/* Página inicial de cybercertifica.com (pt em /, en em /en). Sem fontes nem scripts de terceiros:
   a política de privacidade diz que não há rastreamento, e a página cumpre. */

:root {
  --ink: #0b1220;
  --ink-2: #111a2e;
  --ink-3: #1a2540;
  --paper: #f3f5f8;
  --surface: #ffffff;
  --text: #0b1220;
  --muted: #5a6675;
  --hairline: #e3e8ef;
  --teal: #0f766e;
  --teal-strong: #0b5e57;
  --teal-glow: #14b8a6;
  --mint: #5eead4;
  --amber: #f59e0b;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 12px 32px rgba(16, 24, 40, 0.08);
  --max: 1160px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img, svg { display: block; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.skip { position: absolute; left: -999px; top: 8px; background: #fff; color: var(--ink); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 16px; z-index: 10; }

/* ---------------------------------------------------------------- hero (escuro) */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 85% 10%, rgba(20, 184, 166, 0.28), transparent 60%),
    radial-gradient(700px 480px at 0% 100%, rgba(15, 118, 110, 0.35), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  color: #e6edf6;
}

/* Grade sutil ao fundo: lembra um terminal/rede sem virar clichê de "hacker". */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 0%, transparent 70%);
  pointer-events: none;
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -0.01em; font-size: 1.1rem; color: #fff; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--teal-glow), var(--teal));
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.35);
}

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { text-decoration: none; color: #c4cfdd; font-size: 0.95rem; padding: 8px 12px; border-radius: 10px; }
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.nav-links .hide-sm { display: none; }
@media (min-width: 760px) { .nav-links .hide-sm { display: inline-block; } }
.lang {
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.85rem !important;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 48px;
  align-items: center;
  padding: 40px 0 72px;
}
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 0.95fr; padding: 56px 0 96px; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--mint);
  background: rgba(94, 234, 212, 0.08);
  border: 1px solid rgba(94, 234, 212, 0.22);
  padding: 6px 12px; border-radius: 999px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.18); }

h1 {
  margin: 20px 0 16px;
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: #fff;
}
h1 .accent {
  background: linear-gradient(90deg, var(--mint), var(--teal-glow));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: #c4cfdd; max-width: 34em; margin: 0 0 28px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; font-weight: 650; font-size: 1rem;
  padding: 14px 20px; border-radius: 14px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }

.btn-store { background: #fff; color: var(--ink); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25); }
.btn-store small { display: block; font-size: 0.72rem; font-weight: 600; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; line-height: 1.1; }
.btn-store span.big { display: block; font-size: 1.05rem; line-height: 1.2; }
.btn-ghost { color: #e6edf6; border: 1px solid rgba(255, 255, 255, 0.22); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.45); }

.trial-note { margin: 18px 0 0; font-size: 0.95rem; color: #9fb0c4; display: flex; align-items: center; gap: 8px; }
.trial-note strong { color: #fff; }

/* ---------------------------------------------------------------- mockup do app */

.device-stage { position: relative; display: grid; place-items: center; min-height: 520px; }

.phone {
  position: relative;
  width: min(300px, 100%);
  border-radius: 42px;
  padding: 12px;
  background: linear-gradient(160deg, #2b3550, #0d1424);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.screen { border-radius: 32px; overflow: hidden; background: var(--paper); color: var(--text); }
.screen-bar { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px 6px; font-size: 0.72rem; font-weight: 600; color: var(--muted); }
.screen-top { display: flex; align-items: center; gap: 10px; padding: 8px 16px 12px; }
.screen-top .chip { margin-left: auto; font-size: 0.68rem; font-weight: 700; color: var(--teal); background: rgba(15, 118, 110, 0.1); padding: 4px 8px; border-radius: 999px; }
.screen-title { font-weight: 700; font-size: 0.92rem; }
.progress { margin: 0 16px 12px; height: 6px; border-radius: 99px; background: var(--hairline); overflow: hidden; }
.progress i { display: block; width: 62%; height: 100%; background: linear-gradient(90deg, var(--teal-glow), var(--teal)); border-radius: inherit; }

.q-card { margin: 0 12px 14px; background: var(--surface); border-radius: 18px; padding: 16px; box-shadow: var(--shadow); }
.q-meta { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.q-text { font-size: 0.86rem; font-weight: 600; line-height: 1.4; margin: 0 0 12px; }
.opt { display: flex; gap: 10px; align-items: flex-start; font-size: 0.8rem; line-height: 1.35; padding: 9px 10px; border: 1px solid var(--hairline); border-radius: 12px; margin-bottom: 7px; }
.opt b { flex: none; width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; font-size: 0.68rem; background: var(--paper); color: var(--muted); }
.opt.correct { border-color: rgba(21, 128, 61, 0.45); background: rgba(21, 128, 61, 0.07); }
.opt.correct b { background: #15803d; color: #fff; }
.opt.wrong { border-color: rgba(180, 35, 24, 0.35); background: rgba(180, 35, 24, 0.05); }
.opt.wrong b { background: #b42318; color: #fff; }
.feedback { font-size: 0.74rem; line-height: 1.45; color: #14532d; background: rgba(21, 128, 61, 0.08); border-radius: 10px; padding: 9px 10px; margin-top: 4px; }

