/* ==========================================================================
   Route Sentinel — Design tokens
   Palette: deep route-blue + school-bus yellow accent + live-tracking green
   Type: Poppins (display) / Inter (body) / Roboto Mono (stats & data)
   Signature motif: dashed "route line" dividers with a stop-dot, echoing
   a live GPS route on a map.
   ========================================================================== */

:root {
	--rs-primary: #12335c;
	--rs-primary-dark: #0b2340;
	--rs-accent: #ffc530;
	--rs-live: #2bb673;
	--rs-bg: #f5f7fb;
	--rs-white: #ffffff;
	--rs-text: #212b3d;
	--rs-muted: #6a7385;
	--rs-border: #e3e7ef;

	--rs-font-display: 'Poppins', sans-serif;
	--rs-font-body: 'Inter', sans-serif;
	--rs-font-mono: 'Roboto Mono', monospace;

	--rs-radius: 14px;
	--rs-radius-sm: 8px;
	--rs-shadow: 0 20px 45px -20px rgba(11, 35, 64, 0.25);
	--rs-shadow-sm: 0 8px 24px -12px rgba(11, 35, 64, 0.18);
	--rs-container: 1200px;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--rs-font-body);
	color: var(--rs-text);
	background: var(--rs-bg);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--rs-font-display); color: var(--rs-primary-dark); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--rs-muted); }
.screen-reader-text { position: absolute !important; clip: rect(1px,1px,1px,1px); overflow: hidden; height: 1px; width: 1px; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; background: var(--rs-white); padding: 10px 16px; z-index: 9999; border-radius: 6px; }
:focus-visible { outline: 3px solid var(--rs-accent); outline-offset: 2px; }

.rs-container { width: 100%; max-width: var(--rs-container); margin: 0 auto; padding: 0 24px; }
.rs-section { padding: 88px 0; }
.rs-section__head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.rs-eyebrow {
	font-family: var(--rs-font-mono);
	text-transform: uppercase;
	letter-spacing: .12em;
	font-size: .78rem;
	font-weight: 700;
	color: var(--rs-live);
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 10px;
}
.rs-eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--rs-accent); display: inline-block; }
.rs-eyebrow--light { color: var(--rs-accent); }
.rs-eyebrow--light::before { background: var(--rs-white); }

/* Buttons */
.rs-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	border-radius: 999px;
	font-weight: 600;
	font-size: .95rem;
	transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
	border: 2px solid transparent;
	white-space: nowrap;
}
.rs-btn:hover { transform: translateY(-2px); }
.rs-btn--primary { background: var(--rs-primary); color: var(--rs-white); box-shadow: var(--rs-shadow-sm); }
.rs-btn--primary:hover { background: var(--rs-primary-dark); }
.rs-btn--accent { background: var(--rs-accent); color: var(--rs-primary-dark); box-shadow: 0 12px 28px -12px rgba(255,197,48,.6); }
.rs-btn--accent:hover { background: #ffd257; }
.rs-btn--ghost { border-color: var(--rs-primary); color: var(--rs-primary); }
.rs-btn--ghost:hover { background: var(--rs-primary); color: var(--rs-white); }
.rs-btn--ghost-light { border-color: rgba(255,255,255,.6); color: var(--rs-white); }
.rs-btn--ghost-light:hover { background: rgba(255,255,255,.15); }

.rs-link-arrow { font-weight: 600; color: var(--rs-primary); }
.rs-link-arrow:hover { color: var(--rs-live); }

/* ==========================================================================
   Top bar + header
   ========================================================================== */

.rs-topbar { background: var(--rs-primary-dark); color: rgba(255,255,255,.85); font-size: .85rem; }
.rs-topbar__inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 24px; flex-wrap: wrap; gap: 8px; }
.rs-topbar__contact { display: flex; gap: 20px; align-items: center; }
.rs-topbar a:hover { color: var(--rs-accent); }
.rs-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--rs-live); margin-right: 6px; box-shadow: 0 0 0 3px rgba(43,182,115,.25); }
.rs-social-links { display: flex; gap: 14px; }
.rs-social-links a { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }

