/* ===== RESET & VARIABLES ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #ffffff;
            color: #1d1d1f;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== TYPOGRAPHY ===== */
        .section-label {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: #86868b;
            margin-bottom: 10px;
            background: #f0f0f2;
            padding: 4px 18px;
            border-radius: 100px;
        }

        .section-title {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.1;
            color: #1d1d1f;
        }
        .section-title .highlight {
            color: #0066cc;
            border-bottom: 4px solid #0066cc;
            padding-bottom: 2px;
        }
        .section-title .dark-accent {
            color: #1d1d1f;
            border-bottom: 4px solid #1d1d1f;
            padding-bottom: 2px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: #86868b;
            max-width: 600px;
            margin-top: 12px;
            font-weight: 400;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== BUTTONS ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 40px;
            border-radius: 980px;
            font-weight: 500;
            font-size: 0.95rem;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            cursor: pointer;
            background: transparent;
            color: #1d1d1f;
            text-decoration: none;
        }
        .btn-primary {
            background: #1d1d1f;
            color: #fff;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
        }
        .btn-primary:hover {
            background: #333;
            transform: scale(1.02);
            color: #fff;
        }
        .btn-outline {
            border-color: #d2d2d7;
            color: #1d1d1f;
        }
        .btn-outline:hover {
            background: #e8e8ed;
            border-color: #a1a1a6;
        }
        .btn-accent {
            background: #0066cc;
            color: #fff;
        }
        .btn-accent:hover {
            background: #0055b3;
            color: #fff;
        }
        .btn-dark {
            background: #1d1d1f;
            color: #fff;
            border: 1px solid #1d1d1f;
        }
        .btn-dark:hover {
            background: #3a3a3c;
            border-color: #3a3a3c;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 24px;
            font-size: 0.8rem;
        }

        /* ===== BADGES ===== */
        .badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            background: #e8e8ed;
            color: #1d1d1f;
        }
        .badge-new {
            background: #0066cc;
            color: #fff;
        }
        .badge-dark {
            background: #1d1d1f;
            color: #fff;
        }

        /* ===== HERO ===== */
        .hero {
            padding: 80px 0 60px;
            background: #ffffff;
            border-bottom: 1px solid #f0f0f2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-text .badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }
        .hero-text h1 {
            font-size: 3.4rem;
            font-weight: 700;
            letter-spacing: -0.035em;
            line-height: 1.05;
            color: #1d1d1f;
            margin-bottom: 16px;
        }
        .hero-text h1 .highlight {
            color: #0066cc;
        }
        .hero-text h1 .dark-accent {
            color: #1d1d1f;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: #86868b;
            max-width: 480px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px 24px;
            margin-bottom: 28px;
            list-style: none;
            padding: 0;
        }
        .hero-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.92rem;
            color: #424245;
        }
        .hero-features li .icon {
            color: #0066cc;
            font-weight: 600;
        }
        .hero-image {
            display: flex;
            justify-content: center;
            align-items: center;
            background: #f8f8fa;
            border-radius: 32px;
            padding: 24px;
            position: relative;
        }
        .hero-image img {
            max-height: 400px;
            object-fit: contain;
            filter: drop-shadow(0 8px 30px rgba(0, 0, 0, 0.08));
            width: 100%;
        }
        .hero-image .frame-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(0, 0, 0, 0.08);
            color: #1d1d1f;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 100px;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            border: 1px solid rgba(0, 0, 0, 0.12);
        }

        /* ===== HIGHLIGHTS (3 cards) ===== */
        .highlights {
            padding: 80px 0 60px;
            background: #f5f5f7;
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .highlight-card {
            background: #ffffff;
            border-radius: 24px;
            padding: 36px 28px 32px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: all 0.35s ease;
            text-align: center;
        }
        .highlight-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
        }
        .highlight-card .icon-box {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: #f0f0f2;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 30px;
            transition: 0.2s ease;
        }
        .highlight-card:hover .icon-box {
            background: #0066cc;
            color: #fff;
        }
        .highlight-card .stat {
            font-weight: 800;
            font-size: 2.0rem;
            color: #1d1d1f;
            line-height: 1.2;
        }
        .highlight-card .stat .unit {
            font-size: 0.8rem;
            font-weight: 500;
            color: #86868b;
        }
        .highlight-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1d1d1f;
            margin: 6px 0 4px;
        }
        .highlight-card h3 .sub {
            display: block;
            font-weight: 400;
            font-size: 0.78rem;
            color: #86868b;
        }
        .highlight-card p {
            color: #86868b;
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 4px;
        }
        .highlight-card .tag {
            display: inline-block;
            font-size: 0.6rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 4px 16px;
            border-radius: 100px;
            margin-top: 14px;
            background: #e8e8ed;
            color: #1d1d1f;
        }
        .highlight-card .tag.accent-tag {
            background: #dbeafe;
            color: #0066cc;
        }
        .highlight-card .tag.dark-tag {
            background: #e8e8ed;
            color: #1d1d1f;
            border: 1px solid #d2d2d7;
        }

