/* Modern UI kit — motion + treatments that aren't worth inlining.
   Tokens come from the design system (styles.css). */

.mtd-modern {
  background: var(--surface-page);
  color: var(--text-body);
  font-family: var(--font-body);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Aurora glow field, fixed behind everything */
.mtd-aurora {
  position: fixed;
  inset: -10% -10% auto -10%;
  height: 90vh;
  background: var(--grad-aurora);
  filter: blur(8px);
  z-index: 0;
  pointer-events: none;
  animation: aurora-drift 22s ease-in-out infinite alternate;
}
@keyframes aurora-drift {
  0%   { transform: translate3d(0,0,0) scale(1); opacity: .9; }
  100% { transform: translate3d(0,-3%,0) scale(1.08); opacity: 1; }
}

/* subtle film grain / vignette to add depth */
.mtd-vignette {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 0%, transparent 55%, rgba(0,0,0,.45) 100%);
}

.mtd-modern > *:not(.mtd-aurora):not(.mtd-vignette) { position: relative; z-index: 1; }

/* ---- Gradient display type ---- */
.mtd-gradient-text {
  background: var(--grad-display);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: grad-pan 8s ease-in-out infinite alternate;
}
@keyframes grad-pan {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

/* ---- Mono eyebrow ---- */
.mtd-eyebrow {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--accent-cyan);
  text-transform: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.mtd-eyebrow::before {
  content: "";
  width: 1.75rem; height: 1px;
  background: var(--grad-cyan-green);
}

/* ---- Glass chrome ---- */
.mtd-glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

/* ---- Cards ---- */
.mtd-card {
  background: linear-gradient(180deg, var(--surface-raised), var(--surface-card));
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--elev-1);
  transition: transform var(--dur-fast) var(--ease-out-soft),
              box-shadow var(--dur-fast) var(--ease-out-soft),
              border-color var(--dur-fast) var(--ease-out-soft);
  will-change: transform;
}
.mtd-card:hover {
  transform: var(--lift);
  box-shadow: var(--glow-purple), var(--elev-2);
  border-color: transparent;
}
.mtd-card:hover .mtd-card-img { filter: grayscale(0%); transform: scale(1.05); }
.mtd-card-img {
  filter: var(--img-grayscale);
  transition: filter var(--dur-normal) var(--ease-out-soft), transform var(--dur-normal) var(--ease-out-soft);
}

/* feature card glows cyan instead */
.mtd-feature:hover { box-shadow: var(--glow-cyan), var(--elev-3); }

/* ---- Scroll/entrance reveal — pure CSS, always ends visible ---- */
.mtd-reveal {
  animation: mtd-reveal-in var(--dur-reveal) var(--ease-out-soft) both;
}
@keyframes mtd-reveal-in {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
.mtd-reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .mtd-aurora, .mtd-gradient-text { animation: none; }
  .mtd-reveal { animation: none; opacity: 1; transform: none; }
  .mtd-card { transition: none; }
}

/* ---- Pills / meta ---- */
.mtd-pill {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--text-subtle);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-pill);
  padding: .2rem .6rem;
  white-space: nowrap;
  background: rgba(255,255,255,.02);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.mtd-pill:hover { color: var(--accent-cyan); border-color: var(--accent-cyan); }

/* link underline sweep */
.mtd-link {
  color: var(--link);
  text-decoration: none;
  background-image: linear-gradient(var(--link-hover), var(--link-hover));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left 100%;
  transition: background-size var(--dur-fast) var(--ease-out-soft), color var(--dur-fast);
  padding-bottom: 2px;
}
.mtd-link:hover { color: var(--link-hover); background-size: 100% 2px; }

/* gradient hairline divider */
.mtd-rule {
  height: 1px; border: 0;
  background: var(--grad-hairline);
  opacity: .5;
}

/* button shine on hover handled inline; key reveal of CTA row */
.mtd-blink { animation: blink 1.2s steps(2,start) infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ---- Responsive collapses ---- */
@media (max-width: 860px) {
  .mtd-hero-grid { grid-template-columns: 1fr !important; }
  [data-mtd-feature] { grid-template-columns: 1fr !important; }
  [data-mtd-feature] > div:first-child { min-height: 14rem !important; }
}