:root {
    --ink: oklch(22% 0.045 280);
    --muted: oklch(45% 0.04 280);
    --paper: oklch(97% 0.018 92);
    --ruby: oklch(55% 0.19 18);
    --gold: oklch(78% 0.15 82);
    --violet: oklch(45% 0.13 286);
    --line: oklch(83% 0.035 285);
    --surface: oklch(99% 0.012 92);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Avenir Next", Avenir, "Trebuchet MS", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 84% 8%, oklch(79% 0.15 82 / 0.42), transparent 22rem),
        radial-gradient(circle at 10% 12%, oklch(72% 0.16 18 / 0.3), transparent 24rem),
        linear-gradient(180deg, var(--paper), oklch(93% 0.025 290));
    line-height: 1.6;
}

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

a {
    color: inherit;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem clamp(1rem, 4vw, 4rem);
    border-bottom: 1px solid var(--line);
    background: oklch(98% 0.014 92 / 0.92);
    backdrop-filter: blur(18px);
}

.nav-left,
.brand,
.app-mark {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.nav-left {
    gap: 1rem;
}

.brand,
.app-mark,
.nav a {
    text-decoration: none;
    font-weight: 850;
}

.brand {
    gap: 0.55rem;
    color: var(--muted);
}

.brand img,
.app-mark img {
    width: 38px;
    height: 38px;
    border-radius: 8px;
}

.app-mark {
    gap: 0.65rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: center;
    min-height: calc(100vh - 72px);
    padding: clamp(3rem, 7vw, 7rem) clamp(1rem, 5vw, 5rem);
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--ruby);
    font-weight: 900;
}

h1 {
    max-width: 9ch;
    margin: 0;
    font-size: clamp(3.5rem, 8vw, 7.2rem);
    line-height: 0.9;
    letter-spacing: 0;
}

.hero-copy p:last-child {
    max-width: 36rem;
    color: var(--muted);
    font-size: clamp(1.1rem, 1rem + 0.65vw, 1.38rem);
}

.collection-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: clamp(1.2rem, 3vw, 2.2rem);
    border-radius: 8px;
    border: 1px solid oklch(75% 0.08 82);
    background:
        linear-gradient(135deg, oklch(24% 0.06 282), oklch(42% 0.12 18));
    box-shadow: 0 28px 74px oklch(25% 0.05 280 / 0.28);
    transform: rotate(-1deg);
}

.collection-board img {
    width: 92px;
    height: 92px;
    grid-column: 1 / -1;
    border-radius: 18px;
    background: var(--surface);
    padding: 8px;
}

.item-photo {
    min-height: 8rem;
    border-radius: 8px;
    background:
        linear-gradient(135deg, var(--gold), oklch(88% 0.08 92));
    box-shadow: inset 0 0 0 1px oklch(40% 0.05 82 / 0.16);
}

.item-photo.large {
    min-height: 14rem;
    grid-row: span 2;
    background:
        radial-gradient(circle at 60% 30%, oklch(91% 0.12 88), transparent 5rem),
        linear-gradient(135deg, var(--ruby), var(--violet));
}

.item-note {
    padding: 1rem;
    border-radius: 8px;
    background: oklch(99% 0.012 92);
}

.item-note span,
.item-note small {
    display: block;
    color: var(--muted);
}

.item-note strong {
    display: block;
    margin: 0.2rem 0;
    font-size: 1.55rem;
}

.feature-band {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.75fr);
    gap: clamp(2rem, 5vw, 4rem);
    padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 5rem);
    background: var(--surface);
    border-top: 1px solid var(--line);
}

.feature-band h2 {
    max-width: 12ch;
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 4.8rem);
    line-height: 0.95;
}

.feature-list p,
.feature-list li {
    color: var(--muted);
}

.feature-list ul {
    margin: 1rem 0 0;
    padding-left: 1.2rem;
}

@media (max-width: 760px) {
    .hero,
    .feature-band {
        grid-template-columns: 1fr;
    }

    .brand span {
        display: none;
    }

    .collection-board {
        transform: none;
    }
}