/* ======================================================================
   About Us page (pages/about.html). Loaded after style.css and only on this page.
   Sizes and spacing measured from the About Us page on cadence.com at 1920px; colours follow the PulseWave theme.
   "What We Can Do for You" reuses the home page section (#capabilities rules in style.css).
   ====================================================================== */
[data-page="about"] { --font-head: var(--font-nav); --font-body: var(--font-nav); }
[data-page="about"] main { font-family: var(--font-nav); color: var(--nav-ink); background: #fff; }
[data-page="about"] #capabilities { padding-block: 96px 97px; }
[data-page="about"] #capabilities .cap-box__tab { letter-spacing: 0.72px; }

/* shared: Cadence-sized buttons and section headings */
.ab-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 220px; height: 47px; padding: 12px 30px 10px;
  border: 0.8px solid transparent; font: 500 14.4px/23.04px var(--font-nav); letter-spacing: 1.728px; text-transform: uppercase; }
.ab-btn.btn--dark { background: var(--nav-ink); }
.ab-btn.btn--dark:hover { background: var(--accent-2); }
.ab-h2 { margin: 8px 0 24px; font: 300 36px/43.2px var(--font-nav); letter-spacing: -0.72px; color: var(--nav-ink); }
.ab-center { text-align: center; }
.ab p { font: 300 18px/28.8px var(--font-nav); letter-spacing: 0.72px; }

/* ---------- hero: 560px, centred 722px text block ---------- */
.ab-hero { position: relative; display: flex; align-items: center; justify-content: center; min-height: 560px; padding: 40px var(--gutter);
  overflow: hidden; background: var(--navy); color: #fff; text-align: center; }
.ab-hero__art { position: absolute; inset: 0 0 0 55%; background: url("../img/photos/ai.jpg") 0% center/cover no-repeat;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%); mask-image: linear-gradient(90deg, transparent, #000 60%); }
.ab-hero__cubes, .ab-banner__cubes { position: absolute; top: -20px; left: 2%; width: 180px; opacity: .3; pointer-events: none; }
.ab-hero::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse 560px 230px at 50% 50%, rgba(12, 17, 29, .85), rgba(12, 17, 29, 0) 100%); }
.ab-hero__content { position: relative; z-index: 2; width: min(722px, 100%); }
.ab-hero__title { margin: 0 0 15px; font: 500 54px/81px var(--font-nav); letter-spacing: -1.08px; text-transform: uppercase; color: #fff; }
.ab .ab-hero__sub { margin: 0 0 30px; font: 300 18px/27px var(--font-nav); letter-spacing: 0.72px; color: #fff; }

/* ---------- intro: grey band, 508px text column + 508px white stats card ---------- */
.ab-intro { padding: 96px 0; background: #f5f5f5; }
.ab-intro__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 508px)); column-gap: 29px; justify-content: center; width: min(1045px, calc(100% - 2 * var(--gutter))); margin: 0 auto; }
.ab-intro__text { display: flex; flex-direction: column; align-items: flex-start; padding-bottom: 27px; }
.ab-intro__text p { margin: 0 0 16px; color: var(--nav-ink); }
.ab-intro__text .ab-btn { margin-top: auto; }
.ab-stats { display: flex; flex-direction: column; align-items: center; padding: 27px 0; background: #fff; }
.ab-stats__grid { display: grid; grid-template-columns: repeat(2, 239px); gap: 27px 30px; margin-bottom: 69px; }
.ab-stat { min-height: 186px; text-align: center; }
.ab-stat .icon { display: block; margin: 0 auto; font-size: 64px; stroke-width: 1; color: var(--accent); }
.ab-stat:nth-child(even) .icon { color: var(--accent-2); }
.ab-stat h5 { margin: 16px 0 8px; font: 500 28.8px/40.32px var(--font-nav); letter-spacing: -0.576px; color: var(--nav-ink); }
.ab .ab-stat p { margin: 0; font: 300 16.2px/25.92px var(--font-nav); letter-spacing: 0.648px; color: var(--nav-ink); }
.ab-stats .ab-btn { margin-top: auto; }

/* ---------- banners: 400px, text block 114px from the top of a 1290px column ---------- */
.ab-banner { position: relative; min-height: 400px; overflow: hidden; background: var(--nav-ink); color: #fff; }
.ab-banner__art { position: absolute; inset: 0; background-size: cover; background-position: center; }
.ab-banner__art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12, 17, 29, .92) 0%, rgba(12, 17, 29, .7) 45%, rgba(12, 17, 29, .25) 100%); }
.ab-banner__inner { position: relative; width: min(1290px, calc(100% - 2 * var(--gutter))); margin: 0 auto; padding: 114px 0 40px; }
.ab-banner--value .ab-banner__inner { padding-top: 103px; }
.ab-banner__content { max-width: 450px; }
.ab-banner--value .ab-banner__content { max-width: 560px; }   /* keeps the heading on one line, as on Cadence */
.ab-banner__title { margin: 8px 0 24px; font: 300 36px/43.2px var(--font-nav); letter-spacing: -0.72px; color: #fff; }
.ab .ab-banner__sub { margin: 0 0 30px; font: 300 18px/27px var(--font-nav); letter-spacing: 0.72px; color: #fff; }

