/* ==========================================================================
   RS Driving — brand tokens + tools
   Palette taken from the logo: crimson red, deep navy, chrome silver.
   ========================================================================== */

:root {
	--rsd-red:        #d0212b;
	--rsd-red-dark:   #a3161e;
	--rsd-red-soft:   #fdecec;

	--rsd-navy:       #0e2148;
	--rsd-navy-deep:  #071328;
	--rsd-navy-soft:  #eef1f7;

	--rsd-silver:     #c3cad6;
	--rsd-slate:      #5b6880;
	--rsd-ink:        #14203a;

	--rsd-whatsapp:   #25d366;
	--rsd-white:      #ffffff;

	--rsd-radius:     14px;
	--rsd-radius-sm:  8px;
	--rsd-shadow:     0 2px 4px rgba(14, 33, 72, .06), 0 8px 24px rgba(14, 33, 72, .08);
	--rsd-gap:        clamp(16px, 3vw, 28px);
}

/* --------------------------------------------------------------------------
   Calculator
   -------------------------------------------------------------------------- */

.rsd-calc {
	background: var(--rsd-white);
	border: 1px solid var(--rsd-silver);
	border-radius: var(--rsd-radius);
	box-shadow: var(--rsd-shadow);
	padding: var(--rsd-gap);
	max-width: 640px;
	margin-inline: auto;
	color: var(--rsd-ink);
	line-height: 1.75;
}

.rsd-calc__tabs {
	display: flex;
	gap: 6px;
	background: var(--rsd-navy-soft);
	padding: 6px;
	border-radius: var(--rsd-radius-sm);
	margin-bottom: var(--rsd-gap);
}

.rsd-tab {
	flex: 1;
	appearance: none;
	border: 0;
	background: transparent;
	padding: 12px 10px;
	border-radius: 6px;
	font: inherit;
	font-weight: 600;
	color: var(--rsd-slate);
	cursor: pointer;
	min-height: 44px;
	transition: background .15s, color .15s;
}

.rsd-tab.is-active {
	background: var(--rsd-navy);
	color: var(--rsd-white);
}

.rsd-tab:focus-visible {
	outline: 3px solid var(--rsd-red);
	outline-offset: 2px;
}

.rsd-field {
	display: block;
	margin-bottom: 18px;
}

.rsd-field > span,
.rsd-field legend {
	display: block;
	font-weight: 600;
	margin-bottom: 8px;
	font-size: .95em;
}

.rsd-field select,
.rsd-field input[type="number"] {
	width: 100%;
	padding: 13px 14px;
	border: 1px solid var(--rsd-silver);
	border-radius: var(--rsd-radius-sm);
	font: inherit;
	background: var(--rsd-white);
	color: var(--rsd-ink);
	min-height: 46px;
}

.rsd-field select:focus,
.rsd-field input:focus {
	outline: 0;
	border-color: var(--rsd-navy);
	box-shadow: 0 0 0 3px rgba(14, 33, 72, .12);
}

.rsd-field--inline {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
}

.rsd-field--inline > span { margin: 0; }
.rsd-field--inline input { max-width: 110px; }

.rsd-field--checks {
	border: 1px solid var(--rsd-silver);
	border-radius: var(--rsd-radius-sm);
	padding: 14px 16px;
}

.rsd-check {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	padding: 7px 0;
	cursor: pointer;
	font-size: .95em;
}

.rsd-check input {
	margin-top: 6px;
	width: 20px;
	height: 20px;
	accent-color: var(--rsd-red);
	flex-shrink: 0;
}

/* Result */
.rsd-result {
	background: linear-gradient(135deg, var(--rsd-navy) 0%, var(--rsd-navy-deep) 100%);
	color: var(--rsd-white);
	border-radius: var(--rsd-radius);
	padding: 22px;
	margin: var(--rsd-gap) 0;
	text-align: center;
}

.rsd-result__label {
	font-size: .9em;
	opacity: .8;
	letter-spacing: .02em;
}

.rsd-result__amount {
	font-size: clamp(2rem, 8vw, 2.75rem);
	font-weight: 700;
	line-height: 1.25;
	margin: 6px 0 14px;
}

.rsd-result__lines {
	list-style: none;
	margin: 0;
	padding: 14px 0 0;
	border-top: 1px solid rgba(255, 255, 255, .18);
	text-align: start;
	font-size: .92em;
}

.rsd-result__lines li {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	padding: 5px 0;
	opacity: .92;
}

.rsd-disclaimer {
	font-size: .85em;
	color: var(--rsd-slate);
	background: var(--rsd-navy-soft);
	border-radius: var(--rsd-radius-sm);
	padding: 14px 16px;
	margin: 0 0 var(--rsd-gap);
	line-height: 1.7;
}

