/* ==========================================================================
   Rothschild Archive — Extended Homepage Sections
   Loaded AFTER all base stylesheets. Adds styles for:
   About The Archive · Family Tree · Archive Collection
   Research & Sources · Mission · Newsletter
   ========================================================================== */

/* ============================================================
   SHARED UTILITIES (used across new sections)
   ============================================================ */

/* ── Scroll-reveal animation ─────────────────────────────── */
.will-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease-classic), transform 0.65s var(--ease-classic);
}

.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children in tree gen-1 */
.tree-gen-1-item:nth-child(2) { transition-delay: 0.08s; }
.tree-gen-1-item:nth-child(3) { transition-delay: 0.16s; }
.tree-gen-1-item:nth-child(4) { transition-delay: 0.24s; }

/* Stagger archive panels */
.archive-panel:nth-child(2) { transition-delay: 0.10s; }
.archive-panel:nth-child(3) { transition-delay: 0.20s; }

/* ============================================================ */

/* Gold ornamental rule — used between sections as chapter dividers */
.section-gold-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin: 0 auto 52px;
  max-width: 420px;
}

.section-gold-rule::before,
.section-gold-rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold) 60%, transparent);
}

.section-gold-rule-glyph {
  font-size: 14px;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

/* Section eyebrow label — uppercase tracked serif */
.sec-eyebrow {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  text-align: center;
  margin-bottom: 16px;
}

.sec-eyebrow--left {
  text-align: left;
}

/* Section heading — large Playfair Display */
.sec-heading {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
}

/* Chapter intro paragraph */
.sec-lead {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

/* Antique gold thin-border button */
.btn-archive {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 16px 32px;
  border: 1.5px solid var(--color-gold);
  color: var(--color-gold-bright);
  background: transparent;
  border-radius: var(--radius-sm);
  transition: background 0.22s var(--ease-classic), color 0.22s ease;
  cursor: pointer;
}

.btn-archive:hover {
  background: rgba(201, 162, 75, 0.10);
  color: var(--color-cream);
}

.btn-archive--solid {
  background: var(--color-navy-deep);
  color: var(--color-gold-bright);
}

.btn-archive--solid:hover {
  background: var(--color-navy);
  color: var(--color-cream);
}

.btn-archive--parchment {
  border-color: var(--color-sepia);
  color: var(--color-sepia-dark);
}

.btn-archive--parchment:hover {
  background: rgba(74, 58, 34, 0.08);
  color: var(--color-ink);
}

/* ============================================================
   1. ABOUT THE ARCHIVE
   ============================================================ */
.about-archive-section {
  position: relative;
  background: var(--color-parchment-light);
  padding: 100px 0 110px;
  overflow: hidden;
}

/* Parchment grain wash */
.about-archive-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/09_parchment_texture.jpg") no-repeat center / cover;
  opacity: 0.14;
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* Old-map atmospheric accent — bottom-right corner */
.about-archive-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  height: 55%;
  background: url("../assets/images/13_old_map_texture.jpg") no-repeat right bottom / cover;
  opacity: 0.10;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.about-archive-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

/* ── Left: historical image ──────────────────────────────── */
.about-archive-image-wrap {
  position: relative;
}

.about-archive-frame {
  position: relative;
  border: 1.5px solid rgba(165, 125, 55, 0.7);
  border-radius: 3px;
  padding: 6px;
  background: #12100a;
  box-shadow:
    0 22px 55px -14px rgba(10, 7, 2, 0.55),
    inset 0 1px 0 rgba(210, 175, 90, 0.12);
}

/* Double-border inner hairline */
.about-archive-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(165, 125, 55, 0.22);
  border-radius: 1px;
  pointer-events: none;
  z-index: 2;
}

.about-archive-img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border-radius: 1px;
  filter: sepia(0.55) contrast(1.1) brightness(0.9);
}

/* Atmospheric vignette over image */
.about-archive-frame::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 1px;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%, transparent 30%, rgba(8, 5, 2, 0.2) 100%),
    linear-gradient(180deg, rgba(8, 5, 2, 0.18) 0%, transparent 18%, transparent 70%, rgba(8, 5, 2, 0.42) 100%);
  pointer-events: none;
  z-index: 1;
}

/* Small caption under the image */
.about-archive-img-caption {
  margin-top: 14px;
  font-family: var(--font-caption);
  font-style: italic;
  font-size: 13.5px;
  color: var(--text-on-parchment-muted);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ── Right: text content ─────────────────────────────────── */
.about-archive-content {
  padding: 12px 0;
}

