/* ═══════════════════════════════════════════════════════════════════════
   rbdev v2: design system (tokens, base, glass, componentes da home)
   Escuro + verde. Cada página de projeto troca só --accent / --accent-2.
   Documentação: docs/DESIGN.md
   ═══════════════════════════════════════════════════════════════════════ */

@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }

/* ───────── Base ───────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	min-height: 100dvh;
	background: var(--bg);
	color: var(--ink);
	font: 400 1rem/1.65 var(--font);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}
h1, h2, h3 { margin: 0; font-weight: 800; line-height: 1.08; letter-spacing: -.025em; text-wrap: balance; }
h2 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3rem); }
p { margin: 0 0 1rem; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; }
code { font-family: var(--mono); font-size: .9em; background: rgb(255 255 255 / .07); padding: .1em .45em; border-radius: 6px; }
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

.wrap { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }
.i { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 300; padding: .6rem 1rem; border-radius: 10px; background: var(--accent); color: #04130b; font-weight: 700; }
.skip:focus { top: 1rem; }

/* Transição suave entre páginas (Chrome/Edge/Safari novos; nos demais é navegação normal) */
@view-transition { navigation: auto; }
::view-transition-group(*) { animation-duration: .5s; animation-timing-function: var(--ease); }

/* ───────── Revelar ao rolar (só com JS; sem JS tudo aparece) ───────── */
.js [data-reveal]:not(.in) { opacity: 0; }
[data-reveal].in { animation: rise .9s var(--ease) backwards; animation-delay: calc(var(--i, 0) * 80ms); }
@keyframes rise { from { opacity: 0; transform: translateY(22px) scale(.985); } }

/* ───────── Botões, chips e tags ───────── */
.btn {
	position: relative; isolation: isolate;
	display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
	padding: .85rem 1.3rem; border-radius: 999px; border: 1px solid transparent;
	font: 600 .95rem/1 var(--font); cursor: pointer; white-space: nowrap;
	transition: transform .3s var(--ease), background .3s, border-color .3s, box-shadow .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: .55rem .95rem; font-size: .85rem; }
.btn--primary {
	color: #06100a;
	background: linear-gradient(135deg, var(--accent), var(--accent-2));
	box-shadow: 0 12px 32px -12px color-mix(in srgb, var(--accent) 80%, transparent);
}
.btn--ghost { color: var(--ink); background: rgb(255 255 255 / .04); border-color: var(--line); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.btn--ghost:hover { border-color: color-mix(in srgb, var(--accent) 55%, transparent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
/* Borda de luz girando no botão principal */
.btn--glow::before {
	content: ''; position: absolute; inset: -3px; z-index: -1; border-radius: inherit; opacity: .75; filter: blur(7px);
	background: conic-gradient(from var(--angle), transparent 0 62%, var(--accent-2), var(--accent), transparent);
	animation: spin 4s linear infinite;
}
@keyframes spin { to { --angle: 360deg; } }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li {
	padding: .25rem .6rem; border-radius: 8px; font: 500 .74rem/1.4 var(--mono);
	color: color-mix(in srgb, var(--accent) 65%, #fff);
	background: color-mix(in srgb, var(--accent) 10%, transparent);
	border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}
.chip { padding: .28rem .7rem; border-radius: 999px; font: 500 .72rem/1.3 var(--mono); color: var(--ink-2); background: rgb(255 255 255 / .04); border: 1px solid var(--line); }

.eyebrow {
	display: inline-flex; align-items: center; gap: .6rem; margin: 0 0 1.25rem; padding: .45rem .85rem;
	border: 1px solid var(--line); border-radius: 999px; background: rgb(255 255 255 / .04);
	font: 500 .8rem/1 var(--mono); letter-spacing: .02em; color: var(--ink-2);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); } 70%, 100% { box-shadow: 0 0 0 10px transparent; } }
.grad {
	background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--accent));
	background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent;
	animation: shimmer 7s linear infinite;
}
@keyframes shimmer { to { background-position: -200% center; } }

/* ───────── Navegação ───────── */
.nav {
	position: sticky; top: 14px; z-index: 50; margin: 14px auto 0; width: min(1120px, calc(100% - 2rem));
	display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
	padding: .5rem .55rem .5rem 1.1rem; border-radius: 999px;
}
.brand { display: inline-flex; align-items: center; gap: .55rem; font-size: 1.3rem; font-weight: 800; letter-spacing: -.03em; }
.brand b { color: var(--accent); }
.brand__mark { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; transition: transform .5s var(--ease); }
.brand:hover .brand__mark { transform: rotate(-8deg) scale(1.12); }
.nav__links { display: flex; align-items: center; gap: .2rem; }
.nav__links a:not(.btn) { padding: .5rem .95rem; border-radius: 999px; color: var(--ink-2); font-weight: 500; font-size: .92rem; transition: color .25s, background .25s; }
.nav__links a:not(.btn):hover { color: var(--ink); background: rgb(255 255 255 / .06); }
.nav__links .btn { margin-left: .4rem; }
.nav__toggle { display: none; place-items: center; width: 42px; height: 42px; color: var(--ink); background: none; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }

