/* ============================================================
   JOATA DEVELOP — Engineering Digital Infrastructure
   Design System: dark command-center / developer console
   ============================================================ */

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-variable.woff2') format('woff2');
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-variable.woff2') format('woff2');
}

/* ---------- Design tokens ---------- */
:root {
  --font-sans: 'Space Grotesk', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Type scale */
  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.3rem;
  --text-xl: clamp(1.5rem, 1.3rem + 0.8vw, 1.9rem);
  --text-2xl: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem);
  --text-3xl: clamp(2.4rem, 1.8rem + 2.4vw, 3.4rem);
  --text-hero: clamp(3.2rem, 2rem + 6vw, 7rem);

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5.5rem;
  --space-16: 8rem;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --section-py: clamp(4.5rem, 3.5rem + 4vw, 8rem);
  --container-max: 1280px;
  --container-narrow: 860px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.18s;
  --dur-base: 0.32s;
  --dur-slow: 0.6s;

  --z-bg: 0;
  --z-content: 10;
  --z-header: 40;
  --z-spotlight: 45;
  --z-boot: 100;

  /* ---- Colors: base darks ---- */
  --bg-0: #02040a;
  --bg-1: #040711;
  --bg-2: #070b16;
  --bg-3: #0a1020;

  --surface: rgba(255, 255, 255, 0.035);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text-primary: #eef2fb;
  --text-secondary: #94a3bd;
  --text-muted: #7683a3;

  /* Accents */
  --cyan: #22d3ee;
  --cyan-strong: #67e8f9;
  --blue: #3b82f6;
  --blue-strong: #60a5fa;
  --violet: #7c6cf0;

  --accent-grad: linear-gradient(120deg, var(--blue) 0%, var(--cyan) 100%);

  --success: #34d399;
  --success-bg: rgba(52, 211, 153, 0.1);
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.1);

  --glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.35), 0 0 32px -6px rgba(34, 211, 238, 0.55);
  --glow-blue: 0 0 0 1px rgba(59, 130, 246, 0.3), 0 0 40px -8px rgba(59, 130, 246, 0.5);
  --shadow-elevated: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
  --shadow-card: 0 20px 45px -25px rgba(0, 0, 0, 0.6);

  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg-0);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.boot-lock,
body.nav-lock {
  overflow: hidden;
  height: 100vh;
}

h1, h2, h3, h4, p, figure, dl, dd {
  margin: 0;
}

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

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

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

input, textarea {
  font: inherit;
  color: inherit;
}

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

/* ---------- Focus & accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: var(--space-5);
  z-index: 200;
  background: var(--bg-3);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: top var(--dur-base) var(--ease);
}

.skip-link:focus-visible {
  top: var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
  position: relative;
  z-index: var(--z-content);
}

.section {
  padding-block: var(--section-py);
  position: relative;
}

.section-head {
  max-width: 40rem;
  margin-bottom: var(--space-8);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-strong);
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--cyan);
}

.section-head h2 {
  margin-top: var(--space-3);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-head p {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  font-size: var(--text-md);
  max-width: 42ch;
}

/* ---------- Background layer ---------- */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  overflow: hidden;
  background: radial-gradient(ellipse 120% 80% at 50% -10%, var(--bg-3) 0%, var(--bg-1) 45%, var(--bg-0) 100%);
}

#bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.bg-grid {
  position: absolute;
  inset: -20% -10%;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: perspective(900px) rotateX(62deg);
  transform-origin: top center;
  mask-image: linear-gradient(to bottom, black 0%, transparent 62%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 62%);
}

.bg-glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.16;
  pointer-events: none;
}

.bg-glow--cyan {
  top: -10%;
  left: -10%;
  background: var(--cyan);
}

.bg-glow--violet {
  bottom: -20%;
  right: -10%;
  background: var(--violet);
  opacity: 0.12;
}

.noise-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Spotlight cursor ---------- */
.spotlight {
  position: fixed;
  inset: 0;
  z-index: var(--z-spotlight);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
  background: radial-gradient(420px circle at var(--x, 50%) var(--y, 50%), rgba(34, 211, 238, 0.06), transparent 70%);
}

.spotlight.is-active {
  opacity: 1;
}

@media (hover: none), (pointer: coarse) {
  .spotlight {
    display: none;
  }
}

/* ============================================================
   Boot sequence
   ============================================================ */
.boot {
  position: fixed;
  inset: 0;
  z-index: var(--z-boot);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-0);
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}

.boot[hidden] {
  display: none;
}

.boot.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-panel {
  width: min(90vw, 420px);
  font-family: var(--font-mono);
  padding-inline: var(--space-5);
}

