/* ========================================
   多利科技 — Design System
   Aesthetic: Clean enterprise light
   ======================================== */

:root {
  --bg-deep: #f0f4f8;
  --bg-base: #ffffff;
  --bg-elevated: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.92);
  --border: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(0, 151, 167, 0.35);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #0097a7;
  --accent-light: #00bcd4;
  --accent-dim: rgba(0, 151, 167, 0.08);
  --accent-glow: rgba(0, 151, 167, 0.2);
  --gold: #d97706;
  --gold-dim: rgba(217, 119, 6, 0.08);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.1);
  --font-display: 'Exo 2', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 72px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-deep);
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor-glow { display: none; }
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

/* ---- Scroll Progress ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  z-index: 10001;
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width 0.05s linear;
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.4s, visibility 0.4s, transform 0.4s, border-color 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-md);
}

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

.back-to-top:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-dim);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ---- Partners ---- */
.partners {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(0, 151, 167, 0.03));
}

.partners-label {
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.partners-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px 56px;
}

.partners-logos span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  opacity: 0.5;
  letter-spacing: 0.08em;
  transition: opacity 0.4s, color 0.4s, transform 0.4s;
  cursor: default;
}

.partners-logos span:hover {
  opacity: 1;
  color: var(--text-secondary);
  transform: scale(1.05);
}

/* ---- Grain & Cursor ---- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 151, 167, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  mix-blend-mode: multiply;
}

/* ---- Preloader ---- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s, visibility 0.6s;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-inner {
  text-align: center;
}

.preloader-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}

.logo-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.preloader-bar {
  width: 200px;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 12px;
}

.preloader-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width 0.1s linear;
}

.preloader-percent {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
}

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.brand-icon {
  width: 36px;
  height: 36px;
  color: var(--accent);
}

.brand-icon svg { width: 100%; height: 100%; }

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
  transition: color 0.3s;
}

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

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

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

.nav-cta { margin-left: 24px; }

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover {
  box-shadow: 0 8px 24px var(--accent-glow);
}

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

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

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

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

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-deep) 100%);
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 50%, black 15%, transparent 75%);
  z-index: 1;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  animation: glowPulse 8s ease-in-out infinite;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: rgba(0, 151, 167, 0.06);
  top: -10%;
  right: -10%;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: rgba(217, 119, 6, 0.04);
  bottom: -10%;
  left: -10%;
  animation-delay: -4s;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
  align-items: center;
  padding: 80px 0 120px;
  min-height: calc(100vh - var(--header-h));
}

.hero-copy {
  max-width: 580px;
}

.hero-visual {
  position: relative;
  height: min(520px, 70vh);
  min-height: 380px;
}

.hero-visual-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 420px;
  height: 420px;
  transform: translate(-50%, -50%);
  border: 1px dashed var(--border);
  border-radius: 50%;
  animation: spin 40s linear infinite;
  pointer-events: none;
}

.hero-visual-orbit::before {
  content: '';
  position: absolute;
  inset: 24px;
  border: 1px dashed rgba(0, 151, 167, 0.12);
  border-radius: 50%;
}

.hero-dashboard {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(100%, 400px);
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: heroDashboardFloat 6s ease-in-out infinite;
}

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

.dashboard-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.dashboard-dots {
  display: flex;
  gap: 6px;
}

.dashboard-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.dashboard-dots span:nth-child(1) { background: #f87171; }
.dashboard-dots span:nth-child(2) { background: #fbbf24; }
.dashboard-dots span:nth-child(3) { background: #34d399; }

.dashboard-title {
  flex: 1;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.dashboard-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 1.5s ease-in-out infinite;
}

.dashboard-body {
  padding: 20px 18px 22px;
}

.dashboard-status {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(0, 151, 167, 0.06);
  border: 1px solid rgba(0, 151, 167, 0.12);
  border-radius: 12px;
  margin-bottom: 20px;
}

.status-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  border-radius: 10px;
  color: var(--accent);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.status-icon svg { width: 22px; height: 22px; }

.dashboard-status strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.dashboard-status span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.dashboard-chart {
  margin-bottom: 20px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chart-value {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--accent);
}

.chart-svg {
  width: 100%;
  height: 80px;
  color: var(--accent);
}

.chart-line {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: chartDraw 2.5s var(--transition) forwards 0.6s;
}

.chart-area {
  opacity: 0;
  animation: chartFadeIn 1s ease forwards 1.2s;
}

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

@keyframes chartFadeIn {
  to { opacity: 1; }
}

.dashboard-metrics {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dash-metric-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.dash-metric-head span:last-child {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--accent);
}

.dash-bar {
  height: 5px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.dash-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-light), var(--accent));
  border-radius: 3px;
  animation: barFill 1.8s var(--transition) forwards 1s;
}

.dash-bar-gold {
  background: linear-gradient(90deg, #fbbf24, var(--gold));
}

@keyframes barFill {
  to { width: var(--w); }
}

.hero-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  white-space: nowrap;
  z-index: 3;
}

.hero-float svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.hero-float-1 {
  top: 8%;
  right: -4%;
  animation: float1 5s ease-in-out infinite;
}

