:root {
    --dti-public-bg-soft: #f4f7fb;
    --dti-public-text-on-dark: #f7f9fc;
    --dti-public-text-muted-on-dark: rgba(247, 249, 252, 0.88);
    --dti-public-hero-badge-bg: rgba(8, 18, 34, 0.58);
    --dti-public-hero-badge-border: rgba(255, 255, 255, 0.45);
    --dti-public-hero-overlay: linear-gradient(100deg, rgba(12, 32, 64, 0.84) 0%, rgba(12, 32, 64, 0.68) 42%, rgba(12, 32, 64, 0.44) 100%);
    --dti-public-radius-lg: 16px;
    --dti-public-radius-pill: 9999px;
    --dti-public-card-border: 1px solid rgba(16, 77, 158, 0.12);
    --dti-public-card-shadow-hover: 0 14px 36px rgba(16, 77, 158, 0.16);
    --dti-public-cta-outline-bg: rgba(255, 255, 255, 0.12);
    --dti-public-cta-outline-border: rgba(255, 255, 255, 0.34);
    --dti-public-glass-bg: rgba(255, 255, 255, 0.12);
    --dti-public-glass-border: 1px solid rgba(255, 255, 255, 0.26);
    --dti-public-focus-ring: 0 0 0 3px rgba(241, 154, 59, 0.38);
}

/* Lightweight utility classes used by public components */
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.object-cover { object-fit: cover; }

/* Public layout + app bar */
.dti-public-appbar {
    border-bottom: 1px solid rgba(16, 77, 158, 0.08);
    backdrop-filter: blur(6px);
}

.dti-public-appbar-logo {
    height: 42px;
    display: block;
}

.dti-public-appbar-title {
    font-weight: 600;
    letter-spacing: 0.01em;
}

.dti-public-appbar-brand {
    min-width: 0;
    flex-shrink: 1;
}

.dti-public-main {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 64px);
}

.dti-public-main.dti-home-main {
    padding-top: 0 !important;
}

.dti-public-section-muted {
    background-color: var(--dti-public-bg-soft);
}

.dti-public-body-wrap {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.dti-section-header {
    max-width: 48rem;
    margin: 0 auto 2.5rem auto;
    text-align: center;
}

.dti-section-subtitle {
    color: var(--mud-palette-text-secondary);
    line-height: 1.55;
}

.dti-section-subtitle-light {
    color: rgba(247, 249, 252, 0.9);
    line-height: 1.55;
}

/* Public navigation */
.dti-public-nav {
    gap: 0.35rem;
}

.dti-public-nav-link {
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
    color: var(--mud-palette-text-primary);
}

.dti-public-nav-link.mud-button-root:hover {
    background: rgba(16, 77, 158, 0.08);
}

.dti-public-nav-link.active {
    color: var(--mud-palette-primary);
    background: rgba(16, 77, 158, 0.12);
}

.dti-public-portal-cta {
    border-radius: var(--dti-public-radius-pill);
    font-weight: 700;
    padding-left: 1rem;
    padding-right: 1rem;
}

.dti-public-portal-cta.mud-button-root:hover {
    transform: translateY(-1px);
}

.dti-public-menu-btn {
    border: 1px solid rgba(16, 77, 158, 0.24);
}

.dti-public-drawer .mud-drawer {
    border-left: 1px solid rgba(16, 77, 158, 0.12);
}

.dti-public-drawer .mud-navmenu {
    padding-top: 0.4rem;
    padding-left: 0.45rem;
    padding-right: 0.45rem;
}

.dti-public-drawer .mud-nav-link {
    border-radius: 10px;
    margin: 0.15rem 0;
}

/* Hero */
#home {
    overflow: hidden;
    min-height: 100vh;
}

#home .home-hero {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

#home .home-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--dti-public-hero-overlay);
}

.dti-hero-content {
    margin-top: 5rem;
    margin-bottom: 5rem;
}

.dti-hero-body {
    max-width: 50rem;
}

.dti-hero-badge {
    background-color: var(--dti-public-hero-badge-bg);
    color: var(--dti-public-text-on-dark);
    border: 1px solid var(--dti-public-hero-badge-border);
    border-radius: var(--dti-public-radius-pill);
}

