/* Mesma identidade do app: superfícies escuras, linha de 1px, acento em luz. */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/inter-latin-ext-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF,
    U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/inter-latin-wght-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #05001d;
  --bg-raised: #090642;
  --text: #eef0ff;
  --text-2: #b9bfde;
  --text-3: #8d93b8;
  --accent: #1f9dff;
  --accent-light: #93dcff;
  --glow: #13fafe;
  --line: rgba(164, 184, 255, 0.14);
  --line-strong: rgba(164, 184, 255, 0.26);
  --radius: 20px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background:
    radial-gradient(90% 60% at 80% -10%, rgba(64, 60, 200, 0.45) 0%, transparent 60%),
    radial-gradient(70% 50% at 0% 30%, rgba(11, 109, 255, 0.16) 0%, transparent 60%),
    var(--bg);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ol,
figure,
pre {
  margin: 0;
}

a {
  color: var(--accent-light);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.wrap {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------- Topo */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 0, 29, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.nav__row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand:hover {
  text-decoration: none;
}

/* A arte tem fundo próprio; "screen" e a máscara a dissolvem no fundo da página. */
.brand__symbol {
  width: 40px;
  height: 40px;
  mix-blend-mode: screen;
  -webkit-mask-image: radial-gradient(closest-side, #000 70%, transparent 100%);
  mask-image: radial-gradient(closest-side, #000 70%, transparent 100%);
}

.brand__name span {
  background: linear-gradient(90deg, var(--accent), var(--glow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__links {
  display: flex;
  gap: 24px;
  margin-right: auto;
}

.nav__links a,
.nav__lang {
  color: var(--text-2);
  font-size: 14px;
}

.nav__links a:hover,
.nav__lang:hover {
  color: var(--text);
  text-decoration: none;
}

.nav__side {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav__github {
  padding: 7px 14px;
  border-radius: 99px;
  box-shadow: inset 0 0 0 1px var(--line-strong);
  color: var(--text);
  font-size: 14px;
}

.nav__github:hover {
  box-shadow: inset 0 0 0 1px rgba(79, 198, 255, 0.6);
  text-decoration: none;
}

/* --------------------------------------------------------------------------- Abertura */

.hero {
  padding: 84px 0 40px;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__title {
  max-width: 15em;
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

/* A segunda metade da frase fica na própria linha, em vez de quebrar no meio. */
.hero__title span {
  display: block;
  background: linear-gradient(90deg, #4fc6ff, var(--glow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__text {
  max-width: 38em;
  margin-top: 22px;
  color: var(--text-2);
  font-size: clamp(16px, 2vw, 19px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.hero__note {
  margin-top: 18px;
  color: var(--text-3);
  font-size: 13px;
}

.hero__which {
  max-width: 44em;
  margin-top: 6px;
  color: var(--text-3);
  font-size: 13px;
}

/* O botão principal é contornado e brilha, como no app: o acento é luz, não preenchimento. */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 0;
  border-radius: 14px;
  background: rgba(126, 146, 255, 0.08);
  box-shadow: inset 0 0 0 1px var(--line-strong);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition:
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover {
  background: rgba(126, 146, 255, 0.14);
  text-decoration: none;
}

.button--primary {
  background: linear-gradient(160deg, rgba(79, 198, 255, 0.22), rgba(11, 109, 255, 0.12));
  box-shadow:
    inset 0 0 0 1px rgba(79, 198, 255, 0.7),
    0 0 22px rgba(19, 250, 254, 0.22);
}

.button--primary:hover {
  background: linear-gradient(160deg, rgba(79, 198, 255, 0.3), rgba(11, 109, 255, 0.18));
  box-shadow:
    inset 0 0 0 1px rgba(125, 246, 255, 0.9),
    0 0 30px rgba(19, 250, 254, 0.34);
}

/* --------------------------------------------------------------------------- Capturas */

.shot {
  margin-top: 56px;
}

.shot img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow:
    0 0 0 1px var(--line-strong),
    0 40px 120px rgba(2, 0, 20, 0.7),
    0 0 90px rgba(31, 157, 255, 0.16);
}