.rsd-disclaimer a { color: var(--rsd-navy); }

/* CTA */
.rsd-cta {
	border-top: 2px dashed var(--rsd-silver);
	padding-top: var(--rsd-gap);
	text-align: center;
}

.rsd-cta p { margin: 0 0 14px; font-weight: 500; }

.rsd-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 48px;
	padding: 12px 24px;
	border-radius: 999px;
	font-weight: 700;
	text-decoration: none;
	margin: 4px;
	transition: transform .12s, box-shadow .12s, background .15s;
}

.rsd-btn:hover { transform: translateY(-1px); }
.rsd-btn:focus-visible { outline: 3px solid var(--rsd-navy); outline-offset: 2px; }

.rsd-btn--primary {
	background: var(--rsd-red);
	color: var(--rsd-white);
	box-shadow: 0 4px 14px rgba(208, 33, 43, .3);
}

.rsd-btn--primary:hover { background: var(--rsd-red-dark); color: var(--rsd-white); }

.rsd-btn--ghost {
	background: transparent;
	color: var(--rsd-navy);
	border: 2px solid var(--rsd-navy);
}

.rsd-btn--ghost:hover { background: var(--rsd-navy); color: var(--rsd-white); }

/* --------------------------------------------------------------------------
   Area grid
   -------------------------------------------------------------------------- */

.rsd-areas {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
	gap: 10px;
	margin: var(--rsd-gap) 0;
	padding: 0;
	list-style: none;
}

.rsd-areas a {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 12px;
	text-align: center;
	background: var(--rsd-white);
	border: 1px solid var(--rsd-silver);
	border-radius: var(--rsd-radius-sm);
	color: var(--rsd-navy);
	font-weight: 600;
	text-decoration: none;
	transition: border-color .15s, background .15s;
}

.rsd-areas a:hover {
	border-color: var(--rsd-red);
	background: var(--rsd-red-soft);
	color: var(--rsd-red-dark);
}

/* --------------------------------------------------------------------------
   Course cards
   -------------------------------------------------------------------------- */

.rsd-courses {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 18px;
	margin: var(--rsd-gap) 0;
}

.rsd-course {
	background: var(--rsd-white);
	border: 1px solid var(--rsd-silver);
	border-top: 4px solid var(--rsd-red);
	border-radius: var(--rsd-radius);
	padding: 22px;
	display: flex;
	flex-direction: column;
	box-shadow: var(--rsd-shadow);
}

.rsd-course h3 {
	margin: 0 0 4px;
	font-size: 1.15em;
	color: var(--rsd-navy);
}

.rsd-course__for {
	font-size: .85em;
	color: var(--rsd-slate);
	margin: 0 0 14px;
}

.rsd-course__price {
	font-size: 1.9em;
	font-weight: 700;
	color: var(--rsd-red);
	line-height: 1.2;
}

.rsd-course__days {
	font-size: .88em;
	color: var(--rsd-slate);
	margin-bottom: 14px;
}

.rsd-course ul {
	list-style: none;
	margin: 0 0 18px;
	padding: 14px 0 0;
	border-top: 1px solid var(--rsd-navy-soft);
	font-size: .92em;
	flex-grow: 1;
}

.rsd-course ul li {
	display: flex;
	justify-content: space-between;
	padding: 4px 0;
}

.rsd-course ul li span:last-child { font-weight: 600; color: var(--rsd-navy); }

/* --------------------------------------------------------------------------
   Mobile sticky action bar
   -------------------------------------------------------------------------- */

.rsd-sticky {
	position: fixed;
	inset-inline: 0;
	bottom: 0;
	z-index: 9990;
	display: none;
	background: var(--rsd-white);
	border-top: 1px solid var(--rsd-silver);
	box-shadow: 0 -2px 16px rgba(14, 33, 72, .12);
	padding-bottom: env(safe-area-inset-bottom);
}

.rsd-sticky a {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 2px;
	min-height: 58px;
	font-size: .78em;
	font-weight: 700;
	text-decoration: none;
	color: var(--rsd-navy);
	border-inline-end: 1px solid var(--rsd-navy-soft);
}

.rsd-sticky a:last-child { border-inline-end: 0; }
.rsd-sticky a svg { width: 21px; height: 21px; }
.rsd-sticky .rsd-sticky__wa { color: var(--rsd-whatsapp); }
.rsd-sticky .rsd-sticky__admit { background: var(--rsd-red); color: var(--rsd-white); }

@media (max-width: 768px) {
	.rsd-sticky { display: flex; }
	body { padding-bottom: 58px; }
}

@media (prefers-reduced-motion: reduce) {
	.rsd-btn, .rsd-tab { transition: none; }
	.rsd-btn:hover { transform: none; }
}