/* Levy landing page. Dark theme, system fonts, no dependencies. */

:root {
  --bg: #0e1116;
  --bg-alt: #151a22;
  --card: #1a212c;
  --card-hover: #202836;
  --text: #e8ecf1;
  --muted: #9aa4b2;
  --accent: #4cc38a;
  --accent-2: #38bdf8;
  --accent-dim: rgba(76, 195, 138, 0.14);
  --border: #262e3b;
  --radius: 10px;
  --focus-ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
  --transition-fast: 0.15s ease;
  --transition-medium: 0.25s ease;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
}
.skip-link:focus {
  top: 16px;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(76, 195, 138, 0.14), transparent 60%),
    radial-gradient(700px 460px at 100% 0%, rgba(56, 189, 248, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(76, 195, 138, 0.28); color: var(--text); }

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--accent-dim), rgba(56, 189, 248, 0.08));
  color: var(--accent);
  margin-bottom: 16px;
  border: 1px solid rgba(76, 195, 138, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card:hover .icon {
  transform: scale(1.05);
  box-shadow: 0 0 20px -8px var(--accent);
}
.icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; }

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(14, 17, 22, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand img { display: block; height: 24px; width: auto; }

.wordmark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.site-header nav { display: flex; align-items: center; }

.site-header nav a {
  color: var(--muted);
  margin-left: 22px;
  font-size: 15px;
  white-space: nowrap;
  position: relative;
  transition: color 0.15s ease;
}
.site-header nav a:not(.btn):not(.social)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.site-header nav a:not(.btn):not(.social):hover::after { transform: scaleX(1); }
.site-header nav a:hover { color: var(--text); text-decoration: none; }
.site-header nav .btn { color: var(--accent); }
.site-header nav a.social { display: inline-flex; align-items: center; }
.site-header nav a.social svg { display: block; width: 18px; height: 18px; fill: currentColor; }

/* Hero */

.hero { padding: 112px 0 80px; position: relative; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 24px;
  padding: 8px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(76, 195, 138, 0.4);
  border-radius: 999px;
  animation: kicker-fade-in 0.6s ease-out;
}

@keyframes kicker-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  font-size: 60px;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 24px;
  text-wrap: balance;
  background: linear-gradient(135deg, #ffffff 20%, #d4f7e6 50%, #4cc38a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hero-fade-in 0.7s ease-out 0.1s both;
}

@keyframes hero-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.lede {
  font-size: 21px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 20px;
  line-height: 1.6;
  animation: hero-fade-in 0.7s ease-out 0.2s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin: 32px 0 20px;
  animation: hero-fade-in 0.7s ease-out 0.3s both;
}

.link-quiet { 
  color: var(--muted); 
  font-weight: 600;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-quiet:hover { color: var(--text); text-decoration: none; }
.link-quiet::after {
  content: "→";
  transition: transform var(--transition-fast);
}
.link-quiet:hover::after {
  transform: translateX(3px);
}

.hero-note { 
  color: var(--muted); 
  font-size: 15px; 
  margin: 0;
  animation: hero-fade-in 0.7s ease-out 0.4s both;
}

/* Product screenshots */

.shot { 
  margin: 56px 0 0; 
  position: relative;
  animation: shot-fade-in 0.8s ease-out 0.5s both;
}

@keyframes shot-fade-in {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 
    0 32px 80px -30px rgba(0, 0, 0, 0.65), 
    0 0 0 1px rgba(76, 195, 138, 0.08),
    0 0 60px -20px rgba(76, 195, 138, 0.15);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
}
.shot a { display: block; border-radius: 12px; }
.shot a:hover img {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 
    0 44px 90px -30px rgba(0, 0, 0, 0.75), 
    0 0 0 1px rgba(76, 195, 138, 0.2),
    0 0 80px -20px rgba(76, 195, 138, 0.25);
}
.shot a:focus-visible {
  box-shadow: var(--focus-ring);
}
.shot figcaption { color: var(--muted); font-size: 14px; margin-top: 14px; line-height: 1.5; }
.shot-narrow { max-width: 560px; margin-left: auto; margin-right: auto; }

/* Sections */

.section { padding: 64px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section h2 {
  font-size: 32px;
  letter-spacing: -0.015em;
  margin: 0 0 32px;
  position: relative;
  padding-left: 20px;
}
.section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px -4px var(--accent);
}

