/* ==============================================================================
   WorldsNeed — Official Landing Page Stylesheet
   Modern, Ultra-Premium Dark Theme with Glassmorphism and Micro-Animations
   ============================================================================== */

:root {
  --bg-primary: #070c18;
  --bg-secondary: #0b1426;
  --bg-card: rgba(15, 25, 45, 0.72);
  --bg-card-hover: rgba(20, 34, 62, 0.88);
  --border-card: rgba(140, 185, 255, 0.12);
  --border-card-hover: rgba(0, 242, 254, 0.38);

  --text-main: #f3f6fc;
  --text-muted: #94a5c0;
  --text-dim: #64758f;

  --accent-cyan: #00f2fe;
  --accent-cyan-rgb: 0, 242, 254;
  --accent-blue: #4facfe;
  --accent-violet: #8b5cf6;
  --accent-violet-rgb: 139, 92, 246;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-pink: #ec4899;

  --font-main: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Manrope", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container-max: 1240px;
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-main);
}

/* Subtle Grid Texture Overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: 
    radial-gradient(rgba(140, 185, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 50% 20%, black 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, black 40%, transparent 85%);
  z-index: -1;
}

/* Ambient Colorful Backlight Glows */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.18;
  z-index: -2;
  transition: opacity 0.5s ease;
}

.ambient-cyan {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #00f2fe, #4facfe);
  top: 50px;
  right: -120px;
}

.ambient-violet {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8b5cf6, #ec4899);
  top: 850px;
  left: -200px;
}

.ambient-emerald {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #10b981, #00f2fe);
  bottom: 300px;
  right: -150px;
}

.ambient-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.5;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.container {
  width: min(var(--container-max), calc(100% - 48px));
  margin-inline: auto;
}

.section-wrap {
  padding: 120px 0;
  position: relative;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 84px;
  z-index: 100;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(7, 12, 24, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(140, 185, 255, 0.12);
}

.header-inner {
  width: min(var(--container-max), calc(100% - 48px));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.6px;
}

.brand-glyph {
  width: 28px;
  height: 28px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  transform: rotate(-10deg);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand:hover .brand-glyph {
  transform: rotate(10deg) scale(1.08);
}

.glyph-dot {
  display: block;
  border-radius: 4px;
}

.dot-1 {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
}
.dot-2 {
  background: var(--accent-blue);
  opacity: 0.75;
}
.dot-3 {
  background: var(--accent-violet);
  opacity: 0.6;
}
.dot-4 {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-pink));
}

.brand-accent {
  color: var(--accent-cyan);
}

.badge-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
  margin-left: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-item:hover,
.nav-item.active {
  color: var(--text-main);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(140, 185, 255, 0.24);
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.nav-cta-btn:hover {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.arrow-icon {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.nav-cta-btn:hover .arrow-icon,
.card-launch-btn:hover .arrow-icon {
  transform: translate(2px, -2px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(140, 185, 255, 0.2);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  margin: 4px 0;
  transition: transform 0.2s;
}

/* ==============================================================================
   Hero Section
   ============================================================================== */
.hero-section {
  padding-top: 170px;
  padding-bottom: 90px;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: 50px;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px;
  border-radius: 30px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.22);
  margin-bottom: 24px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan);
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.6); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(0, 242, 254, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

.pill-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.2px;
  font-weight: 700;
  color: var(--accent-cyan);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(46px, 5.4vw, 76px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -2.2px;
  margin-bottom: 24px;
}

.gradient-headline {
  background: linear-gradient(110deg, #a5f3fc 0%, #38bdf8 45%, #c084fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-action-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #04101e;
  font-size: 14px;
  font-weight: 800;
  padding: 14px 24px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.28);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 38px rgba(0, 242, 254, 0.42);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(140, 185, 255, 0.2);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 700;
  padding: 14px 22px;
  border-radius: 10px;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(140, 185, 255, 0.45);
  transform: translateY(-2px);
}

.btn-icon {
  width: 16px;
  height: 16px;
}

.hero-metrics-strip {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(140, 185, 255, 0.12);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.8px;
}

.metric-lbl {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
}

.metric-sep {
  width: 1px;
  height: 36px;
  background: rgba(140, 185, 255, 0.14);
}

/* ==============================================================================
   Hero Visual / Orbital System Concept
   ============================================================================== */
.hero-visual {
  height: 520px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-system {
  width: 480px;
  height: 480px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbital-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(140, 185, 255, 0.12);
  pointer-events: none;
}

