@import url("tokens.css");

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

html {
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
	scroll-padding-top: calc(var(--header-height) + var(--nav-height));
}

body {
	font-family: var(--font-body);
	font-size: var(--text-base);
	line-height: 1.7;
	margin: 0;
	padding: 0;
	padding-left: var(--safe-left);
	padding-right: var(--safe-right);
	background-color: var(--color-bg);
	color: var(--color-text);
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	min-height: 100dvh;
}

body.ad-free .adsbygoogle,
body.ad-free .google-auto-placed,
body.ad-free [id^="google_ads_iframe"] {
	display: none !important;
}

/* ── Header ── */
.site-header {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-3) var(--space-4);
	padding-top: calc(var(--space-3) + var(--safe-top));
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-border);
	min-height: var(--header-height);
}

.site-header__brand {
	position: relative;
	display: flex;
	align-items: center;
	justify-self: start;
	flex-shrink: 0;
	width: var(--touch-min);
	height: var(--touch-min);
	text-decoration: none;
	color: inherit;
	overflow: visible;
	-webkit-tap-highlight-color: transparent;
}

.site-header__logo {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 60px;
	height: 60px;
	transform: translate(-50%, -50%);
	object-fit: contain;
	flex-shrink: 0;
}

.site-header__logo--dark {
	display: none;
}

:root[data-theme="dark"] .site-header__logo--light {
	display: none;
}

:root[data-theme="dark"] .site-header__logo--dark {
	display: block;
}

:root[data-theme="light"] .site-header__logo--light {
	display: block;
}

:root[data-theme="light"] .site-header__logo--dark {
	display: none;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) .site-header__logo--light {
		display: none;
	}

	:root:not([data-theme="light"]) .site-header__logo--dark {
		display: block;
	}
}

.site-header__title {
	justify-self: center;
	grid-column: 2;
	text-align: center;
	font-family: var(--font-display);
	font-size: clamp(1.1rem, 2.8vw, 1.65rem);
	font-weight: 400;
	line-height: 1.25;
	color: var(--color-primary);
	margin: 0;
	padding: 0 var(--space-2);
	text-decoration: none;
	max-width: min(520px, 70vw);
	transition: color 0.2s ease;
}

.site-header__title:hover,
.site-header__title:focus-visible {
	color: var(--color-primary-light);
	outline: none;
}

.site-header__actions {
	display: flex;
	align-items: center;
	justify-self: end;
	grid-column: 3;
	gap: var(--space-2);
	flex-shrink: 0;
}

.site-header__social {
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--touch-min);
	height: var(--touch-min);
	border-radius: var(--radius-full);
	transition: background 0.2s ease;
}

.site-header__social:hover,
.site-header__social:focus-visible {
	background: var(--color-accent-soft);
	outline: none;
}

.site-header__social img {
	width: 22px;
	height: 22px;
}

/* Language selector */
.lang-select {
	position: relative;
}

.lang-select__btn {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-1);
	min-width: var(--touch-min);
	height: var(--touch-min);
	padding: 0 var(--space-2);
	font-family: var(--font-ui);
	font-size: var(--text-xs);
	font-weight: 600;
	color: var(--color-text-muted);
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: border-color 0.2s, color 0.2s;
}

.lang-select__btn:hover,
.lang-select__btn:focus-visible {
	border-color: var(--color-primary);
	color: var(--color-primary);
	outline: none;
}

.lang-select__menu {
	position: absolute;
	top: calc(100% + 4px);
	right: 0;
	min-width: 140px;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	list-style: none;
	margin: 0;
	padding: var(--space-2);
	z-index: 300;
	display: none;
}

.lang-select.is-open .lang-select__menu {
	display: block;
}

.lang-select__menu a {
	display: block;
	padding: var(--space-2) var(--space-3);
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	color: var(--color-text);
	text-decoration: none;
	border-radius: var(--radius-sm);
	min-height: var(--touch-min);
	line-height: var(--touch-min);
	padding-top: 0;
	padding-bottom: 0;
}

.lang-select__menu a:hover,
.lang-select__menu a:focus-visible,
.lang-select__menu a.is-active {
	background: var(--color-accent-soft);
	color: var(--color-primary);
	outline: none;
}

