/*
  Frakthubben Experience Alpha
  Fas 6: rörelse, övergångar och visuellt djup

  Principer:
  - Rörelse ska förklara hierarki och skapa fokus.
  - Animationer ska vara diskreta och snabba.
  - Inget viktigt innehåll får vara beroende av JavaScript.
*/

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translate3d(0, 1.25rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float-softly {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -0.45rem, 0); }
}

@keyframes pulse-ring {
  0% {
    opacity: 0.55;
    transform: scale(0.88);
  }
  70% {
    opacity: 0;
    transform: scale(1.18);
  }
  100% {
    opacity: 0;
    transform: scale(1.18);
  }
}

@keyframes ambient-shift {
  0%, 100% { transform: translate3d(-3%, -2%, 0) scale(1); }
  50% { transform: translate3d(3%, 2%, 0) scale(1.08); }
}

@keyframes route-dash {
  to { stroke-dashoffset: -40; }
}

/* Initial page entrance */
.hero__content > * {
  animation: fade-up var(--duration-slow) var(--ease-out) both;
}

.hero__content > :nth-child(1) { animation-delay: 40ms; }
.hero__content > :nth-child(2) { animation-delay: 100ms; }
.hero__content > :nth-child(3) { animation-delay: 170ms; }
.hero__content > :nth-child(4) { animation-delay: 240ms; }
.hero__content > :nth-child(5) { animation-delay: 310ms; }

.hero__visual {
  animation: fade-in 800ms var(--ease-out) 180ms both;
}

/* Ambient hero motion */
.hero-network-placeholder {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  animation: float-softly 7s ease-in-out infinite;
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.hero-network-placeholder::before,
.hero-network-placeholder::after {
  position: absolute;
  z-index: -1;
  width: 15rem;
  height: 15rem;
  border-radius: 50%;
  content: "";
  filter: blur(1px);
  pointer-events: none;
}

.hero-network-placeholder::before {
  top: -5rem;
  right: -4rem;
  background: radial-gradient(circle, rgba(243, 106, 29, 0.23), transparent 68%);
  animation: ambient-shift 10s ease-in-out infinite;
}

.hero-network-placeholder::after {
  bottom: -6rem;
  left: -5rem;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.22), transparent 68%);
  animation: ambient-shift 12s ease-in-out 1.5s infinite reverse;
}

.hero-network-placeholder:hover {
  transform: translate3d(0, -0.35rem, 0) scale(1.01);
  box-shadow: var(--shadow-lg);
}

/* Buttons and links */
.button,
.site-nav a,
.brand,
.need-option,
.faq-list summary,
.dialog__close {
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0) scale(0.985);
}

.site-nav a:hover,
.brand:hover {
  transform: translateY(-1px);
}

/* Cards */
.feature-card,
.diagnostic-card,
.experience-grid > *,
.next-step-card,
.partner-level-grid > *,
.case-study,
.faq-list details {
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    background-color var(--duration-normal) var(--ease-out);
}

.feature-card:hover,
.diagnostic-card:hover,
.experience-grid > *:hover,
.next-step-card:hover,
.partner-level-grid > *:hover {
  transform: translateY(-0.35rem);
  box-shadow: var(--shadow-md);
}

.feature-card:hover,
.diagnostic-card:hover,
.experience-grid > *:hover,
.partner-level-grid > *:hover {
  border-color: rgba(47, 107, 255, 0.28);
}

.next-step-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

/* Needs selector */
.need-option:hover {
  transform: translateY(-2px);
  border-color: rgba(243, 106, 29, 0.46);
  box-shadow: var(--shadow-sm);
}

.need-option[aria-pressed="true"] {
  transform: translateY(-1px);
}

/* FAQ */
.faq-list summary:hover {
  color: var(--color-brand-orange);
}

.faq-list details[open] {
  box-shadow: var(--shadow-sm);
}

.faq-list summary::after {
  transition:
    transform var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.faq-list details[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
  background: var(--color-brand-orange);
  color: #fff;
}

/* Technology flow */
.technology-flow > * {
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out);
}

.technology-flow > *:hover {
  transform: translateY(-0.25rem);
  border-color: rgba(47, 107, 255, 0.34);
  box-shadow: var(--shadow-sm);
}

/* Value chain */
.value-chain li {
  transition:
    transform var(--duration-normal) var(--ease-out),
    background-color var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.value-chain li:hover {
  transform: translateY(-0.25rem);
  border-color: rgba(243, 106, 29, 0.38);
  box-shadow: var(--shadow-sm);
}

/* Dialogs */
.dialog[open] {
  animation: fade-up 260ms var(--ease-out) both;
}

.dialog::backdrop {
  animation: fade-in 220ms ease-out both;
}

/* Header refinement */
.site-header {
  transition:
    background-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out);
}

/* Future scroll-reveal support. These classes will be toggled by js/animations.js. */
.reveal-ready {
  opacity: 0;
  transform: translate3d(0, 1.25rem, 0);
}

.reveal-ready.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    opacity 680ms var(--ease-out),
    transform 680ms var(--ease-out);
}

/* Optional stagger hook for groups */
[data-reveal-group] > .reveal-ready:nth-child(2) { transition-delay: 70ms; }
[data-reveal-group] > .reveal-ready:nth-child(3) { transition-delay: 140ms; }
[data-reveal-group] > .reveal-ready:nth-child(4) { transition-delay: 210ms; }
[data-reveal-group] > .reveal-ready:nth-child(5) { transition-delay: 280ms; }
[data-reveal-group] > .reveal-ready:nth-child(6) { transition-delay: 350ms; }

/* Motion accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-ready {
    opacity: 1;
    transform: none;
  }
}

/* Fas 8: JavaScript-styrda scroll- och mikroanimationer */
.animations-enabled .reveal-ready {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) var(--reveal-delay, 0ms),
    transform 700ms var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.animations-enabled .reveal-ready.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.hero-network-placeholder {
  transform: translate3d(var(--pointer-x, 0), var(--pointer-y, 0), 0);
}

.value-chain > li {
  transition:
    opacity 500ms var(--ease-standard),
    transform 500ms var(--ease-standard),
    border-color 500ms var(--ease-standard),
    background-color 500ms var(--ease-standard);
}

.animations-enabled .value-chain:not(.is-active) > li {
  opacity: 0.55;
  transform: translateY(8px);
}

.animations-enabled .value-chain.is-active > li {
  animation: chainStepIn 520ms var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) both;
  animation-delay: calc(var(--chain-index, 0) * 90ms);
}

@keyframes chainStepIn {
  from {
    opacity: 0.55;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .animations-enabled .reveal-ready,
  .animations-enabled .reveal-ready.is-revealed,
  .animations-enabled .value-chain:not(.is-active) > li,
  .animations-enabled .value-chain.is-active > li,
  .hero-network-placeholder {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }
}