/* Product-marketing shared layer
   Fonts, buttons, band shell, motion helpers for /products/* pages.
   Load before page CSS (swimdash-product.css, products-hub.css).
   Materials and world tokens stay in the page CSS. */

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/barlow-condensed-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/barlow-condensed-700.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-500.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex-sans-600.woff2') format('woff2');
}

.ps-root {
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --signal-red: #fd192a;
  --signal-red-hover: #e01020;
  --brand-blue: #40b4e0;

  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: none;
}

.ps-root *,
.ps-root *::before,
.ps-root *::after {
  box-sizing: border-box;
}

.ps-root ::selection {
  background: rgba(64, 180, 224, 0.35);
  color: inherit;
}

.ps-root a {
  color: var(--brand-blue);
  text-underline-offset: 0.18em;
}

.ps-root a:focus-visible,
.ps-root button:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 3px;
}

/* ── Full-bleed bands ── */

.ps-band {
  width: 100%;
  padding: 0 1.5rem;
}

.ps-band--deep {
  background: var(--ps-deep, #122333);
  color: var(--ps-on-deep, #f2f7fa);
}

.ps-band--light {
  background: var(--ps-ground, #eef3f7);
  color: var(--ps-ink, #122333);
}

.ps-band--white {
  background: #fff;
  color: var(--ps-ink, #122333);
}

.ps-band__inner {
  max-width: 72rem;
  margin: 0 auto;
}

/* ── Type ── */

.ps-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}

.ps-h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  max-width: 14ch;
}

.ps-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.15rem, 5vw, 3.35rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: inherit;
}

.ps-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
  max-width: 38rem;
  margin: 0;
  color: var(--ps-muted, #4a6274);
}

.ps-band--deep .ps-lead {
  color: var(--ps-on-deep-muted, rgba(242, 247, 250, 0.72));
}

.ps-back,
.ps-root a.ps-back:link,
.ps-root a.ps-back:visited {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ps-muted, #4a6274);
  text-decoration: none;
  padding: 1.5rem 0 0.5rem;
  transition: color 150ms ease;
}

.ps-back:hover,
.ps-root a.ps-back:hover {
  color: var(--ps-ink, #122333);
}

.ps-root .ps-band--deep .ps-back,
.ps-root .ps-band--deep a.ps-back:link,
.ps-root .ps-band--deep a.ps-back:visited {
  color: var(--ps-on-deep-muted, rgba(242, 247, 250, 0.72));
}

.ps-root .ps-band--deep .ps-back:hover,
.ps-root .ps-band--deep a.ps-back:hover {
  color: var(--ps-on-deep, #f2f7fa);
}

/* ── Buttons ── */

.ps-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 0.4rem;
  padding: 1rem 1.75rem;
  cursor: pointer;
  transition: transform 120ms var(--ease-out), background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.ps-btn--signal,
.ps-root a.ps-btn--signal:link,
.ps-root a.ps-btn--signal:visited {
  background: var(--signal-red);
  color: #fff;
  border-color: var(--signal-red);
}

.ps-btn--signal:hover,
.ps-root a.ps-btn--signal:hover {
  background: var(--signal-red-hover);
  border-color: var(--signal-red-hover);
  color: #fff;
}

.ps-btn--signal:active {
  transform: scale(0.95);
  transition-duration: 100ms;
}

.ps-btn--ghost,
.ps-root a.ps-btn--ghost:link,
.ps-root a.ps-btn--ghost:visited {
  background: transparent;
  color: var(--ps-on-deep, #f2f7fa);
  border-color: rgba(242, 247, 250, 0.35);
}

.ps-btn--ghost:hover,
.ps-root a.ps-btn--ghost:hover {
  border-color: var(--ps-on-deep, #f2f7fa);
  color: var(--ps-on-deep, #f2f7fa);
}

.ps-btn--ghost-dark,
.ps-root a.ps-btn--ghost-dark:link,
.ps-root a.ps-btn--ghost-dark:visited {
  background: transparent;
  color: var(--ps-ink, #122333);
  border-color: rgba(18, 35, 51, 0.25);
}

.ps-btn--ghost-dark:hover,
.ps-root a.ps-btn--ghost-dark:hover {
  border-color: var(--ps-ink, #122333);
  color: var(--ps-ink, #122333);
}

.ps-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.ps-root a.ps-btn:link,
.ps-root a.ps-btn:visited,
.ps-root a.ps-btn:hover,
.ps-root a.ps-btn:active,
.ps-root a.ps-btn:focus-visible {
  text-decoration: none;
}

/* ── Board / plate frame ── */

.ps-board {
  position: relative;
  margin: 0;
}

.ps-board__frame {
  position: relative;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--ps-line, #c3d0da);
  box-shadow:
    0 18px 36px rgba(18, 35, 51, 0.12),
    0 1px 2px rgba(18, 35, 51, 0.06);
}

.ps-board__frame img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.ps-board__caption {
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ps-muted, #4a6274);
}

.ps-band--deep .ps-board__frame {
  background: var(--ps-deep-2, #1a3044);
  border-color: rgba(242, 247, 250, 0.12);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.35),
    0 2px 0 rgba(255, 255, 255, 0.06) inset;
}

.ps-band--deep .ps-board__caption {
  color: rgba(242, 247, 250, 0.7);
}

/* ── Motion helpers (armed via [data-motion='on']) ── */

.ps-reveal {
  opacity: 1;
  transform: none;
}

.ps-root[data-motion='on'] .ps-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 320ms var(--ease-out), transform 320ms var(--ease-out);
}

.ps-root[data-motion='on'] .ps-reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ps-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ps-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Hero field ambient drift — decorative hairlines glide one pattern period (seamless loop). */
@keyframes ps-drift-y {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(0, calc(-3.25rem - 1px), 0); }
}

@keyframes ps-drift-rails {
  from { transform: translate3d(0, 0, 0); }
  to {
    transform: translate3d(
      calc((5.5rem + 1px) * -0.9659),
      calc((5.5rem + 1px) * -0.2588),
      0
    );
  }
}

/* Hover motion only on fine pointers */
@media (hover: hover) and (pointer: fine) {
  .ps-btn--signal:hover,
  .ps-btn--ghost:hover,
  .ps-btn--ghost-dark:hover {
    transform: scale(0.97);
  }
}

@media (hover: none) {
  .ps-btn--signal:hover,
  .ps-btn--ghost:hover,
  .ps-btn--ghost-dark:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ps-root[data-motion='on'] .ps-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 200ms ease;
  }

  .ph-rails::before,
  .sd-pace-field::before {
    animation: none;
  }

  .ps-btn,
  .ps-btn--signal:hover,
  .ps-btn--ghost:hover,
  .ps-btn--ghost-dark:hover {
    transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
    transform: none;
  }

  .ps-btn--signal:active {
    transform: none;
  }
}

@media (max-width: 640px) {
  .ps-band {
    padding: 0 1.25rem;
  }
}