/* ===================================
   如渔科技 - 企业官网样式
   Design: Dark tech aesthetic
   Accent: Electric teal #00d4aa / Cyan #0891b2
   =================================== */

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

:root {
  --bg-primary: #060b18;
  --bg-secondary: #0c1222;
  --bg-card: #111827;
  --bg-card-hover: #151d30;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(0, 212, 170, 0.2);
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.1);
  --accent-secondary: #0891b2;
  --text-primary: #e8ecf1;
  --text-secondary: #8b95a5;
  --text-muted: #5a6478;
  --font-heading: 'Outfit', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Outfit', sans-serif;
  --container-max: 1280px;
  --nav-height: 72px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

.navbar.scrolled {
  background: rgba(6, 11, 24, 0.85);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.nav-logo .logo-img {
  height: 34px;
  width: auto;
  filter: brightness(1.1);
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
  border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 11, 24, 0.97);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-link {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

#particleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-left {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.title-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 540px;
}

.hero-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  max-width: 540px;
}

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(0, 212, 170, 0.04);
  border: 1px solid rgba(0, 212, 170, 0.12);
  border-radius: 14px;
  transition: all 0.3s;
  backdrop-filter: blur(8px);
}

.highlight-card:hover {
  background: rgba(0, 212, 170, 0.08);
  border-color: rgba(0, 212, 170, 0.25);
  transform: translateX(4px);
}

.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-text h4 {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--accent);
}

.highlight-text p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.25);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* --- Hero Stats --- */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

.stat-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
}

/* --- Hero Visual --- */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual {
  position: relative;
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ring-rotate 20s linear infinite;
}

.ring-1 {
  width: 320px;
  height: 320px;
  border-color: rgba(0, 212, 170, 0.1);
  animation-duration: 30s;
}

.ring-2 {
  width: 240px;
  height: 240px;
  border-color: rgba(8, 145, 178, 0.12);
  animation-direction: reverse;
  animation-duration: 25s;
}

.ring-3 {
  width: 160px;
  height: 160px;
  border-color: rgba(0, 212, 170, 0.08);
  animation-duration: 18s;
}

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

.visual-core {
  position: relative;
  z-index: 2;
  width: 80px;
  height: 80px;
  animation: core-float 4s ease-in-out infinite;
}

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

@keyframes core-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.02); }
}

.visual-node {
  position: absolute;
  z-index: 3;
  animation: node-float 5s ease-in-out infinite;
}

.node-1 { top: 15%; right: 15%; animation-delay: 0s; }
.node-2 { bottom: 20%; right: 10%; animation-delay: 1.2s; }
.node-3 { bottom: 15%; left: 15%; animation-delay: 2.4s; }
.node-4 { top: 20%; left: 10%; animation-delay: 3.6s; }

@keyframes node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.visual-line {
  position: absolute;
  background: linear-gradient(90deg, var(--accent), transparent);
  height: 1px;
  z-index: 1;
  opacity: 0.2;
}

.line-1 {
  width: 120px;
  top: 30%;
  right: 15%;
  transform: rotate(-30deg);
}

.line-2 {
  width: 100px;
  bottom: 25%;
  right: 15%;
  transform: rotate(20deg);
}

.line-3 {
  width: 100px;
  bottom: 25%;
  left: 15%;
  transform: rotate(-20deg);
}

.line-4 {
  width: 120px;
  top: 30%;
  left: 15%;
  transform: rotate(30deg);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: fade-in-up 1s 1.5s both;
}

.scroll-mouse {
  width: 20px;
  height: 32px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  position: relative;
}

.scroll-wheel {
  width: 3px;
  height: 6px;
  background: var(--accent);
  border-radius: 3px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(10px); opacity: 0; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* --- About --- */
.about {
  padding: 100px 0;
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.about-text-block h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.about-text-block p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.8;
}

.about-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.metric-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.metric-icon {
  color: var(--accent);
  margin-bottom: 10px;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.about-vision {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.05), rgba(8, 145, 178, 0.05));
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  padding: 28px;
  margin-bottom: 24px;
}

.vision-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-weight: 600;
  font-size: 0.9rem;
}

.about-vision p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.about-vision strong {
  color: var(--accent);
}

.about-tech-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 10px 14px;
  background: var(--bg-card);
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.tech-item:hover {
  border-color: var(--border-accent);
}

.tech-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* --- Solutions --- */
.solutions {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
}

.solutions::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.sol-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
}

.sol-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  opacity: 0;
  transition: opacity 0.3s;
}

.sol-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

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

.sol-large {
  grid-column: span 2;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.sol-large .sol-icon {
  margin-bottom: 16px;
}

.sol-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.sol-header .sol-title {
  margin-bottom: 0;
}

.sol-header .sol-tag {
  margin-top: 0;
  flex-shrink: 0;
}

.sol-icon {
  color: var(--accent);
  margin-bottom: 12px;
}

.sol-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sol-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.sol-desc-sub {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.75;
  padding-left: 12px;
  border-left: 2px solid var(--border-accent);
}

.sol-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: 100px;
}

/* --- Products --- */
.products {
  padding: 100px 0;
  position: relative;
}

.products::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.products-showcase {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 48px;
}

.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  transition: border-color 0.3s;
  align-items: center;
}

.product-card:hover {
  border-color: var(--border-accent);
}

.product-card:not(.product-featured) {
  grid-template-columns: auto 1fr;
  gap: 24px;
  padding: 28px;
  border-radius: 20px;
}

