/**
 * Bizwy Enterprise Motion Design System
 * Premium, subtle motion — SAP × Salesforce × Apple
 * Respects prefers-reduced-motion
 */

:root {
  --motion-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --motion-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --motion-duration-xs: 150ms;
  --motion-duration-sm: 250ms;
  --motion-duration-md: 450ms;
  --motion-duration-lg: 700ms;
  --motion-duration-xl: 900ms;
  --motion-distance: 24px;
  --motion-stagger: 80ms;
}

/* —— Page loader —— */
html.bizwy-is-loading {
  overflow: hidden;
}

html.bizwy-is-loading body {
  overflow: hidden;
}

.bizwy-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bizwy-navy);
  transition: opacity var(--motion-duration-md) var(--motion-ease-out),
    visibility var(--motion-duration-md) var(--motion-ease-out);
}

.bizwy-loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.bizwy-loader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.bizwy-loader__logo {
  width: 140px;
  height: auto;
  opacity: 0;
  transform: scale(0.96);
  animation: motionLogoReveal 1s var(--motion-ease-out) forwards;
}

.bizwy-loader__line {
  width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 1px;
  overflow: hidden;
}

.bizwy-loader__line span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--bizwy-blue), var(--bizwy-yellow));
  animation: motionLoaderLine 1.2s var(--motion-ease-out) forwards;
}

@keyframes motionLogoReveal {
  0% {
    opacity: 0;
    transform: scale(0.96);
  }
  60% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes motionLoaderLine {
  to {
    width: 100%;
  }
}

/* —— Page transitions —— */
html.bizwy-page-exit #main-content,
html.bizwy-page-exit main {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--motion-ease-out), transform 400ms var(--motion-ease-out);
}

#main-content,
body > main {
  opacity: 0;
  transform: translateY(16px);
}

html.bizwy-page-ready #main-content,
html.bizwy-page-ready body > main {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 450ms var(--motion-ease-out), transform 450ms var(--motion-ease-out);
}

/* —— Scroll reveal presets —— */
.motion-hidden {
  opacity: 0;
  transform: translateY(var(--motion-distance));
}

.motion-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--motion-duration-lg) var(--motion-ease-out),
    transform var(--motion-duration-lg) var(--motion-ease-out);
  transition-delay: var(--motion-delay, 0ms);
}

.motion-fade.motion-hidden {
  transform: none;
}

.motion-scale.motion-hidden {
  transform: scale(0.98);
  opacity: 0;
}

.motion-scale.motion-visible {
  transform: scale(1);
}

/* Hero sequence */
.motion-hero-item {
  opacity: 0;
  transform: translateY(28px);
}

html.bizwy-hero-ready .motion-hero-item {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--motion-duration-xl) var(--motion-ease-out),
    transform var(--motion-duration-xl) var(--motion-ease-out);
}

.motion-hero-item[data-delay="1"] { transition-delay: 100ms; }
.motion-hero-item[data-delay="2"] { transition-delay: 200ms; }
.motion-hero-item[data-delay="3"] { transition-delay: 320ms; }
.motion-hero-item[data-delay="4"] { transition-delay: 440ms; }
.motion-hero-item[data-delay="5"] { transition-delay: 560ms; }

.motion-hero-visual {
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 1s var(--motion-ease-out), transform 1s var(--motion-ease-out);
  transition-delay: 200ms;
}

html.bizwy-hero-ready .motion-hero-visual {
  opacity: 1;
  transform: scale(1);
}

/* —— Header glass on scroll —— */
.site-header {
  transition: background var(--motion-duration-sm) var(--motion-ease-out),
    box-shadow var(--motion-duration-sm) var(--motion-ease-out),
    border-color var(--motion-duration-sm) var(--motion-ease-out),
    backdrop-filter var(--motion-duration-sm) var(--motion-ease-out);
}

body.header-is-scrolled .site-header,
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  box-shadow: 0 4px 30px rgba(10, 22, 40, 0.08);
}

.bizwy-home.header-is-scrolled .site-header,
.bizwy-home .site-header.is-scrolled {
  background: rgba(10, 22, 40, 0.9) !important;
  backdrop-filter: blur(20px) saturate(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(1.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}

/* —— Buttons —— */
.btn,
.product-card-link {
  transition: transform var(--motion-duration-xs) var(--motion-ease-out),
    box-shadow var(--motion-duration-xs) var(--motion-ease-out),
    background var(--motion-duration-xs) var(--motion-ease-out),
    border-color var(--motion-duration-xs) var(--motion-ease-out),
    color var(--motion-duration-xs) var(--motion-ease-out);
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(10, 22, 40, 0.12);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

