:root {
	color-scheme: dark;
	--bg-base: #060b18;
	--bg-elev: #0f172a;
	--card: #111b31;
	--card-soft: #0e1628;
	--line: #243654;
	--line-strong: #34507c;
	--text: #e8eeff;
	--text-soft: #93a4c8;
	--accent: #60a5fa;
	--accent-2: #a78bfa;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	min-height: 100vh;
	background:
		radial-gradient(1000px 460px at 50% -10%, rgba(96, 165, 250, 0.22), transparent 70%),
		radial-gradient(900px 500px at 100% 100%, rgba(167, 139, 250, 0.14), transparent 65%),
		var(--bg-base);
	color: var(--text);
}

.app {
	width: min(920px, 92vw);
	margin: 34px auto;
	border: 1px solid var(--line);
	border-radius: 18px;
	background: linear-gradient(160deg, rgba(17, 27, 49, 0.92), rgba(12, 21, 39, 0.96));
	box-shadow: 0 20px 48px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.04);
	padding: 26px;
}

h1 {
	margin: 0;
	font-size: clamp(1.55rem, 1.3rem + 1.2vw, 2.05rem);
	line-height: 1.2;
	letter-spacing: -0.02em;
}

p {
	color: var(--text-soft);
	margin-top: 10px;
	line-height: 1.6;
}

.grid {
	margin-top: 18px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 12px;
}

a {
	display: block;
	text-decoration: none;
	color: var(--text);
	border: 1px solid var(--line);
	border-radius: 12px;
	padding: 14px;
	background: linear-gradient(170deg, var(--card), var(--card-soft));
	transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

a:hover {
	border-color: var(--accent);
	transform: translateY(-2px);
	box-shadow: 0 10px 28px rgba(59, 130, 246, 0.2);
}

.name {
	font-weight: 600;
}

.desc {
	margin-top: 6px;
	color: var(--text-soft);
	font-size: 0.92rem;
	line-height: 1.5;
}

.card {
	border: 1px solid var(--line);
	border-radius: 12px;
	background: linear-gradient(170deg, var(--card), var(--card-soft));
	padding: 14px;
}

.input-grid {
	margin-top: 16px;
	display: grid;
	grid-template-columns: repeat(12, minmax(0, 1fr));
	gap: 12px;
	align-items: end;
}

.input-grid > * {
	grid-column: span 3;
}

.button-row {
	grid-column: 1 / -1;
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	align-items: center;
}

.button-row button {
	flex: 1 1 180px;
}

input,
select,
textarea,
button {
	width: 100%;
	border: 1px solid var(--line-strong);
	border-radius: 10px;
	background: #0a1324;
	color: var(--text);
	font: inherit;
}

input,
select,
button {
	min-height: 44px;
	padding: 10px 12px;
}

textarea {
	margin-top: 14px;
	min-height: 220px;
	padding: 12px;
	resize: vertical;
	line-height: 1.4;
}

input::placeholder,
textarea::placeholder {
	color: #89a1cc;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
	outline: none;
	border-color: #38bdf8;
	box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18);
}

button {
	cursor: pointer;
	background: linear-gradient(180deg, #1a2a45, #14213a);
	font-weight: 600;
	transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

button:hover {
	border-color: var(--accent);
	background: linear-gradient(180deg, #203458, #172845);
	transform: translateY(-1px);
}

.seo-content {
	margin-top: 14px;
	padding: 14px;
	border: 1px solid var(--line);
	border-radius: 10px;
	background: linear-gradient(170deg, #0f1a2f, #0b1325);
}

.seo-content h2 {
	margin: 0 0 8px;
	font-size: 1rem;
	color: #c7d7ff;
}

.seo-content h2 + p {
	margin-top: 0;
}

.seo-content p {
	margin: 6px 0;
	color: var(--text-soft);
	line-height: 1.5;
}

@media (max-width: 920px) {
	.input-grid > * {
		grid-column: span 6;
	}
}

@media (max-width: 640px) {
	.app {
		padding: 18px;
	}

	h1 {
		font-size: 1.6rem;
	}

	.input-grid > * {
		grid-column: span 12;
	}

	textarea {
		min-height: 180px;
	}
}