/* ===========================================================
   SITE THEME — shared by every page (sky, header, footer, tokens)
   Load after style.css and any page <style> blocks.
=========================================================== */

:root {
  --header-h: 72px;

  --bg-page: #081414;
  --text: #EEF5F4;
  --text-2: rgba(232, 242, 241, 0.74);
  --text-muted: rgba(232, 242, 241, 0.5);
  --hairline: rgba(232, 242, 241, 0.08);
  --hairline-strong: rgba(232, 242, 241, 0.16);

  --teal: #1F6B6B;
  --teal-hover: #257C7B;
  --accent: #5FB0AC;
  --accent-bright: #8FD0CB;
  --accent-surface: rgba(31, 107, 107, 0.24);
  --accent-line: rgba(143, 208, 203, 0.4);

  --nav-bg: rgba(5, 11, 11, 0.62);
  --menu-bg: #091212;
  --surface: rgba(10, 21, 21, 0.84);
  --band: rgba(232, 242, 241, 0.025);
  --footer-bg: #040909;

  --ghost-bg: rgba(5, 11, 11, 0.72);
  --ghost-bg-hover: rgba(14, 26, 26, 0.92);

  --sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  /* Legacy style.css palette, re-pointed at the theme tokens */
  --friends-bg: transparent;
  --friends-ink: var(--text-2);
  --friends-headline: var(--text);
  --friends-muted: var(--text-2);
  --friends-kicker: var(--accent-bright);
  --friends-teal: var(--teal);
  --friends-teal-hover: var(--teal-hover);
  --friends-teal-soft: var(--accent);
  --friends-cream: var(--surface);
  --friends-hairline: var(--hairline);
  --friends-card-border: var(--hairline-strong);
  --friends-band: var(--band);
  --friends-footer: var(--footer-bg);
  --friends-footer-muted: var(--text-muted);
  --font-sans: var(--sans);
  --font-serif: var(--serif);
  --delve-primary: var(--teal);
  --delve-primary-dark: var(--teal-hover);
  --delve-secondary: var(--accent);
  --delve-secondary-light: var(--accent-surface);
  --delve-gray-dark: var(--text);
  --delve-gray-medium: var(--text-2);
  --delve-bg-light: transparent;
  --white: var(--surface);
  --delve-dark-text: var(--text);
  --delve-gray-text: var(--text-2);
  --delve-muted-text: var(--text-muted);
  --shadow-soft: 0 18px 50px -24px rgba(0, 0, 0, 0.7);
  --shadow-medium: 0 28px 70px -28px rgba(0, 0, 0, 0.8);
  --dh-navy: var(--footer-bg);
  --dh-navy-2: var(--footer-bg);
  --dh-teal: var(--teal);
  --dh-line: var(--hairline-strong);
  --dh-soft: var(--text-2);

  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

html.lp-light {
  --bg-page: #F2F6F5;
  --text: #0A1A1A;
  --text-2: rgba(10, 26, 26, 0.7);
  --text-muted: rgba(10, 26, 26, 0.5);
  --hairline: rgba(10, 26, 26, 0.08);
  --hairline-strong: rgba(10, 26, 26, 0.14);

  --accent: #1F6B6B;
  --accent-bright: #1F6B6B;
  --accent-surface: #E2EEED;
  --accent-line: rgba(31, 107, 107, 0.45);

  --nav-bg: rgba(242, 246, 245, 0.72);
  --menu-bg: #FFFFFF;
  --surface: rgba(255, 255, 255, 0.92);
  --band: rgba(255, 255, 255, 0.4);
  --footer-bg: #E8EFEE;

  --ghost-bg: rgba(255, 255, 255, 0.84);
  --ghost-bg-hover: #FFFFFF;

  --shadow-soft: 0 14px 40px -20px rgba(10, 26, 26, 0.22);
  --shadow-medium: 0 24px 60px -26px rgba(10, 26, 26, 0.3);

  color-scheme: light;
}

html {
  background: var(--bg-page);
}

body {
  min-height: 100vh;
  background: transparent;
  color: var(--text-2);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--accent-surface);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

.lp-ico {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Sky ---------- */

.lp-sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: #060C0C;
  pointer-events: none;
}

.lp-sky-art {
  position: absolute;
  inset: 0;
  background: url("images/home-sky-trials.jpg?v=2") center bottom / cover no-repeat;
  filter: saturate(0.7) contrast(0.78) blur(2px);
  transform: scale(1.03);
  transform-origin: 50% 100%;
}

html.lp-light .lp-sky-art {
  filter: saturate(0.6) contrast(0.72) blur(2px);
}

html.lp-light .lp-sky {
  background-color: #E9F1F0;
}

html.lp-light .lp-sky-art {
  background-image: url("images/home-sky-trials-light.jpg?v=2");
}