.hero-float-2 {
  bottom: 18%;
  left: -6%;
  animation: float3 6s ease-in-out infinite;
}

.hero-float-3 {
  top: 22%;
  left: 0;
  animation: float2 7s ease-in-out infinite;
}

.hero-badge-float {
  position: absolute;
  bottom: 6%;
  right: 2%;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  border-radius: 14px;
  color: #ffffff;
  text-align: center;
  box-shadow: 0 12px 32px var(--accent-glow);
  z-index: 3;
  animation: float1 5s ease-in-out infinite -2s;
}

.badge-float-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
}

.badge-float-label {
  font-size: 0.7rem;
  opacity: 0.9;
  letter-spacing: 0.06em;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 28px;
  background: rgba(0, 151, 167, 0.05);
  box-shadow: var(--shadow-sm);
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.title-line {
  display: block;
}

.title-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  max-width: 560px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0.3; }
}

/* ---- Sections ---- */
.section {
  padding: 120px 0;
  position: relative;
}

.section:nth-of-type(even) {
  background: var(--bg-base);
}

.section:nth-of-type(odd):not(.hero) {
  background: var(--bg-deep);
}

.section-header {
  margin-bottom: 64px;
}

.section-header.center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
}

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

.section-desc {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ---- Reveal Animations ---- */
.reveal,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

.reveal { transform: translateY(40px); }
.reveal-left { transform: translateX(-60px); }
.reveal-right { transform: translateX(60px); }

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  height: 420px;
}

.about-card-stack {
  position: relative;
  height: 100%;
}

.about-card {
  position: absolute;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: transform 0.5s var(--transition), box-shadow 0.5s;
  box-shadow: var(--shadow-md);
}

.about-card:hover {
  box-shadow: var(--shadow-lg);
}

.about-card-1 {
  top: 0;
  left: 0;
  width: 220px;
  animation: float1 6s ease-in-out infinite;
}

.about-card-2 {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 240px;
  animation: float2 7s ease-in-out infinite;
}

.about-card-3 {
  bottom: 0;
  left: 60px;
  width: 200px;
  animation: float3 5s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(-50%); }
  50% { transform: translateY(calc(-50% - 15px)); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.card-icon {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 12px;
}

.card-icon svg { width: 100%; height: 100%; }

.about-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 4px;
}

.about-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  pointer-events: none;
  z-index: -1;
}

.orbit-ring {
  width: 100%;
  height: 100%;
  border: 1px dashed var(--border);
  border-radius: 50%;
  animation: spin 20s linear infinite;
}

.orbit-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--accent-glow);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.about-lead {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s, background 0.3s;
}

.feature-item:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.feature-item strong {
  display: block;
  margin-bottom: 4px;
}

.feature-item span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---- Services Horizontal Scroll ---- */
.services {
  padding-bottom: 80px;
  overflow: hidden;
}

.services-track-wrapper {
  position: relative;
  padding: 0 4vw;
}

.services-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 20px 0 40px;
  cursor: grab;
}

.services-track::-webkit-scrollbar { display: none; }
.services-track:active { cursor: grabbing; }

.service-card {
  flex: 0 0 min(360px, 85vw);
  scroll-snap-align: start;
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: transform 0.4s var(--transition), border-color 0.4s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

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

.service-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(0, 151, 167, 0.07);
  position: absolute;
  top: 16px;
  right: 24px;
}

.service-icon {
  width: 56px;
  height: 56px;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

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

.service-tags li {
  padding: 4px 12px;
  font-size: 0.75rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
}

.services-progress {
  width: min(1200px, 92vw);
  margin: 0 auto;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
}

.services-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 2px;
  transition: width 0.1s;
}

/* ---- Solutions ---- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 280px;
  transition: transform 0.4s var(--transition), box-shadow 0.4s;
  background: var(--bg-base);
  box-shadow: var(--shadow-sm);
}

.solution-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.solution-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    hsla(var(--hue), 70%, 92%, 0.9) 0%,
    transparent 60%
  );
  transition: opacity 0.4s;
}

.solution-item:hover .solution-bg {
  opacity: 1.5;
}

.solution-content {
  position: relative;
  padding: 36px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.solution-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 14px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--accent);
  transition: background 0.4s, border-color 0.4s, transform 0.4s;
}

.solution-icon svg {
  width: 32px;
  height: 32px;
}

.solution-item:hover .solution-icon {
  background: rgba(0, 151, 167, 0.12);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.solution-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.solution-content p {
  color: var(--text-secondary);
  flex: 1;
  font-size: 0.95rem;
}

.solution-link {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--accent);
  transition: letter-spacing 0.3s;
}

.solution-link:hover {
  letter-spacing: 0.05em;
}

/* ---- Metrics ---- */
.metrics {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.metrics-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, var(--accent-dim), transparent);
  opacity: 0.5;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
}

.metric-item {
  text-align: center;
  padding: 40px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-base);
  backdrop-filter: blur(8px);
  transition: border-color 0.4s, transform 0.4s, box-shadow 0.4s;
  box-shadow: var(--shadow-sm);
}

