/*
Theme Name: Burn
Theme URI: https://burn.app
Author: Burn
Description: Editorial and design theme for the Burn fasting app website. Hub archives, articles and press releases are fully editable in WordPress; bespoke marketing pages render from the theme's design library.
Version: 1.1.0
Requires at least: 6.5
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: burn
*/

:root {
	--burn-ink: #111114;
	--burn-ink-2: #5E6068;
	--burn-line: #E5E6E2;
	--burn-paper: #FAFAF7;
	--burn-white: #FFFFFF;
	--burn-flame: #F97005;
	--burn-flame-deep: #EB4704;
	--burn-flame-ink: #B35004;
	--burn-flame-ink-2: #8D4003;
	--burn-dark: #0B0C10;
	--burn-dark-2: #1C0E1E;
	--burn-dark-3: #4A1A05;
	--burn-on-dark: #F5F5F3;
	--burn-on-dark-2: #A2A4AC;
	--burn-sans: Switzer, system-ui, -apple-system, sans-serif;
	--burn-serif: 'Source Serif 4', Georgia, serif;
	--burn-mono: 'JetBrains Mono', ui-monospace, monospace;
	--burn-wide: 1440px;
	--burn-read: 46em;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body.burn-editorial {
	margin: 0;
	background: var(--burn-paper);
	color: var(--burn-ink);
	font-family: var(--burn-sans);
	font-size: 18px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	text-wrap: pretty;
}

.burn-editorial img { max-width: 100%; height: auto; }
.burn-editorial a { color: var(--burn-flame-ink); }
.burn-editorial a:hover { color: var(--burn-flame-ink-2); }

/* ---- Header ---- */
.burn-head { border-bottom: 1px solid var(--burn-line); background: var(--burn-paper); }
.burn-head__in {
	max-width: var(--burn-wide); margin: 0 auto; padding: 20px 40px;
	display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.burn-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--burn-ink); }
.burn-brand img { border-radius: 8px; display: block; }
.burn-brand span { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.burn-nav { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 500; }
.burn-nav a { color: var(--burn-ink-2); text-decoration: none; transition: color .2s ease; }
.burn-nav a:hover { color: var(--burn-flame-ink); }
.burn-cta {
	background: var(--burn-flame); color: var(--burn-ink); font-size: 15px; font-weight: 600;
	text-decoration: none; padding: 11px 20px; border-radius: 6px; white-space: nowrap;
	transition: background .25s ease, transform .25s ease;
}
.burn-cta:hover { background: var(--burn-flame-deep); color: var(--burn-ink); transform: translateY(-2px); }
.burn-cta--lg { font-size: 17px; padding: 16px 30px; }

/* ---- Shared type ---- */
.burn-eyebrow {
	font-family: var(--burn-mono); font-size: 13px; letter-spacing: 0.06em;
	color: var(--burn-ink-2); margin: 0 0 24px;
}
.burn-eyebrow a { color: var(--burn-ink-2); text-decoration: none; }
.burn-eyebrow a:hover { color: var(--burn-flame-ink); }
.burn-eyebrow span { color: var(--burn-line); padding: 0 4px; }
.burn-standfirst {
	font-family: var(--burn-serif); font-size: 23px; line-height: 1.55;
	color: var(--burn-ink); margin: 0 0 22px; max-width: 30em;
}

/* ---- Article ---- */
.burn-article { max-width: var(--burn-wide); margin: 0 auto; padding: 72px 40px 40px; }
.burn-article__head { max-width: 54em; }
.burn-article__head h1 {
	font-size: clamp(38px, 5vw, 64px); line-height: 1.05; letter-spacing: -0.03em;
	font-weight: 600; margin: 0 0 24px;
}
.burn-byline { font-size: 15px; color: var(--burn-ink-2); margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.burn-byline span { color: var(--burn-line); }
.burn-article__hero { margin: 48px 0 0; }
.burn-article__hero img { border-radius: 24px; display: block; width: 100%; }

