/*
  Portfólio do Marcio Galvão - CSS
  
  Design system completo baseado em:
  - Paleta azul elegante (inspiração: Material Design + Apple)
  - Tipografia limpa e hierárquica
  - Animações sutis e profissionais
  - Componentes reutilizáveis
  - Responsividade mobile-first
*/

:root {
  /* Cores principais */
  --color-primary: #00bcd4;          /* Azul ciano principal */
  --color-primary-light: #26c6da;   /* Azul ciano claro */
  --color-primary-dark: #00acc1;    /* Azul ciano escuro */
  --color-accent: #0097a7;          /* Azul ciano profundo para destaque */
  --color-accent-light: #00e5ff;    /* Azul ciano muito claro */
  
  /* Cores de fundo */
  --color-bg: #ffffff;              /* Branco puro */
  --color-bg-alt: #f0fdff;          /* Branco com toque de ciano */
  --color-bg-section: #f8feff;      /* Azul ciano quase imperceptível */
  --color-surface: #ffffff;         /* Branco para superfícies */
  --color-surface-elevated: #ffffff; /* Branco elevado */
  
  /* Cores de texto */
  --color-text: #263238;            /* Azul acinzentado escuro */
  --color-text-secondary: #455a64;  /* Azul acinzentado médio */
  --color-text-muted: #607d8b;      /* Azul acinzentado claro */
  --color-text-light: #90a4ae;      /* Azul acinzentado muito claro */
  
  /* Bordas */
  --color-border: #e0f2f1;          /* Verde-azul muito claro */
  --color-border-light: #f1f8e9;    /* Quase branco com toque de cor */
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #00bcd4 0%, #26c6da 100%);
  --gradient-accent: linear-gradient(135deg, #0097a7 0%, #00bcd4 100%);
  --gradient-surface: linear-gradient(145deg, #ffffff 0%, #f0fdff 100%);
  --gradient-hero: linear-gradient(135deg, #f0fdff 0%, #ffffff 50%, #e0f7fa 100%);
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 188, 212, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 188, 212, 0.12), 0 2px 4px -1px rgba(0, 188, 212, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 188, 212, 0.15), 0 4px 6px -2px rgba(0, 188, 212, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 188, 212, 0.15), 0 10px 10px -5px rgba(0, 188, 212, 0.06);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 188, 212, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 188, 212, 0.3);
  
  /* Fontes */
  --font-display: 'SF Pro Display', system-ui, -apple-system, sans-serif;
  --font-body: 'SF Pro Text', system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, 'Cascadia Code', 'Roboto Mono', monospace;
  
  /* Espaçamentos */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Bordas arredondadas */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Larguras máximas */
  --container: 1200px;
  --content-width: 1200px;
  
  /* Transições */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.4s ease-out;
}

/* Reset básico e configurações globais */
*,
*::before,
*::after { 
  box-sizing: border-box; /* Facilita o cálculo de tamanhos */
}

html { 
  scroll-behavior: smooth; /* Rolagem suave entre seções */
  scroll-padding-top: 80px; /* Espaço para o header fixo */
  font-size: 16px; /* Base para cálculos rem */
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7; /* Boa legibilidade para textos longos */
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
}

body.loaded {
  opacity: 1;
}

/* Tipografia elegante */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 0;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p { margin: 0 0 var(--space-md); }
strong { font-weight: 600; }

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

/* Container sofisticado */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-2xl); }
}

/* Acessibilidade elegante */
.skip-to-content {
  position: absolute;
  left: -999px;
  top: var(--space-md);
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-decoration: none;
  z-index: 9999;
  transition: var(--transition-fast);
}
.skip-to-content:focus { 
  left: var(--space-md); 
  box-shadow: var(--shadow-lg);
}

/* Header com efeito glassmorphism (vidro fosco) */
.site-header {
  position: sticky; /* Fica sempre visível no topo */
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85); /* Transparência elegante */
  backdrop-filter: saturate(180%) blur(20px); /* Efeito de desfoque */
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition-normal);
}

/* Linha decorativa sutil no topo do header */
.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-accent);
  opacity: 0.6;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  position: relative;
}

/* Marca pessoal no canto superior esquerdo */
.brand { 
  display: inline-flex; 
  align-items: center; 
  gap: var(--space-md); 
  text-decoration: none; 
  color: inherit;
  transition: var(--transition-normal);
}

.brand:hover { transform: translateY(-1px); } /* Sobe um pouco no hover */

.brand__logo {
  min-width: 64px;
  min-height: 64px;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
  filter: drop-shadow(var(--shadow-sm));
}

.brand:hover .brand__logo {
  transform: scale(1.05);
  filter: drop-shadow(var(--shadow-md));
}

.brand__text { 
  font-weight: 700; 
  font-size: 20px;
  letter-spacing: -0.01em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navegação elegante - menu responsivo com animações */
.site-nav { 
  display: none; /* Escondido no mobile por padrão */
  transition: var(--transition-normal);
}
.site-nav.open { 
  display: block; 
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav__list { 
  list-style: none; 
  margin: 0; 
  padding: var(--space-lg); 
  display: flex; 
  flex-direction: column;
  gap: var(--space-sm); 
  align-items: stretch;
}

.nav__link { 
  text-decoration: none; 
  color: var(--color-text-secondary); 
  padding: var(--space-md) var(--space-lg); 
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
  display: block;
}

