@media (max-width: 700px) {
  .project-card .project-links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: stretch;
  }
  .project-card .btn {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    font-size: 1.08rem;
    padding: 1.1rem 0;
    text-align: center;
  }
}
@media (max-width: 700px) {
  .hero {
    padding-top: 6.5rem;
    padding-bottom: 1.2rem;
    min-height: unset;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
  }
  .hero-content {
    flex-direction: column;
    align-items: center;
    gap: 1.1rem;
    width: 100%;
    max-width: 98vw;
    justify-content: flex-start;
  }
  .avatar {
    margin: 0 auto 0.7rem auto;
    width: 110px;
    height: 110px;
    min-width: 90px;
    min-height: 90px;
    box-shadow: 0 0 32px 8px var(--color-glow);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
  }
  .hero-text {
    width: 100%;
    text-align: center;
    padding: 0 0.2rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-text h1 {
    font-size: 2rem;
    line-height: 1.1;
    margin-bottom: 0.18rem;
    word-break: break-word;
    width: 100%;
    text-align: center;
  }
  .hero-headline {
    font-size: 1.08rem;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
    font-weight: 600;
    width: 100%;
    text-align: center;
  }
  .hero-location {
    font-size: 1.01rem;
    margin-bottom: 0.18rem;
    width: 100%;
    text-align: center;
  }
  .hero-bio {
    font-size: 1.01rem;
    margin-bottom: 0.7rem;
    color: var(--color-text-secondary);
    width: 100%;
    text-align: center;
  }
  .hero-cta {
    flex-direction: column;
    gap: 0.7rem;
    align-items: center;
    width: 100%;
    margin: 0 auto 0.7rem auto;
    max-width: 340px;
  }
  .hero-cta a {
    width: 100%;
    max-width: 340px;
    font-size: 1.08rem;
    padding: 1.1rem 0;
    margin: 0 auto;
    text-align: center;
    display: block;
  }
  .hero-social {
    justify-content: center;
    gap: 0.7rem;
    margin: 1.1rem 0 0 0;
    width: 100%;
    display: flex;
  }
}
@media (max-width: 700px) {
  .hero-content {
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    width: 100%;
  }
  .avatar {
    margin: 0 auto 0.7rem auto;
    width: 120px;
    height: 120px;
    min-width: 100px;
    min-height: 100px;
    box-shadow: 0 0 32px 8px var(--color-glow);
  }
  .hero-text {
    width: 100%;
    text-align: center;
    padding: 0 0.2rem;
  }
  .hero-text h1 {
    font-size: 2.1rem;
    line-height: 1.1;
    margin-bottom: 0.2rem;
    word-break: break-word;
  }
  .hero-headline {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--color-primary);
    font-weight: 600;
  }
  .hero-location {
    font-size: 1.01rem;
    margin-bottom: 0.2rem;
  }
  .hero-bio {
    font-size: 1.01rem;
    margin-bottom: 0.7rem;
    color: var(--color-text-secondary);
  }
  .hero-cta {
    flex-direction: column;
    gap: 0.7rem;
    align-items: center;
    width: 100%;
    margin: 0 auto 0.7rem auto;
  }
  .hero-cta a {
    width: 90%;
    max-width: 320px;
    font-size: 1.08rem;
    padding: 1.1rem 0;
    margin: 0 auto;
  }
  .hero-social {
    justify-content: center;
    gap: 0.7rem;
    margin: 1.1rem 0 0 0;
    width: 100%;
  }
}
/* =====================
   Página de Vídeos dos Projetos
   ===================== */
.videos-main {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 6.5rem;
  background: none;
}
.videos-section {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.2rem 2rem 1.2rem;
  background: rgba(20, 28, 48, 0.92);
  border-radius: 1.5rem;
  box-shadow: 0 8px 40px 0 #2563eb44, 0 1.5px 8px 0 #0008;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.videos-title {
  color: #eaf6ff;
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  text-align: center;
  letter-spacing: 1px;
}
.videos-desc {
  color: #60a5fa;
  font-size: 1.08rem;
  margin-bottom: 2.2rem;
  text-align: center;
}
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.2rem;
  width: 100%;
  margin-bottom: 1.5rem;
}
.video-card {
  background: var(--color-card, rgba(20, 28, 48, 0.92));
  border-radius: 1.1rem;
  box-shadow: 0 4px 24px 0 #2563eb44, 0 1.5px 8px 0 #0008;
  padding: 1.2rem 1rem 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.3s, transform 0.2s;
}
.video-card:hover, .video-card:focus {
  box-shadow: 0 0 32px 8px #60a5fa44;
  transform: translateY(-4px) scale(1.03);
}
.video-card h2 {
  color: #60a5fa;
  font-size: 1.18rem;
  margin-bottom: 0.7rem;
  text-align: center;
}
.video-card video {
  width: 100%;
  max-width: 420px;
  border-radius: 0.7rem;
  box-shadow: 0 0 16px 2px #2563eb33;
  margin-bottom: 0.2rem;
  background: #10182a;
}
@media (max-width: 700px) {
  .videos-section {
    padding: 1.2rem 0.2rem 1.2rem 0.2rem;
    border-radius: 1rem;
  }
  .videos-title { font-size: 1.3rem; }
  .videos-desc { font-size: 0.98rem; }
  .video-card h2 { font-size: 1.01rem; }
}
@media (max-width: 400px) {
  .videos-section { padding: 0.7rem 0.05rem 0.7rem 0.05rem; }
  .videos-title { font-size: 1.01rem; }
}
/* Fundo animado de bolhas/partículas para index.html */
/* Fundo animado de linhas/flashes diagonais para index.html */
.bg-animated-bubbles {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.flash-line {
  position: absolute;
  opacity: 0.18;
  box-shadow: 0 0 24px 2px #2563eb33;
  animation: flashMove 12s linear infinite;
}
@keyframes flashMove {
  0% {
    opacity: 0.18;
    filter: blur(0.5px);
    transform: translateY(0) rotate(var(--angle, 0deg));
  }
  60% {
    opacity: 0.12;
  }
  100% {
    opacity: 0;
    filter: blur(2.5px);
    transform: translateY(-120vh) rotate(var(--angle, 0deg));
  }
}

