/* ─────────────────────────────────────────────────────────
   Dog Bicycle Trailer Pro — main design system
   ───────────────────────────────────────────────────────── */

:root {
	--dbt-primary: #264653;
	--dbt-secondary: #2a9d8f;
	--dbt-accent: #e9c46a;
	--dbt-highlight: #f4a261;
	--dbt-cream: #fefae0;
	--dbt-navy: #1d3557;
	--dbt-bg: #fbfaf6;
	--dbt-surface: #ffffff;
	--dbt-surface-2: #f5f3eb;
	--dbt-ink: #1a2530;
	--dbt-ink-soft: #4b5b66;
	--dbt-muted: #7d8a93;
	--dbt-border: #e3e1d6;
	--dbt-border-soft: #eee9d8;
	--dbt-success: #2a9d8f;
	--dbt-warning: #f4a261;
	--dbt-danger: #c1393b;
	--dbt-shadow: 0 12px 32px -16px rgba(38, 70, 83, 0.25);
	--dbt-shadow-lg: 0 24px 60px -24px rgba(38, 70, 83, 0.35);
	--dbt-radius: 14px;
	--dbt-radius-lg: 24px;
	--dbt-radius-sm: 8px;
	--dbt-container: 1200px;
	--dbt-gap: clamp(16px, 2vw, 28px);
	--dbt-section-py: clamp(56px, 7vw, 96px);
	--dbt-font-heading: 'Poppins', system-ui, sans-serif;
	--dbt-font-body: 'Inter', system-ui, sans-serif;
	--dbt-trans: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
	--dbt-grad-primary: linear-gradient(135deg, var(--dbt-primary) 0%, var(--dbt-secondary) 100%);
	--dbt-grad-warm: linear-gradient(135deg, var(--dbt-highlight) 0%, var(--dbt-accent) 100%);
	--dbt-grad-trail: linear-gradient(135deg, var(--dbt-navy) 0%, var(--dbt-primary) 60%, var(--dbt-secondary) 100%);
}

/* Reset + base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--dbt-font-body);
	font-size: 16px;
	line-height: 1.65;
	color: var(--dbt-ink);
	background: var(--dbt-bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--dbt-secondary); text-decoration: none; transition: color var(--dbt-trans); }
a:hover { color: var(--dbt-primary); }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4, h5, h6 {
	font-family: var(--dbt-font-heading);
	font-weight: 700;
	line-height: 1.2;
	color: var(--dbt-primary);
	margin: 0 0 0.6em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
p { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--dbt-border); margin: 2em 0; }
blockquote {
	border-left: 4px solid var(--dbt-secondary);
	padding: 12px 18px;
	background: var(--dbt-surface-2);
	margin: 1.4em 0;
	border-radius: 0 var(--dbt-radius-sm) var(--dbt-radius-sm) 0;
	font-style: italic;
}
code, pre { font-family: 'Space Grotesk', monospace; background: var(--dbt-surface-2); padding: 2px 6px; border-radius: 4px; }
pre { padding: 16px; overflow-x: auto; }

/* Skip link + a11y */
.dbt-skip-link {
	position: absolute; left: -9999px; top: 0;
	background: var(--dbt-primary); color: #fff; padding: 12px 18px; z-index: 9999;
}
.dbt-skip-link:focus { left: 12px; top: 12px; outline: 3px solid var(--dbt-accent); }
.screen-reader-text {
	clip: rect(1px, 1px, 1px, 1px);
	position: absolute !important;
	height: 1px; width: 1px;
	overflow: hidden;
	word-wrap: normal !important;
}

/* Container */
.dbt-container {
	width: min(100% - 2 * 20px, var(--dbt-container));
	margin-inline: auto;
}