.nav__link:hover {
  color: var(--color-primary);
  background: var(--color-bg-section);
  transform: translateX(4px);
}

.nav__link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.nav-toggle { 
  background: transparent; 
  border: 0; 
  display: grid; 
  gap: var(--space-xs); 
  padding: var(--space-md); 
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
}

.nav-toggle:hover {
  background: var(--color-bg-section);
}

.nav-toggle__bar { 
  width: 24px; 
  height: 2px; 
  background: var(--color-text); 
  display: block;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .site-nav { 
    display: block !important; 
    position: static;
    background: none;
    backdrop-filter: none;
    border: none;
    box-shadow: none;
  }
  .nav__list { 
    flex-direction: row;
    padding: 0;
    align-items: center;
    gap: var(--space-md);
  }
  .nav__link:hover {
    color: var(--color-primary);
    background: rgba(0, 188, 212, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 188, 212, 0.15);
  }
}

/* Seções com design sofisticado */
.section { 
  padding: var(--space-4xl) 0;
  position: relative;
}

.section--alt { 
  background: var(--color-bg-section);
  position: relative;
}

.section--alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(33, 150, 243, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(13, 71, 161, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.section__title { 
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 var(--space-2xl);
  text-align: center;
  position: relative;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.3s ease;
  cursor: default;
}

.section__title:hover {
  transform: scale(1.02);
  filter: brightness(1.1);
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.lead { 
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 65ch;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

/* Seção Hero - primeira impressão é tudo */
.hero { 
  padding: var(--space-3xl) 0 var(--space-4xl);
  /* Gradiente sutil com azul ciano */
  background: 
    radial-gradient(ellipse at top, rgba(0, 188, 212, 0.06) 0%, transparent 60%),
    linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-section) 50%, rgba(0, 188, 212, 0.02) 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh; /* Ocupa toda a altura da tela */
  display: flex;
  align-items: center; /* Centraliza verticalmente */
}

/* Logo sutil no fundo do hero */
.hero__watermark {
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  opacity: 0.03;
  pointer-events: none;
  z-index: 1;
}

.hero__watermark-logo {
  width: 180px;
  height: 180px;
  animation: float-gentle 8s ease-in-out infinite;
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(-10px) rotate(0deg); }
  50% { transform: translateY(10px) rotate(2deg); }
}

/* Container para elementos decorativos de background */
.hero__bg-subtle {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none; /* Não interfere com clicks */
  z-index: 1;
}

/* Orbe decorativo que flutua suavemente */
.hero__gradient-orb {
  position: absolute;
  top: 10%;
  right: 15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(33, 150, 243, 0.1) 0%, rgba(33, 150, 243, 0.02) 40%, transparent 70%);
  border-radius: 50%;
  animation: gentleFloat 8s ease-in-out infinite; /* Animação contínua */
  filter: blur(1px); /* Efeito difuso */
}

/* Animação sutil de flutuação para o orbe */
@keyframes gentleFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, -30px) scale(1.1); }
}

.grid { 
  display: grid; 
  gap: var(--space-3xl); 
  align-items: center;
}

.grid--2cols { 
  grid-template-columns: 1fr; 
}

.hero__grid {
  position: relative;
  z-index: 2;
}

.hero__text {
  text-align: center;
}

/* Eyebrow refinado */
.eyebrow { 
  color: var(--color-accent); 
  font-weight: 600; 
  text-transform: uppercase; 
  letter-spacing: 0.1em; 
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.eyebrow__dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: subtlePulse 3s ease-in-out infinite;
}

.eyebrow::before,
.eyebrow::after {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--color-accent);
  opacity: 0.5;
}

/* Botões refinados */
.btn--refined {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.btn__arrow {
  font-size: 1.2em;
  transition: transform var(--transition-normal);
}

.btn--refined:hover .btn__arrow {
  transform: translateX(4px);
}

.btn--refined::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn--refined:hover::before {
  left: 100%;
}

@keyframes subtlePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.hero__title { 
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin: var(--space-md) 0 var(--space-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero__subtitle { 
  color: var(--color-text-secondary);
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.7;
  max-width: 65ch;
  margin: 0 auto var(--space-xl);
}

.eyebrow { 
  color: var(--color-accent); 
  font-weight: 600; 
  text-transform: uppercase; 
  letter-spacing: 0.1em; 
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.eyebrow::before,
.eyebrow::after {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--color-accent);
}

.hero__stats {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  margin: var(--space-2xl) 0;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat__label {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.hero__actions { 
  display: flex; 
  gap: var(--space-md); 
  margin-top: var(--space-xl);
  justify-content: center;
  flex-wrap: wrap;
}

@media (min-width: 1024px) {
  .grid--2cols { 
    grid-template-columns: 1.2fr 0.8fr; 
    gap: var(--space-4xl);
  }
  .hero__text {
    text-align: left;
  }
  .hero__actions {
    justify-content: flex-start;
  }
  .hero__stats {
    justify-content: flex-start;
  }
  .eyebrow {
    justify-content: flex-start;
  }
}

/* Responsividade para design refinado */
@media (max-width: 768px) {
  .hero {
    min-height: 90vh;
  }
  
