/* ─────────────────────────────────────────────────────────────
 * Base — shared keyframes, utilities, micro-interactions
 * Used across multiple sections. Section-specific overrides
 * belong in the respective section .css file.
 * ───────────────────────────────────────────────────────────── */

/* ── Shared keyframes ─────────────────────────────────────── */

@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes eyebrow-shimmer {
  0%   { background-position:  200% center; }
  100% { background-position: -200% center; }
}

.section-eyebrow {
  background: linear-gradient(
    90deg,
    rgba(100,116,139,1) 0%,
    rgba(100,116,139,1) 25%,
    rgba(129,140,248,1) 50%,
    rgba(100,116,139,1) 75%,
    rgba(100,116,139,1) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  animation: eyebrow-shimmer 5s linear infinite;
}

/* ── Utility layer ─────────────────────────────────────────── */

@layer utilities {
  .max-w-5xl { max-width: 64rem; }
  .max-w-lg  { max-width: 32rem; }
  .max-w-sm  { max-width: 24rem; }
}

/* ── Micro-interactions ────────────────────────────────────── */

/* Shared press-scale — Emil: buttons must feel responsive, 100-160ms */
.btn-press:active,
.pill-press:active {
  transform: scale(0.97);
  transition: transform 100ms ease-out;
}

/* Hover lift — subtle card elevation */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}
.hover-lift:active {
  transform: translateY(-1px) scale(0.98);
  transition: transform 100ms ease-out;
}

/* CTA glow pulse */
@keyframes cta-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.2); }
  50%      { box-shadow: 0 0 32px rgba(99, 102, 241, 0.4); }
}
.cta-glow {
  animation: cta-glow 3s ease-in-out infinite;
}
.cta-glow:hover {
  animation-duration: 1.5s;
}

/* Arrow slide — for CTA arrows */
@keyframes arrow-slide {
  0%   { transform: translateX(0); opacity: 1; }
  50%  { transform: translateX(4px); opacity: 0; }
  51%  { transform: translateX(-4px); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}
.arrow-slide {
  display: inline-block;
}
.group:hover .arrow-slide {
  animation: arrow-slide 0.4s ease;
}

/* Shipped pill arrow — slide + fade on hover */
.arrow-span {
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 150ms ease, transform 200ms ease;
}
a.group:hover .arrow-span {
  opacity: 1 !important;
  transform: translateX(2px);
}

/* Badge shine — corner accent sweep on hover */
@keyframes badge-shine {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.badge-shine {
  background: linear-gradient(
    120deg,
    transparent 0%,
    transparent 30%,
    rgba(255,255,255,0.08) 45%,
    rgba(255,255,255,0.15) 50%,
    rgba(255,255,255,0.08) 55%,
    transparent 70%,
    transparent 100%
  );
  background-size: 200% auto;
  background-repeat: no-repeat;
}
.badge-shine:hover {
  animation: badge-shine 0.8s ease forwards;
}

/* Shimmer on CTA button hover */
@keyframes btn-shimmer {
  from { background-position: 200% center; }
  to   { background-position: -200% center; }
}

/* ── Scroll-triggered reveals ──────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-group > * {
  opacity: 0;
  transform: translateY(20px);
}
.reveal-group.is-visible > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-group.is-visible > *:nth-child(2) { transition-delay: 0.06s; }
.reveal-group.is-visible > *:nth-child(3) { transition-delay: 0.12s; }
.reveal-group.is-visible > *:nth-child(4) { transition-delay: 0.18s; }
.reveal-group.is-visible > *:nth-child(5) { transition-delay: 0.24s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
}
.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
}
.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
}
.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger {
  opacity: 0;
  transform: translateY(20px);
}
.reveal-stagger.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Scroll progress bar ──────────────────────────────────── */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, rgba(129,140,248,0.6), rgba(129,140,248,1));
  z-index: 100;
  pointer-events: none;
  transition: width 0.1s linear;
}

/* ── Misc globals ──────────────────────────────────────────── */

html {
  scroll-behavior: smooth;
}

/* ── Reduced motion — base overrides ──────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .hover-lift:hover { transform: none; box-shadow: none; }
  .cta-glow { animation: none; }
  .badge-shine:hover { animation: none; }
  .group:hover .arrow-slide { animation: none; }
  .reveal, .reveal-group > *,
  .reveal-left, .reveal-right, .reveal-scale, .reveal-stagger {
    opacity: 1; transform: none;
  }
  .reveal.is-visible, .reveal-group.is-visible > *,
  .reveal-left.is-visible, .reveal-right.is-visible,
  .reveal-scale.is-visible, .reveal-stagger.is-visible {
    transition: none;
  }
  .scroll-progress { display: none; }
  html { scroll-behavior: auto; }
  .section-eyebrow { animation: none; }
}