/* ===========================
   VARIABLES & BASE
   =========================== */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f4f9;
  --color-bg-card: #ffffff;
  --color-surface: #f0ecf3;
  --color-border: #e3dbe8;
  --color-text: #1a0a25;
  --color-text-muted: #7a6485;
  --color-primary: #660874;
  --color-primary-dark: #4a0654;
  --color-secondary: #9c4db5;
  --color-green: #66bb6a;
  --color-accent: #660874;
  --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --header-height: 72px;
  --container-max: 1280px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

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

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

/* ===========================
   ANIMATIONS
   =========================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* ===========================
   HEADER
   =========================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(102, 8, 116, 0.08);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

.logo-img {
  height: 40px;
  width: auto;
  max-width: min(200px, 45vw);
  object-fit: contain;
  display: block;
}

.logo-img--footer {
  height: 44px;
  max-width: 220px;
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.nav-list {
  display: flex;
  gap: 4px;
}

.nav-item > a {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-item > a:hover,
.nav-item:hover > a {
  color: var(--color-text);
  background: rgba(102, 8, 116, 0.06);
}

.nav-item.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
}

.nav-item.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.dropdown a:hover {
  color: var(--color-text);
  background: rgba(102, 8, 116, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-contact {
  padding: 8px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border-radius: 100px;
  transition: all var(--transition);
}

.btn-contact:hover {
  background: #7d2a90;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 10;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 100px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #7d2a90;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(102, 8, 116, 0.3);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: #b06ec5;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(156, 77, 181, 0.3);
}

.btn-green {
  background: var(--color-green);
  color: #fff;
}

.btn-green:hover {
  background: #81c784;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(102, 187, 106, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid rgba(102, 8, 116, 0.2);
}

.btn-outline:hover {
  border-color: rgba(102, 8, 116, 0.5);
  background: rgba(102, 8, 116, 0.06);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-bg {
  position: absolute;
  top: 8%;
  bottom: 10%;
  left: 0%;
  right: 0%;
  background-image: url('../pic/main_page_background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.6; /* 调低透明度以保证文字清晰，可根据实际图片亮度调整 */
  border-radius: var(--radius);
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-particles {
  position: absolute;
  inset: 0;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(102, 8, 116, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 8, 116, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
}

.title-line {
  display: block;
}

.title-line.accent {
  background: linear-gradient(135deg, var(--color-primary), #b06ec5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  animation: fadeInUp 1s ease 1.5s both;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 1; }
  50% { transform: rotate(45deg) translateY(8px); opacity: 0.5; }
}

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

/* ===========================
   PRODUCT SECTIONS
   =========================== */
.product-showcase,
.product-dark {
  padding: 120px 0;
}

.product-dark {
  background: var(--color-bg-alt);
}

.product-section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.product-section.reverse {
  direction: rtl;
}

.product-section.reverse > * {
  direction: ltr;
}

.product-visual {
  width: 100%;
  height: 100%;
}

.robot-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 400px;
}

.robot-svg {
  width: 100%;
  max-width: 420px;
  filter: drop-shadow(0 20px 60px rgba(102, 8, 116, 0.15));
}

img.robot-svg {
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.robot-body {
  animation: robotFloat 4s ease-in-out infinite;
}

.robot-eye {
  animation: blink 3s ease-in-out infinite;
}

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

@keyframes blink {
  0%, 90%, 100% { opacity: 1; }
  95% { opacity: 0.2; }
}

.product-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 100px;
  margin-bottom: 20px;
}

.product-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 20px;
}

.product-title strong {
  font-weight: 900;
}

.product-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.product-specs {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.spec {
  text-align: center;
  min-width: 70px;
}

.spec-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-text);
}

.spec-unit {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

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

/* ===========================
   SOLUTIONS
   =========================== */
.solutions {
  padding: 120px 0;
  background: var(--color-bg-alt);
}

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

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  margin-bottom: 16px;
}

.section-title strong {
  font-weight: 900;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.solution-card {
  display: block;
  padding: 40px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.solution-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(102, 8, 116, 0.1);
}

.solution-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.solution-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition);
}

.solution-card:hover .card-link {
  letter-spacing: 0.02em;
}

/* ===========================
   PLATFORM
   =========================== */
.platform-section {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.platform-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.platform-info h2 {
  margin-bottom: 24px;
}

.platform-info p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.platform-features {
  list-style: none;
  margin-bottom: 32px;
}

.platform-features li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.platform-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* Dashboard Mock */
.dashboard-mock {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(102, 8, 116, 0.1);
}

.dash-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

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

.dash-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dash-dots span:nth-child(1) { background: #ff5f57; }
.dash-dots span:nth-child(2) { background: #ffbd2e; }
.dash-dots span:nth-child(3) { background: #28c840; }

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

.dash-body {
  display: flex;
  min-height: 280px;
}

.dash-sidebar {
  width: 50px;
  border-right: 1px solid var(--color-border);
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dash-nav-item {
  height: 28px;
  background: var(--color-surface);
  border-radius: 4px;
  transition: background var(--transition);
}

.dash-nav-item.active {
  background: var(--color-primary);
}

.dash-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dash-stat-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  height: 100px;
}

