/* =====================================================
   bitdust.nl stylesheet
   wrote this mostly at night, forgive the chaos
   ===================================================== */

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

:root {
  --black: #000;
  --white: #fff;
  --off-white: #f0f0f0;
  --mid: #888;
  --dim: #2a2a2a;
  --dim2: #3a3a3a;
  --font: 'Space Mono', monospace;
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  /* idk why this is needed but without it the scanlines bleed */
  position: relative;
}

/* ---- grain ---- */
.grain {
  pointer-events: none;
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  z-index: 999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  animation: grain-drift 8s steps(2) infinite;
}

@keyframes grain-drift {
  0%   { transform: translate(0,0); }
  10%  { transform: translate(-2%,-3%); }
  20%  { transform: translate(3%,1%); }
  30%  { transform: translate(-1%,4%); }
  40%  { transform: translate(2%,-2%); }
  50%  { transform: translate(-3%,3%); }
  60%  { transform: translate(1%,-4%); }
  70%  { transform: translate(-2%,2%); }
  80%  { transform: translate(3%,-1%); }
  90%  { transform: translate(-1%,3%); }
  100% { transform: translate(0,0); }
}

.scanlines {
  pointer-events: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 998;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(255,255,255,0.011) 3px,
    rgba(255,255,255,0.011) 4px
  );
}

/* ---- header ---- */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--dim);
  background: rgba(0,0,0,0.94);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--white);
  text-transform: lowercase;
  animation: flicker 12s infinite;
}

.logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  /* invert so on black bg the logo shows white */
  filter: invert(1);
  opacity: 0.92;
}

.logo .tld { color: var(--mid); }

@keyframes flicker {
  0%, 92%, 94%, 100% { opacity: 1; }
  93% { opacity: 0.72; }
}

#main-nav { display: flex; gap: 2rem; }

.nav-link {
  color: var(--mid);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: lowercase;
  transition: color 0.15s;
  position: relative;
}

/* underline grow on hover */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--white);
  transition: width 0.2s;
}

.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover, .nav-link.active { color: var(--white); }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px 8px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0.5rem 2rem 1rem;
  gap: 0.8rem;
  border-top: 1px solid var(--dim);
}

.mobile-nav.open { display: flex; }
.mob-link { color: var(--mid); text-decoration: none; font-size: 0.9rem; }
.mob-link:hover { color: var(--white); }

/* ---- main ---- */
#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  min-height: calc(100vh - 120px);
}

/* ---- HERO ---- */
.hero {
  padding: 7rem 0 5rem;
  max-width: 820px;
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before { content: '> '; color: var(--white); }

.hero-logo-display {
  margin-bottom: 1.8rem;
}

.hero-logo-display img {
  width: clamp(60px, 10vw, 100px);
  height: auto;
  filter: invert(1);
  opacity: 0.9;
}

.hero-title {
  font-size: clamp(3.2rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 0.93;
  letter-spacing: -0.05em;
  margin-bottom: 2rem;
  margin-left: -3px;
  animation: title-shift 15s infinite;
}

@keyframes title-shift {
  0%, 85%, 87%, 100% { text-shadow: none; transform: translateX(0); }
  86% { text-shadow: 2px 0 rgba(255,255,255,0.6), -1px 0 rgba(136,136,136,0.5); transform: translateX(1px); }
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--mid);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 3.5rem;
  font-style: italic;
}

/* hero divider line — adds a nice brutalist touch */
.hero-divider {
  width: 3rem;
  height: 1px;
  background: var(--white);
  margin-bottom: 3.5rem;
  /* idk why margin-top -1.5rem but it spaces correctly */
  margin-top: -1.5rem;
}

.hero-cta {
  display: inline-block;
  border: 1px solid var(--white);
  color: var(--white);
  text-decoration: none;
  padding: 0.7rem 1.7rem;
  font-family: var(--font);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background 0.15s, color 0.15s;
  margin-right: 0.8rem;
  margin-bottom: 0.6rem;
}

.hero-cta:hover { background: var(--white); color: var(--black); }

.hero-cta.ghost {
  border-color: var(--dim2);
  color: var(--mid);
}

.hero-cta.ghost:hover {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}

/* ---- home latest posts ---- */
.home-posts { margin-top: 5rem; padding-bottom: 6rem; }

.section-label {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 2rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--dim);
}

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

.home-post-item {
  border-bottom: 1px solid var(--dim);
  padding: 1.6rem 0;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 1rem;
  cursor: pointer;
  transition: background 0.1s, padding-left 0.15s;
}

