/* Design System and Variables */
:root {
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Common Accent Colors */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-pink: #ec4899;
    
    /* Dynamic Gradients */
    --gradient-blue-purple: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    --gradient-cyan-blue: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
    --gradient-coral-pink: linear-gradient(135deg, #f97316 0%, var(--accent-pink) 100%);
    --gradient-purple-red: linear-gradient(135deg, var(--accent-purple) 0%, #ef4444 100%);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --bg-primary: #0a0814;
    --bg-secondary: #110e24;
    --bg-card: rgba(22, 18, 44, 0.5);
    --bg-navbar: rgba(10, 8, 20, 0.75);
    --text-primary: #f3f1f9;
    --text-secondary: #a09cb4;
    --border-color: rgba(255, 255, 255, 0.08);
    --input-focus-border: rgba(139, 92, 246, 0.5);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --shadow-glow: rgba(139, 92, 246, 0.15);
    --grid-color: rgba(255, 255, 255, 0.02);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-navbar: rgba(248, 250, 252, 0.75);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: rgba(15, 23, 42, 0.08);
    --input-focus-border: rgba(59, 130, 246, 0.5);
    --shadow-color: rgba(15, 23, 42, 0.04);
    --shadow-glow: rgba(59, 130, 246, 0.08);
    --grid-color: rgba(15, 23, 42, 0.02);
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-purple) var(--bg-primary);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, textarea {
    font-family: inherit;
}

/* Interactive Background Grid */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    z-index: -2;
    pointer-events: none;
}

/* Dynamic Cursor Spotlight */
.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, rgba(59, 130, 246, 0.04) 40%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

[data-theme="light"] .bg-glow {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.02) 40%, transparent 70%);
}

/* Custom Cursor (Visible on desktops) */
.custom-cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-purple);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.15s ease-out, height 0.15s ease-out, border-color var(--transition-fast);
    mix-blend-mode: difference;
    display: none;
}

@media (pointer: fine) {
    .custom-cursor {
        display: block;
    }
}

.custom-cursor.hover {
    width: 35px;
    height: 35px;
    background-color: rgba(139, 92, 246, 0.1);
    border-color: var(--accent-cyan);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-navbar);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.navbar.nav-scrolled {
    box-shadow: 0 10px 30px var(--shadow-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.logo-bracket {
    color: var(--accent-purple);
    transition: color var(--transition-fast);
}

.logo-text {
    background: var(--gradient-blue-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-logo:hover .logo-bracket {
    color: var(--accent-cyan);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-blue-purple);
    transition: width var(--transition-normal);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    border-color: var(--accent-purple);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-slow);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-blue-purple);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 20px var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-glow);
}

.btn-primary svg {
    transition: transform var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translate(2px, -2px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    border-color: var(--accent-purple);
    background-color: var(--bg-secondary);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    padding-top: 100px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.highlight-text {
    background: var(--gradient-blue-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.typing-container {
    font-size: clamp(1.1rem, 2.5vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    color: var(--text-secondary);
}

.typing-static {
    white-space: nowrap;
    margin-right: 0.25rem;
}

.typing-dynamic {
    color: var(--accent-purple);
}

.typing-cursor {
    animation: blink-cursor 0.75s infinite alternate;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* Profile Image Container */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.image-wrapper-outer {
    position: relative;
    padding: 0;
    border-radius: 50%;
    background: none;
    box-shadow: none;
    transition: transform var(--transition-normal);
}

.image-wrapper-inner {
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    width: 300px;
    height: 300px;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 54% 18%;
    transform: scale(1.65);
    transform-origin: 54% 18%;
    transition: transform var(--transition-slow);
}

.image-wrapper-outer:hover .profile-image {
    transform: scale(1.75);
}

.image-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 30%, rgba(139, 92, 246, 0.25) 100%);
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 5.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 10;
}

.mouse-wheel-container {
    width: 28px;
    height: 48px;
    border: 2px solid var(--text-secondary);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--accent-purple);
    border-radius: var(--radius-full);
    animation: scroll-wheel 1.5s infinite;
}

/* Section Header Styles */
.section-padding {
    padding: 7rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-purple);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.header-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-blue-purple);
    border-radius: var(--radius-full);
}