.dash-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stat-bar {
  width: 100%;
  height: var(--h);
  background: linear-gradient(to top, var(--color-primary), rgba(102, 8, 116, 0.3));
  border-radius: 4px 4px 0 0;
  animation: barGrow 1.5s ease both;
}

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

.dash-stat span {
  font-size: 0.55rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.dash-map {
  flex: 1;
  position: relative;
  background: rgba(102, 8, 116, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  min-height: 120px;
}

.map-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

.map-dot.pulse {
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(102, 8, 116, 0.5); }
  50% { box-shadow: 0 0 0 12px rgba(102, 8, 116, 0); }
}

/* ===========================
   INDUSTRIES
   =========================== */
.industries {
  padding: 120px 0;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.industry-card {
  padding: 40px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.industry-card:hover {
  border-color: rgba(102, 8, 116, 0.3);
  transform: translateY(-2px);
}

.industry-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(102, 8, 116, 0.06);
  position: absolute;
  top: 12px;
  right: 20px;
  line-height: 1;
}

.industry-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.industry-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===========================
   ABOUT / STATS
   =========================== */
.about-stats {
  padding: 120px 0;
  background: var(--color-bg-alt);
}

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

.about-text p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-text h2 {
  margin-bottom: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
}

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

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), #b06ec5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-plus {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

/* ===========================
   PARTNERS
   =========================== */
.partners {
  padding: 80px 0;
  overflow: hidden;
}

.partners-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.partners-track {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.partners-logos {
  display: flex;
  gap: 48px;
  animation: marquee 20s linear infinite;
  width: max-content;
}

.partner-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  min-height: 72px;
  border: 1px solid rgba(102, 8, 116, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color var(--transition), background var(--transition), opacity var(--transition);
}

.partner-logo img {
  display: block;
  max-height: 48px;
  width: auto;
  max-width: min(200px, 40vw);
  object-fit: contain;
  opacity: 0.85;
  transition: opacity var(--transition), filter var(--transition);
}

.partner-logo:hover {
  border-color: rgba(102, 8, 116, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.partner-logo:hover img {
  opacity: 1;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===========================
   NEWS
   =========================== */
.news {
  padding: 120px 0;
  background: var(--color-bg-alt);
}

.news .section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  text-align: left;
}

.view-all {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition);
}

.view-all:hover {
  letter-spacing: 0.02em;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.news-card:hover {
  border-color: rgba(102, 8, 116, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(102, 8, 116, 0.08);
}

.news-image {
  height: 200px;
  overflow: hidden;
}

.news-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(102, 8, 116, 0.03), rgba(102, 8, 116, 0.07));
  color: var(--accent);
}

.news-placeholder svg {
  width: 60px;
  height: 60px;
  opacity: 0.3;
}

.news-body {
  padding: 24px;
}

.news-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(102, 8, 116, 0.1);
  border-radius: 100px;
  margin-bottom: 12px;
}

.news-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}

.news-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-date {
  font-size: 0.75rem;
  color: rgba(102, 8, 116, 0.4);
}

/* ===========================
   CTA
   =========================== */
.cta-section {
  padding: 120px 0;
  background: linear-gradient(135deg, rgba(102, 8, 116, 0.06) 0%, var(--color-bg) 50%, rgba(156, 77, 181, 0.04) 100%);
  position: relative;
}

.cta-content {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  padding: 80px 0 40px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

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

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .product-section {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .product-section.reverse {
    direction: ltr;
  }

  .platform-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

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

  .main-nav {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .nav-item > a {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    min-width: auto;
    text-align: center;
    padding: 4px 0;
  }

  .hamburger {
    display: flex;
  }

  .btn-contact {
    display: none;
  }

  .hero-title {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }

  .product-specs {
    justify-content: center;
  }

  .product-info {
    text-align: center;
  }

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

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

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

  .news .section-header {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .product-specs {
    gap: 16px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
  }
}

/* ===========================
   PARTICLES (canvas-like dots)
   =========================== */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0;
  animation: particleFade var(--duration, 4s) ease-in-out var(--delay, 0s) infinite;
}

@keyframes particleFade {
  0%, 100% { opacity: 0; transform: translate(0, 0); }
  50% { opacity: var(--max-opacity, 0.4); transform: translate(var(--tx, 10px), var(--ty, -20px)); }
}

/* ===========================
   JOIN US TEASER (homepage)
   =========================== */
.join-teaser {
  padding: 120px 0;
  background: linear-gradient(135deg, rgba(102, 8, 116, 0.06) 0%, var(--color-bg) 60%);
}

.join-teaser-inner {
  max-width: 720px;
}

.join-teaser-text h2 {
  margin-bottom: 20px;
}

.join-teaser-text p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
}

.join-teaser-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.join-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  background: rgba(102, 8, 116, 0.12);
  border: 1px solid rgba(102, 8, 116, 0.2);
  border-radius: 100px;
  transition: all var(--transition);
}

.join-tag:hover {
  background: rgba(102, 8, 116, 0.22);
  border-color: rgba(102, 8, 116, 0.4);
}

