/* ============================================
   Feather AI — Global Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #06060f;
  --bg-secondary: #0c0c1d;
  --bg-card: rgba(14, 14, 35, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.06);
  --text-primary: #f0f0f8;
  --text-secondary: #8888aa;
  --text-muted: #555577;
  --accent-cyan: #00f0ff;
  --accent-purple: #7b2ff7;
  --accent-blue: #3366ff;
  --accent-pink: #ff2d95;
  --accent-green: #00ff88;
  --gradient-main: linear-gradient(135deg, #00f0ff, #7b2ff7);
  --gradient-warm: linear-gradient(135deg, #ff2d95, #ff8800);
  --gradient-pet: linear-gradient(135deg, #00ff88, #00f0ff);
  --font-main: 'Inter', 'Noto Sans SC', 'Noto Sans JP', -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 60px rgba(0, 240, 255, 0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Utility --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); cursor: pointer;
  border: none; font-family: var(--font-main);
}
.btn-primary {
  background: var(--gradient-main); color: #fff;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-ghost:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-pet {
  background: var(--gradient-pet);
  box-shadow: 0 4px 20px rgba(0, 255, 136, 0.25);
}
.btn-pet:hover {
  box-shadow: 0 6px 30px rgba(0, 255, 136, 0.4);
}

/* --- Cursor Glow --- */
#cursor-glow {
  position: fixed; width: 400px; height: 400px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(0,240,255,0.04) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: left 0.3s ease-out, top 0.3s ease-out;
}

/* --- Navigation --- */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(6, 6, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 10px 0;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.2rem;
}
.logo-icon { width: 36px; height: 36px; }
.logo-text { letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--gradient-main);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 16px; }

/* Language Switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 0.85rem;
  cursor: pointer; transition: var(--transition); font-family: var(--font-main);
}
.lang-btn:hover { border-color: var(--accent-cyan); color: var(--text-primary); }
.lang-flag { font-size: 1rem; }
.lang-arrow { width: 12px; height: 12px; transition: var(--transition); }
.lang-switcher.open .lang-arrow { transform: rotate(180deg); }
.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: rgba(14, 14, 35, 0.95); backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-sm);
  padding: 6px; min-width: 180px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: var(--transition);
}
.lang-switcher.open .lang-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-dropdown button {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: 10px 14px; border: none; background: transparent;
  color: var(--text-secondary); font-size: 0.85rem; border-radius: 6px;
  cursor: pointer; transition: var(--transition); font-family: var(--font-main);
}
.lang-dropdown button:hover { background: var(--bg-glass); color: var(--text-primary); }
.lang-dropdown button.active { color: var(--accent-cyan); }

/* Mobile Toggle */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-secondary); border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(6, 6, 15, 0.97); backdrop-filter: blur(20px);
  z-index: 999; flex-direction: column; align-items: center;
  justify-content: center; gap: 32px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.5rem; font-weight: 600; color: var(--text-secondary);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--accent-cyan); }

/* --- Hero Section --- */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#heroCanvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0;
}
.hero-content {
  position: relative; z-index: 1; text-align: center;
  padding: 0 24px; max-width: 800px;
}
.hero-badge {
  display: inline-block; padding: 8px 20px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  border-radius: 100px; font-size: 0.85rem; font-weight: 500;
  color: var(--accent-cyan); margin-bottom: 32px;
  animation: fadeInUp 0.8s ease-out;
}
#hero h1 {
  font-family: var(--font-display); font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-line {
  display: block;
  animation: fadeInUp 0.8s ease-out;
}
.hero-line:nth-child(2) { animation-delay: 0.15s; }
.hero-sub {
  font-size: 1.15rem; color: var(--text-secondary);
  max-width: 560px; margin: 0 auto 40px; line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}
.hero-cta {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.45s both;
}
.scroll-indicator {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%); z-index: 1;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* --- Section Common --- */
section { padding: 120px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block; padding: 6px 16px;
  background: var(--bg-glass); border: 1px solid var(--border-glass);
  border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  color: var(--accent-cyan); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 20px;
}
.section-header h2 {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800; line-height: 1.2; letter-spacing: -1px;
}
.section-desc {
  color: var(--text-secondary); max-width: 600px;
  margin: 16px auto 0; font-size: 1.05rem; line-height: 1.8;
}

