/*
 * RAYN Website Shell
 * Phase 2: navigation, footer and global page framework.
 *
 * This file intentionally uses phase 1 semantic tokens and new `rayn-site-*`
 * selectors so the public shell can evolve without restyling the operator app.
 */

:root {
  --rayn-header-height: 4.5rem;
}

.rayn-page {
  min-width: 20rem;
  margin: 0;
  background: var(--rayn-bg-page);
  color: var(--rayn-text-primary);
  font-family: var(--rayn-font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.rayn-page *,
.rayn-page *::before,
.rayn-page *::after {
  box-sizing: border-box;
}

.rayn-page main {
  min-height: 50svh;
}

.rayn-page a,
.rayn-page button,
.rayn-page input,
.rayn-page select,
.rayn-page textarea {
  -webkit-tap-highlight-color: transparent;
}

.rayn-page ::selection {
  background: color-mix(in srgb, var(--rayn-signal) 35%, transparent);
  color: var(--rayn-ink);
}

.rayn-page-frame {
  width: min(var(--rayn-container-wide), calc(100% - (2 * var(--rayn-container-gutter))));
  margin-inline: auto;
}

.rayn-page-frame--content {
  max-width: var(--rayn-container-default);
}

.rayn-page-section {
  padding-block: var(--rayn-section-md);
}

.rayn-page-section--compact {
  padding-block: var(--rayn-section-sm);
}

.rayn-page-section--spacious {
  padding-block: var(--rayn-section-lg);
}

/* Skip link */
.rayn-skip-link {
  position: fixed;
  top: var(--rayn-space-3);
  left: var(--rayn-space-3);
  z-index: calc(var(--rayn-z-modal) + 1);
  padding: var(--rayn-space-3) var(--rayn-space-4);
  border-radius: var(--rayn-radius-sm);
  background: var(--rayn-ink);
  color: var(--rayn-paper);
  font-size: var(--rayn-type-body-sm);
  font-weight: var(--rayn-weight-semibold);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--rayn-duration-fast) var(--rayn-ease-out);
}

.rayn-skip-link:focus {
  transform: translateY(0);
}

/* Header */
.rayn-site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--rayn-z-sticky);
  min-height: var(--rayn-header-height);
  border-bottom: 1px solid transparent;
  background: rgba(246, 245, 241, 0.9);
  background: color-mix(in srgb, var(--rayn-porcelain) 90%, transparent);
  color: var(--rayn-ink);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  transition:
    background-color var(--rayn-duration-normal) var(--rayn-ease-standard),
    border-color var(--rayn-duration-normal) var(--rayn-ease-standard),
    box-shadow var(--rayn-duration-normal) var(--rayn-ease-standard);
}

.rayn-site-header.is-scrolled,
.rayn-site-header.is-menu-open {
  border-color: var(--rayn-border-subtle);
  background: rgba(246, 245, 241, 0.97);
  background: color-mix(in srgb, var(--rayn-porcelain) 97%, transparent);
  box-shadow: 0 10px 34px rgba(11, 13, 12, 0.05);
}

.rayn-site-header__inner {
  width: min(var(--rayn-container-wide), calc(100% - (2 * var(--rayn-container-gutter))));
  min-height: var(--rayn-header-height);
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(var(--rayn-space-5), 2vw, var(--rayn-space-7));
}

.rayn-site-logo {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--rayn-ink);
  font-size: 1.125rem;
  font-weight: var(--rayn-weight-medium);
  letter-spacing: 0.18em;
  line-height: 1;
  text-decoration: none;
}

.rayn-site-logo:focus-visible,
.rayn-site-nav__link:focus-visible,
.rayn-site-nav__trigger:focus-visible,
.rayn-site-action:focus-visible,
.rayn-site-menu-toggle:focus-visible,
.rayn-site-mobile__close:focus-visible,
.rayn-site-mobile__trigger:focus-visible,
.rayn-site-mobile__link:focus-visible,
.rayn-site-footer a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--rayn-focus-ring) 38%, transparent);
  outline-offset: 3px;
}

.rayn-site-nav {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.rayn-site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(var(--rayn-space-2), 1vw, var(--rayn-space-4));
  margin: 0;
  padding: 0;
  list-style: none;
}

.rayn-site-nav__item {
  position: relative;
}

.rayn-site-nav__link,
.rayn-site-nav__trigger {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding-inline: 0.7rem;
  border: 0;
  background: transparent;
  color: var(--rayn-slate-dark);
  font-size: 0.875rem;
  font-weight: var(--rayn-weight-medium);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    color var(--rayn-duration-fast) var(--rayn-ease-standard),
    background-color var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-nav__link:hover,
.rayn-site-nav__trigger:hover,
.rayn-site-nav__link[aria-current="page"],
.rayn-site-nav__trigger[aria-expanded="true"] {
  color: var(--rayn-ink);
}

