/* =============================================
   YFIN Studio — Main Stylesheet
   Design: Dark ecosystem, teal accent, Syne + DM Sans
   ============================================= */

:root {
  --bg:         #0a0d14;
  --bg-2:       #0f1320;
  --bg-card:    #141824;
  --bg-card-2:  #1a2030;
  --border:     rgba(255,255,255,0.07);
  --border-mid: rgba(255,255,255,0.12);
  --teal:       #00d4aa;
  --teal-dim:   #00a886;
  --teal-glow:  rgba(0, 212, 170, 0.15);
  --teal-glow2: rgba(0, 212, 170, 0.08);
  --yellow:     #f5c842;
  --white:      #f0f4ff;
  --muted:      #7a8499;
  --muted-mid:  #4a5568;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow:     0 4px 24px rgba(0,0,0,0.4);
  --shadow-teal:0 0 32px rgba(0,212,170,0.2);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select {
  font-family: var(--font-body);
  font-size: 15px;
}

/* CONTAINER */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10,13,20,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav.scrolled {
  background: rgba(10,13,20,0.97);
  border-color: var(--border-mid);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
  white-space: nowrap;
}
.logo-mark-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.footer-brand .logo-mark-img {
  width: 44px;
  height: 44px;
}
.logo-accent { color: var(--teal); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.nav-links .nav-cta {
  background: var(--teal);
  color: var(--bg);
  font-weight: 600;
  padding: 8px 18px;
}
.nav-links .nav-cta:hover { background: #00b896; color: var(--bg); }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.3s;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-glow2);
  border: 1px solid rgba(0,212,170,0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal);
  margin-bottom: 28px;
  font-family: var(--font-mono);
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 700px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--teal) 0%, #00eec8 50%, var(--yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 600px;
}
.stat-item {
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--teal);
}
.stat-label { font-size: 12px; color: var(--muted); font-weight: 500; }
.stat-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border: none;
  transition: all 0.2s;
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--teal);
  color: var(--bg);
}
.btn-primary:hover { background: #00b896; transform: translateY(-1px); box-shadow: var(--shadow-teal); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-mid);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal); background: var(--teal-glow2); }
.btn-ghost-teal {
  background: transparent;
  color: var(--teal);
  border: 1px solid rgba(0,212,170,0.3);
}
.btn-ghost-teal:hover { background: var(--teal-glow); border-color: var(--teal); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-teal { background: var(--teal); color: var(--bg); font-weight: 600; }
.btn-teal:hover { background: #00b896; }
.btn-full { width: 100%; }
.btn-primary-full { width: 100%; background: var(--teal); color: var(--bg); }
.btn-primary-full:hover { background: #00b896; }
.btn-outline-full {
  width: 100%;
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-mid);
}
.btn-outline-full:hover { border-color: var(--teal); color: var(--teal); }

/* =============================================
   YFIN BANNER
   ============================================= */
.yfin-banner {
  background: linear-gradient(135deg, rgba(0,212,170,0.1) 0%, rgba(0,212,170,0.05) 100%);
  border-top: 1px solid rgba(0,212,170,0.2);
  border-bottom: 1px solid rgba(0,212,170,0.2);
  padding: 20px 0;
}
.banner-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.banner-icon {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  color: var(--teal);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: 8px;
  padding: 6px 12px;
  white-space: nowrap;
}
.banner-text {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.banner-text strong { font-size: 14px; color: var(--white); }
.banner-text span { font-size: 13px; color: var(--muted); }

/* =============================================
   SECTIONS
   ============================================= */
.section { padding: 96px 0; }
.section-dark { background: var(--bg-2); }
.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 60px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
}
.section-header p { color: var(--muted); font-size: 17px; line-height: 1.7; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow-teal { color: var(--teal); }

/* =============================================
   SERVICE CARDS
   ============================================= */
.service-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: border-color 0.2s, transform 0.2s;
}
.service-card:hover {
  border-color: rgba(0,212,170,0.3);
  transform: translateY(-3px);
}
.service-icon {
  width: 56px; height: 56px;
  background: var(--teal-glow2);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 14px;
}
.service-card p { color: var(--muted); margin-bottom: 24px; line-height: 1.7; }
.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.service-features li {
  font-size: 14px;
  color: var(--muted);
  padding-left: 16px;
  position: relative;
}
.service-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 12px;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.2s;
}
.service-link:hover { gap: 8px; }

/* =============================================
   PILOT SECTION
   ============================================= */
.pilot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.pilot-content h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  line-height: 1.15;
}
.pilot-content p {
  color: var(--muted);
  margin-bottom: 16px;
  line-height: 1.75;
  font-size: 16px;
}
.pilot-stats {
  display: flex;
  gap: 32px;
  margin: 32px 0;
}
.p-stat { display: flex; flex-direction: column; gap: 4px; }
.p-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--teal);
}
.p-lab { font-size: 12px; color: var(--muted); }

/* Chain diagram */
.pilot-visual { display: flex; flex-direction: column; gap: 28px; }
.chain-diagram {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 14px;
  min-width: 85px;
  text-align: center;
  transition: border-color 0.2s;
}
.chain-node.active { border-color: rgba(0,212,170,0.25); }
.chain-node.nft {
  border-color: var(--teal);
  background: var(--teal-glow2);
  box-shadow: 0 0 20px rgba(0,212,170,0.15);
}
.chain-icon { font-size: 22px; }
.chain-node span { font-size: 12px; font-weight: 600; color: var(--white); }
.chain-node small { font-size: 10px; color: var(--muted); }
.chain-arrow { color: var(--teal); font-size: 16px; opacity: 0.6; }

/* NFT Card Preview */
.nft-card-preview {
  background: var(--bg-card);
  border: 1px solid rgba(0,212,170,0.3);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-teal);
}
.nft-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.nft-badge {
  background: var(--teal);
  color: var(--bg);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}
.nft-chain {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.nft-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.nft-card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.nft-card-meta > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-2);
  border-radius: 8px;
  padding: 10px 12px;
}
.nft-card-meta span { font-size: 11px; color: var(--muted); }
.nft-card-meta strong { font-size: 13px; color: var(--white); }
.nft-card-footer {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-align: right;
}

/* =============================================
   PROCESS STEPS
   ============================================= */
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.process-step {
  flex: 1;
  padding: 0 28px;
  text-align: center;
}
.process-step:first-child { padding-left: 0; }
.process-step:last-child { padding-right: 0; }
.step-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--teal);
  opacity: 0.3;
  margin-bottom: 12px;
}
.process-step h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.process-step p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.process-connector {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--border), var(--teal-dim), var(--border));
  margin-top: 32px;
  flex-shrink: 0;
}

/* =============================================
   PRICING
   ============================================= */
.pricing-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.tab-btn {
  padding: 10px 28px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}
.tab-btn.active {
  background: var(--teal);
  color: var(--bg);
  border-color: var(--teal);
}
.tab-btn:hover:not(.active) { border-color: var(--teal); color: var(--teal); }
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}
.pricing-grid.hidden { display: none; }
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.price-card:hover { transform: translateY(-4px); }
.price-card.featured {
  border-color: var(--teal);
  background: var(--bg-card-2);
  box-shadow: var(--shadow-teal);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-tier {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.price-amount span { font-size: 16px; color: var(--muted); font-weight: 400; }
.price-yfin {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
  margin-bottom: 28px;
}
.price-features {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 28px;
}
.price-features li { font-size: 13.5px; color: var(--muted); }
.price-features li:not(.muted) { color: var(--white); }

/* =============================================
   ORDER FORM
   ============================================= */
.order-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: flex-start;
}
.order-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.03em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--teal); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted-mid); }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-2); }
.form-group textarea { resize: vertical; }
.form-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: -8px; }
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}
.sidebar-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--white);
}
.why-list { display: flex; flex-direction: column; gap: 16px; }
.why-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.why-icon { font-size: 18px; line-height: 1.2; flex-shrink: 0; }
.why-list strong { display: block; font-size: 14px; margin-bottom: 2px; }
.why-list p { font-size: 13px; color: var(--muted); margin: 0; }
.sidebar-contact { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--muted);
  transition: all 0.2s;
}
.contact-link:hover { border-color: var(--teal); color: var(--teal); }
.contact-link svg { flex-shrink: 0; color: var(--teal); }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 20px;
}
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 36px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all 0.2s;
}
.footer-socials a:hover { border-color: var(--teal); color: var(--teal); }
.footer-col h5 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contract {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-contract span { font-size: 12px; color: var(--muted); }
.footer-contract code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
  background: var(--teal-glow2);
  border: 1px solid rgba(0,212,170,0.15);
  padding: 3px 10px;
  border-radius: 4px;
}
.contract-chain {
  background: rgba(245,200,66,0.1);
  border: 1px solid rgba(245,200,66,0.2);
  color: var(--yellow);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.06em;
}
.footer-ecosystem-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.footer-ecosystem-links a { font-size: 13px; color: var(--muted); transition: color 0.2s; }
.footer-ecosystem-links a:hover { color: var(--teal); }
.footer-ecosystem-links span { color: var(--border-mid); font-size: 12px; }
.footer-legal { font-size: 12px; color: var(--muted-mid); line-height: 1.7; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 960px) {
  .service-cards { grid-template-columns: 1fr; }
  .pilot-grid { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .order-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .process-steps { flex-direction: column; gap: 24px; }
  .process-connector { width: 1px; height: 24px; align-self: center; background: linear-gradient(180deg, var(--border), var(--teal-dim), var(--border)); }
  .process-step { text-align: left; padding: 0; }
  .step-num { font-size: 28px; }
}
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 4px;
    z-index: 99;
  }
  .nav-links.open a { padding: 12px 0; font-size: 16px; }
  .hero { padding: 120px 0 72px; }
  .hero-title { font-size: 38px; }
  .hero-stats { flex-direction: column; }
  .stat-divider { width: 100%; height: 1px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .chain-diagram { gap: 2px; }
  .chain-node { min-width: 70px; padding: 12px 8px; }
  .pilot-stats { flex-direction: column; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .pricing-tabs { flex-direction: column; align-items: center; }
}