/* Kisasa FC onboarding. Dark, warm-neutral, editorial restraint.
   Palette and motion tokens mirror theme/kisasa-fc/. */

:root {
	--c-base: oklch(0.15 0.003 75);
	--c-surface: oklch(0.22 0.004 75);
	--c-border: oklch(0.30 0.005 75);
	--c-contrast: oklch(0.97 0.006 85);
	--c-subtle: oklch(0.53 0.012 70);
	--c-highlight: oklch(0.67 0.022 70);

	--dur-fast: 240ms;
	--dur-medium: 400ms;
	--dur-slow: 640ms;
	--ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);

	--stack: "DM Sans", system-ui, -apple-system, sans-serif;
	--content: 640px;
	--shell: 760px;

	--radius: 0;
	--input-pad-y: 0.75rem;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	min-height: 100svh;
	background: var(--c-base);
	color: var(--c-contrast);
	font-family: var(--stack);
	font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
	line-height: 1.55;
	font-feature-settings: "kern", "liga", "calt", "ss01";
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
	display: flex;
	flex-direction: column;
}

::selection { background: var(--c-contrast); color: var(--c-base); }

.skip-link {
	position: absolute; top: -100px; left: 1rem;
	background: var(--c-contrast); color: var(--c-base);
	padding: 0.75rem 1rem; font-weight: 600;
	text-decoration: none; z-index: 100;
}
.skip-link:focus { top: 1rem; }

/* Site header */
.site {
	display: flex; justify-content: space-between; align-items: baseline;
	padding: 1.75rem 1.5rem;
	border-bottom: 1px solid var(--c-border);
	opacity: 0.98;
}
.wordmark { display: flex; flex-direction: column; line-height: 1; gap: 0.3rem; }
.mark {
	font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em;
}
.mark-meta {
	font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase;
	color: var(--c-subtle); font-weight: 500;
}
.site-meta {
	font-size: 0.6875rem; letter-spacing: 0.18em; text-transform: uppercase;
	color: var(--c-subtle); font-weight: 500;
}

/* Shell */
.shell {
	width: 100%; max-width: var(--shell);
	margin: 0 auto;
	padding: clamp(3rem, 6vw, 5rem) 1.5rem 4rem;
	flex: 1;
}

/* Intro */
.intro { margin-bottom: clamp(3rem, 5vw, 4.5rem); }
.eyebrow {
	font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
	color: var(--c-subtle); font-weight: 600; margin: 0 0 1.25rem;
}
.greeting {
	font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
	font-style: italic;
	font-weight: 400;
	color: var(--c-contrast);
	opacity: 0.7;
	margin: 0 0 0.75rem;
	letter-spacing: -0.005em;
}
.intro-title {
	font-size: clamp(2.25rem, 1.6rem + 3.2vw, 3.75rem);
	font-weight: 600;
	line-height: 1.05;
	letter-spacing: -0.02em;
	margin: 0 0 1.25rem;
	text-wrap: balance;
}
.intro-title em {
	font-style: italic; font-weight: 500;
}
.intro-lead {
	font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
	line-height: 1.55;
	max-width: 56ch;
	color: var(--c-contrast);
	opacity: 0.86;
	margin: 0 0 2.5rem;
	text-wrap: pretty;
}

/* Progress */
.progress {
	width: 100%; max-width: 360px;
	height: 2px;
	background: var(--c-border);
	position: relative;
	overflow: hidden;
}
.progress-fill {
	display: block; height: 100%;
	width: calc((var(--step, 1) / 3) * 100%);
	background: var(--c-contrast);
	transition: width var(--dur-slow) var(--ease-out-quart);
}

/* Wizard */
.wizard { display: flex; flex-direction: column; gap: 0; }

.step {
	border: none; padding: 0; margin: 0;
	display: none;
}
.step.is-active {
	display: block;
	animation: stepEnter var(--dur-medium) var(--ease-out-quart);
}
@keyframes stepEnter {
	from { opacity: 0; transform: translateY(8px); }
	to   { opacity: 1; transform: translateY(0); }
}

