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

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 8px 16px;
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 4px 0;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

:root {
    --primary-color: #0a192f;
    --secondary-color: #112240;
    --accent-color: #64ffda;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --white: #e6f1ff;
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.nav-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    letter-spacing: 2px;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

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

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    left: 0;
}

.menu-toggle span::before {
    top: -7px;
}

.menu-toggle span::after {
    top: 7px;
}

/* Hamburger to X animation */
.menu-toggle.active span {
    background-color: transparent;
}

.menu-toggle.active span::before {
    top: 0;
    transform: rotate(45deg);
    background-color: var(--accent-color);
}

.menu-toggle.active span::after {
    top: 0;
    transform: rotate(-45deg);
    background-color: var(--accent-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(100, 255, 218, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(102, 126, 234, 0.05) 0%, transparent 50%);
}

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

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--text-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.location {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(100, 255, 218, 0.2);
}

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

.btn-secondary:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--white);
    position: relative;
    display: inline-block;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

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

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    line-height: 1.8;
}

.about-content {
    max-width: 900px;
}

.about-intro {
    margin-bottom: 2.5rem;
}

.about-lead {
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.about-lead strong {
    color: var(--white);
}

.about-details h3 {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-details p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.about-details strong {
    color: var(--text-primary);
}

.career-highlights,
.expertise-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.career-highlights li,
.expertise-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.career-highlights li::before,
.expertise-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.career-highlights li strong,
.expertise-list li strong {
    color: var(--text-primary);
}

.about-cta {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.about-cta p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.about-cta a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.about-cta a:hover {
    text-decoration: underline;
}

/* Ventures Section */
.ventures {
    background: var(--primary-color);
}

.venture-cards {
    display: grid;
    gap: 2rem;
}

.venture-card {
    background: var(--secondary-color);
    border-radius: 8px;
    padding: 2rem;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

.venture-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.venture-card.featured {
    border-color: rgba(100, 255, 218, 0.3);
    background: linear-gradient(135deg, var(--secondary-color) 0%, rgba(100, 255, 218, 0.05) 100%);
}

.venture-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.venture-header h3 {
    font-size: 1.5rem;
    color: var(--white);
}

.venture-header .role {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.venture-header .date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.venture-tagline {
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.venture-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.venture-mission {
    background: rgba(10, 25, 47, 0.5);
    padding: 1.5rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.venture-mission h4 {
    color: var(--accent-color);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

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

.venture-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

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

/* Experience Section */
.experience {
    background: var(--secondary-color);
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-color) 0%, rgba(100, 255, 218, 0.2) 100%);
}

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

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

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--secondary-color);
    transform: translateX(-5px);
}

.timeline-content h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.timeline-content .company {
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.timeline-content .date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.timeline-content .location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skills-tags span {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Writing & Publications Section */
.writing {
    background: var(--primary-color);
}

.publication-featured {
    background: var(--secondary-color);
    border-radius: 12px;
    padding: 2.5rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.publication-featured:hover {
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.publication-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.publication-content {
    flex: 1;
}

.publication-content h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.publication-subtitle {
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.publication-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: rgba(100, 255, 218, 0.05);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.pub-link:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.pub-link svg {
    width: 18px;
    height: 18px;
}

@media (max-width: 768px) {
    .publication-featured {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .publication-links {
        justify-content: center;
    }
}

/* Skills Section */
.skills {
    background: var(--secondary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: rgba(100, 255, 218, 0.3);
    transform: translateY(-3px);
}

.skill-category h3 {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(100, 255, 218, 0.2);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.25rem;
}

.skill-category li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

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

.contact h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.contact-intro {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-link svg {
    width: 24px;
    height: 24px;
}

/* Footer */
.footer {
    background: var(--primary-color);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--secondary-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.3);
        z-index: 1000;
        padding: 2rem 0;
    }

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

    .nav-links li {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
        list-style: none;
        width: 100%;
        text-align: center;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links a {
        display: block;
        width: 100%;
        font-size: 1.1rem;
        padding: 0.75rem 1rem;
    }

    .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-links.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-links.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-links.active li:nth-child(5) { transition-delay: 0.3s; }
    .nav-links.active li:nth-child(6) { transition-delay: 0.35s; }

    /* Mobile menu overlay */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(10, 25, 47, 0.8);
        z-index: 999;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .nav-overlay.active {
        display: block;
        opacity: 1;
    }

    .hero {
        padding: 8rem 1.5rem 4rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-marker {
        left: -1.5rem;
    }

    .venture-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .contact-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Smooth scroll offset for fixed header */
section[id] {
    scroll-margin-top: 80px;
}

/* Page Header for Subpages */
.page-header {
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(100, 255, 218, 0.05) 0%, transparent 50%);
}

.page-header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.page-header .platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid var(--accent-color);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.page-header .platform-badge svg {
    width: 20px;
    height: 20px;
}

.page-header .page-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.page-header .external-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 0.875rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-header .external-link:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(100, 255, 218, 0.3);
}

.page-header .external-link svg {
    width: 18px;
    height: 18px;
}

/* Page Content Sections */
.page-content {
    padding: 4rem 0;
}

.page-section {
    padding: 4rem 0;
}

.page-section:nth-child(odd) {
    background: var(--secondary-color);
}

.page-section:nth-child(even) {
    background: var(--primary-color);
}

.page-section h2 {
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.page-section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-color);
}

.page-section h3 {
    font-size: 1.25rem;
    color: var(--accent-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.page-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.page-section ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.page-section ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.page-section ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Profile Card */
.profile-card {
    background: var(--secondary-color);
    border-radius: 12px;
    padding: 2.5rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
    margin-bottom: 2rem;
}

.profile-card-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--gradient-start));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.profile-info h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.profile-info .role {
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.profile-info .location {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.profile-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

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

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Content Cards */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.content-card {
    background: var(--secondary-color);
    border-radius: 10px;
    padding: 2rem;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s ease;
}

.content-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.content-card h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    margin-top: 0;
}

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

.content-card .card-meta {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.content-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    margin-top: 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.content-card .card-link:hover {
    text-decoration: underline;
}

/* Feature List */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(100, 255, 218, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(100, 255, 218, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-content h4 {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* Quote/Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.1) 0%, rgba(102, 126, 234, 0.1) 100%);
    border-left: 4px solid var(--accent-color);
    padding: 2rem;
    border-radius: 0 10px 10px 0;
    margin: 2rem 0;
}

.highlight-box p {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-style: italic;
    margin: 0;
}

.highlight-box cite {
    display: block;
    margin-top: 1rem;
    color: var(--accent-color);
    font-style: normal;
    font-weight: 500;
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 2rem;
    background: rgba(10, 25, 47, 0.5);
    margin-top: 60px;
}

.breadcrumb-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.breadcrumb span {
    color: var(--text-secondary);
}

.breadcrumb .current {
    color: var(--accent-color);
}

/* Related Links */
.related-links {
    background: var(--secondary-color);
    padding: 4rem 0;
}

.related-links h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.related-links h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.related-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--primary-color);
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.1);
    text-decoration: none;
    transition: all 0.3s ease;
}

.related-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.related-item svg {
    width: 24px;
    height: 24px;
    color: var(--accent-color);
}

.related-item span {
    color: var(--text-primary);
    font-weight: 500;
}

/* Mobile Menu for subpages */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .page-header {
        padding: 6rem 1.5rem 3rem;
    }

    .profile-card-header {
        flex-direction: column;
        text-align: center;
    }

    .profile-stats {
        justify-content: center;
    }

    .breadcrumb {
        padding: 0.75rem 1rem;
    }
}