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

:root {
  --bg: #0b0f17;
  --bg-soft: #111827;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #22d3ee;
  --primary-glow: rgba(34, 211, 238, 0.35);
  --secondary: #818cf8;
  --accent: #34d399;
  --border: rgba(255, 255, 255, 0.1);
  --radius: 16px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --max-width: 1200px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(92%, var(--max-width));
  margin-inline: auto;
}

/* ─── Intro Overlay ─── */
.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(34, 211, 238, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(129, 140, 248, 0.08) 0%, transparent 45%),
    var(--bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.intro-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.intro-overlay[aria-hidden="true"] {
  display: none;
}

.intro-overlay.active[aria-hidden="false"] {
  display: flex;
}

.intro-skip {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 10;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.intro-skip:hover,
.intro-skip:focus {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.intro-stage {
  position: relative;
  width: min(92%, 900px);
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius);
  background: radial-gradient(circle at center, rgba(255,255,255,0.03) 0%, transparent 70%);
}

.intro-progress {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  margin-bottom: 2rem;
}

.intro-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.intro-dot.active {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.25);
  box-shadow: 0 0 16px var(--primary-glow);
}

.intro-scene {
  display: none;
  opacity: 0;
  transform: scale(0.97) translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.intro-scene.active {
  display: block;
  opacity: 1;
  transform: scale(1) translateY(0);
}

.scene-visual {
  margin: 0 auto 1.5rem;
  max-width: 600px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.35));
}

.scene-svg {
  width: 100%;
  height: auto;
  max-height: 44vh;
}

.scene-caption {
  font-size: clamp(1.3rem, 3.2vw, 2rem);
  font-weight: 600;
  color: var(--text);
  max-width: 640px;
  margin: 0 auto 1.5rem;
  line-height: 1.4;
  min-height: 3.2em;
  text-shadow: 0 2px 24px rgba(11, 15, 23, 0.8);
}

.intro-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  opacity: 0.7;
  margin-top: 0.5rem;
}

.intro-enter {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 0.6s ease forwards 0.4s;
}

/* Intro scene animations */
.intro-scene.active .wave {
  animation: waveMove 4s ease-in-out infinite;
}

.intro-scene.active .wave-2 {
  animation: waveMove 5s ease-in-out infinite reverse;
}

.intro-scene.active .data-flood > * {
  animation: dataFloat 4s ease-in-out infinite;
}

.intro-scene.active .data-flood > *:nth-child(2) { animation-delay: 0.3s; }
.intro-scene.active .data-flood > *:nth-child(3) { animation-delay: 0.6s; }
.intro-scene.active .data-flood > *:nth-child(4) { animation-delay: 0.9s; }
.intro-scene.active .data-flood > *:nth-child(5) { animation-delay: 1.2s; }
.intro-scene.active .data-flood > *:nth-child(6) { animation-delay: 0.4s; }
.intro-scene.active .data-flood > *:nth-child(7) { animation-delay: 0.7s; }
.intro-scene.active .data-flood > *:nth-child(8) { animation-delay: 1s; }

.intro-scene.active .owner-desk {
  animation: deskSink 3s ease-in-out infinite alternate;
}

.intro-scene.active .ai-helper {
  animation: aiDropIn 0.8s ease-out forwards;
}

.intro-scene.active .task-check {
  animation: checkPop 0.5s ease-out forwards;
}

.intro-scene.active .task-check:nth-of-type(2),
.intro-scene.active .task-check:nth-of-type(3) { animation-delay: 0.3s; }
.intro-scene.active .task-check:nth-of-type(4),
.intro-scene.active .task-check:nth-of-type(5) { animation-delay: 0.6s; }
.intro-scene.active .task-check:nth-of-type(6),
.intro-scene.active .task-check:nth-of-type(7) { animation-delay: 0.9s; }

.intro-scene.active .fading-task {
  animation: fadeAway 1s ease-in-out forwards 0.5s;
}

.intro-scene.active .dashboard > rect {
  animation: panelBuild 0.7s ease-out forwards;
  opacity: 0;
}

.intro-scene.active .dashboard > rect:nth-child(1) { animation-delay: 0.1s; }
.intro-scene.active .dashboard > rect:nth-child(2) { animation-delay: 0.3s; }
.intro-scene.active .dashboard > rect:nth-child(3) { animation-delay: 0.5s; }

.intro-scene.active .insight-sparkle {
  animation: sparkle 2s ease-in-out infinite;
}

