/* ============================================================
   CERTOTRACK PLATFORM PAGE
   ============================================================ */

/* ============================================================
   HERO
   ============================================================ */

.ct-hero {
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-white);
}

.ct-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .ct-hero__grid {
        grid-template-columns: 38fr 62fr;
        min-height: 520px;
    }
}

.ct-hero__left {
    display: flex;
    align-items: center;
    padding: var(--section-py-mobile) var(--container-px);
}

@media (min-width: 1024px) {
    .ct-hero__left {
        padding: 4rem 2.5rem 4rem 0;
        padding-left: max(var(--container-px), calc((100vw - var(--container-max)) / 2 + var(--container-px)));
    }
}

.ct-hero__content {
    width: 100%;
}

.ct-hero__heading {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-navy);
    margin-bottom: 0.875rem;
}

@media (min-width: 640px) {
    .ct-hero__heading { font-size: 2.375rem; }
}

@media (min-width: 1024px) {
    .ct-hero__heading { font-size: 2.625rem; }
}

.ct-hero__subhead {
    font-size: 0.9375rem;
    color: var(--color-text-sec);
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

/* ============================================================
   THREE PILLARS
   ============================================================ */

.ct-pillars {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
}

.ct-pillar__title {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.2rem;
}

.ct-pillar__desc {
    font-size: 0.8125rem;
    color: var(--color-text-sec);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================
   HERO VISUAL
   ============================================================ */

.ct-hero__visual {
    background-color: var(--color-light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}

@media (min-width: 1024px) {
    .ct-hero__visual {
        padding: 3rem 0 3rem 2rem;
        padding-right: max(var(--container-px), calc((100vw - var(--container-max)) / 2 + var(--container-px)));
        align-items: stretch;
    }
}

/* ============================================================
   DASHBOARD MOCKUP
   ============================================================ */

.ct-dashboard {
    width: 100%;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(13, 27, 53, 0.09), 0 1px 4px rgba(13, 27, 53, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Top bar */
.ct-dashboard__bar {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0 0.875rem;
    height: 38px;
    background-color: #F7F9FC;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.ct-dashboard__dots {
    display: flex;
    gap: 5px;
    flex-shrink: 0;
}

.ct-dashboard__dots span {
    display: block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-border);
}

.ct-dashboard__tabs {
    display: flex;
    gap: 0;
    flex: 1;
}

.ct-dashboard__tab {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    white-space: nowrap;
}

.ct-dashboard__tab--active {
    background-color: rgba(0, 87, 184, 0.08);
    color: var(--color-interactive);
    font-weight: 600;
}

.ct-dashboard__version {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background-color: var(--color-border);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    flex-shrink: 0;
}

/* Body: sidebar + graph + panel */
.ct-dashboard__body {
    display: grid;
    grid-template-columns: 130px 1fr 148px;
    flex: 1;
    min-height: 320px;
}

/* Sidebar */
.ct-dashboard__sidebar {
    border-right: 1px solid var(--color-border);
    background-color: #FAFBFD;
    overflow: hidden;
    padding-top: 0.625rem;
}

.ct-dashboard__nav-section {
    padding-bottom: 0.625rem;
}

.ct-dashboard__nav-section + .ct-dashboard__nav-section {
    border-top: 1px solid var(--color-border);
    padding-top: 0.625rem;
}

.ct-dashboard__nav-label {
    display: block;
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 0 0.625rem 0.3rem;
}

.ct-dashboard__nav-item {
    display: block;
    font-size: 0.6875rem;
    color: var(--color-text-sec);
    padding: 0.2rem 0.625rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: default;
}

.ct-dashboard__nav-item--active {
    color: var(--color-interactive);
    background-color: rgba(0, 87, 184, 0.07);
    font-weight: 600;
}

.ct-dashboard__nav-item--sub {
    padding-left: 1.125rem;
    font-size: 0.625rem;
    color: var(--color-text-muted);
}

/* Graph center */
.ct-dashboard__graph {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 0.75rem;
    border-right: 1px solid var(--color-border);
}

.ct-graph-svg {
    width: 100%;
    height: auto;
}

/* Requirements panel */
.ct-dashboard__panel {
    overflow: hidden;
    padding-top: 0.625rem;
}

.ct-dashboard__panel-head {
    display: block;
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: 0 0.625rem 0.4rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0.125rem;
}

.ct-dashboard__req-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.2rem;
    padding: 0.35rem 0.625rem;
    border-bottom: 1px solid rgba(221, 227, 237, 0.5);
}

.ct-dashboard__req-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.ct-dashboard__req-id {
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--color-navy);
    white-space: nowrap;
}

.ct-dashboard__req-desc {
    font-size: 0.5625rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ct-dashboard__req-badge {
    font-size: 0.5rem;
    font-weight: 600;
    padding: 0.1rem 0.3rem;
    border-radius: 2px;
    background-color: var(--color-light-bg);
    color: var(--color-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.ct-dashboard__req-badge--active {
    background-color: rgba(0, 87, 184, 0.08);
    color: var(--color-interactive);
}

/* ============================================================
   STATS SECTION
   ============================================================ */

.ct-stats-section {
    padding-block: 4rem;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
}

.ct-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 2rem;
}

@media (min-width: 640px) {
    .ct-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.ct-stat {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.ct-stat__number {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-navy);
    line-height: 1;
}

@media (min-width: 768px) {
    .ct-stat__number {
        font-size: 3.25rem;
    }
}

.ct-stat__label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}