/* =============================================
   PETER HUGHES - SHARED STYLES
   Light/Dark Mode Support
   ============================================= */

:root {
    /* Dark mode (default) */
    --color-bg: #0a0a0b;
    --color-bg-elevated: rgba(17, 17, 19, 0.85);
    --color-text: #fafafa;
    --color-text-muted: #888;
    --color-accent: #c5a572;
    --color-accent-glow: rgba(197, 165, 114, 0.15);
    --color-border: rgba(255, 255, 255, 0.1);
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Satoshi', -apple-system, sans-serif;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: light) {
    :root {
        --color-bg: #f8f8fa;
        --color-bg-elevated: rgba(255, 255, 255, 0.95);
        --color-text: #1a1a1a;
        --color-text-muted: #555;
        --color-accent: #8b6914;
        --color-accent-glow: rgba(139, 105, 20, 0.1);
        --color-border: rgba(0, 0, 0, 0.08);
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}
::selection { background: var(--color-accent); color: white; }

/* Grain overlay */
.grain {
    position: fixed; inset: 0; pointer-events: none; z-index: 9998; opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: light) { .grain { opacity: 0.015; } }

/* Cursor */
.cursor {
    width: 20px; height: 20px;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    position: fixed; pointer-events: none; z-index: 9999;
    transition: transform 0.15s var(--ease-out-expo), opacity 0.15s;
    mix-blend-mode: difference;
}
.cursor.hover { transform: scale(2.5); background: var(--color-accent); opacity: 0.5; }

/* Navigation */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 1.5rem 4rem;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
@media (prefers-color-scheme: light) {
    nav { background: rgba(248, 248, 250, 0.9); }
}
.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-text);
    text-decoration: none;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s;
}
.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}
.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity 0.3s, color 0.3s;
}
.nav-links a:hover,
.nav-links a.active { opacity: 1; color: var(--color-accent); }

/* Container */
.container { max-width: 800px; margin: 0 auto; padding: 8rem 2rem 4rem; }
.container.wide { max-width: 1200px; }

/* Page Header */
.page-header {
    margin-bottom: 4rem;
    padding-top: 2rem;
}
.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.page-title em { font-style: italic; color: var(--color-accent); }
.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* Section Label */
.section-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.section-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 3rem 0 1.5rem; }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); margin: 2rem 0 1rem; }

p { margin-bottom: 1.5rem; color: var(--color-text-muted); line-height: 1.9; }
p:last-child { margin-bottom: 0; }

a { color: var(--color-accent); text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.8; }

/* Blog Post Content */
.post-content { padding-top: 2rem; }
.post-content header { margin-bottom: 3rem; text-align: center; }
.post-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}
.post-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.post-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.post-meta svg { opacity: 0.5; }

.post-body {
    font-size: 1.125rem;
    line-height: 1.9;
}
.post-body p:first-of-type::first-letter {
    font-family: var(--font-display);
    font-size: 4rem;
    float: left;
    line-height: 1;
    margin-right: 1rem;
    margin-top: 0.1rem;
    color: var(--color-accent);
}
.post-body h2 {
    font-size: 1.75rem;
    margin: 3rem 0 1.5rem;
    color: var(--color-text);
}
.post-body h3 {
    font-size: 1.35rem;
    margin: 2rem 0 1rem;
    color: var(--color-text);
}
.post-body blockquote {
    border-left: 3px solid var(--color-accent);
    margin: 2rem 0;
    padding: 1rem 2rem;
    font-style: italic;
    color: var(--color-text-muted);
    background: var(--color-bg-elevated);
}
.post-body ul, .post-body ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--color-text-muted);
}
.post-body li { margin-bottom: 0.75rem; }
.post-body code {
    background: var(--color-bg-elevated);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-size: 0.9em;
    border: 1px solid var(--color-border);
}
.post-body pre {
    background: var(--color-bg-elevated);
    padding: 1.5rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 2rem 0;
    border: 1px solid var(--color-border);
}
.post-body pre code {
    background: none;
    padding: 0;
    border: none;
}
.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin: 2rem 0;
}
.post-body a {
    color: var(--color-accent);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}
.post-body a:hover { border-color: var(--color-accent); }

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}
.post-navigation a {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 5px;
    transition: border-color 0.3s, transform 0.3s;
}
.post-navigation a:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}
.post-navigation .label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.post-navigation .title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-text);
}

/* Blog Index */
.blog-list { margin-top: 3rem; }
.blog-year {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}
.blog-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s;
}
.blog-item:hover { padding-left: 1rem; }
.blog-item-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-top: 0.3rem;
}
.blog-item-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}
.blog-item:hover .blog-item-title { color: var(--color-accent); }
.blog-item-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Resume Styles */
.resume-section { margin-bottom: 4rem; }
.resume-section h2 {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}
.resume-item {
    margin-bottom: 2.5rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--color-border);
}
.resume-item:hover { border-left-color: var(--color-accent); }
.resume-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}
.resume-item .company {
    font-size: 1rem;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}
.resume-item .dates {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}
.resume-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Skills/Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}
.tag {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    color: var(--color-text-muted);
}

/* Forms */
form { margin-top: 2rem; }
.form-group { margin-bottom: 1.5rem; }
label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}
input, textarea {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 5px;
    color: var(--color-text);
    transition: border-color 0.3s, box-shadow 0.3s;
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}
textarea { min-height: 150px; resize: vertical; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    text-decoration: none;
}
.btn:hover {
    background: var(--color-accent);
    color: white;
}

/* Footer */
footer {
    padding: 3rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    margin-top: auto;
}
.footer-left {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.footer-links {
    display: flex;
    gap: 2rem;
}
.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--color-accent); }

/* Responsive */
@media (max-width: 1024px) {
    nav { padding: 1rem 1.5rem; }
    .container { padding: 6rem 1.5rem 3rem; }
    footer { padding: 2rem 1.5rem; }
    .cursor { display: none; }
}
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: 1rem;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
    }
    .nav-links.active { display: flex; }
    .nav-links a { padding: 1rem; display: block; }
    .blog-item { grid-template-columns: 1fr; gap: 0.5rem; }
    .blog-item-date { padding-top: 0; }
    .post-navigation { grid-template-columns: 1fr; }
    .post-meta { flex-direction: column; gap: 0.5rem; }
    footer { flex-direction: column; gap: 1.5rem; text-align: center; }
}