/* Atmosphere */
.dbt-atmosphere {
	position: fixed; inset: 0;
	pointer-events: none;
	z-index: 0;
	overflow: hidden;
}
.dbt-particles, .dbt-leaves, .dbt-trail-lines { position: absolute; inset: 0; opacity: 0.4; }
.dbt-particles::before, .dbt-particles::after {
	content: ""; position: absolute; width: 4px; height: 4px;
	background: var(--dbt-accent); border-radius: 50%;
	box-shadow:
		120px 220px 0 -1px var(--dbt-accent),
		320px 120px 0 -1px var(--dbt-secondary),
		520px 320px 0 -1px var(--dbt-highlight),
		720px 80px 0 -1px var(--dbt-accent),
		920px 280px 0 -1px var(--dbt-secondary),
		1100px 180px 0 -1px var(--dbt-accent);
	animation: dbtFloat 24s linear infinite;
}
@keyframes dbtFloat {
	from { transform: translateY(0); }
	to   { transform: translateY(-100vh); }
}

/* Header / Masthead */
.dbt-masthead { position: relative; z-index: 100; background: var(--dbt-surface); border-bottom: 1px solid var(--dbt-border-soft); }
.dbt-top-bar { background: var(--dbt-primary); color: #fff; font-size: 13px; }
.dbt-top-bar .dbt-container {
	display: flex; align-items: center; justify-content: space-between;
	gap: 16px; padding: 8px 0; flex-wrap: wrap;
}
.dbt-top-disclosure { display: flex; align-items: center; gap: 8px; opacity: 0.92; }
.dbt-disclosure-dot {
	width: 7px; height: 7px; background: var(--dbt-accent);
	border-radius: 50%; box-shadow: 0 0 0 3px rgba(233, 196, 106, 0.25);
	animation: dbtPulse 2s ease-in-out infinite;
}
@keyframes dbtPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.dbt-top-actions { display: flex; gap: 18px; }
.dbt-top-link { color: rgba(255, 255, 255, 0.88); }
.dbt-top-link:hover { color: var(--dbt-accent); }

.dbt-nav-inner {
	display: flex; align-items: center; justify-content: space-between;
	gap: 24px; padding: 16px 0;
}
.dbt-branding { display: flex; align-items: center; }
.dbt-site-title-link {
	display: flex; align-items: center; gap: 12px;
	color: var(--dbt-primary); text-decoration: none;
}
.dbt-logo-mark {
	width: 44px; height: 44px;
	background: var(--dbt-grad-primary);
	color: #fff; border-radius: 12px;
	display: inline-flex; align-items: center; justify-content: center;
	box-shadow: var(--dbt-shadow);
}
.dbt-logo-mark svg { width: 28px; height: 28px; }
.dbt-site-title { display: block; font-family: var(--dbt-font-heading); font-weight: 800; font-size: 18px; }
.dbt-site-tagline { display: block; font-size: 11px; color: var(--dbt-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.dbt-primary-menu {
	list-style: none; margin: 0; padding: 0;
	display: flex; gap: 4px; align-items: center;
}
.dbt-primary-menu a {
	display: inline-flex; padding: 10px 14px;
	color: var(--dbt-ink); font-weight: 500; font-size: 15px;
	border-radius: var(--dbt-radius-sm);
	transition: background var(--dbt-trans), color var(--dbt-trans);
}
.dbt-primary-menu a:hover, .dbt-primary-menu .current-menu-item > a {
	background: var(--dbt-surface-2); color: var(--dbt-primary);
}

.dbt-mobile-toggle {
	display: none; background: var(--dbt-surface-2); border: 0;
	width: 44px; height: 44px; border-radius: var(--dbt-radius-sm);
	align-items: center; justify-content: center;
}
.dbt-toggle-icon { width: 22px; display: flex; flex-direction: column; gap: 4px; }
.dbt-toggle-icon span { height: 2px; background: var(--dbt-primary); border-radius: 1px; transition: var(--dbt-trans); }

