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

:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #DBEAFE;
  --color-navy: #0A1628;
  --color-navy-light: #0F2440;
  --color-text: #1E293B;
  --color-text-secondary: #475569;
  --color-text-muted: #64748B;
  --color-bg: #FFFFFF;
  --color-bg-gray: #F8FAFC;
  --color-bg-dark: #F1F5F9;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-success: #22C55E;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 200ms ease;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-snap-type: y proximity;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ===== Fade-in Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-placeholder {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.02em;
}

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

.nav-links a {
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  cursor: pointer;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition);
}

.btn-primary {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border: none;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  padding: 0;
  background: #f7f9fd;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  scroll-snap-align: start;
}

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

.hero-bg-image {
  background-image: url('pg-sec1.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: right center;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-container-single {
  grid-template-columns: 1fr;
  justify-items: start;
  max-width: 860px;
  margin: 0 auto 0 0;
  padding-left: max(24px, calc((100vw - var(--max-width)) / 2 + 24px));
  padding-top: 96px;
}

.hero-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(37,99,235,0.08);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-title-accent {
  color: var(--color-primary);
}

.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
}

.btn-hero-primary {
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-hero-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-hero-secondary {
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition);
}

.btn-hero-secondary:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(148,163,184,0.2);
}

/* Hero Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-mockup {
  width: 100%;
  max-width: 480px;
  background: #0F172A;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148,163,184,0.15);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0,0,0,0.3);
}

.mockup-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(15,23,42,0.8);
  border-bottom: 1px solid rgba(148,163,184,0.1);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(148,163,184,0.2);
}

.mockup-body {
  padding: 20px;
}

.chat-user {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.chat-ai {
  display: flex;
  justify-content: flex-start;
}

.chat-bubble {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.5;
}

.user-bubble {
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ai-bubble {
  background: rgba(30,41,59,0.8);
  color: #CBD5E1;
  border: 1px solid rgba(148,163,184,0.1);
  border-bottom-left-radius: 4px;
}

.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
  margin-top: 10px;
  padding: 0 4px;
}

.mini-chart .bar {
  flex: 1;
  background: linear-gradient(to top, #2563EB, #60A5FA);
  border-radius: 3px 3px 0 0;
  min-height: 8px;
}

/* ===== Section Common ===== */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== Capabilities Section ===== */
.capabilities {
  padding: 72px 0;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-snap-align: start;
}

.capabilities-video-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  z-index: 0;
}

.video-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.video-showcase {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  filter: brightness(0.85) contrast(1.05) saturate(0.7);
}

.video-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 30%,
    rgba(255,255,255,0.5) 70%,
    rgba(255,255,255,0.95) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.capabilities-content {
  position: relative;
  z-index: 2;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  align-items: stretch;
}

.cap-card {
  padding: 28px 24px;
  background: rgba(255,255,255,0.30);
  border: 1px solid rgba(37,99,235,0.12);
  border-radius: var(--radius-lg);
  text-align: center;
  backdrop-filter: blur(3px);
  transition: border-color var(--transition), transform var(--transition);
}

.cap-card:hover {
  border-color: rgba(37,99,235,0.3);
  transform: translateY(-4px);
}

.cap-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin: 0 auto 16px;
}

.cap-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.cap-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Deployment Section ===== */
.deployment {
  padding: 72px 0;
  background: var(--color-bg);
}

.deploy-card {
  background: transparent;
  max-width: 1080px;
  margin: 0 auto;
}

.deploy-img-wrap {
  padding: 28px 28px 0;
  display: flex;
  justify-content: center;
}

.deploy-img {
  width: 100%;
  height: auto;
}

.deploy-features {
  padding: 24px 32px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px 32px;
}

.deploy-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.deploy-feature-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  margin-top: 1px;
}

.deploy-footnote {
  text-align: center;
  font-size: 12px;
  color: var(--color-text-muted);
  padding: 0 32px 20px;
  margin: 0;
}

/* ===== Security Section ===== */
.security {
  padding: 72px 0;
  background: var(--color-bg-gray);
}

.security-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.security-visual {
  display: flex;
  justify-content: center;
}

/* ===== Product Showcase ===== */
.product-showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.product-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.product-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.product-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.product-tag {
  font-size: 12px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 100px;
}


.sec-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.sec-item:last-child {
  border-bottom: none;
}

.sec-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.sec-text h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.sec-text p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== How It Works Section ===== */
.how-it-works {
  padding: 72px 0;
  background: var(--color-bg);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step {
  flex: 1;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 24px;
}

.step-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.step-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.step-arrow {
  margin-top: 24px;
  display: none;
}

/* ===== Governance Section ===== */
.governance {
  padding: 72px 0;
  background: var(--color-bg-gray);
}

.governance-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.governance-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.governance-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.governance-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.governance-desc:last-child {
  margin-bottom: 0;
}

.governance-desc strong {
  color: var(--color-text);
  font-weight: 600;
}

.governance-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gov-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.gov-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 50%;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: var(--color-navy);
}

.cta-content {
  text-align: center;
}

.cta-content h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: 16px;
  color: #94A3B8;
  margin-bottom: 28px;
}

.btn-cta {
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border: none;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ===== Footer ===== */
.footer {
  padding: 48px 0 24px;
  background: #0C1222;
  border-top: 1px solid rgba(148,163,184,0.08);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(148,163,184,0.08);
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-desc {
  font-size: 13px;
  color: #64748B;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: #94A3B8;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-col a {
  font-size: 13px;
  color: #64748B;
  text-decoration: none;
  transition: color var(--transition);
  cursor: pointer;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: #475569;
}

