/*==============================================================================
  theme/05-motion.css
  MOTION — Animations, scroll reveal, intro (layout responsive lives in 03-home)
  Linked from templates/base.html in numbered order with the other theme modules.
==============================================================================*/

/* --------------------------------------------------------------------------
   ANIMATIONS — Entrance, scroll reveal, hover, ambient motion
   -------------------------------------------------------------------------- */
@keyframes kmpdcFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kmpdcSlideUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kmpdcFloat {
  0% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-10px, 12px, 0); }
  100% { transform: translate3d(0, 0, 0); }
}

@keyframes kmpdcFloatSoft {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
  50% { transform: translate3d(0, -8px, 0) rotate(0.4deg); }
}

@keyframes kmpdcDrift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(6px, -4px, 0); }
}

@keyframes kmpdcPulseLine {
  0%, 100% { opacity: 0.55; transform: scaleX(1); }
  50% { opacity: 1; transform: scaleX(1.04); }
}

.header_fade_in { animation: kmpdcFadeIn 560ms cubic-bezier(0.16, 1, 0.3, 1) both; }
.hero_slide_up { animation: kmpdcSlideUp 720ms cubic-bezier(0.16, 1, 0.3, 1) both; }
.logos_fade_in { animation: kmpdcSlideUp 820ms cubic-bezier(0.16, 1, 0.3, 1) 120ms both; }
.kmpdc-float { animation: kmpdcFloat 9s ease-in-out infinite; }

/* Navbar logo: current mark <-> Dr.254, 7s each, 1s crossfade */
@keyframes headerLogoPrimary {
  0%, 42.86% { opacity: 1; }
  50%, 92.86% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes headerLogoAlt {
  0%, 42.86% { opacity: 0; }
  50%, 92.86% { opacity: 1; }
  100% { opacity: 0; }
}

.site-header__logo-img--primary {
  animation: headerLogoPrimary 14s ease-in-out infinite;
}

.site-header__logo-img--alt {
  animation: headerLogoAlt 14s ease-in-out infinite;
}

.hero-collage {
  animation: kmpdcFloatSoft 7.5s ease-in-out infinite;
}

.hero-collage__deco--arcs,
.hero-collage__deco--waves {
  animation: kmpdcDrift 10s ease-in-out infinite;
}

.hero-collage__deco--dots {
  animation: kmpdcFloatSoft 8s ease-in-out infinite;
}

.hero-section__rule {
  transform-origin: left center;
  animation: kmpdcPulseLine 4.5s ease-in-out infinite;
}

/* Interactive hover motion */
.btn-primary,
.about_section .btn-box a,
.quote-actions .btn-primary,
.cookie-consent__btn {
  transition:
    transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 220ms ease,
    background-color 180ms ease,
    filter 180ms ease;
}

.btn-primary:hover,
.about_section .btn-box a:hover,
.quote-actions .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 24px rgba(10, 37, 64, 0.18);
}

.kmpdc-navlink,
.kmpdc-mobilelink {
  position: relative;
  transition: color 180ms ease, transform 180ms ease;
}

.kmpdc-navlink::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
}

.kmpdc-navlink:hover,
.kmpdc-navlink:focus {
  transform: translateY(-1px);
}

.kmpdc-navlink:hover::after,
.kmpdc-navlink:focus::after,
.kmpdc-navlink.is-active::after {
  transform: scaleX(1);
}

.spec-card,
.ba-card,
.video-card,
.quote-card {
  transition:
    transform 320ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 320ms ease;
}

.spec-card:hover,
.ba-card:hover,
.video-card:hover,
.quote-card:hover {
  transform: translateY(-8px);
}

.spec-card__media img,
.about_section .img-box img,
.client_section__media img,
.about-page__inline-photo img,
.ba-card__shot img,
.hero-collage__shot img {
  background: transparent !important;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1), filter 400ms ease;
}

.spec-card:hover .spec-card__media img,
.ba-card:hover .ba-card__shot img,
.video-card:hover img {
  transform: scale(1.06);
}

.hero-collage__shot img {
  transition: transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-collage__shot--tall img {
  transform-origin: center 22%;
}

.hero-collage__shot--top img {
  transform-origin: center 12%;
}

.hero-collage__shot--bottom img {
  transform-origin: center center;
}

.hero-section__collage:hover .hero-collage__shot img {
  transform: scale(1.03);
}

.spec-detail__chip,
.ba-filter {
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.spec-detail__chip:hover,
.ba-filter:hover {
  transform: none;
}

.site-footer-block a,
.info_section a,
.footer_section a {
  transition: color 180ms ease, transform 180ms ease;
}

.site-footer-block a:hover,
.info_section a:hover,
.footer_section a:hover {
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  .header_fade_in,
  .hero_slide_up,
  .logos_fade_in,
  .kmpdc-float,
  .logo_track,
  .hero-section__pattern,
  .hero-collage,
  .hero-collage__deco--arcs,
  .hero-collage__deco--waves,
  .hero-collage__deco--dots,
  .hero-section__rule,
  .site-header__logo-img--primary,
  .site-header__logo-img--alt {
    animation: none !important;
  }

