/* ============================================================
   SII — Settlement Integrity Institute
   Design System: Institutional Authority
   Hybrid: Monument hero (C) + White Paper editorial (B)
   ============================================================ */

/* --- Design Tokens --- */
:root {
  /* Brand Colors */
  --color-navy:         #1B2A4A;
  --color-navy-deep:    #0F1A30;
  --color-navy-mid:     #2A3D64;
  --color-navy-light:   #3C5280;
  --color-bronze:       #8B7355;
  --color-bronze-light: #A99579;
  --color-bronze-dark:  #6B5840;
  --color-parchment:    #F8F6F3;
  --color-parchment-dk: #EDE9E3;
  --color-white:        #FFFFFF;

  /* Semantic */
  --color-bg:           var(--color-parchment);
  --color-text:         var(--color-navy);
  --color-text-muted:   #6B6860;
  --color-text-faint:   #9E9B94;
  --color-text-on-navy: #D8D4CE;
  --color-text-muted-navy: #8A8680;
  --color-border:       var(--color-parchment-dk);

  /* Type Scale (fluid) */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3.5rem,   1rem    + 8vw,    9rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono:    'JetBrains Mono', 'Consolas', monospace;

  /* Nav */
  --nav-height: 68px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Widths */
  --content-narrow: 720px;
  --content-default: 1080px;
  --content-wide: 1280px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 400ms var(--ease-out),
              box-shadow 400ms var(--ease-out);
}

.nav--scrolled {
  background: rgba(15, 26, 48, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(139, 115, 85, 0.15);
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-parchment);
  transition: opacity var(--transition-interactive);
}

.nav__logo:hover {
  opacity: 0.85;
}

.nav__mark-svg {
  height: 32px;
  width: auto;
  color: var(--color-parchment);
  display: block;
}

.nav__links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted-navy);
  text-decoration: none;
}

.nav__links a:hover {
  color: var(--color-parchment);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  position: relative;
  z-index: 101;
  background: none;
  border: none;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-parchment);
  transition: transform 300ms var(--ease-out), opacity 200ms;
}

/* ============================================================
   HERO — MONUMENTAL (from Direction C)
   Full-bleed navy, "Trust Fabric" at billboard scale
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-navy-deep);
  overflow: hidden;
  padding: var(--space-32) var(--space-8) var(--space-16);
}

/* Subtle grid pattern (the vault texture) */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(139,115,85,0.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(139,115,85,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

/* Radial vignette */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(10,16,28,0.5) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
}

.hero__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-8);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 0.5rem + 7vw, 7.5rem);
  font-weight: 400;
  color: var(--color-parchment);
  line-height: 0.95;
  margin-bottom: var(--space-8);
}

.hero__rule {
  width: 80px;
  height: 2px;
  background: var(--color-bronze);
  margin: 0 auto var(--space-8);
  border: none;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text-on-navy);
  line-height: 1.6;
  max-width: 560px;
  margin: 0 auto var(--space-12);
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  margin-bottom: var(--space-12);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.hero__stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 1rem + 3.5vw, 4.5rem);
  font-weight: 400;
  color: var(--color-parchment);
  line-height: 1;
  letter-spacing: -0.01em;
}

.hero__stat-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted-navy);
}

.hero__institution {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-text-muted-navy);
  margin-top: var(--space-4);
}

.hero__institution span {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-text-muted-navy);
  opacity: 0.6;
}

/* ============================================================
   EDITORIAL SECTIONS — Parchment ground (from Direction B)
   ============================================================ */

.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-8);
}

.section--parchment {
  background: var(--color-parchment);
}

.section--white {
  background: var(--color-white);
}

.section--navy {
  background: var(--color-navy);
}

.section--navy-deep {
  background: var(--color-navy-deep);
}

.section__container {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.section__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.section--navy .section__title,
.section--navy-deep .section__title {
  color: var(--color-parchment);
}

.section__rule {
  width: 60px;
  height: 2px;
  background: var(--color-bronze);
  margin-bottom: var(--space-8);
  border: none;
}

.section__lead {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: var(--space-12);
}

.section--navy .section__lead,
.section--navy-deep .section__lead {
  color: var(--color-text-on-navy);
}

/* ============================================================
   THE ASSURANCE GAP — Two-column editorial (from B/C hybrid)
   ============================================================ */