        /* ===== FEATURE SHOWCASE (optimized) ===== */
        .feature-showcase {
            padding: 80px 0;
            background: #ffffff;
        }
        .showcase-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-top: 12px;
        }
        .showcase-content h3 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #1d1d1f;
            margin-bottom: 16px;
        }
        .showcase-content h3 .highlight {
            color: #0066cc;
        }
        .showcase-content .desc {
            color: #86868b;
            font-size: 1.0rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .showcase-features {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px 20px;
            margin-bottom: 24px;
        }
        .showcase-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.92rem;
            color: #424245;
        }
        .showcase-features li .icon {
            color: #0066cc;
            font-weight: 600;
        }
        /* browser note */
        .browser-note {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #f0f4fe;
            border-radius: 40px;
            padding: 10px 22px;
            font-size: 0.85rem;
            color: #1d1d1f;
            border: 1px solid rgba(0, 102, 204, 0.12);
            margin-top: 6px;
        }
        .browser-note .icon-b {
            font-size: 1.2rem;
        }
        .browser-note strong {
            color: #0066cc;
            font-weight: 600;
        }
        .browser-note .badge-browser {
            background: #0066cc;
            color: #fff;
            font-size: 0.6rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 100px;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            margin-left: 4px;
        }

        /* gallery grid for images */
        .showcase-gallery {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            background: #f8f8fa;
            border-radius: 28px;
            padding: 20px;
            border: 1px solid #f0f0f2;
        }
        .showcase-gallery .gallery-item {
            border-radius: 16px;
            overflow: hidden;
            background: #ffffff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: all 0.3s ease;
            aspect-ratio: 1 / 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8px;
        }
        .showcase-gallery .gallery-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .showcase-gallery .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px;
            display: block;
        }
        .showcase-gallery .gallery-item.span-2 {
            grid-column: span 2;
            aspect-ratio: 2 / 1;
        }
        .showcase-gallery .gallery-item.span-2 img {
            object-fit: contain;
            padding: 4px;
        }

        /* ===== WORKFLOW ===== */
        .workflow-section {
            padding: 80px 0;
            background: #f5f5f7;
        }
        .workflow-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .workflow-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .workflow-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #ffffff;
            padding: 20px 24px;
            border-radius: 20px;
            border: 1px solid #f0f0f2;
            transition: all 0.3s ease;
        }
        .workflow-step:hover {
            transform: translateX(4px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .workflow-step .num {
            font-weight: 800;
            font-size: 1.4rem;
            color: #0066cc;
            min-width: 36px;
            line-height: 1.2;
        }
        .workflow-step .content h4 {
            font-weight: 600;
            font-size: 1.0rem;
            color: #1d1d1f;
            margin-bottom: 2px;
        }
        .workflow-step .content p {
            color: #86868b;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .workflow-visual {
            background: #ffffff;
            border-radius: 28px;
            padding: 32px;
            text-align: center;
            border: 1px solid #f0f0f2;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
        }
        .workflow-visual img {
            max-height: 340px;
            width: 100%;
            object-fit: contain;
            border-radius: 12px;
        }
        .workflow-visual .caption {
            margin-top: 12px;
            font-size: 0.85rem;
            color: #86868b;
        }
        .workflow-visual .caption a {
            color: #0066cc;
            text-decoration: none;
            font-weight: 500;
        }
        .workflow-visual .caption a:hover {
            text-decoration: underline;
        }