  .avatar-refined__frame {
    width: 200px;
    height: 200px;
  }
  
  .hero__gradient-orb {
    width: 200px;
    height: 200px;
    opacity: 0.5;
  }
  
  .avatar-refined__status {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
  }
}

/* Avatar refinado e elegante */
.avatar-refined { 
  position: relative;
  display: inline-block;
}

.avatar-refined__frame {
  position: relative;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-surface);
  padding: 8px;
  box-shadow: 
    0 20px 40px rgba(13, 71, 161, 0.1),
    0 8px 16px rgba(13, 71, 161, 0.05);
}

.avatar-refined__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: transform var(--transition-normal);
}

.avatar-refined__frame:hover img {
  transform: scale(1.02);
}

.avatar-refined__border {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--color-accent), var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
  padding: 2px;
}

.avatar-refined__frame:hover .avatar-refined__border {
  opacity: 0.3;
}

.avatar-refined__status {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Contador animado */
.animated-counter {
  display: inline-block;
  transition: all 0.3s ease;
}

/* Avatar original - para compatibilidade */
.avatar { 
  width: 280px; 
  height: 280px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: 0 auto; 
  position: relative;
  background: var(--gradient-surface);
  padding: 8px;
}

.avatar::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 3px;
  background: var(--gradient-accent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) - 8px);
  transition: var(--transition-slow);
}

.avatar:hover img {
  transform: scale(1.05);
}

.avatar:hover::before {
  animation: rotate 3s linear infinite;
}

.avatar__badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: #10b981;
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  box-shadow: var(--shadow-lg);
  border: 2px solid white;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Seção About profissional */
.about__grid {
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: 1fr;
  align-items: start;
}

.about__content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.about__highlights {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.highlight-card {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.highlight-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 188, 212, 0.25);
  border-color: var(--cyan);
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.05) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.highlight-card__icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: grid;
  place-content: center;
  color: white;
  flex-shrink: 0;
}

.highlight-card__content h4 {
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
  font-size: 1.125rem;
}

.highlight-card__content p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.about__sidebar {
  display: grid;
  gap: var(--space-lg);
}

.info-card {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary); /* Barra azul ciano no topo */
  transform: translateY(-3px);
  transition: transform 0.3s ease;
}

.info-card:hover::before {
  transform: translateY(0);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.info-card h3 {
  margin: 0 0 var(--space-md);
  color: var(--color-text);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.info-card h3::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.specialties {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-sm);
}

.specialties li {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  position: relative;
  padding-left: var(--space-xl);
  transition: all 0.3s ease;
}

.specialties li::before {
  content: '▸';
  position: absolute;
  left: var(--space-md);
  color: var(--color-accent);
  font-weight: 700;
  transition: all 0.3s ease;
}

.specialties li:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
  background: rgba(0, 188, 212, 0.05); /* Hover com cor sutil */
}

.specialties li:hover::before {
  color: var(--color-primary);
  transform: translateX(2px);
}

.certifications {
  display: grid;
  gap: var(--space-md);
  max-height: none;
  overflow: visible;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: translateY(0);
}

.certifications.collapsed {
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  overflow: hidden;
}

.collapsible-header {
  cursor: pointer;
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: all 0.3s ease;
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  margin: calc(-1 * var(--space-sm));
}

.collapsible-header:hover {
  background: var(--color-bg-section);
  transform: translateX(2px);
}

.expand-icon {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-section);
}

.expand-icon.rotated {
  transform: rotate(45deg);
  background: var(--color-primary); /* Cor principal quando ativo */
  color: white;
  box-shadow: var(--shadow-md);
}

.cert {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cert::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-accent);
  transform: translateX(-4px);
  transition: transform 0.3s ease;
}

.cert:hover::before {
  transform: translateX(0);
}

.cert:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 30px rgba(0, 188, 212, 0.2);
  border-color: var(--cyan);
  background: rgba(0, 188, 212, 0.05);
}

.cert strong {
  color: var(--color-text);
  font-size: 0.9375rem;
}

.cert strong a {
  color: var(--color-text);
  text-decoration: none;
  position: relative;
  transition: all 0.3s ease;
}

.cert strong a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.cert strong a:hover {
  color: var(--cyan);
}

.cert strong a:hover::after {
  width: 100%;
}

.cert span {
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 188, 212, 0.1); /* Fundo colorido suave */
  border-radius: var(--radius-full);
  align-self: flex-start;
  margin-top: var(--space-xs);
}

@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr 400px;
    gap: var(--space-3xl);
    align-items: start;
  }
  .about__highlights {
    grid-template-columns: 1fr;
  }
  .about__sidebar {
    position: sticky;
    top: var(--space-2xl);
    max-height: calc(100vh - var(--space-4xl));
    overflow-y: auto;
    padding-right: var(--space-sm);
  }
  
  /* Scrollbar customizada para a sidebar */
  .about__sidebar::-webkit-scrollbar {
    width: 6px;
  }
  
  .about__sidebar::-webkit-scrollbar-track {
    background: var(--color-bg-section);
    border-radius: var(--radius-full);
  }
  
  .about__sidebar::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
  }
  
  .about__sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
  }
}

/* Transições animadas entre seções */
.section-transition {
  height: 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-section) 100%);
}

/* Animação de ondas */
.transition-waves {
  position: relative;
  width: 100%;
  height: 100%;
}

.wave {
  position: absolute;
  width: 120%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  animation: wave-animation 8s ease-in-out infinite;
}

