:root {
    --anthrazit:         #2B2B2B;
  --anthrazit-deep:    #181818;
  --anthrazit-light:   #3A3A3A;
  --anthrazit-surface: #222222;
  --rot:               #ED1C24;
  --rot-glow:          rgba(237, 28, 36, 0.14);
  --rot-dim:           #C4161D;
  --rot-bright:        #FF3D44;

    --white:    #FFFFFF;
  --gray-50:  #FAFAFA;
  --gray-100: #F0F0F0;
  --gray-200: #DCDCDC;
  --gray-300: #BABABA;
  --gray-400: #999999;
  --gray-500: #6E6E6E;
  --gray-600: #4A4A4A;
  --gray-700: #383838;
  --gray-800: #2E2E2E;

    --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display",
                  "Segoe UI", system-ui, "Helvetica Neue", Helvetica, sans-serif;
  --font-mono:    ui-monospace, "Cascadia Code", "SF Mono", "Fira Code",
                  "JetBrains Mono", "Consolas", monospace;

    --section-pad-x: 3rem;
  --section-pad-y: 7rem;
  --container-max: 1200px;

    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}


*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-display);
  background: var(--anthrazit-deep);
  color: var(--gray-200);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}



.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.1rem var(--section-pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(24, 24, 24, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: padding 0.4s ease, background 0.4s ease;
}
.nav.scrolled {
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
  background: rgba(24, 24, 24, 0.95);
}

/* Brand */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--white);
}
.nav-brand-logo {
  height: 32px;
  width: auto;
}
.nav-brand-text {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.3px;
}
.nav-brand-text span { color: var(--rot); }

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}
.nav-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--white); }

/* Lang toggle */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.lang-btn {
  padding: 0.35rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  font-family: var(--font-display);
  text-transform: uppercase;
}
.lang-btn.active {
  background: var(--rot);
  color: var(--white);
}
.lang-btn:hover:not(.active) { color: var(--gray-200); }

/* CTA in nav */
.nav-cta {
  background: var(--rot) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.3rem !important;
  border-radius: 6px;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  transition: all 0.3s !important;
  letter-spacing: 0.4px !important;
}
.nav-cta:hover {
  background: var(--rot-dim) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--rot-glow);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-200);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(24, 24, 24, 0.98);
  backdrop-filter: blur(24px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.mobile-menu a {
  color: var(--gray-200);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--rot); }
.mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: 1.5rem;
  cursor: pointer;
}



.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--rot);
  color: var(--white);
  padding: 0.85rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.3px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
}
.btn-primary:hover {
  background: var(--rot-dim);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--rot-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: transparent;
  color: var(--gray-200);
  padding: 0.85rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.88rem;
  border: 1px solid var(--gray-600);
  transition: all 0.3s;
  cursor: pointer;
  font-family: var(--font-display);
}
.btn-secondary:hover {
  border-color: var(--gray-400);
  color: var(--white);
  transform: translateY(-2px);
}



section {
  padding: var(--section-pad-y) var(--section-pad-x);
  position: relative;
}
.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--rot);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--rot);
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.9rem;
  letter-spacing: -0.5px;
  line-height: 1.15;
}
.section-desc {
  font-size: 1rem;
  color: var(--gray-400);
  max-width: 580px;
  line-height: 1.75;
  font-weight: 400;
}



.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem var(--section-pad-x) 4rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 65% 40%, var(--rot-glow), transparent),
    radial-gradient(ellipse 45% 45% at 15% 75%, rgba(237, 28, 36, 0.04), transparent),
    linear-gradient(170deg, var(--anthrazit-deep) 0%, var(--anthrazit) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 65% 55% at 55% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 55% 50%, black, transparent);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(237, 28, 36, 0.08);
  border: 1px solid rgba(237, 28, 36, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--rot);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) both;
}
.hero-badge i { font-size: 0.65rem; }

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.06;
  color: var(--white);
  margin-bottom: 1.4rem;
  letter-spacing: -1.5px;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.12s both;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--rot), var(--rot-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--gray-400);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-weight: 400;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.24s both;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.36s both;
}

