/* =============================================================================
   sotoalt.com - minimal terminal aesthetic
   ============================================================================= */

:root {
    --bg: #0a0a0a;
    --bg-alt: #0f0f0f;
    --fg: #e0e0e0;
    --fg-dim: #8a8a8a;
    --fg-muted: #555;
    --accent: #7aa2f7;
    --accent-dim: #3d59a1;
    --green: #9ece6a;
    --purple: #c4a7e7;
    --orange: #e0af68;
    --red: #f7768e;
    --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --max-width: 680px;
}

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

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

body {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--fg);
    background: var(--bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--accent);
    color: var(--bg);
}

/* Layout */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 1.5rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

.sigil {
    font-size: 0.6rem;
    line-height: 1.2;
    color: var(--fg-muted);
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--fg);
    margin-bottom: 0.25rem;
    text-shadow: 0 0 20px rgba(122, 162, 247, 0.15);
}

.tagline {
    font-size: 0.8125rem;
    color: var(--fg-dim);
    font-style: italic;
}

/* Navigation */
nav {
    text-align: center;
    margin: 2rem 0;
}

nav a {
    color: var(--fg-dim);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: color 0.2s;
}

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

nav .sep {
    color: var(--fg-muted);
    margin: 0 0.75rem;
}

/* Sections */
section {
    margin: 2.5rem 0;
}

h2 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--purple);
    margin-bottom: 1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Horizontal rules */
hr {
    border: none;
    border-top: 1px solid var(--fg-muted);
    margin: 2rem 0;
    opacity: 0.3;
}

/* Paragraphs */
p {
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

em {
    color: var(--accent);
    font-style: normal;
}

strong {
    color: var(--green);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Intro section */
#intro p {
    color: var(--fg-dim);
}

/* Now section */
.updated {
    font-size: 0.75rem;
    color: var(--fg-muted);
    margin-bottom: 1rem;
}

#now ul li {
    border-left: 2px solid var(--accent-dim);
    padding-left: 1rem;
    margin-left: 0;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease;
}

#now ul li::before {
    display: none;
}

#now ul li:hover {
    border-left-color: var(--accent);
}

/* Lists */
ul {
    list-style: none;
}

ul li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.75rem;
}

ul li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--fg-muted);
}

/* Posts list */
.posts li {
    display: flex;
    gap: 1rem;
    align-items: baseline;
}

.posts .date {
    font-size: 0.75rem;
    color: var(--fg-muted);
    flex-shrink: 0;
}

.posts a {
    color: var(--fg);
    font-weight: 500;
}

/* Projects list */
.projects .desc {
    color: var(--fg-dim);
    font-size: 0.8125rem;
}

.projects .wip {
    color: var(--orange);
}

/* Links section */
.links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.links li {
    padding-left: 0;
}

.links li::before {
    display: none;
}

/* Links */
a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--fg);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 3px;
}

/* Footer */
footer {
    margin-top: 4rem;
    text-align: center;
}

.colophon {
    font-size: 0.75rem;
    color: var(--fg-muted);
}

.symbol {
    opacity: 0.5;
}

/* Corner glyphs - esoteric touches */
.glyph {
    position: fixed;
    font-size: 1rem;
    color: var(--fg-muted);
    opacity: 0.15;
    pointer-events: none;
    user-select: none;
}

.top-left { top: 1rem; left: 1rem; }
.top-right { top: 1rem; right: 1rem; }
.bottom-left { bottom: 1rem; left: 1rem; }
.bottom-right { bottom: 1rem; right: 1rem; }

/* Responsive */
@media (max-width: 480px) {
    main {
        padding: 2rem 1rem;
    }

    .sigil {
        font-size: 0.5rem;
    }

    h1 {
        font-size: 1.125rem;
    }

    nav .sep {
        margin: 0 0.5rem;
    }

    .posts li {
        flex-direction: column;
        gap: 0.25rem;
    }

    .links {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* Subtle scanline effect (optional, adds to terminal feel) */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    z-index: 9999;
}

/* Cursor blink animation for potential terminal effect */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.cursor::after {
    content: '_';
    animation: blink 1s infinite;
}

/* =============================================================================
   Animations - subtle, terminal-inspired
   ============================================================================= */

