/* ============================================
   Gonka Labs — Landing Page
   Multica-inspired: light base, serif headings,
   dark accent sections (hero, steps, open-source, footer)
   ============================================ */

body.landing {
  background: #ffffff;
  color: #111111;
}

/* ---- Serif headings ---- */

.l-heading-serif {
  font-family: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-style: normal;
}

.l-heading-serif em {
  font-style: italic;
}

/* ---- Navigation ---- */

.l-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0.0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  z-index: 100;
  transition: background 0.3s, backdrop-filter 0.3s;
}

.l-nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.l-nav.scrolled .l-logo,
.l-nav.scrolled .l-nav-links a {
  color: #111111;
}

.l-nav.scrolled .l-nav-icon {
  color: #111111;
}

.l-nav.scrolled .l-btn-nav {
  color: #111111;
  border-color: rgba(0, 0, 0, 0.15);
}

.l-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.l-logo {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-decoration: none;
}

.l-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.l-nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.l-nav-links a:hover {
  color: #ffffff;
}

.l-nav.scrolled .l-nav-links a:hover {
  color: #111111;
}

.l-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.l-nav-icon {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
}

.l-nav-icon:hover {
  color: #ffffff;
}

.l-nav.scrolled .l-nav-icon:hover {
  color: #111111;
}

.l-nav-proposal {
  color: #a78bfa !important;
  font-weight: 600 !important;
}
.l-nav.scrolled .l-nav-proposal {
  color: #6366f1 !important;
}

.l-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}

.l-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.l-nav.scrolled .l-nav-toggle span {
  background: #111111;
}

.l-nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.l-nav-toggle.active span:nth-child(2) { opacity: 0; }
.l-nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Buttons ---- */

.l-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.l-btn-nav {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
}

.l-btn-nav:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.l-btn-white {
  background: #ffffff;
  color: #111111;
}

.l-btn-white:hover {
  background: #f0f0f0;
}

.l-btn-dark {
  background: #111111;
  color: #ffffff;
}

.l-btn-dark:hover {
  background: #333333;
}

.l-btn-outline {
  background: transparent;
  color: #111111;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.l-btn-outline:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.25);
}

.l-btn-hero-outline {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.l-btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.l-btn-dark-outline {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.l-btn-dark-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

/* ---- Labels ---- */

.l-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: #888888;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.l-label-dark {
  color: #a1a1aa;
}

/* ---- Hero ---- */

.l-hero {
  position: relative;
  padding-top: 180px;
  padding-bottom: 120px;
  text-align: center;
  overflow: hidden;
  color: #ffffff;
}

.l-hero-bg {
  position: absolute;
  inset: 0;
  background: url('image_bg.jpeg') center / cover no-repeat;
  z-index: 0;
}

.l-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.2) 40%, rgba(0,0,0,0.15) 60%, rgba(0,0,0,0.55) 100%),
    radial-gradient(ellipse at center, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.35) 100%);
}

.l-hero > .container {
  position: relative;
  z-index: 1;
}

.l-hero-title {
  font-family: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.l-hero-title em {
  font-style: italic;
}

.l-hero-sub {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.95);
  max-width: 600px;
  margin: 0 auto 40px;
  /* background: rgba(255, 255, 255, 0.1); */
  /* backdrop-filter: blur(16px); */
  /* -webkit-backdrop-filter: blur(16px); */
  /* border: 1px solid rgba(255, 255, 255, 0.12); */
  /* border-radius: 16px; */
  /* padding: 20px 28px; */
}

.l-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 80px;
}

.l-hero-actions .l-btn-white {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.l-hero-actions .l-btn-hero-outline {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(255, 255, 255, 0.2);
}

.l-hero-actions .l-btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
}

.l-hero-stats {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 28px 48px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
}

.l-stat { text-align: center; }

.l-stat-value {
  display: block;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1.2;
}

.l-stat-suffix {
  font-size: 0.6em;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.l-stat-label {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

