/* Unified Styles (Merged from modern.css and landing.css) */

:root {
  /* Dark Theme Palette - From Image & Refinements */
  --primary-color: #6366f1; /* Accent blue, good for buttons/links */
  --primary-dark: #4f46e5; /* Darker accent */
  --secondary-color: #10b981; /* Accent green (can be used sparingly) */
  --dark-bg: #111827; /* Main dark background */
  --darker-bg: #0f172a; /* Slightly darker variant */
  --card-bg: #181818; /* Card background from image */
  --tag-bg: #282828; /* Tag background from image */
  --light-text: #f9fafb; /* Primary light text */
  --muted-text: #b3b3b3; /* Muted text color (from image) */
  --border-color: rgba(255, 255, 255, 0.1); /* Border color for dark */

  --border-radius: 8px;
  --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;

  /* Accent Colors (Keep for potential use) */
  --accent-blue: #4e73df;
  --accent-purple: #6f42c1;
  --accent-gold: #e9c46a;

  /* Typography */
  --heading-font: "Inter", "Segoe UI", sans-serif;
  --body-font: "Inter", "Segoe UI", sans-serif;
  --mono-font: "Fira Code", "Consolas", monospace;

  /* Variables from landing.css for compatibility (adjust if needed) */
  --bg-color: var(--dark-bg); /* Map to new variables */
  --bg-color-alt: var(--darker-bg);
  --primary-color-10: rgba(99, 102, 241, 0.1);
  --secondary-color-10: rgba(16, 185, 129, 0.1);
  --primary-color-25: rgba(99, 102, 241, 0.25);
  --secondary-color-25: rgba(16, 185, 129, 0.25);
  --primary-color-50: rgba(99, 102, 241, 0.5);
  --secondary-color-50: rgba(16, 185, 129, 0.5);
  --text-color: var(--light-text);
  --text-color-muted: var(--muted-text);
}

/* Reset (from modern.css) */
html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
img,
ol,
ul,
li,
fieldset,
form,
label,
article,
aside,
figure,
footer,
header,
nav,
section {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* Base (from modern.css) */
html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  font-family: var(--body-font);
  background-color: var(--dark-bg);
  color: var(--light-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Typography (Combined & Refined) */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--heading-font);
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--light-text); /* White headings */
  letter-spacing: 0.01em;
}

h1 {
  font-size: 3.5rem; /* Slightly adjusted */
  margin-bottom: 1.5rem;
  font-weight: 800;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--muted-text);
}

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

a:hover {
  color: var(--primary-dark);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Wrapper */
#wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
}

/* New Background Elements Container */
#background-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh; /* Explicitly set to viewport height */
  overflow: hidden;
  z-index: 0; /* Behind #intro */
  pointer-events: none; /* Don't interfere with clicks */
}

/* Apply radial gradients to the background container */
#background-elements::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at top right,
      rgba(99, 102, 241, 0.1),
      transparent 60%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(16, 185, 129, 0.1),
      transparent 60%
    );
  z-index: -1; /* Behind other elements in this container */
  pointer-events: none;
}

/* Update selectors for moved elements */
#background-elements .data-particle,
#background-elements .data-grid,
#background-elements .chart-icon,
#background-elements .data-ring {
  position: absolute; /* Ensure they are positioned within the container */
  z-index: 0; /* Keep behind actual content */
  pointer-events: none;
}

/* Fade-in Animation */
.fade-in,
.fade-in-up {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

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

/* Intro Section (Combined & Refined) */
#intro {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center; /* Center vertically */
  align-items: center; /* Center horizontally */
  text-align: center;
  padding: 3rem 2rem; /* Reduced vertical padding */
  background: transparent; /* Make intro background see-through */
  overflow: visible; /* Allow potential hover effects to overflow if needed */
  z-index: 1; /* Ensure intro establishes stacking context above background */
}

/* Remove intro::before styles as they were moved */
/* #intro::before { ... } */

#intro * {
  position: relative;
  z-index: 2; /* Ensure content is above ::before and #background-elements */
}

/* Floating elements (Now inside #background-elements) */
/* Note: Their positioning (top/left/right/bottom %) is relative to #background-elements */
/*
.floating-element {
  position: absolute;
  z-index: 0; 
  opacity: 0.15;
  filter: blur(5px);
  animation-duration: 20s;
  animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
  pointer-events: none;
}

