/* ============================================================
   Kheel — shared marketing primitives (Sand & Ink)
   Layout, navigation, buttons, section scaffolding and footer,
   shared by every public page. Built on tokens.css; the page
   sections are in site.css.
   ============================================================ */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--fg-1);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
/* `hidden` must win over a class that sets display (the form's confirmation). */
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--color-blue-100); color: var(--color-navy-900); }
:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; border-radius: 3px; }

.wrap { width: 100%; max-width: 1216px; margin: 0 auto; padding: 0 48px; }

.skip {
  position: absolute; left: 16px; top: -48px; z-index: 200;
  background: var(--brand-primary); color: #fff; padding: 10px 14px; border-radius: var(--radius-sm);
}
.skip:focus { top: 12px; }

/* Headline accent: a phrase set in Newsreader italic, as the application's
   sign-in pages use it. */
h1 em, h2 em {
  font-family: var(--font-serif); font-style: italic; font-weight: var(--fw-regular);
  letter-spacing: -0.01em; color: var(--color-blue-600);
}

/* ---------- Logo ---------- */
.klogo { display: inline-flex; align-items: center; }
.klogo img { height: 30px; width: auto; }

/* ---------- Nav ---------- */
.knav {
  position: sticky; top: 0; z-index: var(--z-sticky);
  background: rgba(250, 248, 244, 0.86);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
}
.knav__inner { display: flex; align-items: center; gap: 40px; height: 68px; }
.knav__links { display: flex; align-items: center; gap: 28px; }
.knav__links a {
  font-size: var(--fs-15); font-weight: var(--fw-medium); color: var(--fg-2); white-space: nowrap;
  padding: 6px 0; border-bottom: 1.5px solid transparent;
  transition: color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}
.knav__links a:hover { color: var(--fg-1); }
.knav__links a[aria-current="page"] { color: var(--fg-1); border-bottom-color: var(--color-blue-600); }
.knav__cta { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.knav__menu { display: none; margin-left: auto; position: relative; }
.knav__menu summary {
  list-style: none; cursor: pointer; width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: grid; place-content: center; gap: 4px;
}
.knav__menu summary::-webkit-details-marker { display: none; }
.knav__menu summary span { display: block; width: 18px; height: 1.5px; background: var(--fg-1); border-radius: 1px; }
.knav__menu[open] summary { background: var(--bg-sunken); }
.knav__sheet {
  position: absolute; right: 0; top: 48px; min-width: 220px; padding: 8px;
  background: var(--bg-surface); border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  display: grid;
}
.knav__sheet a { padding: 10px 12px; border-radius: var(--radius-sm); font-size: var(--fs-15); font-weight: var(--fw-medium); color: var(--fg-2); }
.knav__sheet a:hover, .knav__sheet a[aria-current="page"] { background: var(--bg-canvas); color: var(--fg-1); }

/* ---------- Buttons ---------- */
.kbtn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: var(--fw-medium); font-size: var(--fs-15);
  line-height: 1; white-space: nowrap; cursor: pointer;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  padding: 0 16px; height: 40px;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}
.kbtn svg { width: 16px; height: 16px; }
.kbtn--primary { background: var(--brand-accent); color: #fff; }
.kbtn--primary:hover { background: var(--brand-accent-hover); }
.kbtn--ghost { background: transparent; color: var(--fg-1); }
.kbtn--ghost:hover { background: var(--bg-sunken); }
.kbtn--outline { background: var(--bg-surface); color: var(--fg-1); border-color: var(--border-default); }
.kbtn--outline:hover { border-color: var(--border-strong); }
.kbtn--xl { height: 50px; padding: 0 24px; font-size: var(--fs-16); }

/* ---------- Section scaffold ---------- */
.section { padding: 104px 0; }
.section--tight { padding: 72px 0; }
.section--canvas { background: var(--color-slate-75); }
.shead { max-width: 720px; }
.shead h2 {
  font-family: var(--font-display); font-weight: var(--fw-semibold);
  font-size: var(--fs-40); line-height: var(--lh-tight); letter-spacing: var(--ls-tight);
  margin: 0; color: var(--fg-1); text-wrap: balance;
}
.shead p { font-size: var(--fs-18); line-height: var(--lh-relaxed); color: var(--fg-2); margin: 18px 0 0; }
/* A heading that reads better on one line, where there is room for it. */
.shead--wide { max-width: none; }
.shead--wide p { max-width: 720px; }

/* ---------- Feature cards: lifted, not outlined (as the application) ---------- */
.fgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.feature { background: var(--bg-surface); border-radius: var(--radius-card); padding: 28px; box-shadow: var(--lift-2); }
.feature__icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: grid; place-items: center;
  background: var(--color-blue-50); color: var(--color-blue-600); margin-bottom: 18px;
}
.feature__icon svg { width: 20px; height: 20px; }
.feature h3 { font-size: var(--fs-18); font-weight: var(--fw-semibold); margin: 0 0 8px; letter-spacing: -0.01em; }
.feature p { font-size: var(--fs-15); line-height: var(--lh-normal); color: var(--fg-2); margin: 0; }

/* ---------- Footer ---------- */
.kfoot { background: var(--bg-slate); color: rgba(255,255,255,0.7); padding: 64px 0 36px; }
.kfoot__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.kfoot__brand img { height: 30px; width: auto; }
.kfoot__brand p { font-size: var(--fs-14); line-height: var(--lh-relaxed); color: rgba(255,255,255,0.6); margin: 18px 0 0; max-width: 320px; }
.kfoot__col h2 { font-size: var(--fs-13); font-weight: var(--fw-semibold); color: #fff; margin: 0 0 14px; letter-spacing: 0.01em; }
.kfoot__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.kfoot__col a { font-size: var(--fs-14); color: rgba(255,255,255,0.62); transition: color var(--dur-fast); }
.kfoot__col a:hover { color: #fff; }
.kfoot__bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--fs-13); color: rgba(255,255,255,0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .knav__links, .knav__cta { display: none; }
  .knav__menu { display: block; }
  .fgrid { grid-template-columns: 1fr; }
  .kfoot__grid { grid-template-columns: 1fr 1fr; }
  .kfoot__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section--tight { padding: 48px 0; }
  .shead h2 { font-size: var(--fs-32); }
  .fgrid { margin-top: 36px; }
  .kfoot__grid { grid-template-columns: 1fr; }
  .kfoot__bottom { flex-direction: column; align-items: flex-start; }
}