:root {
    --bg-base: #FAF9F6;        /* Highly refined minimal paper tone */
    --bg-alt: #F1EFEA;         /* Slate/sand alternative block */
    --text-main: #0E0F11;      /* Crisp rich ink tone */
    --text-muted: #5D6066;    /* Soft utility paragraph */
    --accent-signal: #FF3E24;  /* Editorial Vivid Warning Red-Orange */
    --accent-electric: #1E4DFF;/* Fluid hyperlink element */
    --border-line: #D5D2C8;    /* Razor thin geometric layouts */
    
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --sidebar-width: 280px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-base);
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* --- SCROLL PROGRESS HIGHLIGHTER --- */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 9999;
    background: transparent;
}
.scroll-progress-bar {
    height: 100%;
    background: var(--accent-signal);
    width: 0%;
    transition: width 0.1s cubic-bezier(0.1, 0.8, 0.3, 1);
}

/* --- REFINED SIDEBAR FILE-TREE NAV (DESKTOP) --- */
.sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: #121316;
    color: #A0A5B0;
    padding: 2.5rem 1.5rem;
    border-right: 1px solid #1E2025;
    z-index: 1000;
}
.nav-root {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: #FFFFFF;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #1E2025;
}
.root-icon {
    color: var(--accent-signal);
}
.nav-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}
.nav-item {
    margin-bottom: 0.75rem;
}
.nav-link {
    display: flex;
    align-items: center;
    color: #A0A5B0;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}
.file-icon {
    margin-right: 0.75rem;
    font-size: 1rem;
    filter: grayscale(20%);
}
.nav-link:hover {
    background-color: #1A1C22;
    color: #FFFFFF;
}
.nav-link.active {
    background-color: #20222A;
    color: #FFFFFF;
    font-weight: 500;
    box-shadow: inset 3px 0 0 var(--accent-signal);
}



/* --- MOBILE HEADER & OVERLAY NAVIGATION --- */
.mobile-navbar {
    background-color: #121316;
    padding: 1rem 1.5rem;
    z-index: 1050;
    border-bottom: 1px solid #1E2025;
}
.mobile-logo {
    color: #FFFFFF;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    text-decoration: none;
}
.mobile-nav-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
}
.hamburger-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #FFFFFF;
    transition: all 0.3s ease;
}
/* Open state transformation via script */
.mobile-nav-toggle.open .hamburger-bar:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
.mobile-nav-toggle.open .hamburger-bar:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
}

.mobile-menu-overlay {
    position: fixed;
    top: 61px;
    left: 0;
    width: 100%;
    height: calc(100vh - 61px);
    background-color: #121316;
    z-index: 1040;
    display: none;
    padding: 3rem 2rem;
}
.mobile-menu-overlay.active {
    display: block;
}
.mobile-menu-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.mobile-link {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: #A0A5B0;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 700;
}
.mobile-link:hover {
    color: #FFFFFF;
}

/* --- MAIN PAGE CONTENT WRAPPER LAYOUTS --- */
.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
}

@media (max-width: 991.98px) {
    .main-content {
        margin-left: 0;
        width: 100%;
    }
}

/* --- PORTFOLIO SYSTEM SECTIONS COMMON --- */
.portfolio-section {
    padding: 8rem 0;
    border-bottom: 1px solid var(--border-line);
}
.section-bg-alt {
    background-color: var(--bg-alt);
}
.section-eyebrow {
    font-family: var(--font-mono);
    color: var(--accent-signal);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    text-transform: lowercase;
}
.section-heading {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

