/* WiFi Meter website: same "instrument" palette and fonts as the app. Fonts are self-hosted so the
   site makes no third-party requests. */

@font-face { font-family: "Space Grotesk"; src: url("fonts/space_grotesk_regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("fonts/space_grotesk_medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("fonts/space_grotesk_bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains_mono_regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/jetbrains_mono_bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }

:root {
    --bg: #f3f0e8;
    --surface: #ebe7dc;
    --surface-high: #e2ddd0;
    --text: #151b21;
    --muted: #5e6873;
    --line: #d3cdbf;
    --accent: #007a5e;
    --on-accent: #ffffff;
    --accent-soft: #cdefe4;
    --warn: #b07400;
    --bad: #d2483b;
    --sans: "Space Grotesk", system-ui, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0a0f14;
        --surface: #111820;
        --surface-high: #18212c;
        --text: #e6edf3;
        --muted: #8a9aab;
        --line: #1e2935;
        --accent: #3df2c8;
        --on-accent: #00241c;
        --accent-soft: #0e2e29;
        --warn: #ffc14d;
        --bad: #ff6b5e;
        color-scheme: dark;
    }
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 400 17px/1.6 var(--sans);
}

a { color: var(--accent); text-underline-offset: 3px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */

.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 700 15px var(--mono); letter-spacing: 0.3em; }
.brand svg { flex: none; }
.nav { display: flex; gap: 20px; font: 400 13px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

/* Hero */

.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; padding: 72px 0 56px; }
.eyebrow { font: 700 12px var(--mono); letter-spacing: 0.25em; text-transform: uppercase; color: var(--accent); margin: 0 0 16px; }
.hero h1 { font-size: clamp(40px, 6vw, 64px); line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 20px; font-weight: 700; }
.hero p.lede { font-size: 19px; color: var(--muted); margin: 0 0 32px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border-radius: 999px; background: var(--accent); color: var(--on-accent); font-weight: 500; text-decoration: none; }
.button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.note { font: 400 13px var(--mono); color: var(--muted); }

.dial { width: 100%; max-width: 420px; justify-self: center; background: var(--surface); border: 1px solid var(--line); border-radius: 32px; padding: 28px 24px 20px; }
.dial svg { display: block; width: 100%; height: auto; }
.dial .reading { font: 700 64px var(--sans); fill: var(--text); }
.dial .unit { font: 400 14px var(--mono); fill: var(--muted); }
.dial .quality { font: 700 13px var(--mono); letter-spacing: 0.2em; fill: var(--accent); }
.dial .scale { font: 400 11px var(--mono); fill: var(--muted); }
.needle { transform-origin: 160px 160px; animation: sweep 6s ease-in-out infinite alternate; }
@keyframes sweep { from { transform: rotate(-18deg); } to { transform: rotate(14deg); } }
@media (prefers-reduced-motion: reduce) { .needle { animation: none; } }

/* Features */

.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(28px, 4vw, 36px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.01em; }
.section > .wrap > p { color: var(--muted); max-width: 40em; margin: 0 0 36px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.card .tag { display: inline-block; font: 700 11px var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.card h3 { font-size: 19px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.promise { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.promise div { border-left: 2px solid var(--accent); padding: 4px 0 4px 16px; }
.promise strong { display: block; font: 700 13px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 4px; }
.promise span { color: var(--muted); font-size: 15px; }

/* Legal pages */

.doc { max-width: 760px; padding: 56px 20px 72px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); line-height: 1.1; margin: 0 0 8px; letter-spacing: -0.02em; }
.doc .updated { font: 400 13px var(--mono); color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 22px; margin: 40px 0 8px; }
.doc h3 { font-size: 17px; margin: 24px 0 4px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 6px 0; }
.summary { background: var(--accent-soft); border-radius: 16px; padding: 20px 24px; margin: 0 0 8px; }
.summary p { margin: 0 0 8px; }
.summary ul { margin: 0; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { font: 700 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.table-scroll { overflow-x: auto; }
.caps { text-transform: uppercase; font-size: 15px; }

/* Footer */

.site-footer { border-top: 1px solid var(--line); padding: 32px 0; font: 400 13px var(--mono); color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: var(--muted); }

@media (max-width: 860px) {
    .hero { grid-template-columns: 1fr; padding: 48px 0 40px; gap: 40px; }
    .grid { grid-template-columns: 1fr 1fr; }
    .promise { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    body { font-size: 16px; }
    .wrap { padding: 0 16px; }
    .doc { padding: 40px 16px 56px; }
    .grid, .promise { grid-template-columns: 1fr; }
    .nav { gap: 14px; font-size: 12px; }
    .nav .hide-sm { display: none; }
    .brand span { letter-spacing: 0.2em; }
}
.dial { color: var(--text); }

/* Official Google Play badge; the image has built-in padding, so pull it flush with the text. */
.play-badge { display: inline-block; margin: -12px 0 -12px -12px; line-height: 0; }
.play-badge img { height: 80px; width: auto; }
.get-app { text-align: center; }
.section > .get-app > p { margin: 0 auto 16px; }
.get-app .play-badge { margin: -12px auto; }