:root {
	--red: #ED0000;
	--sans: "Geist", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
	--mono: "Geist Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* Tons: cada painel escolhe o seu; o conteúdo só lê as variáveis */

.tone-dark {
	--surface: #0F0F10;
	--heading: #FFFFFF;
	--text: #ECECEC;
	--body: #C9C9CC;
	--muted: #9A9A9E;
	--line: #2A2A2E;
	--cell: transparent;
	--cell-hover: #161618;
}

.tone-soft {
	--surface: #F4F3F0;
	--heading: #141414;
	--text: #1A1A1A;
	--body: #4A4A4C;
	--muted: #75757A;
	--line: #E2DFDA;
	--cell: #FFFFFF;
	--cell-hover: #FFFFFF;
}

.tone-white {
	--surface: #FFFFFF;
	--heading: #141414;
	--text: #1A1A1A;
	--body: #4A4A4C;
	--muted: #75757A;
	--line: #E8E6E2;
	--cell: transparent;
	--cell-hover: #F7F6F3;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--sans);
	background: var(--surface);
	color: var(--text);
	line-height: 1.6;
	overflow-x: hidden;
}

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

a {
	color: inherit;
}

.wrap {
	width: 100%;
	max-width: 1120px;
	margin: 0 auto;
	padding: 0 16px;
}

.mono {
	font-family: var(--mono);
	font-size: 13px;
	color: var(--muted);
}

.mono b {
	color: var(--red);
	font-weight: 500;
}

.nowrap {
	white-space: nowrap;
}

h1,
h2,
h3 {
	margin: 0;
	color: var(--heading);
	letter-spacing: -0.03em;
	line-height: 1.08;
	font-weight: 600;
}

/* Topo */

.hero {
	position: relative;
	min-height: 100vh;
	min-height: 100svh;
	display: flex;
	flex-direction: column;
	background:
		linear-gradient(180deg, rgba(15, 15, 16, 0.72) 0%, rgba(15, 15, 16, 0.86) 60%, #0F0F10 100%),
		url("../images/codigo.jpg") center / cover no-repeat;
}

.bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 76px;
}

.bar img {
	height: 34px;
	width: auto;
}

.bar nav {
	display: flex;
	align-items: center;
	gap: 24px;
	font-family: var(--mono);
	font-size: 13px;
}

.bar nav a {
	text-decoration: none;
	color: var(--body);
}

.bar nav a:hover {
	color: var(--heading);
}

.bar nav a.link {
	color: var(--text);
	border: 1px solid var(--line);
	padding: 8px 14px;
	border-radius: 6px;
	transition: border-color 160ms;
}

.bar nav a.link:hover {
	border-color: var(--red);
}

.hero-body {
	flex: 1;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding-top: 48px;
	padding-bottom: 96px;
}

.hero h1 {
	font-size: clamp(42px, 7.2vw, 88px);
	margin: 20px 0 24px;
	max-width: 13ch;
}

.hero h1 em {
	font-style: normal;
	color: var(--red);
}

.hero p {
	font-size: clamp(17px, 1.9vw, 20px);
	color: var(--body);
	max-width: 34em;
	margin: 0 0 36px;
}

.actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 14px 24px;
	border-radius: 6px;
	font-weight: 600;
	text-decoration: none;
	border: 1px solid transparent;
	transition: filter 160ms, border-color 160ms;
}

.btn svg {
	width: 18px;
	height: 18px;
}

.btn-red {
	background: var(--red);
	color: #FFFFFF;
}

.btn-red:hover {
	filter: brightness(1.08);
}

.btn-line {
	border-color: var(--line);
	color: var(--text);
	background: rgba(15, 15, 16, 0.4);
}

.btn-line:hover {
	border-color: var(--body);
}

/* Painéis */

section {
	padding: 104px 0;
	background: var(--surface);
	color: var(--text);
}

.tone-dark + .tone-dark,
.tone-white + .tone-white,
.tone-soft + .tone-soft {
	border-top: 1px solid var(--line);
}

.sec-title {
	display: grid;
	grid-template-columns: 220px 1fr;
	gap: 32px;
	margin-bottom: 48px;
}

.sec-title h2 {
	font-size: clamp(28px, 3.8vw, 42px);
	max-width: 18em;
}

.sec-title p {
	margin: 18px 0 0;
	color: var(--body);
	max-width: 38em;
}

.list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	border-top: 1px solid var(--line);
	border-left: 1px solid var(--line);
}

.list div {
	padding: 28px 24px 32px;
	background: var(--cell);
	border-right: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
	transition: background 160ms;
}

.list div:hover {
	background: var(--cell-hover);
}

.list h3 {
	font-size: 20px;
	margin: 12px 0 10px;
	letter-spacing: -0.015em;
}

.list p {
	margin: 0;
	font-size: 15px;
	color: var(--muted);
}

/* Painel em duas colunas: título à esquerda, conteúdo à direita */

.split {
	display: grid;
	grid-template-columns: 1fr 1.25fr;
	gap: 64px;
	align-items: center;
}