.wave-1 {
  animation-delay: 0s;
  border-radius: 0 0 50% 50%;
}

.wave-2 {
  animation-delay: -2s;
  opacity: 0.15;
  border-radius: 0 0 40% 60%;
}

.wave-3 {
  animation-delay: -4s;
  opacity: 0.2;
  border-radius: 0 0 60% 40%;
}

@keyframes wave-animation {
  0%, 100% { transform: translateX(-50%) translateY(0) rotate(0deg); }
  25% { transform: translateX(-45%) translateY(-10px) rotate(1deg); }
  50% { transform: translateX(-55%) translateY(0) rotate(-1deg); }
  75% { transform: translateX(-48%) translateY(-5px) rotate(0.5deg); }
}

/* Logo nas transições */
.transition-logo {
  width: 48px;
  height: 48px;
  opacity: 0.7;
  animation: logo-pulse 4s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg);
    opacity: 0.7;
  }
  50% { 
    transform: scale(1.2) rotate(5deg);
    opacity: 1;
  }
}

/* Animação geométrica */
.transition-geometric {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.geometric-shape {
  width: 12px;
  height: 12px;
  background: var(--gradient-primary); /* Usar gradiente azul ciano */
  animation: geometric-pulse 3s ease-in-out infinite;
}

.shape-1 {
  border-radius: 50%;
  animation-delay: 0s;
}

.shape-2 {
  border-radius: 20%;
  animation-delay: 0.3s;
}

.shape-3 {
  border-radius: 0;
  animation-delay: 0.6s;
}

.shape-4 {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  animation-delay: 0.9s;
}

@keyframes geometric-pulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg);
    opacity: 0.6;
  }
  50% { 
    transform: scale(1.5) rotate(180deg);
    opacity: 1;
  }
}

/* Animação de partículas */
.transition-particles {
  position: relative;
  width: 100%;
  height: 100%;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: particle-float 6s ease-in-out infinite;
}

.particle-1 {
  left: 10%;
  animation-delay: 0s;
}

.particle-2 {
  left: 25%;
  animation-delay: 1s;
}

.particle-3 {
  left: 40%;
  animation-delay: 2s;
}

.particle-4 {
  left: 55%;
  animation-delay: 3s;
}

.particle-5 {
  left: 70%;
  animation-delay: 4s;
}

.particle-6 {
  left: 85%;
  animation-delay: 5s;
}

@keyframes particle-float {
  0% {
    transform: translateY(80px) scale(0);
    opacity: 0;
  }
  50% {
    transform: translateY(40px) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(0) scale(0);
    opacity: 0;
  }
}

/* Sistema de botões elegantes e interativos */
.btn { 
  background: var(--gradient-primary); /* Novo gradiente azul moderno */
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  border: 2px solid transparent;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden; /* Para efeitos de hover */
  box-shadow: var(--shadow-md);
}

.btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 30px rgba(0, 188, 212, 0.4);
  background: linear-gradient(135deg, #00acc1 0%, #00bcd4 100%);
}

/* Botão ghost com nova paleta */
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--cyan);
  color: white;
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 188, 212, 0.3);
}

/* Botão especial para WhatsApp */
.btn--whatsapp {
  background: linear-gradient(135deg, #25c7d3 0%, #128c7e 100%);
  transition: all 0.3s ease;
}

.btn--whatsapp:hover {
  background: linear-gradient(135deg, #128c7e 0%, #137276 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

.btn:disabled {
  opacity: 0.8;
  cursor: not-allowed;
  transform: none !important;
}

/* Ícones dentro dos botões também animam */
.btn svg {
  transition: var(--transition-normal);
}

/* Pseudo-elemento para efeitos de hover sofisticados */
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: var(--transition-slow);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn:hover svg {
  transform: translateX(2px);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(0);
}

.btn--ghost { 
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.btn--small { 
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* Sistema de cards elegantes para projetos e experiências */
.card { 
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Barra colorida que aparece no hover */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0; /* Invisível por padrão */
  transition: var(--transition-normal);
}

/* Efeito de elevação no hover */
.card:hover {
  transform: translateY(-4px); /* Flutua para cima */
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent-light);
}

.card:hover::before {
  opacity: 1;
}

.card__header { 
  display: flex; 
  align-items: flex-start; 
  justify-content: space-between; 
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.card__title { 
  margin: 0; 
  font-size: 1.375rem;
  color: var(--color-text);
  line-height: 1.3;
}

.card__meta { 
  color: var(--color-text-muted); 
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-bg-section);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.card__body { 
  color: var(--color-text-secondary); 
  margin: var(--space-md) 0 var(--space-lg);
  line-height: 1.7;
}

.card__list {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}

.card__list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.card__actions { 
  display: flex; 
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Fatos sobre o profissional */
.facts {
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0;
  display: grid;
  gap: var(--space-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.facts li {
  position: relative;
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  line-height: 1.6;
  transition: var(--transition-normal);
}

.facts li::before {
  content: '✓';
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: grid;
  place-content: center;
  color: white;
  font-weight: 700;
  font-size: 12px;
}

.facts li:hover {
  transform: translateX(4px);
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
}

/* Habilidades elegantes */
.skills { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.skill { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  padding: var(--space-lg) var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--gradient-surface);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 4px;
  background: var(--gradient-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: var(--transition-normal);
}

