/* ============================================================
   ART DIRECTION: Dark cyberpunk portfolio — Otávio Cruz
   Palette: deep black surfaces, neon cyan primary, neon magenta accent
   Typography: Share Tech Mono (display) + Inter (body)
   Density: spacious with tight code-like sections
============================================================ */

:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --color-bg: #080810;
  --color-surface: #0d0d1a;
  --color-surface-2: #111124;
  --color-surface-offset: #161628;
  --color-border: rgba(0,255,255,0.12);
  --color-divider: rgba(0,255,255,0.07);

  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-faint: #475569;
  --color-text-inverse: #080810;

  --neon-cyan: #00fff7;
  --neon-magenta: #ff00c8;
  --neon-green: #39ff14;
  --color-primary: #00fff7;
  --color-primary-glow: rgba(0,255,247,0.3);
  --color-accent: #ff00c8;
  --color-accent-glow: rgba(255,0,200,0.3);

  --radius-sm: 0.25rem; --radius-md: 0.5rem;
  --radius-lg: 0.75rem; --radius-xl: 1rem;
  --font-display: 'Share Tech Mono', 'Rajdhani', monospace;
  --font-body: 'Inter', system-ui, sans-serif;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
a { color: inherit; text-decoration: none; transition: color var(--transition-interactive); }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* SCANLINE OVERLAY */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px
  );
}

/* GRID BACKGROUND */
.grid-bg {
  background-image:
    linear-gradient(rgba(0,255,247,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,247,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ============================================================ NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background: rgba(8,8,16,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--neon-cyan);
  text-shadow: 0 0 12px var(--color-primary-glow), 0 0 32px var(--color-primary-glow);
  letter-spacing: 0.05em;
}
.nav-logo span { color: var(--neon-magenta); text-shadow: 0 0 12px var(--color-accent-glow); }
.nav-links { display: flex; gap: var(--space-8); align-items: center; }
.nav-links a {
  font-family: var(--font-display); font-size: var(--text-sm);
  color: var(--color-text-muted); letter-spacing: 0.1em; text-transform: uppercase;
  padding: var(--space-2) 0; border-bottom: 1px solid transparent;
  transition: color var(--transition-interactive), border-color var(--transition-interactive), text-shadow var(--transition-interactive);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--neon-cyan); border-bottom-color: var(--neon-cyan);
  text-shadow: 0 0 8px var(--color-primary-glow);
}
.hamburger { display: none; flex-direction: column; gap: 5px; padding: var(--space-2); }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--neon-cyan); border-radius: 2px; transition: all 0.3s; }
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none; position: fixed; top: 60px; left: 0; right: 0; bottom: 0;
    flex-direction: column; justify-content: center; align-items: center; gap: var(--space-12);
    background: rgba(8,8,16,0.97); backdrop-filter: blur(20px); font-size: var(--text-lg);
  }
  .nav-links.open { display: flex; }
}

/* ============================================================ PAGE LOADER */
#page-container { min-height: calc(100dvh - 70px); padding-top: 70px; }

.page-loading {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100dvh - 70px);
  font-family: var(--font-display); font-size: var(--text-sm);
  color: var(--color-text-faint); letter-spacing: 0.3em; text-transform: uppercase;
}
.page-loading::after {
  content: '';
  display: inline-block; width: 8px; height: 8px;
  background: var(--neon-cyan); border-radius: 50%;
  margin-left: var(--space-3);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.3;transform:scale(0.6)} }

/* ============================================================ HERO */
.hero {
  min-height: calc(100dvh - 70px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-16) var(--space-8);
  position: relative; overflow: hidden;
}
.hero-bg-glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 70% 50%, rgba(0,255,247,0.04) 0%, transparent 70%),
              radial-gradient(ellipse 40% 60% at 20% 70%, rgba(255,0,200,0.04) 0%, transparent 70%);
}
.hero-content {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-16); align-items: center;
  max-width: 1200px; width: 100%; position: relative; z-index: 1;
}
.hero-label {
  font-family: var(--font-display); font-size: var(--text-xs);
  color: var(--neon-cyan); letter-spacing: 0.3em; text-transform: uppercase;
  margin-bottom: var(--space-4); opacity: 0.8;
}

