/* ═══════════════════════════════════════════════════════════════
   ethos.css — MireonSpero™ Ethos Page
   All .et- namespaced. No collision with global.css, home.css,
   support.css, first-impressions.css, or library.css.
   Mirrors library.css architectural blueprint exactly.
   Relies on global.css for :root tokens and base resets.
═══════════════════════════════════════════════════════════════ */


/* ── GLOBAL BACKGROUND ───────────────────────────────────── */

.ethos-bg {
  background-image: url('../assets/support/ethos/ethos-background.webp');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  margin: 0;
  padding: 0;
  color: var(--ms-navy);
}


/* ── SHARED UTILITIES ────────────────────────────────────── */

.et-section-meta {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ms-gray);
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 1.5rem;
}

.et-link-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ms-teal);
  text-decoration: none;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: opacity 0.15s;
}
.et-link-text::after { content: '→'; }
.et-link-text--back::after { content: ''; }
.et-link-text--back::before { content: '← '; }
.et-link-text:hover { opacity: 0.72; }


/* ── ETHOS MASTHEAD ──────────────────────────────────────── */

.et-masthead {
  max-width: 100%;
  margin: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.30);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border-bottom: 1px solid var(--ms-rule);
}

.et-masthead-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.et-masthead-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ms-navy);
  font-weight: 600;
}

.et-masthead-heading {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 400;
  color: var(--ms-navy);
  line-height: 1.1;
  margin: 0;
  letter-spacing: 0.01em;
}

.et-masthead-body {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: #2d3748;
  line-height: 1.78;
  max-width: 560px;
  margin: 0;
}


/* ── STICKY QUICK-ACCESS NAV ─────────────────────────────── */

.et-quick-access {
  position: sticky;
  top: var(--site-header-height, 0px);
  z-index: 900;
  background: rgba(255, 255, 255, 0.36);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  border-bottom: 1px solid var(--ms-rule);
  max-width: 100%;
  margin: 0;
  padding: 0;
}

.et-quick-access-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  gap: 0;
}
.et-quick-access-inner::-webkit-scrollbar { display: none; }

.et-qnav-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.70rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ms-gray);
  text-decoration: none;
  padding: 0.85rem 1.25rem;
  white-space: nowrap;
  display: inline-block;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  position: relative;
  bottom: -1px;
}
.et-qnav-link:hover {
  color: var(--ms-navy);
  border-bottom-color: var(--ms-gold);
}

.et-qnav-sep {
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--ms-rule);
  flex-shrink: 0;
}


/* ── PHASE RECORDS HEADER ────────────────────────────────── */

.et-phase-records-header {
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  padding: 3.5rem 2rem 2.5rem;
  max-width: 100%;
  margin: 0;
  border-top: 1px solid var(--ms-rule);
}

.et-phase-records-header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.et-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--ms-rule);
}

.et-section-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  font-weight: 400;
  color: var(--ms-navy);
  line-height: 1.2;
  margin: 0;
}

.et-phase-records-intro {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.90rem;
  color: #2d3748;
  line-height: 1.78;
  max-width: 760px;
  margin: 0;
}


/* ── SECTION WRAPPERS ────────────────────────────────────── */

.et-section-wrap {
  max-width: 100%;
  margin: 0;
  padding: 0;
}

.et-section-wrap--cream {
  background: rgba(248, 246, 241, 0.32);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

.et-section-wrap--white {
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

.et-section-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr;
  border-top: 1px solid var(--ms-rule);
}


/* ── SECTION LABEL COLUMN (ghost numeral rail) ───────────── */

.et-section-label-col {
  padding: 4rem 2rem;
  border-right: 1px solid var(--ms-rule);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.4rem;
  padding-top: 4.5rem;
}

.et-ghost-num {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(29, 53, 87, 0.08);
  line-height: 1;
}

.et-ghost-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.60rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ms-gray);
  font-weight: 400;
}


/* ── SECTION CONTENT COLUMN ──────────────────────────────── */

.et-section-content-col {
  padding: 4rem 2.5rem 4rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.et-content-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.et-content-heading {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 400;
  color: var(--ms-navy);
  line-height: 1.25;
  margin: 0;
}

.et-content-subline {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.90rem;
  color: var(--ms-gray);
  margin: 0;
  font-style: italic;
  line-height: 1.6;
}

/* Intro panel (Hall of Principles opening text) */
.et-intro-panel {
  background: rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  border: 1px solid var(--ms-rule);
  border-radius: 2px;
  padding: 1.5rem 1.75rem;
}

.et-intro-panel p {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: #2d3748;
  line-height: 1.78;
  margin: 0;
}

