/* ============================================================================
   TRUE FRONTIER WEBSITE STYLESHEET
   ============================================================================
   
   This stylesheet provides all styling for the True Frontier static website.
   It includes:
   - CSS reset and base styles
   - Layout and navigation
   - Section styling with scroll-snap
   - Blog post styling
   - Responsive design
   - Dark/light mode support via CSS variables
   ============================================================================ */

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

/* Reset default browser styles and set box-sizing for consistent sizing */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Base body styling - uses flexbox for layout, prevents double scrollbars */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    overflow: hidden; /* Prevent double scrollbars */
    line-height: 1.6;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--bg-color);
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */

/* Fixed header at top of page with backdrop blur effect */
header {
    position: fixed;
    width: 100%;
    background: var(--header-footer-bg);
    padding: 1rem 5%;
    z-index: 100;
    height: 160px; /* Doubled from 80px */
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

/* Title styles */
header h1 {
    font-size: 1.5rem; /* Adjust size as needed */
    margin: 0;
    color: #ffffff;
}

nav {
    margin: 0; /* Remove any margin */
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0; /* Remove any margin */
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    color: #ffffff;
}

/* ============================================================================
   MAIN CONTENT & LAYOUT
   ============================================================================ */

/* Main container - no max-width to allow full-width sections */
main {
    margin: 0;
    padding: 0;
    max-width: none;
}

/* Section base styling */
section {
    margin-bottom: 3rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Section headings */
h2 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

/* Paragraph text with max-width for readability */
p {
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

/* Fixed footer at bottom of page */
footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: var(--header-footer-bg);
    padding: 1rem;
    text-align: center;
    height: 60px; /* Give footer a fixed height */
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Responsive adjustments for header */
@media screen and (max-width: 768px) {
    header {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }

    header h1 {
        margin-bottom: 1rem;
    }

    nav ul {
        flex-direction: row; /* Keep navigation horizontal on mobile */
        gap: 1rem;
    }
}

/* ============================================================================
   SCROLL-SNAP CONTAINER
   ============================================================================
   
   Implements smooth scroll-snap behavior where each section snaps into view.
   Scrollbar is hidden for cleaner appearance while maintaining functionality.
   ============================================================================ */

/* Main scroll container with vertical snap behavior */
.snap-container {
    height: 100vh;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;              /* Enable vertical snap */
    -webkit-scroll-snap-type: y mandatory;      /* Safari support */
    scroll-padding-top: 0;                      /* Reset any scroll padding */
    scrollbar-width: none;                       /* Firefox - hide scrollbar */
    -ms-overflow-style: none;                   /* Internet Explorer 10+ - hide scrollbar */
}

/* Hide scrollbar in WebKit browsers (Chrome, Safari, etc.) */
.snap-container::-webkit-scrollbar {
    display: none;
}

/* ============================================================================
   SECTION STYLING
   ============================================================================
   
   Each section uses full viewport height with scroll-snap alignment.
   Sections have semi-transparent backgrounds with backdrop blur for modern look.
   ============================================================================ */

/* Individual snap section - full viewport height with snap alignment */
.snap-section {
    min-height: 100vh;
    height: 100vh;
    scroll-snap-align: start;
    -webkit-scroll-snap-align: start; /* Safari support */
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 200px 2rem 60px 2rem;
    box-sizing: border-box;
    justify-content: flex-start; /* Change to flex-start to better control spacing */
    overflow-y: auto; /* Allow scrolling within sections if needed */
    border: 1px solid var(--border-color);
    box-shadow: 0 0 20px var(--accent-glow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
}

/* Center all section titles */
.snap-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    margin-top: 3rem;
}

/* ============================================================================
   SECTION CONTENT LAYOUT
   ============================================================================
   
   Content blocks alternate between left and right alignment for visual interest.
   Each block contains text content and an image side-by-side.
   ============================================================================ */

/* Content block container - flexbox for text/image layout */
.section-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    gap: 3rem;
    margin-bottom: 3rem; /* Add bottom margin for spacing between content blocks */
    transition: transform 0.3s ease;
}

.section-content:hover {
    transform: translateY(-3px);
}

/* Text content styling */
.text-content {
    flex: 1;
    max-width: 500px;
    text-align: left; /* Keep all text left-aligned */
}

