/* Christina Parry — Profile Site */
/* Catppuccin Mocha palette (shared with /blog/) */

:root {
    --ctp-rosewater: #f5e0dc;
    --ctp-flamingo: #f2cdcd;
    --ctp-pink: #f5c2e7;
    --ctp-mauve: #cba6f7;
    --ctp-red: #f38ba8;
    --ctp-maroon: #eba0ac;
    --ctp-peach: #fab387;
    --ctp-yellow: #f9e2af;
    --ctp-green: #a6e3a1;
    --ctp-teal: #94e2d5;
    --ctp-sky: #89dceb;
    --ctp-sapphire: #74c7ec;
    --ctp-blue: #87ceeb;
    --ctp-lavender: #b4befe;
    --ctp-text: #cdd6f4;
    --ctp-subtext1: #bac2de;
    --ctp-subtext0: #a6adc8;
    --ctp-overlay2: #9399b2;
    --ctp-overlay1: #7f849c;
    --ctp-overlay0: #6c7086;
    --ctp-surface2: #585b70;
    --ctp-surface1: #45475a;
    --ctp-surface0: #313244;
    --ctp-base: #1e1e2e;
    --ctp-mantle: #181825;
    --ctp-crust: #11111b;

    --accent-pink: #f5c2e7;
    --accent-cyan: #89dceb;
}

[data-theme="light"] {
    --ctp-text: #4c4f69;
    --ctp-subtext1: #5c5f77;
    --ctp-subtext0: #6c6f85;
    --ctp-overlay2: #7c7f93;
    --ctp-overlay1: #8c8fa1;
    --ctp-overlay0: #9ca0b0;
    --ctp-surface2: #acb0be;
    --ctp-surface1: #bcc0cc;
    --ctp-surface0: #ccd0da;
    --ctp-base: #eff1f5;
    --ctp-mantle: #e6e9ef;
    --ctp-crust: #dce0e8;

    --accent-pink: #8839ef;
    --accent-cyan: #179299;
}

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

html {
    font-size: 16px;
    line-height: 1.6;
    scroll-behavior: smooth;
}

body {
    font-family: 'Libre Franklin', sans-serif;
    color: var(--ctp-text);
    background-color: var(--ctp-crust);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'JetBrains Mono', monospace;
    color: var(--ctp-text);
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Layout */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    background-color: transparent;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-nav.scrolled {
    background-color: var(--ctp-mantle);
    box-shadow: 0 1px 0 var(--ctp-surface0);
}

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

.nav-brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ctp-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-brand:hover {
    color: var(--accent-pink);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--ctp-subtext0);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--ctp-text);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--ctp-surface1);
    color: var(--ctp-overlay1);
    border-radius: 4px;
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
    border-color: var(--ctp-overlay1);
    color: var(--ctp-text);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ctp-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 1.5rem 4rem;
    border-bottom: 2px solid transparent;
    border-image: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan)) 1;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--ctp-subtext1);
    margin-bottom: 0.5rem;
}

.hero .typer {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    color: var(--ctp-subtext1);
    margin-bottom: 0.5rem;
    min-height: 1.8em;
}

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

.typer-cursor {
    color: var(--accent-pink);
    animation: blink 0.7s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero .tagline {
    font-size: 0.95rem;
    color: var(--ctp-overlay1);
    margin-top: 1rem;
    font-style: italic;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--ctp-overlay1);
    font-size: 0.9rem;
}

/* Publications / Talks */
#publications,
#talks {
    background-color: var(--ctp-crust);
    transition: background-color 0.3s ease;
}

.pub-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pub-item {
    background-color: var(--ctp-surface0);
    border: 1px solid var(--ctp-surface1);
    border-radius: 6px;
    padding: 1.5rem;
    transition: border-color 0.2s ease, background-color 0.3s ease;
}

.pub-item:hover {
    border-color: var(--ctp-overlay0);
}

.pub-item h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.pub-item h3 a {
    color: var(--ctp-text);
}

.pub-item h3 a:hover {
    color: var(--accent-pink);
}

.pub-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--ctp-overlay1);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.pub-meta .separator {
    color: var(--ctp-surface2);
}

.pub-description {
    font-size: 0.9rem;
    color: var(--ctp-subtext0);
    line-height: 1.6;
}

.pub-links {
    margin-top: 0.75rem;
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}

.pub-links a {
    color: var(--accent-cyan);
}

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

/* Conferences */
#conferences {
    background-color: var(--ctp-mantle);
    transition: background-color 0.3s ease;
}

.conf-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.conf-item {
    background-color: var(--ctp-surface0);
    border: 1px solid var(--ctp-surface1);
    border-radius: 6px;
    padding: 1.25rem;
    transition: border-color 0.2s ease, background-color 0.3s ease;
}

.conf-item:hover {
    border-color: var(--ctp-overlay0);
}

.conf-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.conf-years {
    font-size: 0.8rem;
    color: var(--ctp-overlay1);
    font-family: 'JetBrains Mono', monospace;
}

/* Contact */
#contact {
    background-color: var(--ctp-mantle);
}

.contact-form {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: 'Libre Franklin', sans-serif;
    font-size: 0.9rem;
    color: var(--ctp-text);
    background-color: var(--ctp-surface0);
    border: 1px solid var(--ctp-surface1);
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s ease, background-color 0.3s ease, color 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--ctp-overlay0);
}

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

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    align-self: flex-start;
    padding: 0.7rem 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ctp-crust);
    background-color: var(--accent-cyan);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.contact-form button:hover {
    opacity: 0.85;
}

.contact-alt {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--ctp-overlay1);
}

.contact-alt a {
    color: var(--ctp-subtext0);
}

.contact-alt a:hover {
    color: var(--accent-pink);
}

/* Footer */
.site-footer {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--ctp-overlay0);
    border-top: 1px solid var(--ctp-surface0);
    transition: border-color 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--ctp-mantle);
        padding: 1rem 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--ctp-surface0);
    }

    .nav-links.open {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 5rem 1rem 3rem;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    section {
        padding: 3rem 0;
    }

    .pub-meta {
        flex-wrap: wrap;
    }
}