/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    flex: 1;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 1rem;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s backwards;
.hero-role {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
    margin-bottom: 2rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    display: inline-block;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.social-links {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--text-white);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--text-white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

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

.hero-image {
    display: none;
}

/* ===== Sections ===== */
.section {
    padding: var(--spacing-xl) 2rem;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.content-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.content-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

/* ===== Mission Section ===== */
.mission {
    background: var(--bg-light);
    padding: var(--spacing-lg) 2rem;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.mission-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-light);
    font-style: italic;
/* ===== IBM Section ===== */
.ibm-section {
    background: linear-gradient(135deg, #0f62fe 0%, #001d6c 100%);
    padding: var(--spacing-xl) 2rem;
}

.ibm-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    margin: 0 auto;
    border: 3px solid rgba(15, 98, 254, 0.3);
}

.ibm-logo-section {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.ibm-badge {
    display: inline-block;
    background: linear-gradient(135deg, #0f62fe 0%, #001d6c 100%);
    color: var(--text-white);
    font-size: 2rem;
    font-weight: 900;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    letter-spacing: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.ibm-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--text-dark);
    margin: 0;
}

.ibm-content {
    text-align: center;
}

.ibm-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.ibm-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.expertise-badge {
    background: linear-gradient(135deg, #0f62fe 0%, #001d6c 100%);
    color: var(--text-white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.expertise-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

}

/* ===== Music Section ===== */
.music-section {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: var(--text-white);
}

.music-section .section-title {
    color: var(--text-white);
}

.music-section .section-title::after {
    background: var(--text-white);
}

.music-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.music-intro {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

.music-link {
    color: var(--text-white);
    text-decoration: underline;
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.music-link:hover {
    opacity: 0.8;
}

.video-section {
    margin: 3rem 0;
}

.video-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-white);
}

.video-container {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.video-container h4 {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.video-description {
    text-align: center;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.video-link {
    display: block;
    text-decoration: none;
}

.video-thumbnail {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #f5576c;
    transition: all var(--transition-normal);
    z-index: 2;
}

.video-thumbnail:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--text-white);
}

.video-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 2rem 1rem 1rem;
    color: var(--text-white);
    text-align: center;
}

.video-overlay p {
    margin: 0;
    font-weight: 600;
    font-size: 1.125rem;
}

.music-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.music-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.music-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.music-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* ===== Business Section ===== */
.business-section {
    background: var(--bg-dark);
    color: var(--text-white);
}

.business-section .section-title {
    color: var(--text-white);
}

.business-section .section-title::after {
    background: var(--accent-color);
}

.business-section .content-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.business-section .content-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}
/* ===== Travel Section ===== */
.travel-section {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: var(--text-dark);
}

.travel-section .section-title {
    color: var(--text-white);
}

.travel-section .section-title::after {
    background: var(--text-white);
}

.travel-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-dark);
}

.business-highlight {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.business-skills {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
}

.business-skills h4 {
    color: var(--text-white);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.skills-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.skills-list li {
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-fast);
    border-left: 3px solid var(--accent-color);
}

.skills-list li:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.business-cta {
    margin-top: 2rem;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1.125rem;
}

.travel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.travel-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
}

.travel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.travel-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.travel-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.travel-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.travel-specialties {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.travel-specialties h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
}

.expertise-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.expertise-list li {
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-fast);
}

.expertise-list li:hover {
    transform: translateX(5px);
    background: var(--primary-light);
    color: var(--text-white);
}


/* ===== Publications Section ===== */
.publications-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.publication-item {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.publication-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.publication-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* ===== Family Section ===== */
.family-section {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.family-subsections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.family-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.family-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.family-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* ===== Links Section ===== */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.link-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all var(--transition-normal);
    text-align: center;
    border: 2px solid transparent;
}

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

.link-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.link-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--bg-dark);
    color: var(--text-white);
}

.contact-section .section-title {
    color: var(--text-white);
}

.contact-section .section-title::after {
    background: var(--accent-color);
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-intro {
    text-align: center;
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-method {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all var(--transition-normal);
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-method h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.contact-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--text-white);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--text-white);
    font-family: var(--font-display);
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

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

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.25rem;
        padding: 1rem;
        width: 100%;
        text-align: center;
    }
    
    .hero {
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .section {
        padding: var(--spacing-lg) 1.5rem;
    }
    
    .music-grid,
    .publications-list,
    .family-subsections,
    .links-grid,
    .contact-methods,
    .travel-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* Made with Bob */