/* PinHub - Modern Responsive Stylesheet */
:root {
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --bg-dark: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-surface-hover: #283548;
  --bg-gradient: radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.12) 0%, rgba(11, 15, 25, 0) 70%);
  
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-light: rgba(245, 158, 11, 0.12);
  --primary-glow: rgba(245, 158, 11, 0.35);

  --accent-slack: #4a154b;
  --accent-slack-hover: #611f69;
  --accent-emerald: #10b981;
  --accent-emerald-bg: rgba(16, 185, 129, 0.15);
  --accent-rose: #f43f5e;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-focus: #f59e0b;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--primary-glow);
  
  --container-max: 1200px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: var(--bg-gradient);
  background-repeat: no-repeat;
  background-attachment: fixed;
}

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

a:hover {
  color: #fbbf24;
}

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(11, 15, 25, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-icon {
  font-size: 1.5rem;
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-links {
  display: none;
  list-style: none;
  gap: 1.8rem;
  align-items: center;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-slack {
  background-color: var(--accent-slack);
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
}

.btn-slack:hover {
  background-color: var(--accent-slack-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(74, 21, 75, 0.4);
}

.btn-slack-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background-color: var(--primary);
  color: #0b0f19 !important;
  font-weight: 700;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-medium);
  color: var(--text-primary) !important;
}

.btn-outline:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--primary);
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-content {
  max-width: 860px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fbbf24;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-title span {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
}

@media (min-width: 540px) {
  .hero-cta {
    flex-direction: row;
  }
}

.hero-guarantee {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mockup */
.mockup-window {
  margin-top: 3.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5);
  text-align: left;
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.25rem;
  background-color: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--border-subtle);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
}

.mockup-title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: monospace;
}

.mockup-body {
  padding: 1.5rem;
}

.slack-msg {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-dark);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
}

.slack-avatar {
  font-size: 2rem;
  line-height: 1;
}

.slack-content {
  flex: 1;
}

.slack-header-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.slack-sender {
  font-weight: 700;
  font-size: 0.95rem;
}

.slack-time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.slack-reaction-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  margin-top: 0.5rem;
  color: #fbbf24;
}

/* Features Grid */
.features-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Pricing Card */
.pricing-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.pricing-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 2px solid var(--primary);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.pricing-price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 1rem 0;
}

.pricing-price span {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin: 2rem 0;
}

.pricing-features li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pricing-features li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 800;
}

/* FAQ Section */
.faq-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  padding: 1.25rem 1.5rem;
}

.faq-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 2.5rem 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

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

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