.about-archive-heading {
  font-size: clamp(30px, 3.8vw, 46px);
  color: var(--color-sepia-dark);
  margin-bottom: 10px;
  line-height: 1.1;
}

.about-archive-subtitle {
  font-family: var(--font-caption);
  font-style: italic;
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--color-gold-deep);
  margin-bottom: 26px;
}

.about-archive-divider {
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-gold) 0%, rgba(201, 162, 75, 0.2) 100%);
  margin-bottom: 28px;
}

.about-archive-body {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.8vw, 17.5px);
  line-height: 1.82;
  color: var(--text-on-parchment);
  margin-bottom: 14px;
}

.about-archive-body + .about-archive-body {
  margin-top: -6px;
}

.about-archive-cta {
  margin-top: 36px;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-archive-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-archive-img {
    aspect-ratio: 4 / 3;
  }

  .about-archive-content {
    padding: 0;
  }
}

/* ============================================================
   2. FEATURED PROFILES — override to 4 columns on desktop
   ============================================================ */

/* Switch the existing 3-column grid to 4 columns at wider viewports */
@media (min-width: 900px) {
  .featured-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

/* On tablet: 2 columns */
@media (max-width: 899px) and (min-width: 560px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* On mobile: 1 column */
@media (max-width: 559px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   3. FAMILY TREE
   ============================================================ */
.family-tree-section {
  position: relative;
  background: var(--color-parchment);
  padding: 100px 0 110px;
  overflow: hidden;
}

/* Script texture background */
.family-tree-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/11_old_script_texture.jpg") repeat;
  background-size: 500px;
  opacity: 0.08;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.family-tree-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 72px;
  position: relative;
  z-index: 1;
}

.family-tree-heading {
  font-size: clamp(28px, 3.8vw, 44px);
  color: var(--color-sepia-dark);
  margin-bottom: 16px;
}

.family-tree-lead {
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text-on-parchment-muted);
}

/* ── Tree diagram ────────────────────────────────────────── */
.family-tree-diagram {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

/* Generation 0 — founder */
.tree-gen-0 {
  display: flex;
  justify-content: center;
  margin-bottom: 0;
}

/* Vertical connector from founder down */
.tree-connector-v {
  width: 1px;
  height: clamp(32px, 4vw, 52px);
  background: linear-gradient(180deg, var(--color-gold) 0%, rgba(201, 162, 75, 0.4) 100%);
  margin: 0 auto;
}

/* Horizontal bar linking children */
.tree-h-bar-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  height: 1px;
  margin-bottom: 0;
}

.tree-h-bar {
  position: absolute;
  top: 0;
  left: 14%;
  right: 14%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold) 12%, var(--color-gold) 88%, transparent);
}

/* Tick down from each child position */
.tree-gen-1 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 0;
}

.tree-gen-1-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tree-tick {
  width: 1px;
  height: clamp(24px, 3vw, 40px);
  background: linear-gradient(180deg, var(--color-gold) 0%, rgba(201, 162, 75, 0.3) 100%);
}

/* ── Profile node card ───────────────────────────────────── */
.tree-node {
  background: var(--color-parchment-light);
  border: 1.5px solid rgba(165, 125, 55, 0.55);
  border-radius: var(--radius-card);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  position: relative;
  transition: transform 0.22s var(--ease-classic), box-shadow 0.22s ease;
  width: 100%;
}

.tree-node:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-deep);
}

/* Founder node — slightly different treatment */
.tree-node--founder {
  border-color: var(--color-gold);
  background: #f8f1de;
  max-width: 240px;
}

.tree-node-monogram {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--color-gold-line);
  background: var(--color-navy-deepest);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-family: var(--font-display);
  font-size: 22px;
  font-style: italic;
  color: var(--color-gold-bright);
}

.tree-node--founder .tree-node-monogram {
  width: 68px;
  height: 68px;
  font-size: 28px;
  border-color: var(--color-gold);
}

.tree-node-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-sepia-dark);
  line-height: 1.25;
  margin-bottom: 5px;
}

.tree-node--founder .tree-node-name {
  font-size: 17px;
}

.tree-node-dates {
  font-family: var(--font-serif);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--color-gold-deep);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.tree-node-role {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12.5px;
  color: var(--text-on-parchment-muted);
  line-height: 1.5;
}

.tree-node-link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-sepia-dark);
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 1px;
}

.family-tree-cta {
  text-align: center;
  margin-top: 60px;
  position: relative;
  z-index: 1;
}