.skill:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 25px rgba(0, 188, 212, 0.2);
  border-color: var(--cyan);
  background: rgba(0, 188, 212, 0.08);
}

.skill:hover::before {
  transform: scaleY(1);
}

.skill__name { 
  font-weight: 600;
  color: var(--color-text);
  font-size: 1.0625rem;
}

.skill__level { 
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  letter-spacing: 0.1em;
}

.note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-style: italic;
  margin-top: var(--space-lg);
}

/* Timeline elegante */
.timeline { 
  list-style: none; 
  padding: 0; 
  margin: 0; 
  display: grid; 
  gap: var(--space-xl);
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: var(--space-lg);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.timeline__item { 
  position: relative;
  padding-left: var(--space-3xl);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(var(--space-lg) - 8px);
  top: var(--space-xl);
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border: 4px solid var(--color-surface);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .timeline::before {
    left: var(--space-md);
  }
  .timeline__item {
    padding-left: var(--space-2xl);
  }
  .timeline__item::before {
    left: calc(var(--space-md) - 6px);
    width: 12px;
    height: 12px;
  }
}

/* Timeline para móveis pequenos */
@media (max-width: 480px) {
  .timeline {
    gap: var(--space-lg);
    max-width: 100%;
    padding: 0;
  }
  
  .timeline::before {
    left: var(--space-sm);
  }
  
  .timeline__item {
    padding-left: var(--space-xl);
    margin: 0;
  }
  
  .timeline__item::before {
    left: calc(var(--space-sm) - 4px);
    top: var(--space-md);
    width: 8px;
    height: 8px;
    border: 2px solid var(--color-surface);
  }
  
  .timeline__item .card {
    padding: var(--space-md);
    margin: 0;
  }
  
  .timeline__item .card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  .timeline__item .card__title {
    font-size: 1rem;
    line-height: 1.3;
  }
  
  .timeline__item .card__meta {
    font-size: 0.8rem;
  }
  
  .timeline__item .card__list li {
    font-size: 0.9rem;
    line-height: 1.4;
  }
}

/* Timeline para telas muito pequenas */
@media (max-width: 320px) {
  .timeline {
    gap: var(--space-md);
  }
  
  .timeline::before {
    left: 6px;
  }
  
  .timeline__item {
    padding-left: var(--space-lg);
  }
  
  .timeline__item::before {
    left: 2px;
    top: var(--space-sm);
    width: 6px;
    height: 6px;
    border: 1px solid var(--color-surface);
  }
  
  .timeline__item .card {
    padding: var(--space-sm);
  }
  
  .timeline__item .card__title {
    font-size: 0.9rem;
  }
  
  .timeline__item .card__meta {
    font-size: 0.75rem;
  }
  
  .timeline__item .card__list li {
    font-size: 0.85rem;
  }
}

/* Projetos em destaque com mais profissionalismo */
.projects { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); 
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.project {
  transition: var(--transition-normal);
  position: relative;
}

.project.featured {
  border: 2px solid var(--color-accent-light);
  background: linear-gradient(135deg, var(--color-surface) 0%, #f8faff 100%);
}

.project__badge {
  position: absolute;
  top: -1px;
  right: var(--space-lg);
  background: var(--gradient-accent);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-md);
}

.project:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 188, 212, 0.3);
  border-color: var(--cyan);
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.05) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.project__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
}

.metric {
  text-align: center;
}

.metric__value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.metric__label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project__tech {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-section);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.project__tech strong {
  color: var(--color-text);
}

.projects-cta {
  text-align: center;
  margin-top: var(--space-4xl);
  padding: var(--space-2xl);
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.projects-cta p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.tags { 
  display: flex; 
  gap: var(--space-sm); 
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.tag { 
  background: var(--color-bg-section);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: var(--transition-normal);
}

.tag:hover {
  background: var(--color-accent);
  color: white;
  transform: scale(1.05);
}

/* Seção de contato redesenhada */
.contact { 
  display: grid; 
  gap: var(--space-3xl); 
  grid-template-columns: 1fr;
  align-items: start;
}

.contact__card {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}

.contact__card h3 {
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.contact__card h3::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
}

.contact__list { 
  list-style: none; 
  padding: 0; 
  margin: 0; 
  display: grid; 
  gap: var(--space-lg);
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.contact__item:hover {
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact__item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__item div {
  flex: 1;
}

.contact__item strong {
  display: block;
  color: var(--color-text);
  font-size: 0.9375rem;
  margin-bottom: var(--space-xs);
}

.contact__item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-normal);
}

.contact__item a:hover {
  color: var(--color-accent);
}

.link--copy {
  background: none; 
  border: 1px solid var(--color-border); 
  color: var(--color-accent); 
  cursor: pointer; 
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  margin-left: var(--space-sm);
  transition: var(--transition-normal);
}

.link--copy:hover {
  background: var(--cyan);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 188, 212, 0.3);
}

.availability {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.availability__status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-weight: 600;
  color: var(--color-text);
}

.status-indicator {
  width: 12px;
  height: 12px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.availability p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0;
}

.contact__form { 
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-3xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.contact__form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.contact__form h3 {
  margin: 0 0 var(--space-xl);
  color: var(--color-text);
  font-size: 1.375rem;
}

.form__row { 
  display: grid; 
  gap: var(--space-sm); 
  margin-bottom: var(--space-lg);
}

