/* ============================================
   STUDIO CREATIVO — Design System
   Theme: Creative & Artistic / Playful
   ============================================ */

/* --- Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --primary: #3B82F6;
  --primary-hover: #2563EB;
  --secondary: #8B5CF6;
  --secondary-hover: #7C3AED;
  --success: #16A34A;
  --warning: #D97706;
  --danger: #DC2626;
  --surface: #FFFFFF;
  --text: #111827;
  --text-muted: #6B7280;
  --neutral: #FFFFFF;
  --bg-alt: #F3F4F6;
  --border: #E5E7EB;

  /* Typography */
  --font-primary: 'Bangers', cursive;
  --font-display: 'Bangers', cursive;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  /* Font sizes (scale) */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--primary-hover); }

ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--text);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; margin-bottom: var(--space-5); }
h3 { font-size: 1.75rem; margin-bottom: var(--space-3); }
h4 { font-size: 1.25rem; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* --- Section --- */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: var(--text-lg);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 28px;
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  letter-spacing: 0.05em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--text);
}

.btn-secondary:hover {
  background: var(--text);
  color: var(--surface);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text);
  letter-spacing: 0.05em;
}

.nav-logo span { color: var(--primary); }

.nav-links {
  display: flex;
  gap: var(--space-6);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all var(--transition-base);
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.85) 0%, rgba(59, 130, 246, 0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 720px;
}

.hero-content h1 {
  font-size: 4.5rem;
  color: #fff;
  margin-bottom: var(--space-5);
  line-height: 1;
}

.hero-content h1 span {
  display: block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-6);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-5);
}

.hero-decor {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  z-index: 1;
  opacity: 0.15;
}

/* --- Portfolio Grid --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.portfolio-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-alt);
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.portfolio-item-lg { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 24, 39, 0.9), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
  color: #fff;
}

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

.portfolio-overlay h3 { color: #fff; font-size: var(--text-xl); margin-bottom: var(--space-1); }
.portfolio-overlay p { font-size: var(--text-sm); color: rgba(255, 255, 255, 0.7); }

.portfolio-tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Services --- */
.services {
  background: var(--bg-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.1);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xl);
}

.service-card:nth-child(2) .service-icon { background: var(--secondary); }
.service-card:nth-child(3) .service-icon { background: var(--success); }

.service-card h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.service-card p { color: var(--text-muted); font-size: var(--text-sm); line-height: 1.7; }

.service-details {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.service-details li {
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: var(--space-1) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.service-details li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
}

/* --- Team --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

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

.team-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: var(--space-4);
  border: 3px solid var(--border);
  transition: border-color var(--transition-base);
}

.team-card:hover img { border-color: var(--primary); }

.team-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-1); }
.team-card .role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.team-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-2);
}

/* --- Manifesto Section --- */
.manifesto {
  position: relative;
  overflow: hidden;
}

.manifesto-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.manifesto-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.manifesto-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.9), rgba(59, 130, 246, 0.85));
  z-index: 1;
}

.manifesto .container {
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
  padding: 100px 0;
}

.manifesto h2 { color: #fff; font-size: 3.5rem; }
.manifesto p {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto var(--space-6);
}

/* --- Stats --- */
.stats {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: #fff;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-1);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.contact-info h3 { margin-bottom: var(--space-4); }

.contact-info p {
  color: var(--text-muted);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.contact-detail {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  align-items: flex-start;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-alt);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
}

.contact-detail h4 { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600; }
.contact-detail p { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 0; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
  background: var(--surface);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* --- Footer --- */
.footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-6) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-brand h3 {
  font-family: var(--font-display);
  color: #fff;
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.footer-brand h3 span { color: var(--primary); }

.footer-brand p {
  font-size: var(--text-sm);
  max-width: 280px;
}

.footer h4 {
  font-family: var(--font-body);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  display: block;
  padding: var(--space-1) 0;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-links a { padding: var(--space-1); }

/* --- Decorative shapes --- */
.deco-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  pointer-events: none;
}

/* --- Mobile Menu Overlay --- */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: var(--space-5);
    gap: var(--space-4);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-toggle { display: flex; }

  .hero-content h1 { font-size: 2.8rem; }
  .hero-decor { display: none; }

  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-item-lg { grid-column: span 2; }

  .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { flex-wrap: wrap; gap: var(--space-5); }
  .manifesto h2 { font-size: 2.5rem; }
}

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item-lg { grid-column: span 1; }
  .team-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-4); text-align: center; }
  .hero-actions { flex-direction: column; }
  .hero-content h1 { font-size: 2.2rem; }
}

/* --- Utility Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Accessibility --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 9999;
  border-radius: 4px;
}

.skip-link:focus { top: var(--space-2); }