/* ==========================================
   YIELDFY DESIGN SYSTEM & STYLES
   ========================================== */

:root {
  --bg-dark: #080a0d;
  --bg-card: rgba(18, 22, 27, 0.65);
  --bg-card-hover: rgba(26, 32, 39, 0.8);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-card-hover: rgba(76, 161, 131, 0.35);
  
  --text-primary: #FFFFFF;
  --text-secondary: #9DA6B3;
  --text-muted: #647080;
  
  --accent-green: #62C4A2;
  --accent-green-glow: rgba(98, 196, 162, 0.15);
  --accent-peach: #EFA383;
  --accent-cyan: #68D3D5;
  --accent-amber: #F0B90B;
  
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
}

code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent-green);
}

/* Ambient Glow Orbs */
.glow-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.35;
  animation: pulse-glow 12s infinite alternate ease-in-out;
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -150px;
  right: 10%;
  background: radial-gradient(circle, rgba(46, 111, 86, 0.8) 0%, rgba(13, 34, 26, 0) 70%);
}

.orb-2 {
  width: 700px;
  height: 700px;
  top: 40%;
  left: -200px;
  background: radial-gradient(circle, rgba(22, 58, 45, 0.6) 0%, rgba(8, 10, 13, 0) 70%);
  animation-delay: -4s;
}

.orb-3 {
  width: 650px;
  height: 650px;
  bottom: -100px;
  right: -100px;
  background: radial-gradient(circle, rgba(30, 80, 62, 0.5) 0%, rgba(8, 10, 13, 0) 70%);
  animation-delay: -8s;
}

@keyframes pulse-glow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.25; }
  50% { transform: scale(1.15) translate(30px, -20px); opacity: 0.45; }
  100% { transform: scale(0.95) translate(-20px, 30px); opacity: 0.3; }
}

/* Navigation Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(8, 10, 13, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px 0;
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: var(--transition);
}

.logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.logo:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.user-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: #FFFFFF;
  color: #080A0D;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: #E8EBF0;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
  padding: 8px 18px;
  font-size: 0.9rem;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Main Layout */
.main-content {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 60px 0 100px;
}

.canvas-container {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 65%;
  height: 120%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

#hero-canvas {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.badge-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}

.ca-badge {
  cursor: pointer;
  transition: var(--transition);
}

.ca-badge:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.chain-badge {
  color: var(--accent-green);
  border-color: rgba(98, 196, 162, 0.2);
  background: rgba(98, 196, 162, 0.05);
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #D1D5DB 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Sections General */
.section {
  padding: 90px 0;
}

.section-header {
  margin-bottom: 48px;
  max-width: 680px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Grids */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Feature Cards */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-green-glow);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  margin-bottom: 24px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Metrics Banner */
.metrics-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 48px;
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-value {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.green-text { color: var(--accent-green); }
.peach-text { color: var(--accent-peach); }

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.metric-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
}

/* Step Cards (Optimizer) */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.step-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  transform: translateY(-4px);
}

.step-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-green);
  margin-bottom: 20px;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Scoring Section */
.scoring-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 56px;
  backdrop-filter: blur(16px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.scoring-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.scoring-desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.spec-btn {
  align-self: flex-start;
}

.formula-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: var(--transition);
}

.formula-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.formula-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.formula-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.green-dot { background-color: var(--accent-green); box-shadow: 0 0 10px var(--accent-green); }
.orange-dot { background-color: var(--accent-amber); box-shadow: 0 0 10px var(--accent-amber); }
.cyan-dot { background-color: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan); }
.peach-dot { background-color: var(--accent-peach); box-shadow: 0 0 10px var(--accent-peach); }

.formula-value {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* CTA Section */
.cta-card {
  background: linear-gradient(135deg, rgba(20, 26, 32, 0.8) 0%, rgba(12, 16, 20, 0.9) 100%);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 64px;
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(98, 196, 162, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 2;
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 40px 0;
  position: relative;
  z-index: 2;
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.copyright {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--text-primary);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(18, 22, 27, 0.95);
  border: 1px solid var(--accent-green);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px var(--accent-green-glow);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 999;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 8, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #0D1015;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  padding: 36px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(98, 196, 162, 0.1);
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.open .modal-card {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.modal-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.modal-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.asset-selector-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.asset-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.asset-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
}

.asset-btn.active {
  background: rgba(98, 196, 162, 0.1);
  border-color: var(--accent-green);
}

.asset-icon {
  font-size: 1.2rem;
}

.asset-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.asset-symbol {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.asset-name {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.asset-apy {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-green);
}

.deposit-form {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 20px;
}

.form-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.balance-text {
  color: var(--text-muted);
}

.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-group input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 12px 60px 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  outline: none;
  transition: var(--transition);
}

.input-group input:focus {
  border-color: var(--accent-green);
}

.max-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(98, 196, 162, 0.15);
  border: none;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.max-btn:hover {
  background: rgba(98, 196, 162, 0.3);
}

.route-details {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.route-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.route-val {
  font-weight: 500;
}

.modal-action-btn {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
}

/* Docs Modal */
.docs-card {
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
}

.docs-body {
  color: var(--text-secondary);
  line-height: 1.7;
}

.docs-body h3 {
  color: var(--text-primary);
  font-size: 1.15rem;
  margin: 24px 0 12px;
}

.docs-body p {
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.docs-body ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.docs-body li {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.code-block {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 20px;
}

.code-block pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #D1D5DB;
}

/* Media Queries */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .scoring-card { grid-template-columns: 1fr; gap: 36px; padding: 40px; }
  .metrics-card { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .metric-divider { display: none; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hero-title { font-size: 2.4rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cta-card { flex-direction: column; align-items: flex-start; gap: 24px; padding: 36px; }
  .footer-container { flex-direction: column; gap: 20px; text-align: center; }
  .metrics-card { grid-template-columns: 1fr; padding: 28px; }
  .asset-grid { grid-template-columns: 1fr; }
}