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

:root {
    --ink: #0d0b09;
    --paper: #f3ede3;
    --gold: #c9a86a;
    --muted: rgba(243, 237, 227, .68);
    --serif: "Cormorant Garamond", Georgia, serif;
    --sans: "Inter", system-ui, sans-serif;
}

html { scroll-behavior: smooth; }
body { background: var(--ink); color: var(--paper); font-family: var(--sans); font-weight: 300; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; }

/* ---------- nav ---------- */
.nav {
    position: fixed; inset: 0 0 auto 0; z-index: 20;
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.6rem clamp(1.25rem, 4vw, 3.5rem);
    transition: background .5s, padding .5s;
}
.nav.scrolled { background: rgba(13, 11, 9, .72); backdrop-filter: blur(12px); padding-block: 1rem; }
.brand { font-family: var(--serif); font-size: 1.55rem; letter-spacing: .32em; text-transform: uppercase; }
.nav nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; }
.nav nav a { opacity: .8; transition: opacity .3s; }
.nav nav a:hover { opacity: 1; }

/* ---------- hero ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; isolation: isolate; }
.slides, .slide { position: absolute; inset: 0; }
.slide { opacity: 0; transition: opacity 2.4s ease-in-out; }
.slide.is-active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; will-change: transform; }

/* slow "camera" moves */
.slide.kb-push  img { animation: kb-push  14s ease-out forwards; }
.slide.kb-left  img { animation: kb-left  14s ease-out forwards; }
.slide.kb-right img { animation: kb-right 14s ease-out forwards; }
.slide.kb-rise  img { animation: kb-rise  14s ease-out forwards; }
@keyframes kb-push  { from { transform: scale(1.02); } to { transform: scale(1.22); } }
@keyframes kb-left  { from { transform: scale(1.18) translateX(3%); } to { transform: scale(1.08) translateX(-3%); } }
@keyframes kb-right { from { transform: scale(1.18) translateX(-3%); } to { transform: scale(1.08) translateX(3%); } }
@keyframes kb-rise  { from { transform: scale(1.2) translateY(4%); } to { transform: scale(1.08) translateY(-3%); } }

.light-shafts { position: absolute; inset: 0; pointer-events: none; mix-blend-mode: screen; }
.light-shafts i {
    position: absolute; top: -20%; height: 140%; width: 18vw;
    background: linear-gradient(180deg, rgba(255, 226, 170, .22), rgba(255, 226, 170, 0) 80%);
    filter: blur(30px); transform: rotate(18deg); opacity: 0;
    animation: shaft 11s ease-in-out infinite;
}
.light-shafts i:nth-child(1) { left: 12%; }
.light-shafts i:nth-child(2) { left: 46%; width: 10vw; animation-delay: -4s; }
.light-shafts i:nth-child(3) { left: 72%; width: 14vw; animation-delay: -7.5s; }
@keyframes shaft { 0%, 100% { opacity: 0; } 50% { opacity: .9; } }

.dust { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

.grain {
    position: absolute; inset: -50%; pointer-events: none; opacity: .09;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    animation: grain 1s steps(6) infinite;
}
@keyframes grain {
    0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -4%); }
    60% { transform: translate(-4%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}

.vignette {
    position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 35%, rgba(0, 0, 0, .65) 100%),
        linear-gradient(180deg, rgba(0, 0, 0, .45) 0%, rgba(0, 0, 0, 0) 22%, rgba(0, 0, 0, 0) 60%, rgba(13, 11, 9, 1) 100%);
}

.hero-content {
    position: relative; z-index: 2; height: 100%;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center; padding: 0 1.5rem;
}
.eyebrow { font-size: .78rem; letter-spacing: .3em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.4rem; }
.hero h1 {
    font-family: var(--serif); font-weight: 400; line-height: 1.05;
    font-size: clamp(2.6rem, 7vw, 6.2rem); text-shadow: 0 2px 40px rgba(0, 0, 0, .5);
}
.hero h1 em { color: var(--paper); opacity: .85; }
.hero-content > * { opacity: 0; transform: translateY(18px); animation: rise 1.6s cubic-bezier(.2, .7, .2, 1) forwards; }
.hero-content > :nth-child(2) { animation-delay: .25s; }
.hero-content > :nth-child(3) { animation-delay: .6s; }
@keyframes rise { to { opacity: 1; transform: none; } }