.step-title {
	display: flex; align-items: baseline; gap: clamp(1rem, 2vw, 1.75rem);
	font-size: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
	font-weight: 600;
	letter-spacing: -0.015em;
	margin: 0 0 0.5rem;
	padding: 0;
	line-height: 1.15;
}
.step-index {
	font-size: clamp(3rem, 2.25rem + 3.2vw, 4.75rem);
	letter-spacing: -0.03em;
	color: var(--c-subtle);
	font-weight: 500;
	font-style: italic;
	font-variant-numeric: tabular-nums;
	line-height: 1;
	flex-shrink: 0;
	opacity: 0.45;
	transition: opacity var(--dur-slow) var(--ease-out-quart);
}
.step.is-active .step-index { opacity: 0.7; }
.step-lead {
	color: var(--c-subtle);
	max-width: 56ch;
	margin: 0 0 2.5rem;
	font-size: 0.9375rem;
}

.subsection {
	font-size: 0.6875rem; letter-spacing: 0.16em; text-transform: uppercase;
	color: var(--c-subtle); font-weight: 600;
	margin: 2.25rem 0 1rem;
	padding-bottom: 0.5rem;
	border-bottom: 1px solid var(--c-border);
}
.subsection:first-child { margin-top: 0; }

.subsection-lead {
	font-size: 0.9375rem;
	line-height: 1.6;
	color: var(--c-contrast);
	opacity: 0.75;
	margin: 0 0 1.75rem;
	max-width: 62ch;
	text-wrap: pretty;
}
.subsection-lead + .grid { margin-top: 0; }

/* Fields: underline-only, editorial */
.grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.75rem 1.5rem;
}
.grid .span-2 { grid-column: 1 / -1; }

@media (max-width: 560px) {
	.grid { grid-template-columns: 1fr; }
	.grid .span-2 { grid-column: 1; }
}

.field { display: flex; flex-direction: column; gap: 0.5rem; }

.label {
	font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase;
	color: var(--c-subtle); font-weight: 600;
}
.label-hint {
	display: inline-block;
	margin-left: 0.5em;
	letter-spacing: 0.04em;
	text-transform: none;
	font-weight: 400;
	color: var(--c-subtle);
	opacity: 0.85;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="date"],
input[type="month"],
select,
textarea {
	width: 100%;
	background: transparent;
	color: var(--c-contrast);
	border: none;
	border-bottom: 1px solid var(--c-border);
	border-radius: var(--radius);
	padding: var(--input-pad-y) 0;
	font-family: inherit;
	font-size: max(1rem, 16px);
	line-height: 1.4;
	transition: border-color var(--dur-fast) var(--ease-out-quart),
		background-size var(--dur-fast) var(--ease-out-quart);
	-webkit-appearance: none;
	appearance: none;

	background-image: linear-gradient(var(--c-contrast), var(--c-contrast));
	background-repeat: no-repeat;
	background-position: left bottom;
	background-size: 0 2px;
}

input::placeholder, textarea::placeholder {
	color: var(--c-subtle);
	opacity: 0.7;
}

input:hover, select:hover, textarea:hover {
	border-bottom-color: var(--c-subtle);
}

input:focus, select:focus, textarea:focus {
	outline: none;
	background-size: 100% 2px;
}

input:invalid:not(:placeholder-shown) {
	border-bottom-color: var(--c-highlight);
}

textarea {
	resize: vertical;
	min-height: 3.5rem;
}

select {
	cursor: pointer;
	background-image:
		url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath fill='none' stroke='%23f5f4f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M1 1.5l6 6 6-6'/%3E%3C/svg%3E"),
		linear-gradient(var(--c-contrast), var(--c-contrast));
	background-repeat: no-repeat, no-repeat;
	background-position: right 0.25rem center, left bottom;
	background-size: 14px 9px, 0 2px;
	padding-right: 2rem;
	opacity: 1;
}
select:not(:focus) {
	--chevron-opacity: 0.65;
}
select:focus {
	background-size: 14px 9px, 100% 2px;
}
select option {
	background: var(--c-base);
	color: var(--c-contrast);
	font-size: 1rem;
}

/* Phone with +254 prefix */
.phone-wrap {
	display: flex;
	align-items: baseline;
	gap: 0.6rem;
	border-bottom: 1px solid var(--c-border);
	background-image: linear-gradient(var(--c-contrast), var(--c-contrast));
	background-repeat: no-repeat;
	background-position: left bottom;
	background-size: 0 2px;
	transition: background-size var(--dur-fast) var(--ease-out-quart),
		border-bottom-color var(--dur-fast) var(--ease-out-quart);
}
.phone-wrap:hover { border-bottom-color: var(--c-subtle); }
.phone-wrap:focus-within { background-size: 100% 2px; }
.phone-prefix {
	color: var(--c-subtle);
	font-size: max(1rem, 16px);
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.04em;
	padding: var(--input-pad-y) 0;
	flex: 0 0 auto;
	user-select: none;
}
.phone-wrap input[type="tel"] {
	border-bottom: 0 !important;
	background-image: none !important;
	padding-left: 0;
	flex: 1;
	width: auto;
	letter-spacing: 0.04em;
	font-variant-numeric: tabular-nums;
}

