/* ========================================
   Image Skunk Pro - Marketing Site Styles
   ======================================== */

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

:root {
  --color-bg: #0a0a0f;
  --color-surface: #12121a;
  --color-surface-2: #1a1a26;
  --color-border: #2a2a3a;
  --color-text: #e8e8f0;
  --color-text-muted: #8888a0;
  --color-primary: #7c5cfc;
  --color-primary-light: #9b7fff;
  --color-primary-dark: #5a3ed4;
  --color-accent: #00d4aa;
  --color-accent-light: #33e0be;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

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

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--color-primary);
  color: #fff;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(124, 92, 252, 0.35);
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
  background: rgba(124, 92, 252, 0.08);
  box-shadow: none;
}

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

.btn-white:hover {
  background: #f0f0f5;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
  background: transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
}

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

.pro-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: super;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(124, 92, 252, 0.12);
  border: 1px solid rgba(124, 92, 252, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* --- Browser Mockup --- */
.browser-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}

.browser-dots span:first-child { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #febc2e; }
.browser-dots span:last-child { background: #28c840; }

.browser-url {
  flex: 1;
  background: var(--color-bg);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.browser-content {
  padding: 24px;
}

.mockup-sidebar {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.mockup-label {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.mockup-prompt-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 16px;
}

.mockup-small-text {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.mockup-prompt {
  font-size: 0.82rem;
  color: var(--color-accent-light);
  line-height: 1.5;
  font-style: italic;
}

.mockup-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.mockup-btn {
  padding: 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
}

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

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

.mockup-btn.full { grid-column: 1 / -1; }

.mockup-image-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.mockup-thumb {
  aspect-ratio: 16/9;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-border) 100%);
  border: 2px solid transparent;
  transition: border-color var(--transition);
}

.mockup-thumb.active {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(124, 92, 252, 0.2) 0%, rgba(0, 212, 170, 0.15) 100%);
}

/* --- Social Proof --- */
.social-proof {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.social-proof p {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(124, 92, 252, 0.1);
  border: 1px solid rgba(124, 92, 252, 0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- Features --- */
.features {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(124, 92, 252, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 92, 252, 0.08);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(124, 92, 252, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-primary-light);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- How It Works --- */
.how-it-works {
  padding: 100px 0;
  background: var(--color-surface);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 24px;
  box-shadow: 0 4px 20px rgba(124, 92, 252, 0.3);
}

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--color-border);
  margin-top: 28px;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  padding: 36px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 40px rgba(124, 92, 252, 0.12);
  transform: scale(1.03);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-header {
  margin-bottom: 24px;
}

.pricing-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

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

.pricing-price {
  margin-bottom: 28px;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.price-period {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.pricing-features {
  margin-bottom: 28px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-features li::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  background: rgba(0, 212, 170, 0.15);
  border-radius: 50%;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='%2300d4aa' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.pricing-note {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-note p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- FAQ --- */
.faq {
  padding: 100px 0;
  background: var(--color-surface);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  gap: 16px;
}

.faq-question:hover { color: var(--color-primary-light); }

.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-text-muted);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding-bottom: 20px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- CTA --- */
.cta {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(124, 92, 252, 0.15) 0%, rgba(0, 212, 170, 0.08) 100%);
  border-top: 1px solid rgba(124, 92, 252, 0.2);
  border-bottom: 1px solid rgba(124, 92, 252, 0.2);
}

.cta h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  padding: 60px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer-bottom {
  padding-top: 24px;
  text-align: center;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero { padding: 140px 0 80px; }
  .hero h1 { font-size: 2.6rem; }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav .btn-sm { display: none; }
  .mobile-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
  }

  .hero h1 { font-size: 2.1rem; }
  .hero-subtitle { font-size: 1rem; }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .stat-divider { display: none; }

  .section-header h2 { font-size: 1.8rem; }

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

  .pricing-card:last-child {
    max-width: none;
  }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0;
  }

  .step { padding: 0; }

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

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

  .cta h2 { font-size: 1.8rem; }
}