/* ============================================
   Leo Driesch — Personal Website
   Monochrome · Monospace · Mono-size
   Hierarchy via caps + weight only
   ============================================ */

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

:root {
  --black: #000;
  --white: #fff;
  --gray: #777;
  --gray-border: #ddd;

  --font-mono: "Iosevka Custom Web", "SF Mono", "Consolas", monospace;
  --font-size: 1rem;

  --content-width: 760px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  --spacing-2xl: 8rem;
}

::selection {
  background: var(--black);
  color: var(--white);
}

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

body {
  font-family: var(--font-mono);
  font-size: var(--font-size);
  font-weight: 500;
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Everything is one size --- */

h1, h2, h3, p, a, li, span, time {
  font-size: inherit;
  font-weight: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

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

img {
  max-width: 100%;
  display: block;
}

/* --- Hierarchy through color & caps --- */

.label {
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

p.label::before,
.article-header .caps::before,
.project-header .caps::before {
  content: "# ";
}

.muted {
  color: var(--gray);
}

.dim {
  color: var(--gray);
}

.caps {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.bold {
  font-weight: 600;
}

/* --- Layout --- */

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
}

/* --- Hero / Homepage --- */

.hero {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.hero-text {
  flex: 1;
}

.hero-text .hero-title {
  color: var(--black);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
}

.hero-text p {
  color: var(--gray);
  margin-bottom: var(--spacing-sm);
}

.hero-text a {
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-text a:hover {
  color: var(--gray);
}

.hero-portrait {
  width: 280px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.hero-portrait img {
  width: 100%;
}

.hero-portrait::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--white));
  pointer-events: none;
}

/* --- Terminal Tree Timeline --- */

.timeline {
  font-variant-ligatures: none;
}

.timeline-item > span,
.tree-line {
  display: block;
  white-space: pre-wrap;
}

.tree-line {
  color: var(--gray);
}

.tree-char {
  color: var(--gray);
  font-weight: 500;
}

/* --- Project Grid --- */

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.project-card {
  display: block;
  padding: var(--spacing-md);
  border: 1px solid var(--gray-border);
  transition: border-color 0.2s;
}

.project-card:hover {
  border-color: var(--black);
}

.project-card .label {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.project-card .bold {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.project-card .muted {
  display: block;
}

.tech-stack {
  margin-top: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.tech-tag {
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--gray-border);
  padding: 0.1rem 0.4rem;
}

/* --- Post List --- */

.post-list {
  list-style: none;
}

.post-item {
  padding: var(--spacing-sm) 0;
}

.post-item:first-child {
  padding-top: 0;
}

.post-item a {
  display: block;
}

.post-item .bold {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.post-item a:hover .bold {
  color: var(--gray);
}

.post-item .dim {
  display: block;
  margin-top: 0.15rem;
}

.post-item .muted {
  display: block;
  margin-top: var(--spacing-xs);
}

/* --- Article View --- */

.article-header {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.article-header .caps {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.article-content {
  padding-bottom: var(--spacing-xl);
}

.article-content p {
  color: var(--black);
  margin-bottom: var(--spacing-sm);
}

/* --- Project Detail --- */

.project-header {
  padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.project-header .label {
  display: block;
  margin-bottom: var(--spacing-sm);
}

.project-header .caps {
  display: block;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.project-header .muted {
  display: block;
}

.project-section {
  padding: var(--spacing-lg) 0;
}

.project-section .label {
  display: block;
  margin-bottom: var(--spacing-md);
}

.project-section p {
  color: var(--black);
  margin-bottom: var(--spacing-sm);
}

.project-section img {
  width: 100vw;
  max-width: none;
  max-height: 50vh;
  object-fit: contain;
  margin-left: calc(-50vw + 50%);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-lg) calc((100vw - 100%) / 2);
  background: #f8f8f8;
}

.project-section .img-caption {
  color: var(--gray);
  margin-top: calc(-1 * var(--spacing-sm));
  margin-bottom: var(--spacing-md);
}

.project-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
  text-align: center;
}

.metric-value {
  display: block;
  font-weight: 600;
}

.metric-label {
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- About --- */

.about-content {
  padding: var(--spacing-xl) 0;
}

.about-content p {
  color: var(--black);
  margin-bottom: var(--spacing-md);
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* --- Back link --- */

.back-link {
  display: inline-block;
  color: var(--gray);
  transition: color 0.2s;
  padding-top: var(--spacing-lg);
}

.back-link:hover {
  color: var(--black);
}

/* --- Footer --- */

footer {
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

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

footer p,
footer a {
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

footer a:hover {
  color: var(--black);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

/* --- Responsive --- */

@media (max-width: 640px) {
  .hero {
    flex-direction: column-reverse;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    gap: var(--spacing-lg);
  }

  .hero-portrait {
    width: 240px;
  }

  .project-metrics {
    grid-template-columns: 1fr;
  }

  footer .container {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
}