.dti-hero-title {
    font-size: clamp(2.4rem, 5.2vw, 5rem);
    line-height: 1.03;
    color: var(--dti-public-text-on-dark);
}

.dti-hero-subtitle {
    max-width: 44rem;
    line-height: 1.45;
    color: var(--dti-public-text-muted-on-dark);
}

.dti-hero-outline-btn {
    background-color: var(--dti-public-cta-outline-bg);
    border-color: var(--dti-public-cta-outline-border);
    color: var(--dti-public-text-on-dark);
}

.dti-hero-outline-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.dti-hero-cta {
    min-height: 44px;
    border-radius: var(--dti-public-radius-pill);
    font-weight: 700;
}

#home .mud-typography-h1,
#home .mud-typography-h5,
#home .mud-typography-body2 {
    color: var(--dti-public-text-on-dark);
}


#services .mud-typography-h3,
#about .mud-typography-h3  {
    font-size: 3em; 
    font-weight: 600; 
    text-align:center;
}

#services .mud-typography-subtitle1,
#about .mud-typography-subtitle1{
    text-align: center; 
    color: var(--mud-palette-text-secondary) !important;
}

#services .mud-typography-h5 {
    color: var(--mud-palette-text-primary);
    font-weight: 600;
}
#services .mud-typography-body1,
#services .mud-typography-body2 {
    color: var(--mud-palette-text-secondary);
}

#services div.service-icon{
    background-color: var(--mud-palette-secondary);
    border-top-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
    border-bottom-right-radius: 0.75rem;
    border-bottom-left-radius: 0.75rem;
    left: 1rem;
    bottom: 1rem;
    position: absolute;
}

.service-card .service-image {
    transition: transform 1s ease-in-out;
}
.service-card:hover .service-image {
    transform: scale(1.05);
}

.service-card {
    border: var(--dti-public-card-border);
    border-radius: var(--dti-public-radius-lg);
    transition: transform 260ms ease, box-shadow 260ms ease;
    background: var(--mud-palette-surface);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--dti-public-card-shadow-hover);
}

.dti-service-media {
    height: 16rem;
    overflow: hidden;
}

.dti-service-title {
    line-height: 1.25;
}

.dti-service-link {
    font-weight: 700;
}

.dti-service-link.mud-button-root {
    opacity: 0.92;
}

.dti-service-link.mud-button-root:hover {
    opacity: 1;
    transform: translateX(1px);
}

.dti-credential-card {
    border: var(--dti-public-card-border);
    border-radius: var(--dti-public-radius-lg);
}

.dti-credential-card:hover .about-icon {
    transform: translateY(-2px);
}

#about div.about-icon{
    background-color: rgba(var(--mud-palette-primary-rgb), 0.1);
    width: 4rem; 
    height: 4rem; 
}

#about .mud-grid-item{
    text-align: center;
}

#about .mud-paper{
    align-items: center;
}

#about .mud-paper:hover{
    background-color: rgba(var(--mud-palette-primary-rgb), 0.07);
}
#about .mud-typography-h4{
    font-weight: 600;
}

#about div.about-addtional{
    background-color: rgba(var(--mud-palette-primary-rgb), 0.06);
}

#about .mud-typography-h6,
#about .mud-typography-body1{
    text-align: left;
}

#about .mud-typography-body2{
    color: var(--mud-palette-text-secondary);
}

#contact  .mud-typography-h3,
#contact .mud-typography-h5,
#contact 
div.contact-details{
    color: #fff !important;
    text-align: center;
}

#contact .mud-typography-h6 {
    color: #fff ;
}

#contact .mud-paper,
#contact .mud-paper a{
    color: #fff;
}

.dti-contact-section {
    background: linear-gradient(135deg, var(--mud-palette-primary) 0%, var(--mud-palette-primary-darken) 65%, #0c3e7a 100%);
}

.dti-contact-glass {
    background-color: var(--dti-public-glass-bg);
    backdrop-filter: blur(5px);
    border: var(--dti-public-glass-border);
}

