/* ===== TeruPartners Consulting — site institucional (www.trulycipher.com) ===== */
:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --ink: #1c2333;
  --ink-soft: #5a6478;
  --line: #e3e8f0;
  --accent: #1d4ed8;
  --accent-dark: #0f2c7c;
  --accent-soft: #eff4ff;
  --good: #047857;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
  --shadow-lg: 0 10px 30px rgba(16, 24, 40, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
a { color: var(--accent); }

/* ---------- Topbar (sticky) ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; color: var(--ink); }
.brand-logo {
  width: 46px; height: 46px; flex-shrink: 0; object-fit: contain;
  background: #fff; border: 0.5px solid var(--line); border-radius: 10px; padding: 4px; box-shadow: var(--shadow);
}
.brand-text { display: flex; flex-direction: column; }
.brand-co { margin: 0; font-size: 1.02rem; font-weight: 800; letter-spacing: .1px; color: var(--accent-dark); line-height: 1.1; }
.brand-sub { margin: 3px 0 0; font-size: .7rem; font-weight: 600; color: var(--ink-soft); letter-spacing: .08em; text-transform: uppercase; }
.mainnav { display: flex; gap: 4px; margin-left: auto; }
.mainnav a {
  text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: .92rem;
  padding: 8px 12px; border-radius: 8px; transition: color .12s, background .12s;
}
.mainnav a:hover { color: var(--accent); background: var(--accent-soft); }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.lang-switch { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button {
  background: transparent; color: var(--ink-soft); border: none; padding: 6px 12px;
  font-size: .78rem; font-weight: 700; cursor: pointer;
}
.lang-switch button.active { background: var(--accent); color: #fff; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: #fff; padding: 76px 0 84px;
}
.hero-eyebrow { margin: 0 0 14px; font-size: .82rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; opacity: .82; }
.hero h1 { margin: 0; color: #fff; font-size: 2.6rem; line-height: 1.15; max-width: 16ch; }
.hero-lead { margin: 20px 0 0; font-size: 1.12rem; max-width: 62ch; opacity: .94; }
.hero-cta { margin: 30px 0 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-badges span {
  font-size: .82rem; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.22);
  padding: 7px 13px; border-radius: 999px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: .95rem;
  padding: 12px 22px; border-radius: 10px; cursor: pointer; transition: transform .12s, box-shadow .12s, background .12s; border: none;
}
.btn-primary { background: #fff; color: var(--accent-dark); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
/* Inside light sections, primary button uses brand color */
.section .btn-primary, .contact-form .btn-primary { background: var(--accent); color: #fff; }
.section .btn-primary:hover, .contact-form .btn-primary:hover { background: var(--accent-dark); }

/* ---------- Sections ---------- */
.section { padding: 70px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-eyebrow { margin: 0 0 6px; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.sec-title { margin: 0; font-size: 1.9rem; }
.sec-lead { margin: 14px 0 36px; font-size: 1.05rem; color: var(--ink-soft); max-width: 70ch; }

/* About features */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.section-alt .feature { background: var(--bg); }
.feature-ic { font-size: 1.8rem; }
.feature h3 { margin: 10px 0 6px; font-size: 1.08rem; }
.feature p { margin: 0; font-size: .92rem; color: var(--ink-soft); }

/* Services grid */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.svc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); transition: transform .12s, box-shadow .12s, border-color .12s; }
.section-alt .svc-card { background: var(--bg); }
.svc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.svc-ic { font-size: 2rem; }
.svc-card h3 { margin: 10px 0 6px; font-size: 1.12rem; }
.svc-card p { margin: 0; font-size: .92rem; color: var(--ink-soft); }

/* Simulator band */
.sim-band {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent)); color: #fff;
  border-radius: 18px; padding: 40px; display: flex; align-items: center; gap: 30px; justify-content: space-between; flex-wrap: wrap;
}
.sim-band .sec-eyebrow { color: rgba(255,255,255,.85); }
.sim-band .sec-title { color: #fff; }
.sim-band .sec-lead { color: rgba(255,255,255,.92); margin-bottom: 0; }
.sim-text { flex: 1; min-width: 280px; }

/* Useful links */
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.link-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px;
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: .95rem; box-shadow: var(--shadow);
  transition: transform .12s, border-color .12s, color .12s;
  display: flex; align-items: center; gap: 11px;
}
.link-ico { width: 22px; height: 22px; flex-shrink: 0; object-fit: contain; border-radius: 4px; }
.link-emoji { width: 22px; flex-shrink: 0; font-size: 1.15rem; text-align: center; line-height: 1; }
.section-alt .link-card { background: var(--bg); }
.link-card:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.contact-info, .contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.ci-row { display: flex; align-items: flex-start; gap: 12px; margin: 0 0 16px; font-size: .98rem; }
.ci-row a { text-decoration: none; }
.ci-ic { font-size: 1.2rem; flex-shrink: 0; }
.social-row { display: flex; align-items: center; gap: 16px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .95rem; }
.social-row span { color: var(--ink-soft); font-weight: 600; }
.social-row a { text-decoration: none; font-weight: 600; }
.contact-form h3 { margin: 0 0 8px; font-size: 1.2rem; }
.contact-form p { color: var(--ink-soft); font-size: .95rem; }
.contact-form .btn { margin: 8px 0 14px; }
.form-hint { font-size: .88rem; }

/* Footer */
.site-footer { background: var(--ink); color: #cdd4e0; padding: 40px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand { margin: 0 0 6px; color: #fff; font-weight: 700; }
.footer-inner p { margin: 0; font-size: .9rem; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.footer-links a { color: #cdd4e0; text-decoration: none; font-size: .92rem; font-weight: 600; }
.footer-links a:hover { color: #fff; }
.footer-copy { margin: 18px 0 0; font-size: .82rem; color: #8b94a6; }
.footer-legal { margin: 8px 0 0 !important; font-size: .76rem; color: #8b94a6; max-width: 62ch; }
.footer-ral { margin: 16px 0 0; font-size: .76rem; color: #8b94a6; max-width: 90ch; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .mainnav {
    position: fixed; top: 67px; right: 0; left: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
    box-shadow: var(--shadow-lg); display: none;
  }
  .mainnav.open { display: flex; }
  .mainnav a { padding: 12px 8px; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .sim-band { padding: 30px; }
}