/* ============================================
   PORTAL DE SITES — OzTech
   ============================================ */

:root {
  --color-bg: #0a0e1a;
  --color-surface: #111826;
  --color-surface-2: #0d1220;
  --color-border: rgba(63, 169, 245, 0.16);
  --color-border-strong: rgba(63, 169, 245, 0.45);
  --color-text: #e2eaf5;
  --color-text-muted: #7a90b0;
  --color-text-faint: #55688a;
  --color-accent: #3fa9f5;
  --color-accent-2: #00e5ff;
  --color-accent-soft: rgba(63, 169, 245, 0.12);

  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;

  --container-w: 1180px;
  --radius: 14px;
  --transition: 0.25s ease;
}

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

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.6; }

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

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ===== TOPBAR ===== */
.topbar { border-bottom: 1px solid var(--color-border); padding: 22px 0; background: rgba(10,14,26,0.88); backdrop-filter: blur(14px); }
.topbar__inner { display: flex; align-items: center; }
.brand { font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.04em; color: var(--color-accent); }
.brand span { color: var(--color-text-faint); font-weight: 500; }

/* ===== INTRO ===== */
.intro { padding: 90px 0 60px; text-align: center; }
.eyebrow {
  color: var(--color-accent); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 18px;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before, .eyebrow::after { content: ''; width: 22px; height: 1px; background: var(--color-accent); display: inline-block; }
.intro h1 {
  font-family: var(--font-heading); font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; margin-bottom: 20px; color: #fff;
}
.intro__text { color: var(--color-text-muted); font-size: 1.08rem; max-width: 560px; margin-inline: auto; }

/* ===== NICHES GRID ===== */
.niches { padding-bottom: 100px; }
.niches__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}

.niche-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 40px 30px; display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.niche-card--active { cursor: pointer; }
.niche-card--active:hover { transform: translateY(-4px); border-color: var(--color-accent); box-shadow: 0 12px 40px rgba(63,169,245,0.15); }
.niche-card--soon { opacity: 0.55; }

.niche-card__icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--color-accent-soft); color: var(--color-accent);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 24px;
}

.niche-card h2 { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.niche-card p { color: var(--color-text-muted); font-size: 0.92rem; margin-bottom: 18px; }

.niche-card__cta { font-size: 0.88rem; font-weight: 600; color: var(--color-accent); margin-top: auto; }
.niche-card__badge {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--color-text-faint); background: var(--color-surface-2); padding: 6px 12px; border-radius: 999px;
  margin-top: auto;
}

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--color-border); padding: 26px 0; }
.footer__inner { font-size: 0.82rem; color: var(--color-text-faint); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .niches__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .niches__grid { grid-template-columns: 1fr; }
  .intro { padding: 64px 0 40px; }
}