/* ===== MODERN RESUME WEBSITE STYLES ===== */
/* Dark card-based theme with glassmorphism & gradient effects */

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

/* ===== CSS VARIABLES ===== */
:root {
    /* Dark Theme Base - Monochromatic Futuristic */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: rgba(20, 20, 20, 0.8);
    --bg-card-hover: rgba(30, 30, 30, 0.9);
    
    /* Text Colors - Monochromatic */
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-muted: #6e6e73;
    
    /* Accent Colors - Subtle Monochromatic Blue */
    --accent-primary: #2997ff;
    --accent-secondary: #86868b;
    --accent-tertiary: #1d1d1f;
    --accent-gradient: linear-gradient(135deg, #2997ff 0%, #a1a1a6 50%, #ffffff 100%);
    --accent-glow: rgba(41, 151, 255, 0.3);
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-gradient: linear-gradient(135deg, rgba(41, 151, 255, 0.3), rgba(161, 161, 166, 0.3));
    
    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 8px 32px rgba(41, 151, 255, 0.1);
    --shadow-glow: 0 0 30px rgba(41, 151, 255, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 30% 0%, rgba(41, 151, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 100%, rgba(161, 161, 166, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(30, 30, 30, 0.5) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.03em;
    font-weight: 700;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(41, 151, 255, 0.15), rgba(134, 134, 139, 0.15));
    border-radius: var(--radius-sm);
}

h2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-sm);
    padding: 1px;
    background: linear-gradient(135deg, #2997ff, #86868b, #ffffff);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

h2::after {
    display: none;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-medium);
}

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

/* ===== LAYOUT ===== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

main {
    padding: var(--spacing-lg) 0;
}

/* ===== GLASS HEADER ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 10px var(--spacing-lg);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-medium);
}

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

.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.site-header__avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.site-header__name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.site-header__link {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.site-header__link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Main content padding for fixed header */
body {
    padding-top: 52px;
}

/* ===== SECTIONS ===== */
.section {
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.section:nth-child(1) { animation-delay: 0.1s; }
.section:nth-child(2) { animation-delay: 0.2s; }
.section:nth-child(3) { animation-delay: 0.3s; }
.section:nth-child(4) { animation-delay: 0.4s; }
.section:nth-child(5) { animation-delay: 0.5s; }
.section:nth-child(6) { animation-delay: 0.6s; }
.section:nth-child(7) { animation-delay: 0.7s; }

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

/* ===== HERO SECTION ===== */
.hero {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    min-height: auto;
}

.hero__image-wrapper {
    flex-shrink: 0;
    position: relative;
}

.hero__image {
    width: 220px;
    height: 220px;
    border-radius: var(--radius-xl);
    object-fit: cover;
    border: 3px solid transparent;
    background: var(--accent-gradient);
    padding: 3px;
    transition: var(--transition-medium);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(41, 151, 255, 0.2); }
    50% { box-shadow: 0 0 40px rgba(41, 151, 255, 0.3), 0 0 60px rgba(161, 161, 166, 0.1); }
}

.hero__image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.hero__content {
    flex: 1;
}

.hero__name {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.hero__name::after {
    content: 'Andrew Martin';
    position: absolute;
    left: 0;
    top: 0;
    filter: blur(15px);
    opacity: 0.4;
    background: linear-gradient(135deg, #2997ff, #86868b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: -1;
}

.hero__title {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 400;
}

.hero__company {
    color: var(--accent-primary);
    font-weight: 500;
}

.hero__email {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-medium);
}

.hero__email:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.hero .socials {
    margin-top: var(--spacing-md);
}

.hero .social-link {
    padding: var(--spacing-xs) var(--spacing-md);
}

/* ===== SOCIAL LINKS ===== */
.socials {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-medium);
    z-index: -1;
}

.social-link:hover {
    color: var(--text-primary);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.social-link:hover::before {
    left: 0;
    opacity: 0.15;
}

/* ===== CARD INTERACTIONS ===== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-medium);
}

.card:hover {
    transform: translateY(-4px) scale(1.01);
    border-color: rgba(41, 151, 255, 0.3);
    box-shadow: var(--shadow-hover);
    background: var(--bg-card-hover);
}