.l-stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.15);
}

/* ---- Transition Section ---- */

.l-transition {
  padding: 100px 0 80px;
  text-align: center;
}
.l-transition .l-label {
  display: inline-block;
  margin-bottom: 16px;
}
.l-transition .l-heading-serif {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.15;
  color: #111;
  margin-bottom: 20px;
}
.l-heading-accent {
  color: #666;
}
.l-transition-sub {
  font-size: 18px;
  line-height: 1.7;
  color: #555;
  max-width: 560px;
  margin: 0 auto;
}

/* ---- Feature Sections (light bg) ---- */

.l-feature {
  padding: 120px 0;
  border-bottom: 1px solid #e8e8e8;
}

.l-feature .l-label {
  display: block;
  margin-bottom: 16px;
}

.l-feature .l-heading-serif {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #111111;
  margin-bottom: 20px;
}

.l-feature-desc {
  font-size: 18px;
  line-height: 1.7;
  color: #555555;
  max-width: 640px;
  margin-bottom: 48px;
}

.l-feature-screenshot-link {
  display: block;
  margin-bottom: 8px;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.l-feature-screenshot-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.l-feature-screenshot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid #e5e5e5;
}

.l-feature-points-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.l-feature-point h3 {
  font-size: 17px;
  font-weight: 600;
  color: #111111;
  margin-bottom: 8px;
}

.l-feature-point p {
  font-size: 15px;
  line-height: 1.65;
  color: #555555;
}

.l-feature-point code {
  font-size: 14px;
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  color: #6366f1;
}

.l-feature-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
}

/* ---- Mock Product Badge ---- */

.l-mock-wrap {
  position: relative;
}

.l-mock-product-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  margin-bottom: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.l-mock-product-badge:hover {
  border-color: #d0d0d0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.l-mock-product-badge svg:first-child {
  color: #555555;
}

.l-mock-product-name {
  font-size: 16px;
  font-weight: 600;
  color: #111111;
}

.l-mock-product-meta {
  font-size: 13px;
  color: #888888;
  padding-left: 10px;
  border-left: 1px solid #e8e8e8;
}

.l-mock-product-arrow {
  color: #888888;
  transition: transform 0.2s;
}

.l-mock-product-badge:hover .l-mock-product-arrow {
  transform: translate(2px, -2px);
}

/* ---- Dev Tools Section ---- */

.l-feature-devtools {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  border-bottom: none;
}

.l-feature-devtools-bg {
  position: absolute;
  inset: 0;
  background: url('gonka-easy-spacious.png') center / cover no-repeat;
  z-index: 0;
}

.l-feature-devtools-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.25) 40%, rgba(0,0,0,0.25) 60%, rgba(0,0,0,0.5) 100%),
    radial-gradient(ellipse at center, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 100%);
}

.l-feature-devtools .l-heading-serif {
  color: #ffffff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.l-feature-devtools .l-feature-desc {
  color: rgba(255, 255, 255, 0.85);
}

/* ---- Dev Tool Cards (glass) ---- */

.l-dev-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 0;
}

.l-dev-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.l-dev-card:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.l-dev-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  flex-shrink: 0;
}

.l-dev-card-icon-indigo {
  background: rgba(129, 140, 248, 0.2);
  color: #a5b4fc;
}

.l-dev-card-content {
  flex: 1;
  min-width: 0;
}

.l-dev-card-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.l-dev-card-content h3 svg {
  color: rgba(255, 255, 255, 0.5);
  transition: transform 0.2s;
}

.l-dev-card:hover h3 svg {
  transform: translate(2px, -2px);
  color: rgba(255, 255, 255, 0.8);
}

.l-dev-card-content p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 10px;
}

.l-dev-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 3px 10px;
  border-radius: 6px;
}

.l-devtools-actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  position: relative;
  z-index: 1;
}

/* ---- Mock UI Cards (always dark) ---- */

.l-mock {
  background: #0f0f11;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
}

