/*
 * AllinAI Begin Child - R0.5 home styles
 *
 * Static product Hero with two real Promo cards.
 *
 * Shell max-width is intentionally aligned with the Begin parent content
 * container (1200px at >= 1440 viewport per live read-only measurement).
 * The shell uses margin auto so it stays centered as the viewport narrows
 * down to the same side padding Begin uses internally.
 *
 * Topology map (avoid 1px topology cliff):
 *   >= 1152px: two-column shell, Hero 12:5 with overlay copy, two vertical
 *              promo cards filling the hero height.
 *   769 - 1151px: single-column shell, Hero 12:5 with overlay copy, two
 *              promo cards side-by-side below.
 *   641 - 768px:  same topology as 769-1151px (12:5 + overlay, 2-col promo).
 *                 This removes the 335px cliff previously triggered at 768.
 *   <= 640px:  Hero 12:5 + overlay, Promo single column.
 *   <= 480px:  Hero switches to 16:9 with copy below for mobile readability.
 *
 * No animations or forced declarations.
 */

:root {
  --allinai-r05-harbor-blue: #2563EB;
  --allinai-r05-deep-navy: #16324F;
  --allinai-r05-warm-orange: #F59E0B;
  --allinai-r05-deep-orange: #B45309;
  --allinai-r05-soft-sky: #EAF4FF;
  --allinai-r05-soft-warm: #FFF4E5;
  --allinai-r05-text: #1F2937;
  --allinai-r05-white: #FFFFFF;
  --allinai-r05-radius: 8px;
  --allinai-r05-pad-lg: 68px;
  --allinai-r05-pad-md: 40px;
}

.allinai-r05-shell,
.allinai-r05-shell *,
.allinai-r05-hero,
.allinai-r05-hero *,
.allinai-r05-promo,
.allinai-r05-promo * {
  box-sizing: border-box;
}

/* ========== Shell container alignment (V02) ========== */

.allinai-r05-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: calc(100% - 32px);  /* 16px gutter each side, prevents touching edge */
  max-width: 1200px;          /* matches Begin #content at >= 1440 per live measurement */
  margin: 0 auto 24px;        /* 24px vertical transition to the old content area below */
  padding: 0;
  min-width: 0;
  box-sizing: border-box;
}

/* ========== Hero ========== */

.allinai-r05-hero {
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: 0;
  border-radius: var(--allinai-r05-radius);
  overflow: hidden;
  background: var(--allinai-r05-deep-navy);
  aspect-ratio: 12 / 5;
  isolation: isolate;
  /* Prevent Grid stretch from overriding the 12:5 intrinsic ratio when
   * the shell is single column. */
  align-self: start;
}

.allinai-r05-hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.allinai-r05-hero__image {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: cover;
  object-position: 50% 50%;
}

.allinai-r05-hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  width: min(72%, 640px);
  min-height: 100%;
  padding: var(--allinai-r05-pad-md);
  color: var(--allinai-r05-white);
  background: linear-gradient(
    90deg,
    rgba(22, 50, 79, 0.98) 0%,
    rgba(22, 50, 79, 0.88) 58%,
    rgba(22, 50, 79, 0) 100%
  );
  min-width: 0;
}

.allinai-r05-hero__title {
  margin: 0;
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--allinai-r05-white);
}

.allinai-r05-hero__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--allinai-r05-white);
  opacity: 0.95;
  /* No hard <br> in the template any more. Allow natural wrapping at every
   * width. Spans are kept only so any future visual rhythm can target them
   * without re-introducing markup noise. */
}

.allinai-r05-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ========== CTAs ========== */

.allinai-r05-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  border-radius: var(--allinai-r05-radius);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid transparent;
  transition: none;
}

.allinai-r05-cta:focus-visible {
  outline: 2px solid var(--allinai-r05-warm-orange);
  outline-offset: 3px;
}

.allinai-r05-cta--primary {
  background: var(--allinai-r05-harbor-blue);
  color: var(--allinai-r05-white);
}

