/* ============================================
   CSS Variables
   ============================================ */
:root {
  /* Colors - Calming Blues and Greens */
  --color-primary-blue: #4A90A4;
  --color-primary-blue-dark: #2E5B6B;
  --color-accent-teal: #5FA397;
  --color-bg-light-blue: #F0F7F9;
  --color-bg-light-teal: #F0F7F5;
  --color-white: #FFFFFF;
  --color-text-dark: #2C3E50;
  --color-text-medium: #546E7A;
  --color-border: #D1E3E8;
  --color-focus: #4A90A4;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 5rem;

  /* Typography */
  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-heading: Georgia, 'Times New Roman', serif;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;

  /* Layout */
  --border-radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition-base: 0.3s ease;
  --max-width-text: 65ch;
  --max-width-content: 1200px;
}


/* ============================================
   Base Styles & Reset
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}


/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--line-height-heading);
  font-weight: 600;
  margin-top: 0;
  color: var(--color-text-dark);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--color-primary-blue-dark);
  text-decoration: underline;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}


/* ============================================
   Layout Utilities
   ============================================ */
.container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

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

.section-about {
  background-color: var(--color-bg-light-blue);
}

.section-focus {
  background-color: var(--color-white);
}

.section-experience {
  background-color: var(--color-bg-light-teal);
}

.section-approach {
  background-color: var(--color-white);
}

.section-schedule {
  background-color: var(--color-white);
}

.section-faq {
  background-color: var(--color-bg-light-teal);
}

.section-resources {
  background-color: var(--color-white);
}


/* ============================================
   Skip Link (Accessibility)
   ============================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary-blue-dark);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}


/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

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

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-blue-dark);
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: var(--spacing-md);
}

.nav-list a {
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--color-text-dark);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
}

.nav-list a:hover {
  color: var(--color-primary-blue);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--spacing-sm);
  right: var(--spacing-sm);
  height: 2px;
  background-color: var(--color-primary-blue);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-list a:hover::after {
  transform: scaleX(1);
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: 2px solid var(--color-primary-blue);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color var(--transition-base);
  padding: 0;
}

.mobile-menu-toggle:hover {
  background-color: var(--color-bg-light-blue);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary-blue);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary-blue);
  position: absolute;
  left: 0;
  transition: transform var(--transition-base);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 61px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  z-index: 40;
  max-height: calc(100vh - 61px);
  overflow-y: auto;
}

.mobile-menu[aria-hidden="false"] {
  transform: translateY(0);
  opacity: 1;
}

.mobile-backdrop {
  position: fixed;
  top: 61px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: 30;
}

body.menu-open .mobile-backdrop {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav-list li {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-list li:last-child {
  border-bottom: none;
}

.mobile-nav-list a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-dark);
  font-weight: 500;
  font-size: var(--font-size-lg);
  min-height: 44px;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.mobile-nav-list a:hover {
  background-color: var(--color-bg-light-blue);
  color: var(--color-primary-blue);
  text-decoration: none;
}


/* ============================================
   Hero Section
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-bg-light-blue) 0%, var(--color-bg-light-teal) 100%);
  padding: var(--spacing-xl) 0;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

.hero-text {
  flex: 1;
}

.hero h1 {
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-xs);
}

.hero-credentials {
  font-size: var(--font-size-lg);
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.hero-tagline {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.hero-image {
  flex-shrink: 0;
}

.hero-image img {
  width: 100%;
  max-width: 300px;
  border-radius: 50%;
  object-fit: cover;
  aspect-ratio: 1;
  box-shadow: var(--shadow-md);
  border: 4px solid var(--color-white);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  border: 2px solid var(--color-primary-blue);
}

.btn-primary:hover {
  background-color: var(--color-primary-blue-dark);
  border-color: var(--color-primary-blue-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-blue);
  border: 2px solid var(--color-primary-blue);
}

.btn-secondary:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-tertiary {
  background-color: var(--color-white);
  color: var(--color-primary-blue-dark);
  border: 2px solid var(--color-border);
  font-weight: 500;
}

.btn-tertiary:hover {
  background-color: var(--color-bg-light-blue);
  border-color: var(--color-primary-blue);
  color: var(--color-primary-blue-dark);
  text-decoration: none;
  transform: translateY(-1px);
}


/* ============================================
   About Section
   ============================================ */
.section-about h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.section-about p:last-child {
  margin-bottom: 0;
}


/* ============================================
   Credentials at a Glance Section
   ============================================ */
.section-credentials {
  background-color: var(--color-bg-light-teal);
}

.section-credentials h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-md);
}

.credentials-list {
  max-width: 900px;
  margin: 0 auto;
}

.credential-item {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-accent-teal);
  box-shadow: var(--shadow-sm);
  line-height: var(--line-height-base);
}

.credential-label {
  color: var(--color-primary-blue-dark);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.credential-text {
  color: var(--color-text-dark);
  line-height: var(--line-height-base);
}

.credential-item:last-child {
  margin-bottom: 0;
}

.credentials-cta {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.credentials-cta .btn {
  margin: 0 auto;
}

/* Desktop: side-by-side pill layout */
@media (min-width: 768px) {
  .credential-item {
    flex-direction: row;
    align-items: center;
  }

  .credential-label {
    flex-shrink: 0;
    width: 180px;
    margin-bottom: 0;
    margin-right: var(--spacing-md);
  }