.l-mock-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.l-mock-dots { display: flex; gap: 6px; }
.l-mock-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); }
.l-mock-dots span:first-child { background: #ef4444; opacity: 0.7; }
.l-mock-dots span:nth-child(2) { background: #eab308; opacity: 0.7; }
.l-mock-dots span:last-child { background: #22c55e; opacity: 0.7; }

.l-mock-url { font-size: 12px; color: #71717a; font-weight: 500; }
.l-mock-body { padding: 20px; color: #fafafa; }

.l-mock-stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.l-mock-stat-box { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.06); border-radius: 10px; padding: 14px; text-align: center; }
.l-mock-stat-label { display: block; font-size: 11px; color: #71717a; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.l-mock-stat-val { display: block; font-size: 20px; font-weight: 700; color: #fafafa; letter-spacing: -0.02em; }

.l-mock-table { border: 1px solid rgba(255, 255, 255, 0.06); border-radius: 10px; overflow: hidden; }
.l-mock-row { display: grid; grid-template-columns: 1.2fr 1fr 0.8fr 0.8fr; gap: 8px; padding: 10px 14px; font-size: 13px; color: #a1a1aa; border-bottom: 1px solid rgba(255, 255, 255, 0.04); align-items: center; }
.l-mock-row:last-child { border-bottom: none; }
.l-mock-row-head { background: rgba(255, 255, 255, 0.03); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: #71717a; font-weight: 500; }
.l-mock-hash { color: #818cf8; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 12px; }
.l-mock-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.l-mock-tag-green { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.l-mock-tag-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }

.l-mock-code { font-family: 'SF Mono', 'Fira Code', monospace; font-size: 13px; line-height: 1.8; }
.l-code-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #a1a1aa; }
.l-code-prompt { color: #4ade80; margin-right: 8px; }
.l-code-comment { color: #525252; font-style: italic; }
.l-code-response { color: #818cf8; }

.l-wallet-balance { text-align: center; padding: 20px 0 16px; }
.l-wallet-label { display: block; font-size: 12px; color: #71717a; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.l-wallet-amount { font-size: 32px; font-weight: 700; color: #fafafa; letter-spacing: -0.02em; }
.l-wallet-ticker { font-size: 16px; font-weight: 500; color: #71717a; }
.l-wallet-name { text-align: center; padding: 12px 0 20px; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.l-wallet-name-label { display: block; font-size: 12px; color: #71717a; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.l-wallet-name-value { font-size: 20px; font-weight: 600; color: #fafafa; }
.l-wallet-tld { color: #818cf8; }
.l-wallet-actions-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 20px; }
.l-wallet-action { text-align: center; padding: 10px; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 10px; font-size: 13px; font-weight: 500; color: #a1a1aa; }
.l-wallet-txs { display: flex; flex-direction: column; gap: 2px; }
.l-wallet-tx { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 8px; background: rgba(255, 255, 255, 0.02); }
.l-wallet-tx-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; flex-shrink: 0; }
.l-wallet-tx-in { background: rgba(34, 197, 94, 0.1); color: #4ade80; }
.l-wallet-tx-out { background: rgba(239, 68, 68, 0.1); color: #f87171; }
.l-wallet-tx-info { flex: 1; }
.l-wallet-tx-name { display: block; font-size: 14px; font-weight: 500; color: #fafafa; }
.l-wallet-tx-time { display: block; font-size: 12px; color: #71717a; }
.l-wallet-tx-amount { font-size: 14px; font-weight: 600; color: #a1a1aa; white-space: nowrap; }

/* ---- Light Sections ---- */

.l-section-light {
  padding: 120px 0;
  background: #ffffff;
  border-bottom: 1px solid #e8e8e8;
}

.l-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.l-section-header .l-heading-serif {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #111111;
  margin-bottom: 16px;
}

.l-section-header p {
  font-size: 18px;
  line-height: 1.7;
  color: #555555;
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Dark Sections ---- */

.l-section-dark {
  padding: 120px 0;
  background: #09090b;
  color: #fafafa;
}

.l-section-dark-border {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.l-section-dark .l-section-header .l-heading-serif {
  color: #fafafa;
}