.allinai-r05-cta--primary:hover {
  background: #1E4FCB;
}

.allinai-r05-cta--secondary {
  background: transparent;
  color: var(--allinai-r05-white);
  border-color: rgba(255, 255, 255, 0.7);
}

.allinai-r05-cta--secondary:hover {
  border-color: var(--allinai-r05-white);
  background: rgba(255, 255, 255, 0.08);
}

.allinai-r05-cta__icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
}

/* ========== Promo cards ========== */

.allinai-r05-promo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 0;
  width: 100%;
  min-width: 0;
  min-height: 0;
}

.allinai-r05-promo__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border-radius: var(--allinai-r05-radius);
  overflow: hidden;
  min-height: 0;
  justify-content: space-between;
}

.allinai-r05-promo__card--intro {
  background: var(--allinai-r05-soft-sky);
  color: var(--allinai-r05-deep-navy);
}

.allinai-r05-promo__card--judgment {
  background: var(--allinai-r05-soft-warm);
  color: var(--allinai-r05-deep-navy);
}

.allinai-r05-promo__eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.allinai-r05-promo__card--intro .allinai-r05-promo__eyebrow {
  color: var(--allinai-r05-harbor-blue);
}

.allinai-r05-promo__card--judgment .allinai-r05-promo__eyebrow {
  color: var(--allinai-r05-deep-orange);
}

.allinai-r05-promo__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: inherit;
}

.allinai-r05-promo__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  opacity: 0.9;
}

.allinai-r05-promo__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: auto;
  padding: 8px 14px;
  border-radius: var(--allinai-r05-radius);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  color: var(--allinai-r05-white);
  background: var(--allinai-r05-harbor-blue);
  border: 1px solid transparent;
  transition: none;
}

.allinai-r05-promo__card--judgment .allinai-r05-promo__link {
  background: var(--allinai-r05-deep-navy);
  color: var(--allinai-r05-white);
}

.allinai-r05-promo__link:hover {
  filter: brightness(1.05);
}

.allinai-r05-promo__link:focus-visible {
  outline: 2px solid var(--allinai-r05-deep-navy);
  outline-offset: 3px;
}

.allinai-r05-promo__link__icon {
  width: 14px;
  height: 14px;
}

/* Hidden anchor at module boundary */
.allinai-r05-anchor {
  display: block;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
}

/* ========== Wide desktop (>= 1152px): two-column shell ========== */

@media (min-width: 1152px) {
  .allinai-r05-shell {
    display: grid;
    grid-template-columns: minmax(0, 724fr) minmax(0, 276fr);
    align-items: stretch;
  }

  .allinai-r05-promo {
    display: grid;
    grid-template-rows: 1fr 1fr;
    grid-template-columns: 1fr;
    gap: 16px;
    height: 100%;
    min-width: 0;
    min-height: 0;
  }

  .allinai-r05-promo__card {
    padding: 18px;
  }

  /* V03: let the hero stretch to match the promo column height
   * instead of staying at the intrinsic 12:5 ratio. The base rule
   * sets align-self: start, which prevents the shell grid from
   * aligning the hero bottom to the second promo card. */
  .allinai-r05-hero {
    align-self: stretch;
  }
}

/* ========== Medium width (769 - 1151px): single-column shell ========== */

@media (min-width: 769px) and (max-width: 1151px) {
  /* Inherit width: calc(100% - 32px) + max-width: 1200px from the base
   * rule. Explicit alignment with Begin #content at this width. */
  .allinai-r05-shell {
    display: grid;
    grid-template-columns: 1fr;
    min-width: 0;
    gap: 24px;
  }

  .allinai-r05-promo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 16px;
    padding: 0;
    height: auto;
    min-width: 0;
    min-height: 0;
  }
}

/* Narrow-band sizing (769 - 900px), stacks on top of the medium-width topology. */
@media (min-width: 769px) and (max-width: 900px) {
  .allinai-r05-hero__content {
    gap: 12px;
    width: 78%;
    padding: 20px;
  }

