/* ============================================
   TAKK.SPACE — Design System
   Futuristic Minimal Dark Theme
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --bg:              #050507;
  --bg-surface:      #0e0e12;
  --bg-card:         #131318;
  --bg-elevated:     #1a1a22;

  --text-primary:    #f0f0f3;
  --text-secondary:  #8b8b9e;
  --text-muted:      #55556a;

  --accent:          #6c5ce7;
  --accent-light:    #a29bfe;
  --accent-glow:     rgba(108, 92, 231, 0.25);
  --accent-subtle:   rgba(108, 92, 231, 0.08);

  --border:          rgba(255, 255, 255, 0.06);
  --border-hover:    rgba(255, 255, 255, 0.12);
  --border-accent:   rgba(108, 92, 231, 0.3);

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --section-py: 6rem;
  --container-max: 72rem;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-py) 0;
  position: relative;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  color: var(--text-secondary);
  max-width: 40em;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Grid Pattern Background --- */
.bg-grid {
  position: relative;
}

.bg-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: 60px 60px;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.bg-grid > * {
  position: relative;
  z-index: 1;
}

/* --- Ambient Glow --- */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-accent {
  background: var(--accent);
  opacity: 0.06;
}

.glow-purple {
  background: #a29bfe;
  opacity: 0.04;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}

.navbar.scrolled {
  background: rgba(5, 5, 7, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: color 0.2s var(--ease);
}

.navbar-nav a:hover {
  color: var(--text-primary);
}

/* Mobile nav */
@media (max-width: 768px) {
  .navbar-nav { display: none; }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding-top: 6rem;
}

.hero-content {
  max-width: 52rem;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--accent-subtle);
  margin-bottom: 2.5rem;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 36em;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  min-height: 48px;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  box-shadow: 0 0 24px -6px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px -4px rgba(108, 92, 231, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  color: var(--accent-light);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 4rem;
}

.section-header .label {
  margin-bottom: 1rem;
  display: block;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  margin: 0 auto;
}

/* Section divider line */
.section-divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.section-divider .line {
  height: 1px;
  width: 3rem;
  background: var(--border-hover);
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* --- Card --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px -12px rgba(108, 92, 231, 0.1);
}

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

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  display: block;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

/* Service status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-available {
  background: rgba(46, 213, 115, 0.1);
  color: #2ed573;
  border: 1px solid rgba(46, 213, 115, 0.2);
}

.badge-available::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #2ed573;
  animation: pulse-dot 2s ease-in-out infinite;
}

.badge-soon {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Card as link */
a.card {
  display: block;
  text-decoration: none;
}

a.card:hover h3 {
  color: var(--accent-light);
}

/* Coming soon card */
.card.coming-soon {
  opacity: 0.5;
}

.card.coming-soon:hover {
  opacity: 0.7;
  transform: none;
  border-color: var(--border);
  box-shadow: none;
}

/* ============================================
   FEATURES (Por que usar)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  padding: 2rem;
  border-radius: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-subtle);
  border: 1px solid var(--border-accent);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  line-height: 1.7;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: block;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 42rem;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-item summary {
  padding: 1.5rem 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-primary);
  transition: color 0.2s var(--ease);
}

.faq-item summary:hover {
  color: var(--accent-light);
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent-light);
}

.faq-item .faq-answer {
  padding: 0 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Remove default marker */
.faq-item summary::-webkit-details-marker { display: none; }

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  text-align: center;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  margin: 0 auto 2rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: color 0.2s var(--ease);
}

.footer-nav a:hover {
  color: var(--text-secondary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   PAGE CONTENT (Privacidade, Termos, Sobre)
   ============================================ */
.page-content {
  max-width: 48rem;
  margin: 0 auto;
  padding-top: 8rem;
  padding-bottom: 4rem;
}

.page-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}

.page-content .page-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.page-content h2 {
  font-size: 1.4rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.page-content h3 {
  font-size: 1.1rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.page-content p {
  margin-bottom: 1rem;
  max-width: none;
}

.page-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.page-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.page-content a {
  color: var(--accent-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-top: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }