:root {
  --teal-900: #0f3d3a;
  --teal-700: #0f766e;
  --teal-600: #14b8a6;
  --teal-50: #f0fdfa;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-alt: #f6fbfa;
  --radius: 16px;
  --shadow: 0 24px 60px -24px rgba(15, 61, 58, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--teal-900); font-weight: 800; letter-spacing: 0.02em; }
.brand-mark {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--teal-700); color: #fff; font-weight: 800;
}
.brand-name { font-size: 1.15rem; }
.nav { display: flex; gap: 28px; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: var(--teal-700); }

/* Hero */
.hero { background: linear-gradient(180deg, var(--teal-50) 0%, var(--bg) 100%); padding: 72px 0; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: #ccfbf1; color: var(--teal-900); font-weight: 600; font-size: 0.8rem;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 20px;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1.15; font-weight: 800; letter-spacing: -0.02em; }
h1 em { font-style: normal; color: var(--teal-700); }
.lead { margin-top: 20px; font-size: 1.1rem; color: var(--muted); max-width: 46ch; }
.cta-row { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 14px 26px; border-radius: 12px;
  font-weight: 600; text-decoration: none; font-size: 0.98rem; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal-700); color: #fff; box-shadow: 0 12px 24px -12px var(--teal-700); }
.btn-primary:hover { background: var(--teal-600); }
.btn-ghost { color: var(--teal-900); border: 1px solid var(--line); background: #fff; }

/* Hero card */
.hero-card {
  background: var(--teal-900); color: #fff; border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow); position: relative;
}
.card-badge {
  position: absolute; top: -12px; right: 24px;
  background: #f59e0b; color: #fff; font-size: 0.72rem; font-weight: 700;
  padding: 4px 12px; border-radius: 999px; letter-spacing: 0.04em; text-transform: uppercase;
}
.hero-card h2 { font-size: 1.45rem; line-height: 1.3; margin-bottom: 20px; }
.card-list { list-style: none; display: grid; gap: 14px; margin-bottom: 28px; }
.card-list li { position: relative; padding-left: 26px; color: #c7e9e6; font-size: 0.95rem; }
.card-list li::before { content: '✓'; position: absolute; left: 0; color: var(--teal-600); font-weight: 700; }
.card-footer { display: flex; align-items: center; gap: 10px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 18px; font-size: 0.85rem; color: #9fcfca; }
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: #34d399; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.02em; }
.section-sub { margin-top: 12px; color: var(--muted); max-width: 60ch; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.feature h3 { color: var(--teal-700); margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 0.95rem; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.step { position: relative; padding-top: 8px; }
.step-num {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--teal-700); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.95rem; }

.contato-inner { text-align: center; }
.contato-inner .section-sub { margin: 12px auto 28px; }
.contato-inner .btn { font-size: 1.05rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 0.85rem; flex-wrap: wrap; gap: 8px; }
.footer-brand { color: var(--teal-700); font-weight: 600; }

@media (max-width: 820px) {
  .hero-inner, .features, .steps { grid-template-columns: 1fr; }
  .nav { gap: 16px; }
}