/* About Section */
.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: flex-start;
}

.about-heading {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.about-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background: var(--gradient-blue-purple);
    border-radius: var(--radius-full);
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
    white-space: pre-line;
    line-height: 1.5;
    text-align: justify;
}

/* Core Focus Card styling */
.about-focus-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: 0 15px 35px var(--shadow-color);
}

.focus-bullets {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.focus-bullet-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.bullet-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bullet-icon svg {
    width: 26px;
    height: 26px;
    color: var(--accent-purple);
    margin-top: 0.15rem;
}

.bullet-content strong {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.25rem;
}

.bullet-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Education Layout (Restructured as a horizontal grid) */
.education-section-wrapper {
    max-width: 1200px;
    margin: 4.5rem auto 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 3.5rem;
}

.education-section-heading {
    text-align: center;
    margin-bottom: 2.5rem;
}

.education-section-heading::after {
    left: 50%;
    transform: translateX(-50%);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.education-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.education-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: 0 15px 30px var(--shadow-glow);
}

.edu-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 1rem;
}

.edu-duration {
    font-size: 0.8rem;
    background-color: rgba(139, 92, 246, 0.08);
    color: var(--accent-purple);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.edu-gpa-badge {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    background-color: rgba(6, 182, 212, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}

.edu-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.edu-degree {
    font-size: 1.1rem;
    font-weight: 800;
    line-height: 1.4;
    color: var(--text-primary);
}

.edu-inst {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    font-weight: 500;
}

.edu-inst svg {
    margin-top: 0.15rem;
    flex-shrink: 0;
    color: var(--text-secondary);
}

/* Skills Section */
.skills-category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.skill-tab-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.skill-tab-btn.active, .skill-tab-btn:hover {
    background: var(--gradient-blue-purple);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 15px var(--shadow-glow);
}

.skills-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.skill-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.skill-percent {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-purple);
}

.skill-progress-outer {
    height: 6px;
    background-color: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-progress-inner {
    height: 100%;
    background: var(--gradient-blue-purple);
    border-radius: var(--radius-full);
    width: 0; /* Dynamic loading */
    transition: width 1.2s cubic-bezier(0.1, 0.8, 0.3, 1);
}

/* Projects Section */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--gradient-blue-purple);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 15px var(--shadow-glow);
}

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.75rem;
}

.project-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-purple);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.project-card:hover .project-click-hint {
    color: var(--accent-purple) !important;
}

.project-banner {
    height: 180px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Visual themes for project cards */
.project-banner.gradient-blue-purple { background: var(--gradient-blue-purple); }
.project-banner.gradient-cyan-blue { background: var(--gradient-cyan-blue); }
.project-banner.gradient-coral-pink { background: var(--gradient-coral-pink); }
.project-banner.gradient-purple-red { background: var(--gradient-purple-red); }

.project-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 8, 20, 0.4);
}

.project-banner-overlay {
    position: absolute;
    z-index: 2;
    color: #ffffff;
    text-align: center;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.project-card:hover .project-banner-overlay {
    transform: scale(1);
}

.project-banner-overlay svg {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.project-details {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-purple);
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag-badge {
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.project-links {
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.proj-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.proj-link:hover {
    color: var(--accent-purple);
}

.proj-link svg {
    width: 16px;
    height: 16px;
}

/* Experience Section (Zig-Zag Journey Timeline) */
.experience-timeline-journey {
    position: relative;
    max-width: 1000px;
    margin: 4.5rem auto 0 auto;
    padding: 2rem 0;
}

/* SVG Canvas */
.timeline-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.experience-journey-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* Timeline Item (Row) */
.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

/* Center circle marker on outer edges */
.timeline-icon-circle {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 3px solid var(--accent-purple);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--shadow-glow);
    z-index: 10;
    flex-shrink: 0;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.timeline-icon-circle svg {
    width: 22px;
    height: 22px;
    color: var(--text-primary);
    transition: transform var(--transition-fast);
}