/* Theme toggle */
.theme-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--touch-min);
	height: var(--touch-min);
	font-size: 1.1rem;
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	cursor: pointer;
	transition: border-color 0.2s;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
	border-color: var(--color-primary);
	outline: none;
}

/* ── Navigation ── */
.site-nav-bar {
	position: sticky;
	top: 0;
	z-index: 250;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-3);
	padding: var(--space-2) var(--space-4);
	background: var(--color-nav-bg);
	border-bottom: 1px solid var(--color-border);
	box-shadow: var(--shadow-sm);
}

.site-nav__toggle {
	display: none;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-2) var(--space-4);
	min-height: var(--touch-min);
	font-family: var(--font-ui);
	font-size: var(--text-base);
	font-weight: 700;
	color: var(--color-primary);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-sm);
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
}

.site-nav__burger {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 22px;
	height: 18px;
	flex-shrink: 0;
}

.site-nav__burger span {
	display: block;
	height: 2px;
	width: 100%;
	background: var(--color-primary);
	border-radius: 2px;
	transition: transform 0.25s ease, opacity 0.2s ease;
}

body.nav-open .site-nav__burger span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

body.nav-open .site-nav__burger span:nth-child(2) {
	opacity: 0;
}

body.nav-open .site-nav__burger span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.site-nav__current {
	display: none;
	margin: 0;
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--color-text-muted);
	text-align: right;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* Full-screen menu drawer (mobile) / inline nav (desktop) */
.site-nav__drawer {
	position: relative;
}

.site-nav__drawer-head {
	display: none;
}

.site-nav__list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: var(--space-2);
	padding: var(--space-2) var(--space-4);
}

.site-nav__link {
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--color-text-muted);
	text-decoration: none;
	padding: var(--space-2) var(--space-4);
	min-height: var(--touch-min);
	display: inline-flex;
	align-items: center;
	border-radius: var(--radius-full);
	border: 1px solid transparent;
	background: transparent;
	transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
	white-space: nowrap;
	-webkit-tap-highlight-color: transparent;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
	color: var(--color-primary);
	background: var(--color-surface);
	border-color: var(--color-border);
	outline: none;
}

.site-nav__link.active {
	color: var(--color-surface);
	background: var(--color-primary);
	border-color: var(--color-primary);
	box-shadow: var(--shadow-sm);
}

body.nav-open {
	overflow: hidden;
}

@media (max-width: 768px) {
	.site-nav__toggle,
	.site-nav__current {
		display: flex;
	}

	.site-nav__current {
		display: block;
		flex: 1;
		min-width: 0;
	}

	.site-nav__drawer {
		position: fixed;
		inset: 0;
		z-index: 400;
		display: flex;
		flex-direction: column;
		background: var(--color-surface);
		padding: calc(var(--safe-top) + var(--space-3)) var(--space-4) calc(var(--space-4) + var(--safe-bottom));
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transition: opacity 0.25s ease, visibility 0.25s ease;
	}

	body.nav-open .site-nav__drawer {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
	}

	.site-nav__drawer-head {
		display: flex;
		align-items: center;
		justify-content: space-between;
		gap: var(--space-4);
		margin-bottom: var(--space-4);
		padding-bottom: var(--space-3);
		border-bottom: 1px solid var(--color-border);
		flex-shrink: 0;
	}

	.site-nav__drawer-title {
		margin: 0;
		font-family: var(--font-ui);
		font-size: var(--text-lg);
		font-weight: 700;
		color: var(--color-primary);
	}

	.site-nav__close {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		width: var(--touch-min);
		height: var(--touch-min);
		padding: 0;
		font-size: 1.25rem;
		line-height: 1;
		color: var(--color-text-muted);
		background: var(--color-bg);
		border: 1px solid var(--color-border);
		border-radius: var(--radius-md);
		cursor: pointer;
		-webkit-tap-highlight-color: transparent;
	}

	.site-nav__close:hover,
	.site-nav__close:focus-visible {
		color: var(--color-primary);
		border-color: var(--color-primary);
		outline: none;
	}

	.site-nav__list {
		flex-direction: column;
		flex-wrap: nowrap;
		align-items: stretch;
		gap: 0;
		padding: 0;
		overflow-y: auto;
		-webkit-overflow-scrolling: touch;
	}

