:root {
  --bg-primary: #0A3D2D;
  --bg-surface: #1F1F1F;
  --accent-structure: #106250;
  --text-highlight: #66D5A2;
  --data-glow: #99FFC8;
  --text-neutral: #F5F5F5;
  --border-subtle: rgba(245, 245, 245, 0.1);
  --border-accent: rgba(102, 213, 162, 0.35);
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container: 1240px;
  --radius: 4px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --lens-x: 50%;
  --lens-y: 40%;
  --lens-size: 260px;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-neutral);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* ============ Logo (marca VAW) ============ */
.logo {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
}

.logo__mark {
  display: block;
  width: clamp(60px, 8vw, 78px);
  height: auto;
  color: var(--data-glow);
  filter: drop-shadow(0 0 10px rgba(153, 255, 200, 0.5));
  animation: logo-in 0.9s var(--ease) both;
}

.logo:focus-visible {
  outline: 2px solid var(--data-glow);
  outline-offset: 3px;
}

@keyframes logo-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.main-nav { display: none; gap: 2rem; }
.main-nav a { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }
.main-nav a:hover { color: var(--data-glow); }

.btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--data-glow);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.btn--glow { background: var(--data-glow); color: var(--bg-primary); box-shadow: 0 0 20px rgba(153,255,200,0.35); }
.btn--glow:hover { box-shadow: 0 0 40px rgba(153,255,200,0.7); }
.btn--outline { background: transparent; border-color: var(--border-subtle); }
.btn--outline:hover { border-color: var(--data-glow); color: var(--data-glow); }
.btn--ghost { display: none; background: transparent; color: var(--text-highlight); border-color: var(--border-accent); }
.btn--ghost:hover { background: var(--data-glow); color: var(--bg-surface); }
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.68rem; }

/* ============ LENS HERO ============ */
.hero {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3rem, 10vw, 6rem) 1.25rem clamp(3rem, 8vw, 5rem);
  min-height: min(560px, 85vh);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: none;
  touch-action: pan-y;
}

.hero__chaos,
.hero__lens {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(rgba(245, 245, 245, 0.5) 1px, transparent 1.5px),
    radial-gradient(rgba(245, 245, 245, 0.3) 1px, transparent 1.5px);
  background-size: 34px 34px, 57px 57px;
  background-position: 0 0, 18px 25px;
}

.hero__chaos {
  opacity: 0.35;
  filter: saturate(0) contrast(1.2);
  transform: rotate(1.5deg) scale(1.05);
}

.hero__lens {
  opacity: 1;
  background-image:
    linear-gradient(rgba(102, 213, 162, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 213, 162, 0.4) 1px, transparent 1px),
    radial-gradient(var(--data-glow) 1.5px, transparent 2px);
  background-size: 40px 40px, 40px 40px, 40px 40px;
  mask-image: radial-gradient(circle var(--lens-size) at var(--lens-x) var(--lens-y), black 55%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle var(--lens-size) at var(--lens-x) var(--lens-y), black 55%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  pointer-events: none;
}

.hero__content .btn {
  pointer-events: auto;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-highlight);
  text-shadow: 0 0 20px rgba(10, 61, 45, 0.9);
}

.hero__title {
  font-size: clamp(2.2rem, 8vw, 4.8rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.02em;
  display: flex;
  flex-direction: column;
  text-shadow: 0 2px 24px rgba(10, 61, 45, 0.9);
}

.hero__title .accent { color: var(--data-glow); }

.hero__lead {
  font-size: clamp(1.05rem, 2.8vw, 1.4rem);
  font-weight: 600;
  color: var(--text-highlight);
  margin-top: -0.5rem;
}

.hero__tag {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--data-glow);
  border: 1px solid var(--border-accent);
  width: fit-content;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius);
  background: rgba(10, 61, 45, 0.6);
  backdrop-filter: blur(4px);
}

.hero__caption {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: italic;
  color: rgba(245, 245, 245, 0.65);
}

.hero__attribution {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245, 245, 245, 0.45);
  margin-top: -0.6rem;
}

.hero__desc {
  max-width: 46ch;
  color: rgba(245, 245, 245, 0.85);
  background: rgba(10, 61, 45, 0.35);
  backdrop-filter: blur(2px);
  border-radius: var(--radius);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.25rem;
}

/* ============ TYPEWRITER ============ */
.typewriter-section {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0,0,0,0.15);
  padding: 2.25rem 1.25rem;
  text-align: center;
}

.typewriter {
  max-width: var(--container);
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
  color: rgba(245, 245, 245, 0.5);
}

.typewriter__word {
  color: var(--data-glow);
  font-weight: 700;
  text-shadow: 0 0 18px rgba(153, 255, 200, 0.4);
}

.typewriter__cursor {
  color: var(--data-glow);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ============ PARA QUEM (tag cloud) ============ */
.para-quem {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 0.75rem;
  align-items: center;
}

.tag-item {
  position: relative;
  display: inline-flex;
}

.tag {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(245, 245, 245, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
  cursor: pointer;
}

.tag:hover {
  color: var(--data-glow);
  border-color: var(--data-glow);
  box-shadow: 0 0 22px rgba(153, 255, 200, 0.25);
  transform: scale(1.1);
}

.tag:focus-visible {
  outline: 2px solid var(--data-glow);
  outline-offset: 2px;
}

.tag.is-active {
  color: var(--data-glow);
  border-color: var(--data-glow);
  background: rgba(102, 213, 162, 0.08);
}

/* ============ TOOLTIP DISCRETO POR CATEGORIA ============ */
.tag-tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
  width: max-content;
  max-width: 240px;
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
  color: rgba(245, 245, 245, 0.75);
  text-align: left;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 20;
}

.tag-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--border-accent);
}

.tag-tooltip.is-open {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.tag-tooltip__item {
  display: block;
  padding: 0.2rem 0;
}

.tag-tooltip__item + .tag-tooltip__item {
  border-top: 1px dashed var(--border-subtle);
  margin-top: 0.2rem;
  padding-top: 0.4rem;
}

.section-head { margin-bottom: 2.5rem; }
.section-head__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-highlight);
  margin-bottom: 0.7rem;
}
.section-head__title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; }
.section-head__desc { margin-top: 0.85rem; color: rgba(245,245,245,0.65); max-width: 50ch; }

/* ============ Footer ============ */
.site-footer {
  text-align: center;
  padding: 2.5rem 2rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(245,245,245,0.4);
  border-top: 1px solid var(--border-subtle);
}

.footer__mark {
  display: block;
  width: 56px;
  height: auto;
  margin: 0 auto 0.9rem;
  color: var(--text-highlight);
  opacity: 0.6;
}

.site-footer a {
  color: var(--data-glow);
}

@media (min-width: 720px) {
  .main-nav { display: flex; }
  .btn--ghost { display: inline-flex; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__lens { mask-image: radial-gradient(circle 55% at 50% 45%, black 55%, transparent 100%); -webkit-mask-image: radial-gradient(circle 55% at 50% 45%, black 55%, transparent 100%); }
  .logo__mark { animation: none; }
}