/* ==========================================================================
   Orgganica — Reset, tipografia e utilitários
   ========================================================================== */

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

/* --- Títulos: Titillium Web, sempre em sentence case --------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--f-title);
  font-weight: 600;
  line-height: var(--lh-title);
  letter-spacing: var(--ls-title);
  text-wrap: balance;
}

h1 {
  font-size: var(--t-h1);
  line-height: var(--lh-tight);
}

h2 {
  font-size: var(--t-h2);
}

h3 {
  font-size: var(--t-h3);
}

h4 {
  font-size: var(--t-h4);
}

p {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration-color: rgba(153, 0, 51, 0.35);
  text-underline-offset: 0.18em;
  transition: color var(--dur) var(--ease),
    text-decoration-color var(--dur) var(--ease);
}

a:hover {
  color: var(--c-wine);
  text-decoration-color: var(--c-wine);
}

ul,
ol {
  padding-left: 1.15rem;
}

li + li {
  margin-top: var(--s-2);
}

strong {
  font-weight: 600;
}

/* Ênfase editorial em texto corrido: vinho (8,20:1). Nunca coral. */
.em {
  color: var(--c-wine);
  font-weight: 600;
}

blockquote {
  margin: 0;
}

/* --- Acessibilidade ------------------------------------------------------ */
:focus-visible {
  outline: 3px solid var(--c-wine);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 200;
  padding: var(--s-3) var(--s-5);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 0 0 var(--r-btn) var(--r-btn);
  box-shadow: var(--shadow);
  font-size: var(--t-small);
  font-weight: 600;
  text-decoration: none;
  transform: translate(-50%, -110%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus-visible {
  transform: translate(-50%, 0);
}

/* --- Layout utilitário --------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--read {
  max-width: calc(var(--w-read) + var(--gutter) * 2);
}

.container--narrow {
  max-width: calc(var(--w-narrow) + var(--gutter) * 2);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}

.section--tight {
  padding-block: clamp(2.5rem, 1.8rem + 3vw, 4rem);
}

/* Superfície branca com filetes — separa a seção da base off-white
   sem recorrer a uma segunda inversão escura. */
.section--surface {
  background-color: var(--c-surface);
  border-block: 1px solid var(--c-border);
}

.stack > * + * {
  margin-top: var(--s-4);
}

.stack-lg > * + * {
  margin-top: var(--s-6);
}

.center {
  text-align: center;
}

/* --- Blocos de tipografia recorrentes ------------------------------------ */
.kicker {
  display: block;
  margin-bottom: var(--s-3);
  color: var(--c-wine);
  font-family: var(--f-body);
  font-size: var(--t-kicker);
  font-weight: 600;
  letter-spacing: var(--ls-kicker);
  /* Kicker é a única exceção autorizada à regra de não usar caixa alta. */
  text-transform: uppercase;
}

.lead {
  max-width: 62ch;
  color: var(--c-text-2);
  font-size: var(--t-lead);
  line-height: 1.55;
}

.section-head {
  max-width: 46ch;
  margin-bottom: clamp(2.5rem, 1.8rem + 2.6vw, 4rem);
}

.section-head .lead {
  margin-top: var(--s-4);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center .lead {
  margin-inline: auto;
}

.note {
  color: var(--c-text-3);
  font-size: var(--t-caption);
  line-height: 1.55;
}

/* --- Botões --------------------------------------------------------------
   Em botão coral, o texto vai em #222222 (4,98:1). Nunca branco (3,19:1). */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 48px;
  padding: var(--s-3) var(--s-6);
  border: 1px solid transparent;
  border-radius: var(--r-btn);
  font-size: var(--t-small);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--c-coral);
  color: var(--c-coral-ink);
}

.btn--primary:hover {
  background-color: #e3552c;
  box-shadow: var(--shadow-hover);
  color: var(--c-coral-ink);
}

.btn--secondary {
  background-color: transparent;
  border-color: var(--c-text);
  color: var(--c-text);
}

.btn--secondary:hover {
  background-color: var(--c-text);
  color: var(--c-bg);
}

.btn--ghost {
  padding-inline: 0;
  min-height: 0;
  color: var(--c-wine);
  font-weight: 600;
}

.btn--ghost::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}

.btn--ghost:hover::after {
  transform: translateX(4px);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}

/* Sobre superfície escura, o coral atinge 5,29:1 e pode carregar texto. */
.is-dark .btn--secondary {
  border-color: var(--c-dark-text);
  color: var(--c-dark-text);
}

.is-dark .btn--secondary:hover {
  background-color: var(--c-dark-text);
  color: var(--c-dark);
}

/* --- Cards --------------------------------------------------------------- */
.card {
  padding: clamp(1.5rem, 1.2rem + 1.1vw, 2.25rem);
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
}

.grid {
  display: grid;
  gap: var(--s-5);
}

@media (min-width: 600px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 600px) and (max-width: 899px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Revelação no scroll ------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease),
    transform var(--dur-slow) var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}