:root {
    --bg-color: #3b4252;
    --card-bg: #434c5e;
    --text-primary: #eceff4;
    --text-secondary: #81a1c1;
    --accent-color: #88c0d0;
    --border-color: #4c566a;

    /* Typography */
    --font-mono: 'Fira Code', 'Courier New', monospace;

    --space-md: 2rem;
    --space-lg: 4rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    line-height: 1.6;
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    cursor: default;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

img {
    max-width: 100%;
    display: block;
    opacity: 0.8;
    transition: opacity 0.3s;
}

img:hover {
    opacity: 1;
}

/* Layout Utilities */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.container-wide {
    max-width: 1000px;
}

/* Utilities */
.pt-lg {
    padding-top: var(--space-lg);
}

.text-center {
    text-align: center;
}

.text-secondary-sm {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-accent {
    color: var(--accent-color);
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}



.flex-column-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.flex-center {
    display: flex;
    justify-content: center;
}

.hero-flex {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}



/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.05em;
    color: #fff;
}

.section-title {
    font-size: 1.25rem;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title::before {
    content: '>';
    color: var(--text-secondary);
}

.hero-title {
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 2rem;
    white-space: normal;
    word-wrap: break-word;
}

.hero-title .cursor {
    display: inline-block;
    width: 0.6em;
    height: 1em;
    background-color: var(--accent-color);
    animation: blink 1s infinite;
    vertical-align: middle;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-top: 1rem;
    margin-right: 1rem;
    background: transparent;
    border-radius: 4px;
}

.btn:hover {
    background: var(--accent-color);
    color: #000;
}

/* Header */
.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(59, 66, 82, 0.95);
    z-index: 100;
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

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

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    align-items: center;
}

.logo span {
    display: block;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 2px;
    transition: color 0.2s ease;
}

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

.logo:hover span:first-child {
    color: var(--accent-color);
    text-shadow: 0 0 8px rgba(136, 192, 208, 0.4);
}

.logo:hover .logo-subtitle {
    color: var(--text-secondary);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.nav-link:hover {
    color: var(--accent-color);
    filter: brightness(1.2);
    text-shadow: 0 0 8px rgba(136, 192, 208, 0.4);
}

/* Sections */
.section {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

/* Projects */
.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    transition: transform 0.2s, border-color 0.2s;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    height: 100%;
    align-items: flex-start;
}

.project-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.project-number {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.tags {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.project-card .tags {
    margin-top: auto;
}

.tag {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: #000;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
}

/* Active Nav State */
.nav-link.active,
.nav-link[aria-current="page"] {
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(136, 192, 208, 0.6);
    font-weight: 700;
}

/* Mobile Menu & Responsive Utilities */
@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .nav-list {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: auto;
        background: var(--bg-color);
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
        z-index: 99;
    }

    .nav-list.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
        background: none;
        border: 1px solid var(--text-secondary);
        color: var(--text-secondary);
        padding: 0.5rem 1rem;
        font-family: var(--font-mono);
        cursor: pointer;
    }

    .menu-toggle:hover {
        border-color: var(--accent-color);
        color: var(--accent-color);
    }

    /* Safety padding for mobile */
    .container {
        padding: 0 1.5rem;
    }
    .hero-title {
        padding-top: 50px;
    }
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.no-border {
    border-bottom: none;
}

/* Refactoring Utilities */
.list-unstyled {
    list-style: none;
    padding: 0;
    margin: 0;
}

.text-left {
    text-align: left;
}

.w-full {
    width: 100%;
}

.max-w-800 {
    max-width: 800px;
}

/* New Components */
.footer-content {
    display: flex;
    justify-content: center;
    text-align: center;
}

.skill-category {
    color: var(--text-primary);
    font-weight: 500;
}

.container-bordered {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4rem;
}

.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.contact-link-label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.contact-email {
    font-size: 1.25rem;
    border-bottom: 1px solid var(--accent-color);
}

.social-icon-link {
    opacity: 0.9;
    transition: opacity 0.2s;
}

.social-icon-link:hover {
    opacity: 1;
}

.social-icon-link i {
    font-size: 2rem;
}

.bullet-list {
    list-style: disc;
    margin-left: 1.5rem;
}