/* === Reset + Base === */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-feature-settings: "ss01", "cv02", "cv11";
  font-synthesis: none;
}

img, svg, picture, video { display: block; max-width: 100%; height: auto; }
img { -webkit-user-drag: none; user-select: none; }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

::selection { background: var(--color-accent); color: var(--color-bg-deep); }

/* === Tipografia === */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin: 0;
}

h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); letter-spacing: var(--tracking-display); }
h2 { font-size: var(--fs-h2); line-height: var(--lh-tight); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); }

p { margin: 0; }

/* Eyebrow — pequeno rótulo institucional acima de blocos */
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-ink-mute);
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--color-ink-mute);
}

/* === Layout helpers === */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }
.container--reading { max-width: var(--container-reading); }

.section { padding-top: var(--section-y); padding-bottom: var(--section-y); }
.section--tight { padding-top: var(--s-9); padding-bottom: var(--s-9); }

/* === Botões === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-6);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  transition:
    background var(--t-base) var(--ease-out-quint),
    color var(--t-base) var(--ease-out-quint),
    border-color var(--t-base) var(--ease-out-quint),
    transform var(--t-base) var(--ease-out-quint);
  cursor: pointer;
  white-space: nowrap;
}
.btn .arrow {
  transition: transform var(--t-base) var(--ease-out-quint);
  display: inline-block;
}
.btn:hover .arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-deep);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-soft);
  box-shadow: 0 8px 24px rgba(194,163,97,0.20);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line-strong);
}
.btn--ghost:hover { background: var(--color-bg-elev-2); border-color: var(--color-accent); color: var(--color-accent); }

.btn--solid {
  background: var(--color-ink);
  color: var(--color-bg-deep);
}
.btn--solid:hover { background: var(--color-accent); }

/* Link with underline reveal */
.link-underline {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--color-ink);
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out-quint);
}
.link-underline:hover::after { transform: scaleX(0.5); }

/* === Reveal animations (motion.js applies .is-in) === */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--t-reveal) var(--ease-out-expo),
    transform var(--t-reveal) var(--ease-out-expo);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"].is-in { transition-delay: 80ms; }
[data-reveal-delay="2"].is-in { transition-delay: 160ms; }
[data-reveal-delay="3"].is-in { transition-delay: 240ms; }
[data-reveal-delay="4"].is-in { transition-delay: 320ms; }
[data-reveal-delay="5"].is-in { transition-delay: 400ms; }

/* Word-by-word reveal in hero headline */
.split-line {
  display: block;
  /* clip-path clips only the vertical edges (for the slide-up reveal) and
     leaves horizontal free, so long lines can extend without being cut. */
  clip-path: inset(0 -100vw);
  padding-bottom: 0.18em;
  margin-bottom: -0.12em;
}
.split-line > span {
  display: block;
  white-space: nowrap;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease-out-expo);
}
.is-in .split-line > span { transform: translateY(0); }
.is-in .split-line:nth-child(1) > span { transition-delay: 80ms; }
.is-in .split-line:nth-child(2) > span { transition-delay: 200ms; }
.is-in .split-line:nth-child(3) > span { transition-delay: 320ms; }

/* === Inverse section (deeper black) === */
.inverse {
  background: var(--color-bg-deep);
  color: var(--color-ink);
}
.inverse h1, .inverse h2, .inverse h3 { color: var(--color-ink); }
.inverse .eyebrow { color: var(--color-ink-mute); }
.inverse .eyebrow::before { background: var(--color-accent); }

/* === Utility === */
.muted { color: var(--color-ink-mute); }
.lead {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-ink-soft);
  font-weight: 400;
}
.balance { text-wrap: balance; }
.pretty { text-wrap: pretty; }

.divider {
  height: 1px;
  background: var(--color-line);
  border: 0;
  margin: 0;
}

.hidden { display: none !important; }

@media (max-width: 720px) {
  .desktop-only { display: none !important; }
}
@media (min-width: 721px) {
  .mobile-only { display: none !important; }
}

/* === Visually hidden (for SEO/screen readers, e.g. semantic H1) === */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* === Hero name kicker — small label inside hero-eyebrow === */
.hero-name-kicker {
  font-family: var(--font-mono);
  letter-spacing: 0.32em;
  text-transform: uppercase;
}