/* =============================================
   Andrea Folcker — Personal Brand Landing Page
   Editorial dark theme, premium executive feel
   ============================================= */

/* --- Variables --- */
:root {
  --bg: #0c0c0e;
  --bg-card: #131318;
  --bg-card-hover: #18181f;
  --border: #232330;
  --text-primary: #f0ece4;
  --text-secondary: #8a8698;
  --text-muted: #4e4b5c;
  --accent: #c9a84c;
  --accent-dim: rgba(201, 168, 76, 0.12);
  --accent-hover: #e0bf6a;
  --white: #ffffff;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Georgia', 'Times New Roman', serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: 'Georgia', serif;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

p, li, label, input, textarea, button {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--accent-hover); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* --- Container --- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(12, 12, 14, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s;
}

.nav.scrolled { padding: 12px 0; }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-name {
  font-family: 'Georgia', serif;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-family: -apple-system, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
  font-size: 0.8rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent) !important;
  border: 1px solid var(--accent);
  padding: 7px 18px;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s !important;
}
.nav-cta:hover {
  background: var(--accent) !important;
  color: var(--bg) !important;
}

.nav-links a.active {
  color: var(--accent);
  font-weight: 500;
}

/* --- Mobile Nav --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-secondary);
  margin: 5px 0;
  transition: all 0.2s;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  position: relative;
}

.hero-inner {
  max-width: 760px;
}

.hero-eyebrow {
  font-family: -apple-system, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 36px;
  line-height: 1.05;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 52px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-family: -apple-system, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 40px;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-block;
  background: none;
  color: var(--text-secondary);
  font-family: -apple-system, sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 16px 8px;
  border: none;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
  text-decoration: none;
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--text-secondary); }

/* --- Section base --- */
.section {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: -apple-system, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 16px;
}

.section-sub {
  font-family: -apple-system, sans-serif;
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 64px;
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.about-image-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.about-image-placeholder span {
  font-family: -apple-system, sans-serif;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.about-content .section-sub {
  margin-bottom: 40px;
}

.about-bio {
  font-family: -apple-system, sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 40px;
}

.about-bio strong {
  color: var(--text-primary);
  font-weight: 500;
}

.about-roles {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.about-roles li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-family: -apple-system, sans-serif;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.role-mark {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 8px;
}

.role-org {
  font-weight: 600;
  color: var(--text-primary);
}

.languages {
  display: flex;
  gap: 20px;
}

.lang {
  font-family: -apple-system, sans-serif;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 2px;
}

/* --- Problem --- */
.problem-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.problem-quote {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.3;
  position: relative;
  padding-left: 32px;
}

.problem-quote::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
}

.problem-text {
  font-family: -apple-system, sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

.problem-text p + p { margin-top: 20px; }

/* --- Offerings --- */
.offerings-lead {
  max-width: 600px;
  margin-bottom: 80px;
}

.offering-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.offering-card {
  background: var(--bg-card);
  padding: 40px 36px;
  position: relative;
  transition: background 0.25s;
}

.offering-card:hover { background: var(--bg-card-hover); }

.offering-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.offering-card:hover::before { transform: scaleX(1); }

.offering-num {
  font-family: -apple-system, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.offering-title {
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
  font-family: 'Georgia', serif;
}

.offering-tag {
  font-family: -apple-system, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.offering-desc {
  font-family: -apple-system, sans-serif;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.offering-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.offering-details li {
  font-family: -apple-system, sans-serif;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.offering-details li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* --- Methodology --- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.method-card {
  background: var(--bg-card);
  padding: 36px 28px;
  transition: background 0.25s;
}

.method-card:hover { background: var(--bg-card-hover); }

.method-num {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.method-title {
  font-size: 1rem;
  font-family: 'Georgia', serif;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 10px;
  line-height: 1.3;
}

/* --- Content Preview --- */
.content-lead {
  max-width: 600px;
  margin-bottom: 72px;
}

.content-posts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 48px;
}

.content-card {
  background: var(--bg-card);
  padding: 36px 32px;
  transition: background 0.25s;
  position: relative;
}

.content-card:hover { background: var(--bg-card-hover); }

.content-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.content-card:hover::after { transform: scaleX(1); }

.content-card-label {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.content-card-title {
  font-size: 1.1rem;
  font-family: 'Georgia', serif;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.3;
}