/* ---- Prose: what the WordPress editor produces ---- */
.burn-prose { max-width: var(--burn-read); margin: 48px 0 0; }
.burn-prose > * { margin-block: 0 26px; }
.burn-prose > *:last-child { margin-bottom: 0; }
.burn-prose p { font-size: 19px; line-height: 1.7; color: var(--burn-ink); }
.burn-prose h2 {
	font-size: 34px; line-height: 1.15; letter-spacing: -0.025em; font-weight: 600;
	margin-block: 56px 18px; padding-top: 8px; border-top: 1px solid var(--burn-line);
}
.burn-prose h3 { font-size: 24px; line-height: 1.2; font-weight: 600; margin-block: 40px 12px; }
.burn-prose h4 { font-size: 20px; font-weight: 600; margin-block: 32px 10px; }
.burn-prose ul, .burn-prose ol { padding-left: 24px; }
.burn-prose li { font-size: 19px; line-height: 1.7; margin-bottom: 10px; }
.burn-prose li::marker { color: var(--burn-flame-ink); }
.burn-prose strong { font-weight: 600; }
.burn-prose blockquote {
	margin: 40px 0; padding: 28px 32px; background: var(--burn-white);
	border: 1px solid var(--burn-line); border-radius: 20px;
}
.burn-prose blockquote p { font-family: var(--burn-serif); font-size: 21px; line-height: 1.6; margin: 0; }
.burn-prose blockquote cite { display: block; margin-top: 14px; font-size: 15px; font-style: normal; color: var(--burn-ink-2); }
.burn-prose figure { margin: 44px 0; }
.burn-prose figure img { border-radius: 20px; display: block; }
.burn-prose figcaption { font-size: 15px; color: var(--burn-ink-2); margin-top: 12px; }
.burn-prose table { width: 100%; border-collapse: collapse; font-size: 17px; }
.burn-prose th, .burn-prose td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--burn-line); }
.burn-prose th { font-weight: 600; }
.burn-prose code {
	font-family: var(--burn-mono); font-size: 16px; background: var(--burn-white);
	border: 1px solid var(--burn-line); border-radius: 5px; padding: 2px 6px;
}
.burn-prose hr { border: none; border-top: 1px solid var(--burn-line); margin: 56px 0; }
.burn-prose .wp-block-button__link {
	background: var(--burn-flame); color: var(--burn-ink); font-weight: 600;
	padding: 15px 26px; border-radius: 6px; text-decoration: none; display: inline-block;
	transition: background .25s ease, transform .25s ease;
}
.burn-prose .wp-block-button__link:hover { background: var(--burn-flame-deep); transform: translateY(-2px); }

/* ---- Read next ---- */
.burn-related { max-width: var(--burn-wide); margin: 80px 0 0; border-top: 1px solid var(--burn-line); padding-top: 44px; }
.burn-related h2 { font-size: 32px; letter-spacing: -0.025em; font-weight: 600; margin: 0 0 32px; }
.burn-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.burn-related a { text-decoration: none; color: var(--burn-ink); border-top: 2px solid var(--burn-ink); padding-top: 20px; display: block; transition: transform .3s cubic-bezier(.22,1,.36,1), border-color .25s ease; }
.burn-related a:hover { transform: translateY(-3px); border-top-color: var(--burn-flame); color: var(--burn-ink); }
.burn-related__kicker { font-family: var(--burn-mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--burn-ink-2); margin: 0 0 12px; }
.burn-related h3 { font-family: var(--burn-serif); font-size: 21px; line-height: 1.3; font-weight: 600; margin: 0; }