.float-1 { top: 15%; left: 10%; width: 120px; height: 120px; background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); border-radius: 40% 60% 70% 30% / 40% 50% 50% 60%; animation-name: float-bob-1; animation-duration: 18s; }
.float-2 { top: 60%; right: 15%; width: 180px; height: 180px; background: linear-gradient(135deg, var(--accent-gold), var(--secondary-color)); border-radius: 60% 40% 30% 70% / 50% 60% 40% 50%; transform: rotate(15deg); animation-name: float-bob-2; animation-duration: 22s;}
.float-3 { bottom: 15%; left: 20%; width: 150px; height: 150px; background: linear-gradient(135deg, var(--primary-color), var(--accent-purple)); border-radius: 50%; animation-name: float-bob-3; animation-duration: 25s;}
.float-4 { top: 25%; right: 20%; width: 80px; height: 80px; background: linear-gradient(135deg, var(--secondary-color), var(--accent-blue)); border-radius: 30% 70% 60% 40% / 50% 40% 60% 50%; animation-name: float-bob-4; animation-duration: 16s;}
.float-5 { bottom: 30%; right: 10%; width: 100px; height: 100px; background: linear-gradient(135deg, var(--accent-purple), var(--primary-dark)); border-radius: 70% 30% 40% 60% / 60% 50% 50% 40%; animation-name: float-bob-5; animation-duration: 20s;}
*/

/* Remove Floating Keyframes */
/*
@keyframes float-bob-1 { 0% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-25px) rotate(8deg); } 100% { transform: translateY(0) rotate(0deg); } }
@keyframes float-bob-2 { 0% { transform: translateY(0) rotate(15deg); } 50% { transform: translateY(30px) rotate(25deg); } 100% { transform: translateY(0) rotate(15deg); } }
@keyframes float-bob-3 { 0% { transform: translateY(0) scale(1); } 50% { transform: translateY(-20px) scale(1.05); } 100% { transform: translateY(0) scale(1); } }
@keyframes float-bob-4 { 0% { transform: translateY(0) rotate(0); } 50% { transform: translateY(20px) rotate(-12deg); } 100% { transform: translateY(0) rotate(0); } }
@keyframes float-bob-5 { 0% { transform: translateY(0) rotate(0) scale(1); border-radius: 70% 30% 40% 60% / 60% 50% 50% 40%; } 50% { transform: translateY(-15px) rotate(15deg) scale(1.03); border-radius: 40% 60% 70% 30% / 50% 60% 40% 50%; } 100% { transform: translateY(0) rotate(0) scale(1); border-radius: 70% 30% 40% 60% / 60% 50% 50% 40%; } }
*/

/* Intro heading style */
#intro h1 {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  line-height: 1.1;
  background: linear-gradient(to right, var(--light-text), var(--muted-text));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#intro h1 span {
  display: block;
  font-size: 0.7em; /* Smaller subtitle */
  font-weight: 600;
  color: var(--muted-text); /* Use muted text color */
  margin-top: 0.5rem;
  -webkit-background-clip: initial; /* Reset clipping */
  -webkit-text-fill-color: initial; /* Reset fill color */
  background: none; /* Remove gradient */
}

#intro p {
  font-size: 1.2rem;
  max-width: 38rem;
  margin: 0 auto 2rem;
  color: var(--muted-text);
}

#intro p a {
  color: var(--primary-color);
  font-weight: 600;
  border-bottom: 1px dotted var(--primary-color);
}
#intro p a:hover {
  color: var(--primary-dark);
  border-bottom-style: solid;
}

/* Skill Badges (Unified) */
.skill-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: 1.5rem 0 2.5rem; /* Added more bottom margin */
}

.skill-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--light-text);
  transition: var(--transition);
}

.skill-badge:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

/* Stats Container */
.stats-container {
  display: flex;
  justify-content: center; /* Center items */
  text-align: center;
  margin: 2.5rem 0;
  flex-wrap: wrap;
  gap: 1.5rem; /* Add gap */
  margin-bottom: 1.5rem; /* Add margin below stats */
}

.stat-item {
  padding: 1.5rem; /* Increase padding */
  margin: 0; /* Remove margin, use gap */
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 140px; /* Increase min-width */
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--light-text), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem; /* Reduced font size */
  color: var(--muted-text);
  text-transform: uppercase;
  letter-spacing: 0.04em; /* Slightly reduced letter spacing */
  line-height: 1.2; /* Added line-height for potential wrapping */
  word-wrap: break-word; /* Help break long words if necessary */
}