.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.editorial__col p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.editorial__pullquote {
  border-left: 3px solid var(--color-bronze);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
}

.editorial__pullquote p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-navy);
  font-weight: 400;
  line-height: 1.7;
}

.editorial__pullquote .highlight {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-bronze);
}

/* ============================================================
   STATS BAR — Divider between sections
   ============================================================ */

.stats-bar {
  display: flex;
  justify-content: center;
  gap: clamp(var(--space-12), 6vw, var(--space-24));
  padding: var(--space-12) var(--space-8);
  border-top: 1px solid var(--color-parchment-dk);
  border-bottom: 1px solid var(--color-parchment-dk);
  background: var(--color-parchment);
}

.stats-bar__item {
  text-align: center;
}

.stats-bar__item--link {
  text-decoration: none;
  transition: opacity 180ms ease;
}

.stats-bar__item--link:hover {
  opacity: 0.72;
}

.stats-bar__item--link:hover .stats-bar__num {
  color: var(--color-bronze);
  transition: color 180ms ease;
}

.stats-bar__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stats-bar__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-bronze);
}

/* ============================================================
   DOMAIN CARDS — White cards on parchment (B style)
   ============================================================ */

.domains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.domain-card {
  border: 1px solid var(--color-parchment-dk);
  padding: var(--space-8);
  background: var(--color-white);
  transition: box-shadow 300ms var(--ease-out),
              transform 300ms var(--ease-out);
}

.domain-card:hover {
  box-shadow: 0 4px 20px rgba(27, 42, 74, 0.08);
  transform: translateY(-2px);
}

.domain-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-bronze);
  margin-bottom: var(--space-3);
}

.domain-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.domain-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   LAYERS — Navy band with structured list
   ============================================================ */

.layers-list {
  margin-top: var(--space-10);
}

.layer-item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5) 0;
  border-bottom: 1px solid rgba(139, 115, 85, 0.15);
}

.layer-item__code {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 44px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(139, 115, 85, 0.2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-bronze);
  flex-shrink: 0;
}

.layer-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-parchment);
}

.layer-item__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted-navy);
  margin-left: auto;
  max-width: 400px;
  text-align: right;
}

/* ============================================================
   VERDICTS — Clean grid on white
   ============================================================ */

.verdicts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.verdict-card {
  padding: var(--space-6);
  border: 1px solid var(--color-parchment-dk);
  background: var(--color-parchment);
}

.verdict-card__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-bronze);
  margin-bottom: var(--space-2);
}

.verdict-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.verdict-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   LINKED CARDS — cursor, hover states, reset anchor defaults
   ============================================================ */

.domain-card--link,
.verdict-card--link {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.layer-item--link {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  /* keep display: flex from .layer-item */
}

/* Domain cards: lift + bronze border glow on hover */
.domain-card--link:hover {
  box-shadow: 0 6px 28px rgba(27, 42, 74, 0.10),
              0 0 0 1px rgba(139, 115, 85, 0.35);
  transform: translateY(-3px);
  border-color: rgba(139, 115, 85, 0.45);
}

/* Layer items: subtle bronze left-border intensification */
.layer-item--link {
  transition: background 250ms var(--ease-out),
              border-color 250ms var(--ease-out),
              padding-left 250ms var(--ease-out);
}

.layer-item--link:hover {
  background: rgba(139, 115, 85, 0.06);
  border-bottom-color: rgba(139, 115, 85, 0.30);
  padding-left: var(--space-4);
}

.layer-item--link:hover .layer-item__code {
  border-color: rgba(139, 115, 85, 0.45);
  background: rgba(139, 115, 85, 0.10);
}

.layer-item--link:hover .layer-item__title {
  color: rgba(248, 246, 243, 1);
}

/* Verdict cards: lift + border glow on hover */
.verdict-card--link {
  transition: box-shadow 300ms var(--ease-out),
              transform 300ms var(--ease-out),
              border-color 300ms var(--ease-out);
}

.verdict-card--link:hover {
  box-shadow: 0 4px 20px rgba(27, 42, 74, 0.09),
              0 0 0 1px rgba(139, 115, 85, 0.30);
  transform: translateY(-2px);
  border-color: rgba(139, 115, 85, 0.40);
}

/* ============================================================
   VERSION BANNER — Academic paper stamp (from B)
   ============================================================ */

