/* ============================================================
   SUBTWO COMPONENT LIBRARY
   All components from subtwo_component_library.html
   ============================================================ */

/* ── NAVIGATION BAR ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--color-border);
  height: 60px;
  display: flex;
  align-items: center;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: flex-end;
  gap: 0;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-sub {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -1.5px;
  color: #0A1128;
  line-height: 1;
}

.nav-logo-two {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 20px;
  color: var(--color-primary-mid);
  line-height: 1;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease-enter);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.nav-search {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  transition: background var(--dur-micro) var(--ease-enter);
  cursor: pointer;
  background: transparent;
}

.nav-search:hover {
  background: var(--color-surface);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--dur-fast) var(--ease-enter), opacity var(--dur-fast) var(--ease-enter);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-6) var(--space-4);
    gap: var(--space-5);
    border-bottom: 0.5px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(30, 24, 37, 0.08);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    font-size: 15px;
  }

  .nav-actions {
    display: none;
  }

  .nav-links.open ~ .nav-actions {
    display: flex;
  }
}

/* ── BUTTONS ── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--pad-btn);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid transparent;
  line-height: 1;
  text-decoration: none;
  transition: background var(--dur-micro) var(--ease-enter),
              transform var(--dur-fast) var(--ease-enter),
              box-shadow var(--dur-fast) var(--ease-enter);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--violet-800);
  box-shadow: 0 4px 12px rgba(59, 46, 94, 0.2);
  color: var(--color-surface);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary-mid);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--color-primary);
  transform: none;
}

.btn-stone {
  background: var(--color-accent);
  color: var(--color-ground);
  border-color: var(--color-accent);
}

.btn-stone:hover {
  background: var(--stone-500);
  box-shadow: 0 4px 12px rgba(196, 173, 140, 0.3);
}

/* Dark surface buttons */
.btn-primary-dark {
  background: var(--color-accent);
  color: var(--color-ground);
  border-color: var(--color-accent);
}

.btn-primary-dark:hover {
  background: var(--stone-200);
}

.btn-secondary-dark {
  background: transparent;
  color: var(--color-surface);
  border-color: var(--color-surface);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12px;
}

.btn-lg {
  padding: 13px 26px;
  font-size: 15px;
}

/* ── TAGS ── */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--pad-tag);
  border-radius: var(--radius-pill);
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  cursor: default;
  transition: background var(--dur-micro) ease-out,
              border-color var(--dur-micro) ease-out,
              color var(--dur-micro) ease-out;
}

.tag-content {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 0.5px solid var(--color-primary-muted);
}

.tag-report {
  background: var(--color-accent-light);
  color: var(--stone-800);
  border: 0.5px solid var(--color-accent);
}

.tag-new {
  background: var(--color-success-bg);
  color: #1A5C30;
  border: 0.5px solid var(--color-success);
}

.tag-subscriber {
  background: var(--color-primary);
  color: var(--color-surface);
  border: 0.5px solid var(--color-primary);
}

.tag-free {
  background: var(--color-info-bg);
  color: #1A3566;
  border: 0.5px solid var(--color-info);
}

.tag-topic {
  background: var(--neutral-100);
  color: var(--color-text-secondary);
  border: 0.5px solid var(--neutral-300);
}

.tag-topic:hover {
  background: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}

.tag-updated {
  background: var(--color-warning-bg);
  color: #7A4A0A;
  border: 0.5px solid var(--color-warning);
}

/* ── CARDS ── */

.card {
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: white;
  transition: transform var(--dur-base) var(--ease-enter),
              border-color var(--dur-base) ease-out,
              box-shadow var(--dur-base) var(--ease-enter);
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary-mid);
  box-shadow: 0 8px 24px rgba(59, 46, 94, 0.1);
}

/* Article card */
.card-article .card-accent {
  height: 6px;
  background: var(--color-primary);
}

