@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Space+Grotesk:wght@400;600&display=swap');

:root {
  --bg: #010103;
  --bg-alt: #050608;
  --panel: #090c12;
  --primary: #ff1e41;
  --accent: #00f5b0;
  --text: #f4f6f8;
  --muted: #9aa0ad;
  --border: rgba(255, 30, 65, 0.35);
  --shadow: rgba(255, 30, 65, 0.25);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', 'Share Tech Mono', monospace;
  background: radial-gradient(circle at top, rgba(255, 30, 65, 0.12), transparent 55%), var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0, rgba(255, 255, 255, 0.015) 2px, transparent 3px, transparent 4px);
  opacity: 0.4;
  pointer-events: none;
  mix-blend-mode: screen;
  animation: flicker 6s infinite;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem clamp(1rem, 4vw, 3rem);
  background: rgba(1, 1, 3, 0.92);
  border-bottom: 1px solid rgba(255, 30, 65, 0.25);
  backdrop-filter: blur(6px);
}

.top-nav__brand {
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.5em;
  text-transform: uppercase;
}

.top-nav__brand span {
  color: var(--primary);
}

.top-nav__links {
  display: flex;
  gap: 1.2rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.top-nav__links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  padding-bottom: 0.2rem;
  border-bottom: 2px solid transparent;
}

.top-nav__links a[aria-current="page"] {
  border-color: var(--primary);
  color: var(--primary);
}

.top-nav__links a:hover {
  border-color: var(--accent);
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.lang-switch__btn {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 0.35rem 0.65rem;
  border-radius: 0.5rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.lang-switch__btn.is-active {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255, 30, 65, 0.12);
}

.lang-switch__btn:hover {
  border-color: var(--accent);
}

main {
  padding: 3.5rem clamp(1.5rem, 4vw, 5rem);
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.catalog {
  padding-top: 2rem;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 2fr) minmax(260px, 1fr);
  gap: 2.5rem;
  padding: 3rem clamp(1.5rem, 4vw, 5rem);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(5, 6, 8, 0.95), rgba(10, 12, 18, 0.95)), var(--bg-alt);
  box-shadow: 0 25px 60px var(--shadow);
  overflow: hidden;
}

.hero--no-poster {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero--compact {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 2px, transparent 3px, transparent 4px);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: scan 8s linear infinite;
}

.hero__poster--alt img {
  filter: grayscale(0.5) contrast(1.2);
}

.hero__content h1 {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin: 0.4rem 0;
}

.badge {
  display: inline-flex;
  padding: 0.25rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 30, 65, 0.08);
  color: var(--primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.hero__actions {
  margin-top: 1.8rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.85rem 1.75rem;
  border-radius: 0.6rem;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #030104;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 0 20px rgba(255, 30, 65, 0.4);
}

.hero__content {
  grid-column: 1;
}

.hero__grid {
  display: grid;
  gap: 1rem;
  grid-column: 1;
}

.hero__poster {
  position: relative;
  border-radius: 1.1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  min-height: 320px;
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.45);
  justify-self: end;
  max-width: 420px;
  grid-column: 2;
  grid-row: 1 / span 2;
}

.hero__poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) contrast(1.15);
  transform: scale(1.05);
}

.hero__poster-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(1, 1, 3, 0.8), rgba(255, 30, 65, 0.45));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  font-family: 'Share Tech Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero__poster-mask p {
  margin: 0;
  font-size: 1.1rem;
}

.hero__poster-mask span {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.4em;
}

.terminal,
.checklist {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  background: radial-gradient(circle at top, rgba(0, 245, 176, 0.08), transparent 60%), rgba(3, 6, 12, 0.9);
}

.terminal__title {
  margin-top: 0;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
}

pre {
  font-family: 'Share Tech Mono', monospace;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 0.75rem;
  padding: 0.85rem;
  border: 1px solid rgba(0, 245, 176, 0.25);
  color: var(--accent);
  overflow-x: auto;
  box-shadow: inset 0 0 25px rgba(0, 245, 176, 0.1);
}

.hero__ticker {
  grid-column: 1 / -1;
  margin-top: 1rem;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero__ticker p {
  margin: 0;
  padding: 0.75rem 0;
  font-family: 'Share Tech Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  animation: ticker 18s linear infinite;
  white-space: nowrap;
}

.glitch {
  position: relative;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  clip-path: inset(0 0 0 0);
  opacity: 0.75;
}

.glitch::before {
  color: var(--primary);
  transform: translate(-2px, -1px);
  animation: glitch 3s infinite;
}

