/* --- Base Variables & Reset --- */
:root {
    --bg-dark: #f0eaea;
    --bg-light-dark: #f0f4f8;
    --text-light: #111827;
    --text-muted: #4b5563;
    --accent: #a73236; /* High-contrast neon teal for light backgrounds */
    --accent-glow: rgb(232, 227, 226);
    --font-sans: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: var(--font-sans);
    line-height: 1.6;
}

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

/* Accessible focus states for keyboard users */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* --- Layout Components --- */
.section {
    padding: 100px 10%;
}

.bg-light {
    background-color: var(--bg-light-dark);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 2px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    color: var(--text-muted);
    margin-left: 15px;
    background: none;
}

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

/* --- Navigation Bar --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: transparent;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 30px;
    position: relative;
}

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

/* Floating pill container that holds the nav links */
.nav-pill {
    position: relative;
    background-color: rgba(240, 244, 248, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 230, 168, 0.2);
    border-radius: 50px;
    padding: 6px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
}

/* The sliding highlight that glides between links */
.nav-indicator {
    position: absolute;
    top: 6px;
    height: calc(100% - 12px);
    width: 0;
    left: 0;
    background-color: var(--accent);
    border-radius: 50px;
    opacity: 0;
    transition: left 0.3s ease, width 0.3s ease, opacity 0.2s ease;
    pointer-events: none;
    z-index: 0;
}

.nav-links {
    position: relative;
    display: flex;
    list-style: none;
    gap: 4px;
    z-index: 1;
}

.nav-links li a {
    position: relative;
    display: inline-block;
    color: var(--text-light);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.25s ease;
}

.nav-links li a.on-indicator {
    color: #ffffff;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-light);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
}

.hero-subtitle {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
}

.hero-slug {
    font-size: 3rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 25px;
}

.hero-description {
    max-width: 600px;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* --- About Section --- */
.about-grid {
    max-width: 800px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-muted);
}

/* --- Skills Section --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skills-category {
    background: var(--bg-dark);
    padding: 25px;
    border-radius: 6px;
    border: 1px solid rgba(0, 230, 168, 0.2);
}

.skills-category h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.skill-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    background-color: var(--bg-light-dark);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* --- Projects Section --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-card {
    background-color: var(--bg-light-dark);
    border-radius: 6px;
    padding: 30px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.project-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.project-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tags span {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-dark);
    padding: 4px 10px;
    border-radius: 4px;
}

.project-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* --- Contact Section --- */
.contact-subtitle {
    text-align: center;
    max-width: 500px;
    margin: 0 auto 40px auto;
    color: var(--text-muted);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.contact-form input, .contact-form textarea {
    background-color: var(--bg-dark);
    border: 1px solid rgba(0, 230, 168, 0.3);
    padding: 15px;
    color: var(--text-light);
    border-radius: 4px;
    font-family: var(--font-sans);
    outline: none;
    transition: var(--transition);
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--accent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.8rem;
    transition: var(--transition);
}

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

/* --- Footer --- */
footer {
    text-align: center;
    padding: 40px;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(0, 230, 168, 0.15);
}

/* --- Responsive Media Queries --- */
@media (max-width: 768px) {
    .hero-title { font-size: 2.8rem; }
    .hero-slug { font-size: 2rem; }

    .nav-pill {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        margin-top: 10px;
        border-radius: 12px;
        background-color: rgba(255, 255, 255, 0.98);
    }

    .nav-pill.active {
        display: block;
    }

    .nav-indicator {
        display: none;
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
    }

    .nav-links li a {
        display: block;
        border-radius: 8px;
        padding: 14px 20px;
    }

    .nav-links li a.on-indicator {
        background-color: var(--accent);
        color: #ffffff;
    }

    .menu-toggle { display: block; }
    .section { padding: 60px 5%; }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}