/* Global Font Tweaks */
:root {
  --md-text-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --md-code-font: "JetBrains Mono", "Fira Code", Consolas, Menlo, Monaco, "Courier New", monospace;
}

/* ------------------------------------------------------------------
   COLOR SCHEMES: "Cyber Vibrant" - High Contrast & Energy
   ------------------------------------------------------------------ */

/* 
   LIGHT MODE (Default)
   Concept: "Electric Day"
   Primary: Electric Indigo (#4f46e5) - Bold and energetic.
   Accent:  Vivid Pink (#ec4899) - Striking contrast.
*/
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        #4f46e5; /* Indigo 600 */
  --md-primary-fg-color--light: #6366f1; /* Indigo 500 */
  --md-primary-fg-color--dark:  #4338ca; /* Indigo 700 */
  
  --md-accent-fg-color:         #ec4899; /* Pink 500 */
  
  /* Hero Gradient: Deep Purple to Bright Pink to Orange */
  --hero-gradient: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #ec4899 100%);
  
  --card-bg: #ffffff;
  --card-border: rgba(79, 70, 229, 0.1);
  --card-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.1), 0 4px 6px -2px rgba(79, 70, 229, 0.05);
  --card-hover-shadow: 0 20px 25px -5px rgba(79, 70, 229, 0.2), 0 10px 10px -5px rgba(79, 70, 229, 0.1);
  
  --md-header-bg-color: #4f46e5;
}

/* 
   DARK MODE (Slate)
   Concept: "Neon Night"
   Background: Deepest Blue-Black (#0b1120)
*/
[data-md-color-scheme="slate"] {
  --md-default-bg-color:        #0b1120; 
  --md-default-fg-color:        #f8fafc; 
  
  --md-default-bg-color--light: #1e293b; 
  --md-default-bg-color--lighter: #334155; 
  
  /* Primary: Bright Cyan */
  --md-primary-fg-color:        #06b6d4; /* Cyan 500 */
  --md-primary-fg-color--light: #22d3ee;
  --md-primary-fg-color--dark:  #0891b2;
  
  --md-accent-fg-color:         #f472b6; /* Pink 400 */
  
  /* Hero Gradient: Dark Blue to Cyan to Purple */
  --hero-gradient: linear-gradient(135deg, #0f172a 0%, #3b82f6 50%, #8b5cf6 100%);
  
  --card-bg: #1e293b;
  --card-border: rgba(6, 182, 212, 0.2);
  --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --card-hover-shadow: 0 0 20px rgba(6, 182, 212, 0.3); /* Neon Glow */
  
  --md-header-bg-color: #0f172a; 
}

/* Rounded Corners */
:root {
  --md-border-radius: 16px; /* More rounded, modern app feel */
}

/* ------------------------------------------------------------------
   Home Page Hero Section - FIXED
   ------------------------------------------------------------------ */
.tx-hero {
  background: var(--hero-gradient);
  color: #fff;
  padding: 6rem 2rem; /* Taller hero */
  
  /* Fix margins to stretch fully */
  margin-top: -2rem; 
  margin-left: 50%;
  margin-right: 50%;
  width: 100vw;
  transform: translateX(-50%);
  
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 4rem;
  
  /* Add subtle texture */
  background-size: 200% 200%;
  animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.tx-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 150%, rgba(255,255,255,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% -50%, rgba(255,255,255,0.15) 0%, transparent 50%);
  pointer-events: none;
}

/* Remove media query specific margin hacks that cause issues */
@media screen and (min-width: 76.25em) {
  .md-content__inner {
    margin-top: 0;
    padding-top: 0;
  }
}

.tx-hero h1 {
  font-size: 4.5rem; /* Larger title */
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: #fff !important;
  letter-spacing: -0.04em;
  text-shadow: 0 4px 20px rgba(0,0,0,0.2);
  background: linear-gradient(to bottom, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tx-hero p {
  font-size: 1.6rem;
  opacity: 0.95;
  max-width: 700px;
  margin: 0 auto 1rem auto;
  line-height: 1.5;
  font-weight: 500;
}

