/* ===================================
   The Simple Guy - Modern Editorial Design
   With Dark Mode, Animations & Interactivity
   =================================== */

/* === Google Fonts Import === */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Source+Sans+3:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* === CSS Variables === */
:root {
  /* Light Mode Colors */
  --color-bg: #faf9f7;
  --color-bg-secondary: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #555555;
  --color-text-muted: #888888;
  --color-accent: #387ed1;
  --color-accent-hover: #2968b8;
  --color-accent-light: rgba(56, 126, 209, 0.1);
  --color-border: #e8e6e3;
  --color-card-bg: #ffffff;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-hover: rgba(0, 0, 0, 0.12);
  --color-gradient-start: #faf9f7;
  --color-gradient-end: #f0eeeb;
  --color-code-bg: #f5f4f2;
  --color-success: #2d7a4f;
  --color-warning: #387ed1;
  
  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Layout */
  --max-width: 800px;
  --max-width-wide: 1200px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Header height for scroll offset */
  --header-height: 70px;
}

/* === Dark Mode Variables === */
[data-theme="dark"] {
  --color-bg: #0f0f0f;
  --color-bg-secondary: #1a1a1a;
  --color-text: #f5f5f5;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #777777;
  --color-accent: #5ca3f5;
  --color-accent-hover: #7ab5f7;
  --color-accent-light: rgba(92, 163, 245, 0.15);
  --color-border: #2a2a2a;
  --color-card-bg: #1a1a1a;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-hover: rgba(0, 0, 0, 0.5);
  --color-gradient-start: #0f0f0f;
  --color-gradient-end: #1a1a1a;
  --color-code-bg: #252525;
  --color-success: #4ade80;
  --color-warning: #5ca3f5;
}

/* === Base Reset === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  background: linear-gradient(180deg, var(--color-gradient-start) 0%, var(--color-gradient-end) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* === Scrollbar Styling === */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
  border: 2px solid var(--color-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* === Selection === */
::selection {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 { 
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 { 
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: var(--space-lg);
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

h3 { 
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

h4 {
  font-size: 1.25rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

p {
  margin-bottom: var(--space-md);
  max-width: 70ch;
}

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

em {
  font-style: italic;
}

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

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

/* Content links with underline animation */
main a:not(.nav-link):not(.card-link):not(.btn) {
  position: relative;
  display: inline;
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size var(--transition-base);
}

main a:not(.nav-link):not(.card-link):not(.btn):hover {
  background-size: 100% 2px;
}

/* === Header === */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
  padding: var(--space-sm) var(--space-lg);
}

header.scrolled {
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 30px var(--color-shadow);
}

[data-theme="dark"] header.scrolled {
  background: rgba(15, 15, 15, 0.95);
}

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

.site-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
  transition: transform var(--transition-bounce);
}

.site-title:hover {
  transform: scale(1.02);
  color: var(--color-text);
}

.site-title span {
  color: var(--color-accent);
}

/* === Navigation === */
nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

nav a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  position: relative;
}

nav a:hover {
  color: var(--color-text);
  background: var(--color-accent-light);
}

nav a[aria-current="page"] {
  color: var(--color-accent);
  background: var(--color-accent-light);
  font-weight: 600;
}

/* Theme Toggle Button */
.theme-toggle {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--color-accent-light);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  margin-left: var(--space-sm);
}

.theme-toggle:hover {
  background: var(--color-accent);
  transform: rotate(15deg);
}

.theme-toggle:hover svg {
  color: var(--color-bg);
}

.theme-toggle svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }

[data-theme="dark"] .theme-toggle .sun-icon { display: block; }
[data-theme="dark"] .theme-toggle .moon-icon { display: none; }

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Main Content === */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--header-height) + var(--space-2xl)) var(--space-md) var(--space-3xl);
}