.search {
    margin-top: 2.6rem; width: min(560px, 100%);
    display: flex; align-items: center;
    background: rgba(13, 11, 9, .35); border: 1px solid rgba(243, 237, 227, .35);
    backdrop-filter: blur(10px); border-radius: 999px; transition: border-color .3s, background .3s;
}
.search:focus-within { border-color: var(--gold); background: rgba(13, 11, 9, .55); }
.search input {
    flex: 1; background: none; border: 0; outline: 0; color: var(--paper);
    font: 300 1rem var(--sans); padding: 1.05rem 1.6rem;
}
.search input::placeholder { color: var(--muted); }
.search button { background: none; border: 0; color: var(--paper); padding: 0 1.4rem; cursor: pointer; }

.hero-foot {
    position: absolute; z-index: 2; left: 0; right: 0; bottom: 2rem;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 clamp(1.25rem, 4vw, 3.5rem);
    font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.place { transition: opacity .8s; }
.place.fade { opacity: 0; }
.ticks { display: flex; gap: .5rem; }
.ticks b { display: block; width: 28px; height: 2px; background: rgba(243, 237, 227, .25); overflow: hidden; }
.ticks b.on::after { content: ""; display: block; height: 100%; background: var(--paper); animation: tick var(--dur, 8s) linear forwards; }
@keyframes tick { from { width: 0; } to { width: 100%; } }

.scroll-cue { position: absolute; z-index: 2; left: 50%; bottom: 1.6rem; transform: translateX(-50%); width: 1px; height: 48px; background: rgba(243, 237, 227, .2); overflow: hidden; }
.scroll-cue span { position: absolute; left: 0; top: -50%; width: 1px; height: 50%; background: var(--paper); animation: cue 2.4s ease-in-out infinite; }
@keyframes cue { to { top: 100%; } }

/* ---------- shared ---------- */
.section-title {
    font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 4vw, 3.2rem);
    text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1.2s ease, transform 1.2s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- subjects ---------- */
.subjects { padding: clamp(5rem, 10vw, 8rem) clamp(1rem, 3vw, 2.5rem); }
.panels { display: flex; gap: .6rem; height: 78vh; min-height: 480px; }
.panel {
    position: relative; flex: 1; overflow: hidden; border-radius: 3px;
    transition: flex 1s cubic-bezier(.2, .7, .2, 1);
}
.panel img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) brightness(.7); transform: scale(1.08); transition: transform 1.6s cubic-bezier(.2, .7, .2, 1), filter 1s; }
.panel::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0, 0, 0, .7), rgba(0, 0, 0, 0) 50%); }
.panel span {
    position: absolute; z-index: 1; left: 1.4rem; bottom: 1.4rem;
    font-family: var(--serif); font-size: clamp(1.3rem, 2vw, 2rem); white-space: nowrap;
}
.panel:hover { flex: 3.2; }
.panel:hover img { transform: scale(1); filter: saturate(1) brightness(.95); }

/* ---------- featured guide ---------- */
.feature { position: relative; height: 110vh; min-height: 640px; overflow: hidden; display: flex; align-items: center; }
.feature-bg { position: absolute; inset: -15% 0; will-change: transform; }
.feature-bg img { width: 100%; height: 100%; object-fit: cover; animation: breathe 24s ease-in-out infinite alternate; }
@keyframes breathe { from { transform: scale(1); } to { transform: scale(1.12); } }
.feature-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(13, 11, 9, .88) 0%, rgba(13, 11, 9, .45) 45%, rgba(13, 11, 9, 0) 75%), linear-gradient(180deg, var(--ink) 0%, transparent 18%, transparent 82%, var(--ink) 100%); }
.feature-content { position: relative; padding: 0 clamp(1.5rem, 8vw, 9rem); max-width: 760px; }
.feature h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.8rem, 6.5vw, 5.6rem); line-height: 1; margin-bottom: 2rem; }
.guide-points { list-style: none; display: flex; flex-wrap: wrap; gap: .6rem 1.6rem; color: var(--muted); font-size: .95rem; margin-bottom: 2.4rem; }
.guide-points li::before { content: "—"; color: var(--gold); margin-right: .6rem; }
.link-arrow { display: inline-flex; align-items: center; gap: .8rem; font-size: .8rem; letter-spacing: .22em; text-transform: uppercase; border-bottom: 1px solid var(--gold); padding-bottom: .4rem; }
.link-arrow::after { content: "→"; transition: transform .3s; }
.link-arrow:hover::after { transform: translateX(6px); }