.et-chamber-footer {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ms-rule);
  flex-wrap: wrap;
}


/* ── CERTIFICATION LAYOUT ────────────────────────────────── */

.et-cert-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.et-cert-image {
  flex-shrink: 0;
}

.et-cert-image a {
  display: block;
}

.et-cert-image img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.10), 0 3px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: block;
  background: white;
}

.et-cert-image img:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.13), 0 4px 12px rgba(0, 0, 0, 0.07);
}

.et-cert-narrative {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.et-cert-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ms-teal);
  font-weight: 500;
}

.et-cert-narrative p {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: #2d3748;
  line-height: 1.78;
  margin: 0;
}


/* ── ACCORDION ───────────────────────────────────────────── */

.et-accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.et-accordion-item {
  border-bottom: 1px solid var(--ms-rule);
}

.et-accordion-item:first-child {
  border-top: 1px solid var(--ms-rule);
}

.et-accordion-summary {
  list-style: none;
  cursor: pointer;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ms-navy);
  padding: 1.1rem 0;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  outline: none;
  transition: color 0.15s;
  user-select: none;
}
.et-accordion-summary::-webkit-details-marker { display: none; }
.et-accordion-summary::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--ms-gold);
  border-bottom: 1.5px solid var(--ms-gold);
  transform: rotate(-45deg);
  flex-shrink: 0;
  margin-top: 1px;
  transition: transform 0.18s ease;
}
.et-accordion-item[open] .et-accordion-summary::before {
  transform: rotate(45deg);
}
.et-accordion-summary:hover { color: var(--ms-teal); }
.et-accordion-item:focus-within .et-accordion-summary {
  outline: 2px dashed var(--ms-gold);
  outline-offset: 2px;
}

.et-accordion-body {
  padding: 0 0 1.5rem 1.5rem;
}

.et-accordion-body p {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: #2d3748;
  line-height: 1.78;
  margin: 0 0 0.85rem;
}
.et-accordion-body p:last-child { margin-bottom: 0; }

.et-accordion-body strong {
  color: var(--ms-navy);
  font-weight: 500;
}

.et-accordion-subheading {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ms-navy);
  margin: 1.25rem 0 0.5rem;
  line-height: 1.25;
}
.et-accordion-subheading:first-child { margin-top: 0; }

.et-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.et-list li {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: #2d3748;
  line-height: 1.65;
  padding-left: 1.1rem;
  position: relative;
}

.et-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--ms-gold);
  font-weight: 700;
  font-size: 1rem;
}

.et-accordion-body .et-list { margin-top: 0.5rem; }


/* ── ACCESSIBILITY ANCHOR OFFSET ─────────────────────────── */

#accessibility {
  scroll-margin-top: calc(var(--site-header-height, 72px) + var(--quick-access-height, 48px) + 16px);
}

#principles,
#global-certification,
#certificate-phase1,
#certificate-phase2,
#certificate-phase3,
#certificate-phase4,
#certificate-phase5,
#certificate-phase6,
#certificate-phase7,
#certificate-phase8,
#certificate-phase9,
#certificate-phase10 {
  scroll-margin-top: calc(var(--site-header-height, 72px) + var(--quick-access-height, 48px) + 16px);
}


/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — 768px breakpoint
═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* Masthead */
  .et-masthead-inner {
    padding: 3rem 1.5rem 2.5rem;
    text-align: center;
    align-items: center;
  }
  .et-masthead-heading { font-size: clamp(1.9rem, 7vw, 2.4rem); }

  /* Quick-access nav */
  .et-quick-access-inner { padding: 0 1rem; }
  .et-qnav-link { padding: 0.7rem 0.85rem; font-size: 0.65rem; }

  /* Phase records header */
  .et-phase-records-header { padding: 2.5rem 1.5rem 2rem; }
  .et-section-header { flex-direction: column; gap: 0.4rem; }
  .et-section-meta { margin-left: 0; }

  /* Section inner: single column on mobile */
  .et-section-inner {
    grid-template-columns: 1fr;
  }

  .et-section-label-col {
    border-right: none;
    border-bottom: 1px solid var(--ms-rule);
    padding: 2rem 1.5rem 1.25rem;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding-top: 2rem;
  }

  .et-section-content-col {
    padding: 2rem 1.5rem;
  }

  /* Cert layout: stack vertically */
  .et-cert-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .et-cert-image {
    max-width: 220px;
  }

  /* Chamber footer */
  .et-chamber-footer { gap: 1.25rem; }

}

@media (max-width: 480px) {
  .et-cert-image { max-width: 180px; }
}