@font-face {
	font-family: "Flama";
	src: url("../../assets/flama-book.woff2") format("woff2");
	font-weight: 400;
	font-display: swap;
}
@font-face {
	font-family: "Flama";
	src: url("../../assets/flama-medium.woff2") format("woff2");
	font-weight: 500;
	font-display: swap;
}
@font-face {
	font-family: "Flama Semicondensed";
	src: url("../../assets/flama-semicondensed-medium.woff2") format("woff2");
	font-weight: 500;
	font-display: swap;
}

:root {
	--black: #000000;
	--white: #ffffff;
	--black-a55: rgb(0 0 0 / 0.55);
	--black-a0: rgb(0 0 0 / 0);
	--grey-100: #f2f2f2;
	--grey-200: #d9d9d9;
	--grey-400: #9b9b9b;
	--grey-700: #3a3a3a;
	--grey-900: #151515;
	--lime-1: #cfff48;
	--lime-2: #a6d02f;
	--mint-1: #4affd4;
	--mint-2: #1dbf94;
	--purple-1: #bc9cff;
	--purple-2: #8362e0;
	--rose-1: #ffbecd;
	--rose-2: #dc8196;
	--orange-1: #ffa14a;
	--orange-2: #ca680e;

	--bg: var(--white);
	--fg: var(--black);
	--fg-soft: var(--grey-700);
	--line: var(--grey-200);
	--bg-inverse: var(--black);
	--fg-inverse: var(--white);
	--fg-inverse-soft: var(--grey-200);
	--line-inverse: var(--grey-700);
	--on-photo: var(--white);
	--scrim: var(--black-a55);
	--scrim-clear: var(--black-a0);

	--font-text: "Flama", "Helvetica Neue", Arial, sans-serif;
	--font-display: "Flama Semicondensed", "Flama", "Helvetica Neue", Arial, sans-serif;

	--gutter: clamp(1rem, 4vw, 4rem);
	--header-h: 4rem;
	--ease: cubic-bezier(0.2, 0.7, 0.2, 1);

	--book-color: var(--grey-200);
	--book-color-deep: var(--grey-400);
	--book-title-size: 20vw;
	--book-title-size-sm: 20vw;

	--title-size: 21vw;
	--title-size-sm: 30vw;
}

/* Um livro = quatro variáveis + cor + tamanho do título */
.book--siga {
	--book-color: var(--orange-1);
	--book-color-deep: var(--orange-2);
	--book-panorama: url("../fotos/15-pao-de-acucar-aereo.jpg");
	--book-panorama-focus: 60% 52%;
	--book-cover: url("../fotos/capa-siga.jpg");
	--book-title-size: 19.5vw;
	--book-title-size-sm: 38vw;
}
.book--kit {
	--book-color: var(--lime-1);
	--book-color-deep: var(--lime-2);
}
.book--descubra {
	--book-color: var(--purple-1);
	--book-color-deep: var(--purple-2);
	--book-panorama: url("../fotos/14-cristo-redentor-luz.jpg");
	--book-panorama-focus: 50% 27%;
	--book-cover: url("../fotos/capa-descubra.jpg");
	--book-title-size: 18.5vw;
	--book-title-size-sm: 18.5vw;
}
.book--experimente {
	--book-color: var(--mint-1);
	--book-color-deep: var(--mint-2);
	--book-panorama: url("../fotos/13-maos-ao-alto-niteroi.jpg");
	--book-panorama-focus: 50% 20%;
	--book-cover: url("../fotos/capa-experimente.jpg");
	--book-title-size: 14.5vw;
	--book-title-size-sm: 14.5vw;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}
html {
	-webkit-text-size-adjust: 100%;
	overflow-x: clip;
	scroll-behavior: smooth;
	scroll-padding-top: var(--header-h);
}
body {
	margin: 0;
	background: var(--bg);
	color: var(--fg);
	font: 400 1.0625rem/1.55 var(--font-text);
	overflow-x: clip;
}
img,
svg {
	display: block;
	max-width: 100%;
}
h1,
h2,
h3,
p,
blockquote,
figure {
	margin: 0;
}
p {
	text-wrap: pretty;
}
a {
	color: inherit;
}
:focus-visible {
	outline: 3px solid currentColor;
	outline-offset: 3px;
}
.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip-path: inset(50%);
	white-space: nowrap;
}

