/* =========================================================================
   koodalanne — website-final (single-screen landing)
   Layout only. Color, type, spacing, motion and patterns come from the design
   system. Goal: the whole page reads as one viewport — premium, calm, confident.
   ========================================================================= */

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--kd-font-sans);
  line-height: var(--kd-leading-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }

.stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}
.stage__bg { position: absolute; inset: 0; z-index: 0; }
/* atmospheric lighting — one soft violet rise, low and centered */
.stage__glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(60% 50% at 50% 108%, rgba(122, 92, 255, 0.28), transparent 70%);
}
.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 var(--kd-space-6); position: relative; z-index: 1; }

/* skip link */
.skip { position: absolute; left: -9999px; top: 0; z-index: var(--kd-z-toast); background: var(--color-accent); color: var(--color-text-on-accent); padding: var(--kd-space-2) var(--kd-space-4); border-radius: var(--radius-control); }
.skip:focus { left: var(--kd-space-4); top: var(--kd-space-4); }

/* -------------------------------------------------------------------------
   Nav
   ------------------------------------------------------------------------- */
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--kd-space-5); padding: var(--kd-space-4) 0; border-bottom: var(--kd-border-hairline) solid var(--color-border); }
.nav__brand { display: inline-flex; align-items: center; }
.nav__brand img { display: block; height: 15px; width: auto; }
.nav__social { display: flex; align-items: center; gap: var(--kd-space-3); font-size: var(--kd-text-sm); }
.nav__social a { color: var(--color-text-muted); text-decoration: none; transition: color var(--kd-duration-normal) var(--kd-ease-out); }
.nav__social a:hover { color: var(--color-accent); }
.nav__social .sep { color: var(--color-text-subtle); }

/* -------------------------------------------------------------------------
   Hero (vertically centered in the 1fr row)
   ------------------------------------------------------------------------- */
.hero-row { display: flex; align-items: center; }
.hero { padding: var(--kd-space-7) 0; }
.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: var(--kd-tracking-tight);
  font-weight: var(--kd-weight-bold);
  margin: var(--kd-space-4) 0 0;
  max-width: 15ch;
}
.hero__accent { color: var(--color-accent); }
.sub { color: var(--color-text-muted); font-size: var(--kd-text-lg); max-width: 50ch; margin: var(--kd-space-5) 0 0; }

.expertise {
  margin-top: var(--kd-space-6);
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: var(--kd-space-3);
  border: var(--kd-border-hairline) solid var(--color-border);
  border-radius: var(--radius-control);
  padding: var(--kd-space-3) var(--kd-space-5);
  font-size: var(--kd-text-sm);
}
.expertise span { color: var(--color-text); font-weight: var(--kd-weight-medium); }
.expertise .dot { color: var(--color-accent-secondary); }

.cta { display: flex; align-items: center; gap: var(--kd-space-5); margin-top: var(--kd-space-7); flex-wrap: wrap; }

/* -------------------------------------------------------------------------
   Value statement (bottom band)
   ------------------------------------------------------------------------- */
.value { border-top: var(--kd-border-hairline) solid var(--color-border); padding: var(--kd-space-5) 0 var(--kd-space-6); }
.value p {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, var(--kd-text-xl));
  line-height: var(--kd-leading-snug);
  letter-spacing: var(--kd-tracking-tight);
  color: var(--color-text);
  max-width: 46ch;
}
.value .accent { color: var(--color-accent); }
.value .q { color: var(--color-accent); }

@media (max-width: 560px) {
  .container { padding: 0 var(--kd-space-5); }
  .nav__brand img { height: 13px; }
  .nav__social { gap: var(--kd-space-2); font-size: var(--kd-text-xs); }
  /* compact the hero so the CTAs always stay on screen */
  .hero { padding: var(--kd-space-2) 0; }
  .hero h1 { font-size: clamp(1.85rem, 8vw, 2.3rem); margin-top: var(--kd-space-2); }
  .sub { font-size: var(--kd-text-sm); margin-top: var(--kd-space-2); }
  /* expertise: one tidy cyan-ruled column — no dangling bullets */
  .expertise {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--kd-space-1);
    width: auto;
    margin-top: var(--kd-space-3);
    border: 0;
    border-left: var(--kd-border-thin) solid var(--color-accent-secondary);
    border-radius: 0;
    padding: var(--kd-space-1) 0 var(--kd-space-1) var(--kd-space-4);
    font-size: var(--kd-text-sm);
  }
  .expertise .dot { display: none; }
  .cta { margin-top: var(--kd-space-4); }
  .cta .kd-btn { flex: 1 1 auto; justify-content: center; --_btn-py: var(--kd-space-3); --_btn-px: var(--kd-space-5); font-size: var(--kd-text-sm); }
  .value { padding: var(--kd-space-3) 0; }
}
@media (max-width: 380px) {
  .nav { flex-wrap: wrap; row-gap: var(--kd-space-3); }
  .nav__social { width: 100%; }
}