/* =========================================
   智海融诚 AI 科技公司官网
   Dark Futuristic Theme v2
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* === CSS Variables === */
:root {
  --bg-primary: #030712;
  --bg-secondary: #0a1628;
  --bg-card: rgba(15, 32, 64, 0.6);
  --accent-cyan: #00d4ff;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(148, 163, 184, 0.1);
  --glow-cyan: 0 0 30px rgba(0, 212, 255, 0.3);
  --glow-purple: 0 0 30px rgba(139, 92, 246, 0.3);
  --radius: 16px;
  --radius-sm: 8px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'PingFang SC', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* === Custom Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 3px; }

/* === Typography === */
.font-display { font-family: 'Space Grotesk', sans-serif; }

/* === Container === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === Glowing Text === */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(3, 7, 18, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}
.nav-logo img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1) saturate(2) contrast(1.2);
  /* Inverts dark logo to white for visibility on dark nav */
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text span:first-child { font-size: 1rem; }
.logo-text span:last-child {
  font-size: 0.6rem;
  color: var(--accent-cyan);
  letter-spacing: 3px;
  font-weight: 500;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-links a.active { color: var(--accent-cyan); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple)) !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: var(--glow-cyan);
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); margin: 5px 0; border-radius: 2px; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(3, 7, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links a { display: block; padding: 12px 16px; }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: #030712;
  box-shadow: var(--glow-cyan);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(0, 212, 255, 0.5); }
.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}
.btn-outline:hover { background: rgba(0,212,255,0.1); transform: translateY(-2px); }
.btn-white {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-white:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.1), transparent),
    var(--bg-primary);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: rgba(0, 212, 255, 0.08);
  top: -200px; right: -200px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: rgba(139, 92, 246, 0.06);
  bottom: -100px; left: -100px;
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-eyebrow {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: fadeInUp 1s ease 0.6s both;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.5; }
}

@media (max-width: 768px) {
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { justify-content: center; }
}

/* === Section Base === */
section { padding: 120px 0; position: relative; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  font-weight: 600;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
}
.section-header { text-align: center; margin-bottom: 72px; }
.section-header .section-desc { margin: 0 auto; }

/* === Glass Card === */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}
.glass-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), var(--glow-cyan);
  transform: translateY(-4px);
}

/* === Services Section === */
.services { background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.service-card {
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover::before { opacity: 1; }

.service-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(139,92,246,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  position: relative;
}
.service-icon-wrap svg {
  width: 28px; height: 28px;
  stroke: var(--accent-cyan);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.service-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

.service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.service-tag {
  padding: 3px 10px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* === Cases Section === */
.cases { background: var(--bg-secondary); }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.case-card { overflow: hidden; }
.case-visual {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.case-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,22,40,0.8) 100%);
}
.case-visual > * { position: relative; z-index: 1; }

.case-banner-overseas { background: linear-gradient(135deg, #0c1a2e, #162244, #0a1628); }
.case-banner-security { background: linear-gradient(135deg, #0a1f1a, #0d2e22, #0a1628); }
.case-banner-ai { background: linear-gradient(135deg, #1a0c2e, #221644, #0a1628); }

.case-visual .tech-lines {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(0,212,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.5) 1px, transparent 1px);
  background-size: 30px 30px;
}

.case-visual .case-icon {
  width: 80px; height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-icon svg { width: 40px; height: 40px; stroke-width: 1.2; fill: none; }
.case-banner-overseas .case-icon { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.3); }
.case-banner-overseas .case-icon svg { stroke: var(--accent-cyan); }
.case-banner-security .case-icon { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); }
.case-banner-security .case-icon svg { stroke: var(--accent-green); }
.case-banner-ai .case-icon { background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.3); }
.case-banner-ai .case-icon svg { stroke: var(--accent-purple); }

.case-body { padding: 28px; }
.case-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--accent-green);
}
.case-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: #fff; }
.case-card .case-desc { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; margin-bottom: 16px; }
.case-highlights { display: flex; flex-wrap: wrap; gap: 6px; }
.case-highlight {
  padding: 4px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* === Stats Section === */
.stats {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { color: var(--text-muted); font-size: 0.9rem; }

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-number { font-size: 2.5rem; }
}

/* === Tech Stack === */
.tech { background: var(--bg-primary); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.tech-item {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.tech-icon-wrap {
  width: 48px; height: 48px;
  min-width: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
}
.tech-icon-wrap svg { width: 24px; height: 24px; stroke: var(--accent-cyan); fill: none; stroke-width: 1.5; }
.tech-item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.tech-item p { font-size: 0.82rem; color: var(--text-muted); }

/* === About === */
.about { background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.8; font-size: 0.95rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.about-feature-icon {
  width: 40px; height: 40px;
  min-width: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
}
.about-feature-icon svg { width: 20px; height: 20px; stroke: var(--accent-cyan); fill: none; stroke-width: 1.5; }
.about-feature h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.about-feature p { font-size: 0.8rem; color: var(--text-muted); }

.about-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0,212,255,0.05), transparent 70%);
}
.about-visual > * { position: relative; z-index: 1; }

.big-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 6rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.big-sub { color: var(--text-secondary); margin-top: 8px; font-size: 0.95rem; }
.about-badges { display: flex; justify-content: center; gap: 32px; margin-top: 40px; }
.about-badge { text-align: center; }
.about-badge .num { font-size: 2rem; font-weight: 800; color: var(--accent-green); }
.about-badge .label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-features { grid-template-columns: 1fr; }
}

/* === Contact === */
.contact { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h3 { font-size: 1.5rem; margin-bottom: 32px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-icon {
  width: 48px; height: 48px;
  min-width: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
}
.contact-icon svg { width: 22px; height: 22px; stroke: var(--accent-cyan); fill: none; stroke-width: 1.5; }
.contact-item h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 2px; }
.contact-item p { font-size: 0.88rem; color: var(--text-muted); }

.contact-wechat { margin-top: 8px; }
.wechat-label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; }
.wechat-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  background: rgba(255,255,255,0.03);
  border: 2px dashed rgba(0,212,255,0.3);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 16px;
}
.wechat-qr-img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: transform 0.2s;
}
.wechat-qr-img:hover { transform: scale(1.03); }

.contact-form { padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-primary);
  transition: all 0.2s;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.03);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group textarea { height: 120px; resize: vertical; }
.form-btn { width: 100%; justify-content: center; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* === CTA === */
.cta-section {
  padding: 120px 0;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(0,212,255,0.08) 0%, transparent 60%), var(--bg-primary);
  position: relative;
}
.cta-section h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.cta-section p { color: var(--text-secondary); max-width: 500px; margin: 0 auto 40px; font-size: 1.05rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === Footer === */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand .footer-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.footer h4 { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 20px; letter-spacing: 1px; }
.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: all 0.2s;
}
.footer-links a:hover { color: var(--accent-cyan); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* === Particles === */
.particles-container { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0.4;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.5; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* === Reveal Animations === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* === Utility === */
.text-center { text-align: center; }