/* ── Family Tree responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .tree-gen-1 {
    grid-template-columns: repeat(2, 1fr);
  }

  .tree-h-bar {
    left: 24%;
    right: 24%;
  }
}

@media (max-width: 440px) {
  .tree-gen-1 {
    grid-template-columns: 1fr;
  }

  .tree-h-bar-wrap,
  .tree-tick {
    display: none;
  }

  .tree-gen-1-item {
    margin-bottom: 16px;
  }
}

/* ============================================================
   4. ARCHIVE COLLECTION
   ============================================================ */
.archive-collection-section {
  position: relative;
  background: var(--color-navy-deepest);
  padding: 100px 0 110px;
  overflow: hidden;
}

/* Dark filigree texture */
.archive-collection-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/10_dark_filigree_texture.jpg") repeat;
  background-size: 640px;
  opacity: 0.14;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.archive-collection-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
  position: relative;
  z-index: 1;
}

.archive-collection-heading {
  font-size: clamp(28px, 3.8vw, 44px);
  color: var(--color-cream);
  margin-bottom: 18px;
}

.archive-collection-lead {
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--text-on-navy-muted);
}

.archive-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}

/* Each panel is a tall, museum-style display */
.archive-panel {
  position: relative;
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-navy-deep);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease-classic), box-shadow 0.25s ease;
}

.archive-panel:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 60px -18px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(201, 162, 75, 0.35);
}

/* Panel image area */
.archive-panel-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--color-navy-deepest);
}

.archive-panel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(0.45) brightness(0.72) contrast(1.08);
  transition: transform 0.5s var(--ease-classic), filter 0.4s ease;
}

.archive-panel:hover .archive-panel-media img {
  transform: scale(1.04);
  filter: sepia(0.35) brightness(0.82) contrast(1.06);
}

/* Dark gradient overlay on image */
.archive-panel-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13, 24, 48, 0.85) 100%);
  pointer-events: none;
}

/* Panel body */
.archive-panel-body {
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.archive-panel-category {
  font-family: var(--font-serif);
  font-size: 10.5px;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.archive-panel-category::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--color-gold);
  display: inline-block;
  flex-shrink: 0;
}

.archive-panel-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--color-cream);
  margin-bottom: 14px;
  line-height: 1.2;
}

.archive-panel-desc {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-on-navy-muted);
  flex: 1;
  margin-bottom: 24px;
}

.archive-panel-cta {
  margin-top: auto;
}

/* Archive panels responsive */
@media (max-width: 900px) {
  .archive-panels {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
}

@media (min-width: 560px) and (max-width: 900px) {
  .archive-panels {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }
}

/* ============================================================
   5. RESEARCH & SOURCES
   ============================================================ */
.research-section {
  position: relative;
  background: var(--color-parchment-light);
  padding: 100px 0 110px;
  overflow: hidden;
}

.research-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/09_parchment_texture.jpg") no-repeat center / cover;
  opacity: 0.12;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.research-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}

.research-content {
  padding-top: 8px;
}

.research-heading {
  font-size: clamp(28px, 3.5vw, 40px);
  color: var(--color-sepia-dark);
  margin-bottom: 20px;
}

.research-lead {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--text-on-parchment);
  margin-bottom: 22px;
}

.research-cta {
  margin-top: 32px;
}

/* Research pillars list */
.research-pillars {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.research-pillar {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: rgba(255, 252, 244, 0.65);
  border: 1px solid rgba(165, 125, 55, 0.3);
  border-radius: var(--radius-card);
  padding: 20px 22px;
  box-shadow: 0 4px 14px -6px rgba(30, 20, 5, 0.15);
}

.research-pillar-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-navy-deepest);
  border: 1.5px solid var(--color-gold-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-style: italic;
  color: var(--color-gold-bright);
}

.research-pillar-body {
  flex: 1;
}

.research-pillar-title {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--color-sepia-dark);
  margin-bottom: 5px;
}

.research-pillar-desc {
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-on-parchment-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .research-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ============================================================
   6. MISSION
   ============================================================ */
.mission-section {
  position: relative;
  background: var(--color-navy-deepest);
  padding: 110px 0 120px;
  overflow: hidden;
  text-align: center;
}

/* Architectural atmosphere */
.mission-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/04_hero_classical_architecture.jpg") no-repeat center / cover;
  opacity: 0.06;
  filter: grayscale(1);
  pointer-events: none;
}

/* Radial dark vignette over the image */
.mission-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 110% 80% at 50% 50%, rgba(7, 12, 23, 0.2) 0%, rgba(7, 12, 23, 0.7) 80%);
  pointer-events: none;
}