  .site-header__logo-img--alt {
    opacity: 0 !important;
  }
  .btn-primary:hover,
  .about_section .btn-box a:hover,
  .quote-actions .btn-primary:hover,
  .spec-card:hover,
  .ba-card:hover,
  .video-card:hover,
  .quote-card:hover,
  .spec-card:hover .spec-card__media img,
  .ba-card:hover .ba-card__shot img,
  .video-card:hover img,
  .hero-section__collage:hover .hero-collage__shot img,
  .kmpdc-navlink:hover,
  .spec-detail__chip:hover,
  .ba-filter:hover {
    transform: none !important;
    box-shadow: none;
  }
}

/* Scroll reveal — content moves into place as sections enter the viewport */
.scroll-reveal {
  opacity: 0;
  transform: translate3d(0, 5.5rem, 0);
  transition:
    opacity 1.15s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1.25s cubic-bezier(0.16, 1, 0.3, 1),
    filter 1.15s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform, filter;
  filter: blur(6px);
}

.scroll-reveal--left {
  transform: translate3d(-4.5rem, 2rem, 0);
}

.scroll-reveal--right {
  transform: translate3d(4.5rem, 2rem, 0);
}

.scroll-reveal--scale {
  transform: translate3d(0, 3.5rem, 0) scale(0.92);
}

.scroll-reveal--rise {
  transform: translate3d(0, 7rem, 0);
}

.scroll-reveal.is-inview {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-reveal,
  .scroll-reveal--left,
  .scroll-reveal--right,
  .scroll-reveal--scale,
  .scroll-reveal--rise {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }
}

/* Filter chip bars must never stay hidden by scroll-reveal */
.spec-detail__bar-wrap .scroll-reveal,
.ba-page__bar-wrap .scroll-reveal,
.spec-detail__chip.scroll-reveal,
.ba-filter.scroll-reveal {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  transition: none !important;
}

/* Auto-typing page titles */
.js-typewriter {
  position: relative;
}

.js-typewriter.is-typing::after {
  content: "";
  display: inline-block;
  width: 0.08em;
  height: 0.85em;
  margin-left: 0.12em;
  vertical-align: -0.05em;
  background: var(--primary);
  animation: typewriterCaret 0.55s steps(1) infinite;
}

@keyframes typewriterCaret {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .js-typewriter.is-typing::after {
    display: none;
  }
}

.site-intro {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: none;
  pointer-events: none;
}

html.intro-pending .site-intro,
.site-intro.is-active {
  display: block;
  pointer-events: auto;
}

.site-intro__veil {
  position: absolute;
  inset: 0;
  background: #050505;
  transform: translateY(0);
  will-change: transform;
}

.site-intro__stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
  pointer-events: none;
}

.site-intro__name {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform-origin: center center;
  will-change: transform, opacity;
}

.site-intro__line {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0.35em;
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(1.15rem, 3.8vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: 0.28em;
  white-space: nowrap;
  text-transform: uppercase;
  color: #ffffff;
  transform-origin: center center;
}

.site-intro__word {
  display: inline-block;
  will-change: transform, opacity;
}

.site-intro__logo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(320px, 68vw);
  height: auto;
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
}

.site-intro__skip {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 2;
  pointer-events: auto;
  appearance: none;
  border: 1px solid rgba(247, 243, 234, 0.35);
  background: transparent;
  color: rgba(247, 243, 234, 0.82);
  font-family: var(--font);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 14px;
  cursor: pointer;
  border-radius: 0;
}

.site-intro__skip:hover,
.site-intro__skip:focus-visible {
  color: #fff;
  border-color: rgba(247, 243, 234, 0.7);
  outline: none;
}

html.intro-pending .site-header,
html.intro-pending .hero-content,
html.intro-pending .trusted-logos,
html.intro-pending .hero-section__visual,
html.intro-pending .hero-section__collage {
  opacity: 0;
}

html.intro-pending body,
body.intro-active {
  overflow: hidden;
}

html.intro-pending .header_fade_in,
html.intro-pending .hero_slide_up,
html.intro-pending .logos_fade_in,
html.intro-pending .site-header__logo-img--primary,
html.intro-pending .site-header__logo-img--alt {
  animation: none !important;
}

html.intro-pending .site-header__logo-img--alt {
  opacity: 0 !important;
}

@media (prefers-reduced-motion: reduce) {
  .site-intro {
    display: none !important;
  }

  html.intro-pending .site-header,
  html.intro-pending .hero-content,
  html.intro-pending .trusted-logos,
  html.intro-pending .hero-section__visual,
  html.intro-pending .hero-section__collage {
    opacity: 1;
  }
}