:root {
  --neon-magenta: #FF00E6;
  --neon-cyan: #00F0FF;
  --black-absolute: #000000;
  --graphite: #0D0D0F;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  background-color: var(--black-absolute);
  color: #FFFFFF;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  overflow-x: hidden;
  height: 100%;
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, #FF00E6, #00F0FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: rgba(13, 13, 15, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-magenta), var(--neon-cyan));
  color: white;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 0, 230, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 1rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--neon-cyan);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-blob-1, .hero-blob-2 {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.3;
  animation: float 8s ease-in-out infinite;
}

.hero-blob-1 {
  width: 40rem;
  height: 40rem;
  background: var(--neon-magenta);
  top: 10%;
  left: -10%;
}

.hero-blob-2 {
  width: 35rem;
  height: 35rem;
  background: var(--neon-cyan);
  bottom: 10%;
  right: -10%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.1); }
}

/* Form Styles */
input, textarea, select {
  width: 100%;
  padding: 0.875rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  color: white;
  font-size: 1rem;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.1);
}

select option {
  background-color: #1a1a1a;
  color: white;
  padding: 0.5rem;
}

/* Scroll to top button */
#scroll-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF00E6, #00F0FF);
  border: none;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: 0 4px 20px rgba(255, 0, 230, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

#scroll-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#scroll-to-top-btn:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 30px rgba(255, 0, 230, 0.6);
  background: linear-gradient(135deg, #FF00E6, #00D4FF);
}

#scroll-to-top-btn:active {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 20px rgba(255, 0, 230, 0.5);
}

/* Animação de pulso para o botão */
@keyframes pulse-button {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(255, 0, 230, 0.4);
  }
  50% {
    box-shadow: 0 4px 25px rgba(255, 0, 230, 0.6);
  }
}

#scroll-to-top-btn.visible {
  animation: pulse-button 2s ease-in-out infinite;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* Section Spacing */
section {
  padding: 6rem 0;
}

section:first-of-type {
  padding-top: 2rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.3;
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

p {
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* Animation */
.fade-in {
  animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: 4rem 0;
  }

  .container {
    padding: 0 1rem;
  }

  section {
    padding: 4rem 0;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .glass-card {
    padding: 1.5rem;
  }

  section {
    padding: 3rem 0;
  }
}

/* Additional Utility Classes */
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* Better responsive grid behavior */
@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Fix for inline-grid layouts */
.inline-grid {
  display: inline-grid;
}

/* Improved glass card spacing */
.glass-card + .glass-card {
  margin-top: 1.5rem;
}

.grid-3 .glass-card,
.grid-2 .glass-card,
.grid-4 .glass-card {
  margin-top: 0;
}

/* Better button spacing */
.btn-primary,
.btn-secondary {
  margin: 0;
}

/* Ensure proper box-sizing for all elements */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Profile page specific responsive fixes */
@media (max-width: 768px) {
  section[style*="margin-left: 45%"] {
    margin-left: 0 !important;
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }

  div[style*="width: 40%"] {
    display: none !important;
  }
}

/* Footer responsive grid */
@media (max-width: 640px) {
  footer div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

/* Form spacing improvements */
form > div {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

/* Consistent card spacing in grids */
.grid-2 > *,
.grid-3 > *,
.grid-4 > * {
  height: 100%;
}

/* Navigation links smooth hover */
.nav-links a {
  position: relative;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--neon-cyan) !important;
}

/* Underline animado apenas para links de texto (não logo, não botões) */
.nav-links li a:not(.btn-primary)::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-cyan));
  transition: width 0.3s ease;
}

.nav-links li a:not(.btn-primary):hover::after {
  width: 100%;
}

/* Scroll offset para âncoras */
section[id] {
  scroll-margin-top: 100px;
}

/* Nav responsive */
@media (max-width: 768px) {
  .nav-links,
  ul[style*="display: flex"][style*="gap: 2rem"] {
    flex-direction: column;
    gap: 1rem !important;
    align-items: flex-start !important;
  }

  nav .container,
  header .container {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start !important;
  }
}

/* Hero section responsive */
@media (max-width: 992px) {
  .hero-section {
    padding: 5rem 0;
  }

  [style*="grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
}

/* Button group responsive */
@media (max-width: 480px) {
  [style*="display: flex"][style*="gap: 1rem"] a.btn-primary,
  [style*="display: flex"][style*="gap: 1rem"] a.btn-secondary {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

/* Ensure images don't overflow */
img {
  max-width: 100%;
  height: auto;
}

/* Better text wrapping */
h1, h2, h3, h4, h5, h6 {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Form message animations */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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