/* IP-Probe brochure-inspired stylesheet
   Palette matches DVB_IP_Probe_flyer_2026.pdf:
   - Near-black background with subtle blue/purple bokeh
   - Bright cyan wordmark and headings
   - White/light-gray body text
   - Rounded pill tags with hairline borders */

:root {
	--bg: #05070d;
	--bg-2: #0a0f1c;
	--panel: rgba(255, 255, 255, 0.03);
	--panel-border: rgba(255, 255, 255, 0.08);
	--text: #e8eef7;
	--text-dim: #b7c1d1;
	--accent: #3fb8ff;
	--accent-strong: #55c8ff;
	--accent-soft: rgba(63, 184, 255, 0.15);
	--pill-border: rgba(160, 200, 240, 0.35);
	--radius: 14px;
	--radius-sm: 10px;
	--maxw: 1200px;
}

* { box-sizing: border-box; }

html, body {
	margin: 0;
	padding: 0;
	background: var(--bg);
	color: var(--text);
	font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

body {
	background:
		radial-gradient(1200px 700px at 15% 10%, rgba(58, 92, 200, 0.28), transparent 60%),
		radial-gradient(900px 600px at 85% 25%, rgba(120, 60, 200, 0.22), transparent 60%),
		radial-gradient(1000px 700px at 30% 80%, rgba(40, 90, 180, 0.24), transparent 60%),
		radial-gradient(900px 700px at 90% 95%, rgba(80, 40, 160, 0.22), transparent 60%),
		linear-gradient(180deg, #05070d 0%, #060912 100%);
	background-attachment: fixed;
	min-height: 100vh;
}

a { color: var(--accent-strong); text-decoration: none; }
a:hover { color: #8fdcff; }

img { max-width: 100%; height: auto; display: block; }

/* ---------- layout ---------- */
.container {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 0 28px;
}

section { padding: 72px 0; }
section.tight { padding: 40px 0; }

/* ---------- top bar ---------- */
.topbar {
	padding: 22px 0;
}
.topbar .container {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 24px;
}
.brandmark {
	font-weight: 800;
	font-size: 20px;
	letter-spacing: 0.2px;
	color: var(--accent-strong);
}
.brandmark small {
	display: block;
	font-size: 11px;
	font-weight: 500;
	color: var(--text-dim);
	letter-spacing: 1.5px;
	text-transform: uppercase;
}
.topnav a {
	color: var(--text-dim);
	margin-left: 22px;
	font-size: 14px;
	font-weight: 500;
	letter-spacing: 0.3px;
}
.topnav a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero {
	padding: 60px 0 40px;
	text-align: center;
}
.hero h1 {
	font-size: clamp(64px, 11vw, 148px);
	line-height: 0.95;
	margin: 0 0 16px;
	font-weight: 900;
	letter-spacing: -0.02em;
	color: var(--accent-strong);
	text-shadow: 0 0 60px rgba(63, 184, 255, 0.35);
}
.hero .tagline {
	font-size: clamp(20px, 2.4vw, 30px);
	font-weight: 700;
	color: #ffffff;
	margin: 0 auto;
	max-width: 900px;
}
.hero .url {
	margin-top: 22px;
	font-size: 14px;
	letter-spacing: 3px;
	text-transform: uppercase;
	color: var(--text-dim);
}

/* ---------- generic split section ---------- */
.split {
	display: grid;
	grid-template-columns: 1.5fr 1fr;
	gap: 44px;
	align-items: center;
}
.split.reverse { grid-template-columns: 1fr 1.5fr; }
.split.even { grid-template-columns: 1fr 1fr; align-items: start; }
.split.reverse .split-copy { order: 1; }
.split.reverse .split-media { order: 2; }
.split .split-copy p {
	color: var(--text);
	font-size: 17px;
	margin: 0 0 14px;
}
.split .split-copy p.lead {
	font-weight: 600;
}

@media (max-width: 900px) {
	.split, .split.reverse, .split.even { grid-template-columns: 1fr; }
	.split.reverse .split-copy,
	.split.reverse .split-media { order: initial; }
}

