:root {
  color-scheme: dark;
  --bg: #050816;
  --bg-soft: #0b1020;
  --bg-card: rgba(15, 23, 42, 0.78);
  --bg-card-solid: #0f172a;
  --text: #f8fafc;
  --text-muted: #a7b2c6;
  --border: rgba(255, 255, 255, 0.13);
  --border-strong: rgba(255, 255, 255, 0.24);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.28);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --accent: #38bdf8;
  --accent-2: #a78bfa;
  --dwcc: #38bdf8;
  --imso: #fb923c;
  --sinf: #34d399;
  --af: #f472b6;
  --cajon: #facc15;
  --transition: 180ms ease-out;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #eef4ff;
  --bg-soft: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.84);
  --bg-card-solid: #ffffff;
  --text: #0f172a;
  --text-muted: #536071;
  --border: rgba(15, 23, 42, 0.11);
  --border-strong: rgba(15, 23, 42, 0.20);
  --shadow: 0 24px 70px rgba(51, 65, 85, 0.18);
  --shadow-soft: 0 18px 45px rgba(51, 65, 85, 0.13);
  --accent: #2563eb;
  --accent-2: #7c3aed;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 5%, rgba(56, 189, 248, 0.23), transparent 34rem),
    radial-gradient(circle at 92% 14%, rgba(244, 114, 182, 0.19), transparent 32rem),
    radial-gradient(circle at 50% 100%, rgba(52, 211, 153, 0.15), transparent 38rem),
    var(--bg);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 100%),
    linear-gradient(30deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 100%);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 90%);
}

:root[data-theme="light"] body::before {
  background:
    linear-gradient(120deg, rgba(37, 99, 235, 0.06) 0 1px, transparent 1px 100%),
    linear-gradient(30deg, rgba(124, 58, 237, 0.05) 0 1px, transparent 1px 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: auto -12rem -18rem auto;
  width: 34rem;
  height: 34rem;
  z-index: -1;
  background: radial-gradient(circle, rgba(250, 204, 21, 0.12), transparent 66%);
  pointer-events: none;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1480px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-card-solid) 82%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1.15rem;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(250, 204, 21, 0.18));
  border: 1px solid var(--border-strong);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.brand-mark img {
  width: 2.2rem;
  height: 2.2rem;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.top-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.top-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.65rem 0.82rem;
  border-radius: 999px;
  transition: color var(--transition), background-color var(--transition), transform var(--transition);
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  transform: translateY(-1px);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.43rem 0.65rem;
  background: color-mix(in srgb, var(--bg-card-solid) 92%, transparent);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.theme-toggle-track {
  position: relative;
  display: inline-block;
  width: 2.5rem;
  height: 1.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.theme-toggle-knob {
  position: absolute;
  top: 0.2rem;
  left: 0.22rem;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: #020617;
  transition: transform 220ms ease;
}

:root[data-theme="light"] .theme-toggle-knob {
  transform: translateX(1.08rem);
  background: #ffffff;
}

.theme-toggle-label {
  font-size: 0.82rem;
  white-space: nowrap;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  align-items: stretch;
  min-height: 580px;
  padding: clamp(1.2rem, 3vw, 2.2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--bg-card-solid) 80%, transparent), color-mix(in srgb, var(--bg-card-solid) 48%, transparent)),
    radial-gradient(circle at 14% 18%, rgba(56, 189, 248, 0.20), transparent 34%),
    radial-gradient(circle at 92% 84%, rgba(250, 204, 21, 0.12), transparent 34%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  filter: blur(22px);
  opacity: 0.35;
  pointer-events: none;
}

.hero-glow-one {
  top: -8rem;
  right: 18%;
  background: var(--accent);
}

.hero-glow-two {
  bottom: -10rem;
  left: 12%;
  background: var(--af);
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2rem);
}

.eyebrow,
.section-kicker,
.module-code {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3.1rem, 8vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
}

.hero-lead {
  max-width: 720px;
  margin: 1.45rem 0 0;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 28px rgba(0, 0, 0, 0.22);
}

.btn-primary {
  border-color: transparent;
  color: #06111f;
  background: linear-gradient(135deg, #67e8f9, #38bdf8, #a78bfa);
}

.btn-secondary {
  background: color-mix(in srgb, var(--accent) 13%, var(--bg-card-solid));
}

.btn-ghost {
  background: transparent;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 2.1rem 0 0;
}

.hero-meta div {
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg-card-solid) 58%, transparent);
}

.hero-meta dt {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-meta dd {
  margin: 0.35rem 0 0;
  font-weight: 800;
}

.hero-panel {
  align-self: center;
  min-height: 410px;
  border-radius: 28px;
  border: 1px solid var(--border-strong);
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.86), rgba(2, 6, 23, 0.92)),
    radial-gradient(circle at 80% 10%, rgba(56, 189, 248, 0.28), transparent 40%);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.48);
  overflow: hidden;
}

:root[data-theme="light"] .hero-panel {
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.96)),
    radial-gradient(circle at 80% 10%, rgba(56, 189, 248, 0.24), transparent 40%);
  color: #f8fafc;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(2, 6, 23, 0.48);
}

.dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
}

.dot-red { background: #fb7185; }
.dot-yellow { background: #facc15; }
.dot-green { background: #34d399; }

.panel-title {
  margin-left: 0.35rem;
  color: #cbd5e1;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.78rem;
}

.code-dashboard {
  position: relative;
  z-index: 2;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: clamp(0.82rem, 1.4vw, 0.98rem);
  line-height: 1.9;
}

