/* ==========================================================
   isaCloud — v2
   Cores da marca:
     rosa  rgb(255, 0, 111)
     azul  rgb(23, 128, 173)
   ========================================================== */

:root {
  --pink: #ff006f;
  --pink-dark: #d6005c;
  --pink-soft: #fff0f6;
  --blue: #1780ad;
  --blue-dark: #0f6285;
  --blue-soft: #eaf5fa;

  --ink: #14202b;
  --ink-soft: #4a5a68;
  --line: #e4eaef;
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --card: #ffffff;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(20, 32, 43, .06), 0 1px 3px rgba(20, 32, 43, .06);
  --shadow-md: 0 8px 24px -8px rgba(20, 32, 43, .18);
  --shadow-lg: 0 24px 48px -16px rgba(23, 128, 173, .28);

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
          'Noto Sans', 'Liberation Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji',
          'Segoe UI Symbol', 'Noto Color Emoji';
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue-dark); }
b, strong { font-weight: 650; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

:focus-visible { outline: 3px solid rgba(23, 128, 173, .45); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.wrap-narrow { width: min(820px, 100% - 40px); margin-inline: auto; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .75rem 1.25rem;
  font: inherit; font-size: .98rem; font-weight: 600; line-height: 1.2;
  text-decoration: none; text-align: center;
  border-radius: 999px; border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { flex: none; }

.btn-pink { background: var(--pink); color: #fff; box-shadow: 0 8px 20px -8px rgba(255, 0, 111, .65); }
.btn-pink:hover { background: var(--pink-dark); color: #fff; }

.btn-blue { background: var(--blue); color: #fff; box-shadow: 0 8px 20px -8px rgba(23, 128, 173, .6); }
.btn-blue:hover { background: var(--blue-dark); color: #fff; }

.btn-outline { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-outline:hover { background: var(--blue-soft); color: var(--blue-dark); }

.btn-outline-pink { background: #fff; color: var(--pink); border-color: var(--pink); }
.btn-outline-pink:hover { background: var(--pink-soft); color: var(--pink-dark); }

.btn-sm { padding: .55rem 1rem; font-size: .92rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 72px; }
.brand { display: flex; align-items: center; gap: .9rem; text-decoration: none; color: var(--ink); }
.brand img { width: 132px; }
.brand-tag { display: none; font-size: .85rem; line-height: 1.3; color: var(--ink-soft); padding-left: .9rem; border-left: 1px solid var(--line); max-width: 190px; }
.nav { display: none; align-items: center; gap: 1.6rem; }
.nav a:not(.btn) { color: var(--ink-soft); text-decoration: none; font-weight: 550; font-size: .97rem; }
.nav a:not(.btn):hover { color: var(--pink); }

@media (min-width: 900px) {
  .nav { display: flex; }
}
@media (min-width: 1100px) {
  .brand img { width: 150px; }
}
.header-cta { display: inline-flex; }
@media (min-width: 900px) { .header-cta { display: none; } }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 7vw, 5rem);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(255, 0, 111, .13), transparent 60%),
    radial-gradient(900px 480px at 92% 0%, rgba(23, 128, 173, .18), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
}
.hero-grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.1fr .9fr; gap: 4rem; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .35rem .85rem; margin-bottom: 1.25rem;
  font-size: .9rem; font-weight: 600; color: var(--blue-dark);
  background: var(--blue-soft); border: 1px solid rgba(23, 128, 173, .25);
  border-radius: 999px;
}
.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1.12; letter-spacing: -.03em; font-weight: 750;
}
.hero h1 b {
  font-weight: inherit; white-space: nowrap;
  background: linear-gradient(95deg, var(--pink), var(--blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--ink-soft); margin-bottom: 1.5rem; max-width: 34em; }

.chips { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0 0 1.5rem; padding: 0; list-style: none; }
.chips li {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .4rem .9rem; font-weight: 600; font-size: .95rem;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.compliance { display: inline-block; line-height: 0; }
.compliance img { height: 28px; width: auto; }

/* Cartão de passos */
.signup-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-lg);
}
.step { display: flex; gap: 1rem; }
.step + .step { margin-top: 1.5rem; }
.step-num {
  flex: none; width: 2.4rem; height: 2.4rem; border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700; color: #fff; background: var(--pink);
  box-shadow: 0 6px 14px -6px rgba(255, 0, 111, .7);
}
.step:nth-child(2) .step-num { background: var(--blue); box-shadow: 0 6px 14px -6px rgba(23, 128, 173, .7); }
.step-body { flex: 1; min-width: 0; }
.step-title { margin: .25rem 0 .9rem; font-size: 1.15rem; font-weight: 700; line-height: 1.3; }
.btn-stack { display: grid; gap: .6rem; }
.btn-stack .btn { justify-content: flex-start; padding-inline: 1.25rem; }
.btn-stack .btn::after { content: "→"; margin-left: auto; opacity: .7; transition: transform .15s ease; }
.btn-stack .btn:hover::after { transform: translateX(4px); }

