/* ==========================================================================
   Dr. Andrew Jacklin Portfolio Design System & Styles
   Theme: "Ex Fluctibus Tranquillitas" (Nautical, Academic, Premium Digital)
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&display=swap');

/* CSS Variables & Tokens */
:root {
  /* Fonts */
  --font-serif: 'Playfair Display', Georgia, Cambria, "Times New Roman", Times, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-xxl: 2.25rem;
  --text-display: 3.5rem;

  /* Layout Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Common/Fixed Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-strava: #fc4c02;
  --color-justgiving: #9228fc;
  --color-bluesky: #0085ff;

  /* LIGHT THEME VARIABLES (Default) */
  --bg-primary: #f4f6f9;
  --bg-secondary: #ffffff;
  --bg-navbar: rgba(255, 255, 255, 0.85);
  
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent: #0f4c81; /* Classic Deep Sea Navy */
  --accent-light: #e8f0fe;
  --accent-glow: rgba(15, 76, 129, 0.15);
  --accent-text: #ffffff;
  
  --highlight: #b8860b; /* Dark Goldenrod */
  --highlight-light: #fefbeb;
  
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-border: rgba(203, 213, 225, 0.4);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.12);

  --hero-overlay: linear-gradient(
    180deg,
    rgba(10, 15, 25, 0.6) 0%,
    rgba(10, 15, 25, 0.85) 100%
  );
}

/* DARK THEME VARIABLES */
html[data-theme="dark"] {
  --bg-primary: #080c14; /* Abyssal Deep Blue/Black */
  --bg-secondary: #0f172a; /* Slate Dark */
  --bg-navbar: rgba(8, 12, 20, 0.85);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --accent: #38bdf8; /* Ocean Sky Blue */
  --accent-light: rgba(56, 189, 248, 0.1);
  --accent-glow: rgba(56, 189, 248, 0.25);
  --accent-text: #0f172a;
  
  --highlight: #f59e0b; /* Amber Gold */
  --highlight-light: rgba(245, 158, 11, 0.1);
  
  --card-bg: rgba(15, 23, 42, 0.65);
  --card-border: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.6);

  --hero-overlay: linear-gradient(
    180deg,
    rgba(8, 12, 20, 0.5) 0%,
    rgba(8, 12, 20, 0.95) 100%
  );
}

/* ==========================================================================
   Base resets and defaults
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

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

a:hover {
  filter: brightness(1.2);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

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

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

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

/* ==========================================================================
   Header and Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-navbar);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-link {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.logo-sub {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

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

.theme-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-slow);
}

/* Hamburger mobile menu button */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-normal);
  border-radius: var(--radius-full);
}

/* Mobile Nav Open Animation */
.mobile-nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}
.mobile-nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -7px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  background-image: var(--hero-overlay), url('../images/stormy_sea_ship.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  padding-top: 80px;
}

/* For browsers that do not support attachment: fixed perfectly or mobile scrolling */
@media (max-width: 1024px) {
  .hero-section {
    background-attachment: scroll;
  }
}

.hero-content {
  max-width: 850px;
  z-index: 2;
  padding: 0 var(--spacing-md);
  animation: fadeIn var(--transition-slow) forwards;
}

.hero-title-prefix {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: var(--spacing-xs);
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

html[data-theme="dark"] .hero-title-prefix {
  background-color: var(--accent-light);
  color: var(--accent);
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--text-display));
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-motto-wrapper {
  margin: var(--spacing-md) 0 var(--spacing-lg);
  position: relative;
  display: inline-block;
}

.hero-motto {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.25rem, 3.5vw, var(--text-xxl));
  color: #ffdd59; /* Soft Gold */
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
  font-weight: 400;
  padding: var(--spacing-xs) var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

html[data-theme="dark"] .hero-motto {
  color: var(--highlight);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, var(--text-md));
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  max-width: 650px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   Buttons UI
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 12px 28px;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-text);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--accent);
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

html[data-theme="light"] .btn-secondary {
  background-color: rgba(15, 76, 129, 0.05);
  color: var(--accent);
  border: 1px solid rgba(15, 76, 129, 0.2);
}

html[data-theme="light"] .btn-secondary:hover {
  background-color: rgba(15, 76, 129, 0.1);
  border-color: var(--accent);
}

/* ==========================================================================
   Section Layouts & General Typography
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: var(--spacing-xs);
  display: block;
}

.section-title {
  font-size: var(--text-xxl);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent);
  border-radius: var(--radius-full);
}

.section-desc {
  color: var(--text-secondary);
  font-size: var(--text-md);
}

/* Grid helper */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

/* Card base */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

/* ==========================================================================
   About Me Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-intro-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.about-bio-text {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
}

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

.roles-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.role-card {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.role-card:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.role-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.role-title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 4px;
}

.role-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   Clinical & Research Section (Interactive Tabs)
   ========================================================================== */
.tabs-widget {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.tabs-headers {
  display: flex;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--card-border);
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
  outline: none;
  border-bottom: 3px solid transparent;
}

.tab-btn:hover {
  color: var(--accent);
  background-color: rgba(15, 76, 129, 0.03);
}

.tab-btn.active {
  color: var(--accent);
  background-color: var(--bg-secondary);
  border-bottom-color: var(--accent);
}

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

.tab-pane {
  display: none;
  animation: fadeIn var(--transition-normal) forwards;
}

.tab-pane.active {
  display: block;
}

.tab-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.tab-info-block h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.tab-info-block p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.tab-list-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.tab-list-items li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
}

.tab-list-items li::before {
  content: '✦';
  color: var(--accent);
  font-size: 10px;
}

/* ==========================================================================
   Ramathon 2026 Fundraiser Section (JustGiving / Strava UI)
   ========================================================================== */
.charity-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-xl);
}