/* Floating metrics */
.hero-metrics {
  position: absolute;
  right: 5.5%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  z-index: 2;
  animation: fadeInRight 1s var(--ease-out-expo) 0.5s both;
}
.metric-card {
  background: rgba(34, 34, 34, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  padding: 1.3rem 1.8rem;
  min-width: 200px;
  transition: all 0.35s ease;
}
.metric-card:hover {
  border-color: rgba(237, 28, 36, 0.25);
  transform: translateX(-4px);
}
.metric-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.25rem;
}
.metric-value .unit {
  font-size: 0.85rem;
  color: var(--rot);
  font-weight: 600;
}
.metric-label {
  font-size: 0.7rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}



#features { background: var(--anthrazit); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
}
.feature-card {
  background: var(--anthrazit-surface);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rot), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.feature-card:hover {
  border-color: rgba(237, 28, 36, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 46px;
  height: 46px;
  background: var(--rot-glow);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.3rem;
  color: var(--rot);
  font-size: 1.05rem;
}
.feature-card h3 {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.feature-card p {
  font-size: 0.84rem;
  color: var(--gray-500);
  line-height: 1.65;
}



#architecture { background: var(--anthrazit-deep); }

.arch-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
  margin-top: 3.5rem;
}
.arch-diagram {
  background: var(--anthrazit-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2.5rem 2rem;
}
.arch-node {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.2rem;
  border-radius: 11px;
  margin-bottom: 0.5rem;
}
.arch-node.master {
  background: rgba(237, 28, 36, 0.1);
  border: 1px solid rgba(237, 28, 36, 0.3);
}
.arch-node.slave {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-left: 2.2rem;
}
.arch-node-icon {
  width: 38px; height: 38px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.arch-node.master .arch-node-icon {
  background: var(--rot);
  color: var(--white);
}
.arch-node.slave .arch-node-icon {
  background: rgba(255, 255, 255, 0.07);
  color: var(--gray-400);
}
.arch-node-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.1rem;
}
.arch-node-info span {
  font-size: 0.72rem;
  color: var(--gray-500);
}
.arch-connector {
  width: 1px;
  height: 18px;
  background: linear-gradient(180deg, rgba(237,28,36,0.4), rgba(255,255,255,0.06));
  margin-left: 3.2rem;
}
.arch-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.1rem;
  line-height: 1.3;
}
.arch-text p {
  color: var(--gray-400);
  line-height: 1.8;
  margin-bottom: 1.4rem;
  font-size: 0.92rem;
}
.arch-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.arch-highlights li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  color: var(--gray-200);
}
.arch-highlights li i {
  color: var(--rot);
  font-size: 0.7rem;
  width: 18px;
  text-align: center;
}



#protocols { background: var(--anthrazit); }

.protocols-showcase {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.protocol-item {
  background: var(--anthrazit-surface);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 1.5rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.35s ease;
  cursor: default;
}
.protocol-item:hover {
  border-color: rgba(237, 28, 36, 0.22);
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.22);
}
.protocol-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rot);
  background: var(--rot-glow);
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.protocol-info { flex: 1; }
.protocol-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.1rem;
}
.protocol-info span {
  font-size: 0.72rem;
  color: var(--gray-500);
}
.protocol-status {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
  flex-shrink: 0;
}

.protocols-note {
  margin-top: 2rem;
  padding: 1.3rem 1.6rem;
  background: rgba(237, 28, 36, 0.04);
  border: 1px solid rgba(237, 28, 36, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.84rem;
  color: var(--gray-400);
}
.protocols-note i {
  color: var(--rot);
  font-size: 1rem;
  flex-shrink: 0;
}



