/*
 * AI Attack site styles.
 * Values come from the AI Attack brand style guide: near-black base, dark violet
 * surfaces, off-white text, violet for emphasis only. No gradients or glow.
 * Loaded after Bootstrap, which supplies the reset and grid.
 */

/* Fonts: self-hosted, latin subset */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/inter-latin-wght-normal.260c81a4759b.woff2") format("woff2");
}

@font-face {
  font-family: "Anton";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/anton-latin-400-normal.912c3c9f2621.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-latin-600-normal.075ec35bc15b.woff2") format("woff2");
}

/* Brand tokens */

:root,
[data-bs-theme="dark"] {
  --aa-base: #0c0a14;
  --aa-surface: #1a1626;
  --aa-text: #f5f4fa;
  --aa-text-muted: rgba(245, 244, 250, 0.85);
  --aa-violet: #8b5cf6;
  --aa-violet-light: #a78bfa;
  --aa-border: rgba(139, 92, 246, 0.32);
  --aa-radius: 16px;
  --aa-radius-sm: 12px;

  --aa-font-display: "Anton", "Impact", "Arial Narrow Bold", sans-serif;
  --aa-font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --aa-font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --bs-body-bg: var(--aa-base);
  --bs-body-color: var(--aa-text);
  --bs-body-font-family: var(--aa-font-body);
  --bs-body-font-size: 1.0625rem;
  --bs-body-font-weight: 500;
  --bs-body-line-height: 1.6;
  --bs-link-color: var(--aa-violet-light);
  --bs-link-color-rgb: 167, 139, 250;
  --bs-link-hover-color: var(--aa-violet-light);
  --bs-link-hover-color-rgb: 167, 139, 250;
}

/* Base */

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--aa-violet-light);
  outline-offset: 2px;
}

.accent {
  color: var(--aa-violet);
}

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--aa-radius-sm);
  background: var(--aa-violet);
  color: var(--aa-base);
  font-weight: 700;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

/* Technical labels */

.mono-label,
.mono-pill {
  font-family: var(--aa-font-mono);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mono-label {
  color: var(--aa-violet-light);
}

.mono-pill {
  display: inline-block;
  margin: 0 0 1.25rem;
  padding: 0.375rem 0.75rem;
  border-radius: 10px;
  background: var(--aa-violet);
  color: var(--aa-base);
}

/* Header */

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0;
  color: var(--aa-text);
  font-family: var(--aa-font-display);
  font-size: 1.625rem;
  line-height: 1;
  white-space: nowrap;
}

.wordmark:hover {
  color: var(--aa-text);
  text-decoration: none;
}

.wordmark-prompt {
  color: var(--aa-violet);
  font-family: var(--aa-font-mono);
  font-size: 0.8em;
  font-weight: 600;
}

.wordmark-small {
  font-size: 1.25rem;
}

.site-nav-links {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.5rem;
  color: var(--aa-text-muted);
  font-size: 0.9375rem;
  font-weight: 600;
}

.site-nav-links a:hover {
  color: var(--aa-text);
  text-decoration: none;
}

.site-nav-links a[aria-current="page"] {
  color: var(--aa-text);
  box-shadow: inset 0 -2px 0 var(--aa-violet);
}

/* Primary button */

.btn-attack {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  width: 100%;
  min-height: 3.5rem;
  padding: 0.875rem 1.75rem;
  border: 2px solid var(--aa-violet);
  border-radius: var(--aa-radius-sm);
  background: var(--aa-violet);
  color: var(--aa-base);
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.2;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-attack:hover {
  border-color: var(--aa-violet-light);
  background: var(--aa-violet-light);
  color: var(--aa-base);
  text-decoration: none;
}

.btn-attack-arrow {
  flex: none;
  transition: transform 0.15s ease;
}

.btn-attack:hover .btn-attack-arrow {
  transform: translateX(3px);
}

/* Hero */

.hero {
  padding: 2rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  gap: 3rem;
}

.hero-title {
  margin: 0 0 1.25rem;
  font-family: var(--aa-font-display);
  font-size: clamp(2.5rem, 11vw, 4.75rem);
  font-weight: 400;
  line-height: 1.04;
  text-wrap: balance;
}

