/* Reset & Base */
      *,
      *::before,
      *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
      }

      :root {
        --bg-body: #000000;
        --bg-card: #161617;
        /* Apple Dark Grey */
        --bg-card-hover: #1d1d1f;
        --text-primary: #f5f5f7;
        --text-secondary: #86868b;
        --accent-blue: #2997ff;
        --accent-blue-hover: #0071e3;
        --border: rgba(255, 255, 255, 0.1);
      }

      body {
        font-family:
          -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
          Helvetica, Arial, sans-serif;
        background-color: var(--bg-body);
        color: var(--text-primary);
        line-height: 1.5;
        overflow-x: hidden;
      }

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

      /* Typography */
      h1,
      h2,
      h3,
      h4 {
        font-weight: 600;
        letter-spacing: -0.02em;
      }

      p {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.6;
      }

      /* Icons */
      .icon {
        width: 24px;
        height: 24px;
        stroke: currentColor;
        stroke-width: 2;
        stroke-linecap: round;
        stroke-linejoin: round;
        fill: none;
      }

      .icon-sm {
        width: 18px;
        height: 18px;
      }

      .icon-lg {
        width: 32px;
        height: 32px;
      }

      /* Layout Utility */
      .container {
        max-width: 980px;
        margin: 0 auto;
        padding: 0 22px;
      }

      @media (min-width: 1024px) {
        .container {
          max-width: 1100px;
        }
      }

      /* Navigation */
      .nav-wrapper {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 9999;
        background: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      }

      nav {
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
      }

      .nav-logo {
        font-weight: 600;
        font-size: 16px;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 8px;
        opacity: 0.9;
        transition: opacity 0.2s;
      }

      .nav-logo img {
        width: 20px;
        height: 20px;
        border-radius: 4px;
      }

      .nav-logo:hover {
        opacity: 1;
      }

      .nav-links {
        display: none;
        gap: 24px;
        align-items: center;
      }

      @media (min-width: 768px) {
        .nav-links {
          display: flex;
        }
      }

      .nav-link {
        color: #e8e8ed;
        opacity: 0.8;
        transition: opacity 0.2s;
        font-size: 13px;
      }

      .nav-link:hover {
        opacity: 1;
      }

      .nav-mobile-cta {
        display: inline-flex;
        align-items: center;
        min-height: 30px;
        padding: 0 13px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.07);
        color: #f5f5f7;
        font-size: 12px;
        font-weight: 500;
      }

      @media (min-width: 768px) {
        .nav-mobile-cta {
          display: none;
        }
      }

      /* Hero */
      .hero {
        padding-top: 160px;
        padding-bottom: 100px;
        text-align: center;
        position: relative;
      }

      .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        border-radius: 20px;
        border: 1px solid rgba(41, 151, 255, 0.3);
        background: rgba(41, 151, 255, 0.1);
        color: var(--accent-blue);
        font-size: 12px;
        font-weight: 500;
        margin-bottom: 24px;
        opacity: 0;
        animation: fadeIn 1s ease forwards;
      }

      .hero-title {
        font-size: 56px;
        line-height: 1.15;
        font-weight: 700;
        margin-bottom: 16px;
        background: linear-gradient(180deg, #ffffff 0%, #64b5f6 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        opacity: 0;
        animation: fadeIn 1s ease 0.2s forwards;
      }

      .hero-subtitle {
        font-size: 24px;
        line-height: 1.35;
        color: #a1a1a6;
        max-width: 650px;
        margin: 0 auto 32px;
        font-weight: 400;
        opacity: 0;
        animation: fadeIn 1s ease 0.4s forwards;
      }

      @media (min-width: 768px) {
        .hero-title {
          font-size: 72px;
        }

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

      .cta-group {
        display: flex;
        gap: 16px;
        justify-content: center;
        margin-bottom: 80px;
        opacity: 0;
        animation: fadeIn 1s ease 0.6s forwards;
      }

