/* ─── Canvas background layer ─── */
#solar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
}

body>nav,
body>main {
  position: relative;
  z-index: 1;
}

/* =========================
   Reset
   ========================= */

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

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

header,
main,
section,
article,
aside,
footer {
  display: block;
}

/* =========================
   Custom Properties
   ========================= */

:root {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  --bg: #090909;
  --bg-subtle: #121212;
  --fg: #e8e8e8;
  --fg-dim: #9a9a9a;
  --fg-faint: #6d6d6d;
  --accent: #ff9a3d;
  --sans: "Inter", "Space Grotesk", system-ui, sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;
}

/* =========================
   Base
   ========================= */

body {
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 100;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  background-color: var(--bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
}

a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================
   Layout
   ========================= */

.container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 3rem;
}

nav {
  display: flex;
  padding: 3rem 2rem;
}

.brand {
  margin-right: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.intro-heading {
  font-style: italic;
}

/* PROJECT */

.proj-card {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--bg-subtle);
  display: flex;
  align-items: start;
  justify-content: start;
  flex-direction: column;
  flex-wrap: wrap;
}

.proj-title {
  font-size: 1rem;
  text-transform: lowercase;
  font-style: var(--mono);
  letter-spacing: 0.08rem;
  color: var(--fg);
  margin-bottom: 0.2rem;
}

.proj-desc {
  font-size: 0.8rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  font-style: italic;
  color: var(--fg-faint);
}

/* BLOG */

.post-card {
  padding: 1rem 2rem;
  max-width: 32rem;
  border-bottom: 1px solid var(--bg-subtle);
  display: flex;
  align-items: start;
  justify-content: start;
  flex-direction: column;
  flex-wrap: wrap;
}

.post-title {
  font-family: var(--mono);
  font-size: 1rem;
  margin-bottom: 0.5em;
  text-transform: lowercase;
  letter-spacing: 0.1rem;
  color: var(--fg);
}

.post-desc {
  font-size: 0.8rem;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  font-style: italic;
  color: var(--fg-faint);
}

.post-date {
  font-size: 0.7rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  color: var(--fg-faint);
}

/* BLOG POST */

.article-post-card {
  max-width: 36rem;
  width: 100%;
  display: flex;
  align-items: start;
  justify-content: start;
  flex-direction: column;
  flex-wrap: wrap;
}

.article-date {
  font-size: 0.8rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  color: var(--fg-faint);
  padding-bottom: 1rem;
}

.article-title {
  font-family: var(--mono);
  font-weight: bold;
  font-size: 1.2rem;
  margin-bottom: 2em;
  text-transform: lowercase;
  letter-spacing: 0.1rem;
  color: var(--fg);
}

.article-paragraph {
  font-family: var(--mono);
  color: var(--fg-dim);
  font-size: 1rem;
  margin-bottom: 2em;
  letter-spacing: 0.1em;
}

.article-bold {
  font-weight: bold;
  color: var(--fg);
}

/* =========================
         Blog post — additions for technical content
         ========================= */

/* eyebrow label above the title */
.article-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: lowercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

/* italic lead paragraph */
.article-intro {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--fg-faint);
  font-style: italic;
  letter-spacing: 0.07em;
  line-height: 1.85;
  margin-bottom: 3em;
}

/* h2 — section heading */
.article-heading {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: lowercase;
  letter-spacing: 0.12em;
  color: var(--fg);
  margin-top: 3em;
  margin-bottom: 1.25em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--bg-subtle);
  width: 100%;
}

/* h3 — sub-section heading */
.article-subheading {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: bold;
  text-transform: lowercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin-top: 2em;
  margin-bottom: 0.85em;
}

/* bullet list */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 0.6em;
  margin-bottom: 2em;
  width: 100%;
}

.article-list-item {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--fg-dim);
  letter-spacing: 0.07em;
  line-height: 1.7;
  padding-left: 1.4em;
  position: relative;
}

.article-list-item::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
  top: 0.05em;
}

/* inline code */
.article-inline-code {
  font-family: var(--mono);
  background: var(--bg-subtle);
  font-size: 0.82em;
  color: var(--fg-dim);
  padding: 0.1em 0.38em;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

/* code block */
.article-code-block {
  font-family: var(--mono);
  background: var(--bg-subtle);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 0.5em 0 2em;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  width: 100%;
}

/* architecture / ascii diagram */
.article-arch-block {
  font-family: var(--mono);
  background: var(--bg-subtle);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 1.1rem;
  font-size: 0.75rem;
  line-height: 1.95;
  color: var(--fg-faint);
  overflow-x: auto;
  margin: 0.5em 0 2em;
  white-space: pre;
  letter-spacing: 0.04em;
  width: 100%;
}

/* table */
.article-table-wrap {
  overflow-x: auto;
  margin: 0.5em 0 2em;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  width: 100%;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.article-table th {
  text-align: left;
  padding: 0.6rem 0.85rem;
  color: var(--fg-faint);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--bg-subtle);
}

.article-table td {
  padding: 0.6rem 0.85rem;
  color: var(--fg-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: top;
  line-height: 1.6;
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-table td:first-child {
  color: var(--fg-faint);
  white-space: nowrap;
}

/* post footer */
.article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bg-subtle);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-faint);
  letter-spacing: 0.07em;
  line-height: 1.8;
  width: 100%;
}

/* users note callout */
.article-users-note {
  display: inline-block;
  margin-top: 1.5rem;
  background: rgba(255, 154, 61, 0.07);
  border: 1px solid rgba(255, 154, 61, 0.18);
  border-radius: 4px;
  padding: 0.4rem 0.85rem;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: lowercase;
}

@media (max-width: 600px) {
  nav {
    padding: 2rem 1rem;
  }

  .container {
    padding: 5rem 1rem;
  }
}