html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* =========================================
   vAI Studio Website
   ========================================= */

.site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

    .site main {
        flex: 1;
    }


/* Navigation */

.navbar {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 60px;
    border-bottom: 1px solid #e5e5e5;
    background: white;
}

.navbar-brand a {
    text-decoration: none;
    font-size: 28px;
    font-weight: 700;
}

.logo-v {
    color: #222;
}

.logo-ai {
    color: #555;
}

.logo-studio {
    color: #777;
    font-weight: 400;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

    .navbar-links a {
        text-decoration: none;
        color: #333;
        font-size: 15px;
    }

        .navbar-links a:hover {
            color: #000;
        }


/* Launch button */

.launch-button {
    padding: 10px 20px;
    border-radius: 6px;
    background: #222;
    color: white !important;
}

    .launch-button:hover {
        background: #444;
    }


/* Hero */

.hero {
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 80px 10%;
    background: #fafafa;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 72px;
    line-height: 1;
    margin: 0 0 20px 0;
    font-weight: 700;
}

.hero h2 {
    font-size: 34px;
    font-weight: 400;
    margin: 0 0 25px 0;
}

.hero p {
    font-size: 20px;
    line-height: 1.6;
    max-width: 650px;
    color: #555;
}


/* Buttons */

.hero-buttons {
    margin-top: 35px;
}

.primary-button,
.secondary-button {
    display: inline-block;
    padding: 14px 26px;
    margin-right: 12px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
}

.primary-button {
    background: #222;
    color: white;
}

.secondary-button {
    border: 1px solid #aaa;
    color: #333;
    background: white;
}


/* Introduction */

.intro {
    max-width: 900px;
    margin: auto;
    padding: 100px 30px;
    text-align: center;
}

    .intro h2 {
        font-size: 40px;
        margin-bottom: 25px;
    }

    .intro p {
        font-size: 19px;
        line-height: 1.7;
        color: #555;
    }


/* Footer */

footer {
    border-top: 1px solid #e5e5e5;
    background: #fafafa;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    padding: 50px 10%;
}

    .footer-content p {
        color: #666;
    }

    .footer-content a {
        display: block;
        margin-bottom: 10px;
        color: #555;
        text-decoration: none;
    }

.footer-bottom {
    border-top: 1px solid #e5e5e5;
    padding: 20px 10%;
    color: #777;
    font-size: 13px;
}

/* Technology Page */

.page-hero {
    max-width: 1050px;
    margin: auto;
    padding: 100px 30px 70px;
    text-align: center;
}

    .page-hero h1 {
        font-size: 56px;
        margin-bottom: 25px;
    }

    .page-hero p {
        font-size: 20px;
        line-height: 1.7;
        color: #555;
        text-align: justify;
        text-align-last: center;
        hyphens: auto;
    }


/* vAI concept */

.vai-concept {
    padding: 60px 20px;
    background: #fafafa;
}

.vai-symbol {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 35px;
}

.vai-block {
    display: flex;
    align-items: center;
    gap: 15px;
}

    .vai-block span {
        font-size: 48px;
        font-weight: 700;
    }

    .vai-block strong {
        font-size: 22px;
    }

.plus {
    font-size: 40px;
    color: #888;
}


/* Technology content */

.technology-content {
    max-width: 1000px;
    margin: auto;
    padding: 80px 30px;
}

.technology-item {
    margin-bottom: 60px;
}

    .technology-item h2 {
        font-size: 32px;
        margin-bottom: 15px;
    }

    .technology-item p {
        font-size: 18px;
        line-height: 1.7;
        color: #555;
    }

/* =========================================
   Features Page
   ========================================= */

.features-grid {
    max-width: 1100px;
    margin: auto;
    padding: 40px 30px 100px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}


.feature-card {
    padding: 35px;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    background: white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}


    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }


.feature-icon {
    font-size: 38px;
    height: 55px;
    display: flex;
    align-items: center;
    color: #333;
}


.feature-card h2 {
    font-size: 24px;
    margin: 20px 0 12px;
}


.feature-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    margin: 0;
}


/* Bottom section */

.features-bottom {
    padding: 100px 30px;
    background: #fafafa;
    text-align: center;
}


    .features-bottom h2 {
        font-size: 40px;
        margin-bottom: 15px;
    }