.footer-copyright {
  margin-bottom: 6px;
}

.footer-disclaimer {
  font-size: 11px !important;
  color: #3E4C5E !important;
  opacity: 0.7;
}

/* ===== Mobile Share ===== */
.share-btn-mobile {
  display: none;
  margin-top: 16px;
}

.btn-share {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: #07C160;
  border: none;
  padding: 10px 28px;
  border-radius: 100px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background var(--transition);
}

.btn-share:hover {
  background: #06AD56;
}

/* WeChat Share Guide Overlay */
.share-guide {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,0.8);
  display: none;
  flex-direction: column;
  align-items: flex-end;
  padding: 16px 24px;
}

.share-guide.active {
  display: flex;
}

.share-guide-arrow {
  margin-right: 16px;
  margin-top: 4px;
  animation: shareBounce 1.5s ease infinite;
}

@keyframes shareBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.share-guide-text {
  text-align: center;
  margin-top: 16px;
  margin-right: 24px;
}

.share-guide-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.share-guide-dots {
  font-size: 22px;
  letter-spacing: 2px;
}

.share-guide-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.share-guide-hint {
  position: absolute;
  bottom: 60px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

@media (max-width: 768px) {
  .share-btn-mobile {
    display: block;
  }
}

/* ===== Video Player Modal ===== */
.video-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.video-modal {
  width: 90%;
  max-width: 960px;
  position: relative;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  transform: translateY(16px) scale(0.96);
  transition: transform 0.3s ease;
}

.video-overlay.active .video-modal {
  transform: translateY(0) scale(1);
}

.video-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}

.video-close:hover {
  background: rgba(0,0,0,0.8);
  border-color: rgba(255,255,255,0.4);
}

.video-player-wrap {
  position: relative;
}

.video-shield {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: transparent;
}

.video-player-wrap video {
  display: block;
  width: 100%;
  height: auto;
  max-height: 80vh;
  background: #000;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}

.video-player-wrap video::-webkit-media-controls {
  display: none !important;
}

.video-player-wrap video::-webkit-media-controls-enclosure {
  display: none !important;
}

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.video-player-wrap:hover .video-controls,
.video-controls.show {
  opacity: 1;
}

.vc-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vc-progress {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  transition: height 0.15s ease;
}

.vc-progress:hover {
  height: 6px;
}

.vc-progress-buffered {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
}

.vc-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  width: 0;
}

.vc-time {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 80px;
  text-align: right;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,22,40,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 440px;
  padding: 36px;
  position: relative;
  transform: translateY(12px) scale(0.97);
  transition: transform 0.25s ease;
  box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover svg {
  stroke: var(--color-text);
}

.modal-header {
  margin-bottom: 24px;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.modal-header p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group input::placeholder {
  color: #94A3B8;
}

.invite-error {
  display: none;
  font-size: 12px;
  color: #DC2626;
  margin-top: 6px;
  margin-bottom: 0;
}

.invite-error.show {
  display: block;
}

.btn-submit {
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
  margin-top: 4px;
  width: 100%;
}

.btn-submit:hover {
  background: var(--color-primary-dark);
}

.modal-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 20px 0;
}

.modal-success.show {
  display: flex;
}

.modal-success h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-navy);
}

.modal-success p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

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

  .hero-visual {
    display: none;
  }

  .hero-title {
    font-size: 36px;
  }

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

  .security-visual {
    order: 2;
  }

  .security-features {
    order: 1;
  }

  .governance-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px;
  }

  .product-image {
    max-width: 340px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    gap: 12px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 80px 0 0;
    background: #f7f9fd;
  }

  .hero-bg-image {
    display: none;
  }

  .hero-container-single {
    max-width: 100%;
    margin: 0 auto;
    padding-left: 0;
    padding-top: 16px;
  }

  .hero-content {
    padding: 0;
    border-radius: 0;
    background: none;
    backdrop-filter: none;
    text-align: left;
  }

  .hero-stats {
    justify-content: flex-start;
  }

  .hero-actions {
    margin-bottom: 24px;
  }

  .capabilities {
    min-height: auto;
    padding: 48px 0;
  }

  .hero-content {
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-desc br {
    display: none;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 22px;
  }

  .stat-label {
    font-size: 12px;
  }

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

  .btn-hero-primary, .btn-hero-secondary {
    text-align: center;
    padding: 12px 20px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-desc {
    font-size: 14px;
  }

  .capabilities-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .cap-card {
    padding: 20px 16px;
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .step {
    max-width: 100%;
  }

  .step-arrow {
    display: none;
  }

  .step-number {
    font-size: 32px;
    margin-bottom: 8px;
  }

  .governance-card {
    padding: 28px;
  }

  .governance-title {
    font-size: 20px;
  }

  .cta-content h2 {
    font-size: 24px;
  }

  .footer-content {
    display: none;
  }

  .capabilities,
  .security,
  .how-it-works,
  .governance,
  .deployment {
    padding: 48px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .product-image {
    max-width: 280px;
  }

  .deploy-features {
    grid-template-columns: 1fr 1fr;
    padding: 20px 24px 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .nav-container {
    padding: 0 16px;
  }

  .hero {
    min-height: auto;
    padding: 72px 0 0;
  }

  .capabilities {
    min-height: auto;
    scroll-snap-align: none;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .stat-divider {
    display: none;
  }

  .hero-stats .stat-item {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }

  .stat-number {
    font-size: 18px;
  }

  .modal {
    padding: 28px 24px;
  }

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

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

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-snap-type: none;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}