/* ============================================================
   Because, I Can — Cyberphunk theme
   ============================================================ */

@font-face {
  font-family: "DOS";
  src: url("/fonts/PerfectDOSVGA437Win.woff2") format("woff2");
  font-display: swap;
}

:root {
  --bg:        #050807;
  --bg-grid:   #0c1512;
  --panel:     #0a1311;
  --ink:       #c8ffe0;
  --neon:      #19f7c2;   /* primary phosphor cyan-green */
  --neon-dim:  #0e8f73;
  --magenta:   #ff2a6d;
  --amber:     #ffb000;
  --violet:    #b967ff;
  --line:      #154b40;
  --scan:      rgba(0,0,0,0.28);
  --glow:      0 0 4px var(--neon), 0 0 11px rgba(25,247,194,0.45);
  --glow-magenta: 0 0 4px var(--magenta), 0 0 11px rgba(255,42,109,0.45);
  --glow-amber:    0 0 4px var(--amber), 0 0 11px rgba(255,176,0,0.45);

  /* legacy vars (from old theme) — remapped */
  --bg-panel:       #0a1311;
  --bg-panel-light: #0e1a16;
  --bg-terminal:    #0a1311;
  --bg-terminal-dark: #060d0b;
  --muted:          #0e8f73;
  --primary:        #19f7c2;
  --primary-dark:   #0e8f73;
  --primary-light:  #5cffd8;
  --alert:          #ff2a6d;
  --alert-dark:     #9f1a40;
  --alert-light:    #ff6b8a;
  --blue:           #4ac8ff;
  --amber:          #ffb000;
  --radius-sm:      0px;
  --radius-md:      2px;
  --radius-lg:      4px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 16px;
  -webkit-font-smoothing: none;
  text-rendering: geometricPrecision;
}

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- background field ---------------------------------------------------- */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(25,247,194,0.10), transparent 60%),
    linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0 / 100% 38px,
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px) 0 0 / 38px 100%,
    var(--bg);
  background-blend-mode: screen, normal, normal, normal;
  animation: grid-drift 40s linear infinite;
}
@keyframes grid-drift {
  from { background-position: 50% 0, 0 0, 0 0, 0 0; }
  to   { background-position: 50% 0, 0 38px, 38px 0, 0 0; }
}

/* ---- CRT overlays -------------------------------------------------------- */
#crt-overlay {
  position: fixed; inset: 0; z-index: 9000; pointer-events: none;
  background: repeating-linear-gradient(0deg, var(--scan) 0, var(--scan) 1px, transparent 1px, transparent 3px);
  mix-blend-mode: multiply;
}
#crt-overlay::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.55) 100%);
}
#crt-flicker {
  position: fixed; inset: 0; z-index: 9001; pointer-events: none;
  background: rgba(25,247,194,0.02); animation: flicker 6s infinite steps(1);
}
@keyframes flicker {
  0%,97%,100% { opacity: .15; }
  98% { opacity: .35; }
  99% { opacity: .05; }
}

/* ---- section backgrounds ------------------------------------------------ */
.section {
  position: relative;
  z-index: 1;
  padding: 80px 0;
}
.section-alt {
  background: linear-gradient(180deg, rgba(10,19,17,0.6), rgba(5,8,7,0.8));
}
.section-dark {
  background: linear-gradient(180deg, #020806, #050807);
}

/* ---- headings ----------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--neon);
  text-shadow: var(--glow);
  font-family: "DOS", "JetBrains Mono", monospace;
  font-weight: 700;
  letter-spacing: 1px;
}
h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 60px;
  text-align: center;
}
h3 {
  color: var(--neon);
  font-size: 1.25rem;
  margin-bottom: 20px;
}

/* ---- body text ---------------------------------------------------------- */
p {
  color: var(--ink);
  font-family: "DOS", "JetBrains Mono", monospace;
  line-height: 1.8;
  font-size: 1rem;
}

/* ---- terminal cards ----------------------------------------------------- */
.terminal-card {
  background-color: var(--bg-terminal);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-normal) ease, border-color var(--transition-normal) ease;
}
.terminal-card:hover {
  box-shadow: var(--glow);
  border-color: var(--neon);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background-color: var(--bg-terminal-dark);
  border-bottom: 1px solid var(--line);
}
.window-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: transform var(--transition-fast) ease;
}
.window-dot:nth-child(1) { background-color: #ff5f57; }
.window-dot:nth-child(2) { background-color: #febc2e; }
.window-dot:nth-child(3) { background-color: #28c840; }
.terminal-header:hover .window-dot { transform: scale(1.1); }
.terminal-title {
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--muted);
  margin-left: 8px;
}
.terminal-body {
  padding: 20px;
}