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

/* ===== INTERACTIVE SKILLS ===== */
.skills-list {
    list-style: none;
    display: grid;
    gap: 14px;
}

.skills-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 14px var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    cursor: default;
}

.skills-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #2997ff, #86868b);
    border-radius: var(--radius-full);
    color: var(--bg-primary);
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: var(--transition-medium);
}

.skills-list li:hover {
    border-color: rgba(41, 151, 255, 0.3);
    transform: translateX(8px);
    background: var(--bg-card-hover);
}

.skills-list li:hover::before {
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(41, 151, 255, 0.4);
}

/* ===== TECH STACK & SOFTWARE GRID ===== */
.tech-grid, .software-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-item, .software-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.tech-item::after, .software-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #2997ff, #86868b);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-medium);
}

.tech-item:hover, .software-item:hover {
    color: var(--text-primary);
    border-color: #2997ff;
    box-shadow: 0 0 20px rgba(41, 151, 255, 0.15);
    transform: translateY(-3px) scale(1.02);
}

.tech-item:hover::after, .software-item::after {
    transform: scaleX(1);
}

/* ===== EDUCATION & WORK HISTORY - TIMELINE ===== */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #2997ff, #86868b, #ffffff);
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-medium);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) + 0px);
    top: 24px;
    width: 14px;
    height: 14px;
    background: var(--bg-primary);
    border: 3px solid #2997ff;
    border-radius: var(--radius-full);
    transition: var(--transition-medium);
}

.timeline-item:hover {
    border-color: rgba(41, 151, 255, 0.3);
    transform: translateX(8px);
    box-shadow: var(--shadow-hover);
    background: var(--bg-card-hover);
}

.timeline-item:hover::before {
    background: #2997ff;
    box-shadow: 0 0 15px rgba(41, 151, 255, 0.5);
    transform: scale(1.2);
}

.timeline-item__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-item__date {
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.timeline-item__description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.timeline-item ul {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.timeline-item ul li {
    position: relative;
    padding-left: var(--spacing-md);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.timeline-item ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* ===== SKILLS CATEGORIES ===== */
.skills-categories {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skills-category {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.skills-category__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 2px;
}

/* ===== PROJECT CARDS ===== */
.projects-grid {
    display: grid;
    gap: var(--spacing-md);
}

.project-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-medium);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-medium);
}

.project-card:hover {
    border-color: rgba(41, 151, 255, 0.3);
    transform: translateX(12px) scale(1.01);
    box-shadow: var(--shadow-hover);
    background: var(--bg-card-hover);
}

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

.project-card__icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(41, 151, 255, 0.1);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: var(--transition-medium);
}

.project-card:hover .project-card__icon {
    background: rgba(41, 151, 255, 0.2);
    transform: scale(1.1);
}

.project-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-medium);
}

.project-card:hover .project-card__title {
    color: #2997ff;
}

/* ===== PROJECT DETAIL PAGES ===== */
.project-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.back-link:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateX(-4px);
}

.project-detail h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    font-weight: 500;
    transition: var(--transition-medium);
}

.project-link:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
    transform: translateY(-2px);
}

.project-detail__content {
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    line-height: 1.8;
}

.project-detail__content p {
    margin-bottom: var(--spacing-md);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.25rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero__image {
        width: 180px;
        height: 180px;
    }
    
    .hero__email {
        justify-content: center;
    }
    
    .socials {
        justify-content: center;
    }
    
    .timeline {
        padding-left: var(--spacing-lg);
    }
    
    .timeline::before {
        left: 4px;
    }
    
    .timeline-item::before {
        left: calc(-1 * var(--spacing-lg) + -2px);
    }
    
    .timeline-item:hover {
        transform: translateY(-4px);
    }
    
    .project-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero__image {
        width: 150px;
        height: 150px;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .tech-grid, .software-grid {
        gap: var(--spacing-xs);
    }
    
    .tech-item, .software-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    /* Mobile header */
    .site-header__nav {
        display: none;
    }
    
    .site-header {
        padding: 8px var(--spacing-md);
    }
    
    .site-header__name {
        font-size: 0.85rem;
    }
    
    body {
        padding-top: 50px;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #0a0a0a;
}

::-webkit-scrollbar-thumb {
    background: #424245;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #636366;
}

/* ===== SELECTION ===== */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}