/* =========================================
   SAMUEL BARBOSA PORTFOLIO — MAIN CSS
   Design: Deep Black + Electric Violet
   ========================================= */

/* ===== VARIABLES ===== */
:root {
  --accent:        #a855f7;
  --accent-2:      #e879f9;
  --accent-glow:   rgba(168, 85, 247, 0.2);
  --accent-glow-s: rgba(168, 85, 247, 0.4);
  --bg:            #080808;
  --bg-card:       #111111;
  --bg-card-2:     #181818;
  --text:          #ffffff;
  --text-muted:    #a3a3a3;
  --border:        rgba(255, 255, 255, 0.07);
  --border-accent: rgba(168, 85, 247, 0.35);
  --font:          'Inter', 'Arial', sans-serif;
  --font-code:     'Fira Code', monospace;
  --ease:          0.3s ease;
  --r:             12px;
  --r-sm:          8px;
  --max-w:         1100px;
}

/* ===== RESET / BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* ===== UTILITIES ===== */
.accent { color: var(--accent); }
.accent-text { color: var(--accent); }

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--ease);
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow-s);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border: 1px solid var(--border-accent);
  color: var(--text);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--ease);
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-project {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--ease);
  background: var(--bg-card-2);
}
.btn-project:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== HEADER ===== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease, background 0.3s ease;
}
#header.hide { transform: translateY(-100%); }
#header.scrolled { background: rgba(8, 8, 8, 0.98); }

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-link {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--ease);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-contato {
  padding: 8px 20px;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--ease);
  white-space: nowrap;
}
.btn-contato:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow-s);
}

/* Language Selector */
.language-selector { position: relative; }
.language-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.82rem;
  transition: all var(--ease);
}
.language-btn:hover { border-color: var(--border-accent); color: var(--text); }
.language-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-sm);
  width: 140px;
  display: none;
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.language-dropdown.show { display: block; }
.language-option {
  display: block;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all 0.2s;
}
.language-option:hover, .language-option.active {
  color: var(--text);
  background: var(--accent-glow);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: var(--ease);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.nav-link-mobile {
  padding: 12px 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--ease);
  border-bottom: 1px solid var(--border);
}
.nav-link-mobile:hover { color: var(--text); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 24px 60px;
  position: relative;
}
#hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(168,85,247,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-left { display: flex; flex-direction: column; gap: 24px; }

.badge-available {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  background: rgba(168,85,247,0.08);
  font-size: 0.85rem;
  color: var(--text-muted);
  width: fit-content;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow-s); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
}

.hero-h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.hero-name {
  display: block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-contacts {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.contact-icon {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--ease);
}
.contact-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.divider-v { color: var(--border); font-size: 1.2rem; }
.hero-location { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }

/* Code Card */
.hero-right { position: relative; display: flex; justify-content: center; }

.code-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(168,85,247,0.1);
  position: relative;
  z-index: 1;
}
.code-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--r);
  background: linear-gradient(135deg, rgba(168,85,247,0.2), transparent 50%);
  pointer-events: none;
}

.code-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.code-pre {
  font-family: var(--font-code);
  font-size: 0.82rem;
  line-height: 1.8;
  white-space: pre;
  overflow-x: auto;
}

/* Syntax highlight tokens */
.tok-kw  { color: #c084fc; }
.tok-var { color: #e2e8f0; }
.tok-op  { color: #94a3b8; }
.tok-key { color: #7dd3fc; }
.tok-str { color: #86efac; }
.tok-comment { color: #4b5563; font-style: italic; }

.code-footer-line {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-family: var(--font-code);
  font-size: 0.78rem;
}

.hero-accent-icon {
  position: absolute;
  bottom: -20px; right: -10px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.15;
  pointer-events: none;
}

/* Scroll indicator */
.scroll-down {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  animation: bob 1.8s infinite ease-in-out;
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTIONS ===== */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 96px 24px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
}
.section-head-right {
  flex-direction: row-reverse;
  justify-content: flex-end;
}

.sec-num {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-code);
  flex-shrink: 0;
}

.section-head h2, .section-head-right h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.sec-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 300px;
}

/* ===== SOBRE ===== */
.sobre-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.sobre-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.sobre-bio {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 1rem;
}
.sobre-bio strong { color: var(--text); }