/* Projeto desativado: aviso na página e selo âmbar no card */
.notice { display: flex; align-items: flex-start; gap: .7rem; margin: 0 0 1.5rem; padding: .9rem 1.1rem; max-width: 52ch; border-radius: 16px; font-size: .95rem; color: var(--ink); background: color-mix(in srgb, #f59e0b 12%, transparent); border: 1px solid color-mix(in srgb, #f59e0b 38%, transparent); }
.notice .i { margin-top: .2rem; color: #fbbf24; }
.btn--disabled { opacity: .7; cursor: not-allowed; pointer-events: none; }
.chip--off { color: #fbbf24; background: color-mix(in srgb, #f59e0b 10%, transparent); border-color: color-mix(in srgb, #f59e0b 45%, transparent); }

/* ───────── Seções ───────── */
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.section__head { max-width: 62ch; margin-bottom: 2.5rem; }
.kicker { margin: 0 0 .8rem; font: 500 .8rem/1 var(--mono); text-transform: uppercase; letter-spacing: .16em; color: var(--accent); }
.section__lead { margin: .9rem 0 0; color: var(--ink-2); font-size: 1.1rem; }

/* ───────── Hero ───────── */
.hero { display: grid; gap: 3.5rem; align-items: center; padding-block: clamp(3rem, 8vw, 6.5rem) clamp(2.5rem, 6vw, 4.5rem); }
.hero__title { font-size: clamp(2.5rem, 1.1rem + 5.6vw, 5.2rem); line-height: 1.02; letter-spacing: -.04em; }
.hero__lead { max-width: 56ch; margin: 1.5rem 0 2rem; color: var(--ink-2); font-size: clamp(1.05rem, .95rem + .5vw, 1.3rem); }
.hero__lead strong { color: var(--ink); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.stats { display: flex; flex-wrap: wrap; gap: 2.5rem; margin: 2.75rem 0 0; }
.stats div { display: flex; flex-direction: column-reverse; }
.stats dt { color: var(--ink-3); font: 500 .75rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .14em; }
.stats dd { margin: 0; font-size: 2.2rem; font-weight: 800; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }

.hero__art { position: relative; perspective: 1100px; }
.term { overflow: hidden; transition: transform .25s ease-out; will-change: transform; }
.term__bar { display: flex; align-items: center; gap: .45rem; padding: .85rem 1rem; border-bottom: 1px solid var(--line); font: 500 .78rem/1 var(--mono); color: var(--ink-3); }
.term__bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.term__bar i:nth-child(2) { background: #febc2e; }
.term__bar i:nth-child(3) { background: #28c840; }
.term__bar span { margin-left: .6rem; }
.term__code { padding: 1.5rem 1.4rem 1.9rem; font: 400 clamp(.74rem, .62rem + .45vw, .95rem)/1.95 var(--mono); min-height: 15.5em; }
.tl { display: block; width: 0; overflow: hidden; white-space: pre; animation: type calc(var(--n) * 38ms) steps(var(--n)) var(--d) forwards; }
/* 99.9%: o último degrau não pode depender de arredondamento de ponto flutuante no fim da animação */
@keyframes type { 99.9%, 100% { width: calc(var(--n) * 1ch); } }
.k { color: var(--accent-2); } .s { color: var(--accent); } .c { color: var(--ink-3); }
.caret { display: inline-block; width: .6ch; height: 1.1em; margin-left: .2ch; vertical-align: -.2em; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.float { position: absolute; display: inline-flex; align-items: center; gap: .5rem; padding: .6rem .95rem; border-radius: 999px; font: 500 .85rem/1 var(--mono); animation: float 7s ease-in-out infinite; }
.float .i { color: var(--accent); }
.float--a { top: -1.2rem; right: 8%; }
.float--b { bottom: 18%; left: -1.6rem; animation-delay: -2.5s; }
.float--c { bottom: -1.2rem; right: 14%; animation-delay: -4.5s; }
@keyframes float { 50% { transform: translateY(-12px); } }