/* Fade in on page load */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInSlow {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Staggered entrance for main content */
main > header { animation: fadeIn 0.4s ease-out both; }
main > nav { animation: fadeIn 0.4s ease-out 0.1s both; }
main > section:nth-of-type(1) { animation: fadeIn 0.4s ease-out 0.15s both; }
main > section:nth-of-type(2) { animation: fadeIn 0.4s ease-out 0.2s both; }
main > section:nth-of-type(3) { animation: fadeIn 0.4s ease-out 0.25s both; }
main > section:nth-of-type(4) { animation: fadeIn 0.4s ease-out 0.3s both; }
main > section:nth-of-type(5) { animation: fadeIn 0.4s ease-out 0.35s both; }
main > footer { animation: fadeIn 0.4s ease-out 0.4s both; }

/* Glyphs fade in slower */
.glyph { animation: fadeInSlow 1.5s ease-out 0.5s both; }

/* Link hover effects */
a {
    position: relative;
    transition: color 0.2s ease;
}

nav a::after,
.posts a::after,
.projects a::after,
.links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.25s ease;
}

nav a:hover::after,
.posts a:hover::after,
.projects a:hover::after,
.links a:hover::after {
    width: 100%;
}

/* Subtle glow on link hover */
nav a:hover,
.posts a:hover {
    text-shadow: 0 0 8px var(--accent-dim);
}

/* List item hover effects */
ul li {
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.posts li:hover,
.projects li:hover {
    transform: translateX(4px);
}

.posts li::before,
.projects li::before {
    transition: color 0.2s ease;
}

.posts li:hover::before,
.projects li:hover::before {
    color: var(--accent);
}

/* Sigil subtle pulse */
@keyframes sigilPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.4; }
}

.sigil {
    animation: sigilPulse 4s ease-in-out infinite;
}

/* HR subtle fade-in */
hr {
    animation: fadeInSlow 0.6s ease-out both;
}

/* =============================================================================
   Project cards with images
   ============================================================================= */

.project-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 0.75rem 0;
    transition: background 0.2s ease;
}

.project-card:hover {
    background: var(--bg-alt);
    margin-left: -0.5rem;
    padding-left: 0.5rem;
    margin-right: -0.5rem;
    padding-right: 0.5rem;
    border-radius: 4px;
}

.project-thumb {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-alt);
    border: 1px solid var(--fg-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.project-card:hover .project-thumb {
    border-color: var(--accent-dim);
    transform: scale(1.05);
}

.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-thumb .placeholder {
    font-size: 1.25rem;
    color: var(--fg-muted);
}

.project-info {
    flex: 1;
    min-width: 0;
}

.project-info a,
.project-info .wip {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--fg);
    letter-spacing: 0.02em;
}

.project-info a:hover {
    color: var(--accent);
    text-shadow: 0 0 8px var(--accent-dim);
}

.project-info .wip {
    color: var(--orange);
}

/* =============================================================================
   Images in articles
   ============================================================================= */

article .content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--fg-muted);
    margin: 1.5rem 0;
    display: block;
}

article .content figure {
    margin: 1.5rem 0;
}

article .content figcaption {
    font-size: 0.75rem;
    color: var(--fg-muted);
    text-align: center;
    margin-top: 0.5rem;
    font-style: italic;
}

/* Image hover effect */
article .content img {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

article .content img:hover {
    border-color: var(--accent-dim);
    box-shadow: 0 0 12px rgba(122, 162, 247, 0.15);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============================================================================
   Article/Post pages
   ============================================================================= */

/* Breadcrumb navigation */
.breadcrumb {
    text-align: left;
    margin-bottom: 3rem;
}

.breadcrumb .current {
    color: var(--fg-dim);
}

/* Post header */
.post-header {
    text-align: left;
    margin-bottom: 2.5rem;
}

.post-header h1 {
    font-size: 1.5rem;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
}

.meta {
    font-size: 0.75rem;
    color: var(--fg-muted);
}

/* Article content */
article .content h2 {
    font-size: 1rem;
    color: var(--green);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

article .content p {
    color: var(--fg-dim);
}

article .content ul {
    margin: 1rem 0;
}

/* Footnote */
.footnote {
    font-size: 0.8125rem;
    color: var(--fg-muted);
    font-style: italic;
}

/* Nav footer */
.nav-footer {
    text-align: left;
}

.nav-footer a {
    color: var(--fg-muted);
    font-size: 0.8125rem;
}

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