:root {
  --black: #0B0B0D;
  --black-2: #121216;
  --gold: #C9A24B;
  --gold-bright: #E4C77E;
  --gold-dim: rgba(201, 162, 75, 0.35);
  --ink: #F4EFE6;
  --ink-dim: rgba(244, 239, 230, 0.62);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --pad: clamp(1.25rem, 6vw, 4rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- Scroll-snap deck ---------- */
.deck {
  height: 100vh;
  height: 100dvh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.deck::-webkit-scrollbar { display: none; }

.panel {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--pad);
  padding-bottom: clamp(2rem, 9vh, 5rem);
  overflow: hidden;
  isolation: isolate;
}

/* ---------- Render image slot ---------- */
.panel__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--black-2);
}
.panel__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* readability scrim over any render */
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(11, 11, 13, 0.55) 0%,
    rgba(11, 11, 13, 0.15) 32%,
    rgba(11, 11, 13, 0.55) 68%,
    rgba(11, 11, 13, 0.94) 100%
  );
  pointer-events: none;
}

/* ---------- Elegant "render coming" placeholder ---------- */
.placeholder {
  position: absolute;
  inset: 0;
  z-index: -2;
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(201, 162, 75, 0.10), transparent 60%),
    linear-gradient(160deg, #0d0d10 0%, #0B0B0D 55%, #141014 100%);
}
.placeholder::before {
  content: "";
  position: absolute;
  inset: clamp(0.9rem, 4vw, 2.5rem);
  border: 1px solid var(--gold-dim);
  border-radius: 2px;
  -webkit-mask: linear-gradient(#000, #000);
}
.placeholder__inner {
  position: relative;
  text-align: center;
  color: var(--gold);
  padding: 1.5rem;
}
.placeholder__diamond {
  width: 42px; height: 42px;
  margin: 0 auto 1.1rem;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  position: relative;
  opacity: 0.85;
}
.placeholder__diamond::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--gold-dim);
}
.placeholder__label {
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold-bright);
  opacity: 0.75;
}
.placeholder__slot {
  margin-top: 0.5rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--ink-dim);
}

/* ---------- Panel content ---------- */
.panel__content { max-width: 34rem; position: relative; z-index: 1; }

.panel__num {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.9rem;
  display: inline-block;
}
.panel__num::before {
  content: "";
  display: inline-block;
  width: 26px; height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin-right: 0.7rem;
}
.panel__title {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.02;
  font-size: clamp(2.1rem, 9vw, 4.2rem);
  letter-spacing: 0.01em;
}
.panel__title .accent { color: var(--gold-bright); }
.panel__desc {
  margin-top: 1rem;
  font-size: clamp(0.95rem, 3.6vw, 1.12rem);
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 30rem;
}

/* ---------- Cover panel ---------- */
.panel--cover { justify-content: center; text-align: center; align-items: center; }
.panel--cover .panel__content { max-width: 40rem; }
.cover__logo {
  width: clamp(150px, 46vw, 260px);
  margin: 0 auto 2rem;
  filter: drop-shadow(0 6px 30px rgba(0,0,0,0.6));
}
.cover__kicker {
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.44em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.4rem;
}
.panel--cover .panel__title { font-size: clamp(2.4rem, 12vw, 5rem); }
.cover__tagline {
  margin-top: 1.2rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 4.4vw, 1.5rem);
  color: var(--ink);
}
.cover__hr {
  width: 60px; height: 1px;
  background: var(--gold);
  margin: 1.9rem auto;
}
.cover__meta {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  line-height: 2;
}
.cover__poweredby { width: clamp(120px, 34vw, 170px); margin: 1.8rem auto 0; opacity: 0.92; }
.cover__scroll {
  position: absolute;
  bottom: 1.6rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,6px)} }

/* ---------- Closing ---------- */
.panel--closing { justify-content: center; text-align: center; align-items: center; }
.closing__mark { width: clamp(90px, 26vw, 130px); margin: 0 auto 1.8rem; opacity: 0.9; }
.closing__subs { width: min(90%, 620px); margin: 2rem auto 0; opacity: 0.9; }
.closing__partners {
  margin-top: 1.4rem;
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
  line-height: 2.1;
}

/* subsidiary walls panel: show the block foreground when no render */
.panel__overlay-subs {
  width: min(92%, 640px);
  margin: 1.2rem 0 0;
  opacity: 0.95;
  position: relative;
  z-index: 1;
}

/* ---------- Top bar ---------- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--pad);
  pointer-events: none;
}
.topbar__logo { height: 26px; width: auto; pointer-events: auto; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.7)); }

.navtoggle {
  pointer-events: auto;
  width: 40px; height: 40px;
  background: rgba(11,11,13,0.4);
  border: 1px solid var(--gold-dim);
  border-radius: 3px;
  display: grid;
  place-content: center;
  gap: 4px;
  cursor: pointer;
  backdrop-filter: blur(6px);
}
.navtoggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--gold);
  transition: transform 0.3s, opacity 0.3s;
}
.navtoggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.navtoggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navtoggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- Drawer ---------- */
.drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100dvh;
  width: min(80vw, 320px);
  background: linear-gradient(180deg, #0f0f12, #0B0B0D);
  border-left: 1px solid var(--gold-dim);
  z-index: 60;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  padding: 5rem 2rem 2rem;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer__list { list-style: none; counter-reset: sec; }
.drawer__list li {
  counter-increment: sec;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.drawer__list a {
  display: block;
  padding: 0.85rem 0;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.15rem;
  transition: color 0.2s, padding-left 0.2s;
}
.drawer__list a::before {
  content: counter(sec, decimal-leading-zero);
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-right: 0.9rem;
}
.drawer__list a:hover, .drawer__list a.active { color: var(--gold-bright); padding-left: 0.4rem; }
.drawer__scrim {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 50;
  backdrop-filter: blur(2px);
}

/* ---------- Dot nav ---------- */
.dots {
  position: fixed;
  right: 0.7rem; top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: all 0.25s;
}
.dots button.active { background: var(--gold); border-color: var(--gold); transform: scale(1.35); }

/* ---------- Progress ---------- */
.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 45;
  background: rgba(255,255,255,0.05);
}
.progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  transition: width 0.15s linear;
}

/* ---------- Reveal animation ---------- */
.panel__content > * { opacity: 0; transform: translateY(18px); transition: opacity 0.7s, transform 0.7s; }
.panel.in-view .panel__content > * { opacity: 1; transform: none; }
.panel.in-view .panel__content > *:nth-child(2) { transition-delay: 0.08s; }
.panel.in-view .panel__content > *:nth-child(3) { transition-delay: 0.16s; }
.panel.in-view .panel__content > *:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .panel__content > * { opacity: 1; transform: none; transition: none; }
  .cover__scroll { animation: none; }
}

/* ---------- Desktop refinements ---------- */
@media (min-width: 768px) {
  .dots { right: 1.4rem; }
  .panel__desc { font-size: 1.15rem; }
  .topbar__logo { height: 30px; }
}
@media (min-width: 1100px) {
  .panel__content { max-width: 40rem; }
  .panel { padding-bottom: clamp(3rem, 10vh, 6rem); }
}