/* ============================================================
   jhonny arana — hand-written css, no frameworks
   ============================================================ */

:root {
  --bg: #0b0a08;
  --surface: #12100b;
  --surface-2: #1a1710;
  --line: #26221a;
  --line-soft: rgba(255, 255, 255, 0.07);
  --text: #efede4;
  --muted: #9a9385;
  --accent: #ffb224;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo,
    Consolas, monospace;
  --wrap: min(1040px, calc(100% - 3rem));
  --measure: min(72ch, 100%);
}

/* ---------- reset ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- background grid ---------- */

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(
      to right,
      rgba(255, 255, 255, 0.028) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, black 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, black 40%, transparent 100%);
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

/* ---------- typography helpers ---------- */

.mono {
  font-family: var(--mono);
}

.accent {
  color: var(--accent);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

/* ---------- layout ---------- */

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.sec {
  padding-block: 52px;
}

/* ---------- nav ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 10, 8, 0.78);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 15px;
}

.logo {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.logo::after {
  content: "_";
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color 0.18s ease;
}

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

.nav-links a[aria-current="page"] {
  color: var(--accent);
}

/* ---------- hero (condensed) ---------- */

.hero {
  padding-top: clamp(64px, 9vw, 100px);
  padding-bottom: 40px;
}

.hero-title {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  margin-bottom: 10px;
}

.hero-role {
  font-size: 0.84rem;
  color: var(--muted);
  margin-bottom: 22px;
}

.hero-type {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--muted);
  min-height: 1.6em;
}

.hero-type .ps {
  color: var(--accent);
}

.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  background: var(--accent);
  animation: blink 1.1s steps(2, start) infinite;
}

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

/* ---------- about (one-liners) ---------- */

.about-line {
  color: var(--muted);
  max-width: 68ch;
  margin-bottom: 18px;
}

.skill-lines {
  font-size: 0.8rem;
  line-height: 2;
  color: var(--muted);
}

.skill-lines .accent {
  opacity: 0.9;
}

/* ---------- rows (experience / projects / writing) ---------- */

.rows {
  border-top: 1px solid var(--line-soft);
}

.row {
  display: grid;
  grid-template-columns: 150px 1fr auto 24px;
  gap: 1.4rem;
  align-items: baseline;
  padding: 13px 10px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.18s ease;
}

.row:hover {
  background: var(--surface);
}

.row .when {
  font-size: 0.76rem;
  color: var(--muted);
}

.row .what {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: color 0.18s ease;
}

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

.row .who,
.row .extra {
  font-size: 0.78rem;
  color: var(--muted);
}

.row .tags {
  font-size: 0.76em;
  color: var(--accent);
  opacity: 0.85;
}

.row .arrow {
  font-family: var(--mono);
  color: var(--muted);
  transition: color 0.18s ease, transform 0.18s ease;
}

a.row:hover .arrow {
  color: var(--accent);
  transform: translateX(2px);
}

/* writing rows: no arrow column needed */
.row.write {
  grid-template-columns: 150px 1fr 110px;
}

/* info rows: no arrow column */
.row.info {
  grid-template-columns: 150px 1fr auto;
}

/* current learning row */
.row.cur .when {
  color: var(--accent);
}

/* ---------- more link ---------- */

.more {
  margin-top: 22px;
}

.more a {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  transition: color 0.18s ease;
}

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

/* ---------- buttons (404) ---------- */

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 1.2rem;
  color: var(--text);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.btn-ghost {
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--bg);
}

/* ---------- post page ---------- */

.post {
  padding-block: 64px;
}

.back {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 48px;
  transition: color 0.18s ease;
}

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

.post-head {
  margin-bottom: 44px;
  max-width: var(--measure);
}

.post-meta {
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.post-meta .dot-sep {
  color: var(--accent);
}

.post-head h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  margin-bottom: 16px;
}

.post-head .lead {
  color: var(--muted);
  font-size: 1.06rem;
}

.post-body {
  max-width: var(--measure);
}

.post-body h2 {
  font-size: 1.45rem;
  margin: 2.4em 0 0.8em;
}

.post-body h3 {
  font-size: 1.1rem;
  margin: 1.9em 0 0.6em;
}

.post-body p {
  margin-bottom: 1.2em;
  color: var(--text);
}

.post-body figure {
  margin: 2em 0;
}

.post-body figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.post-body figcaption {
  margin-top: 0.6em;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--mono);
}

.post-body ul,
.post-body ol {
  margin: 0 0 1.3em 1.3em;
  color: var(--text);
}

.post-body li + li {
  margin-top: 0.4em;
}

.post-body li::marker {
  color: var(--accent);
}

.post-body strong {
  color: var(--text);
}

.post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(255, 178, 36, 0.35);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.18s ease;
}

.post-body a:hover {
  text-decoration-color: var(--accent);
}

.post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1.3rem;
  color: var(--muted);
  font-style: italic;
  margin: 1.6em 0;
}

.post-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2.4em 0;
}

.post-body code {
  font-family: var(--mono);
  font-size: 0.84em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.12em 0.42em;
}

.post-body pre {
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 1.6em 0;
}

.post-body pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}

/* syntax highlighting tokens (js/syntax.js) */
.post-body .tok-k { color: #ffb224; }            /* keyword */
.post-body .tok-s { color: #8fb573; }            /* string */
.post-body .tok-c { color: #7a7468; font-style: italic; } /* comment */
.post-body .tok-n { color: #7fb2c9; }            /* number */
.post-body .tok-f { color: #d08fe0; }            /* function call */
.post-body .tok-t { color: #6ba34a; }            /* type (uppercase) */

.post-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.6em 0;
}

.post-body th,
.post-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.post-body th {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.78rem;
  max-width: var(--measure);
}

.post-nav a {
  color: var(--muted);
  transition: color 0.18s ease;
}

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

.post-nav .gap {
  flex: 1;
}

/* ---------- footer ---------- */

.site-foot {
  border-top: 1px solid var(--line-soft);
  padding-block: 44px 34px;
}

.foot-mail {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  border-bottom: 2px solid rgba(255, 178, 36, 0.3);
  padding-bottom: 3px;
  margin-bottom: 24px;
  transition: border-color 0.2s ease;
}

.foot-mail:hover {
  border-color: var(--accent);
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  padding-block: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
}

.foot-links a {
  color: var(--muted);
  transition: color 0.18s ease;
}

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

.small-print {
  margin-top: 18px;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

/* ---------- reveal ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: var(--d, 0s);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .sec {
    padding-block: 40px;
  }

  .row,
  .row.write {
    grid-template-columns: 1fr auto;
    gap: 0.3rem 1rem;
    padding: 14px 8px;
  }

  .row .what {
    grid-column: 1;
    grid-row: 2;
  }

  .row .who,
  .row .extra {
    grid-column: 1;
    grid-row: 3;
  }

  .row .arrow {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 16px;
  }

  .nav-links {
    gap: 1.1rem;
  }

  .post-nav {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}