/* Fundo animado de circuitos/linhas para login.html */
.bg-animated-circuit {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.circuit-line {
  position: absolute;
  opacity: 0.7;
  box-shadow: 0 0 16px 2px #2563eb33;
  animation: circuitMove linear infinite;
}
@keyframes circuitMove {
  0% { opacity: 0.7; filter: blur(0.5px); }
  60% { opacity: 0.5; }
  100% { opacity: 0; filter: blur(2.5px); top: 0; }
}
/* =====================
   Login Page Styles
   Author: Jefferson Teodoro
   ===================== */

body.login-page, .login-main {
  min-height: 100vh;
  background: linear-gradient(120deg, #10182a 0%, #1e2a47 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', Arial, sans-serif;
}

.login-main {
  width: 100vw;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: rgba(20, 28, 48, 0.92);
  border-radius: 1.5rem;
  box-shadow: 0 8px 40px 0 #2563eb44, 0 1.5px 8px 0 #0008;
  padding: 2.5rem 2.2rem 2rem 2.2rem;
  max-width: 370px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeInCard 1.1s cubic-bezier(.77,.2,.05,1);
}
@keyframes fadeInCard {
  from { opacity: 0; transform: translateY(40px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

.login-title {
  color: #eaf6ff;
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  text-align: center;
  letter-spacing: 1px;
}
.login-subtitle {
  color: #60a5fa;
  font-size: 1.08rem;
  margin-bottom: 1.7rem;
  text-align: center;
}

.input-group {
  position: relative;
  margin-bottom: 1.3rem;
  width: 100%;
}
.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 2;
}
.input-group input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  border-radius: 0.8rem;
  border: 1.5px solid #2563eb44;
  background: rgba(16, 24, 42, 0.95);
  color: #eaf6ff;
  font-size: 1.08rem;
  outline: none;
  transition: border 0.3s, box-shadow 0.3s;
  box-shadow: 0 0 0 0 transparent;
}
.input-group input:focus {
  border: 1.5px solid #2563eb;
  box-shadow: 0 0 0 2px #2563eb33;
}
.toggle-password {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 0.2rem;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.toggle-password svg {
  display: block;
}