/* Buttons */
.dbt-btn {
	display: inline-flex; align-items: center; justify-content: center;
	gap: 6px; padding: 12px 22px; border: 0; cursor: pointer;
	font-family: var(--dbt-font-heading); font-weight: 600; font-size: 15px;
	border-radius: 999px; text-decoration: none; transition: var(--dbt-trans);
	white-space: nowrap;
}
.dbt-btn-primary { background: var(--dbt-grad-primary); color: #fff; box-shadow: var(--dbt-shadow); }
.dbt-btn-primary:hover { transform: translateY(-2px); box-shadow: var(--dbt-shadow-lg); color: #fff; }
.dbt-btn-accent { background: var(--dbt-grad-warm); color: var(--dbt-primary); }
.dbt-btn-accent:hover { transform: translateY(-2px); color: var(--dbt-primary); }
.dbt-btn-outline { background: transparent; color: var(--dbt-primary); border: 2px solid var(--dbt-primary); }
.dbt-btn-outline:hover { background: var(--dbt-primary); color: #fff; }
.dbt-btn-glass {
	background: rgba(255, 255, 255, 0.18);
	color: #fff; backdrop-filter: blur(14px);
	border: 1px solid rgba(255, 255, 255, 0.35);
}
.dbt-btn-glass:hover { background: rgba(255, 255, 255, 0.28); color: #fff; }
.dbt-btn-large { padding: 16px 30px; font-size: 16px; }
.dbt-btn-compact { padding: 8px 16px; font-size: 14px; }
.dbt-btn-full { width: 100%; }
.dbt-btn:focus-visible { outline: 3px solid var(--dbt-accent); outline-offset: 2px; }

/* Section base */
.dbt-section {
	position: relative;
	padding: var(--dbt-section-py) 0;
	z-index: 1;
}
.dbt-section + .dbt-section { border-top: 1px solid var(--dbt-border-soft); }
.dbt-section-header { max-width: 760px; margin: 0 auto 48px; }
.dbt-section-header--center { text-align: center; }
.dbt-section-eyebrow {
	display: inline-block; font-size: 12px;
	letter-spacing: 0.18em; text-transform: uppercase;
	color: var(--dbt-secondary); font-weight: 700;
	padding: 6px 14px; border-radius: 999px;
	background: rgba(42, 157, 143, 0.1);
	margin-bottom: 12px;
}
.dbt-section-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 0 0 12px; }
.dbt-section-sub { color: var(--dbt-ink-soft); font-size: 17px; margin: 0; }

/* Back to top */
.dbt-back-to-top {
	position: fixed; right: 20px; bottom: 100px;
	width: 44px; height: 44px;
	background: var(--dbt-primary); color: #fff;
	border: 0; border-radius: 50%; box-shadow: var(--dbt-shadow);
	display: none; align-items: center; justify-content: center;
	z-index: 60;
}
.dbt-back-to-top svg { width: 22px; height: 22px; }
.dbt-back-to-top.is-visible { display: flex; }

/* Mobile sticky CTA */
.dbt-mobile-sticky-cta {
	display: none;
	position: fixed; left: 12px; right: 12px; bottom: 12px;
	z-index: 90;
	box-shadow: var(--dbt-shadow-lg);
}

/* Forms */
.dbt-field { display: flex; flex-direction: column; gap: 6px; }
.dbt-field-label { font-size: 13px; font-weight: 600; color: var(--dbt-ink-soft); }
.dbt-field input, .dbt-field select, .dbt-field textarea {
	padding: 12px 14px;
	border: 1.5px solid var(--dbt-border);
	background: var(--dbt-surface);
	border-radius: var(--dbt-radius-sm);
	font: inherit; color: var(--dbt-ink);
	transition: border-color var(--dbt-trans);
}
.dbt-field input:focus, .dbt-field select:focus {
	outline: none; border-color: var(--dbt-secondary);
	box-shadow: 0 0 0 4px rgba(42, 157, 143, 0.12);
}

/* Search form */
.dbt-search-form {
	display: flex; align-items: center; gap: 8px;
	background: var(--dbt-surface); border: 2px solid var(--dbt-border);
	padding: 4px; border-radius: 999px; max-width: 520px;
}
.dbt-search-input { flex: 1; border: 0; padding: 10px 16px; background: transparent; font: inherit; }
.dbt-search-input:focus { outline: none; }
.dbt-search-submit {
	background: var(--dbt-primary); color: #fff; border: 0;
	width: 40px; height: 40px; border-radius: 50%;
	display: inline-flex; align-items: center; justify-content: center;
}
.dbt-search-submit svg { width: 20px; height: 20px; }