.section-lede { color: var(--muted); max-width: 640px; margin: -12px 0 28px; }

/* Steps */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

.steps li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  transition: border-color var(--transition-medium), transform var(--transition-medium), background var(--transition-medium), box-shadow var(--transition-medium);
}
.steps li:hover {
  border-color: rgba(76, 195, 138, 0.5);
  transform: translateY(-4px);
  background: var(--card-hover);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.5);
}

.steps li::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 62px;
  bottom: -28px;
  width: 1px;
  background: linear-gradient(var(--border), transparent);
}
.steps li:last-child::before { display: none; }

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
  border: 1px solid rgba(76, 195, 138, 0.35);
}

.steps h3 { margin: 0 0 8px; font-size: 19px; }
.steps p { margin: 0; color: var(--muted); }

/* Fee */

.big-stat {
  font-size: 96px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 10%, var(--accent-2) 60%, var(--accent) 100%);
  background-size: 200% 100%;
  animation: gradient-shift 4s ease-in-out infinite;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  display: inline-block;
  text-shadow: 0 0 60px rgba(76, 195, 138, 0.4);
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color var(--transition-medium), transform var(--transition-medium), background var(--transition-medium), box-shadow var(--transition-medium);
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 13px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-medium);
}
.card:hover {
  border-color: rgba(76, 195, 138, 0.5);
  transform: translateY(-4px);
  background: var(--card-hover);
  box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.65), 0 0 40px -20px rgba(76, 195, 138, 0.2);
}
.card:hover::before {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  opacity: 0.3;
}

.card h3 { margin: 0 0 12px; font-size: 18px; color: var(--text); }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.55; }

/* Roadmap */

.roadmap {
  margin: 0;
  display: grid;
  gap: 0;
  position: relative;
  padding-left: 28px;
}
.roadmap::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--accent), var(--border));
}
.roadmap > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  align-items: baseline;
  position: relative;
  padding: 0 0 32px;
}
.roadmap > div:last-child { padding-bottom: 0; }
.roadmap > div::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.roadmap dt {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.roadmap dd { margin: 0; color: var(--muted); }

/* Contract addresses */

.contracts {
  margin: 28px 0 20px;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
}
.contracts dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.contracts dd { margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 2px 10px; }
.addr {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  overflow-wrap: anywhere;
}

/* Buttons */

.btn {
  display: inline-block;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-size: 16px;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-medium);
  cursor: pointer;
}
.btn:hover { 
  text-decoration: none; 
  background: rgba(76, 195, 138, 0.22); 
  transform: translateY(-2px); 
}
.btn:focus-visible {
  box-shadow: var(--focus-ring);
}
.btn-primary { 
  background: linear-gradient(135deg, #4cc38a 0%, #3db87a 100%);
  color: #0b0e12; 
  box-shadow: 0 8px 28px -8px rgba(76, 195, 138, 0.6);
  border-color: transparent;
  font-weight: 700;
}
.btn-primary:hover { 
  background: linear-gradient(135deg, #5fd29a 0%, #4cc38a 100%);
  box-shadow: 0 14px 36px -8px rgba(76, 195, 138, 0.7);
  transform: translateY(-2px);
}
.btn-small { padding: 8px 16px; font-size: 15px; }

.fine { color: var(--muted); font-size: 14px; }

/* 404 Error page */

.error-page {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}

.error-code {
  font-size: 120px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 16px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.error-page h1 {
  font-size: 32px;
  margin: 0 0 16px;
  color: var(--text);
}

.error-message {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 32px;
}

.error-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}

/* Small screens */

/* The full header nav needs about 820px; below that only the button shows. */
@media (max-width: 820px) {
  .site-header nav a:not(.btn):not(.social) { display: none; }
}

@media (max-width: 640px) {
  .hero { padding: 72px 0 56px; }
  .hero h1 { font-size: 38px; line-height: 1.12; }
  .lede { font-size: 18px; }
  .big-stat { font-size: 72px; }
  .section h2 { font-size: 26px; }
  .roadmap > div { grid-template-columns: 1fr; gap: 4px; }
  .site-header nav .btn { font-size: 14px; padding: 6px 12px; }
  .shot { margin-top: 40px; }
  .card { padding: 22px; }
  .hero-actions { gap: 16px; }
  .btn { padding: 12px 20px; font-size: 15px; }
}