:root {
	--ink: #16181d;
	--paper: #f7f5f1;
	--surface: #ffffff;
	--hairline: #e6e2da;
	--pine: #2e4a3b;
	--pine-soft: #eef2ee;
	--slate: #6b6f76;

	--font-display: "Fraunces", Georgia, serif;
	--font-sans: "Schibsted Grotesk", "Segoe UI", system-ui, sans-serif;
	--font-quote: "Instrument Serif", Georgia, serif;

	--measure: 76rem;
	--gut: clamp(1.25rem, 4.5vw, 4rem);

	--h1: clamp(2.6rem, 6.5vw, 4.6rem);
	--h2: clamp(1.7rem, 3.2vw, 2.4rem);
	--h3: clamp(1.2rem, 1.9vw, 1.45rem);
	--body: 1rem;
	--small: 0.85rem;
	--eyebrow: 0.72rem;
}

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

html {
	scroll-behavior: smooth;
}

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

body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--font-sans);
	font-size: var(--body);
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
	font-family: var(--font-display);
	font-weight: 600;
	line-height: 1.08;
	margin: 0;
	letter-spacing: -0.01em;
}

h1 { font-size: var(--h1); font-weight: 600; }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

p { margin: 0; }
p + p { margin-top: 1.05em; }

a {
	color: var(--pine);
	text-decoration-thickness: 1px;
	text-underline-offset: 3px;
}

:focus-visible {
	outline: 2px solid var(--pine);
	outline-offset: 2px;
}

::selection {
	background: var(--pine);
	color: var(--surface);
}

.container {
	max-width: var(--measure);
	margin-inline: auto;
	padding-inline: var(--gut);
}

.section {
	padding-block: clamp(4.5rem, 10vw, 7.5rem);
}

.section.tint {
	background: var(--pine-soft);
}

/* --- eyebrows & headers --- */

.eyebrow {
	font-size: var(--eyebrow);
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--pine);
	margin: 0 0 1.2rem;
}

.sec-head {
	display: flex;
	align-items: baseline;
	gap: 1rem;
	margin-bottom: clamp(2rem, 4vw, 3rem);
}

.sec-index {
	font-family: var(--font-display);
	font-style: italic;
	font-size: 1.05rem;
	color: var(--pine);
	flex: none;
}

/* --- hero (assimétrico 7/5) --- */

.hero {
	padding-block: clamp(5rem, 12vw, 8.5rem) clamp(3.5rem, 7vw, 5rem);
}

.hero-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
}

@media (min-width: 900px) {
	.hero-grid {
		grid-template-columns: 7fr 5fr;
		gap: 4rem;
		align-items: start;
	}
}

.hero-title {
	max-width: 16ch;
}

.hero-title em {
	font-style: italic;
	font-weight: 500;
	color: var(--pine);
}

.hero-side {
	display: flex;
	flex-direction: column;
	gap: 1.4rem;
}

.hero-side p {
	color: var(--slate);
	max-width: 40ch;
}

.hero-line {
	width: 3rem;
	height: 2px;
	background: var(--pine);
}

.cta-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.8rem;
	align-items: center;
	margin-top: 2.2rem;
}

.cta-row .link-later {
	font-size: 0.92rem;
	color: var(--slate);
	text-underline-offset: 4px;
	margin-left: 0.5rem;
}

.cta-row .link-later:hover {
	color: var(--pine);
}

/* --- buttons --- */

.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.6em;
	font-family: var(--font-sans);
	font-size: 0.92rem;
	font-weight: 500;
	text-decoration: none;
	padding: 0.85em 1.6em;
	border-radius: 999px;
	border: 1px solid transparent;
	transition: background 0.16s, color 0.16s, border-color 0.16s, transform 0.16s;
}

.btn-pine {
	background: var(--pine);
	color: var(--surface);
}

.btn-pine:hover {
	background: var(--ink);
	color: var(--surface);
	transform: translateY(-2px);
}

.btn-ghost {
	color: var(--ink);
	border-color: var(--hairline);
	background: transparent;
}

.btn-ghost:hover {
	border-color: var(--ink);
	transform: translateY(-2px);
}

/* --- cards (sem borda, radius, elevação) --- */

.cards {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.1rem;
}

@media (min-width: 720px) {
	.cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
	.cards.cols-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
	background: var(--surface);
	border-radius: 12px;
	padding: 2rem;
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
	box-shadow: 0 1px 2px rgba(22, 24, 29, 0.04);
	transition: box-shadow 0.18s, transform 0.18s;
}