/* Styles for the Projects button within the intro */
#intro .actions {
  padding: 0;
  margin: 1.6rem 0 0; /* Set default (desktop) margin-top */
  list-style: none;
  /* Ensure it's centered if not already */
  display: flex;
  justify-content: center;
}

#intro .actions .button {
  /* Modernized text button style - Styles moved back here */
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  color: var(--light-text);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: auto;
  height: auto;
  line-height: normal;
  padding: 0.8rem 2.5rem;
  border-radius: 999px; /* Pill shape */
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  animation: none;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

/* Remove styling for the no-longer-present icon */
/*
#intro .actions .button .fa-arrow-down {
  margin-left: 0.75em;
  font-size: 1em;
  vertical-align: middle;
}
*/

#intro .actions .button .label {
  display: inline;
}

#intro .actions .button:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Wrapper for Nav */
.intro-nav-wrapper {
  display: flex; /* Keep flex */
  flex-direction: column; /* Keep column */
  align-items: center; /* Keep center */
  /* gap: 1.5rem; // No gap needed if only nav inside */
  margin-top: 0; /* Remove negative margin */
  margin-bottom: 2rem; /* Keep space before #main */
  position: relative; /* Keep relative */
  z-index: auto; /* Reset z-index */
  padding: 0 1.5rem; /* Keep side padding */
}

/* Remove styles previously targeting the button within the wrapper */
/* .intro-nav-wrapper .actions { ... } */
/* .intro-nav-wrapper .actions .button { ... } */
/* .intro-nav-wrapper .actions .button:hover { ... } */

/* Nav styles remain adjusted for wrapper */
#nav {
  background: var(--darker-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  /* position: sticky; // REMOVED */
  /* top: 0; // REMOVED */
  z-index: auto; /* Reset z-index */
  padding: 0;
  transition: var(--transition);
  width: 100%; /* Nav takes full width of wrapper */
  max-width: 1100px; /* Limit nav width itself */
  margin: 0 auto; /* Center nav within wrapper */
  border-radius: 8px; /* Add slight rounding */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); /* Subtle shadow */
}

#nav > .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  /* max-width: 1100px; // Handled by #nav now */
  /* margin: 0 auto; // Handled by #nav now */
  padding: 0.6rem 1.5rem 0.4rem;
  position: static;
}

#nav ul {
  display: flex;
  align-items: center; /* Align items vertically */
  list-style: none;
  margin: 0;
  padding: 0;
}

#nav ul.links {
  gap: 0.75rem;
  /* No specific centering needed here, space-between handles placement */
}

#nav ul.links li {
  margin: 0;
  display: flex;
}

#nav ul.links li a {
  display: flex;
  align-items: center;
  position: relative;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.7rem 1.5rem; /* Increased padding */
  transition: var(--transition);
  color: var(--muted-text);
  border: none;
  background: none;
  border-radius: 6px;
  font-size: 1rem;
}

/* Remove dot indicator */
#nav ul.links li.active a::after {
  display: none;
}

#nav ul.links li a:hover,
#nav ul.links li a:focus {
  color: var(--light-text);
  background: rgba(255, 255, 255, 0.05);
}

/* Active state - Light background like image 2 */
#nav ul.links li.active a {
  color: #111827; /* Dark text */
  background-color: #f8f9fa; /* Light background (off-white) */
  font-weight: 600;
  box-shadow: none; /* Remove previous shadow */
}

#nav ul.icons {
  padding: 0;
  gap: 0.75rem;
  position: static; /* Remove absolute positioning */
}

#nav ul.icons li {
  margin: 0; /* Remove margin, use gap */
  display: flex;
}

#nav ul.icons li a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem; /* Adjust padding for icons */
  color: var(--muted-text); /* Initial color */
  transition: var(--transition);
  font-size: 1.1rem; /* Icon size */
  background: none;
  border: none;
  border-radius: 6px;
  line-height: 1; /* Ensure line height doesn't interfere */
}

/* Explicitly style the Font Awesome icon pseudo-element */
#nav ul.icons li a .icon.brands::before {
  display: inline-block; /* Ensure it's displayed */
  font-family: "Font Awesome 5 Brands"; /* Ensure correct font */
  font-weight: 400; /* Standard weight for brands */
  color: var(--light-text); /* Make icons clearly visible (white) */
  /* font-size: inherit; */ /* Inherit size from parent <a> */
  line-height: inherit; /* Inherit line height */
  vertical-align: middle; /* Align vertically */
}

