/* Idea Gridroom - Landing Page Styles */
/* Dark theme consistent with the app */

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --border: #262626;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --accent: #a855f7;
  --accent-hover: #9333ea;
  --accent-glow: rgba(168, 85, 247, 0.2);
  --success: #22c55e;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.logo-img {
  width: 28px;
  height: 28px;
}

.logo-icon {
  font-size: 24px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

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

.btn-secondary:hover {
  border-color: var(--text-muted);
  background: var(--bg-card);
}

/* Hero */
.hero {
  padding: 180px 0 120px;
  text-align: center;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 80px;
}

.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-note {
  font-size: 13px;
  color: var(--text-muted);
}

.hero-preview {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

/* Telas grandes (1440px+) */
@media (min-width: 1440px) {
  .hero-preview {
    max-width: 1600px;
  }
}

/* Telas muito grandes (1920px+) */
@media (min-width: 1920px) {
  .hero-preview {
    max-width: 1800px;
  }
}

/* Problem Section */
.problem {
  padding: 100px 0;
  background: var(--bg-card);
}

.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.problem-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.problem-icon i {
  font-size: 48px;
}

.problem-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.problem-card p {
  color: var(--text-muted);
  font-size: 14px;
}

/* Solution Section */
.solution {
  padding: 100px 0;
}

.solution-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.feature {
  text-align: center;
  padding: 24px;
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 16px;
  color: var(--accent);
}

.feature-icon i {
  font-size: 40px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  color: var(--text-muted);
  font-size: 14px;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--bg-card);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.feature-check {
  color: var(--success);
  font-weight: 600;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}

.pricing-card.popular {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.pricing-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-size: 40px;
  font-weight: 800;
}

.price-period {
  color: var(--text-muted);
  font-size: 14px;
}

.price-save {
  color: var(--success);
  font-size: 13px;
  margin-top: 8px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-features .check {
  color: var(--success);
  font-weight: 600;
}

/* FAQ Section */
.faq {
  padding: 100px 0;
  background: var(--bg-card);
}

.faq-list {
  max-width: 700px;
  margin: 48px auto 0;
}

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

.faq-item summary {
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--text-muted);
  transition: transform var(--transition);
}

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

.faq-item p {
  padding: 0 0 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* CTA Final */
.cta-final {
  padding: 100px 0;
  text-align: center;
}

.cta-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-subtitle {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 32px;
}

/* Footer */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 13px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-left: 0;
    padding: 8px 16px 16px;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }

  .nav.active {
    display: flex;
  }

  .nav-link {
    padding: 14px 8px;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .problem-grid,
  .solution-features,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Language selector (mesmo padrão do app: localStorage 'ig.lang') */
.lang-selector {
  position: relative;
  margin-left: auto;
  margin-right: 12px;
}

.lang-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lang-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  padding: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lang-menu[hidden] {
  display: none;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}

.lang-option:hover {
  background: var(--bg-card-hover);
}

.lang-option.is-current {
  color: var(--accent);
}

.lang-flag {
  font-size: 16px;
  line-height: 1;
}

.lang-name {
  flex: 1;
}

.lang-check {
  color: var(--accent);
  font-weight: 700;
}