/* ============================================
   Hermes Skills 市场 v2 — 简化版设计系统
   紫色 #7C3AED 主色 + 琥珀色 #F59E0B 点缀
   ============================================ */

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

:root {
  --purple-50: #FAF5FF;
  --purple-100: #F3E8FF;
  --purple-200: #E9D5FF;
  --purple-400: #A78BFA;
  --purple-500: #8B5CF6;
  --purple-600: #7C3AED;
  --purple-700: #6D28D9;
  --purple-800: #5B21B6;
  --purple-900: #4C1D95;

  --amber-50: #FFFBEB;
  --amber-100: #FEF3C7;
  --amber-400: #FBBF24;
  --amber-500: #F59E0B;
  --amber-600: #D97706;

  --green-50: #ECFDF5;
  --green-500: #10B981;
  --green-600: #059669;

  --blue-50: #EFF6FF;
  --blue-500: #3B82F6;

  --slate-50: #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;

  --bg: #FFFFFF;
  --bg-alt: var(--slate-50);
  --bg-card: #FFFFFF;
  --text: var(--slate-800);
  --text-secondary: var(--slate-500);
  --text-light: var(--slate-400);
  --border: var(--slate-200);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-sm { padding: 6px 14px; font-size: 0.8125rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

.btn-primary {
  background: var(--purple-600);
  color: white;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}
.btn-primary:hover {
  background: var(--purple-700);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--purple-600);
  color: var(--purple-600);
  background: rgba(124, 58, 237, 0.04);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
}
.btn-ghost:hover { color: var(--text); background: rgba(0,0,0,0.04); }

.btn-accent {
  background: var(--amber-500);
  color: white;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.btn-accent:hover {
  background: var(--amber-600);
  transform: translateY(-1px);
}

.w-full { width: 100%; justify-content: center; }
.arrow { transition: transform 0.3s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* --- Badges / Tags --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

.badge-purple {
  color: var(--purple-600);
  background: rgba(124, 58, 237, 0.08);
}
.badge-amber {
  color: var(--amber-600);
  background: rgba(245, 158, 11, 0.1);
}
.badge-green {
  color: var(--green-600);
  background: rgba(16, 185, 129, 0.1);
}
.badge-blue {
  color: var(--blue-500);
  background: rgba(59, 130, 246, 0.08);
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 4px;
  margin-right: 4px;
  margin-bottom: 4px;
}
.tag-purple { background: var(--purple-100); color: var(--purple-700); }
.tag-blue { background: #DBEAFE; color: #1D4ED8; }
.tag-green { background: #D1FAE5; color: #065F46; }
.tag-amber { background: var(--amber-100); color: #92400E; }

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, var(--purple-600), var(--amber-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--purple-600);
  transition: var(--transition);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--purple-600); }
.nav-links a.active::after { width: 100%; }

.nav-actions { display: flex; gap: 10px; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--purple-50) 0%, white 50%, var(--amber-50) 100%);
}

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

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
}

.hero-glow-1 { background: var(--purple-600); top: -200px; right: -100px; }
.hero-glow-2 { background: var(--amber-500); bottom: -200px; left: -100px; }

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text { max-width: 560px; }

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 12px; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat-item h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--purple-600);
  line-height: 1.2;
}
.hero-stat-item p { font-size: 0.8125rem; color: var(--text-secondary); }

/* Hero Cards */
.hero-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-card {
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(226,232,240,0.6);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.hero-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.hero-card.featured { border-color: var(--purple-400); border-width: 2px; }

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.hero-card-icon {
  width: 40px;
  height: 40px;
  background: var(--purple-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.hero-card h4 { font-size: 0.9375rem; font-weight: 600; }
.hero-card .author { font-size: 0.75rem; color: var(--text-secondary); }
.hero-card .price {
  margin-left: auto;
  font-weight: 700;
  color: var(--purple-600);
}
.hero-card .rating {
  font-size: 0.8125rem;
  color: var(--amber-500);
}
.hero-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   SKILLS MARKET
   ============================================ */
.skills-section {
  padding: 80px 0;
  background: var(--bg);
}

.skills-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.skills-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid var(--border);
  background: white;
  color: var(--text-secondary);
}
.skills-tab:hover { border-color: var(--purple-400); color: var(--purple-600); }
.skills-tab.active {
  background: var(--purple-600);
  color: white;
  border-color: var(--purple-600);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.skill-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.skill-card:hover {
  border-color: var(--purple-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.skill-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
}

.skill-card h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.skill-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.skill-rating {
  font-size: 0.75rem;
  color: var(--amber-500);
  margin-bottom: 8px;
}

.skill-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
  flex: 1;
  overflow-wrap: break-word;
}

.skill-tags {
  margin-bottom: 10px;
}

.skill-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--slate-100);
}

.skill-price {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--purple-600);
}
.skill-price.free {
  color: var(--green-500);
}

.skill-installs {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ============================================
   PRICING
   ============================================ */
.pricing-section {
  padding: 80px 0;
  background: var(--bg-alt);
}

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

.pricing-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}
.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.pricing-card.featured {
  border-color: var(--purple-400);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple-600);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
}

.pricing-type {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-price {
  margin-bottom: 12px;
}
.price-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--purple-600);
}
.price-period {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-left: 4px;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
}
.pricing-features li {
  font-size: 0.875rem;
  padding: 6px 0;
  color: var(--text);
}
.check {
  color: var(--green-500);
  font-weight: 700;
  margin-right: 8px;
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--purple-800), var(--purple-600));
}

.cta-content {
  text-align: center;
  color: white;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--slate-900);
  color: white;
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-desc {
  color: var(--slate-400);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate-400);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: var(--slate-300);
  font-size: 0.875rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

/* ============================================
   FADE-IN ANIMATION
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-text { max-width: 100%; }
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero-title { font-size: 2.2rem; }
  .hero-stats { gap: 24px; }
  .hero-stat-item h3 { font-size: 1.4rem; }

  .nav-links { display: none; }
  .nav-actions .btn-outline { display: none; }

  .section-title { font-size: 1.75rem; }

  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }

  .cta-content h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: 6px;
  border-radius: 8px;
  transition: var(--transition, 0.2s);
}

.mobile-toggle:hover { background: var(--bg-secondary, #F1F5F9); }

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--text, #1E293B);
  border-radius: 2px;
  transition: var(--transition, 0.2s);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg, #FFFFFF);
  border-bottom: 1px solid var(--border, #E2E8F0);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  padding: 8px 0;
  z-index: 100;
}

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

.mobile-menu a {
  display: block;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary, #64748B);
  text-decoration: none;
  transition: var(--transition, 0.2s);
}

.mobile-menu a:hover {
  background: var(--bg-secondary, #F1F5F9);
  color: var(--text, #1E293B);
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .navbar { position: relative; }
}

/* WhatsApp chat nav link */
.nav-wa-chat {
  color: #25D366 !important;
  font-weight: 600 !important;
}
.nav-wa-chat:hover {
  color: #128C7E !important;
}