      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 980px;
        padding: 14px 28px;
        font-size: 17px;
        font-weight: 500;
        transition: all 0.3s ease;
        gap: 8px;
      }

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

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

      .btn-link {
        color: var(--accent-blue);
        padding: 14px 10px;
      }

      .btn-link:hover {
        text-decoration: underline;
      }

      .btn-secondary {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--text-primary);
        position: relative;
        overflow: hidden;
      }

      .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.15);
      }

      .btn-secondary svg {
        opacity: 0.8;
      }

      .btn-badge {
        display: inline-flex;
        align-items: center;
        font-size: 10px;
        font-weight: 600;
        padding: 3px 7px;
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-secondary);
        letter-spacing: 0.02em;
        text-transform: none;
        margin-left: 4px;
      }

      /* Mobile Optimizations for Buttons */
      @media (max-width: 768px) {
        .cta-group {
          flex-direction: row;
          justify-content: center;
          gap: 12px;
        }

        .btn {
          padding: 12px 18px;
          font-size: 14px;
          white-space: nowrap;
        }

        .btn-badge {
          font-size: 9px;
          padding: 2px 5px;
        }
      }

      /* Extra small screens - slightly more compact */
      @media (max-width: 400px) {
        .cta-group {
          gap: 8px;
        }

        .btn {
          padding: 10px 14px;
          font-size: 13px;
        }
      }

      /* Hero Image */
      .hero-image-wrapper {
        margin: 0 auto;
        max-width: 1000px;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        background: #1d1d1f;
        box-shadow: 0 50px 100px -20px rgba(0, 0, 0, 0.6);
        overflow: hidden;
        position: relative;
        opacity: 0;
        transform: translateY(40px);
        animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
      }

      .hero-image-wrapper img {
        width: 100%;
        height: auto;
        display: block;
      }

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

      @keyframes fadeInUp {
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      /* Bento Grid Refined */
      .grid-section {
        padding: 120px 0;
        background: #000;
      }

      .section-header {
        text-align: center;
        margin-bottom: 80px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
      }

      .section-label {
        color: var(--accent-blue);
        font-weight: 600;
        font-size: 14px;
        margin-bottom: 12px;
        display: block;
        letter-spacing: 0.02em;
      }

      .section-title {
        font-size: 36px;
        font-weight: 700;
        margin-bottom: 16px;
        line-height: 1.1;
      }

      @media (min-width: 768px) {
        .section-title {
          font-size: 48px;
        }
      }

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

      @media (min-width: 768px) {
        .bento-grid {
          grid-template-columns: repeat(2, 1fr);
        }
      }

      @media (min-width: 1024px) {
        .bento-grid {
          grid-template-columns: repeat(3, 1fr);
          grid-auto-rows: minmax(360px, auto);
          /* Compact height */
        }

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

        .grid-row-2 {
          grid-row: span 2;
        }
      }

      .bento-card {
        background: var(--bg-card);
        border-radius: 24px;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        position: relative;
        transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        border: 1px solid rgba(255, 255, 255, 0.06);
        padding: 0;
        box-shadow:
          0 0 0 1px rgba(255, 255, 255, 0.03) inset,
          0 2px 20px rgba(0, 0, 0, 0.2);
      }

      .bento-card:hover {
        transform: translateY(-4px);
        border-color: rgba(255, 255, 255, 0.12);
        box-shadow:
          0 0 0 1px rgba(255, 255, 255, 0.05) inset,
          0 20px 40px -10px rgba(0, 0, 0, 0.5);
      }

      /* Inner container for text */
      .card-content {
        padding: 32px;
        z-index: 2;
        position: relative;
        pointer-events: none;
      }

      .card-icon-wrapper {
        width: 44px;
        height: 44px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        color: #fff;
      }

      .card-title {
        font-size: 22px;
        font-weight: 600;
        margin-bottom: 10px;
        color: #f5f5f7;
        letter-spacing: -0.01em;
      }