.rayn-site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0.7rem;
  bottom: 0.35rem;
  left: 0.7rem;
  height: 1px;
  background: var(--rayn-signal-dark);
}

.rayn-site-nav__chevron {
  width: 0.65rem;
  height: 0.4rem;
  transition: transform var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-nav__trigger[aria-expanded="true"] .rayn-site-nav__chevron {
  transform: rotate(180deg);
}

.rayn-site-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--rayn-space-2);
}

.rayn-site-action {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--rayn-space-4);
  border: 1px solid transparent;
  border-radius: var(--rayn-radius-sm);
  color: var(--rayn-ink);
  font-size: 0.875rem;
  font-weight: var(--rayn-weight-semibold);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--rayn-duration-fast) var(--rayn-ease-standard),
    border-color var(--rayn-duration-fast) var(--rayn-ease-standard),
    color var(--rayn-duration-fast) var(--rayn-ease-standard),
    transform var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-action:hover {
  transform: translateY(-1px);
}

.rayn-site-action--quiet:hover {
  background: color-mix(in srgb, var(--rayn-ink) 5%, transparent);
}

.rayn-site-action--primary {
  background: var(--rayn-ink);
  color: var(--rayn-porcelain);
}

.rayn-site-action--primary:hover {
  background: var(--rayn-graphite);
}

/* Desktop flyouts */
.rayn-site-flyout {
  position: fixed;
  top: calc(var(--rayn-header-height) + var(--rayn-space-3));
  left: 50%;
  z-index: calc(var(--rayn-z-sticky) + 1);
  width: min(58rem, calc(100vw - (2 * var(--rayn-container-gutter))));
  padding: var(--rayn-space-6);
  border: 1px solid var(--rayn-border-subtle);
  border-radius: var(--rayn-radius-md);
  background: var(--rayn-paper);
  color: var(--rayn-ink);
  box-shadow: var(--rayn-shadow-md);
  transform: translateX(-50%);
}

.rayn-site-flyout[hidden] {
  display: none;
}

.rayn-site-flyout--compact {
  width: min(40rem, calc(100vw - (2 * var(--rayn-container-gutter))));
}

.rayn-site-flyout__intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--rayn-space-6);
  padding-bottom: var(--rayn-space-5);
  border-bottom: 1px solid var(--rayn-border-subtle);
}

.rayn-site-flyout__intro p {
  max-width: 38rem;
  margin: 0;
  color: var(--rayn-text-secondary);
  font-size: var(--rayn-type-body-sm);
  line-height: 1.5;
}

.rayn-site-flyout__overview {
  flex: 0 0 auto;
  color: var(--rayn-ink);
  font-size: var(--rayn-type-body-sm);
  font-weight: var(--rayn-weight-semibold);
  text-decoration: none;
}

.rayn-site-flyout__overview::after {
  content: " →";
}

.rayn-site-flyout__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--rayn-space-6);
  padding-top: var(--rayn-space-5);
}

.rayn-site-flyout__grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rayn-site-flyout__group {
  min-width: 0;
}

.rayn-site-flyout__eyebrow {
  margin: 0 0 var(--rayn-space-3);
  color: var(--rayn-text-muted);
  font-size: var(--rayn-type-eyebrow);
  font-weight: var(--rayn-weight-semibold);
  letter-spacing: var(--rayn-tracking-label);
  text-transform: uppercase;
}

.rayn-site-flyout__links {
  display: grid;
  gap: var(--rayn-space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.rayn-site-flyout__link {
  display: grid;
  gap: 0.18rem;
  padding: 0.7rem 0.75rem;
  border-radius: var(--rayn-radius-sm);
  color: var(--rayn-ink);
  text-decoration: none;
  transition: background-color var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-flyout__link:hover,
.rayn-site-flyout__link:focus-visible {
  background: var(--rayn-bg-subtle);
}

.rayn-site-flyout__link strong {
  font-size: 0.9rem;
  font-weight: var(--rayn-weight-semibold);
  line-height: 1.3;
}

.rayn-site-flyout__link span {
  color: var(--rayn-text-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.rayn-site-flyout__link--signal strong {
  color: var(--rayn-signal-deep);
}

/* Mobile menu */
.rayn-site-menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--rayn-ink);
  cursor: pointer;
}

.rayn-site-menu-toggle__lines,
.rayn-site-menu-toggle__lines::before,
.rayn-site-menu-toggle__lines::after {
  display: block;
  width: 1.25rem;
  height: 1px;
  margin-inline: auto;
  background: currentColor;
  content: "";
  transition:
    transform var(--rayn-duration-fast) var(--rayn-ease-standard),
    opacity var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-menu-toggle__lines {
  position: relative;
}