/* Alternate circle border colors matching screenshot */
.timeline-item:nth-child(8n+1) .timeline-icon-circle { border-color: #8b5cf6; } /* purple */
.timeline-item:nth-child(8n+2) .timeline-icon-circle { border-color: #3b82f6; } /* blue */
.timeline-item:nth-child(8n+3) .timeline-icon-circle { border-color: #22c55e; } /* green */
.timeline-item:nth-child(8n+4) .timeline-icon-circle { border-color: #eab308; } /* yellow */
.timeline-item:nth-child(8n+5) .timeline-icon-circle { border-color: #ec4899; } /* pink */
.timeline-item:nth-child(8n+6) .timeline-icon-circle { border-color: #06b6d4; } /* cyan */
.timeline-item:nth-child(8n+7) .timeline-icon-circle { border-color: #ef4444; } /* red */
.timeline-item:nth-child(8n+8) .timeline-icon-circle { border-color: #f97316; } /* orange */

/* Left / Right alignment */
.timeline-item.left {
    flex-direction: row;
    justify-content: flex-start;
}

.timeline-item.right {
    flex-direction: row-reverse;
    justify-content: flex-start;
}

/* Inner Card adjacent to circle */
.timeline-card {
    width: 440px;
    margin: 0 2.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.6rem;
    cursor: pointer;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    line-height: 1.5;
}

.timeline-card::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border-style: solid;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Arrow points towards circle */
.timeline-item.left .timeline-card::after {
    left: -10px;
    border-width: 8px 10px 8px 0;
    border-color: transparent var(--border-color) transparent transparent;
}

.timeline-item.right .timeline-card::after {
    right: -10px;
    border-width: 8px 0 8px 10px;
    border-color: transparent transparent transparent var(--border-color);
}

.timeline-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: 0 15px 35px var(--shadow-glow);
}

.timeline-card:hover + .timeline-icon-circle, 
.timeline-item:hover .timeline-icon-circle {
    transform: translate(-50%, -50%) scale(1.15);
    border-color: var(--accent-cyan);
}

.timeline-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.timeline-role {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.4rem 0;
    line-height: 1.35;
}

.timeline-company {
    color: var(--accent-purple);
    font-weight: 600;
    font-size: 0.92rem;
    line-height: 1.55;
    margin-bottom: 0.6rem;
}

.timeline-duration {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}

.timeline-snippet {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.timeline-click-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-cyan);
    transition: color var(--transition-fast);
    margin-top: 0.2rem;
}

.timeline-card:hover .timeline-click-hint {
    color: var(--accent-purple);
}

/* Experience Modal Layout */
.exp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.exp-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.exp-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 8, 20, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.exp-modal-content {
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 680px;
    padding: 3rem;
    z-index: 10;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
}

.exp-modal.active .exp-modal-content {
    transform: scale(1);
}

.exp-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-fast);
}

.exp-modal-close:hover {
    color: #ffffff;
    border-color: var(--accent-purple);
    transform: rotate(90deg);
}

.exp-modal-body h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.exp-modal-body .modal-company {
    font-size: 1.15rem;
    color: var(--accent-purple);
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

.exp-modal-body .modal-duration {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    margin-bottom: 2rem;
}

.exp-modal-body h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.exp-modal-body ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.exp-modal-body ul li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.exp-modal-body ul li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    font-size: 0.85rem;
}

/* Helper Text in Section Header */
.section-helper-text {
    font-size: 0.95rem;
    color: var(--accent-cyan);
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Certifications Section */
.certifications-container {
    max-width: 1200px;
    margin: 0 auto;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.certification-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.certification-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
}

.cert-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.cert-icon-wrapper svg {
    width: 22px;
    height: 22px;
}

.cert-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cert-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
}

.cert-metadata {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.cert-issuer {
    color: var(--accent-purple);
    font-weight: 600;
}

.cert-separator {
    color: var(--border-color);
}

.cert-id {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.cert-id code {
    background-color: var(--bg-secondary);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    color: var(--accent-cyan);
}

/* Contact Section */
.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 6rem;
}

.contact-heading {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    background: var(--gradient-blue-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-intro {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 3.5rem;
}

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

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-info-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--accent-purple);
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.contact-info-item:hover .contact-info-icon {
    transform: translateY(-3px);
    border-color: var(--accent-purple);
    color: var(--accent-cyan);
}