      .card-desc {
        font-size: 15px;
        color: #86868b;
        line-height: 1.5;
      }

      /* Visual Areas */
      .card-visual {
        position: relative;
        width: 100%;
        flex-grow: 1;
        /* Allow it to fill space */
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 24px;
        overflow: hidden;
        background: transparent;
      }

      /* Ambient Card Visual */
      .ambient-card {
        background: #0a0a0a;
        position: relative;
        overflow: hidden;
        min-height: 320px;
      }

      /* Ambient glow background */
      .ambient-card::before {
        content: "";
        position: absolute;
        top: 0;
        right: -100px;
        bottom: 0;
        width: 70%;
        background: radial-gradient(
          ellipse at 80% 50%,
          rgba(255, 107, 107, 0.25) 0%,
          rgba(255, 159, 67, 0.15) 30%,
          transparent 70%
        );
        z-index: 0;
        animation: ambientPulse 4s ease-in-out infinite;
      }

      .ambient-card .card-content {
        position: relative;
        z-index: 2;
        max-width: 55%;
      }

      .ambient-preview {
        position: absolute;
        right: -40px;
        bottom: -20px;
        width: 280px;
        height: 320px;
        z-index: 1;
      }

      .ambient-doc {
        width: 100%;
        height: 100%;
        background: linear-gradient(180deg, #1a1a1a 0%, #141414 100%);
        border-radius: 16px 0 0 0;
        position: relative;
        box-shadow:
          0 0 80px 40px rgba(255, 107, 107, 0.12),
          0 0 120px 60px rgba(255, 159, 67, 0.08),
          -20px 0 60px rgba(0, 0, 0, 0.5);
        display: flex;
        flex-direction: column;
        padding: 28px;
        gap: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-right: none;
        border-bottom: none;
      }

      .ambient-doc .doc-header {
        width: 50%;
        height: 10px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 5px;
        margin-bottom: 8px;
      }

      .doc-line {
        height: 8px;
        background: rgba(255, 255, 255, 0.06);
        border-radius: 4px;
      }

      .doc-line:nth-child(2) {
        width: 100%;
      }
      .doc-line:nth-child(3) {
        width: 95%;
      }
      .doc-line:nth-child(4) {
        width: 85%;
      }
      .doc-line:nth-child(5) {
        width: 90%;
      }
      .doc-line:nth-child(6) {
        width: 70%;
      }

      @keyframes ambientPulse {
        0%,
        100% {
          opacity: 0.8;
        }
        50% {
          opacity: 1;
        }
      }

      /* Mobile: Stack layout - visual at bottom */
      @media (max-width: 768px) {
        .ambient-card {
          min-height: 0;
        }

        .ambient-card .card-content {
          max-width: 100%;
          padding-bottom: 180px;
        }

        .ambient-card::before {
          top: auto;
          right: 0;
          bottom: 0;
          left: 0;
          width: 100%;
          height: 200px;
          background: radial-gradient(
            ellipse at 50% 100%,
            rgba(255, 107, 107, 0.25) 0%,
            rgba(255, 159, 67, 0.15) 30%,
            transparent 70%
          );
        }

        .ambient-preview {
          right: 50%;
          transform: translateX(50%);
          bottom: -30px;
          top: auto;
          width: 220px;
          height: 180px;
        }

        .ambient-doc {
          border-radius: 16px 16px 0 0;
          border: 1px solid rgba(255, 255, 255, 0.08);
          border-bottom: none;
          padding: 20px;
        }
      }

      /* Focus Card */
      .focus-card {
        background: #0a0a0c;
        position: relative;
        overflow: hidden;
      }

      .focus-preview {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px 16px 28px;
        position: relative;
        min-height: 200px;
      }

      /* Ambient glow behind the document */
      .focus-preview::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 180px;
        height: 160px;
        background: radial-gradient(
          ellipse at center,
          rgba(100, 140, 200, 0.25) 0%,
          rgba(80, 120, 180, 0.12) 40%,
          transparent 70%
        );
        pointer-events: none;
        z-index: 0;
        filter: blur(20px);
      }