.split-intro h2 {
	font-size: clamp(28px, 3.6vw, 42px);
	margin: 16px 0 20px;
}

.split-intro p {
	margin: 0 0 28px;
	color: var(--body);
	font-size: 17px;
	max-width: 28em;
}

.split-intro p:last-child {
	margin-bottom: 0;
}

.step {
	display: grid;
	grid-template-columns: 76px 1fr;
	gap: 20px;
	padding: 24px 0;
	border-top: 1px solid var(--line);
}

.step:last-child {
	border-bottom: 1px solid var(--line);
}

.step .nbr {
	font-family: var(--mono);
	font-size: 40px;
	line-height: 1;
	color: var(--red);
}

.step h3 {
	font-size: 21px;
	margin: 2px 0 8px;
}

.step p {
	margin: 0;
	color: var(--body);
	font-size: 15px;
}

/* Sobre nós: foto na altura toda do painel, fundindo no fundo do texto */

.about-panel {
	position: relative;
	overflow: hidden;
}

.about-photo {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: 52%;
	margin: 0;
	-webkit-mask-image: linear-gradient(to right, #000 32%, rgba(0, 0, 0, 0.88) 44%, rgba(0, 0, 0, 0.62) 58%, rgba(0, 0, 0, 0.34) 72%, rgba(0, 0, 0, 0.12) 84%, rgba(0, 0, 0, 0.03) 92%, transparent 98%);
	mask-image: linear-gradient(to right, #000 32%, rgba(0, 0, 0, 0.88) 44%, rgba(0, 0, 0, 0.62) 58%, rgba(0, 0, 0, 0.34) 72%, rgba(0, 0, 0, 0.12) 84%, rgba(0, 0, 0, 0.03) 92%, transparent 98%);
}

.about-photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: 40% 50%;
}

.about-photo figcaption {
	position: absolute;
	left: 28px;
	bottom: 24px;
	color: rgba(255, 255, 255, 0.85);
	text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.about-body {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 56px;
}

.about-text {
	grid-column: 2;
	position: relative;
	padding-left: 48px;
}

.about-text h2 {
	font-size: clamp(28px, 3.6vw, 40px);
	margin: 16px 0 24px;
}

.about-text p {
	font-size: 17px;
	color: var(--body);
	margin: 0 0 16px;
}

.facts {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
	margin: 32px 0 28px;
	padding: 24px 0;
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.facts strong {
	display: block;
	color: var(--heading);
	font-size: 19px;
	font-weight: 600;
	letter-spacing: -0.01em;
	line-height: 1.3;
}

.facts span {
	font-family: var(--mono);
	font-size: 12px;
	color: var(--muted);
}

.stack {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.stack span {
	font-family: var(--mono);
	font-size: 13px;
	padding: 6px 12px;
	border: 1px solid var(--line);
	border-radius: 6px;
	background: var(--cell);
	color: var(--text);
}

/* Contato */

.contact .split-intro h2 {
	font-size: clamp(32px, 4.4vw, 52px);
}

.contact-card {
	background: #F4F3F0;
	border-radius: 16px;
	padding: 8px 32px;
}

.contact-card > div {
	padding: 22px 0;
	border-bottom: 1px solid var(--line);
}

.contact-card > div:last-child {
	border-bottom: none;
}

.contact-card .mono {
	display: block;
	margin-bottom: 6px;
}

.contact-card p {
	margin: 0;
	font-size: 16px;
	color: var(--text);
}

.mail {
	font-size: clamp(20px, 2.4vw, 26px);
	font-weight: 600;
	color: var(--heading);
	text-decoration: none;
	border-bottom: 2px solid var(--red);
	padding-bottom: 2px;
	word-break: break-all;
	letter-spacing: -0.02em;
}

.mail:hover {
	color: var(--red);
}

footer {
	background: var(--surface);
	padding: 28px 0 36px;
}

footer .wrap {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
}

/* Arranjo "painéis": os painéis claros flutuam sobre o fundo escuro */

.panels main {
	padding: 8px 0;
}

.panels main section {
	width: calc(100% - 32px);
	max-width: 1280px;
	margin: 16px auto;
	border-radius: 24px;
	border-top: none;
}

@media (max-width: 900px) {
	.sec-title {
		grid-template-columns: 1fr;
		gap: 12px;
	}
	.about-panel {
		padding-top: 0;
	}
	.about-panel .about-photo {
		position: relative;
		width: 100%;
		height: 300px;
		margin: 0 0 24px;
		-webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
		mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
	}
	.about-panel .about-photo figcaption {
		top: 16px;
		bottom: auto;
		left: 16px;
	}
	.about-body {
		grid-template-columns: 1fr;
	}
	.about-text {
		grid-column: 1;
		padding-left: 0;
	}
	.list {
		grid-template-columns: 1fr;
	}
	.split {
		grid-template-columns: 1fr;
		gap: 40px;
	}
}

