* {
	box-sizing: border-box;
}

:root {
	--tre-blue: #17355d;
	--tre-red: #bf0a30;
	--tre-ink: #172033;
	--tre-muted: #5c6b80;
	--tre-border: #d7dfeb;
	--tre-bg: #f6f8fb;
	--tre-panel: #ffffff;
}

body {
	margin: 0;
	font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	line-height: 1.6;
	color: var(--tre-ink);
	background: var(--tre-bg);
}

a {
	color: var(--tre-red);
	font-weight: 700;
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

.sms-page-shell {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.sms-header {
	background: var(--tre-panel);
	border-bottom: 1px solid var(--tre-border);
}

.sms-header-inner {
	width: min(1120px, calc(100% - 32px));
	margin: 0 auto;
	padding: 18px 0;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}

.sms-logo {
	display: flex;
	align-items: center;
	gap: 12px;
	color: var(--tre-blue);
	font-weight: 900;
	letter-spacing: 0;
}

.sms-logo img {
	width: 164px;
	max-width: 48vw;
	height: auto;
	display: block;
}

.sms-logo-text {
	display: none;
}

.sms-nav {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
	justify-content: flex-end;
	font-size: 14px;
}

.sms-main {
	flex: 1;
	width: min(960px, calc(100% - 32px));
	margin: 0 auto;
	padding: 42px 0 56px;
}

.sms-hero {
	border: 1px solid var(--tre-border);
	background: var(--tre-panel);
	padding: clamp(28px, 5vw, 48px);
	border-radius: 8px;
	box-shadow: 0 18px 45px rgba(23, 53, 93, 0.08);
}

.sms-kicker {
	margin: 0 0 10px;
	color: var(--tre-red);
	text-transform: uppercase;
	font-size: 12px;
	font-weight: 900;
	letter-spacing: 0.08em;
}

h1,
h2,
h3 {
	color: var(--tre-blue);
	line-height: 1.18;
	letter-spacing: 0;
}

h1 {
	margin: 0;
	font-size: clamp(34px, 6vw, 52px);
}

.sms-lede {
	margin: 18px 0 0;
	color: var(--tre-muted);
	font-size: 18px;
	max-width: 760px;
}

.sms-updated {
	margin: 14px 0 0;
	color: var(--tre-muted);
	font-size: 14px;
}

.sms-content {
	margin-top: 26px;
	display: grid;
	gap: 18px;
}

.sms-section {
	padding: 24px;
	border: 1px solid var(--tre-border);
	border-radius: 8px;
	background: var(--tre-panel);
}

.sms-section h2 {
	margin: 0 0 12px;
	font-size: 24px;
}

.sms-section h3 {
	margin: 22px 0 10px;
	font-size: 18px;
}

.sms-section p {
	margin: 0 0 12px;
	color: #26354a;
}

.sms-section p:last-child {
	margin-bottom: 0;
}

.sms-section ul,
.sms-section ol {
	margin: 0;
	padding-left: 22px;
	color: #26354a;
}

.sms-section li + li {
	margin-top: 8px;
}

.sms-callout {
	border-left: 4px solid var(--tre-red);
	background: #fff7f8;
	padding: 16px 18px;
	border-radius: 8px;
}

.sms-proof-figure {
	margin: 0 0 18px;
	display: grid;
	gap: 8px;
}

.sms-proof-figure img {
	display: block;
	width: 100%;
	height: auto;
	border: 1px solid var(--tre-border);
	border-radius: 8px;
	background: #ffffff;
}

.sms-proof-figure figcaption {
	color: var(--tre-muted);
	font-size: 13px;
	overflow-wrap: anywhere;
}

.sms-proof-card {
	border: 1px solid var(--tre-border);
	border-radius: 8px;
	padding: 20px;
	background: #fbfcff;
	display: grid;
	gap: 14px;
}

.sms-proof-field {
	display: grid;
	gap: 7px;
}

.sms-proof-label {
	color: var(--tre-blue);
	font-size: 13px;
	font-weight: 900;
}

.sms-proof-input,
.sms-proof-button,
.sms-proof-code {
	border: 1px solid var(--tre-border);
	border-radius: 8px;
	background: #ffffff;
	padding: 12px 14px;
	color: var(--tre-muted);
	font-size: 15px;
}

.sms-proof-button {
	width: fit-content;
	color: #ffffff;
	background: var(--tre-blue);
	font-weight: 900;
}

.sms-proof-consent {
	display: grid;
	grid-template-columns: 22px minmax(0, 1fr);
	gap: 12px;
	padding: 14px;
	border: 1px solid var(--tre-border);
	border-radius: 8px;
	background: #ffffff;
}

.sms-proof-checkbox {
	width: 18px;
	height: 18px;
	border: 2px solid var(--tre-blue);
	border-radius: 4px;
	background: #ffffff;
}

.sms-submission-list {
	display: grid;
	gap: 12px;
	margin: 0;
}

.sms-submission-list div {
	display: grid;
	gap: 5px;
	padding: 14px;
	border: 1px solid var(--tre-border);
	border-radius: 8px;
	background: #fbfcff;
}

.sms-submission-list dt {
	color: var(--tre-blue);
	font-weight: 900;
}

.sms-submission-list dd {
	margin: 0;
	color: #26354a;
}

.sms-sample-list li {
	overflow-wrap: anywhere;
}

.sms-footer {
	border-top: 1px solid var(--tre-border);
	background: #eef2f7;
	padding: 22px 0;
	color: var(--tre-muted);
	font-size: 13px;
}

.sms-footer-inner {
	width: min(1120px, calc(100% - 32px));
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
}

@media (max-width: 680px) {
	.sms-header-inner {
		align-items: flex-start;
		flex-direction: column;
	}

	.sms-nav {
		justify-content: flex-start;
	}

	.sms-main {
		padding-top: 28px;
	}

	.sms-section {
		padding: 20px;
	}
}