:root {
    --asphalt: #12151a;
    --asphalt-2: #191d25;
    --asphalt-3: #232830;
    --bone: #ede8e0;
    --bone-dim: #99a0aa;
    --safe: #6e9e7c;
    --caution: #d4a73c;
    --risky: #d06b32;
    --danger: #a63a38;

    --measure: 62ch;
    --gap: clamp(3.5rem, 9vw, 7rem);
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--asphalt);
    color: var(--bone);
    font-family: "Archivo", system-ui, -apple-system, sans-serif;
    font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    line-height: 1.65;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    width: min(100% - 2.5rem, 68rem);
    margin-inline: auto;
}

a {
    color: inherit;
}

/* ---------------------------------------------------------------- nav */

.nav {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: 1.75rem;
    flex-wrap: wrap;
}

.wordmark {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9375rem;
    color: var(--bone-dim);
}

.nav-links a {
    text-decoration: none;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--bone);
    border-bottom-color: var(--bone);
}

.lang {
    background: none;
    border: 1px solid var(--asphalt-3);
    color: var(--bone-dim);
    font: inherit;
    font-size: 0.875rem;
    padding: 0.15rem 0.6rem;
    border-radius: 2px;
    cursor: pointer;
}

.lang:hover {
    color: var(--bone);
    border-color: var(--bone-dim);
}

/* ---------------------------------------------------------------- hero */

.hero {
    padding-block: clamp(2.5rem, 7vw, 5.5rem) var(--gap);
}

.hero h1 {
    font-size: clamp(2.75rem, 1.4rem + 6.4vw, 6.5rem);
    line-height: 0.94;
    letter-spacing: -0.045em;
    font-weight: 800;
    margin: 0;
    max-width: 14ch;
}

.hero p {
    max-width: 46ch;
    color: var(--bone-dim);
    font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
    margin: 1.75rem 0 0;
}

/* ------------------------------------------------------ the risk scale */

.scale {
    margin-top: clamp(2.5rem, 6vw, 4rem);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3px;
}

.band {
    padding: 1rem 0.9rem 1.15rem;
    border-top: 4px solid var(--tone);
    background: var(--asphalt-2);
    min-height: 6.5rem;
}

.band b {
    display: block;
    font-weight: 700;
    font-size: clamp(0.9375rem, 0.85rem + 0.4vw, 1.1875rem);
    letter-spacing: -0.01em;
    color: var(--tone);
}

.band span {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--bone-dim);
}

.band--safe { --tone: var(--safe); }
.band--caution { --tone: var(--caution); }
.band--risky { --tone: var(--risky); }
.band--danger { --tone: var(--danger); }

@media (prefers-reduced-motion: no-preference) {
    .band {
        animation: rise 0.5s cubic-bezier(0.2, 0.7, 0.3, 1) backwards;
    }
    .band:nth-child(1) { animation-delay: 0.05s; }
    .band:nth-child(2) { animation-delay: 0.13s; }
    .band:nth-child(3) { animation-delay: 0.21s; }
    .band:nth-child(4) { animation-delay: 0.29s; }
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(0.75rem);
    }
}

@media (max-width: 40rem) {
    .scale {
        grid-template-columns: 1fr 1fr;
    }
}

/* ---------------------------------------------------------------- cta */

.stores {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.5rem;
}

.store {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    border: 1px solid var(--bone);
    border-radius: 2px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
}

.store:hover,
.store:focus-visible {
    background: var(--bone);
    color: var(--asphalt);
}

/* ------------------------------------------------------------ sections */

section {
    padding-block: var(--gap);
    border-top: 1px solid var(--asphalt-3);
}

h2 {
    font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.125rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
    font-weight: 700;
    margin: 0 0 1.75rem;
    max-width: 20ch;
}

h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 0.4rem;
}

section > p,
.prose p,
.prose li {
    max-width: var(--measure);
}

.lede {
    color: var(--bone-dim);
    font-size: 1.125rem;
    margin-top: -0.75rem;
    margin-bottom: 2.5rem;
}

/* factors */

.factors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 2rem 2.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.factors li {
    max-width: 34ch;
}

.factors p {
    margin: 0;
    color: var(--bone-dim);
    font-size: 0.9375rem;
}

/* privacy stance */

.stance {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.9rem;
    max-width: var(--measure);
}

.stance li {
    display: grid;
    grid-template-columns: 1.4rem 1fr;
    gap: 0.5rem;
    align-items: baseline;
}

.stance li::before {
    content: "—";
    color: var(--safe);
    font-weight: 700;
}

/* ------------------------------------------------------------- prose */

.prose {
    padding-block: clamp(2rem, 5vw, 3.5rem) var(--gap);
}

.prose h1 {
    font-size: clamp(2rem, 1.6rem + 1.8vw, 3rem);
    letter-spacing: -0.035em;
    line-height: 1.05;
    margin: 0 0 0.5rem;
}

.updated {
    color: var(--bone-dim);
    font-size: 0.9375rem;
    margin: 0 0 3rem;
}

.prose h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-size: 1.375rem;
}

.prose h3 {
    margin-top: 2rem;
    font-size: 1.0625rem;
}

.prose ul,
.prose ol {
    max-width: var(--measure);
    padding-left: 1.2rem;
}

.prose li {
    margin-bottom: 0.4rem;
}

.prose strong {
    font-weight: 700;
}

.prose a {
    color: var(--bone);
}

/* ------------------------------------------------------------- footer */

footer {
    border-top: 1px solid var(--asphalt-3);
    padding-block: 2.5rem 3.5rem;
    color: var(--bone-dim);
    font-size: 0.9375rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
    justify-content: space-between;
}

footer a {
    text-decoration: none;
    border-bottom: 1px solid var(--asphalt-3);
}

footer a:hover,
footer a:focus-visible {
    color: var(--bone);
    border-bottom-color: var(--bone);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* ------------------------------------------------------------ a11y */

:focus-visible {
    outline: 2px solid var(--caution);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}