/* Breadcrumbs */
.dbt-breadcrumbs { font-size: 13px; color: var(--dbt-muted); margin: 0 0 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.dbt-breadcrumbs a { color: var(--dbt-muted); }
.dbt-breadcrumbs a:hover { color: var(--dbt-secondary); }
.dbt-bc-sep { margin: 0 2px; }

/* Post cards */
.dbt-post-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: var(--dbt-gap);
}
.dbt-post-card {
	background: var(--dbt-surface);
	border: 1px solid var(--dbt-border-soft);
	border-radius: var(--dbt-radius);
	overflow: hidden;
	transition: transform var(--dbt-trans), box-shadow var(--dbt-trans);
}
.dbt-post-card:hover { transform: translateY(-4px); box-shadow: var(--dbt-shadow-lg); }
.dbt-post-card-thumb { display: block; aspect-ratio: 16/10; overflow: hidden; }
.dbt-post-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.dbt-post-card:hover .dbt-post-card-thumb img { transform: scale(1.05); }
.dbt-post-card-body { padding: 20px; }
.dbt-post-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--dbt-muted); margin-bottom: 8px; }
.dbt-post-cat {
	background: rgba(42, 157, 143, 0.12); color: var(--dbt-secondary);
	padding: 3px 10px; border-radius: 999px; font-weight: 600;
}
.dbt-post-card-title { font-size: 18px; margin: 0 0 8px; }
.dbt-post-card-title a { color: var(--dbt-primary); }
.dbt-post-card-title a:hover { color: var(--dbt-secondary); }
.dbt-post-card-excerpt { color: var(--dbt-ink-soft); font-size: 14px; }
.dbt-post-card-link { font-weight: 600; font-size: 14px; }

/* Single post */
.dbt-single-wrap, .dbt-page-wrap, .dbt-archive-wrap, .dbt-search-wrap {
	padding: 40px 0 var(--dbt-section-py);
	position: relative; z-index: 1;
}
.dbt-single-header { max-width: 760px; margin: 0 auto 30px; }
.dbt-single-meta {
	display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
	font-size: 13px; color: var(--dbt-muted); margin-bottom: 12px;
}
.dbt-single-cat {
	background: rgba(42, 157, 143, 0.12); color: var(--dbt-secondary);
	padding: 4px 12px; border-radius: 999px; font-weight: 600;
}
.dbt-single-title { font-size: clamp(2rem, 4vw, 3rem); }
.dbt-single-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.dbt-single-author img { border-radius: 50%; }
.dbt-author-name { display: block; font-weight: 600; }
.dbt-author-role { display: block; font-size: 13px; color: var(--dbt-muted); }
.dbt-single-thumb img { width: 100%; max-height: 540px; object-fit: cover; border-radius: var(--dbt-radius-lg); }
.dbt-single-layout { display: grid; grid-template-columns: 1fr; gap: 40px; margin-top: 40px; }
@media (min-width: 1024px) { .dbt-single-layout { grid-template-columns: minmax(0, 1fr) 320px; } }
.dbt-single-content { font-size: 17px; line-height: 1.75; }
.dbt-single-content h2, .dbt-single-content h3 { margin-top: 1.8em; }
.dbt-single-sidebar { position: relative; }
.dbt-sticky { position: sticky; top: 100px; }
.dbt-sidebar-card {
	background: var(--dbt-surface); border: 1px solid var(--dbt-border-soft);
	padding: 22px; border-radius: var(--dbt-radius); box-shadow: var(--dbt-shadow);
}

.dbt-affiliate-disclosure-inline {
	background: var(--dbt-surface-2); border-left: 4px solid var(--dbt-accent);
	padding: 14px 18px; border-radius: 0 var(--dbt-radius-sm) var(--dbt-radius-sm) 0;
	font-size: 14px; color: var(--dbt-ink-soft); margin: 24px 0;
}

.dbt-tag {
	display: inline-block; background: var(--dbt-surface-2); padding: 4px 12px;
	border-radius: 999px; font-size: 12px; color: var(--dbt-ink-soft); margin: 4px 4px 0 0;
}

