/* POLYA&CO BRAND — dark premium editorial */

:root {
  --bg: #000000;
  --bg-elevated: #0a0a0a;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.58);
  --line: rgba(255, 255, 255, 0.18);
  --font-display: "Bodoni Moda", "Didot", "Bodoni MT", serif;
  --font-ui: "Jost", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-weight: 300;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- Preloader ---------- */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: #000;
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease), transform 0.7s var(--ease);
}

.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.04);
}

.preloader__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  animation: brandIn 1.2s var(--ease) both;
}

.preloader__bar {
  display: block;
  width: 9rem;
  height: 1px;
  margin-top: 0.6rem;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.preloader__bar-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: #fff;
  transition: width 0.4s linear;
}

.preloader__mono,
.logo__mono,
.maison__mono,
.footer__mono {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: none;
  line-height: 1;
}

.preloader__mono {
  font-size: clamp(2.8rem, 8vw, 4.5rem);
}

.preloader__name,
.logo__name,
.maison__name,
.footer__name {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.28em;
  font-size: 0.7rem;
}

@keyframes brandIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(1rem, 3vw, 2.25rem);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent);
}

/* A separate layer that fades in via opacity — unlike the `background`
   shorthand, a gradient can't be smoothly interpolated into a solid color,
   so crossfading opacity is what makes the darkening feel gradual. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 1.1s var(--ease);
}

.site-header.is-solid::before {
  opacity: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 1.6vw, 1.6rem);
}

.nav--left {
  justify-content: flex-start;
}

.nav--right {
  justify-content: flex-end;
}

.nav a {
  position: relative;
  font-size: 0.68rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  opacity: 0.92;
  transition: opacity 0.25s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.nav a:hover {
  opacity: 1;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.35rem 0.75rem;
}

.logo__img {
  display: none;
  height: 42px;
  width: auto;
}

.logo__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.logo__mono {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}

.logo__name {
  font-size: 0.52rem;
  letter-spacing: 0.32em;
  opacity: 0.9;
}

.menu-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  position: relative;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 1.15rem;
  height: 1px;
  background: #fff;
  margin: 0.28rem auto;
  transition: transform 0.35s var(--ease), opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.29rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.29rem) rotate(-45deg);
}

/* ---------- Mobile menu ---------- */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: #000;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s var(--ease), visibility 0.45s var(--ease);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

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

.mobile-menu__nav a {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.22em;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.mobile-menu.is-open .mobile-menu__nav a {
  opacity: 1;
  transform: none;
}

.mobile-menu.is-open .mobile-menu__nav a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(6) { transition-delay: 0.3s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(7) { transition-delay: 0.35s; }
.mobile-menu.is-open .mobile-menu__nav a:nth-child(8) { transition-delay: 0.4s; }

/* ---------- Swiper stage (YSL-style vertical overlay slider) ---------- */

main#top {
  position: relative;
  width: 100%;
  height: 100svh;
  background: #000;
}

.polya-swiper {
  width: 100%;
  height: 100%;
}

.polya-swiper .swiper-slide {
  height: 100%;
}

/* ---------- Full-bleed panels ---------- */

.panel {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: #000;
}

.panel__media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #000;
}

.panel__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.04);
  will-change: transform;
}

/* The transition lives only on the "entering" rule, not the base state:
   that way leaving the slide snaps the scale back instantly (no rule says
   to animate it), so the zoom-out replays in full every time the slide
   becomes active again instead of continuing a half-finished transition. */
.panel.is-inview .panel__img {
  transform: scale(1);
  transition: transform 6.5s var(--ease);
}

.panel__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.08) 42%, rgba(0, 0, 0, 0.45) 100%),
    linear-gradient(to right, rgba(0, 0, 0, 0.55) 0%, transparent 18%, transparent 82%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
}

.panel__cta {
  position: absolute;
  left: 50%;
  bottom: clamp(1.75rem, 5vh, 3.5rem);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  text-align: center;
  z-index: 2;
  opacity: 0;
  translate: 0 24px;
}

.panel.is-inview .panel__cta {
  opacity: 1;
  translate: 0 0;
  transition: opacity 0.9s var(--ease), translate 0.9s var(--ease);
  transition-delay: 0.18s;
}

