/* ==========================================================================
   Landing page: hero, sections, pipeline strip, cards, footer.
   Every colour comes from the scheme tokens in extra.css.
   ========================================================================== */

:root>* {
  --hero-bg-image: url('../assets/phalanx-hero-light.jpg');
}

[data-md-color-scheme="slate"] {
  --hero-bg-image: url('../assets/phalanx-hero.jpg');
}

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 content column is capped, so a full-bleed block breaks out of it. */
.md-typeset .hero,
.landing-section,
.landing-footer {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.md-typeset .hero {
  /* The scrim is built from the copy column's edge, so text never lands on bare art. */
  --hero-copy-width: min(34rem, 44vw);
  --hero-copy-edge: calc(7vw + var(--hero-copy-width));
  position: relative;
  min-height: calc(100vh - 3rem);
  min-height: calc(100dvh - 3rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  padding: 4rem 7vw 5rem;
  margin-top: 0;
  margin-bottom: 0;
  overflow: hidden;
  background:
    linear-gradient(to right,
      var(--phx-bg) 0%,
      var(--phx-bg) calc(var(--hero-copy-edge) - 6rem),
      color-mix(in srgb, var(--phx-bg) 90%, transparent) calc(var(--hero-copy-edge) - 2rem),
      color-mix(in srgb, var(--phx-bg) 68%, transparent) calc(var(--hero-copy-edge) + 3rem),
      color-mix(in srgb, var(--phx-bg) 36%, transparent) calc(var(--hero-copy-edge) + 9rem),
      color-mix(in srgb, var(--phx-bg) 12%, transparent) calc(var(--hero-copy-edge) + 15rem),
      transparent calc(var(--hero-copy-edge) + 21rem)),
    linear-gradient(to bottom,
      transparent 70%,
      var(--phx-bg) 100%),
    var(--hero-bg-image) right center / cover no-repeat,
    var(--phx-bg);
}

.md-typeset .hero>* {
  position: relative;
  z-index: 1;
  max-width: var(--hero-copy-width);
}

.md-typeset .hero h1 {
  display: flex;
  align-items: center;
  gap: 0.2em;
  font-size: clamp(2.6rem, 5.4vw, 4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 0.9rem;
  color: var(--phx-teal-strong);
}

/* The text fill is a gradient; the mark beside it keeps a solid colour. */
.md-typeset .hero h1 .hero-wordmark {
  background: var(--phx-title);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  padding-bottom: 0.06em;
}

.md-typeset .hero h1 .hero-mark {
  font-size: 0.95em;
  color: var(--phx-teal);
}

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

.md-typeset .hero .hero-subtitle {
  font-size: clamp(1.02rem, 1.6vw, 1.25rem);
  font-weight: 500;
  line-height: 1.5;
  color: var(--phx-text-soft);
  margin: 0 0 2rem;
}

.md-typeset .hero .hero-buttons>p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1rem;
  margin: 0 0 2rem;
}

.hero-buttons .md-button {
  min-width: 11rem;
  padding: 0.72rem 1.7rem !important;
  border-radius: 3rem !important;
  font-size: 0.84rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

/* The primary call to action is heavier than the secondary. */
.hero-buttons .md-button--primary {
  background: var(--phx-teal) !important;
  border: 1px solid var(--phx-teal) !important;
  color: var(--phx-on-teal) !important;
  font-weight: 700 !important;
  box-shadow: 0 6px 20px color-mix(in srgb, var(--phx-teal) 32%, transparent);
}

.hero-buttons .md-button--primary:hover,
.hero-buttons .md-button--primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--phx-teal) 45%, transparent);
}

.hero-buttons .md-button:not(.md-button--primary) {
  background: color-mix(in srgb, var(--phx-bg) 70%, transparent) !important;
  border: 1px solid color-mix(in srgb, var(--phx-teal) 40%, transparent) !important;
  color: var(--phx-teal-strong) !important;
  backdrop-filter: blur(6px);
}

