/* === RESET & TOKENS === */
:root {
  --parchment: #F6F1E6;
  --parchment-deep: #EDE7D6;
  --navy: #0B1F3A;
  --navy-light: #1A3557;
  --bronze: #A8843C;
  --bronze-light: #C9A84E;
  --muted: #8A8070;
  --ink: #1C1C1E;
  --surface: #FDFCF8;
  --border: rgba(11, 31, 58, 0.12);

  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Instrument Sans', system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--parchment);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
em {
  font-style: italic;
  font-family: var(--font-serif);
}

/* === NAV === */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 241, 230, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 2rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.nav-tag {
  font-size: 0.78rem;
  font-family: var(--font-sans);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
}

/* === HERO === */
.hero {
  padding: var(--space-xl) 2rem var(--space-lg);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -120px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(168, 132, 60, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--navy-light);
  max-width: 480px;
  line-height: 1.7;
  font-weight: 400;
}

/* Hero right — orb composition */
.hero-orb-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 400px;
  margin: 0 auto;
}

.orb {
  position: absolute;
  border-radius: 50%;
}

.orb-1 {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  background: linear-gradient(145deg, rgba(11,31,58,0.06) 0%, rgba(168,132,60,0.08) 100%);
  border: 1px solid var(--border);
}

.orb-2 {
  width: 55%;
  height: 55%;
  top: 22%;
  left: 22%;
  background: var(--parchment-deep);
  border: 1px solid var(--border);
}

.orb-3 {
  width: 30%;
  height: 30%;
  top: 35%;
  left: 35%;
  background: var(--bronze);
  opacity: 0.15;
}

.hero-quote-card {
  position: absolute;
  bottom: -16px;
  left: -20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  width: 260px;
  box-shadow: 0 8px 32px rgba(11, 31, 58, 0.08);
}

.quote-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.quote-line {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-bronze { background: var(--bronze); }
.dot-navy { background: var(--navy); }
.dot-muted { background: var(--muted); }

.line-text {
  font-size: 0.8rem;
  font-family: var(--font-sans);
  color: var(--ink);
}

.line-dim { color: var(--muted); }

/* === CAPABILITIES === */
.capabilities {
  padding: var(--space-xl) 2rem;
  background: var(--navy);
  color: var(--parchment);
}

.cap-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze-light);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.cap-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--parchment);
  margin-bottom: 1.25rem;
}

.cap-heading em {
  color: var(--bronze-light);
}

.cap-desc {
  color: rgba(246, 241, 230, 0.65);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 380px;
}

.cap-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(246, 241, 230, 0.1);
}

.cap-item:last-child {
  border-bottom: none;
}

.cap-num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--bronze);
  padding-top: 0.15rem;
}

.cap-item strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--parchment);
  margin-bottom: 0.3rem;
}

.cap-item p {
  font-size: 0.875rem;
  color: rgba(246, 241, 230, 0.6);
  line-height: 1.6;
}

/* === METHODOLOGY === */
.methodology {
  padding: var(--space-xl) 2rem;
  background: var(--parchment);
}

.meth-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.meth-header {
  margin-bottom: var(--space-lg);
}

.meth-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-top: 0.5rem;
}

.meth-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.meth-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  margin: 0 2rem;
  min-height: 200px;
}

.meth-step {
  padding: 0.5rem 0;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--parchment-deep);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.meth-step h3 {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.meth-step p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* === AUTHORITY === */
.authority {
  padding: var(--space-xl) 2rem;
  background: var(--parchment-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.auth-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.auth-quote-block {
  max-width: 680px;
  margin: 0 auto var(--space-lg);
  text-align: center;
}

.auth-quote-block blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--navy);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 1rem;
}

.auth-quote-block cite {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: normal;
  font-family: var(--font-sans);
}

.auth-markers {
  display: flex;
  justify-content: center;
  gap: 5rem;
  flex-wrap: wrap;
}

.marker {
  text-align: center;
}

.marker-stat {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--bronze);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.marker-label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

/* === CLOSING === */
.closing {
  padding: var(--space-xl) 2rem;
  background: var(--parchment);
}

.closing-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.closing-deco {
  margin-bottom: 2rem;
}

.deco-glyph {
  font-size: 2.5rem;
  color: var(--bronze);
  opacity: 0.4;
}

.closing-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 1.5rem;
}

.closing-body {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.closing-tagline {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--bronze);
}