.mini-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.mini-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 16px;
}
.mini-card strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.mini-card ul { list-style: none; }
.mini-card ul li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 3px 0 3px 14px;
  position: relative;
}
.mini-card ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.service-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px;
  transition: all var(--ease);
}
.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--accent-glow);
}
.svc-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 12px;
}
.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== HABILIDADES ===== */
#habilidades { background: rgba(255,255,255,0.01); }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.stack-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px;
  transition: all var(--ease);
}
.stack-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.stack-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 14px;
}
.stack-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.stack-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tag {
  padding: 5px 12px;
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  transition: all 0.2s;
}
.tech-tag:hover, .tech-tag.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tech-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-sm);
  padding: 20px 24px;
  min-height: 80px;
}
.tech-panel h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}
.tech-panel p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== PROJETOS ===== */
.projects-list { display: flex; flex-direction: column; gap: 16px; }

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 28px 32px;
  transition: all var(--ease);
}
.project-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.project-featured { border-left: 3px solid var(--accent); }

.project-type {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.project-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.project-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.project-links { display: flex; gap: 12px; flex-wrap: wrap; }

.projects-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.projects-more {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

/* ===== EXPERIÊNCIA ===== */
.exp-block { margin-bottom: 48px; }
.exp-category {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: var(--text);
}
.exp-category i { color: var(--accent); }

.timeline-h {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
}
.timeline-h::before {
  content: '';
  position: absolute;
  top: 8px; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}

.tl-item { position: relative; padding-top: 28px; }
.tl-dot {
  position: absolute;
  top: 0; left: 0;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(168,85,247,0.2);
}
.tl-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
}
.tl-content h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.tl-company {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}
.tl-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 12px;
}
.tl-content ul { list-style: none; }
.tl-content ul li {
  font-size: 0.83rem;
  color: var(--text-muted);
  padding: 3px 0 3px 14px;
  position: relative;
}
.tl-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: rgba(168,85,247,0.6);
}

/* ===== CERTIFICAÇÕES ===== */
.certificados-marquee {
  display: flex;
  flex-wrap: nowrap;
  overflow: hidden;
  user-select: none;
  width: 100vw;
  position: relative;
  left: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.certificados-track {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 3rem;
  padding-right: 3rem;
  min-width: 100%;
  animation: scroll 30s linear infinite;
}
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}
.certificado-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 180px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transform: translateZ(0);
}
.certificado-card h5 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.certificado-card p {
  font-size: 0.75rem;
  color: var(--accent);
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 24px 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .logo-link {
  font-size: 1.5rem;
  font-weight: 800;
  display: block;
  margin-bottom: 10px;
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color var(--ease);
}
.footer-link:hover { color: var(--accent); }
.footer-link i { font-size: 0.9rem; }

.footer-social { display: flex; gap: 12px; }
.soc-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--ease);
}
.soc-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: var(--accent);
  border-radius: 50%;
  color: #fff;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  opacity: 0; visibility: hidden;
  transition: all var(--ease);
  box-shadow: 0 4px 16px var(--accent-glow-s);
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); background: var(--accent-2); }

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .sobre-layout { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .btn-contato { display: none; }
  .hamburger { display: flex; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  #hero { min-height: auto; padding: 110px 24px 60px; }

  .stack-grid { grid-template-columns: 1fr; }
  .projects-grid-2 { grid-template-columns: 1fr; }
  .mini-cards { grid-template-columns: 1fr; }
  .timeline-h { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }

  .section { padding: 64px 20px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .grid-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .bio #nome {
    font-size: 2.5rem;
  }

  .logo h1 {
    font-size: 1.2rem;
  }

  .logo span {
    font-size: 1.5rem;
  }

  .cv-button-container {
    margin-left: 0.5rem !important;
  }
}

/* ===== FLOATING RADIAL MENU ===== */
.float-menu {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 998;
  width: 56px;
  height: 56px;
}

.float-toggle {
  position: absolute;
  width: 56px;
  height: 56px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow-s);
  transition: all 0.3s ease;
  z-index: 1;
}
.float-toggle:hover {
  background: var(--accent-2);
  transform: scale(1.1);
}
.float-menu.open .float-toggle {
  transform: rotate(45deg);
  background: var(--accent-2);
}

