/* ==========================================================================
   BHAVYA JANGID'S PORTFOLIO STYLE SYSTEM
   ========================================================================== */

:root {
    /* Fonts */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Base Styling Variables */
    --bg-dark-glass: rgba(10, 14, 25, 0.72);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    /* Configurable Accent Variables (Overwritten by JS Color Picker) */
    --accent-color: #ffcc00;
    --accent-color-rgb: 255, 204, 0;
    --accent-glow: 0 0 12px rgba(255, 204, 0, 0.65), 0 0 35px rgba(255, 204, 0, 0.25);
    
    /* Character track settings */
    --char-left: 12.5%; /* starts centered on About tab (index 0) */
    --sprite-scale: 22vw;
    --char-transition: none; /* controlled dynamically by JS: none, or smooth transitions */
    --background-scroll-speed: 0.15;
}

/* ==========================================================================
   BASE STYLING & CORE WRAPPERS
   ========================================================================== */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-user-drag: none;
}

/* Visited Link Color System - Default standard links to white */
a, a:visited {
    color: #ffffff !important;
    text-decoration: none;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
    color: var(--accent-color) !important;
    text-shadow: var(--accent-glow);
}

/* Except specific buttons */
.project-link-btn, .project-link-btn:visited {
    color: var(--accent-color) !important;
}

.project-link-btn:hover {
    color: #05070c !important;
    text-shadow: none !important;
}

.details-logo-area, .details-logo-area:visited {
    color: var(--accent-color) !important;
}

.details-logo-area:hover {
    color: var(--accent-color) !important;
}

/* Selection restrictions only on active UI game control elements */
body, .parallax-bg, .sprite-wrapper, .mech-keycap, .nav-tab, .settings-sidebar, .settings-overlay, .hamburger-menu-btn, button {
    user-select: none;
}

body {
    background-color: #05070c;
    color: var(--text-primary);
    font-family: var(--font-sans);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    position: relative;
}

/* Static Beach Parallax background (scrolls relative to avatar position) */
.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('beach-background.png');
    background-repeat: repeat-x;
    background-size: auto 100%;
    z-index: 1;
    pointer-events: none;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    will-change: background-position;
}

/* Sky layer: slowest */
.sky-layer {
    background-position: calc(-1px * var(--char-left) * var(--background-scroll-speed) * 0.1) center;
    clip-path: rect(0 100% 35% 0);
    z-index: 1;
}

/* Sea layer: medium */
.sea-layer {
    background-position: calc(-1px * var(--char-left) * var(--background-scroll-speed) * 0.4) center;
    clip-path: rect(35% 100% 68% 0);
    z-index: 2;
}

/* Sand layer: walks directly on it */
.sand-layer {
    background-position: calc(-1px * var(--char-left) * var(--background-scroll-speed) * 1.0) center;
    clip-path: rect(68% 100% 100% 0);
    z-index: 3;
}

/* App container viewport */
.app-container {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.8rem 2.2rem;
}

/* ==========================================================================
   TOP NAV BAR (Title, Sound Toggle, Settings)
   ========================================================================== */

.top-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 30;
    animation: fadeInDown 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-title {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.sound-toggle-btn {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: var(--accent-glow);
    cursor: pointer;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(var(--accent-color-rgb), 0.2);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.sound-toggle-btn:hover {
    background: rgba(var(--accent-color-rgb), 0.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(var(--accent-color-rgb), 0.2);
}

.sound-toggle-btn.sound-on {
    background: rgba(var(--accent-color-rgb), 0.25);
    border-color: var(--accent-color);
}

/* Settings circular button */
.settings-circle-btn {
    background: rgba(10, 14, 25, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(8px);
}

.settings-circle-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: var(--accent-glow);
    transform: rotate(45deg);
}

/* ==========================================================================
   CENTERED ACTIVE CONTENT CARD BOARD
   ========================================================================== */

.content-board-viewport {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1.5rem 0;
    z-index: 20;
    animation: fadeIn 0.8s ease;
}