/* ---------- section heading ---------- */
h2.section-title {
	color: var(--accent-strong);
	font-size: 34px;
	font-weight: 800;
	margin: 0 0 22px;
	letter-spacing: -0.01em;
}
h3.sub-title {
	color: var(--accent-strong);
	font-size: 22px;
	font-weight: 700;
	margin: 28px 0 12px;
}

/* ---------- screenshot card ---------- */
.shot {
	border-radius: var(--radius);
	overflow: hidden;
	background: #000;
	border: 1px solid var(--panel-border);
	box-shadow:
		0 20px 40px -20px rgba(0, 0, 0, 0.7),
		0 0 60px -20px rgba(63, 184, 255, 0.25);
	transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.shot:hover {
	transform: translateY(-2px);
	box-shadow:
		0 24px 50px -18px rgba(0, 0, 0, 0.8),
		0 0 80px -18px rgba(63, 184, 255, 0.4);
}
.shot img { width: 100%; display: block; cursor: zoom-in; }
.shot img:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ---------- gallery grid ----------
   Screenshots have different aspect ratios; align-items:start keeps each
   card sized to its image so the grid does not stretch shorter ones. */
.gallery {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
	align-items: start;
}
@media (max-width: 900px) {
	.gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
	.gallery { grid-template-columns: 1fr; }
}

/* ---------- pills / feature tags ---------- */
.pill-row {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	justify-content: center;
	margin: 22px 0;
}
.pill {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 14px 26px;
	min-width: 180px;
	text-align: center;
	border-radius: 999px;
	border: 1px solid var(--pill-border);
	background: rgba(10, 18, 34, 0.55);
	color: #ffffff;
	font-weight: 700;
	font-size: 16px;
	letter-spacing: 0.2px;
	box-shadow: inset 0 0 30px rgba(63, 184, 255, 0.06);
}
.pill.large {
	font-size: 20px;
	padding: 18px 34px;
	min-width: 240px;
}

/* ---------- lists ---------- */
ul.dot-list {
	list-style: none;
	padding: 0;
	margin: 0;
}
ul.dot-list li {
	position: relative;
	padding: 6px 0 6px 22px;
	font-size: 17px;
	color: var(--text);
}
ul.dot-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 15px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--accent);
	box-shadow: 0 0 10px rgba(63, 184, 255, 0.7);
}

/* ---------- license structure ---------- */
.license-stack {
	display: flex;
	flex-direction: column;
	gap: 14px;
	max-width: 860px;
	margin: 0 auto;
}
.license-row {
	display: flex;
	gap: 14px;
}
.license-row .lic { flex: 1; }
.lic {
	border: 1px solid var(--pill-border);
	background: rgba(10, 18, 34, 0.55);
	border-radius: var(--radius-sm);
	padding: 16px 20px;
	text-align: center;
	font-weight: 700;
	color: #fff;
}
@media (max-width: 640px) {
	.license-row { flex-wrap: wrap; }
	.license-row .lic { flex: 1 1 calc(50% - 7px); }
}

/* ---------- contact / footer ---------- */
.contact-wrap {
	background: linear-gradient(180deg, rgba(10, 18, 34, 0.6), rgba(10, 18, 34, 0.2));
	border-top: 1px solid var(--panel-border);
	border-bottom: 1px solid var(--panel-border);
	padding: 72px 0;
}
.contact-grid {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: 48px;
}
@media (max-width: 900px) {
	.contact-grid { grid-template-columns: 1fr; }
}
.contact form .field { margin-bottom: 14px; }
.contact label {
	display: block;
	font-size: 13px;
	letter-spacing: 0.5px;
	text-transform: uppercase;
	color: var(--text-dim);
	margin-bottom: 6px;
	font-weight: 600;
}
.contact input[type=text],
.contact input[type=email],
.contact textarea {
	width: 100%;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid var(--panel-border);
	color: var(--text);
	font-family: inherit;
	font-size: 15px;
	border-radius: var(--radius-sm);
	padding: 12px 14px;
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.contact input:focus,
.contact textarea:focus {
	border-color: var(--accent);
	box-shadow: 0 0 0 3px var(--accent-soft);
}
.contact textarea { min-height: 140px; resize: vertical; }
.contact input[type=submit] {
	appearance: none;
	background: var(--accent);
	color: #04121f;
	border: 0;
	padding: 12px 28px;
	font-weight: 800;
	font-size: 15px;
	letter-spacing: 0.3px;
	border-radius: 999px;
	cursor: pointer;
	transition: transform 0.15s ease, background 0.15s ease;
}
.contact input[type=submit]:hover {
	background: var(--accent-strong);
	transform: translateY(-1px);
}