.mission-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

/* Opening quote ornament */
.mission-ornament {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 0.6;
  color: var(--color-gold);
  opacity: 0.35;
  display: block;
  margin-bottom: 36px;
  letter-spacing: -0.05em;
}

.mission-heading {
  font-size: clamp(30px, 4.2vw, 52px);
  color: var(--color-cream);
  margin-bottom: 32px;
}

.mission-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.82;
  color: var(--text-on-navy-muted);
  max-width: 680px;
  margin: 0 auto 16px;
}

.mission-text + .mission-text {
  margin-top: 6px;
}

/* Gold separator line under text */
.mission-rule {
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 40px auto;
}

/* Three value pillars */
.mission-values {
  display: flex;
  justify-content: center;
  gap: clamp(32px, 6vw, 72px);
  flex-wrap: wrap;
  margin-top: 8px;
}

.mission-value {
  text-align: center;
}

.mission-value-latin {
  font-family: var(--font-caption);
  font-style: italic;
  font-size: clamp(15px, 2vw, 19px);
  color: var(--color-gold-bright);
  display: block;
  margin-bottom: 4px;
}

.mission-value-english {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-on-navy-muted);
}

/* ============================================================
   7. NEWSLETTER
   ============================================================ */
.newsletter-section {
  position: relative;
  background: var(--color-parchment);
  padding: 90px 0 100px;
  overflow: hidden;
}

.newsletter-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/images/09_parchment_texture.jpg") no-repeat center / cover;
  opacity: 0.18;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.newsletter-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40%;
  height: 50%;
  background: url("../assets/images/11_old_script_texture.jpg") no-repeat left bottom / cover;
  opacity: 0.10;
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 10% 100%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 75% at 10% 100%, #000 0%, transparent 75%);
  pointer-events: none;
}

.newsletter-inner {
  position: relative;
  z-index: 1;
  max-width: 580px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-heading {
  font-size: clamp(24px, 3.2vw, 38px);
  color: var(--color-sepia-dark);
  margin-bottom: 14px;
}

.newsletter-lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(15px, 1.8vw, 17.5px);
  line-height: 1.78;
  color: var(--text-on-parchment-muted);
  margin-bottom: 40px;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.newsletter-field {
  position: relative;
}

.newsletter-input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(248, 243, 232, 0.8);
  border: 1.5px solid rgba(165, 125, 55, 0.45);
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 15.5px;
  color: var(--color-sepia-dark);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
  box-sizing: border-box;
}

.newsletter-input::placeholder {
  color: var(--text-on-parchment-muted);
  font-style: italic;
}

.newsletter-input:focus {
  border-color: var(--color-gold);
  background: rgba(248, 243, 232, 1);
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.12);
}

.newsletter-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 18px 32px;
  background: var(--color-navy-deepest);
  border: 1.5px solid var(--color-gold);
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-gold-bright);
  cursor: pointer;
  transition: background 0.22s var(--ease-classic), color 0.22s ease;
}

.newsletter-submit:hover {
  background: var(--color-navy-deep);
  color: var(--color-cream);
}

.newsletter-submit-arrow {
  font-size: 16px;
  line-height: 1;
}

.newsletter-disclaimer {
  margin-top: 18px;
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--text-on-parchment-muted);
  font-style: italic;
  line-height: 1.6;
}

/* Success / error states */
.newsletter-message {
  margin-top: 18px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 14.5px;
  display: none;
}

.newsletter-message.success {
  display: block;
  background: rgba(201, 162, 75, 0.12);
  border: 1px solid rgba(201, 162, 75, 0.4);
  color: var(--color-sepia-dark);
}

.newsletter-message.error {
  display: block;
  background: rgba(120, 30, 20, 0.08);
  border: 1px solid rgba(120, 30, 20, 0.3);
  color: #6b1a10;
}

/* ============================================================
   8. ENHANCED FOOTER
   ============================================================ */

/* The footer already exists; just add the gold rule divider above it */
.site-footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-line) 25%, var(--color-gold-line) 75%, transparent);
  margin: 0;
}

/* ============================================================
   RESPONSIVE UTILITIES
   ============================================================ */
@media (max-width: 600px) {
  .about-archive-section,
  .family-tree-section,
  .archive-collection-section,
  .research-section,
  .mission-section,
  .newsletter-section {
    padding: 72px 0 80px;
  }

  .mission-values {
    gap: 24px;
  }

  .archive-panels {
    grid-template-columns: 1fr;
  }
}