#pricing { background: var(--anthrazit-deep); }

.pricing-models {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3.5rem;
}
.pricing-card {
  background: var(--anthrazit-surface);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 18px;
  padding: 2.3rem;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}
.pricing-card.featured {
  border-color: rgba(237, 28, 36, 0.25);
  box-shadow: 0 0 50px rgba(237, 28, 36, 0.06);
}
.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--rot), var(--rot-bright));
}
.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.3);
}
.pricing-icon {
  width: 48px; height: 48px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 1.3rem;
}
.pricing-card:nth-child(1) .pricing-icon {
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
}
.pricing-card:nth-child(2) .pricing-icon {
  background: var(--rot-glow);
  color: var(--rot);
}
.pricing-card:nth-child(3) .pricing-icon {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
}
.pricing-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.3rem;
}
.pricing-price {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--rot);
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}
.pricing-desc {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 1.3rem;
}
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.8rem;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  color: var(--gray-200);
}
.pricing-features li i {
  font-size: 0.65rem;
  color: var(--rot);
  width: 14px;
  text-align: center;
}
.pricing-cta {
  font-size: 0.78rem;
  color: var(--rot);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 0.3s;
}
.pricing-cta:hover { gap: 0.8rem; }

.pricing-footnote {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-500);
  line-height: 1.6;
}



#onboarding { background: var(--anthrazit); }

.onboarding-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 3.5rem;
}
.onboarding-flow .step-card {
  flex: 1;
  text-align: center;
  padding: 1.8rem 1.2rem;
}
.step-icon {
  width: 52px; height: 52px;
  border-radius: 13px;
  background: var(--anthrazit-surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--rot);
  font-size: 1.1rem;
}
.step-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.4rem;
}
.step-card p {
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.6;
}
.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 2.2rem;
  color: rgba(237, 28, 36, 0.35);
  font-size: 0.9rem;
  flex-shrink: 0;
  width: 32px;
}



#cta {
  background: var(--anthrazit-deep);
  text-align: center;
  padding: 8rem var(--section-pad-x);
  position: relative;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--rot-glow), transparent 65%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
#cta .section-container { position: relative; z-index: 2; }
#cta .section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  margin-bottom: 0.8rem;
}
#cta .section-desc {
  margin: 0 auto 2.5rem;
  text-align: center;
  max-width: 480px;
}
#cta .section-label { justify-content: center; }
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}



footer {
  background: var(--anthrazit-surface);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 3.2rem var(--section-pad-x) 1.8rem;
}
.footer-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.footer-brand { max-width: 280px; }
.footer-brand .nav-brand { margin-bottom: 0.8rem; }
.footer-brand p {
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.7;
}
.footer-col h5 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray-400);
  font-weight: 600;
  margin-bottom: 0.85rem;
}
.footer-col a {
  display: block;
  font-size: 0.82rem;
  color: var(--gray-500);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  max-width: var(--container-max);
  margin: 2rem auto 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom span,
.footer-bottom a {
  font-size: 0.72rem;
  color: var(--gray-600);
  text-decoration: none;
}
.footer-bottom a:hover { color: var(--gray-400); }



@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translate(36px, -50%); }
  to   { opacity: 1; transform: translate(0, -50%); }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: all 0.65s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}



@media (max-width: 1024px) {
  .hero-metrics { display: none; }
  .features-grid,
  .protocols-showcase,
  .pricing-models { grid-template-columns: repeat(2, 1fr); }
  .arch-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .onboarding-flow {
    flex-wrap: wrap;
    justify-content: center;
  }
  .onboarding-flow .step-card {
    flex: 0 0 calc(50% - 24px);
  }
  .step-arrow:nth-of-type(2) {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad-x: 1.5rem;
    --section-pad-y: 5rem;
  }
  .nav { padding: 0.9rem 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 7rem 1.5rem 3rem; }
  .hero h1 { letter-spacing: -1px; }
  .features-grid,
  .protocols-showcase,
  .pricing-models { grid-template-columns: 1fr; }
  .hero-actions,
  .cta-buttons { flex-direction: column; }
  .cta-buttons { align-items: center; }
  .footer-content { flex-direction: column; }
  .onboarding-flow {
    flex-direction: column;
    align-items: center;
  }
  .onboarding-flow .step-card {
    flex: none;
    width: 100%;
    max-width: 360px;
  }
  .step-arrow {
    padding-top: 0;
    width: auto;
    padding: 0.3rem 0;
    transform: rotate(90deg);
  }
}