/**
 * Motion & interaction polish — Doctor Launch
 * Smooth menus, panels, feedback, reduced-motion safe
 */

:root {
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.2, 0.64, 1);
  --dur-fast: 160ms;
  --dur: 280ms;
  --dur-slow: 420ms;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --dur-fast: 1ms;
    --dur: 1ms;
    --dur-slow: 1ms;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

html {
  scroll-behavior: smooth;
}

.btn,
.m-icon-btn,
.m-bottom-nav__item,
.drawer__cat-item,
.product-card,
.m-info-tile,
.m-video {
  transition:
    transform var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    box-shadow var(--dur-fast) ease,
    color var(--dur-fast) ease,
    opacity var(--dur-fast) ease;
}

.btn:active,
.m-icon-btn:active,
.drawer__cat-item:active,
.m-bottom-nav__item:active,
.m-info-tile:active {
  transform: scale(0.96);
}

.product-card:active {
  transform: scale(0.985);
}

/* Sticky header */
.site-header {
  transition:
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    padding var(--dur) var(--ease-out);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(26, 25, 23, 0.08);
  border-bottom: 1px solid rgba(224, 222, 217, 0.9);
}

@media (min-width: 768px) {
  .site-header.is-scrolled {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .site-header.is-scrolled .header__nav,
  .site-header.is-scrolled .header__divider {
    display: none;
  }

  .site-header.is-scrolled .header__top {
    height: 44px;
  }

  .site-header.is-scrolled .logo__subtitle {
    display: none;
  }

  .site-header.is-scrolled .logo__title {
    font-size: 20px;
    line-height: 1.2;
  }

  .site-header.is-scrolled .header__phone {
    height: 44px;
    font-size: 18px;
  }

  .site-header.is-scrolled .header__actions {
    height: 44px;
  }
}

/* Drawer / panel motion */
.drawer {
  visibility: hidden;
  pointer-events: none;
}

.drawer.is-open,
.drawer.is-closing {
  visibility: visible;
  pointer-events: auto;
  display: block !important;
}

.drawer[hidden] {
  display: none !important;
}

.drawer.is-open[hidden],
.drawer.is-closing[hidden] {
  display: block !important;
}

.drawer__backdrop {
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}

.drawer.is-open .drawer__backdrop {
  opacity: 1;
}

.drawer__panel,
aside.drawer__panel {
  transition: transform var(--dur-slow) var(--ease-out);
  will-change: transform;
}

.m-panel {
  transform: translateX(100%);
  opacity: 1;
  transition: transform var(--dur-slow) var(--ease-out);
  will-change: transform;
  pointer-events: none;
}

.m-panel.is-open {
  transform: translateX(0);
  pointer-events: auto;
}

/* Hero slider track */
.hero-slider__track {
  transition: transform var(--dur-slow) var(--ease-out);
  will-change: transform;
}

.hero-slider__dot {
  transition:
    background-color var(--dur-fast) ease,
    transform var(--dur-fast) var(--ease-out),
    width var(--dur-fast) var(--ease-out);
}

.hero-slider__dot.is-active {
  transform: scale(1.15);
}

/* Toast */
.m-toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--m-bottom-h, 79px) + 16px + env(safe-area-inset-bottom, 0px));
  z-index: 200;
  transform: translate(-50%, 12px);
  opacity: 0;
  pointer-events: none;
  max-width: min(358px, calc(100vw - 32px));
  padding: 12px 16px;
  border-radius: 10px;
  background: #2f2f2f;
  color: #fff;
  font-family: var(--font-body, Manrope, sans-serif);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition:
    opacity var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
}

.m-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

@media (min-width: 768px) {
  .m-toast {
    bottom: 24px;
  }
}

/* Bottom nav active indicator */
.m-bottom-nav__item {
  position: relative;
}

.m-bottom-nav__item::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--m-blue, #0059b7);
  transform: translateX(-50%);
  transition: width var(--dur) var(--ease-out);
}

.m-bottom-nav__item.is-active::after {
  width: 18px;
}

/* Focus rings */
.m-icon-btn:focus-visible,
.btn:focus-visible,
.drawer__cat-item:focus-visible,
.m-bottom-nav__item:focus-visible,
.search__input:focus-visible {
  outline: 2px solid #0059b7;
  outline-offset: 2px;
}

/* Page fade-in */
.page {
  animation: page-in var(--dur-slow) var(--ease-out);
}

@keyframes page-in {
  from {
    opacity: 0.6;
  }
  to {
    opacity: 1;
  }
}

@media (min-width: 768px) {
  .btn:hover {
    filter: brightness(1.03);
  }

  .btn--light:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
  }

  .product-card:hover {
    box-shadow: 0 10px 28px rgba(26, 25, 23, 0.1);
    transform: translateY(-3px);
  }

  .product-card {
    transition:
      transform var(--dur) var(--ease-out),
      box-shadow var(--dur) var(--ease-out),
      border-color var(--dur-fast) ease;
  }

  .m-info-tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 25, 23, 0.06);
  }
}

/* Soft section reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}