.float-items {
  position: absolute;
  bottom: 0;
  left: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.float-items li {
  position: absolute;
  bottom: 7px;
  left: 7px;
  width: 42px;
  height: 42px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: scale(0.5);
}

.float-menu.open .float-items li {
  opacity: 1;
  pointer-events: auto;
}

/* 5 items fanned in a 90° arc: straight up → straight right */
.float-menu.open .float-items li:nth-child(1) { transform: translateX(0)    translateY(-84px); transition-delay: 0.04s; }  /* 90° up        */
.float-menu.open .float-items li:nth-child(2) { transform: translateX(31px)  translateY(-74px); transition-delay: 0.08s; }  /* 67.5°         */
.float-menu.open .float-items li:nth-child(3) { transform: translateX(57px)  translateY(-57px); transition-delay: 0.12s; }  /* 45° diagonal  */
.float-menu.open .float-items li:nth-child(4) { transform: translateX(74px)  translateY(-31px); transition-delay: 0.08s; }  /* 22.5°         */
.float-menu.open .float-items li:nth-child(5) { transform: translateX(84px)  translateY(0);    transition-delay: 0.04s; }  /* 0° right      */

.float-items li a {
  width: 42px;
  height: 42px;
  background: var(--bg-card-2);
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  transition: all 0.2s ease;
}
.float-items li a:hover {
  background: var(--accent);
  color: #fff;
  transform: scale(1.15);
}

/* ===== ENTRANCE ANIMATIONS ===== */

/* Hero section staggered entrance */
.hero-left .badge-available {
  animation: fadeSlideUp 0.7s ease both;
  animation-delay: 0.1s;
}
.hero-left .hero-h1 {
  animation: fadeSlideUp 0.7s ease both;
  animation-delay: 0.25s;
}
.hero-left .hero-sub {
  animation: fadeSlideUp 0.7s ease both;
  animation-delay: 0.4s;
}
.hero-left .hero-actions {
  animation: fadeSlideUp 0.7s ease both;
  animation-delay: 0.55s;
}
.hero-left .hero-contacts {
  animation: fadeSlideUp 0.7s ease both;
  animation-delay: 0.7s;
}
.hero-right .code-card {
  animation: fadeSlideLeft 0.9s ease both;
  animation-delay: 0.3s;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Hero name gradient shimmer */
.hero-name {
  background-size: 200% auto;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer {
  0%   { background-position: 0% center; }
  50%  { background-position: 100% center; }
  100% { background-position: 0% center; }
}

/* Code card floating */
.code-card {
  animation: floatCard 5s ease-in-out infinite;
  transition: box-shadow 0.4s ease, border-color 0.4s ease, transform 0.4s ease;
}

/* Code card hover — glow + pause float */
.code-card:hover {
  animation-play-state: paused;
  border-color: var(--border-accent);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(168, 85, 247, 0.35),
    0 0 40px rgba(168, 85, 247, 0.2),
    0 0 80px rgba(168, 85, 247, 0.08);
  transform: scale(1.025) translateY(-4px);
}

/* Blinking cursor in code footer on hover */
.code-card:hover .code-footer-line .tok-comment::after {
  content: ' |';
  color: var(--accent);
  animation: blink-cursor 0.7s step-end infinite;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* Scroll-reveal: children stagger */
.stack-grid .stack-card:nth-child(1) { transition-delay: 0s;    }
.stack-grid .stack-card:nth-child(2) { transition-delay: 0.1s;  }
.stack-grid .stack-card:nth-child(3) { transition-delay: 0.2s;  }

.service-cards .service-card:nth-child(1) { transition-delay: 0s;   }
.service-cards .service-card:nth-child(2) { transition-delay: 0.12s; }
.service-cards .service-card:nth-child(3) { transition-delay: 0.24s; }

.projects-grid-2 .project-card:nth-child(1) { transition-delay: 0s;    }
.projects-grid-2 .project-card:nth-child(2) { transition-delay: 0.08s; }
.projects-grid-2 .project-card:nth-child(3) { transition-delay: 0.16s; }
.projects-grid-2 .project-card:nth-child(4) { transition-delay: 0.24s; }

/* Badge dot pulse glow */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow-s); }
  50%       { box-shadow: 0 0 0 8px transparent; }
}

/* Smooth page load fade */
body {
  animation: pageFade 0.4s ease both;
}
@keyframes pageFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}