/**
 * ADK Front Sections.
 *
 * Every rule is scoped under .adk-section so nothing can leak into the theme.
 * Colours default to the active theme's own custom properties and only fall
 * back to the hard-coded values when the theme does not define them.
 */

.adk-section {
	--adk-accent: var(--cip-accent, #c8a25e);
	--adk-bg: var(--cip-dark, #0a0a0a);
	--adk-surface: var(--cip-charcoal, rgba(255, 255, 255, 0.022));
	--adk-heading: var(--cip-heading-color, #ffffff);
	--adk-body: var(--cip-body-color, rgba(255, 255, 255, 0.72));
	--adk-border: rgba(255, 255, 255, 0.11);
	--adk-max: var(--cip-max, 1180px);
	--adk-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

	position: relative;
	box-sizing: border-box;
	padding: clamp(3.5rem, 8vw, 7rem) 0;
	background: var(--adk-bg);
	color: var(--adk-body);
}

.adk-section *,
.adk-section *::before,
.adk-section *::after {
	box-sizing: border-box;
}

.adk-inner {
	width: 100%;
	max-width: var(--adk-max);
	margin: 0 auto;
	padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* --- Shared chrome ------------------------------------------------------ */

.adk-rule {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding-bottom: 1.1rem;
	margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
	border-bottom: 1px solid var(--adk-border);
}

.adk-eyebrow {
	font-family: var(--adk-mono);
	font-size: 0.62rem;
	font-weight: 500;
	letter-spacing: 0.26em;
	text-transform: uppercase;
	color: var(--adk-heading);
	opacity: 0.82;
}

.adk-numeral {
	font-size: 0.95rem;
	font-style: italic;
	color: var(--adk-heading);
	opacity: 0.45;
}

.adk-intro {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
	margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.adk-h2 {
	margin: 0;
	font-size: clamp(2.1rem, 5vw, 3.9rem);
	font-weight: 400;
	line-height: 1.04;
	letter-spacing: -0.02em;
	color: var(--adk-heading);
}

.adk-lede {
	max-width: 36rem;
	margin: 0;
	font-size: clamp(1rem, 1.3vw, 1.12rem);
	line-height: 1.62;
	color: var(--adk-body);
}

.adk-kicker {
	display: block;
	font-family: var(--adk-mono);
	font-size: 0.6rem;
	font-weight: 600;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--adk-accent);
}

/* --- Section 1: specialty explorer -------------------------------------- */

.adk-spec {
	display: grid;
	grid-template-columns: 1fr;
	gap: clamp(2rem, 4vw, 3.5rem);
}

.adk-spec__nav {
	display: flex;
	flex-direction: column;
	border-top: 1px solid var(--adk-border);
}

.adk-spec__tab {
	display: flex;
	align-items: baseline;
	gap: 1.1rem;
	width: 100%;
	padding: 1.15rem 0.35rem 1.15rem 1.1rem;
	margin: 0;
	font: inherit;
	text-align: left;
	color: var(--adk-body);
	background: none;
	border: 0;
	border-bottom: 1px solid var(--adk-border);
	border-left: 2px solid transparent;
	cursor: pointer;
	transition: color 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.adk-spec__tab:hover {
	color: var(--adk-heading);
	background: rgba(255, 255, 255, 0.025);
}

.adk-spec__tab.is-active {
	color: var(--adk-accent);
	border-left-color: var(--adk-accent);
}

.adk-spec__tab:focus-visible {
	outline: 2px solid var(--adk-accent);
	outline-offset: -2px;
}

.adk-spec__num {
	flex: none;
	font-family: var(--adk-mono);
	font-size: 0.6rem;
	letter-spacing: 0.16em;
	opacity: 0.45;
}

.adk-spec__name {
	font-size: clamp(0.98rem, 1.3vw, 1.12rem);
	line-height: 1.3;
}

.adk-spec__panel[hidden] {
	display: none;
}

.adk-tier {
	display: inline-block;
	padding: 0.55rem 1rem;
	margin-bottom: 1.6rem;
	font-family: var(--adk-mono);
	font-size: 0.58rem;
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--adk-accent);
	border: 1px solid color-mix(in srgb, var(--adk-accent) 45%, transparent);
}

@supports not (color: color-mix(in srgb, red 50%, blue)) {
	.adk-tier {
		border-color: var(--adk-accent);
	}
}

.adk-spec__title {
	margin: 0 0 1.1rem;
	font-size: clamp(2rem, 4.2vw, 3.3rem);
	font-weight: 400;
	line-height: 1.05;
	letter-spacing: -0.02em;
	color: var(--adk-heading);
}