.tx-hero-btn {
  display: inline-block;
  margin-top: 3rem;
  padding: 1rem 3.5rem;
  background-color: #fff;
  color: var(--md-primary-fg-color) !important;
  font-weight: 800;
  border-radius: 50px; /* Pill shape */
  text-decoration: none !important;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  font-size: 1.1rem;
  border: 2px solid transparent;
}

.tx-hero-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  color: var(--md-accent-fg-color) !important;
}

/* ------------------------------------------------------------------
   Card Grid Layout
   ------------------------------------------------------------------ */
.tx-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Improved Grid */
.tx-grid {
  display: grid;
  /* Use auto-fill instead of auto-fit to prevent stretching too wide */
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem; /* Larger gap */
  padding: 1rem 0;
  margin-top: 2rem;
  width: 100%; 
  box-sizing: border-box;
}

/* Ensure content above grid has spacing */
.md-typeset > .tx-grid {
  margin-top: 2rem;
}

.tx-card {
  background: var(--card-bg);
  border-radius: 20px; /* More rounded */
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
}

/* Card Hover Effect - Lift & Glow */
.tx-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--md-accent-fg-color);
}

.tx-card-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  width: 72px;
  height: 72px;
  border-radius: 18px;
  color: var(--md-primary-fg-color);
  transition: transform 0.3s ease;
}

.tx-card:hover .tx-card-icon {
  transform: scale(1.1) rotate(5deg);
}

.tx-card-content {
  flex-grow: 1;
}

.tx-card h3 {
  margin-top: 0;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.tx-card h3 a {
  color: var(--md-primary-fg-color) !important;
  text-decoration: none;
  transition: color 0.2s;
}

.tx-card:hover h3 a {
  background: linear-gradient(90deg, var(--md-primary-fg-color), var(--md-accent-fg-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tx-card p {
  color: var(--md-default-fg-color);
  opacity: 0.8;
  margin-bottom: 2rem;
  line-height: 1.7;
  font-size: 1rem;
}

.tx-card-link {
  color: var(--md-accent-fg-color);
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  font-size: 0.95rem;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
  width: 100%;
}

.tx-card-link:hover {
  color: var(--md-primary-fg-color);
}

.tx-card-link::after {
  content: "→";
  margin-left: auto; 
  transition: transform 0.2s;
  font-weight: 900;
}

.tx-card-link:hover::after {
  transform: translateX(6px);
}

/* ------------------------------------------------------------------
   Footer CTA
   ------------------------------------------------------------------ */
.tx-footer-cta {
  text-align: center;
  padding: 5rem 2rem;
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(79, 70, 229, 0.05) 100%);
  border-radius: 24px;
  margin: 5rem 0 3rem 0;
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
}

.tx-footer-cta h2 {
  color: var(--md-primary-fg-color);
  font-weight: 900;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.tx-footer-cta img {
  max-width: 200px;
  border-radius: 24px;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.2);
  margin-top: 2.5rem;
  border: 4px solid #fff;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.tx-footer-cta img:hover {
  transform: scale(1.05) rotate(2deg);
}

/* ------------------------------------------------------------------
   General Improvements
   ------------------------------------------------------------------ */

/* Enhanced Blockquotes */
.md-typeset blockquote {
  border-left: 4px solid var(--md-accent-fg-color);
  background-color: rgba(79, 70, 229, 0.05); /* Tinted background */
  padding: 1.2rem 1.8rem;
  border-radius: 0 12px 12px 0;
  color: var(--md-default-fg-color);
  font-style: italic;
  font-weight: 500;
}

/* Cleaner Code Blocks */
.md-typeset pre > code {
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  border: 1px solid var(--card-border);
  background-color: var(--md-default-bg-color--lighter);
}

/* Sticky Header Adjustment */
.md-header {
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  backdrop-filter: blur(10px); /* Glassmorphism */
  background-color: rgba(79, 70, 229, 0.95); /* Semi-transparent */
}

[data-md-color-scheme="slate"] .md-header {
    background-color: rgba(15, 23, 42, 0.9);
}

/* Hide default H1 on index if using Hero */
.tx-hide-h1 h1:first-of-type {
  display: none;
}