.contact-info-icon svg {
    width: 22px;
    height: 22px;
}

.contact-info-content {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    font-weight: 700;
}

.info-value {
    font-size: 1.05rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

a.info-value:hover {
    color: var(--accent-purple);
}

.contact-form-wrapper {
    position: relative;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 45px var(--shadow-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: opacity var(--transition-normal);
}

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

.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.form-group input, .form-group textarea {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.25rem;
    color: var(--text-primary);
    outline: none;
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px var(--shadow-glow);
}

.btn-submit {
    border: none;
    width: 100%;
    margin-top: 1rem;
    padding: 0.95rem;
}

/* Form Success UI */
.form-success-message {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.form-success-message.visible {
    opacity: 1;
    pointer-events: auto;
}

.contact-form.hidden {
    opacity: 0;
    pointer-events: none;
}

.success-icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background-color: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.success-icon-wrapper svg {
    width: 36px;
    height: 36px;
}

.form-success-message h3 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.form-success-message p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 320px;
}

/* Footer (Shorter and Fixed Below) */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    padding: 0.4rem 2rem;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0.96;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.footer-brand .logo-text {
    background: var(--gradient-blue-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-copyright {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.footer-socials {
    display: flex;
    gap: 0.5rem;
}

.social-icon-link {
    width: 28px;
    height: 28px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
    transition: color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.social-icon-link:hover {
    color: #ffffff;
    border-color: var(--accent-purple);
    background: var(--gradient-blue-purple);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-glow);
}

.social-icon-link svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.social-icon-link:hover svg {
    transform: scale(1.1);
}

/* Keyframe Animations */
@keyframes pulse-dot {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

@keyframes blink-cursor {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
    100% { transform: translateY(0); opacity: 1; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding-top: 2rem;
    }

    .hero-content {
        align-items: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .scroll-indicator {
        display: none !important;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 5rem 1.5rem;
    }

    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem) !important;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
        transform: translateY(-120%);
        transition: transform var(--transition-normal), visibility var(--transition-normal);
        z-index: 999;
        box-shadow: 0 15px 30px var(--shadow-color);
        visibility: hidden;
        pointer-events: none;
    }

    .nav-menu.mobile-open {
        transform: translateY(0);
        visibility: visible;
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Animate Menu Toggle Hamburger */
    .mobile-menu-toggle.mobile-open .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .mobile-menu-toggle.mobile-open .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.mobile-open .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .education-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Mobile Experience Timeline Overrides */
    #timeline-svg {
        display: none !important;
    }

    .experience-timeline-journey {
        padding: 0.5rem 0;
    }

    .experience-journey-container {
        gap: 1.5rem;
    }

    .timeline-item.left, 
    .timeline-item.right {
        flex-direction: column !important;
        align-items: stretch !important;
        width: 100% !important;
        margin: 0 !important;
        gap: 0 !important;
    }

    .timeline-card {
        width: 100% !important;
        margin: 0 !important;
        padding: 1.35rem 1.5rem !important;
        border-left: 4px solid var(--accent-purple) !important;
        background: var(--bg-card) !important;
        border-radius: var(--radius-md) !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
    }

    .timeline-icon-circle {
        display: none !important;
    }

    .timeline-card::after {
        display: none !important;
    }

    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }

    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* SPA Section Toggling */
main section:not(.active-section) {
    display: none !important;
}

main section.active-section {
    padding-bottom: 120px !important; /* space to clear fixed footer */
}

/* ==========================================
   Chatbot Widget Styling
   ========================================== */

:root {
    --chat-bg: #0f172a;
    --chat-border: rgba(255, 255, 255, 0.12);
    --chat-primary: var(--accent-purple, #8b5cf6);
    --chat-secondary: var(--accent-cyan, #06b6d4);
    --chat-user-msg: linear-gradient(135deg, var(--accent-purple, #8b5cf6), #6d28d9);
    --chat-bot-msg: rgba(255, 255, 255, 0.07);
    --chat-header-bg: rgba(15, 23, 42, 0.95);
    --chat-input-bg: rgba(255, 255, 255, 0.05);
    --chat-suggestions-bg: rgba(15, 23, 42, 0.8);
    --chat-chip-bg: rgba(255, 255, 255, 0.06);
    --chat-text: #f8fafc;
    --chat-text-muted: #94a3b8;
}