	.site-nav__link {
		width: 100%;
		justify-content: flex-start;
		padding: var(--space-4);
		font-size: var(--text-base);
		border-radius: 0;
		border: none;
		border-bottom: 1px solid var(--color-border);
		white-space: normal;
	}

	.site-nav__link.active {
		font-weight: 700;
		background: var(--color-accent-soft);
		color: var(--color-primary);
		box-shadow: none;
		border-bottom-color: var(--color-border);
	}

	.site-nav__link.active::before {
		content: "●";
		margin-right: var(--space-3);
		font-size: 0.65em;
	}
}

@media (min-width: 769px) {
	.site-nav-bar {
		display: none;
	}

	.site-nav__drawer {
		position: sticky;
		top: 0;
		z-index: 250;
		background: var(--color-nav-bg);
		border-bottom: 1px solid var(--color-border);
		box-shadow: var(--shadow-sm);
		backdrop-filter: blur(10px);
		-webkit-backdrop-filter: blur(10px);
	}

	.site-nav__list {
		padding: var(--space-3) var(--space-8);
	}
}

main {
	flex: 1;
	padding: var(--space-4) var(--space-4) var(--space-6);
	padding-bottom: calc(var(--space-6) + var(--safe-bottom));
}

.content {
	max-width: var(--content-max-width);
	margin: 0 auto;
	padding: var(--space-6) var(--space-5);
	background: var(--color-surface);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-md);
	border: 1px solid var(--color-border);
	text-align: left;
}

.content > *:first-child {
	margin-top: 0;
}

.content h2 {
	font-family: var(--font-ui);
	font-size: var(--text-xl);
	font-weight: 700;
	color: var(--color-primary);
	margin: 0 0 var(--space-5);
	padding-bottom: var(--space-3);
	border-bottom: 2px solid var(--color-accent-soft);
	line-height: 1.3;
}

.content h3 {
	font-family: var(--font-ui);
	font-size: var(--text-lg);
	font-weight: 600;
	color: var(--color-text);
	margin: var(--space-6) 0 var(--space-3);
	line-height: 1.35;
}

.content h4 {
	font-family: var(--font-ui);
	font-size: var(--text-base);
	font-weight: 600;
	color: var(--color-text-muted);
	margin: var(--space-5) 0 var(--space-2);
}

.content p {
	margin: 0 0 var(--space-4);
	max-width: 65ch;
}

.content ul,
.content ol {
	margin: 0 0 var(--space-4);
	padding-left: var(--space-6);
	max-width: 65ch;
}

.content li {
	margin-bottom: var(--space-2);
}

.content li::marker {
	color: var(--color-accent);
}

.content a:not(.btn) {
	color: var(--color-primary);
	text-decoration: underline;
	text-decoration-color: var(--color-accent);
	text-underline-offset: 3px;
	transition: color 0.2s;
}

.content a:not(.btn):hover,
.content a:not(.btn):focus-visible {
	color: var(--color-primary-light);
	outline: none;
}

.content blockquote {
	margin: var(--space-5) 0;
	padding: var(--space-4) var(--space-5);
	background: var(--color-blockquote-bg);
	border-left: 4px solid var(--color-accent);
	border-radius: 0 var(--radius-md) var(--radius-md) 0;
	max-width: 65ch;
}

.content blockquote p {
	margin: 0;
	font-style: italic;
}

.content em {
	color: var(--color-text-muted);
}

.content strong {
	font-weight: 600;
	color: var(--color-text);
}

.content .text-hint {
	color: var(--color-accent);
	font-style: italic;
	font-size: var(--text-sm);
}

.content .text-note {
	color: var(--color-text-muted);
	font-size: var(--text-sm);
}

/* ── Buttons ── */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	min-height: var(--touch-min);
	padding: var(--space-3) var(--space-6);
	font-family: var(--font-ui);
	font-size: var(--text-base);
	font-weight: 600;
	text-decoration: none;
	border: none;
	border-radius: var(--radius-md);
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
	-webkit-tap-highlight-color: transparent;
}

.btn:active {
	transform: scale(0.98);
}

.btn--primary {
	background: var(--color-success);
	color: #fff;
	box-shadow: var(--shadow-sm);
}