.home-post-item:hover {
  background: rgba(255,255,255,0.025);
  padding-left: 8px;
  margin-left: -8px;
}

.home-post-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  text-decoration: none;
  display: block;
  margin-bottom: 0.2rem;
}

.home-post-title:hover { color: var(--off-white); }

.home-post-date {
  font-size: 0.72rem;
  color: var(--mid);
  white-space: nowrap;
  padding-top: 3px;
}

.home-post-tags { margin-top: 0.35rem; display: flex; gap: 0.35rem; flex-wrap: wrap; }

.tag {
  font-size: 0.62rem;
  border: 1px solid var(--dim2);
  color: var(--mid);
  padding: 1px 7px;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  transition: border-color 0.15s, color 0.15s;
}

.tag:hover { border-color: var(--mid); color: var(--white); }

/* ---- BLOG PAGE ---- */
.blog-page { padding: 4rem 0 6rem; }

.blog-page h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.blog-subtitle { color: var(--mid); font-size: 0.83rem; margin-bottom: 3rem; font-style: italic; }
.post-list { list-style: none; }
.post-list-item { border-bottom: 1px solid var(--dim); }

.post-list-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.4rem 0;
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.15s;
}

.post-list-link:hover { padding-left: 10px; }

.post-list-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.post-list-meta { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.post-list-date { font-size: 0.71rem; color: var(--mid); }
.post-list-right { text-align: right; min-width: 80px; }

.arrow-indicator {
  font-size: 0.8rem;
  color: var(--dim2);
  transition: color 0.15s, transform 0.2s;
  display: inline-block;
}

.post-list-link:hover .arrow-indicator { color: var(--white); transform: translateX(5px); }

.empty-state { padding: 4rem 0; color: var(--mid); font-size: 0.88rem; font-style: italic; }
.empty-state::before { content: '// '; }

/* ---- ABOUT PAGE ---- */
.about-page { padding: 5rem 0 6rem; max-width: 680px; }

.about-page h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 2.5rem;
  line-height: 1;
}

.about-block {
  border-left: 2px solid var(--white);
  padding-left: 1.5rem;
  margin-bottom: 2.5rem;
}

.about-block p {
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--off-white);
  margin-bottom: 1rem;
}

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

.about-links { margin-top: 3rem; display: flex; gap: 1.5rem; flex-wrap: wrap; }

.about-link {
  font-size: 0.78rem;
  color: var(--mid);
  text-decoration: none;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--dim2);
  padding-bottom: 2px;
  transition: color 0.15s, border-color 0.15s;
}

.about-link:hover { color: var(--white); border-color: var(--white); }

/* ---- POST VIEW ---- */
.post-view { padding: 3rem 0 6rem; max-width: 720px; }

.post-back {
  display: inline-block;
  color: var(--mid);
  text-decoration: none;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
  transition: color 0.15s;
}

.post-back:hover { color: var(--white); }
.post-back::before { content: '\2190 '; }

.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--dim);
}

.post-date-stamp {
  font-size: 0.7rem;
  color: var(--mid);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.post-header h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.post-tags-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.post-body { font-size: 0.93rem; line-height: 1.9; color: var(--off-white); }

.post-body h1, .post-body h2, .post-body h3 {
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 2.5rem 0 1rem;
  line-height: 1.1;
}

.post-body h1 { font-size: 1.65rem; }
.post-body h2 { font-size: 1.3rem; }
.post-body h3 { font-size: 1.05rem; }
.post-body p { margin-bottom: 1.4rem; }

.post-body a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: var(--dim2);
  transition: text-decoration-color 0.15s;
}

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

.post-body code {
  font-family: var(--font);
  background: #1a1a1a;
  border: 1px solid var(--dim2);
  padding: 1px 6px;
  font-size: 0.86em;
  border-radius: 2px;
}

.post-body pre {
  background: #0d0d0d;
  border: 1px solid var(--dim);
  padding: 1.2rem 1.4rem;
  overflow-x: auto;
  margin-bottom: 1.6rem;
  font-size: 0.84rem;
  line-height: 1.65;
  /* subtle left accent */
  border-left: 2px solid var(--white);
}

.post-body pre code { background: none; padding: 0; border: none; border-radius: 0; }

.post-body blockquote {
  border-left: 3px solid var(--white);
  padding-left: 1.2rem;
  margin: 1.5rem 0;
  color: var(--mid);
  font-style: italic;
}

.post-body ul, .post-body ol { padding-left: 1.4rem; margin-bottom: 1.4rem; }
.post-body li { margin-bottom: 0.4rem; }