[data-theme="light"] {
    --chat-bg: #ffffff;
    --chat-border: rgba(139, 92, 246, 0.25);
    --chat-bot-msg: #f1f5f9;
    --chat-header-bg: #f8fafc;
    --chat-input-bg: #f8fafc;
    --chat-suggestions-bg: #f8fafc;
    --chat-chip-bg: #ffffff;
    --chat-text: #0f172a;
    --chat-text-muted: #475569;
}

/* Chatbot Floating Widget */
.chatbot-widget {
    position: fixed;
    bottom: 48px; /* Positioned just above the fixed footer (8px spacing) */
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Chat Bubble Trigger */
.chat-bubble-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--chat-primary), var(--chat-secondary));
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4), 0 0 0 0px rgba(139, 92, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    position: relative;
}

.chat-bubble-trigger:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.5), 0 0 0 10px rgba(139, 92, 246, 0);
}

.chat-bubble-trigger:active {
    transform: scale(0.95);
}

.chat-bubble-trigger svg {
    transition: transform 0.3s ease;
}

.chat-bubble-trigger.active svg {
    transform: rotate(90deg) scale(0.8);
}

/* Notification Badge */
.chat-notification-badge {
    position: absolute;
    top: -3px;
    right: -3px;
    background-color: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-primary, #090d16);
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* Chat Window Container */
.chat-window {
    width: 380px;
    height: 520px;
    border-radius: 20px;
    background: var(--chat-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--chat-border);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(30px) scale(0.9);
    opacity: 0;
    pointer-events: none;
    transform-origin: bottom right;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.chat-window.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

/* Chat Header */
.chat-header {
    padding: 1rem 1.25rem;
    background: var(--chat-header-bg);
    border-bottom: 1px solid var(--chat-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-avatar-status {
    position: relative;
    display: flex;
}

.chat-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--chat-primary), var(--chat-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.76rem;
    font-weight: 800;
    color: #ffffff;
    border: 1px solid var(--chat-border);
    letter-spacing: 0.05em;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

.status-dot {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--chat-bg);
}

.status-dot.online {
    background-color: #22c55e;
}

.chat-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--chat-text);
    margin: 0;
}

.chat-subtitle {
    font-size: 0.75rem;
    color: var(--chat-text-muted);
    display: block;
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.chat-refresh-btn, .chat-close-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--chat-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    border-radius: 50%;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.chat-refresh-btn:hover, .chat-close-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--chat-text);
}

.chat-refresh-btn svg {
    transition: transform 0.4s ease;
}

.chat-refresh-btn:hover svg {
    transform: rotate(180deg);
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    padding: 1.25rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scroll-behavior: smooth;
}

/* Custom Scrollbar for messages */
.chat-messages::-webkit-scrollbar {
    width: 5px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Message Bubble layout */
.message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
    animation: message-pop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes message-pop {
    0% { transform: translateY(10px) scale(0.95); opacity: 0; }
    100% { transform: translateY(0) scale(1); opacity: 1; }
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
}

.message-bubble {
    padding: 0.75rem 1rem;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.45;
    word-break: break-word;
}

.bot-message .message-bubble {
    background-color: var(--chat-bot-msg);
    color: var(--chat-text);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--chat-border);
}

.user-message .message-bubble {
    background: var(--chat-user-msg);
    color: #ffffff;
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 0.7rem;
    color: var(--chat-text-muted);
    margin-top: 0.25rem;
    align-self: flex-start;
    padding: 0 4px;
}

.user-message .message-time {
    align-self: flex-end;
}

/* Message Bubble formatting styles (for code/lists in responses) */
.message-bubble p {
    margin: 0 0 0.5rem 0;
}
.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble ul, .message-bubble ol {
    margin: 0.25rem 0 0.5rem 1.2rem;
    padding: 0;
}

.message-bubble li {
    margin-bottom: 0.25rem;
}

.message-bubble code {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 5px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
}

.message-bubble a {
    color: var(--chat-secondary);
    text-decoration: underline;
}