.intro-scene.active .trend-line {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: drawLine 1.5s ease-out forwards;
}

.intro-scene.active .coins {
  animation: coinFloat 3s ease-in-out infinite;
}

.intro-scene.active .owner-confident {
  animation: confidentStand 3s ease-in-out infinite;
}

.intro-scene.active .ai-buddy {
  animation: buddyBob 3s ease-in-out infinite;
}

.intro-scene.active .success-symbols {
  animation: successPulse 2.5s ease-in-out infinite;
}

@keyframes waveMove {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-20px); }
}

@keyframes dataFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(5px, -8px) rotate(2deg); }
  66% { transform: translate(-4px, 5px) rotate(-2deg); }
}

@keyframes deskSink {
  0% { transform: translateY(0); }
  100% { transform: translateY(6px); }
}

@keyframes aiDropIn {
  from { opacity: 0; transform: translateY(-40px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes checkPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeAway {
  to { opacity: 0; transform: translateY(-20px) scale(0.9); }
}

@keyframes panelBuild {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sparkle {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

@keyframes coinFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes confidentStand {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes buddyBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes successPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.footer-replay {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.footer-replay:hover,
.footer-replay:focus {
  background: rgba(34, 211, 238, 0.2);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(34, 211, 238, 0.2);
}

@media (max-width: 768px) {
  .intro-stage {
    width: min(94%, 900px);
  }

  .scene-svg {
    max-height: 34vh;
  }

  .scene-caption {
    min-height: 4.5em;
  }

  .intro-skip {
    top: 0.75rem;
    right: 0.75rem;
  }
}

/* ─── Header ─── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(11, 15, 23, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  width: min(92%, var(--max-width));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg);
  font-size: 1rem;
  box-shadow: 0 0 18px var(--primary-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: 1px solid transparent;
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #0b0f17;
  box-shadow: 0 8px 28px var(--primary-glow);
}

.btn-primary:hover,
.btn-primary:focus {
  box-shadow: 0 12px 36px rgba(34, 211, 238, 0.45);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-small {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 8rem 0 5rem;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  place-items: center;
  padding: 6rem 1rem 2rem;
  opacity: 0.35;
  pointer-events: none;
}

.hero-particles .ai-orb,
.hero-particles .beam-rays line,
.hero-particles .data-chaos > *,
.hero-particles .data-saved,
.hero-particles .owner {
  animation: none !important;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(34, 211, 238, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(129, 140, 248, 0.1) 0%, transparent 45%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(92%, var(--max-width));
  margin-inline: auto;
  text-align: center;
  text-shadow: 0 2px 24px rgba(11, 15, 23, 0.85), 0 1px 6px rgba(11, 15, 23, 0.6);
}

.hero-title,
.hero-badge,
.hero-cta .btn,
.hero-rescue-note,
.hero-stats {
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.9s ease forwards 0.4s;
}

.title-line.accent {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation-delay: 0.6s;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: #e5e7eb;
  max-width: 760px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  animation: fadeIn 1s ease forwards 0.9s;
  text-shadow: 0 2px 20px rgba(11, 15, 23, 0.9), 0 1px 4px rgba(11, 15, 23, 0.7);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.1s;
}

.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.3s;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-number,
.stat-suffix {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--text-muted));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Rescue scene (hero background) ─── */
.hero-particles .rescue-scene {
  width: 100%;
  height: 100%;
  max-width: 760px;
  margin-inline: auto;
  display: block;
  object-fit: contain;
}

.hero-rescue-note {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.2s;
}

.ai-orb {
  animation: hover 4s ease-in-out infinite;
}

.ai-orb circle:nth-child(2) {
  animation: pulse 2.5s ease-in-out infinite;
}

.beam-rays line {
  stroke-dasharray: 60;
  stroke-dashoffset: 60;
  animation: beam 2.5s ease-in-out infinite;
}

.beam-rays line:nth-child(2) { animation-delay: 0.2s; }
.beam-rays line:nth-child(3) { animation-delay: 0.4s; }

.data-chaos > * {
  animation: drift 5s ease-in-out infinite;
}

.data-chaos > *:nth-child(2) { animation-delay: 0.5s; }
.data-chaos > *:nth-child(3) { animation-delay: 1s; }
.data-chaos > *:nth-child(4) { animation-delay: 1.5s; }
.data-chaos > *:nth-child(5) { animation-delay: 0.3s; }
.data-chaos > *:nth-child(6) { animation-delay: 0.8s; }
.data-chaos > *:nth-child(7) { animation-delay: 1.2s; }

