.btn {
          display: inline-flex;
          align-items: center;
          justify-content: center;
          gap: var(--space-xs);
          font-family: var(--font-sans);
          font-weight: var(--font-weight-semibold);
          border-radius: var(--radius-md);
          border: none;
          cursor: pointer;
          transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
          text-decoration: none;
        }

        .btn:hover:not(:disabled) {
          transform: translateY(-2px);
        }

        .btn:active:not(:disabled) {
          transform: translateY(0);
        }

        .btn:disabled {
          opacity: 0.5;
          cursor: not-allowed;
        }

        /* Variants */
        .btn-primary {
          background: var(--gradient-primary);
          color: white;
        }

        .btn-primary:hover:not(:disabled) {
          box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
          background: var(--color-bg-tertiary);
          color: var(--color-text-primary);
        }

        .btn-secondary:hover:not(:disabled) {
          background: var(--color-bg-secondary);
          box-shadow: var(--shadow-md);
        }

        .btn-outline {
          background: transparent;
          color: var(--color-accent-primary);
          border: var(--border-width-thick) solid var(--color-accent-primary);
        }

        .btn-outline:hover:not(:disabled) {
          background: var(--color-accent-primary);
          color: white;
        }

        .btn-ghost {
          background: transparent;
          color: var(--color-text-secondary);
        }

        .btn-ghost:hover:not(:disabled) {
          background: var(--color-bg-secondary);
          color: var(--color-text-primary);
        }

        /* Sizes */
        .btn-sm {
          padding: var(--space-xs) var(--space-md);
          font-size: var(--font-size-sm);
        }

        .btn-md {
          padding: var(--space-sm) var(--space-lg);
          font-size: var(--font-size-base);
        }

        .btn-lg {
          padding: var(--space-md) var(--space-xl);
          font-size: var(--font-size-lg);
        }
      


        .glass-nav {
          margin: 20px 20px 0;
          padding: 16px 32px;
          border-radius: 16px;
          position: sticky;
          top: 20px;
          z-index: 100;
        }

        .nav-container {
          display: flex;
          align-items: center;
          justify-content: space-between;
          gap: 32px;
        }

        .nav-logo {
          text-decoration: none;
        }

        .logo-text {
          font-size: 24px;
          font-weight: 800;
          background: linear-gradient(135deg, #fff 0%, #8b5cf6 100%);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          background-clip: text;
        }

        .nav-links {
          display: flex;
          align-items: center;
          gap: 32px;
          flex: 1;
          justify-content: center;
        }

        .nav-link {
          color: rgba(255, 255, 255, 0.8);
          text-decoration: none;
          font-size: 15px;
          font-weight: 500;
          transition: color 0.2s;
          text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .nav-link:hover,
        .nav-link.active {
          color: #fff;
        }

        .nav-cta {
          flex-shrink: 0;
        }

        /* Hamburger — hidden on desktop */
        .nav-hamburger {
          display: none;
          flex-direction: column;
          gap: 5px;
          padding: 8px;
          cursor: pointer;
          background: none;
          border: none;
        }

        .hamburger-line {
          display: block;
          width: 24px;
          height: 2px;
          background: rgba(255, 255, 255, 0.9);
          border-radius: 2px;
          transition: transform 0.3s, opacity 0.3s;
        }

        .hamburger-line.open:nth-child(1) {
          transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger-line.open:nth-child(2) {
          opacity: 0;
        }

        .hamburger-line.open:nth-child(3) {
          transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile dropdown — hidden on desktop */
        .nav-mobile-dropdown {
          display: none;
        }

        /* ===== MOBILE ===== */
        @media (max-width: 768px) {
          .glass-nav {
            margin: 10px 10px 0;
            padding: 12px 16px;
          }

          .nav-links {
            display: none;
          }

          .nav-cta {
            display: none;
          }

          .nav-hamburger {
            display: flex;
          }

          .nav-mobile-dropdown {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
          }

          .nav-mobile-link {
            display: block;
            padding: 10px 12px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
          }

          .nav-mobile-link:hover,
          .nav-mobile-link.active {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
          }

          .nav-mobile-cta {
            margin-top: 8px;
            text-decoration: none;
          }
        }
      


        /* Screenshot frame — let the product breathe */
        .store-shot-frame {
          border-radius: 16px;
          overflow: hidden;
          border: 1px solid rgba(255,255,255,0.08);
          box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
          background: rgba(0,0,0,0.4);
        }
        .store-shot-img {
          display: block;
          width: 100%;
          height: auto;
        }
        .store-shot-cap {
          text-align: center;
          color: rgba(255,255,255,0.55);
          font-style: italic;
          font-size: 15px;
          margin-top: 20px;
        }

        /* Active Alerts — three asymmetric, real numbers dominant */
        .store-alerts-grid {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 20px;
          margin-top: 40px;
        }
        @media (max-width: 900px) {
          .store-alerts-grid { grid-template-columns: 1fr; }
        }
        .store-alert {
          padding: 28px 28px 24px;
          border-radius: 14px;
          display: flex;
          flex-direction: column;
          gap: 14px;
        }
        .store-alert-badge {
          font-family: 'JetBrains Mono', monospace;
          font-size: 11px;
          letter-spacing: 0.12em;
          color: rgba(255,255,255,0.55);
          text-transform: uppercase;
        }
        .store-alert-metric {
          display: flex;
          align-items: baseline;
          gap: 10px;
          font-feature-settings: 'tnum';
        }
        .store-alert-num {
          font-family: 'JetBrains Mono', monospace;
          font-size: 44px;
          font-weight: 700;
          line-height: 1;
          letter-spacing: -0.02em;
        }
        .store-alert-unit {
          color: rgba(255,255,255,0.5);
          font-size: 14px;
          font-weight: 500;
        }
        .store-alert-line {
          color: rgba(255,255,255,0.92);
          font-size: 16px;
          font-weight: 500;
          line-height: 1.4;
        }
        .store-alert-detail {
          color: rgba(255,255,255,0.6);
          font-size: 13.5px;
          line-height: 1.6;
        }