.form__row label {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.9375rem;
}

.form__row input, 
.form__row textarea,
.form__row select { 
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font: inherit;
  background: var(--color-surface);
  transition: var(--transition-normal);
  resize: vertical;
}

.form__row input:hover, 
.form__row textarea:hover,
.form__row select:hover { 
  border-color: rgba(0, 188, 212, 0.5);
  transform: translateY(-1px);
}

.form__row input:focus, 
.form__row textarea:focus,
.form__row select:focus { 
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.15);
  transform: translateY(-2px);
  background: rgba(0, 188, 212, 0.02);
}

.form__error { 
  color: #dc2626; 
  font-size: 0.8125rem; 
  min-height: 18px;
  font-weight: 500;
}

.form__actions { 
  display: flex; 
  align-items: center; 
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-xl);
}

.form__hint { 
  color: var(--color-text-muted); 
  font-size: 0.8125rem;
  font-style: italic;
  margin: 0;
}

@media (min-width: 1024px) {
  .contact { 
    grid-template-columns: 1fr 1fr; 
    gap: var(--space-4xl);
  }
}

/* Footer discreto e profissional */
.footer {
  background: linear-gradient(135deg, var(--color-bg-section) 0%, var(--color-bg-alt) 100%);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4xl);
  padding: var(--space-2xl) 0 var(--space-lg);
  color: var(--color-text-secondary);
}

.footer__content {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
  align-items: center;
}

.footer__brand-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer__logo {
  min-width: 56px;
  min-height: 56px;
  border-radius: var(--radius-sm);
  filter: drop-shadow(var(--shadow-sm));
}

.footer__brand-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__brand h3 {
  color: var(--color-text);
  font-size: 1.25rem;
  margin: 0;
  font-weight: 600;
}

.footer__brand p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.footer__nav {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.footer__nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  padding: var(--space-xs) 0;
  transition: var(--transition-normal);
  position: relative;
}

.footer__nav a:hover {
  color: var(--color-accent);
}

.footer__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition-normal);
}

.footer__nav a:hover::after {
  width: 100%;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  align-items: center;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.footer__social-link:hover {
  background: var(--cyan);
  color: white;
  border-color: var(--cyan);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 188, 212, 0.4);
  box-shadow: var(--shadow-md);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  text-align: center;
}

.footer__bottom p {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  margin: 0;
}

@media (min-width: 768px) {
  .footer__content {
    grid-template-columns: 1fr 2fr 1fr;
    text-align: left;
  }
  
  .footer__nav {
    justify-content: center;
  }
  
  .footer__social {
    justify-content: flex-end;
  }
  
  .footer__brand {
    text-align: left;
  }
}

/* Utilitários */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Estilos para impressão */
@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
  }
  
  .site-header,
  .nav-toggle,
  .footer {
    display: none;
  }
  
  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }
  
  .card {
    border: 1px solid #000;
    page-break-inside: avoid;
  }
  
  a[href]:after {
    content: " (" attr(href) ")";
  }
}

/* Cards com design refinado e elegante */
.card {
  position: relative;
  transition: all var(--transition-normal);
  transform-style: preserve-3d;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  transform-origin: left;
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 20px 40px rgba(13, 71, 161, 0.1),
    0 8px 16px rgba(13, 71, 161, 0.05);
  border-color: var(--color-accent-light);
}

/* Timeline refinada */
.timeline::before {
  background: linear-gradient(to bottom, var(--color-accent), var(--color-primary));
  box-shadow: 0 0 8px rgba(33, 150, 243, 0.2);
  width: 2px;
}

.timeline__marker {
  background: var(--color-surface);
  border: 3px solid var(--color-accent);
  box-shadow: 
    0 0 0 4px var(--color-surface),
    0 0 12px rgba(33, 150, 243, 0.3);
}

/* Seções com gradientes sutis refinados */
.section:nth-child(even) {
  background: 
    linear-gradient(135deg, var(--color-bg-section) 0%, var(--color-bg-alt) 100%);
  position: relative;
}

.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(33, 150, 243, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.section:nth-child(even) > * {
  position: relative;
  z-index: 1;
}

/* Botões com efeitos ripple avançados */
.btn {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
  z-index: -1;
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

/* ============================================
   RESPONSIVIDADE MÓVEL COMPLETA
   ============================================ */

/* ========== MOBILE PEQUENO (320px - 480px) ========== */
@media (max-width: 480px) {
  :root {
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  /* Header móvel otimizado */
  .header {
    padding: var(--space-sm) 0;
  }
  
  .brand__logo {
    min-width: 40px;
    min-height: 40px;
  }
  
  .brand__text {
    font-size: 0.9rem;
  }

  /* Hero responsivo */
  .hero {
    padding: var(--space-xl) 0;
    min-height: auto;
  }
  
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }
  
  .hero__title {
    font-size: 1.75rem;
    line-height: 1.2;
  }
  
  .hero__subtitle {
    font-size: 1rem;
  }
  
  .hero__description {
    font-size: 0.9rem;
  }
  
  .hero__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }
  
  .stat__number {
    font-size: 1.5rem;
  }
  
  .stat__label {
    font-size: 0.75rem;
  }
  
  .hero__actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .btn--large {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
  }
  
