:root {
            --blue-900: #0f2450;
            --blue-800: #123472;
            --blue-700: #0d65db;
            --blue-600: #1679ff;
            --teal-600: #0ba7c8;
            --green-600: #85c328;
            --green-700: #78b31f;
            --text: #253451;
            --muted: #5f6f84;
            --line: #dfe7f1;
            --surface: #f3f6fb;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: "Open Sans", sans-serif;
            color: var(--text);
            background: #e9edf4;
        }

        main {
            margin-top: 65px;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            font-family: "Poppins", sans-serif;
            color: var(--blue-900);
        }

        p {
            margin: 0;
            line-height: 1.6;
        }

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

        .hidden {
            display: none !important;
        }

        .page-shell {
            width: min(1500px, calc(100% - 16px));
            margin: 0 auto 5px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 20px 40px rgba(35, 49, 75, 0.08);
        }

        .browser-bar {
            height: 48px;
            border-bottom: 1px solid var(--line);
            background: #f8f9fc;
            display: grid;
            grid-template-columns: 120px 1fr 120px;
            align-items: center;
            padding: 0 14px;
            gap: 14px;
            font-size: 0.86rem;
            color: #6d7788;
        }

        .browser-dots {
            display: flex;
            gap: 8px;
        }

        .browser-dots span {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: block;
        }

        .browser-dots span:nth-child(1) {
            background: #f16c5f;
        }

        .browser-dots span:nth-child(2) {
            background: #f7bc3d;
        }

        .browser-dots span:nth-child(3) {
            background: #3ac45a;
        }

        .browser-url {
            text-align: center;
            background: #eef2f8;
            border: 1px solid #dde6f2;
            border-radius: 8px;
            padding: 7px 12px;
            font-size: 0.84rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .site-header {
            border-bottom: 1px solid var(--line);
            background: #fff;
            position: fixed;
            left: 0;
            width: 100%;
            z-index: 100;
        }

        .container {
            width: min(1380px, calc(100% - 80px));
            margin: 0 auto;
        }

        .header-row {
            min-height: 82px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand img {
            width: 200px;
            max-width: 100%;
            height: auto;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 36px;
            font-weight: 700;
            color: #324764;
            font-size: 0.97rem;
        }

        .desktop-nav a:hover {
            color: var(--blue-700);
        }

        .btn-course {
            background: var(--blue-700);
            color: #fff;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 700;
        }

        .menu-btn {
            display: none;
            background: none;
            border: 1px solid var(--line);
            color: var(--blue-900);
            font-size: 1rem;
            border-radius: 10px;
            width: 40px;
            height: 40px;
        }

        .mobile-menu {
            display: none;
            padding: 0 0 16px;
            border-top: 1px solid var(--line);
        }

        .mobile-menu a {
            display: block;
            padding: 10px 2px;
            font-weight: 700;
            color: #334869;
        }

        .hero {
            background: #f5f7fb;
            border-bottom: 1px solid var(--line);
            padding: 20px 0 30px;
        }

        .hero-background {
            display: flex;
            justify-content: center;
            background-color: var(--blue-900);
        }

        .hero .mobile {
            display: none;
        }

        .hero-background .desktop {
            width: 60%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.08fr 0.92fr;
            gap: 18px;
            align-items: center;
            padding-top: 1rem;
        }

        .hero-kicker {
            margin-bottom: 12px;
        }

        .hero-kicker .green {
            color: var(--green-600);
            font-weight: 700;
        }

        .hero-kicker .blue {
            color: var(--blue-700);
            font-weight: 700;
        }

        .hero h1 {
            line-height: 1.08;
            margin-bottom: 16px;
        }

        .hero-copy {
            max-width: 820px;
            color: #394d6c;
        }

        .hero-actions {
            margin-top: 24px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            min-width: 160px;
            justify-content: center;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border-radius: 12px;
            font-weight: 700;
            padding: 14px 22px;
            font-size: 1rem;
            border: 0;
            color: #fff;
        }

        .btn-green {
            background: var(--green-600);
        }

        .btn-blue {
            background: var(--blue-700);
        }

        .btn-white {
            background: #fff;
            color: var(--blue-700);
            border: 1px solid #c9d8f0;
        }