.ring-outer {
  width: 460px;
  height: 460px;
  border-style: dashed;
  border-color: rgba(139, 92, 246, 0.16);
  animation: rotate-slow 60s linear infinite;
}

.ring-middle {
  width: 360px;
  height: 360px;
  border-color: rgba(0, 242, 254, 0.18);
  animation: rotate-slow 40s linear infinite reverse;
}

.ring-inner {
  width: 260px;
  height: 260px;
  border-color: rgba(140, 185, 255, 0.22);
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.core-hub-card {
  width: 136px;
  height: 136px;
  border-radius: 34px;
  background: linear-gradient(145deg, #16243d, #0b1324);
  border: 1px solid rgba(0, 242, 254, 0.38);
  box-shadow: 
    0 0 50px rgba(0, 242, 254, 0.24),
    inset 0 0 25px rgba(0, 242, 254, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 5;
}

.core-halo {
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-cyan), transparent);
  filter: blur(28px);
  opacity: 0.6;
}

.core-symbol {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff, #00f2fe 70%, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  z-index: 2;
}

.core-label {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  margin-top: 4px;
}

.satellite-node {
  position: absolute;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(15, 26, 48, 0.88);
  border: 1px solid rgba(140, 185, 255, 0.22);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 6;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.3s;
}

.satellite-node:hover {
  transform: scale(1.08) translateY(-4px);
  border-color: var(--accent-cyan);
}

.satellite-node .node-icon {
  font-size: 20px;
}

.satellite-node .node-details {
  display: flex;
  flex-direction: column;
}

.satellite-node strong {
  font-size: 13px;
  color: var(--text-main);
}

.satellite-node span {
  font-size: 10px;
  color: var(--text-dim);
}

.node-tools {
  top: 35px;
  left: 20px;
  border-color: rgba(0, 242, 254, 0.4);
}

.node-words {
  top: 70px;
  right: 15px;
  border-color: rgba(139, 92, 246, 0.4);
}

.node-game {
  bottom: 50px;
  left: 30px;
  border-color: rgba(236, 72, 153, 0.4);
}

.node-future {
  bottom: 60px;
  right: 25px;
  border-color: rgba(16, 185, 129, 0.4);
}

/* ==============================================================================
   Portfolio Section & Filter Bar
   ============================================================================== */
.section-header-block {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 50px;
}

.section-header-block.center-text {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.kicker-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -1.4px;
}

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

.section-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 640px;
  margin-top: 14px;
}

.filter-tab-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  background: rgba(15, 25, 45, 0.6);
  border: 1px solid rgba(140, 185, 255, 0.14);
  border-radius: 10px;
}

.filter-tab {
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 7px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-tab:hover {
  color: var(--text-main);
}

.filter-tab.active {
  background: rgba(0, 242, 254, 0.15);
  color: var(--accent-cyan);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Project Card */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-card-hover);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45);
}

.card-topline {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(140, 185, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
}

.live-status { color: var(--accent-emerald); }
.dev-status { color: var(--accent-amber); }
.concept-status { color: var(--accent-violet); }

.live-dot, .dev-dot, .concept-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.live-dot { background: var(--accent-emerald); box-shadow: 0 0 8px var(--accent-emerald); }
.dev-dot { background: var(--accent-amber); box-shadow: 0 0 8px var(--accent-amber); }
.concept-dot { background: var(--accent-violet); box-shadow: 0 0 8px var(--accent-violet); }

.card-category {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--text-dim);
}

/* Card Visual Windows */
.card-visual {
  height: 220px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(140, 185, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-tools {
  background: radial-gradient(ellipse at 50% 40%, #1e3355 0%, #101c30 65%, #0a1220 100%);
}

.mock-browser-window {
  width: 86%;
  height: 140px;
  border-radius: 10px;
  background: rgba(11, 20, 36, 0.94);
  border: 1px solid rgba(0, 242, 254, 0.3);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.project-card:hover .mock-browser-window {
  transform: scale(1.03);
}

.mock-header {
  height: 28px;
  background: rgba(19, 33, 58, 0.85);
  border-bottom: 1px solid rgba(140, 185, 255, 0.1);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 12px;
}

.mock-dots {
  display: flex;
  gap: 4px;
}

.mock-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(140, 185, 255, 0.3);
}

.mock-dots span:nth-child(1) { background: #ef4444; }
.mock-dots span:nth-child(2) { background: #f59e0b; }
.mock-dots span:nth-child(3) { background: #10b981; }

.mock-url {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--accent-cyan);
}