/* Role cards */
.role-cards {
	border: 0;
	padding: 0;
	margin: 0;
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
}
.role-cards > legend {
	padding: 0;
	margin-bottom: 0.25rem;
	float: left;
	width: 100%;
}
.role-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.65rem;
}
.role-card {
	display: flex;
	align-items: center;
	gap: 0.95rem;
	padding: 0.95rem 1.1rem;
	border: 1px solid var(--c-border);
	border-radius: 6px;
	cursor: pointer;
	background: transparent;
	transition: border-color var(--dur-fast) var(--ease-out-quart),
		background-color var(--dur-fast) var(--ease-out-quart);
}
.role-card:hover { border-color: var(--c-subtle); }
.role-card:has(input:checked) {
	border-color: var(--c-contrast);
	background: rgba(255, 255, 255, 0.025);
}

/* PDF link inside each role-card, on the right edge. Browsers do NOT
   forward clicks on this anchor to the radio (interactive descendants
   short-circuit the label's default behavior), so this is safe. */
.role-card-pdf {
	margin-left: auto;
	flex-shrink: 0;
	font-size: 0.75rem;
	letter-spacing: 0.01em;
	color: var(--c-subtle);
	text-decoration: none;
	border-bottom: 1px solid var(--c-border);
	padding-bottom: 1px;
	white-space: nowrap;
	transition: color var(--dur-fast) var(--ease-out-quart),
		border-color var(--dur-fast) var(--ease-out-quart);
}
.role-card-pdf:hover,
.role-card-pdf:focus-visible {
	color: var(--c-contrast);
	border-bottom-color: var(--c-contrast);
}
.role-card-pdf:focus-visible {
	outline: 2px solid var(--c-contrast);
	outline-offset: 3px;
}

.role-card input[type="radio"] {
	appearance: none;
	-webkit-appearance: none;
	width: 18px;
	height: 18px;
	border: 1px solid var(--c-border);
	border-radius: 50%;
	margin: 2px 0 0;
	flex: 0 0 auto;
	display: grid;
	place-content: center;
	cursor: pointer;
	transition: border-color var(--dur-fast) var(--ease-out-quart);
	background: transparent;
}
.role-card input[type="radio"]:hover { border-color: var(--c-subtle); }
.role-card input[type="radio"]:checked { border-color: var(--c-contrast); }
.role-card input[type="radio"]:checked::before {
	content: "";
	width: 8px; height: 8px;
	border-radius: 50%;
	background: var(--c-contrast);
}
.role-card input[type="radio"]:focus-visible {
	outline: 2px solid var(--c-contrast);
	outline-offset: 3px;
}

.role-card-body {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	flex: 1;
	min-width: 0;
}
.role-card-name {
	font-weight: 600;
	font-size: 0.9375rem;
	letter-spacing: -0.005em;
	color: var(--c-contrast);
	line-height: 1.3;
}
.role-card-desc {
	font-size: 0.8125rem;
	color: var(--c-subtle);
	line-height: 1.45;
}

@media (max-width: 560px) {
	.role-card-pdf { font-size: 0.7rem; }
}

/* "A note before you apply" — no-stipend / student-attachment-only context.
   Sits below the role grid, separated from the buttons so it reads as
   guidance rather than an option. */
.role-note {
	margin: 1.1rem 0 0;
	padding: 0.95rem 1.1rem 1rem;
	background: var(--c-surface);
	border: 1px solid var(--c-border);
	border-radius: 6px;
}
.role-note-eyebrow {
	margin: 0 0 0.4rem 0;
	font-size: 0.6875rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	font-weight: 600;
	color: var(--c-highlight);
}
.role-note-body {
	margin: 0;
	font-size: 0.875rem;
	line-height: 1.55;
	color: var(--c-contrast);
}
.role-note-body strong {
	font-weight: 600;
	color: var(--c-contrast);
}

input[type="file"] {
	padding: 0.5rem 0;
	border-bottom: 1px dashed var(--c-border);
	font-size: 0.875rem;
	color: var(--c-subtle);
	background-image: none;
}