.btn-login {
  width: 100%;
  padding: 0.95rem 0;
  border-radius: 0.8rem;
  border: none;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
  color: #fff;
  font-size: 1.13rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: 0.2rem;
  margin-bottom: 0.7rem;
  box-shadow: 0 0 16px 2px #2563eb44;
  cursor: pointer;
  transition: background 0.3s, box-shadow 0.3s, transform 0.2s;
}
.btn-login:hover, .btn-login:focus {
  background: linear-gradient(90deg, #60a5fa, #2563eb);
  box-shadow: 0 0 32px 8px #60a5fa44;
  transform: translateY(-2px) scale(1.03);
}

.back-link {
  color: #60a5fa;
  text-align: center;
  display: block;
  margin-top: 0.7rem;
  text-decoration: none;
  font-size: 1.01rem;
  transition: color 0.2s;
}
.back-link:hover, .back-link:focus {
  color: #2563eb;
  text-decoration: underline;
}

.login-message {
  min-height: 1.3em;
  margin-bottom: 0.5rem;
  text-align: center;
  font-size: 1.01rem;
  color: #ff6b6b;
  transition: color 0.3s;
}
.login-message.success {
  color: #22d3ee;
}

/* Responsivo */
@media (max-width: 600px) {
  .login-card {
    padding: 1.1rem 0.3rem 1.1rem 0.3rem;
    max-width: 99vw;
    border-radius: 1rem;
    min-width: 0;
  }
  .login-title {
    font-size: 1.15rem;
    margin-bottom: 0.2rem;
  }
  .login-subtitle {
    font-size: 0.93rem;
    margin-bottom: 1.1rem;
  }
  .input-group input {
    font-size: 1.08rem;
    padding: 1.1rem 0.9rem 1.1rem 2.7rem;
    min-height: 48px;
  }
  .input-group {
    margin-bottom: 1.1rem;
  }
  .btn-login {
    font-size: 1.08rem;
    padding: 1.1rem 0;
    min-height: 48px;
    margin-bottom: 0.5rem;
  }
  .back-link {
    font-size: 0.98rem;
    margin-top: 0.5rem;
  }
  .toggle-password {
    right: 0.4rem;
  }
}
@media (max-width: 400px) {
  .login-card {
    padding: 0.5rem 0.05rem 0.5rem 0.05rem;
    border-radius: 0.7rem;
  }
  .login-title { font-size: 1rem; }
  .input-group input { font-size: 0.97rem; }
  .btn-login { font-size: 0.97rem; }
}
/* HERO SOCIAL ICONS CONTAINER */
.hero-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.1rem;
  margin: 1.2rem 0 0 0;
  width: 100%;
}
.hero-social a {
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: transparent;
  border: 2.5px solid var(--color-primary);
  color: #fff;
  transition: var(--transition);
  box-shadow: none;
  outline: none;
  padding: 0;
}
.hero-social a svg {
  width: 24px;
  height: 24px;
  display: block;
}
.hero-social a:hover,
.hero-social a:focus {
  background: var(--color-primary);
  box-shadow: 0 0 32px 8px var(--color-glow);
  border-color: var(--color-glow);
  color: #fff;
  outline: none;
}
@media (max-width: 600px) {
  .hero-social {
    gap: 0.7rem;
    margin: 1.1rem 0 0 0;
  }
  .hero-social a {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    font-size: 1.1rem;
  }
  .hero-social a svg {
    width: 22px;
    height: 22px;
  }
}
@media (max-width: 600px) {
  .hero-content {
    flex-direction: column;
    align-items: center;
  }
  .hero-content .hero-text {
    width: 100%;
    text-align: center;
  }
  .hero-content .hero-cta {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    align-items: center;
  }
  .hero-content .hero-cta a {
    width: 90%;
    max-width: 320px;
    margin: 0 auto;
    font-size: 1.08rem;
  }
  .hero-content .hero-social {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.1rem;
    margin: 1.2rem 0 0 0;
    width: 100%;
  }
  .hero-content .hero-social a {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    font-size: 1.3rem;
  }
}
/* HERO SOCIAL ICONS PADRONIZADOS */
.hero-content a[href*="github"],
.hero-content a[href*="linkedin"],
.hero-content a[href*="mailto"],
.hero-content a[href*="wa.me"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  border: 2.5px solid var(--color-primary);
  color: #fff;
  margin: 0 0.18rem;
  transition: var(--transition);
