/* dns-base.css: reset, fonts, layout helpers, buttons and scroll reveal.
   DRAFT - pending designer sign-off. Global: every page uses all of it. */

@font-face { font-family: 'General Grotesque Mono'; src: url('/assets/fonts/general-grotesque-mono-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Newsreader'; src: url('/assets/fonts/newsreader-variable.woff2') format('woff2'); font-weight: 200 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'Newsreader'; src: url('/assets/fonts/newsreader-variable-italic.woff2') format('woff2'); font-weight: 200 800; font-style: italic; font-display: swap; }
@font-face { font-family: 'Albert Sans'; src: url('/assets/fonts/albert-sans-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Albert Sans'; src: url('/assets/fonts/albert-sans-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Albert Sans'; src: url('/assets/fonts/albert-sans-600.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: swap; }

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

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--dns-color-cream);
  color: var(--dns-color-text-primary);
  font-family: var(--dns-font-primary);
  font-size: var(--dns-text-base);
  line-height: var(--dns-leading-normal);
  -webkit-font-smoothing: antialiased;
}

/* The homepage sits on the gray ground; blog pages sit on cream. */
.dns-page--home { background: var(--dns-color-background); }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

main { overflow-x: clip; }

:focus-visible {
  outline: 2px solid var(--dns-color-blue-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.dns-skip {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 12px 16px;
  border-radius: var(--dns-radius-button);
  background: var(--dns-color-white);
  color: var(--dns-color-ink);
  transform: translateY(-200%);
}
.dns-skip:focus { transform: none; }

.dns-scroll-locked { overflow: hidden; }

/* Layout */
.dns-wrap {
  max-width: var(--dns-container-max);
  margin-inline: auto;
  padding-left: max(var(--dns-gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--dns-gutter), env(safe-area-inset-right, 0px));
}

/* Floating cards (header, footer): a bit wider than the content column, never full-bleed */
.dns-float {
  max-width: calc(var(--dns-container-max) + 48px);
  margin-inline: auto;
  padding-left: max(12px, min(24px, 2vw), env(safe-area-inset-left, 0px));
  padding-right: max(12px, min(24px, 2vw), env(safe-area-inset-right, 0px));
}

.dns-section { padding-block: var(--dns-section-space); }

/* Dark or tinted sections set the color; type classes inside inherit it. */
.dns-inherit { color: inherit; }

/* Buttons */
.dns-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: var(--dns-radius-button);
  background: var(--dns-color-primary);
  color: var(--dns-color-text-inverse);
  font-family: var(--dns-font-primary);
  font-weight: var(--dns-weight-medium);
  font-size: var(--dns-text-button);
  white-space: nowrap;
  cursor: pointer;
}
.dns-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--dns-color-primary-hover);
  transform: translateY(101%);
}
.dns-btn:hover::before { transform: translateY(0); }
.dns-btn__icon { width: 18px; height: 18px; flex: none; }
.dns-btn__roll { display: inline-grid; overflow: hidden; height: 1.25em; line-height: 1.25; }
.dns-btn__roll > span { grid-area: 1 / 1; }
.dns-btn__roll > span + span { transform: translateY(110%); }
.dns-btn:hover .dns-btn__roll > span:first-child { transform: translateY(-110%); }
.dns-btn:hover .dns-btn__roll > span + span { transform: translateY(0); }

.dns-btn--outline {
  background: transparent;
  color: var(--dns-color-text-primary);
  box-shadow: inset 0 0 0 1px var(--dns-color-line-strong);
}
.dns-btn--outline::before { background: var(--dns-color-primary); }
.dns-btn--outline:hover { color: var(--dns-color-text-inverse); box-shadow: none; }

.dns-btn--ghost {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--dns-color-line-inverse-strong);
}
.dns-btn--ghost::before { background: var(--dns-color-primary); }
.dns-btn--ghost:hover { box-shadow: none; }

.dns-btn--shop {
  min-height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  background: var(--dns-color-white);
  color: var(--dns-color-blue-dark);
  font-size: var(--dns-text-base);
}
.dns-btn--shop::before { background: var(--dns-color-blue-wash); }

.dns-link-arrow { display: inline-block; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }

  .dns-btn::before { transition: transform .5s var(--dns-ease-out); }
  .dns-btn__icon { transition: transform .4s var(--dns-ease-out); }
  .dns-btn__roll > span { transition: transform .5s var(--dns-ease-out); }
  .dns-btn:hover .dns-btn__icon { transform: translateX(4px); }
  .dns-btn:hover .dns-btn__icon--external { transform: translate(2px, -2px); }
  .dns-btn:hover,
  .dns-btn:focus-visible { animation: dns-btn-pulse 1.4s ease-in-out infinite; }

  .dns-link-arrow { transition: transform .4s var(--dns-ease-out); }
  a:hover .dns-link-arrow { transform: translateX(5px); }

  /* Reveal on scroll: JS only hides what starts below the fold, and a failsafe shows it all. */
  .dns-rv { transition: opacity 1s var(--dns-ease-out), transform 1s var(--dns-ease-out); }
  .dns-rv--d1 { transition-delay: .1s; }
  .dns-rv--d2 { transition-delay: .2s; }
  .dns-rv--d3 { transition-delay: .3s; }
  .dns-rv--d4 { transition-delay: .4s; }
  .dns-rv--d5 { transition-delay: .5s; }
  .dns-rv.dns-is-pending { opacity: 0; transform: translateY(36px); }

  @keyframes dns-btn-pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 var(--dns-color-glow); }
    45% { transform: scale(1.07); }
    70% { box-shadow: 0 0 0 16px var(--dns-color-glow-off); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 var(--dns-color-glow-off); }
  }
}