/* Cabeçalho */
.site-header {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--header-h);
	padding-inline: var(--gutter);
	background: var(--bg-inverse);
	color: var(--fg-inverse);
}
.site-header__logo img {
	height: 2.75rem;
	width: auto;
}
.site-nav {
	display: flex;
	align-items: center;
	gap: clamp(1rem, 3vw, 2.5rem);
	font: 500 0.875rem/1 var(--font-text);
	letter-spacing: 0.1em;
	text-transform: uppercase;
}
.site-nav a {
	display: inline-flex;
	align-items: center;
	min-height: 2.75rem;
	text-decoration: none;
}
.site-nav a:hover {
	text-decoration: underline;
	text-underline-offset: 0.4em;
}
@media (max-width: 719px) {
	.site-nav .site-nav__minor {
		display: none;
	}
}
.cart-link__count {
	display: inline-grid;
	place-items: center;
	min-width: 1.5rem;
	height: 1.5rem;
	margin-left: 0.5rem;
	padding-inline: 0.25rem;
	background: var(--book-color);
	color: var(--black);
	font-size: 0.8125rem;
}

/* Faixa panorâmica */
.band {
	position: relative;
	height: var(--band-h, clamp(260px, 48svh, 560px));
	background: var(--grey-900) var(--band-image) var(--band-focus, 50% 50%) / cover no-repeat;
}
.band::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, var(--scrim), var(--scrim-clear) 65%);
}
.band--book {
	--band-image: var(--book-panorama);
	--band-focus: var(--book-panorama-focus);
}
.band--tall {
	--band-h: clamp(300px, 46svh, 480px);
}
@media (min-width: 900px) {
	.band--tall {
		--band-h: clamp(260px, 34svh, 560px);
	}
}
.band--mid {
	--band-h: clamp(300px, 52svh, 520px);
}
.band--short {
	--band-h: clamp(220px, 36svh, 420px);
}

/* Título que cruza a borda da foto: metade sobre a foto, metade sobre o campo */
.overlap-title {
	--size: var(--title-size-sm);
	--lh: 0.84;
	--pad: 0.05;
	--over: var(--white);
	--under: var(--black);
	--rise: calc(var(--size) * (var(--pad) + var(--lh) / 2));
	position: relative;
	z-index: 2;
	margin-top: calc(var(--rise) * -1);
	padding: calc(var(--size) * var(--pad)) var(--gutter);
	font: 500 var(--size) / var(--lh) var(--font-display);
	letter-spacing: 0.02em;
	text-transform: uppercase;
	text-wrap: balance;
	color: var(--under);
}
@media (min-width: 720px) {
	.overlap-title {
		--size: var(--title-size);
	}
}
.overlap-title::before {
	content: attr(data-text) / "";
	position: absolute;
	inset: 0;
	padding: inherit;
	color: var(--over);
	clip-path: inset(0 0 calc(100% - var(--rise)) 0);
	pointer-events: none;
}
.overlap-title--book {
	--title-size: var(--book-title-size);
	--title-size-sm: var(--book-title-size-sm);
}
.overlap-title--on-dark {
	--under: var(--white);
}

/* Campos */
.surface {
	display: flow-root;
	background: var(--bg);
	color: var(--fg);
}
.surface--book {
	background: var(--book-color);
	color: var(--black);
}
.surface--dark {
	background: var(--bg-inverse);
	color: var(--fg-inverse);
}
.surface__body {
	padding: 1.5rem var(--gutter) 3rem;
}
@media (min-width: 900px) {
	.surface__body {
		padding-bottom: 4.5rem;
	}
}

/* Botões */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 3.25rem;
	padding: 0 1.75rem;
	border: 2px solid var(--black);
	background: var(--black);
	color: var(--white);
	font: 500 0.9375rem/1 var(--font-text);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s, color 0.2s;
}
.btn:hover {
	background: var(--white);
	color: var(--black);
}
.btn--line {
	background: transparent;
	color: inherit;
	border-color: currentColor;
}
.btn--line:hover {
	background: var(--black);
	color: var(--white);
	border-color: var(--black);
}
.btn--book {
	background: var(--book-color);
	border-color: var(--book-color);
	color: var(--black);
}
.btn--book:hover {
	background: var(--book-color-deep);
	border-color: var(--book-color-deep);
	color: var(--black);
}
.surface--dark .btn--line:hover {
	background: var(--white);
	color: var(--black);
	border-color: var(--white);
}
.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

