@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* --- Theme Configurations --- */
:root {
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Theme colors - Default Dark */
    --bg-primary: #090909;
    --bg-secondary: #121212;
    --bg-card: rgba(18, 18, 18, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.16);
    --text-primary: #f5f5f7;
    --text-secondary: #94a3b8;
    --text-tertiary: #475569;
    --accent-blue: #3b82f6;
    --accent-blue-glow: rgba(59, 130, 246, 0.15);
    --accent-purple: #a855f7;
    --accent-purple-glow: rgba(168, 85, 247, 0.15);
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
    --card-glow: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 255, 255, 0.06), transparent 40%);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.2);
    
    --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 12px 24px -4px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.8);
    
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #f4f4f5;
    --bg-card: rgba(255, 255, 255, 0.7);
    --border-color: rgba(9, 9, 11, 0.08);
    --border-color-hover: rgba(9, 9, 11, 0.16);
    --text-primary: #09090b;
    --text-secondary: #52525b;
    --text-tertiary: #a1a1aa;
    --accent-blue: #2563eb;
    --accent-blue-glow: rgba(37, 99, 235, 0.1);
    --accent-purple: #7c3aed;
    --accent-purple-glow: rgba(124, 58, 237, 0.1);
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --card-glow: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(0, 0, 0, 0.03), transparent 40%);
    --accent-green: #059669;
    --accent-green-glow: rgba(5, 150, 105, 0.15);

    --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 12px 24px -4px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.12);
}

/* --- Global Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Custom Selection */
::selection {
    background: var(--accent-purple-glow);
    color: var(--text-primary);
}

/* --- Background Grid & Particles --- */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
    background-color: transparent;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    background-image: 
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 80%);
    opacity: 0.4;
}

.glow-radial {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.15;
    transition: all var(--transition-slow);
}

#glow-blue {
    background: var(--accent-blue);
    top: 15%;
    right: 10%;
}

#glow-purple {
    background: var(--accent-purple);
    top: 50%;
    left: 5%;
}

/* --- Custom Cursor --- */
.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 0.2s, height 0.2s, border-color 0.2s;
    transition-timing-function: ease-out;
    display: none; /* Enabled via JS on non-touch devices */
}

.custom-cursor-dot {
    width: 4px;
    height: 4px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    display: none;
}

body:hover .custom-cursor,
body:hover .custom-cursor-dot {
    display: block;
}

.custom-cursor.hovered {
    width: 40px;
    height: 40px;
    border-color: var(--accent-blue);
    background-color: rgba(59, 130, 246, 0.05);
}

/* --- Loading Screen --- */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #050505;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.loader-container {
    width: 300px;
    text-align: left;
    font-family: var(--font-mono);
    color: var(--accent-blue);
    font-size: 0.85rem;
}

.loader-terminal-line {
    margin-bottom: 8px;
    opacity: 0;
    animation: printLine 0.2s forwards;
}

.loader-terminal-line:nth-child(1) { animation-delay: 0.1s; }
.loader-terminal-line:nth-child(2) { animation-delay: 0.4s; }
.loader-terminal-line:nth-child(3) { animation-delay: 0.7s; }
.loader-terminal-line:nth-child(4) { animation-delay: 1.0s; }

.loader-progress-bar {
    width: 100%;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    margin-top: 15px;
    overflow: hidden;
    position: relative;
}

.loader-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    animation: fillProgress 1.4s cubic-bezier(0.65, 0.05, 0.36, 1) forwards;
    animation-delay: 0.2s;
}

@keyframes printLine {
    to { opacity: 1; }
}

@keyframes fillProgress {
    to { width: 100%; }
}

/* --- Typography Utilities --- */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.mono-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-blue);
    background-color: var(--accent-blue-glow);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid rgba(59, 130, 246, 0.15);
    width: fit-content;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
}

/* --- Glassmorphic UI Card Base --- */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(168, 85, 247, 0.04);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-glow);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glass-card:hover::before {
    opacity: 1;
}

/* --- Header / Navigation --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(9, 9, 9, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-smooth), border-color var(--transition-smooth);
}

body[data-theme="light"] header {
    background: rgba(250, 250, 250, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px var(--accent-purple);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-gradient);
    transition: width var(--transition-fast);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.05);
}