.lp-sky-pulses {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}

/* Content pages sit on a deeper veil than the homepage so long-form text stays readable. */
.lp-sky::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(6, 14, 14, 0.5) 0%, rgba(6, 14, 14, 0.62) 45%, rgba(6, 14, 14, 0.8) 100%);
}

html.lp-light .lp-sky::after {
  background: linear-gradient(to bottom, rgba(242, 246, 245, 0.55) 0%, rgba(242, 246, 245, 0.7) 45%, rgba(242, 246, 245, 0.86) 100%);
}

/* ---------- Buttons ---------- */

.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 160ms var(--ease-out);
}

.lp-btn:active {
  transform: scale(0.97);
}

.lp-btn--primary {
  background: var(--teal);
  border-color: rgba(143, 208, 203, 0.4);
  color: #FFFFFF;
}

.lp-btn--ghost {
  background: var(--ghost-bg);
  border-color: var(--hairline-strong);
  color: var(--text);
}

html.lp-light .lp-btn--primary {
  border-color: transparent;
}

@media (hover: hover) and (pointer: fine) {
  .lp-btn--primary:hover {
    background: var(--teal-hover);
    color: #FFFFFF;
  }

  .lp-btn--ghost:hover {
    background: var(--ghost-bg-hover);
    border-color: var(--accent-line);
    color: var(--text);
  }
}

.lp-icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.lp-icon-btn .lp-ico {
  width: 18px;
  height: 18px;
}

@media (hover: hover) and (pointer: fine) {
  .lp-icon-btn:hover {
    background: var(--accent-surface);
    color: var(--accent-bright);
  }
}

.lp-theme-moon,
html.lp-light .lp-theme-sun {
  display: none;
}

html.lp-light .lp-theme-moon {
  display: block;
}

/* ---------- Header ---------- */

.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  font-family: var(--sans);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(1240px, 100%);
  min-height: var(--header-h);
  margin: 0 auto;
  padding: 0 28px;
}

.logo {
  display: inline-flex;
  flex: 0 0 auto;
  margin-left: -8px;
}

.logo-img {
  display: block;
  width: auto;
  height: 56px;
  border-radius: 0;
}

.main-nav {
  order: 1;
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.caret {
  font-size: 0.7em;
  opacity: 0.6;
  transition: rotate 200ms var(--ease-out);
}

.dropdown.open > .nav-link {
  background: var(--accent-surface);
  color: var(--accent-bright);
}

.dropdown.open .caret {
  rotate: 180deg;
}

@media (hover: hover) and (pointer: fine) {
  .nav-link:hover {
    background: var(--accent-surface);
    color: var(--accent-bright);
  }
}

.nav-cta {
  margin-left: 10px;
}

.header-cta {
  height: 40px;
  padding: 0 18px;
}

.header-actions {
  order: 2;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-toggle {
  order: 3;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 0;
  border-radius: 2px;
  background: var(--text);
  transition: transform 200ms var(--ease-out), opacity 150ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* Mega menus. The visibility delay lets the pointer cross the gap below the header. */

.mega {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  z-index: 110;
  width: min(760px, calc(100vw - 32px));
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);
  transition: opacity 160ms ease, transform 220ms var(--ease-out), visibility 0s linear 260ms;
}

.dropdown.open > .mega,
.dropdown:focus-within > .mega {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition-delay: 0s;
}

@media (hover: hover) and (pointer: fine) and (min-width: 1081px) {
  .dropdown:hover > .mega {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    transition-delay: 0s;
  }
}

.mega-inner {
  padding: 10px;
  border: 1px solid var(--hairline-strong);
  border-radius: 18px;
  background: var(--menu-bg);
  box-shadow: 0 30px 80px -24px rgba(0, 0, 0, 0.6);
}

html.lp-light .mega-inner {
  box-shadow: 0 30px 80px -24px rgba(10, 26, 26, 0.28);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.mega-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  transition: background-color 150ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .mega-item:hover {
    background: var(--accent-surface);
  }
}

.mega-ico {
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--accent-surface);
  color: var(--accent-bright);
}

.mega-ico svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mega-txt {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mega-title {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}

.mega-desc {
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

/* ---------- Footer ---------- */

.dh-footer {
  position: relative;
  border-top: 1px solid var(--hairline);
  background: var(--footer-bg);
  color: var(--text-2);
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.dh-footer__compliance {
  border-bottom: 1px solid var(--hairline);
}

.dh-footer__compliance-inner,
.dh-footer__grid,
.dh-footer__legal-inner {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
}

.dh-footer__compliance-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 24px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.dh-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
}

