/* ============================================
   DESIGN SYSTEM — Dark Portfolio Theme
   Inspired by akintunde-solarin-portfolio
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
    --background: hsl(240, 10%, 4%);
    --foreground: hsl(240, 7%, 97%);
    --card: hsl(240, 7%, 7%);
    --card-foreground: hsl(240, 7%, 97%);
    --primary: hsl(244, 94%, 69%);
    --primary-rgb: 108, 99, 255;
    --secondary: hsl(164, 100%, 42%);
    --secondary-rgb: 0, 214, 170;
    --muted: hsl(240, 5%, 15%);
    --muted-foreground: hsl(240, 5%, 65%);
    --border: hsl(240, 5%, 18%);
    --surface: hsl(240, 7%, 10%);
    --card-bg: hsla(240, 7%, 7%, 0.6);
    --radius: 0.75rem;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* --- Light Theme Variables --- */
.light-theme {
    --background: hsl(0, 0%, 98%);
    --foreground: hsl(240, 10%, 10%);
    --card: hsl(0, 0%, 100%);
    --card-foreground: hsl(240, 10%, 15%);
    --primary: hsl(244, 94%, 55%);
    --primary-rgb: 76, 62, 226;
    --secondary: hsl(164, 100%, 30%);
    --secondary-rgb: 0, 153, 122;
    --muted: hsl(240, 5%, 90%);
    --muted-foreground: hsl(240, 5%, 35%);
    --border: hsl(240, 5%, 85%);
    --surface: hsl(240, 5%, 95%);
    --card-bg: rgba(255, 255, 255, 0.7);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* --- Utility Classes --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.shimmer-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 3s ease-in-out forwards;
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.light-theme .glass-card {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-label::before {
    content: '';
    display: inline-block;
    width: 2rem;
    height: 2px;
    background: var(--primary);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    color: var(--muted-foreground);
    font-size: 1.1rem;
    max-width: 600px;
    line-height: 1.7;
}

/* --- Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: hsla(240, 10%, 4%, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.nav-links a {
    font-size: 0.9rem;
    color: var(--muted-foreground);
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--foreground);
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.theme-toggle:hover {
    background: var(--muted);
    border-color: var(--primary);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

.light-theme .theme-toggle .sun-icon {
    display: block;
}

.light-theme .theme-toggle .moon-icon {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--foreground);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay Improvements */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--background);
    z-index: 999;
    padding: 6rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--muted-foreground);
    transition: color 0.2s ease;
}

.mobile-nav a:hover {
    color: var(--primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 5rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    animation: floatBlob 8s ease-in-out infinite alternate;
}

.hero-blob-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.hero-blob-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -10%;
    left: -5%;
    animation-delay: -4s;
}

.hero-blob-3 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.15;
    animation-delay: -2s;
}

@keyframes floatBlob {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -30px) scale(1.1); }
}

/* Grid pattern overlay */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
}

/* Availability Badge */
.availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background: hsla(var(--primary-rgb), 0.1);
    border: 1px solid hsla(var(--primary-rgb), 0.2);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2rem;
}

.light-theme .availability-badge {
    background: hsla(var(--primary-rgb), 0.05);
}

.pulse-icon {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    position: relative;
}

.pulse-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--secondary);
    border-radius: 50%;
    opacity: 0.4;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    100% { transform: scale(2.5); opacity: 0; }
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.hero-name {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
    min-height: 2.5rem;
}

.hero-title .typed-text {
    color: var(--secondary);
    font-weight: 600;
}

.hero-title .cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--secondary);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--muted-foreground);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:hover {
    transform: scale(1.03);
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 0 20px -5px rgba(var(--primary-rgb), 0.5);
}

.btn-primary:hover {
    box-shadow: 0 0 30px -5px rgba(var(--primary-rgb), 0.7);
}

.btn-outline {
    background: transparent;
    color: var(--foreground);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: hsla(244, 94%, 69%, 0.1);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted-foreground);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounceDown 2s ease-in-out infinite;
}

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

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    max-width: 350px;
    margin: 0 auto;
}

.about-image-frame {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: 1rem;
    overflow: hidden;
    border: 2px solid var(--border);
}