.hero-lead {
  max-width: 34rem;
  margin: 0 0 2rem;
  color: var(--aa-text-muted);
  font-size: 1.125rem;
  text-wrap: pretty;
}

.kit-manifest {
  display: none;
}

/* Sections */

.section {
  padding: 3.5rem 0;
}

.section-surface {
  background: var(--aa-surface);
}

.section-title {
  max-width: 22ch;
  margin: 0 0 2rem;
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* Starter Kit cards */

.kit-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 1.5rem;
  border: 1px solid var(--aa-border);
  border-radius: var(--aa-radius);
  background: var(--aa-surface);
}

.kit-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.kit-card-icon {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--aa-radius-sm);
  background: var(--aa-base);
  color: var(--aa-violet);
}

.kit-card-title {
  margin: 0 0 0.75rem;
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.kit-card-lead {
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.kit-card-body {
  margin: 0;
  color: var(--aa-text-muted);
}

/* Outcome steps */

.steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 0 1.75rem 2rem;
  border-left: 2px solid var(--aa-border);
}

.step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.step::before {
  content: "";
  position: absolute;
  top: 0.125rem;
  left: -0.5rem;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--aa-violet);
}

.step .mono-label {
  line-height: 1.2;
}

.step-text {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}

/* Final call to action */

.final-cta-panel {
  padding: 2.5rem 1.5rem;
  border: 1px solid var(--aa-border);
  border-radius: 20px;
  background: var(--aa-surface);
  text-align: center;
}

.final-cta-title {
  margin: 0 0 0.75rem;
  font-family: var(--aa-font-display);
  font-size: clamp(2rem, 8vw, 3.25rem);
  font-weight: 400;
  line-height: 1.08;
  text-wrap: balance;
}

.final-cta-lead {
  margin: 0 0 1.75rem;
  color: var(--aa-text-muted);
  font-size: 1.125rem;
}

/* Footer */

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(245, 244, 250, 0.1);
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.site-footer-note {
  margin: 0;
  color: var(--aa-text-muted);
  font-size: 0.875rem;
}

/* Tablet and up */

@media (min-width: 576px) {
  .btn-attack {
    width: auto;
    min-width: 16rem;
  }
}

@media (min-width: 768px) {
  .hero {
    padding: 3.5rem 0 5rem;
  }

  .section {
    padding: 5rem 0;
  }

  .section-title {
    margin-bottom: 2.5rem;
  }

  .kit-card {
    padding: 2rem;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .step {
    padding: 1.5rem 1.5rem 0 0;
    border-top: 2px solid var(--aa-border);
    border-left: 0;
  }

  .step:last-child {
    border-top-color: var(--aa-border);
  }

  .step::before {
    top: -0.5rem;
    left: 0;
  }

  .final-cta-panel {
    padding: 4rem 2rem;
  }
}

/* Desktop */

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
    gap: 4rem;
  }

  .hero-title {
    font-size: clamp(3.75rem, 5.6vw, 5rem);
  }

  .kit-manifest {
    display: block;
    border: 1px solid var(--aa-border);
    border-radius: var(--aa-radius);
    background: var(--aa-surface);
    font-family: var(--aa-font-mono);
    font-weight: 600;
  }

  .kit-manifest-bar,
  .kit-manifest-foot {
    margin: 0;
    padding: 0.875rem 1.25rem;
    color: var(--aa-text-muted);
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
  }

  .kit-manifest-bar {
    border-bottom: 1px solid var(--aa-border);
  }

  .kit-manifest-foot {
    border-top: 1px solid var(--aa-border);
    text-transform: uppercase;
  }

  .kit-manifest-list {
    margin: 0;
    padding: 0.75rem 1.25rem;
    list-style: none;
  }

  .kit-manifest-list li {
    display: flex;
    gap: 1rem;
    padding: 0.75rem 0;
    font-size: 1rem;
  }

  .kit-manifest-num {
    color: var(--aa-violet);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-attack,
  .btn-attack-arrow {
    transition: none;
  }

  .btn-attack:hover .btn-attack-arrow {
    transform: none;
  }
}