@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Instrument+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap");

:root {
  --color-background: #050505;
  --color-surface: #0b0d0c;
  --color-surface-2: #111413;
  --color-foreground: #e8ebe4;
  --color-muted: #8b9086;
  --color-subtle: #5c6058;
  --color-accent: #76b900;
  --color-accent-hover: #84cc00;
  --color-accent-foreground: #050505;
  --color-border: #1a1d19;
  --color-border-strong: #2c3028;
  --color-cell: #161916;

  --font-sans: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  --text-kicker: 0.6875rem;
  --tracking-label: 0.16em;
  --tracking-nav: 0.14em;

  --text-display: clamp(2.4rem, 7.2vw, 6.25rem);
  --text-section: clamp(2rem, 5.4vw, 4.75rem);
  --text-statement: clamp(1.4rem, 3.4vw, 2.85rem);
  --text-subhead: clamp(1.15rem, 2vw, 1.65rem);

  --shadow-border: 0 0 0 1px rgb(255 255 255 / 0.08);
  --shadow-border-hover: 0 0 0 1px rgb(255 255 255 / 0.16);

  --nav-height: 4.5rem;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--color-background);
  color: var(--color-foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: clip;
  scrollbar-color: #2c3028 #050505;
}

body {
  background-color: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100dvh;
}

::selection {
  background: var(--color-accent);
  color: var(--color-accent-foreground);
}

:focus-visible {
  outline: 1px solid var(--color-accent);
  outline-offset: 3px;
}

h1, h2, h3 {
  text-wrap: balance;
  font-weight: 500;
}

p {
  text-wrap: pretty;
}

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

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

button:not(:disabled),
[role="button"]:not(:disabled) {
  cursor: pointer;
}

/* Container */
.container {
  max-width: 80rem; /* 1280px */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

/* Typography Utilities */
.font-mono {
  font-family: var(--font-mono);
}

.font-sans {
  font-family: var(--font-sans);
}

.text-kicker {
  font-size: var(--text-kicker);
  line-height: 1.2;
  letter-spacing: var(--tracking-label);
  font-weight: 500;
  text-transform: uppercase;
}

.text-display {
  font-size: var(--text-display);
  line-height: 0.9;
  letter-spacing: -0.042em;
}

.text-section {
  font-size: var(--text-section);
  line-height: 0.94;
  letter-spacing: -0.038em;
}

.text-statement {
  font-size: var(--text-statement);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.text-subhead {
  font-size: var(--text-subhead);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

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

.text-subtle {
  color: var(--color-subtle);
}

.text-foreground {
  color: var(--color-foreground);
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Status Indicator Dot */
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-accent) 50%, transparent);
  animation: pulse-dot 2.6s ease-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-accent) 55%, transparent);
  }
  70% {
    box-shadow: 0 0 0 6px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.025em;
  user-select: none;
  transition: transform 150ms ease-out, background-color 150ms ease-out, color 150ms ease-out, box-shadow 150ms ease-out;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn:active:not(:disabled) {
  transform: scale(0.96);
}

.btn:disabled {
  pointer-events: none;
  opacity: 0.4;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-accent-foreground);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-foreground);
  box-shadow: var(--shadow-border);
}

.btn-secondary:hover {
  box-shadow: var(--shadow-border-hover);
  background-color: var(--color-surface);
}

.btn-quiet {
  background-color: var(--color-surface);
  color: var(--color-foreground);
  box-shadow: var(--shadow-border);
}

.btn-quiet:hover {
  box-shadow: var(--shadow-border-hover);
}

.btn-sm {
  height: 2.25rem;
  min-height: 2.75rem;
  padding: 0 0.875rem;
  font-size: 0.75rem;
}

.btn-md {
  min-height: 2.75rem;
  padding: 0 1.25rem;
}

.btn-lg {
  min-height: 3rem;
  padding: 0 1.5rem;
}

.w-full {
  width: 100%;
}

@media (min-width: 640px) {
  .sm-w-auto {
    width: auto !important;
  }
  .sm-flex-row {
    flex-direction: row !important;
  }
}

/* Site Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-background);
}

.nav-container {
  display: flex;
  height: var(--nav-height, 4rem);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-foreground);
  transition: opacity 150ms ease;
}

.brand-link:hover {
  opacity: 0.95;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: var(--tracking-nav);
}

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

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link-item {
  color: var(--color-muted);
  transition: color 150ms ease;
}

.nav-link-item:hover {
  color: var(--color-foreground);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.icon-button {
  position: relative;
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: color 150ms ease;
}

.icon-button:hover {
  color: var(--color-foreground);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: calc(100svh - var(--nav-height, 4rem));
  overflow: hidden;
}