      .focus-scene {
        position: relative;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      /* Side navigation buttons */
      .focus-nav-btn {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
      }

      .focus-nav-btn svg {
        width: 12px;
        height: 12px;
        color: rgba(255, 255, 255, 0.5);
        stroke-width: 2;
      }

      .focus-nav-btn.prev {
        left: 8px;
      }

      .focus-nav-btn.next {
        right: 8px;
      }

      .focus-doc {
        width: 100px;
        background: #fff;
        border-radius: 4px;
        padding: 12px 10px;
        position: relative;
        z-index: 2;
        box-shadow:
          0 0 60px 20px rgba(100, 140, 200, 0.15),
          0 8px 32px rgba(0, 0, 0, 0.4);
      }

      .focus-doc-header {
        width: 50%;
        height: 5px;
        background: #1a1a1a;
        border-radius: 2px;
        margin-bottom: 8px;
      }

      .focus-doc .doc-line {
        height: 3px;
        margin-bottom: 5px;
        background: rgba(0, 0, 0, 0.08);
        border-radius: 2px;
      }

      .focus-doc .doc-line:nth-child(2) {
        width: 100%;
      }
      .focus-doc .doc-line:nth-child(3) {
        width: 90%;
      }
      .focus-doc .doc-line:nth-child(4) {
        width: 95%;
      }
      .focus-doc .doc-line:nth-child(5) {
        width: 75%;
      }

      .focus-doc .doc-line:last-child {
        margin-bottom: 0;
      }

      /* Floating toolbar */
      .focus-toolbar {
        position: absolute;
        bottom: 12px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 6px 10px;
        background: rgba(30, 30, 35, 0.9);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        z-index: 10;
      }

      .toolbar-btn {
        width: 20px;
        height: 20px;
        border-radius: 5px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
      }

      .toolbar-btn svg {
        width: 10px;
        height: 10px;
        color: rgba(255, 255, 255, 0.5);
        stroke-width: 2;
      }

      .toolbar-btn.active {
        background: rgba(255, 180, 100, 0.2);
      }

      .toolbar-btn.active svg {
        color: rgba(255, 180, 100, 0.9);
      }

      .toolbar-divider {
        width: 1px;
        height: 12px;
        background: rgba(255, 255, 255, 0.1);
        margin: 0 2px;
      }

      .toolbar-page {
        font-size: 8px;
        color: rgba(255, 255, 255, 0.5);
        padding: 0 4px;
        font-weight: 500;
      }

      /* Search Card */
      .search-card {
        background: #0a0a0a;
      }

      .search-preview {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        padding: 20px 28px 28px;
      }

      .search-input-demo {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 10px;
        padding: 10px 14px;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
      }

      .search-input-demo svg {
        width: 16px;
        height: 16px;
        color: rgba(255, 255, 255, 0.3);
        flex-shrink: 0;
      }

      .search-input-demo span {
        color: rgba(255, 255, 255, 0.4);
        font-size: 13px;
      }

      .search-results-demo {
        display: flex;
        flex-direction: column;
        gap: 6px;
      }

      .search-result-item {
        background: rgba(255, 255, 255, 0.02);
        border-radius: 8px;
        padding: 10px 12px;
        display: flex;
        align-items: center;
        gap: 10px;
        border: 1px solid transparent;
      }

      .search-result-item.highlighted {
        background: rgba(41, 151, 255, 0.08);
        border-color: rgba(41, 151, 255, 0.2);
      }

      .result-page {
        font-size: 10px;
        color: rgba(255, 255, 255, 0.35);
        background: rgba(255, 255, 255, 0.06);
        padding: 3px 6px;
        border-radius: 4px;
        font-weight: 500;
        flex-shrink: 0;
      }

      .result-text {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
        line-height: 1.4;
      }