/* Chat Input Form */
.chat-input-form {
    padding: 0.75rem 1rem;
    background: var(--chat-header-bg);
    border-top: 1px solid var(--chat-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-input-form input {
    flex: 1;
    background: var(--chat-input-bg);
    border: 1px solid var(--chat-border);
    border-radius: 12px;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    color: var(--chat-text);
    outline: none;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.chat-input-form input:focus {
    border-color: var(--chat-primary);
    background: var(--chat-bg);
}

.chat-send-btn {
    background: var(--chat-primary);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: #7c3aed;
    transform: scale(1.05);
}

.chat-send-btn:active {
    transform: scale(0.95);
}

/* Chat Settings / Clear Buttons */
.chat-window-footer {
    padding: 0.4rem 1rem;
    background: rgba(0, 0, 0, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--chat-border);
}

.chat-clear-btn, .chat-settings-btn {
    background: transparent;
    border: none;
    color: var(--chat-text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: 2px 6px;
    border-radius: 4px;
}

.chat-clear-btn:hover, .chat-settings-btn:hover {
    color: var(--chat-text);
    background: rgba(255, 255, 255, 0.05);
}

/* API Key Overlay Screen */
.chat-api-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(9, 13, 22, 0.92);
    backdrop-filter: blur(10px);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 1.5rem;
}

.chat-api-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.chat-api-content {
    text-align: center;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.api-icon {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    animation: float 3s ease-in-out infinite;
}

.chat-api-content h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--chat-text);
}

.chat-api-content p {
    font-size: 0.82rem;
    color: var(--chat-text-muted);
    line-height: 1.45;
    margin: 0 0 0.5rem 0;
}

.api-key-input-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: 0.5rem;
}

.api-key-input-wrapper input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--chat-border);
    border-radius: 10px;
    padding: 0.6rem 2.5rem 0.6rem 0.85rem;
    font-size: 0.85rem;
    color: var(--chat-text);
    outline: none;
}

.api-key-input-wrapper input:focus {
    border-color: var(--chat-primary);
}

.api-key-toggle-visibility {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--chat-text-muted);
}

.get-key-link {
    font-size: 0.78rem;
    color: var(--chat-secondary);
    text-decoration: underline;
    margin-bottom: 0.75rem;
}

.btn-save-api {
    width: 100%;
    padding: 0.65rem !important;
    font-size: 0.88rem !important;
    font-weight: 700;
}

/* Bouncing Typing Animation */
.typing-dots {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px;
    height: 18px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background-color: var(--chat-text-muted);
    border-radius: 50%;
    animation: typing-bounce 1.3s infinite ease-in-out;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.15s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

/* Floating animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}

/* Quick reply suggestions bar */
.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 0.8rem;
    background: var(--chat-suggestions-bg);
    border-top: 1px solid var(--chat-border);
}

.suggestion-chip {
    flex-shrink: 0;
    background: var(--chat-chip-bg);
    border: 1px solid var(--chat-border);
    color: var(--chat-text-muted);
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    font-size: 0.74rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.04);
    transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.suggestion-chip:hover {
    background: var(--chat-user-msg);
    border-color: transparent;
    color: #ffffff;
    transform: translateY(-1px);
}

.suggestion-chip:active {
    transform: translateY(0) scale(0.96);
}

/* Touch Action Optimizations for Mobile */
button, a, input, select, textarea, .suggestion-chip, .filter-btn, .skill-tab-btn, .chat-bubble-trigger {
    touch-action: manipulation;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .chatbot-widget {
        bottom: 25px;
        right: 20px;
    }
    
    .chat-window {
        position: fixed !important;
        top: 12px !important;
        bottom: 12px !important;
        left: 12px !important;
        right: 12px !important;
        width: auto !important;
        height: auto !important;
        max-width: none !important;
        border-radius: 24px !important;
        margin-bottom: 0 !important;
        z-index: 10005 !important;
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4) !important;
    }

    .chatbot-widget:has(.chat-window.open) .chat-bubble-trigger,
    .chat-bubble-trigger.active {
        opacity: 0 !important;
        pointer-events: none !important;
        transform: scale(0) !important;
    }

    .footer {
        position: relative !important;
        margin-top: 2rem;
    }

    main section.active-section {
        padding-bottom: 40px !important;
    }
}