.hero-buttons .md-button:not(.md-button--primary):hover,
.hero-buttons .md-button:not(.md-button--primary):focus-visible {
  border-color: var(--phx-teal) !important;
  background: color-mix(in srgb, var(--phx-teal) 12%, var(--phx-bg)) !important;
}

.hero-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.hero-modes .hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--phx-line);
  border-radius: 2rem;
  background: color-mix(in srgb, var(--phx-card) 70%, transparent);
  color: var(--phx-text-soft);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-modes .hero-chip .material-symbols-outlined {
  font-size: 1rem;
  color: var(--phx-teal);
}

.scroll-hint {
  text-align: center;
  margin-top: -3.2rem;
  padding-bottom: 1.2rem;
  position: relative;
  z-index: 2;
}

.scroll-chevron {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--phx-teal);
  border-bottom: 2px solid var(--phx-teal);
  transform: rotate(45deg);
  opacity: 0.55;
}

@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);
    }
  }
}

/* Below this the art has no room beside the copy: it sits above, fading into the page. */
@media (max-width: 960px) {
  .md-typeset .hero {
    min-height: auto;
    align-items: center;
    text-align: center;
    justify-content: flex-end;
    padding: min(56vw, 24rem) 1.4rem 3.5rem;
    background:
      linear-gradient(to bottom,
        transparent 0%,
        transparent calc(min(56vw, 24rem) * 0.55),
        var(--phx-bg) min(56vw, 24rem)),
      var(--hero-bg-image) 70% top / auto min(60vw, 26rem) no-repeat,
      var(--phx-bg);
  }

  .md-typeset .hero>* {
    max-width: 36rem;
  }

  .md-typeset .hero h1 {
    justify-content: center;
    font-size: clamp(2.2rem, 10vw, 3rem);
  }

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

  .scroll-hint {
    display: none;
  }
}

@media (max-width: 480px) {
  .md-typeset .hero .hero-buttons>p {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .md-button {
    min-width: 0;
  }
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.landing-section {
  padding: 4.5rem 1.5rem;
  text-align: center;
  background: var(--phx-bg);
}

.landing-section--alt {
  background: var(--phx-bg-2);
  border-top: 1px solid var(--phx-line);
  border-bottom: 1px solid var(--phx-line);
}

@media (prefers-reduced-motion: no-preference) {
  html.js-ready .landing-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  html.js-ready .landing-section.visible {
    opacity: 1;
    transform: none;
  }
}

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

.section-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--phx-teal);
  margin-bottom: 0.6rem;
}

.md-typeset .landing-section .section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--phx-text);
}

.md-typeset .section-lead {
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.7;
  max-width: 64ch;
  margin: 0 auto;
  color: var(--phx-text-soft);
}

.md-typeset .section-lead strong {
  color: var(--phx-text);
}

/* Centring is for one-liners; a phone-width lead runs to many lines. */
@media (max-width: 600px) {
  .md-typeset .section-lead {
    text-align: left;
  }
}

/* --------------------------------------------------------------------------
   Pipeline strip: one federated round, left to right
   -------------------------------------------------------------------------- */

.md-typeset ol.pipeline-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 2.6rem 0 1.4rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.md-typeset ol.pipeline-flow>li.pipeline-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 1.15rem 0.7rem 1rem;
  background: var(--phx-card);
  border: 1px solid var(--phx-line);
  border-top: 3px solid var(--step-accent, var(--phx-teal));
  border-radius: 12px;
  box-shadow: 0 1px 3px var(--phx-shadow);
  counter-increment: step;
}

.md-typeset .pipeline-step::before {
  content: counter(step, decimal-leading-zero);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--phx-text-muted);
}

/* Connector between steps, drawn in the gap. */
.md-typeset .pipeline-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -0.9rem;
  width: 0.9rem;
  height: 2px;
  background: linear-gradient(to right, var(--phx-teal), var(--phx-violet));
  opacity: 0.55;
}

.step-icon {
  font-size: 1.7rem;
  color: var(--step-accent, var(--phx-teal));
}