        .hero-art {
            border-radius: 24px;
            background:
                radial-gradient(circle at 55% 32%, #dce8f8 0%, #dce8f8 44%, transparent 45%),
                linear-gradient(135deg, #f8fbff 0%, #edf3fb 100%);
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 2rem 1rem;
        }

        .hero-art img.main {
            width: min(78%, 520px);
            border-radius: 20px;
            filter: drop-shadow(0 20px 30px rgba(17, 39, 90, 0.16));
        }

        .metric,
        .badge-circle {
            position: absolute;
            background: #fff;
            border: 1px solid #d8e3f2;
            border-radius: 16px;
            box-shadow: 0 12px 24px rgba(19, 48, 94, 0.09);
            display: none;
        }

        .metric {
            padding: 12px 14px;
            min-width: 144px;
            font-weight: 700;
            color: #2b3d5a;
        }

        .metric small {
            color: #73839a;
            display: block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 3px;
        }

        .metric.one {
            top: 40px;
            left: 24px;
        }

        .metric.two {
            left: 24px;
            bottom: 170px;
        }

        .metric.three {
            right: 14px;
            top: 205px;
            min-width: 170px;
        }

        .badge-circle {
            width: 76px;
            height: 76px;
            border-radius: 50%;
            /*display: flex;*/
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: #fff;
            background: var(--blue-700);
            border: 0;
            box-shadow: 0 14px 26px rgba(13, 101, 219, 0.35);
        }

        .badge-a {
            top: 38px;
            right: 175px;
        }

        .badge-b {
            bottom: 84px;
            right: 52px;
        }

        .arrow-up {
            position: absolute;
            right: 54px;
            top: 92px;
            color: var(--green-600);
            font-size: 5.2rem;
            opacity: 0.8;
            display: none;
        }

        .section {
            padding: 36px 0;
            background: #fff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 0.86fr 1.14fr;
            gap: 24px;
            align-items: stretch;
        }

        .photo-card {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            background: #edf2f9;
        }

        .photo-card img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }

        .logo-float {
            position: absolute;
            left: 16px;
            bottom: 16px;
            width: 96px;
            height: 96px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 12px 22px rgba(12, 36, 72, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 16px;
        }

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

        .about-copy h2,
        .title-xl {
            margin-bottom: 10px;
        }

        .about-copy p {
            color: #425676;
        }

        .about-copy ol {
            font-weight: 700;
            color: #425676;
        }

        .about-features {
            margin-top: 16px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .chip {
            background: #f8fbff;
            border: 1px solid #dde6f1;
            border-radius: 14px;
            padding: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #294161;
            font-weight: 700;
            font-size: 0.95rem;
        }

        .chip i {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: var(--green-600);
            flex-shrink: 0;
        }

        .chip.blue i {
            background: var(--blue-700);
        }

        .what {
            background: #f5f7fb;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 30px 0;
        }

        .what h2 {
            text-align: center;
            margin-bottom: 20px;
        }

        .cards-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .what-card {
            background: #fff;
            border: 1px solid #dbe5f2;
            border-top: 4px solid var(--green-600);
            border-radius: 14px;
            padding: 18px;
            min-height: 170px;
            box-shadow: 0 10px 20px rgba(17, 39, 90, 0.06);
            display: grid;
            grid-template-columns: 52px 1fr;
            gap: 12px;
            align-items: start;
        }

        .what-card:nth-child(2) {
            border-top-color: var(--blue-700);
        }

        .what-card:nth-child(3) {
            border-top-color: var(--teal-600);
        }

        .what-card i {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            background: var(--green-600);
        }

        .what-card:nth-child(2) i {
            background: var(--blue-700);
        }

        .what-card:nth-child(3) i {
            background: var(--teal-600);
        }

        .what-card h3 {
            margin-bottom: 4px;
        }

        .vision {
            padding: 34px 0;
        }

        .vision-grid {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 22px;
            align-items: center;
        }