      .result-text mark {
        background: rgba(41, 151, 255, 0.25);
        color: rgba(255, 255, 255, 0.9);
        padding: 1px 3px;
        border-radius: 2px;
      }

      /* Privacy Card */
      .privacy-card {
        background: #000;
        position: relative;
        overflow: hidden;
      }

      .privacy-preview {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 24px;
        position: relative;
      }

      .privacy-visual {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      /* Glow behind the shield */
      .privacy-visual::before {
        content: "";
        position: absolute;
        width: 160px;
        height: 160px;
        background: radial-gradient(
          circle,
          rgba(48, 209, 88, 0.2) 0%,
          transparent 70%
        );
        pointer-events: none;
        z-index: 0;
      }

      .privacy-shield {
        width: 64px;
        height: 64px;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 2;
      }

      .privacy-shield svg {
        width: 56px;
        height: 56px;
        color: #30d158;
        filter: drop-shadow(0 0 20px rgba(48, 209, 88, 0.3));
      }

      .privacy-ring {
        position: absolute;
        width: 100px;
        height: 100px;
        border: 1px solid rgba(48, 209, 88, 0.15);
        border-radius: 50%;
        animation: privacyPulse 3s ease-in-out infinite;
      }

      .privacy-ring:nth-child(2) {
        width: 130px;
        height: 130px;
        animation-delay: 0.5s;
        border-color: rgba(48, 209, 88, 0.08);
      }

      @keyframes privacyPulse {
        0%,
        100% {
          transform: scale(1);
          opacity: 1;
        }
        50% {
          transform: scale(1.05);
          opacity: 0.6;
        }
      }

      /* Theme Card */
      .theme-card {
        background: linear-gradient(180deg, #0a0a0a 0%, #000 100%);
      }

      .theme-preview {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 24px;
        position: relative;
        overflow: hidden;
      }

      .theme-split {
        display: flex;
        width: 160px;
        height: 120px;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        position: relative;
      }

      .theme-split::after {
        content: "";
        position: absolute;
        top: 0;
        left: 50%;
        width: 1px;
        height: 100%;
        background: rgba(255, 255, 255, 0.1);
        z-index: 10;
      }

      .theme-half {
        flex: 1;
        padding: 16px 12px;
        display: flex;
        flex-direction: column;
        gap: 6px;
      }

      .theme-half.light-side {
        background: #f5f5f7;
      }

      .theme-half.dark-side {
        background: #1c1c1e;
      }

      .theme-half .mock-header {
        width: 60%;
        height: 6px;
        border-radius: 3px;
        margin-bottom: 4px;
      }

      .theme-half.light-side .mock-header {
        background: #1d1d1f;
      }

      .theme-half.dark-side .mock-header {
        background: rgba(255, 255, 255, 0.9);
      }

      .theme-half .mock-line {
        height: 4px;
        border-radius: 2px;
      }

      .theme-half.light-side .mock-line {
        background: rgba(0, 0, 0, 0.1);
      }

      .theme-half.dark-side .mock-line {
        background: rgba(255, 255, 255, 0.08);
      }

      .theme-half .mock-line:nth-child(2) {
        width: 100%;
      }
      .theme-half .mock-line:nth-child(3) {
        width: 85%;
      }
      .theme-half .mock-line:nth-child(4) {
        width: 92%;
      }
      .theme-half .mock-line:nth-child(5) {
        width: 70%;
      }

      /* Product stories */
      .showcase-section {
        padding: 120px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        background: #000;
      }

      .product-story {
        min-height: 600px;
        display: grid;
        grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
        align-items: stretch;
        overflow: hidden;
        margin-bottom: 28px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 30px;
        background:
          radial-gradient(circle at 82% 20%, rgba(41, 151, 255, 0.11), transparent 34%),
          #0b0b0d;
        box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
      }