/* ---- pricing cards ----------------------------------------------------- */
.pricing-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.pricing-card .price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--neon);
  text-shadow: var(--glow);
  font-family: "DOS", "JetBrains Mono", monospace;
}
.pricing-card .price {
  color: var(--neon);
  text-shadow: var(--glow);
}
.pricing-card .price {
  color: var(--neon);
  text-shadow: var(--glow);
}

/* ---- buttons ----------------------------------------------------------- */
.btn-primary-custom {
  display: inline-block;
  padding: 12px 32px;
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--bg);
  background: var(--neon);
  border: 0;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  text-shadow: none;
  box-shadow: 0 0 12px rgba(25,247,194,0.6);
  transition: all var(--transition-fast) ease;
}
.btn-primary-custom:hover {
  background: var(--primary-light);
  box-shadow: 0 0 20px rgba(25,247,194,0.8);
  transform: translateY(-1px);
}
.btn-secondary-custom {
  display: inline-block;
  padding: 12px 32px;
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--neon);
  background: transparent;
  border: 1px solid var(--neon);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--glow);
  transition: all var(--transition-fast) ease;
}
.btn-secondary-custom:hover {
  background: rgba(25,247,194,0.15);
  box-shadow: 0 0 20px rgba(25,247,194,0.8);
  transform: translateY(-1px);
}

/* ---- FAQ accordion ----------------------------------------------------- */
.faq-item {
  margin-bottom: 1px;
  background-color: var(--bg-panel);
  transition: background-color var(--transition-fast) ease;
}
.faq-item:hover {
  background-color: var(--bg-panel-light);
}
.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "DOS", "JetBrains Mono", monospace;
  color: var(--ink);
  font-weight: 400;
  font-size: 1rem;
}
.faq-answer {
  padding: 0 24px 20px;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.8;
}
.faq-toggle {
  color: var(--neon);
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform var(--transition-fast) ease;
}
.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

/* ---- email form -------------------------------------------------------- */
.email-form {
  position: relative;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.email-input {
  padding: 12px 20px;
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-terminal-dark);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  min-width: 280px;
  transition: border-color var(--transition-fast) ease, box-shadow var(--transition-fast) ease;
}
.email-input:focus {
  border-color: var(--neon);
  box-shadow: var(--glow);
}
.email-input::placeholder {
  color: var(--muted);
}
.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

/* ---- about author card ------------------------------------------------ */
.about-card {
  padding: 40px;
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  transition: box-shadow var(--transition-normal) ease, border-color var(--transition-normal) ease;
}
.about-card:hover {
  box-shadow: var(--glow);
  border-color: var(--neon);
}

/* ---- chapter cards ---------------------------------------------------- */
.chapter-card {
  padding: 24px;
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  text-align: center;
  transition: box-shadow var(--transition-normal) ease, border-color var(--transition-normal) ease, transform var(--transition-fast) ease;
}
.chapter-card:hover {
  box-shadow: var(--glow);
  border-color: var(--neon);
  transform: translateY(-4px);
}
.chapter-number {
  color: var(--neon);
  text-shadow: var(--glow);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

/* ---- outcome cards ---------------------------------------------------- */
.outcome-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  transition: box-shadow var(--transition-normal) ease, border-color var(--transition-normal) ease;
}
.outcome-card:hover {
  box-shadow: var(--glow);
  border-color: var(--neon);
}
.outcome-prompt {
  color: var(--neon);
  text-shadow: var(--glow);
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- for / not-for lists ---------------------------------------------- */
.for-list, .not-for-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.for-list li, .not-for-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  line-height: 1.6;
}
.for-list li {
  color: var(--ink);
}
.not-for-list li {
  color: var(--muted);
}
.for-list li::before {
  content: "✓";
  color: var(--neon);
  margin-right: 10px;
  font-weight: 700;
}
.not-for-list li::before {
  content: "✗";
  color: var(--magenta);
  margin-right: 10px;
  font-weight: 700;
}

/* ---- footer ------------------------------------------------------------ */
.footer {
  position: relative;
  z-index: 1;
  padding: 60px 0 30px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--bg), #020806);
}
.footer-wordmark {
  font-size: 24px;
  font-weight: 700;
  color: var(--neon);
  text-shadow: var(--glow);
  font-family: "DOS", "JetBrains Mono", monospace;
  margin-bottom: 12px;
}
.footer h6 {
  color: var(--neon);
  font-size: 14px;
  margin-bottom: 12px;
}
.footer a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 0;
  display: block;
  font-size: 14px;
  transition: color var(--transition-fast) ease, text-shadow var(--transition-fast) ease;
}
.footer a:hover {
  color: var(--neon);
  text-shadow: var(--glow);
}