.boot-lines {
  min-height: 168px;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.boot-line {
  font-size: var(--text-sm);
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(4px);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.boot-line.is-shown {
  opacity: 1;
  transform: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.boot-line .label {
  color: var(--text-secondary);
}

.boot-line .value {
  color: var(--success);
  letter-spacing: 0.08em;
}

.boot-line.is-init .value {
  color: var(--cyan-strong);
}

.boot-brand {
  margin-top: var(--space-6);
  text-align: center;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.boot-brand.is-shown {
  opacity: 1;
  transform: none;
}

.boot-brand .brand-name {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.boot-brand .brand-name span {
  color: var(--cyan-strong);
}

.boot-brand .brand-sub {
  margin-top: 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.boot-bar {
  margin-top: var(--space-5);
  height: 2px;
  width: 100%;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.boot-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent-grad);
  transition: width 1.5s linear;
}

@media (prefers-reduced-motion: reduce) {
  .boot-line,
  .boot-brand {
    transition: none !important;
  }
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-sm);
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent-grad);
  color: #03131a;
  box-shadow: 0 16px 34px -16px var(--blue);
}

.btn-primary:hover {
  box-shadow: 0 18px 42px -14px var(--cyan);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text-primary);
  border: 1.5px solid var(--border-strong);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan-strong);
  transform: translateY(-2px);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.btn-icon:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.btn-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background-color var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), backdrop-filter var(--dur-base) var(--ease);
}

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg-0) 78%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--font-mono);
}

.brand-name {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

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

.brand-tag {
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--cyan-strong);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-links a {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease);
  padding-block: 0.4rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text-primary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--success);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(52, 211, 153, 0.25);
  background: var(--success-bg);
}

.nav-toggle {
  display: none;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 25%, transparent);
  flex-shrink: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot {
    animation: pulse 2.4s ease-in-out infinite;
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-block: clamp(6rem, 5vw + 4rem, 9rem) var(--space-10);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.hero-copy .eyebrow {
  margin-bottom: var(--space-4);
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text-primary);
}

.hero-title span {
  display: block;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- JOATA name origin: split / join interaction ---------- */
.joata-mark {
  display: inline-flex;
  padding: 0.1em 0.06em;
  margin: -0.1em -0.06em;
  border-radius: var(--radius-sm);
}

.joata-mark .jl {
  display: inline-block;
  transition: transform 0.5s var(--ease), color 0.4s var(--ease);
}

.joata-mark .jl-ta {
  transition-delay: 0.04s;
}

.joata-mark:hover .jl:not(.jl-ta),
.joata-mark:focus-visible .jl:not(.jl-ta),
.joata-mark.is-active .jl:not(.jl-ta) {
  color: var(--cyan-strong);
}

.joata-mark:hover .jl-ta,
.joata-mark:focus-visible .jl-ta,
.joata-mark.is-active .jl-ta {
  color: var(--blue-strong);
  transform: translateX(0.22em);
}

.joata-tip {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  max-height: 0;
  overflow: hidden;
  padding-inline: 1rem;
  margin-top: 0;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: rgba(7, 11, 22, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  opacity: 0;
  pointer-events: none;
  transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease), margin-top 0.4s var(--ease), padding-block 0.4s var(--ease), border-color 0.3s var(--ease);
}

.hero-copy:has(.joata-mark:hover) .joata-tip,
.hero-copy:has(.joata-mark:focus-visible) .joata-tip,
.hero-copy:has(.joata-mark.is-active) .joata-tip {
  max-height: 4rem;
  padding-block: 0.7rem;
  margin-top: 1.1rem;
  opacity: 1;
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}

.joata-tip-part {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.joata-tip-part b {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: normal;
  color: var(--text-primary);
}

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

@media (max-width: 520px) {
  .joata-tip {
    flex-wrap: wrap;
    row-gap: 0.15rem;
  }

  .hero-copy:has(.joata-mark:hover) .joata-tip,
  .hero-copy:has(.joata-mark:focus-visible) .joata-tip,
  .hero-copy:has(.joata-mark.is-active) .joata-tip {
    max-height: 5.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .joata-mark .jl,
  .joata-tip {
    transition: none;
  }
}

.hero-tagline {
  margin-top: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.hero-desc {
  margin-top: var(--space-4);
  font-size: var(--text-md);
  color: var(--text-secondary);
  max-width: 42ch;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.scroll-cue .scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(var(--cyan), transparent);
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-cue .scroll-line {
    animation: scroll-cue 2.2s ease-in-out infinite;
  }
}

@keyframes scroll-cue {
  0% { transform: scaleY(0.3); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0.3); transform-origin: bottom; opacity: 0.4; }
}

/* ---------- Core visual ---------- */
.core-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
}