      .product-story.edit-story {
        grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
        background:
          radial-gradient(circle at 18% 20%, rgba(41, 151, 255, 0.08), transparent 32%),
          #0b0b0d;
      }

      .story-copy {
        padding: 64px 48px;
        align-self: center;
      }

      .story-copy .section-label {
        margin-bottom: 18px;
      }

      .story-copy h2 {
        max-width: 520px;
        margin-bottom: 22px;
        font-size: clamp(38px, 4vw, 56px);
        line-height: 1.04;
        letter-spacing: -0.045em;
      }

      .story-copy > p {
        max-width: 500px;
        font-size: 19px;
      }

      .story-points {
        display: grid;
        gap: 14px;
        margin-top: 30px;
        list-style: none;
      }

      .story-points li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        color: #c7c7cc;
        font-size: 15px;
        line-height: 1.45;
      }

      .story-points li::before {
        content: "";
        width: 7px;
        height: 7px;
        margin-top: 7px;
        flex: 0 0 auto;
        border-radius: 50%;
        background: var(--accent-blue);
        box-shadow: 0 0 14px rgba(41, 151, 255, 0.55);
      }

      .story-link {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        margin-top: 30px;
        color: var(--accent-blue);
        font-size: 16px;
      }

      .story-link:hover {
        text-decoration: underline;
      }

      .story-link svg {
        width: 16px;
        height: 16px;
      }

      .story-visual {
        min-width: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 48px 42px;
        position: relative;
      }

      .ai-window {
        width: min(100%, 560px);
        height: 500px;
        display: grid;
        grid-template-rows: auto 1fr auto;
        overflow: hidden;
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, 0.11);
        background: #101116;
        box-shadow: 0 30px 90px rgba(0, 0, 0, 0.48);
      }

      .ai-window-header {
        display: flex;
        align-items: center;
        min-height: 64px;
        padding: 0 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
      }

      .ai-window-title {
        min-width: 0;
        flex: 1;
      }

      .ai-window-title strong {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
      }

      .ai-window-title strong::after {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #31d0aa;
      }

      .ai-window-title span {
        display: block;
        overflow: hidden;
        margin-top: 3px;
        color: #696a73;
        font-size: 11px;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .ai-new-chat {
        width: 30px;
        height: 30px;
        display: grid;
        place-items: center;
        border-radius: 8px;
        color: #8e8e93;
        background: rgba(255, 255, 255, 0.035);
        font-size: 20px;
      }

      .ai-conversation {
        padding: 28px 24px;
        overflow: hidden;
      }

      .ai-question {
        width: fit-content;
        max-width: 84%;
        margin: 0 0 26px auto;
        padding: 12px 16px;
        border: 1px solid rgba(80, 150, 255, 0.28);
        border-radius: 16px 16px 5px 16px;
        background: rgba(47, 112, 214, 0.2);
        color: #f5f5f7;
        font-size: 14px;
        line-height: 1.45;
      }

      .ai-answer {
        color: #d9d9de;
        font-size: 14px;
        line-height: 1.62;
      }

      .ai-answer p {
        margin: 0 0 14px;
        color: inherit;
        font-size: inherit;
      }

      .ai-citation {
        color: var(--accent-blue);
        font-weight: 600;
      }

      .ai-reference {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 24px;
        padding: 13px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.07);
        color: #8e8e93;
        font-size: 12px;
      }

      .ai-reference span:first-child {
        color: #c7c7cc;
      }

      .ai-composer {
        margin: 0 14px 14px;
        padding: 14px 14px 12px;
        border: 1px solid rgba(255, 255, 255, 0.11);
        border-radius: 16px;
        background: #15161b;
      }

      .ai-placeholder {
        color: #676872;
        font-size: 13px;
      }

      .ai-composer-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 13px;
        color: #74757e;
        font-size: 11px;
      }

      .ai-send {
        width: 28px;
        height: 28px;
        display: grid;
        place-items: center;
        border-radius: 50%;
        background: var(--accent-blue);
        color: white;
      }

