@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=block');

/* keryx landing page. Dark first, as the sisters' are; the light scheme redefines
   every surface and text colour at the bottom of the file. */

:root>* {
  --md-primary-fg-color: #0b6e7a;
  --md-primary-fg-color--light: #2aa3b1;
  --md-primary-fg-color--dark: #07505a;
  --md-accent-fg-color: #e0a526;
  --kx-teal: #0b6e7a;
  --kx-teal-light: #3bc0cf;
  --kx-gold: #e0a526;
  --kx-gold-pale: #f6d98a;
  --kx-gold-deep: #6b4a00;
  --kx-night: #060a12;
  --kx-graphite: #0e1522;
  --kx-ink: #162033;
  --kx-mist: rgba(246, 217, 138, 0.1);
  --kx-text: #f4f1e8;
  --kx-text-soft: rgba(244, 241, 232, 0.78);
  --kx-text-muted: rgba(244, 241, 232, 0.62);
}

[data-md-color-scheme="slate"] {
  --md-hue: 200;
  --md-default-bg-color: var(--kx-night);
  --md-default-bg-color--light: var(--kx-graphite);
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: inherit;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

body.hero-page .md-footer {
  display: none !important;
}

html.hero-page,
body.hero-page {
  overflow-x: hidden !important;
}

body.hero-page .md-main__inner,
body.hero-page .md-content__inner {
  padding-top: 0 !important;
  margin-top: 0 !important;
}

/* The hero spans the viewport, so its stage has no edge against the page. Text and the
   herald's horn are two grid cells, so they cannot overlap at any width. On a wide
   screen both hold to a 64rem band rather than the screen's edges; rem, because the
   theme raises the root font size there and the buttons and chips grow with it. */
.md-typeset .hero {
  --hero-band: calc(50vw - 32rem);
  position: relative;
  min-height: 82vh;
  min-height: 82dvh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 35%);
  align-content: center;
  align-items: center;
  column-gap: 1.5rem;
  text-align: left;
  padding: 6rem max(8vw, var(--hero-band)) 5rem;
  width: 100vw;
  margin: -1.2rem 0 0 calc(-50vw + 50%);
  box-sizing: border-box;
  overflow: hidden;
  background:
    linear-gradient(to bottom, transparent 70%, var(--kx-night) 100%),
    radial-gradient(ellipse 60% 70% at 12% 85%, color-mix(in srgb, var(--kx-teal-light) 16%, transparent) 0%, transparent 70%),
    var(--kx-night);
}

.md-typeset .hero .hero-copy {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.md-typeset .hero .hero-art {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  width: 100%;
  max-width: 600px;
}

.md-typeset .hero .hero-art img {
  display: block;
  width: 100%;
  height: auto;
}

.md-typeset .hero .hero-art .hero-art--light {
  display: none;
}

.md-typeset .hero>* {
  position: relative;
  z-index: 1;
}

.md-typeset .hero h1 {
  font-size: clamp(3rem, 8vw, 5.2rem);
  font-weight: 800;
  margin: 0 0 0.6rem;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, #fffaf0 0%, var(--kx-gold-pale) 45%, var(--kx-gold) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.md-typeset .hero .headerlink,
.md-typeset .hero h1 .headerlink {
  display: none;
}

.md-typeset .hero .hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0 0 2rem;
  max-width: 44ch;
  color: var(--kx-text-soft);
}

.md-typeset .hero .hero-buttons {
  display: flex;
  margin-bottom: 2rem;
}

.md-typeset .hero .hero-buttons>p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 1rem;
  row-gap: 0.85rem;
  margin: 0;
}

.hero-buttons .md-button {
  min-width: 180px;
  padding: 0.8rem 1.9rem !important;
  font-size: 0.85rem !important;
  border-radius: 3rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.hero-buttons .md-button--primary {
  background: var(--kx-gold) !important;
  border: 1px solid var(--kx-gold) !important;
  color: #1a1200 !important;
  font-weight: 700 !important;
  box-shadow: 0 6px 22px color-mix(in srgb, var(--kx-gold) 40%, transparent) !important;
}

.hero-buttons .md-button--primary:hover {
  transform: translateY(-1px) scale(1.02);
  background: var(--kx-gold-pale) !important;
}

.hero-buttons .md-button:not(.md-button--primary) {
  border: 1px solid color-mix(in srgb, var(--kx-gold-pale) 40%, transparent) !important;
  color: var(--kx-gold-pale) !important;
  background: color-mix(in srgb, var(--kx-night) 55%, transparent) !important;
}

.hero-buttons .md-button:not(.md-button--primary):hover {
  border-color: var(--kx-gold) !important;
  color: #fff !important;
}