/* --- DYNAMIC HERO DEPLOYMENT --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    padding: 6rem 0;
    background-color: var(--bg-base);
    border-bottom: 1px solid var(--text-main);
    overflow: hidden;
}
.hero-background-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 40px 40px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    z-index: 1;
}
.hero-section .container {
    position: relative;
    z-index: 2;
}
.eyebrow-code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 11vw, 8.5rem);
    font-weight: 800;
    line-height: 0.9;
}
.text-stroke {
    color: transparent;
    -webkit-text-stroke: 2px var(--text-main);
}
.text-fill {
    color: var(--text-main);
}
.role-badge {
    font-family: var(--font-mono);
    background-color: var(--text-main);
    color: var(--bg-base);
    padding: 0.5rem 1.2rem;
    font-size: 1rem;
    font-weight: 500;
}
.location-tag {
    font-family: var(--font-mono);
    border: 1px solid var(--border-line);
    padding: 0.5rem 1.2rem;
    font-size: 1rem;
    color: var(--text-muted);
}
.hero-lead {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: 1.5;
}
.max-w-xl {
    max-width: 600px;
}

/* BUTTON UTILITIES */
.btn-custom-primary {
    font-family: var(--font-mono);
    background-color: var(--accent-signal);
    color: #FFFFFF;
    text-decoration: none;
    padding: 1rem 2rem;
    font-weight: 500;
    display: inline-block;
    transition: transform 0.2s ease, background-color 0.2s ease;
}
.btn-custom-primary:hover {
    background-color: #E02F16;
    transform: translateY(-2px);
}
.btn-custom-outline {
    font-family: var(--font-mono);
    border: 1px solid var(--text-main);
    color: var(--text-main);
    text-decoration: none;
    padding: 1rem 2rem;
    font-weight: 500;
    display: inline-block;
    transition: all 0.2s ease;
}
.btn-custom-outline:hover {
    background-color: var(--text-main);
    color: var(--bg-base);
}

.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    right: 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    z-index: 2;
}
.scroll-hint-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}
.scroll-hint-line {
    width: 1px;
    height: 50px;
    background-color: var(--text-main);
    transform-origin: top;
    animation: pulseLine 2s infinite ease-in-out;
}

@keyframes pulseLine {
    0% { transform: scaleY(0.2); }
    50% { transform: scaleY(1); transform-origin: top; }
    55% { transform-origin: bottom; }
    100% { transform: scaleY(0.2); transform-origin: bottom; }
}

/* --- ABOUT STYLINGS & STATS --- */
.lead-text {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.01em;
}
.body-text {
    font-size: 1.1rem;
    line-height: 1.6;
}
.metric-number {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--accent-signal);
}
.metric-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* --- TIMELINE COMPONENT STRUCTURE --- */
.timeline-container {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--border-line);
}
.timeline-item {
    position: relative;
    margin-bottom: 4rem;
}
.timeline-item:last-child {
    margin-bottom: 0;
}
.timeline-marker {
    position: absolute;
    left: calc(-2rem - 6px);
    top: 6px;
    width: 10px;
    height: 10px;
    background-color: var(--bg-base);
    border: 2px solid var(--text-main);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}
.timeline-item:hover .timeline-marker {
    background-color: var(--accent-signal);
}
.timeline-date {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background-color: rgba(0,0,0,0.05);
    padding: 0.2rem 0.6rem;
    margin-bottom: 0.75rem;
}
.timeline-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
}
.timeline-institution {
    font-size: 1.1rem;
    font-weight: 500;
}
.experience-list {
    padding-left: 1.2rem;
}
.experience-list li {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

/* --- TECH SKILLS ROW INTERACTION --- */
.skill-card {
    background: transparent;
    padding: 0.5rem 0;
}
.skill-name {
    font-size: 0.9rem;
    font-weight: 600;
}
.skill-percentage {
    font-size: 0.9rem;
    color: var(--text-muted);
}
.skill-track {
    width: 100%;
    height: 6px;
    background-color: rgba(0,0,0,0.06);
    overflow: hidden;
}
.skill-fill {
    height: 100%;
    background-color: var(--text-main);
    width: 0%; /* Dynamic fill via script hook */
    transition: width 1.5s cubic-bezier(0.1, 0.8, 0.3, 1);
}
.token-pill {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border: 1px solid var(--border-line);
    padding: 0.4rem 0.9rem;
    background-color: var(--bg-base);
}