.mock-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-chip {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(140, 185, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 6px;
  color: #c7d5e8;
}

.chip-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}
.chip-dot.cyan { background: var(--accent-cyan); }
.chip-dot.purple { background: var(--accent-violet); }
.chip-dot.emerald { background: var(--accent-emerald); }
.chip-dot.amber { background: var(--accent-amber); }

.floating-badge-pill {
  position: absolute;
  bottom: 12px;
  right: 14px;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(7, 12, 24, 0.8);
  border: 1px solid rgba(140, 185, 255, 0.2);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

/* Dictionary Visual */
.visual-dictionary {
  background: radial-gradient(ellipse at 50% 50%, #2a2456 0%, #171838 65%, #0b0d1e 100%);
}

.book-card-display {
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-cover {
  width: 170px;
  height: 125px;
  border-radius: 10px;
  background: linear-gradient(135deg, #1e1b4b, #2e1065);
  border: 1px solid rgba(168, 85, 247, 0.35);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.book-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: #e9d5ff;
}

.word-chips-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.w-chip {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  color: #f3e8ff;
}

/* Game Visual */
.visual-game {
  background: radial-gradient(ellipse at 50% 40%, #3f1545 0%, #200d2b 65%, #0e0514 100%);
}

.game-arcade-display {
  width: 180px;
  height: 125px;
  border-radius: 10px;
  background: #170b24;
  border: 1px solid rgba(236, 72, 153, 0.35);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.synthwave-sun {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(180deg, #ffedd5, #ec4899);
  box-shadow: 0 0 25px #ec4899;
  position: absolute;
  top: 15px;
}

.cyber-bird-avatar {
  font-size: 24px;
  color: #67e8f9;
  text-shadow: 0 0 14px #06b6d4;
  position: absolute;
  transform: rotate(-15deg);
  bottom: 25px;
  left: 35px;
}

/* Learn Visual */
.visual-learn {
  background: radial-gradient(ellipse at 50% 40%, #103328 0%, #0a211a 65%, #061410 100%);
}

.curriculum-tree-mock {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 82%;
}

.tree-node {
  font-size: 10px;
  padding: 5px 9px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #a7f3d0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tree-node.active {
  background: rgba(16, 185, 129, 0.22);
  border-color: #10b981;
}

.tree-node i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--accent-emerald);
}

/* AI Visual */
.visual-ai {
  background: radial-gradient(ellipse at 50% 40%, #2f2048 0%, #1a1229 65%, #0d0815 100%);
}

.ai-prompt-mock {
  width: 85%;
  padding: 12px;
  border-radius: 10px;
  background: rgba(23, 16, 38, 0.9);
  border: 1px solid rgba(139, 92, 246, 0.3);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prompt-bar {
  font-size: 10px;
  color: #e9d5ff;
  background: rgba(255, 255, 255, 0.05);
  padding: 5px 8px;
  border-radius: 5px;
}

.prompt-tags {
  display: flex;
  gap: 4px;
}

.prompt-tags span {
  font-size: 8px;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}

/* Code Visual */
.visual-code {
  background: radial-gradient(ellipse at 50% 40%, #182236 0%, #0d1524 65%, #070c16 100%);
}

.code-terminal-mock {
  width: 85%;
  padding: 12px;
  border-radius: 8px;
  background: #060b13;
  border: 1px solid rgba(140, 185, 255, 0.2);
  font-family: var(--font-mono);
  font-size: 9px;
  color: #38bdf8;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Card Content Details */
.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-index-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.card-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.card-badge-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.8px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.spec-tag {
  font-size: 10.5px;
  padding: 4px 8px;
  border-radius: 5px;
  background: rgba(140, 185, 255, 0.05);
  border: 1px solid rgba(140, 185, 255, 0.12);
  color: #b7c7df;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(140, 185, 255, 0.08);
}

.card-launch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  transition: var(--transition-smooth);
}

.card-launch-btn:hover {
  background: var(--accent-cyan);
  color: #04101e;
}

.card-alt-link {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
}

.card-alt-link:hover {
  color: var(--text-main);
}

.badge-upcoming-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==============================================================================
   Ecosystem Architecture Banner
   ============================================================================== */
.ecosystem-banner {
  background: linear-gradient(145deg, rgba(16, 27, 50, 0.8), rgba(9, 16, 30, 0.9));
  border: 1px solid rgba(140, 185, 255, 0.16);
  border-radius: 24px;
  padding: 60px;
  position: relative;
  overflow: hidden;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
}

