/* ATMOS — Landing temporária
   Minimalista, editorial, premium. */

@font-face {
  font-family: 'system';
  src: local('Helvetica Neue'), local('Helvetica'), local('Arial');
}

:root {
  --bg: #0c0c0c;
  --fg: #f5f3ef;
  --muted: #9a958d;
  --line: #2a2a28;
  --max-width: 720px;
}

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

html, body {
  height: 100%;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: -apple-system, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 6vh 6vw;
  text-align: center;
}

/* Brand */
.brand {
  width: 100%;
}

.brand span {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--fg);
}

/* Hero */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 1.75rem;
}

.headline {
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.25;
  color: var(--fg);
}

.subheadline {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.support {
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  font-weight: 300;
  color: var(--muted);
  max-width: 520px;
  margin-top: 0.5rem;
}

/* CTA */
.cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.9rem 2.4rem;
  border: 1px solid var(--fg);
  color: var(--fg);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.cta:hover {
  background-color: var(--fg);
  color: var(--bg);
}

/* Footer */
.footer {
  width: 100%;
  padding-top: 4vh;
  border-top: 1px solid var(--line);
  margin-top: 6vh;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--fg);
}

.rights {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* Responsive tweaks */
@media (max-width: 600px) {
  .page {
    padding: 5vh 7vw;
  }

  .brand span {
    font-size: 0.8rem;
    letter-spacing: 0.28em;
  }

  .hero {
    gap: 1.25rem;
  }

  .cta {
    width: 100%;
  }
}