        .vision-copy h2 {
            margin-bottom: 12px;
        }

        .vision-highlight {
            color: var(--blue-700);
            line-height: 1.2;
            margin-bottom: 10px;
            font-family: "Poppins", sans-serif;
        }

        .vision-highlight span {
            color: var(--green-600);
        }

        .vision-art {
            border-radius: 16px;
            overflow: hidden;
            background: #ecf3ff;
            position: relative;
        }

        .vision-art img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .why {
            background: #f9fbff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 32px 0;
        }

        .why h2 {
            text-align: center;
            margin-bottom: 8px;
        }

        .why-sub {
            text-align: center;
            font-weight: 800;
            font-family: "Poppins", sans-serif;
            color: var(--blue-700);
            margin-bottom: 18px;
        }

        .why-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 20px;
        }

        .check-list {
            list-style: none;
            margin: 0;
            padding: 0;
            color: #314665;
            display: grid;
            gap: 10px;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }

        .check-list i {
            color: var(--green-600);
            margin-top: 3px;
        }

        .values-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 12px;
        }

        .value-box {
            border: 1px solid #dbe5f2;
            border-radius: 14px;
            background: #fff;
            padding: 14px 12px;
            text-align: center;
            min-height: 132px;
            display: grid;
            align-content: center;
            gap: 8px;
        }

        .value-box i {
            font-size: 1.5rem;
            color: var(--blue-700);
        }

        .value-box p {
            font-size: 0.9rem;
            color: #334a6a;
            line-height: 1.35;
        }

        .value-box:nth-child(1) i,
        .value-box:nth-child(4) i {
            color: var(--green-600);
        }

        .contact-section {
            width: min(1380px, calc(100% - 80px));
            margin: 0 auto;
            padding: 36px 0;
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 24px;
            align-items: start;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            letter-spacing: 0.12em;
            color: var(--teal-600);
            font-weight: 800;
            margin-bottom: 8px;
        }

        .contact img {
            width: 680px;
            height: auto;
        }

        .contact-cards {
            display: grid;
            gap: 12px;
            margin-top: 18px;
        }

        .contact-card {
            background: #f8fbff;
            border: 1px solid #dbe5f2;
            border-radius: 14px;
            padding: 14px 16px;
        }

        .contact-card strong {
            color: var(--blue-900);
            display: block;
            margin-bottom: 5px;
        }

        .contact-card span {
            color: #5f6f84;
        }

        .contact-form-wrap {
            background: #f6f9ff;
            border: 1px solid #dbe5f2;
            border-radius: 16px;
            padding: 18px;
            box-shadow: 0 10px 24px rgba(17, 39, 90, 0.08);
        }

        .contact-form {
            display: grid;
            gap: 14px;
        }

        .form-group label {
            display: block;
            font-weight: 700;
            color: var(--blue-900);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            border: 1px solid #c9d8ee;
            border-radius: 12px;
            padding: 12px 14px;
            font: inherit;
            color: #2f4565;
            background: #fff;
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--blue-700);
            box-shadow: 0 0 0 3px rgba(13, 101, 219, 0.12);
        }

        .btn-primary {
            background: var(--blue-700);
            color: #fff;
            border: 0;
            border-radius: 12px;
            padding: 13px 16px;
            font: inherit;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .btn-primary:hover {
            background: var(--blue-800);
        }

        .form-btn {
            width: 100%;
        }

        .form-message {
            margin: 0;
            background: rgba(133, 195, 40, 0.18);
            color: #2d4d1e;
            border: 1px solid rgba(133, 195, 40, 0.35);
            border-radius: 10px;
            padding: 10px 12px;
            font-weight: 700;
        }

        .cta {
            background: linear-gradient(92deg, #68bb2d 0%, #0e72eb 64%, #095ac4 100%);
            color: #fff;
            padding: 0;
            overflow: hidden;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 280px 1fr;
            align-items: center;
            gap: 24px;
            min-height: 220px;
        }

        .cta-img {
            display: flex;
            justify-content: center;
        }

        .cta-img img {
            width: 300px;
            max-width: 100%;
            display: block;
            border-radius: 20px;
            box-shadow: 0 16px 24px rgba(7, 33, 77, 0.25);
        }