/* Hide the text label for icons */
#nav ul.icons li a .label {
  display: none;
}

#nav ul.icons li a:hover {
  color: var(--primary-color); /* Change color on hover */
  background: rgba(255, 255, 255, 0.05);
}

/* Ensure hover state also applies to the icon color if needed */
#nav ul.icons li a:hover .icon.brands::before {
  color: var(--primary-color); /* Match hover color */
}

/* Main Content Area - Adjust top margin */
#main {
  padding: 3rem 2.5rem; /* Added top/bottom padding */
  background-color: #ffffff; /* White background */
  max-width: 1100px;
  margin: 0 auto 3rem; /* Set top margin to 0 */
  border-radius: 8px; /* Consistent radius */
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 5;
}

/* Headings within #main (but outside cards) */
#main > h2, /* Target direct h2 if any */
#main > section > header h2,
#main h2:not(.post header h2):not(.posts header h2) {
  color: #1a202c;
  border-bottom: 1px solid #e5e7eb; /* Lighter border */
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
  text-transform: uppercase;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

/* Paragraphs within #main (but outside cards) */
#main > p,
#main p:not(.post p):not(.posts p) {
  color: #374151;
  font-size: 1rem;
  line-height: 1.7;
  max-width: 45em; /* Limit width for readability on white */
  margin-left: auto; /* Center if needed, depends on container */
  margin-right: auto;
}

/* Links within #main (but outside cards) */
#main > a,
#main a:not(.post a):not(.posts a):not(.button) {
  color: #4f46e5; /* Use primary dark for links on white */
  font-weight: 500;
}
#main a:not(.post a):not(.posts a):not(.button):hover {
  color: #3730a3; /* Even darker */
  text-decoration: underline;
}

/* Style code block inside #main */
#main .code-block {
  background-color: #f8f9fa; /* Light grey background */
  border: 1px solid #e5e7eb; /* Light border */
  border-radius: 6px;
  padding: 1.5rem;
  font-family: var(--mono-font);
  font-size: 0.85rem;
  line-height: 1.6;
  color: #374151; /* Default dark text color */
  overflow-x: auto; /* Add scroll if code is too wide */
}

#main .code-block span {
  color: #1a202c; /* Darker color for general code */
}

#main .code-block .comment {
  color: #6a737d; /* Grey for comments */
  font-style: italic;
}

#main .code-block .keyword {
  color: #d73a49; /* Reddish for keywords */
  font-weight: 600;
}

#main .code-block .string {
  color: #032f62; /* Blue for strings */
}

/* Featured Post - Display content directly on #main */
#main .post.featured {
  background: none; /* Remove dark background */
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  margin-bottom: 3rem; /* Adjust spacing */
  border: none;
  padding: 0; /* Remove padding */
  color: inherit; /* Inherit text color from #main */
}

/* Featured Post Header - Adjusted for white bg */
#main .post.featured header.major {
  padding: 0 0 1.5rem 0;
  border-bottom: none; /* Remove border */
  margin-bottom: 1.5rem; /* Adjust spacing */
  text-align: center; /* Center header content */
}

#main .post.featured header.major h2 {
  font-size: 2.8rem; /* Larger title */
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #111827; /* Dark heading color */
  text-transform: uppercase; /* Uppercase like image */
  border-bottom: none;
  padding-bottom: 0;
}

#main .post.featured header.major h2 a {
  color: inherit; /* Inherit dark color */
  background-image: none; /* Remove underline effect */
  padding-bottom: 0;
}
#main .post.featured header.major h2 a:hover {
  color: #4f46e5; /* Hover color */
  background-size: auto; /* Reset background size */
}

/* Featured Post Paragraph - Adjusted for white bg */
#main .post.featured p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #4b5563; /* Standard paragraph color on white */
  margin-bottom: 1.5rem;
  max-width: 50em; /* Limit width for readability */
  text-align: center; /* Center text */
  margin-left: auto;
  margin-right: auto;
}

/* Featured Post Tags - Adjusted for white bg */
#main .post.featured .tags {
  margin: 2rem 0;
  padding: 0;
  justify-content: center; /* Center tags */
}
#main .post.featured .tag {
  background: #e5e7eb; /* Light grey background */
  color: #374151; /* Dark text */
  font-size: 0.75rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-weight: 500;
  border: 1px solid transparent;
}
#main .posts {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* Force two columns */
  gap: 1rem;
  width: 100%;
  margin: 0 0 2rem 0;
}