.content-card-excerpt {
  font-family: -apple-system, sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.content-card-tag {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(201, 168, 76, 0.25);
  padding: 4px 10px;
  border-radius: 2px;
  display: inline-block;
}

.content-cta {
  display: flex;
  justify-content: flex-start;
}

.content-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: -apple-system, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 14px 32px;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.content-link-btn svg {
  flex-shrink: 0;
  transition: transform 0.2s;
}

.content-link-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.content-link-btn:hover svg {
  transform: translate(2px, -2px);
}

/* --- Social Proof --- */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 60px;
}

.proof-item {
  background: var(--bg-card);
  padding: 40px 36px;
}

.proof-stat {
  font-size: 3.2rem;
  font-family: 'Georgia', serif;
  color: var(--white);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 8px;
}

.proof-label {
  font-family: -apple-system, sans-serif;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.proof-careers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  max-width: 700px;
}

.proof-company {
  background: var(--bg-card);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.company-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.company-name {
  font-family: -apple-system, sans-serif;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.company-period {
  font-family: -apple-system, sans-serif;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* --- Contact --- */
.contact {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.contact-inner {
  padding: 100px 0;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.contact-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 16px;
  font-family: 'Georgia', serif;
}

.contact-sub {
  font-family: -apple-system, sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  line-height: 1.75;
}

.contact-email {
  font-family: 'Georgia', serif;
  font-size: 1.3rem;
  color: var(--accent);
  display: inline-block;
  border-bottom: 1px solid rgba(201, 168, 76, 0.3);
  padding-bottom: 4px;
  transition: border-color 0.2s;
}
.contact-email:hover { border-color: var(--accent); }

.contact-links {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  gap: 24px;
}

.contact-links a {
  font-family: -apple-system, sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.contact-links a:hover { color: var(--text-secondary); }

/* --- Diagnostic Form --- */
.diag-hero {
  padding-top: 160px;
  padding-bottom: 100px;
}

.diag-form {
  max-width: 560px;
  margin: 0 auto;
  padding-top: 24px;
}

.diag-field {
  display: block;
  margin-bottom: 28px;
}

.diag-field label {
  display: block;
  font-family: -apple-system, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.diag-field input,
.diag-field textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  padding: 14px 16px;
  border-radius: 2px;
  transition: border-color 0.2s;
}

.diag-field input:focus,
.diag-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.diag-field textarea {
  resize: vertical;
  min-height: 140px;
}

.diag-submit {
  margin-top: 12px;
}

.form-error {
  border: 1px solid rgba(201, 168, 76, 0.4);
  background: var(--accent-dim);
  padding: 16px 20px;
  margin: 0 auto 32px;
  max-width: 560px;
  border-radius: 2px;
}

.form-error-title {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: -apple-system, sans-serif;
}

.form-error ul {
  list-style: none;
  font-family: -apple-system, sans-serif;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.form-error li + li {
  margin-top: 6px;
}

.diag-success {
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 16px 20px;
  margin: 0 auto 32px;
  max-width: 560px;
  border-radius: 2px;
  color: var(--text-secondary);
  font-family: -apple-system, sans-serif;
  font-size: 0.95rem;
}

.contact-prefer {
  font-family: -apple-system, sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* --- Footer --- */
.footer {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-family: -apple-system, sans-serif;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-link { color: var(--text-muted); text-decoration: underline; text-underline-offset: 3px; margin-left: 14px; }
.footer-link:hover { color: var(--text-primary); }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.7s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }
.animate-in:nth-child(6) { animation-delay: 0.6s; }

/* --- FAQ --- */
.faq-list {
  max-width: 760px;
  margin: 32px auto 0;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  font-family: var(--font-serif, 'Lora', Georgia, serif);
  font-size: 1.18rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-family: -apple-system, sans-serif;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  transition: transform 0.25s ease;
}
.faq-item[open] .faq-question::after { content: '−'; }
.faq-answer {
  padding: 0 4px 24px;
  font-family: -apple-system, sans-serif;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.faq-answer a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* --- Responsive --- */
@media (max-width: 960px) {
  .offering-cards { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-placeholder { display: none; }
  .problem-inner { grid-template-columns: 1fr; gap: 48px; }
  .content-posts { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero { padding: 120px 0 80px; }
  .hero-headline { font-size: 2.4rem; }
  .section { padding: 80px 0; }
  .method-grid { grid-template-columns: 1fr; }
  .gap-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 12px; }
  .content-link-btn { width: 100%; justify-content: center; }
  .diag-form { padding: 0 8px; }
}