@media (max-width: 640px) {
	.bar nav a:not(.link) {
		display: none;
	}
	.bar img {
		height: 28px;
	}
	section {
		padding: 64px 0;
	}
	.panels main section {
		width: calc(100% - 16px);
		margin: 8px auto;
		border-radius: 16px;
	}
	.facts {
		grid-template-columns: 1fr;
	}
	.step {
		grid-template-columns: 52px 1fr;
		gap: 14px;
	}
	.step .nbr {
		font-size: 30px;
	}
	.contact-card {
		padding: 4px 20px;
	}
}

/* Marca d'água: o símbolo do logo como textura, quase transparente */

.tone-dark {
	--wm-color: rgba(255, 255, 255, 0.03);
}

.tone-soft {
	--wm-color: rgba(20, 20, 20, 0.03);
}

.tone-white {
	--wm-color: rgba(20, 20, 20, 0.025);
}

.wm {
	position: relative;
	overflow: hidden;
}

.wm::before {
	content: "";
	position: absolute;
	aspect-ratio: 446 / 271;
	background: var(--wm-color);
	-webkit-mask: url("../images/marca.svg") no-repeat center / contain;
	mask: url("../images/marca.svg") no-repeat center / contain;
	pointer-events: none;
}

.wm > * {
	position: relative;
}

.wm-hero::before {
	width: min(760px, 58vw);
	right: -3%;
	bottom: -16%;
}

.wm-a::before {
	width: 640px;
	right: -150px;
	top: -160px;
}

.wm-b::before {
	width: 620px;
	left: -170px;
	top: 50%;
	transform: translateY(-50%);
}

.wm-foot::before {
	width: 260px;
	right: -40px;
	top: -60px;
}

@media (max-width: 640px) {
	.wm-hero::before {
		width: 130vw;
		right: -45vw;
		bottom: -6%;
	}
	.wm-a::before {
		width: 360px;
		right: -140px;
		top: -100px;
	}
	.wm-b::before {
		width: 380px;
		left: -150px;
		top: 30%;
	}
}

/* Logos de parceiros e tecnologias: monocromáticos, na cor do texto de cada painel */

.partners ul,
.pt-grid {
	list-style: none;
	margin: 0;
	padding: 0;
}

.pt {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
}

.pt-logo {
	display: flex;
	align-items: center;
	gap: 8px;
	height: 28px;
	font-weight: 600;
	font-size: 21px;
	letter-spacing: -0.02em;
	line-height: 1;
}

.pt-mark {
	display: block;
	height: 100%;
	background: currentColor;
	-webkit-mask-position: center;
	mask-position: center;
	-webkit-mask-size: contain;
	mask-size: contain;
	-webkit-mask-repeat: no-repeat;
	mask-repeat: no-repeat;
}

.pt-aws {
	aspect-ratio: 1.66;
	-webkit-mask-image: url("../images/logos/aws.svg");
	mask-image: url("../images/logos/aws.svg");
}

.pt-stripe {
	aspect-ratio: 2.42;
	height: 80%;
	-webkit-mask-image: url("../images/logos/stripe.svg");
	mask-image: url("../images/logos/stripe.svg");
}

.pt-pagarme {
	aspect-ratio: 2.8;
	-webkit-mask-image: url("../images/logos/pagarme.svg");
	mask-image: url("../images/logos/pagarme.svg");
}

.pt-claude {
	aspect-ratio: 1;
	height: 82%;
	-webkit-mask-image: url("../images/logos/claude.svg");
	mask-image: url("../images/logos/claude.svg");
}

.pt-openai {
	aspect-ratio: 1;
	height: 86%;
	-webkit-mask-image: url("../images/logos/openai.png");
	mask-image: url("../images/logos/openai.png");
}

.pt-cap {
	font-family: var(--mono);
	font-size: 11px;
	color: var(--muted);
}

/* Painel de parceiros e tecnologias */

.pt-grid {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	border-top: 1px solid var(--line);
	border-left: 1px solid var(--line);
	color: #2A2A2C;
}

.pt-grid .pt {
	justify-content: center;
	gap: 14px;
	padding: 36px 16px 28px;
	border-right: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.pt-grid .pt-logo {
	height: 34px;
	font-size: 24px;
}

/* Linha de logos no rodapé */

.partners-foot {
	padding-top: 8px;
	padding-bottom: 24px;
	margin-bottom: 24px;
	background: linear-gradient(var(--line), var(--line)) 16px 100% / calc(100% - 32px) 1px no-repeat;
}

.partners-foot ul {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 16px 36px;
	color: rgba(255, 255, 255, 0.45);
}

.partners-foot .pt-logo {
	height: 20px;
	font-size: 15px;
}

.partners-foot .pt-cap {
	display: none;
}

@media (max-width: 900px) {
	.pt-grid {
		grid-template-columns: repeat(2, 1fr);
	}
	.pt-grid .pt:last-child:nth-child(odd) {
		grid-column: 1 / -1;
	}
}