/* Capa do livro */
.cover {
	--cover: var(--book-cover);
	aspect-ratio: 986 / 1233;
	background: var(--white) var(--cover) 49.5% 50.3% / calc(1400 / 986 * 100%) auto no-repeat;
	box-shadow: 0 1.25rem 2.5rem var(--black-a55);
}
.cover-stack {
	display: grid;
}
.cover-stack > * {
	grid-area: 1 / 1;
	width: 100%;
	translate: calc(var(--i, 0) * 0.5rem) calc(var(--i, 0) * -0.5rem);
	box-shadow: -0.1875rem 0.1875rem 0 var(--grey-200), 0 0.5rem 1rem var(--black-a55);
}
.cover-stack > :nth-child(2) { --i: 1; }
.cover-stack > :nth-child(3) { --i: 2; }
.cover-stack > :nth-child(4) { --i: 3; }
.cover-stack > :nth-child(5) { --i: 4; }

/* Apresentação do livro (campo da cor do livro) */
.book-intro {
	display: grid;
	gap: 1.25rem;
	grid-template-areas:
		"lead"
		"cover"
		"verse"
		"text"
		"actions";
	padding: 1.25rem var(--gutter) 3.5rem;
}
.book-intro__lead {
	grid-area: lead;
	font: 500 clamp(1.5rem, 2.4vw + 0.6rem, 2.75rem) / 1.08 var(--font-text);
	max-width: 22ch;
	text-wrap: balance;
}
.book-intro .cover {
	grid-area: cover;
	width: min(62%, 17rem);
	margin-block: 0.5rem 0.75rem;
}
.verse {
	grid-area: verse;
	font: 500 clamp(1.25rem, 1.2vw + 0.9rem, 1.875rem) / 1.15 var(--font-display);
	letter-spacing: 0.04em;
	text-transform: uppercase;
	max-width: 30ch;
}
.verse__ref {
	display: block;
	margin-top: 0.75rem;
	font: 500 0.8125rem/1.2 var(--font-text);
	letter-spacing: 0.1em;
}
.book-intro__text {
	grid-area: text;
	max-width: 56ch;
}
.book-intro .actions {
	grid-area: actions;
	margin-top: 0.5rem;
}
@media (min-width: 900px) {
	.book-intro {
		grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
		grid-template-areas:
			"lead cover"
			"verse cover"
			"text cover"
			"actions cover";
		column-gap: calc(var(--gutter) * 1.5);
		grid-template-rows: auto auto auto 1fr;
		align-items: start;
		padding-bottom: 5rem;
	}
	.book-intro__lead {
		max-width: 26ch;
	}
	.book-intro .cover {
		width: 100%;
		max-width: 26rem;
		justify-self: end;
		align-self: start;
		margin: 0 0 -12rem;
		position: relative;
		z-index: 3;
	}
	.book-intro .actions {
		align-self: end;
	}
}
.book-intro__text,
.book-intro__lead,
.verse {
	margin-top: 0;
}

/* Seções de texto sobre campo */
.section-lead {
	max-width: 52ch;
	font: 400 1.125rem/1.55 var(--font-text);
}
.surface--dark .section-lead {
	color: var(--fg-inverse-soft);
}

