: 3px solid var(--color-gold-accent);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: var(--width-wide);
  margin: 0 auto var(--space-lg) auto;
  padding: 0 var(--space-md);
}

.footer-section h4 {
  color: var(--color-white);
  font-size: var(--text-h4);
  margin-bottom: var(--space-sm);
}

.footer-section p,
.footer-section a {
  color: var(--color-gray-light);
  font-size: var(--text-small);
}

.footer-section strong {
  color: var(--color-white);
}

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

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-small);
  color: var(--color-gray-light);
}

/* ==========================================
   13. UTILITY CLASSES
   ========================================== */

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

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

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.hidden {
  display: none;
}