*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  background-color: #050505;
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-weight: 300;
  color: #f1f2f4;
  background-color: #050505;
  line-height: 1.5;
  min-height: 100vh;
  letter-spacing: -0.005em;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  margin: 0 0 1.25rem;
  padding-left: 1.4rem;
}

li {
  color: rgba(243, 243, 243, 0.6);
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 60%),
    #050505;
}

.top-nav {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.25rem 4vw;
  background: rgba(5, 5, 5, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  z-index: 30;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 1.24rem;
  letter-spacing: 0.22rem;
  text-transform: uppercase;
  font-weight: 500;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 4.2rem;
  height: 4.2rem;
  border-radius: 50%;
  background: transparent;
  overflow: visible;
  box-shadow: none;
  position: relative;
  isolation: isolate;
}

.brand-logo {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  background: transparent;
  filter: saturate(1.6) contrast(1.4) brightness(1.2);
  transition: filter 0.3s ease;
}

.brand-logo:hover {
  filter: saturate(1.8) contrast(1.5) brightness(1.35);
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12rem;
  flex-wrap: wrap;
}

.nav-links a {
  position: relative;
  padding-bottom: 0.4rem;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a:hover,
.nav-links a.active {
  color: rgba(255, 255, 255, 0.92);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  background: none;
  border: none;
  padding: 0.2rem;
  cursor: pointer;
}

.nav-toggle-line {
  width: 1.6rem;
  height: 2px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(5rem, 9vw, 8rem);
  padding-bottom: 6rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 5rem;
  padding: 8rem 4vw 6rem;
  align-items: center;
  position: relative;
}

.hero-content .tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18rem;
  color: rgba(255, 255, 255, 0.58);
}

.hero-content .tag::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(2.7rem, 4vw, 4rem);
  line-height: 1.15;
  margin: 1.6rem 0;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: -0.015em;
}

.lead {
  max-width: 35ch;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2.3rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.primary,
.secondary {
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  font-size: 0.9rem;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.primary {
  background: rgba(255, 255, 255, 0.08);
}

.primary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.secondary {
  background: transparent;
}

.secondary:hover {
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin: 0;
}

.hero-metrics dt {
  font-size: 1.5rem;
  font-weight: 400;
  color: #ffffff;
}

.hero-metrics dd {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.trust-band {
  margin-top: 2.2rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.48);
}

.hero-visual {
  position: relative;
  width: clamp(280px, 46vw, 540px);
  height: clamp(280px, 46vw, 540px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.hero-visual .halo {
  position: absolute;
  width: 118%;
  height: 118%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.02) 60%);
  filter: blur(1px);
  opacity: 0.6;
}

#globe-canvas {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), rgba(0, 0, 0, 0.85));
  box-shadow: 0 80px 180px rgba(0, 0, 0, 0.6);
}

.hero-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  pointer-events: none;
  box-sizing: border-box;
}

.grid {
  position: absolute;
  width: 88%;
  height: 88%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 55%, rgba(255, 255, 255, 0) 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), #000);
  clip-path: circle(50% at 50% 50%);
}

.intro-sequence {
  position: relative;
  min-height: 200vh;
  padding: clamp(6rem, 12vh, 10rem) 6vw;
}

.intro-track {
  position: sticky;
  top: clamp(6rem, 18vh, 14rem);
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 520px);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.intro-visual {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.intro-lines {
  display: grid;
  gap: clamp(1.8rem, 5vh, 2.6rem);
}

.intro-line {
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.24;
  color: rgba(244, 246, 255, 0.92);
  letter-spacing: -0.01em;
  opacity: 0.12;
  transform: translateY(20px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.intro-line:first-child {
  opacity: 1;
  transform: translateY(0);
}

.intro-line.is-active {
  opacity: 1;
  transform: translateY(0);
}

.intro-line.is-fading {
  opacity: 0.35;
  transform: translateY(10px);
}

.page-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 4rem;
  padding: 6rem 4vw 4rem;
  align-items: start;
}

.page-hero.compact {
  padding-bottom: 2rem;
}

.page-hero-content > h1 {
  font-size: clamp(2.4rem, 3.6vw, 3.4rem);
  margin: 1.2rem 0 1.5rem;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: -0.015em;
}

