/* ============================================================
   LCS v9 — global.css
   Foundation: typography, layout, view transitions,
   brand reveal, concierge strip, base utilities.
   Depends on: tokens.css (must load first).
   ============================================================ */

/* -- Cross-Document View Transitions -------------------------- */
@view-transition {
  navigation: auto;
}
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 280ms;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

/* -- Base ----------------------------------------------------- */
html {
  scroll-behavior: smooth;
  background: var(--bg-canvas);
  color: var(--text-primary-on-light);
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-canvas);
  background-image:
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(200, 163, 87, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 35% at 10% 100%, rgba(200, 163, 87, 0.05) 0%, transparent 55%);
  background-attachment: fixed;
  color: var(--text-primary-on-light);
  min-height: 100vh;
  overflow-x: clip;
  position: relative;
}
/* Subtle paper-grain texture overlay across entire page.
   Fixed-position, 3% opacity, multiply blend mode — gives bone sections
   editorial paper-stock feel; nearly invisible over dark sections. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 320 320' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='2' seed='9'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.1 0 0 0 0 0.1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 320px 320px;
}
@media (prefers-reduced-motion: reduce) { body::after { display: none; } }
img, picture, video, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* -- Typography utility classes ------------------------------- */
.type-hero {
  font-family: var(--font-display-editorial);
  font-weight: 400;
  font-size: clamp(56px, 9.5vw, 168px);
  line-height: 0.96;
  letter-spacing: -0.012em;
}
.type-hero em,
.type-hero .editorial {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  letter-spacing: -0.01em;
}
.type-h1 {
  font-family: var(--font-display-editorial);
  font-weight: 400;
  font-size: clamp(40px, 5.8vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.008em;
}
.type-h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 3.8vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.008em;
}
.type-h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.24;
}
.type-pullquote {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.32;
  color: var(--text-secondary-on-light);
}
/* Gold-leaf engraved type — multi-stop gradient, brushed-gilt feel */
.type-gilded {
  background: linear-gradient(180deg, var(--gold-leaf-top) 0%, var(--gold-leaf-mid) 45%, var(--gold-leaf-bottom) 75%, var(--gold-leaf-mid) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 1px 0 rgba(107, 90, 48, 0.18));
}
.type-lead {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.62;
  color: var(--text-secondary-on-light);
}
.type-body { font-size: var(--fs-16); line-height: 1.62; }
.type-small { font-size: var(--fs-14); line-height: 1.55; color: var(--text-secondary-on-light); }
.type-caption {
  font-family: var(--font-body);
  font-size: var(--fs-11);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary-on-light);
}
.type-mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.02em;
}

.on-dark { color: var(--text-primary-on-dark); }
.on-dark .type-pullquote,
.on-dark .type-lead,
.on-dark .type-small { color: var(--text-secondary-on-dark); }
.on-dark .type-caption { color: var(--text-tertiary-on-dark); }

/* -- Container + section -------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px-desktop);
}
@media (max-width: 1024px) { .container { padding-inline: var(--container-px-tablet); } }
@media (max-width: 600px)  { .container { padding-inline: var(--container-px-mobile); } }

.section {
  padding-block: var(--section-py-desktop);
  position: relative;
}
@media (max-width: 1024px) { .section { padding-block: var(--section-py-tablet); } }
@media (max-width: 600px)  { .section { padding-block: var(--section-py-mobile); } }

.section--dark {
  background: var(--bg-inverse-dark);
  color: var(--text-primary-on-dark);
}
.section--canvas-deep { background: var(--bg-canvas-deep); }

/* -- Hairline divider ----------------------------------------- */
.hairline {
  border: 0;
  height: 1px;
  background: var(--border-subtle-light);
  margin: 0;
}
.section--dark .hairline { background: var(--border-subtle-dark); }

/* -- Ornamental divider (monogram) ---------------------------- */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-16);
  margin-block: var(--s-48);
}
.ornament-divider::before,
.ornament-divider::after {
  content: "";
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: var(--border-emphasized-light);
}
.ornament-divider__monogram {
  width: 28px;
  height: 28px;
  opacity: 0.72;
}