/* ---------- resources ---------- */
.resources { padding: clamp(5rem, 10vw, 8rem) clamp(1rem, 3vw, 2.5rem); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.card { position: relative; aspect-ratio: 3 / 4.2; overflow: hidden; border-radius: 3px; }
.card:nth-child(2) { transition-delay: .12s; }
.card:nth-child(3) { transition-delay: .24s; }
.card:nth-child(4) { transition-delay: .36s; }
.card img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.72); transition: transform 1.4s cubic-bezier(.2, .7, .2, 1), filter .8s; }
.card:hover img { transform: scale(1.07); filter: brightness(.9); }
.card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0, 0, 0, .75), rgba(0, 0, 0, 0) 55%); }
.card div { position: absolute; z-index: 1; left: 1.4rem; right: 1.4rem; bottom: 1.4rem; }
.card h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.4rem, 2vw, 1.9rem); margin-top: .7rem; }
.tag { display: inline-block; font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; padding: .32rem .7rem; border-radius: 999px; border: 1px solid; }
.tag.free { color: #b8d8b0; border-color: rgba(184, 216, 176, .5); }
.tag.card-req { color: var(--gold); border-color: rgba(201, 168, 106, .5); }

/* ---------- drifting gallery ---------- */
.drift { position: relative; padding: 2rem 0 6rem; overflow: hidden; }
.drift-row { overflow: hidden; margin-bottom: .8rem; }
.drift-track { display: flex; gap: .8rem; width: max-content; animation: drift 90s linear infinite; }
.drift-row.reverse .drift-track { animation-direction: reverse; animation-duration: 110s; }
.drift-track img { height: clamp(220px, 32vw, 420px); width: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 3px; filter: brightness(.82) saturate(.9); }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.drift-caption { text-align: center; margin-top: 2.4rem; font-family: var(--serif); font-style: italic; font-size: 1.3rem; color: var(--muted); }

/* ---------- footer ---------- */
.footer { text-align: center; padding: 4rem 1.5rem 3rem; border-top: 1px solid rgba(243, 237, 227, .08); color: var(--muted); font-size: .85rem; }
.footer .brand { color: var(--paper); margin-bottom: .6rem; }
.credits { margin: 2rem auto 1.5rem; max-width: 760px; font-size: .75rem; }
.credits summary { cursor: pointer; letter-spacing: .16em; text-transform: uppercase; list-style: none; }
.credits summary::-webkit-details-marker { display: none; }
.credits ul { list-style: none; margin: 1.2rem 0; line-height: 1.9; }
.credits a { border-bottom: 1px solid rgba(243, 237, 227, .25); }
.copy { font-size: .72rem; opacity: .6; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
    .panels { height: auto; min-height: 0; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .5rem; }
    .panel { flex: 0 0 70vw; height: 64vh; scroll-snap-align: center; }
    .panel:hover { flex: 0 0 70vw; }
    .cards { grid-template-columns: repeat(2, 1fr); }
    .nav nav { display: none; }
}
@media (max-width: 520px) {
    .cards { grid-template-columns: 1fr; }
    .card { aspect-ratio: 4 / 3; }
    .hero-foot .place { max-width: 60%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
    .hero-content > *, .reveal { opacity: 1; transform: none; }
    .dust, .grain { display: none; }
}
@media (max-width: 700px) {
    .scroll-cue { display: none; }
    .hero-foot { font-size: .62rem; }
}