/* CHROMATIC ABERRATION NAME */
.hero-name {
  font-family: var(--font-display); font-size: var(--text-3xl);
  font-weight: 700; line-height: 1.05; color: var(--color-text); margin-bottom: var(--space-4);
}
.chroma-name {
  position: relative; display: inline-block;
  color: var(--neon-cyan);
  animation: chromaShift 4s ease-in-out infinite;
}
.chroma-name::before,
.chroma-name::after {
  content: attr(data-text);
  position: absolute; top: 0; left: 0; width: 100%; overflow: hidden;
  font-family: inherit; font-size: inherit; font-weight: inherit; line-height: inherit;
  pointer-events: none;
}
.chroma-name::before { color: var(--neon-magenta); animation: chromaRed 4s ease-in-out infinite; mix-blend-mode: screen; }
.chroma-name::after  { color: #00e5ff; animation: chromaBlue 4s ease-in-out infinite; mix-blend-mode: screen; }
@keyframes chromaShift {
  0%, 100% { text-shadow: 0 0 20px rgba(0,255,247,0.5), 0 0 60px rgba(0,255,247,0.15); }
  25%  { text-shadow: 0 0 30px rgba(0,255,247,0.7), 0 0 80px rgba(0,255,247,0.2), 0 0 120px rgba(0,255,247,0.05); }
  50%  { text-shadow: 0 0 15px rgba(0,255,247,0.4), 0 0 40px rgba(255,0,200,0.1); }
  75%  { text-shadow: 0 0 25px rgba(0,255,247,0.6), 0 0 70px rgba(0,255,247,0.18); }
}
@keyframes chromaRed {
  0%   { transform: translate(0px, 0px); opacity: 0; }
  10%  { opacity: 0.7; }
  20%  { transform: translate(-3px, 1px); opacity: 0.8; }
  35%  { transform: translate(2px, -1px); opacity: 0.5; }
  50%  { transform: translate(-2px, 0px); opacity: 0.9; }
  65%  { transform: translate(3px, 1px); opacity: 0.6; }
  80%  { transform: translate(-1px, -1px); opacity: 0.7; }
  90%  { opacity: 0.4; }
  100% { transform: translate(0px, 0px); opacity: 0; }
}
@keyframes chromaBlue {
  0%   { transform: translate(0px, 0px); opacity: 0; }
  10%  { opacity: 0.6; }
  20%  { transform: translate(3px, -1px); opacity: 0.7; }
  35%  { transform: translate(-2px, 1px); opacity: 0.4; }
  50%  { transform: translate(2px, 0px); opacity: 0.8; }
  65%  { transform: translate(-3px, -1px); opacity: 0.5; }
  80%  { transform: translate(1px, 1px); opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { transform: translate(0px, 0px); opacity: 0; }
}