.eco-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -1.2px;
  margin-bottom: 16px;
}

.eco-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 30px;
  max-width: 520px;
}

.subdomain-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.subdomain-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(7, 12, 24, 0.6);
  border: 1px solid rgba(140, 185, 255, 0.1);
}

.sd-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
}

.cyan-badge { background: rgba(0, 242, 254, 0.15); color: var(--accent-cyan); }
.purple-badge { background: rgba(139, 92, 246, 0.18); color: var(--accent-violet); }
.amber-badge { background: rgba(245, 158, 11, 0.18); color: var(--accent-amber); }

.sd-url {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.sd-role {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-dim);
}

/* Radar Visual */
.eco-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 320px;
}

.dns-radar-card {
  width: 280px;
  height: 280px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 242, 254, 0.16);
}

.rc-1 { width: 260px; height: 260px; border-style: dashed; }
.rc-2 { width: 190px; height: 190px; border-color: rgba(139, 92, 246, 0.2); }
.rc-3 { width: 120px; height: 120px; border-color: rgba(0, 242, 254, 0.28); }

.radar-center {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, #1a2f4c, #0a1324);
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
  z-index: 2;
}

.radar-center strong {
  font-family: var(--font-display);
  font-size: 12px;
  color: #fff;
}

.radar-center span {
  font-size: 8px;
  color: var(--accent-cyan);
  margin-top: 2px;
}

/* ==============================================================================
   Core Values Section
   ============================================================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 32px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: rgba(140, 185, 255, 0.3);
}

.val-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  display: grid;
  place-items: center;
  font-size: 22px;
  margin-bottom: 22px;
}

.val-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-bottom: 12px;
}

.val-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ==============================================================================
   Roadmap & Timeline
   ============================================================================== */
.timeline-wrapper {
  max-width: 780px;
  margin: 50px auto 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.timeline-wrapper::before {
  content: "";
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 17px;
  width: 2px;
  background: rgba(140, 185, 255, 0.14);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  position: relative;
}

.timeline-marker {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
  z-index: 2;
  background: #0b1426;
  border: 2px solid rgba(140, 185, 255, 0.2);
  color: var(--text-dim);
}

.timeline-item.completed .timeline-marker {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.timeline-item.active .timeline-marker {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.2);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
}

.timeline-content {
  padding: 22px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 14px;
  flex-grow: 1;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 6px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ==============================================================================
   Closing CTA Section
   ============================================================================== */
.cta-section {
  padding-bottom: 100px;
}

.cta-card {
  background: radial-gradient(ellipse at 50% 0%, #1e3355 0%, #0d172b 75%);
  border: 1px solid rgba(0, 242, 254, 0.28);
  border-radius: 28px;
  padding: 80px 40px;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.cta-ornament {
  font-size: 28px;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -1.2px;
  max-width: 720px;
  margin: 0 auto 16px;
}

.cta-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

.cta-btn-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==============================================================================
   Footer
   ============================================================================== */
.site-footer {
  border-top: 1px solid rgba(140, 185, 255, 0.12);
  background: #050912;
  padding: 70px 0 35px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-tagline {
  font-size: 13.5px;
  color: var(--text-dim);
  max-width: 320px;
  margin-top: 16px;
  line-height: 1.7;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.footer-link {
  font-size: 13px;
  color: var(--text-muted);
}

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

.footer-note {
  font-size: 12px;
  color: var(--accent-emerald);
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(140, 185, 255, 0.08);
}

.copyright {
  font-size: 12px;
  color: var(--text-dim);
}

.footer-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--accent-emerald);
  font-weight: 600;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

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

  .hero-description {
    margin-inline: auto;
  }

  .hero-action-group {
    justify-content: center;
  }

  .hero-metrics-strip {
    justify-content: center;
  }

  .hero-visual {
    height: 420px;
  }

  .orbit-system {
    transform: scale(0.9);
  }

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

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

  .ecosystem-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .eco-desc {
    margin-inline: auto;
  }

  .subdomain-row {
    text-align: left;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 72px;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(9, 15, 29, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(140, 185, 255, 0.15);
    padding: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-item {
    padding: 10px 0;
    border-bottom: 1px solid rgba(140, 185, 255, 0.08);
  }

  .nav-cta-btn {
    text-align: center;
    justify-content: center;
  }

  .section-header-block {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-tab-bar {
    width: 100%;
    justify-content: space-between;
  }

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

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

  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .ecosystem-banner {
    padding: 30px 20px;
  }

  .cta-card {
    padding: 50px 20px;
  }
}