  .hero__image {
    order: -1;
  }
  
  .hero__image-wrapper {
    width: 200px;
    height: 200px;
    margin: 0 auto;
  }
  
  .hero__watermark-logo {
    width: 100px;
    height: 100px;
  }

  /* Seções móveis */
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 0.9rem;
  }

  /* About responsivo */
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .highlight-card {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  
  .highlight-card__icon {
    width: 36px;
    height: 36px;
  }

  /* Skills móveis */
  .skills {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .skill {
    padding: var(--space-sm);
  }

  /* Projetos móveis */
  .projects {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Footer móvel */
  .footer__content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }
  
  .footer__logo {
    min-width: 40px;
    min-height: 40px;
  }
  
  .footer__social {
    justify-content: center;
  }

  /* Navegação móvel */
  .nav {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(0);
    transition: transform 0.3s ease;
    z-index: 1000;
  }
  
  .nav.active {
    transform: translateY(-100%);
  }
  
  .nav__list {
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-sm);
  }
  
  .nav__link {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
  }
}

/* ========== MOBILE MÉDIO (481px - 768px) ========== */
@media (min-width: 481px) and (max-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }

  /* Header */
  .brand__logo {
    min-width: 48px;
    min-height: 48px;
  }

  /* Hero */
  .hero__title {
    font-size: 2rem;
  }
  
  .hero__image-wrapper {
    width: 250px;
    height: 250px;
  }
  
  .hero__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
  
  .hero__watermark-logo {
    width: 120px;
    height: 120px;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* Skills */
  .skills {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  /* Projetos */
  .projects {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  /* Footer */
  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* ========== TABLET (769px - 1024px) ========== */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    max-width: 720px;
  }

  /* Hero otimizado para tablet */
  .hero__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
  }
  
  .hero__title {
    font-size: 2.25rem;
  }
  
  .hero__image-wrapper {
    width: 300px;
    height: 300px;
  }

  /* Skills em 3 colunas */
  .skills {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Projetos em 2 colunas */
  .projects {
    grid-template-columns: repeat(2, 1fr);
  }

  /* About layout otimizado */
  .about__grid {
    grid-template-columns: 1fr 300px;
    gap: var(--space-2xl);
  }
}

/* ========== AJUSTES ESPECÍFICOS PARA ELEMENTOS ========== */

/* Formulário responsivo */
@media (max-width: 768px) {
  .contact__form {
    max-width: 100%;
  }
  
  .form__row.form__row--group {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .btn--whatsapp {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
  }
}

/* Certificações responsivas */
@media (max-width: 768px) {
  .certifications {
    max-height: 300px;
  }
  
  .cert {
    padding: var(--space-sm) var(--space-md);
  }
  
  .cert strong {
    font-size: 0.9rem;
  }
  
  .cert span {
    font-size: 0.8rem;
  }
}

/* Transições geométricas mobile */
@media (max-width: 768px) {
  .geometric-transition {
    height: 60px;
  }
  
  .transition-logo {
    width: 32px;
    height: 32px;
  }
  
  .floating-shape {
    width: 20px;
    height: 20px;
  }
}

/* Estatísticas hero mobile */
@media (max-width: 480px) {
  .hero__stats {
    margin: var(--space-lg) 0;
  }
  
  .stat {
    padding: var(--space-sm);
  }
}

/* Menu toggle sempre visível em mobile */
@media (max-width: 1023px) {
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    gap: 4px;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
  }
  
  .nav.active {
    display: block;
  }
  
  .nav__list {
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-sm);
  }
  
  .nav__link {
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    display: block;
    text-align: center;
  }
}

/* Desktop - esconde toggle e mostra nav normal */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
  
  .nav {
    display: block !important;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
  }
  
  .nav__list {
    flex-direction: row;
    padding: 0;
    gap: var(--space-lg);
  }
}

/* Otimizações de performance para mobile */
@media (max-width: 768px) {
  .hero__shapes {
    display: none; /* Remove formas decorativas em mobile */
  }
  
  .hero__watermark {
    opacity: 0.2; /* Reduz opacidade do watermark */
  }
  
  /* Reduz animações complexas em mobile para melhor performance */
  .floating-shape {
    animation-duration: 12s; /* Animações mais lentas */
    animation-timing-function: linear;
  }
  
  /* Simplifica animações de hover em mobile */
  .highlight-card:hover,
  .project:hover,
  .skill:hover,
  .cert:hover {
    transform: translateY(-2px); /* Reduz movimento */
  }
  
  /* Remove algumas animações pesadas em mobile */
  @media (prefers-reduced-motion: no-preference) {
    .hero__watermark-logo {
      animation: none; /* Remove animação flutuante */
    }
  }
}

/* Otimizações específicas para dispositivos touch */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects que não funcionam em touch */
  .btn:hover,
  .nav__link:hover,
  .highlight-card:hover,
  .project:hover,
  .skill:hover {
    transform: none;
  }
  
  /* Adiciona feedback visual para touch */
  .btn:active,
  .nav__link:active {
    transform: scale(0.98);
    opacity: 0.8;
  }
}

/* Performance e bateria para mobile */
@media (max-width: 768px) {
  /* Otimiza rendering */
  .hero__image-wrapper,
  .highlight-card,
  .project,
  .skill {
    will-change: auto; /* Evita layers desnecessárias */
  }
  