.dti-contact-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--mud-palette-secondary);
    color: var(--mud-palette-secondary-text);
}

.dti-contact-link {
    color: #fff;
    font-weight: 600;
    text-decoration: none;
}

.dti-contact-link:hover {
    text-decoration: underline;
}

.dti-contact-cta-btn {
    border-radius: var(--dti-public-radius-pill);
    min-height: 46px;
    font-weight: 700;
}

.dti-footer-brand {
    font-weight: 800;
    letter-spacing: 0.01em;
}

.dti-footer-title {
    font-weight: 700;
}

.dti-footer {
    background: linear-gradient(to bottom, #f8fbff 0%, #f3f7fc 100%);
}

.dti-footer-description {
    color: var(--mud-palette-text-secondary);
    max-width: 25rem;
    line-height: 1.55;
}

.dti-footer-links {
    list-style: none;
    padding: 0;
}

.dti-footer-link {
    color: var(--mud-palette-text-secondary);
    text-decoration: none;
}

.dti-footer-link:hover {
    color: var(--mud-palette-primary);
    text-decoration: underline;
}

div.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio (height / width * 100) */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000; /* Optional: background color for the container */
}

div.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.online-training-section .course-card {
    border-radius: 18px !important;
    border: var(--dti-public-card-border);
    box-shadow: 0 6px 20px rgba(16, 77, 158, 0.08);
}

.online-training-section .course-card:hover {
    box-shadow: 0 14px 34px rgba(16, 77, 158, 0.16);
}

.online-training-section .category-filter-btn {
    border-radius: 999px !important;
    font-weight: 700;
}

.online-training-section .course-actions {
    gap: 0.65rem;
}

.online-training-section .course-btn {
    font-weight: 700 !important;
}

.online-training-section .price-pill {
    border: 1px solid rgba(var(--mud-palette-secondary-rgb), 0.25);
}

.online-training-section .popular-chip {
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

/* Keyboard focus parity on key interactive controls */
a:focus-visible,
button:focus-visible,
.mud-button-root:focus-visible,
.mud-nav-link:focus-visible,
.mud-icon-button:focus-visible {
    outline: none;
    box-shadow: var(--dti-public-focus-ring);
    border-radius: 10px;
}

@media (max-width: 959px) {
    .dti-public-appbar-title {
        font-size: 0.95rem;
    }
}

.request-summary-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
}

.request-summary-row-total {
    border-top: 1px solid var(--mud-palette-lines-default);
    margin-top: 6px;
    padding-top: 8px;
}

.request-step-intro {
    margin-top: 8px;
    margin-bottom: 8px;
    max-width: 70ch;
}

.request-action-bar {
    gap: 12px;
}

.request-action-bar-end {
    justify-content: flex-end;
}

.request-inline-link-button {
    padding-left: 0;
    padding-right: 0;
    text-transform: none;
}

.request-primary-cta {
    min-width: 210px;
}

.request-paypal-actions {
    gap: 12px;
}

.request-step-surface {
    border-color: var(--mud-palette-lines-default);
}

.request-status-card {
    border-radius: 10px;
    border-left-width: 4px !important;
}

.request-status-card.is-warning {
    border-left-color: var(--mud-palette-warning) !important;
    background: rgba(var(--mud-palette-warning-rgb), 0.04);
}

.request-status-card.is-success {
    border-left-color: var(--mud-palette-success) !important;
    background: rgba(var(--mud-palette-success-rgb), 0.04);
}

.request-status-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.request-status-title {
    font-weight: 600;
    line-height: 1.3;
}

.request-course-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.request-course-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.request-course-row:hover {
    background: rgba(var(--mud-palette-primary-rgb), 0.06);
}

.request-course-row.is-selected {
    background: rgba(var(--mud-palette-primary-rgb), 0.1);
}

.request-course-row-main {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.request-course-row-icon {
    flex-shrink: 0;
}

.request-course-row-name {
    white-space: normal;
    word-break: break-word;
}

.request-course-row-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex-shrink: 0;
    gap: 2px;
}