.hero-tagline {
  margin-top: 0.5rem;
}

.hero-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: clamp(0.68rem, 1vw, 0.78rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kx-gold-pale);
  margin: 0;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.35em 0.85em;
  border: 1px solid color-mix(in srgb, var(--kx-gold-pale) 30%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--kx-teal) 22%, transparent);
  white-space: nowrap;
}

/* Tablet and phone: one column, the horn whole above the title. */
@media (max-width: 960px) {
  .md-typeset .hero {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    text-align: center;
    padding: 1.5rem 1.5rem 3.5rem;
  }

  .md-typeset .hero .hero-copy {
    grid-row: 2;
  }

  .md-typeset .hero .hero-art {
    grid-column: 1;
    grid-row: 1;
    justify-self: center;
    width: min(78vw, 360px);
    margin-bottom: 0.5rem;
  }

  .md-typeset .hero .hero-buttons,
  .md-typeset .hero .hero-buttons>p,
  .hero-modes {
    justify-content: center;
  }

  .scroll-hint {
    display: none;
  }
}

@media (max-width: 768px) {
  .md-typeset .hero .hero-buttons {
    width: 100%;
  }

  .md-typeset .hero .hero-buttons>p {
    flex-direction: column;
    row-gap: 0.6rem;
    width: 100%;
  }

  .hero-buttons .md-button {
    min-width: 0;
    width: 80%;
    max-width: 280px;
    padding: 0.7rem 1.4rem !important;
    font-size: 0.8rem !important;
  }

  .hero-modes {
    font-size: 0.66rem;
    letter-spacing: 0.1em;
  }

  .section-lead,
  .pipeline-caption {
    text-align: left;
  }
}

.scroll-hint {
  text-align: center;
  padding: 1rem 0 0.5rem;
  position: relative;
  z-index: 2;
}

.scroll-chevron {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--kx-gold);
  border-bottom: 2px solid var(--kx-gold);
  transform: rotate(45deg);
  opacity: 0.6;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-hint {
    animation: hint-bounce 2s ease-in-out infinite;
  }

  @keyframes hint-bounce {

    0%,
    100% {
      transform: translateY(0);
    }

    50% {
      transform: translateY(6px);
    }
  }
}

/* Sections default to visible so a reader without JavaScript sees them; JS opts in to
   the scroll reveal by setting .js-ready on <html>. */
.landing-section {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 3.5rem 2rem;
  text-align: center;
}

@media (prefers-reduced-motion: no-preference) {
  html.js-ready .landing-section {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  html.js-ready .landing-section.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

.landing-section--intro {
  background: linear-gradient(180deg, var(--kx-night) 0%, var(--kx-graphite) 100%);
}

.landing-section--herald {
  background: var(--kx-graphite);
  border-top: 1px solid var(--kx-mist);
  border-bottom: 1px solid var(--kx-mist);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.md-typeset .landing-section .section-title {
  margin-top: 0;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--kx-text);
}

.section-lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.65;
  max-width: 70ch;
  margin: 0 auto;
  color: var(--kx-text-soft);
}

.section-lead strong {
  color: var(--kx-gold-pale);
}

.section-lead .greek {
  font-size: 1.25em;
  color: var(--kx-gold-pale);
}

.pipeline-flow {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 2.5rem 0 1.2rem;
}

.pipeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  min-width: 120px;
  padding: 1rem 1.1rem;
  background: color-mix(in srgb, var(--kx-teal) 24%, transparent);
  border: 1px solid color-mix(in srgb, var(--kx-teal-light) 28%, transparent);
  border-radius: 12px;
}

.pipeline-arrow {
  align-self: center;
  font-size: 1.4rem;
  color: var(--kx-gold);
}

.step-icon {
  font-size: 1.8rem;
  color: var(--kx-gold);
}

.step-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--kx-text);
}

.step-note {
  font-size: 0.72rem;
  color: var(--kx-text-muted);
  max-width: 14ch;
  line-height: 1.35;
}

/* Desktop: the five steps share one row at every width, shrinking rather than wrapping. */
@media (min-width: 769px) {
  .pipeline-flow {
    flex-wrap: nowrap;
  }

  .pipeline-step {
    flex: 1 1 0;
    min-width: 0;
    max-width: 11rem;
  }
}

/* Phone: the five steps read top to bottom, one row each, joined by downward arrows. */
@media (max-width: 768px) {
  .pipeline-flow {
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
  }

  .pipeline-arrow {
    transform: rotate(90deg);
    font-size: 1.2rem;
  }

  .pipeline-step {
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    grid-template-rows: auto auto;
    column-gap: 0.8rem;
    row-gap: 0.1rem;
    align-items: center;
    text-align: left;
    min-width: 0;
    padding: 0.7rem 1rem;
  }

  .step-icon {
    grid-row: 1 / span 2;
    font-size: 1.6rem;
    justify-self: center;
  }

