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

:root {
    --primary-color: #2d3436;
    --accent-color: #6c5ce7;
    --text-color: #636e72;
    --background-color: #ffffff;
    --card-background: #f8f9fa;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--background-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
}

h1, h2, h3 {
    color: var(--primary-color);
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.profile-photo-wrapper {
    position: relative;
    width: 165px;
    height: 150px;
    margin-bottom: 1.5rem;
}

.hexagon-frame {
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    pointer-events: none;
}

.hex-path {
    stroke: var(--accent-color);
    stroke-dasharray: 330;
    stroke-dashoffset: 330;
    stroke-linecap: butt;
    stroke-linejoin: miter;
    stroke-width: 4;
    transition: stroke-dashoffset 0.6s ease;
}

.profile-photo-wrapper:hover .hex-path {
    stroke-dashoffset: 0;
}

.profile-photo {
    width: 165px;
    height: 150px;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    object-fit: cover;
    position: relative;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--accent-color);
    transition: color 0.3s ease;
}

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

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
}

/* About Section */
.about p {
    max-width: 700px;
    font-size: 1.1rem;
}

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

.project-card {
    display: block;
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.project-card h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.project-card:hover h3 {
    color: var(--accent-color);
}

.project-card p {
    margin-bottom: 0;
    color: var(--text-color);
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact p {
    margin-bottom: 1.5rem;
}

.email-link {
    display: inline-block;
    color: var(--accent-color);
    font-size: 1.25rem;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--accent-color);
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.email-link:hover {
    background-color: var(--accent-color);
    color: white;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid #eee;
}

footer p {
    font-size: 0.875rem;
}

/* Responsive Design */
/* Theme Toggle Button */
#theme-toggle {
    background: none;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Dark Mode */
.dark-mode {
    --primary-color: #ffffff;
    --text-color: #b2bec3;
    --background-color: #1a1a2e;
    --card-background: #16213e;
}

.dark-mode header {
    background-color: var(--background-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.dark-mode footer {
    border-top-color: #2d3436;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    nav ul {
        gap: 1rem;
    }

    section {
        padding: 4rem 0;
    }
}