.version-banner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-bronze);
  border-top: 1px solid var(--color-parchment-dk);
  margin-top: var(--space-12);
}

.version-banner span {
  opacity: 0.5;
}

/* Section CTA row — understated deep-link */
.section__cta-row {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(27, 42, 74, 0.1);
}

.section__cta-link {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-bronze);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 200ms ease;
}

.section__cta-link:hover {
  opacity: 1;
}

/* On navy backgrounds */
.section--navy .section__cta-row,
.section--navy-deep .section__cta-row {
  border-top-color: rgba(248, 246, 243, 0.1);
}

.section__cta-link--light {
  color: var(--color-parchment);
  opacity: 0.55;
}

.section__cta-link--light:hover {
  opacity: 0.9;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--color-navy-deep);
  padding: var(--space-16) var(--space-8) var(--space-8);
}

.footer__monolith {
  display: flex;
  justify-content: center;
  padding-bottom: var(--space-16);
  margin-bottom: var(--space-16);
  border-bottom: 1px solid rgba(139, 115, 85, 0.12);
}

.footer__monolith-svg {
  width: 340px;
  height: auto;
}

.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-16);
}

.footer__brand-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-parchment);
  margin-bottom: var(--space-2);
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted-navy);
}

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

.footer__col-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-bronze);
  margin-bottom: var(--space-4);
}

.footer__col ul {
  list-style: none;
  padding: 0;
}

.footer__col li {
  margin-bottom: var(--space-2);
}

.footer__col a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted-navy);
  text-decoration: none;
}

.footer__col a:hover {
  color: var(--color-parchment);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(139, 115, 85, 0.12);
}

.footer__copyright {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted-navy);
}

.footer__meridian {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted-navy);
  opacity: 0.7;
}

/* ============================================================
   SCROLL ANIMATIONS (CSS-only, progressive enhancement)
   ============================================================ */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .editorial {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .domains-grid {
    grid-template-columns: 1fr;
  }

  .layer-item__desc {
    display: none;
  }

  .footer__top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-8);
  }

  .footer__links {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
  }

  .footer__col {
    text-align: center;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* ============================================================
   MOBILE NAV CHAMBER
   Full-screen overlay — the institution in miniature
   ============================================================ */

.nav__chamber {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: #0F1A30;
  display: flex;
  flex-direction: column;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0s linear 0.45s;
  /* Force new stacking context above all page content */
  isolation: isolate;
  will-change: opacity;
}

.nav__chamber.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transition: opacity 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0s linear 0s;
}

.nav__chamber-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: calc(var(--nav-height) + 2.5rem) 2.5rem 3rem;
  position: relative;
}

/* Large SII mark at top */
.nav__chamber-mark {
  width: 72px;
  height: 56px;
  margin-bottom: 2.5rem;
  color: var(--color-parchment);
  opacity: 0;
  transform: translateY(16px);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.05s,
              opacity 0.5s ease 0.05s;
}

.nav__chamber.is-open .nav__chamber-mark {
  transform: translateY(0);
  opacity: 0.9;
}

.nav__chamber-mark svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Nav list with spine */
.nav__chamber-nav {
  position: relative;
  flex: 1;
}

/* Spine line removed — numerals carry the rhythm */
.nav__chamber-spine {
  display: none;
}

.nav__chamber-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav__chamber-item {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(248, 246, 243, 0.06);
  transform: translateX(-12px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.4s ease;
}

/* Staggered entrance for each item */
.nav__chamber.is-open .nav__chamber-item:nth-child(1) { transition-delay: 0.08s; transform: translateX(0); opacity: 1; }
.nav__chamber.is-open .nav__chamber-item:nth-child(2) { transition-delay: 0.13s; transform: translateX(0); opacity: 1; }
.nav__chamber.is-open .nav__chamber-item:nth-child(3) { transition-delay: 0.18s; transform: translateX(0); opacity: 1; }
.nav__chamber.is-open .nav__chamber-item:nth-child(4) { transition-delay: 0.23s; transform: translateX(0); opacity: 1; }
.nav__chamber.is-open .nav__chamber-item:nth-child(5) { transition-delay: 0.28s; transform: translateX(0); opacity: 1; }
.nav__chamber.is-open .nav__chamber-item:nth-child(6) { transition-delay: 0.33s; transform: translateX(0); opacity: 1; }

