/* ─────────────────────────────────────────────────────────────────────────────
   ENGFER — Reset & Base
───────────────────────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  color: var(--color-graphite);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}

/* Tipografia base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: var(--weight-regular);
  line-height: 1.15;
  color: var(--color-graphite);
}

p {
  color: var(--color-mid);
  line-height: 1.7;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

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

/* Label de seção */
.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-turquoise);
  margin-bottom: var(--space-4);
}

/* Títulos de seção */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--weight-light);
  color: var(--color-graphite);
  line-height: 1.1;
}

/* Separador decorativo */
.section-divider {
  width: 40px;
  height: 1px;
  background-color: var(--color-turquoise);
  margin: var(--space-6) 0;
}

/* Reveal animation classes */
.reveal {
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.js .reveal {
  opacity: 0;
}

.reveal-left {
  transform: translateX(-28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.js .reveal-left {
  opacity: 0;
}

.reveal-right {
  transform: translateX(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.js .reveal-right {
  opacity: 0;
}

.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: translate(0);
}

/* Delay classes para stagger */
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }
.delay-5 { transition-delay: 0.40s; }