.sun-icon { display: none; }
.moon-icon { display: block; }

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

/* CTAs & Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

body[data-theme="light"] .btn-primary:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: var(--border-color);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--accent-gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 14px var(--accent-blue-glow);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.3);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    padding-top: 120px;
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.hero-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-heading {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-subheading {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 580px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

/* Floating status badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    width: fit-content;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-green);
    border-radius: 50%;
    animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 var(--accent-green-glow); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-frame {
    width: 100%;
    max-width: 460px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    background-color: #0e0e0e;
    position: relative;
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform var(--transition-smooth);
}

.hero-image-frame:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-image-frame img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0.85;
    transition: opacity var(--transition-smooth);
}

.hero-image-frame:hover img {
    opacity: 1;
}

.hero-terminal-bar {
    height: 28px;
    background-color: #161616;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 6px;
}

.terminal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.terminal-dot.red { background-color: #ff5f56; }
.terminal-dot.yellow { background-color: #ffbd2e; }
.terminal-dot.green { background-color: #27c93f; }

.terminal-title {
    font-family: var(--font-mono);
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-left: auto;
    margin-right: auto;
}

/* --- Section Container Base --- */
.section {
    padding: 100px 0;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 600px;
    font-size: 1.05rem;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-quote {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    font-family: var(--font-heading);
    color: var(--text-primary);
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-info-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-info-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.about-info-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.about-info-icon {
    font-size: 1.5rem;
    color: var(--accent-purple);
}

/* --- Experience Section --- */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.experience-item {
    padding: 32px;
}

.experience-header-layout {
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.experience-company-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.logo-saral {
    background-color: #111111;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.logo-inner-s {
    border-top: 3px solid #ffffff;
    border-right: 3px solid #ffffff;
    transform: rotate(45deg);
    width: 12px;
    height: 12px;
    margin-right: 3px;
    margin-top: 3px;
}

body[data-theme="light"] .logo-saral {
    background-color: #fafafa;
    border: 1px solid rgba(0, 0, 0, 0.15);
}
body[data-theme="light"] .logo-inner-s {
    border-top: 3px solid #09090b;
    border-right: 3px solid #09090b;
}

.logo-metry {
    background: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.logo-inner-m {
    border-left: 3px solid #ffffff;
    border-right: 3px solid #ffffff;
    border-top: 3px solid #ffffff;
    border-radius: 2px 2px 0 0;
    width: 14px;
    height: 14px;
    position: relative;
}

.logo-inner-m::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background-color: #ffffff;
}

.experience-meta {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.experience-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.experience-role {
    font-size: 1.25rem;
    font-weight: 700;
}

.experience-duration {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-purple);
}

.experience-row-sub {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 6px;
    font-size: 0.9rem;
}

.experience-company {
    font-weight: 600;
    color: var(--text-primary);
}

.experience-location {
    color: var(--text-secondary);
}

.experience-bullets {
    margin-top: 20px;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.experience-bullets li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.experience-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.skills-category-card {
    padding: 32px;
}

.skills-category-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.skills-category-title i {
    color: var(--accent-blue);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: default;
}

.skill-tag:hover {
    border-color: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-purple-glow);
    background-color: var(--bg-primary);
}

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-img-container {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    background-color: #080808;
}

.project-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform var(--transition-smooth);
}

.project-card:hover .project-img-container img {
    transform: scale(1.05);
}

.project-info {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 16px;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 6px;
}

body[data-theme="light"] .project-tag {
    background-color: rgba(0, 0, 0, 0.02);
}

.project-links {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.project-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}

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

/* --- Timeline Section --- */
.timeline-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-blue) 0%, var(--accent-purple) 50%, var(--border-color) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    top: 30px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 3px solid var(--accent-purple);
    z-index: 2;
    box-shadow: 0 0 10px var(--accent-purple);
    transition: transform var(--transition-fast);
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-blue);
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
}

.timeline-card {
    padding: 24px;
    display: inline-block;
    text-align: left;
    max-width: 100%;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-purple);
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-item:nth-child(even) .timeline-date {
    color: var(--accent-blue);
}

.timeline-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.timeline-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Why Work With Me Section --- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
}

.why-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-color: var(--accent-blue-glow);
    color: var(--accent-blue);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
}

.why-card:nth-child(even) .why-card-icon {
    background-color: var(--accent-purple-glow);
    color: var(--accent-purple);
}