/* Product Screen Mockup */
.product-screen {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.screen-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.screen-dots {
  display: flex;
  gap: 5px;
}

.screen-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.screen-dots span:nth-child(1) { background: #ff5f56; opacity: 0.6; }
.screen-dots span:nth-child(2) { background: #ffbd2e; opacity: 0.6; }
.screen-dots span:nth-child(3) { background: #27c93f; opacity: 0.6; }

.screen-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-heading);
}

.screen-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.screen-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.dot.green { background: #27c93f; }
.dot.blue { background: #4dabf7; }
.dot.teal { background: var(--accent); }
.dot.orange { background: #ff922b; }

.screen-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
  margin-top: 8px;
  padding: 0 4px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent), var(--accent-secondary));
  border-radius: 3px 3px 0 0;
  opacity: 0.6;
  animation: chart-grow 1.5s ease-out forwards;
  transform-origin: bottom;
}

@keyframes chart-grow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.product-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.product-info h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-info p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.product-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.product-visual-sm {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 16px;
  flex-shrink: 0;
}

.product-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-tags span {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  color: var(--accent);
}

.product-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.more-text p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.more-text strong {
  color: var(--accent);
}

/* --- Advantages --- */
.advantages {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
}

.advantages::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.35s;
  position: relative;
}

.adv-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.adv-highlight {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}

.adv-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(0, 212, 170, 0.08);
  margin-bottom: 12px;
  line-height: 1;
}

.adv-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.adv-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.adv-wide {
  grid-column: span 2;
}

.adv-wide-content {
  display: flex;
  gap: 32px;
  align-items: start;
}

.adv-wide-content > div:first-child {
  flex: 1;
}

.adv-visual {
  margin-top: auto;
  padding-top: 24px;
}

.team-avatars {
  display: flex;
  gap: 16px;
}

.avatar-ring {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
}

.avatar-inner {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent);
}

.adv-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
}

.adv-tag {
  font-size: 0.75rem;
  padding: 5px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  color: var(--accent);
  white-space: nowrap;
}

/* --- Process --- */
.process {
  padding: 100px 0;
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
}

.process-line {
  position: absolute;
  top: 22px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent));
  opacity: 0.3;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 8px;
}

.step-dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
  transition: all 0.3s;
}

.process-step:hover .step-dot {
  background: var(--accent-dim);
  transform: scale(1.1);
}

.step-content h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Contact --- */
.contact {
  padding: 100px 0 80px;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.contact::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.contact-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.3s;
  position: relative;
}

.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--border-accent) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
}

.contact-card:hover::after {
  opacity: 1;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: transparent;
}

.contact-card-accent {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.05) 100%);
}

.contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: transform 0.3s;
}

.contact-card:hover .contact-icon {
  transform: scale(1.1);
}

.contact-card h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* CTA Section */
.contact-cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 56px;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-cta-left h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-cta-left > p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 520px;
}

.contact-cta-services {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.contact-cta-services span {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  color: var(--accent);
  transition: all 0.2s;
}

.contact-cta-services span:hover {
  background: rgba(0, 212, 170, 0.15);
  transform: translateY(-1px);
}

/* QR Code Card */
.qrcode-card {
  position: relative;
  text-align: center;
  padding: 32px;
}

.qrcode-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: qrcode-pulse 3s ease-in-out infinite;
}

@keyframes qrcode-pulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.qrcode-img-wrap {
  width: 180px;
  height: 180px;
  margin: 0 auto 16px;
  padding: 12px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 60px rgba(0, 212, 170, 0.1);
  position: relative;
  z-index: 1;
  transition: transform 0.3s;
}

.qrcode-img-wrap:hover {
  transform: scale(1.03);
}

.qrcode-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.qrcode-label {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* --- Footer --- */
.footer {
  padding: 60px 0 24px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
}

.footer-logo .logo-img {
  height: 30px;
  width: auto;
  filter: brightness(1.1);
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-dim);
  border-color: var(--border-accent);
}

/* --- Animations (Scroll Reveal) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-left {
    max-width: 100%;
  }

  .hero-desc {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-highlights {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-right {
    order: -1;
  }

  .hero-visual {
    width: 280px;
    height: 280px;
  }

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

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

  .sol-large {
    grid-column: span 2;
    grid-row: span 1;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

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

  .adv-highlight {
    grid-row: span 1;
  }

  .adv-wide {
    grid-column: span 2;
  }

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

  .process-line {
    display: none;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .contact-cta {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 36px;
    text-align: center;
  }

  .contact-cta-left > p {
    max-width: 100%;
  }

  .contact-cta-services {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 2.75rem);
  }

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

  .sol-large {
    grid-column: span 1;
  }

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

  .adv-wide {
    grid-column: span 1;
  }

  .adv-wide-content {
    flex-direction: column;
  }

  .product-card {
    padding: 24px;
  }

  .product-features {
    grid-template-columns: 1fr;
  }

  .product-more {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .contact-cta {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 28px;
    text-align: center;
  }

  .contact-cta-left h3 {
    font-size: 1.4rem;
  }

  .contact-cta-left > p {
    max-width: 100%;
  }

  .contact-cta-services {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .about-metrics {
    grid-template-columns: 1fr;
  }

  .process-timeline {
    grid-template-columns: 1fr;
  }

  .team-avatars {
    flex-wrap: wrap;
  }

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

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