.rs-header { background: var(--rs-white); position: sticky; top: 0; z-index: 500; box-shadow: 0 2px 18px -10px rgba(11,35,64,.15); }
.rs-header__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; gap: 24px; }
.rs-site-title { font-family: var(--rs-font-display); font-weight: 800; font-size: 1.3rem; color: var(--rs-primary); }
.rs-branding img { max-height: 46px; width: auto; }
.rs-primary-nav { flex: 1; display: flex; justify-content: center; }
.rs-menu { display: flex; gap: 30px; }
.rs-menu a { font-weight: 600; font-size: .95rem; color: var(--rs-text); padding: 6px 0; position: relative; }
.rs-menu a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--rs-accent); transform: scaleX(0); transition: transform .2s ease; }
.rs-menu a:hover::after, .rs-menu li.current-menu-item a::after { transform: scaleX(1); }
.rs-header__actions { display: flex; align-items: center; gap: 16px; }
.rs-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.rs-menu-toggle span { width: 24px; height: 2px; background: var(--rs-primary-dark); border-radius: 2px; }

/* ==========================================================================
   Hero slider
   ========================================================================== */

.rs-hero { position: relative; min-height: 640px; overflow: hidden; background: var(--rs-primary-dark); }
.rs-hero__slides { position: relative; min-height: 640px; }
.rs-hero__slide {
	position: absolute; inset: 0;
	background-size: cover; background-position: center;
	display: flex; align-items: center;
	opacity: 0; visibility: hidden;
	transition: opacity .8s ease;
}
.rs-hero__slide.is-active { opacity: 1; visibility: visible; }
.rs-hero__overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(11,35,64,.92) 10%, rgba(11,35,64,.55) 60%, rgba(11,35,64,.25) 100%); }
.rs-hero__content { position: relative; z-index: 2; max-width: 640px; color: var(--rs-white); }
.rs-hero__content h1 { color: var(--rs-white); }
.rs-hero__subtitle { color: rgba(255,255,255,.82); font-size: 1.1rem; }
.rs-hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.rs-hero__dots { position: absolute; bottom: 26px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; z-index: 3; }
.rs-hero__dots .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.4); cursor: pointer; border: 0; padding: 0; }
.rs-hero__dots .dot.is-active { background: var(--rs-accent); }

/* ==========================================================================
   Route-line divider (signature motif)
   ========================================================================== */

.rs-section + .rs-section,
.rs-hero + .rs-section {
	position: relative;
}
.rs-section::before {
	content: "";
	display: block;
	max-width: var(--rs-container);
	margin: 0 auto -1px;
	height: 0;
}

/* ==========================================================================
   Features grid
   ========================================================================== */

.rs-features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rs-feature-card {
	background: var(--rs-white);
	border: 1px solid var(--rs-border);
	border-radius: var(--rs-radius);
	padding: 32px 26px;
	transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.rs-feature-card:hover { transform: translateY(-6px); box-shadow: var(--rs-shadow-sm); border-color: transparent; }
.rs-feature-card__icon {
	display: inline-flex; align-items: center; justify-content: center;
	width: 52px; height: 52px; border-radius: 14px;
	background: linear-gradient(135deg, var(--rs-accent), #ffe08a);
	font-size: 1.5rem; margin-bottom: 18px;
}
.rs-feature-card h3 { margin-bottom: 8px; }
.rs-feature-card p { margin: 0; }

/* ==========================================================================
   About + stats
   ========================================================================== */

.rs-about { background: var(--rs-white); }
.rs-about__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; margin-bottom: 64px; }
.rs-about__media img { border-radius: var(--rs-radius); box-shadow: var(--rs-shadow); }
.rs-about__content h2 { margin-bottom: 16px; }