.glitch::after {
  color: var(--accent);
  transform: translate(2px, 1px);
  animation: glitch 2.5s infinite reverse;
}

.section {
  background: linear-gradient(135deg, rgba(4, 6, 10, 0.95), rgba(7, 9, 18, 0.95));
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 30, 65, 0.15);
  padding: 2.75rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

.section--alt {
  background: linear-gradient(135deg, rgba(9, 11, 18, 0.95), rgba(2, 3, 6, 0.95));
}

.section__head h2 {
  margin: 0.4rem 0 0.25rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section__head p {
  color: var(--muted);
  max-width: 720px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  margin-top: 2.25rem;
}

.card {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--panel);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 30, 65, 0.12), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  font-family: 'Share Tech Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card ul {
  margin: 0.9rem 0 1rem;
  padding-left: 1.1rem;
  color: var(--muted);
}

.card ul li + li {
  margin-top: 0.4rem;
}

.card ul strong,
.card code {
  color: var(--text);
}

.command-section .section__head h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.command-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.command-card {
  padding: 1.3rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(5, 6, 10, 0.85);
  min-height: 210px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.command-card h3 {
  margin: 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Share Tech Mono', monospace;
}

.command-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.command-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text);
  font-size: 0.9rem;
}

.command-card li + li {
  margin-top: 0.4rem;
}

.command-card code {
  display: inline-block;
  padding: 0.15rem 0.3rem;
  background: rgba(255, 30, 65, 0.12);
  border-radius: 0.25rem;
}

.section--visual {
  background: radial-gradient(circle at top, rgba(255, 30, 65, 0.08), rgba(2, 2, 4, 0.95));
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.visual-card {
  position: relative;
  margin: 0;
  border-radius: 1rem;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-size: cover;
  background-position: center;
  background-image: var(--img);
  display: flex;
  align-items: flex-end;
  isolation: isolate;
}

.visual-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(1, 1, 3, 0.95) 100%);
  z-index: 1;
}

.visual-card figcaption {
  position: relative;
  z-index: 2;
  padding: 1.2rem;
  font-family: 'Share Tech Mono', monospace;
  letter-spacing: 0.05em;
}

.visual-card--wide {
  grid-column: span 2;
  min-height: 260px;
}

.visual-card--portrait {
  min-height: 320px;
}

.visual-card figcaption span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.section--quote {
  background: linear-gradient(120deg, rgba(1, 1, 3, 0.9), rgba(255, 30, 65, 0.05));
  border: 1px dashed rgba(255, 30, 65, 0.4);
}

.section--quote blockquote {
  margin: 0;
  font-size: 1.4rem;
  font-family: 'Share Tech Mono', monospace;
  line-height: 1.6;
  position: relative;
}

.section--quote blockquote::before {
  content: '>';
  color: var(--primary);
  margin-right: 0.5rem;
}

.section--quote blockquote span {
  display: block;
  font-size: 0.9rem;
  color: var(--accent);
  margin-top: 0.75rem;
}

.quote__meta {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.timeline article {
  border-left: 3px solid var(--primary);
  padding-left: 1.2rem;
  background: rgba(255, 30, 65, 0.04);
  border-radius: 0.5rem;
}

.timeline ul {
  margin: 0.75rem 0 0;
  padding-left: 1rem;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.practice {
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.6rem;
  background: var(--panel);
}

.practice h3 {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Share Tech Mono', monospace;
}

.practice ol {
  padding-left: 1.2rem;
  color: var(--muted);
}

.footer {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  color: var(--muted);
  font-family: 'Share Tech Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

@media (max-width: 640px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero__content,
  .hero__grid,
  .hero__poster {
    grid-column: 1;
    grid-row: auto;
  }
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  .btn {
    text-align: center;
    width: 100%;
  }
  .top-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .lang-switch {
    width: 100%;
    justify-content: flex-end;
  }
  .section {
    padding: 1.75rem;
  }
  .visual-card--wide,
  .visual-card--portrait {
    grid-column: span 1;
    min-height: 220px;
  }
}

@keyframes flicker {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.2; }
}

@keyframes scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

@keyframes glitch {
  0% { clip-path: inset(80% 0 0 0); }
  20% { clip-path: inset(10% 0 85% 0); }
  40% { clip-path: inset(40% 0 43% 0); }
  60% { clip-path: inset(80% 0 5% 0); }
  80% { clip-path: inset(50% 0 30% 0); }
  100% { clip-path: inset(10% 0 85% 0); }
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}