.field.is-required .label::after {
	content: " *";
	color: var(--c-highlight);
	font-weight: 700;
}
.field.is-required input[type="file"] {
	border-bottom-color: var(--c-highlight);
	border-bottom-style: solid;
}
input[type="file"]::file-selector-button {
	background: transparent;
	color: var(--c-contrast);
	border: 1px solid var(--c-border);
	border-radius: 999px;
	padding: 0.4rem 0.9rem;
	font-family: inherit;
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	cursor: pointer;
	margin-right: 0.75rem;
	transition: border-color var(--dur-fast) var(--ease-out-quart), color var(--dur-fast) var(--ease-out-quart);
}
input[type="file"]::file-selector-button:hover {
	border-color: var(--c-contrast);
}

/* date/month controls (dark) */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="month"]::-webkit-calendar-picker-indicator {
	filter: invert(0.85);
	cursor: pointer;
	opacity: 0.6;
}

.hint {
	font-size: 0.75rem;
	color: var(--c-subtle);
	letter-spacing: 0.02em;
	margin-top: 0.1rem;
}

/* Checkbox agreements */
.stack { display: flex; flex-direction: column; gap: 1.25rem; }

.check {
	display: grid;
	grid-template-columns: 22px 1fr;
	gap: 1rem;
	align-items: start;
	padding: 1.25rem 0;
	border-bottom: 1px solid var(--c-border);
	cursor: pointer;
}
.check:first-child { border-top: 1px solid var(--c-border); }

.check input[type="checkbox"] {
	appearance: none;
	-webkit-appearance: none;
	width: 22px; height: 22px;
	border: 1px solid var(--c-border);
	border-radius: 2px;
	background: transparent;
	margin: 2px 0 0;
	cursor: pointer;
	display: grid;
	place-content: center;
	transition: border-color var(--dur-fast) var(--ease-out-quart);
}
.check input[type="checkbox"]:hover { border-color: var(--c-subtle); }
.check input[type="checkbox"]:checked {
	border-color: var(--c-contrast);
}
.check input[type="checkbox"]:checked::before {
	content: "";
	width: 12px; height: 8px;
	border-left: 2px solid var(--c-contrast);
	border-bottom: 2px solid var(--c-contrast);
	transform: rotate(-45deg) translate(1px, -1px);
}
.check input[type="checkbox"]:focus-visible {
	outline: 2px solid var(--c-contrast);
	outline-offset: 3px;
}

.check-body {
	font-size: 0.9375rem;
	line-height: 1.55;
	color: var(--c-contrast);
	opacity: 0.9;
}
.check-body strong {
	display: block;
	font-weight: 600;
	margin-bottom: 0.2rem;
	opacity: 1;
}

/* Controls */
.controls {
	display: flex; gap: 1rem;
	margin-top: 3rem;
	padding-top: 2rem;
	border-top: 1px solid var(--c-border);
	align-items: center;
	flex-wrap: wrap;
}

.btn {
	display: inline-flex; align-items: center; justify-content: center;
	font-family: inherit;
	font-size: 0.8125rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	border-radius: 999px;
	padding: 0.95rem 1.75rem;
	min-height: 44px;
	cursor: pointer;
	border: 1px solid transparent;
	transition:
		transform var(--dur-fast) var(--ease-out-quart),
		background-color var(--dur-fast) var(--ease-out-quart),
		color var(--dur-fast) var(--ease-out-quart),
		border-color var(--dur-fast) var(--ease-out-quart);
	text-decoration: none;
	-webkit-tap-highlight-color: transparent;
	touch-action: manipulation;
}
.btn[hidden] { display: none; }
.btn.primary {
	background: var(--c-contrast);
	color: var(--c-base);
}
.btn.primary:hover { transform: translateY(-1px); }
.btn.primary:active { transform: translateY(0); }
.btn.ghost {
	background: transparent;
	color: var(--c-contrast);
	border-color: var(--c-border);
}
.btn.ghost:hover:not(:disabled) { border-color: var(--c-contrast); }

.btn:disabled {
	opacity: 0.35;
	cursor: not-allowed;
	transform: none !important;
}

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

.controls [data-next] { margin-left: auto; }
.controls [data-submit] { margin-left: auto; }

@media (max-width: 420px) {
	.controls { gap: 0.75rem; flex-wrap: nowrap; }
	.btn { padding: 0.95rem 1.25rem; flex: 1; }
	.btn.ghost { flex: 0 0 auto; min-width: 5rem; }
}

