:root {
  /* --- Enhanced Retro Color Scheme --- */
  --bg-primary: #000000;       /* Warmer cream background */
  --accent-color: #ffffff;     /* Warmer, more vibrant orange */
  --accent-primary: #ffffff; /* Darker accent for hover states */
  --text-primary: #ffffff;     /* Rich dark brown for better contrast */
  --text-secondary: #ffffffb6;   /* Medium brown for secondary text */
  --text-muted: #ffffff69;       /* Lighter brown for muted text */
  --border-color: rgb(255, 255, 255); /* Subtle border color */
  --shadow-light: rgba(255, 255, 255, 0.1);
  --shadow-medium: rgba(255, 255, 255, 0.15);
  --transition-speed: 0.3s;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --gap: 12px;
  --border-radius: 0px;
  --easing: linear(
      0 0%,
      0.1538 4.09%,
      0.2926 8.29%,
      0.4173 12.63%,
      0.5282 17.12%,
      0.6255 21.77%,
      0.7099 26.61%,
      0.782 31.67%,
      0.8425 37%,
      0.8887 42.23%,
      0.9257 47.79%,
      0.9543 53.78%,
      0.9752 60.32%,
      0.9883 67.11%,
      0.9961 75%,
      1 100%
    );
  --speed: 0.4s;
  --items: 6;
}

/* Font face declarations */
@font-face {
  font-family: 'mono';
  src: url('../fonts/mono.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'dot';
  src: url('../fonts/dot.ttf') format('truetype'); 
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'mono', monospace;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-primary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-y: hidden;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Add subtle background pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 25% 25%, var(--accent-color) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, var(--accent-color) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: 0 0, 25px 25px;
  opacity: 0.03;
  pointer-events: none;
  z-index: -1;
}

/* Enhanced Button styles */
.btn {
    border: 2px solid var(--accent-color);
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin: 0;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: 'dot', monospace;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all var(--transition-speed) var(--transition-smooth);
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow-light);
    backdrop-filter: blur(10px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    transition: left var(--transition-speed) var(--transition-smooth);
    z-index: -1;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-speed) var(--transition-smooth);
    z-index: -1;
}

.btn:hover {
    color: var(--bg-primary);
    background-color: #fff;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 16px var(--shadow-medium);
}

.btn:hover::before {
    left: 100%;
}



.btn:active {
    box-shadow: 0 2px 8px var(--shadow-light);
}

/*custom cursor*/
.cursor {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(224, 224, 224, 0.5);
  border-radius: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: width 0.3s, height 0.3s, border-color 0.3s;
  z-index: 9999;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
}

/* Enhance hero section styles */
.hero-content {
  color: var(--text-primary);
  text-align: center;
  padding: 2rem;
}

/*navbar grid*/
/* Enhanced Navigation container */
.nav-container {
    width: 100%;
    margin: 0;
    padding: 1.5rem 3rem;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-primary) 100%);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 100;
}

.nav-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.3;
}

.logo {
    font-family: 'mono', monospace;
    color: var(--accent-color);
    font-size: 1.8rem;
    font-weight: normal;
    letter-spacing: 2px;
    justify-self: left;
    transition: all var(--transition-speed) var(--transition-smooth);
    text-shadow: 0 2px 4px var(--shadow-light);
}

.logo:hover {
    text-shadow: 0 4px 8px var(--shadow-medium);
    color: var(--accent-primary);
}

.time {
    justify-self: center;
    align-self: center;
    color: var(--text-primary);
    font-family: 'dot', monospace;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

.time span:first-child {
    color: var(--text-muted);
    font-weight: 300;
}

.time span:last-child {
    color: var(--accent-color);
    margin-left: 0.5ch;
    font-weight: 500;
}

.nav-buttons {
    justify-self: end;
    display: flex;
    gap: 0.5rem;
}


/* Improve footer styles */
footer {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  text-align: center;
  padding: 1rem;
}


/* Section visibility styles */
section {
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
    width: 100%;
    /* position: relative; */ /* Already relative from body flex */
    padding: 2rem 3rem; /* Adjusted padding */
    background-color: var(--bg-primary); /* Ensure sections have bg color */
    z-index: 1; /* Ensure sections stack correctly */
}