.step-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--phx-text);
}

.step-detail {
  font-size: 0.74rem;
  line-height: 1.4;
  color: var(--phx-text-muted);
}

.md-typeset .pipeline-caption {
  font-size: 0.9rem;
  color: var(--phx-text-muted);
  max-width: 62ch;
  margin: 0 auto;
}

@media (max-width: 960px) {
  .md-typeset ol.pipeline-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .md-typeset .pipeline-step:nth-child(3n)::after {
    display: none;
  }
}

@media (max-width: 520px) {
  .md-typeset ol.pipeline-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .md-typeset .pipeline-step::after {
    display: none;
  }

  .md-typeset .pipeline-step:nth-child(3n)::after {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Showcase facts
   -------------------------------------------------------------------------- */

.md-typeset .spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 2.4rem 0 0;
  text-align: left;
}

.spec {
  padding: 1.1rem 1.2rem;
  background: var(--phx-card);
  border: 1px solid var(--phx-line);
  border-radius: 12px;
}

.spec-key {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--phx-teal);
  margin-bottom: 0.4rem;
}

.spec-value {
  display: block;
  font-size: 0.98rem;
  font-weight: 650;
  color: var(--phx-text);
  line-height: 1.35;
}

.spec-note {
  display: block;
  overflow-wrap: anywhere;
  font-size: 0.8rem;
  color: var(--phx-text-muted);
  margin-top: 0.3rem;
  line-height: 1.45;
}

.md-typeset .stack-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.8rem 0 0;
}

.stack-chip {
  padding: 0.32rem 0.8rem;
  border-radius: 2rem;
  border: 1px solid var(--phx-line);
  background: var(--phx-card);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--phx-text-soft);
}

@media (max-width: 960px) {
  .md-typeset .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .md-typeset .spec-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Explore cards
   -------------------------------------------------------------------------- */

.md-typeset .feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
  margin-top: 2.4rem;
  text-align: left;
}

.md-typeset a.feature-card,
.md-typeset a.feature-card:hover,
.md-typeset a.feature-card:focus-visible {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.md-typeset .feature-card {
  padding: 1.4rem 1.35rem 1.25rem;
  background: var(--phx-card);
  border: 1px solid var(--phx-line);
  border-radius: 12px;
  box-shadow: 0 1px 3px var(--phx-shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.md-typeset .feature-card:hover,
.md-typeset .feature-card:focus-visible {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--card-accent, var(--phx-teal)) 55%, transparent);
  box-shadow: 0 12px 30px var(--phx-shadow);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.9rem;
  border-radius: 10px;
  font-size: 1.4rem;
  color: var(--card-accent, var(--phx-teal));
  background: color-mix(in srgb, var(--card-accent, var(--phx-teal)) 13%, transparent);
}

.feature-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--phx-text);
  margin-bottom: 0.35rem;
}

.md-typeset .feature-card p {
  flex: 1;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--phx-text-soft);
  margin: 0 0 1rem;
}

.feature-go {
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--card-accent, var(--phx-teal));
}

.md-typeset .feature-card code {
  background: color-mix(in srgb, var(--phx-teal) 11%, transparent);
  color: var(--phx-teal-strong);
  font-size: 0.82em;
}

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

.landing-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
  padding: 1.8rem 1.5rem;
  font-size: 0.84rem;
  color: var(--phx-text-muted);
  background: var(--phx-bg);
  border-top: 1px solid var(--phx-line);
}

.md-typeset .landing-footer a {
  display: inline-flex;
  color: var(--phx-text-muted);
  transition: color 0.2s ease;
}

.md-typeset .landing-footer a:hover,
.md-typeset .landing-footer a:focus-visible {
  color: var(--phx-teal);
}

.landing-footer svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.spec-note code {
  font-size: 0.72rem;
}

@media (max-width: 600px) {
  .landing-section {
    padding: 3rem 1.1rem;
  }

  .md-typeset .hero {
    padding-bottom: 2rem;
  }
}