.hero-tagline {
  font-family: var(--font-display); font-size: var(--text-xl);
  color: var(--neon-magenta); text-shadow: 0 0 16px var(--color-accent-glow);
  margin-bottom: var(--space-6); min-height: 2.5rem;
}
.cursor-blink { animation: blink 1s step-end infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc {
  color: var(--color-text-muted); font-size: var(--text-base);
  max-width: 50ch; margin-bottom: var(--space-8); line-height: 1.7;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-8); }
.badge {
  font-family: var(--font-display); font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3); border: 1px solid rgba(0,255,247,0.25);
  border-radius: var(--radius-sm); color: var(--neon-cyan); background: rgba(0,255,247,0.05);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.badge.magenta { border-color: rgba(255,0,200,0.25); color: var(--neon-magenta); background: rgba(255,0,200,0.05); }
.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.btn-primary {
  font-family: var(--font-display); font-size: var(--text-sm);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: var(--space-3) var(--space-6); border: 1px solid var(--neon-cyan);
  background: rgba(0,255,247,0.08); color: var(--neon-cyan); border-radius: var(--radius-sm);
  text-shadow: 0 0 8px var(--color-primary-glow);
  box-shadow: 0 0 12px rgba(0,255,247,0.1), inset 0 0 12px rgba(0,255,247,0.03);
  transition: all var(--transition-interactive);
}
.btn-primary:hover { background: rgba(0,255,247,0.18); box-shadow: 0 0 24px rgba(0,255,247,0.2), inset 0 0 24px rgba(0,255,247,0.06); }
.btn-ghost {
  font-family: var(--font-display); font-size: var(--text-sm);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: var(--space-3) var(--space-6); border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-text-muted); border-radius: var(--radius-sm);
  transition: all var(--transition-interactive);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.3); color: var(--color-text); }

/* CUBE */
.cube-wrapper { display: flex; align-items: center; justify-content: center; perspective: 600px; }
.scene { width: 180px; height: 180px; perspective: 600px; }
.cubo {
  width: 180px; height: 180px; position: relative;
  transform-style: preserve-3d;
  animation: rotateCube 10s infinite linear;
}
@keyframes rotateCube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}
.face {
  position: absolute; width: 180px; height: 180px;
  border: 1px solid rgba(0,255,247,0.5);
  background: rgba(0,255,247,0.03);
  box-shadow: inset 0 0 30px rgba(0,255,247,0.08), 0 0 20px rgba(0,255,247,0.05);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: var(--text-xs);
  color: rgba(0,255,247,0.4); letter-spacing: 0.2em; text-transform: uppercase;
}
.frente  { transform: translateZ(90px); }
.traz    { transform: rotateY(180deg) translateZ(90px); }
.direita { transform: rotateY(90deg) translateZ(90px); }
.esquerda{ transform: rotateY(-90deg) translateZ(90px); }
.cima    { transform: rotateX(90deg) translateZ(90px); }
.baixo   { transform: rotateX(-90deg) translateZ(90px); }

@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .cube-wrapper { order: -1; }
  .hero-badges, .hero-cta { justify-content: center; }
}

/* ============================================================ SECTIONS */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-8);
  max-width: 1200px; margin-inline: auto;
}
.section-header { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-12); }
.section-number { font-family: var(--font-display); font-size: var(--text-xs); color: var(--neon-cyan); letter-spacing: 0.3em; opacity: 0.6; }
.section-title { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); letter-spacing: 0.05em; }
.section-title .glow { color: var(--neon-cyan); text-shadow: 0 0 12px var(--color-primary-glow); }
.section-line { flex: 1; height: 1px; background: linear-gradient(90deg, rgba(0,255,247,0.3), transparent); }

/* ============================================================ PROJECT CARDS */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr)); gap: var(--space-6);
}
.project-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-6);
  position: relative; overflow: hidden;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  opacity: 0; transition: opacity var(--transition-interactive);
}
.project-card:hover { border-color: rgba(0,255,247,0.3); box-shadow: 0 0 30px rgba(0,255,247,0.06); transform: translateY(-2px); }
.project-card:hover::before { opacity: 1; }
.project-card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--space-4); }
.project-tag { font-family: var(--font-display); font-size: var(--text-xs); color: var(--neon-magenta); letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.8; }
.project-links { display: flex; gap: var(--space-3); }
.project-links a { color: var(--color-text-faint); transition: color var(--transition-interactive); display: flex; align-items: center; }
.project-links a:hover { color: var(--neon-cyan); }
.project-links a svg { width: 18px; height: 18px; }
.project-title { font-family: var(--font-display); font-size: var(--text-lg); color: var(--color-text); margin-bottom: var(--space-3); letter-spacing: 0.03em; }
.project-desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-5); }
.project-tech { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tech-pill {
  font-family: var(--font-display); font-size: var(--text-xs);
  padding: 2px var(--space-2); background: rgba(0,255,247,0.06);
  border: 1px solid rgba(0,255,247,0.15); border-radius: var(--radius-sm);
  color: var(--neon-cyan); letter-spacing: 0.05em; opacity: 0.85;
}