  box-shadow: none;
  outline: none;
  padding: 0;
}
.hero-content a[href*="github"] svg,
.hero-content a[href*="linkedin"] svg,
.hero-content a[href*="mailto"] svg,
.hero-content a[href*="wa.me"] svg {
  width: 24px;
  height: 24px;
  display: block;
}
.hero-content a[href*="github"]:hover,
.hero-content a[href*="linkedin"]:hover,
.hero-content a[href*="mailto"]:hover,
.hero-content a[href*="wa.me"]:hover,
.hero-content a[href*="github"]:focus,
.hero-content a[href*="linkedin"]:focus,
.hero-content a[href*="mailto"]:focus,
.hero-content a[href*="wa.me"]:focus {
  background: var(--color-primary);
  box-shadow: 0 0 32px 8px var(--color-glow);
  border-color: var(--color-glow);
  color: #fff;
  outline: none;
}
/* HERO PROFILE FULL */
.hero-headline {
  color: var(--color-primary);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0.5rem 0 0.2rem 0;
  letter-spacing: 0.5px;
}
.hero-location {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin: 0 0 0.7rem 0;
}
.hero-bio {
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  margin-bottom: 1.5rem;
  max-width: 420px;
}
.hero-social {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}
.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-glow) 100%);
  box-shadow: 0 0 18px 4px var(--color-glow);
  transition: var(--transition);
  color: #fff;
  text-decoration: none;
  font-size: 1.6rem;
  /* Remove qualquer SVG extra de notebook/monitor */
}
.hero-social a:hover, .hero-social a:focus {
  background: linear-gradient(135deg, var(--color-glow) 60%, var(--color-primary) 100%);
  box-shadow: 0 0 32px 8px var(--color-glow);
  transform: scale(1.12);
}
/* CERTIFICATIONS */
.certifications {
  padding: 5rem 1.5rem 2rem 1.5rem;
  background: linear-gradient(120deg, transparent 60%, var(--color-bg-deep) 100%);
  text-align: center; 
}
.certifications h2 {
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: 2.2rem;
}
.cert-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.cert-list li {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.2rem 1.5rem;
  color: var(--color-text-secondary);
  font-size: 1.08rem;
  border: 1.5px solid var(--color-border);
  transition: var(--transition), box-shadow 0.25s;
  margin-bottom: 0.2rem;
  text-align: left;
  position: relative;
}
.cert-list li::before {
  content: '\1F393';
  margin-right: 0.8rem;
  color: var(--color-primary);
  font-size: 1.2rem;
  vertical-align: middle;
}
.cert-list li:hover, .cert-list li:focus {
  box-shadow: 0 0 32px 8px var(--color-glow), 0 1.5px 8px 0 #0008;
  background: var(--color-card-blur);
  color: var(--color-text);
}
/*
  =============================
  FUTURISTIC DARK PORTFOLIO CSS
  =============================
  - Tema: Roxo Futurista, Neon, Glassmorphism
  - Fonte: Inter, Space Grotesk
  - Responsivo, Premium, High-end
*/
:root {
  --color-bg: #070a13; /* preto profundo */
  --color-bg-deep: #0a1a2f; /* azul profundo */
  --color-primary: #2563eb; /* azul principal */
  --color-secondary: #1e40af; /* azul escuro */
  --color-glow: #60a5fa; /* azul claro para glow */
  --color-card: rgba(20, 28, 48, 0.7);
  --color-card-blur: rgba(20, 28, 48, 0.4);
  --color-text: #eaf6ff;
  --color-text-secondary: #a5b4fc;
  --color-border: #2563eb44;
  --shadow-glow: 0 0 32px 8px var(--color-glow);
  --shadow-card: 0 4px 32px 0 var(--color-primary), 0 1.5px 8px 0 #0008;
  --radius-lg: 2.5rem;
  --radius-md: 1.2rem;
  --radius-sm: 0.7rem;
  --transition: 0.35s cubic-bezier(.77,.2,.05,1);
  --blur: 18px;
  --font-main: 'Inter', 'Space Grotesk', Arial, sans-serif;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after { box-sizing: inherit; }

body {
  background: linear-gradient(120deg, var(--color-bg), var(--color-bg-deep) 100%);
  color: var(--color-text);
  font-family: var(--font-main);
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