        /* ===== SPECS ===== */
        .specs-section {
            padding: 80px 0;
            background: #ffffff;
        }
        .specs-card {
            background: #f5f5f7;
            border-radius: 28px;
            padding: 32px 28px;
            border: 1px solid #f0f0f2;
            overflow-x: auto;
        }
        .specs-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
            min-width: 500px;
        }
        .specs-table th {
            text-align: left;
            padding: 16px 16px 16px 0;
            font-weight: 700;
            color: #1d1d1f;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            border-bottom: 2px solid #d2d2d7;
        }
        .specs-table td {
            padding: 14px 16px 14px 0;
            border-bottom: 1px solid #e8e8ed;
            color: #424245;
        }
        .specs-table tr:last-child td {
            border-bottom: 0;
        }
        .specs-table .param {
            font-weight: 600;
            color: #1d1d1f;
            width: 30%;
        }

        /* ===== APPLICATIONS ===== */
        .apps-section {
            padding: 80px 0;
            background: #f5f5f7;
        }
        .apps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .app-card {
            background: #ffffff;
            border-radius: 24px;
            padding: 32px 24px;
            text-align: center;
            border: 1px solid #f0f0f2;
            transition: all 0.3s ease;
        }
        .app-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .app-card .emoji {
            font-size: 2.4rem;
            display: block;
            margin-bottom: 12px;
        }
        .app-card .emoji img {
            max-height: 80px;
            margin: 0 auto;
            object-fit: contain;
        }
        .app-card h4 {
            font-weight: 600;
            font-size: 1.1rem;
            color: #1d1d1f;
            margin-bottom: 6px;
        }
        .app-card p {
            font-size: 0.9rem;
            color: #86868b;
            line-height: 1.6;
        }

        /* ===== SUSTAINABILITY ===== */
        .sustain-section {
            padding: 80px 0;
            background: #ffffff;
        }
        .sustain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sustain-card {
            background: #f5f5f7;
            border-radius: 24px;
            padding: 32px 24px;
            text-align: center;
            border: 1px solid #f0f0f2;
        }
        .sustain-card .emoji {
            font-size: 2.6rem;
            display: block;
            margin-bottom: 12px;
        }
        .sustain-card h4 {
            font-weight: 600;
            font-size: 1.05rem;
            color: #1d1d1f;
            margin-bottom: 6px;
        }
        .sustain-card p {
            font-size: 0.9rem;
            color: #86868b;
            line-height: 1.6;
        }

        /* ===== DOWNLOADS ===== */
        .downloads-section {
            padding: 80px 0;
            background: #f5f5f7;
        }
        .downloads-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
        }
        .download-group {
            background: #ffffff;
            border-radius: 20px;
            padding: 24px 28px;
            border: 1px solid #f0f0f2;
        }
        .download-group h4 {
            font-weight: 600;
            font-size: 0.9rem;
            color: #1d1d1f;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
            border-bottom: 1px solid #e8e8ed;
            padding-bottom: 10px;
        }
        .download-group ul {
            list-style: none;
            padding: 0;
        }
        .download-group ul li {
            margin-bottom: 10px;
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f2;
        }
        .download-group ul li:last-child {
            border-bottom: 0;
            margin-bottom: 0;
        }
        .download-group ul li a {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.88rem;
            color: #1d1d1f;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s ease;
        }
        .download-group ul li a:hover {
            color: #0066cc;
            transform: translateX(4px);
        }
        .download-group ul li a .dl-icon {
            font-size: 1.1rem;
            flex-shrink: 0;
            width: 28px;
            text-align: center;
        }
        .download-group ul li a .dl-desc {
            font-weight: 400;
            color: #86868b;
            font-size: 0.75rem;
            display: block;
        }

        /* ===== RECOMMENDED ===== */
        .rec-section {
            padding: 60px 0 80px;
            background: #ffffff;
        }
        .rec-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .rec-card {
            background: #f5f5f7;
            border-radius: 20px;
            padding: 20px;
            text-align: center;
            border: 1px solid #f0f0f2;
            transition: all 0.2s ease;
        }
        .rec-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
        }
        .rec-card img {
            max-height: 80px;
            margin: 0 auto 12px;
            object-fit: contain;
        }
        .rec-card h5 {
            font-weight: 600;
            font-size: 0.9rem;
            color: #1d1d1f;
        }
        .rec-card a {
            font-size: 0.8rem;
            color: #0066cc;
            text-decoration: none;
            display: inline-block;
            margin-top: 6px;
        }
        .rec-card a:hover {
            text-decoration: underline;
        }