/* ---- section headings with dollar prompt -------------------------------- */
.section-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--neon);
  text-shadow: var(--glow);
  font-size: 1.25rem;
  margin-bottom: 20px;
}
.section-heading::before {
  content: "$";
  color: var(--neon);
  text-shadow: var(--glow);
  font-weight: 700;
}

/* ---- inline code / code blocks ----------------------------------------- */
code, pre {
  background: var(--bg-terminal-dark);
  color: var(--neon);
  padding: 2px 5px;
  font-family: "DOS", "JetBrains Mono", monospace;
  font-size: 0.9em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
pre {
  display: block;
  padding: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}
pre code {
  background: none;
  padding: 0;
  border: none;
  font-size: 14px;
  line-height: 1.8;
}

/* ---- links ------------------------------------------------------------- */
a {
  color: var(--amber);
  text-decoration: none;
  transition: color var(--transition-fast) ease, text-shadow var(--transition-fast) ease;
}
a:hover {
  color: var(--neon);
  text-shadow: var(--glow);
}

/* ---- grid helpers ------------------------------------------------------ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 40px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.grid-outcomes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 20px;
}
.grid-labs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

/* ---- container -------------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}
.container-center {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.container-about {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}

/* ---- navbar / hamburger ------------------------------------------------ */
.navbar-cyber {
  background-color: var(--bg-panel);
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.navbar-brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--neon);
  text-shadow: var(--glow);
  font-family: "DOS", monospace;
  text-decoration: none;
}
.navbar-links {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-panel);
  border: 1px solid var(--neon);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 12px 16px;
  flex-direction: column;
  gap: 12px;
  min-width: 200px;
  box-shadow: 0 0 22px rgba(25,247,194,0.25), 0 8px 40px rgba(0,0,0,0.6);
}
.navbar-links.show {
  display: flex;
}
.navbar-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast) ease, text-shadow var(--transition-fast) ease;
  white-space: nowrap;
}
.navbar-links a:hover {
  color: var(--neon);
  text-shadow: var(--glow);
}
.navbar-cta {
  padding: 10px 24px;
  background-color: var(--neon);
  color: var(--bg);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-fast) ease;
}
.navbar-cta:hover {
  background-color: var(--primary-light);
}
.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--neon);
  text-shadow: var(--glow);
  line-height: 1;
}

.hamburger img {
  width: 24px;
  height: 24px;
  filter: drop-shadow(0 0 4px var(--neon)) drop-shadow(0 0 11px rgba(25,247,194,0.45));
  transition: filter var(--transition-fast) ease;
}
.hamburger:hover img {
  filter: drop-shadow(0 0 8px var(--neon)) drop-shadow(0 0 18px rgba(25,247,194,0.65));
}
.navbar-links.collapsed {
  display: none;
}

/* ---- responsive ------------------------------------------------------- */
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-outcomes, .grid-labs {
    grid-template-columns: 1fr;
  }
  .email-form {
    flex-direction: column;
    align-items: center;
  }
  .email-input {
    min-width: auto;
    width: 100%;
  }
  .container, .container-narrow, .container-center, .container-about {
    padding: 0 20px;
  }
  .section {
    padding: 40px 0;
  }
  h2 {
    margin-bottom: 30px;
  }

  /* hamburger visible on mobile */
  .hamburger {
    display: flex;
  }
  .navbar-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-panel);
    border: 1px solid var(--neon);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    padding: 12px 16px;
    flex-direction: column;
    gap: 12px;
    min-width: 200px;
    box-shadow: 0 0 22px rgba(25,247,194,0.25), 0 8px 40px rgba(0,0,0,0.6);
  }
  .navbar-links.show {
    display: flex;
  }
  .navbar-links a {
    font-size: 1rem;
    padding: 6px 0;
  }
  .navbar-cta {
    width: 100%;
    text-align: center;
  }
  .navbar-cyber {
    padding: 12px 16px;
  }
}

/* ---- scroll-behavior --------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

/* ---- selection --------------------------------------------------------- */
::selection {
  background: var(--neon);
  color: var(--bg);
}

/* ---- reduced motion ----------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  #crt-flicker { animation: none; opacity: .1; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ---- trust strip ------------------------------------------------------- */
.trust-strip {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}
.trust-item {
  font-family: "DOS", monospace;
  font-size: 13px;
  color: var(--muted);
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

/* ---- hero section ------------------------------------------------------ */
#hero {
  padding: 100px 40px 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-bottom: 1px solid var(--line);
}