.rs-stats {
	display: grid; grid-template-columns: repeat(5, 1fr);
	background: var(--rs-primary);
	border-radius: var(--rs-radius);
	padding: 40px 24px;
	position: relative;
	overflow: hidden;
}
.rs-stats::before {
	content: ""; position: absolute; inset: 0;
	background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 10px, transparent 10px 26px);
	background-position: bottom 18px left 0; background-repeat: no-repeat; background-size: 100% 2px;
	pointer-events: none;
}
.rs-stat { text-align: center; color: var(--rs-white); border-right: 1px solid rgba(255,255,255,.15); padding: 0 12px; }
.rs-stat:last-child { border-right: 0; }
.rs-stat__number { display: block; font-family: var(--rs-font-mono); font-size: 2.1rem; font-weight: 700; color: var(--rs-accent); }
.rs-stat__label { display: block; font-size: .82rem; color: rgba(255,255,255,.75); margin-top: 6px; }

/* ==========================================================================
   How it works
   ========================================================================== */

.rs-how { background: var(--rs-primary-dark); color: var(--rs-white); text-align: center; }
.rs-how h2 { color: var(--rs-white); }
.rs-how p { color: rgba(255,255,255,.78); max-width: 760px; margin-left: auto; margin-right: auto; }
.rs-how__actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-top: 20px; }

/* ==========================================================================
   Logo strip
   ========================================================================== */

.rs-logos { padding: 56px 0; background: var(--rs-white); }
.rs-logos__title { text-align: center; font-size: 1.05rem; color: var(--rs-muted); font-family: var(--rs-font-body); font-weight: 600; margin-bottom: 32px; }
.rs-logos__grid { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 40px; }
.rs-logos__item img { max-height: 48px; width: auto; filter: grayscale(1); opacity: .6; transition: filter .2s ease, opacity .2s ease; }
.rs-logos__item img:hover { filter: none; opacity: 1; }

/* ==========================================================================
   Apps showcase
   ========================================================================== */

.rs-apps__row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 40px; align-items: center; }
.rs-apps__cards { display: flex; flex-direction: column; gap: 24px; }
.rs-app-card { background: var(--rs-white); border-radius: var(--rs-radius); padding: 26px; box-shadow: var(--rs-shadow-sm); border-left: 4px solid var(--rs-accent); }
.rs-apps__media img { max-width: 280px; margin: 0 auto; }

/* ==========================================================================
   CTA banner
   ========================================================================== */

.rs-cta { background: linear-gradient(120deg, var(--rs-primary), var(--rs-primary-dark)); padding: 56px 0; }
.rs-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.rs-cta h2 { color: var(--rs-white); margin: 0; max-width: 640px; font-size: 1.5rem; }

/* ==========================================================================
   Benefits
   ========================================================================== */

.rs-benefits { background: var(--rs-white); }
.rs-benefits__row { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; padding-bottom: 72px; }
.rs-benefits__row--reverse { grid-template-columns: 1.1fr .9fr; }
.rs-benefits__row--reverse .rs-benefits__content { order: 1; }
.rs-benefits__row--reverse .rs-benefits__media { order: 2; }
.rs-benefits__media img { border-radius: var(--rs-radius); }
.rs-check-list { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
.rs-check-list li { position: relative; padding-left: 30px; color: var(--rs-text); font-weight: 500; }
.rs-check-list li::before {
	content: "✓"; position: absolute; left: 0; top: 0;
	width: 20px; height: 20px; border-radius: 50%;
	background: var(--rs-live); color: var(--rs-white);
	font-size: .7rem; display: flex; align-items: center; justify-content: center;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.rs-testimonials { background: var(--rs-bg); }
.rs-testimonials__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.rs-testimonial-card { background: var(--rs-white); border-radius: var(--rs-radius); padding: 30px; box-shadow: var(--rs-shadow-sm); }
.rs-testimonial-card__quote { font-style: italic; color: var(--rs-text); }
.rs-testimonial-card__author { display: flex; align-items: center; gap: 14px; }
.rs-testimonial-card__author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.rs-testimonial-card__author strong { display: block; color: var(--rs-primary-dark); }
.rs-testimonial-card__author span { font-size: .85rem; color: var(--rs-muted); }

