:root {
    /* Brand */
    --ss-primary: #0f172a;
    --ss-primary-dark: #020617;
    --ss-accent: #2563eb;
    --ss-accent-hover: #1d4ed8;
    /* Text */
    --ss-text: #111827;
    --ss-text-secondary: #475569;
    --ss-text-muted: #64748b;
    /* Surfaces */
    --ss-background: #ffffff;
    --ss-background-soft: #f8fafc;
    --ss-background-dark: #020617;
    /* Borders */
    --ss-border: #e2e8f0;
    --ss-border-dark: #1e293b;
    /* Layout */
    --ss-content-width: 1200px;
    --ss-page-padding: 24px;
    /* Shape */
    --ss-radius-sm: 6px;
    --ss-radius-md: 8px;
    --ss-radius-lg: 12px;
    /* Shadows */
    --ss-shadow-sm: 0 1px 2px rgb(15 23 42 / 0.05);
    --ss-shadow-md: 0 4px 12px rgb(15 23 42 / 0.08);
    /* Motion */
    --ss-transition: 160ms ease;
}

/* --------------------------------------------------
   Global / Reset
   -------------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ss-text);
    background: var(--ss-background);
}

body {
    min-height: 100vh;
}

a {
    color: var(--ss-accent);
    text-decoration: none;
}

    a:hover {
        color: var(--ss-accent-hover);
    }

button {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

/* --------------------------------------------------
   Accessibility
   -------------------------------------------------- */

:focus-visible {
    outline: 2px solid var(--ss-accent);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* --------------------------------------------------
   Layout
   -------------------------------------------------- */

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

.ss-main {
    width: 100%;
    flex: 1;
}

.ss-container {
    width: 100%;
    max-width: var(--ss-content-width);
    margin: 0 auto;
    padding-right: var(--ss-page-padding);
    padding-left: var(--ss-page-padding);
}

/* --------------------------------------------------
   Typography
   -------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;
    color: var(--ss-primary);
    font-weight: 700;
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.05;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    line-height: 1.15;
}

h3 {
    font-size: 1.375rem;
    line-height: 1.3;
}

p {
    line-height: 1.7;
}

/* --------------------------------------------------
   Header
   -------------------------------------------------- */

.ss-header {
    width: 100%;
    background: var(--ss-background);
    border-bottom: 1px solid var(--ss-border);
}

.ss-header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.ss-brand {
    display: inline-flex;
    align-items: center;
    color: var(--ss-primary);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

    .ss-brand:hover {
        color: var(--ss-primary);
    }

.ss-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.ss-nav-link {
    color: var(--ss-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--ss-transition);
}

    .ss-nav-link:hover,
    .ss-nav-link.active {
        color: var(--ss-primary);
    }

.ss-mobile-menu-button {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    padding: 0;
    color: var(--ss-primary);
    background: transparent;
    border: 1px solid var(--ss-border);
    border-radius: var(--ss-radius-sm);
    cursor: pointer;
}

    .ss-mobile-menu-button span {
        position: absolute;
        left: 50%;
        width: 20px;
        height: 2px;
        background: currentColor;
        transform: translateX(-50%);
        transition: transform var(--ss-transition), opacity var(--ss-transition);
    }

        .ss-mobile-menu-button span:nth-child(1) {
            transform: translate(-50%, -7px);
        }

        .ss-mobile-menu-button span:nth-child(2) {
            transform: translate(-50%, 0);
        }

        .ss-mobile-menu-button span:nth-child(3) {
            transform: translate(-50%, 7px);
        }

    .ss-mobile-menu-button.open span:nth-child(1) {
        transform: translate(-50%, 0) rotate(45deg);
    }

    .ss-mobile-menu-button.open span:nth-child(2) {
        opacity: 0;
    }

    .ss-mobile-menu-button.open span:nth-child(3) {
        transform: translate(-50%, 0) rotate(-45deg);
    }

    .ss-mobile-menu-button:hover {
        background: var(--ss-background-soft);
    }

    .ss-mobile-menu-button:focus-visible {
        outline: 2px solid var(--ss-accent);
        outline-offset: 2px;
    }

.ss-mobile-nav {
    display: none;
}

.ss-mobile-nav-link {
    padding: 12px 4px;
    color: var(--ss-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

    .ss-mobile-nav-link:hover,
    .ss-mobile-nav-link.active {
        color: var(--ss-primary);
    }