.post-body img {
  max-width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) contrast(1.1);
  margin: 1.5rem 0;
  border: 1px solid var(--dim);
}

.post-body hr { border: none; border-top: 1px solid var(--dim); margin: 2.5rem 0; }

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.6rem;
  font-size: 0.86rem;
}

.post-body th {
  text-align: left;
  border-bottom: 1px solid var(--white);
  padding: 0.5rem 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
}

.post-body td {
  border-bottom: 1px solid var(--dim);
  padding: 0.6rem 0.8rem;
  color: var(--off-white);
}

/* ---- FOOTER ---- */
#site-footer {
  border-top: 1px solid var(--dim);
  padding: 1.2rem 2rem;
  text-align: center;
  font-size: 0.68rem;
  color: var(--dim2);
  letter-spacing: 0.08em;
}

/* utils */
.cursor-blink::after { content: '_'; animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.loading { padding: 4rem 0; color: var(--mid); font-size: 0.84rem; }
.loading::before { content: '> '; }

/* ---- 404 ---- */
.notfound-wrap { padding: 5rem 0 4rem; max-width: 700px; }

.notfound-code {
  font-size: clamp(5rem, 18vw, 11rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.06em;
  margin-left: -4px;
  position: relative;
  animation: glitch-404 6s infinite;
}

.notfound-code::before,
.notfound-code::after {
  content: '404';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  overflow: hidden;
}

.notfound-code::before {
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% 38%, 0 38%);
  animation: glitch-top 6s infinite;
  opacity: 0;
}

.notfound-code::after {
  color: var(--white);
  clip-path: polygon(0 62%, 100% 62%, 100% 100%, 0 100%);
  animation: glitch-bot 6s infinite;
  opacity: 0;
}

@keyframes glitch-404 {
  0%, 88%, 93%, 100% { transform: none; }
  89% { transform: skewX(-1deg); }
  90% { transform: skewX(1.5deg) translateX(-2px); }
  91% { transform: none; }
  92% { transform: skewX(-0.5deg) translateX(1px); }
}

@keyframes glitch-top {
  0%, 88%, 93%, 100% { opacity: 0; transform: none; }
  89% { opacity: 1; transform: translateX(-4px); }
  90% { opacity: 1; transform: translateX(3px); }
  91%, 92% { opacity: 0; }
}

@keyframes glitch-bot {
  0%, 89%, 94%, 100% { opacity: 0; transform: none; }
  90% { opacity: 1; transform: translateX(4px); }
  91% { opacity: 1; transform: translateX(-2px); }
  92%, 93% { opacity: 0; }
}

.notfound-terminal {
  margin: 2rem 0 2.5rem;
  border: 1px solid var(--dim);
  border-left: 2px solid var(--white);
  padding: 1.2rem 1.4rem;
  max-width: 500px;
  background: #060606;
}

.notfound-terminal .t-line {
  font-size: 0.79rem;
  color: var(--mid);
  line-height: 1.9;
  display: block;
}

.notfound-terminal .t-line.t-err { color: var(--white); }
.notfound-terminal .t-line.t-prompt::before { content: '$ '; color: var(--white); }
.notfound-terminal .t-line.t-output::before { content: '  '; }

.notfound-msg {
  font-size: 0.88rem;
  color: var(--mid);
  margin-bottom: 2.5rem;
  font-style: italic;
  max-width: 440px;
  line-height: 1.75;
}

.notfound-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ==============================
   RESPONSIVE
   ============================== */

@media (max-width: 768px) {
  .header-inner { padding: 0.75rem 1.2rem; }
  #main-nav { display: none; }
  .hamburger { display: block; }
  #app { padding: 0 1.2rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .hero-title { margin-left: 0; }
  .home-post-item { grid-template-columns: 1fr; gap: 0.3rem; }
  .post-list-link { grid-template-columns: 1fr; gap: 0.5rem; }
  .post-list-right { display: none; }
  .about-page { padding: 3rem 0 4rem; }
  #site-footer { padding: 1rem 1.2rem; }
  .notfound-wrap { padding: 3rem 0 3rem; }
  .notfound-actions { flex-direction: column; }
  .notfound-actions .hero-cta { text-align: center; }
}

@media (max-width: 480px) {
  .hero-sub { font-size: 0.88rem; }
  .hero-cta { display: block; text-align: center; margin-right: 0; }
}

@media (min-width: 1440px) {
  .hero { padding: 9rem 0 6rem; }
  .hero-title { font-size: 8rem; }
}