/**
 * Acerbo landing — FX layer 2: AI-oriented modern effects.
 * Loaded AFTER landing-theme.css (and after inline page styles).
 * All effects are token-aligned (#7de0e6 cyan / #7a5aa8 violet) and
 * fully disabled under prefers-reduced-motion. JS hooks live in
 * assets/landing-effects.js (particles, typing, glow, count-up,
 * scroll progress, magnetic buttons).
 */

/* ─────────────────────────────────────────────
   1. HERO — neural network canvas over the slides
   ───────────────────────────────────────────── */
.hero-net {
  position: absolute;
  inset: 0;
  z-index: 1; /* above .hero-slide (same level, later in DOM order) */
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.55;
  /* keep the lower-left text zone clean: fade the canvas out there */
  mask-image: linear-gradient(
    to top,
    transparent 0%,
    black 34%
  );
  -webkit-mask-image: linear-gradient(
    to top,
    transparent 0%,
    black 34%
  );
}
@media (max-width: 639px) {
  .hero-net {
    opacity: 0.4;
  }
}

/* ─────────────────────────────────────────────
   2. HERO — terminal typing line (AI console vibe)
   ───────────────────────────────────────────── */
.hero-terminal {
  display: none; /* mobile: hero overlay is tight — keep copy short (AGENTS.md) */
  align-items: baseline;
  gap: 0.5rem;
  max-width: 100%;
  margin: 0 0 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--highlight);
  text-shadow: 0 0 14px rgba(125, 224, 230, 0.45);
  white-space: nowrap;
  overflow: hidden;
}
@media (min-width: 640px) {
  .hero-terminal {
    display: inline-flex;
    font-size: 0.8125rem;
  }
}
.hero-terminal .term-prompt {
  color: var(--highlight-soft);
  font-weight: 500;
}
.hero-terminal .term-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
.hero-terminal .term-caret {
  display: inline-block;
  width: 0.55ch;
  height: 1.05em;
  margin-left: 1px;
  background: var(--highlight);
  box-shadow: 0 0 10px rgba(125, 224, 230, 0.8);
  transform: translateY(0.18em);
  animation: fxCaretBlink 1.05s steps(1) infinite;
}
@keyframes fxCaretBlink {
  0%,
  55% {
    opacity: 1;
  }
  56%,
  100% {
    opacity: 0;
  }
}

/* ─────────────────────────────────────────────
   3. HERO — living gradient on the accent word
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .hero-accent,
  .cluster-hero .accent {
    background-size: 240% 100% !important;
    animation: fxGradientTextDrift 9s ease-in-out infinite alternate;
  }
  @keyframes fxGradientTextDrift {
    0% {
      background-position: 0% 50%;
    }
    100% {
      background-position: 100% 50%;
    }
  }
}

/* ─────────────────────────────────────────────
   4. HERO — Ken Burns drift on the active slide
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .hero-slide img {
    transform: scale(1.001);
  }
  .hero-slide.active img {
    animation: fxKenBurns 7.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }
  @keyframes fxKenBurns {
    from {
      transform: scale(1.001) translate(0, 0);
    }
    to {
      transform: scale(1.055) translate(-0.6%, 0.6%);
    }
  }
  /* Smoother slide crossfade with a slight zoom-out on the incoming slide */
  .hero-slide {
    transition:
      opacity 1.05s cubic-bezier(0.22, 1, 0.36, 1),
      visibility 1.05s;
  }
}

/* ─────────────────────────────────────────────
   5. HERO — entrance with blur-to-sharp on the copy
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .hero-overlay .container {
    animation: fxHeroFadeUpSharp 0.85s cubic-bezier(0.22, 1, 0.36, 1) both !important;
  }
  @keyframes fxHeroFadeUpSharp {
    from {
      opacity: 0;
      transform: translateY(22px);
      filter: blur(7px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
      filter: blur(0);
    }
  }
}