/* Featured Post Image - Display directly on white */
#main .post.featured .image.main {
  margin: 2rem auto 0; /* Center image */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  position: relative;
  height: auto;
  opacity: 1;
  max-width: 800px; /* Limit image width */
  display: block;
}
#main .post.featured .image.main img {
  display: block;
  width: 100%;
  height: auto;
  filter: none;
  transition: transform 0.5s ease;
}
#main .post.featured:hover .image.main img {
  transform: scale(1.03);
}

/* Featured Post Actions - Center button */
#main .post.featured .actions.special {
  padding: 2.5rem 0 0 0;
  justify-content: center; /* Ensure button is centered */
  display: flex; /* Add flex display if missing */
  list-style: none; /* Ensure bullets are removed */
}

/* Featured Post Button - Adjusted for white bg */
#main .post.featured .button.large {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 8px;
  background: #111827; /* Dark button */
  color: #ffffff;
}
#main .post.featured .button.large:hover {
  background: #374151; /* Lighter dark hover */
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* --- Styling for the regular posts container --- */
#main .posts {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Two equal columns by default */
  gap: 2rem; /* Spacing between cards */
  margin-top: 3rem; /* Add space below the featured post */
}

/* --- Keep Regular Posts Dark --- */
#main .posts article {
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}
#main .posts article:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.15);
}
#main .posts article .image.fit {
  /* Style remains dark */
  margin: 0;
  height: 200px;
  position: relative;
  overflow: hidden;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}
#main .posts article .image.fit img {
  /* Style remains dark */
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.5s ease;
}
#main .posts article:hover .image.fit img {
  /* Style remains dark */
  transform: scale(1.05);
  filter: brightness(1.05);
}
#main .posts article header {
  /* Style remains dark */
  padding: 1.5rem 1.5rem 0rem;
}
#main .posts article header h2 {
  /* Style remains dark */
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
  color: var(--light-text);
  border-bottom: none;
  padding-bottom: 0;
  text-transform: none;
}
#main .posts article header h2 a {
  /* Style remains dark */
  color: var(--light-text);
  background-image: linear-gradient(
    transparent 80%,
    var(--primary-color-25) 20%
  );
  padding-bottom: 0.1rem;
  display: inline; /* Reset display if needed */
}
#main .posts article header h2 a:hover {
  /* Style remains dark */
  color: var(--light-text);
  background-size: 100% 100%;
}
#main .posts article p {
  /* Style remains dark */
  padding: 0 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--muted-text);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: none; /* Reset max-width */
  text-align: left; /* Reset text align */
}
#main .posts article .tags {
  /* Style remains dark */
  padding: 0 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-start; /* Reset justify */
}
#main .posts article .tag {
  /* Style remains dark */
  background: var(--tag-bg);
  color: var(--muted-text);
  font-size: 0.7rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
#main .posts article .tag:hover {
  /* Style remains dark */
  background: rgba(255, 255, 255, 0.15);
  color: var(--light-text);
}
#main .posts article .actions {
  /* Style remains dark */
  padding: 0 1.5rem 1.5rem;
  margin-top: auto;
  justify-content: flex-start; /* Reset justify */
  list-style: none; /* Remove list bullets */
}
#main .posts article .button {
  /* Style remains dark */
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.7rem 1.25rem;
  border-radius: 6px;
  background: var(--primary-color);
  color: #fff;
  border: none;
}
#main .posts article .button:hover {
  /* Style remains dark */
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
}

/* Footer (Unified & Refined) */
#footer {
  background: var(--darker-bg);
  color: var(--muted-text);
  padding: 4rem 1.5rem 4rem; /* Equal top/bottom padding */
  border-top: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  margin-top: 4rem;
}

/* Keep background pattern if desired, adjust z-index if needed */
#footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      circle at top left,
      rgba(99, 102, 241, 0.03) 0%,
      transparent 35%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(16, 185, 129, 0.03) 0%,
      transparent 35%
    );
  z-index: 0;
  pointer-events: none;
}

#footer * {
  position: relative;
  z-index: 1;
}

/* Horizontal Grid Layout */
#footer .split.contact {
  display: grid;
  grid-template-columns: repeat(
    auto-fit,
    minmax(220px, 1fr)
  ); /* Adjust minmax if needed */
  gap: 2rem 3rem; /* Row and Column gap */
  max-width: 1100px;
  margin: 0 auto 4rem auto; /* Center grid, increased bottom margin */
  padding: 0;
  text-align: left;
}

