/* AlphaOracle layout and components */

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  max-width: 20ch;
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  opacity: 1;
  color: var(--accent);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  opacity: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: 1.125rem;
  height: 1.125rem;
}

[data-theme="light"] .theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  z-index: 99;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu li {
  border-bottom: 1px solid var(--border);
}

.mobile-menu a {
  display: block;
  padding: 1rem 0;
  color: var(--text);
  font-weight: 500;
}

@media (min-width: 640px) {
  .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  padding-block: clamp(4rem, 12vw, 8rem) clamp(3rem, 8vw, 5rem);
}

.hero-eyebrow {
  font-size: 0.875rem;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 600;
  max-width: 16ch;
  margin-bottom: 1.25rem;
  animation: hero-in 0.8s ease-out both;
  animation-delay: 0.15s;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--text-muted);
  max-width: 42ch;
  animation: hero-in 0.8s ease-out both;
  animation-delay: 0.3s;
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.card-icon {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9375rem;
  margin: 0;
}

/* Feature rows */
.feature-row {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  grid-template-columns: 1fr;
}

.feature-row.reverse .feature-media {
  order: -1;
}

@media (min-width: 768px) {
  .feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .feature-row.reverse .feature-media {
    order: 1;
  }
}

.feature-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

/* Animated feature graphics (Stay Centered, etc.) */
.feature-graphic {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem 1rem 1rem;
  box-shadow: var(--shadow-md);
}

.feature-graphic-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 55% at 50% 15%, color-mix(in srgb, #E62058 14%, transparent), transparent 70%),
    radial-gradient(ellipse 45% 40% at 15% 85%, color-mix(in srgb, #21f3bf 7%, transparent), transparent),
    radial-gradient(ellipse 45% 40% at 85% 80%, color-mix(in srgb, #4cade6 8%, transparent), transparent);
  pointer-events: none;
}

.median-hero-svg {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
}

.median-hero-node-label {
  font-family: var(--font-heading);
  font-size: 9px;
  font-weight: 600;
  fill: var(--text-muted);
}

.median-hero-core-label {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  fill: var(--accent-gold);
}

@keyframes median-orbit {
  to { transform: rotate(360deg); }
}

@keyframes median-orbit-rev {
  to { transform: rotate(-360deg); }
}

@keyframes median-pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.03); }
}

@keyframes median-signal {
  0% { stroke-dashoffset: 28; opacity: 0.3; }
  50% { opacity: 0.95; }
  100% { stroke-dashoffset: 0; opacity: 0.3; }
}

@keyframes median-node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes median-node-float-b {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(3px); }
}

@keyframes median-core {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

.median-hero-orbit {
  transform-origin: 200px 120px;
  animation: median-orbit 28s linear infinite;
}

.median-hero-orbit-rev {
  animation: median-orbit-rev 20s linear infinite;
}

.median-hero-pulse {
  transform-origin: 200px 120px;
  animation: median-pulse 4.5s ease-in-out infinite;
}

.median-hero-signal {
  stroke-dasharray: 7 7;
  animation: median-signal 2.4s ease-in-out infinite;
}

.median-hero-signal-delay {
  animation-delay: 1.2s;
}

.median-hero-node-a { transform-origin: 58px 48px; animation: median-node-float 3.8s ease-in-out infinite; }
.median-hero-node-b { transform-origin: 342px 52px; animation: median-node-float-b 3.5s ease-in-out infinite; }
.median-hero-node-c { transform-origin: 42px 120px; animation: median-node-float-b 4s ease-in-out infinite; }
.median-hero-node-d { transform-origin: 358px 128px; animation: median-node-float 3.6s ease-in-out infinite; }
.median-hero-node-e { transform-origin: 68px 192px; animation: median-node-float 4.2s ease-in-out infinite; }
.median-hero-node-f { transform-origin: 332px 188px; animation: median-node-float-b 3.9s ease-in-out infinite; }

.median-hero-core {
  transform-origin: 200px 120px;
  animation: median-core 2.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .median-hero-orbit,
  .median-hero-orbit-rev,
  .median-hero-pulse,
  .median-hero-signal,
  .median-hero-node-a,
  .median-hero-node-b,
  .median-hero-node-c,
  .median-hero-node-d,
  .median-hero-node-e,
  .median-hero-node-f,
  .median-hero-core {
    animation: none;
  }
}

.feature-content h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), opacity var(--transition);
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
}

.btn-primary:hover {
  background: var(--btn-hover);
  opacity: 1;
  color: var(--btn-text);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--text);
  opacity: 1;
  color: var(--text);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

/* CTA band */
.cta-band {
  background: var(--surface);
  border-block: 1px solid var(--border);
  text-align: center;
}

.cta-band .container {
  padding-block: clamp(3rem, 8vw, 5rem);
}

.cta-band img {
  width: 3.5rem;
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.cta-band p {
  max-width: 42rem;
  margin-inline: auto;
  text-align: center;
}

/* Staking section */
.staking-section {
  max-width: 42rem;
}

.staking-section p {
  margin-bottom: 1rem;
}

.staking-section .btn-group {
  margin-top: 1.5rem;
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: 3rem 1.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-email {
  color: var(--accent);
  font-weight: 500;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

.footer-social:hover {
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Prose (legal pages) */
.prose {
  max-width: 45rem;
  padding-block: clamp(3rem, 8vw, 5rem);
}

.prose h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 0.5rem;
}

.prose h5 {
  font-size: 1.125rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.prose p,
.prose li {
  color: var(--text-muted);
}

.prose ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.prose .updated {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.prose code {
  font-family: ui-monospace, monospace;
  font-size: 0.8125rem;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  color: var(--text);
  word-break: break-all;
}

/* Flare explainer */
.flare-section {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-bottom: 1px solid var(--border);
}

.flare-section:last-child {
  border-bottom: none;
}

.flare-section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.flare-list {
  padding-left: 1.25rem;
  color: var(--text-muted);
}

.flare-list li {
  margin-bottom: 0.5rem;
}

.info-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-block: 1.5rem;
}

.info-box p {
  margin: 0;
  font-size: 0.9375rem;
}

/* 404 */
.not-found {
  text-align: center;
  padding-block: clamp(6rem, 20vw, 12rem);
}

.not-found h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  color: var(--text-muted);
  opacity: 0.3;
  margin-bottom: 0.5rem;
}

.not-found p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}