/* --- Sticky nav opened --- */
.nav-mobile-open .nav-links {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  gap: 20px;
  z-index: 99;
}

/* --- Execution Gap framework page --- */
.gap-hero {
  padding-top: 160px;
  padding-bottom: 60px;
}

.gap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.gap-card {
  background: var(--bg-card);
  padding: 36px 28px;
  position: relative;
  transition: background 0.25s;
  border-top: 2px solid var(--accent);
}

.gap-card:hover { background: var(--bg-card-hover); }

.gap-card-bridge {
  background: var(--bg-card-hover);
}

.gap-card-num {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.gap-card-title {
  font-size: 1.1rem;
  font-family: 'Georgia', serif;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 14px;
  line-height: 1.3;
}

.gap-card p {
  font-family: -apple-system, sans-serif;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.post-ref {
  font-family: -apple-system, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  border: 1px solid var(--text-muted);
  border-radius: 999px;
  padding: 2px 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* --- AI-Augmented Strategy framework page --- */
.ai-hero {
  padding-top: 160px;
  padding-bottom: 60px;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.ai-card {
  background: var(--bg-card);
  padding: 36px 28px;
  position: relative;
  transition: background 0.25s;
  border-top: 2px solid var(--accent);
}

.ai-card:hover { background: var(--bg-card-hover); }

.ai-card-bridge {
  background: var(--bg-card-hover);
}

.ai-card-num {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.ai-card-title {
  font-size: 1.1rem;
  font-family: 'Georgia', serif;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 14px;
  line-height: 1.3;
}

.ai-card p {
  font-family: -apple-system, sans-serif;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* --- Advisory page --- */
.advisory-hero {
  padding-top: 160px;
  padding-bottom: 60px;
}

.tier-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.tier-card {
  background: var(--bg-card);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  transition: background 0.25s;
  position: relative;
}

.tier-card:hover { background: var(--bg-card-hover); }

.tier-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.tier-card:hover::before { transform: scaleX(1); }

.tier-num {
  font-family: -apple-system, sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.tier-name {
  font-size: 1.35rem;
  font-family: 'Georgia', serif;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
}

.tier-tag {
  font-family: -apple-system, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.tier-desc {
  font-family: -apple-system, sans-serif;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.tier-list-heading {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  margin-top: 20px;
}

.tier-includes ul,
.tier-excludes ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}

.tier-includes li {
  font-family: -apple-system, sans-serif;
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.tier-includes li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.tier-excludes li {
  font-family: -apple-system, sans-serif;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}

.tier-excludes li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.tier-cta {
  margin-top: auto;
  padding-top: 32px;
  font-size: 0.78rem;
  padding: 13px 24px;
  align-self: flex-start;
}

.tier-spacer { flex: 1; }

/* --- Advisory crosslinks --- */
.crosslinks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  max-width: 800px;
}

.crosslink-item {
  background: var(--bg-card);
  padding: 36px 40px;
  transition: background 0.25s;
}

.crosslink-item:hover { background: var(--bg-card-hover); }

.crosslink-label {
  font-family: -apple-system, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.crosslink-title {
  font-family: 'Georgia', serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 10px;
}

.crosslink-desc {
  font-family: -apple-system, sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.crosslink-link {
  font-family: -apple-system, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

@media (max-width: 960px) {
  .tier-cards { grid-template-columns: 1fr; }
  .crosslinks-grid { grid-template-columns: 1fr; max-width: 100%; }
}

/* --- Research Notes page --- */
.research-hero {
  padding-top: 160px;
  padding-bottom: 60px;
}

.research-article {
  max-width: 720px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  padding: 48px 56px;
  border-radius: 4px;
}

.research-article p {
  font-family: -apple-system, sans-serif;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 20px;
}

.research-article-subhead {
  font-family: 'Georgia', serif;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--white);
  margin-top: 40px;
  margin-bottom: 18px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.research-pullquote {
  font-family: 'Georgia', serif;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--accent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  margin: 40px 0 0;
  line-height: 1.5;
}

@media (max-width: 720px) {
  .research-article { padding: 32px 24px; }
  .research-article-subhead { font-size: 1.2rem; }
}