/* roulang page: index */
:root {
      --primary: #1E40AF;
      --primary-hover: #1D4ED8;
      --accent: #0EA5E9;
      --success: #10B981;
      --warning: #F59E0B;
      --danger: #EF4444;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 10px 15px -3px rgba(15, 23, 42, 0.03);
      --shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --container-max: 1240px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Utility Bar */
    .top-bar {
      background-color: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.8125rem;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-status-list {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .status-dot-pulse {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--success);
      margin-right: 6px;
      box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
    }
    .top-links {
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .lang-pill {
      background: #F1F5F9;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 500;
    }

    /* Main Header Navigation */
    .site-header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 4px rgba(15, 23, 42, 0.02);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--primary);
    }
    .logo-icon-badge {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
      box-shadow: 0 4px 10px rgba(30, 64, 175, 0.25);
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 32px;
      align-items: center;
    }
    .nav-links a {
      font-weight: 500;
      color: var(--text-body);
      font-size: 0.95rem;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .nav-cta {
      background: var(--primary);
      color: #ffffff !important;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
    }
    .nav-cta:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    /* Mobile Nav Toggle */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* Section Global */
    section {
      padding: 88px 0;
      position: relative;
    }
    .section-light {
      background-color: #F8FAFC;
    }
    .section-white {
      background-color: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      background: rgba(30, 64, 175, 0.08);
      padding: 6px 14px;
      border-radius: 9999px;
      margin-bottom: 14px;
    }
    .section-tag-dark {
      color: var(--accent);
      background: rgba(14, 165, 233, 0.15);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.0625rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Card System */
    .card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--shadow-md);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }

    /* Button System */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.25s ease;
      text-align: center;
      border: 1px solid transparent;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(30, 64, 175, 0.25);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(30, 64, 175, 0.35);
    }
    .btn-outline {
      background-color: #FFFFFF;
      color: var(--primary);
      border-color: #CBD5E1;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      background-color: #F8FAFC;
    }
    .btn-accent {
      background-color: var(--accent);
      color: #FFFFFF;
    }
    .btn-accent:hover {
      background-color: #0284C7;
      transform: translateY(-2px);
    }

    /* Plate 1: Hero Section */
    .hero-section {
      position: relative;
      padding: 70px 0 90px 0;
      overflow: hidden;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
    }
    .hero-banner-bg {
      position: absolute;
      top: 0;
      right: 0;
      width: 55%;
      height: 100%;
      background: url('/assets/images/33bea968a02bcf1a.webp') no-repeat center right;
      background-size: cover;
      opacity: 0.12;
      pointer-events: none;
      mask-image: linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
      -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .promo-blast {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #EFF6FF;
      border: 1px solid #BFDBFE;
      color: var(--primary);
      padding: 6px 14px;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .promo-blast .blast-badge {
      background: #EF4444;
      color: #FFF;
      font-size: 0.7rem;
      padding: 2px 7px;
      border-radius: 4px;
      text-transform: uppercase;
    }
    .hero-title {
      font-size: 3.1rem;
      line-height: 1.18;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 24px;
      letter-spacing: -0.03em;
    }
    .hero-desc {
      font-size: 1.125rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }
    .hero-countdown-box {
      display: flex;
      align-items: center;
      gap: 12px;
      background: #FFFFFF;
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border: 1px dashed #CBD5E1;
      width: fit-content;
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .countdown-timer {
      font-family: monospace;
      font-weight: 700;
      color: var(--primary);
      background: #F1F5F9;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.95rem;
    }

    /* Hero Right Visual Mockup */
    .hero-display-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
      padding: 24px;
      position: relative;
    }
    .live-stream-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 14px;
      margin-bottom: 16px;
    }
    .event-stream-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px;
      border-radius: var(--radius-sm);
      background: #F8FAFC;
      margin-bottom: 10px;
      border-left: 4px solid var(--primary);
    }
    .event-stream-row.secondary {
      border-left-color: var(--accent);
    }
    .stream-meta {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }
    .stream-title {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .stream-badge {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .badge-live {
      background: #FEE2E2;
      color: #DC2626;
    }
    .badge-lang {
      background: #E0F2FE;
      color: #0284C7;
    }

    /* Plate 2: Pain Points */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      position: relative;
      overflow: hidden;
    }
    .pain-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: #CBD5E1;
    }
    .pain-card.active::before {
      background: var(--danger);
    }
    .pain-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 20px;
      background: #FEF2F2;
      color: #DC2626;
    }
    .pain-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .pain-text {
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* Plate 3: About Product & Spec Standard */
    .spec-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .spec-media-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .spec-media-wrap img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .spec-overlay-info {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .spec-content h3 {
      font-size: 1.85rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .spec-list {
      list-style: none;
      margin-top: 24px;
    }
    .spec-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 16px;
    }
    .spec-bullet {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: #DCFCE7;
      color: #16A34A;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 3px;
    }

