/* =====================
   TOKENS UNIFICADOS (Sistema Aprimorado)
   ===================== */
:root {
  /* Cores principais */
  --brand: #6B63FF;
  --brand-2: #92A7EC;
  --bg: #1F263A;
  --bg-soft: #20283E;
  --text: #F4F6FB;
  --muted: #9AA1BD;
  --border: rgba(154, 161, 189, 0.32);

  /* Estados */
  --ring: #6B63FF;
  --hover: #5a52e6;
  --active: #4b45c9;

  /* Gradientes e sombras */
  --gradient: linear-gradient(135deg, #6B63FF 0%, #92A7EC 100%);
  --shadow: 0 10px 30px rgba(107, 99, 255, 0.16);
  --shadow-hover: 0 20px 40px rgba(107, 99, 255, 0.25);

  /* Espaçamento consistente */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Bordas */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transições */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* =====================
   TIPOGRAFIA
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--muted);
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}

/* =====================
   LAYOUT E CONTAINERS
   ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 800px;
}

/* =====================
   COMPONENTES DE LAYOUT
   ===================== */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-alt {
  background: var(--bg-soft);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient);
  margin: var(--space-md) auto 0;
  border-radius: var(--radius);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.gray {
  color: gray;
}

/* =====================
   HEADER E NAVEGAÇÃO
   ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(31, 38, 58, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}
/* =====================
   BRAND LOGO
   ===================== */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  transition: var(--transition);
}

.brand-logo:hover {
  transform: translateY(-1px);
}

.brand-logo__img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
}

.brand-logo__text {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-logo__accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  z-index: 1001;
}

.logo span {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  color: var(--text);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--brand);
  background: rgba(107, 99, 255, 0.08);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link.active::after {
  width: 20px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  gap: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  transform-origin: center;
}

/* =====================
   BOTÕES
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::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: var(--transition-slow);
}

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

.btn-primary {
  background: var(--brand);
  color: var(--text);
  box-shadow: var(--shadow);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--brand);
  color: var(--brand);
}

.btn-outline:hover {
  background: rgba(107, 99, 255, 0.08);
  transform: translateY(-2px);
}

/* =====================
   HERO SECTION
   ===================== */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  min-height: 100vh;
  padding: var(--space-3xl) 0;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-3xl);
  }
}

.hero-content {
  text-align: center;
}

@media (min-width: 768px) {
  .hero-content {
    text-align: left;
  }
}

.tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background: var(--brand-2);
  color: var(--bg);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--space-lg);
}

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

@media (min-width: 768px) {
  .hero-actions {
    justify-content: flex-start;
  }
}

.social-links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

@media (min-width: 768px) {
  .social-links {
    justify-content: flex-start;
  }
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--brand);
  border-color: var(--brand);
  transform: translateY(-2px);
}

.hero-card {
  display: flex;
  justify-content: center;
}

/* =====================
   CARDS
   ===================== */
.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--brand);
  box-shadow: var(--shadow-hover);
}

/* =====================
   GRIDS
   ===================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

@media (min-width: 992px) {
  .about-grid {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
  }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }
}

/* =====================
   COMPONENTES ESPECÍFICOS
   ===================== */
.service-card {
  text-align: center;
  padding: var(--space-2xl);
}

.service-icon {
  max-height: 80px;
  font-size: 3rem;
  margin-bottom: var(--space-lg);
}

.portfolio-item {
  overflow: hidden;
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.portfolio-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(31, 38, 58, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-placeholder {
  height: 250px;
  background: var(--bg-soft);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-weight: 600;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.tech-tag {
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--muted);
}

.skills-list {
  list-style: none;
  margin: var(--space-lg) 0;
}

.skills-list li {
  padding: var(--space-xs) 0;
  color: var(--muted);
  position: relative;
  padding-left: var(--space-md);
}

.skills-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--brand);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.contact-icon {
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: var(--radius);
}

/* =====================
   FORMULÁRIOS
   ===================== */
.field {
  display: flex;
  gap: var(--space-md);
  flex-direction: column;
}

@media (min-width: 480px) {
  .field {
    flex-direction: row;
  }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: 10px;
}

.form-group label {
  font-weight: 500;
  color: var(--text);
  font-size: 0.875rem;
  padding: 15px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--space-md);
  background: #222A41;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: var(--transition);
  resize: vertical;
}


.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(107, 99, 255, 0.1);
}

.form-group button{
  padding: 15px;
}

.btn.btn-primary.send-btn {
  padding: 16px 40px;
  margin-top: var(--space-md);
  width: 100%;
  max-width: 300px;
}

/* =====================
   FOOTER
   ===================== */
.footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

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

@media (min-width: 768px) {
  .footer-links {
    justify-content: flex-end;
  }
}

.footer-links a {
  color: var(--muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--brand);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
}

/* =====================
   CURSOR PERSONALIZADO
   ===================== */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--brand);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease;
}

.cursor-dot.hidden {
  opacity: 0;
}

/* =====================
   ANIMAÇÕES
   ===================== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.floating {
  animation: float 3s ease-in-out infinite;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* =====================
   RESPONSIVIDADE AVANÇADA
   ===================== */
@media (max-width: 767px) {
  .menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: var(--bg);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    z-index: 1000;
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .card {
    padding: var(--space-lg);
  }

  .services-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =====================
   UTILITÁRIOS
   ===================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-0 {
  margin-top: 0;
}

/* =====================
   ESTADOS DE CARREGAMENTO
   ===================== */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* =====================
   SCROLLBAR PERSONALIZADA
   ===================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--brand);
  border-radius: var(--radius);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--hover);
}