:root {
    --bg: #0f172a;
    --bg-soft: #111827;
    --text: #e5e7eb;
    --muted: #c7cbd3;
    --brand: #eab308;
    --brand-2: #22d3ee;
    --card: #1f2937;
    --link: #60a5fa;
}

* {
    box-sizing: border-box;
}

html:focus-within {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji','Segoe UI Emoji';
    line-height: 1.65;
    letter-spacing: 0.1px;
}

a {
    color: var(--link);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 14px;
}

.container {
    width: min(1100px, 92vw);
    margin-inline: auto;
}

.skip {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip:focus {
    position: static;
    width: auto;
    height: auto;
    padding: .5rem .75rem;
    background: #111827;
    border: 2px solid var(--brand);
}

header.hero {
    padding: 6rem 0 3rem;
    background: radial-gradient(1200px 600px at 50% -10%, rgba(234,179,8,0.15), rgba(34,211,238,0.12) 30%, transparent 60%);
}

.eyebrow {
    color: var(--brand-2);
    text-transform: uppercase;
    letter-spacing: .2em;
    font-size: .8rem;
}

h1 {
    font-family: 'Merriweather', serif;
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 3.25rem);
    margin: .5rem 0 1rem;
}

.lead {
    color: var(--muted);
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    max-width: 60ch;
}

nav.toc {
    position: sticky;
    top: 0;
    backdrop-filter: blur(8px);
    background: rgba(15,23,42,.7);
    border-bottom: 1px solid rgba(255,255,255,.08);
    z-index: 5;
}

nav.toc .container {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: .5rem 0;
}

nav.toc a {
    color: var(--text);
    text-decoration: none;
    padding: .5rem .75rem;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.08);
    white-space: nowrap;
}

nav.toc a:hover {
    background: rgba(255,255,255,.06);
}

section {
    padding: 3.5rem 0;
}

h2 {
    font-family: 'Merriweather', serif;
    font-size: clamp(1.4rem, 3.2vw, 2rem);
    margin: 0 0 1rem;
}

.kicker {
    color: var(--brand);
    font-size: .95rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.card {
    background: var(--card);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px;
    padding: 1.25rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 900px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

figure {
    margin: 0;
}

figcaption {
    text-align: center;
}

figcaption {
    color: var(--muted);
    font-size: .9rem;
    margin-top: .5rem;
}

.gallery img {
    border-radius: 12px;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.quote {
    font-family: 'Merriweather', serif;
    font-size: 1.1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
}

.quote img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--brand);
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.quote blockquote {
    margin: 0;
    font-style: italic;
    line-height: 1.5;
}

.quote figcaption {
    color: #94a3b8;
    font-size: 0.9rem;
    text-align: center;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid rgba(255,255,255,.12);
    padding: .35rem .65rem;
    border-radius: 999px;
    font-size: .85rem;
    color: var(--muted);
}

.cta {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    background: linear-gradient(90deg, var(--brand), var(--brand-2));
    color: #111; padding: .9rem 1.1rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
}

footer {
    border-top: 1px solid rgba(255,255,255,.08);
    color: var(--muted);
}

.ratio {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: 12px;
    overflow: hidden;
}

.ratio iframe, .ratio video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.slider-wrap {
    display: grid;
    gap: .75rem;
}

input[type=range] {
    width: 100%;

}
.result {
    font-weight: 700;
}