/* OpenCord — landing page. Mesmos tokens do app (packages/ui/src/tokens.css), sem dependências externas. */
@font-face {
  font-family: 'Inter Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('assets/inter-latin-wght-normal.woff2') format('woff2-variations');
}

:root {
  color-scheme: dark;
  --bg: #111317;
  --bg-2: #1b1d22;
  --surface: #24262c;
  --elevated: #2e3138;
  --border: #383b42;
  --text: #eef0f3;
  --text-2: #b0b5bf;
  --muted: #969ca7;
  --brand: #4d56fd;
  --brand-hover: #3f48e8;
  --brand-text: #9ca3ff;
  --success: #3fb27f;
  --warning: #e8a33d;
  --danger: #d93b40;
  --radius: 12px;
  --dur: 180ms;
  --dur-slow: 600ms;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --font: 'Inter Variable', 'Segoe UI Variable Text', 'Segoe UI', system-ui, sans-serif;
}
@media (prefers-reduced-motion: reduce) {
  :root {
    --dur: 0ms;
    --dur-slow: 0ms;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  display: block;
}
a {
  color: inherit;
}
:focus-visible {
  outline: 2px solid #6cc7ff;
  outline-offset: 3px;
  border-radius: 6px;
}
.wrap {
  width: min(1160px, 100% - 32px);
  margin-inline: auto;
}
.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--brand);
  color: #fff;
  border-radius: 8px;
}
.skip:focus {
  top: 12px;
}

/* ---------- ícones: outline por padrão, solid no hover/foco do elemento interativo ---------- */
.ic {
  position: relative;
  display: inline-grid;
  flex: none;
  width: 1.25em;
  height: 1.25em;
}
.ic > svg {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  transition: opacity var(--dur) var(--ease);
}
.ic > .s {
  opacity: 0;
}
:is(a, button, summary, .card):is(:hover, :focus-visible) .ic > .s {
  opacity: 1;
}
:is(a, button, summary, .card):is(:hover, :focus-visible) .ic > .o {
  opacity: 0;
}

/* ---------- navegação ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgb(17 19 23 / 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgb(255 255 255 / 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
}
.brand img {
  border-radius: 9px;
}
.nav nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav nav > a:not(.btn) {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 15px;
  transition:
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}
.nav nav > a:not(.btn):hover {
  color: var(--text);
  background: rgb(255 255 255 / 0.05);
}
@media (max-width: 720px) {
  .nav nav > a:not(.btn) {
    display: none;
  }
}

/* ---------- botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  font: 600 16px/1 var(--font);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.btn:active {
  transform: translateY(1px) scale(0.98);
}
.btn-sm {
  min-height: 38px;
  padding: 0 14px;
  font-size: 14px;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 28px -10px rgb(77 86 253 / 0.7);
}
.btn-primary:hover {
  background: var(--brand-hover);
  box-shadow: 0 12px 36px -10px rgb(77 86 253 / 0.85);
  transform: translateY(-1px);
}
.btn-ghost {
  background: rgb(255 255 255 / 0.04);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgb(255 255 255 / 0.08);
  border-color: #4a4e57;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 96px;
  isolation: isolate;
  /* o brilho de fundo passa das bordas; recorta só na horizontal */
  overflow-x: clip;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto;
  height: 720px;
  z-index: -1;
  background:
    radial-gradient(40% 50% at 30% 30%, rgb(77 86 253 / 0.35), transparent 70%),
    radial-gradient(30% 40% at 80% 20%, rgb(124 92 255 / 0.22), transparent 70%);
  filter: blur(20px);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(255 255 255 / 0.03);
  color: var(--text-2);
  font-size: 14px;
}
.pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgb(63 178 127 / 0.2);
}
h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.accent {
  background: linear-gradient(100deg, #8f97ff, #4d56fd 45%, #b44dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  margin: 20px 0 32px;
  max-width: 34em;
  color: var(--text-2);
  font-size: 19px;
  text-wrap: pretty;
}
.lead strong {
  color: var(--text);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.fine {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- ilustração do app ---------- */
.mock {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  box-shadow:
    0 40px 80px -30px rgb(0 0 0 / 0.8),
    0 0 0 1px rgb(255 255 255 / 0.02) inset;
  overflow: hidden;
  font-size: 13px;
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform var(--dur-slow) var(--ease-out);
}
.mock:hover {
  transform: none;
}
.mock-bar {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  background: #0c0d10;
}
.mock-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2c2f36;
}
.mock-body {
  display: grid;
  grid-template-columns: 52px 170px 1fr;
  height: 380px;
}
.mock-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  background: var(--bg);
}
.mock-rail i {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 50%;
}
.mock-rail .logo {
  border-radius: 11px;
  background: url('assets/opencord-logo.png') center / cover;
}
.mock-rail .sep {
  width: 22px;
  height: 2px;
  background: var(--border);
}
.mock-rail .srv.a {
  border-radius: 11px;
  background: linear-gradient(135deg, #4d56fd, #7c5cff);
}
.mock-rail .srv.b {
  background: linear-gradient(135deg, #e0559b, #f08a24);
}
.mock-rail .srv.c {
  background: linear-gradient(135deg, #14a3a3, #3fb27f);
}
.mock-side {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 8px;
  background: var(--bg-2);
  overflow: hidden;
}
.mock-side b {
  padding: 0 6px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}
.mock-side small {
  padding: 8px 6px 2px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.mock-side .ch,
.mock-side .who {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 6px;
  color: var(--muted);
  white-space: nowrap;
}
.mock-side .ch.on {
  background: var(--elevated);
  color: var(--text);
}
.mock-side .ch .ic {
  width: 15px;
  height: 15px;
}
.mock-side .who {
  padding-left: 22px;
  color: var(--text-2);
}
.av {
  flex: none;
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
}
.av.c1 {
  background: #b44dff;
}
.av.c2 {
  background: #2d8cff;
}
.av.c3 {
  background: #d9a514;
}
.av.talk {
  box-shadow:
    0 0 0 2px var(--bg-2),
    0 0 0 4px var(--success);
  animation: talk 1.6s ease-in-out infinite;
}
@keyframes talk {
  50% {
    box-shadow:
      0 0 0 2px var(--bg-2),
      0 0 0 4px rgb(63 178 127 / 0.2);
  }
}
.live {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--danger);
  color: #fff;
  font: 700 9px/1.4 var(--font);
  font-style: normal;
}
.mock-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  background: var(--surface);
  min-width: 0;
}
.stream {
  position: relative;
  flex: 1;
  border-radius: 10px;
  overflow: hidden;
  background: #0c0d10;
}
.stream-art {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 70% 110%, rgb(240 138 36 / 0.55), transparent 60%),
    radial-gradient(50% 70% at 20% 0%, rgb(77 86 253 / 0.55), transparent 60%),
    linear-gradient(160deg, #1a1d3a, #2a1630 60%, #3a1d14);
  animation: drift 12s ease-in-out infinite alternate;
  background-size: 140% 140%;
}
@keyframes drift {
  to {
    background-position: 100% 60%;
  }
}
.stream-tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgb(0 0 0 / 0.6);
  font-size: 12px;
}
.stream-tag .ic {
  width: 14px;
  height: 14px;
}
.msg {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.msg .av {
  width: 26px;
  height: 26px;
}
.msg p {
  margin: 0;
  color: var(--text-2);
}
.msg b {
  display: block;
  color: var(--text);
  font-size: 12px;
}
.composer {
  padding: 9px 12px;
  border-radius: 8px;
  background: var(--elevated);
  color: var(--muted);
}