/* Capítulos / vídeos */
.chapters {
	display: grid;
	gap: 2rem 1.5rem;
	padding: 0;
	margin: 2.5rem 0 0;
	list-style: none;
}
.chapter {
	position: relative;
	display: grid;
	grid-template-columns: 7.5rem minmax(0, 1fr);
	gap: 0 1rem;
	align-items: start;
	text-decoration: none;
}
.chapter__caption {
	display: block;
}
.chapter__media {
	position: relative;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: var(--grey-900);
}
.chapter__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: scale 0.6s var(--ease);
}
.chapter:hover .chapter__media img {
	scale: 1.05;
}
.chapter__num {
	position: absolute;
	left: 0;
	top: 0;
	display: grid;
	place-items: center;
	width: 2.25rem;
	height: 2.25rem;
	background: var(--book-color);
	color: var(--black);
	font: 500 1.125rem/1 var(--font-display);
	letter-spacing: 0.04em;
}
.chapter__play {
	position: absolute;
	right: 0.5rem;
	bottom: 0.5rem;
	display: grid;
	place-items: center;
	width: 2.5rem;
	height: 2.5rem;
	border-radius: 50%;
	background: var(--white);
	color: var(--black);
}
.chapter__play svg {
	width: 1rem;
	height: 1rem;
	margin-left: 0.125rem;
}
.chapter__title {
	text-wrap: balance;
	font: 500 1.125rem/1.2 var(--font-text);
	margin-top: 0.125rem;
}
.chapter__text {
	color: var(--fg-inverse-soft);
	font-size: 0.9375rem;
	line-height: 1.4;
	margin-top: 0.375rem;
}
.chapter:hover .chapter__title {
	text-decoration: underline;
	text-underline-offset: 0.2em;
}
.chapter--wide {
	grid-template-columns: 1fr;
	grid-template-rows: 1fr;
	height: 100%;
}
.chapter--wide > * {
	grid-area: 1 / 1;
}
.chapter--wide .chapter__media {
	height: 100%;
	min-height: 15rem;
	aspect-ratio: auto;
}
.chapter--wide .chapter__media::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, var(--scrim), var(--scrim-clear) 70%);
}
.chapter--wide .chapter__num {
	width: 3rem;
	height: 3rem;
	font-size: 1.5rem;
	z-index: 1;
}
.chapter--wide .chapter__play {
	width: 3.5rem;
	height: 3.5rem;
	right: 1rem;
	top: 1rem;
	bottom: auto;
	z-index: 1;
}
.chapter--wide .chapter__caption {
	position: relative;
	z-index: 1;
	align-self: end;
	padding: 0 1.25rem 1.25rem;
	color: var(--on-photo);
}
.chapter--wide .chapter__title {
	font: 500 clamp(1.75rem, 2.4vw + 0.6rem, 3rem) / 1 var(--font-display);
	letter-spacing: 0.04em;
	text-transform: uppercase;
	margin: 0;
}
.chapter--wide .chapter__text {
	color: var(--on-photo);
}
@media (min-width: 720px) {
	.chapters {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
	.chapters__item--wide {
		grid-column: 1 / -1;
	}
	.chapter--wide .chapter__media {
		aspect-ratio: 21 / 8;
	}
	.chapter {
		grid-template-columns: 1fr;
		gap: 0;
	}
	.chapter__media {
		aspect-ratio: 16 / 10;
	}
	.chapter:not(.chapter--wide) .chapter__num {
		top: auto;
		bottom: -1.5rem;
		width: 3rem;
		height: 3rem;
		font-size: 1.5rem;
		z-index: 1;
	}
	.chapter:not(.chapter--wide) .chapter__title {
		margin-top: 2rem;
	}
}
@media (min-width: 1100px) {
	.chapters {
		grid-template-columns: repeat(4, minmax(0, 1fr));
		row-gap: 3rem;
	}
	.chapters__item--wide {
		grid-column: span 2;
	}
	.chapter--wide .chapter__media {
		aspect-ratio: auto;
	}
}

/* Ofertas */
.offers {
	display: grid;
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
}
.offer {
	display: grid;
	grid-template-columns: 5.5rem minmax(0, 1fr);
	grid-template-areas:
		"media body"
		"price price"
		"action action";
	gap: 1rem 1.25rem;
	align-items: center;
	padding: 1.5rem var(--gutter);
	margin-inline: calc(var(--gutter) * -1);
	border-top: 1px solid var(--line);
}
.offer--feature {
	background: var(--book-color);
	border-top: 0;
	padding-block: 2rem;
}
.offer__media {
	grid-area: media;
	padding-right: 0.5rem;
}
.offer__body {
	grid-area: body;
}
.offer__name {
	font: 500 1.5rem/1.1 var(--font-display);
	letter-spacing: 0.04em;
	text-transform: uppercase;
}
.offer__text {
	margin-top: 0.375rem;
	font-size: 0.9375rem;
	line-height: 1.4;
	color: var(--fg-soft);
}
.offer--feature .offer__text {
	color: var(--black);
}
.offer__price {
	grid-area: price;
	font: 500 1.875rem/1 var(--font-display);
	letter-spacing: 0.03em;
}
.offer__unit {
	display: block;
	margin-top: 0.375rem;
	font: 400 0.875rem/1.2 var(--font-text);
	letter-spacing: 0;
	color: var(--fg-soft);
}
.offer__action {
	grid-area: action;
}
.offer__action .btn {
	width: 100%;
}
@media (min-width: 900px) {
	.offer {
		grid-template-columns: 8rem minmax(0, 1fr) 11rem 16rem;
		grid-template-areas: "media body price action";
		gap: 1.5rem 2rem;
		padding-block: 1.75rem;
	}
	.offer--feature {
		grid-template-columns: 10rem minmax(0, 1fr) 11rem 16rem;
		padding-block: 2.5rem;
	}
	.offer__price {
		font-size: clamp(2rem, 2.2vw, 2.5rem);
		text-align: right;
	}
	.offer__name {
		font-size: 1.875rem;
	}
	.offer__text {
		max-width: 44ch;
	}
}