.hero-grid {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(
      to right,
      color-mix(in srgb, var(--color-foreground) 4.5%, transparent) 1px,
      transparent 1px
    ),
    linear-gradient(
      to bottom,
      color-mix(in srgb, var(--color-foreground) 4.5%, transparent) 1px,
      transparent 1px
    );
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 45%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 45%, black 20%, transparent 75%);
}

.hero-glow {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 55% 45% at 70% 50%,
    color-mix(in srgb, var(--color-accent) 11%, transparent),
    transparent 70%
  );
}

.hero-content {
  position: relative;
  display: grid;
  min-height: calc(100svh - var(--nav-height, 4rem));
  align-items: center;
  gap: 3rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4rem;
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.hero-left {
  max-width: 48rem;
}

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

/* Hero Animations */
@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.hero-enter {
  animation: hero-enter 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Reveal Animations */
@keyframes reveal-in {
  from {
    opacity: 0;
    transform: translateY(16px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(4px);
}

.reveal.is-in {
  animation: reveal-in 560ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Memory Module Component */
.memory-module {
  position: relative;
  width: 100%;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-border);
}

.memory-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
}

@media (min-width: 640px) {
  .memory-header {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

.memory-header-left {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 1.5rem;
}

.memory-capacity-wrap {
  display: none;
}

@media (min-width: 640px) {
  .memory-capacity-wrap {
    display: block !important;
  }
}

.mem-clock {
  display: none;
}

@media (min-width: 640px) {
  .mem-clock {
    display: inline;
  }
}

.memory-body {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 0.75rem;
}

@media (min-width: 640px) {
  .memory-body {
    gap: 1rem;
    padding: 1.25rem;
  }
}

.memory-hex-sidebar {
  display: none;
  width: 2.5rem;
  flex-shrink: 0;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 0.125rem;
  padding-bottom: 0.125rem;
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  line-height: 1;
  color: var(--color-subtle);
}

@media (min-width: 640px) {
  .memory-hex-sidebar {
    display: flex;
  }
}

.memory-grid-cells {
  display: grid;
  min-width: 0;
  flex: 1;
  gap: 0.25rem;
  grid-template-columns: repeat(16, minmax(0, 1fr));
}

.mem-cell {
  aspect-ratio: 5 / 7;
  background: var(--color-cell);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.035);
  cursor: pointer;
  border-radius: 1px;
}

.mem-cell-lit {
  aspect-ratio: 5 / 7;
  background: var(--color-accent);
  box-shadow:
    0 0 10px color-mix(in srgb, var(--color-accent) 55%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--color-accent) 80%, white);
  animation: cell-breathe 3.2s ease-in-out infinite;
  cursor: pointer;
  border-radius: 1px;
}

@keyframes cell-breathe {
  0%, 100% {
    opacity: 0.82;
  }
  50% {
    opacity: 1;
  }
}

.memory-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  column-gap: 1rem;
  row-gap: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  color: var(--color-subtle);
}

@media (min-width: 640px) {
  .memory-footer {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

.divider-slash {
  margin-left: 0.5rem;
  margin-right: 0.5rem;
  color: var(--color-border-strong);
}

/* Generic Section Styles */
.section {
  border-top: 1px solid var(--color-border);
  scroll-margin-top: 5rem;
}

.section-inner {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

@media (min-width: 640px) {
  .section-inner {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
}

@media (min-width: 1024px) {
  .section-inner {
    padding-top: 10rem;
    padding-bottom: 10rem;
  }
}

/* Problem Section */
.statement-stack {
  margin-top: 4rem;
  max-width: 56rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .statement-stack {
    margin-top: 5rem;
    gap: 1.25rem;
  }
}

.ladder-container {
  margin-top: 5rem;
  max-width: 48rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

@media (min-width: 640px) {
  .ladder-container {
    margin-top: 7rem;
    gap: 3rem;
  }
}

.ladder-needed {
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .ladder-needed {
    padding-left: 4rem;
  }
}

.accent-bar {
  height: 1px;
  width: 4rem;
  background-color: var(--color-accent);
}

/* Scale Section */
.scale-grid {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.25rem;
  row-gap: 2.5rem;
}

@media (min-width: 640px) {
  .scale-grid {
    margin-top: 4rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 1rem;
  }
}

@media (min-width: 768px) {
  .scale-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
    column-gap: 1.25rem;
  }
}

.scale-column {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.scale-track {
  position: relative;
  height: 11rem; /* 176px */
}

@media (min-width: 640px) {
  .scale-track {
    height: 14rem; /* 224px */
  }
}

@media (min-width: 768px) {
  .scale-track {
    height: 16rem; /* 256px */
  }
}