.nav__chamber-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--color-bronze);
  width: 3rem;
  text-align: center;
  flex-shrink: 0;
  position: relative;
  opacity: 0.8;
}

/* No dot — active state lives on the row border instead */

.nav__chamber-link {
  font-family: var(--font-body);
  font-size: 1.35rem;
  font-weight: 300;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(248, 246, 243, 0.65);
  text-decoration: none;
  transition: color 0.25s ease;
  flex: 1;
  padding-left: 0.25rem;
}

.nav__chamber-item.is-current {
  border-left: 1.5px solid var(--color-bronze);
  padding-left: 0.75rem;
  margin-left: -0.75rem;
}

.nav__chamber-item.is-current .nav__chamber-link {
  color: var(--color-parchment);
}

.nav__chamber-item.is-current .nav__chamber-num {
  opacity: 1;
  color: var(--color-bronze);
}

.nav__chamber-link:hover {
  color: var(--color-parchment);
}

/* Tagline at the bottom */
.nav__chamber-tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(139, 115, 85, 0.55);
  line-height: 1.8;
  margin-top: auto;
  padding-top: 2rem;
  transform: translateY(8px);
  opacity: 0;
  transition: transform 0.5s ease 0.1s, opacity 0.5s ease 0.1s;
}

.nav__chamber.is-open .nav__chamber-tagline {
  transform: translateY(0);
  opacity: 1;
  transition-delay: 0.38s;
}

/* Hamburger → close mark when chamber is open */
.nav__hamburger {
  position: relative;
  z-index: 1001;
  width: 38px;
  height: 38px;
  display: none;
  align-items: center;
  justify-content: center;
}

/* The three bars fade out when open */
.nav__hamburger.is-open span {
  opacity: 0;
  transform: scaleX(0);
}

/* Refined × drawn via pseudo-element — dissolves in */
.nav__hamburger::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms var(--ease-out) 150ms;
  /* Two thin diagonal lines using background gradients */
  background-image:
    linear-gradient(45deg,  transparent calc(50% - 0.75px), var(--color-parchment) calc(50% - 0.75px), var(--color-parchment) calc(50% + 0.75px), transparent calc(50% + 0.75px)),
    linear-gradient(-45deg, transparent calc(50% - 0.75px), var(--color-parchment) calc(50% - 0.75px), var(--color-parchment) calc(50% + 0.75px), transparent calc(50% + 0.75px));
  background-size: 20px 20px;
  background-repeat: no-repeat;
  background-position: center center;
}

.nav__hamburger.is-open::after {
  opacity: 1;
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero {
    padding: var(--space-24) var(--space-6) var(--space-12);
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .stats-bar {
    flex-direction: column;
    gap: var(--space-8);
    align-items: center;
  }

  .section {
    padding: var(--space-12) var(--space-6);
  }

  .verdicts-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   SII-TARS TEASER — Homepage section
   ============================================================ */

.tars-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
  align-items: center;
}

.tars-teaser__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  color: var(--color-parchment);
  line-height: 0.95;
  margin-bottom: var(--space-3);
}

.tars-teaser__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bronze-light);
  margin-bottom: var(--space-6);
}

.tars-teaser__rule {
  width: 48px;
  height: 2px;
  background: var(--color-bronze);
  border: none;
  margin: 0 0 var(--space-6);
}

.tars-teaser__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-on-navy);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.tars-teaser__cta {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bronze);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 115, 85, 0.4);
  padding-bottom: 2px;
  transition: color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.tars-teaser__cta:hover {
  color: var(--color-bronze-light);
  border-color: var(--color-bronze-light);
}

.tars-teaser__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.tars-teaser__score {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.tars-teaser__score-num {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  color: var(--color-parchment);
  line-height: 1;
}

.tars-teaser__score-denom {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-bronze);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tars-teaser__domains {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tars-teaser__domain {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(139, 115, 85, 0.1);
}

.tars-teaser__domain:last-child {
  border-bottom: none;
}

.tars-teaser__domain-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-bronze);
  letter-spacing: 0.05em;
}

.tars-teaser__domain-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-on-navy);
}

.tars-teaser__domain-pts {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted-navy);
}

@media (max-width: 900px) {
  .tars-teaser {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
}