/* Retro Glassmorphic content card */
.content-card-box {
    width: 90%;
    max-width: 620px;
    min-height: 350px;
    background: var(--bg-dark-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
    padding: 2.2rem;
    position: relative;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}
.content-card-box::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.content-card-box:hover {
    border-color: rgba(var(--accent-color-rgb), 0.25);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 25px rgba(var(--accent-color-rgb), 0.08);
}

/* Corner neon design brackets (replacing Mac-style dots) */
.card-bracket {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid var(--accent-color);
    transition: border-color 0.3s ease;
}
.card-bracket.top-left { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.card-bracket.top-right { top: -2px; right: -2px; border-left: none; border-bottom: none; }
.card-bracket.bottom-left { bottom: -2px; left: -2px; border-right: none; border-top: none; }
.card-bracket.bottom-right { bottom: -2px; right: -2px; border-left: none; border-top: none; }

/* Sections contents */
.card-section {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card-section.active {
    display: block;
    opacity: 1;
}

.card-section-header {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    margin-bottom: 0.8rem;
    text-shadow: var(--accent-glow);
}

.card-section-body h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    letter-spacing: -0.01em;
}

.section-intro {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

/* Projects previews */
.project-preview-row {
    display: flex;
    gap: 1.2rem;
}

.preview-item {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.8rem;
}

.preview-item h3 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.preview-item p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Blogs previews */
.blog-preview-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.blog-preview-list li {
    font-size: 0.82rem;
    line-height: 1.4;
    color: var(--text-secondary);
    padding: 6px 10px;
    border-left: 2px solid var(--accent-color);
    background: rgba(255, 255, 255, 0.01);
}

.blog-preview-list li strong {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* Card footer click action */
.card-footer-action {
    display: flex;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.read-more-btn {
    background: rgba(var(--accent-color-rgb), 0.1);
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    color: var(--accent-color);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-shadow: var(--accent-glow);
}

.read-more-btn:hover {
    background: var(--accent-color);
    color: #05070c;
    box-shadow: var(--accent-glow);
    text-shadow: none;
}

/* ==========================================================================
   BOTTOM HUD CONTROL DECK & WALK TRACK
   ========================================================================== */

.bottom-hud-control-deck {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    z-index: 25;
    animation: fadeInUp 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Center Walk Track System */
.nav-tray-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    max-width: 820px;
}

/* Character Track wrapper */
.avatar-walk-track {
    height: 90px;
    width: 100%;
    position: relative;
    margin-bottom: 4px;
}

/* Tab Deck underlying character */
.nav-tabs-tray {
    display: flex;
    width: 100%;
    background: rgba(10, 14, 25, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.nav-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    padding: 12px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

/* Highlight active tab block */
.nav-tab.active {
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.08);
    box-shadow: inset 0 0 1px rgba(var(--accent-color-rgb), 0.3);
}

/* Bottom line marker active tab */
.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15%;
    width: 70%;
    height: 3px;
    background-color: var(--accent-color);
    box-shadow: var(--accent-glow);
    border-radius: 2px;
}

/* ==========================================================================
   AVATAR SPRITE MOUNTED ON TRACK
   ========================================================================== */

.sprite-wrapper {
    position: absolute;
    bottom: -6px; /* slightly overlaps tab deck top edge */
    left: var(--char-left);
    width: var(--sprite-scale);
    max-width: 140px;
    aspect-ratio: 1;
    z-index: 15;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    transform: translateX(-50%);
    will-change: left;
    transition: var(--char-transition);
}

.sprite-img {
    display: none;
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.7));
}

/* Visibility rules for preloaded sprites */
.sprite-wrapper.pose-standing .sprite-img.standing { display: block; }
.sprite-wrapper.pose-right-strafe .sprite-img.right-strafe { display: block; }
.sprite-wrapper.pose-right-move .sprite-img.right-move { display: block; }
.sprite-wrapper.pose-left-strafe .sprite-img.left-strafe { display: block; }
.sprite-wrapper.pose-left-move .sprite-img.left-move { display: block; }
.sprite-wrapper.pose-jumping .sprite-img.standing { display: block; }