.panel__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 2.1rem);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.panel__action {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  opacity: 0.9;
}

.chevron {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  margin-top: -0.15rem;
  animation: chevronPulse 1.8s ease-in-out infinite;
}

@keyframes chevronPulse {
  0%,
  100% {
    transform: rotate(45deg) translate(0, 0);
    opacity: 1;
  }
  50% {
    transform: rotate(45deg) translate(2px, 2px);
    opacity: 0.45;
  }
}

/* ---------- Maison ---------- */

.maison {
  height: 100%;
  display: grid;
  place-items: center;
  padding: calc(var(--header-h) + 2rem) 1.5rem 4rem;
  background:
    radial-gradient(ellipse 70% 50% at 50% 35%, rgba(40, 40, 40, 0.55), transparent 70%),
    #000;
  position: relative;
  overflow: hidden;
}

.maison::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 55% 45% at 50% 45%, black, transparent);
  pointer-events: none;
  opacity: 0.5;
}

.maison__inner {
  position: relative;
  max-width: 36rem;
  text-align: center;
  opacity: 0;
  transform: translateY(28px);
}

.maison.is-inview .maison__inner {
  opacity: 1;
  transform: none;
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.maison__eyebrow {
  margin: 0 0 1.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  color: var(--muted);
}

.maison__logo {
  margin: 0 0 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}

.maison__mono {
  font-size: clamp(3.2rem, 10vw, 5.5rem);
}

.maison__name {
  font-size: clamp(0.72rem, 2vw, 0.9rem);
  letter-spacing: 0.36em;
}

.maison__text {
  margin: 0 auto 2.25rem;
  max-width: 28rem;
  font-size: 0.78rem;
  line-height: 1.85;
  letter-spacing: 0.12em;
  text-transform: none;
  color: var(--muted);
  font-weight: 300;
}

.maison__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  padding-bottom: 0.25rem;
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  opacity: 0.9;
  transition: border-color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}

.maison__link-icon {
  flex-shrink: 0;
  transform: translateY(-0.5px);
  transition: transform 0.35s var(--ease);
}

.maison__link:hover {
  border-color: #fff;
  opacity: 1;
}

.maison__link:hover .maison__link-icon {
  transform: translateY(-0.5px) rotate(-8deg);
}

/* ---------- Footer ---------- */

.site-footer {
  height: 100%;
  background: #000;
  border-top: 1px solid var(--line);
  padding: 3.5rem clamp(1.25rem, 4vw, 3rem) 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 3rem;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer__col--center {
  align-items: center;
  text-align: center;
}

.footer__col--right {
  align-items: flex-end;
  text-align: right;
}

.footer__label {
  margin: 0 0 0.25rem;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
}

.footer__col a {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  opacity: 0.88;
  transition: opacity 0.25s ease;
}

.footer__col a:hover {
  opacity: 1;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.footer__mono {
  font-size: 2rem;
}

.footer__name {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  text-align: center;
}

.footer__bottom p {
  margin: 0;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .nav--left,
  .nav--right {
    display: none;
  }

  .site-header {
    grid-template-columns: 2.5rem 1fr 2.5rem;
  }

  .menu-toggle {
    display: block;
  }

  .logo {
    grid-column: 2;
  }

  .panel__img {
    object-position: center 12%;
  }

  .panel__veil {
    background:
      linear-gradient(to top, rgba(0, 0, 0, 0.68) 0%, rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0.4) 100%);
  }
}

@media (max-width: 720px) {
  :root {
    --header-h: 3.75rem;
  }

  .logo__mono {
    font-size: 1.35rem;
  }

  .logo__name {
    font-size: 0.42rem;
    letter-spacing: 0.24em;
  }

  .panel__title {
    font-size: 1.15rem;
    letter-spacing: 0.18em;
  }

  .panel__action {
    font-size: 0.62rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }

  .footer__col,
  .footer__col--right {
    align-items: center;
    text-align: center;
  }

  .maison__text {
    letter-spacing: 0.08em;
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .panel__img,
  .panel__cta,
  .maison__inner,
  .preloader__brand,
  .chevron {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    translate: none !important;
  }
}