/* --- SELECTED BUILDS GRID & CARDS --- */
.project-card {
    background-color: var(--bg-base);
    border: 1px solid var(--border-line);
    padding: 3rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}
.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--text-main);
}
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-line);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}
.project-index {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-signal);
}
.project-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}
.project-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}
.project-description {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 2rem;
    flex-grow: 1;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.project-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background-color: rgba(0,0,0,0.04);
    padding: 0.2rem 0.6rem;
    color: var(--text-muted);
}
.project-action-link {
    font-family: var(--font-mono);
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease;
}
.project-action-link:hover {
    color: var(--accent-electric);
}

/* --- MONUMENTAL CONTACT MATRIX --- */
.contact-section {
    background-color: #0E0F11;
    color: #FFFFFF;
    padding: 10rem 0 5rem 0;
    border: none;
}
.contact-cta-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
}
.text-stroke-white {
    color: transparent;
    -webkit-text-stroke: 1px #FFFFFF;
}
.contact-lead {
    font-size: 1.25rem;
    line-height: 1.6;
}
.email-link {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 700;
    word-break: break-all;
    transition: color 0.2s ease;
}
.email-link:hover {
    color: var(--accent-signal);
}
.social-channels-card {
    background-color: #16181D;
    border: 1px solid #23272F;
    padding: 2.5rem;
}
.social-link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    color: #DBDFE6;
    text-decoration: none;
    font-size: 1.1rem;
    border-bottom: 1px solid #23272F;
    transition: color 0.2s ease, padding-left 0.2s ease;
}
.social-link-item:last-child {
    border-bottom: none;
}
.social-link-item:hover {
    color: #FFFFFF;
    padding-left: 6px;
}

/* --- INTERACTIVE ANIMATION ARCHITECTURE --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.215, 0.61, 0.355, 1), 
                transform 1s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Individual list triggers */
.scroll-reveal-stagger {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1), 
                transform 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.scroll-reveal-stagger.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Accessibility settings override */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal, .scroll-reveal-stagger, .skill-fill, .project-card {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
    .skill-fill {
        width: var(--final-width) !important;
    }
}


/* #certificates a{
    color: var(--accent-signal)
}

/* Container settings */
.fan-section {
    position: relative;
    background-color: #0b0b0c;
    /* Height controls how long the user scrolls to finish the layout fan-out animation */
    height: 180vh; 
}

.fan-scroll-container {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* The physical canvas boundaries matching your wireframe concept */
.fan-viewport {
    position: relative;
    width: 100%;
    max-width: 1000px;
    height: 500px;
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

/* Central origin point where all cards overlap initially */
.fan-card-hub {
    position: relative;
    width: 240px;
    height: 380px;
    bottom: 40px;
}

/* The card base layout rules and rotational math */
.fan-card {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    
    /* Radial pivot anchor point at the bottom center */
    transform-origin: 50% 120%;
    will-change: transform;
    
    /* CALCULATION BREAKDOWN:
      - Cards fan out up to 35 degrees based on their sequential index.
      - As `--scroll-progress` changes from 0 to 1 via JS, the rotation scales out.
    */
    --rotation: calc(var(--card-index) * 35deg * var(--scroll-progress, 0));
    --translation-x: calc(var(--card-index) * 110px * var(--scroll-progress, 0));
    --translation-y: calc(Math.abs(var(--card-index)) * 25px * var(--scroll-progress, 0));

    transform: translate3d(var(--translation-x), var(--translation-y), 0) rotate(var(--rotation));
    transition: transform 0.1s linear;
}

/* Aesthetic inner card styles */
.fan-card-inner {
    width: 100%;
    height: 100%;
    background: #16161a;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    position: relative;
}

.fan-card-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Small contextual text overlay */
.fan-meta {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1rem 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9) 70%);
    color: #fff;
    text-align: center;
    opacity: var(--scroll-progress, 0);
    transition: opacity 0.3s ease;
}

/* Bring clicked or hovered cards to the very front layer */
.fan-card:hover {
    z-index: 50 !important;
}
.fan-card:hover .fan-card-inner {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7);
} */