      .ai-send svg {
        width: 14px;
        height: 14px;
      }

      .edit-stage {
        width: min(100%, 600px);
        min-height: 500px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .edit-toolbar {
        position: absolute;
        top: 12px;
        left: 50%;
        z-index: 3;
        display: flex;
        gap: 4px;
        padding: 5px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 11px;
        background: rgba(20, 21, 25, 0.94);
        box-shadow: 0 12px 35px rgba(0, 0, 0, 0.34);
        transform: translateX(-50%);
        backdrop-filter: blur(18px);
      }

      .edit-tool {
        padding: 8px 11px;
        border-radius: 7px;
        color: #8e8e93;
        font-size: 11px;
        white-space: nowrap;
      }

      .edit-tool.active {
        color: #f5f5f7;
        background: rgba(41, 151, 255, 0.18);
      }

      .paper-demo {
        width: 74%;
        min-height: 430px;
        margin-top: 38px;
        padding: 44px 42px;
        position: relative;
        color: #1c1c1e;
        background: #fafafa;
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
      }

      .paper-heading {
        width: 60%;
        height: 12px;
        margin-bottom: 22px;
        border-radius: 3px;
        background: #232326;
      }

      .paper-copy {
        display: grid;
        gap: 9px;
      }

      .paper-line {
        height: 5px;
        border-radius: 2px;
        background: #d1d1d6;
      }

      .paper-line.short {
        width: 72%;
      }

      .form-row-demo {
        display: grid;
        grid-template-columns: 90px 1fr;
        align-items: center;
        gap: 12px;
        margin-top: 26px;
      }

      .form-label-demo {
        color: #6e6e73;
        font-size: 9px;
        font-weight: 600;
      }

      .form-field-demo {
        min-height: 34px;
        padding: 8px 10px;
        border: 1.5px solid #2f7eea;
        border-radius: 5px;
        background: rgba(47, 126, 234, 0.07);
        color: #2568c5;
        font-size: 11px;
      }

      .signature-demo {
        width: 154px;
        margin: 42px 0 0 auto;
        padding-bottom: 5px;
        border-bottom: 1px solid #8e8e93;
        color: #161618;
        font-family: "Snell Roundhand", "Brush Script MT", cursive;
        font-size: 30px;
        line-height: 1;
        transform: rotate(-4deg);
      }

      .signature-caption {
        width: 154px;
        margin: 6px 0 0 auto;
        color: #8e8e93;
        font-size: 7px;
        text-align: center;
      }

      .export-popover {
        position: absolute;
        right: 0;
        bottom: 18px;
        z-index: 4;
        width: 188px;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 14px;
        background: rgba(25, 25, 29, 0.96);
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
        backdrop-filter: blur(18px);
      }

      .export-title {
        padding: 12px 14px 8px;
        color: #71717a;
        font-size: 10px;
      }

      .export-option {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 11px 14px;
        color: #dedee3;
        font-size: 12px;
      }

      .export-option.selected {
        color: white;
        background: rgba(41, 151, 255, 0.13);
      }

      .export-option span:last-child {
        color: var(--accent-blue);
      }

      .capability-rail {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        margin: 72px 0 0;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }

      .capability {
        padding: 26px 24px;
      }

      .capability + .capability {
        border-left: 1px solid rgba(255, 255, 255, 0.08);
      }

      .capability strong {
        display: block;
        margin-bottom: 5px;
        color: #f5f5f7;
        font-size: 15px;
      }

      .capability span {
        color: #6e6e73;
        font-size: 13px;
        line-height: 1.45;
      }

      .companion-note {
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: center;
        gap: 40px;
        margin-top: 28px;
        padding: 38px 42px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 24px;
        background: linear-gradient(135deg, #101114, #08090b);
      }

      .companion-note h3 {
        margin-bottom: 8px;
        font-size: 23px;
      }

      .companion-note p {
        max-width: 680px;
        margin: 0;
        font-size: 15px;
      }

