@import url('/css/theme.css');

.ai-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.ai-nav-inner {
  width: 100%;
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ai-nav-mark {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}

.ai-nav-mark span {
  font-weight: 500;
  font-style: italic;
  color: var(--ink-muted);
}

.ai-nav-back {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.15s ease;
}

.ai-nav-back:hover { color: var(--accent); }

.ai-nav-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-muted);
}

.ai-main {
  flex: 1;
  width: 100%;
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.ai-main--narrow { max-width: var(--max); }

.ai-hero {
  margin-bottom: 3.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.ai-hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin: 0 0 1rem;
}

.ai-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  max-width: 14ch;
}

.ai-hero-lede {
  font-size: 1.0625rem;
  color: var(--ink-soft);
  max-width: 38ch;
  margin: 0;
  line-height: 1.65;
}

.ai-projects {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ai-project { border-top: 1px solid var(--line); }
.ai-project:last-child { border-bottom: 1px solid var(--line); }

.ai-project-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem 1.5rem;
  align-items: start;
  padding: 1.75rem 0;
  text-decoration: none;
  transition: background 0.2s ease;
}

@media (min-width: 640px) {
  .ai-project-link {
    grid-template-columns: 3rem 1fr auto;
    padding: 2rem 0.5rem;
  }
  .ai-project-link:hover {
    background: rgba(250, 248, 244, 0.7);
    margin: 0 -0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
}

html.dark-theme .ai-project-link:hover {
  background: rgba(34, 31, 26, 0.7);
}

.ai-project-num {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  font-style: italic;
  color: var(--ink-muted);
  padding-top: 0.15rem;
}

.ai-project-body h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.ai-project-meta {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.ai-project-desc {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin: 0;
  max-width: 42ch;
  line-height: 1.55;
}

.ai-project-arrow {
  align-self: center;
  font-size: 1.25rem;
  color: var(--line);
  transition: color 0.15s ease, transform 0.15s ease;
}

.ai-project-link:hover .ai-project-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

.ai-bottom-cta {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.ai-bottom-cta-link {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.ai-bottom-cta-link:hover {
  color: var(--ink);
  border-color: var(--ink-muted);
  background: var(--paper);
}

.ai-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 2.5rem 1.75rem;
}

@media (min-width: 640px) {
  .ai-panel { padding: 3rem 2.5rem; }
}

.ai-panel-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.ai-panel-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.15;
}

.ai-panel-text {
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.65;
  max-width: 40ch;
}

.ai-panel-text--wide { max-width: 48ch; }

.ai-panel-cta {
  margin: 1.75rem 0 0;
}

.ai-panel-cta-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

.ai-panel-cta-link:hover { color: var(--accent-hover); }

.ai-panel--form .ai-panel-text {
  margin-bottom: 2rem;
}

.ai-form {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.ai-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  border: none;
}

.ai-form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
}

.ai-form-optional {
  font-weight: 500;
  color: var(--ink-muted);
}

.ai-form-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.7rem 0.85rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ai-form-input::placeholder { color: var(--ink-muted); }

.ai-form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.ai-form-textarea {
  resize: vertical;
  min-height: 5.5rem;
}

.ai-form-checks {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ai-form-check {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  cursor: pointer;
}

.ai-form-check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.ai-form-btn {
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--surface);
  background: var(--accent);
  border: none;
  padding: 0.75rem 1.35rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.ai-form-btn:hover { background: var(--accent-hover); }

.ai-form-note {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin: -0.35rem 0 0;
  line-height: 1.5;
}

.ai-form-honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.ai-form-thanks {
  padding: 1.25rem 1rem;
  background: var(--accent-soft);
  border: 1px solid var(--line);
}

.ai-form-thanks-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.ai-form-thanks-text {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}

@media (max-width: 767px) {
  .ai-nav-inner {
    padding: 0 1rem;
    gap: 0.5rem;
    min-height: var(--nav-h);
  }

  .ai-nav-mark {
    font-size: 1rem;
    line-height: 1.25;
  }

  .ai-nav-back {
    font-size: 0.8125rem;
    flex-shrink: 0;
  }

  .ai-nav-label {
    font-size: 0.75rem;
    text-align: right;
    margin-left: auto;
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .ai-main {
    padding: 2rem 1rem 3rem;
  }

  .ai-hero {
    margin-bottom: 2.5rem;
    padding-bottom: 1.75rem;
  }

  .ai-hero-title {
    max-width: none;
    font-size: clamp(1.85rem, 8vw, 2.5rem);
  }

  .ai-hero-lede {
    max-width: none;
    font-size: 1rem;
  }

  .ai-project-link {
    grid-template-columns: 1.75rem 1fr auto;
    gap: 0.65rem 0.85rem;
    padding: 1.25rem 0;
  }

  .ai-project-body h2 {
    font-size: 1.2rem;
  }

  .ai-project-desc {
    max-width: none;
    font-size: 0.875rem;
  }

  .ai-panel {
    padding: 1.5rem 1.15rem;
  }

  .ai-panel-text {
    max-width: none;
  }

  .ai-footer {
    padding: 1.25rem 1rem calc(1.25rem + env(safe-area-inset-bottom, 0));
  }

  .ai-footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .ai-footer-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .ai-nav-inner {
    flex-wrap: wrap;
    row-gap: 0.35rem;
  }

  .ai-nav-label {
    max-width: 100%;
    text-align: left;
    margin-left: 0;
    order: 3;
    flex-basis: 100%;
  }
}