/* ==========================================================================
    APPSTRACT — About Page Styles
    Covers: page hero, stats adjustment, positioning split, differentiators,
    vision card, FAQ accordion. Nav / footer / CTA come from style.css.
    ========================================================================== */

  /* --------------------------------------------------------------------------
    PAGE HERO
    -------------------------------------------------------------------------- */
  .about-hero {
    position: relative;
    background: var(--navy-950);
    overflow: hidden;
    padding-top: calc(var(--nav-h) + clamp(3rem, 8vw, 5rem));
    padding-bottom: clamp(3.5rem, 8vw, 5.5rem);
    text-align: center;
  }

  .about-hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
  }

  .about-hero__glow--a {
    width: 50vw; height: 50vw;
    max-width: 560px; max-height: 560px;
    top: -20%; right: -12%;
    background: radial-gradient(circle, rgba(41,198,255,.26), transparent 70%);
    animation: drift-a 24s ease-in-out infinite alternate;
  }

  .about-hero__glow--b {
    width: 40vw; height: 40vw;
    max-width: 460px; max-height: 460px;
    bottom: -20%; left: -10%;
    background: radial-gradient(circle, rgba(11,63,181,.42), transparent 70%);
    animation: drift-b 30s ease-in-out infinite alternate;
  }

  .about-hero__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    max-width: 820px;
    margin-inline: auto;
  }

  .about-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5.5vw, 3.75rem);
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.1;
    color: var(--on-dark);
    margin: 0;
  }

  .about-hero__lead {
    color: var(--on-dark-soft);
    font-size: clamp(.9375rem, 1.8vw, 1.125rem);
    line-height: 1.8;
    max-width: 60ch;
    margin: 0;
  }

  /* --------------------------------------------------------------------------
    STATS — flush under hero, inherits style.css stats rules
    -------------------------------------------------------------------------- */
  .about-stats {
    padding-block: clamp(2.5rem, 5vw, 4rem);
    background: var(--bg);
  }

  /* --------------------------------------------------------------------------
    POSITIONING SPLIT
    -------------------------------------------------------------------------- */
  .about-positioning {
    background: var(--bg);
    padding-top: 0;
    padding-bottom: 1px;
  }

  .about-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }

  @media (min-width: 860px) {
    .about-split {
      grid-template-columns: 1fr 1fr;
      align-items: center;
    }
  }

  .about-split__text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .about-split__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--ink);
    line-height: 1.15;
    margin: 0;
  }

  .about-split__body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--ink-2);
    margin: 0;
    max-width: 54ch;
  }

  /* Right column stacks vision card + differentiators */
  .about-split__visual {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  /* --------------------------------------------------------------------------
    VISION CARD
    -------------------------------------------------------------------------- */
  .vision-card {
    position: relative;
    padding: 2rem;
    border-radius: var(--r-xl);
    background: linear-gradient(145deg, var(--navy-800), var(--navy-950));
    border: 1px solid var(--on-dark-border);
    overflow: hidden;
    color: var(--on-dark);
  }

  .vision-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(60% 60% at 80% 20%, rgba(41,198,255,.18), transparent 70%);
    pointer-events: none;
  }

  .vision-card__icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px; height: 56px;
    border-radius: var(--r-md);
    background: var(--brand-gradient-soft);
    color: var(--grad-cyan);
    margin-bottom: 1.125rem;
  }

  .vision-card__title {
    position: relative;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--on-dark);
    margin: 0 0 .625rem;
  }

  .vision-card__text {
    position: relative;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--on-dark-soft);
    margin: 0;
  }

  /* --------------------------------------------------------------------------
    DIFFERENTIATORS LIST
    -------------------------------------------------------------------------- */
  .differentiators {
    padding: 1.75rem;
    border-radius: var(--r-xl);
    background: var(--bg-soft);
    border: 1px solid var(--border);
  }

  .differentiators__label {
    font-family: var(--font-mono);
    font-size: .6875rem;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent-strong);
    margin: 0 0 1.125rem;
  }

  .differentiators__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .75rem 1rem;
  }

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

  .differentiators__list li {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .9375rem;
    font-weight: 500;
    color: var(--ink);
  }

  .differentiators__list li .icon {
    color: var(--accent);
    flex-shrink: 0;
  }

  /* --------------------------------------------------------------------------
    FAQ ACCORDION
    -------------------------------------------------------------------------- */
  .faq-section .faq-list {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    background: var(--surface);
    overflow: hidden;
    transition: border-color var(--dur-fast) var(--ease),
                box-shadow var(--dur-fast) var(--ease);
  }

  .faq-item.is-open {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
  }

  .faq-item__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--ink);
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease);
  }

  .faq-item__trigger:hover {
    color: var(--accent);
  }

  .faq-item__chevron {
    flex-shrink: 0;
    color: var(--muted);
    transition: transform var(--dur-base) var(--ease),
                color var(--dur-fast) var(--ease);
  }

  .faq-item.is-open .faq-item__chevron {
    transform: rotate(180deg);
    color: var(--accent);
  }

  .faq-item__panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--dur-base) var(--ease);
  }

  .faq-item.is-open .faq-item__panel {
    grid-template-rows: 1fr;
  }

  .faq-item__inner {
    overflow: hidden;
    min-height: 0;
  }

  .faq-item__inner p {
    padding: 0 1.5rem 1.4rem;
    color: var(--ink-2);
    font-size: .9375rem;
    line-height: 1.75;
    margin: 0;
  }

  /* --------------------------------------------------------------------------
    REDUCED MOTION
    -------------------------------------------------------------------------- */
  @media (prefers-reduced-motion: reduce) {
    .about-hero__glow--a,
    .about-hero__glow--b { animation: none; }
    .faq-item__panel { transition: none; }
    .faq-item__chevron { transition: none; }
  }