/* -- View Transition names for shared elements ---------------- */
.brand-mark { view-transition-name: lcs-logo; }

/* -- First-load brand reveal (sessionStorage-gated) ----------- */
.brand-reveal {
  position: fixed;
  inset: 0;
  background: var(--bg-canvas);
  display: grid;
  place-items: center;
  z-index: 9999;
  opacity: 1;
  pointer-events: none;
  transition: opacity 600ms var(--ease-editorial);
}
.brand-reveal[hidden] { display: none !important; }
.brand-reveal--done {
  opacity: 0;
}
.brand-reveal__monogram {
  width: 64px;
  height: 64px;
  opacity: 0;
  animation: lcs-reveal-mono 1500ms var(--ease-editorial) forwards;
}
@keyframes lcs-reveal-mono {
  0%   { opacity: 0; transform: scale(0.94); }
  35%  { opacity: 1; transform: scale(1); }
  85%  { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .brand-reveal { display: none !important; }
}

/* -- Concierge brass plate (sticky CTA, every page) ----------- */
.concierge-strip {
  position: fixed;
  right: var(--s-32);
  bottom: var(--s-32);
  z-index: 50;
  background: var(--bg-inverse-dark);
  color: var(--text-primary-on-dark);
  padding: var(--s-12) var(--s-16);
  border: 1px solid var(--gold);
  border-radius: 2px;
  box-shadow: 0 8px 28px rgba(10, 10, 10, 0.22);
  display: flex;
  align-items: center;
  gap: var(--s-12);
  font-family: var(--font-body);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  transition: transform var(--d-quick) var(--ease-editorial), opacity var(--d-quick) var(--ease-editorial);
  transform: translateY(0);
}
.concierge-strip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex: 0 0 auto;
  animation: lcs-pulse 3s ease-in-out infinite;
}
.concierge-strip__action {
  display: inline-flex;
  align-items: center;
  gap: var(--s-8);
  padding-block: var(--s-4);
  color: var(--text-primary-on-dark);
  border-bottom: 1px solid transparent;
  transition: border-color var(--d-micro) var(--ease-micro), color var(--d-micro) var(--ease-micro);
}
.concierge-strip__action:hover,
.concierge-strip__action:focus-visible {
  color: var(--gold-hover);
  border-bottom-color: var(--gold);
  outline: none;
}
.concierge-strip__action svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}
.concierge-strip__separator {
  width: 1px;
  height: 14px;
  background: var(--border-default-dark);
}
@keyframes lcs-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 163, 87, 0.6); transform: scale(1); }
  50%      { box-shadow: 0 0 0 6px rgba(200, 163, 87, 0); transform: scale(1.2); }
}
@media (max-width: 768px) {
  .concierge-strip {
    right: 0;
    left: 0;
    bottom: 0;
    border-radius: 0;
    border: 0;
    border-top: 1px solid var(--gold);
    padding: var(--s-12) var(--s-16) calc(var(--s-12) + env(safe-area-inset-bottom, 0px));
    justify-content: space-around;
    box-shadow: 0 -4px 18px rgba(10, 10, 10, 0.28);
  }
  .concierge-strip__action { font-size: var(--fs-12); }
}

/* Hide concierge strip on the brand-reveal overlay phase */
.brand-reveal:not([hidden]) ~ .concierge-strip { opacity: 0; pointer-events: none; }

/* -- Focus styles --------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* -- Selection ------------------------------------------------ */
::selection {
  background: var(--gold);
  color: var(--bg-inverse-dark);
}

/* -- Skip link ------------------------------------------------ */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--s-16);
  background: var(--gold);
  color: var(--bg-inverse-dark);
  padding: var(--s-8) var(--s-16);
  z-index: 10000;
  text-decoration: none;
  font-size: var(--fs-14);
  transition: top var(--d-quick) var(--ease-editorial);
}
.skip-link:focus { top: var(--s-16); }