/* ===================================================
   Cotton Apps — Base Styles
   Reset, body, tipografia global
   =================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  scroll-padding-top: var(--navbar-h);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  color: var(--color-dark);
  background-color: var(--color-white);
  margin: 0;
  padding-top: var(--navbar-h);
  overflow-x: hidden; /* previne scroll horizontal de transforms de animação */
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.2;
}

p {
  line-height: 1.65;
  color: var(--color-gray-dark);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

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

/* ===== Section Helpers ===== */
.section-label {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: var(--fs-lg);
  color: var(--color-gray-600);
  max-width: 560px;
  margin-bottom: var(--space-xl);
}

/* ===== Utility Classes ===== */
.text-primary-cotton { color: var(--color-primary) !important; }
.text-secondary-cotton { color: var(--color-secondary) !important; }
.bg-primary-cotton   { background-color: var(--color-primary) !important; }
.bg-accent           { background-color: var(--color-primary-accent) !important; }
.bg-light-cotton     { background-color: var(--color-light) !important; }

/* ===== Acessibilidade ===== */

/* Skip link — só visível no foco (teclado) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 10px 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 700;
  font-size: var(--fs-md);
  z-index: 9999;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Focus visible — destaca elementos para navegação por teclado */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Remove outline padrão do mouse mas mantém para teclado */
:focus:not(:focus-visible) {
  outline: none;
}

/* Mínimo de 44x44px para alvos de toque */
.btn-cotton,
.store-btn,
.nav-link {
  min-height: 44px;
}

/* Reduz movimento para quem prefere */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Responsive Helpers ===== */
@media (max-width: 576px) {
  .section-title { font-size: 1.6rem; }
}