.adk-spec__blurb {
	max-width: 46rem;
	margin: 0 0 1.9rem;
	font-size: clamp(0.98rem, 1.2vw, 1.08rem);
	line-height: 1.68;
}

.adk-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	padding: 0;
	margin: 0 0 2.2rem;
	list-style: none;
}

.adk-chip {
	padding: 0.6rem 0.95rem;
	font-family: var(--adk-mono);
	font-size: 0.56rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--adk-body);
	border: 1px solid var(--adk-border);
}

.adk-statgrid {
	display: grid;
	grid-template-columns: 1fr;
	margin-bottom: 2.6rem;
	border-top: 1px solid var(--adk-border);
	border-left: 1px solid var(--adk-border);
}

.adk-stat {
	display: flex;
	flex-direction: column;
	gap: 0.7rem;
	padding: 1.6rem 1.5rem;
	border-right: 1px solid var(--adk-border);
	border-bottom: 1px solid var(--adk-border);
}

.adk-stat__label,
.adk-result__label {
	font-family: var(--adk-mono);
	font-size: 0.56rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	opacity: 0.6;
}

.adk-stat__value {
	font-size: clamp(1.7rem, 2.8vw, 2.4rem);
	font-weight: 400;
	line-height: 1;
	letter-spacing: -0.01em;
	color: var(--adk-heading);
	font-variant-numeric: tabular-nums;
}

.adk-stat__note,
.adk-result__note {
	font-size: 0.85rem;
	line-height: 1.45;
	opacity: 0.68;
}

.adk-approach {
	padding: 0;
	margin: 1.3rem 0 0;
	list-style: none;
	border-top: 1px solid var(--adk-border);
}

.adk-approach li {
	display: flex;
	gap: 1rem;
	padding: 1.15rem 0.25rem;
	font-size: clamp(0.95rem, 1.15vw, 1.04rem);
	line-height: 1.6;
	border-bottom: 1px solid var(--adk-border);
}

.adk-arrow {
	flex: none;
	color: var(--adk-accent);
}

/* --- Section 2: calculator ---------------------------------------------- */

.adk-calc {
	border: 1px solid var(--adk-border);
}

.adk-calc__head {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding: 1.3rem clamp(1.25rem, 3vw, 2rem);
	border-bottom: 1px solid var(--adk-border);
}

.adk-calc__title {
	font-size: clamp(1.1rem, 2vw, 1.5rem);
	font-weight: 400;
	letter-spacing: -0.01em;
	color: var(--adk-heading);
}

.adk-calc__badge {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	font-family: var(--adk-mono);
	font-size: 0.56rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--adk-accent);
}

.adk-dot {
	width: 6px;
	height: 6px;
	background: var(--adk-accent);
	border-radius: 50%;
	animation: adk-pulse 2s ease-in-out infinite;
}

@keyframes adk-pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.35; }
}

@media (prefers-reduced-motion: reduce) {
	.adk-dot { animation: none; }
}

.adk-calc__body {
	display: grid;
	grid-template-columns: 1fr;
}

.adk-calc__inputs {
	display: flex;
	flex-direction: column;
	gap: 2rem;
	padding: clamp(1.5rem, 3vw, 2rem);
	border-bottom: 1px solid var(--adk-border);
}

.adk-field {
	display: flex;
	flex-direction: column;
	gap: 0.85rem;
}

.adk-field__top {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 1rem;
}

.adk-label {
	font-family: var(--adk-mono);
	font-size: 0.58rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	opacity: 0.7;
}

.adk-field__value {
	font-size: clamp(1.15rem, 2vw, 1.5rem);
	line-height: 1;
	color: var(--adk-accent);
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.adk-field__scale {
	display: flex;
	justify-content: space-between;
	font-family: var(--adk-mono);
	font-size: 0.55rem;
	letter-spacing: 0.16em;
	opacity: 0.4;
}

.adk-select {
	width: 100%;
	height: 3rem;
	padding: 0 2.5rem 0 1rem;
	font: inherit;
	font-size: 1rem;
	color: var(--adk-heading);
	background-color: transparent;
	background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
	background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
	background-size: 6px 6px, 6px 6px;
	background-repeat: no-repeat;
	border: 1px solid var(--adk-accent);
	border-radius: 0;
	appearance: none;
	-webkit-appearance: none;
	cursor: pointer;
}

.adk-select:focus-visible {
	outline: 2px solid var(--adk-accent);
	outline-offset: 2px;
}

/* The dropdown list itself is drawn by the OS, so force readable colours. */
.adk-select option {
	color: #111111;
	background: #ffffff;
}