  /* Reduz blur effects que consomem muito processamento */
  .hero__shapes::before,
  .hero__shapes::after {
    backdrop-filter: none;
    filter: none;
  }
}

/* ========== AJUSTES FINAIS PARA TODOS OS DISPOSITIVOS ========== */

/* Fix para iOS Safari */
@supports (-webkit-touch-callout: none) {
  .hero {
    min-height: -webkit-fill-available;
  }
  
  /* Corrige viewport height no iOS */
  @media (max-width: 768px) {
    .hero {
      min-height: calc(100vh - 70px);
    }
  }
}

/* Fix para Samsung Internet e outros browsers Android */
@media (max-width: 768px) {
  /* Previne zoom horizontal */
  .container {
    max-width: 100vw;
    overflow-x: hidden;
  }
  
  /* Garante que inputs não causem zoom */
  input, textarea, select {
    font-size: 16px !important;
  }
}

/* Ajustes específicos para tablets em modo retrato */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  
  .hero__image {
    order: -1;
  }
  
  .hero__image-wrapper {
    width: 280px;
    height: 280px;
    margin: 0 auto;
  }
}

/* Ajustes para telas muito largas */
@media (min-width: 1400px) {
  .container {
    max-width: 1200px;
  }
  
  .hero__title {
    font-size: 3.5rem;
  }
  
  .hero__image-wrapper {
    width: 450px;
    height: 450px;
  }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
  .hero__watermark-logo,
  .floating-shape,
  .transition-logo {
    animation: none !important;
  }
  
  .highlight-card,
  .project,
  .skill,
  .btn {
    transition: none !important;
  }
}

/* Dark mode considerations para mobile */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
  .hero__watermark {
    opacity: 0.1;
  }
  
  .hero__shapes {
    opacity: 0.3;
  }
}

/* Print styles para mobile */
@media print {
  .nav-toggle,
  .hero__shapes,
  .hero__watermark,
  .floating-shape,
  .transition-logo {
    display: none !important;
  }
  
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .hero__image {
    order: -1;
  }
}

/* ========== LANDSCAPE MOBILE ========== */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    padding: var(--space-lg) 0;
  }
  
  .hero__grid {
    grid-template-columns: 1fr 0.8fr;
    gap: var(--space-lg);
  }
  
  .hero__image-wrapper {
    width: 180px;
    height: 180px;
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
}

/* ========== ACESSIBILIDADE MÓVEL ========== */
@media (max-width: 768px) {
  /* Aumenta área de toque */
  .btn, .nav__link, .footer__social-link {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Melhora contraste em telas pequenas */
  .hero__subtitle {
    color: var(--color-text-secondary);
  }
  
  /* Espaçamento adequado para dedos */
  .hero__actions {
    gap: var(--space-md);
  }
}

/* ========== MUITO PEQUENO (< 320px) ========== */
@media (max-width: 320px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .hero__title {
    font-size: 1.5rem;
  }
  
  .hero__image-wrapper {
    width: 150px;
    height: 150px;
  }
  
  .hero__stats {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .stat {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }
  
  .brand__text {
    display: none; /* Esconde texto da marca em telas muito pequenas */
  }
}

/* ========== MELHORIAS ADICIONAIS DE UX MOBILE ========== */

/* Touch-friendly para todos os elementos interativos */
@media (max-width: 1023px) {
  .btn, .nav__link, .footer__social-link, .link--copy {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
  }
  
  /* Melhora espaçamento dos cards em mobile */
  .highlight-card, .project, .skill, .cert {
    margin-bottom: var(--space-md);
  }
  
  /* Hero melhorado para mobile */
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Footer otimizado */
  .footer__social-link {
    width: 48px;
    height: 48px;
  }
  
  /* Formulário otimizado */
  .form__row input,
  .form__row textarea,
  .form__row select {
    font-size: 16px; /* Previne zoom no iOS */
    padding: var(--space-md);
  }
}

/* Otimizações específicas para iPhone e Android */
@media (max-width: 768px) {
  /* Previne zoom horizontal */
  html {
    overflow-x: hidden;
  }
  
  body {
    overflow-x: hidden;
  }
  
  /* Melhora performance em mobile */
  * {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* Otimiza scroll em mobile */
  .section {
    scroll-margin-top: 80px;
  }
  
  /* Melhora legibilidade */
  .hero__description,
  .section-subtitle,
  p {
    line-height: 1.6;
  }
}

/* Ajustes para orientação landscape em mobile */
@media (max-width: 768px) and (orientation: landscape) and (max-height: 500px) {
  .hero {
    padding: var(--space-md) 0;
  }
  
  .hero__title {
    font-size: 1.5rem;
  }
  
  .hero__image-wrapper {
    width: 150px;
    height: 150px;
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .hero__stats {
    margin: var(--space-md) 0;
  }
}

/* Melhorias para tablets pequenos */
@media (min-width: 481px) and (max-width: 768px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .btn--large {
    flex: 1;
    min-width: 160px;
  }
}

/* Ajustes para evitar problemas de layout */
@media (max-width: 768px) {
  /* Evita overflow em elementos com animação */
  .floating-shape,
  .hero__shape {
    max-width: 100vw;
  }
  
  /* Garante que imagens não quebrem o layout */
  img {
    max-width: 100%;
    height: auto;
  }
  
  /* Melhora área de toque para links */
  a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}