/* ─────────────────────────────────────────────
   6. GLOW CARDS — cursor-tracked spotlight + border beam
   (services, method, cases, fit, cluster cards)
   ───────────────────────────────────────────── */
.card,
.method-step,
.case-card,
.fit-col,
.diff-card,
.cluster-card,
.cluster-step,
.lead-capture-card {
  /* JS feeds --fx-mx / --fx-my (percent) on pointer move */
  background-image: radial-gradient(
    520px circle at var(--fx-mx, 50%) var(--fx-my, -20%),
    rgba(125, 224, 230, var(--fx-glow-alpha, 0)),
    transparent 46%
  );
  background-repeat: no-repeat;
}
@media (hover: hover) and (pointer: fine) {
  .card:hover,
  .method-step:hover,
  .case-card:hover,
  .fit-col:hover,
  .diff-card:hover,
  .cluster-card:hover,
  .cluster-step:hover,
  .lead-capture-card:hover {
    --fx-glow-alpha: 0.075;
  }
  /* Border beam: conic ring revealed through a border-only mask */
  .card::before,
  .method-step::before,
  .case-card::before,
  .fit-col::before,
  .diff-card::before,
  .cluster-card::before,
  .cluster-step::before,
  .lead-capture-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: conic-gradient(
      from var(--fx-angle, 0deg),
      transparent 0deg,
      rgba(125, 224, 230, 0.55) 42deg,
      rgba(168, 245, 181, 0.35) 84deg,
      transparent 140deg
    );
    -webkit-mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s var(--fx-ease-out, ease);
    pointer-events: none;
    z-index: 2;
  }
  .card:hover::before,
  .method-step:hover::before,
  .case-card:hover::before,
  .fit-col:hover::before,
  .diff-card:hover::before,
  .cluster-card:hover::before,
  .cluster-step:hover::before,
  .lead-capture-card:hover::before {
    opacity: 1;
  }
}
/* Cards that need positioning context for the ::before beam */
.method-step,
.case-card,
.fit-col,
.diff-card,
.lead-capture-card {
  position: relative;
}
.method-step,
.fit-col,
.diff-card,
.lead-capture-card {
  overflow: hidden;
}
/* lead-capture-card can be light (main page) or dark (cluster pages):
   cyan tint reads fine on both at very low alpha */
@media (hover: hover) and (pointer: fine) {
  .lead-capture-card:hover {
    --fx-glow-alpha: 0.06;
  }
}

/* ─────────────────────────────────────────────
   7. SCROLL PROGRESS — gradient hairline under header
   ───────────────────────────────────────────── */
.fx-scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  z-index: 70;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--highlight, #7de0e6),
    #5bc8d6 45%,
    var(--accent-violet, #7a5aa8) 85%
  );
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
  box-shadow: 0 0 10px rgba(125, 224, 230, 0.5);
}

/* ─────────────────────────────────────────────
   8. MAGNETIC BUTTONS — subtle pull toward cursor
   ───────────────────────────────────────────── */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .fx-magnetic {
    will-change: transform;
  }
}

/* ─────────────────────────────────────────────
   9. AURORA — drifting ambient blobs on key sections
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  #metodologia,
  #casi-esempio {
    position: relative;
    overflow: hidden;
    isolation: isolate;
  }
  #metodologia::before,
  #casi-esempio::before {
    content: "";
    position: absolute;
    inset: -30% -15%;
    z-index: -1;
    background:
      radial-gradient(
        ellipse 34% 30% at 18% 30%,
        rgba(125, 224, 230, 0.07) 0%,
        transparent 62%
      ),
      radial-gradient(
        ellipse 30% 28% at 84% 68%,
        rgba(122, 90, 168, 0.08) 0%,
        transparent 60%
      ),
      radial-gradient(
        ellipse 24% 22% at 62% 18%,
        rgba(168, 245, 181, 0.045) 0%,
        transparent 58%
      );
    filter: blur(28px);
    animation: fxAuroraDrift 26s ease-in-out infinite alternate;
    pointer-events: none;
  }
  @keyframes fxAuroraDrift {
    0% {
      transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
    }
    50% {
      transform: translate3d(2.5%, -2%, 0) scale(1.06) rotate(1.5deg);
    }
    100% {
      transform: translate3d(-2%, 2.5%, 0) scale(1.03) rotate(-1deg);
    }
  }
}

/* ─────────────────────────────────────────────
   10. COMPARISON TABLE — hover glow on rows
   ───────────────────────────────────────────── */
.comparison-table tbody tr {
  transition: background 0.22s ease;
}
.comparison-table tbody tr:hover td {
  background: rgba(125, 224, 230, 0.055) !important;
}
.comparison-table td:last-child {
  position: relative;
}

