/* Modern Portfolio CSS - Gautam Baghel */

/* CSS Variables */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a24;
    --color-text: #e4e4e7;
    --color-text-muted: #9ca3af;
    --color-text-light: #6b7280;
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-accent: #22d3ee;
    --color-accent-secondary: #a78bfa;
    --color-gradient-start: #6366f1;
    --color-gradient-end: #22d3ee;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-card-bg: rgba(26, 26, 36, 0.8);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Cursor */
.cursor, .cursor-follower {
    display: none;
}

@media (pointer: fine) {
    .cursor {
        display: block;
        position: fixed;
        width: 8px;
        height: 8px;
        background: var(--color-primary);
        border-radius: 50%;
        pointer-events: none;
        z-index: 10001;
        transform: translate(-50%, -50%);
        transition: transform 0.1s ease, background-color 0.2s ease;
    }

    .cursor-follower {
        display: block;
        position: fixed;
        width: 32px;
        height: 32px;
        border: 1px solid var(--color-primary);
        border-radius: 50%;
        pointer-events: none;
        z-index: 10000;
        transform: translate(-50%, -50%);
        transition: transform 0.15s ease, border-color 0.2s ease, width 0.2s ease, height 0.2s ease;
    }

    .cursor.hover {
        transform: translate(-50%, -50%) scale(1.5);
        background: var(--color-accent);
    }

    .cursor-follower.hover {
        width: 48px;
        height: 48px;
        border-color: var(--color-accent);
    }
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent);
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Highlight */
.highlight {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-md);
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
    transition: width var(--transition-normal);
}

.nav-links a:hover {
    color: var(--color-text);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary-light);
    border: 2px solid var(--color-primary);
    padding: 0.75rem 1.75rem;
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* Sections */
section {
    padding: 6rem 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.title-number {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--color-primary-light);
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 3rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--color-primary-light);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 540px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.hero-social {
    display: flex;
    gap: 1.5rem;
}

.hero-social a {
    font-size: 1.4rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.hero-social a:hover {
    color: var(--color-primary-light);
    transform: translateY(-3px);
}

.hero-image {
    animation: fadeInRight 0.8s ease 0.2s forwards;
    opacity: 0;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.image-wrapper img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    position: relative;
    z-index: 2;
    filter: grayscale(20%);
    transition: filter var(--transition-normal);
}

.image-wrapper:hover img {
    filter: grayscale(0%);
}

.image-border {
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-lg);
    z-index: 1;
    transition: all var(--transition-normal);
}

.image-wrapper:hover .image-border {
    top: 15px;
    left: 15px;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-light);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
}

/* About Section */
.about {
    background: var(--color-bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.9;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-achievements {
    background: var(--color-card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-border);
}

.about-achievements h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.achievement-list {
    list-style: none;
}

.achievement-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border);
}

.achievement-list li:last-child {
    border-bottom: none;
}

.achievement-list i {
    color: var(--color-accent);
    font-size: 1rem;
}

/* Expertise Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.expertise-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

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

.card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(34, 211, 238, 0.2));
    border-radius: var(--border-radius);
    margin-bottom: 1.25rem;
}

.card-icon i {
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.expertise-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.expertise-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-tech span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

/* Projects Section */
.projects {
    background: var(--color-bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.project-card.featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.05) 100%);
    border-color: var(--color-primary);
}

.project-content {
    flex: 1;
}

.project-overline {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-primary-light);
    margin-bottom: 0.75rem;
}

.project-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.project-description {
    margin-bottom: 1.5rem;
}

.project-description p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.project-tech {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.project-tech li {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-light);
}

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

.project-links a {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.project-links a:hover {
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.project-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1.5rem;
    margin-top: auto;
    border-top: 1px solid var(--color-border);
}

.project-stats span {
    font-size: 0.85rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-stats i {
    color: var(--color-accent);
}

.projects-more {
    text-align: center;
    margin-top: 3rem;
}

/* Writing Section */
.writing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.writing-card {
    display: block;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.writing-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.writing-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(34, 211, 238, 0.2));
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.writing-icon i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.writing-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.writing-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.writing-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.writing-link i {
    transition: transform var(--transition-fast);
}

.writing-card:hover .writing-link i {
    transform: translateX(5px);
}

/* Contact Section */
.contact {
    background: var(--color-bg-secondary);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.contact-social a {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.contact-social a:hover {
    color: var(--color-primary-light);
    transform: translateY(-3px);
}

/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 0;
        opacity: 1;
    }

    .image-wrapper {
        max-width: 280px;
    }

    .hero-description {
        margin: 0 auto 2rem;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right var(--transition-normal);
        border-left: 1px solid var(--color-border);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.1rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    section {
        padding: 4rem 0;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

    .project-card.featured {
        grid-column: 1;
    }

    .about-stats {
        flex-wrap: wrap;
        gap: 2rem;
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .image-border {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero-name {
        font-size: 2.25rem;
    }

    .hero-title {
        font-size: 1.1rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .project-tech {
        gap: 0.5rem;
    }

    .project-tech li {
        font-size: 0.7rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    section {
        opacity: 1;
        transform: none;
    }

    .hero-image {
        opacity: 1;
    }
}