/* Paleta principal do site. */
:root {
	--primary-blue: #102C57;
	--cyan-clean: #00B4D8;
	--bg-white: #FFFFFF;
	--text-gray: #343A40;
	--accent-yellow: #FFD60A;
}

/* Reset simples para evitar diferencas entre navegadores. */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

/* Configuracoes gerais de leitura e cor da pagina. */
body {
	font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
	background: var(--bg-white);
	color: var(--text-gray);
	line-height: 1.6;
}

/* Cabecalho com logo e menu */
header {
	background: var(--primary-blue);
	color: var(--bg-white);
	text-align: left;
	padding: 1.5rem 1rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

header img {
	width: 120px;
	height: auto;
	margin-bottom: 0;
}

/* Menu em linha no desktop. */
nav ul {
	list-style: none;
	display: flex;
	justify-content: flex-end;
	gap: 0.7rem;
	flex-wrap: wrap;
}

nav {
	margin-left: auto;
	width: 100%;
}

nav a {
	display: inline-block;
	text-decoration: none;
	background: var(--cyan-clean);
	color: var(--bg-white);
	padding: 0.45rem 0.8rem;
	border-radius: 6px;
	font-weight: 600;
}

nav a:hover {
	background: var(--accent-yellow);
	color: var(--primary-blue);
}

/* Limitar a largura pra ficar certo */
main {
	max-width: 1100px;
	margin: 1.8rem auto;
	padding: 0 1rem;
}

/* Home em 3 colunas */
.home-main {
	display: flex;
	flex-wrap: wrap;
	align-items: stretch;
	gap: 1rem;
}

.home-main > h1 {
	flex: 1 1 100%;
}

.home-main > section {
	flex: 1 1 calc((100% - 2rem) / 3);
}

/* Bloco único para o vídeo que fica maior */
.home-main .video-destaque {
	flex: 1 1 100%;
	background: linear-gradient(135deg, var(--primary-blue), #1a3f78);
	color: var(--bg-white);
	padding: 1.2rem;
}

.home-main .video-destaque h3 {
	color: var(--accent-yellow);
}

.home-main .video-destaque video {
	width: 100%;
	max-height: 520px;
	object-fit: cover;
	background: #000;
	border: 2px solid rgba(255, 255, 255, 0.35);
}

main h1,
main h2,
main h3 {
	color: var(--primary-blue);
	margin-bottom: 0.6rem;
}

/* Cartoes pro conteúdo e para o formulário */
section,
article,
form {
	background: #f8fbff;
	border: 1px solid #d7e6f2;
	border-radius: 8px;
	padding: 1rem;
	margin-bottom: 1rem;
}

ul {
	padding-left: 1.2rem;
}

p,
li {
	margin-bottom: 0.5rem;
}

img,
video {
	max-width: 100%;
	height: auto;
	border-radius: 8px;
	margin: 0.5rem 0;
}

label {
	font-weight: 600;
	color: var(--primary-blue);
}

/* Campo para digitar no formulário */
input,
textarea {
	width: 100%;
	padding: 0.6rem;
	margin-top: 0.25rem;
	border: 1px solid #b8c7d8;
	border-radius: 6px;
	font: inherit;
}

input[type="submit"] {
	background: var(--primary-blue);
	color: var(--bg-white);
	border: 0;
	cursor: pointer;
	font-weight: 600;
}

input[type="submit"]:hover {
	background: var(--cyan-clean);
	color: var(--primary-blue);
}

/* Rodape igual em todas as paginas. */
footer {
	background: var(--primary-blue);
	color: var(--bg-white);
	text-align: center;
	padding: 1rem;
	margin-top: 2rem;
}

footer a {
	color: var(--accent-yellow);
	text-decoration: none;
}

footer a:hover {
	color: var(--cyan-clean);
}

/* Ajustes para celular */
@media (max-width: 768px) {
	header {
		display: block;
		text-align: center;
	}

	header img {
		margin: 0 auto 0.8rem;
	}

	/* Menu fica em coluna para caber melhor no celular. */
	nav ul {
		flex-direction: column;
		align-items: center;
	}

	.home-main {
		flex-direction: column;
	}

	.home-main > section {
		flex: 1 1 100%;
	}

	.home-main .video-destaque video {
		max-height: 340px;
	}
}