.sprite-wrapper.pose-jumping {
    animation: characterJump 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes characterJump {
    0% {
        transform: translateX(-50%) translateY(0) scale(1, 1);
    }
    15% {
        transform: translateX(-50%) translateY(0) scale(1.2, 0.8);
    }
    45% {
        transform: translateX(-50%) translateY(-65px) scale(0.85, 1.15);
    }
    75% {
        transform: translateX(-50%) translateY(0) scale(1.15, 0.85);
    }
    100% {
        transform: translateX(-50%) translateY(0) scale(1, 1);
    }
}

.character-shadow {
    position: absolute;
    bottom: -1px;
    width: 60%;
    height: 6px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    filter: blur(2px);
    z-index: -1;
}

/* ==========================================================================
   MECHANICAL KEYPADS PANEL (Beige Style)
   ========================================================================== */

.mechanical-arrows-hud {
    display: flex;
    pointer-events: all;
    z-index: 15;
}

.keyboard-row {
    display: flex;
    gap: 0.8rem;
    background: #181513;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid #282420;
    box-shadow: 
        0 4px 0 #0c0a09,
        0 6px 15px rgba(0, 0, 0, 0.6);
}

.mech-keycap {
    width: 50px;
    height: 48px;
    background-color: #cabfa8; /* Shadow side color */
    border-radius: 6px;
    position: relative;
    cursor: pointer;
    box-shadow: 
        0 4px 0 #a2967e, /* isometric side */
        0 5px 0 #000, /* outlines */
        0 6px 10px rgba(0,0,0,0.5);
    transition: all 0.05s ease;
}

.keycap-top {
    position: absolute;
    top: 0;
    left: 2px;
    right: 2px;
    height: 38px;
    background: linear-gradient(180deg, #ede6d6 0%, #e0d6c0 100%);
    border-radius: 4px;
    box-shadow: 
        inset 0 1.5px 1px rgba(255,255,255,0.95),
        inset 0 -1.5px 1px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 2px;
    transition: all 0.05s ease;
}

.primary-legend {
    font-size: 0.8rem;
    color: #443c30;
    font-weight: 700;
}

.sub-legend {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    color: #887d69;
    font-weight: 800;
    margin-top: -2px;
}

/* Hover mechanical keys */
.mech-keycap:hover .keycap-top {
    background: linear-gradient(180deg, #f5ecd9 0%, #e5dbc4 100%);
}

/* Pressed animations active key */
.mech-keycap:active, .mech-keycap.pressed {
    transform: translateY(3px);
    box-shadow: 
        0 1px 0 #a2967e,
        0 2px 0 #000,
        0 2px 4px rgba(0,0,0,0.4);
}

.mech-keycap:active .keycap-top, .mech-keycap.pressed .keycap-top {
    height: 35px;
    background: linear-gradient(180deg, #dfd6bf 0%, #d5ccb5 100%);
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.12);
    padding-top: 4px;
}

/* ==========================================================================
   SETTINGS SIDEBAR LAYOUT
   ========================================================================== */

.settings-sidebar {
    position: fixed;
    top: 0;
    right: -350px;
    width: 330px;
    height: 100vh;
    background: rgba(8, 12, 22, 0.95);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-left: 1px solid var(--border-color);
    box-shadow: -15px 0 45px rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.settings-sidebar.open {
    right: 0;
    border-left: 1px solid var(--accent-color);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.4rem 1.6rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h3 {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
}

.close-btn:hover {
    color: var(--accent-color);
}

.sidebar-content {
    flex: 1;
    padding: 1.6rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Styled color picker */
.color-picker-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
}

.color-picker-container input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    border: none;
    width: 32px;
    height: 32px;
    cursor: pointer;
    background: none;
    border-radius: 4px;
}

.color-picker-container input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-container input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.color-hex-lbl {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: var(--accent-glow);
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-group label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-container input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.07);
    height: 5px;
    border-radius: 3px;
    outline: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: var(--accent-glow);
    cursor: pointer;
}

.slider-val {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-primary);
    width: 42px;
    text-align: right;
}

/* Info Box */
.info-box {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
}

.info-box h4 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.meta-desc {
    font-size: 0.72rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.highlight-val {
    color: var(--accent-color);
    font-weight: 700;
}