.data-saved {
  animation: settle 4s ease-in-out infinite;
}

.owner {
  animation: breathe 4s ease-in-out infinite;
}

@keyframes hover {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes beam {
  0% { stroke-dashoffset: 60; opacity: 0; }
  40% { opacity: 1; }
  80% { stroke-dashoffset: 0; opacity: 0; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(4px, -6px) rotate(1deg); }
  50% { transform: translate(-3px, 4px) rotate(-1deg); }
  75% { transform: translate(2px, 3px) rotate(0.5deg); }
}

@keyframes settle {
  0%, 100% { transform: translateY(0); opacity: 0.9; }
  50% { transform: translateY(-6px); opacity: 1; }
}

@keyframes breathe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(2px); }
}

@media (max-width: 768px) {
  .hero-particles .rescue-scene {
    max-width: 100%;
    opacity: 0.55;
  }

  .hero-rescue-note {
    font-size: 0.9rem;
  }
}

/* ─── Sections ─── */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-alt {
  background: var(--bg-soft);
}

.section-header {
  max-width: 720px;
  margin: 0 auto 3.5rem;
  text-align: center;
}

.section-tag {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ─── Benefits ─── */
.benefit-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.benefit-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease, background var(--transition), border-color var(--transition);
}

.benefit-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 211, 238, 0.25);
  transform: translateY(-6px);
}

.benefit-card:nth-child(1).visible { transition-delay: 0.1s; }
.benefit-card:nth-child(2).visible { transition-delay: 0.2s; }
.benefit-card:nth-child(3).visible { transition-delay: 0.3s; }

.benefit-icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.1);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.benefit-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.benefit-card p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.benefit-card ul li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.benefit-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ─── Examples ─── */
.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.example-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  opacity: 0;
  transform: translateY(25px);
}

.example-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, background var(--transition), border-color var(--transition);
}

.example-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(129, 140, 248, 0.3);
  transform: translateY(-4px);
}

.example-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.example-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ─── Why Us ─── */
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.why-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  margin: 0.75rem 0 1rem;
}

.why-content > p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.why-features {
  display: grid;
  gap: 1.25rem;
}

.why-feature {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: background var(--transition), border-color var(--transition);
}

.why-feature:hover {
  background: var(--bg-card-hover);
  border-color: rgba(52, 211, 153, 0.25);
}

.why-feature strong {
  font-weight: 600;
  color: var(--text);
}

.why-feature span {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Orbit visual */
.why-visual {
  display: grid;
  place-items: center;
  min-height: 360px;
}

.orbit {
  position: relative;
  width: 320px;
  height: 320px;
}

.orbit-center {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg);
  box-shadow: 0 0 40px var(--primary-glow);
  z-index: 2;
}

.orbit-ring {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid var(--border);
  border-radius: 50%;
}

.ring-1 { width: 160px; height: 160px; animation: spin 8s linear infinite; }
.ring-2 { width: 230px; height: 230px; animation: spin 14s linear infinite reverse; }
.ring-3 { width: 300px; height: 300px; animation: spin 20s linear infinite; }

.orbit-ring::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
}

.ring-1::after { top: -5px; left: 50%; transform: translateX(-50%); }
.ring-2::after { bottom: -5px; left: 50%; transform: translateX(-50%); background: var(--secondary); box-shadow: 0 0 12px var(--secondary); }
.ring-3::after { top: 50%; right: -5px; transform: translateY(-50%); background: var(--accent); box-shadow: 0 0 12px var(--accent); }

/* ─── Contact ─── */
.contact-card {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  padding: 4rem 2rem;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(129, 140, 248, 0.08));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.contact-card h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
}

.contact-card p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-note {
  margin-top: 1.5rem !important;
  margin-bottom: 0 !important;
  font-size: 0.9rem !important;
}

/* ─── Footer ─── */
.site-footer {
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr 1fr;
  align-items: start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition);
}

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

.footer-lang {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.lang-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lang-toggle {
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg);
}

.lang-btn:hover:not(.active) {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ─── Scroll reveal utility ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .why-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .why-visual {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .footer-lang {
    align-items: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    inset: 65px 1rem auto 1rem;
    flex-direction: column;
    gap: 0;
    background: rgba(11, 15, 23, 0.96);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem;
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

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

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-stats {
    gap: 2rem;
  }

  .benefit-cards,
  .example-grid {
    grid-template-columns: 1fr;
  }

  .orbit {
    transform: scale(0.85);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}