#footer section {
  margin-bottom: 0;
}

#footer section h3 {
  margin-bottom: 1rem;
  font-size: 0.9rem; /* Slightly smaller heading */
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
}

#footer section p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Footer Icons */
#footer .icons {
  display: flex;
  flex-direction: row; /* Explicitly set to horizontal */
  justify-content: flex-start; /* Align left on desktop */
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  gap: 0.8rem; /* Slightly reduced gap */
  flex-wrap: wrap; /* Allow wrapping if needed on very narrow views */
}
#footer .icons li a {
  width: 40px; /* Back to slightly smaller icons */
  height: 40px;
  border-radius: 50%; /* Keep circular */
  background-color: rgba(255, 255, 255, 0.07);
}
#footer .icons li a i.fab {
  font-size: 1.1rem; /* Adjust icon size */
}
#footer .icons li a:hover {
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4); /* Adjusted glow */
}

/* Copyright */
#copyright {
  text-align: center;
  padding: 2rem 0 1.5rem; /* Added 1.5rem bottom padding */
  margin: 0 auto; /* Centered */
  border-top: 1px solid var(--border-color);
  color: rgba(255, 255, 255, 0.5); /* Slightly brighter */
  width: 100%; /* Ensure it spans width for border */
  max-width: 1100px; /* Match content width */
  position: relative; /* Keep relative positioning */
}
#copyright ul {
  display: flex;
  justify-content: center;
  list-style: none; /* Remove list bullets */
  flex-wrap: wrap;
  padding: 0;
  margin: 0;
  gap: 0 1.5rem;
  font-size: 0.8rem; /* Slightly smaller */
}

/* Responsive adjustments */
@media screen and (max-width: 736px) {
  #footer {
    padding: 3rem 1rem 3rem; /* Adjust mobile padding */
  }
  #footer .split.contact {
    /* Stays as vertical flex stack */
    gap: 2.5rem;
    margin-bottom: 3rem;
  }
  #footer section h3 {
    font-size: 1rem; /* Slightly larger on mobile */
  }
  #footer .icons {
    justify-content: center;
  }
  #copyright {
    padding: 1.5rem 0 1.5rem; /* Added bottom padding */
  }
  #intro .actions {
    margin-top: -0.5rem; /* Negative margin-top for mobile (moves it further up) */
    margin-bottom: 1.5rem; /* Keep space below button on mobile */
  }
  .intro-nav-wrapper {
    margin-top: -2rem; /* Adjust overlap for mobile */
    padding: 0 1rem;
  }
}

/* Scroll to top button (from landing.css) */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 45px;
  height: 45px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 99;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}
.scroll-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.scroll-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

/* Animations (Combined) */
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animate-slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s ease forwards;
}

/* Animation delay classes */
.delay-1 {
  animation-delay: 0.1s;
}
.delay-2 {
  animation-delay: 0.2s;
}
.delay-3 {
  animation-delay: 0.3s;
}
.delay-4 {
  animation-delay: 0.4s;
}
.delay-5 {
  animation-delay: 0.5s;
}

/* Reveal animations when scrolling */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section transitions (from index.html style) */
.section-transition {
  transition: opacity 0.5s ease, transform 0.5s ease;
}
/* (JS handles the opacity/display toggling) */

/* Improved Focus States */
a:focus,
button:focus,
.button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: none; /* Remove previous box-shadow focus */
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Responsive */
@media screen and (max-width: 980px) {
  h1 {
    font-size: 3rem;
  }
  h2 {
    font-size: 2rem;
  }
  #intro h1 {
    font-size: 3.5rem;
  }

  #nav > .inner {
    padding: 0 1rem;
  }
  #nav ul.links li a {
    padding: 0.75rem 1rem;
  }
  #main {
    padding: 3rem 1rem;
  }
  .posts {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  .post.featured {
    padding: 2rem;
  }
  .post.featured header.major h2 {
    font-size: 2rem;
  }
  #footer .split.contact {
    gap: 2rem;
  }

  /* Adjust grid for medium screens if needed, 2 columns might still fit */
  #main .posts {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem; /* Slightly reduce gap */
  }
}

@media screen and (max-width: 736px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  #intro h1 {
    font-size: 3rem;
  }
  #intro p {
    font-size: 1.1rem;
  }

