/* =============================================================
   NUTRIPLAN TRANSITION — GLOBAL CSS
   Reset, base tipográfica, utilitários, grid, acessibilidade
   ============================================================= */
@import url('tokens.css');

/* ——————————————————————————————————————————
   RESET MODERNO
   —————————————————————————————————————————— */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-terra);
  background-color: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ——————————————————————————————————————————
   ACESSIBILIDADE
   —————————————————————————————————————————— */
/* Foco visível para navegação por teclado */
:focus-visible {
  outline: 3px solid var(--color-verde);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip to main content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  padding: var(--space-3) var(--space-6);
  background: var(--color-terra);
  color: var(--color-off-white);
  font-weight: var(--weight-semibold);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 0;
}

/* Reduz movimento para quem prefere */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ——————————————————————————————————————————
   CONTAINER
   —————————————————————————————————————————— */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: 800px;
}

/* ——————————————————————————————————————————
   GRID
   —————————————————————————————————————————— */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

/* ——————————————————————————————————————————
   TIPOGRAFIA GLOBAL
   —————————————————————————————————————————— */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-terra);
}

h1 { font-size: var(--text-hero);   font-weight: var(--weight-medium); }
h2 { font-size: var(--text-4xl);   font-weight: var(--weight-medium); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  line-height: var(--leading-relaxed);
  color: var(--color-terra-muted);
}

.text-lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-terra-muted);
}

.text-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.text-center { text-align: center; }
.text-on-dark { color: var(--color-off-white); }
.text-on-dark p { color: rgba(245, 237, 224, 0.75); }
.text-on-dark h1,
.text-on-dark h2,
.text-on-dark h3 { color: var(--color-off-white); }

/* ——————————————————————————————————————————
   BOTÕES
   —————————————————————————————————————————— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-fast),
              box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Primário — marrom terra (CTA principal) */
.btn--primary {
  background-color: var(--color-terra-btn);
  color: var(--color-off-white);
  border-color: var(--color-terra-btn);
}
.btn--primary:hover {
  background-color: var(--color-terra-light);
  border-color: var(--color-terra-light);
  box-shadow: 0 6px 20px rgba(74, 36, 23, 0.30);
}

/* Secundário — outline marrom */
.btn--outline {
  background-color: transparent;
  color: var(--color-terra);
  border-color: var(--color-terra);
}
.btn--outline:hover {
  background-color: var(--color-terra);
  color: var(--color-off-white);
}

/* Ghost — sobre fundo escuro */
.btn--ghost-light {
  background-color: rgba(245, 237, 224, 0.15);
  color: var(--color-off-white);
  border-color: rgba(245, 237, 224, 0.40);
  backdrop-filter: blur(4px);
}
.btn--ghost-light:hover {
  background-color: rgba(245, 237, 224, 0.25);
  border-color: var(--color-off-white);
}

/* Verde — para seções verde */
.btn--verde {
  background-color: var(--color-terra-btn);
  color: var(--color-off-white);
  border-color: var(--color-terra-btn);
}
.btn--verde:hover {
  background-color: var(--color-terra-light);
  border-color: var(--color-terra-light);
}

/* Tamanhos */
.btn--sm {
  padding: 0.625rem var(--space-5);
  font-size: var(--text-sm);
}
.btn--lg {
  padding: 1.125rem var(--space-10);
  font-size: var(--text-lg);
}

/* ——————————————————————————————————————————
   BADGE DE MARCA
   —————————————————————————————————————————— */
.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  border: 1.5px solid currentColor;
}

/* ——————————————————————————————————————————
   SEÇÕES
   —————————————————————————————————————————— */
.section {
  padding-block: var(--section-py);
}

.section--sm {
  padding-block: var(--section-py-sm);
}

.section__header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-verde-dark);
  margin-bottom: var(--space-4);
}

.section__label--light {
  color: rgba(200, 230, 60, 0.80);
}

/* ——————————————————————————————————————————
   IMAGENS
   —————————————————————————————————————————— */
.aspect-hero     { aspect-ratio: 16/9; object-fit: cover; }
.aspect-square   { aspect-ratio: 1/1; object-fit: cover; }
.aspect-portrait { aspect-ratio: 3/4; object-fit: cover; }
.aspect-wide     { aspect-ratio: 21/9; object-fit: cover; }

/* ——————————————————————————————————————————
   UTILITÁRIOS DE FUNDO
   —————————————————————————————————————————— */
.bg-verde     { background-color: var(--color-verde); }
.bg-terra     { background-color: var(--color-terra); }
.bg-off-white { background-color: var(--color-off-white); }
.bg-bege      { background-color: var(--color-bege); }
.bg-white     { background-color: var(--color-white); }

/* ——————————————————————————————————————————
   SEPARADORES
   —————————————————————————————————————————— */
.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-bege);
}

.divider--verde {
  background-color: var(--color-verde);
  height: 2px;
  width: 4rem;
}

/* ——————————————————————————————————————————
   ANIMAÇÕES
   —————————————————————————————————————————— */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-slow) both;
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) both;
}

/* Delays para animações sequenciais */
.delay-1 { animation-delay: 100ms; }
.delay-2 { animation-delay: 200ms; }
.delay-3 { animation-delay: 300ms; }
.delay-4 { animation-delay: 400ms; }
.delay-5 { animation-delay: 500ms; }

/* ——————————————————————————————————————————
   SCROLLBAR PERSONALIZADA
   —————————————————————————————————————————— */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bege-light); }
::-webkit-scrollbar-thumb {
  background: var(--color-terra-muted);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-terra); }

/* ——————————————————————————————————————————
   SELEÇÃO DE TEXTO
   —————————————————————————————————————————— */
::selection {
  background-color: var(--color-verde);
  color: var(--color-terra);
}