.dbt-post-nav {
	display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px;
}
.dbt-post-nav a {
	display: block; background: var(--dbt-surface);
	border: 1px solid var(--dbt-border-soft);
	padding: 16px; border-radius: var(--dbt-radius);
	transition: var(--dbt-trans);
}
.dbt-post-nav a:hover { box-shadow: var(--dbt-shadow); }
.dbt-nav-label { display: block; font-size: 12px; color: var(--dbt-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.dbt-nav-title { display: block; color: var(--dbt-primary); font-weight: 600; margin-top: 4px; }

.dbt-pagination {
	margin-top: 48px; display: flex; justify-content: center;
}
.dbt-pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 40px; height: 40px; padding: 0 12px;
	border-radius: var(--dbt-radius-sm);
	background: var(--dbt-surface); border: 1px solid var(--dbt-border-soft);
	color: var(--dbt-ink); font-weight: 600; margin: 0 4px;
}
.dbt-pagination .page-numbers.current { background: var(--dbt-primary); color: #fff; border-color: var(--dbt-primary); }
.dbt-pagination .page-numbers:hover { background: var(--dbt-surface-2); }

/* Footer */
.dbt-footer {
	position: relative;
	background: var(--dbt-primary);
	color: rgba(255, 255, 255, 0.85);
	padding: var(--dbt-section-py) 0 0;
	z-index: 1;
}
.dbt-footer-top .dbt-container {
	display: grid; gap: 40px;
	grid-template-columns: 1fr;
}
@media (min-width: 768px) {
	.dbt-footer-top .dbt-container { grid-template-columns: 1.3fr 2.4fr; }
}
.dbt-footer-brand .dbt-logo-mark { background: rgba(255, 255, 255, 0.12); }
.dbt-footer-title { color: #fff; margin: 14px 0 8px; font-size: 22px; }
.dbt-footer-desc { color: rgba(255, 255, 255, 0.75); font-size: 14px; }
.dbt-footer-columns {
	display: grid; gap: 28px;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.dbt-footer-widget-title { color: var(--dbt-accent); font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.dbt-footer-menu { list-style: none; padding: 0; margin: 0; }
.dbt-footer-menu li { margin-bottom: 8px; }
.dbt-footer-menu a { color: rgba(255, 255, 255, 0.78); font-size: 14px; }
.dbt-footer-menu a:hover { color: var(--dbt-accent); }
.dbt-footer-newsletter-form { display: flex; gap: 6px; margin: 12px 0 8px; }
.dbt-footer-newsletter-form input {
	flex: 1; padding: 10px 14px; border: 0;
	background: rgba(255, 255, 255, 0.95); color: var(--dbt-ink);
	border-radius: var(--dbt-radius-sm);
}
.dbt-newsletter-note { color: rgba(255, 255, 255, 0.55); font-size: 12px; }
.dbt-footer-bottom { margin-top: 60px; border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 22px 0; }
.dbt-footer-legal {
	display: flex; flex-wrap: wrap; gap: 12px;
	justify-content: space-between; font-size: 13px;
	color: rgba(255, 255, 255, 0.6);
}
.dbt-amazon-disclosure { max-width: 720px; }

/* Comments */
.dbt-comments { margin-top: 50px; padding-top: 40px; border-top: 1px solid var(--dbt-border-soft); }
.dbt-comment-list { list-style: none; padding: 0; }

/* Widgets */
.dbt-widget { background: var(--dbt-surface); padding: 22px; border-radius: var(--dbt-radius); border: 1px solid var(--dbt-border-soft); margin-bottom: 20px; }
.dbt-widget-title { font-size: 16px; margin-bottom: 14px; }

.dbt-archive-layout { display: grid; grid-template-columns: 1fr; gap: 40px; }
@media (min-width: 1024px) { .dbt-archive-layout { grid-template-columns: minmax(0, 1fr) 320px; } }

.dbt-no-posts { text-align: center; padding: 60px 20px; }

.dbt-search-suggestions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 20px; }

/* Print */
@media print {
	.dbt-atmosphere, .dbt-masthead, .dbt-footer, .dbt-mobile-sticky-cta, .dbt-back-to-top { display: none !important; }
	.dbt-result-actions button, .dbt-result-actions a:not([download]) { display: none !important; }
	body { background: #fff; }
}