/* ---------- who we are: grey band, three 337px white cards ---------- */
.ab-res { padding: 88px 0 96px; background: #f5f5f5; }
.ab-res__inner { width: min(1070px, calc(100% - 2 * var(--gutter))); margin: 0 auto; }
.ab-res .ab-h2 { margin-bottom: 0; }
.ab-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 337px)); gap: 30px; justify-content: center; margin-top: 51px; }
.ab-card { display: flex; flex-direction: column; min-height: 514px; padding: 40px 32px 10px; background: #fff; }
.ab-card > .icon { font-size: 50px; stroke-width: 1.2; color: var(--accent); }
.ab-card h5 { margin: 40px 0 27px; font: 500 18px/25.2px var(--font-nav); color: var(--nav-ink); }
.ab .ab-card p { margin: 0 0 12px; font: 300 16.2px/25.92px var(--font-nav); letter-spacing: 0.648px; color: var(--nav-ink); }
.ab-card strong { font-weight: 500; }
.ab-card ul { margin: 0 0 12px; padding-left: 18px; list-style: disc; font: 300 16.2px/25.92px var(--font-nav); letter-spacing: 0.648px; }
.ab-card__link { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; margin: auto 0 32px; padding-top: 12px;
  font: 500 14.4px/23.04px var(--font-nav); letter-spacing: 1.728px; text-transform: uppercase; color: var(--nav-ink); transition: color .2s; }
.ab-card__link .icon { font-size: 16px; stroke-width: 2.2; transition: transform .2s; }
.ab-card__link:hover { color: var(--accent); }
.ab-card__link:hover .icon { transform: translateX(5px); }

/* ---------- smaller screens ---------- */
@media (max-width: 1100px) {
  .ab-intro__grid { grid-template-columns: minmax(0, 1fr); row-gap: 40px; }
  .ab-stats__grid { grid-template-columns: repeat(2, minmax(0, 239px)); }
  .ab-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .ab-hero { min-height: 460px; }
  .ab-hero__art { inset: 0; opacity: .35; -webkit-mask-image: none; mask-image: none; }
  .ab-hero__title { font-size: 38px; line-height: 50px; }
  .ab-intro, .ab-res, [data-page="about"] #capabilities { padding-block: 56px; }
  .ab-h2, .ab-banner__title { font-size: 28px; line-height: 36px; }
  .ab-stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 12px; padding: 0 12px; margin-bottom: 32px; }
  .ab-stat { min-height: 0; }
  .ab-stat h5 { font-size: 24px; line-height: 32px; }
  .ab-banner__inner { padding: 64px 0; }
  .ab-banner__art::after { background: rgba(12, 17, 29, .78); }
  .ab-cards { grid-template-columns: minmax(0, 1fr); }
  .ab-card { min-height: 0; }
  .ab-card__link { margin-top: 16px; }
}

/* ---------- stats card, matched to cadence.com: 64px icon, 28.8px number, label with 32px below it;
   a thin 60%-wide line under each label in the top row; dark button that empties on hover ---------- */
.ab-stats__grid { row-gap: 27px; }
.ab-stat { min-height: 0; }
.ab .ab-stat p { position: relative; padding-bottom: 32px; }
.ab-stat:nth-child(-n+2) p::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 60%; height: 1px; background: #d7dde0; transform: translateX(-50%); }
.ab-btn.btn--dark { border: 1px solid var(--nav-ink); background: var(--nav-ink); color: #fff; transition: background-color .3s, color .3s; }
.ab-btn.btn--dark:hover, .ab-btn.btn--dark:focus-visible { background: transparent; color: var(--nav-ink); }

/* no hairline seams between the dark bands and their neighbours at fractional zoom (e.g. Windows 125%) */
.ab-hero, .ab-banner { z-index: 1; margin-block: -1px; }
.ab-hero { margin-top: 0; }
/* side padding so labels never touch the card edges; long labels wrap onto a balanced second line */
.ab-stats { padding-inline: 28px; }
.ab-stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; column-gap: 32px; }
.ab .ab-stat p { text-wrap: balance; }

/* each row of stats shares one grid (subgrid): icons, numbers, labels and the divider lines line up across the row
   even when one label wraps onto two lines; the 4th track is the 27px gap between the rows */
.ab-stats__grid { grid-template-rows: auto auto auto 27px auto auto auto; row-gap: 0; }
.ab-stat { display: grid; grid-template-rows: subgrid; grid-row: span 3; justify-items: center; }
.ab-stat:nth-child(n+3) { grid-row: 5 / span 3; }
.ab-stat h5 { align-self: start; }
.ab .ab-stat p { align-self: stretch; width: 100%; }

/* hero photo: full width, fading gradually towards the left (no solid dark block); the soft glow keeps the centred text readable */
@media (min-width: 761px) {
  .ab-hero__art { inset: 0; background-position: center;
    -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, .2) 0%, rgba(0, 0, 0, .4) 35%, #000 75%);
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, .2) 0%, rgba(0, 0, 0, .4) 35%, #000 75%); }
}