/* —— Product & enterprise cards —— */
.product-card,
.card:not(.form-status) {
  transition: transform var(--motion-duration-sm) var(--motion-ease-out),
    box-shadow var(--motion-duration-sm) var(--motion-ease-out),
    border-color var(--motion-duration-sm) var(--motion-ease-out);
}

.product-card:hover,
.card:not(.form-status):hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.ai-card {
  transition: transform var(--motion-duration-sm) var(--motion-ease-out),
    background var(--motion-duration-sm) var(--motion-ease-out),
    border-color var(--motion-duration-sm) var(--motion-ease-out),
    box-shadow var(--motion-duration-sm) var(--motion-ease-out);
}

.ai-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* —— Industry / media hover —— */
.motion-media,
.home-platform-trust__hero picture,
.industry-media {
  overflow: hidden;
}

.motion-media img,
.home-platform-trust__hero img,
.industry-media img {
  transition: transform 0.6s var(--motion-ease-out), opacity 0.5s var(--motion-ease-out);
}

.motion-media:hover img,
.industry-media:hover img {
  transform: scale(1.04);
}

.motion-media__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0);
  transition: background 0.5s var(--motion-ease-out);
  pointer-events: none;
}

.motion-media:hover .motion-media__overlay {
  background: rgba(10, 22, 40, 0.08);
}

/* —— Platform visualization —— */
.home-iep__flow-lines span {
  animation: motionFlowPulse 4s var(--motion-ease-in-out) infinite;
}

.home-iep__flow-lines span:nth-child(2) { animation-delay: 0.6s; }
.home-iep__flow-lines span:nth-child(3) { animation-delay: 1.2s; }

.home-iep__bars span {
  animation: motionBarGrow 2.5s var(--motion-ease-out) infinite alternate;
}

.home-iep__bars span:nth-child(2) { animation-delay: 0.3s; }
.home-iep__bars span:nth-child(3) { animation-delay: 0.6s; }
.home-iep__bars span:nth-child(4) { animation-delay: 0.9s; }
.home-iep__bars span:nth-child(5) { animation-delay: 1.2s; }

@keyframes motionFlowPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes motionBarGrow {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

/* —— AI ambient —— */
.home-ai,
.ai-section {
  position: relative;
}

.home-ai::before,
.ai-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 30%, rgba(0, 111, 192, 0.12) 0%, transparent 60%);
  animation: motionAmbientDrift 12s ease-in-out infinite alternate;
  pointer-events: none;
}

.home-ai .home-ai__visual::after,
.ai-section .ai-visual::after {
  content: "";
  position: absolute;
  inset: 20%;
  border: 1px solid rgba(0, 111, 192, 0.2);
  border-radius: 2px;
  animation: motionAiPulse 5s var(--motion-ease-in-out) infinite;
  pointer-events: none;
}

@keyframes motionAmbientDrift {
  from { transform: translate(0, 0); opacity: 0.6; }
  to { transform: translate(2%, -1%); opacity: 1; }
}

@keyframes motionAiPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.02); }
}

/* —— Ambient background (hero) —— */
.motion-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.motion-ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: motionOrbFloat 18s ease-in-out infinite alternate;
}

.motion-ambient__orb--1 {
  width: 40%;
  height: 40%;
  top: 10%;
  right: 10%;
  background: var(--bizwy-blue);
}

.motion-ambient__orb--2 {
  width: 30%;
  height: 30%;
  bottom: 20%;
  left: 5%;
  background: var(--bizwy-yellow);
  animation-delay: -6s;
  opacity: 0.08;
}

@keyframes motionOrbFloat {
  from { transform: translate(0, 0); }
  to { transform: translate(-3%, 4%); }
}

/* —— Count-up metrics —— */
.motion-count {
  font-variant-numeric: tabular-nums;
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-duration-xs: 0ms;
    --motion-duration-sm: 0ms;
    --motion-duration-md: 0ms;
    --motion-duration-lg: 0ms;
    --motion-duration-xl: 0ms;
    --motion-distance: 0px;
  }

  .bizwy-loader__logo,
  .bizwy-loader__line span {
    animation: none;
    opacity: 1;
    width: 100%;
    transform: none;
  }

  .bizwy-loader.is-done {
    transition-duration: 0ms;
  }

  .motion-hidden,
  .motion-hero-item,
  .motion-hero-visual,
  #main-content,
  body > main {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  html.bizwy-page-exit #main-content,
  html.bizwy-page-exit main {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .product-card:hover,
  .card:hover,
  .ai-card:hover,
  .btn:hover {
    transform: none;
  }

  .home-iep__flow-lines span,
  .home-iep__bars span,
  .motion-ambient__orb,
  .home-ai::before,
  .ai-section::before {
    animation: none !important;
  }
}