.shot figcaption {
  margin-top: 14px;
  color: var(--text-3);
  font-size: 14px;
  text-align: center;
}

/* --------------------------------------------------------------------------- Seções */

.section {
  padding: 72px 0;
}

.section__title {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section__text {
  max-width: 40em;
  margin-top: 10px;
  color: var(--text-2);
}

.grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(126, 146, 255, 0.125) 0%, rgba(126, 146, 255, 0.05) 100%);
  box-shadow: inset 0 0 0 1px var(--line);
}

.card h3 {
  font-size: 17px;
  font-weight: 500;
}

.card p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 14.5px;
}

.card--note {
  display: flex;
  align-items: center;
  background: none;
  box-shadow: inset 0 0 0 1px rgba(255, 190, 92, 0.4);
}

.card--note p {
  margin-top: 0;
  color: #ffd9a3;
}

.card--credit {
  padding: 30px;
  background: linear-gradient(150deg, rgba(74, 96, 226, 0.3) 0%, rgba(28, 32, 110, 0.18) 60%, rgba(12, 10, 66, 0.22) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(79, 198, 255, 0.4),
    0 0 40px rgba(19, 250, 254, 0.1);
}

.card--credit h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card--credit p {
  max-width: 52em;
  margin: 10px 0 14px;
  font-size: 16px;
}

/* --------------------------------------------------------------------------- Instalar */

.install {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: start;
  gap: 40px;
}

.steps {
  display: grid;
  gap: 14px;
  margin-top: 26px;
  padding: 0;
  counter-reset: step;
  list-style: none;
}

.steps li {
  position: relative;
  min-height: 34px;
  padding-left: 50px;
  color: var(--text-2);
  counter-increment: step;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  top: -2px;
  left: 0;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(160deg, rgba(79, 198, 255, 0.26), rgba(11, 109, 255, 0.12));
  box-shadow: inset 0 0 0 1px rgba(79, 198, 255, 0.6);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
}

.install__download {
  display: grid;
  gap: 12px;
}

.install__download p {
  margin-top: 4px;
  font-size: 13px;
}

/* --------------------------------------------------------------------------- Apoiar */

.support {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  margin-top: 30px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 28px;
  padding: 0 12px;
  border-radius: 99px;
  box-shadow: inset 0 0 0 1px var(--line-strong);
  color: var(--text-2);
  font-size: 12.5px;
}

.card .support__to {
  margin-top: 14px;
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
}

.support__codes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.pix {
  display: grid;
  justify-items: center;
  gap: 12px;
}

/* O leitor do banco precisa de preto sobre branco; a margem branca já vem na imagem. */
.pix img {
  width: min(200px, 100%);
  border-radius: 14px;
  background: #fff;
}

.pix strong {
  font-size: 20px;
  font-weight: 500;
}

.card .support__hint {
  margin-top: 18px;
  color: var(--text-3);
  font-size: 13.5px;
  text-align: center;
}

.support__stripe h3 {
  margin-top: 14px;
}

.support__stripe .button {
  margin-top: 18px;
}

/* --------------------------------------------------------------------------- Rodapé */

.footer {
  margin-top: 40px;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--text-3);
  font-size: 14px;
}

.footer__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
}

.footer__row a + a {
  margin-left: 20px;
}

.footer__warranty {
  max-width: 60em;
  margin-top: 18px;
  font-size: 13px;
}

/* --------------------------------------------------------------------------- Telas menores */

@media (max-width: 900px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .install,
  .support {
    grid-template-columns: minmax(0, 1fr);
  }

  .nav__links {
    display: none;
  }

  .nav__side {
    margin-left: auto;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(1120px, 100% - 32px);
  }

  .hero {
    padding-top: 56px;
  }

  .hero__actions {
    flex-direction: column;
    align-self: stretch;
  }

  .grid--4,
  .grid--3,
  .support__codes {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 52px 0;
  }

  .shot img {
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}