/* =====================================================================
   NPSIMS · Base (reset + typography + primitives)
   ===================================================================== */

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

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: var(--lh-base);
  color: var(--ink-1);
  background: var(--surface-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

/* Tabular figures on every number in the UI — cases, badges, timestamps. */
.tabular, table, .num, .stat-value, time {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--fw-semi);
  color: var(--ink-0);
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
}
h1 { font-size: clamp(2rem, 4.4vw, 3.5rem); font-weight: var(--fw-bold); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.25rem); }
h3 { font-size: var(--fs-24); }
h4 { font-size: var(--fs-20); }
h5 { font-size: var(--fs-16); font-weight: var(--fw-semi); }
h6 { font-size: var(--fs-14); font-weight: var(--fw-semi); text-transform: uppercase; letter-spacing: var(--tracking-widest); color: var(--ink-3); }

p { margin: 0 0 var(--s-4); color: var(--ink-2); line-height: var(--lh-base); }

a {
  color: var(--nps-navy-700);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--nps-navy-900); }

img, svg, video { max-width: 100%; display: block; }

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

hr {
  border: 0;
  height: 1px;
  background: var(--border-1);
  margin: var(--s-6) 0;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--nps-gold-300);
  color: var(--nps-navy-900);
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--nps-gold-600);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ---------- Scrollbar (webkit) ---------- */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-2);
  border-radius: var(--r-full);
  border: 2px solid var(--surface-0);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-3); }

/* ---------- Utility classes ---------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter-desktop);
}
@media (max-width: 768px) {
  .container { padding-inline: var(--gutter-mobile); }
}

.stack > * + * { margin-top: var(--s-4); }
.stack-sm > * + * { margin-top: var(--s-2); }
.stack-lg > * + * { margin-top: var(--s-6); }
.stack-xl > * + * { margin-top: var(--s-10); }

.row-flex { display: flex; align-items: center; gap: var(--s-3); }
.row-flex-lg { display: flex; align-items: center; gap: var(--s-6); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); }

.text-eyebrow {
  font-size: var(--fs-12);
  font-weight: var(--fw-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--nps-gold-700);
}
.text-muted { color: var(--ink-3); }
.text-strong { color: var(--ink-0); font-weight: var(--fw-semi); }

.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;
}

.visually-hidden { @extend .sr-only; }

/* ---------- Keyframes ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-ring {
  0%   { transform: scale(0.6); opacity: 0.9; }
  70%  { transform: scale(2.4); opacity: 0; }
  100% { opacity: 0; }
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.25); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@keyframes aurora-shift {
  0%   { transform: translate(0, 0) rotate(0deg); }
  50%  { transform: translate(4%, -6%) rotate(180deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}
@keyframes ticker-slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- Reveal-on-scroll (snappy, seamless) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 260ms var(--ease-out),
              transform 260ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"] { transition-delay: 30ms; }
.reveal[data-delay="2"] { transition-delay: 60ms; }
.reveal[data-delay="3"] { transition-delay: 90ms; }
.reveal[data-delay="4"] { transition-delay: 120ms; }
.reveal[data-delay="5"] { transition-delay: 150ms; }
.reveal[data-delay="6"] { transition-delay: 180ms; }

/* ---------- Skeleton loader ---------- */
.skeleton {
  background: linear-gradient(90deg,
    var(--surface-3) 0%,
    var(--surface-4) 40%,
    var(--surface-3) 80%);
  background-size: 800px 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: var(--r-sm);
}

/* ---------- Accessibility: reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .no-print, nav, .site-header, .site-footer, .fab, .toast { display: none !important; }
  body { background: #FFF !important; color: #000 !important; }
}