.page-hero-content > p {
  max-width: 55ch;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.05rem;
}

.page-section {
  padding: 0 4vw;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.page-section.highlight {
  padding-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.8rem;
}

.stat-grid article {
  padding: 1.8rem 1.6rem;
  border-radius: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.stat-grid h2 {
  margin: 0 0 0.8rem;
  font-weight: 600;
  letter-spacing: 0.24rem;
  text-transform: uppercase;
}

.stat-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.feature-grid.cols-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.feature-grid.cols-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card {
  padding: 2.2rem 2rem;
  border-radius: 1.75rem;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 1rem;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 500;
}

.feature-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
}

.feature-card a {
  justify-self: flex-start;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.detail-card {
  padding: 2.2rem 2rem;
  border-radius: 1.75rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: grid;
  gap: 1rem;
}

.detail-card h3 {
  margin: 0;
  font-size: 1.25rem;
}

.detail-card p,
.detail-card li {
  color: rgba(255, 255, 255, 0.64);
}

.detail-card ul,
.detail-card ol {
  margin: 0;
  padding-left: 1.4rem;
  display: grid;
  gap: 0.6rem;
}

.detail-card li::marker {
  color: rgba(255, 255, 255, 0.4);
}

.highlight-panel {
  padding: 3rem 3.2rem;
  border-radius: 2rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  gap: 1.5rem;
  justify-items: flex-start;
}

.highlight-panel p {
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.68);
}

.highlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.highlight-actions .secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
}

.portal-form {
  display: grid;
  gap: 1.5rem;
  width: min(520px, 100%);
}

.form-row {
  display: grid;
  gap: 0.6rem;
}

.form-row label {
  font-size: 0.85rem;
  letter-spacing: 0.16rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: #f3f3f3;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-row select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, rgba(255, 255, 255, 0.4) 50%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.4) 50%, transparent 50%);
  background-position: calc(100% - 1.2rem) calc(1.15rem), calc(100% - 0.8rem) calc(1.15rem);
  background-size: 8px 8px, 8px 8px;
  background-repeat: no-repeat;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.12);
}

.form-row textarea {
  resize: vertical;
  min-height: 160px;
}

.section {
  padding: 0 4vw;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.section-heading {
  max-width: 60ch;
}

.section-heading h2 {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  margin-bottom: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-heading p {
  color: rgba(255, 255, 255, 0.64);
  font-size: 1rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.pillars article {
  padding: 2rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  min-height: 220px;
}

.pillars h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.pillars p {
  color: rgba(255, 255, 255, 0.6);
}

.ribbon {
  padding: 0;
  position: relative;
  overflow: hidden;
}

.ribbon-track {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 1.35rem 4vw;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(12, 16, 24, 0.68);
  backdrop-filter: blur(6px);
  font-size: clamp(0.85rem, 0.65vw + 0.4rem, 1.05rem);
  letter-spacing: 0.18rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.76);
  font-weight: 500;
  width: max-content;
  animation: ribbon-scroll 28s linear infinite;
  will-change: transform;
}

.ribbon-sequence {
  display: flex;
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
  padding-right: clamp(2.5rem, 6vw, 5rem);
  flex-shrink: 0;
}

.ribbon-sequence span {
  white-space: nowrap;
}

.ribbon::before,
.ribbon::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4vw;
  pointer-events: none;
  z-index: 2;
  background: linear-gradient(90deg, rgba(5, 5, 5, 0.85), rgba(5, 5, 5, 0));
}

.ribbon::after {
  right: 0;
  transform: rotate(180deg);
}

.ribbon::before {
  left: 0;
}

@keyframes ribbon-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ribbon-track {
    animation: none;
    transform: none;
  }
}

.parallax {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 4vw;
  overflow: hidden;
}

.parallax::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.6;
  z-index: 0;
}

.parallax-spectrum::before {
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.25), rgba(0, 0, 0, 0) 60%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.18), rgba(0, 0, 0, 0) 58%);
}

.parallax-grid::before {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(0, 0, 0, 0.75)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0, rgba(255, 255, 255, 0.06) 1px, transparent 1px, transparent 12px);
}

.parallax-content {
  position: relative;
  max-width: 48ch;
  text-align: center;
  z-index: 1;
}