.card-article .card-accent.stone { background: var(--color-accent); }
.card-article .card-accent.violet { background: var(--color-primary-mid); }

.card-article .card-body {
  padding: var(--space-4);
}

.card-eyebrow {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary-mid);
  margin-bottom: var(--space-2);
}

.card-eyebrow.stone { color: var(--color-accent-mid); }
.card-eyebrow.violet { color: var(--color-primary-mid); }

.card-title {
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.card-excerpt {
  font-family: var(--font-editorial);
  font-size: 11px;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-3);
}

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

.card-date {
  font-size: 10px;
  color: var(--color-text-tertiary);
  font-family: var(--font-data);
}

.card-read {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary-mid);
  text-decoration: none;
}

/* Stat card */
.card-stat {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 0.5px solid var(--color-primary-muted);
  border-radius: var(--radius-xl);
  transition: transform var(--dur-base) var(--ease-enter),
              box-shadow var(--dur-base) var(--ease-enter);
}

.card-stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(59, 46, 94, 0.1);
}

.card-stat .stat-number {
  font-family: var(--font-data);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.card-stat .stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary-mid);
  margin-bottom: var(--space-2);
}

.card-stat .stat-source {
  font-size: 10px;
  color: var(--color-primary-muted);
  font-family: var(--font-data);
}

/* Dark stat card */
.card-stat-dark {
  padding: var(--space-4) var(--space-5);
  background: var(--color-ground);
  border-radius: var(--radius-xl);
  transition: transform var(--dur-base) var(--ease-enter),
              box-shadow var(--dur-base) var(--ease-enter);
}

.card-stat-dark:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(30, 24, 37, 0.3);
}

.card-stat-dark .stat-number {
  font-family: var(--font-data);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.card-stat-dark .stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-surface);
  margin-bottom: var(--space-2);
}

.card-stat-dark .stat-source {
  font-size: 10px;
  color: var(--color-primary-mid);
  font-family: var(--font-data);
}

/* Research card */
.card-research .card-header {
  background: var(--color-primary);
  padding: 14px 16px;
}

.card-research .card-header.stone {
  background: var(--color-accent);
}

.card-research .card-header .card-eyebrow {
  color: var(--color-primary-mid);
  margin-bottom: var(--space-2);
}

.card-research .card-header.stone .card-eyebrow {
  color: var(--stone-700);
}

.card-research .card-header .card-title {
  color: var(--color-surface);
}

.card-research .card-header.stone .card-title {
  color: var(--color-ground);
}

.card-research .card-body-inner {
  padding: 14px 16px;
  background: white;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  align-items: center;
}

.card-pages {
  font-size: 10px;
  color: var(--color-text-tertiary);
  font-family: var(--font-data);
}

.card-topics {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.card-desc {
  font-family: var(--font-editorial);
  font-size: 11px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  background: var(--color-primary);
  color: var(--color-surface);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--dur-micro) var(--ease-enter);
}

.card-cta:hover {
  background: var(--violet-800);
  color: var(--color-surface);
}

.card-cta.stone {
  background: var(--color-accent);
  color: var(--color-ground);
}

.card-cta.stone:hover {
  background: var(--stone-500);
}

/* ── FLASHCARD ── */

.flashcard {
  background: var(--color-ground);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.fc-eyebrow {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--neutral-700);
  margin-bottom: var(--space-4);
}

.fc-number {
  font-family: var(--font-data);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.fc-label {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-surface);
  margin-bottom: var(--space-1);
}

.fc-sub {
  font-size: 12px;
  color: var(--color-primary-mid);
  margin-bottom: var(--space-4);
}

.fc-divider {
  height: 0.5px;
  background: var(--violet-800);
  margin-bottom: var(--space-3);
}

.fc-insight {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 12px;
  color: var(--color-primary-muted);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

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

.fc-source {
  font-size: 9px;
  color: var(--color-primary);
  font-family: var(--font-data);
}

