/* OtsarDB Comercial — Notreve Tecnologia LTDA */
:root {
  --ink: #474E52;
  --ink-soft: #5B6265;
  --ink-muted: #5f686b;
  --paper: #f2f7f8;
  --paper-deep: #e3f0f3;
  --paper-bright: #ffffff;
  --line: #cfe0e5;
  --accent: #319CB8;
  --accent-strong: #176b80;
  --radius: 12px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { min-width: 320px; margin: 0; color: var(--ink); background: var(--paper); }
a { color: inherit; text-decoration: none; }
.container { width: min(1080px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; top: 10px; left: 12px; z-index: 20; padding: 10px 14px; color: var(--paper); background: var(--accent); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(242, 247, 248, .92); backdrop-filter: blur(16px); }
.nav { position: relative; display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark-wrap { display: grid; place-items: center; flex: 0 0 30px; width: 30px; height: 30px; }
.brand-mark { display: block; width: 30px; height: 30px; }
.brand-copy { display: grid; gap: 2px; }
.brand-name { font-size: .96rem; font-weight: 850; letter-spacing: -.04em; }
.brand-sub { color: var(--ink-muted); font-family: Consolas, monospace; font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--ink-muted); font-size: .76rem; font-weight: 720; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border: 1px solid var(--ink); color: var(--paper); background: var(--ink); font-size: .73rem; font-weight: 800; }
.nav-cta:hover { color: var(--ink); background: var(--accent); }
.menu-button { display: none; width: 38px; height: 38px; padding: 9px; border: 1px solid var(--line); background: transparent; }
.menu-button span { display: block; height: 1px; margin: 5px 0; background: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.language-control select { min-height: 34px; padding: 0 25px 0 9px; border: 1px solid var(--line); border-radius: 3px; color: var(--ink); outline: 0; background: transparent; font-family: Consolas, monospace; font-size: .62rem; font-weight: 800; letter-spacing: .05em; appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 11px) 14px, calc(100% - 7px) 14px; background-size: 4px 4px, 4px 4px; background-repeat: no-repeat; }

.hero { padding: 88px 0 72px; color: var(--paper); background: var(--ink); }
.eyebrow { margin: 0 0 16px; color: #8ed9e5; font-family: Consolas, monospace; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.hero h1 { margin: 0 0 18px; max-width: 680px; font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.12; letter-spacing: -.03em; }
.hero p.lead { margin: 0 0 28px; max-width: 640px; color: #d0e0e4; font-size: 1.05rem; line-height: 1.6; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px; font-size: .82rem; font-weight: 800; }
.button-primary { color: var(--ink); background: var(--accent); }
.button-primary:hover { background: #49c2dd; }
.button-ghost { color: var(--paper); border: 1px solid rgba(255,255,255,.4); }
.button-ghost:hover { border-color: var(--paper); }

.transparency-strip { padding: 12px 0; color: var(--ink-muted); background: var(--paper-deep); border-bottom: 1px solid var(--line); font-size: .82rem; }
.transparency-strip .container { display: flex; align-items: center; gap: 8px; }

.section { padding: 56px 0; }
.section-paper { background: var(--paper); }
.section-white { background: var(--paper-bright); }
.section-kicker { margin: 0 0 10px; color: var(--accent-strong); font-family: Consolas, monospace; font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
h2 { margin: 0 0 14px; font-size: 1.6rem; letter-spacing: -.02em; }
.lead { margin: 0 0 28px; max-width: 680px; color: var(--ink-muted); line-height: 1.6; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.card { display: flex; height: 100%; flex-direction: column; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-bright); }
.card h3 { margin: 0 0 8px; font-size: 1rem; }
.card p { margin: 0; color: var(--ink-muted); font-size: .86rem; line-height: 1.55; }

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

.callout { margin: 22px 0 0; padding: 16px 18px; border-left: 4px solid var(--accent); background: var(--paper-deep); font-size: .88rem; line-height: 1.6; }
.callout strong { display: block; margin-bottom: 4px; }

.center-cta { margin-top: 26px; text-align: center; }

.footer { padding: 48px 0 32px; color: var(--ink-muted); border-top: 1px solid var(--line); background: var(--paper); font-size: .8rem; }
.footer-columns { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-bottom: 28px; }
.footer-col h3 { margin: 0 0 12px; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.footer-col p { margin: 6px 0; line-height: 1.5; }
.footer-col a { color: var(--ink); font-weight: 700; }
.footer-col a:hover { color: var(--accent-strong); }
.footer-brand-col .brand { margin-bottom: 12px; }
.footer-blurb { margin: 10px 0 0; line-height: 1.55; }
.footer-company { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--line); font-size: .72rem; font-family: Consolas, monospace; }

@media (max-width: 760px) {
  html { scroll-padding-top: 80px; }
  .nav { gap: 13px; }
  .brand-sub { display: none; }
  .nav-links { position: absolute; top: 73px; right: 0; left: 0; display: none; gap: 0; padding: 8px; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 18px 50px rgba(71, 78, 82, .12); }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 12px 11px; }
  .nav-actions { margin-left: auto; }
  .nav-cta { display: none; }
  .menu-button { display: block; order: 3; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-columns { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
}