        .cta-copy h2 {
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-copy p {
            color: #edf5ff;
            max-width: 880px;
        }

        .cta-actions {
            margin-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer {
            background: #0c1f43;
            color: #dce8fb;
            padding: 24px 0 16px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.75fr 1.45fr;
            gap: 24px;
            align-items: start;
        }

        .footer-brand img {
            width: 180px;
            margin-bottom: 10px;
        }

        .social {
            margin-top: 12px;
            display: none;
            gap: 8px;
        }

        .social a {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.8rem;
        }

        .footer h4 {
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 6px;
        }

        .footer-tagline {
            font-family: "Poppins", sans-serif;
            font-size: 1.2rem;
            line-height: 1.18;
            margin-bottom: 8px;
        }

        .footer-tagline .green {
            color: #8fd12f;
        }

        .footer-tagline .blue {
            color: #28a6ff;
        }

        @media (max-width: 1024px) {

            .hero-art {
                min-height: 470px;
            }

            .metric {
                transform: scale(0.92);
                transform-origin: top left;
            }

            .metric.three {
                transform-origin: top right;
            }
        }

        @media (max-width: 1200px) {
            .container {
                width: min(1380px, calc(100% - 36px));
            }

            .hero-grid,
            .about-grid,
            .vision-grid,
            .contact-section,
            .cta-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .values-5 {
                grid-template-columns: repeat(3, 1fr);
            }

            .cards-3 {
                grid-template-columns: 1fr;
            }

            .cta-grid {
                display: flex;
            }
        }

        @media (max-width: 860px) {

            .desktop-nav,
            .btn-course {
                display: none;
            }

            .menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .mobile-menu.open {
                display: block;
            }

            .hero {
                padding: 24px 0;
            }

            .hero-art {
                min-height: 360px;
                border-radius: 16px;
            }

            .hero-art img.main {
                width:100%;
                right: 12px;
                bottom: 12px;
            }

            .about-features,
            .why-grid {
                grid-template-columns: 1fr;
            }

            .metric.one {
                top: 10px;
                left: 10px;
            }

            .metric.two {
                left: 10px;
                bottom: 96px;
            }

            .metric.three {
                top: 86px;
                right: 8px;
            }

            .badge-a {
                top: 16px;
                right: 122px;
            }

            .badge-b {
                right: 18px;
                bottom: 24px;
            }

            .badge-circle {
                width: 58px;
                height: 58px;
                font-size: 1.2rem;
            }

            .arrow-up {
                right: 28px;
                top: 38px;
                font-size: 3rem;
            }

            .cta-grid {
                display: block;
                margin: .5rem auto;
            }

            .browser-bar {
                grid-template-columns: 1fr;
                height: auto;
                gap: 8px;
                padding: 8px 12px;
            }

            .browser-url {
                text-align: left;
            }

            .why-sub {
                line-height: 1.35;
            }

            .footer-tagline,
            .footer-content-nav {
                text-align: center;
            }

            .btn {
                min-width: 0;
            }

            .cta-actions .btn,
            .hero-actions .btn {
                width: 100%;
            }

            .cta-img {
                padding: 16px 16px 0;
            }
        }

        @media (max-width: 560px) {
            .container {
                width: calc(100% - 24px);
            }

            .contact-section {
                width: calc(100% - 24px);
                padding: 24px 0;
            }

            .header-row {
                min-height: 70px;
            }

            .brand img {
                width: 150px;
            }

            .hero-copy {
                font-size: 0.98rem;
            }

            .section,
            .vision,
            .why {
                padding: 24px 0;
            }

            .hero-art {
                display: none;
            }

            .metric,
            .badge-circle,
            .arrow-up {
                display: none;
            }

            .value-box {
                min-height: 108px;
            }

            .values-5 {
                grid-template-columns: repeat(1, 1fr);
            }

            .hero-background img.mobile, .hero-icon.mobile {
                display: block;
                width: 100%;
                border-radius: 7px;;
            }

            .hero-background img.desktop {
                display: none;
            }

            .contact img {
                display: none;
            }
        }