        /* Store Health — six dimensions, ramp colors */
        .store-health-grid {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: 20px 40px;
          margin-top: 40px;
        }
        @media (max-width: 720px) {
          .store-health-grid { grid-template-columns: 1fr; }
        }
        .store-health-row {
          display: flex;
          justify-content: space-between;
          align-items: baseline;
          margin-bottom: 8px;
        }
        .store-health-name {
          color: rgba(255,255,255,0.92);
          font-size: 15px;
          font-weight: 500;
        }
        .store-health-score {
          font-family: 'JetBrains Mono', monospace;
          font-size: 22px;
          font-weight: 700;
          font-feature-settings: 'tnum';
        }
        .store-health-bar {
          height: 6px;
          background: rgba(255,255,255,0.06);
          border-radius: 999px;
          overflow: hidden;
        }
        .store-health-fill {
          height: 100%;
          border-radius: 999px;
          transition: width 600ms cubic-bezier(0.22, 1, 0.36, 1);
        }
        .store-health-line {
          color: rgba(255,255,255,0.55);
          font-size: 13.5px;
          margin-top: 8px;
          line-height: 1.5;
        }

        /* Tool clusters — asymmetric, mixed sizes */
        .store-clusters {
          display: grid;
          grid-template-columns: 1.4fr 1fr 1fr;
          grid-template-rows: auto auto;
          gap: 20px;
          margin-top: 40px;
        }
        .store-cluster:nth-child(1) { grid-column: 1 / 2; grid-row: 1 / 2; }
        .store-cluster:nth-child(2) { grid-column: 2 / 3; grid-row: 1 / 2; }
        .store-cluster:nth-child(3) { grid-column: 3 / 4; grid-row: 1 / 2; }
        .store-cluster:nth-child(4) { grid-column: 1 / 2; grid-row: 2 / 3; }
        .store-cluster:nth-child(5) { grid-column: 2 / 4; grid-row: 2 / 3; }
        @media (max-width: 980px) {
          .store-clusters { grid-template-columns: 1fr; grid-template-rows: auto; }
          .store-cluster { grid-column: 1 / 2 !important; grid-row: auto !important; }
        }
        .store-cluster {
          padding: 28px 28px 24px;
          border-radius: 14px;
          display: flex;
          flex-direction: column;
          gap: 14px;
        }
        .store-cluster-head {
          display: flex;
          align-items: center;
          gap: 16px;
          padding-bottom: 14px;
          border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .store-cluster-num {
          font-family: 'JetBrains Mono', monospace;
          font-size: 28px;
          font-weight: 700;
          color: rgba(168,85,247,0.85);
          line-height: 1;
          min-width: 32px;
        }
        .store-cluster-name {
          color: rgba(255,255,255,0.95);
          font-size: 18px;
          font-weight: 600;
          margin: 0;
        }
        .store-cluster-count {
          color: rgba(255,255,255,0.5);
          font-size: 12.5px;
          font-family: 'JetBrains Mono', monospace;
        }
        .store-cluster-hook {
          color: rgba(255,255,255,0.85);
          font-size: 15px;
          font-weight: 500;
          line-height: 1.4;
          margin: 0;
          font-style: italic;
        }
        .store-cluster-tools {
          list-style: none;
          padding: 0;
          margin: 0;
          display: flex;
          flex-direction: column;
          gap: 10px;
        }
        .store-cluster-tools li {
          display: flex;
          flex-direction: column;
          gap: 3px;
          padding: 10px 12px;
          background: rgba(255,255,255,0.025);
          border-radius: 8px;
        }
        .store-cluster-tools code {
          font-family: 'JetBrains Mono', monospace;
          font-size: 12.5px;
          color: rgba(6,182,212,0.95);
          font-weight: 600;
        }
        .store-cluster-desc {
          color: rgba(255,255,255,0.65);
          font-size: 13px;
          line-height: 1.5;
        }

        /* Integrations — neutral pill row */
        .store-integrations {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 12px;
          margin-top: 28px;
        }
        .store-integration {
          padding: 10px 20px;
          border: 1px solid rgba(255,255,255,0.12);
          border-radius: 999px;
          color: rgba(255,255,255,0.78);
          font-size: 14px;
          font-weight: 500;
          background: rgba(255,255,255,0.025);
        }

        /* FORTRESS — three quiet items */
        .store-fortress-grid {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 32px;
          margin-top: 40px;
        }
        @media (max-width: 720px) {
          .store-fortress-grid { grid-template-columns: 1fr; }
        }
        .store-fortress-item h4 {
          color: rgba(255,255,255,0.95);
          font-size: 17px;
          font-weight: 600;
          margin: 0 0 8px;
        }
        .store-fortress-item p {
          color: rgba(255,255,255,0.6);
          font-size: 14px;
          line-height: 1.6;
          margin: 0;
        }