.charity-main-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.charity-trust-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background-color: var(--accent-light);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
}

.charity-logo-wrapper {
  background-color: var(--color-white);
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.charity-logo-wrapper img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.charity-trust-details h3 {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 4px;
}

.charity-trust-details p {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.charity-story {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.charity-story p {
  margin-bottom: var(--spacing-sm);
}

.charity-donation-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
}

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

.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.stat-value.highlighted {
  color: var(--color-justgiving);
}

.progress-bar-container {
  height: 12px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--card-border);
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--color-justgiving) 100%);
  width: 9%; /* £90 raised of say £1000 goal, or visual minimum */
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.charity-actions-box {
  margin-top: var(--spacing-xs);
}

/* Strava Widget */
.strava-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
}

.strava-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: var(--spacing-xs);
}

.strava-logo-svg {
  fill: var(--color-strava);
}

.strava-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.strava-metric {
  text-align: center;
  padding: var(--spacing-sm) 0;
}

.strava-metric-val {
  font-size: var(--text-display);
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-strava);
  line-height: 1;
  margin-bottom: 4px;
}

.strava-metric-lbl {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.strava-history-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px dashed var(--card-border);
}

/* Supporter Quotes Slider */
.supporter-slider-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.supporter-slider-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: var(--spacing-xs);
}

.supporter-slides {
  position: relative;
  height: 110px;
}

.supporter-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.supporter-slide.active {
  opacity: 1;
  visibility: visible;
}

.supporter-message {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.supporter-meta {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.supporter-gift-aid {
  background-color: var(--accent-light);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
}

/* ==========================================================================
   Bluesky Feed & News Section
   ========================================================================== */
.bluesky-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--spacing-lg);
}

.post-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

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

.post-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.post-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--accent);
}

.post-author-info {
  display: flex;
  flex-direction: column;
}

.post-author-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.post-author-handle {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.post-platform-icon {
  color: var(--color-bluesky);
}

.post-content {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.post-content a {
  color: var(--color-bluesky);
  word-break: break-all;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
  border-top: 1px solid var(--card-border);
  padding-top: var(--spacing-sm);
}

.post-stats {
  display: flex;
  gap: var(--spacing-sm);
}

.post-stat {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--spacing-xl);
}

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

.contact-card-info {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background-color: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 2px;
}

.contact-detail-text p,
.contact-detail-text a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.social-links-row {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-circle-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-circle-btn:hover {
  background-color: var(--accent);
  color: var(--accent-text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.social-circle-btn.linkedin-btn:hover {
  background-color: #0077b5;
  border-color: #0077b5;
}
.social-circle-btn.bluesky-btn:hover {
  background-color: var(--color-bluesky);
  border-color: var(--color-bluesky);
}
.social-circle-btn.charity-btn:hover {
  background-color: var(--color-justgiving);
  border-color: var(--color-justgiving);
}

/* Contact Form */
.contact-form-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
}

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

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  background-color: var(--bg-secondary);
}

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

/* Toast alert container */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--accent);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  transform: translateY(100px);
  opacity: 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  border: 1px solid var(--card-border);
  border-left-width: 4px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success {
  border-left-color: #2ecc71;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  padding: var(--spacing-lg) 0;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-nav {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.footer-nav-link {
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--accent);
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 991px) {
  .about-grid,
  .charity-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .tab-content-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--card-border);
    flex-direction: column;
    padding: var(--spacing-xl) 0;
    gap: var(--spacing-lg);
    transition: left var(--transition-normal);
  }

  .nav-menu.open {
    left: 0;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .hero-content {
    padding-top: var(--spacing-xl);
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-nav {
    justify-content: center;
  }
}

/* ==========================================================================
   Emergency Department Queue Simulator Styles
   ========================================================================== */
.simulator-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

@media (min-width: 992px) {
  .simulator-layout {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.sim-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  outline: none;
  background: var(--card-border);
  accent-color: var(--accent);
  transition: background 0.3s;
}

.sim-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-secondary);
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s;
}

.sim-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Doctors and Patients styling */
.doctor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 700;
  border: 1px solid var(--card-border);
  transition: all 0.3s ease;
}

.doctor-badge.idle {
  background-color: var(--bg-primary);
  color: var(--text-muted);
  border-color: var(--card-border);
}

.doctor-badge.busy {
  background-color: rgba(15, 76, 129, 0.08);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(15, 76, 129, 0.15);
}

.patient-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  font-family: monospace;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  position: relative;
  animation: patientBounce 0.4s ease forwards;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.4s ease, transform 0.2s ease;
}

.patient-badge:hover {
  transform: translateY(-2px);
}

.patient-badge.wait-green {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.patient-badge.wait-amber {
  background: linear-gradient(135deg, #f1c40f, #f39c12);
}

.patient-badge.wait-red {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  animation: patientRedPulse 1.5s infinite ease-in-out;
}

@keyframes patientBounce {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes patientRedPulse {
  0% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(231, 76, 60, 0); }
  100% { box-shadow: 0 0 0 0 rgba(231, 76, 60, 0); }
}

/* Alert styles */
#nhs-alert-box.status-green {
  background-color: rgba(46, 204, 113, 0.08);
  border-left-color: #2ecc71 !important;
}
#nhs-alert-box.status-amber {
  background-color: rgba(241, 196, 15, 0.08);
  border-left-color: #f1c40f !important;
}
#nhs-alert-box.status-red {
  background-color: rgba(231, 76, 60, 0.08);
  border-left-color: #e74c3c !important;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  animation: dotPulse 1.8s infinite ease-in-out;
}

@keyframes dotPulse {
  0% { transform: scale(0.8); opacity: 0.5; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.8); opacity: 0.5; }
}