.metric-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.metric-label {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---- Cases ---- */
.cases-showcase {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-base);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.case-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.case-tab {
  flex: 1;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  cursor: pointer;
  transition: color 0.3s, background 0.3s;
  position: relative;
}

.case-tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.case-tab:hover { color: var(--text-secondary); }

.case-tab.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.case-tab.active::after { transform: scaleX(1); }

.case-panels { position: relative; min-height: 360px; }

.case-panel {
  display: none;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding: 48px;
  animation: fadeSlideIn 0.5s var(--transition);
}

.case-panel.active { display: grid; }

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

.case-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-chart {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  height: 200px;
  width: 100%;
  max-width: 280px;
}

.chart-bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--accent-light), rgba(0, 151, 167, 0.15));
  border-radius: 6px 6px 0 0;
  position: relative;
  animation: barGrow 1s var(--transition) backwards;
}

.chart-bar:nth-child(1) { animation-delay: 0.1s; }
.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.3s; }
.chart-bar:nth-child(4) { animation-delay: 0.4s; }

@keyframes barGrow {
  from { height: 0; }
}

.chart-bar span {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 16px;
}

.case-info h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.case-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.case-results {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.case-results div {
  display: flex;
  flex-direction: column;
}

.case-results strong {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--accent);
}

.case-results span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---- Tech Marquee ---- */
.tech-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.tech-track {
  display: flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.tech-track span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.3s;
  letter-spacing: 0.05em;
}

.tech-track span:hover {
  color: var(--accent);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---- Why ---- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-content p {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent);
  flex-shrink: 0;
  transition: background 0.3s, border-color 0.3s;
}

.why-icon svg {
  width: 22px;
  height: 22px;
}

.why-item:hover .why-icon {
  background: rgba(0, 151, 167, 0.12);
  border-color: var(--border-hover);
}

.why-item h4 {
  font-family: var(--font-display);
  margin-bottom: 6px;
}

.why-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.orbit-system {
  position: relative;
  width: 360px;
  height: 360px;
  margin: 0 auto;
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: #ffffff;
  box-shadow: 0 8px 32px var(--accent-glow);
  z-index: 2;
}

.orbit-path {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px dashed var(--border);
  border-radius: 50%;
  animation: spin linear infinite;
}

.orbit-path-1 { width: 180px; height: 180px; margin: -90px 0 0 -90px; animation-duration: 12s; }
.orbit-path-2 { width: 240px; height: 240px; margin: -120px 0 0 -120px; animation-duration: 18s; animation-direction: reverse; }
.orbit-path-3 { width: 300px; height: 300px; margin: -150px 0 0 -150px; animation-duration: 24s; }
.orbit-path-4 { width: 360px; height: 360px; margin: -180px 0 0 -180px; animation-duration: 30s; animation-direction: reverse; }

.orbit-node {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

/* ---- Contact ---- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  padding: 64px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-base);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.contact-info p {
  color: var(--text-secondary);
  margin: 20px 0 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-detail svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-note {
  text-align: center;
  font-size: 0.9rem;
  min-height: 1.4em;
  transition: color 0.3s;
}

.form-note.success { color: var(--accent); }
.form-note.error { color: #f87171; }

/* ---- Footer ---- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

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

.footer-brand p {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: color 0.3s;
}

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

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  transition: border-color 0.3s, background 0.3s;
}

.social-links a:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 100px;
  }

  .hero-copy { max-width: none; }

  .hero-visual {
    height: 420px;
    min-height: 360px;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .hero-float-1 { right: 0; }
  .hero-float-2 { left: 0; }

  .about-grid,
  .why-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual { height: 320px; }

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

  .case-panel {
    grid-template-columns: 1fr;
    padding: 32px;
  }

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.4s, opacity 0.4s;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-link { display: block; padding: 16px 0; }

  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

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

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

  .case-tabs { flex-direction: column; }

  .form-row { grid-template-columns: 1fr; }

  .contact-wrapper { padding: 32px 24px; }

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

  .hero-stat-divider { display: none; }

  .hero-visual {
    height: 360px;
    min-height: 320px;
  }

  .hero-float {
    padding: 8px 10px;
    font-size: 0.65rem;
  }

  .hero-float-3 { display: none; }

  .hero-badge-float {
    padding: 12px 16px;
  }

  .badge-float-num { font-size: 1.2rem; }

  .orbit-system {
    width: 280px;
    height: 280px;
  }

  .orbit-path-4 { width: 280px; height: 280px; margin: -140px 0 0 -140px; }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .partners-logos {
    gap: 24px 32px;
  }

  .partners-logos span {
    font-size: 0.95rem;
  }
}

/* ---- Reduced Motion ---- */
@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; }

  .reveal, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }

  .chart-line, .chart-area, .dash-bar-fill { animation: none; stroke-dashoffset: 0; opacity: 1; }
  .dash-bar-fill { width: var(--w); }
  .hero-dashboard { animation: none; }
  .hero-float, .hero-badge-float { animation: none; }
  .hero-visual-orbit { animation: none; }
}