:root {
  --bg: #0b0f10;
  --bg-soft: #101719;
  --panel: rgba(15, 22, 24, 0.94);
  --panel-alt: rgba(18, 28, 30, 0.92);
  --line: #213135;
  --line-strong: #315259;
  --text: #ecf5ee;
  --muted: #a1b5a6;
  --accent: #86efac;
  --accent-strong: #4ade80;
  --accent-warm: #facc15;
  --shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at top right, rgba(74, 222, 128, 0.12), transparent 24%),
    linear-gradient(180deg, #111617 0%, #0b0f10 40%, #080b0c 100%);
}

body.nav-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(112, 160, 122, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 160, 122, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
}

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

button,
input,
select {
  font: inherit;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 30;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #08100a;
  font-weight: 700;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(var(--container), calc(100% - 1.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(33, 49, 53, 0.8);
  background: rgba(11, 15, 16, 0.92);
  backdrop-filter: blur(12px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand,
.prompt,
.site-nav a,
.window-bar p,
.hero-note-label,
.mini-panel-value,
.record-rating,
.record-meta,
.records-controls label,
.records-select {
  font-family: "IBM Plex Mono", monospace;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.98rem;
}

.brand-prompt {
  color: var(--accent);
  font-weight: 600;
}

.brand-path {
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(25, 36, 37, 0.95);
}

.nav-toggle {
  display: none;
  min-height: 42px;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(24, 34, 36, 0.95);
  color: var(--text);
}

.hero-section {
  padding: 2.4rem 0 1.4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1rem;
  align-items: stretch;
}

.terminal-window,
.mini-panel,
.controls-shell,
.record-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(10, 14, 15, 0.98) 100%);
  box-shadow: var(--shadow);
}

.terminal-window {
  height: 100%;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 28, 30, 0.95);
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
}

.window-bar span {
  width: 0.78rem;
  height: 0.78rem;
  border-radius: 50%;
  background: #2d4449;
}

.window-bar span:nth-child(1) {
  background: #f87171;
}

.window-bar span:nth-child(2) {
  background: #facc15;
}

.window-bar span:nth-child(3) {
  background: #4ade80;
}

.window-bar p {
  margin: 0 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.terminal-body {
  padding: 1.4rem;
}

.prompt {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.85rem;
}

.terminal-body h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-copy {
  margin: 0 0 1rem;
  max-width: 40rem;
  font-size: 1.05rem;
  color: var(--text);
}

.records-controls label {
  margin: 0 0 0.35rem;
  color: var(--accent-warm);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.stack-panel {
  display: grid;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  height: 100%;
}

.mini-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding: 1.1rem;
  background: linear-gradient(180deg, var(--panel-alt) 0%, rgba(12, 17, 18, 0.98) 100%);
}

.mini-panel p:not(.prompt) {
  margin: 0;
  color: var(--text);
}

.mini-panel-value {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--accent);
  line-height: 1;
}

.records-section {
  padding: 1.2rem 0 2rem;
}

.controls-shell {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem;
  margin-bottom: 1.2rem;
}

.controls-copy h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  line-height: 1.05;
}

.records-controls {
  min-width: min(100%, 340px);
}

.records-select {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(24, 34, 36, 0.98);
  color: var(--text);
}

.records-message {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(248, 113, 113, 0.32);
  border-radius: var(--radius-md);
  background: rgba(54, 21, 21, 0.72);
  color: #ffdede;
  margin-bottom: 1.2rem;
}

.records-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.record-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.record-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #0f1719;
}

.record-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1rem 1rem 1.05rem;
  height: 100%;
}

.record-title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.25;
}

.record-artist {
  font-size: 0.95rem;
  color: #d5e5d8;
  font-weight: 600;
}

.record-meta {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.record-rating {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-size: 0.84rem;
}

.record-rating-stars {
  display: inline-flex;
  font-size: 1rem;
  line-height: 1;
}

.record-rating-stars .star {
  position: relative;
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-right: 2px;
}

.record-rating-stars .star::before {
  content: "★";
  position: absolute;
  inset: 0;
  color: rgba(255, 255, 255, 0.24);
}

.record-rating-stars .star.full::before {
  color: #f5c518;
}

.record-rating-stars .star.half::before {
  background: linear-gradient(to right,
      #f5c518 0%,
      #f5c518 50%,
      rgba(255, 255, 255, 0.24) 50%,
      rgba(255, 255, 255, 0.24) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.record-description {
  color: var(--text);
  font-size: 0.92rem;
  flex: 1;
}

.record-timestamp {
  color: var(--muted);
  font-size: 0.8rem;
}

.site-footer {
  padding: 0 0 2rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

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

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .records-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .records-grid {
    grid-template-columns: 1fr;
  }

  .stack-panel {
    grid-template-rows: none;
    height: auto;
  }

  .controls-shell {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 760px) {
  .records-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0.75rem;
    left: 0.75rem;
    display: grid;
    padding: 0.85rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(11, 15, 16, 0.98);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  body.nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(var(--container), calc(100% - 1rem));
  }

  .records-grid {
    grid-template-columns: 1fr;
  }

  .hero-section {
    padding-top: 1.5rem;
  }

  .terminal-body,
  .mini-panel,
  .controls-shell,
  .record-card-body {
    padding: 1rem;
  }
}

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

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

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