.rayn-site-menu-toggle__lines::before {
  position: absolute;
  top: -0.38rem;
  left: 0;
}

.rayn-site-menu-toggle__lines::after {
  position: absolute;
  top: 0.38rem;
  left: 0;
}

.rayn-site-menu-toggle[aria-expanded="true"] .rayn-site-menu-toggle__lines {
  background: transparent;
}

.rayn-site-menu-toggle[aria-expanded="true"] .rayn-site-menu-toggle__lines::before {
  transform: translateY(0.38rem) rotate(45deg);
}

.rayn-site-menu-toggle[aria-expanded="true"] .rayn-site-menu-toggle__lines::after {
  transform: translateY(-0.38rem) rotate(-45deg);
}

.rayn-site-mobile {
  position: fixed;
  inset: var(--rayn-header-height) 0 0;
  z-index: calc(var(--rayn-z-sticky) - 1);
  overflow-y: auto;
  border-top: 1px solid var(--rayn-border-subtle);
  background: var(--rayn-porcelain);
  color: var(--rayn-ink);
  overscroll-behavior: contain;
}

.rayn-site-mobile[hidden] {
  display: none;
}

.rayn-site-mobile__inner {
  width: min(100%, 42rem);
  min-height: calc(100svh - var(--rayn-header-height));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  padding: var(--rayn-space-5) var(--rayn-container-gutter) var(--rayn-space-7);
}

.rayn-site-mobile__section {
  border-bottom: 1px solid var(--rayn-border-subtle);
}

.rayn-site-mobile__trigger,
.rayn-site-mobile__link {
  width: 100%;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rayn-space-4);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--rayn-ink);
  font-size: 1.125rem;
  font-weight: var(--rayn-weight-medium);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.rayn-site-mobile__trigger::after {
  content: "+";
  color: var(--rayn-text-muted);
  font-size: 1.25rem;
  font-weight: var(--rayn-weight-regular);
}

.rayn-site-mobile__trigger[aria-expanded="true"]::after {
  content: "−";
}

.rayn-site-mobile__panel {
  display: grid;
  gap: var(--rayn-space-1);
  padding: 0 0 var(--rayn-space-4);
}

.rayn-site-mobile__panel[hidden] {
  display: none;
}

.rayn-site-mobile__subheading {
  margin: var(--rayn-space-4) 0 var(--rayn-space-2);
  color: var(--rayn-text-muted);
  font-size: var(--rayn-type-eyebrow);
  font-weight: var(--rayn-weight-semibold);
  letter-spacing: var(--rayn-tracking-label);
  text-transform: uppercase;
}

.rayn-site-mobile__sublink {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  padding: 0.3rem 0;
  color: var(--rayn-text-secondary);
  font-size: var(--rayn-type-body-sm);
  font-weight: var(--rayn-weight-medium);
  text-decoration: none;
}

.rayn-site-mobile__actions {
  margin-top: auto;
  display: grid;
  gap: var(--rayn-space-3);
  padding-top: var(--rayn-space-7);
}

.rayn-site-mobile__actions .rayn-site-action {
  min-height: 3.25rem;
  width: 100%;
}

body.rayn-nav-open {
  overflow: hidden;
}

/* Footer */
.rayn-site-footer {
  position: relative;
  overflow: hidden;
  background: var(--rayn-ink);
  color: var(--rayn-porcelain);
}

.rayn-site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 8%, color-mix(in srgb, var(--rayn-signal) 10%, transparent), transparent 30rem),
    radial-gradient(circle at 12% 72%, color-mix(in srgb, var(--rayn-amber) 8%, transparent), transparent 28rem);
}

.rayn-site-footer__inner {
  position: relative;
  width: min(var(--rayn-container-wide), calc(100% - (2 * var(--rayn-container-gutter))));
  margin-inline: auto;
}

.rayn-site-footer__cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--rayn-space-7);
  padding-block: var(--rayn-section-lg) var(--rayn-section-md);
  border-bottom: 1px solid color-mix(in srgb, var(--rayn-porcelain) 14%, transparent);
}

.rayn-site-footer__eyebrow {
  margin: 0 0 var(--rayn-space-4);
  color: var(--rayn-signal);
  font-size: var(--rayn-type-eyebrow);
  font-weight: var(--rayn-weight-semibold);
  letter-spacing: var(--rayn-tracking-label);
  text-transform: uppercase;
}

.rayn-site-footer__headline {
  max-width: 17ch;
  margin: 0;
  color: var(--rayn-porcelain);
  font-size: clamp(2.6rem, 5.5vw, 5.25rem);
  font-weight: var(--rayn-weight-medium);
  letter-spacing: var(--rayn-tracking-tight);
  line-height: 0.98;
  text-wrap: balance;
}