/* ===========================
   CAREERS PAGE
   =========================== */
.careers-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, rgba(102, 8, 116, 0.08) 0%, var(--color-bg) 100%);
}

.careers-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 16px;
}

.careers-hero h1 strong {
  background: linear-gradient(135deg, var(--color-primary), #b06ec5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.careers-hero p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

.careers-culture {
  padding: 80px 0;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.culture-card {
  padding: 32px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
}

.culture-card:hover {
  border-color: rgba(102, 8, 116, 0.3);
  transform: translateY(-2px);
}

.culture-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.culture-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.culture-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.careers-jobs {
  padding: 80px 0 120px;
  background: var(--color-bg-alt);
}

.careers-jobs .section-header {
  margin-bottom: 48px;
}

.jobs-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.job-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
}

.job-card:hover {
  border-color: rgba(102, 8, 116, 0.35);
  transform: translateX(4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.job-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.job-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.job-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.job-meta span::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

.job-arrow {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.job-card:hover .job-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

.job-detail {
  display: none;
  padding: 0 32px 28px;
  animation: fadeDown 0.3s ease;
}

.job-card.expanded .job-detail {
  display: block;
}

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

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.job-detail h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin: 20px 0 10px;
  color: var(--color-text);
}

.job-detail ul {
  list-style: none;
  padding: 0;
}

.job-detail ul li {
  position: relative;
  padding-left: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.job-detail ul li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.job-detail .btn {
  margin-top: 20px;
}

.careers-cta {
  padding: 100px 0;
  text-align: center;
}

.careers-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.careers-cta p {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .job-card {
    padding: 20px;
    gap: 12px;
  }

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

@media (max-width: 480px) {
  .culture-grid {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   NEWS PAGE
   =========================== */
.news-page-hero {
  padding: 160px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, rgba(102, 8, 116, 0.08) 0%, var(--color-bg) 100%);
}

.news-page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 300;
  margin-bottom: 16px;
}

.news-page-hero h1 strong {
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), #b06ec5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.news-page-hero p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.news-page-content {
  padding: 40px 0 120px;
}

.news-timeline {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.news-timeline-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.news-timeline-date {
  flex-shrink: 0;
  width: 100px;
  text-align: right;
  padding-top: 8px;
}

.news-timeline-date .day {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.news-timeline-date .month-year {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.news-timeline-content {
  flex: 1;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 320px 1fr;
  transition: all var(--transition);
}

.news-timeline-content:hover {
  border-color: rgba(102, 8, 116, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.news-timeline-image {
  height: 100%;
  min-height: 220px;
  overflow: hidden;
}

.news-timeline-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-timeline-content:hover .news-timeline-image img {
  transform: scale(1.05);
}

.news-timeline-text {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-timeline-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}

.news-timeline-text p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 860px) {
  .news-timeline-item {
    flex-direction: column;
    gap: 16px;
  }
  
  .news-timeline-date {
    width: 100%;
    text-align: left;
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding-top: 0;
  }
  
  .news-timeline-content {
    grid-template-columns: 1fr;
  }
  
  .news-timeline-image {
    height: 200px;
    min-height: auto;
  }
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 80px;
}

.page-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.page-num:hover, .page-num.active {
  color: var(--color-text);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

@media (max-width: 768px) {
  .news-card.featured {
    grid-template-columns: 1fr;
  }
  .news-card.featured .news-image {
    min-height: 240px;
  }
  .news-card.featured .news-body {
    padding: 24px;
  }
}

/* ===========================
   CONTACT MODAL
   =========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-bg-card);
  width: 100%;
  max-width: 800px;
  border-radius: var(--radius);
  padding: 48px;
  position: relative;
  transform: translateY(20px);
  transition: all var(--transition);
  border: 1px solid var(--color-border);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255,255,255,0.05);
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text);
}

.modal-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  padding: 14px 16px;
  color: var(--color-text);
  border-radius: 4px;
  outline: none;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--color-bg-card);
  color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.04);
}

.form-group.error input {
  border-color: #ff5252;
  background: rgba(255, 82, 82, 0.05);
}

.error-msg {
  color: #ff5252;
  font-size: 0.75rem;
  margin-top: 6px;
  display: none;
}

.form-group.error .error-msg {
  display: block;
}

.checkbox-group {
  margin-top: 32px;
  margin-bottom: 32px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
}

.checkbox-label input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  width: 18px;
  height: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  flex-shrink: 0;
  position: relative;
  margin-top: 2px;
  transition: all 0.2s;
}

.checkbox-label:hover input ~ .checkmark {
  border-color: var(--color-primary);
}

.checkbox-label input:checked ~ .checkmark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 4px;
  height: 10px;
  border: solid var(--color-bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label input:checked ~ .checkmark:after {
  display: block;
}

.form-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.contact-email-hint {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  font-style: italic;
}

.btn-submit {
  width: 200px;
  justify-content: center;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .modal-content {
    padding: 32px 24px;
  }
}

/* ===========================
   SELECTION
   =========================== */
::selection {
  background: rgba(102, 8, 116, 0.3);
  color: #fff;
}

/* ===========================
   SCROLLBAR
   =========================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border);
}