/* --- About Section --- */
#about { background: var(--bg-secondary); }
.about-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-bottom: 64px;
}
.about-card {
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg); padding: 40px 32px;
  transition: var(--transition);
}
.about-card:hover {
  border-color: rgba(0, 240, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.about-icon { width: 48px; height: 48px; margin-bottom: 20px; }
.about-icon svg { width: 100%; height: 100%; }
.about-card h3 {
  font-family: var(--font-display); font-size: 1.2rem;
  font-weight: 700; margin-bottom: 12px;
}
.about-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; padding: 48px;
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
}
.stat { text-align: center; }
.stat-num {
  font-family: var(--font-display); font-size: 2.8rem;
  font-weight: 800; background: var(--gradient-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-suffix {
  font-family: var(--font-display); font-size: 1.5rem;
  font-weight: 700; color: var(--accent-cyan);
}
.stat-label {
  display: block; color: var(--text-secondary);
  font-size: 0.85rem; margin-top: 4px;
}

/* --- Services Section --- */
.services-grid { display: flex; flex-direction: column; gap: 80px; }
.service-card {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.service-card.reverse { direction: rtl; }
.service-card.reverse > * { direction: ltr; }
.service-visual {
  display: flex; align-items: center; justify-content: center;
  min-height: 320px;
}

/* Agent Illustration */
.agent-illust { position: relative; width: 280px; height: 280px; }
.agent-grid {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  place-items: center;
}
.agent-node {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent-cyan);
  animation: nodePulse 2s ease-in-out infinite;
  animation-delay: var(--delay);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
}
.agent-connection {
  position: absolute; inset: 20%;
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 50%;
  animation: ringRotate 20s linear infinite;
}
.agent-pulse {
  position: absolute; top: 50%; left: 50%;
  width: 80px; height: 80px; transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,240,255,0.2), transparent);
  animation: pulse 3s ease-in-out infinite;
}

/* Consulting Illustration */
.consulting-illust { position: relative; width: 240px; height: 240px; }
.consulting-brain { position: absolute; inset: 0; }
.brain-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(123, 47, 247, 0.3);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.brain-ring.r1 { width: 200px; height: 200px; animation: ringRotate 15s linear infinite; border-color: rgba(0,240,255,0.2); }
.brain-ring.r2 { width: 140px; height: 140px; animation: ringRotate 10s linear infinite reverse; border-color: rgba(123,47,247,0.3); }
.brain-ring.r3 { width: 80px; height: 80px; animation: ringRotate 8s linear infinite; border-color: rgba(0,240,255,0.3); }
.brain-core {
  position: absolute; top: 50%; left: 50%;
  width: 32px; height: 32px; transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--gradient-main);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

/* Coding Illustration */
.coding-illust { width: 300px; }
.code-editor {
  background: rgba(14, 14, 35, 0.9);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.code-header {
  display: flex; gap: 6px; padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-glass);
}
.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-dot.d1 { background: #ff5f57; }
.code-dot.d2 { background: #febc2e; }
.code-dot.d3 { background: #28c840; }
.code-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.code-line {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem; display: block; width: var(--w);
  animation: typeLine 0.6s ease-out both;
  animation-delay: calc(var(--i, 0) * 0.3s);
}
.code-line:nth-child(1) { --i: 0; }
.code-line:nth-child(2) { --i: 1; }
.code-line:nth-child(3) { --i: 2; }
.code-kw { color: var(--accent-purple); }
.code-var { color: var(--accent-cyan); }
.code-fn { color: var(--accent-green); }