  #nav {
    position: relative; /* Allow content to push down */
  }
  #nav > .inner {
    padding: 0.6rem 1rem 0.4rem; /* Increased mobile top padding */
    flex-wrap: wrap;
    justify-content: center; /* Keep centered layout for mobile */
    position: static; /* Ensure static positioning */
  }
  #nav ul.links {
    order: 1;
    margin-bottom: 0.5rem;
    width: 100%;
    justify-content: center;
    gap: 0.5rem;
  }
  #nav ul.icons {
    display: none; /* Hide icons on mobile */
    /* order: 2; */
    /* margin-top: 0; */
    /* width: 100%; */
    /* justify-content: center; */
    /* gap: 1rem; */
    /* position: static; */
    /* transform: none; */
    /* margin-bottom: 0.5rem; */
  }
  #nav ul.links li a {
    padding: 0.6rem 1.2rem; /* Adjust padding for mobile */
    font-size: 0.95rem; /* Adjust font size for mobile */
  }

  .posts {
    grid-template-columns: 1fr;
  }
  .posts article header,
  .posts article p,
  .posts article .tags,
  .posts article .actions {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .posts article header {
    padding-top: 1.25rem;
  }
  .posts article header h2 {
    font-size: 1.4rem;
  }

  .post.featured {
    padding: 1.5rem;
  }
  .post.featured header.major {
    padding: 0 0 1rem 0;
    margin-bottom: 1.5rem;
  }
  .post.featured header.major h2 {
    font-size: 1.8rem;
  }
  .post.featured p {
    font-size: 1rem;
    max-width: 100%;
  }
  .post.featured .tags,
  .post.featured .actions.special {
    padding-left: 0;
    padding-right: 0;
  }

  #footer {
    padding: 3rem 1rem 1.5rem;
  }
  #footer .split.contact {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  #footer section {
    text-align: center;
  }
  #footer .icons {
    justify-content: center;
  }

  /* Stack posts in one column on small screens */
  #main .posts {
    grid-template-columns: 1fr;
    gap: 1.5rem; /* Keep consistent gap */
  }

  /* Equal width stat items on mobile */
  .stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 equal columns */
    gap: 1rem; /* Adjust gap as needed */
    justify-content: center; /* Center grid items if they don't fill width */
    width: 100%; /* Ensure container takes full width */
    max-width: 450px; /* Optional: Max width for the container */
    margin: 2.5rem auto; /* Center container */
  }

  .stat-item {
    min-width: initial; /* Remove min-width */
    padding: 1rem; /* Adjust padding */
    /* width: 100%; Ensures items fill grid cells */
  }

  .intro-nav-wrapper {
    margin-top: -2rem; /* Adjust overlap for mobile */
    gap: 1rem; /* Reduce gap */
    padding: 0 1rem;
  }

  #nav {
    position: relative; /* Set position relative on mobile */
    width: 100%; /* Ensure full width */
    border-radius: 6px; /* Adjust rounding */
  }

  #nav > .inner {
    padding: 0.6rem 1rem 0.4rem;
  }
}

@media screen and (max-width: 480px) {
  h1 {
    font-size: 2.25rem;
  }
  #intro h1 {
    font-size: 2.5rem;
  }
  #intro p {
    font-size: 1rem;
  }
  .stat-item {
    min-width: 100px;
    padding: 0.8rem;
  }
  .stat-number {
    font-size: 1.8rem;
  }

  #main {
    padding: 2rem 1rem;
  }
  .posts article .image.fit {
    height: 180px;
  }
  .posts article header h2 {
    font-size: 1.3rem;
  }
  .posts article p {
    font-size: 0.9rem;
  }

  .post.featured {
    padding: 1rem;
  }
  .post.featured header.major h2 {
    font-size: 1.6rem;
  }
  .post.featured p {
    font-size: 0.95rem;
  }

  #footer section p {
    font-size: 0.9rem;
  }
  #footer .icons li a {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }
  #copyright ul {
    gap: 0 1rem;
  }

  /* Adjust stat items grid for very small screens if needed */
  .stats-container {
    grid-template-columns: repeat(
      auto-fit,
      minmax(100px, 1fr)
    ); /* Allow wrapping */
    gap: 0.75rem;
    max-width: 100%; /* Allow full width */
  }
}

/* Cleanup Notes:
   - Removed redundant styles covered by the merge.
   - Standardized variable usage (--dark-bg, --card-bg, --light-text, etc.).
   - Ensured dark theme from the image is applied correctly to .posts and .post.featured.
   - Combined responsive queries where possible.
   - Added comments for clarity.
   - Moved floating element styles from index.html into this CSS.
*/