  .allinai-r05-hero__title {
    font-size: 22px;
  }

  .allinai-r05-hero__lead {
    font-size: 14px;
    line-height: 1.45;
  }

  .allinai-r05-hero__cta {
    gap: 8px;
  }

  .allinai-r05-cta {
    gap: 6px;
    padding: 8px 10px;
    font-size: 13px;
  }

  .allinai-r05-promo {
    gap: 8px;
    padding: 0;
  }

  .allinai-r05-promo__card {
    gap: 4px;
    padding: 8px;
  }

  .allinai-r05-promo__eyebrow {
    font-size: 12px;
    line-height: 1.2;
  }

  .allinai-r05-promo__title {
    font-size: 14px;
    line-height: 1.3;
  }

  .allinai-r05-promo__desc {
    font-size: 12px;
    line-height: 1.4;
  }

  .allinai-r05-promo__link {
    gap: 4px;
    padding: 6px 8px;
    font-size: 12px;
  }
}

/* ========== Tablet & mobile (641 - 768px): same topology as 769 - 1151px ==========
 * 12:5 + overlay persists. Promo stays two columns. This removes the
 * 335px cliff that previously occurred between 769 and 768. */
@media (min-width: 641px) and (max-width: 768px) {
  .allinai-r05-shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .allinai-r05-hero__content {
    width: 80%;
    padding: 18px;
    gap: 14px;
  }

  .allinai-r05-hero__title {
    font-size: 20px;
  }

  .allinai-r05-hero__lead {
    font-size: 13px;
    line-height: 1.45;
  }

  .allinai-r05-hero__cta {
    gap: 8px;
  }

  .allinai-r05-cta {
    gap: 6px;
    padding: 8px 10px;
    font-size: 12px;
  }

  .allinai-r05-promo {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
    gap: 12px;
  }

  .allinai-r05-promo__card {
    padding: 12px;
    gap: 4px;
  }

  .allinai-r05-promo__title {
    font-size: 15px;
  }

  .allinai-r05-promo__desc {
    font-size: 12px;
  }

  .allinai-r05-promo__link {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* ========== Mobile breakpoint: promo single column (<= 640px) ========== */
@media (max-width: 640px) {
  .allinai-r05-promo {
    grid-template-columns: 1fr;
  }

  .allinai-r05-hero__content {
    width: 86%;
    padding: 14px;
    gap: 12px;
  }

  .allinai-r05-hero__title {
    font-size: 20px;
  }

  .allinai-r05-hero__lead {
    font-size: 13px;
    line-height: 1.5;
  }

  .allinai-r05-promo__card {
    padding: 14px;
    gap: 6px;
  }

  .allinai-r05-promo__title {
    font-size: 16px;
  }

  .allinai-r05-promo__desc {
    font-size: 13px;
  }
}

/* ========== Very narrow (<= 480px): hero switches to 16:9 + copy below ========== */
@media (max-width: 480px) {
  .allinai-r05-hero {
    aspect-ratio: auto;
    display: grid;
    grid-template-columns: 1fr;
    align-self: stretch;
  }

  .allinai-r05-hero__media {
    position: relative;
    inset: auto;
    aspect-ratio: 16 / 9;
    width: 100%;
  }

  .allinai-r05-hero__content {
    width: 100%;
    min-height: 0;
    gap: 16px;
    padding: 18px;
    background: var(--allinai-r05-deep-navy);
  }

  .allinai-r05-hero__title {
    font-size: 20px;
  }

  .allinai-r05-hero__lead {
    font-size: 13px;
  }

  .allinai-r05-promo__title {
    font-size: 16px;
  }

  .allinai-r05-promo__desc {
    font-size: 13px;
  }
}

/* ========== R0.5.2 homepage mobile-height compatibility ========== */

@media (max-width: 1025px) {
  body.home #content {
    min-height: 0;
  }
}