/* Faixas empilhadas (visão geral) */
.strip {
	display: flow-root;
}
.strip .surface__body {
	padding-top: 1.25rem;
}
.strip-intro {
	display: grid;
	gap: 1rem;
	padding: 1rem var(--gutter) 3rem;
}
.strip-intro__lead {
	text-wrap: balance;
	font: 500 clamp(1.5rem, 1.6vw + 0.9rem, 2.25rem) / 1.1 var(--font-text);
	max-width: 24ch;
}
.strip-intro__text {
	max-width: 52ch;
}
.strip-intro__price {
	font: 500 1.75rem/1 var(--font-display);
	letter-spacing: 0.03em;
}
.strip-intro .cover {
	width: min(54%, 14rem);
}
.strip-intro .actions {
	margin-top: 0.25rem;
}
@media (min-width: 900px) {
	.strip-intro {
		grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
		grid-template-areas:
			"lead cover"
			"text cover"
			"price cover"
			"actions cover";
		grid-template-rows: auto auto auto 1fr;
		column-gap: calc(var(--gutter) * 1.5);
		padding-bottom: 4.5rem;
		align-items: start;
	}
	.strip-intro__lead { grid-area: lead; }
	.strip-intro__text { grid-area: text; }
	.strip-intro__price { grid-area: price; }
	.strip-intro .actions { grid-area: actions; align-self: end; }
	.strip-intro .cover {
		grid-area: cover;
		width: 100%;
		max-width: 19rem;
		justify-self: end;
		align-self: end;
		margin-bottom: -7rem;
		position: relative;
		z-index: 3;
	}
}

/* Rodapé */
.site-footer {
	padding: 3.5rem var(--gutter) 2rem;
	border-top: 1px solid var(--line-inverse);
}
.site-footer__grid {
	display: grid;
	gap: 2.5rem;
}
.site-footer__logo {
	height: 5rem;
	width: auto;
}
.site-footer__tag {
	margin-top: 1rem;
	font: 500 1.25rem/1.2 var(--font-display);
	letter-spacing: 0.1em;
	text-transform: uppercase;
}
.site-footer__list {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.5rem;
	color: var(--fg-inverse-soft);
}
.site-footer__list a {
	display: inline-block;
	padding-block: 0.25rem;
}
.site-footer__head {
	margin-bottom: 0.75rem;
	font: 500 0.8125rem/1 var(--font-text);
	letter-spacing: 0.1em;
	text-transform: uppercase;
}
.site-footer__note {
	margin-top: 3rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--line-inverse);
	display: grid;
	gap: 0.75rem;
	font-size: 0.875rem;
	line-height: 1.45;
	color: var(--fg-inverse-soft);
}
@media (min-width: 900px) {
	.site-footer__grid {
		grid-template-columns: 1.4fr 1fr 1fr;
	}
}

/* Entrada da página */
@keyframes reveal {
	from {
		opacity: 0;
		translate: 0 1.25rem;
	}
}
@keyframes fade {
	from {
		opacity: 0;
	}
}
.band--book,
.band--enter {
	animation: fade 0.9s var(--ease) both;
}
.reveal {
	animation: reveal 0.9s var(--ease) both;
	animation-delay: calc(var(--step, 0) * 110ms + 150ms);
}
.reveal--1 { --step: 1; }
.reveal--2 { --step: 2; }
.reveal--3 { --step: 3; }
.reveal--4 { --step: 4; }
@media (prefers-reduced-motion: reduce) {
	.band--book,
	.band--enter,
	.reveal {
		animation: none;
	}
	html {
		scroll-behavior: auto;
	}
	.chapter__media img {
		transition: none;
	}
}

.band--strip {
	--band-h: clamp(240px, 40svh, 460px);
}
.strip .surface {
	margin-top: 0;
}