/* ============================================================
   OWNARA AI — Base reset & shared primitives
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font);
  font-weight: 400;
  font-size: var(--t-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.08; letter-spacing: -0.018em; color: var(--heading); text-wrap: balance; }
p { text-wrap: pretty; }
strong { font-weight: 600; }

::selection { background: rgba(198, 124, 92, 0.22); color: var(--teal); }
:focus-visible { outline: 2px solid var(--cinnamon); outline-offset: 3px; border-radius: 4px; }

/* ---- One container system ---- */
.shell { width: var(--shell); margin-inline: auto; }

/* ---- Complete Ownara ring mark (brand asset, one object) ---- */
.ownara-mark { width: 100%; height: 100%; object-fit: contain; }
/* seat the mark on a soft light core-disc so all three arcs stay
   readable on dark chapters (prevents the teal arc disappearing) */
.mark-core {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
}
.mark-core img { width: 78%; height: 78%; }
/* soft ANNULUS of light behind the ring only — no bright central orb;
   keeps the complete mark readable on dark grounds without overpowering it */
.mark-core.on-light-disc::before {
  content: "";
  position: absolute; inset: -6%;
  border-radius: 50%;
  background: radial-gradient(circle,
    rgba(245,241,232,0) 24%,
    rgba(253,251,247,0.5) 41%,
    rgba(245,241,232,0.12) 55%,
    rgba(245,241,232,0) 66%);
}

/* ---- Eyebrow / section label ---- */
.eyebrow {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before { content: ""; width: 1.6rem; height: 1px; background: currentColor; opacity: 0.55; }
.eyebrow.is-dark { color: var(--cinnamon-soft); }

/* ---- Buttons (~50px height) ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  min-height: 50px;
  padding: 0 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: var(--t-body);
  line-height: 1;
  letter-spacing: 0.005em;
  transition: background var(--dur-1) var(--ease-out), color var(--dur-1) var(--ease-out),
              border-color var(--dur-1) var(--ease-out), transform var(--dur-1) var(--ease-out),
              box-shadow var(--dur-1) var(--ease-out);
  will-change: transform;
}
.btn .arw { transition: transform var(--dur-1) var(--ease-out); }
.btn:hover { transform: scale(1.015); }
.btn:active { transform: scale(0.995); }
.btn:hover .arw { transform: translateX(3px); }

.btn-primary { background: var(--teal); color: var(--linen-hi); box-shadow: var(--shadow-soft); }
.btn-primary:hover { background: var(--teal-deep); box-shadow: var(--shadow-lift); }

.btn-accent { background: var(--cinnamon); color: #fff; }
.btn-accent:hover { background: var(--cinnamon-deep); }

.btn-ghost { border: 1px solid rgba(18,60,64,0.24); color: var(--teal); background: transparent; }
.btn-ghost:hover { border-color: var(--teal); background: rgba(18,60,64,0.04); }

.btn-link {
  display: inline-flex; align-items: center; gap: 0.55em;
  font-weight: 500; color: var(--teal);
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(18,60,64,0.3);
  transition: border-color var(--dur-1), gap var(--dur-1), color var(--dur-1);
}
.btn-link .arw { transition: transform var(--dur-1) var(--ease-out); }
.btn-link:hover { border-color: var(--cinnamon); gap: 0.8em; }
.btn-link:hover .arw { transform: translateX(3px); }

.on-dark .btn-ghost { border-color: rgba(239,233,220,0.28); color: var(--on-dark); }
.on-dark .btn-ghost:hover { border-color: var(--on-dark); background: rgba(239,233,220,0.06); }
.on-dark .btn-link { color: var(--on-dark); border-color: rgba(239,233,220,0.3); }
.on-dark .btn-link:hover { border-color: var(--cinnamon-soft); }

/* ---- Reveal system ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal="fade"] { transform: none; }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---- Utilities ---- */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.skip-link {
  position: absolute; left: 1rem; top: -3.5rem; z-index: 200;
  background: var(--teal); color: var(--linen-hi);
  padding: 0.6rem 1rem; border-radius: 8px;
  transition: top var(--dur-1) var(--ease-out);
}
.skip-link:focus { top: 1rem; }