  .credential-text {
    flex: 1;
  }
}


/* ============================================
   Clinical Focus Section (Cards)
   ============================================ */
.section-focus h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.focus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.focus-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.focus-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-teal);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.focus-card h3 {
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-xs);
}

.focus-card p {
  color: var(--color-text-medium);
  margin-bottom: 0;
}


/* ============================================
   Clinical Experience Section (Timeline)
   ============================================ */
.section-experience h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: var(--spacing-lg) auto 0;
  padding-left: var(--spacing-md);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

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

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -29px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--color-accent-teal);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-accent-teal);
}

.timeline-content {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.timeline-content h3 {
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.timeline-date {
  color: var(--color-text-medium);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.timeline-content p:last-child {
  margin-bottom: 0;
}


/* ============================================
   For Supervisors & Hiring Managers Section
   ============================================ */
.section-supervisors {
  background-color: var(--color-bg-light-blue);
}

.section-supervisors h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-md);
}

.supervisors-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.supervisors-column h3 {
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.supervisors-column ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.supervisors-column li {
  position: relative;
  padding-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-base);
}

.supervisors-column li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent-teal);
  font-weight: bold;
}

.supervisors-cta {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--color-border);
  font-size: 1.05rem;
}

.supervisors-cta a {
  color: var(--color-primary-blue);
  font-weight: 600;
}

@media (min-width: 768px) {
  .supervisors-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
}


/* ============================================
   Therapeutic Approach Section
   ============================================ */
.section-approach h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.section-approach p:last-child {
  margin-bottom: 0;
}


/* ============================================
   Professional References Section
   ============================================ */
.section-references {
  background-color: var(--color-bg-light-blue);
}

.section-references h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
  margin-bottom: var(--spacing-md);
}

.references-list {
  max-width: var(--max-width-text);
  margin: var(--spacing-md) auto;
  padding-left: var(--spacing-md);
}

.references-list li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-base);
}

.references-list strong {
  color: var(--color-primary-blue-dark);
}

.references-note {
  margin-top: var(--spacing-md);
  font-style: italic;
  text-align: center;
  color: var(--color-text-medium);
}


/* ============================================
   Schedule Section (Calendly)
   ============================================ */
.section-schedule h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.schedule-intro {
  max-width: var(--max-width-text);
  margin: 0 auto var(--spacing-lg);
  text-align: center;
}

.calendly-container {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
}

.calendly-container iframe {
  border-radius: var(--border-radius);
  min-height: 600px;
}

.calendly-fallback {
  text-align: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.calendly-fallback a {
  font-weight: 600;
}


/* ============================================
   FAQ Section
   ============================================ */
.section-faq h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.faq-list {
  max-width: 800px;
  margin: var(--spacing-lg) auto 0;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: var(--spacing-md);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-primary-blue-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
  transition: background-color var(--transition-base);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '▼';
  font-size: 0.8rem;
  color: var(--color-accent-teal);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--spacing-sm);
}

.faq-item[open] summary::after {
  transform: rotate(-180deg);
}

.faq-item summary:hover {
  background-color: var(--color-bg-light-blue);
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-medium);
}

.faq-answer p {
  margin-bottom: var(--spacing-sm);
}

.faq-answer p:last-child {
  margin-bottom: 0;
}


/* ============================================
   Resources Section
   ============================================ */
.section-resources h2 {
  text-align: center;
  color: var(--color-primary-blue-dark);
}

.section-resources .content-text {
  text-align: center;
}

.section-resources p:last-child {
  margin-bottom: 0;
}


/* ============================================
   Footer
   ============================================ */
.site-footer {
  background-color: var(--color-primary-blue-dark);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  text-align: center;
}

.site-footer .container {
  max-width: 800px;
}

.footer-credentials {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

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

.footer-contact a {
  color: var(--color-accent-teal);
  text-decoration: underline;
}

.footer-contact a:hover {
  color: var(--color-white);
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}


/* ============================================
   Focus States (Accessibility)
   ============================================ */
a:focus,
button:focus,
summary:focus,
.btn:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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


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

  html {
    scroll-behavior: auto;
  }
}


/* ============================================
   Media Queries - Responsive Design
   ============================================ */

/* 640px - Larger phones / small tablets */
@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-md);
  }

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

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }

  .focus-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-image img {
    max-width: 350px;
  }
}

/* 768px - Tablets / Desktop nav appears */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }

  .desktop-nav {
    display: block;
  }

  .desktop-nav .nav-list {
    gap: 1.75rem;
  }

  .desktop-nav .nav-list a {
    white-space: nowrap;
  }

  .mobile-menu,
  .mobile-backdrop {
    display: none;
  }

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

  .hero {
    padding: var(--spacing-xxl) 0;
  }

  .hero-content {
    text-align: left;
  }

  .hero-tagline {
    margin-left: 0;
  }

  .hero-cta {
    justify-content: flex-start;
  }

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

  .timeline-dot {
    left: -37px;
  }
}

/* 1024px - Laptops / 3-column cards, 2-column hero */
@media (min-width: 1024px) {
  h1 {
    font-size: 3.5rem;
  }

  .hero-content {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xl);
  }

  .hero-text {
    flex: 1.5;
  }

  .hero-image {
    flex: 1;
  }

  .hero-image img {
    max-width: 400px;
  }

  .focus-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
}

/* 1440px - Large desktops */
@media (min-width: 1440px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}