.why-card-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.why-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Stats Section --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    padding: 40px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* --- Testimonials Section --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
}

.testimonial-quote {
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-primary);
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    position: absolute;
    left: -12px;
    top: -10px;
    font-size: 2.5rem;
    color: var(--accent-purple);
    opacity: 0.25;
    font-family: Georgia, serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-details {
    display: flex;
    flex-direction: column;
}

.testimonial-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-role {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* --- Contact Section --- */
.contact-layout {
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    padding: 60px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.contact-left {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-title {
    font-size: 2.2rem;
    font-weight: 700;
}

.contact-desc {
    color: var(--text-secondary);
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    list-style: none;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.contact-info-item a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-info-item a:hover {
    color: var(--accent-blue);
}

.contact-info-item:hover .contact-info-icon {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-blue-glow);
}

.contact-right {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

body[data-theme="light"] .contact-right {
    background-color: rgba(0, 0, 0, 0.01);
}

.availability-card-title {
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.availability-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
}

.availability-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.availability-item i {
    color: var(--accent-green);
    font-size: 0.8rem;
}

/* --- Footer --- */
footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
    background-color: var(--bg-primary);
}

.footer-text {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* --- Floating AI Assistant Widget --- */
#ai-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.ai-toggle-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    transition: all var(--transition-smooth);
    position: relative;
}

.ai-toggle-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(168, 85, 247, 0.6);
}

.ai-toggle-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.6);
    animation: buttonPulse 2s infinite;
}

@keyframes buttonPulse {
    0% { box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.6); }
    70% { box-shadow: 0 0 0 12px rgba(168, 85, 247, 0); }
    100% { box-shadow: 0 0 0 0 rgba(168, 85, 247, 0); }
}

.ai-chat-window {
    width: 360px;
    height: 480px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-smooth);
}

#ai-widget.open .ai-chat-window {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: all;
}

#ai-widget.open .ai-toggle-btn {
    transform: rotate(135deg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

#ai-widget.open .ai-toggle-btn::after {
    display: none;
}

.ai-chat-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.ai-chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 0.9rem;
}

.ai-chat-meta {
    display: flex;
    flex-direction: column;
}

.ai-chat-title {
    font-size: 0.9rem;
    font-weight: 700;
}

.ai-chat-status {
    font-size: 0.75rem;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 4px;
}

.ai-chat-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

.chat-message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.chat-message.system {
    align-self: flex-start;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border-color);
}

.chat-message.user {
    align-self: flex-end;
    background: var(--accent-gradient);
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-chat-options {
    padding: 0 20px 10px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chat-option-btn {
    font-family: var(--font-body);
    font-size: 0.75rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-option-btn:hover {
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.ai-chat-input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.ai-chat-input {
    flex-grow: 1;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    padding: 10px 16px;
    border-radius: 8px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.ai-chat-input:focus {
    border-color: var(--accent-purple);
}

.ai-chat-send {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-chat-send:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    background-color: rgba(168, 85, 247, 0.05);
}

/* Typing indicator dot animation */
.typing-dots {
    display: flex;
    gap: 4px;
    align-items: center;
    height: 12px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typingPulse 1s infinite alternate;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
    from { opacity: 0.3; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1.1); }
}

/* --- Reveal Scroll Animation Trigger Class --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsiveness Media Queries --- */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .hero-left {
        align-items: center;
    }
    
    .hero-subheading {
        margin: 0 auto;
    }
    
    .hero-right {
        order: -1;
    }
    
    .hero-image-frame {
        transform: none !important;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        grid-template-columns: 1fr;
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .experience-header-layout {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .experience-row {
        flex-direction: column;
        gap: 4px;
    }
    
    .experience-row-sub {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .hero-heading {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 73px;
        left: 0;
        width: 100%;
        height: calc(100vh - 73px);
        background-color: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transform: translateX(100%);
        transition: transform var(--transition-smooth);
        padding-bottom: 80px;
    }
    
    .nav-links.open {
        transform: translateX(0);
    }
    
    .timeline-line {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
        text-align: left !important;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-dot {
        left: 22px !important;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    #ai-widget {
        bottom: 20px;
        right: 20px;
    }
    
    .ai-chat-window {
        width: calc(100vw - 40px);
        height: 400px;
    }
}

@media (max-width: 480px) {
    .hero-heading {
        font-size: 2.3rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}