.card:hover {
	box-shadow: 0 14px 30px -12px rgba(22, 24, 29, 0.18);
	transform: translateY(-3px);
}

.card .card-eyebrow {
	font-size: var(--eyebrow);
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--slate);
}

.card p {
	color: var(--slate);
	font-size: 0.96rem;
}

.card-link {
	margin-top: 0.5rem;
	font-size: 0.9rem;
	font-weight: 500;
	display: inline-flex;
	align-items: center;
	gap: 0.4em;
	color: var(--pine);
	text-decoration: none;
}

.card-link .arrow {
	transition: transform 0.16s;
}

.card:hover .card-link .arrow {
	transform: translate(3px, -3px);
}

/* --- index list --- */

.index-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.index-list li {
	border-top: 1px solid var(--hairline);
}

.index-list li:last-child {
	border-bottom: 1px solid var(--hairline);
}

.index-list a {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 1.5rem;
	padding: 1.4rem 0.2rem;
	text-decoration: none;
	color: var(--ink);
}

.index-name {
	font-family: var(--font-display);
	font-size: clamp(1.35rem, 2.6vw, 1.75rem);
	font-weight: 500;
	line-height: 1.2;
}

.index-tag {
	flex: none;
	color: var(--slate);
	font-size: var(--small);
}

.index-list a:hover .index-name {
	color: var(--pine);
}

.index-list.dois {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.4rem 2rem;
}

@media (min-width: 720px) {
	.index-list.dois {
		grid-template-columns: 1fr 1fr;
	}
}

.index-list.dois li {
	padding: 1.1rem 0.2rem;
}

.index-list.dois .index-name {
	display: block;
	font-size: 1.2rem;
}

.mini-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.mini-list li {
	position: relative;
	padding-left: 1rem;
	color: var(--slate);
	font-size: 0.92rem;
	line-height: 1.45;
}

.mini-list li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.5em;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--pine);
}

.card .mini-list {
	margin-bottom: 0.4rem;
}

.refs-wrap {
	margin-top: 1rem;
}

.refs-wrap2 {
	margin-top: 1.4rem;
}

.proposal {
	list-style: none;
	margin: 1.8rem 0 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.8rem;
}

@media (min-width: 640px) {
	.proposal {
		grid-template-columns: repeat(2, 1fr);
	}
}

.proposal > li {
	display: flex;
	gap: 0.9rem;
	align-items: flex-start;
	background: var(--surface);
	border-radius: 12px;
	border: 1px solid var(--hairline);
	padding: 1.1rem 1.2rem;
}

.proposal-num {
	font-family: var(--font-display);
	font-style: italic;
	color: var(--pine);
	flex: none;
	font-size: 1.05rem;
}

.proposal p {
	margin: 0;
	font-size: 0.93rem;
	color: var(--ink);
}

.split-list {
	list-style: none;
	margin: 1rem 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.split-list li {
	font-family: var(--font-display);
	font-size: 1.1rem;
	color: var(--ink);
}

@media (min-width: 640px) {
	.split-list {
		display: grid;
		grid-template-columns: repeat(2, 1fr);
	}
}

/* --- lede / quote --- */

.lede {
	font-family: var(--font-quote);
	font-size: clamp(1.4rem, 2.8vw, 2rem);
	line-height: 1.35;
	color: var(--ink);
}

.pullquote {
	font-family: var(--font-quote);
	font-style: italic;
	font-size: clamp(1.5rem, 3vw, 2.2rem);
	line-height: 1.3;
	max-width: 30ch;
}

.narrow {
	max-width: 62ch;
}

.prose {
	max-width: 66ch;
}

.prose > * + * {
	margin-top: 1.2rem;
}

.axis-note {
	color: var(--slate);
	font-size: var(--small);
}

.pairs {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.2rem;
}

@media (min-width: 760px) {
	.pairs.repeat {
		grid-template-columns: repeat(2, 1fr);
	}
}

.pair {
	background: var(--surface);
	border-radius: 12px;
	padding: 1.6rem;
	box-shadow: 0 1px 2px rgba(22, 24, 29, 0.04);
}

.pair h3 {
	font-size: 1.06rem;
	margin-bottom: 0.5rem;
}

.pair p {
	color: var(--slate);
	font-size: 0.92rem;
}

.pair .refs {
	margin-top: 1rem;
}

/* --- reveal --- */

.reveal {
	opacity: 0;
	transform: translateY(10px);
	transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-in {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	.reveal {
		opacity: 1;
		transform: none;
	}
}