.have-account { margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px dashed var(--line); }
.have-account p { margin-bottom: .9rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; }

/* ---------- Seções ---------- */
section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-alt { background: var(--bg-alt); }

.section-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem; }
.section-icon {
  flex: none; width: 3.4rem; height: 3.4rem; border-radius: 14px;
  display: grid; place-items: center;
  color: var(--pink); background: var(--pink-soft);
}
.section-icon svg { width: 1.7rem; height: 1.7rem; fill: currentColor; }
.section-head h2 { margin: 0; font-size: clamp(1.6rem, 3.2vw, 2.1rem); line-height: 1.2; letter-spacing: -.02em; font-weight: 750; }

.prose p { font-size: 1.08rem; }

.note {
  margin-top: 1.75rem; padding: 1.25rem 1.5rem;
  font-size: .95rem; line-height: 1.7; color: var(--ink-soft);
  background: var(--bg-alt); border-left: 4px solid var(--blue); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.section-alt .note { background: #fff; }
.note b { color: var(--ink); }

/* Sobre */
.about-grid { display: grid; gap: 2.5rem; }
.about-callout {
  padding: 1.5rem; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--pink-soft), var(--blue-soft));
  border: 1px solid var(--line);
}

/* Estrutura */
.figure {
  margin: 2rem 0; padding: clamp(.75rem, 2vw, 1.5rem);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.figure a { display: block; }
.figure img { width: 100%; border-radius: var(--radius-sm); }

/* Aplicativos */
.apps-group { margin-top: 2.5rem; }
.apps-group-title {
  display: flex; align-items: center; gap: .75rem;
  margin: 0 0 1.25rem; font-size: 1.15rem; font-weight: 700; line-height: 1.35;
}
.apps-group-title svg { flex: none; fill: var(--blue); }
.cards { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
.app-card {
  flex: 0 1 300px; width: min(100%, 300px);
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.app-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(23, 128, 173, .35); }
.app-shot {
  aspect-ratio: 16 / 11; overflow: hidden;
  background: linear-gradient(135deg, var(--blue-soft), var(--pink-soft));
}
.app-shot-tall { aspect-ratio: 5 / 4; } /* prints de celular: mostra um pouco mais da tela */
.app-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .4s ease; }
.app-card:hover .app-shot img { transform: scale(1.04); }
.app-body { display: flex; flex-direction: column; flex: 1; padding: 1.25rem 1.35rem 1.4rem; }
.app-body h4 { margin: 0; font-size: 1.25rem; font-weight: 750; letter-spacing: -.01em; line-height: 1.3; }
.app-sub { margin: .15rem 0 .7rem; font-size: .88rem; font-weight: 600; color: var(--blue); }
.app-body p { font-size: .98rem; color: var(--ink-soft); line-height: 1.6; }
.app-body .btn { margin-top: auto; align-self: flex-start; }

/* FAQ / Mais infos */
.cta-panel {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.cta-panel p { margin: 0; flex: 1 1 320px; font-size: 1.08rem; }

/* Doações */
.donate {
  background:
    radial-gradient(700px 360px at 90% 0%, rgba(255, 0, 111, .12), transparent 60%),
    radial-gradient(700px 360px at 0% 100%, rgba(23, 128, 173, .14), transparent 60%),
    var(--bg-alt);
}
.donate-card {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow-lg);
}
.donate-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; margin: 1.5rem 0; }
.pix {
  display: inline-flex; align-items: center; gap: .5rem; flex-wrap: wrap;
  padding: .7rem 1.1rem; background: var(--pink-soft);
  border: 1px dashed rgba(255, 0, 111, .45); border-radius: var(--radius-sm);
}
.pix b { color: var(--pink-dark); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 1.02rem; }
.cost {
  display: inline-block; margin-top: .5rem; padding: .35rem .9rem;
  font-weight: 600; color: var(--blue-dark);
  background: var(--blue-soft); border-radius: 999px;
}
.liberapay-widget { margin: 1rem 0; }

/* ---------- Rodapé ---------- */
.site-footer { padding: 3.5rem 0 3rem; background: #fff; border-top: 1px solid var(--line); color: var(--ink-soft); text-align: center; }
.footer-logos { display: flex; align-items: center; justify-content: center; gap: 2.5rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.footer-logos img { width: auto; }
.footer-logos .logo-xmpp { height: 64px; }
.footer-logos .logo-wide { height: 44px; }
.footer-logos .logo-balao { height: 64px; }
.rodape-legal { max-width: 640px; margin: 0 auto; font-size: .95rem; color: var(--ink-soft); }

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}