.ss-mobile-nav-button {
    width: 100%;
    margin-top: 8px;
}

/* --------------------------------------------------
   Buttons
   -------------------------------------------------- */

.ss-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: var(--ss-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1;
    transition: background-color var(--ss-transition), border-color var(--ss-transition), color var(--ss-transition), transform var(--ss-transition);
}

    .ss-button:hover {
        transform: translateY(-1px);
    }

.ss-button-primary {
    color: #ffffff;
    background: var(--ss-accent);
    border: 1px solid var(--ss-accent);
}

    .ss-button-primary:hover {
        color: #ffffff;
        background: var(--ss-accent-hover);
        border-color: var(--ss-accent-hover);
    }

.ss-button-secondary {
    color: var(--ss-primary);
    background: var(--ss-background);
    border: 1px solid var(--ss-border);
}

    .ss-button-secondary:hover {
        color: var(--ss-primary);
        background: var(--ss-background-soft);
        border-color: #cbd5e1;
    }

/* --------------------------------------------------
   Hero
   -------------------------------------------------- */

.ss-hero {
    padding: 112px 0 120px;
    background: var(--ss-background);
}

.ss-hero-content {
    max-width: 850px;
}

.ss-eyebrow {
    margin-bottom: 20px;
    color: var(--ss-accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.ss-hero h1 {
    max-width: 850px;
    margin-bottom: 28px;
}

.ss-hero-description {
    max-width: 720px;
    margin-bottom: 36px;
    color: var(--ss-text-secondary);
    font-size: 1.15rem;
}

.ss-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* --------------------------------------------------
   Sections
   -------------------------------------------------- */

.ss-section {
    padding: 96px 0;
}

.ss-section-soft {
    background: var(--ss-background-soft);
}

.ss-section-dark {
    color: #ffffff;
    background: var(--ss-background-dark);
}

.ss-section-header {
    max-width: 720px;
    margin-bottom: 48px;
}

    .ss-section-header p {
        margin-bottom: 0;
        color: var(--ss-text-secondary);
    }

.ss-section-dark h2 {
    color: #ffffff;
}

.ss-section-dark .ss-eyebrow {
    color: #60a5fa;
}

.ss-section-dark .ss-section-header p {
    color: #cbd5e1;
}

/* --------------------------------------------------
   Cards
   -------------------------------------------------- */

.ss-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.ss-card {
    padding: 32px;
    background: var(--ss-background);
    border: 1px solid var(--ss-border);
    border-radius: var(--ss-radius-md);
    box-shadow: var(--ss-shadow-sm);
    transition: border-color var(--ss-transition), box-shadow var(--ss-transition), transform var(--ss-transition);
}

    .ss-card:hover {
        border-color: #cbd5e1;
        box-shadow: var(--ss-shadow-md);
        transform: translateY(-2px);
    }

.ss-card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ss-accent);
    background: #eff6ff;
    border: 1px solid #dbeafe;
    border-radius: var(--ss-radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.ss-card h3 {
    margin-bottom: 12px;
}

.ss-card p {
    margin: 0;
    color: var(--ss-text-secondary);
}

/* --------------------------------------------------
   Product spotlight
   -------------------------------------------------- */

.ss-product-card {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
    gap: 64px;
    align-items: center;
    padding: 48px;
    background: var(--ss-primary);
    border: 1px solid var(--ss-border-dark);
    border-radius: var(--ss-radius-lg);
    box-shadow: var(--ss-shadow-md);
}

.ss-product-content {
    max-width: 680px;
}

.ss-product-status {
    margin-bottom: 16px;
    color: #60a5fa;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.ss-product-content h3 {
    margin-bottom: 20px;
    color: #ffffff;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.2;
}

.ss-product-content p {
    margin-bottom: 28px;
    color: #cbd5e1;
    font-size: 1.05rem;
}

.ss-product-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

    .ss-product-capabilities span {
        padding: 7px 10px;
        color: #cbd5e1;
        background: #1e293b;
        border: 1px solid var(--ss-border-dark);
        border-radius: var(--ss-radius-sm);
        font-size: 0.8rem;
        font-weight: 600;
    }

.ss-product-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    padding: 32px;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: var(--ss-radius-md);
}

.ss-product-node {
    min-width: 140px;
    padding: 14px 20px;
    color: #cbd5e1;
    background: #1e293b;
    border: 1px solid #475569;
    border-radius: var(--ss-radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
}

.ss-product-node-primary {
    color: #ffffff;
    background: var(--ss-accent);
    border-color: var(--ss-accent);
}