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

/* === Section Styling === */
section {
  margin-bottom: var(--space-3xl);
}

/* === Fade In Animation === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animations */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 100ms; }
.fade-in:nth-child(3) { transition-delay: 200ms; }
.fade-in:nth-child(4) { transition-delay: 300ms; }
.fade-in:nth-child(5) { transition-delay: 400ms; }

/* === Hero Section === */
.hero {
  text-align: center;
  padding: var(--space-3xl) 0;
  margin-bottom: var(--space-2xl);
}

.hero h1 {
  margin-bottom: var(--space-md);
  animation: slideUp 0.8s ease forwards;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  animation: slideUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.hero .tagline {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--color-accent);
  animation: slideUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Cards === */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px var(--color-shadow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-shadow-hover);
  border-color: var(--color-accent);
}

.card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card h3 .icon {
  font-size: 1.5rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 500;
  margin-top: var(--space-sm);
}

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

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

/* === Grid Layouts === */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

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

/* === Core Values (About Page) === */
.core-values {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.core-box {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-base);
}

.core-box:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px var(--color-shadow);
}

.core-box summary {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-base);
  user-select: none;
}

.core-box summary::-webkit-details-marker { display: none; }

.core-box summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-light);
}

.core-box[open] summary::after {
  transform: rotate(45deg);
}

.core-box summary:hover {
  background: var(--color-accent-light);
}

.core-box[open] summary {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-accent-light);
}

.core-box .content {
  padding: var(--space-lg);
  color: var(--color-text-secondary);
  animation: expandIn 0.3s ease;
}

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

/* === Blog Boxes === */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.blog-box {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-base);
}

.blog-box:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px var(--color-shadow);
}

.blog-box summary {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-base);
  user-select: none;
}

.blog-box summary::-webkit-details-marker { display: none; }

.blog-box summary::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-right: var(--space-md);
  flex-shrink: 0;
}

.blog-box summary::after {
  content: '↓';
  font-size: 1rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-base);
  margin-left: auto;
}

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

.blog-box summary:hover {
  background: var(--color-accent-light);
}

.blog-box[open] summary {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-accent-light);
}

.blog-content {
  padding: var(--space-lg);
  color: var(--color-text-secondary);
  animation: expandIn 0.3s ease;
}

.blog-content h4 {
  margin-top: var(--space-md);
}

.blog-content h4:first-child {
  margin-top: 0;
}

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

.blog-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

/* === Book Cards === */
.book-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.book-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-shadow-hover);
  border-color: var(--color-accent);
}

.book-card img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 4px 15px var(--color-shadow);
  transition: transform var(--transition-base);
}

.book-card:hover img {
  transform: scale(1.02);
}

.book-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.book-info h4 {
  font-family: var(--font-body);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.book-info p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.book-info p i {
  color: var(--color-accent);
}

/* === Buy Buttons === */
.buy-links {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.buy-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
  width: 100%;
  margin-bottom: 2px;
}

.buy-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.buy-btn.amazon {
  background: #232f3e;
  color: #ff9900;
  border-color: #ff9900;
}

.buy-btn.amazon:hover {
  background: #ff9900;
  color: #232f3e;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
}

.buy-btn.flipkart {
  background: #2874f0;
  color: #fff;
}

.buy-btn.flipkart:hover {
  background: #1a5dc8;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(40, 116, 240, 0.3);
}

/* === Affiliate Disclosure === */
.affiliate-disclosure {
  background: var(--color-card-bg);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xl) auto;
  max-width: 900px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.affiliate-disclosure p {
  margin: 0;
}

/* === Recommendation Section (Cross-sell) === */
.recommendation-section {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.recommendation-section h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
}

.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.recommendation-card {
  display: flex;
  gap: var(--space-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  transition: all var(--transition-base);
}

.recommendation-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--color-shadow);
}

.recommendation-card img {
  width: 60px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
}

.recommendation-card .rec-info h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.recommendation-card .rec-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

/* === Supplement Cards === */
.supplement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.supplement-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.supplement-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 24px var(--color-shadow);
}