.parallax-content h2 {
  font-size: clamp(2rem, 2.5vw, 2.6rem);
  margin-bottom: 1rem;
}

.parallax-content p {
  color: rgba(255, 255, 255, 0.65);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.timeline-step {
  padding: 2.5rem 2rem;
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.step-label {
  display: inline-flex;
  width: 2.2rem;
  height: 2.2rem;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.1rem;
}

.timeline-step h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.timeline-step p {
  color: rgba(255, 255, 255, 0.6);
}

.performance {
  align-items: center;
}

.chart {
  width: min(780px, 90vw);
  border-radius: 2rem;
  padding: 3rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.07);
  display: grid;
  gap: 2rem;
}

.chart-y-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  letter-spacing: 0.14rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}

.chart-bars {
  display: grid;
  gap: 1.5rem;
}

.bar {
  display: grid;
  grid-template-columns: minmax(110px, 140px) 1fr minmax(200px, 260px);
  gap: 1.2rem;
  align-items: center;
}

.bar-name {
  font-size: 0.9rem;
  letter-spacing: 0.16rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}

.bar-metric {
  display: grid;
  gap: 0.65rem;
}

.bar-cost {
  font-size: 0.82rem;
  letter-spacing: 0.08rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.bar-track {
  height: 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.6));
  transition: width 1.6s cubic-bezier(0.32, 0.72, 0, 1);
}

.bar-finality {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.4;
}

.chart-note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.ecosystem-card {
  padding: 2.3rem 2rem;
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.ecosystem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.2rem;
  font-weight: 500;
}

.ecosystem-card p {
  color: rgba(255, 255, 255, 0.6);
}

.access {
  align-items: center;
}

.access-panel {
  width: min(720px, 90vw);
  padding: 3rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.access-panel h2 {
  font-size: clamp(2rem, 2.8vw, 2.6rem);
  margin-bottom: 1.5rem;
}

.access-panel p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 2rem;
}

.access-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.footer {
  margin-top: auto;
  padding: 3rem 4vw;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 5, 5, 0.95);
  display: grid;
  gap: 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.whitepaper {
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 0.4rem;
}

.donation {
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.donation p {
  color: rgba(255, 255, 255, 0.6);
}

.donate-button {
  padding: 0.85rem 2.4rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #f5f5f5;
  letter-spacing: 0.14rem;
  text-transform: uppercase;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.donate-button:hover {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.16);
}

.copyright {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.18rem;
  text-transform: uppercase;
}

@media (max-width: 1024px) {
  .hero {
    gap: 3.5rem;
  }

  .hero-visual {
    width: clamp(260px, 60vw, 460px);
    height: clamp(260px, 60vw, 460px);
  }
}

@media (max-width: 900px) {
  .hero {
    padding-top: 7rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .bar {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .bar-name,
  .bar-metric,
  .bar-finality {
    justify-self: flex-start;
  }

  .chart {
    padding: 2.5rem 2rem;
  }
}

@media (max-width: 780px) {
  .top-nav {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    inset: 0 0 auto 0;
    top: 68px;
    padding: 2.5rem 4vw 3rem;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 1.5rem;
    background: rgba(5, 5, 5, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 25;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: center;
    width: clamp(240px, 70vw, 420px);
    height: clamp(240px, 70vw, 420px);
    margin: 0 auto;
  }

}

@media (max-width: 600px) {
  .pillars article,
  .timeline-step,
  .ecosystem-card {
    padding: 2rem 1.6rem;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .hero-visual {
    width: clamp(220px, 76vw, 360px);
    height: clamp(220px, 76vw, 360px);
  }

  .intro-sequence {
    min-height: 180vh;
    padding: clamp(4rem, 14vh, 6rem) 8vw;
  }

  .intro-track {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: clamp(1.5rem, 10vw, 2.5rem);
    top: clamp(4rem, 16vh, 8rem);
  }

  .intro-visual {
    max-width: min(240px, 60vw);
  }

  .intro-line {
    font-size: clamp(1.4rem, 6vw, 2rem);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .trust-band {
    letter-spacing: 0.12rem;
    font-size: 0.78rem;
  }

  .hero-visual {
    width: clamp(200px, 82vw, 320px);
    height: clamp(200px, 82vw, 320px);
  }

  .intro-track {
    gap: 2rem;
  }
}