/* ============================================================
   NEON ARCADE — Brutalist Gaming Store
   Palette: dark-first CRT-neon. Light mode inverts to
   high-contrast arcade-cabinet paper.
   ============================================================ */

:root {
  --bg:          #0f0e0c;
  --paper:       #1a1814;
  --ink:         #e8dfd0;
  --muted:       #7a7163;
  --rule:        #2e2a22;
  --accent:      #ff2d55;
  --accent2:     #00e5ff;
  --accent3:     #ffd600;
  --glow:        rgba(255, 45, 85, 0.25);
  --glow2:       rgba(0, 229, 255, 0.2);
  --card-bg:     #1a1814;
  --card-border: #2e2a22;
  --btn-bg:      #ff2d55;
  --btn-ink:     #0f0e0c;
  --btn-outline: #ff2d55;
  --hero-badge:  #ff2d55;
  --hero-badge-text: #0f0e0c;
}

:root[data-theme="dark"] {
  --bg:          #0f0e0c;
  --paper:       #1a1814;
  --ink:         #e8dfd0;
  --muted:       #7a7163;
  --rule:        #2e2a22;
  --accent:      #ff2d55;
  --accent2:     #00e5ff;
  --accent3:     #ffd600;
  --glow:        rgba(255, 45, 85, 0.25);
  --glow2:       rgba(0, 229, 255, 0.2);
  --card-bg:     #1a1814;
  --card-border: #2e2a22;
  --btn-bg:      #ff2d55;
  --btn-ink:     #0f0e0c;
  --btn-outline: #ff2d55;
  --hero-badge:  #ff2d55;
  --hero-badge-text: #0f0e0c;
}

:root[data-theme="light"] {
  --bg:          #f0ebe0;
  --paper:       #ffffff;
  --ink:         #1a1814;
  --muted:       #6b6358;
  --rule:        #d4cabc;
  --accent:      #c41e3a;
  --accent2:     #0077b6;
  --accent3:     #b8860b;
  --glow:        rgba(196, 30, 58, 0.12);
  --glow2:       rgba(0, 119, 182, 0.1);
  --card-bg:     #ffffff;
  --card-border: #d4cabc;
  --btn-bg:      #c41e3a;
  --btn-ink:     #ffffff;
  --btn-outline: #c41e3a;
  --hero-badge:  #c41e3a;
  --hero-badge-text: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg:          #0f0e0c;
    --paper:       #1a1814;
    --ink:         #e8dfd0;
    --muted:       #7a7163;
    --rule:        #2e2a22;
    --accent:      #ff2d55;
    --accent2:     #00e5ff;
    --accent3:     #ffd600;
    --glow:        rgba(255, 45, 85, 0.25);
    --glow2:       rgba(0, 229, 255, 0.2);
    --card-bg:     #1a1814;
    --card-border: #2e2a22;
    --btn-bg:      #ff2d55;
    --btn-ink:     #0f0e0c;
    --btn-outline: #ff2d55;
    --hero-badge:  #ff2d55;
    --hero-badge-text: #0f0e0c;
  }
}

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  transition: background-color .2s ease, color .2s ease;
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

a { color: var(--accent2); text-underline-offset: 0.15em; }
a:hover { color: var(--accent); }

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

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

/* === TOPBAR === */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 3px solid var(--accent);
  padding: 0 1.5rem;
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 56px;
}

.logo {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  white-space: nowrap;
}

.topbar-inner nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}

.topbar-inner nav a {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color .15s, color .15s;
}

.topbar-inner nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

[data-theme-toggle] {
  background: none;
  border: 2px solid var(--rule);
  color: var(--ink);
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  transition: border-color .15s, color .15s;
}

[data-theme-toggle]:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* === HERO === */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  background: var(--hero-badge);
  color: var(--hero-badge-text);
  padding: 0.3rem 0.8rem;
  margin-bottom: 1.5rem;
  border-radius: 2px;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin: 0 0 1rem;
  text-shadow: 0 0 40px var(--glow), 0 0 80px var(--glow);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 40ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-marquee {
  overflow: hidden;
  border-top: 2px solid var(--rule);
  border-bottom: 2px solid var(--rule);
  padding: 0.6rem 0;
  margin-top: 1rem;
}

.hero-marquee span {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent2);
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}

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

/* === BUTTONS === */
.btn {
  display: inline-block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.75rem 1.75rem;
  text-decoration: none;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all .15s;
  border-radius: 2px;
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-ink);
  border-color: var(--btn-bg);
}

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

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--bg);
}

/* === SECTIONS === */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin: 0 0 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
}

/* === STOCK GRID === */
.stock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
  position: relative;
}

.card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--glow);
}

.card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--accent);
  color: var(--btn-ink);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.card-img {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon {
  font-size: 2.5rem;
  opacity: 0.7;
}

.card-body {
  padding: 1rem;
  border-top: 2px solid var(--card-border);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  color: var(--ink);
}

.card-meta {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.card-price {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent3);
  margin: 0;
}

/* === ABOUT === */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.about-block {
  border: 2px solid var(--rule);
  padding: 1.5rem;
  border-radius: 2px;
}

.about-number {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent2);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.about-block p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* === CONTACT === */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-info p {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-info strong {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--accent2);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contact-form label span {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--rule);
  padding: 0.6rem 0.75rem;
  border-radius: 2px;
  transition: border-color .15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

.contact-form .btn {
  align-self: flex-start;
}

.form-status {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--accent2);
  margin: 0;
}

/* === FOOTER === */
.footer {
  border-top: 3px solid var(--accent);
  margin-top: 2rem;
  padding: 2rem 1.5rem;
}

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

.logo-sm {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.footer .muted { font-size: 0.8rem; }
.footer .attribution { font-size: 0.7rem; opacity: 0.6; }
.footer .attribution a { color: var(--muted); }

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero-marquee span { animation: none; }
  html { scroll-behavior: auto; }
}

/* === RESPONSIVE === */
@media (max-width: 700px) {
  .topbar { padding: 0 1rem; }
  .topbar-inner { gap: 0.75rem; }
  .topbar-inner nav { gap: 0.75rem; }
  .topbar-inner nav a { font-size: 0.7rem; }

  .hero { padding: 2rem 1rem 1.5rem; }
  .hero-actions { flex-direction: column; align-items: center; }

  .section { padding: 2rem 1rem; }
  .stock-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }

  .contact-layout { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
}