/* HEADER */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2.5rem;
  background: var(--color-card-blur);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 24px 0 var(--color-primary);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  transition: var(--transition);
}
.logo {
  font-size: 2.2rem;
  color: var(--color-primary);
  font-weight: bold;
  letter-spacing: 2px;
  filter: drop-shadow(0 0 8px var(--color-glow));
  user-select: none;
}
.nav ul {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}
.nav a:hover, .nav a:focus {
  color: var(--color-text);
  background: var(--color-primary);
  box-shadow: 0 0 12px 2px var(--color-glow);
  text-shadow: 0 0 8px var(--color-glow);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 7.5rem;
  overflow: hidden;
}
.hero-bg-glow {
  position: absolute;
  top: -20%; left: 50%;
  width: 120vw; height: 80vh;
  background: radial-gradient(circle at 50% 30%, var(--color-primary) 0%, transparent 70%);
  filter: blur(120px) brightness(1.2);
  opacity: 0.7;
  z-index: 0;
  pointer-events: none;
  animation: glowMove 8s ease-in-out infinite alternate;
}
@keyframes glowMove {
  0% { transform: translate(-50%, 0) scale(1); }
  100% { transform: translate(-50%, 30px) scale(1.08); }
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 4rem;
  z-index: 1;
  animation: heroFadeIn 1.2s cubic-bezier(.77,.2,.05,1) 0.2s both;
}
@keyframes heroFadeIn {
  0% { opacity: 0; transform: translateY(60px) scale(0.98); }
  100% { opacity: 1; transform: none; }
}
.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 40%, var(--color-bg-deep) 100%);
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 4px solid var(--color-border);
  animation: avatarGlow 2.5s infinite alternate;
}
@keyframes avatarGlow {
  0% { box-shadow: 0 0 32px 8px var(--color-glow); }
  100% { box-shadow: 0 0 48px 16px var(--color-primary); }
}
.avatar img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  filter: drop-shadow(0 0 12px var(--color-glow));
}
.hero-text h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1.2rem 0;
  line-height: 1.1;
  text-shadow: 0 0 16px var(--color-glow);
}
.hero-text h1 span {
  color: var(--color-primary);
  display: block;
  font-size: 2.1rem;
  margin-top: 0.3rem;
}
.hero-text p {
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  margin-bottom: 2.2rem;
  max-width: 420px;
}
.hero-cta {
  display: flex;
  gap: 1.2rem;
}
.btn {
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 0 0 transparent;
  text-decoration: none;
  letter-spacing: 1px;
  display: inline-block;
}
.btn-primary {
  background: linear-gradient(90deg, var(--color-primary), var(--color-glow));
  color: #fff;
  box-shadow: 0 0 16px 2px var(--color-primary);
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(90deg, var(--color-glow), var(--color-primary));
  box-shadow: 0 0 32px 8px var(--color-glow);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 24px 4px var(--color-glow);
}

/* ABOUT ME */
.about {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding: 6rem 1.5rem 2rem 1.5rem;
}
.about-card {
  background: var(--color-card);
  backdrop-filter: blur(var(--blur));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 3rem 2.5rem;
  max-width: 480px;
  text-align: center;
  border: 1.5px solid var(--color-border);
  animation: aboutFadeIn 1.2s cubic-bezier(.77,.2,.05,1) 0.3s both;
}
@keyframes aboutFadeIn {
  0% { opacity: 0; transform: translateY(40px) scale(0.98); }
  100% { opacity: 1; transform: none; }
}
.about-card h2 {
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: 1.2rem;
}
.about-card p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}
.tech-icons {
  display: flex;
  justify-content: center;
  gap: 2.2rem;
}
.icon {
  width: 38px;
  height: 38px;
  display: inline-block;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-glow) 100%);
  box-shadow: 0 0 16px 4px var(--color-glow);
  position: relative;
  transition: var(--transition);
}
.icon.html::before {
  content: '<>';
  color: #fff;
  font-size: 1.2rem;
  position: absolute;
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-family: 'Space Grotesk', monospace;
}
.icon.css::before {
  content: '{ }';
  color: #fff;
  font-size: 1.2rem;
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Space Grotesk', monospace;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.icon.js::before {
  content: 'JS';
  color: #fff;
  font-size: 1.1rem;
  position: absolute;
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  font-family: 'Space Grotesk', monospace;
}