/* Thanks */
.thanks { margin-top: 2rem; max-width: 680px; }
.thanks .eyebrow { margin-bottom: 1.75rem; position: relative; padding-top: 1.25rem; }
.thanks .eyebrow::before {
	content: "";
	position: absolute; top: 0; left: 0;
	width: 48px; height: 1px;
	background: var(--c-contrast);
	opacity: 0.4;
}
.thanks-title {
	font-size: clamp(2.5rem, 1.8rem + 3vw, 4rem);
	font-weight: 600;
	letter-spacing: -0.025em;
	line-height: 1.05;
	margin: 0 0 1.5rem;
	text-wrap: balance;
}
.thanks-title em { font-style: italic; font-weight: 500; }
.thanks-lead {
	color: var(--c-contrast);
	opacity: 0.85;
	max-width: 52ch;
	margin: 0 0 3rem;
	font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.1875rem);
	line-height: 1.55;
	text-wrap: pretty;
}
.thanks-next {
	list-style: none;
	padding: 0;
	margin: 0 0 3rem;
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	counter-reset: next;
}
.thanks-next li {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 1.25rem;
	align-items: baseline;
	padding-bottom: 1.5rem;
	border-bottom: 1px solid var(--c-border);
	counter-increment: next;
}
.thanks-next li:last-child { border-bottom: 0; padding-bottom: 0; }
.thanks-next li::before {
	content: "0" counter(next);
	font-size: 0.75rem;
	letter-spacing: 0.14em;
	color: var(--c-subtle);
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}
.thanks-next strong {
	display: block;
	font-weight: 600;
	font-size: 1.0625rem;
	margin-bottom: 0.35rem;
	letter-spacing: -0.01em;
}
.thanks-next p {
	margin: 0;
	color: var(--c-subtle);
	font-size: 0.9375rem;
	line-height: 1.55;
	max-width: 50ch;
}
html.js-motion .thanks-next li {
	opacity: 0;
	transform: translateY(10px);
	animation: thanksStep var(--dur-slow) var(--ease-out-quart) forwards;
}
html.js-motion .thanks-next li:nth-child(1) { animation-delay: 120ms; }
html.js-motion .thanks-next li:nth-child(2) { animation-delay: 210ms; }
html.js-motion .thanks-next li:nth-child(3) { animation-delay: 300ms; }
@keyframes thanksStep {
	to { opacity: 1; transform: none; }
}

/* Footer */
.site-foot {
	border-top: 1px solid var(--c-border);
	padding: 2rem 1.5rem;
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	flex-wrap: wrap;
	gap: 0.75rem;
	font-size: 0.75rem;
	color: var(--c-subtle);
	letter-spacing: 0.02em;
}
.foot-meta { opacity: 0.8; }

/* Entrance */
[data-enter] { opacity: 0; transform: translateY(14px); transition: opacity var(--dur-slow) var(--ease-out-quart), transform var(--dur-slow) var(--ease-out-quart); }
html.js-motion [data-enter].is-entered { opacity: 1; transform: none; }
html:not(.js-motion) [data-enter] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
	.progress-fill { transition: none; }
}

/* Preview-mode strip (sticky at top while developing) */
html.is-preview body::before {
	display: block;
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	text-align: center;
	padding: 0.6rem 1rem;
	position: sticky;
	top: 0;
	z-index: 50;
	content: "Preview mode. Validation skipped, submission will not send.";
	background: var(--c-highlight);
	color: var(--c-base);
}
html.is-preview.is-error body::before {
	content: "Preview mode. Submission would fail, endpoint not configured.";
}

/* Submission error banner. Inline with the form so the message appears
   directly above the intro instead of as a stripped header. */
.error-banner {
	margin: 1.5rem 1.5rem 0 1.5rem;
	padding: 1.1rem 1.3rem 1.2rem;
	background: var(--c-surface);
	border: 1px solid var(--c-border);
	animation: shake 0.35s var(--ease-out-quart);
}
.error-banner[hidden] { display: none; }
.error-banner-title {
	margin: 0 0 0.35rem 0;
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--c-highlight);
}
.error-banner-reason {
	margin: 0;
	font-size: 0.9375rem;
	line-height: 1.55;
	color: var(--c-contrast);
}
@media (min-width: 720px) {
	.error-banner { margin: 1.5rem auto 0; max-width: var(--shell); }
}

/* Error shake for invalid submit */
.step.has-errors {
	animation: shake 0.35s var(--ease-out-quart);
}
@keyframes shake {
	0%, 100% { transform: translateX(0); }
	20% { transform: translateX(-4px); }
	40% { transform: translateX(4px); }
	60% { transform: translateX(-2px); }
	80% { transform: translateX(2px); }
}