.float {
  position: absolute;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
  font-size: 0.8rem;
  line-height: 1.35;
  max-width: 200px;
  z-index: 2;
  display: none;
}
@media (min-width: 520px) { .float { display: block; } }
.float strong { display: block; font-size: 0.95rem; }
.float .muted { color: var(--muted); }
.float-a { top: 28px; left: calc(50% - 265px); }
.float-b { bottom: 24px; right: calc(50% - 270px); }
@media (min-width: 960px) and (max-width: 1179px) { .float-a { left: calc(50% - 225px); } .float { max-width: 180px; } }
@media (min-width: 1180px) { .float-a { left: calc(50% - 325px); } .float-b { right: calc(50% - 325px); } }
.float .icon { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; margin-bottom: 8px; }
.float-a .icon { background: rgba(245, 158, 11, 0.15); color: #b45309; }
.float-b .icon { background: rgba(15, 118, 110, 0.12); color: var(--teal); }
.bars { display: flex; align-items: flex-end; gap: 4px; height: 34px; margin-top: 8px; }
.bars i { width: 10px; border-radius: 3px; background: var(--hairline); }
.bars i.me { background: var(--teal); }

/* ---------------------------------------------------------------- números */

.stats { position: relative; margin-top: -40px; z-index: 2; }
.stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--hairline);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
@media (min-width: 820px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--surface); padding: 22px 20px; }
.stat strong { display: block; font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.02em; color: var(--ink); line-height: 1.1; }
.stat span { color: var(--muted); font-size: 0.95rem; }

/* ---------------------------------------------------------------- seções */

section { scroll-margin-top: 16px; }
.section { padding: 88px 0; }
.section-head { max-width: 680px; margin-bottom: 40px; }
.kicker { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); margin: 0 0 10px; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.12; letter-spacing: -0.025em; margin: 0 0 14px; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.08rem; }

.features { display: grid; gap: 16px; }
@media (min-width: 680px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 24px; }
.feature .ic {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(15, 118, 110, 0.1); color: var(--teal); margin-bottom: 16px;
}
.feature h3 { margin: 0 0 6px; font-size: 1.12rem; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* passos */
.steps { display: grid; gap: 16px; counter-reset: step; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; padding: 24px; border-radius: var(--radius); background: linear-gradient(180deg, #fff, #f8fafc); border: 1px solid var(--hairline); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 1.08rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* certificações (faixa escura) */
.certs { background: var(--ink); color: #e6edf6; }
.certs h2 { color: #fff; }
.certs .section-head p { color: #9fb0c4; }
.certs .kicker { color: var(--mint); }
.cert-groups { display: grid; gap: 28px; }
@media (min-width: 820px) { .cert-groups { grid-template-columns: repeat(2, 1fr); } }
.cert-group h3 { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: #9fb0c4; margin: 0 0 12px; font-weight: 700; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li {
  font-size: 0.92rem; padding: 7px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); color: #e6edf6;
}
.tm { margin: 32px 0 0; font-size: 0.85rem; color: #7f8ea3; max-width: 70ch; }

/* assinatura */
.plan {
  display: grid; gap: 28px; align-items: center;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(20, 184, 166, 0.16), transparent 60%),
    var(--surface);
  border: 1px solid var(--hairline); border-radius: 24px; padding: 32px; box-shadow: var(--shadow);
}
@media (min-width: 860px) { .plan { grid-template-columns: 1.2fr 1fr; padding: 44px; } }
.plan h2 { margin-bottom: 10px; }
.plan p { color: var(--muted); margin: 0; }
.plan-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.plan-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 1rem; }
.plan-list svg { flex: none; margin-top: 3px; color: var(--teal); }

/* FAQ */
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--surface); border: 1px solid var(--hairline); border-radius: 14px; padding: 4px 20px; }
.faq summary { cursor: pointer; list-style: none; font-weight: 650; padding: 16px 0; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-weight: 700; font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }
.faq a { color: var(--teal); }

/* rodapé */
footer { background: var(--ink); color: #9fb0c4; padding: 48px 0 40px; font-size: 0.92rem; }
.foot { display: grid; gap: 24px; }
@media (min-width: 820px) { .foot { grid-template-columns: 1fr auto; align-items: start; } }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot nav a { color: #c4cfdd; text-decoration: none; }
.foot nav a:hover { color: #fff; text-decoration: underline; }
.foot .logo { margin-bottom: 10px; }
.foot p { margin: 6px 0 0; max-width: 60ch; }

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