/* css/layout.css */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

section {
  padding-top: var(--spacing-16);
  padding-bottom: var(--spacing-16);
}

@media (min-width: 768px) {
  section {
    padding-top: var(--spacing-24);
    padding-bottom: var(--spacing-24);
  }
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: var(--spacing-4) 0;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  padding: var(--spacing-2) 0;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.nav-links {
  display: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
    gap: var(--spacing-6);
    align-items: center;
  }
}

/* Hero Section */
.hero {
  padding-top: calc(var(--spacing-8) + 80px); /* Espaçamento menor no mobile */
  background: var(--color-secondary);
  color: var(--color-text-main);
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
}

@media (min-width: 992px) {
  .hero {
    padding-top: calc(var(--spacing-24) + 80px); /* Espaçamento maior no desktop */
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  align-items: center;
}

.hero-text {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
  .hero-text {
    text-align: left;
    align-items: flex-start;
  }
}

.hero-text h1 {
  margin-bottom: var(--spacing-6);
  color: var(--color-text-main);
}

.hero-text .subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-8);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Footer */
.site-footer {
  background-color: var(--color-footer);
  color: var(--color-text-light);
  padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.8);
}