:root {
  --navy-900: #0a2540;
  --navy-800: #0d3860;
  --navy-700: #123c5e;
  --blue-500: #1f6fb2;
  --blue-400: #4a9fe0;
  --ink: #16232f;
  --muted: #5c6b7a;
  --bg: #f6f8fb;
  --card-bg: #ffffff;
  --border: #e3e8ef;
  --radius: 14px;
  --max-width: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

main { flex: 1 0 auto; }
.site-footer { flex-shrink: 0; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 37, 64, 0.96);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark-svg { flex-shrink: 0; }

.brand-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.brand-gmv { color: var(--blue-400); font-weight: 800; }
.brand-labs { color: #fff; font-weight: 500; }

.brand-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.28);
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: #cfe0f2;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.main-nav a:hover { color: #fff; }
.main-nav a.active { color: #fff; font-weight: 600; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* Hero */
.hero {
  background: radial-gradient(circle at 20% 20%, var(--navy-700), var(--navy-900) 70%);
  color: #fff;
  padding: 110px 0 90px;
}

.hero-inner { max-width: 720px; }

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero h1 span { color: var(--blue-400); }

.hero-sub {
  font-size: 1.15rem;
  color: #c9d8e8;
  margin: 0 0 36px;
  max-width: 560px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--blue-400);
  color: var(--navy-900);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(74, 159, 224, 0.35);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

/* Page header (inner pages) */
.page-header {
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  color: #fff;
  padding: 64px 0 56px;
}

.page-header h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-header p {
  margin: 0;
  color: #c9d8e8;
  font-size: 1.05rem;
  max-width: 600px;
}

/* Product teaser (home) */
.product-teaser {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: 0 20px 50px -30px rgba(10, 37, 64, 0.25);
  text-decoration: none;
  flex-wrap: wrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.product-teaser:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 50px -26px rgba(10, 37, 64, 0.35);
}

.product-teaser img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  flex-shrink: 0;
}

.product-teaser .info { flex: 1; min-width: 200px; }

.product-teaser h3 {
  margin: 0 0 4px;
  font-size: 1.2rem;
  color: var(--navy-900);
}

.product-teaser .info p {
  margin: 0;
  color: var(--muted);
}

.teaser-link {
  color: var(--blue-500);
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
}

.link-arrow {
  display: inline-block;
  margin-top: 20px;
  color: var(--blue-500);
  font-weight: 600;
  text-decoration: none;
}

.link-arrow:hover { text-decoration: underline; }

/* Sections */
.section { padding: 90px 0; }

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--navy-900);
}

.section-sub {
  color: var(--muted);
  margin: 0 0 48px;
  font-size: 1.05rem;
}

/* Product card */
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 20px 50px -30px rgba(10, 37, 64, 0.25);
}

.product-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.product-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  flex-shrink: 0;
}

.product-header h3 {
  margin: 0 0 4px;
  font-size: 1.4rem;
  color: var(--navy-900);
}

.product-tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.badge {
  margin-left: auto;
  background: #eaf3fb;
  color: var(--blue-500);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.product-description {
  color: var(--ink);
  font-size: 1.02rem;
  max-width: 680px;
  margin: 0 0 32px;
}

.feature-list {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 32px;
}

.feature-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 18px;
  border-left: 3px solid var(--blue-400);
}

.feature-list strong {
  color: var(--navy-900);
  font-size: 0.98rem;
}

.feature-list span {
  color: var(--muted);
  font-size: 0.92rem;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.screenshots img {
  width: 100%;
  border-radius: 20px;
  border: 6px solid var(--navy-900);
  box-shadow: 0 20px 40px -20px rgba(10, 37, 64, 0.4);
}

.product-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.coming-soon {
  font-weight: 600;
  color: var(--navy-800);
  background: #eef3f8;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.92rem;
}

/* Sobre */
.sobre { background: #eef3f8; }
.sobre-inner { max-width: 720px; }
.sobre p, .sobre-page p { color: var(--muted); font-size: 1.05rem; }

/* Contato */
.contato-inner { max-width: 620px; }
.contato p { color: var(--muted); margin-bottom: 28px; font-size: 1.05rem; }

/* Footer */
.site-footer {
  background: var(--navy-900);
  color: #9fb3c8;
  padding: 28px 0;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 860px) {
  .feature-list { grid-template-columns: 1fr; }
  .screenshots { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .product-card { padding: 28px; }
}

@media (max-width: 700px) {
  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy-900);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .main-nav.open { max-height: 240px; }
  .main-nav a {
    padding: 16px 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .nav-toggle { display: flex; }
  .hero { padding: 80px 0 60px; }
  .section { padding: 64px 0; }
  .screenshots { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .product-header { flex-wrap: wrap; }
  .badge { margin-left: 0; }
  .page-header { padding: 48px 0 40px; }
  .product-teaser { padding: 22px; gap: 16px; }
  .product-teaser .badge { margin-left: 0; }
}