/* SKILLS / EXPERIENCE */
.skills {
  padding: 5rem 1.5rem 2rem 1.5rem;
  background: linear-gradient(120deg, transparent 60%, var(--color-bg-deep) 100%);
}
.skills h2 {
  text-align: center;
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: 2.5rem;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  max-width: 950px;
  margin: 0 auto;
}
.skill-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2.2rem 1.5rem 1.5rem 1.5rem;
  text-align: center;
  border: 1.5px solid var(--color-border);
  transition: var(--transition), box-shadow 0.25s;
  position: relative;
  cursor: pointer;
  transform: translateY(0) scale(1);
}
.skill-card:hover, .skill-card:focus {
  box-shadow: 0 0 32px 8px var(--color-glow), 0 1.5px 8px 0 #0008;
  transform: translateY(-8px) scale(1.04);
  z-index: 2;
}
.skill-card .icon {
  margin-bottom: 1.2rem;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-glow) 100%);
  box-shadow: 0 0 24px 6px var(--color-glow);
}
.icon.dev::before { content: '\1F4BB'; }
.icon.code::before { content: '\1F4C4'; }
.icon.rocket::before { content: '\1F680'; }
.icon.brain::before { content: '\1F9E0'; }

/* PROJECTS */
.projects {
  padding: 5rem 1.5rem 2rem 1.5rem;
  background: linear-gradient(120deg, var(--color-bg-deep) 0%, transparent 100%);
}
.projects h2 {
  text-align: center;
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: 2.5rem;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.project-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--color-border);
  transition: var(--transition), box-shadow 0.25s;
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  animation: projectFadeIn 1.2s cubic-bezier(.77,.2,.05,1) forwards;
  animation-delay: 0.2s;
}
@keyframes projectFadeIn {
  to { opacity: 1; transform: none; }
}
.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1.5px solid var(--color-border);
}
.project-info {
  padding: 2rem 1.5rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.project-info h3 {
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 0.7rem;
}
.project-info p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
}
.project-tags {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.project-tags span {
  background: var(--color-bg-deep);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.9rem;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 0 8px 1px var(--color-glow);
}
.project-links {
  display: flex;
  gap: 1rem;
}

/* VISUAL CENTRAL SECTION */
.visual-central {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 40vh;
  background: none;
  /* Garante que o conteúdo fique acima da animação de fundo */
  position: relative;
    z-index: 100;
}
.futuristic-symbol {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.central-icon {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--color-primary) 60%, var(--color-glow) 100%);
  border-radius: 50%;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #fff;
  box-shadow: 0 0 48px 16px var(--color-glow);
  z-index: 2;
  animation: iconPulse 2.5s infinite alternate;
}
@keyframes iconPulse {
  0% { box-shadow: 0 0 48px 16px var(--color-glow); }
  100% { box-shadow: 0 0 64px 24px var(--color-primary); }
}
.orbit {
  position: absolute;
  border: 2.5px solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.7;
  box-shadow: 0 0 32px 8px var(--color-glow);
  animation: orbitSpin 7s linear infinite;
}
.orbit1 {
  width: 140px; height: 140px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 7s;
}
.orbit2 {
  width: 100px; height: 100px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 4.5s;
}
.orbit3 {
  width: 70px; height: 70px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 2.8s;
}
@keyframes orbitSpin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* CONTACT */
.contact {
  padding: 5rem 1.5rem 2rem 1.5rem;
  text-align: center;
}
.contact h2 {
  color: var(--color-primary);
  font-size: 2rem;
  margin-bottom: 1.2rem;
}
.contact p {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2.2rem;
}
.social-icons {
  display: flex;
  justify-content: center;
  gap: 2.2rem;
}
.social-icons .icon {
  width: 48px;
  height: 48px;
  font-size: 2rem;
  background: transparent;
  box-shadow: none;
  border: 2.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  transition: var(--transition);
  position: relative;
  border: none;
  outline: none;
  margin: 0 0.2rem;
  filter: drop-shadow(0 0 8px var(--color-glow));
}
/* Remove Font Awesome pseudo-elements for github/linkedin/email, as SVGs are used */
.social-icons .icon:hover, .social-icons .icon:focus {
  background: var(--color-primary);
  box-shadow: 0 0 40px 12px var(--color-glow);
  color: #fff;
  border-color: var(--color-glow);
  transform: scale(1.12);
  outline: none;
}