/* Service Content */
.service-content { padding: 16px 0; }
.service-badge {
  display: inline-block; padding: 4px 12px;
  background: rgba(0, 240, 255, 0.1); border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 100px; font-size: 0.75rem; font-weight: 600;
  color: var(--accent-cyan); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 16px;
}
.service-content h3 {
  font-family: var(--font-display); font-size: 1.8rem;
  font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px;
}
.service-content > p {
  color: var(--text-secondary); font-size: 0.95rem;
  line-height: 1.8; margin-bottom: 20px;
}
.service-features { margin-bottom: 24px; }
.service-features li {
  padding: 6px 0; padding-left: 20px; position: relative;
  color: var(--text-secondary); font-size: 0.9rem;
}
.service-features li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--accent-cyan); font-weight: 600;
}
.service-link {
  font-weight: 600; color: var(--accent-cyan);
  font-size: 0.95rem; transition: var(--transition);
}
.service-link:hover { color: #fff; }

/* --- Products Section --- */
#products { background: var(--bg-secondary); }
.products-grid { display: flex; flex-direction: column; gap: 48px; }
.product-card {
  position: relative; display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px; align-items: center;
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl); padding: 48px;
  overflow: hidden;
}
.product-glow {
  position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,240,255,0.08), transparent 70%);
  pointer-events: none;
}
.pet-glow {
  background: radial-gradient(circle, rgba(0,255,136,0.08), transparent 70%);
  top: -100px; left: -100px; right: auto;
}
.product-visual {
  display: flex; align-items: center; justify-content: center;
  min-height: 300px;
}

/* Feather Assistant Orb */
.fa-orb { position: relative; width: 220px; height: 220px; }
.fa-ring {
  position: absolute; border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  border: 1px solid rgba(0, 240, 255, 0.2);
}
.fa-ring.r1 { width: 220px; height: 220px; animation: ringRotate 20s linear infinite; }
.fa-ring.r2 { width: 170px; height: 170px; animation: ringRotate 14s linear infinite reverse; border-color: rgba(123,47,247,0.25); }
.fa-ring.r3 { width: 120px; height: 120px; animation: ringRotate 10s linear infinite; }
.fa-core {
  position: absolute; top: 50%; left: 50%;
  width: 64px; height: 64px; transform: translate(-50%, -50%);
  background: var(--gradient-main); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.4);
  animation: pulse 3s ease-in-out infinite;
}
.fa-core svg { width: 32px; height: 32px; }

/* Pet F Avatar */
.pet-avatar { position: relative; width: 200px; height: 220px; }
.pet-body {
  position: relative; width: 140px; height: 140px;
  margin: 40px auto 0;
  background: linear-gradient(135deg, #1a3a2a, #0a2a1a);
  border-radius: 50% 50% 45% 45%;
  border: 2px solid rgba(0, 255, 136, 0.3);
  box-shadow: 0 0 40px rgba(0, 255, 136, 0.15);
  animation: petBounce 3s ease-in-out infinite;
}
.pet-face {
  position: absolute; top: 35%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex; gap: 24px;
}
.pet-eye {
  width: 18px; height: 22px; border-radius: 50%;
  background: #00ff88; position: relative;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.6);
  animation: blink 4s ease-in-out infinite;
}
.pet-pupil {
  position: absolute; top: 40%; left: 50%;
  width: 8px; height: 10px; background: #0a2a1a;
  border-radius: 50%; transform: translate(-50%, -50%);
}
.pet-mouth {
  position: absolute; top: 60%; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 8px;
  border-bottom: 2px solid rgba(0, 255, 136, 0.5);
  border-radius: 0 0 50% 50%;
}
.pet-ear {
  position: absolute; top: -14px;
  width: 0; height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-bottom: 24px solid rgba(0, 255, 136, 0.3);
}
.pet-ear.left { left: 16px; transform: rotate(-10deg); }
.pet-ear.right { right: 16px; transform: rotate(10deg); }
.pet-aura {
  position: absolute; inset: -30px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,255,136,0.08), transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}
.pet-sparkle {
  position: absolute; color: var(--accent-green);
  font-size: 1rem; opacity: 0;
  animation: sparkle 3s ease-in-out infinite;
}
.pet-sparkle.s1 { top: 10px; left: 20px; animation-delay: 0s; }
.pet-sparkle.s2 { top: 30px; right: 10px; animation-delay: 1s; }
.pet-sparkle.s3 { bottom: 20px; left: 10px; animation-delay: 2s; }