/* Sidebar overlay */
.settings-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.settings-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ==========================================================================
   FULL SCREEN IMMERSIVE SUB-PAGES MODALS
   ========================================================================== */

.detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
}

.detail-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 6, 12, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.modal-container {
    position: relative;
    background: var(--bg-dark-glass);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 100%;
    max-width: 650px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(var(--accent-color-rgb), 0.1);
    z-index: 1010;
    animation: zoomIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.modal-header {
    padding: 1.2rem 1.6rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--accent-color);
    text-shadow: var(--accent-glow);
}

.modal-close-btn {
    background: none;
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    color: var(--accent-color);
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    background: var(--accent-color);
    color: #04060c;
    box-shadow: var(--accent-glow);
}

.modal-body {
    padding: 1.8rem;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

/* Modal specific elements */
.modal-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.sub-heading {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.4rem;
    margin-top: 0.5rem;
}

/* Skill Bars */
.skill-bar-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.skill-progress-bg {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.skill-progress-bar {
    height: 100%;
    background-color: var(--accent-color);
    box-shadow: var(--accent-glow);
    border-radius: 4px;
}

/* Projects lists in modal */
.modal-project-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.2rem;
}

.modal-project-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.project-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-color);
    margin-bottom: 0.6rem;
}

/* Articles list in modal */
.blog-full-article h3 {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

.article-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.article-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 1rem 0;
}

/* Contact form modal */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px rgba(var(--accent-color-rgb), 0.15);
}

.submit-btn {
    background: rgba(var(--accent-color-rgb), 0.12);
    border: 1px solid rgba(var(--accent-color-rgb), 0.35);
    color: var(--accent-color);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-shadow: var(--accent-glow);
}

.submit-btn:hover {
    background: var(--accent-color);
    color: #04060c;
    box-shadow: var(--accent-glow);
    text-shadow: none;
}

.contact-docks-row {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.contact-docks-row a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-docks-row a:hover {
    color: var(--accent-color);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(25px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==========================================================================
   RESPONSIVE LAYOUT RULES (Mobile & Small Screens)
   ========================================================================== */

@media (max-width: 768px) {
    .app-container {
        padding: 1.2rem;
    }
    
    .portfolio-title {
        font-size: 1.25rem;
    }
    
    .content-card-box {
        padding: 1.5rem;
        max-height: 48vh;
        overflow-y: auto;
    }
    
    .card-section-body h2 {
        font-size: 1.2rem;
    }
    
    .section-intro {
        font-size: 0.85rem;
    }
    
    .project-preview-row {
        flex-direction: column;
        gap: 0.6rem;
    }
    
    /* Reposition Hud controls for Mobile stack */
    .bottom-hud-control-deck {
        flex-direction: column;
        align-items: center;
        gap: 1.2rem;
    }
    
    .nav-tray-wrapper {
        width: 100%;
        max-width: 100%;
    }
    
    .avatar-walk-track {
        height: 70px;
    }
    
    .sprite-wrapper {
        width: 25vw;
        max-width: 80px;
    }
    
    .nav-tabs-tray {
        padding: 2px;
    }
    
    .nav-tab {
        font-size: 0.68rem;
        padding: 8px 4px;
    }
    
    .nav-tab.active::after {
        height: 2px;
    }
    
    .mechanical-arrows-hud {
        margin-top: 2px;
    }
    
    .mech-keycap {
        width: 46px;
        height: 44px;
    }
    
    .keycap-top {
        height: 35px;
    }
    
    .primary-legend {
        font-size: 0.72rem;
    }
}

/* Short height screens compatibility */
@media (max-height: 680px) {
    .avatar-walk-track {
        height: 65px;
    }
    
    .content-board-viewport {
        margin: 0.6rem 0;
    }
    
    .content-card-box {
        padding: 1.2rem;
    }
    
    .top-nav-bar {
        margin-bottom: 0.4rem;
    }
}

/* ==========================================================================
   DETAILS.HTML SUBPAGE STYLES
   ========================================================================== */

.details-page-body {
    overflow-y: auto !important;
    overflow-x: hidden !important;
    height: auto !important;
    min-height: 100vh;
    user-select: text !important;
}

