/* ============================================================
   BASE — reset, tipografia, utilitários globais
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

@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;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 var(--sp-4);
  font-weight: 600;
}

h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.28rem;
}

p {
  margin: 0 0 var(--sp-4);
  color: var(--ink-soft);
}

strong {
  color: var(--ink);
  font-weight: 650;
}

:focus-visible {
  outline: 2px solid var(--brand-light);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(23, 199, 154, 0.28);
  color: var(--ink);
}

/* ---------- Layout helpers ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  position: relative;
  padding: var(--sp-24) 0;
}

@media (max-width: 720px) {
  .section {
    padding: var(--sp-16) 0;
  }
}

.section-light {
  background: var(--surface);
}

.section-muted {
  background: var(--surface-2);
}

.section-dark {
  background: var(--dark-bg);
  color: var(--dark-ink);
  overflow: hidden;
}

.section-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-mesh-dark);
  pointer-events: none;
}

.section-dark::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 100%);
  pointer-events: none;
}

.section-dark h2,
.section-dark h3 {
  color: var(--dark-ink);
}

.section-dark p {
  color: var(--dark-muted);
}

.section-dark .container,
.section-dark .container-narrow {
  position: relative;
  z-index: 1;
}

.section-header {
  max-width: 680px;
  margin: 0 auto var(--sp-16);
  text-align: center;
}

.section-header p {
  font-size: 1.08rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-2);
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 7px 16px 7px 12px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-5);
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 3px rgba(23, 199, 154, 0.18);
}

.section-dark .eyebrow {
  background: var(--dark-surface);
  border-color: var(--dark-line);
  color: #bdeee1;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}

@media (max-width: 860px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

@media (max-width: 980px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.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;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--r-sm);
  z-index: 999;
  transition: top var(--t-fast);
}

.skip-link:focus {
  top: 12px;
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  transition-delay: calc(var(--i, 0) * 90ms);
}