/* ============================================================ TIMELINE */
.timeline { position: relative; padding-left: var(--space-8); }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent, var(--neon-cyan) 10%, rgba(0,255,247,0.3) 80%, transparent);
}
.timeline-item { position: relative; margin-bottom: var(--space-12); }
.timeline-dot {
  position: absolute; left: calc(-1 * var(--space-8) - 5px); top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--neon-cyan); box-shadow: 0 0 10px var(--color-primary-glow), 0 0 20px rgba(0,255,247,0.2);
}
.timeline-dot.magenta { background: var(--neon-magenta); box-shadow: 0 0 10px var(--color-accent-glow); }
.timeline-year { font-family: var(--font-display); font-size: var(--text-xs); color: var(--neon-cyan); letter-spacing: 0.2em; margin-bottom: var(--space-1); opacity: 0.7; }
.timeline-year.magenta { color: var(--neon-magenta); }
.timeline-title { font-family: var(--font-display); font-size: var(--text-base); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); letter-spacing: 0.03em; }
.timeline-body { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 60ch; line-height: 1.7; }

/* ============================================================ SKILLS */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: var(--space-3); }
.skill-item {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-3); background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  transition: all var(--transition-interactive); cursor: default;
}
.skill-item:hover { border-color: rgba(0,255,247,0.3); background: var(--color-surface-2); box-shadow: 0 0 20px rgba(0,255,247,0.05); }
.skill-item img { width: 36px; height: 36px; object-fit: contain; }
.skill-item span { font-family: var(--font-display); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.05em; text-align: center; }

/* SOCIAL */
.social-row { display: flex; gap: var(--space-4); margin-top: var(--space-8); flex-wrap: wrap; }
.social-link {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display); font-size: var(--text-sm); color: var(--color-text-muted);
  padding: var(--space-3) var(--space-5); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); letter-spacing: 0.1em; text-transform: uppercase;
  transition: all var(--transition-interactive);
}
.social-link:hover { color: var(--neon-cyan); border-color: rgba(0,255,247,0.3); background: rgba(0,255,247,0.04); }
.social-link svg { width: 18px; height: 18px; }

/* ============================================================ COMING SOON */
.coming-soon-wrapper {
  min-height: calc(100dvh - 70px); display: flex; align-items: center; justify-content: center;
  padding: var(--space-16) var(--space-8); position: relative; overflow: hidden;
}
.coming-soon-inner { text-align: center; position: relative; z-index: 1; }
.coming-soon-glitch {
  font-family: var(--font-display); font-size: var(--text-hero); font-weight: 700;
  color: var(--color-text); letter-spacing: 0.05em;
  animation: glitchAnim 5s infinite;
}
@keyframes glitchAnim {
  0%,90%,100% { text-shadow: none; transform: none; }
  92% { text-shadow: -3px 0 var(--neon-cyan), 3px 0 var(--neon-magenta); transform: skewX(-1deg); }
  94% { text-shadow: 3px 0 var(--neon-cyan), -3px 0 var(--neon-magenta); transform: skewX(1deg); }
  96% { text-shadow: -3px 0 var(--neon-cyan), 3px 0 var(--neon-magenta); transform: skewX(0); }
}
.coming-soon-sub { font-family: var(--font-display); font-size: var(--text-base); color: var(--color-text-muted); letter-spacing: 0.3em; text-transform: uppercase; margin-top: var(--space-4); }
.coming-soon-bg-glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0,255,247,0.03) 0%, transparent 70%);
}

