/* ============================================================
   RIS landing page — scoped styles for the scroll-jacked intro
   and mock-data widgets. Loaded after styles.css, only on ris.html.
   ============================================================ */
:root {
  --ris-red: #ff3b3b;
}

.ris-body { overflow-x: hidden; }

/* ---------- shared scene shell ---------- */
.ris-scene {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(80% 60% at 50% 30%, rgba(255,255,255,0.04), transparent 70%), var(--bg);
}

/* widgets accumulate top-to-bottom and can grow taller than one viewport —
   this scene needs to grow with them, not clip like the fixed-height Sect 1 */
.ris-scene--widgets {
  height: auto;
  min-height: 100svh;
  overflow: visible;
  padding-block: 3rem;
}

.ris-scene__inner {
  width: 100%;
  max-width: var(--maxw);
  padding-inline: 24px;
  margin-inline: auto;
  text-align: center;
}

/* ---------- sect 1: RIS reveal ---------- */
.ris-title {
  position: relative;
  margin: 0;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.01em;
  min-height: clamp(2.2rem, 8vw, 5.6rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ris-letters {
  display: inline-flex;
  white-space: pre;
}

.ris-letters .ris-l {
  display: inline-block;
  font-size: clamp(1.1rem, 5vw, 3.4rem);
  color: var(--ris-red);
  transform-origin: 0 0;
  will-change: transform, opacity;
}

.ris-letters .ris-l--core {
  position: relative;
  z-index: 2;
}

@media (max-width: 560px) {
  .ris-letters { white-space: normal; text-align: center; justify-content: center; flex-wrap: wrap; }
}

/* Invisible reference layout used only to measure where the big "RIS" letters
   should land — never shown itself; the real letters (.ris-l--core) transform
   to match these positions/sizes. */
.ris-target {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}

.ris-target__l {
  display: inline-block;
  font-size: clamp(3.2rem, 15vw, 9.5rem);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.ris-hint {
  margin-top: 2.2rem;
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ---------- sect 2: widget stack ---------- */
.ris-scene--widgets .ris-widgets__inner {
  max-width: 680px;
}

.ris-scene--widgets .eyebrow {
  display: inline-block;
  margin-bottom: 1.4rem;
}

.ris-widget-stack {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

/* all 5 sit in normal flow (not stacked on top of each other) so they can
   accumulate visibly without overlapping/bleeding into one another */
.ris-widget {
  opacity: 0;
  transform: translateY(28px);
  pointer-events: none;
  transition: opacity 0.6s cubic-bezier(.16,.8,.24,1), transform 0.6s cubic-bezier(.16,.8,.24,1);
}

.ris-widget.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.ris-widget__card {
  padding: 1rem 1.2rem;
  text-align: left;
  position: relative;
}

.ris-widget__num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--faint);
  letter-spacing: 0.08em;
}

.ris-widget__card h3 {
  margin: 0.3rem 0 0.75rem;
  font-size: 1rem;
}

/* widget 1 */
.ris-io-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; }
.ris-io { display: flex; flex-direction: column; gap: 0.35rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.7rem 0.6rem; }
.ris-io__label { font-size: 0.7rem; color: var(--faint); }
.ris-io__chip { font-size: 0.78rem; color: var(--accent); }
.ris-io__chip.warn { color: var(--bad); }

/* widget 2 & 4 lists */
.ris-data-list, .ris-check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.ris-data-list li, .ris-check-list li { display: flex; align-items: center; justify-content: space-between; font-size: 0.82rem; color: var(--muted); border-bottom: 1px solid var(--border); padding-bottom: 0.55rem; }
.ris-data-list li:last-child, .ris-check-list li:last-child { border-bottom: none; padding-bottom: 0; }
.ris-data-list b { color: var(--text); }
.ris-check-list__active { opacity: 0.85; }

/* widget 3 */
.ris-gap { display: flex; flex-direction: column; gap: 0.6rem; }
.ris-gap__bar { display: flex; align-items: center; gap: 0.7rem; }
.ris-gap__label { width: 74px; font-size: 0.72rem; color: var(--faint); flex: none; }
.ris-gap__delta { margin-top: 0.3rem; color: var(--bad); font-size: 0.82rem; }

/* widget 5 */
.ris-widget__card--rec { border-color: rgba(52,227,200,0.35); }
.ris-rec__cause { color: var(--faint); font-size: 0.76rem; margin: 0 0 0.4rem; }
.ris-rec__fix { margin: 0 0 1rem; font-size: 0.98rem; }
.ris-rec__btn { pointer-events: none; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .ris-letters .ris-l { transition: none; }
}

/* ---------- small screens: scale hero title down further, stack io row ---------- */
@media (max-width: 640px) {
  .ris-io-row { grid-template-columns: 1fr; }
}

/* ---------- admin test console (internal use only) ---------- */
.ris-admin-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: rgba(5,6,10,0.7);
  color: var(--faint);
  font-size: 1rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
}
.ris-admin-btn:hover { color: var(--text); border-color: var(--accent); }

.ris-admin-overlay[hidden] { display: none; }
.ris-admin-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(2,3,6,0.72);
  padding: 24px;
}

.ris-admin-gate {
  width: 100%;
  max-width: 280px;
  padding: 1.4rem;
  text-align: center;
}
.ris-admin-gate h3 { margin: 0 0 0.9rem; }
.ris-admin-gate__actions { display: flex; gap: 0.6rem; justify-content: center; margin-top: 0.9rem; }
.ris-admin-gate__err { color: var(--bad); font-size: 0.8rem; margin: 0.7rem 0 0; }

.ris-admin-input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-2);
  background: rgba(0,0,0,0.3);
  color: var(--text);
  font-size: 15px;
  font-family: var(--sans);
}

.ris-admin-textarea {
  border-radius: var(--radius-sm);
  resize: none;
  line-height: 1.4;
  max-height: 160px;
  overflow-y: auto;
}

.ris-admin-panel {
  width: 100%;
  max-width: 640px;
  height: min(680px, 88vh);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.ris-admin-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  flex: none;
}
.ris-admin-panel__head h3 { margin: 0; font-size: 1rem; }

.ris-admin-close {
  background: none;
  border: none;
  color: var(--faint);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}
.ris-admin-close:hover { color: var(--text); }

.ris-admin-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.ris-admin-msg { display: flex; flex-direction: column; gap: 0.35rem; max-width: 88%; }
.ris-admin-msg--user { align-self: flex-end; align-items: flex-end; }
.ris-admin-msg--answer { align-self: flex-start; align-items: flex-start; }

.ris-admin-bubble {
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.45;
  white-space: pre-wrap;
}
.ris-admin-msg--user .ris-admin-bubble { background: rgba(52,227,200,0.14); color: var(--text); }
.ris-admin-msg--answer .ris-admin-bubble { background: var(--surface); border: 1px solid var(--border); color: var(--muted); }
.ris-admin-msg--answer .ris-admin-bubble b { color: var(--text); }

.ris-admin-copy {
  background: none;
  border: 1px solid var(--border-2);
  color: var(--faint);
  font-size: 0.68rem;
  font-family: var(--mono);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
}
.ris-admin-copy:hover { color: var(--text); border-color: var(--accent); }
.ris-admin-copy.is-copied { color: var(--accent); border-color: var(--accent); }

.ris-admin-form {
  flex: none;
  display: flex;
  gap: 0.6rem;
  padding: 1rem 1.2rem;
  border-top: 1px solid var(--border);
}
.ris-admin-form .ris-admin-input { flex: 1; }

@media (max-width: 560px) {
  .ris-admin-panel { height: 100%; max-width: 100%; }
}