.core-visual svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.core-wrap {
  will-change: transform;
  transition: transform 0.2s var(--ease-out);
}

.core-ring {
  fill: none;
  stroke: rgba(148, 163, 189, 0.16);
  stroke-width: 1;
}

.core-ring--dash {
  stroke: rgba(34, 211, 238, 0.35);
  stroke-dasharray: 2 10;
}

@media (prefers-reduced-motion: no-preference) {
  .core-ring--spin {
    animation: spin 60s linear infinite;
    transform-origin: center;
  }
  .core-ring--spin-rev {
    animation: spin-rev 48s linear infinite;
    transform-origin: center;
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

.core-center {
  fill: url(#coreGradient);
}

.core-center-glow {
  fill: var(--cyan);
  filter: blur(18px);
  opacity: 0.55;
}

@media (prefers-reduced-motion: no-preference) {
  .core-center-glow {
    animation: core-pulse 3.2s ease-in-out infinite;
  }
}

@keyframes core-pulse {
  0%, 100% { opacity: 0.5; r: 34; }
  50% { opacity: 0.85; r: 42; }
}

.core-link {
  fill: none;
  stroke: rgba(96, 165, 250, 0.25);
  stroke-width: 1;
}

.core-pulse-dot {
  fill: var(--cyan-strong);
  filter: drop-shadow(0 0 4px rgba(34, 211, 238, 0.9));
}

.core-node {
  transition: transform var(--dur-base) var(--ease);
}

.core-node rect {
  fill: rgba(10, 16, 32, 0.72);
  stroke: var(--border-strong);
  stroke-width: 1;
  transition: stroke var(--dur-fast) var(--ease), fill var(--dur-fast) var(--ease);
}

.core-node text {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  fill: var(--text-secondary);
  text-anchor: middle;
  dominant-baseline: middle;
}

.core-node:hover rect,
.core-node:focus-visible rect {
  stroke: var(--cyan);
  fill: rgba(34, 211, 238, 0.1);
}

.core-node:hover text {
  fill: var(--text-primary);
}

@media (prefers-reduced-motion: reduce) {
  .core-ring--spin,
  .core-ring--spin-rev,
  .core-center-glow,
  .core-pulse-dot {
    animation: none !important;
  }
}

/* ============================================================
   Status grid (mission control)
   ============================================================ */
.status-section {
  border-top: 1px solid var(--border);
}

.status-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.status-panel-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.status-panel-note {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.status-card {
  background: rgba(7, 11, 22, 0.75);
  backdrop-filter: blur(10px);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background-color var(--dur-base) var(--ease);
}

.status-card:hover {
  background: rgba(34, 211, 238, 0.045);
}

.status-card-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.status-card-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.04em;
}

.status-card-value.is-neutral {
  color: var(--cyan-strong);
}

/* ============================================================
   Terminal
   ============================================================ */
.terminal-section {
  border-top: 1px solid var(--border);
}

.terminal-layout {
  display: grid;
  gap: var(--space-8);
}

.terminal-window {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: rgba(4, 7, 17, 0.82);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-elevated);
  overflow: hidden;
  max-width: var(--container-narrow);
}

.terminal-chrome {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.8rem var(--space-5);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-inline: auto;
}

.terminal-body {
  padding: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.85;
  min-height: 280px;
  color: var(--text-secondary);
}

.terminal-body .t-prompt {
  color: var(--cyan-strong);
}

.terminal-body .t-ok {
  color: var(--success);
}

.terminal-body .t-line {
  white-space: pre-wrap;
}

.terminal-cursor {
  display: inline-block;
  width: 7px;
  height: 1rem;
  background: var(--cyan-strong);
  vertical-align: text-bottom;
  margin-left: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .terminal-cursor {
    animation: blink 1s step-end infinite;
  }
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ============================================================
   Ecosystem diagram
   ============================================================ */
.ecosystem-section {
  border-top: 1px solid var(--border);
}

.ecosystem-diagram {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 40%);
  padding: clamp(1.5rem, 3vw, 3rem);
}

.ecosystem-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.eco-node rect {
  fill: rgba(10, 16, 32, 0.85);
  stroke: var(--border-strong);
  stroke-width: 1;
  transition: stroke var(--dur-fast) var(--ease);
}

.eco-node.is-main rect {
  stroke: rgba(96, 165, 250, 0.4);
}

.eco-node.is-side rect {
  fill: rgba(10, 16, 32, 0.6);
  stroke: rgba(148, 163, 189, 0.18);
  stroke-dasharray: 3 4;
}

.eco-node text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-anchor: middle;
  dominant-baseline: middle;
  fill: var(--text-secondary);
}