/* Range sliders — styled per engine, no library needed. */
.adk-range {
	width: 100%;
	height: 22px;
	margin: 0;
	background: transparent;
	appearance: none;
	-webkit-appearance: none;
	cursor: pointer;
}

.adk-range:focus {
	outline: none;
}

.adk-range::-webkit-slider-runnable-track {
	height: 6px;
	background: linear-gradient(to right, var(--adk-accent) var(--adk-fill, 0%), rgba(255, 255, 255, 0.92) var(--adk-fill, 0%));
	border-radius: 999px;
}

.adk-range::-moz-range-track {
	height: 6px;
	background: rgba(255, 255, 255, 0.92);
	border-radius: 999px;
}

.adk-range::-moz-range-progress {
	height: 6px;
	background: var(--adk-accent);
	border-radius: 999px;
}

.adk-range::-webkit-slider-thumb {
	width: 20px;
	height: 20px;
	margin-top: -7px;
	background: var(--adk-accent);
	border: 2px solid var(--adk-bg);
	border-radius: 50%;
	appearance: none;
	-webkit-appearance: none;
}

.adk-range::-moz-range-thumb {
	width: 20px;
	height: 20px;
	background: var(--adk-accent);
	border: 2px solid var(--adk-bg);
	border-radius: 50%;
}

.adk-range:focus-visible::-webkit-slider-thumb {
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--adk-accent) 45%, transparent);
}

.adk-range:focus-visible::-moz-range-thumb {
	box-shadow: 0 0 0 3px var(--adk-accent);
}

.adk-calc__output {
	display: flex;
	flex-direction: column;
}

.adk-results {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	border-left: 1px solid var(--adk-border);
}

.adk-result {
	display: flex;
	flex-direction: column;
	gap: 0.7rem;
	padding: 1.5rem 1.35rem;
	border-right: 1px solid var(--adk-border);
	border-bottom: 1px solid var(--adk-border);
}

.adk-result__value {
	font-size: clamp(1.5rem, 2.6vw, 2.1rem);
	line-height: 1;
	letter-spacing: -0.01em;
	color: var(--adk-heading);
	font-variant-numeric: tabular-nums;
}

.adk-result.is-accent .adk-result__value {
	color: var(--adk-accent);
}

.adk-calc__assess {
	display: flex;
	flex: 1;
	flex-direction: column;
	gap: 1.4rem;
	padding: clamp(1.5rem, 3vw, 2rem);
}

.adk-assess__text {
	margin: 0.8rem 0 0;
	font-size: clamp(0.98rem, 1.2vw, 1.08rem);
	line-height: 1.62;
	color: var(--adk-heading);
	opacity: 0.88;
}

.adk-calc__cta {
	display: flex;
	flex-direction: column;
	gap: 1.2rem;
	padding-top: 1.3rem;
	margin-top: auto;
	border-top: 1px solid var(--adk-border);
}

.adk-calc__ctatext {
	max-width: 24rem;
	margin: 0;
	font-size: 0.92rem;
	line-height: 1.55;
}

.adk-calc__ctatext strong {
	color: var(--adk-heading);
	font-weight: 500;
}

.adk-btn {
	display: inline-flex;
	align-self: flex-start;
	align-items: center;
	gap: 0.5rem;
	padding: 1rem 1.6rem;
	font-family: var(--adk-mono);
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.22em;
	text-decoration: none;
	text-transform: uppercase;
	color: var(--adk-bg);
	background: var(--adk-accent);
	border: 0;
	transition: filter 0.22s ease, transform 0.22s ease;
}

.adk-btn:hover,
.adk-btn:focus {
	color: var(--adk-bg);
	filter: brightness(1.12);
	transform: translateY(-1px);
}

.adk-btn:focus-visible {
	outline: 2px solid var(--adk-accent);
	outline-offset: 3px;
}

/* --- Breakpoints -------------------------------------------------------- */

@media (min-width: 700px) {
	.adk-statgrid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 900px) {
	.adk-intro {
		grid-template-columns: 1.05fr 1fr;
		gap: clamp(2rem, 5vw, 4rem);
		align-items: start;
	}

	.adk-lede {
		padding-top: 0.6rem;
	}

	.adk-spec {
		grid-template-columns: minmax(230px, 0.62fr) 1.38fr;
		align-items: start;
	}

	.adk-calc__body {
		grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
	}

	.adk-calc__inputs {
		border-right: 1px solid var(--adk-border);
		border-bottom: 0;
	}

	.adk-results {
		grid-template-columns: repeat(3, 1fr);
		border-top: 1px solid var(--adk-border);
	}

	.adk-calc__cta {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
	}

	.adk-btn {
		flex: none;
	}
}