/*
 * 03-components.css — Botões, Logo, Badges
 */

/* ── Botões ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  padding: .72rem 1.6rem;
  border-radius: var(--r-full);
  border: 1.5px solid transparent;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease),
    background var(--t-fast),
    border-color var(--t-fast),
    color var(--t-fast);
}
.btn:focus-visible { outline: 2px solid var(--sky); outline-offset: 3px; }

/* Shimmer effect */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.25) 60%, transparent 70%);
  transform: translateX(-110%);
  transition: transform .5s ease;
}
.btn:hover::after { transform: translateX(110%); }

/* Variants */
.btn--primary {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 16px var(--green-20);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--green-20);
}

.btn--outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-60);
}
.btn--outline:hover {
  border-color: var(--sky-mid);
  color: var(--sky-deep);
  background: var(--sky-10);
}

.btn--ghost {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.28);
  color: var(--white);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.5);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }
.btn--lg   { font-size: .95rem; padding: .85rem 2rem; }

/* Loading state */
.btn.loading { pointer-events: none; opacity: .8; }
.btn.loading .btn-text { opacity: 0; }
.btn.loading::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.35);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ── Logo ────────────────────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-body);
  color: var(--ink);
  text-decoration: none;
}
.logo__mark {
  width: 36px; height: 36px;
  background: var(--sky);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  color: var(--ink);
  flex-shrink: 0;
  transition: background var(--t-fast), color var(--t-fast);
}
.logo:hover .logo__mark { background: var(--sky-mid); color: var(--white); }
.logo__name {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink);
}
.logo__name span { color: var(--green); }

.logo__image {
  height: 90px;
  width: auto;
  flex-shrink: 0;
}