.dh-badge svg {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  color: var(--accent-bright);
}

.dh-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 40px;
  padding-top: 52px;
  padding-bottom: 52px;
}

.dh-footer__logo img {
  display: block;
  height: 64px;
  margin-left: -10px;
  border-radius: 0;
}

.dh-footer__social {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.dh-social {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  color: var(--text-2);
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 150ms ease, color 150ms ease;
}

.dh-footer__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.dh-footer__h {
  margin: 0;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.dh-footer__h--spaced {
  margin-top: 30px;
}

.dh-footer__links {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.dh-footer__links li + li {
  margin-top: 10px;
}

.dh-footer__links a,
.dh-footer__legal-link {
  color: var(--text-2);
  text-decoration: none;
  transition: color 150ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .dh-social:hover {
    border-color: var(--accent-line);
    color: var(--accent-bright);
  }

  .dh-footer__links a:hover,
  .dh-footer__legal-link:hover {
    color: var(--accent-bright);
  }
}

.dh-footer__legal {
  border-top: 1px solid var(--hairline);
}

.dh-footer__legal-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-top: 22px;
  padding-bottom: 30px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.dh-footer__sep {
  opacity: 0.4;
}

/* Older pages (careers, archives) still ship the original <footer> markup. */
body > footer:not(.dh-footer) {
  position: relative;
  padding: 52px max(28px, calc((100% - 1184px) / 2)) 30px;
  border-top: 1px solid var(--hairline);
  background: var(--footer-bg);
  color: var(--text-2);
  font-family: var(--sans);
  font-size: 0.9375rem;
}

body > footer:not(.dh-footer) .footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
}

body > footer:not(.dh-footer) .footer-col h4 {
  margin: 0 0 14px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

body > footer:not(.dh-footer) .footer-col p {
  max-width: 34ch;
  color: var(--text-2);
  line-height: 1.6;
}

body > footer:not(.dh-footer) .footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

body > footer:not(.dh-footer) .footer-col li + li {
  margin-top: 10px;
}

body > footer:not(.dh-footer) .footer-col a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 150ms ease;
}

@media (hover: hover) and (pointer: fine) {
  body > footer:not(.dh-footer) .footer-col a:hover {
    color: var(--accent-bright);
  }
}

body > footer:not(.dh-footer) .copyright {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ===========================================================
   CONTENT PAGES — bridge the legacy style.css components
=========================================================== */

h1,
h2,
.h1-brand,
.h2-brand {
  color: var(--text);
  font-family: var(--serif);
  font-weight: 500;
}

h3,
h4 {
  color: var(--text);
}

.accent,
.h1-accent,
.h2-accent {
  color: var(--accent-bright);
}

:where(a:not([class])) {
  color: var(--accent-bright);
}

.btn-primary,
.btn-secondary {
  border-radius: 8px;
  font-family: var(--sans);
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 160ms var(--ease-out);
}

.btn-primary {
  border: 1px solid rgba(143, 208, 203, 0.4);
  background: var(--teal);
  color: #FFFFFF;
}

.btn-secondary {
  border: 1px solid var(--hairline-strong);
  background: var(--ghost-bg);
  color: var(--text);
}

html.lp-light .btn-primary {
  border-color: transparent;
}

.btn-primary:active,
.btn-secondary:active {
  transform: scale(0.97);
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    background: var(--teal-hover);
    color: #FFFFFF;
  }

  .btn-secondary:hover {
    border-color: var(--accent-line);
    background: var(--ghost-bg-hover);
    color: var(--text);
  }
}

/* ---------- Responsive ---------- */

@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }
}

@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-flex;
  }

  .header-actions {
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100svh - var(--header-h));
    padding: 8px 20px 20px;
    overflow-y: auto;
    border-bottom: 1px solid var(--hairline);
    background: var(--menu-bg);
  }

  .main-nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link {
    justify-content: space-between;
    width: 100%;
    padding: 14px 10px;
    font-size: 1rem;
  }

  .mega {
    position: static;
    display: none;
    width: auto;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }

  .dropdown.open > .mega {
    display: block;
    transform: none;
  }

  .dropdown:focus-within > .mega {
    transform: none;
  }

  .mega-inner {
    padding: 0 0 8px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  html.lp-light .mega-inner {
    box-shadow: none;
  }

  .mega-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .nav-cta {
    margin: 12px 0 0;
  }

  .header-cta {
    width: 100%;
    height: 46px;
  }
}

@media (max-width: 900px) {
  .dh-footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 0 18px;
  }

  .logo-img {
    height: 48px;
  }

  .dh-footer__cols {
    grid-template-columns: minmax(0, 1fr);
  }
}