.supplement-card h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.supplement-card .supplement-type {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.supplement-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

/* === Finance Section === */
.finance-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.finance-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-base);
}

.finance-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px var(--color-shadow);
}

.finance-card-header {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent-light);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-base);
}

.finance-card-header:hover {
  background: var(--color-accent);
}

.finance-card-header:hover h3,
.finance-card-header:hover .toggle-icon {
  color: var(--color-bg);
}

.finance-card-header h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: color var(--transition-base);
}

.finance-card-header .icon {
  font-size: 1.3rem;
}

.toggle-icon {
  font-size: 1.2rem;
  color: var(--color-accent);
  transition: transform var(--transition-base), color var(--transition-base);
}

.finance-card.open .toggle-icon {
  transform: rotate(180deg);
}

.finance-card-body {
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.finance-card.open .finance-card-body {
  padding: var(--space-lg);
  max-height: 2000px;
}

.finance-card-body p {
  color: var(--color-text-secondary);
}

.finance-card-body ul {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

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

.finance-card-body li b {
  color: var(--color-text);
}

.tip-box {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-md);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  margin-top: var(--space-md);
}

.tip-box p {
  margin: 0;
  color: var(--color-text);
}

/* === Workout Section === */
.workout-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.workout-day {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.workout-day-header {
  padding: var(--space-lg);
  background: var(--color-accent-light);
  border-bottom: 1px solid var(--color-border);
}

.workout-day-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.workout-day-header h3 .emoji {
  font-size: 1.5rem;
}

.workout-day-header p {
  margin: var(--space-xs) 0 0 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.exercise-list {
  padding: var(--space-md);
}

.exercise-box {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.exercise-box:last-child {
  margin-bottom: 0;
}

.exercise-box:hover {
  border-color: var(--color-accent);
}

.exercise-box summary {
  padding: var(--space-md);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-base);
}

.exercise-box summary::-webkit-details-marker { display: none; }

.exercise-box summary::before {
  content: '💪';
  font-size: 1rem;
}

.exercise-box summary::after {
  content: '+';
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--color-accent);
  transition: transform var(--transition-base);
}

.exercise-box[open] summary::after {
  transform: rotate(45deg);
}

.exercise-box summary:hover {
  background: var(--color-accent-light);
}

.exercise-box[open] summary {
  background: var(--color-accent-light);
  border-bottom: 1px solid var(--color-border);
}

.exercise-content {
  padding: var(--space-md);
  animation: expandIn 0.3s ease;
}

.exercise-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.exercise-content img,
.exercise-content iframe {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-sm);
  margin-top: var(--space-md);
}

.exercise-content iframe {
  aspect-ratio: 16/9;
  height: auto;
}

.workout-notes {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.workout-notes h4 {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.workout-notes ul {
  margin: 0;
  padding-left: var(--space-lg);
}

.workout-notes li {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

/* Diet Card */
.diet-card {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-card-bg) 100%);
  border: 2px solid var(--color-accent);
}

.diet-card h3 {
  color: var(--color-accent);
}

/* === Contact Form === */
.contact-section {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

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

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-light);
  border-radius: var(--border-radius-sm);
  color: var(--color-text);
  font-weight: 500;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-2px);
}

/* === Footer === */
footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

footer p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
}

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

/* === Progress Bar (Reading Progress) === */
.progress-bar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  z-index: 999;
  transition: width 0.1s linear;
}

/* === Back to Top Button === */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px var(--color-shadow);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--color-shadow-hover);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* === Lists === */
ul, ol {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
  line-height: 1.7;
}