.l-heading-dark { color: #fafafa; }
.l-heading-muted { color: #71717a; }

.l-section-sub-dark {
  font-size: 18px;
  line-height: 1.7;
  color: #a1a1aa;
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Products Grid (light) ---- */

.l-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.l-product-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

a.l-product-card:hover {
  border-color: #d0d0d0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.l-product-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }

.l-product-icon { width: 44px; height: 44px; border-radius: 12px; background: #f3f4f6; display: flex; align-items: center; justify-content: center; color: #555555; }
.l-product-icon-indigo { color: #6366f1; background: rgba(99, 102, 241, 0.08); }
.l-product-icon-amber { color: #f59e0b; background: rgba(245, 158, 11, 0.08); }
.l-product-icon-green { color: #10b981; background: rgba(16, 185, 129, 0.08); }

.l-product-badge { font-size: 12px; font-weight: 500; color: #888888; background: #f3f4f6; padding: 4px 10px; border-radius: 6px; }
.l-product-badge-new { color: #6366f1; background: rgba(99, 102, 241, 0.08); }

.l-product-card h3 { font-size: 17px; font-weight: 600; color: #111111; margin-bottom: 8px; }
.l-product-card p { font-size: 14px; line-height: 1.6; color: #888888; flex: 1; }

/* ---- Steps Grid (dark) ---- */

.l-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.l-step-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.l-step-num {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #71717a;
  margin-bottom: 16px;
}

.l-step-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fafafa;
  margin-bottom: 10px;
  line-height: 1.3;
}

.l-step-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #a1a1aa;
}

.l-steps-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ---- Principles Grid (dark) ---- */

.l-principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}

.l-principle-card {
  padding: 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
}

.l-principle-card h3 { font-size: 17px; font-weight: 600; color: #fafafa; margin-bottom: 10px; }
.l-principle-card p { font-size: 14px; line-height: 1.65; color: #a1a1aa; }

/* ---- Repos Grid (dark) ---- */

.l-repos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.l-repo-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s, border-color 0.2s;
}

.l-repo-card:hover { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.12); }
.l-repo-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.l-repo-icon { color: #71717a; flex-shrink: 0; }
.l-repo-header h4 { font-size: 15px; font-weight: 600; color: #fafafa; }
.l-repo-card > p { font-size: 13px; line-height: 1.55; color: #71717a; flex: 1; margin-bottom: 12px; }
.l-repo-meta { display: flex; align-items: center; gap: 16px; font-size: 12px; color: #71717a; }
.l-repo-lang { display: flex; align-items: center; gap: 5px; }
.l-lang-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.l-lang-go { background: #00ADD8; }
.l-lang-python { background: #3572A5; }
.l-lang-ts { background: #3178C6; }
.l-lang-rust { background: #DEA584; }
.l-lang-shell { background: #89e051; }
.l-repo-stars { display: flex; align-items: center; gap: 4px; }
.l-repo-stars svg { color: #eab308; opacity: 0.7; }

/* ---- Articles (light) ---- */

.l-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.l-article-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.l-article-card:hover { border-color: #d0d0d0; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06); transform: translateY(-2px); }
.l-article-date { font-size: 13px; color: #888888; margin-bottom: 8px; }
.l-article-card h3 { font-size: 16px; font-weight: 600; color: #111111; margin-bottom: 8px; line-height: 1.4; }
.l-article-card p { font-size: 14px; line-height: 1.6; color: #888888; flex: 1; }
.l-articles-cta { display: flex; justify-content: center; margin-top: 40px; }

/* ---- FAQ (light) ---- */

.l-faq { max-width: 720px; margin: 0 auto; }
.l-faq-item { border-bottom: 1px solid #e8e8e8; }
.l-faq-item:first-child { border-top: 1px solid #e8e8e8; }

