:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --primary: #14532d;
  --primary-strong: #0f3f22;
  --text: #0f172a;
  --text-muted: #475569;
  --border: #dbe3ea;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius: 16px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
.module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.8rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(248, 250, 252, 0.9);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-toggle {
  border: 1px solid var(--border);
  background: #fff;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 10px;
  font-size: 1.2rem;
  color: var(--primary-strong);
}

.nav {
  display: none;
  position: absolute;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(248, 250, 252, 0.98);
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 4%;
}

.nav.open {
  display: grid;
  gap: 0.6rem;
}

.nav a {
  display: block;
  padding: 0.6rem 0.4rem;
  border-radius: 8px;
  color: var(--text-muted);
  font-weight: 600;
}

.nav a:hover,
.nav a:focus-visible {
  background: #ebf4ef;
  color: var(--primary-strong);
}

.nav .nav-btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  background: #000;
  color: #fff !important;
  font-weight: 700;
  transition: background 0.2s ease;
}

.nav .nav-btn-download:hover,
.nav .nav-btn-download:focus-visible {
  background: #333;
  color: #fff !important;
}

@media (min-width: 760px) {
  .nav .nav-btn-download {
    margin-left: 0.5rem;
  }
}

.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, #f1f9f3 0%, rgba(241, 249, 243, 0) 100%);
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
}

h1 {
  margin-top: 0.4rem;
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero-desc {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-strong);
}

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: #f1f5f9;
}

.section-desc {
  margin-top: -0.2rem;
  color: var(--text-muted);
}

.module-grid {
  margin-top: 1.3rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.1rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
}

.contact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 0 2rem;
  color: var(--text-muted);
  text-align: center;
}

/* Documentation Styles */
.doc-content {
  max-width: 800px;
  margin: 0 auto;
}

.doc-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.doc-content h3 {
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
  color: var(--primary-strong);
}

.doc-content p {
  margin-bottom: 1.2rem;
}

.doc-content ul, 
.doc-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.doc-content li {
  margin-bottom: 0.5rem;
}

.doc-content pre {
  background: #f1f5f9;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.doc-content code {
  font-family: Consolas, Monaco, "Andale Mono", monospace;
  font-size: 0.9em;
  background: #f1f5f9;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  color: #c026d3; /* A bit of color for inline code */
}

.doc-content pre code {
  background: transparent;
  padding: 0;
  color: var(--text);
  display: block;
}

.doc-content blockquote {
  border-left: 4px solid var(--primary);
  margin: 1.5rem 0;
  padding: 0.5rem 0 0.5rem 1rem;
  background: #f0fdf4;
  color: var(--primary-strong);
  border-radius: 0 8px 8px 0;
}

.doc-content .doc-blockquote {
  border-left: 4px solid var(--primary);
  margin: 1.5rem 0;
  padding: 0.5rem 0 0.5rem 1rem;
  background: #f0fdf4;
  color: var(--primary-strong);
  border-radius: 0 8px 8px 0;
}

.doc-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.doc-content a:hover {
  color: var(--primary-strong);
}

/* Table styles */
.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.doc-content th,
.doc-content td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.doc-content th {
  background-color: #f8fafc;
  font-weight: 600;
  color: var(--primary-strong);
}

.doc-content tr:hover {
  background-color: #f8fafc;
}

/* Code block improvements */
.doc-content pre {
  background: #f1f5f9;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  font-family: Consolas, Monaco, "Andale Mono", monospace;
  font-size: 0.85rem;
  line-height: 1.4;
}

.doc-content code {
  font-family: Consolas, Monaco, "Andale Mono", monospace;
  font-size: 0.9em;
  background: #f1f5f9;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  color: #c026d3;
}

.doc-content pre code {
  background: transparent;
  padding: 0;
  color: var(--text);
  display: block;
}

/* List improvements */
.doc-content ul,
.doc-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.doc-content li {
  margin-bottom: 0.5rem;
}

.doc-content ul ul,
.doc-content ol ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Heading spacing */
.doc-content h1 {
  margin-bottom: 1.5rem;
  color: var(--primary-strong);
}

.doc-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  color: var(--primary-strong);
}