/* ─────────────────────────────────────────────
   11. STATS — count-up pop + tick line under active stat
   ───────────────────────────────────────────── */
.stat-item,
.cluster-stat {
  position: relative;
}
.stat-number,
.cluster-stat .n,
.problem-stat,
.cluster-hero .hero-stat {
  font-variant-numeric: tabular-nums;
}
.fx-counted {
  animation: fxCountPop 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes fxCountPop {
  0% {
    transform: translateY(6px);
    filter: blur(3px);
    opacity: 0.4;
  }
  100% {
    transform: translateY(0);
    filter: blur(0);
    opacity: 1;
  }
}

/* ─────────────────────────────────────────────
   12. SECTION HEADINGS — soft rise reveal
   (JS adds .fx-reveal-when-visible / .fx-visible)
   ───────────────────────────────────────────── */
.section .section-title.fx-reveal-when-visible,
.section .section-sub.fx-reveal-when-visible {
  transform: translateY(20px);
  filter: blur(4px);
  transition:
    opacity 0.65s var(--fx-ease-out, ease),
    transform 0.7s var(--fx-ease-out, ease),
    filter 0.6s var(--fx-ease-out, ease);
}
.section .section-title.fx-reveal-when-visible.fx-visible,
.section .section-sub.fx-reveal-when-visible.fx-visible {
  transform: translateY(0);
  filter: blur(0);
}

/* ─────────────────────────────────────────────
   13. CARD LINK ARROWS — nudge on hover
   ───────────────────────────────────────────── */
.card-link,
.insight-cta {
  transition:
    color 0.2s ease,
    transform 0.25s var(--fx-ease-out, ease);
}
@media (hover: hover) {
  .card-link:hover,
  .insight-cta:hover {
    transform: translateX(4px);
  }
}

/* ─────────────────────────────────────────────
   14. HEADER — logo glow pulse on hover
   ───────────────────────────────────────────── */
.logo-img,
.footer-logo-img {
  transition:
    filter 0.3s var(--fx-ease-out, ease),
    transform 0.3s var(--fx-ease-out, ease);
}
@media (hover: hover) {
  .logo:hover .logo-img {
    filter: drop-shadow(0 0 10px rgba(125, 224, 230, 0.55));
    transform: scale(1.04);
  }
  .footer-logo:hover .footer-logo-img {
    filter: drop-shadow(0 0 8px rgba(125, 224, 230, 0.45));
  }
}

/* ─────────────────────────────────────────────
   15. INSIGHT TABS — pill-style active state with glow
   ───────────────────────────────────────────── */
.insight-tab {
  border-radius: var(--radius-pill, 999px) !important;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}
.insight-carousel[data-active="rev"] label[for="acerbo-insight-rev"],
.insight-carousel[data-active="ma"] label[for="acerbo-insight-ma"] {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18);
}

/* ─────────────────────────────────────────────
   16. HERO WEBGL — aurora shader replacing the carousel
   (progressive enhancement: slides stay as fallback)
   ───────────────────────────────────────────── */
.hero-gl {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}
.hero-carousel.fx-webgl-on .hero-slide {
  display: none;
}
.hero-carousel.fx-webgl-on .hero-net {
  display: none;
}