/* ==========================================================================
   Footer
   ========================================================================== */

.rs-footer { background: var(--rs-primary-dark); color: rgba(255,255,255,.8); padding-top: 72px; }
.rs-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.12); }
.rs-footer h3 { color: var(--rs-white); font-size: 1rem; margin-bottom: 16px; }
.rs-footer p, .rs-footer a { color: rgba(255,255,255,.72); font-size: .92rem; }
.rs-footer a:hover { color: var(--rs-accent); }
.rs-footer .rs-social-links { margin-top: 16px; }
.rs-footer-menu { display: flex; flex-direction: column; gap: 10px; }
.rs-store-badges { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.rs-badge { border: 1px solid rgba(255,255,255,.3); border-radius: 8px; padding: 8px 14px; font-size: .82rem; font-weight: 600; }
.rs-footer__bottom { padding: 22px 0; text-align: center; font-size: .82rem; }
.rs-footer__bottom p { margin: 0; color: rgba(255,255,255,.55); }

/* ==========================================================================
   Blog / page templates
   ========================================================================== */

.rs-content-wrap { padding: 64px 0; }
.rs-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.rs-layout--single { grid-template-columns: 1fr; max-width: 820px; }
.rs-post-card { background: var(--rs-white); border-radius: var(--rs-radius); overflow: hidden; box-shadow: var(--rs-shadow-sm); margin-bottom: 32px; }
.rs-post-card__thumb img { width: 100%; }
.rs-post-card__body { padding: 24px; }
.rs-post-card__meta { font-size: .8rem; color: var(--rs-muted); text-transform: uppercase; letter-spacing: .04em; }
.rs-page__thumb { margin-bottom: 32px; border-radius: var(--rs-radius); overflow: hidden; }
.rs-page__content { max-width: 780px; }
.widget { background: var(--rs-white); border-radius: var(--rs-radius); padding: 24px; margin-bottom: 24px; box-shadow: var(--rs-shadow-sm); }
.widget-title { font-size: 1rem; margin-bottom: 14px; }
.rs-404 { text-align: center; padding: 90px 0; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
	.rs-primary-nav { position: fixed; inset: 74px 0 0 0; background: var(--rs-white); flex-direction: column; padding: 24px; transform: translateX(100%); transition: transform .25s ease; overflow-y: auto; }
	.rs-primary-nav.is-open { transform: translateX(0); }
	.rs-menu { flex-direction: column; gap: 18px; }
	.rs-menu-toggle { display: flex; }
	.rs-about__grid, .rs-benefits__row, .rs-benefits__row--reverse { grid-template-columns: 1fr; }
	.rs-benefits__row--reverse .rs-benefits__content, .rs-benefits__row--reverse .rs-benefits__media { order: initial; }
	.rs-apps__row { grid-template-columns: 1fr; text-align: center; }
	.rs-features__grid { grid-template-columns: repeat(2, 1fr); }
	.rs-stats { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
	.rs-stat { border-right: 0; }
	.rs-testimonials__grid { grid-template-columns: 1fr; }
	.rs-layout { grid-template-columns: 1fr; }
	.rs-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
	.rs-section { padding: 56px 0; }
	.rs-features__grid { grid-template-columns: 1fr; }
	.rs-stats { grid-template-columns: repeat(2, 1fr); }
	.rs-footer__grid { grid-template-columns: 1fr; }
	.rs-hero, .rs-hero__slides { min-height: 560px; }
	.rs-topbar__inner { justify-content: center; text-align: center; }
}