.fc-brand {
  display: flex;
  align-items: flex-end;
}

.fc-brand-sub {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-surface);
  letter-spacing: -1px;
}

.fc-brand-two {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 13px;
  color: var(--color-accent);
}

/* ── CALLOUTS ── */

.callout {
  border-radius: 0 8px 8px 0;
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid;
}

.callout-insight {
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
}

.callout-data {
  background: var(--color-surface);
  border-left-color: var(--color-primary);
}

.callout-note {
  background: var(--neutral-100);
  border-left-color: var(--neutral-300);
}

.callout-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.callout-insight .callout-title { color: var(--stone-800); }
.callout-data .callout-title { color: var(--color-primary); }
.callout-note .callout-title { color: var(--color-text-secondary); }

.callout-body {
  font-family: var(--font-editorial);
  font-size: 12px;
  line-height: 1.7;
}

.callout-insight .callout-body { color: var(--stone-900); }
.callout-data .callout-body { color: var(--violet-800); }
.callout-note .callout-body { color: var(--color-text-secondary); }

/* ── PULL QUOTE ── */

.pull-quote {
  padding: var(--space-5) var(--space-6);
  border-left: 3px solid var(--color-accent);
}

.pull-quote-text {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 18px;
  line-height: 1.75;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.pull-quote-attr {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary-muted);
}

/* ── FORM ELEMENTS ── */

.input-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 100%;
}

.input-field {
  width: 100%;
  padding: 10px 16px;
  border: 1.5px solid var(--color-primary-muted);
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 13px;
  color: var(--color-text-primary);
  background: white;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-enter),
              box-shadow var(--dur-fast) var(--ease-enter);
}

.input-field::placeholder {
  color: var(--color-text-tertiary);
}

.input-field:focus {
  border-color: var(--color-primary-mid);
  box-shadow: 0 0 0 3px rgba(107, 91, 158, 0.1);
}

.subscribe-row {
  display: flex;
  gap: 0;
}

.subscribe-row .input-field {
  flex: 1;
  border-radius: 8px 0 0 8px;
  border-right: none;
}

.subscribe-row .input-field:focus {
  z-index: 1;
}

.subscribe-btn {
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-surface);
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur-micro) var(--ease-enter);
}

.subscribe-btn:hover {
  background: var(--violet-800);
}

.subscribe-hint {
  font-size: 10px;
  color: var(--color-text-tertiary);
  margin-top: var(--space-2);
}

/* ── DIVIDERS ── */

.divider {
  height: 0.5px;
  background: var(--color-border);
  width: 100%;
}

.divider-accent {
  height: 2px;
  background: var(--color-primary);
  width: 48px;
}

.divider-stone {
  height: 2px;
  background: var(--color-accent);
  width: 48px;
}

/* ── SECTION LABEL ── */

.section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* ── GRIDS ── */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-card);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap-card);
}

@media (max-width: 1199px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ── SCROLL ANIMATION STATES ── */

.fade-up {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-base) var(--ease-enter),
              transform var(--dur-base) var(--ease-enter);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── FOOTER ── */

.footer {
  background: var(--color-ground);
  padding: var(--space-12) 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
}

.footer-logo {
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  margin-bottom: var(--space-3);
}

.footer-logo-sub {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -1.5px;
  color: #F8FAFC;
  line-height: 1;
}

.footer-logo-two {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 22px;
  color: var(--color-accent);
  line-height: 1;
}

.footer-tagline {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 14px;
  color: var(--color-primary-mid);
  margin-bottom: var(--space-6);
}

.footer-links {
  display: flex;
  gap: var(--space-10);
}

.footer-col h5 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary-muted);
  margin-bottom: var(--space-3);
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--neutral-500);
  margin-bottom: var(--space-2);
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease-enter);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 0.5px solid var(--violet-800);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 11px;
  color: var(--neutral-700);
  font-family: var(--font-data);
}

@media (max-width: 767px) {
  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}