/* === Responsive Design === */
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .book-card {
    grid-template-columns: 140px 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  body {
    font-size: 1rem;
  }
  
  header {
    padding: var(--space-sm);
  }
  
  .site-title {
    font-size: 1.25rem;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 10px 30px var(--color-shadow);
  }
  
  nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  nav a {
    padding: var(--space-md);
    text-align: center;
    border-radius: var(--border-radius-sm);
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .book-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .book-card img {
    max-width: 200px;
    margin: 0 auto;
  }
  
  main {
    padding: calc(var(--header-height) + var(--space-lg)) var(--space-sm) var(--space-2xl);
  }
  
  .hero {
    padding: var(--space-xl) 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .tagline {
    font-size: 1.2rem;
  }
  
  .card, .core-box, .blog-box, .finance-card {
    border-radius: var(--border-radius-sm);
  }
  
  .social-links {
    flex-direction: column;
    align-items: center;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .book-card img {
    max-width: 150px;
  }
  
  .core-box summary,
  .blog-box summary {
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
  }
  
  .finance-card-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .finance-card-header h3 {
    font-size: 1rem;
  }
}

/* === Print Styles === */
@media print {
  header, footer, .theme-toggle, .back-to-top, .progress-bar {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  main {
    padding-top: 0;
  }
  
  .card, .book-card, .blog-box, .core-box {
    break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }
}

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-sm);
  z-index: 10000;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: var(--space-sm);
}


/* ================================================
   ADDITIONAL CSS FOR PROFILE PAGE - VERSION 3
   Add this code to the END of your style.css file
   (After line 1369)
   
   CONSISTENT FORMATTING THROUGHOUT
   ================================================ */

/* === Profile List (Used for ALL sections) === */
.profile-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.profile-box {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: all var(--transition-base);
}

.profile-box:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px var(--color-shadow);
}

.profile-box summary {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  list-style: none;
  transition: all var(--transition-base);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.profile-box summary::-webkit-details-marker { 
  display: none; 
}

.profile-box summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-light);
  margin-left: var(--space-md);
}

.profile-box[open] summary::after {
  content: '−';
}

.profile-box summary:hover {
  background: var(--color-accent-light);
}

.profile-box[open] summary {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-accent-light);
}

/* === Profile Summary (Logo + Info) === */
.profile-summary {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  min-width: 0;
}

/* Logo Container - Supports both images and placeholder text */
.profile-logo {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.profile-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}

.logo-placeholder {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Profile Info */
.profile-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.profile-info strong {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.3;
}

.profile-company {
  font-size: 0.9rem;
  color: var(--color-accent);
  font-weight: 500;
}

.profile-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* === Profile Content (Expanded) === */
.profile-content {
  padding: var(--space-lg);
  color: var(--color-text-secondary);
  animation: expandIn 0.3s ease;
}

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

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

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

.profile-content h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: var(--space-md) 0 var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.profile-content h4:first-child {
  margin-top: 0;
}

.profile-content ul {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-lg);
}

.profile-content li {
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.profile-content ul:last-child {
  margin-bottom: 0;
}

/* === Skills Section === */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.skill-category {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
}

.skill-category h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.skill-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-base);
}

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

/* === Interests Section === */
.interests-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.interest-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 16px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 25px;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.interest-tag:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

/* === Mobile Responsive === */
@media (max-width: 768px) {
  .profile-box summary {
    padding: var(--space-sm) var(--space-md);
  }
  
  .profile-logo {
    width: 40px;
    height: 40px;
  }
  
  .logo-placeholder {
    font-size: 1rem;
  }
  
  .profile-info strong {
    font-size: 0.95rem;
  }
  
  .profile-company {
    font-size: 0.85rem;
  }
  
  .profile-meta {
    font-size: 0.8rem;
  }
  
  .profile-box summary::after {
    width: 26px;
    height: 26px;
    font-size: 1.2rem;
  }
  
  .profile-content {
    padding: var(--space-md);
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .profile-summary {
    flex-wrap: wrap;
  }
  
  .profile-logo {
    width: 36px;
    height: 36px;
  }
  
  .interests-container {
    gap: var(--space-xs);
  }
  
  .interest-tag {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
}