/* ==================== PROFESSIONAL LIGHT PORTFOLIO ==================== */
/* Modern, Clean, Professional Design */

:root {
    /* Colors - Professional Light Theme */
    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;


    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;

    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e1;

    /* Gradient Accents */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);

    --color-accent: #6366f1;
    --color-accent-light: #eef2ff;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Sizing */
    --max-width: 1200px;
    --content-width: 800px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==================== RESET & BASE ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==================== LAYOUT ==================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
}

/* ==================== TYPOGRAPHY ==================== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

/* ==================== HEADER / NAVIGATION ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition-base);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 8px 16px;
    border-radius: 9999px;
    transition: var(--transition-fast);
}

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

.nav-link.active {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 1px solid #a7f3d0;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #047857;
    margin-left: 16px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-greeting {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.hero-name {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-role {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: 32px;
    max-width: 700px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.8;
}

/* Tech Stack Pills */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: var(--transition-base);
}

.tech-pill:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.tech-pill-icon {
    width: 20px;
    height: 20px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: left;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* CTA Buttons */
.cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.highlight-card {
    padding: 24px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.highlight-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.highlight-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.highlight-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.highlight-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ==================== SKILLS SECTION ==================== */
.skills {
    background: var(--color-bg);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.skill-category {
    padding: 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.skill-category:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.skill-category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.skill-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 14px;
    background: var(--color-bg-tertiary);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

/* ==================== EXPERIENCE SECTION ==================== */
.experience {
    background: var(--color-bg-secondary);
}

.timeline {
    position: relative;
    margin-top: 48px;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -38px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border: 3px solid var(--color-bg-secondary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.timeline-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition-base);
}

.timeline-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.timeline-role {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.timeline-company {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-top: 4px;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    background: var(--color-bg-tertiary);
    padding: 6px 14px;
    border-radius: 9999px;
    font-weight: 500;
}

.timeline-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.timeline-achievements {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.timeline-achievements li {
    position: relative;
    padding-left: 20px;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.timeline-achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* ==================== PROJECTS SECTION ==================== */
.projects {
    background: var(--color-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.project-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
}

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

.project-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
}

.project-content {
    padding: 28px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.project-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tech span {
    padding: 4px 12px;
    background: var(--color-bg-tertiary);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.project-links {
    display: flex;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.project-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.project-link:hover {
    text-decoration: underline;
}

/* ==================== GARAGE / LEARNING SECTION ==================== */
.garage {
    background: var(--color-bg-secondary);
}

.garage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.garage-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition-base);
}

.garage-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.garage-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.garage-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.garage-text {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==================== BLOG SECTION ==================== */
.blog {
    background: var(--color-bg);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.blog-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition-base);
}

.blog-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.blog-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-title:hover {
    color: var(--color-accent);
}

.blog-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.blog-tags span {
    padding: 4px 12px;
    background: var(--color-bg-tertiary);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background: var(--color-bg-secondary);
}

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

.contact-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-email {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 40px;
    display: inline-block;
}

.contact-email:hover {
    opacity: 0.8;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.social-link:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

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

/* ==================== ANIMATIONS ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

.stagger-5 {
    transition-delay: 0.5s;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .section {
        padding: 80px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-stats {
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 16px;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 8px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }

    .nav.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 16px;
        text-align: left;
        font-size: 1rem;
    }

    .status-badge {
        margin: 0;
        margin-top: 16px;
    }

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

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

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

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

    .hero {
        padding-top: 100px;
    }

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

    .cta-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 60px 0;
    }

    .hero-name {
        font-size: 2.5rem;
    }

    .tech-stack {
        gap: 8px;
    }

    .tech-pill {
        padding: 8px 14px;
        font-size: 0.8rem;
    }

    .stat-value {
        font-size: 2rem;
    }

    .skill-category {
        padding: 24px;
    }

    .timeline {
        padding-left: 24px;
    }

    .timeline-dot {
        left: -30px;
        width: 12px;
        height: 12px;
    }
}