/* ---- Hub archive ---- */
.burn-hub { max-width: var(--burn-wide); margin: 0 auto; padding: 72px 40px 40px; }
.burn-hub__head { max-width: 46em; margin-bottom: 56px; }
.burn-hub__head h1 { font-size: clamp(44px, 6vw, 72px); line-height: 1.03; letter-spacing: -0.035em; font-weight: 600; margin: 0 0 24px; }
.burn-hub__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px; }
.burn-card { text-decoration: none; color: var(--burn-ink); display: block; transition: transform .35s cubic-bezier(.22,1,.36,1); }
.burn-card:hover { transform: translateY(-4px); color: var(--burn-ink); }
.burn-card__img { border-radius: 20px; overflow: hidden; margin-bottom: 20px; aspect-ratio: 16 / 10; }
.burn-card__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.burn-card__kicker { font-family: var(--burn-mono); font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--burn-ink-2); margin: 0 0 10px; }
.burn-card h2 { font-size: 24px; line-height: 1.2; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 10px; }
.burn-card__dek { font-size: 16px; line-height: 1.6; color: var(--burn-ink-2); margin: 0; }
.burn-empty { color: var(--burn-ink-2); }
.burn-pager { margin: 64px 0 0; font-size: 16px; }
.burn-pager .page-numbers { padding: 8px 14px; text-decoration: none; border-radius: 6px; }
.burn-pager .current { background: var(--burn-ink); color: var(--burn-on-dark); }

/* ---- Closing CTA ---- */
.burn-endcta {
	margin-top: 88px; padding: 88px 40px; text-align: center;
	background: radial-gradient(85% 130% at 50% 110%, var(--burn-dark-3) 0%, var(--burn-dark-2) 48%, var(--burn-dark) 100%);
	color: var(--burn-on-dark);
}
.burn-endcta h2 {
	font-size: clamp(32px, 4.4vw, 46px); line-height: 1.1; letter-spacing: -0.03em; font-weight: 600;
	margin: 0 auto 20px; max-width: 22em;
	background: linear-gradient(180deg, #FCE337 0%, #FBBA07 22%, #FB9F06 55%, var(--burn-flame) 100%);
	-webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.burn-endcta p { font-size: 19px; line-height: 1.6; color: var(--burn-on-dark-2); margin: 0 auto 36px; max-width: 32em; }
.burn-endcta__fine { font-size: 13px; margin: 20px 0 0 !important; }

/* ---- Footer ---- */
.burn-foot { background: var(--burn-paper); border-top: 1px solid var(--burn-line); }
.burn-foot__in {
	max-width: var(--burn-wide); margin: 0 auto; padding: 64px 40px 48px;
	display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px;
}
.burn-foot__brand p { font-size: 14px; line-height: 1.6; color: var(--burn-ink-2); margin: 14px 0 0; max-width: 24em; }
.burn-foot__col { display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.burn-foot__label { font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--burn-ink); margin: 0 0 4px; }
.burn-foot__col a { color: var(--burn-ink-2); text-decoration: none; transition: color .2s ease; }
.burn-foot__col a:hover { color: var(--burn-flame-ink); }
.burn-foot__legal { max-width: var(--burn-wide); margin: 0 auto; padding: 0 40px 48px; }
.burn-foot__legal p { font-size: 13px; color: var(--burn-ink-2); margin: 0; border-top: 1px solid var(--burn-line); padding-top: 24px; }

@media (max-width: 1080px) {
	.burn-related__grid, .burn-hub__grid { grid-template-columns: repeat(2, 1fr); }
	.burn-foot__in { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 860px) {
	.burn-head__in { flex-wrap: wrap; gap: 16px; padding: 16px 24px; }
	.burn-nav { order: 3; width: 100%; overflow-x: auto; gap: 20px; padding-bottom: 4px; }
	.burn-article, .burn-hub { padding: 48px 24px 32px; }
	.burn-related__grid, .burn-hub__grid { grid-template-columns: 1fr; }
	.burn-foot__in { grid-template-columns: 1fr 1fr; padding: 48px 24px 32px; }
	.burn-foot__legal { padding: 0 24px 40px; }
	.burn-endcta { padding: 64px 24px; }
	.burn-prose p, .burn-prose li { font-size: 18px; }
}