/* Faixa de tecnologias */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: rgb(255 255 255 / .02); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee__track { display: flex; width: max-content; padding-block: 1.05rem; animation: marquee 45s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span { display: inline-flex; align-items: center; gap: 2.4rem; padding-right: 2.4rem; font: 500 .95rem/1 var(--mono); color: var(--ink-3); white-space: nowrap; }
.marquee__track span::after { content: '✦'; color: var(--accent); opacity: .7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ───────── Filtros e grade de projetos ───────── */
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

/* Busca + filtros: uma linha no desktop, empilhados no celular. Só existem com JS. */
.tools { display: none; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 1.5rem; }
.js .tools { display: flex; }
.search { position: relative; flex: 1 1 18rem; max-width: 26rem; }
.search > .i { position: absolute; left: 1rem; top: 50%; width: 18px; height: 18px; margin-top: -9px; color: var(--ink-3); pointer-events: none; transition: color .25s; }
.search:focus-within > .i { color: var(--accent); }
.search input {
	width: 100%; padding: .75rem 2.8rem .75rem 2.8rem; border-radius: 999px; border: 1px solid var(--line); background: rgb(255 255 255 / .04);
	color: var(--ink); font: 500 .95rem/1.2 var(--font); -webkit-appearance: none; appearance: none;
	transition: border-color .25s, background .25s, box-shadow .25s;
}
.search input::placeholder { color: var(--ink-3); }
.search input:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.search input:focus-visible { outline: 0; border-color: var(--accent); background: rgb(255 255 255 / .06); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.search input::-webkit-search-cancel-button, .search input::-webkit-search-decoration { -webkit-appearance: none; appearance: none; }
.search__clear { position: absolute; right: .5rem; top: 50%; display: grid; place-items: center; width: 2rem; height: 2rem; margin-top: -1rem; border: 0; border-radius: 50%; background: transparent; color: var(--ink-3); cursor: pointer; transition: color .25s, background .25s; }
.search__clear[hidden] { display: none; }
.search__clear:hover { color: var(--ink); background: rgb(255 255 255 / .08); }
.search__clear .i { width: 16px; height: 16px; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.result { min-height: 1.4em; margin: 1rem 0 1.2rem; font: 500 .8rem/1.4 var(--mono); color: var(--ink-3); }
.empty { display: grid; justify-items: center; gap: .6rem; padding: clamp(2rem, 6vw, 3.5rem) 1.5rem; text-align: center; }
.empty[hidden] { display: none; }
.empty__icon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: .4rem; border-radius: 18px; color: var(--accent); background: color-mix(in srgb, var(--accent) 13%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.empty__icon .i { width: 26px; height: 26px; }
.empty h3 { font-size: 1.25rem; }
.empty p { max-width: 42ch; margin: 0 0 .6rem; color: var(--ink-2); }
.empty strong { color: var(--ink); overflow-wrap: anywhere; }
.filter { padding: .55rem 1.05rem; border-radius: 999px; border: 1px solid var(--line); background: rgb(255 255 255 / .03); color: var(--ink-2); font: 500 .88rem/1 var(--font); cursor: pointer; transition: color .25s, border-color .25s, background .25s, transform .25s var(--ease); }
.filter:hover { color: var(--ink); border-color: color-mix(in srgb, var(--accent) 50%, transparent); transform: translateY(-1px); }
.filter[aria-pressed='true'] { color: #04130b; background: var(--accent); border-color: var(--accent); font-weight: 600; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); grid-auto-flow: dense; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--3 .card--feat { grid-column: auto; }
@media (min-width: 900px) { .card--feat { grid-column: span 2; } }

.card {
	display: flex; flex-direction: column; gap: .8rem; padding: 1.4rem; overflow: hidden;
	transition: transform .45s var(--ease), border-color .3s, box-shadow .3s;
}
.card[hidden] { display: none; }
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); box-shadow: inset 0 1px 0 rgb(255 255 255 / .09), 0 30px 60px -28px color-mix(in srgb, var(--accent) 45%, transparent); }
.card--feat {
	background:
		radial-gradient(70% 90% at 100% 0%, color-mix(in srgb, var(--accent) 17%, transparent), transparent 70%),
		linear-gradient(180deg, rgb(255 255 255 / .065), rgb(255 255 255 / .025));
}
.card__head { display: flex; align-items: center; justify-content: space-between; }
.card__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; color: var(--accent); background: color-mix(in srgb, var(--accent) 13%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); transition: transform .5s var(--ease); }
.card:hover .card__icon { transform: rotate(-8deg) scale(1.08); }
.card__icon .i { width: 22px; height: 22px; }
.card__title { font-size: 1.28rem; width: fit-content; }
.card--feat .card__title { font-size: clamp(1.4rem, 1.1rem + .9vw, 1.8rem); }
.card__text { flex: 1; margin: 0; color: var(--ink-2); font-size: .96rem; }
.card__go { display: inline-flex; align-items: center; gap: .45rem; margin-top: .2rem; color: var(--accent); font-weight: 600; font-size: .9rem; }
.card__go .i { transition: transform .35s var(--ease); }
.card:hover .card__go .i { transform: translateX(5px); }