.scale-track-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
}

.scale-bar {
  width: 100%;
  transform-origin: bottom center;
  transform: scaleY(0);
  background: color-mix(in srgb, var(--color-accent) var(--bar-mix, 40%), var(--color-cell));
}

@keyframes bar-rise {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

.scale-bar.is-in {
  animation: bar-rise 720ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.scale-bar-max {
  background: linear-gradient(
    to top,
    var(--color-accent),
    color-mix(in srgb, var(--color-accent) 35%, transparent)
  );
  box-shadow: 0 0 18px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

/* Specs Definition List & Token Grid */
.token-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .token-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
  }
}

.token-card {
  position: relative;
  background-color: #000000;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-border);
  transition: box-shadow 250ms ease, border-color 250ms ease;
  max-width: 340px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1024px) {
  .token-card {
    margin-left: 0;
    margin-right: 0;
  }
}

.token-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: 0 0 28px color-mix(in srgb, var(--color-accent) 18%, transparent), var(--shadow-border-hover);
}

.token-badge-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.token-card-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.nav-logo {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
  flex-shrink: 0;
  transition: transform 200ms ease, filter 200ms ease;
}

@media (min-width: 640px) {
  .nav-logo {
    width: 3.75rem;
    height: 3.75rem;
  }
}

.brand-link:hover .nav-logo {
  transform: scale(1.05);
  filter: drop-shadow(0 0 12px color-mix(in srgb, var(--color-accent) 70%, transparent));
}

.footer-logo {
  width: 1.25rem;
  height: 1.25rem;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.solution-emblem {
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
  display: block;
  margin-top: 1.25rem;
  filter: drop-shadow(0 0 14px color-mix(in srgb, var(--color-accent) 45%, transparent));
}

.final-emblem {
  width: 3.25rem;
  height: 3.25rem;
  object-fit: contain;
  display: block;
  margin-top: 3.5rem;
  margin-bottom: -2.5rem;
  filter: drop-shadow(0 0 16px color-mix(in srgb, var(--color-accent) 45%, transparent));
}

.specs-list {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.spec-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.spec-row:last-child {
  border-bottom: none;
}

@media (min-width: 640px) {
  .spec-row {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.25rem 0;
  }

  .spec-dt {
    grid-column: span 3;
  }

  .spec-dd {
    grid-column: span 9;
  }
}

.spec-dd {
  word-break: break-all;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-foreground);
}

/* Copy Icon Animation */
.copy-icon-box {
  position: relative;
  width: 1rem;
  height: 1rem;
  display: inline-block;
  vertical-align: middle;
}

.copy-icon,
.check-icon {
  position: absolute;
  inset: 0;
  width: 1rem;
  height: 1rem;
  transition: transform 300ms cubic-bezier(0.2, 0, 0, 1), opacity 300ms cubic-bezier(0.2, 0, 0, 1), filter 300ms cubic-bezier(0.2, 0, 0, 1);
}

.copy-icon-box:not(.is-copied) .check-icon {
  transform: scale(0.25);
  opacity: 0;
  filter: blur(4px);
}

.copy-icon-box:not(.is-copied) .copy-icon {
  transform: scale(1);
  opacity: 1;
  filter: none;
}

.copy-icon-box.is-copied .check-icon {
  transform: scale(1);
  opacity: 1;
  filter: none;
}

.copy-icon-box.is-copied .copy-icon {
  transform: scale(0.25);
  opacity: 0;
  filter: blur(4px);
}

/* Diagnostics / Eggs */
.section-eggs {
  border-top: 1px solid var(--color-border);
}

.eggs-inner {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.eggs-buttons {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .eggs-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/* Final CTA */
.final-cta-inner {
  display: flex;
  min-height: 80svh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 7rem;
  padding-bottom: 7rem;
  text-align: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 1024px) {
  .footer-top {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color 150ms ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.footer-bottom {
  padding-bottom: 2.5rem;
}

/* Toast Notifications */
.notice-container {
  pointer-events: none;
  position: fixed;
  inset-inline: 0;
  bottom: 1.5rem;
  z-index: 50;
  display: flex;
  justify-content: center;
  padding-left: 1rem;
  padding-right: 1rem;
}

.notice-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  padding: 0.625rem 0.875rem;
  box-shadow: var(--shadow-border);
}

@keyframes notice-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notice-enter {
  animation: notice-in 180ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-enter,
  .reveal,
  .reveal.is-in,
  .scale-bar,
  .scale-bar.is-in,
  .notice-enter,
  .mem-cell-lit,
  .status-dot {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .scale-bar,
  .scale-bar.is-in {
    transform: scaleY(1) !important;
  }
}