.btn--primary:hover,
.btn--primary:focus-visible {
	color: #fff;
	background: #358559;
	box-shadow: var(--shadow-md);
	outline: none;
}

.btn--secondary {
	background: var(--color-primary);
	color: #fff;
	box-shadow: var(--shadow-sm);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
	color: #fff;
	background: var(--color-primary-light);
	outline: none;
}

.btn--ghost {
	background: var(--color-bg);
	color: var(--color-primary);
	border: 1px solid var(--color-border);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
	border-color: var(--color-primary);
	outline: none;
}

.btn-group {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-3);
	justify-content: center;
	margin: var(--space-5) 0;
}

/* ── Book cards ── */
.book-list {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
	gap: var(--space-4);
	margin-top: var(--space-5);
}

.book {
	background: var(--color-bg);
	padding: var(--space-4);
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border);
	text-align: center;
	transition: box-shadow 0.2s, transform 0.2s;
}

.book:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}

.book img {
	width: 100%;
	max-width: 140px;
	height: auto;
	border-radius: var(--radius-sm);
	aspect-ratio: 2/3;
	object-fit: cover;
}

.book p {
	margin: var(--space-3) 0 var(--space-2);
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	max-width: none;
}

.book a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: var(--touch-min);
	padding: var(--space-2) var(--space-3);
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	font-weight: 600;
	color: var(--color-primary);
	text-decoration: none;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	transition: background 0.2s, border-color 0.2s;
}

.book a:hover,
.book a:focus-visible {
	background: var(--color-accent-soft);
	border-color: var(--color-accent);
	outline: none;
}

/* ── Apoio page ── */
.apoio-cta {
	text-align: center;
	margin: var(--space-6) 0;
	padding: var(--space-6) var(--space-4);
	background: var(--color-bg);
	border-radius: var(--radius-md);
	border: 1px solid var(--color-border);
}

.apoio-cta__lead {
	font-size: var(--text-lg);
	color: var(--color-text);
	max-width: 55ch;
	margin: 0 auto var(--space-6);
}

.apoio-cta .btn--primary {
	font-size: 1.125rem;
	padding: var(--space-4) var(--space-8);
	min-width: min(100%, 280px);
	border-radius: var(--radius-full);
	letter-spacing: 0.01em;
}

.apoio-cta__note {
	font-size: var(--text-sm);
	color: var(--color-text-muted);
	margin: var(--space-4) 0 0;
}

/* ── Footer ── */
.site-footer {
	background: var(--color-footer-bg);
	color: var(--color-footer-text);
	text-align: center;
	padding: var(--space-5) var(--space-4);
	padding-bottom: calc(var(--space-5) + var(--safe-bottom));
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	border-top: 1px solid var(--color-border);
}

.site-footer p {
	margin: 0;
}

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

.site-footer a:hover,
.site-footer a:focus-visible {
	text-decoration: underline;
	outline: none;
}

/* ── Decorative separator ── */
.separador-arabesco {
	text-align: center;
	font-size: var(--text-sm);
	color: var(--color-text-muted);
	margin: var(--space-8) 0;
	letter-spacing: 0.3em;
	opacity: 0.6;
}

.birthstone-regular {
	font-family: var(--font-display);
	font-weight: 400;
	font-style: normal;
}

@media (display-mode: standalone) {
	.site-header {
		padding-top: calc(var(--space-4) + var(--safe-top));
	}
}

/* ── Desktop enhancements ── */
@media (min-width: 769px) {
	.site-header {
		padding: var(--space-4) var(--space-8);
		padding-top: calc(var(--space-4) + var(--safe-top));
	}

	.site-header__brand {
		width: 52px;
		height: 52px;
	}

	.site-header__logo {
		width: 84px;
		height: 84px;
	}

	.site-nav__list {
		padding: var(--space-3) var(--space-8);
	}

	main {
		padding: var(--space-6) var(--space-8) var(--space-10);
	}

	.content {
		padding: var(--space-8) var(--space-10);
	}

	.book-list {
		grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	}
}

@media (max-width: 480px) {
	.content {
		padding: var(--space-5) var(--space-4);
		border-radius: var(--radius-md);
	}

	main {
		padding: var(--space-3);
	}

	.site-header__title {
		font-size: 0.95rem;
		max-width: min(240px, 42vw);
		line-height: 1.2;
	}
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}