/* ============================================================ ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: start; }
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }
.about-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-6);
  transition: all var(--transition-interactive);
}
.about-card:hover { border-color: rgba(0,255,247,0.2); }
.about-card-icon { font-size: 2rem; margin-bottom: var(--space-3); display: block; }
.about-card-title {
  font-family: var(--font-display); font-size: var(--text-base);
  color: var(--neon-cyan); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-3);
}
.about-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.8; }
.hobbies-list { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.hobbies-list li { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }
.hobbies-list li::before { content: '>'; font-family: var(--font-display); color: var(--neon-cyan); font-size: var(--text-xs); margin-top: 3px; flex-shrink: 0; }

/* ============================================================ ACADEMIC */
.academic-section {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-8); margin-bottom: var(--space-8);
  position: relative; overflow: hidden; transition: border-color var(--transition-interactive);
}
.academic-section:hover { border-color: rgba(0,255,247,0.2); }
.academic-section::after {
  content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-magenta));
}
.academic-label { font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.3em; text-transform: uppercase; color: var(--neon-cyan); margin-bottom: var(--space-2); }
.academic-title { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); margin-bottom: var(--space-4); letter-spacing: 0.03em; }
.academic-body { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.8; max-width: 70ch; }
.academic-body em { font-style: normal; color: var(--neon-cyan); }
.academic-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); }
.academic-tag {
  font-family: var(--font-display); font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3); border: 1px solid rgba(255,0,200,0.25);
  color: var(--neon-magenta); background: rgba(255,0,200,0.05);
  border-radius: var(--radius-sm); letter-spacing: 0.05em; text-transform: uppercase;
}

/* SAIBA MAIS */
.saiba-mais-btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-6);
  font-family: var(--font-display); font-size: var(--text-xs);
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--neon-cyan); background: rgba(0,255,247,0.05);
  border: 1px solid rgba(0,255,247,0.25); border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  cursor: pointer; transition: all var(--transition-interactive);
}
.saiba-mais-btn:hover { background: rgba(0,255,247,0.12); box-shadow: 0 0 16px rgba(0,255,247,0.12); }
.saiba-mais-btn svg { width: 14px; height: 14px; transition: transform 0.3s cubic-bezier(0.16,1,0.3,1); }
.saiba-mais-btn.open svg { transform: rotate(180deg); }
.saiba-mais-content { max-height: 0; overflow: hidden; transition: max-height 0.5s cubic-bezier(0.16,1,0.3,1), opacity 0.4s ease; opacity: 0; }
.saiba-mais-content.open { max-height: 600px; opacity: 1; }
.saiba-mais-inner { padding-top: var(--space-6); border-top: 1px solid var(--color-divider); margin-top: var(--space-6); }
.saiba-mais-inner p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.9; max-width: 70ch; margin-bottom: var(--space-4); }
.saiba-mais-inner p:last-child { margin-bottom: 0; }
.saiba-mais-inner strong { color: var(--color-text); font-weight: 600; }
.saiba-mais-inner .detail-row { display: flex; gap: var(--space-8); flex-wrap: wrap; margin-bottom: var(--space-4); }
.saiba-mais-inner .detail-item { display: flex; flex-direction: column; gap: var(--space-1); }
.saiba-mais-inner .detail-label { font-family: var(--font-display); font-size: var(--text-xs); color: var(--neon-magenta); letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.8; }
.saiba-mais-inner .detail-value { font-family: var(--font-display); font-size: var(--text-sm); color: var(--color-text); }

/* ============================================================ FOOTER */
footer {
  border-top: 1px solid var(--color-divider); padding: var(--space-8);
  text-align: center; font-family: var(--font-display); font-size: var(--text-xs);
  color: var(--color-text-faint); letter-spacing: 0.2em;
}
footer span { color: var(--neon-cyan); }

/* SCROLL REVEAL */
.reveal { opacity: 1; }
@supports (animation-timeline: scroll()) {
  .reveal { opacity: 0; animation: reveal-fade linear both; animation-timeline: view(); animation-range: entry 0% entry 60%; }
  @keyframes reveal-fade { to { opacity: 1; } }
}