.l-faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.l-faq-question span { font-size: 17px; font-weight: 500; color: #111111; }
.l-faq-chevron { flex-shrink: 0; color: #888888; transition: transform 0.3s; }
.l-faq-item.open .l-faq-chevron { transform: rotate(180deg); }
.l-faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.l-faq-item.open .l-faq-answer { max-height: 400px; padding-bottom: 24px; }
.l-faq-answer p { font-size: 15px; line-height: 1.7; color: #555555; }
.l-faq-answer a { color: #6366f1; text-decoration: underline; text-underline-offset: 2px; }

/* ---- Footer (dark) ---- */

.l-footer {
  padding: 80px 0 32px;
  background: #09090b;
  color: #fafafa;
}

.l-footer-cta {
  text-align: center;
  padding-bottom: 80px;
  margin-bottom: 64px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.l-footer-cta .l-heading-serif {
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.1;
  margin-bottom: 32px;
}

.l-footer-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.l-footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  margin-bottom: 48px;
}

.l-logo-footer { color: #fafafa; }
.l-footer-brand p { font-size: 14px; line-height: 1.6; color: #71717a; margin-top: 12px; }
.l-footer-columns { display: flex; gap: 64px; }
.l-footer-col h4 { font-size: 13px; font-weight: 600; color: #fafafa; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em; }
.l-footer-col a { display: block; font-size: 14px; color: #71717a; text-decoration: none; padding: 4px 0; transition: color 0.2s; }
.l-footer-col a:hover { color: #fafafa; }
.l-footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.06); font-size: 13px; color: #52525b; }

/* ---- Animations ---- */

.l-fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.l-fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---- Responsive ---- */

@media (max-width: 1024px) {
  .l-feature-points-row { grid-template-columns: 1fr; gap: 24px; }
  .l-steps-grid { grid-template-columns: repeat(2, 1fr); }
  .l-principles-grid { grid-template-columns: 1fr; }
  .l-footer-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .l-hero { padding-top: 130px; padding-bottom: 80px; }
  .l-hero-actions { flex-direction: column; margin-bottom: 56px; }
  .l-hero-actions .l-btn { width: 100%; justify-content: center; }
  .l-hero-stats { flex-wrap: wrap; gap: 24px 32px; padding-top: 40px; }
  .l-stat-divider { display: none; }
  .l-feature { padding: 80px 0; }
  .l-section-light, .l-section-dark { padding: 80px 0; }
  .l-products-grid { grid-template-columns: 1fr; }
  .l-articles-grid { grid-template-columns: 1fr; }
  .l-repos-grid { grid-template-columns: 1fr; }
  .l-steps-grid { grid-template-columns: 1fr; }
  .l-feature-cta { flex-direction: column; }
  .l-feature-cta .l-btn { width: 100%; justify-content: center; }
  .l-steps-actions { flex-direction: column; }
  .l-steps-actions .l-btn { width: 100%; justify-content: center; }
  .l-footer-cta-actions { flex-direction: column; }
  .l-footer-cta-actions .l-btn { width: 100%; justify-content: center; }
  .l-footer-columns { flex-direction: column; gap: 32px; }

  .l-nav-toggle { display: flex; }
  .l-nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 99;
  }
  .l-nav-links.nav-open { display: flex; }
  .l-nav-links a { font-size: 18px; color: #111111; }
  .l-nav-links .l-nav-icon { color: #111111; opacity: 0.7; }
  .l-nav-links .l-btn-nav { color: #111111; border-color: rgba(0, 0, 0, 0.15); }
  .l-nav-right { flex-direction: column; gap: 16px; }
}

@media (max-width: 480px) {
  .l-hero-title { font-size: 38px; }
  .l-hero-sub { font-size: 14px; }
  .l-stat-value { font-size: 26px; }
  .l-section-header .l-heading-serif, .l-feature .l-heading-serif { font-size: 32px; }
  .l-product-card { padding: 20px; }
  .l-mock-stats-row { grid-template-columns: 1fr; }
  .l-mock-row { grid-template-columns: 1fr 1fr; font-size: 12px; }
  .l-mock-row-head { display: none; }
  .l-dev-card { flex-direction: column; gap: 12px; padding: 20px; }
  .l-mock-product-meta { display: none; }
}