/* Enhanced H1 styling */
h1 {
    color: var(--text-primary);
    font-family: 'dot', monospace;
    font-size: 2.8rem;
    font-weight: bold;
    letter-spacing: 3px;
    text-align: center;
    width: 100%;
    text-shadow: 0 4px 8px var(--shadow-light);
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
}


section.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none;
    justify-self: center;
}

section.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: block;
    flex-grow: 1; /* Allow section to fill remaining space */
    overflow-y: auto; /* Allow internal scroll if needed */
}

/* --- New Grid Transition Card Styles (Based on Example) --- */

.project-list-container {
    display: grid;
    grid-template-columns: 1fr repeat(calc(var(--items) - 1), 1fr);
    gap: var(--gap);
    list-style-type: none;
    padding: 0;
    height: 75%;
    margin: 2rem 0;
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    transition: grid-template-columns var(--speed) var(--easing);
}

.project-list-container li {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
    border: 2px solid var(--border-color);
    cursor: pointer;
    box-shadow: 0 4px 16px var(--shadow-light);
    transition: all var(--transition-speed) var(--transition-smooth);
}

.project-list-container li:hover {
    border-color: var(--accent-color);
    box-shadow: 0 8px 32px var(--shadow-medium);
}

.project-list-container li article { /* Replaces article */
    width: 100%; /* Fill the grid column */
    height: 100%;
    position: absolute;
    font-family: 'mono', monospace; /* Use site font */
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* gap: 1rem; */ /* Remove fixed gap */
    padding-inline: 1rem; /* Adjust padding */
    padding-bottom: 1rem;
    overflow: hidden;
}

.project-list-container li article img {
    position: absolute;
    pointer-events: none;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.8) brightness(0.7) contrast(1.1);
    scale: 1.05;
    transition: all calc(var(--speed) * 1.2) var(--easing);
    mask: radial-gradient(120% 120% at 100% 0, #fff, rgba(0,0,0,0.3));
}

.project-list-container li article h3 {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    transform-origin: 0 50%;
    rotate: 90deg;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'mono', monospace;
    text-transform: uppercase;
    white-space: nowrap;
    margin: 0;
    color: var(--accent-color);
    opacity: 0.8;
    transition: all calc(var(--speed) * 1.2) var(--easing);
    text-shadow: 0 2px 4px var(--shadow-medium);
    letter-spacing: 1px;
}


.project-list-container li article p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-primary);
    opacity: 0;
    transition: all calc(var(--speed) * 1.2) var(--easing);
    width: 100%;
    margin: 0 0 0 0;
    text-wrap: balance;
    padding: 1rem;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px var(--shadow-light);
}

/* Enhanced Active state overrides */
.project-list-container li[data-active='true'] {
    border-color: var(--accent-color);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

.project-list-container li[data-active='true'] article :is(p, h3) {
    opacity: 1;
}

.project-list-container li[data-active='true'] article :is(p) {
    transition-delay: calc(var(--speed) * 0.25);
}

.project-list-container li[data-active='true'] article img {
    filter: grayscale(0) brightness(1) contrast(1.2);
    scale: 1;
    transition-delay: calc(var(--speed) * 0.25);
}

.project-list-container li[data-active='true'] article h3 {
    opacity: 1;
    color: var(--accent-primary);
    text-shadow: 0 2px 8px var(--shadow-medium);
}


.project-list-container li[data-active='true'] article p {
    box-shadow: 0 6px 24px var(--shadow-medium);
}


/* --- End Grid Transition Card Styles --- */

/* --- Vertical Resume Button --- */
.vertical-btn {
    position: fixed; /* Fixed position relative to viewport */
    right: 2.5%; /* Increased distance from right edge */
    top: 50%; /* Center vertically */
    transform: translateY(-50%); /* Precise vertical centering */
    writing-mode: vertical-rl; /* Vertical text, right-to-left */
    text-orientation: mixed;
    padding: 1rem 0.5rem; /* Adjust padding for vertical */
    margin: 0;
    z-index: 10; /* Ensure it's above section content */
}