.about-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-glow {
    position: absolute;
    inset: -1px;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    z-index: -1;
    opacity: 0.3;
    filter: blur(20px);
}

.about-text p {
    color: var(--muted-foreground);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.highlight-card {
    text-align: center;
    padding: 1.5rem 1rem;
}

.highlight-card .number {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.highlight-card .label {
    font-size: 0.85rem;
    color: var(--muted-foreground);
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience-timeline {
    position: relative;
    padding-left: 2rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--background);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.3);
}

.timeline-card {
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.timeline-card:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 0 30px -10px rgba(var(--primary-rgb), 0.2);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.timeline-role {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.timeline-company {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--muted-foreground);
    font-size: 0.95rem;
    line-height: 1.7;
}

.timeline-description li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
}

.timeline-description li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

.project-card {
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--primary-rgb), 0.4);
    box-shadow: 0 0 40px -10px rgba(var(--primary-rgb), 0.3);
}

.project-image {
    width: 100%;
    height: 200px;
    background: var(--surface);
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--secondary-rgb), 0.1));
    font-size: 3rem;
}

.project-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.project-desc {
    color: var(--muted-foreground);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    flex: 1;
}

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

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.tech-tag:hover {
    border-color: rgba(var(--primary-rgb), 0.5);
    box-shadow: 0 0 10px -3px rgba(var(--primary-rgb), 0.3);
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--muted-foreground);
    transition: color 0.2s ease;
}

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

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

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-categories {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.skill-category h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category h3::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    padding: 0.65rem 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: all 0.3s ease;
    cursor: default;
}

.skill-item:hover {
    border-color: rgba(var(--primary-rgb), 0.5);
    box-shadow: 0 0 20px -5px rgba(var(--primary-rgb), 0.3);
    transform: translateY(-2px);
}

/* ============================================
   EDUCATION SECTION
   ============================================ */
.education-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.education-card {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.education-card:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
    box-shadow: 0 0 30px -10px rgba(var(--primary-rgb), 0.2);
    transform: translateY(-4px);
}

.education-degree {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.education-institution {
    font-size: 0.95rem;
    color: var(--secondary);
}

.education-date {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--muted-foreground);
}

@media (max-width: 600px) {
    .education-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    text-align: center;
    position: relative;
}

.contact .section-subtitle {
    margin: 0 auto 2.5rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.75rem;
    min-width: 200px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.contact-card:hover {
    border-color: rgba(var(--primary-rgb), 0.4);
    box-shadow: 0 0 30px -10px rgba(var(--primary-rgb), 0.3);
    transform: translateY(-3px);
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 18px;
    height: 18px;
}

.contact-card-info {
    text-align: left;
}

.contact-card-label {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-card-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--foreground);
    margin-top: 0.15rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-text a {
    color: var(--primary);
    transition: color 0.2s;
}

.footer-text a:hover {
    color: var(--secondary);
}

.back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--muted-foreground);
    transition: color 0.2s ease;
}

.back-to-top:hover {
    color: var(--primary);
}

.back-to-top svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.mobile-nav {
    position: fixed;
    inset: 0;
    background: hsla(240, 10%, 4%, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-nav.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--foreground);
    transition: color 0.2s ease;
}

.mobile-nav a:hover {
    color: var(--primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1.5fr;
    }

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

    .section-padding {
        padding: 7rem 0;
    }
}

@media (min-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .section-padding {
        padding: 8rem 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-actions {
        gap: 0.5rem;
    }

    .hero {
        text-align: center;
        padding-top: 7rem;
    }

    .hero-greeting {
        margin: 0 auto 1.5rem;
    }

    .hero-name {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .hero-description {
        margin: 0 auto 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }

    .availability-badge {
        margin: 0 auto 2rem;
    }

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

    .experience-timeline::before {
        left: 0;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }

    .timeline-item::before {
        left: -5px;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .contact-card {
        width: 100%;
        max-width: 100%;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--muted-foreground);
}

/* ============================================
   SELECTION
   ============================================ */
::selection {
    background: rgba(var(--primary-rgb), 0.3);
    color: var(--foreground);
}