/* Base Styles & Variables */
:root {
    /* Color Palette */
    --color-primary: #E3F2FD;
    --color-primary-light: #F5FBFF;
    --color-primary-dark: #BBDEFB;
    --color-accent: #64B5F6;
    --color-accent-dark: #42A5F5;
    --color-text: #212121;
    --color-text-light: #757575;
    --color-bg: #FAFAFA;
    --color-panel: #FFFFFF;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-main: 'Montserrat', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Transitions */
    --transition: all 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-main);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 3px;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-list {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: var(--spacing-md);
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.section-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px; /* Account for fixed header */
    position: relative;
    overflow: hidden;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text); /* Changed from color-text-light to color-text for better contrast */
    margin-bottom: var(--spacing-lg);
    font-weight: 500; /* Slightly bolder for better readability */
}

.hero-bio {
    background-color: var(--color-panel);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: left;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border: 5px solid var(--color-primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    font-weight: 700;
}

.bio-text {
    max-width: 600px;
}

/* Resources Section */
/* Section Styling */
.section {
    position: relative;
    padding: var(--spacing-lg) 7%;
    margin: var(--spacing-lg) 0;
    z-index: 1;
}

/* Hero section specific styles */
.section-hero {
    margin: 0; /* Remove default margins */
    padding: 20px 7% var(--spacing-lg); /* Reduced top padding, keep horizontal and bottom padding */
}

.section-resources {
    background-color: transparent; /* Make background transparent to show matrix */
    margin-top: -40px; /* Pull the section up */
    padding-top: 0; /* Remove top padding */
}

/* Container inside resources section for content width control */
.section-resources > .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.95); /* Slightly transparent white */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1); /* Add subtle shadow for depth */
}

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

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-primary-dark);
    background: transparent;
    border-radius: 20px;
    color: var(--color-accent);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.resource-card {
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.resource-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.resource-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.resource-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: auto;
}

.tag {
    background-color: var(--color-primary);
    color: var(--color-accent-dark);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
}

/* Web Apps Section */
.section-webapps {
    background-color: transparent;
}

.webapps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.webapp-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.webapp-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.webapp-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid #eee;
}

.webapp-content {
    padding: var(--spacing-md);
}

.webapp-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.webapp-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 24px;
    height: 24px;
    fill: #fff;
    transition: var(--transition);
}

.social-icon:hover {
    fill: var(--color-accent);
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    grid-column: 1 / -1;
    color: var(--color-text-light);
}

.loading-spinner::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-primary);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    margin-left: var(--spacing-sm);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Digital Rain Background */
.matrix-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2; /* Ensure it's behind the content */
    overflow: hidden;
}

#matrix {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.27;
    pointer-events: none;
    display: block;
    background-color: #0b111a;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .resources-grid,
    .webapps-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-md) 0;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-item {
        margin: var(--spacing-sm) 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-bio {
        flex-direction: column;
        text-align: center;
    }
    
    .bio-text {
        text-align: left;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .resources-grid,
    .webapps-grid {
        grid-template-columns: 1fr;
    }
    
    .filters {
        justify-content: center;
    }
}