/* --- Transition Overlay --- */
#transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    z-index: 9998; /* Below cursor, above content */
    transform: translateY(100%); /* Start below the viewport */
    transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1); /* Cinematic ease-in-out */
    pointer-events: none; /* Don't block clicks */
}

/* Instantly moves overlay to bottom, no transition */
#transition-overlay.prepare-slide-in {
    transition: none; 
    transform: translateY(100%);
}

#transition-overlay.active {
    transform: translateY(0); /* Slide in */
}

#transition-overlay.sliding-up {
    transform: translateY(-100%); /* Slide out upwards */
}

/* --- Enhanced Styling for #home section content --- */

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-primary));
    border-radius: 2px;
}

.section-number {
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 800;
    font-family: 'dot', monospace;
    background: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-light);
}

#home h1 {
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: left;
    margin: 0;
    font-size: 2.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px var(--shadow-light);
    transition: all var(--transition-speed) var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-primary));
}

.skill-category:hover {
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.skill-category h3 {
    font-family: 'mono', monospace;
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 0.75rem;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
    border-radius: 1px;
}

.skill-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skill-list li {
    color: var(--text-primary);
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    padding-left: 2rem;
    position: relative;
    background: var(--bg-primary);
    border-radius: calc(var(--border-radius) / 2);
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) var(--transition-smooth);
}

.skill-list li:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.skill-list li::before {
    content: '▶';
    position: absolute;
    left: 0.75rem;
    color: var(--accent-color);
    font-size: 0.8rem;
    transition: color var(--transition-speed) var(--transition-smooth);
}

.skill-list li:hover::before {
    color: var(--bg-primary);
}

/* --- End #home section styling --- */

/* --- Contact Section Styling --- */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px var(--shadow-light);
    transition: all var(--transition-speed) var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-primary));
}

.contact-item:hover {
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.contact-item h3 {
    font-family: 'dot', monospace;
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item p {
    color: var(--text-primary);
    font-size: 1rem;
    margin: 0;
    font-weight: 500;
}

.contact-message {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.contact-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-primary));
}

.contact-message h3 {
    font-family: 'dot', monospace;
    color: var(--accent-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.contact-message p {
    color: var(--text-primary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Responsive design for contact section */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-message {
        padding: 2rem;
    }
    
    .contact-links {
        flex-direction: column;
    }
}

/* --- End Contact Section Styling --- */

/* --- Responsive Design Enhancements --- */
@media (max-width: 1024px) {
    .nav-container {
        padding: 1rem 2rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .project-list-container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }
    
    .logo {
        justify-self: center;
        font-size: 1.5rem;
    }
    
    .time {
        justify-self: center;
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .nav-buttons {
        justify-self: center;
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-list-container {
        grid-template-columns: repeat(var(--items), 1fr);
    }
    
    .project-list-container li article h3 {
        rotate: 0deg;
        position: static;
        transform: none;
        margin-bottom: 1rem;
        text-align: center;
    }
    
    .vertical-btn {
        position: fixed;
        right: 1rem;
        writing-mode: horizontal-tb;
        text-orientation: mixed;
        transform: translateY(-50%);
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 480px) {
    section {
        padding: 1rem;
    }
    
    .nav-container {
        padding: 0.75rem;
    }
    
    .logo {
        font-size: 1.3rem;
        letter-spacing: 1px;
    }
    
    h1 {
        font-size: 1.8rem;
        letter-spacing: 1px;
    }
    
    .skill-category {
        padding: 1.5rem;
    }
    
    .contact-message {
        padding: 1.5rem;
    }
    
    .contact-links {
        flex-direction: column;
    }
}

/* --- Accessibility Improvements --- */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.btn:focus-visible,
.project-list-container li:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* --- Loading Animation --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.skill-category,
.contact-item,
.contact-message {
    animation: fadeInUp 0.1s ease-out;
}

.skill-category:nth-child(2) {
    animation-delay: 0.1s;
}

.skill-category:nth-child(3) {
    animation-delay: 0.2s;
}

/* --- End Responsive Design and Enhancements --- */