    .features-bottom > p {
        font-size: 19px;
        color: #666;
    }


/* Process */

.process {
    max-width: 1000px;
    margin: 60px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
}


    .process div:not(.process-arrow) {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }


    .process strong {
        font-size: 28px;
    }


    .process span {
        font-size: 15px;
        color: #555;
    }


.process-arrow {
    font-size: 28px;
    color: #999;
}

/* =========================================
   Applications Page
   ========================================= */

.applications-grid {
    max-width: 1100px;
    margin: auto;
    padding: 40px 30px 100px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}


.application-card {
    position: relative;
    padding: 40px;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    background: white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}


    .application-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }


.application-number {
    font-size: 14px;
    color: #888;
    margin-bottom: 25px;
    letter-spacing: 2px;
}


.application-card h2 {
    font-size: 28px;
    margin-bottom: 15px;
}


.application-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    margin-bottom: 25px;
}


/* Tags */

.application-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}


    .application-tags span {
        padding: 6px 12px;
        border-radius: 20px;
        background: #f3f3f3;
        color: #555;
        font-size: 13px;
    }


/* Bottom section */

.applications-bottom {
    padding: 100px 30px;
    background: #fafafa;
    text-align: center;
}


    .applications-bottom h2 {
        font-size: 40px;
        margin-bottom: 20px;
    }


    .applications-bottom p {
        max-width: 700px;
        margin: 0 auto 35px;
        font-size: 19px;
        line-height: 1.7;
        color: #666;
    }

/* =========================================
   Gallery Page
   ========================================= */

.gallery-grid {
    max-width: 1150px;
    margin: auto;
    padding: 40px 30px 100px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}


.gallery-card {
    overflow: hidden;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    background: white;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}


    .gallery-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }


.gallery-image {
    width: 100%;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f7f7f7;
    overflow: hidden;
}


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


.gallery-info {
    padding: 30px;
}


    .gallery-info h2 {
        font-size: 26px;
        margin: 0 0 12px;
    }


    .gallery-info p {
        font-size: 16px;
        line-height: 1.7;
        color: #666;
        margin-bottom: 20px;
    }


.gallery-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}


    .gallery-tags span {
        padding: 6px 12px;
        border-radius: 20px;
        background: #f3f3f3;
        color: #555;
        font-size: 13px;
    }


/* Bottom */

.gallery-bottom {
    padding: 100px 30px;
    background: #fafafa;
    text-align: center;
}


    .gallery-bottom h2 {
        font-size: 40px;
        margin-bottom: 20px;
    }


    .gallery-bottom p {
        max-width: 700px;
        margin: 0 auto 35px;
        font-size: 19px;
        line-height: 1.7;
        color: #666;
    }

/* =========================================
   HOME PAGE
   ========================================= */


/* Hero */

.home-hero {
    min-height: 650px;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 60px;
    padding: 70px 8%;
    background: #fafafa;
}


.home-hero-content {
    max-width: 650px;
}


.hero-label,
.section-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #888;
    margin-bottom: 18px;
}


.home-hero h1 {
    font-size: 76px;
    line-height: 1;
    margin: 0 0 15px;
    font-weight: 700;
}


.home-hero h2 {
    font-size: 32px;
    font-weight: 400;
    margin: 0 0 25px;
}


.home-hero p {
    font-size: 20px;
    line-height: 1.7;
    color: #555;
    margin: 0;
}


.home-hero-image {
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}


    .home-hero-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }


/* Introduction */

.home-intro {
    max-width: 850px;
    margin: auto;
    padding: 110px 30px;
    text-align: center;
}


    .home-intro h2 {
        font-size: 44px;
        margin: 0 0 25px;
    }


    .home-intro p {
        font-size: 19px;
        line-height: 1.8;
        color: #666;
    }


/* vAI section */

.vai-section {
    padding: 80px 30px;
    background: #f7f7f7;
}


.vai-section-inner {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: 30px;
    text-align: center;
}


.vai-part {
    min-height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}


.vai-symbol-large {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 15px;
}


.geometry-symbol {
    font-size: 48px;
}


.vai-part h3 {
    font-size: 22px;
    margin: 0 0 12px;
}


.vai-part p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}


.vai-operator {
    font-size: 35px;
    color: #999;
}


/* Definition */

.definition-section {
    max-width: 900px;
    margin: auto;
    padding: 110px 30px;
    text-align: center;
}