.rayn-site-footer__cta-copy {
  max-width: 34rem;
  margin: var(--rayn-space-5) 0 0;
  color: color-mix(in srgb, var(--rayn-porcelain) 68%, transparent);
  font-size: var(--rayn-type-body);
  line-height: var(--rayn-leading-body);
}

.rayn-site-footer__button {
  min-height: 3.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--rayn-space-6);
  border: 1px solid var(--rayn-porcelain);
  border-radius: var(--rayn-radius-sm);
  background: var(--rayn-porcelain);
  color: var(--rayn-ink);
  font-size: 0.9375rem;
  font-weight: var(--rayn-weight-semibold);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--rayn-duration-fast) var(--rayn-ease-standard),
    transform var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-footer__button:hover {
  background: var(--rayn-paper);
  transform: translateY(-1px);
}

.rayn-site-footer__body {
  display: grid;
  grid-template-columns: minmax(12rem, 1.25fr) minmax(0, 3fr);
  gap: clamp(var(--rayn-space-7), 7vw, var(--rayn-space-10));
  padding-block: var(--rayn-section-md);
}

.rayn-site-footer__brand {
  align-self: start;
}

.rayn-site-footer__logo {
  display: inline-flex;
  color: var(--rayn-porcelain);
  font-size: 1.25rem;
  font-weight: var(--rayn-weight-medium);
  letter-spacing: 0.18em;
  text-decoration: none;
}

.rayn-site-footer__tagline {
  max-width: 24rem;
  margin: var(--rayn-space-5) 0 0;
  color: color-mix(in srgb, var(--rayn-porcelain) 64%, transparent);
  font-size: var(--rayn-type-body-sm);
  line-height: 1.6;
}

.rayn-site-footer__email {
  display: inline-flex;
  margin-top: var(--rayn-space-5);
  color: var(--rayn-porcelain);
  font-size: var(--rayn-type-body-sm);
  text-underline-offset: 0.25em;
}

.rayn-site-footer__nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(var(--rayn-space-5), 3vw, var(--rayn-space-7));
}

.rayn-site-footer__heading {
  margin: 0 0 var(--rayn-space-4);
  color: color-mix(in srgb, var(--rayn-porcelain) 48%, transparent);
  font-size: var(--rayn-type-eyebrow);
  font-weight: var(--rayn-weight-semibold);
  letter-spacing: var(--rayn-tracking-label);
  text-transform: uppercase;
}

.rayn-site-footer__links {
  display: grid;
  gap: var(--rayn-space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.rayn-site-footer__links a {
  color: color-mix(in srgb, var(--rayn-porcelain) 74%, transparent);
  font-size: 0.875rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color var(--rayn-duration-fast) var(--rayn-ease-standard);
}

.rayn-site-footer__links a:hover {
  color: var(--rayn-porcelain);
}

.rayn-site-footer__legal {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rayn-space-5);
  border-top: 1px solid color-mix(in srgb, var(--rayn-porcelain) 14%, transparent);
  color: color-mix(in srgb, var(--rayn-porcelain) 48%, transparent);
  font-size: var(--rayn-type-caption);
}

.rayn-site-footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rayn-space-5);
}

.rayn-site-footer__legal a {
  color: inherit;
  text-decoration: none;
}

.rayn-site-footer__legal a:hover {
  color: var(--rayn-porcelain);
}

@media (max-width: 1180px) {
  .rayn-site-nav,
  .rayn-site-actions {
    display: none;
  }

  .rayn-site-header__inner {
    grid-template-columns: auto 1fr auto;
  }

  .rayn-site-menu-toggle {
    display: inline-grid;
    place-items: center;
    justify-self: end;
  }
}

@media (max-width: 1020px) {
  .rayn-site-footer__body {
    grid-template-columns: 1fr;
  }

  .rayn-site-footer__brand {
    max-width: 34rem;
  }

  .rayn-site-footer__nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --rayn-header-height: 4.25rem;
  }

  .rayn-site-header__inner,
  .rayn-site-footer__inner {
    width: calc(100% - (2 * var(--rayn-container-gutter)));
  }

  .rayn-site-footer__cta {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .rayn-site-footer__button {
    width: fit-content;
  }

  .rayn-site-footer__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rayn-site-footer__legal {
    padding-block: var(--rayn-space-5);
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .rayn-site-footer__nav {
    grid-template-columns: 1fr;
  }

  .rayn-site-footer__headline {
    font-size: clamp(2.4rem, 13vw, 3.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .rayn-site-header,
  .rayn-site-nav__chevron,
  .rayn-site-action,
  .rayn-site-flyout__link,
  .rayn-site-footer__button,
  .rayn-site-menu-toggle__lines,
  .rayn-site-menu-toggle__lines::before,
  .rayn-site-menu-toggle__lines::after {
    transition-duration: 0.01ms;
  }
}