/* Image content styling */
.image-content {
    flex: 1;
    max-width: 500px;
    aspect-ratio: 16/9;
}

.image-content img {
    display: block;  /* Show the images */
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 4px 8px var(--shadow-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Remove the placeholder boxes */
.image-content:after {
    display: none;
}

/* Remove the different colors for placeholder boxes since we're using real images now */
#about .image-content:after,
#services .image-content:after,
#portfolio .image-content:after,
#contact .image-content:after {
    display: none;
}

/* Left alignment (image on right) */
.left-align {
    flex-direction: row;
}

/* Right alignment (image on left) */
.right-align {
    flex-direction: row-reverse;
}

/* Remove these conflicting styles */
.left-align .text-content,
.right-align .text-align {
    text-align: left; /* Override previous right-align */
}

/* Adjust responsive design for multiple content blocks */
@media screen and (max-width: 768px) {
    .snap-section {
        padding: 100px 1rem 60px 1rem;
    }

    .section-content {
        flex-direction: column !important;
        padding: 0 1rem;
        margin-bottom: 2rem;
    }

    .image-content {
        width: 100%;
        max-width: 400px;
    }
}

/* Add some different background colors to distinguish sections */
#about {
    background-color: var(--section-bg-1);
}

#services {
    background-color: var(--section-bg-2);
}

#portfolio {
    background-color: var(--section-bg-3);
}

#contact {
    background-color: var(--section-bg-4);
}

/* ============================================================================
   CSS VARIABLES - THEME COLORS
   ============================================================================
   
   CSS custom properties for theming. Supports both light and dark modes
   via media query. All colors are defined here for easy theme customization.
   ============================================================================ */

/* Light mode color variables (default) */
:root {
    /* Light mode colors (default) */
    --bg-color: rgba(240, 245, 255, 0.9);
    --text-color: #2C3E50;
    --section-bg-1: #f0f0f0;
    --section-bg-2: #e0e0e0;
    --section-bg-3: #d0d0d0;
    --section-bg-4: #c0c0c0;
    --header-footer-bg: rgba(28, 34, 56, 0.95);
    --shadow-color: rgba(62, 84, 172, 0.1);
    --accent-color: #4A90E2;
    --accent-glow: rgba(74, 144, 226, 0.2);
    --border-color: rgba(74, 144, 226, 0.2);
    --section-bg-1-transparent: rgba(236, 240, 255, 0.85);
    --section-bg-2-transparent: rgba(226, 232, 255, 0.85);
    --section-bg-3-transparent: rgba(216, 224, 255, 0.85);
    --section-bg-4-transparent: rgba(206, 216, 255, 0.85);
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark mode colors */
        --bg-color: rgba(16, 20, 34, 0.9);
        --text-color: #E0E6FF;
        --section-bg-1: #2a2a2a;
        --section-bg-2: #303030;
        --section-bg-3: #383838;
        --section-bg-4: #404040;
        --header-footer-bg: rgba(18, 22, 38, 0.95);
        --shadow-color: rgba(62, 84, 172, 0.3);
        --accent-color: #64A9FF;
        --accent-glow: rgba(100, 169, 255, 0.2);
        --border-color: rgba(100, 169, 255, 0.2);
        --section-bg-1-transparent: rgba(22, 26, 44, 0.85);
        --section-bg-2-transparent: rgba(26, 30, 50, 0.85);
        --section-bg-3-transparent: rgba(30, 34, 56, 0.85);
        --section-bg-4-transparent: rgba(34, 38, 62, 0.85);
    }
}

/* Update existing color references */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

header {
    background: var(--header-footer-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px); /* Safari support */
    border-bottom: 1px solid var(--border-color);
}

footer {
    background: var(--header-footer-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: none;
}

nav a {
    color: var(--text-color);
    position: relative;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav a:hover::after {
    transform: scaleX(1);
}

h2 {
    color: var(--text-color);
}

.image-content img {
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* Update section background colors */
#about {
    background-color: var(--section-bg-1);
}