/* ─────────────────────────────────────────────
   17. AGENT TERMINAL — mock AI console (metodologia)
   ───────────────────────────────────────────── */
.agent-terminal-wrap {
  margin-top: 2.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.agent-terminal {
  position: relative;
  overflow: hidden;
  width: min(100%, 46rem);
  background: #0c0c17;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow:
    var(--shadow-md),
    0 0 44px rgba(125, 224, 230, 0.07);
  text-align: left;
  background-image: radial-gradient(
    560px circle at var(--fx-mx, 50%) var(--fx-my, -20%),
    rgba(125, 224, 230, var(--fx-glow-alpha, 0)),
    transparent 48%
  );
  background-repeat: no-repeat;
}
@media (hover: hover) and (pointer: fine) {
  .agent-terminal:hover {
    --fx-glow-alpha: 0.06;
  }
  .agent-terminal::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: conic-gradient(
      from var(--fx-angle, 0deg),
      transparent 0deg,
      rgba(125, 224, 230, 0.55) 42deg,
      rgba(168, 245, 181, 0.35) 84deg,
      transparent 140deg
    );
    -webkit-mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask:
      linear-gradient(#fff 0 0) content-box,
      linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.35s var(--fx-ease-out, ease);
    pointer-events: none;
    z-index: 2;
  }
  .agent-terminal:hover::before {
    opacity: 1;
  }
}
.agent-terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.85rem;
  background: rgba(255, 255, 255, 0.045);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted-foreground);
}
.agent-dots {
  display: inline-flex;
  gap: 0.35rem;
  flex-shrink: 0;
}
.agent-dots i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  opacity: 0.85;
}
.agent-dots i:nth-child(1) {
  background: #e36b6b;
}
.agent-dots i:nth-child(2) {
  background: #e8a55c;
}
.agent-dots i:nth-child(3) {
  background: #a8f5b5;
}
.agent-terminal-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.agent-terminal-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--highlight);
  letter-spacing: 0.1em;
  font-weight: 500;
  flex-shrink: 0;
}
.agent-terminal-live i {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--highlight-soft);
  box-shadow: 0 0 8px rgba(168, 245, 181, 0.9);
}
@media (prefers-reduced-motion: no-preference) {
  .agent-terminal-live i {
    animation: fxLivePulse 1.6s ease-in-out infinite;
  }
}
@keyframes fxLivePulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
.agent-terminal-body {
  position: relative;
  padding: 0.95rem 1.05rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.8;
  min-height: 12.4em;
  overflow: hidden;
}
@media (min-width: 640px) {
  .agent-terminal-body {
    font-size: 0.78rem;
  }
}
.agent-terminal-body::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.022) 0 1px,
    transparent 1px 3px
  );
}
.agent-line {
  white-space: pre-wrap;
  word-break: break-word;
}
.tok-cmd {
  color: #b9f3f6;
}
.tok-ok {
  color: rgba(255, 255, 255, 0.66);
}
.tok-warn {
  color: var(--accent-amber, #e8a55c);
}
.agent-caret {
  display: inline-block;
  width: 0.55ch;
  height: 1em;
  margin-left: 1px;
  background: var(--highlight);
  box-shadow: 0 0 8px rgba(125, 224, 230, 0.8);
  transform: translateY(0.15em);
  animation: fxCaretBlink 1.05s steps(1) infinite;
}
.agent-caption {
  margin: 0.85rem 0 0;
  font-size: 0.75rem;
  color: var(--text-on-dark-subtle);
  text-align: center;
  max-width: 40rem;
}

/* ─────────────────────────────────────────────
   18. PARTNERS MARQUEE — seamless infinite scroll
   (built by JS; absent under reduced motion)
   ───────────────────────────────────────────── */
.partners-marquee-viewport {
  overflow: hidden;
  mask-image: linear-gradient(
    90deg,
    transparent,
    #000 9%,
    #000 91%,
    transparent
  );
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    #000 9%,
    #000 91%,
    transparent
  );
}
.partners-strip.fx-marquee {
  flex-wrap: nowrap !important;
  justify-content: flex-start !important;
  overflow: visible !important;
  scroll-snap-type: none;
  width: max-content;
  max-width: none;
  will-change: transform;
  animation: partnersMarqueeScroll 38s linear infinite;
}
.partners-marquee-viewport:hover .partners-strip.fx-marquee,
.partners-marquee-viewport:focus-within .partners-strip.fx-marquee {
  animation-play-state: paused;
}
@keyframes partnersMarqueeScroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

/* ─────────────────────────────────────────────
   REDUCED MOTION — neutralise every FX-2 animation
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .hero-net,
  .hero-gl {
    display: none;
  }
  .hero-terminal .term-caret,
  .agent-caret {
    animation: none;
  }
  .hero-slide.active img {
    animation: none;
    transform: none;
  }
  #metodologia::before,
  #casi-esempio::before {
    display: none;
  }
  .fx-counted {
    animation: none;
  }
  .section .section-title.fx-reveal-when-visible,
  .section .section-sub.fx-reveal-when-visible {
    filter: none;
  }
  .card::before,
  .method-step::before,
  .case-card::before,
  .fit-col::before,
  .diff-card::before,
  .cluster-card::before,
  .cluster-step::before,
  .lead-capture-card::before,
  .agent-terminal::before {
    display: none;
  }
  .card,
  .method-step,
  .case-card,
  .fit-col,
  .diff-card,
  .cluster-card,
  .cluster-step,
  .lead-capture-card,
  .agent-terminal {
    background-image: none;
  }
}