.ss-product-line {
    width: 1px;
    height: 32px;
    background: #475569;
}

/* --------------------------------------------------
   Footer
   -------------------------------------------------- */

.ss-footer {
    color: #cbd5e1;
    background: var(--ss-background-dark);
    border-top: 1px solid var(--ss-border-dark);
}

.ss-footer-main {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr);
    gap: 64px;
    padding: 64px 0;
}

.ss-footer-brand .ss-brand {
    color: #ffffff;
}

    .ss-footer-brand .ss-brand:hover {
        color: #ffffff;
    }

.ss-footer-brand p {
    max-width: 420px;
    margin: 16px 0 0;
    color: #94a3b8;
    font-size: 0.95rem;
}

.ss-footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
}

    .ss-footer-links h3 {
        margin-bottom: 16px;
        color: #ffffff;
        font-size: 0.9rem;
        letter-spacing: 0;
    }

    .ss-footer-links a {
        display: block;
        margin-bottom: 10px;
        color: #94a3b8;
        font-size: 0.9rem;
        transition: color var(--ss-transition);
    }

        .ss-footer-links a:hover {
            color: #ffffff;
        }

.ss-footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 20px 0;
    border-top: 1px solid var(--ss-border-dark);
    color: #64748b;
    font-size: 0.8rem;
}

.ss-footer a:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}

.ss-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 24px;
}

.ss-footer-contact-label {
    color: #64748b;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ss-footer-contact a {
    color: #cbd5e1;
    font-size: 0.9rem;
    font-weight: 600;
}

    .ss-footer-contact a:hover {
        color: #ffffff;
    }

/* --------------------------------------------------
   Solutions page
   -------------------------------------------------- */

.ss-page-hero {
    padding: 96px 0 88px;
    background: var(--ss-background);
}

    .ss-page-hero .ss-section-header {
        margin-bottom: 0;
    }

    .ss-page-hero h1 {
        max-width: 850px;
        margin-bottom: 24px;
    }

    .ss-page-hero .ss-section-header p {
        max-width: 720px;
        font-size: 1.1rem;
    }

.ss-solution-list {
    display: flex;
    flex-direction: column;
}

.ss-solution {
    display: grid;
    grid-template-columns: 80px minmax(0, 720px);
    gap: 40px;
    padding: 64px 0;
    border-bottom: 1px solid var(--ss-border);
    scroll-margin-top: 88px;
}

    .ss-solution:first-child {
        padding-top: 0;
    }

    .ss-solution:last-child {
        padding-bottom: 0;
        border-bottom: 0;
    }

.ss-solution-number {
    color: var(--ss-accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.ss-solution h2 {
    margin-bottom: 20px;
}

.ss-solution p {
    margin-bottom: 24px;
    color: var(--ss-text-secondary);
    font-size: 1.05rem;
}

.ss-solution-list-items {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 32px;
    margin: 0;
    padding: 0;
    list-style: none;
}

    .ss-solution-list-items li {
        position: relative;
        padding-left: 18px;
        color: var(--ss-text-secondary);
        font-size: 0.95rem;
    }

        .ss-solution-list-items li::before {
            content: "";
            position: absolute;
            top: 0.65em;
            left: 0;
            width: 6px;
            height: 6px;
            background: var(--ss-accent);
            border-radius: 50%;
        }

/* --------------------------------------------------
   Product page
   -------------------------------------------------- */

.ss-product-principles {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--ss-border-dark);
    border: 1px solid var(--ss-border-dark);
}

.ss-product-principle {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 140px;
    padding: 28px;
    background: var(--ss-background-dark);
}

    .ss-product-principle strong {
        color: #ffffff;
        font-size: 1rem;
    }

    .ss-product-principle span {
        color: #94a3b8;
        font-size: 0.9rem;
        line-height: 1.6;
    }

/* --------------------------------------------------
   About page
   -------------------------------------------------- */

.ss-about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 80px;
    align-items: start;
}

    .ss-about-grid h2 {
        margin-bottom: 0;
    }

.ss-about-content {
    max-width: 680px;
}

    .ss-about-content p {
        margin-top: 0;
        margin-bottom: 24px;
        color: var(--ss-text-secondary);
        font-size: 1.05rem;
    }

        .ss-about-content p:last-of-type {
            margin-bottom: 32px;
        }

.ss-about-grid-dark h2 {
    color: #ffffff;
}

.ss-about-grid-dark .ss-about-content p {
    color: #cbd5e1;
}

/* --------------------------------------------------
   Contact page
   -------------------------------------------------- */