      .companion-note .btn {
        flex: 0 0 auto;
        padding: 11px 18px;
        font-size: 14px;
      }

      @media (max-width: 900px) {
        .product-story,
        .product-story.edit-story {
          grid-template-columns: 1fr;
        }

        .edit-story .story-visual {
          order: 2;
        }

        .edit-story .story-copy {
          order: 1;
        }

        .story-copy {
          padding: 48px 34px 20px;
        }

        .story-visual {
          padding: 34px;
        }

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

        .capability:nth-child(3) {
          border-left: 0;
          border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .capability:nth-child(4) {
          border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
      }

      @media (max-width: 560px) {
        .showcase-section {
          padding: 80px 0;
        }

        .product-story {
          min-height: 0;
          border-radius: 22px;
        }

        .story-copy {
          padding: 38px 24px 16px;
        }

        .story-copy h2 {
          font-size: 38px;
        }

        .story-copy > p {
          font-size: 17px;
        }

        .story-visual {
          padding: 28px 16px 26px;
        }

        .ai-window {
          height: 460px;
        }

        .ai-conversation {
          padding: 22px 18px;
        }

        .paper-demo {
          width: 90%;
          min-height: 390px;
          padding: 38px 24px;
        }

        .export-popover {
          right: -4px;
          width: 168px;
        }

        .capability-rail {
          grid-template-columns: 1fr;
        }

        .capability + .capability,
        .capability:nth-child(3) {
          border-top: 1px solid rgba(255, 255, 255, 0.08);
          border-left: 0;
        }

        .companion-note {
          grid-template-columns: 1fr;
          gap: 24px;
          padding: 30px 24px;
        }

        .companion-note .btn {
          justify-self: start;
        }
      }

      @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
          scroll-behavior: auto !important;
          animation-duration: 0.01ms !important;
          animation-iteration-count: 1 !important;
          transition-duration: 0.01ms !important;
        }

        .fade-in,
        .hero-image-wrapper {
          opacity: 1;
          transform: none;
        }
      }

      /* Utility */
      .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition:
          opacity 0.8s ease,
          transform 0.8s ease;
      }

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

      .highlight {
        color: #fff;
      }

      /* Interaction details */
      .value-section {
        padding: 120px 0;
        background: #000;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
      }

      .value-props {
        display: grid;
        grid-template-columns: 1fr;
        gap: 40px;
        margin-top: 60px;
      }

      @media (min-width: 768px) {
        .value-props {
          grid-template-columns: repeat(3, 1fr);
          gap: 24px;
        }
      }

      .value-prop h3 {
        font-size: 20px;
        font-weight: 600;
        margin-bottom: 12px;
        color: #f5f5f7;
        display: flex;
        align-items: center;
        gap: 8px;
      }

      .value-prop p {
        font-size: 16px;
        color: #86868b;
        line-height: 1.5;
      }

      /* Footer */
      footer {
        background: #000;
        padding: 80px 0 40px;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        font-size: 14px;
      }

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

      @media (min-width: 768px) {
        .footer-grid {
          grid-template-columns: 2fr 1fr 1fr;
        }
      }

      .footer-logo {
        font-size: 18px;
        font-weight: 600;
        color: #f5f5f7;
        margin-bottom: 12px;
        display: inline-block;
      }

      .footer-col h4 {
        font-size: 14px;
        font-weight: 600;
        color: #f5f5f7;
        margin-bottom: 16px;
      }

      .footer-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
      }

      .footer-links a {
        color: #86868b;
        transition: color 0.2s;
      }

      .footer-links a:hover {
        color: #2997ff;
      }

      .footer-bottom {
        display: flex;
        flex-direction: column;
        gap: 16px;
        padding-top: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        color: #424245;
        font-size: 12px;
      }

      @media (min-width: 768px) {
        .footer-bottom {
          flex-direction: row;
          justify-content: space-between;
          align-items: center;
        }
      }