.portal-page-header {
    background: linear-gradient(130deg, #16365b 0%, #1a4a75 55%, #206088 100%);
    border-radius: 14px;
    padding: 1.5rem 1.75rem;
    box-shadow: 0 10px 24px rgba(15, 45, 76, 0.22);
    color: white;
}

.portal-page-header-title {
    color: white;
    font-weight: 700;
    margin: 0;
}

.portal-page-header-subtitle {
    color: rgba(255, 255, 255, 0.86);
    margin-top: 2px;
}

.portal-page-header-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.portal-page-header .mud-button-root {
    background: rgba(255, 255, 255, 0.92);
    color: #12395f;
    border: 1px solid rgba(255, 255, 255, 0.45);
}

.portal-card {
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-divider);
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(15, 45, 76, 0.08);
}

.portal-card-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.portal-card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 45, 76, 0.12);
}

.portal-kpi-card {
    background: var(--mud-palette-surface);
    border: 1px solid var(--mud-palette-divider);
    border-radius: 12px;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 3px 10px rgba(15, 45, 76, 0.07);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.portal-kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 45, 76, 0.12);
}

.portal-kpi-accent {
    height: 4px;
    width: 100%;
}

.portal-kpi-body {
    padding: 1rem 1.25rem 1.2rem;
}

.portal-kpi-label {
    font-weight: 700;
    letter-spacing: 0.07em;
    color: var(--mud-palette-text-secondary);
}

.portal-kpi-value {
    font-weight: 800;
    line-height: 1;
}

.portal-kpi-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.portal-filter-bar {
    border: 1px solid var(--mud-palette-divider);
    border-radius: 12px;
    background: var(--mud-palette-surface);
}

.portal-section-shell {
    border: 1px solid var(--mud-palette-divider);
    border-radius: 12px;
    background: var(--mud-palette-surface);
}

.portal-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.portal-section-title {
    font-weight: 700;
    margin: 0;
}

.portal-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0.6;
}

.portal-status-callout {
    border: 1px solid var(--mud-palette-divider);
    border-left: 4px solid var(--mud-palette-info);
    border-radius: 10px;
    background: color-mix(in srgb, var(--mud-palette-info) 7%, white);
}

.portal-status-callout.is-success {
    border-left-color: var(--mud-palette-success);
    background: color-mix(in srgb, var(--mud-palette-success) 7%, white);
}

.portal-status-callout.is-warning {
    border-left-color: var(--mud-palette-warning);
    background: color-mix(in srgb, var(--mud-palette-warning) 10%, white);
}

.company-request-stepper .mud-step-label-title,
.student-request-stepper .mud-step-label-title {
    line-height: 1.2;
}

.company-request-stepper .mud-stepper-actions,
.student-request-stepper .mud-stepper-actions {
    gap: 12px;
    padding-top: 8px;
}

@media (max-width: 900px) {
    .request-step-intro {
        max-width: 100%;
    }

    .dti-hero-content {
        margin-top: 4rem;
        margin-bottom: 4rem;
    }

    .dti-footer {
        text-align: left;
    }
}

@media (max-width: 599px) {
    .dti-public-appbar-logo {
        height: 36px;
    }

    .dti-public-appbar-title {
        font-size: 0.95rem;
        white-space: nowrap;
    }

    .dti-section-header {
        margin-bottom: 2rem;
    }

    .dti-hero-title {
        font-size: clamp(2rem, 9.5vw, 2.8rem);
    }

    .dti-hero-cta {
        width: 100%;
    }

    .company-request-stepper .mud-stepper-actions .mud-button-root,
    .student-request-stepper .mud-stepper-actions .mud-button-root {
        width: 100%;
    }

    .request-primary-cta {
        min-width: 0;
    }

    .portal-page-header {
        padding: 1.1rem 1rem;
    }

    .portal-page-header-title {
        font-size: 1.35rem;
    }

    .portal-page-header-actions .mud-button-root {
        width: 100%;
    }

    .portal-section-header {
        align-items: flex-start;
    }

    .request-status-header {
        align-items: flex-start;
    }

    .request-summary-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .request-summary-row-total {
        width: 100%;
    }

    .request-paypal-actions {
        flex-direction: column;
        align-items: stretch;
    }
}