#services {
    background-color: var(--section-bg-2);
}

#portfolio {
    background-color: var(--section-bg-3);
}

#contact {
    background-color: var(--section-bg-4);
}

/* Content container styles */
.content-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

/* Ensure markdown-generated paragraphs maintain styles */
.text-content p {
    margin: 0;
    max-width: none;
}

.error-message {
    color: var(--text-color);
    padding: 1rem;
    text-align: center;
    width: 100%;
}

/* Add background image styles */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
}

/* Update section backgrounds to be semi-transparent */
#about {
    background-color: var(--section-bg-1-transparent);
}

#services {
    background-color: var(--section-bg-2-transparent);
}

#portfolio {
    background-color: var(--section-bg-3-transparent);
}

#contact {
    background-color: var(--section-bg-4-transparent);
}

/* Add subtle border glow to sections */
.snap-section {
    border: 1px solid var(--border-color);
    box-shadow: 0 0 20px var(--accent-glow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
}

/* Update header and footer style */
header, footer {
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px); /* Safari support */
    border-bottom: 1px solid var(--border-color);
}

footer {
    border-top: 1px solid var(--border-color);
    border-bottom: none;
}

/* Update navigation links */
nav a {
    position: relative;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

nav a:hover::after {
    transform: scaleX(1);
}

/* Update blog post styling */
.blog-post {
    background-color: var(--section-bg-1-transparent);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    box-shadow: 0 0 20px var(--accent-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.blog-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px var(--accent-glow);
    background-color: var(--section-bg-2-transparent);
}

/* Update blog tags */
.blog-tag {
    background-color: var(--accent-glow);
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.blog-tag:hover {
    background-color: var(--accent-color);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 2px 8px var(--accent-glow);
}

/* Update scrollbar styling */
.blog-container::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border: 3px solid var(--bg-color);
}

/* Add subtle animations */
.section-content {
    transition: transform 0.3s ease;
}

.section-content:hover {
    transform: translateY(-3px);
}

/* Update image styling */
.image-content img {
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Update headings */
h1, h2 {
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Add subtle transitions to all interactive elements */
a, button {
    transition: all 0.3s ease;
}

/* Update section transitions */
.snap-section {
    transition: background-color 0.3s ease;
}

/* ============================================================================
   BLOG PAGE STYLING
   ============================================================================
   
   Blog-specific styles for the blog.html page. Includes:
   - Blog container and grid layout
   - Blog post card styling
   - Blog post metadata and tags
   - Content formatting
   ============================================================================ */

/* Main blog container - scrollable area with padding for header/footer */
.blog-container {
    padding-top: 200px;
    padding-bottom: 100px;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    height: calc(100vh - 220px); /* Account for header and footer */
    overflow-y: auto; /* Enable scrolling */
}

.blog-grid {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    padding-bottom: 2rem; /* Add some padding at the bottom */
}

.blog-post-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-post-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.blog-post-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
    border-radius: 2px;
}

.blog-post-meta {
    font-size: 0.95rem;
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-post-content {
    line-height: 1.8;
    color: var(--text-color);
}

.blog-post-content p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.blog-post-content ul,
.blog-post-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    padding-left: 0.5rem;
}

.blog-post-content li {
    margin-bottom: 0.5rem;
}

.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3,
.blog-post-content h4 {
    color: var(--text-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    position: relative;
}

.blog-post-content h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

.blog-post-image {
    width: 100%;
    margin-bottom: 2rem;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-post-image:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.blog-post-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

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

.blog-pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.pagination-link {
    padding: 0.5rem 1rem;
    background-color: var(--section-bg-1-transparent);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.pagination-link:hover {
    background-color: var(--section-bg-2-transparent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.pagination-link.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Add scrollbar styling for better visibility */
.blog-container::-webkit-scrollbar {
    width: 8px;
}

.blog-container::-webkit-scrollbar-track {
    background: var(--section-bg-1-transparent);
    border-radius: 4px;
}

.blog-container::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border: 3px solid var(--bg-color);
}

.blog-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
}

/* Ensure content is visible on all browsers */
@supports (scrollbar-width: thin) {
    .blog-container {
        scrollbar-width: thin;
        scrollbar-color: var(--header-footer-bg) var(--section-bg-1-transparent);
    }
}