.details-layout-wrapper {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem 2rem 1.5rem;
    position: relative;
    z-index: 10;
}

/* Header style details page - STICKY WITH DARK GLASS CONTAINER */
.details-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    margin-bottom: 2.5rem;
    background: var(--bg-dark-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.details-logo-area {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    text-decoration: none;
    text-shadow: var(--accent-glow);
    padding: 6px 12px;
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.25);
    transition: all 0.2s ease;
}

.details-logo-area:hover {
    background: rgba(var(--accent-color-rgb), 0.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(var(--accent-color-rgb), 0.2);
}

.details-nav-links {
    display: flex;
    gap: 1.5rem;
}

.details-nav-item {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
    padding: 4px 0;
    position: relative;
}

.details-nav-item:hover {
    color: var(--accent-color);
}

.details-nav-item:hover::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    box-shadow: var(--accent-glow);
}

/* Mobile Hamburger controls */
.hamburger-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 100;
}

.hamburger-menu-btn .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Sections for Details Page */
.details-card-section {
    background: var(--bg-dark-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    position: relative;
}

.details-card-section:hover {
    border-color: rgba(var(--accent-color-rgb), 0.2);
}

.details-card-title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.12em;
    margin-bottom: 1.2rem;
    text-shadow: var(--accent-glow);
}

.details-card-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.details-text {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Skill list styling */
.details-skill-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.details-skill-tag {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.06);
    border: 1px solid rgba(var(--accent-color-rgb), 0.25);
    padding: 6px 14px;
    border-radius: 4px;
    text-shadow: var(--accent-glow);
    transition: all 0.2s ease;
    cursor: default;
}

.details-skill-tag:hover {
    background: rgba(var(--accent-color-rgb), 0.14);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(var(--accent-color-rgb), 0.2);
}

/* Projects details */
.details-project-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.2rem;
}

.details-project-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.details-project-tech {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-color);
    margin-bottom: 0.6rem;
}

/* Blogs details */
.details-blog-post h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.details-blog-meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.details-divider {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 1.2rem 0;
}

/* Contact form subpage */
.details-contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.details-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.details-form-group label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.details-form-group input, .details-form-group textarea {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.details-form-group input:focus, .details-form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 8px rgba(var(--accent-color-rgb), 0.15);
}

.details-submit-btn {
    background: rgba(var(--accent-color-rgb), 0.12);
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    color: var(--accent-color);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-shadow: var(--accent-glow);
}

.details-submit-btn:hover {
    background: var(--accent-color);
    color: #05070c;
    box-shadow: var(--accent-glow);
    text-shadow: none;
}

.details-footer {
    text-align: center;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: 2.5rem;
}

.footer-social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1rem;
}

.footer-social-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.95);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.footer-social-icon svg {
    fill: #000000;
    width: 20px;
    height: 20px;
    display: block;
    transition: transform 0.2s ease;
}

.footer-social-icon:hover {
    transform: translateY(-3px);
    background-color: var(--accent-color);
    box-shadow: var(--accent-glow);
}



/* Mobile Details page responsiveness */
@media (max-width: 768px) {
    .details-layout-wrapper {
        padding: 0 1rem 1.5rem 1rem;
    }
    
    .hamburger-menu-btn {
        display: flex;
    }
    
    /* Hamburger bar transitions to X */
    .hamburger-menu-btn.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger-menu-btn.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger-menu-btn.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .details-nav-links {
        position: fixed;
        top: 4.5rem;
        right: -100%;
        width: 180px;
        height: auto;
        background: rgba(8, 12, 22, 0.95);
        backdrop-filter: blur(15px);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        flex-direction: column;
        gap: 0;
        padding: 10px 0;
        box-shadow: 0 10px 25px rgba(0,0,0,0.5);
        transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 90;
    }
    
    .details-nav-links.open {
        right: 1rem;
    }
    
    .details-nav-item {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .details-nav-item:hover::after {
        display: none;
    }
    