/* FOOTER */
.footer {
  background: var(--color-bg-deep);
  color: var(--color-text-secondary);
  text-align: center;
  padding: 2rem 1rem 1.5rem 1rem;
  font-size: 1rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin-top: 2rem;
  opacity: 0.85;
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero-content { flex-direction: column; gap: 2rem; }
  .skills-grid, .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .header { padding: 0.7rem 1.2rem; }
  .nav ul { display: none; }
  .menu-toggle { display: flex; }
  .nav.active ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: absolute;
    top: 60px;
    right: 0;
    background: var(--color-card-blur);
    padding: 2rem 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    z-index: 200;
  }
  .hero-content { gap: 1rem; }
  .avatar {
    width: 120px;
    height: 120px;
    min-width: 100px;
    min-height: 100px;
  }
  .about-card { padding: 1.2rem 0.5rem; }
  .skills, .projects, .contact, .certifications { padding: 2rem 0.2rem 1rem 0.2rem; }
  .footer { padding: 1rem 0.2rem; font-size: 0.93rem; }
  .project-card img { height: 120px; }
  .visual-central { min-height: 20vh; }
}

@media (max-width: 480px) {
  .header { padding: 0.4rem 0.5rem; }
  .logo { font-size: 1.3rem; }
  .hero-text h1 { font-size: 1.3rem; }
  .hero-text h1 span { font-size: 1.1rem; }
  .btn, .btn-primary, .btn-secondary { font-size: 0.95rem; padding: 0.6rem 1.2rem; }
  .about-card, .cert-list li { padding: 0.7rem 0.5rem; font-size: 0.98rem; }
  .project-info { padding: 1rem 0.5rem 0.7rem 0.5rem; }
  .project-card img { height: 90px; }
  .cert-list {
    padding-left: 0.2rem;
    margin: 0.5rem 0;
  }
  .cert-list li {
    font-size: 1.02rem;
    padding: 0.7rem 0.3rem;
    margin-bottom: 0.5rem;
    border-radius: 0.6rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    word-break: break-word;
  }
  .cert-list li a {
    font-size: 1.02rem;
    padding: 0.2rem 0.1rem;
    width: 100%;
    display: block;
  }
  .cert-list li::before {
    font-size: 1.1rem;
    margin-right: 0.5rem;
  }
  .skills-grid, .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .skill-card, .project-card {
    padding: 1rem 0.5rem;
    font-size: 0.98rem;
  }
  .about-card {
    font-size: 0.98rem;
    padding: 0.7rem 0.5rem;
  }
  .footer {
    font-size: 0.9rem;
    padding: 0.7rem 0.2rem;
  }
}

@media (max-width: 600px) {
  .cert-list {
    padding-left: 0.2rem;
    margin: 0.7rem 0;
  }
  .cert-list li {
    font-size: 1.08rem;
    padding: 0.8rem 0.4rem;
    margin-bottom: 0.6rem;
    border-radius: 0.7rem;
    min-height: 48px;
    display: flex;
    align-items: center;
    word-break: break-word;
  }
  .cert-list li a {
    font-size: 1.08rem;
    padding: 0.2rem 0.1rem;
    width: 100%;
    display: block;
  }
  .cert-list li::before {
    font-size: 1.2rem;
    margin-right: 0.6rem;
  }
  .skills-grid, .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .skill-card, .project-card {
    padding: 1.2rem 0.7rem;
    font-size: 1.01rem;
  }
  .about-card {
    font-size: 1.01rem;
    padding: 1rem 0.7rem;
  }
  .footer {
    font-size: 0.95rem;
    padding: 0.9rem 0.2rem;
  }
}
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 8px; background: var(--color-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 8px; }