/* Global variables */
:root {
    --background-color: #fefefe;
    --text-color: #333;
    --heading-color: #000;
    --accent-color: #4A90E2;
    --secondary-bg-color: #f5f5f5;
    --border-color: #ddd;
    --transition-speed: 0.3s;
    --section-spacing: 8rem;
}

/* Dark mode variables */
.dark-mode {
    --background-color: #1a1a1a;
    --text-color: #e2e2e2;
    --heading-color: #ffffff;
    --secondary-bg-color: #333333;
    --border-color: #444444;
}

/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Accessibility improvements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
}

/* Header and Navigation */
header {
    background-color: rgba(255, 255, 255, 0.8);
    /* Fallback for browsers that don't support backdrop-filter */
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-speed) ease;
}

.dark-mode header {
    background-color: rgba(0, 0, 0, 0.8);
    /* Fallback for browsers that don't support backdrop-filter */
    background-color: rgba(0, 0, 0, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

nav ul {
    display: flex;
    list-style-type: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color var(--transition-speed) ease;
}

nav ul li a:hover {
    color: var(--accent-color);
}

/* Main content */
main {
    padding-top: 5rem;
}

section {
    margin-bottom: var(--section-spacing);
    padding: 4rem 0;
}

section p {
    margin-bottom: 1.5rem;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: calc(100vh - 5rem);
    justify-content: center;
    margin-bottom: var(--section-spacing);
}

.hero .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin-bottom: 1rem;
}

.hero .tagline {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    max-width: 600px;
    margin: 0 auto 2rem;
    text-align: center;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--background-color);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.btn:hover {
    background-color: #3a7bc5;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

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

/* Updated About section styles */
#about {
    background-color: var(--secondary-bg-color);
    border-radius: 0.5rem;
    padding: 3rem 2rem !important;
    margin: 8rem auto !important;
    max-width: 1200px;
}

#about .about-content {
    max-width: 100%;
    margin: 0 auto;
}

#about .about-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

#about .about-info p {
    margin-bottom: 1.5rem;
}

#about .about-info p:last-child {
    margin-bottom: 0;
}

/* Blog posts */
.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-post {
    background-color: var(--secondary-bg-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.blog-post:hover {
    transform: translateY(-5px);
}

.blog-post h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.blog-post .date {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-post p {
    margin-bottom: 1rem;
}

.blog-post .btn {
    text-decoration: none;
    color: var(--accent-color);
    font-weight: 500;
    transition: color var(--transition-speed) ease;
}

.blog-post .btn:hover {
    opacity: 0.8;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: var(--background-color);
    margin: 10% auto;
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 800px;
    width: 90%;
    transition: background-color var(--transition-speed) ease;
}

.modal .close {
    color: var(--text-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-speed) ease;
}

.modal .close:hover,
.modal .close:focus {
    color: var(--accent-color);
}

/* Updated Contact section styles */
#contact {
    background-color: var(--secondary-bg-color);
    border-radius: 0.5rem;
    padding: 3rem 2rem !important;
    margin: 8rem auto !important;
    max-width: 1200px;
}

#contact .contact-content {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

#contact .contact-info,
#contact .social-connect {
    flex: 1;
}

#contact .contact-info h3,
#contact .social-connect h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

#contact .contact-info p,
#contact .social-connect p {
    margin-bottom: 1.5rem;
}

#contact .contact-details {
    list-style-type: none;
}

#contact .contact-details li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

#contact .contact-details i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 1rem;
    min-width: 1.5rem;
}

#contact .contact-details div {
    display: flex;
    flex-direction: column;
}

#contact .contact-details strong {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

#contact .contact-details a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

#contact .contact-details a:hover {
    color: var(--accent-color);
}

#contact .social-links {
    list-style-type: none;
    display: flex;
    gap: 1rem;
}

#contact .social-links li a {
    display: flex;
    align-items: center;
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

#contact .social-links li a:hover {
    color: var(--accent-color);
}

#contact .social-links i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* Footer */
footer {
    background-color: rgba(255, 255, 255, 0.8);
    /* Fallback for browsers that don't support backdrop-filter */
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    margin-top: 5rem;
    color: var(--text-color);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.dark-mode footer {
    background-color: rgba(0, 0, 0, 0.8);
    /* Fallback for browsers that don't support backdrop-filter */
    background-color: rgba(0, 0, 0, 0.95);
}

/* Utility classes */
#back-to-top,
#dark-mode-toggle {
    position: fixed;
    background-color: var(--accent-color);
    color: var(--background-color);
    border: none;
    border-radius: 0.375rem;
    padding: 1rem;
    cursor: pointer;
    z-index: 1000;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

#back-to-top {
    display: none;
    bottom: 2rem;
    right: 2rem;
}

#dark-mode-toggle {
    top: 1rem;
    right: 1rem;
}

#back-to-top:hover,
#dark-mode-toggle:hover {
    background-color: #3a7bc5;
    transform: translateY(-2px);
}

/* New styles for enhanced blog post content */
.post-content {
    max-width: 100%;
    overflow-x: auto;
}

.post-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.post-content p {
    margin-bottom: 1rem;
}

.post-content figure {
    margin-bottom: 1.5rem;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.375rem;
}

.post-content figcaption {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
    text-align: center;
    margin-top: 0.5rem;
}

/* New divider styles */
.section-divider {
    content: '';
    display: block;
    margin: 8rem auto;
    width: 80%;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.1);
}

.dark-mode .section-divider {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Adjust spacing for all main sections */
#home, #about, #blog, #contact {
    margin-bottom: 0 !important;
    padding-top: 4rem !important;
    padding-bottom: 4rem !important;
}

/* Media queries */
@media (max-width: 768px) {
    :root {
        --section-spacing: 6rem;
    }

    nav ul {
        display: none;
    }

    .hero {
        min-height: calc(100vh - 6rem);
    }

    section {
        margin-bottom: var(--section-spacing);
        padding: 3rem 0;
    }

    .blog-posts {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 20% auto;
        width: 95%;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
        margin-bottom: 1rem;
    }

    #contact .contact-content {
        flex-direction: column;
    }

    #about, #contact {
        margin: 4rem auto !important;
    }

    .section-divider {
        margin: 4rem auto;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

/* Print styles */
@media print {
    header, footer, #back-to-top, #dark-mode-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    a {
        text-decoration: underline;
        color: #000;
    }

    .section-divider {
        display: none;
    }
}