    .details-card-section {
        padding: 1.5rem;
    }
    
    .details-card-title {
        font-size: 0.85rem;
    }
    
    .details-logo-area {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
    
    .floating-avatar-widget {
        bottom: 1.2rem;
        right: 1.2rem;
    }
    
    .avatar-bubble-trigger {
        width: 46px;
        height: 46px;
    }
}

/* ==========================================================================
   LONG PAGE FIXED COVER BACKGROUND
   ========================================================================== */

.fixed-beach-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('beach-background.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center bottom;
    z-index: 1;
    pointer-events: none;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* Main Layout: content card + standing avatar on right */
.main-card-layout-container {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
    width: 100%;
    position: relative;
    z-index: 10;
}

.main-card-layout-container .details-card-section {
    flex: 1;
    margin-bottom: 0; /* managed by container */
}

/* Right Pinned Standing Avatar sprite without circles */
.details-avatar-right-pane {
    width: 130px;
    flex-shrink: 0;
    position: sticky;
    top: 7rem;
    display: flex;
    justify-content: center;
    align-self: flex-start;
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.details-avatar-right-pane img {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 6px 15px rgba(0, 0, 0, 0.65));
}

/* Route Path Breadcrumb banner */
.breadcrumb-banner {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: rgba(10, 14, 25, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 14px;
    width: fit-content;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    position: relative;
    z-index: 10;
}

.breadcrumb-banner .path-root {
    color: var(--accent-color);
}

.breadcrumb-banner .path-node {
    color: var(--text-primary);
}

.breadcrumb-banner .path-leaf {
    color: var(--accent-color);
    text-shadow: var(--accent-glow);
}

/* Filter bars projects and lists catalog */
.projects-filter-bar {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 6px 14px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.filter-btn.active {
    background: rgba(var(--accent-color-rgb), 0.12);
    border-color: var(--accent-color);
    color: var(--accent-color);
    text-shadow: var(--accent-glow);
}

/* Badges tags */
.project-tag-badge {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.08);
    border: 1px solid rgba(var(--accent-color-rgb), 0.25);
    padding: 3px 8px;
    border-radius: 4px;
    text-shadow: var(--accent-glow);
}

.project-link-btn {
    display: inline-block;
    text-decoration: none;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent-color);
    background: rgba(var(--accent-color-rgb), 0.08);
    border: 1px solid rgba(var(--accent-color-rgb), 0.25);
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
    text-shadow: var(--accent-glow);
}

.project-link-btn:hover {
    background: var(--accent-color);
    color: #05070c;
    box-shadow: var(--accent-glow);
    text-shadow: none;
}

.project-link-btn.text {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
    text-shadow: none;
}

.project-link-btn.text:hover {
    color: var(--accent-color);
    text-shadow: var(--accent-glow);
    background: rgba(255, 255, 255, 0.02);
}

/* Specific article layouts detail */
.details-article-heading {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.25;
}

.article-content h3 {
    font-size: 1.15rem;
    margin-top: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.article-content p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Mobile responsive fixes details catalogs */
@media (max-width: 768px) {
    .main-card-layout-container {
        flex-direction: column-reverse;
        gap: 2rem;
        align-items: stretch;
    }
    
    .details-avatar-right-pane {
        align-self: center;
        width: 80px;
        position: relative;
        top: 0;
    }
    
    .details-article-heading {
        font-size: 1.45rem;
    }
}

.blog-control-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.blog-sort-select {
    background: rgba(10, 14, 25, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.blog-sort-select:hover, .blog-sort-select:focus {
    border-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 0 10px rgba(var(--accent-color-rgb), 0.15);
}

.blog-sort-select option {
    background-color: #0c101b;
    color: var(--text-secondary);
}

/* ==========================================================================
   PROFESSIONAL TIMELINE STYLES
   ========================================================================== */
.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.timeline-item {
    border-left: 2px solid var(--border-color);
    padding-left: 1.2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: var(--accent-glow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.timeline-header h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-color);
}

.timeline-org {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    margin-bottom: 0.5rem;
}

.timeline-details {
    margin: 0;
    padding-left: 1.2rem;
    list-style-type: square;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.timeline-details li {
    margin-bottom: 0.4rem;
    line-height: 1.5;
}