/* Product Content */
.product-badge {
  display: inline-block; padding: 4px 12px;
  background: rgba(0, 240, 255, 0.1); border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 100px; font-size: 0.75rem; font-weight: 600;
  color: var(--accent-cyan); text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 12px;
}
.pet-badge {
  background: rgba(0, 255, 136, 0.1); border-color: rgba(0, 255, 136, 0.2);
  color: var(--accent-green);
}
.product-content h3 {
  font-family: var(--font-display); font-size: 2rem;
  font-weight: 800; margin-bottom: 8px; letter-spacing: -0.5px;
}
.product-tagline {
  color: var(--accent-cyan); font-weight: 600;
  font-size: 1rem; margin-bottom: 16px;
}
.pet-f .product-tagline { color: var(--accent-green); }
.product-desc {
  color: var(--text-secondary); font-size: 0.95rem;
  line-height: 1.8; margin-bottom: 24px;
}
.product-features { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.pf-item {
  display: flex; gap: 14px; align-items: flex-start;
}
.pf-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.pf-item strong { display: block; font-size: 0.9rem; margin-bottom: 2px; }
.pf-item span { color: var(--text-secondary); font-size: 0.85rem; }
.product-cta {
  display: flex; align-items: center; gap: 16px;
}
.product-soon {
  font-size: 0.8rem; color: var(--text-muted);
  padding: 6px 14px; border: 1px solid var(--border-glass);
  border-radius: 100px;
}

/* --- Contact Section --- */
.contact-wrapper {
  position: relative; padding: 80px;
  background: var(--bg-card); border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl); overflow: hidden; text-align: center;
}
.contact-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,240,255,0.05), transparent 70%);
  pointer-events: none;
}
.contact-content { position: relative; z-index: 1; }
.contact-content h2 {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800; margin-bottom: 16px; letter-spacing: -1px;
}
.contact-content > p {
  color: var(--text-secondary); max-width: 500px;
  margin: 0 auto 32px; font-size: 1.05rem; line-height: 1.8;
}
.contact-actions {
  display: flex; gap: 16px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 24px;
}
.contact-email {
  color: var(--text-muted); font-size: 0.9rem;
}

/* --- Footer --- */
#footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-glass);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 2fr;
  gap: 64px; margin-bottom: 48px;
}
.footer-brand p {
  color: var(--text-secondary); font-size: 0.9rem;
  margin-top: 16px; max-width: 300px; line-height: 1.7;
}
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 {
  font-size: 0.85rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 1px;
}
.footer-col a {
  display: block; color: var(--text-secondary);
  font-size: 0.9rem; padding: 4px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--accent-cyan); }
.footer-bottom {
  padding-top: 32px; border-top: 1px solid var(--border-glass);
  text-align: center; color: var(--text-muted); font-size: 0.8rem;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}
@keyframes nodePulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}
@keyframes ringRotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}
@keyframes typeLine {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes petBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes blink {
  0%, 45%, 55%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.1); }
}
@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0.5); }
  50% { opacity: 1; transform: scale(1); }
}

/* Reveal Animation */
[data-reveal] {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
[data-reveal].revealed {
  opacity: 1; transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .service-card { grid-template-columns: 1fr; }
  .service-card.reverse { direction: ltr; }
  .service-visual { min-height: 240px; }
  .product-card { grid-template-columns: 1fr; }
  .product-visual { min-height: 240px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  section { padding: 80px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .about-stats { grid-template-columns: repeat(2, 1fr); padding: 32px; }
  .stat-num { font-size: 2rem; }
  .product-card { padding: 32px; }
  .contact-wrapper { padding: 48px 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .footer-links { grid-template-columns: 1fr; }
}