/* Intro Section Enhancements */

/* Data-themed animated background elements */
.data-particle {
  /* position: absolute; */ /* Position handled by parent selector now */
  border-radius: 50%;
  opacity: 0;
  /* z-index: 0; */
  /* pointer-events: none; */
  animation: fadeInOut 8s infinite ease-in-out;
}

.particle-1 {
  top: 15%;
  left: 10%;
  width: 6px;
  height: 6px;
  background: rgba(99, 102, 241, 0.5);
  animation-delay: 0s;
}
.particle-2 {
  top: 25%;
  left: 80%;
  width: 8px;
  height: 8px;
  background: rgba(16, 185, 129, 0.5);
  animation-delay: 1s;
}
.particle-3 {
  top: 65%;
  left: 35%;
  width: 5px;
  height: 5px;
  background: rgba(99, 102, 241, 0.5);
  animation-delay: 2s;
}
.particle-4 {
  top: 45%;
  left: 85%;
  width: 7px;
  height: 7px;
  background: rgba(16, 185, 129, 0.5);
  animation-delay: 3s;
}
.particle-5 {
  top: 75%;
  left: 15%;
  width: 6px;
  height: 6px;
  background: rgba(99, 102, 241, 0.5);
  animation-delay: 1.5s;
}
.particle-6 {
  top: 35%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: rgba(16, 185, 129, 0.5);
  animation-delay: 2.5s;
}

/* Subtle connecting lines */
.data-grid {
  /* position: absolute; */
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(
      circle at 10% 20%,
      rgba(99, 102, 241, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(16, 185, 129, 0.05) 0%,
      transparent 50%
    ),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  background-position: 0 0, 0 0, -0.5px -0.5px, -0.5px -0.5px;
  /* z-index: 0; */
  /* pointer-events: none; */
  opacity: 0.3;
}

/* Animated typing cursor effect for the subtitle */
#intro h1 span::after {
  content: "|";
  display: inline-block;
  opacity: 1;
  animation: blink 1.4s infinite; /* Slower blink */
  margin-left: 5px;
  font-weight: 300; /* Thinner cursor */
}

/* Chart icon animation */
.chart-icon {
  /* position: absolute; */
  width: 60px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
  opacity: 0;
  animation: fadeInSlide 1s forwards ease-out;
}

.chart-icon.bar-1 {
  top: 30%;
  left: 8%;
  animation-delay: 0.5s;
}
.chart-icon.bar-2 {
  top: 60%;
  right: 8%;
  animation-delay: 1s;
}

.chart-icon::before {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 5px;
  right: 5px;
  display: flex;
  justify-content: space-around;
}

.chart-icon.bar-1::before {
  height: 30px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 20%,
    rgba(99, 102, 241, 0.3) 20%,
    rgba(99, 102, 241, 0.3) 30%,
    transparent 30%,
    transparent 50%,
    rgba(99, 102, 241, 0.5) 50%,
    rgba(99, 102, 241, 0.5) 85%,
    transparent 85%
  );
}

.chart-icon.bar-2::before {
  height: 30px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 10%,
    rgba(16, 185, 129, 0.3) 10%,
    rgba(16, 185, 129, 0.3) 45%,
    transparent 45%,
    transparent 60%,
    rgba(16, 185, 129, 0.5) 60%,
    rgba(16, 185, 129, 0.5) 75%,
    transparent 75%
  );
}

/* Animated circles for data points */
.data-ring {
  /* position: absolute; */
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.1);
  transform: scale(0);
  opacity: 0;
  /* z-index: 0; */
  /* pointer-events: none; */
  animation: pulseRing 4s infinite ease-out;
}

.ring-1 {
  top: 20%;
  left: 20%;
  width: 100px;
  height: 100px;
  animation-delay: 0s;
}
.ring-2 {
  top: 70%;
  right: 20%;
  width: 150px;
  height: 150px;
  animation-delay: 1s;
}

/* New keyframes for data-themed animations */
@keyframes fadeInOut {
  0%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
  50% {
    transform: translateY(-20px) scale(1.2);
    opacity: 0.7;
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 0.8;
  } /* Never fully opaque */
  50% {
    opacity: 0;
  } /* Fully transparent */
}

@keyframes fadeInSlide {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

@keyframes pulseRing {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  15% {
    opacity: 0.15;
  }
  30% {
    transform: scale(0.7);
    opacity: 0;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}