/* === FOOTER === */
.site-footer {
  padding: var(--space-md) 2rem;
  border-top: 1px solid var(--border);
  background: var(--parchment);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-wordmark {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--navy);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-tag {
  font-size: 0.75rem;
  color: var(--bronze);
  letter-spacing: 0.06em;
}

/* === STEP LABELS === */
.step-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bronze);
  color: var(--parchment);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  flex-shrink: 0;
  font-weight: 400;
}

/* Field rows */
.brief-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.brief-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.brief-field label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.brief-select {
  background: var(--parchment);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--navy);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A8070' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.brief-select:focus {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px rgba(168, 132, 60, 0.12);
}

/* CTA row */
.brief-cta-row {
  justify-content: center;
  padding: 0.5rem 0;
}

/* New brief button wrapper */
.brief-new-btn-wrap {
  text-align: center;
  margin-top: 1.5rem;
  padding: 0 2rem;
}
.brief-app {
  min-height: calc(100vh - 200px);
  padding: var(--space-xl) 2rem var(--space-lg);
}

.brief-inner {
  max-width: 900px;
  margin: 0 auto;
}

.brief-header {
  margin-bottom: var(--space-lg);
}

.brief-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-top: 0.5rem;
}

.brief-sub {
  font-size: 1rem;
  color: var(--muted);
  margin-top: 0.75rem;
  line-height: 1.6;
}

/* Input section */
.brief-input-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 24px rgba(11, 31, 58, 0.06);
}

.brief-input-section label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.brief-input-section textarea {
  width: 100%;
  min-height: 120px;
  background: var(--parchment);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--navy);
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  line-height: 1.6;
}

.brief-input-section textarea:focus {
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px rgba(168, 132, 60, 0.12);
}

.brief-input-section textarea::placeholder {
  color: var(--muted);
}

.brief-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  gap: 1rem;
}

.char-count {
  font-size: 0.78rem;
  color: var(--muted);
}

.brief-submit-btn {
  background: var(--navy);
  color: var(--parchment);
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}

.brief-submit-btn:hover {
  background: var(--navy-light);
  transform: translateY(-1px);
}

.brief-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Error state */
.brief-error {
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  color: #991B1B;
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

/* Loading state */
.brief-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-lg) 0;
  gap: 1.25rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--bronze);
  border-radius: 50%;
  animation: brief-spin 0.8s linear infinite;
}

@keyframes brief-spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
}

/* Brief output */
.brief-output {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(11, 31, 58, 0.08);
}

.brief-output-header {
  background: var(--navy);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brief-output-label {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--parchment);
  font-style: italic;
}

.brief-output-meta {
  font-size: 0.78rem;
  color: rgba(246, 241, 230, 0.5);
}

.brief-content {
  padding: 2rem 2.5rem;
}

/* Section labels as visual headers inside the content */
.brief-section-block {
  margin-bottom: 2.5rem;
}

.brief-section-block:last-child {
  margin-bottom: 0;
}

.brief-section-title {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 500;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.brief-section-content {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.75;
}

.brief-section-content p {
  margin-bottom: 0.85rem;
}

.brief-section-content p:last-child {
  margin-bottom: 0;
}

.brief-section-content strong {
  color: var(--navy);
  font-weight: 600;
}

/* Bullet lists */
.brief-section-content ul {
  list-style: none;
  margin: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.brief-section-content ul li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  line-height: 1.6;
}

.brief-section-content ul li::before {
  content: '•';
  color: var(--bronze);
  font-size: 1.1rem;
  line-height: 1.5;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* Source citations */
.brief-sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.brief-sources-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.55;
}

.brief-sources-list li::before {
  content: '→';
  color: var(--bronze);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* New brief button */
.new-brief-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--bronze);
  border: 1px solid var(--bronze);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  margin-top: 0.75rem;
}

.new-brief-btn:hover {
  background: var(--bronze);
  color: white;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-right {
    display: none;
  }

  .cap-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .meth-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .meth-divider {
    display: none;
  }

  .auth-markers {
    gap: 3rem;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: var(--space-lg) 1.5rem var(--space-md);
  }

  .capabilities,
  .methodology,
  .authority,
  .closing {
    padding: var(--space-lg) 1.5rem;
  }

  .auth-markers {
    gap: 2rem;
  }

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