.code-dashboard p {
  margin: 0.4rem 0;
  color: #dbeafe;
}

.token-keyword { color: #c084fc; }
.token-string { color: #facc15; }
.token-function { color: #67e8f9; }
.prompt { color: #34d399; font-weight: 800; }
.cursor {
  display: inline-block;
  width: 0.62rem;
  height: 1.1em;
  margin-left: 0.15rem;
  vertical-align: -0.18em;
  background: #67e8f9;
  animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-owl {
  position: absolute;
  right: -2.4rem;
  bottom: -1.8rem;
  width: min(17rem, 48%);
  opacity: 0.82;
  filter: drop-shadow(0 24px 36px rgba(0, 0, 0, 0.45));
}

.section {
  margin-top: 2rem;
}

.section-heading {
  max-width: 780px;
  margin: 0 0 1.2rem;
}

.section-heading h2,
.extras-content h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.section-heading p,
.extras-content p {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.6;
}

.compact-heading {
  max-width: none;
}

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

.module-card {
  --module-accent: var(--accent);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--module-accent) 16%, transparent), transparent 42%),
    var(--bg-card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.module-card::before {
  content: "";
  position: absolute;
  inset: -35% -35% auto auto;
  width: 14rem;
  height: 14rem;
  border-radius: 50%;
  background: var(--module-accent);
  opacity: 0.16;
  filter: blur(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.module-card:hover,
.module-card:focus-within {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--module-accent) 55%, var(--border));
  box-shadow: 0 28px 70px color-mix(in srgb, var(--module-accent) 23%, rgba(0, 0, 0, 0.38));
}

.module-card:hover::before,
.module-card:focus-within::before {
  opacity: 0.25;
  transform: scale(1.06);
}

.module-card-dwcc { --module-accent: var(--dwcc); }
.module-card-imso { --module-accent: var(--imso); }
.module-card-sinf { --module-accent: var(--sinf); }
.module-card-af { --module-accent: var(--af); }

.module-card-top,
.module-badges,
.module-card-actions {
  display: flex;
  gap: 0.55rem;
}

.module-card-top {
  position: relative;
  z-index: 1;
  align-items: flex-start;
  justify-content: space-between;
}

.module-icon {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 1.25rem;
  color: #06111f;
  font-size: 1.45rem;
  background: radial-gradient(circle at 30% 0, #ffffff, var(--module-accent));
  box-shadow: 0 18px 30px color-mix(in srgb, var(--module-accent) 30%, rgba(0, 0, 0, 0.2));
}

.module-badges {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.65rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: color-mix(in srgb, var(--bg-card-solid) 74%, transparent);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.badge-ready {
  color: #062b1d;
  background: #86efac;
  border-color: transparent;
}

.badge-progress {
  color: #3a2502;
  background: #fde68a;
  border-color: transparent;
}

.module-card-body {
  position: relative;
  z-index: 1;
  padding: 1.4rem 0 1rem;
}

.module-card-body h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.module-card-body p:not(.module-code) {
  margin: 1rem 0 0;
  color: var(--text-muted);
  line-height: 1.55;
  font-size: 0.96rem;
}

.module-card-body code {
  border-radius: 0.35rem;
  padding: 0.08rem 0.28rem;
  color: var(--text);
  background: color-mix(in srgb, var(--module-accent) 15%, transparent);
}

.module-card-actions {
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  margin-top: auto;
}

.module-card-actions .btn {
  flex: 1 1 auto;
  min-height: 2.35rem;
  padding: 0.58rem 0.72rem;
  font-size: 0.82rem;
}

.btn-card-main {
  flex-basis: 100% !important;
  color: #06111f;
  border-color: transparent;
  background: linear-gradient(135deg, #ffffff, var(--module-accent));
}

.btn-card-soft {
  background: color-mix(in srgb, var(--module-accent) 12%, var(--bg-card-solid));
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.step-card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.7rem;
  height: 2.7rem;
  margin-bottom: 1rem;
  border-radius: 1rem;
  color: #06111f;
  background: linear-gradient(135deg, #67e8f9, #facc15);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-weight: 900;
}

.step-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.step-card p {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
  line-height: 1.55;
}

.extras-section {
  margin-top: 2rem;
}

.extras-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--cajon) 42%, var(--border));
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--cajon) 17%, var(--bg-card)), var(--bg-card)),
    radial-gradient(circle at 92% 10%, rgba(250, 204, 21, 0.18), transparent 32%);
  box-shadow: var(--shadow-soft);
}

.extras-visual {
  display: grid;
  place-items: center;
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 2rem;
  background: color-mix(in srgb, var(--cajon) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--cajon) 45%, var(--border));
}

.extras-visual img {
  width: 4.2rem;
  height: 4.2rem;
  object-fit: contain;
}

.extras-content .section-kicker {
  color: var(--cajon);
}

.extras-content p {
  margin: 0.75rem 0 0;
  max-width: 760px;
}

.extras-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: var(--bg-card);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1160px) {
  .site-header {
    grid-template-columns: 1fr auto;
    border-radius: var(--radius-md);
  }

  .top-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    order: 3;
  }

  .hero,
  .modules-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-content,
  .hero-panel {
    grid-column: 1 / -1;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 1rem, 1480px);
    padding-top: 0.5rem;
  }

  .site-header {
    position: static;
    grid-template-columns: 1fr;
    border-radius: 24px;
  }

  .theme-toggle {
    width: fit-content;
  }

  .top-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .top-nav a {
    text-align: center;
    background: color-mix(in srgb, var(--bg-card-solid) 62%, transparent);
  }

  .hero,
  .modules-grid,
  .steps-grid,
  .extras-card,
  .hero-meta {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(3.3rem, 18vw, 5rem);
  }

  .hero-panel {
    min-height: 360px;
  }

  .hero-owl {
    width: 12rem;
  }

  .extras-actions {
    justify-content: flex-start;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}