.ss-contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 80px;
    align-items: start;
}

.ss-contact-information {
    max-width: 520px;
}

    .ss-contact-information h2 {
        margin-bottom: 20px;
    }

    .ss-contact-information > p {
        margin-bottom: 40px;
        color: var(--ss-text-secondary);
        font-size: 1.05rem;
    }

.ss-contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ss-contact-detail {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--ss-border);
    color: var(--ss-text-secondary);
    font-size: 0.95rem;
}

    .ss-contact-detail a {
        font-weight: 600;
    }

.ss-contact-label {
    color: var(--ss-primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ss-contact-form-wrapper {
    padding: 40px;
    background: var(--ss-background);
    border: 1px solid var(--ss-border);
    border-radius: var(--ss-radius-md);
    box-shadow: var(--ss-shadow-sm);
}

.ss-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ss-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

    .ss-form-group label {
        color: var(--ss-primary);
        font-size: 0.9rem;
        font-weight: 600;
    }

    .ss-form-group input,
    .ss-form-group select,
    .ss-form-group textarea {
        width: 100%;
        padding: 12px 14px;
        color: var(--ss-text);
        background: var(--ss-background);
        border: 1px solid var(--ss-border);
        border-radius: var(--ss-radius-sm);
        font: inherit;
        transition: border-color var(--ss-transition), box-shadow var(--ss-transition);
    }

    .ss-form-group input,
    .ss-form-group select {
        min-height: 46px;
    }

    .ss-form-group textarea {
        min-height: 140px;
        resize: vertical;
    }

        .ss-form-group input:focus,
        .ss-form-group select:focus,
        .ss-form-group textarea:focus {
            outline: none;
            border-color: var(--ss-accent);
            box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
        }

        .ss-form-group input::placeholder,
        .ss-form-group textarea::placeholder {
            color: var(--ss-text-muted);
        }


.validation-message {
    margin-top: 6px;
    color: #b91c1c;
    font-size: 0.85rem;
}

.ss-contact-form .ss-button {
    align-self: flex-start;
    margin-top: 8px;
}

.ss-form-success {
    margin-bottom: 24px;
    padding: 14px 16px;
    color: #166534;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--ss-radius-sm);
}

/* --------------------------------------------------
   Responsive
   -------------------------------------------------- */

@media (max-width: 768px) {
    :root {
        --ss-page-padding: 20px;
    }

    .ss-header-inner {
        min-height: 64px;
    }

    .ss-nav {
        display: none;
    }

    .ss-mobile-menu-button {
        display: block;
    }

    .ss-mobile-nav {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: 12px var(--ss-page-padding) 20px;
        background: var(--ss-background);
        border-bottom: 1px solid var(--ss-border);
    }

    .ss-hero {
        padding: 80px 0 88px;
    }

    .ss-section {
        padding: 72px 0;
    }

    .ss-card-grid {
        grid-template-columns: 1fr;
    }

    .ss-product-card {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 32px;
    }

    .ss-product-visual {
        min-height: 240px;
    }

    .ss-footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 48px 0;
    }

    .ss-footer-bottom {
        flex-direction: column;
        gap: 8px;
    }

    .ss-page-hero {
        padding: 72px 0 64px;
    }

    .ss-solution {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 48px 0;
    }

    .ss-solution-list-items {
        grid-template-columns: 1fr;
    }

    .ss-product-principles {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ss-about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .ss-contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .ss-contact-form-wrapper {
        padding: 32px;
    }
}

@media (max-width: 480px) {
    .ss-hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .ss-button {
        width: 100%;
    }

    .ss-product-card {
        padding: 24px;
    }

    .ss-product-principles {
        grid-template-columns: 1fr;
    }

    .ss-contact-form-wrapper {
        padding: 24px;
    }

    .ss-contact-form .ss-button {
        align-self: stretch;
    }
}

/* --------------------------------------------------
   Blazor error UI
   -------------------------------------------------- */

#blazor-error-ui {
    display: none;
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    padding: 0.6rem 1.25rem 0.7rem;
    color: #ffffff;
    background: #b91c1c;
    box-shadow: 0 -1px 4px rgb(0 0 0 / 0.2);
}

    #blazor-error-ui .dismiss {
        position: absolute;
        top: 0.5rem;
        right: 0.75rem;
        cursor: pointer;
    }