/* ---------- seções ---------- */
.section {
  padding: 96px 0;
}
.section-alt {
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border-block: 1px solid rgb(255 255 255 / 0.04);
}
h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.sub {
  margin: 12px 0 48px;
  max-width: 40em;
  color: var(--text-2);
  font-size: 18px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-2);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgb(77 86 253 / 0.55);
  background: #1e2027;
}
.card > .ic {
  width: 28px;
  height: 28px;
  color: var(--brand-text);
}
.card h3 {
  margin: 14px 0 6px;
  font-size: 18px;
}
.card p {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
}

.steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.step {
  display: flex;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.num {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
}
.step h3 {
  margin: 6px 0 4px;
  font-size: 19px;
}
.step p {
  margin: 0 0 10px;
  color: var(--text-2);
}
.step,
.step div {
  /* itens de grid/flex com <pre> não podem crescer além da tela */
  min-width: 0;
}
pre {
  margin: 8px 0 0;
  padding: 14px 16px;
  border-radius: 10px;
  background: #0c0d10;
  border: 1px solid var(--border);
  overflow-x: auto;
  font:
    14px/1.5 'Cascadia Mono',
    Consolas,
    ui-monospace,
    monospace;
  color: #c9cdff;
}
.link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-text);
  font-weight: 600;
  text-decoration: none;
}
.link .ic {
  transition: transform var(--dur) var(--ease);
}
.link:hover .ic {
  transform: translateX(3px);
}

.status {
  display: flex;
  gap: 20px;
  padding: 32px;
  border: 1px solid rgb(232 163 61 / 0.35);
  border-radius: var(--radius);
  background: rgb(232 163 61 / 0.06);
}
.status > .ic {
  width: 32px;
  height: 32px;
  color: var(--warning);
}
.status h2 {
  font-size: 24px;
}
.checks {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text-2);
}
.checks li {
  display: flex;
  gap: 10px;
}
.checks .ic {
  margin-top: 2px;
  color: var(--success);
}
.checks .pending .ic {
  color: var(--warning);
}

.faq {
  max-width: 820px;
}
.faq h2 {
  margin-bottom: 32px;
}
details {
  border-bottom: 1px solid var(--border);
}
summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  list-style: none;
  transition: color var(--dur) var(--ease);
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: '';
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
details[open] summary::after {
  transform: rotate(-135deg);
}
summary:hover {
  color: var(--brand-text);
}
details p {
  margin: 0 4px 20px;
  color: var(--text-2);
}
details[open] p {
  animation: fade var(--dur-slow) var(--ease-out);
}

.final-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.final-inner img {
  border-radius: 18px;
  box-shadow: 0 20px 50px -15px rgb(77 86 253 / 0.8);
}

.foot {
  padding: 32px 0;
  border-top: 1px solid rgb(255 255 255 / 0.06);
  color: var(--muted);
  font-size: 14px;
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.foot a {
  color: var(--text-2);
}

/* ---------- entrada suave ao rolar ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}
.js .reveal.in {
  opacity: 1;
  transform: none;
}
@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
  }
  .mock,
  .stream-art,
  .av.talk {
    transform: none;
    animation: none;
  }
}

/* ---------- responsivo ---------- */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .mock {
    transform: none;
  }
}
@media (max-width: 560px) {
  .hero {
    padding-top: 40px;
  }
  .mock-body {
    grid-template-columns: 44px 1fr;
    height: 320px;
  }
  .mock-side {
    display: none;
  }
  .step,
  .status {
    flex-direction: column;
    gap: 12px;
    padding: 20px;
  }
  .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}