    /* Plate 4: Core Advantages */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 30px;
      transition: all 0.3s;
    }
    .adv-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .adv-icon-wrap {
      width: 52px;
      height: 52px;
      background: #EFF6FF;
      color: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .adv-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .adv-card p {
      font-size: 0.925rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* Plate 5: Hot Products */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-md);
      transition: all 0.3s;
    }
    .product-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .product-img {
      height: 200px;
      width: 100%;
      object-fit: cover;
    }
    .product-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: #EFF6FF;
      padding: 4px 10px;
      border-radius: 4px;
      width: fit-content;
      margin-bottom: 14px;
    }
    .product-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .product-desc {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    /* Plate 6: Dark Architecture Flow */
    .arch-flow-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      margin-top: 40px;
    }
    .arch-step-card {
      background: #1E293B;
      border: 1px solid #334155;
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
    }
    .step-num {
      font-size: 0.8125rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 10px;
      display: block;
      letter-spacing: 0.05em;
    }
    .arch-step-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 10px;
    }
    .arch-step-text {
      font-size: 0.875rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* Plate 7: User Stories */
    .story-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
      margin-bottom: 64px;
    }
    .story-block:last-child {
      margin-bottom: 0;
    }
    .story-block.reversed {
      direction: rtl;
    }
    .story-block.reversed > * {
      direction: ltr;
    }
    .story-img-container {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .story-img-container img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }
    .story-badge {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: #059669;
      background: #ECFDF5;
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 14px;
    }
    .story-title {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .story-p {
      font-size: 0.975rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .story-stat-row {
      display: flex;
      gap: 32px;
      border-top: 1px solid var(--border-color);
      padding-top: 18px;
    }
    .story-stat-val {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
    }
    .story-stat-lbl {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Plate 8: Key Metrics */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }
    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .metric-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }
    .metric-number {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 10px;
      letter-spacing: -0.03em;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 700;      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Plate 9: Testimonials */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }
    .testi-quote {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-info p {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Plate 10: News & Insights */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-bottom: 40px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-card-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .news-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-excerpt {
      font-size: 0.875rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* Plate 11: FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .faq-item details {
      width: 100%;
    }
    .faq-item summary {
      padding: 22px 28px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "+";
      font-size: 1.4rem;
      color: var(--primary);
      transition: transform 0.25s;
    }
    .faq-item details[open] summary::after {
      content: "−";
    }
    .faq-content {
      padding: 0 28px 24px 28px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      padding-top: 16px;
    }

    /* Plate 12: CTA & Lead Form */
    .cta-container {
      background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
      border: 1px solid #BFDBFE;
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .cta-text h3 {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-text p {
      font-size: 1.05rem;
      color: var(--text-body);
      margin-bottom: 28px;
      line-height: 1.65;
    }
    .cta-badge-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .cta-badge-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.925rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .cta-badge-item span {
      color: var(--primary);
      font-weight: 800;
    }
    .form-panel {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: var(--text-main);
      outline: none;
      background: #F8FAFC;
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      background: #FFFFFF;
    }
    .form-btn {
      width: 100%;
      padding: 13px;
      background: var(--primary);
      color: #FFFFFF;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
      transition: background-color 0.25s;
    }
    .form-btn:hover {
      background: var(--primary-hover);
    }

    /* Footer */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 72px 0 32px 0;
      border-top: 1px solid #1E293B;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-brand-title {
      color: #FFFFFF;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1E293B;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      color: #64748B;
    }
    .footer-bottom-bar a {
      color: #64748B;
      margin-left: 16px;
    }
    .footer-bottom-bar a:hover {
      color: #CBD5E1;
    }

    /* Responsive Breakpoints */
    @media (max-width: 1024px) {
      .hero-grid, .spec-grid, .cta-container {
        grid-template-columns: 1fr;
      }
      .pain-grid, .adv-grid, .product-grid, .testi-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-flow-wrap, .metric-grid, .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .story-block, .story-block.reversed {
        grid-template-columns: 1fr;
        direction: ltr !important;
      }
      .story-block.reversed > * {
        direction: ltr !important;
      }
      .hero-title {
        font-size: 2.5rem;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links, .nav-cta {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .pain-grid, .adv-grid, .product-grid, .testi-grid, .news-grid, .arch-flow-wrap, .metric-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.8rem;
      }
      .hero-title {
        font-size: 2rem;
      }
      .cta-container {
        padding: 32px 20px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .footer-bottom-bar a {
        margin: 0 8px;
      }
    }

    /* Mobile Drawer */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      width: 100%;
      height: calc(100vh - 72px);
      background: #FFFFFF;
      padding: 24px;
      z-index: 99;
      flex-direction: column;
      gap: 16px;
      border-top: 1px solid var(--border-color);
    }
    .mobile-drawer.active {
      display: flex;
    }
    .mobile-drawer a {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 10px 0;
      border-bottom: 1px solid #F1F5F9;
    }