.doc-content h3 {
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
  color: var(--primary-strong);
}

.doc-content h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--primary-strong);
}

/* Paragraph spacing */
.doc-content p {
  margin-bottom: 1.2rem;
  line-height: 1.6;
}

/* Horizontal rule */
.doc-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* Loading and error states */
.loading {
  text-align: center;
  padding: 4rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 2rem;
  margin: 2rem 0;
  text-align: center;
}

.error h2 {
  color: #dc2626;
  margin-bottom: 1rem;
  border: none;
}

.error p {
  color: #b91c1c;
  margin-bottom: 0;
}

/* Custom components */

/* Info box */
.info-box {
  background: #f0f9ff;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  padding: 1rem;
  margin: 1.5rem 0;
  color: #1e40af;
}

/* Card group */
.card-group {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0;
}

.card-group.cols-2 {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.card-header {
  padding: 1.25rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-icon {
  font-size: 1.25rem;
  color: var(--primary);
}

.card-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-strong);
}

.card-content {
  padding: 1.25rem;
  line-height: 1.5;
}

.card-content img {
  width: 100%;
  border-radius: 6px;
  margin-top: 1rem;
}

/* Steps */
.steps {
  margin: 2rem 0;
  border-left: 3px solid var(--primary);
  padding-left: 1.5rem;
}

.step {
  margin-bottom: 1.5rem;
  position: relative;
}

.step::before {
  content: '';
  position: absolute;
  left: -1.65rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
}

.step-title {
  font-weight: 600;
  color: var(--primary-strong);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.step-content {
  color: var(--text-muted);
  line-height: 1.5;
}

/* YouTube iframe container */
.doc-content .youtube-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 16px;
  margin: 2rem 0;
}

.doc-content .youtube-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .card-group.cols-2 {
    grid-template-columns: 1fr;
  }
  
  .steps {
    padding-left: 1rem;
  }
  
  .step::before {
    left: -1.2rem;
  }
}

@media (min-width: 760px) {
  .nav-toggle {
    display: none;
  }

  .nav {
    position: static;
    display: flex;
    gap: 0.2rem;
    padding: 0;
    border: none;
    background: transparent;
  }

  .nav a {
    padding: 0.45rem 0.75rem;
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 6rem 0 4.6rem;
  }

  .module-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}


/* Lobster Page Specific Styles (Molili Inspired) */
.lobster-page {
  --lob-bg: #0f172a;
  --lob-text: #f8fafc;
  --lob-accent: #f43f5e; /* Lobster Red */
  --lob-card-bg: #1e293b;
  background-color: var(--lob-bg);
  color: var(--lob-text);
}

.lobster-page .site-header,
.lobster-page .nav {
  background: rgba(15, 23, 42, 0.95);
  border-bottom-color: #334155;
}

.lobster-page .brand,
.lobster-page .nav a {
  color: var(--lob-text);
}

.lobster-page .nav a:hover {
  background: #334155;
  color: var(--lob-accent);
}

.lobster-hero {
  text-align: center;
  padding: 8rem 0 6rem;
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 70%);
}

.lobster-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #f43f5e, #fda4af);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lobster-hero p {
  font-size: 1.25rem;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.lobster-btn {
  display: inline-block;
  background: var(--lob-accent);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 999px;
  font-size: 1.1rem;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}

.lobster-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(244, 63, 94, 0.4);
  background: #fb7185;
}

.lobster-features {
  padding: 4rem 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--lob-card-bg);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid #334155;
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--lob-accent);
}

.feature-card h3 {
  color: var(--lob-text);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: #94a3b8;
}

.lobster-testimonials {
  padding: 5rem 0;
  overflow: hidden;
  background: #0b1120;
}

.testimonial-track {
  display: flex;
  gap: 1.5rem;
  animation: scroll 40s linear infinite;
  width: max-content;
}

.testimonial-card {
  background: #1e293b;
  padding: 1.5rem;
  border-radius: 16px;
  width: 320px;
  flex-shrink: 0;
  border: 1px solid #334155;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.avatar {
  width: 40px;
  height: 40px;
  background: #334155;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.lobster-page .site-footer {
  border-top-color: #334155;
  color: #64748b;
}