        /* ===== ABOUT / CONTACT ===== */
        .about-section {
            padding: 80px 0;
            background: #f5f5f7;
            text-align: center;
        }
        .about-section .section-title {
            color: #1d1d1f;
        }
        .about-section .section-title .highlight {
            border-bottom-color: #0066cc;
            color: #0066cc;
        }
        .about-section .section-subtitle {
            color: #86868b;
        }
        .about-box {
            background: #ffffff;
            border-radius: 28px;
            padding: 40px;
            max-width: 640px;
            margin: 0 auto;
            border: 1px solid #f0f0f2;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
        }
        .about-box .email {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1d1d1f;
        }
        .about-box .email a {
            color: #0066cc;
            text-decoration: none;
        }
        .about-box .email a:hover {
            text-decoration: underline;
        }
        .about-box .cert {
            font-size: 0.85rem;
            color: #86868b;
            border-top: 1px solid #e8e8ed;
            padding-top: 20px;
            margin-top: 20px;
        }
        .about-box .btn {
            margin-top: 20px;
        }
        .about-footer {
            margin-top: 32px;
            font-size: 0.75rem;
            color: #a1a1a6;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-text h1 {
                font-size: 2.6rem;
            }
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
            }
            .highlights-grid .highlight-card:last-child {
                grid-column: span 2;
                max-width: 480px;
                margin: 0 auto;
            }
            .apps-grid,
            .sustain-grid {
                grid-template-columns: 1fr 1fr;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .showcase-gallery {
                grid-template-columns: 1fr 1fr;
            }
            .workflow-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .downloads-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-grid {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 40px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .hero-text p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-features {
                grid-template-columns: 1fr;
                max-width: 280px;
                margin-left: auto;
                margin-right: auto;
                text-align: left;
            }
            .hero-image img {
                max-height: 260px;
            }
            .section-title {
                font-size: 2.2rem;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .highlights-grid .highlight-card:last-child {
                grid-column: 1;
                max-width: 100%;
            }
            .apps-grid,
            .sustain-grid {
                grid-template-columns: 1fr;
                max-width: 380px;
                margin: 0 auto;
            }
            .specs-table {
                font-size: 0.75rem;
                min-width: auto;
            }
            .specs-table th,
            .specs-table td {
                padding: 10px 8px 10px 0;
            }
            .about-box {
                padding: 24px;
            }
            .about-box .email {
                font-size: 1.1rem;
            }
            .rec-grid {
                grid-template-columns: 1fr 1fr;
            }
            .showcase-features {
                grid-template-columns: 1fr;
            }
            .showcase-gallery {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 14px;
            }
            .showcase-gallery .gallery-item.span-2 {
                grid-column: span 2;
                aspect-ratio: 2 / 1;
            }
            .workflow-step {
                padding: 16px 18px;
            }
            .showcase-content h3 {
                font-size: 1.8rem;
            }
            .hero-image .frame-badge {
                top: 10px;
                right: 10px;
                font-size: 0.55rem;
                padding: 3px 12px;
            }
            .browser-note {
                padding: 8px 16px;
                font-size: 0.78rem;
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .highlight-card {
                padding: 24px 18px;
            }
            .rec-grid {
                grid-template-columns: 1fr;
                max-width: 260px;
                margin: 0 auto;
            }
            .showcase-gallery {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 12px;
            }
            .showcase-gallery .gallery-item.span-2 {
                grid-column: 1;
                aspect-ratio: 1 / 1;
            }
            .showcase-gallery .gallery-item {
                aspect-ratio: 1 / 1;
            }
            .workflow-visual img {
                max-height: 200px;
            }
            .workflow-visual {
                padding: 16px;
            }
            .specs-card {
                padding: 16px;
            }
            .download-group {
                padding: 18px 16px;
            }
            .browser-note {
                font-size: 0.7rem;
                padding: 6px 14px;
            }
            .browser-note .badge-browser {
                font-size: 0.5rem;
                padding: 1px 10px;
            }
        }