/* ───────── Sobre ───────── */
.about { display: grid; gap: 3rem; }
@media (min-width: 900px) { .about { grid-template-columns: 1fr 1fr; align-items: start; gap: 4rem; } }
.about__text h2 { margin-bottom: 1.4rem; }
.about__text p { color: var(--ink-2); font-size: 1.05rem; }
.about__text strong { color: var(--ink); font-weight: 600; }
.timeline { list-style: none; position: relative; display: grid; gap: 1rem; padding-left: 1.6rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: .6rem; bottom: .6rem; width: 2px; background: linear-gradient(var(--accent), transparent); opacity: .55; }
.timeline__item { padding: 1.25rem 1.4rem; }
.timeline__item::before { content: ''; position: absolute; left: calc(-1.6rem - 4px); top: 1.6rem; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 22%, transparent), 0 0 18px var(--accent); }
.timeline__when { font: 500 .75rem/1 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--accent); }
.timeline__item h3 { margin: .6rem 0 .35rem; font-size: 1.15rem; }
.timeline__item p { margin: 0; color: var(--ink-2); font-size: .96rem; }

/* ───────── Stack ───────── */
.stack { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.stack__group { padding: 1.4rem; }
.stack__group h3 { margin-bottom: 1rem; color: var(--ink-3); font: 500 .76rem/1 var(--mono); text-transform: uppercase; letter-spacing: .15em; }
.stack__group ul { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; }
.stack__group li { padding: .42rem .8rem; border-radius: 10px; border: 1px solid var(--line); background: rgb(255 255 255 / .04); font-weight: 500; font-size: .92rem; transition: transform .3s var(--ease), border-color .3s, color .3s; }
.stack__group li:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
.stack__group li.main { color: var(--accent); background: color-mix(in srgb, var(--accent) 13%, transparent); border-color: color-mix(in srgb, var(--accent) 38%, transparent); }

/* ───────── Contato ───────── */
.cta {
	overflow: hidden; padding: clamp(2.2rem, 6vw, 4.5rem) 1.5rem; text-align: center;
	background:
		radial-gradient(60% 110% at 50% 0%, color-mix(in srgb, var(--accent) 17%, transparent), transparent 70%),
		linear-gradient(180deg, rgb(255 255 255 / .065), rgb(255 255 255 / .025));
}
.cta .section__lead { max-width: 52ch; margin-inline: auto; }
.cta__links { list-style: none; display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-top: 2rem; }

/* ───────── Rodapé ───────── */
.footer { margin-top: 2rem; border-top: 1px solid var(--line); }
.footer__in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 2rem; color: var(--ink-3); font-size: .9rem; }
.footer__in p { margin: 0; }
.social { list-style: none; display: flex; gap: .35rem; }
.social a { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; border: 1px solid transparent; color: var(--ink-2); transition: color .25s, border-color .25s, background .25s, transform .3s var(--ease); }
.social a:hover { color: var(--accent); border-color: var(--line); background: rgb(255 255 255 / .05); transform: translateY(-2px); }
.social .i { width: 20px; height: 20px; }

/* ───────── Erro ───────── */
.error { padding-block: clamp(4rem, 14vw, 9rem); text-align: center; }
.error__code { margin: 0; font: 800 clamp(5rem, 22vw, 11rem)/1 var(--font); letter-spacing: -.06em; background: linear-gradient(180deg, var(--accent), transparent 92%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.error h1 { font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.8rem); margin-top: .5rem; }
.error .section__lead { max-width: 46ch; margin: 1rem auto 2rem; }

/* ───────── Responsivo ───────── */
@media (min-width: 960px) {
	.hero { grid-template-columns: 1.15fr .85fr; }
}
@media (max-width: 720px) {
	.nav { border-radius: 26px; padding-right: .6rem; }
	.nav__toggle { display: grid; }
	.nav__links { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: .2rem; padding: .6rem 0 .3rem; }
	.nav[data-open] .nav__links { display: flex; }
	.nav__links .btn { margin: .3rem 0 0; }
	.float--b { left: -.4rem; }
}

/* ───────── Movimento reduzido ───────── */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
	.js [data-reveal]:not(.in) { opacity: 1; }
}