/* ==========================================================================
   Homepage hero - Swai Thai Spa
   Effects: reveal on load, candlelight cursor glow, ambient steam, parallax
   Swap the hero photo on the --hero-image line below.
   ========================================================================== */

.spa-hero {
  --hero-image: url("../images/main-slider/slider-2.jpg");
  position: relative;
  width: 100%;
  min-height: 100vh;
  max-height: 1000px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- background photo --------------------------------------------------
   Two layers on purpose: the outer .hero-bg carries the scroll parallax
   (set from JS), the inner .hero-bg-img carries the reveal + ambient zoom.
   Keeping them apart stops the CSS animation from overriding the inline
   transform the parallax writes.
   ---------------------------------------------------------------------- */
.spa-hero .hero-bg {
  position: absolute;
  inset: -4%;
  will-change: transform;
}

.spa-hero .hero-bg-img {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(14, 9, 6, 0.30) 0%, rgba(12, 8, 5, 0.52) 55%, rgba(10, 6, 4, 0.84) 100%),
    var(--hero-image);
  background-size: cover;
  background-position: center;
  filter: blur(18px) brightness(0.7) saturate(0.9);
  transform: scale(1.14);
  opacity: 0.4;
  transition:
    filter 1.6s cubic-bezier(0.19, 1, 0.22, 1),
    transform 1.6s cubic-bezier(0.19, 1, 0.22, 1),
    opacity 1.2s ease;
}

.spa-hero.is-loaded .hero-bg-img {
  filter: blur(0) brightness(1) saturate(1);
  transform: scale(1.06);
  opacity: 1;
}

/* slow ambient zoom once the reveal has finished */
.spa-hero.is-settled .hero-bg-img {
  animation: spa-hero-breathe 22s ease-in-out infinite alternate;
}

@keyframes spa-hero-breathe {
  from { transform: scale(1.06); }
  to   { transform: scale(1.12); }
}

/* --- ambient steam canvas --- */
.spa-hero .hero-steam {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  mix-blend-mode: screen;
  opacity: 0.55;
  pointer-events: none;
}

/* --- candlelight glow that follows the cursor --- */
.spa-hero .hero-glow {
  position: absolute;
  left: 0;
  top: 0;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle,
    rgba(255, 196, 138, 0.20) 0%,
    rgba(255, 196, 138, 0.08) 35%,
    rgba(255, 196, 138, 0) 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 2;
}

.spa-hero:hover .hero-glow { opacity: 1; }

/* --- content --- */
.spa-hero .auto-container {
  position: relative;
  z-index: 3;
}

.spa-hero .hero-content {
  text-align: center;
  padding: 170px 0 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.spa-hero .hero-content > * {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.spa-hero.is-loaded .hero-content > * {
  opacity: 1;
  transform: translateY(0);
}

.spa-hero.is-loaded .hero-eyebrow { transition-delay: 0.55s; }
.spa-hero.is-loaded h1            { transition-delay: 0.72s; }
.spa-hero.is-loaded .hero-sub     { transition-delay: 0.88s; }
.spa-hero.is-loaded .hero-cta     { transition-delay: 1.04s; }
.spa-hero.is-loaded .hero-rating  { transition-delay: 1.18s; }

.spa-hero .hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-family-jost);
  font-size: 13px;
  letter-spacing: 2.6px;
  text-transform: uppercase;
  color: var(--white-color-opacity);
}

.spa-hero .hero-eyebrow::before,
.spa-hero .hero-eyebrow::after {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--white-color-opacity-three);
}

.spa-hero h1 {
  color: var(--white-color);
  font-size: 68px;
  line-height: 1.12;
  margin: 0;
}

.spa-hero .hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--white-color-opacity);
  max-width: 40ch;
  margin: 0;
}

.spa-hero .hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.spa-hero .hero-rating {
  font-size: 14px;
  color: var(--white-color-opacity-two);
  letter-spacing: 0.3px;
}

.spa-hero .hero-rating i {
  color: var(--orange-color);
  font-size: 12px;
  margin-right: 4px;
}

/* --- scroll cue --- */
.spa-hero .hero-cue {
  position: absolute;
  left: 50%;
  bottom: 30px;
  z-index: 3;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-color-opacity-two);
  font-size: 10.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 1s ease 1.5s;
}

.spa-hero.is-loaded .hero-cue { opacity: 1; }

.spa-hero .hero-cue .track {
  position: relative;
  width: 1px;
  height: 36px;
  background: var(--white-color-opacity-four);
  overflow: hidden;
}

.spa-hero .hero-cue .track::after {
  content: "";
  position: absolute;
  left: 0;
  top: -14px;
  width: 100%;
  height: 14px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  animation: spa-hero-cue 1.8s ease-in-out infinite;
}

@keyframes spa-hero-cue {
  from { top: -14px; }
  to   { top: 36px; }
}

/* --- accessibility: honour reduced-motion --- */
@media (prefers-reduced-motion: reduce) {
  .spa-hero .hero-bg,
  .spa-hero.is-loaded .hero-bg-img,
  .spa-hero .hero-bg-img {
    filter: none;
    transform: none;
    opacity: 1;
    transition: none;
    animation: none;
  }
  .spa-hero .hero-content > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .spa-hero .hero-steam,
  .spa-hero .hero-cue {
    display: none;
  }
}

/* --- responsive --- */
@media only screen and (max-width: 1199px) {
  .spa-hero h1 { font-size: 56px; }
}

@media only screen and (max-width: 991px) {
  .spa-hero { min-height: 760px; }
  .spa-hero h1 { font-size: 46px; }
  .spa-hero .hero-content { padding: 150px 0 80px; }
}

@media only screen and (max-width: 767px) {
  .spa-hero { min-height: 640px; }
  .spa-hero h1 { font-size: 36px; }
  .spa-hero .hero-sub { font-size: 16px; }
  .spa-hero .hero-content { padding: 130px 0 70px; gap: 18px; }
  .spa-hero .hero-eyebrow { font-size: 11px; letter-spacing: 2px; }
  .spa-hero .hero-eyebrow::before,
  .spa-hero .hero-eyebrow::after { width: 20px; }

  /* the label wraps on narrow screens, which leaves the rules floating */
  .spa-hero .hero-eyebrow { display: block; text-align: center; }
  .spa-hero .hero-eyebrow::before,
  .spa-hero .hero-eyebrow::after { display: none; }
  .spa-hero .hero-cue { display: none; }
}

@media only screen and (max-width: 479px) {
  .spa-hero h1 { font-size: 30px; }
  .spa-hero .hero-cta { gap: 12px; }
}