  .step-note {
    max-width: none;
  }
}

.pipeline-caption {
  font-size: 0.9rem;
  margin-top: 0.5rem;
  color: var(--kx-gold-pale);
}

/* Five cards: three over two on a six-column track, the second row centred; two columns
   on a tablet, with the fifth card spanning the row. */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 2.5rem;
  text-align: left;
}

.feature-grid>.feature-card {
  grid-column: span 2;
}

.feature-grid>.feature-card:nth-child(4) {
  grid-column: 2 / span 2;
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid>.feature-card,
  .feature-grid>.feature-card:nth-child(4) {
    grid-column: auto;
  }

  .feature-grid>.feature-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.md-typeset .feature-card,
.md-typeset .feature-card:hover,
.md-typeset .feature-card:focus {
  text-decoration: none;
}

.feature-card {
  display: block;
  padding: 1.4rem 1.3rem;
  background: color-mix(in srgb, var(--kx-ink) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--kx-gold-pale) 14%, transparent);
  border-left: 3px solid var(--card-accent, var(--kx-gold));
  border-radius: 10px;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.feature-icon {
  font-size: 1.7rem;
  color: var(--card-accent, var(--kx-gold));
  margin-bottom: 0.4rem;
  display: block;
}

.feature-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--kx-text);
  margin-bottom: 0.4rem;
  overflow-wrap: normal;
}

.feature-card p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--kx-text-soft);
  margin: 0;
}

.landing-footer {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--kx-text-muted);
  background: var(--kx-night);
  border-top: 1px solid var(--kx-mist);
}

.landing-footer a {
  color: var(--kx-text-muted);
}

.landing-footer a:hover {
  color: var(--kx-gold);
}

.md-header {
  box-shadow: 0 1px 0 rgba(246, 217, 138, 0.08);
}

/* ==========================================================================
   Light scheme: parchment surfaces, dark text, deeper gold.
   ========================================================================== */
[data-md-color-scheme="default"] {
  --kx-night: #f7f4ec;
  --kx-graphite: #ece7d9;
  --kx-ink: #ffffff;
  --kx-mist: rgba(11, 110, 122, 0.14);
  --kx-text: #10222a;
  --kx-text-soft: rgba(16, 34, 42, 0.8);
  --kx-text-muted: rgba(16, 34, 42, 0.68);
  --kx-gold: #8a5d00;
  --kx-gold-pale: #6b4a00;
  --md-accent-fg-color: #8a5d00;
}

body.hero-page[data-md-color-scheme="default"] {
  --md-default-bg-color: var(--kx-night);
  background-color: var(--kx-night);
}

[data-md-color-scheme="default"] .md-typeset .hero .hero-art .hero-art--dark {
  display: none;
}

[data-md-color-scheme="default"] .md-typeset .hero .hero-art .hero-art--light {
  display: block;
}

[data-md-color-scheme="default"] .md-typeset .hero h1 {
  background: linear-gradient(135deg, #07505a 0%, #0b6e7a 50%, #8a5d00 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

[data-md-color-scheme="default"] .hero-buttons .md-button--primary {
  background: #8a5d00 !important;
  border-color: #8a5d00 !important;
  color: #fff !important;
  box-shadow: 0 6px 20px rgba(138, 93, 0, 0.3) !important;
}

[data-md-color-scheme="default"] .hero-buttons .md-button:not(.md-button--primary) {
  border-color: rgba(11, 110, 122, 0.45) !important;
  color: #07505a !important;
  background: rgba(255, 255, 255, 0.6) !important;
}

[data-md-color-scheme="default"] .hero-buttons .md-button:not(.md-button--primary):hover {
  color: #fff !important;
  background: #0b6e7a !important;
}

[data-md-color-scheme="default"] .hero-chip {
  border-color: rgba(11, 110, 122, 0.3);
  background: rgba(255, 255, 255, 0.7);
  color: #07505a;
}

[data-md-color-scheme="default"] .hero-modes {
  color: #07505a;
}

[data-md-color-scheme="default"] .pipeline-step {
  background: #ffffff;
  border-color: rgba(11, 110, 122, 0.25);
}

[data-md-color-scheme="default"] .pipeline-caption,
[data-md-color-scheme="default"] .section-lead strong,
[data-md-color-scheme="default"] .section-lead .greek {
  color: #07505a;
}

[data-md-color-scheme="default"] .feature-card {
  border-color: rgba(11, 110, 122, 0.18);
  box-shadow: 0 1px 3px rgba(16, 34, 42, 0.06);
}

[data-md-color-scheme="default"] .feature-card:hover {
  box-shadow: 0 10px 28px rgba(16, 34, 42, 0.12);
}

[data-md-color-scheme="default"] .landing-footer a {
  color: #07505a;
}