.eco-node.is-main text {
  fill: var(--text-primary);
  font-weight: 600;
}

.eco-node:hover rect {
  stroke: var(--cyan);
}

.eco-link {
  fill: none;
  stroke: rgba(96, 165, 250, 0.28);
  stroke-width: 1.25;
}

.eco-link--side {
  stroke-dasharray: 2 5;
  stroke: rgba(148, 163, 189, 0.22);
}

.eco-pulse {
  fill: var(--cyan-strong);
  filter: drop-shadow(0 0 4px rgba(34, 211, 238, 0.85));
}

.eco-svg-wrap {
  display: block;
}

.eco-mobile-flow,
.eco-mobile-tags {
  display: none;
}

/* ---------- Reduced motion: hide traveling pulses, SMIL is paused via JS too ---------- */
.reduced-motion .core-pulse-dot,
.reduced-motion .eco-pulse {
  display: none;
}

.reduced-motion .eco-link--side {
  animation: none !important;
}

/* ============================================================
   Bento / stack grid
   ============================================================ */
.bento-section {
  border-top: 1px solid var(--border);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(160px, auto);
  gap: 1.1rem;
}

.bento-card {
  --mx: 50%;
  --my: 50%;
  position: relative;
  grid-column: span 2;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(10px);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(220px circle at var(--mx) var(--my), rgba(34, 211, 238, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
  pointer-events: none;
}

.bento-card:hover,
.bento-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-card--wide {
  grid-column: span 2;
}

.bento-card--tall {
  grid-row: span 2;
}

.bento-card--feature {
  grid-column: span 4;
}

@media (min-width: 769px) {
  .bento-card--single {
    grid-column: span 1;
  }
}

.bento-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 211, 238, 0.1);
  color: var(--cyan-strong);
  flex-shrink: 0;
}

.bento-icon svg {
  width: 1.4rem;
  height: 1.4rem;
}

.bento-card h3 {
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.bento-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}

.bento-card .bento-tag {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   Capabilities
   ============================================================ */
.capabilities-section {
  border-top: 1px solid var(--border);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.capability-card {
  padding: var(--space-6) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01));
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease);
}

.capability-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--cyan) 30%, var(--border));
}

.capability-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.capability-card h3 {
  margin-top: var(--space-3);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.capability-card p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   Team
   ============================================================ */
.team-section {
  padding-block: var(--space-8);
  border-top: 1px solid var(--border);
}

.team-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  text-align: center;
}

.team-member {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.team-member strong {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: normal;
  margin-bottom: 0.15rem;
}

.team-divider {
  width: 1px;
  height: 28px;
  background: var(--border-strong);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-8) var(--space-6);
  position: relative;
  z-index: var(--z-content);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-6);
}

.footer-brand .brand-name {
  font-size: var(--text-md);
}

.footer-tagline {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.footer-people {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.footer-nav .footer-people a {
  transition: color var(--dur-fast) var(--ease);
}

.footer-nav .footer-people a:hover,
.footer-nav .footer-people a:focus-visible {
  color: var(--cyan-strong);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--success);
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(4px);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease), filter 0.8s var(--ease);
  }
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .core-visual {
    max-width: 420px;
    order: -1;
  }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 860px) {
  .status-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-card--feature {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  :root {
    --section-py: 4rem;
  }

  .nav-links {
    position: fixed;
    inset: 4.5rem 0 0 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    background: rgba(2, 4, 10, 0.98);
    backdrop-filter: blur(20px);
    padding: 0.5rem 1.5rem 4rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 1.1rem 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-status {
    display: none;
  }

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

  .hero {
    min-height: auto;
    padding-block: 7rem var(--space-8);
  }

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

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

  .bento-card,
  .bento-card--wide,
  .bento-card--feature {
    grid-column: span 1;
  }

  .terminal-body {
    font-size: 0.76rem;
    padding: var(--space-5);
    min-height: 220px;
  }

  .team-inner {
    flex-direction: column;
    gap: var(--space-4);
  }

  .team-divider {
    display: none;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .status-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .eco-svg-wrap {
    display: none;
  }

  .eco-svg-summary {
    display: none;
  }

  .eco-mobile-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 1.6rem;
  }

  .eco-mobile-flow::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background: linear-gradient(var(--cyan), var(--border) 90%);
  }

  .eco-mobile-flow li {
    position: relative;
    padding-block: 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    font-weight: 600;
  }

  .eco-mobile-flow li::before {
    content: '';
    position: absolute;
    left: -1.6rem;
    top: 50%;
    transform: translateY(-50%);
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--bg-1);
    border: 2px solid var(--cyan);
  }

  .eco-mobile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px dashed var(--border);
  }

  .eco-mobile-tags li {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-pill);
    border: 1px dashed var(--border-strong);
  }
}