.contact-info {
	color: var(--text);
	display: flex;
	align-items: flex-start;
	gap: 20px;
}
.contact-logo { flex: 0 0 auto; }
.contact-logo img {
	display: block;
	width: 70px;
	height: auto;
}
@media (max-width: 480px) {
	.contact-info { flex-direction: column; gap: 16px; }
	.contact-logo img { width: 56px; }
}
.contact-info h3 {
	color: var(--accent-strong);
	font-size: 20px;
	margin: 0 0 12px;
}
.contact-info address {
	font-style: normal;
	color: var(--text-dim);
	line-height: 1.7;
	margin-bottom: 16px;
}
.contact-info a { color: var(--accent-strong); }

.footer-note {
	padding: 22px 0 40px;
	text-align: center;
	color: var(--text-dim);
	font-size: 13px;
	letter-spacing: 0.3px;
}
.footer-note .brand-url {
	color: var(--accent-strong);
	font-weight: 800;
	letter-spacing: 2px;
	text-transform: uppercase;
	font-size: 14px;
}

/* ---------- helpers ---------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.error-msg {
	background: rgba(255, 60, 60, 0.12);
	border: 1px solid rgba(255, 60, 60, 0.4);
	color: #ffb4b4;
	padding: 10px 14px;
	border-radius: var(--radius-sm);
	margin-bottom: 16px;
	font-size: 14px;
}

/* ---------- contact form result popup ---------- */
.form-dialog {
	width: min(420px, calc(100% - 32px));
	background: var(--bg-2);
	color: var(--text);
	border: 1px solid var(--panel-border);
	border-top: 3px solid var(--accent);
	border-radius: var(--radius);
	padding: 24px 24px 20px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}
.form-dialog.is-error { border-top-color: #ff5c5c; }
.form-dialog::backdrop {
	background: rgba(5, 7, 13, 0.7);
	backdrop-filter: blur(2px);
}
.form-dialog h3 {
	margin: 0 0 10px;
	font-size: 20px;
	color: var(--accent-strong);
}
.form-dialog.is-error h3 { color: #ffb4b4; }
.form-dialog p {
	margin: 0 0 20px;
	color: var(--text-dim);
	line-height: 1.6;
	white-space: pre-line;
}
.form-dialog button {
	appearance: none;
	background: var(--accent);
	color: #04121f;
	border: 0;
	padding: 10px 26px;
	font-weight: 800;
	font-size: 15px;
	font-family: inherit;
	border-radius: 999px;
	cursor: pointer;
	float: right;
}
.form-dialog button:hover { background: var(--accent-strong); }
.contact input[type=submit]:disabled {
	opacity: 0.6;
	cursor: wait;
	transform: none;
}

/* ---------- screenshot zoom (lightbox) ---------- */
.lightbox {
	max-width: none;
	max-height: none;
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 16px;
	border: 0;
	background: transparent;
	cursor: zoom-out;
}
.lightbox[open] {
	display: flex;
	align-items: center;
	justify-content: center;
}
.lightbox::backdrop {
	background: rgba(5, 7, 13, 0.92);
	backdrop-filter: blur(3px);
}
.lightbox figure {
	margin: 0;
	text-align: center;
}
.lightbox img {
	display: block;
	max-width: 100%;
	max-height: calc(100vh - 80px);
	margin: 0 auto;
	border-radius: var(--radius-sm);
	border: 1px solid var(--panel-border);
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
}
.lightbox figcaption {
	margin-top: 12px;
	color: var(--text-dim);
	font-size: 14px;
}