    .definition-section blockquote {
        margin: 0;
        font-size: 25px;
        line-height: 1.7;
        color: #444;
        font-weight: 300;
    }


/* Gallery */

.home-gallery {
    padding: 100px 8%;
    background: #fafafa;
}


.section-heading {
    max-width: 1150px;
    margin: 0 auto 40px;
    display: flex;
    justify-content: space-between;
    align-items: end;
}


    .section-heading h2 {
        font-size: 40px;
        margin: 0;
    }


    .section-heading a {
        color: #333;
        text-decoration: none;
        font-size: 15px;
    }


.home-gallery-grid {
    max-width: 1150px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}


.home-gallery-card {
    background: white;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}


    .home-gallery-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }


.home-gallery-image {
    height: 400px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}


    .home-gallery-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }


.home-gallery-caption {
    padding: 25px 30px;
}


    .home-gallery-caption h3 {
        font-size: 24px;
        margin: 0 0 10px;
    }


    .home-gallery-caption p {
        color: #666;
        line-height: 1.6;
        margin: 0;
    }


/* Feature section */

.home-features {
    max-width: 1100px;
    margin: auto;
    padding: 110px 30px;
}


    .home-features > h2 {
        max-width: 700px;
        font-size: 42px;
        margin: 0 0 60px;
    }


.home-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}


.home-feature {
    padding: 35px;
    border-top: 1px solid #ddd;
}


    .home-feature:nth-child(odd) {
        border-right: 1px solid #ddd;
    }


    .home-feature h3 {
        font-size: 24px;
        margin: 0 0 12px;
    }


    .home-feature p {
        color: #666;
        line-height: 1.7;
        margin: 0;
    }


/* Final CTA */

.home-cta {
    padding: 120px 30px;
    text-align: center;
    background: #f7f7f7;
}


    .home-cta h2 {
        font-size: 52px;
        line-height: 1.2;
        margin: 0 0 25px;
    }


    .home-cta p {
        font-size: 19px;
        color: #666;
        margin-bottom: 35px;
    }

/* =========================================
   CONTACT PAGE
   ========================================= */

.contact-hero {
    padding-bottom: 80px;
}


/* Contact section */

.contact-section {
    padding: 30px 30px 110px;
}


.contact-grid {
    max-width: 1050px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}


/* Contact information */

.contact-info h2 {
    font-size: 38px;
    line-height: 1.25;
    margin: 0 0 20px;
}


.contact-info > p {
    font-size: 17px;
    line-height: 1.7;
    color: #666;
    margin-bottom: 40px;
}


.contact-item {
    padding: 20px 0;
    border-top: 1px solid #e5e5e5;
    display: flex;
    flex-direction: column;
    gap: 7px;
}


.contact-item-label {
    font-size: 12px;
    letter-spacing: 1.5px;
    color: #888;
    text-transform: uppercase;
}


.contact-item a {
    color: #333;
    text-decoration: none;
    font-size: 17px;
}


    .contact-item a:hover {
        text-decoration: underline;
    }


/* Contact form */

.contact-form {
    padding: 40px;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    background: #fafafa;
}


    .contact-form h2 {
        font-size: 30px;
        margin: 0 0 30px;
    }


.form-group {
    margin-bottom: 20px;
}


    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-size: 14px;
        font-weight: 600;
    }


    .form-group input,
    .form-group textarea {
        width: 100%;
        box-sizing: border-box;
        padding: 13px 14px;
        border: 1px solid #d5d5d5;
        border-radius: 5px;
        background: white;
        font-family: inherit;
        font-size: 15px;
        outline: none;
    }


        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #888;
        }


    .form-group textarea {
        resize: vertical;
    }


.contact-submit {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 6px;
    background: #222;
    color: white;
    font-family: inherit;
    font-size: 15px;
    cursor: pointer;
}


    .contact-submit:hover {
        background: #444;
    }


/* Bottom section */

.contact-bottom {
    padding: 100px 30px;
    background: #f7f7f7;
    text-align: center;
}


    .contact-bottom h2 {
        font-size: 40px;
        margin: 0 0 20px;
    }


    .contact-bottom p {
        max-width: 650px;
        margin: 0 auto 35px;
        font-size: 19px;
        line-height: 1.7;
        color: #666;
    }